CN106519882A - Preparation and coating method of fusing agent for wire-wound fusible resistor - Google Patents
Preparation and coating method of fusing agent for wire-wound fusible resistor Download PDFInfo
- Publication number
- CN106519882A CN106519882A CN201610983430.9A CN201610983430A CN106519882A CN 106519882 A CN106519882 A CN 106519882A CN 201610983430 A CN201610983430 A CN 201610983430A CN 106519882 A CN106519882 A CN 106519882A
- Authority
- CN
- China
- Prior art keywords
- fusing
- fusing agent
- resistor
- powder
- sulphur powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/06—Sulfur
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/16—Resistor networks not otherwise provided for
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C3/00—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
- H01C3/14—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element being formed in two or more coils or loops continuously wound as a spiral, helical or toroidal winding
- H01C3/20—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element being formed in two or more coils or loops continuously wound as a spiral, helical or toroidal winding wound on cylindrical or prismatic base
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Details Of Resistors (AREA)
Abstract
The invention discloses preparation and a coating method of a fusing agent for a wire-wound fusible resisto. The fusing agent comprises the raw materials in percentages by mass: 25-40% of phenolic resin, 5-15% of ethylene glycol monomethyl ether, 35-60% of tin powder, 2-10% of magnesium powder, 3-10% of sulfur powder and 2-10% of tributyl phosphate. The preparation method comprises the following steps: first, separately weighing the raw materials for later use; then pre-treating the sulfur powder, wherein the proportion of the pre-treatment is as follows: 12.5% of sulfur powder, 10% of anhydrous ethanol, 20% of ammonia water, 15% of deionized water and 42.5% of tetraethylorthosilicate; and then uniformly mixing the phenolic resin, the ethylene glycol monomethyl ether and the tributyl phosphate, adding the tin powder and the magnesium powder, adding a sulfur powder turbid liquid after being ball-milled, and mechanically mixing the mixture to obtain the fusing agent. The coating method comprises: finally, coating the fusing agent to 2-6 line widths in the middle position of a resistance wire on the resistor; and then drying and coating a heat-isolating layer and an insulating finishing coat. By virtue of the fusible resistor prepared by the invention, the resistance wire can be fused within 90s under a 1.14-time rated current, so that the technical requirements of a high performance charger on the fusible resistor are satisfied.
Description
Technical field
The present invention relates to a kind of line is around fusing resistor, more particularly to one kind makes line specified in low power around fusing resistor
Electric current I0(i.e. 1.14I0) under just can quick fuse fusing agent preparation and its painting method.
Background technology
It is information skill in terminal electronic devices such as current information-technology age, mobile phone, ipad, notebook computer, routers
The basis that art is achieved, the life to people generate strong influence, become people life, work in requisite work
Tool.Hyundai electronicses sci-tech product performance is increasingly advanced, and simultaneously consumer requires also more and more higher to its performance safety, because
Property, the life security of people is concerned for it.The smart mobile phone recall event of certain brand for occurring recently and subsequent life
Producing line stops production and is just illustrating this point.Security determines the destiny of a kind of electronic product and its brand, if security cannot
It is protected, then this product is necessarily abandoned by people.For above-mentioned electronic product, there is corresponding charger phase therewith
Supporting, equally, the security of charger is also received much attention during these electronic product uses, manufacturer
Even more take various measures to improve the safety in utilization of charger, it is to avoid the generation of fire.The work characteristics of charger is big
Electric current, its operating current are usually less than 500mA, and this easily causes resistive element heating, burns out plastic casing, and then causes fire
Calamity.Therefore, the operating circuit of charger ensures the security of charger generally with fusing resistor in design, it is to avoid by
When certain factor causes the operating current overrate of charger charger still work long hours and caused heating and
Thermal accumlation causes fire.Obviously, fusing resistor plays decisive role here, and the security of charger is by fusing electricity
The performance of resistance device is ensureing.
At present, the fusing resistor of charger is mainly line geometric pattern, and it is the overcurrent with fusible link as core component
Protection device.Fusible link is that a kind of ferronickel or nichrome wire, wherein ferronickel or nickel chromium content are 95%, and trace element is 5%.
When line is larger than rated value around fusing resistor operating current, fusible link can generate heat rapidly, make fusing resistor temperature fast
Speed is warmed up to 450～650 DEG C.If fusible link can not fuse in 3min, the plastic casing of charger is because prolonged high
Temperature is scorched can occur fusing, and fire now easily occurs.And ferronickel or nichrome wire fusing point are more than 1000 DEG C, it is clear that in fusing
When resistor temperature is 450～650 DEG C, this B alloy wire fusing is insufficient to allow.Therefore need a kind of fusing agent coating online around
Fusing resistor surface, when its operating temperature is too high, can make high-melting-point fusible link quick fuse.In current charger 12
Ω lines are tested by the fusing test circuit of design around fusing resistor, it is desirable to 1.25I0In lower 120s, fusing, that is, can guarantee that charging
There is no fusing in device shell, realize that safeguard protection is acted on.But with extensive application of the charger in advanced electronic equipment, to institute
Line proposes higher performance requirement around fusing resistor, it is desirable to which which can be under small current, such as 1.14I0, 90s interior energies fusing,
To provide cocksure security.On the other hand, line is not sent out around the fusing wire material composition and specification of fusing resistor
Changing, this just proposes higher performance requirement to the agent that fuses.At present, business-like fusing agent product category is not many, can be full
The fusing agent of the above-mentioned technical requirement of foot is difficult to have bought, and little about the report of the agent composition that fuses.
The content of the invention
The purpose of the present invention, is to overcome the line of prior art meet high-melting-point around the agent that fuses used by fusing resistor to melt
The defect of fracture of wire quick fuse, there is provided one kind can be under small current, 1.14I0, 90s interior energy quick fuses line around fusing resistor
The fusing agent of device.
The present invention is achieved by following technical solution：
Around fusing resistor fusing agent, raw material components and its mass percent are a kind of line：
Phenolic resin 25～40%, EGME 5～15%, glass putty 35～60%, magnesium powder 2～10%, sulphur powder 3～
10%, tributyl phosphate 2～10%.
Above-mentioned line uses the preparation method of fusing agent around fusing resistor, with following steps：
(1) by fusing agent raw material components：Phenolic resin 25～40%, EGME 5～15%, glass putty 35～60%,
Magnesium powder 2～10%, sulphur powder 3～10%, tributyl phosphate 2～10% are weighed respectively, standby；
(2) sulphur powder pretreatment
1. by the sulphur powder of step (1), according still further to sulphur powder 12.5%, absolute ethyl alcohol 10%, ammoniacal liquor 20%, deionized water
15%th, the proportioning of tetraethyl orthosilicate 42.5% is weighed respectively, standby；
2. by step, 1. load weighted sulphur powder, absolute ethyl alcohol, ammoniacal liquor and deionized water are placed in there-necked flask, and mechanical agitation is mixed
Close, be heated to 60 DEG C；
3. step 2. on the basis of, add the step of being preheated to 60 DEG C tetraethyl orthosilicate 1. and reacted, wait to mix
After conjunction solution is changed into milky suspension, 1～2h, natural cooling are incubated in 60 DEG C under agitation；
4. the milky suspension after 3. cool down step is using settled process washes of absolute alcohol 4 times, then stands 5h, removes
The ethanol gone above deposit, obtains sulphur powder suspension after stirring；
(3) phenolic resin of step (1), EGME and tributyl phosphate are well mixed, add 300 mesh glass puttys
With 1000 mesh magnesium powders, and by said mixture with ball mill process 1h, then add step (2) 4. pretreated sulphur powder hang
Turbid liquid, 1～3h of mechanical agitation so as to uniform to mix, while ethanol volatilization unnecessary in making sulphur powder suspension, that is, be obtained fusing
Agent.
The glass putty fineness of the step (3) is 300 mesh, and magnesium powder fineness is 1000 mesh.
Line uses the painting method of fusing agent around fusing resistor, with following steps：
(1) in uniform winding at the live width of 2～6, the centre position of the resistance wire on ceramic electrical resistance body, coating fusing agent,
Thickness after fusing agent film-forming is 300 μm；
(2) the ceramic electrical resistance body that step (1) coats fusing agent is dried in 120 DEG C, drying time is 60～120s；
(3) on the basis of step (2), to resistance wire surface coating thermal insulation layer and insulation finish paint on ceramic electrical resistance body
Layer, is obtained line around fusing resistor after drying.
Resistance wire of the uniform winding of the step (1) on ceramic electrical resistance body is nickel-iron wire or nickel filament, resistance wire
Distance between centers of tracks be 0.25mm, the line footpath of resistance wire is 0.7mm.
The coating width of the fusing agent of the step (1) is adjusted according to the requirement of fusing time, is 2 in coating width
In the range of～6 live widths, fusing time is 75～90s, and the more narrow then fusing time of coating width is shorter.
The line of the step (3) around fusing resistor be 12 Ω lines around fusing resistor.
Beneficial effects of the present invention are as follows：The present invention can make line around fusing resistor (nickel-iron wire or nickel filament) in small current
Under, in 1.14I0, 90s quick fuses, fusing effect it is good.Fusing agent need only be in 2～6 live widths of resistive element inter-coat, need not
Coat comprehensively, saved raw material, reduced production cost；The direct impact experiments of 220AC V and thunderbolt experiment, fusing resistor
Without sonic boom and can fuse, can meet technical requirement, high comprehensive performance.
Description of the drawings
Fig. 1 is structural representation of the line around fusing resistor；
Fig. 2 is the fusing agent coating schematic diagram of the line around fusing resistor of prior art：
Fig. 3 is the fusing agent coating schematic diagram of the line around fusing resistor of the present invention.
Reference of the present invention is as follows：
1 resistance wire, 2 resistance cap
3 fusing agent coatings
Specific embodiment
Below by specific embodiment, the invention will be further described.
Specific embodiment, is produced by Tianjin Shi Meite Electronics Co., Ltd.s, its structure around fusing resistor using 12 Ω lines
As shown in figure 1,1 uniform winding of resistance wire is on ceramic electrical resistance body, resistance wire is nickel-iron wire or nickel filament, the line footpath of resistance wire
For 0.7mm, distance between centers of tracks is about 0.25mm.The two ends of ceramic electrical resistance body are respectively arranged with resistance cap 2.
No matter the fusing resistor of nickel-iron wire or nickel filament is used in embodiment, and its effect is basically identical.
Embodiment 1
Fusing agent raw material components and its mass percent be：
Phenolic resin 33.1%, EGME 12.0%, glass putty (300 mesh) 44.5%, magnesium powder (1000 mesh) 3.2%,
Sulphur powder 4.2%, tributyl phosphate 3%.
The preparation method of fusing agent is as follows：
(1) by fusing agent raw material components phenolic resin 33.1%, EGME 12.0%, glass putty (300 mesh) 44.5%,
Magnesium powder (1000 mesh) 3.2%, sulphur powder 4.2%, tributyl phosphate 3% are weighed respectively, standby；
(2) sulphur powder pretreatment
1. by the sulphur powder of step (1), according still further to sulphur powder 12.5%, absolute ethyl alcohol 10%, ammoniacal liquor 20%, deionized water
15%th, the proportioning of tetraethyl orthosilicate 42.5% is weighed respectively, standby；
2. by step, 1. load weighted sulphur powder, absolute ethyl alcohol, ammoniacal liquor and deionized water are placed in there-necked flask, and mechanical agitation is mixed
Close, be heated to 60 DEG C；
3. step 2. on the basis of, add the step of being preheated to 60 DEG C tetraethyl orthosilicate 1. and reacted, wait to mix
After conjunction solution is changed into milky suspension, 1～2h, natural cooling are incubated under agitation；
4. the milky suspension after 3. cool down step is using settled process washes of absolute alcohol 4 times, then stands 5h, removes
The ethanol gone above deposit, obtains sulphur powder suspension after stirring；
(3) phenolic resin of step (1), EGME and tributyl phosphate are well mixed, add 300 mesh glass puttys
With 1000 mesh magnesium powders, and by said mixture with ball mill process 1h, then add step (2) 4. pretreated sulphur powder hang
Turbid liquid, 1～3h of mechanical agitation so as to uniform to mix, while ethanol volatilization unnecessary in making sulphur powder suspension, that is, be obtained fusing
Agent.
Sulphur powder pre-treatment step is very crucial, such as deals with improperly, and sulphur powder particle can not completely by SiO2Film is coated, follow-up
In coating processes, a small amount of sublimed sulfur is likely to result in the local corrosion of resistor lead.
The painting method of fusing agent, with following steps：
(1) in uniform winding at the live width of 2～6, the centre position of the resistance wire on ceramic electrical resistance body, coating fusing agent,
After film-forming, thickness is 300 μm；, when resistor is coated, being will be fusing agent coating 3 complete on the surface of resistance wire for prior art
Face coats, as shown in Figure 2.And the painting method of the present invention, being need only be in the centre position part of resistance wire by fusing agent coating 3
Coating (2～6 live widths), as shown in Figure 3.
It is that, in the range of 2～6 live widths, fusing time is 75～90s, and coating width is more narrow, when fusing in coating width
Between it is shorter.
Coating width can be adjusted according to the requirement of fusing time.For two kinds of resistors of nickel-iron wire or nickel filament, lead to
2～3 live widths are coated often, fusing agent can just make which fuse in 75s；When coating width increases to 4～6 live widths, can make
Which fuses in 90s；If coating width is more than 6 live widths, the interlaminated resistance silk on resistor can start fusing in 45s
(in the middle of resistive element, moment reddens), and send dazzling strong through the crackle that occurs on thermal insulation layer and insulation top coat layer or molten hole
Light, shows as the time delay that fuses, and in this case, the time of resistor open circuit completely may exceed 90s.Therefore, in the present invention
Fusing agent, coat resistor when, coating width is no more than 6 live widths.
(2) the ceramic electrical resistance body that step (1) coats fusing agent is dried in 120 DEG C, drying time is 60～120s；
(3) on the basis of step (2), to resistance wire surface coating thermal insulation layer and insulation finish paint on ceramic electrical resistance body
Layer, is obtained line around fusing resistor after drying.
Embodiment 2
Fusing agent raw material components and its mass percent be：
Phenolic resin 30.3%, EGME 10.8%, glass putty (300 mesh) 48.8%, magnesium powder (1000 mesh) 2.4%,
Sulphur powder 5.6%, tributyl phosphate 2.1%.
, in addition to the composition of raw materials of fusing agent, other processing steps are identical with embodiment 1 for the present embodiment.
Embodiment 3
Fusing agent raw material components and its mass percent be：
Phenolic resin 40%, EGME 14%, glass putty (300 mesh) 37%, magnesium powder (1000 mesh) 2%, sulphur powder 3%,
Tributyl phosphate 4%.
, in addition to the composition of raw materials of fusing agent, other processing steps are identical with embodiment 1 for the present embodiment.
Fusing agent performance test mode is as follows：
The performance of fusing agent be by line around fusing resistor performance embodying, test process is in the beautiful spy's electronics of Tianjin generation
Carry out on Co., Ltd's special test equipment.Test shows, under 1.14 times of rated current of fusing resistor, prepared fusing
Agent can make nickel-iron wire or nickel filament fusing resistor fuse in 90s.Hereafter, 220AC V have been carried out by company standard direct
Impact experiment and thunderbolt experiment, fusing resistor is without sonic boom and can fuse, and can meet technical requirement.Table is tested above
Bright, the fusing agent of the present invention disclosure satisfy that high-performance battery charger by the fusing resistor function admirable of regulation coating processes production
To line around fusing resistor technical requirements.Additionally, the technology of the present invention can also promote the fusing resistor for other resistance specifications
Device, such as achieves same excellent fusing effect in 10 Ω lines on fusing resistor, also.
The fusing agent not only function admirable of the present invention, and apply as a result of topical application fusing agent in preparation process
Layer, therefore raw material are also a saving, production cost is reduce further, with higher practical value.
Claims (7)
1. a kind of line around fusing resistor fusing agent, raw material components and its mass percent is：
Phenolic resin 25～40%, EGME 5～15%, glass putty 35～60%, magnesium powder 2～10%, sulphur powder 3～10%,
Tributyl phosphate 2～10%.
2. a kind of line of claim 1 uses the preparation method of fusing agent around fusing resistor, with following steps：
(1) by fusing agent raw material components：Phenolic resin 25～40%, EGME 5～15%, glass putty 35～60%, magnesium powder 2
～10%, sulphur powder 3～10%, tributyl phosphate 2～10% are weighed respectively, standby；
(2) sulphur powder pretreatment
1. by the sulphur powder of step (1), according still further to sulphur powder 12.5%, absolute ethyl alcohol 10%, ammoniacal liquor 20%, deionized water 15%, just
The proportioning of silester 42.5% is weighed respectively, standby；
2. by step, 1. load weighted sulphur powder, absolute ethyl alcohol, ammoniacal liquor and deionized water are placed in there-necked flask, mechanical agitation mixing,
It is heated to 60 DEG C；
3. step 2. on the basis of, add the step of being preheated to 60 DEG C tetraethyl orthosilicate 1. and reacted, it is to be mixed molten
After liquid is changed into milky suspension, 1～2h, natural cooling are incubated in 60 DEG C under agitation；
4. the milky suspension after 3. cool down step is using settled process washes of absolute alcohol 4 times, then stands 5h, and it is heavy to remove
Ethanol above product thing, obtains sulphur powder suspension after stirring；
(3) phenolic resin of step (1), EGME and tributyl phosphate are well mixed, add 300 mesh glass puttys and
1000 mesh magnesium powders, and said mixture is processed into 1h with ball mill, 4. pretreated sulphur powder is suspended then to add step (2)
Liquid, 1～3h of mechanical agitation so as to uniform to mix, while ethanol volatilization unnecessary in making sulphur powder suspension, that is, be obtained fusing agent.
3. line according to claim 2 uses the preparation method of fusing agent around fusing resistor, it is characterised in that the step
(3) glass putty fineness is 300 mesh, and magnesium powder fineness is 1000 mesh.
4. the line of claim 1 uses the painting method of fusing agent around fusing resistor, with following steps：
(1) in uniform winding at the live width of 2～6, the centre position of the resistance wire on ceramic electrical resistance body, coating fusing agent, fusing
Thickness after agent film-forming is 300 μm；
(2) the ceramic electrical resistance body that step (1) coats fusing agent is dried in 120 DEG C, drying time is 60～120s；
(3) on the basis of step (2), to resistance wire surface coating thermal insulation layer and insulation top coat layer on ceramic electrical resistance body, dry
Line is obtained after dry around fusing resistor.
5. line according to claim 4 uses the painting method of fusing agent around fusing resistor, it is characterised in that the step
(1) resistance wire of the uniform winding on ceramic electrical resistance body is nickel-iron wire or nickel filament, and the distance between centers of tracks of resistance wire is 0.25mm,
The line footpath of resistance wire is 0.7mm.
6. line according to claim 4 uses the painting method of fusing agent around fusing resistor, it is characterised in that the step
(1) coating width of fusing agent is adjusted according to the requirement of fusing time, in the range of coating width is for 2～6 live widths,
Fusing time is 75～90s, and the more narrow then fusing time of coating width is shorter.
7. line according to claim 4 uses the preparation method of fusing agent around fusing resistor, it is characterised in that the step
(3) line around fusing resistor be 12 Ω lines around fusing resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610983430.9A CN106519882B (en) | 2016-11-09 | 2016-11-09 | A kind of line uses preparation and its painting method of fusing agent around fusing resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610983430.9A CN106519882B (en) | 2016-11-09 | 2016-11-09 | A kind of line uses preparation and its painting method of fusing agent around fusing resistor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106519882A true CN106519882A (en) | 2017-03-22 |
| CN106519882B CN106519882B (en) | 2018-10-02 |
Family
ID=58350907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610983430.9A Expired - Fee Related CN106519882B (en) | 2016-11-09 | 2016-11-09 | A kind of line uses preparation and its painting method of fusing agent around fusing resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106519882B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111128493A (en) * | 2018-10-30 | 2020-05-08 | 斯玛特电子公司 | Fuse resistor assembly and method of making same |
| CN111320934A (en) * | 2018-12-17 | 2020-06-23 | 安徽伟创电力科技有限公司 | Fuse protector special for arc suppression cabinet |
| CN112133509A (en) * | 2020-09-25 | 2020-12-25 | 世盟电子(惠州)有限公司 | Current type rapid fusing resistor and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06224011A (en) * | 1992-11-30 | 1994-08-12 | Tama Electric Co Ltd | Fuse resistor |
| CN101577158A (en) * | 2009-06-19 | 2009-11-11 | 蚌埠市双环电子集团有限公司 | Insulating wirewound moulded fusing resistor |
| CN101783270A (en) * | 2009-01-16 | 2010-07-21 | 比亚迪股份有限公司 | Alloy-wire and thermal fuse adopting same |
| CN104051091A (en) * | 2014-06-28 | 2014-09-17 | 安徽昌盛电子股份有限公司 | Excessively-low-current protection lightning-stroke-resisting surge wire-wound resistor |
| CN203931693U (en) * | 2014-06-28 | 2014-11-05 | 安徽昌盛电子股份有限公司 | Too little current protection anti-lightning surge wirewound resistor |
-
2016
- 2016-11-09 CN CN201610983430.9A patent/CN106519882B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06224011A (en) * | 1992-11-30 | 1994-08-12 | Tama Electric Co Ltd | Fuse resistor |
| CN101783270A (en) * | 2009-01-16 | 2010-07-21 | 比亚迪股份有限公司 | Alloy-wire and thermal fuse adopting same |
| CN101577158A (en) * | 2009-06-19 | 2009-11-11 | 蚌埠市双环电子集团有限公司 | Insulating wirewound moulded fusing resistor |
| CN104051091A (en) * | 2014-06-28 | 2014-09-17 | 安徽昌盛电子股份有限公司 | Excessively-low-current protection lightning-stroke-resisting surge wire-wound resistor |
| CN203931693U (en) * | 2014-06-28 | 2014-11-05 | 安徽昌盛电子股份有限公司 | Too little current protection anti-lightning surge wirewound resistor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111128493A (en) * | 2018-10-30 | 2020-05-08 | 斯玛特电子公司 | Fuse resistor assembly and method of making same |
| CN111320934A (en) * | 2018-12-17 | 2020-06-23 | 安徽伟创电力科技有限公司 | Fuse protector special for arc suppression cabinet |
| CN112133509A (en) * | 2020-09-25 | 2020-12-25 | 世盟电子(惠州)有限公司 | Current type rapid fusing resistor and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106519882B (en) | 2018-10-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106519882A (en) | Preparation and coating method of fusing agent for wire-wound fusible resistor | |
| CN102746769B (en) | Thermosetting heat conduction and radiation coating and preparation method thereof | |
| CN102294476B (en) | Ferrosilicon material and mu75 ferrosilicon magnetic powder core manufacturing method | |
| CN110669258B (en) | Modified flake graphite powder, resin-based carbon brush and preparation method | |
| CN102623121A (en) | Method for manufacturing iron-silicon material and Mu-90 iron-silicon magnetic powder core | |
| CN104036842A (en) | Lead-free environmental-friendly circuit board conductive silver paste and preparation method thereof | |
| CN105575464A (en) | Organic solidification curing resistor slurry and preparation method thereof | |
| CN104078093A (en) | High-strength PCB conductive silver paste and preparing method thereof | |
| CN103996432A (en) | Easy-to-print circuit board silver paste and preparation method thereof | |
| CN101818023A (en) | High temperature-resistant heat-bonding enamelled wire paint and preparation method thereof | |
| CN104078096A (en) | Low-cost printed circuit board silver paste and preparation method thereof | |
| CN103413591B (en) | A kind of paster fuse fuse-link electric slurry and preparation method thereof | |
| CN104797016A (en) | Inorganic non-metal semiconductor far infrared electric heating film material and preparation process thereof | |
| CN106700498A (en) | Thermoplastic resin composition and adhesive prepared from same, insulation adhesive film used for laminated bus bar and preparation method of insulation adhesive film | |
| CN108793823A (en) | A kind of roadmarking hot-melt coating | |
| CN109448885A (en) | A kind of YH21CT stainless steel thick film circuit resistance slurry and preparation method thereof | |
| CN106065266A (en) | A kind of microwave oven external surface heat resistant powder coating and preparation method thereof | |
| CN108231393A (en) | A kind of preparation method of high magnetic permeability iron nickel magnetic core | |
| CN104143377A (en) | PCB conductive silver paste and preparing method thereof | |
| CN106636800A (en) | Magnesium aluminum alloy material and processing technique thereof | |
| CN106653222B (en) | A kind of processing method that bus insulation is fire-retardant | |
| CN104289829B (en) | A kind of transformer lead pin scaling powder | |
| CN103996425A (en) | Nanometer carbon-containing circuit board conductive silver paste and preparation method thereof | |
| CN104341109A (en) | Preparation method of blade fuse arc-suppression slurry | |
| CN103996434A (en) | Low-silver printed circuit board silver paste and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 Termination date: 20211109 |