CN104289829B - A kind of transformer lead pin scaling powder - Google Patents
A kind of transformer lead pin scaling powder Download PDFInfo
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- CN104289829B CN104289829B CN201410475509.1A CN201410475509A CN104289829B CN 104289829 B CN104289829 B CN 104289829B CN 201410475509 A CN201410475509 A CN 201410475509A CN 104289829 B CN104289829 B CN 104289829B
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- Prior art keywords
- weight
- carbitol
- scaling powder
- isopropanol
- glycerol
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/362—Selection of compositions of fluxes
Abstract
The present invention relates to air-conditioning transformer technology field, it discloses a kind of transformer lead pin scaling powder, including the raw material of following percentage by weight：Compounding rosin 35 50%, isopropanol 20 27%, butyl acetate 3 9%, carbitol 12 16%, glycerol 1 5%, malic acid 2 8%, thixotropic agent 1 5%.Scaling powder of the present invention adopts compounding rosin as film forming matter, from isopropanol and carbitol as solvent, product viscosity, wettability, collapse resistant good；Scaling powder weldering property of the present invention is good, and wetting effect is good, the surface tension of tin liquor when glycerol reduces tin plating, drag reduction, and activity improves.
Description
Technical field
The present invention relates to air-conditioning transformer technology field, more particularly, to a kind of transformer lead pin scaling powder.
Background technology
Transformator is the device changing alternating voltage using the principle of electromagnetic induction, and main member is primary coil, secondary
Level coil and iron core.Major function has：Voltage transformation, current transformation, impedance conversion, isolation, voltage stabilizing etc..Can divide by purposes
For：Distribution transformer, power transformer, full-sealed transformer, combined transformer, dry-type transformer, oil-filled transformer, list
Phase transformer, furnace transformer, rectifier transformer etc..
Idle call mains transformer, is mainly made up of armature winding and secondary windings, connects and disposably melt in armature winding
Disconnected type electric fuse.When input voltage or electric current overload, or secondary be short-circuited etc. abnormal failure when, electric fuse can fast thawing soon
Disconnected, power supply circuits of cutting off the electricity supply, protect main circuit safety.Idle call power supply transformer production technique generally comprises following steps：
Coiling, reason line, scolding tin, assembling, outward appearance initial survey, electric performance test, dipping lacquer, beat that pressure, circle part is pressure, secondary scolding tin, electrical property
Repetition measurement, cut foot, outward appearance detection etc., pin surface plating last layer stannum can make its on electronic circuit board can with rapid welding,
And can prevent pin from aoxidizing, auxiliary welding effect must be played using scaling powder when pin is tin plating.Many scaling powders make at present
With " hydrazine hydrate " and materials such as " hydrazines ", as reducing atmosphere in hot tinning and protective atmosphere, but " hydrazine hydrate " has itself
There is carcinogenecity, and be required for being carried out pickling reaction in formulation operations with hydrochloric acid, many common scaling powders all add this kind ofization
Learn reagent, have pollution to environment.
Content of the invention
It is an object of the invention to provide a kind of transformer lead pin scaling powder, chemism is superior, and wettability is good, welding
Ability is strong.
For achieving the above object, the present invention employs the following technical solutions：
A kind of transformer lead pin scaling powder, including the raw material of following percentage by weight：Compounding rosin 35 50%, isopropanol
20 27%, butyl acetate 3 9%, carbitol 12 16%, glycerol 1 5%, malic acid 2 8%, thixotropic agent 1 5%.
Preferably, described transformer lead pin scaling powder includes the raw material of following percentage by weight：Compounding rosin 37 48%,
Isopropanol 22 25%, butyl acetate 5 8%, carbitol 13 15%, glycerol 2 4%, malic acid 3 5%, thixotropic agent
2 4%.
Preferably, described transformer lead pin scaling powder includes the raw material of following percentage by weight：Compounding rosin 45%, isopropyl
Alcohol 23%, butyl acetate 6%, carbitol 14%, glycerol 3%, malic acid 6%, thixotropic agent 3%.
Preferably, described thixotropic agent adopts stearic acid, polyoxyethylene castor oil or polyamide modified castor oil.
It is furthermore preferred that the preparation method of described transformer lead pin scaling powder comprises the following steps：
(1) compounding rosin, isopropanol, butyl acetate, carbitol, glycerol, Fructus Mali pumilae are weighed respectively by described percentage by weight
Acid, thixotropic agent；
(2) based on described percentage by weight, it is heated to 70 75 DEG C by after described isopropanol, carbitol mix homogeneously,
Add described compounding rosin while stirring, constant temperature stirs 20 30 minutes；
(3) based on described percentage by weight, add described malic acid, glycerol in the solution of step (2) gained, be heated to
80 85 DEG C, it is sufficiently agitated until and is completely dissolved；
(4) based on described percentage by weight, add while stirring in the solution of step (3) gained described butyl acetate,
Thixotropic agent, is sufficiently agitated until and is completely dissolved.
The present invention compared with prior art, has advantages below：
Scaling powder of the present invention adopts compounding rosin as film forming matter, from isopropanol and carbitol as solvent, product
Viscosity, wettability, collapse resistant good；Scaling powder weldering property of the present invention is good, and wetting effect is good, the table of tin liquor when glycerol reduces tin plating
Face tension force, drag reduction, activity improves.
Specific embodiment
With reference to specific embodiment, technical scheme is further described in detail.
Embodiment one：
A kind of transformer lead pin scaling powder, including the raw material of following percentage by weight：Compounding rosin 50%, isopropanol
27%, butyl acetate 3%, carbitol 12%, glycerol 1%, malic acid 2%, stearic acid 5%.
The preparation method of described transformer lead pin scaling powder comprises the following steps：
(1) compounding rosin, isopropanol, butyl acetate, carbitol, glycerol, Fructus Mali pumilae are weighed respectively by described percentage by weight
Acid, stearic acid；
(2) based on described percentage by weight, it is heated to 75 DEG C by after isopropanol, carbitol mix homogeneously, while stirring
Add described compounding rosin, constant temperature stirs 30 minutes；
(3) based on described percentage by weight, add malic acid, glycerol in the solution of step (2) gained, be heated to 85
DEG C, it is sufficiently agitated until and be completely dissolved；
(4) based on described percentage by weight, in the solution of step (3) gained, butyl acetate, Hard Fat are added while stirring
Acid, polyoxyethylene castor oil or polyamide modified castor oil, are sufficiently agitated until and are completely dissolved.
Embodiment two：
A kind of transformer lead pin scaling powder, including the raw material of following percentage by weight：Compounding rosin 35%, isopropanol
23%, butyl acetate 9%, carbitol 16%, glycerol 5%, malic acid 8%, polyoxyethylene castor oil 1%.
The preparation method of described transformer lead pin scaling powder comprises the following steps：
(1) compounding rosin, isopropanol, butyl acetate, carbitol, glycerol, Fructus Mali pumilae are weighed respectively by described percentage by weight
Acid, polyoxyethylene castor oil；
(2) based on described percentage by weight, it is heated to 70 DEG C by after described isopropanol, carbitol mix homogeneously, while stirring
Mix side and add described compounding rosin, constant temperature stirs 20 minutes；
(3) based on described percentage by weight, add malic acid, glycerol in the solution of step (2) gained, be heated to 80
DEG C, it is sufficiently agitated until and be completely dissolved；
(4) based on described percentage by weight, in the solution of step (3) gained, butyl acetate, polyoxy are added while stirring
Ethylene castor oil, is sufficiently agitated until and is completely dissolved.
Embodiment three：
A kind of transformer lead pin scaling powder, including the raw material of following percentage by weight：Compounding rosin 48%, isopropanol
25%, butyl acetate 8%, carbitol 13%, glycerol 2%, malic acid 3%, polyamide modified castor oil 1%.
The preparation method of described transformer lead pin scaling powder comprises the following steps：
(1) weigh compounding rosin, isopropanol, butyl acetate, carbitol, glycerol, malic acid by weight percentage respectively, gather
Amide modifications Oleum Ricini；
(2) by weight percentage, it is heated to 73 DEG C by after isopropanol, carbitol mix homogeneously, add while stirring
Compounding rosin, constant temperature stirs 25 minutes；
(3) by weight percentage, add malic acid, glycerol in the solution of step (2) gained, be heated to 83 DEG C, fill
Divide stirring until being completely dissolved；
(4) by weight percentage, butyl acetate, polyamide is added to change while stirring in the solution of step (3) gained
Property Oleum Ricini, is sufficiently agitated until and is completely dissolved.
Example IV：
A kind of transformer lead pin scaling powder, including the raw material of following percentage by weight：Compounding rosin 37%, isopropanol
24%, butyl acetate 8%, carbitol 15%, glycerol 4%, malic acid 5%, thixotropic agent 4%, stearic acid 3%.
The preparation method of described transformer lead pin scaling powder comprises the following steps：
(1) weigh compounding rosin by weight percentage respectively, isopropanol, butyl acetate, carbitol, glycerol, malic acid, firmly
Fat acid；
(2) by weight percentage, it is heated to 72 DEG C by after isopropanol, carbitol mix homogeneously, add while stirring
Compounding rosin, constant temperature stirs 23 minutes；
(3) by weight percentage, add malic acid, glycerol in the solution of step (2) gained, be heated to 82 DEG C, fill
Divide stirring until being completely dissolved；
(4) by weight percentage, add butyl acetate, stearic acid while stirring in the solution of step (3) gained, fill
Divide stirring until being completely dissolved.
Embodiment five：
A kind of transformer lead pin scaling powder, including the raw material of following percentage by weight：Compounding rosin 45%, isopropanol
23%, butyl acetate 6%, carbitol 14%, glycerol 3%, malic acid 6%, polyamide modified castor oil 3%.
The preparation method of described transformer lead pin scaling powder comprises the following steps：
(1) weigh compounding rosin, isopropanol, butyl acetate, carbitol, glycerol, malic acid by weight percentage respectively, gather
Amide modifications Oleum Ricini；
(2) by weight percentage, it is heated to 74 DEG C by after isopropanol, carbitol mix homogeneously, add while stirring
Compounding rosin, constant temperature stirs 28 minutes；
(3) by weight percentage, add malic acid, glycerol in the solution of step (2) gained, be heated to 84 DEG C, fill
Divide stirring until being completely dissolved；
(4) by weight percentage, butyl acetate, polyamide is added to change while stirring in the solution of step (3) gained
Property Oleum Ricini, is sufficiently agitated until and is completely dissolved.
It should be noted last that, above specific embodiment only in order to technical scheme to be described and unrestricted,
Although being described in detail to the present invention with reference to preferred embodiment, it will be understood by those within the art that, can be right
Technical scheme is modified or equivalent, and without deviating from the spirit and scope of technical solution of the present invention, it is equal
Should cover in the middle of scope of the presently claimed invention.
Claims (1)
1. a kind of preparation method of transformer lead pin scaling powder, including the raw material of following percentage by weight：Compounding rosin 35
50%, isopropanol 20 27%, butyl acetate 3 9%, carbitol 12 16%, glycerol 1 5%, malic acid 2 8%, touches
Become agent 1 5% it is characterised in that its preparation method comprises the following steps：
(1) weigh compounding rosin, isopropanol, butyl acetate, carbitol, glycerol, malic acid respectively by described percentage by weight, touch
Become agent；
(2) based on described percentage by weight, it is heated to 70 75 DEG C by after described isopropanol, carbitol mix homogeneously, while stirring
Mix side and add described compounding rosin, constant temperature stirs 20 30 minutes；
(3) based on described percentage by weight, add described malic acid, glycerol in the solution of step (2) gained, be heated to 80
85 DEG C, it is sufficiently agitated until and is completely dissolved；
(4) based on described percentage by weight, in the solution of step (3) gained, described butyl acetate, thixotroping are added while stirring
Agent, is sufficiently agitated until and is completely dissolved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410475509.1A CN104289829B (en) | 2014-09-17 | 2014-09-17 | A kind of transformer lead pin scaling powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410475509.1A CN104289829B (en) | 2014-09-17 | 2014-09-17 | A kind of transformer lead pin scaling powder |
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| CN104289829A CN104289829A (en) | 2015-01-21 |
| CN104289829B true CN104289829B (en) | 2017-03-08 |
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| CN201410475509.1A Active CN104289829B (en) | 2014-09-17 | 2014-09-17 | A kind of transformer lead pin scaling powder |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107498214B (en) * | 2016-11-29 | 2019-06-14 | 广东剑鑫科技股份有限公司 | Dedicated cleaning-free scaling powder of the outer PIN of network transformer and preparation method thereof |
| CN110303272A (en) * | 2019-06-26 | 2019-10-08 | 浙江强力控股有限公司 | Brass base, Ni-based needle tubing halogen-free environmental solder(ing) paste and preparation method thereof |
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| JP3797990B2 (en) * | 2003-08-08 | 2006-07-19 | 株式会社東芝 | Thermosetting flux and solder paste |
| JP2008062253A (en) * | 2006-09-05 | 2008-03-21 | Denso Corp | Flux for soldering and solder paste composition |
| CN101234455B (en) * | 2007-01-30 | 2012-03-28 | 播磨化成株式会社 | Soldering tin paste composition and soldering-tin precoating method |
| CN101327554A (en) * | 2008-07-31 | 2008-12-24 | 东莞永安科技有限公司 | Low-temperature halogenide-free high-activity soldering tin paste |
| JP5856747B2 (en) * | 2011-03-28 | 2016-02-10 | ハリマ化成株式会社 | Soldering flux and solder paste composition |
| CN103521952A (en) * | 2012-07-06 | 2014-01-22 | 重庆微世特电子材料有限公司 | Welding-bonding dual-purpose halogen-free electronic addition agent and preparation method thereof |
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Transformer pin scaling powder Effective date of registration: 20181113 Granted publication date: 20170308 Pledgee: Anhui Mingguang rural commercial bank Limited by Share Ltd. Pledgor: MINGGUANG RUICHUANG ELECTRIC Co.,Ltd. Registration number: 2018340000640 |
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Date of cancellation: 20191227 Granted publication date: 20170308 Pledgee: Anhui Mingguang rural commercial bank Limited by Share Ltd. Pledgor: MINGGUANG RUICHUANG ELECTRIC Co.,Ltd. Registration number: 2018340000640 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A transformer pin flux Effective date of registration: 20220919 Granted publication date: 20170308 Pledgee: Anhui Mingguang rural commercial bank Limited by Share Ltd. Pledgor: MINGGUANG RUICHUANG ELECTRIC Co.,Ltd. Registration number: Y2022980015518 |