CN103944079B - Public change case - Google Patents
Public change case Download PDFInfo
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- CN103944079B CN103944079B CN201410158083.7A CN201410158083A CN103944079B CN 103944079 B CN103944079 B CN 103944079B CN 201410158083 A CN201410158083 A CN 201410158083A CN 103944079 B CN103944079 B CN 103944079B
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- seal cover
- insulation board
- antioxidant
- case
- casing
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Abstract
The invention discloses a kind of public change case, comprise case top (1) and casing (2); Described case top (1) is arranged on described casing (2); The sidewall of described casing (2) is provided with insulation board (3); Described insulation board (3) is provided with the through hole (3.1) that multiple power supply source line passes; Each through hole (3.1) is equipped with seal cover (4), described seal cover is connected by sealant sealing with insulation board; The middle part of described seal cover (4) is provided with the cross crotch (4.1) that power supply source line passes; Wherein: described seal cover is made up of the raw material of following parts by weight: thermoplastic polyurethane 30-50 part polyvinyl alcohol 15-25 part polypropylene 15-25 part polyaniline 5-10 part initator 0.2-0.8 part glycerine 10-15 part antioxidant 0.8-1.5 part carbon black 1.8 ~ 2.6 parts.These public affairs become case water proof and dust proof, and good permeability, ageing-resistant, antistatic property good, good seal performance.
Description
Technical field
The present invention relates to a kind of power equipment, particularly a kind of public change case.
Background technology
There are two kinds of service message forms in resident's service message: one is public change, another kind is special change.What is called is public becomes the abbreviation referring to on-site circuit, transformer, all installed by power supply administration to the ammeter of each household, safeguard, manage.The public case that becomes generally is arranged on outdoor, the parts such as user installation and protection transformer.The public case that becomes comprises case top and casing, and described case top is arranged on described casing.Described casing is provided with incoming line and line outlet, and external cable stretches into from incoming line, is connected with the device in casing, and internal wire stretches out from line outlet and is connected with external equipment.The incoming line place of the public affairs change case of prior art is not generally provided with extra sealing device, is difficult to the invasion and attack effectively avoiding rainwater and dust, the impact public life-span becoming case.
Summary of the invention
Technical problem to be solved by this invention is, provide a kind of can water proof and dust proof, good permeability, ageing-resistant, antistatic property good, the public affairs of good seal performance become case.
For solving the problems of the technologies described above, the invention provides a kind of public change case, comprising case top and casing; Described case top is arranged on described casing; The sidewall of described casing is provided with insulation board; Described insulation board is provided with the through hole that multiple power supply source line passes; Each through hole is equipped with seal cover, and described seal cover is connected by sealant sealing with insulation board; The middle part of described seal cover is provided with the cross crotch that power supply source line passes; Wherein: described seal cover is made up of the raw material of following parts by weight: thermoplastic polyurethane 30-50 part polyvinyl alcohol 15-25 part polypropylene 15-25 part polyaniline 5-10 part initator 0.2-0.8 part glycerine 10-15 part antioxidant 0.8-1.5 part carbon black 1.8-2.6 part.
After adopting above structure, the sidewall of casing of the present invention is provided with insulation board; Insulation board is provided with the through hole that multiple power supply source line passes; Each through hole is equipped with seal cover, and seal cover is connected by sealant sealing with insulation board; The middle part of seal cover is provided with the cross crotch that power supply source line passes; Thermoplastic polyurethane elastic is good, tough and ageing-resistant; Polypropylene has good thermal endurance, higher dielectric coefficient, and chemical stability is also fine; Thermoplastic polyurethane, polyvinyl alcohol, polyacrylic blend, add antioxidant, glycerine and carbon black, greatly strengthen the water proofing property of seal cover, gas permeability, temperature tolerance, resistance to ag(e)ing, corrosion resistance, and owing to adding initator, the antistatic property of seal cover is also fine.
Another object of the present invention is to provide these public affairs to become case preparation method, and the method comprises the following steps:
1) after matching well get raw material by above-mentioned formula, polyurethane, polyvinyl alcohol, polypropylene, polyaniline, glycerine are mixed in high-speed mixer and adds initator again, 30-40 DEG C of reaction 10-12 hour under inert gas shielding;
2) then add antioxidant and carbon black, mix, and above-mentioned compound is placed in 60 ~ 80 DEG C of dry 1-3h of baking oven;
3) above-mentioned compound is injected metal die, static pressure sizing 20-40 minute under temperature is 60-90 DEG C of condition;
4) sent in high temperature sintering furnace by above-mentioned metal die, sintering temperature controls at 190-280 DEG C, and sintering time is 2-3 hour, and after sintering, metal die is cooled to room temperature in vacuum equipment, is about 10-15 hour obtained seal cover cooling time;
5) periphery of above-mentioned seal cover is tightly connected by fluid sealant and insulation board.
The present invention has the following advantages:
1) periphery of seal cover is tightly connected by fluid sealant and insulation board by the present invention, improves public to become the discharging water of case, the performance such as dust-proof.
2) the present invention substantially improves the public water proofing property, gas permeability, temperature tolerance, resistance to ag(e)ing, the corrosion resistance that become the seal cover of case, and the antistatic property of seal cover is also fine.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram that inlet wire of the present invention public affairs easy to connect become case.
Shown in Fig. 1: 1, case top, 2, casing, the 2.1, second incoming line, 3, insulation board, 3.1, through hole, 4, serum cap, 4.1, cross crotch.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in more detail.
Refer to shown in Fig. 1, a kind of public change case, comprises case top 1 and casing 2; Described case top 1 is arranged on described casing 2; The sidewall of described casing 2 is provided with insulation board 3; Described insulation board 3 is provided with the through hole 3.1 that multiple power supply source line passes; Each through hole 3.1 is equipped with seal cover 4, and described seal cover is connected by sealant sealing with insulation board; The middle part of described seal cover 4 is provided with the cross crotch 4.1 that power supply source line passes; Wherein: described seal cover is made up of the raw material of following parts by weight: thermoplastic polyurethane 30-50 part polyvinyl alcohol 15-25 part polypropylene 15-25 part polyaniline 5-10 part initator 0.2-0.8 part glycerine 10-15 part antioxidant 0.8-1.5 part carbon black 1.8 ~ 2.6 parts.
Embodiment 1
Thermoplastic polyurethane 30 parts of polyvinyl alcohol 15 parts of polypropylene 15 parts of polyanilines 5 parts of initiator A PS0.2 part glycerine 10 parts of antioxidant B2250.8 part carbon blacks 1.8 parts.
Preparation method comprises the following steps:
1) after matching well get raw material according to above-mentioned formula, polyurethane, polyvinyl alcohol, polypropylene, polyaniline, glycerine are mixed in high-speed mixer and adds initiator A PS again, 30 DEG C of reactions 10 hours under inert gas shielding;
2) then add antioxidant B225 and carbon black, mix, and above-mentioned compound is placed in 60 DEG C of dry 3h of baking oven;
3) above-mentioned compound is injected metal die, under temperature is 60 DEG C of conditions, static pressure is shaped 20 minutes;
4) sent in high temperature sintering furnace by above-mentioned metal die, sintering temperature controls at 190 DEG C, and sintering time is 2 hours, after sintering, and metal die is cooled to room temperature in vacuum equipment, is about 10 hours obtained seal covers cooling time;
5) periphery of above-mentioned seal cover is tightly connected by fluid sealant and insulation board.
Embodiment 2
Thermoplastic polyurethane 40 parts of polyvinyl alcohol 20 parts of polypropylene 20 parts of polyanilines 8 parts of initator KPS0.6 part glycerine 12 parts of antioxidant B2251 part carbon blacks 2 parts.
Preparation method comprises the following steps:
1) after matching well get raw material according to above-mentioned formula, polyurethane, polyvinyl alcohol, polypropylene, polyaniline, glycerine are mixed in high-speed mixer and adds initator KPS again, 30 DEG C of reactions 10 hours under inert gas shielding;
2) then add antioxidant B225 and carbon black, mix, and above-mentioned compound is placed in 80 DEG C of dry 2h of baking oven;
3) above-mentioned compound is injected metal die, under temperature is 80 DEG C of conditions, static pressure is shaped 20 minutes;
4) sent in high temperature sintering furnace by above-mentioned metal die, sintering temperature controls at 210 DEG C, and sintering time is 2.5 hours, after sintering, and metal die is cooled to room temperature in vacuum equipment, is about 11 hours obtained seal covers cooling time;
5) periphery of above-mentioned seal cover is tightly connected by fluid sealant and insulation board.
Embodiment 3
Thermoplastic polyurethane 50 parts of polyvinyl alcohol 25 parts of polipropene 25 part polyanilines, 10 parts of initators, 0.8 part of glycerine, 15 parts of antioxidant 1.5 parts of carbon blacks 2.6 parts.
Preparation method comprises the following steps:
1) after matching well get raw material by above-mentioned formula, polyurethane, polyvinyl alcohol, polypropylene, polyaniline, glycerine are mixed in high-speed mixer and adds initator again, 40 DEG C of reactions 12 hours under inert gas shielding;
2) then add antioxidant and carbon black, mix, and above-mentioned compound is placed in 80 DEG C of dry 1h of baking oven;
3) above-mentioned compound is injected metal die, under temperature is 90 DEG C of conditions, static pressure is shaped 40 minutes;
4) sent in high temperature sintering furnace by above-mentioned metal die, sintering temperature controls at 280 DEG C, and sintering time is 2 hours, after sintering, and metal die is cooled to room temperature in vacuum equipment, is about 15 hours obtained seal covers cooling time;
5) periphery of above-mentioned seal cover is tightly connected by fluid sealant and insulation board.
Test the test data of the hardness of the encapsulant finally prepared, hot strength and tensile elongation, permeability resistance, notch impact strength.
In table.
Table one
As can be seen from the above table, seal cover of the present invention has good sealing property and physical property, can not affect the public life-span becoming case inner components.
Claims (3)
1. a public change case, comprises case top (1) and casing (2); Described case top (1) is arranged on described casing (2); It is characterized in that: the sidewall of described casing (2) is provided with insulation board (3); Described insulation board (3) is provided with the through hole (3.1) that multiple power supply source line passes; Each through hole (3.1) is equipped with seal cover (4), described seal cover is connected by sealant sealing with insulation board; The middle part of described seal cover (4) is provided with the cross crotch (4.1) that power supply source line passes; Wherein: described seal cover is made up of the raw material of following parts by weight:
Thermoplastic polyurethane 30-50 part polyvinyl alcohol 15-25 part polypropylene 15-25 part polyaniline 5-10 part initator 0.2-0.8 part glycerine 10-15 part antioxidant 0.8-1.5 part carbon black 1.8 ~ 2.6 parts;
The preparation method of seal cover, comprises the following steps:
1) after getting raw material by above-mentioned ratio of weight and number, polyurethane, polyvinyl alcohol, polypropylene, polyaniline, glycerine are mixed in high-speed mixer and adds initator again, 30-40 DEG C of reaction 10-12 hour under inert gas shielding;
2) then add antioxidant and carbon black, mix, and the compound in step 1 is placed in 60 ~ 80 DEG C of dry 1-of baking oven
3h；
3) compound in step 2 is injected metal die, static pressure sizing 20-40 minute under temperature is 60-90 DEG C of condition;
4) sent in high temperature sintering furnace by above-mentioned metal die, sintering temperature controls at 190-280 DEG C, and sintering time is 2-3 hour, and after sintering, metal die is cooled to room temperature in vacuum equipment, and cooling time is 10-15 hour obtained seal cover;
5) periphery of above-mentioned seal cover is tightly connected by fluid sealant and insulation board.
2. public affairs according to claim 1 become case, it is characterized in that: described initator is the one in APS, KPS, AIBN.
3. public affairs according to claim 1 become case, it is characterized in that: described antioxidant is the one in antioxidant B225 or antioxidant B215.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410158083.7A CN103944079B (en) | 2014-04-18 | 2014-04-18 | Public change case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410158083.7A CN103944079B (en) | 2014-04-18 | 2014-04-18 | Public change case |
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| Publication Number | Publication Date |
|---|---|
| CN103944079A CN103944079A (en) | 2014-07-23 |
| CN103944079B true CN103944079B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410158083.7A Active CN103944079B (en) | 2014-04-18 | 2014-04-18 | Public change case |
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| Country | Link |
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| CN (1) | CN103944079B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119162B (en) * | 2015-09-08 | 2017-12-08 | 国网山东沂南县供电公司 | Distribution box with shell structure |
| CN106220808B (en) * | 2016-07-28 | 2018-12-04 | 东莞市吉鑫高分子科技有限公司 | A kind of thermoplastic polyurethane elastomer resistant to bending and preparation method thereof |
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| CN101276163A (en) * | 2006-03-28 | 2008-10-01 | 富士施乐株式会社 | Electrophotographic photoreceptor, process cartridge, image forming apparatus and coating composition |
| CN101323157A (en) * | 2008-07-14 | 2008-12-17 | 东莞市新志密封技术有限公司 | Method for producing sealing ring |
| WO2011107967A3 (en) * | 2010-03-05 | 2011-12-29 | Basf Se | Improved polymer membranes, processes for production thereof and use thereof |
| CN102859422A (en) * | 2010-04-22 | 2013-01-02 | 株式会社正兴电机制作所 | Seal tape, light modulating element, light modulating structure and method for producing light modulating structure |
| CN203326415U (en) * | 2013-07-31 | 2013-12-04 | 国家电网公司 | Public transformation box with waterproof wire inlet |
| CN203367774U (en) * | 2013-07-31 | 2013-12-25 | 国家电网公司 | Pubic change case convenient for wire inlet and connection |
| CN103676510A (en) * | 2012-09-12 | 2014-03-26 | 富士施乐株式会社 | Charge transporting film, photoelectric conversion device, electrophotographic photoreceptor, process cartridge, and image forming apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3261688B2 (en) * | 1994-08-23 | 2002-03-04 | キヤノン株式会社 | Secondary battery and method of manufacturing the same |
| CN101024624B (en) * | 2006-02-24 | 2013-09-11 | 富士胶片株式会社 | Oxime derivative, photopolymerisable composition, colour filter and process for producing the same |
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2014
- 2014-04-18 CN CN201410158083.7A patent/CN103944079B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101276163A (en) * | 2006-03-28 | 2008-10-01 | 富士施乐株式会社 | Electrophotographic photoreceptor, process cartridge, image forming apparatus and coating composition |
| CN101323157A (en) * | 2008-07-14 | 2008-12-17 | 东莞市新志密封技术有限公司 | Method for producing sealing ring |
| WO2011107967A3 (en) * | 2010-03-05 | 2011-12-29 | Basf Se | Improved polymer membranes, processes for production thereof and use thereof |
| CN102859422A (en) * | 2010-04-22 | 2013-01-02 | 株式会社正兴电机制作所 | Seal tape, light modulating element, light modulating structure and method for producing light modulating structure |
| CN103676510A (en) * | 2012-09-12 | 2014-03-26 | 富士施乐株式会社 | Charge transporting film, photoelectric conversion device, electrophotographic photoreceptor, process cartridge, and image forming apparatus |
| CN203326415U (en) * | 2013-07-31 | 2013-12-04 | 国家电网公司 | Public transformation box with waterproof wire inlet |
| CN203367774U (en) * | 2013-07-31 | 2013-12-25 | 国家电网公司 | Pubic change case convenient for wire inlet and connection |
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| CN103944079A (en) | 2014-07-23 |
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Inventor after: Li Shuiqing Inventor before: Chu Haifeng Inventor before: Pan Songtao Inventor before: Wang Xiao Inventor before: Wang Weijun Inventor before: Zhao Jinguang Inventor before: Zhou Xiaojun Inventor before: Wu Yunxia |
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Effective date of registration: 20160229 Address after: 315700 Ningbo, Xiangshan Province Economic Development Zone, Park Road, No. 98 Applicant after: Xiangshan Yi Shan industrial design Co., Ltd Address before: 315600 Taoyuan City, Ningbo province Ninghai County Street, Hing Road, No. two, No. 9, No. Applicant before: Ninghai Yancangshan Electric Power Equipment Factory Applicant before: State Grid Zhejiang Ninghai County Power Supply Company |
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Effective date of registration: 20170220 Address after: Dang Zhen Ju Jin Cun Jiaxing Haiyan County in Zhejiang province 314000 City help shore corridor No. 18 Shen Patentee after: Wang Yi Address before: 315700 Ningbo, Xiangshan Province Economic Development Zone, Park Road, No. 98 Patentee before: Xiangshan Yi Shan industrial design Co., Ltd |
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Effective date of registration: 20191018 Address after: 341199 No. 43, 010307 Chengnan Road East, Meilin Town, Ganxian District, Ganzhou, Jiangxi Patentee after: Ganzhou An Yi Hong science and Technology Co., Ltd. Address before: 18 banganlong, Jujin village, Shendang Town, Haiyan County Patentee before: Wang Yi |
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Effective date of registration: 20191029 Address after: No.678-15, Xinmin North Road, Wutong street, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: Tongxiang Levi new materials Co., Ltd. Address before: 341199 No. 43, 010307 Chengnan Road East, Meilin Town, Ganxian District, Ganzhou, Jiangxi Patentee before: Ganzhou An Yi Hong science and Technology Co., Ltd. |
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