CN102882170A - Method for processing waterproof bus duct - Google Patents
Method for processing waterproof bus duct Download PDFInfo
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- CN102882170A CN102882170A CN2012103773712A CN201210377371A CN102882170A CN 102882170 A CN102882170 A CN 102882170A CN 2012103773712 A CN2012103773712 A CN 2012103773712A CN 201210377371 A CN201210377371 A CN 201210377371A CN 102882170 A CN102882170 A CN 102882170A
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- bus duct
- water proof
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Abstract
The invention provides a method for processing a waterproof bus duct. Fibers dipped with insulating resins and a conductor are synchronously fed into a pultrusion device to be heated and cured together, so that the fibers are evenly covered on the peripheral surface of the conductor, and then material collecting and processing are performed according to specific requirements. By means of the processing method, operation is convenient, further the conductor is integrated with the insulating materials through a pultrusion process in curing mode, the insulating materials are compact, insulating performance of the insulating materials is improved, and further, safety and strength of the bus duct are greatly improved.
Description
Technical field
The present invention relates to a kind of processing method of bus duct, belong to the technical field of electrical device processing.
Background technology
Along with emerging in large numbers of modernization project facility and equipment, the power consumption of all trades and professions is fast to be increased, the appearance in especially numerous skyscrapers and large-sized workshop workshop, traditional cable as transmission pressure can not meet the demands in large electric current conveying system, the parallel connection of multiway cable is used to on-the-spot installation connection and has been brought inconvenience, and bus duct arises at the historic moment as a kind of novel distribution wire.Bus duct is comprised of conductor, housing usually, can pass through air insulation between the described conductor, also can insulate by fill insulant, in case bus duct generation phase fault, but because the bus duct operational environment is relatively poor, moisture is heavier, make insulating material damaged, thereby, cause the bus duct phase fault, bring to a certain degree potential safety hazard for the use of bus duct.
In order to provide a kind of security performance good water proof bus bar slot, Chinese patent literature discloses a kind of bus duct, the patent No. is " CN201010122592.6 ", patent name is " a kind of high-voltage resistant waterproof bus duct for wind power/nuclear power/water power and manufacture method thereof ", the disclosed bus duct of the document comprises conductor, coated insulation compound resin around the conductor, and conductor and the insulated composite resin of this bus duct are solidified into one, thereby, the fail safe that has greatly improved bus duct.But this bus duct adds the easy bubble that produces in the insulated composite resin in man-hour, reduces the packing between the compound resin molecule, makes to produce the gap between the compound resin, has reduced the insulating properties between the conductor, thereby, greatly affected the fail safe of bus duct.
Summary of the invention
Technical problem to be solved by this invention provides a kind of processing method of water proof bus bar slot, this processing method is easy to operate, in addition, the method is solidified into one with conductor and insulating material by pultrude process, make insulating material more closely knit, improve the insulation property of insulating material, thereby, fail safe and the intensity of bus duct greatly improved.
In order to solve the problems of the technologies described above, the processing method of a kind of water proof bus bar slot of the present invention comprises the steps:
A, fiber sent in the insulating resin floods,
B, the fiber of conductor and varnished insulation resin sent into to be heating and curing in the extruding equipment synchronously be integrally formed the bus duct semi-finished product, make the fiber uniform fold on described conductor outer peripheral face;
C, rewinding.
The processing method of above-mentioned water proof bus bar slot, wherein, when flooding in the described steps A, the walking speed of fiber was less than 90000mm/ minute.
The processing method of above-mentioned water proof bus bar slot, wherein, among the described step B, the walking speed of conductor and fiber is all less than 90000mm/ minute, and during curing, temperature is the 60-190 degree.
The processing method of above-mentioned water proof bus bar slot, wherein, among described steps A and the step B the preferred 300mm/ of walking speed of fiber and conductor minute.
The processing method of above-mentioned water proof bus bar slot, wherein, described insulating resin is unsaturated polyester resin, epoxy resin, phenolic resins, polyurethane resin or vinylite.
The processing method of above-mentioned water proof bus bar slot, wherein, described fiber is Non-twisting glass fibre rove, glass mat, polyester fibre surface felt, glass fiber tape, two-dimensional fabric or three dimensional fabric.
Beneficial effect of the present invention:
The present invention is solidified into one by pultrusion molding process and conductor after with the fiber impregnation insulating resin, because insulating resin is through pultrusion, the bubble of insulating resin inside is removed, make insulating resin more closely knit, avoid producing the gap between the insulating resin, add the insulation property of fiber itself, improved the insulating properties of insulating resin, thereby, the fail safe that has greatly improved bus duct; And because insulating resin inside is provided with fiber, the intensity of insulating resin is strengthened, and avoid the insulating resin longitudinal stress and damage, not only significantly improved the bulk strength of bus duct, and further improved water resistance of the present invention.
Embodiment
The invention will be further described below in conjunction with specific embodiment.
In order to solve the problems of the technologies described above, the processing method of a kind of water proof bus bar slot of the present invention comprises the steps:
A, with fiber under the traction of draft apparatus, send in the insulating resin and flood, fiber is infiltrated; The viscosity of insulating resin is less than 5000Pa.s, and the walking speed of fiber was less than 9000mm/ minute; Preferred walking speed is 300mm/ minute, described insulating resin is unsaturated polyester resin, epoxy resin, phenolic resins, polyurethane resin or vinylite, and described fiber is Non-twisting glass fibre rove, glass mat, polyester fibre surface felt, glass fiber tape, two-dimensional fabric or three dimensional fabric.
B, the fiber of conductor and varnished insulation resin sent into to be heating and curing in the extruding equipment synchronously be integrally formed the bus duct semi-finished product, make the fiber uniform fold on described conductor outer peripheral face; The walking speed of conductor and fiber is all less than 9000mm/ minute, and curing temperature is the 60-190 degree;
C, rewinding are processed to form bus duct with the bus duct semi-finished product after solidifying according to designing requirement.
Embodiment one
The Non-twisting glass fibre rove under the traction of draft apparatus, is sent in the unsaturated polyester resin that viscosity is 500Pa.s and flooded, the Non-twisting glass fibre rove is infiltrated, the walking speed of Non-twisting glass fibre rove is 500mm/ minute; Again the Non-twisting glass fibre rove of conductor such as copper bar and epoxy resin-impregnated is sent into to be heating and curing in the extruding equipment synchronously and be integrally formed the bus duct semi-finished product, make Non-twisting glass fibre rove uniform fold on described conductor outer peripheral face; The walking speed of conductor and Non-twisting glass fibre rove is 500mm/ minute, during curing, temperature with 60 degree preheats first, carry out precuring with the temperature of 90 degree again, under the condition that is 120 degree, be cured again, rewinding is processed to form bus duct with the bus duct semi-finished product after solidifying according to designing requirement.
Embodiment two
Under the traction of draft apparatus, sending into viscosity is to flood in the 1200Pa.s liquid-state epoxy resin with glass mat, and glass mat is infiltrated, and the walking speed of glass mat is 300mm/ minute; Again conductor and glass mat are sent into to be heating and curing in the extruding equipment synchronously and be integrally formed the bus duct semi-finished product, make the glass mat uniform fold on described conductor outer peripheral face; The walking speed of conductor and glass mat is 300mm/ minute, during curing, temperature with 100 degree preheats first, carry out precuring with the temperature of 130 degree again, under the condition that is 160 degree, be cured again, rewinding is processed to form bus duct with the bus duct semi-finished product after solidifying according to designing requirement.
Embodiment three
The polyester fibre surface felt under the traction of draft apparatus, is sent into viscosity and is in the liquid ethylene base resin of 2000Pa.s and flood, the polyester fibre surface felt is infiltrated, the walking speed of polyester fibre surface felt is 1000mm/ minute; Again the polyester fibre surface felt of conductor and dipping vinylite is sent into synchronously to be heating and curing in the extruding equipment and is integrally formed the bus duct semi-finished product, make polyester fibre surface felt uniform fold on described conductor outer peripheral face; The walking speed of conductor and polyester fibre surface felt is 1000mm/ minute, temperature with 70 degree preheats first, carry out precuring with the temperature of 100 degree again, under the condition that is 150 degree, be cured again, rewinding is processed to form bus duct with the bus duct semi-finished product after solidifying according to designing requirement.
Embodiment four
Glass fiber tape under the traction of draft apparatus, is sent in the liquid phenolic resin that viscosity is 2000Pa.s and flooded, glass fiber tape is infiltrated, the walking speed of glass fiber tape is 3000mm/ minute; Again the glass fiber tape of conductor and impregnated phenolic resin is sent into to be heating and curing in the extruding equipment synchronously and be integrally formed the bus duct semi-finished product, make the glass fiber tape uniform fold on described conductor outer peripheral face; The walking speed of conductor and glass fiber tape is 5000mm/ minute, temperature with 60 degree preheats first, carries out precuring with the temperature of 100 degree again, is cured under the condition that is 190 degree again, rewinding is processed to form bus duct with the bus duct semi-finished product after solidifying according to designing requirement.
Embodiment five
Two-dimensional fabric or three dimensional fabric under the traction of draft apparatus, are sent in the liquid phenolic resin that viscosity is 4000Pa.s and flooded, two-dimensional fabric or three dimensional fabric are infiltrated, the walking speed of two-dimensional fabric or three dimensional fabric is 5000mm/ minute; Again conductor and two-dimensional fabric or three dimensional fabric are sent into to be heating and curing in the extruding equipment synchronously and be integrally formed the bus duct semi-finished product, make two-dimensional fabric or three dimensional fabric uniform fold on described conductor outer peripheral face; The walking speed of conductor and two-dimensional fabric or three dimensional fabric is 5000mm/ minute, temperature with 85 degree preheats first, carry out precuring with the temperature of 120 degree again, under the condition that is 150 degree, be cured again, rewinding is processed to form bus duct with the bus duct semi-finished product after solidifying according to designing requirement.
Embodiment six
The polyester fibre surface felt under the traction of draft apparatus, is sent into viscosity and is in the liquid ethylene base resin of 5000Pa.s and flood, the polyester fibre surface felt is infiltrated, the walking speed of polyester fibre surface felt is 7000mm/ minute; Again the polyester fibre surface felt of conductor and dipping vinylite is sent into synchronously to be heating and curing in the extruding equipment and is integrally formed the bus duct semi-finished product, make polyester fibre surface felt uniform fold on described conductor outer peripheral face; The walking speed of conductor and polyester fibre surface felt is 7000mm/ minute, temperature with 90 degree preheats first, carry out precuring with the temperature of 120 degree again, under the condition that is 150 degree, be cured again, rewinding is processed to form bus duct with the bus duct semi-finished product after solidifying according to designing requirement.
Claims (6)
1. the processing method of a water proof bus bar slot is characterized in that, comprises the steps:
A, fiber sent in the insulating resin floods,
B, the fiber of conductor and varnished insulation resin sent into to be heating and curing in the extruding equipment synchronously be integrally formed the bus duct semi-finished product, make the fiber uniform fold on described conductor outer peripheral face;
C, rewinding.
2. the processing method of water proof bus bar slot as claimed in claim 1 is characterized in that, when flooding in the described steps A, the walking speed of fiber was less than 90000mm/ minute.
3. the processing method of water proof bus bar slot as claimed in claim 1 is characterized in that, among the described step B, the walking speed of conductor and fiber is all less than 90000mm/ minute, and during curing, temperature is the 60-190 degree.
4. the processing method of water proof bus bar slot as claimed in claim 2 or claim 3 is characterized in that, among described steps A and the step B the preferred 300mm/ of walking speed of fiber and conductor minute.
5. the processing method of water proof bus bar slot as claimed in claim 1 is characterized in that, described insulating resin is unsaturated polyester resin, epoxy resin, phenolic resins, polyurethane resin or vinylite.
6. the processing method of water proof bus bar slot as claimed in claim 1 is characterized in that, described fiber is Non-twisting glass fibre rove, glass mat, polyester fibre surface felt, glass fiber tape, two-dimensional fabric or three dimensional fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210377371.2A CN102882170B (en) | 2012-10-08 | 2012-10-08 | A kind of processing method of water proof bus bar slot |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210377371.2A CN102882170B (en) | 2012-10-08 | 2012-10-08 | A kind of processing method of water proof bus bar slot |
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| Publication Number | Publication Date |
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| CN102882170A true CN102882170A (en) | 2013-01-16 |
| CN102882170B CN102882170B (en) | 2016-04-13 |
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| CN201210377371.2A Active CN102882170B (en) | 2012-10-08 | 2012-10-08 | A kind of processing method of water proof bus bar slot |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106384984A (en) * | 2016-11-14 | 2017-02-08 | 江苏华太智能电控设备有限公司 | Processing method of anti-corrosion bus duct |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0274707A2 (en) * | 1987-01-02 | 1988-07-20 | Ppg Industries, Inc. | Electrostatic coating of pultruded articles |
| CN101794976A (en) * | 2010-03-12 | 2010-08-04 | 扬中市江城电器设备有限公司 | High-voltage resistant waterproof bus duct for wind power/nuclear power/water power and manufacturing method thereof |
| CN101872662A (en) * | 2010-06-11 | 2010-10-27 | 浙江科成电气有限公司 | Manufacturing method of capacitance type high-voltage isolated bus |
| CN201708497U (en) * | 2010-06-23 | 2011-01-12 | 王刚 | Carbon fiber and glass fiber mixed pultrusion cable trough |
| CN102463678A (en) * | 2010-11-10 | 2012-05-23 | 江苏源盛复合材料技术股份有限公司 | Production technology of cable support |
-
2012
- 2012-10-08 CN CN201210377371.2A patent/CN102882170B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0274707A2 (en) * | 1987-01-02 | 1988-07-20 | Ppg Industries, Inc. | Electrostatic coating of pultruded articles |
| CN101794976A (en) * | 2010-03-12 | 2010-08-04 | 扬中市江城电器设备有限公司 | High-voltage resistant waterproof bus duct for wind power/nuclear power/water power and manufacturing method thereof |
| CN101872662A (en) * | 2010-06-11 | 2010-10-27 | 浙江科成电气有限公司 | Manufacturing method of capacitance type high-voltage isolated bus |
| CN201708497U (en) * | 2010-06-23 | 2011-01-12 | 王刚 | Carbon fiber and glass fiber mixed pultrusion cable trough |
| CN102463678A (en) * | 2010-11-10 | 2012-05-23 | 江苏源盛复合材料技术股份有限公司 | Production technology of cable support |
Non-Patent Citations (1)
| Title |
|---|
| 黄克均等: "拉挤成型工艺及应用", 《工程塑料应用》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106384984A (en) * | 2016-11-14 | 2017-02-08 | 江苏华太智能电控设备有限公司 | Processing method of anti-corrosion bus duct |
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| CN102882170B (en) | 2016-04-13 |
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Application publication date: 20130116 Assignee: Center for technology transfer Jiangsu University of Science and Technology Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY Contract record no.: X2021980006173 Denomination of invention: A processing method of waterproof bus duct Granted publication date: 20160413 License type: Common License Record date: 20210714 |
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Assignee: Center for technology transfer Jiangsu University of Science and Technology Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY Contract record no.: X2021980006173 Date of cancellation: 20210826 |
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