CN109411166A - A kind of alloy fled rheostat and its manufacturing method - Google Patents
A kind of alloy fled rheostat and its manufacturing method Download PDFInfo
- Publication number
- CN109411166A CN109411166A CN201811213121.9A CN201811213121A CN109411166A CN 109411166 A CN109411166 A CN 109411166A CN 201811213121 A CN201811213121 A CN 201811213121A CN 109411166 A CN109411166 A CN 109411166A
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- China
- Prior art keywords
- electrode
- resistive element
- alloy
- strip
- side wall
- Prior art date
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Links
- 239000000956 alloy Substances 0.000 title claims abstract description 44
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000003466 welding Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 19
- 239000007772 electrode material Substances 0.000 claims description 12
- 239000011241 protective layer Substances 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 238000007639 printing Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 229910018487 Ni—Cr Inorganic materials 0.000 claims description 4
- KMWBBMXGHHLDKL-UHFFFAOYSA-N [AlH3].[Si] Chemical compound [AlH3].[Si] KMWBBMXGHHLDKL-UHFFFAOYSA-N 0.000 claims description 4
- NWLCFADDJOPOQC-UHFFFAOYSA-N [Mn].[Cu].[Sn] Chemical compound [Mn].[Cu].[Sn] NWLCFADDJOPOQC-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 238000007747 plating Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 238000000465 moulding Methods 0.000 abstract description 3
- 239000007769 metal material Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 11
- 239000010408 film Substances 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
- H01C1/144—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors the terminals or tapping points being welded or soldered
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/22—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/28—Apparatus or processes specially adapted for manufacturing resistors adapted for applying terminals
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Apparatuses And Processes For Manufacturing Resistors (AREA)
Abstract
The present invention provides a kind of alloy fled rheostat and manufacturing method, the alloy fled rheostat includes the resistive element of strip, it is connected and fixed to the electrode at resistive element both ends, the electrode includes the side wall for being covered on resistive element end face, the roof to extend internally from sidewall upper, the bottom wall to extend internally from side wall lower ends, and the side wall, roof, bottom wall form U-shaped.Electrode is formed by the way of U-shaped metal material and alloy material assembly welding, controllability is high, and product stability is good；The electrode moulding mode of assembly welding is simple, can simplify the production procedure of product, improves production efficiency, reduces product cost；And do not generate plating pollution.
Description
Technical field
This application involves field of electrical components, especially resistor.
Background technique
Conventional alloys precision resistor two end electrodes are usually that barrel plating layers of copper and electronickelling tin layers technique is used to be formed.Patent
CN101118794B proposes the unilateral disconnection strip that electric resistance alloy band is struck out to demand, forms one by barrel plating or plating mode
Layer conductive layer forms protective layer using modes such as printings, finally produces alloy fled rheostat.The electrode conducting layer of the resistor
It is followed successively by layers of copper, nickel layer and tin layers outward by interior, in order to guarantee the stability of good solderability and resistor resistance value, copper coating
It must manage in certain thickness, cause the production cycle of product longer, production difficulty is high, adds somewhat to the production of product
Cost.It is separately polluted since electroplating effluent has environment, the processing of waste liquid also increases the cost of enterprise.
Summary of the invention
Goal of the invention: in view of the above-mentioned problems, the present invention provides a kind of alloy fled rheostat, the structure of the alloy fled rheostat is not required to
The mode of barrel plating layers of copper or plating is wanted to form electrode.
And in view of the above-mentioned problems, invention also provides the manufacturing methods of the alloy fled rheostat.
Technical solution: in order to achieve the above objectives, following technical solution can be used in alloy fled rheostat of the present invention:
A kind of alloy fled rheostat, the resistive element including strip are connected and fixed to the electrode at resistive element both ends, described
Electrode includes the side wall for being covered on resistive element end face, the roof to extend internally from sidewall upper, extends internally from side wall lower ends
Bottom wall, the roof is covered in the upper surface of resistive element, and bottom wall is covered in the lower surface of resistive element；The side wall, top
Wall, bottom wall form U-shaped.
The utility model has the advantages that the alloy fled rheostat is assembled in the both ends of resistive element using the electrode of U-shaped by close-fitting mode, no
It needs to form electrode by way of barrel plating layers of copper or plating.
Further, electrode is made of pure copper material.The upper surface and the lower surface of the resistive element is all covered with protection
Layer, the protective layer are paint vehicle or function epoxy resin.
And following technical scheme can be used in the manufacturing method of alloy fled rheostat provided by the invention:
A kind of manufacturing method manufacturing above-mentioned alloy fled rheostat, comprising the following steps:
A. electrode material is struck out into U-shaped；Resistance alloy material is struck out to the strip of desired size；
B., two U-shaped electrode materials are assembled in the both ends in resistance alloy material width direction by close-fitting mode；
C. U-shaped electrode material is connect with strip resistance alloy material by the way of welding, wherein welding position is being closed
The strip region of golden material and electrode material contacts；
D. strip band in step b is divided into single resistor by being stamped or cut out mode；
E. the resistance value of single resistor is modified by laser or mechanical system, reaches the Standard resistance range of requirement；
F. apply protective layer in resistive element upper and lower surface by way of spraying or printing.
The utility model has the advantages that compared with the existing technology, in the manufacturing method of the resistor, using U-shaped metal material and alloy material
The mode of material assembly welding forms electrode, and controllability is high, and product stability is good；The electrode moulding mode of assembly welding is simple, can
Simplify the production procedure of product, improve production efficiency, reduces product cost；Electrode is prepared relative to electroplating technology, this method is not
Generate plating pollution.
Further, resistance alloy material used can make the alloys such as copper-manganese tin, ferrum-chromium-aluminum or nickel chromium triangle aluminium silicon.Single resistance
Device surface coats oxidation-resistant material film.
Detailed description of the invention
Fig. 1 is the side view of alloy fled rheostat in the present invention；
Fig. 2 is the cross section of alloy fled rheostat in the present invention；
Fig. 3 is the one embodiment for manufacturing high-power precision resistor method.
Specific embodiment
Embodiment one
The present embodiment is the embodiment of alloy fled rheostat in the present invention
Incorporated by reference to shown in Fig. 1 and Fig. 2.The alloy fled rheostat 10 includes the resistive element 12 of strip, is connected and fixed to electricity
The electrode 11 at resistance element both ends.The electrode 11 includes the side wall 111 for being covered on 12 end face of resistive element, from 111 upper end of side wall
The roof 112 to extend internally, the bottom wall 113 to extend internally from 112 lower end of side wall, the roof 112 are covered in resistive element
Upper surface, bottom wall 113 are covered in the lower surface of resistive element；The side wall, roof, bottom wall form U-shaped.The electrode 11 is fine copper
Material is made.The upper surface and the lower surface of the resistive element 12 is all covered with protective layer, which is paint vehicle or functional ring
Oxygen resin.
Embodiment two
The present embodiment two is the embodiment of the manufacturing method of alloy fled rheostat in embodiment one.
Incorporated by reference to shown in Fig. 3, which includes the following steps:
A., electrode material is struck out to the U-shaped strip 11 of desired size, electrode used therein material can be fine copper.By alloy material
Material strikes out the strip 12 of desired size, and resistance alloy material used can make the alloys such as copper-manganese tin, ferrum-chromium-aluminum or nickel chromium triangle aluminium silicon,
As shown in Fig. 3 (a)；
B. two two U-shaped electrode materials 11 are assembled in by close-fitting mode in 12 width direction of resistance alloy material
End, as shown in Fig. 3 (b)；
C. U-shaped electrode material 11 is connect with strip resistance alloy material 12 by the way of welding, wherein welding position
In the strip region of alloy material and electrode material contacts, as shown in Fig. 3 (c)；
D. single resistor of demand size is divided by being stamped or cut out mode for strip band in i, such as Fig. 3 (d)
It is shown；
E. the resistance value of single resistor in j is modified by laser or mechanical system, reaches the Standard resistance range of requirement,
As shown in Fig. 3 (e)；
F. apply protective layer in electric resistance alloy upper and lower surface by way of spraying or printing, as shown in Fig. 3 (f).
As shown in Fig. 2, resistor 10 includes strip resistance element 12, U-shaped electrode 11 and is applied on resistive element 12
The protective layer 13 of lower surface.Resistive element 12 can be the conjunction of the low resistance temperature coefficients such as copper manganese tin, nickel chromium triangle aluminium silicon or ferrum-chromium-aluminum
Golden material, and material surface passes through roughening treatment (not shown), to increase the adhesive force of itself and electrode 11 and protective layer 13.Electrode
11 can be the lower pure copper material of resistivity, and 11 surface of electrode is by roughening (not shown), to increase itself and resistive element 12
Adhesive force.The mode of connection resistive element 12 and electrode 11 can be welding or other assembling modes.The material of protective layer can
Think paint vehicle or function epoxy resin, the applying mode of protective layer can be the protective layers molding mode such as printing, spraying.
10 surface of resistor can be coated with oxidation-resistant material film (not shown), to guarantee in preparation, preservation and processing
Protect the resistor not oxidized in the process.The oxidation barrier film material can be rosin, reactive resin class and azole
Deng.The oxidation barrier film material is applied to the surface of electrode.The oxidation barrier film material can by spraying, impregnate or
Other similar thin-film material general method applies.
The present invention implement the technical solution method and approach it is very much, the above is only preferred implementation of the invention
Mode.It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, also
Several improvement can be made, these improvement also should be regarded as protection scope of the present invention.Each composition portion being not known in the present embodiment
The available prior art is divided to be realized.
Claims (6)
1. a kind of alloy fled rheostat, the resistive element including strip are connected and fixed to the electrode at resistive element both ends, feature
Be: the electrode includes the side wall for being covered on resistive element end face, the roof to extend internally from sidewall upper, from side wall lower ends
The bottom wall to extend internally, the roof are covered in the upper surface of resistive element, and bottom wall is covered in the lower surface of resistive element；It is described
Side wall, roof, bottom wall form U-shaped.
2. alloy fled rheostat according to claim 1, it is characterised in that: electrode is made of pure copper material.
3. alloy fled rheostat according to claim 2, it is characterised in that: the upper surface and the lower surface of the resistive element is covered
It is stamped protective layer, which is paint vehicle or function epoxy resin.
4. a kind of manufacturing method of manufacture such as any one of claims 1 to 3 alloy fled rheostat, which is characterized in that including following
Step:
A. electrode material is struck out into U-shaped；Resistance alloy material is struck out to the strip of desired size；
B., two U-shaped electrode materials are assembled in the both ends in resistance alloy material width direction by close-fitting mode；
C. U-shaped electrode material is connect with strip resistance alloy material by the way of welding, wherein welding position is in alloy material
The strip region of material and electrode material contacts；
D. strip band in step b is divided into single resistor by being stamped or cut out mode；
E. the resistance value of single resistor is modified by laser or mechanical system, reaches the Standard resistance range of requirement；
F. apply protective layer in resistive element upper and lower surface by way of spraying or printing.
5. manufacturing method according to claim 4, it is characterised in that: resistance alloy material used can make copper-manganese tin,
The alloys such as ferrum-chromium-aluminum or nickel chromium triangle aluminium silicon.
6. manufacturing method according to claim 5, it is characterised in that: single resistor surface coating oxidation-resistant material is thin
Film.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811213121.9A CN109411166A (en) | 2018-10-18 | 2018-10-18 | A kind of alloy fled rheostat and its manufacturing method |
| PCT/CN2019/103469 WO2020078116A1 (en) | 2018-10-18 | 2019-08-30 | Alloy resistor and manufacturing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811213121.9A CN109411166A (en) | 2018-10-18 | 2018-10-18 | A kind of alloy fled rheostat and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109411166A true CN109411166A (en) | 2019-03-01 |
Family
ID=65467476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811213121.9A Pending CN109411166A (en) | 2018-10-18 | 2018-10-18 | A kind of alloy fled rheostat and its manufacturing method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109411166A (en) |
| WO (1) | WO2020078116A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020078116A1 (en) * | 2018-10-18 | 2020-04-23 | 南京萨特科技发展有限公司 | Alloy resistor and manufacturing method therefor |
| CN111926266A (en) * | 2020-08-14 | 2020-11-13 | 苏州利昇达电子科技有限公司 | Alloy resistor with strong anti-interference performance and manufacturing method thereof |
| CN116153602A (en) * | 2023-02-09 | 2023-05-23 | 深圳市业展电子有限公司 | Columnar resistor and production process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1542871A (en) * | 2003-04-28 | 2004-11-03 | 罗姆股份有限公司 | Chip resistor and method of manufacturing the same |
| CN1877753A (en) * | 2005-06-06 | 2006-12-13 | 余英梅 | Resistance and its manufacturing method |
| CN103165254A (en) * | 2011-12-16 | 2013-06-19 | 深圳市业展电子有限公司 | Manufacturing method of precision alloy sampling resistor |
| CN203300351U (en) * | 2013-06-19 | 2013-11-20 | 隆科电子(惠阳)有限公司 | Varistor device in shape of rectangular strip |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6420601A (en) * | 1987-07-16 | 1989-01-24 | Jgc Corp | Composit chip varister |
| CN101118794B (en) * | 2006-07-31 | 2010-11-10 | 信昌电子陶瓷股份有限公司 | Method for manufacturing high-precision alloy resistor |
| CN102436884A (en) * | 2011-09-15 | 2012-05-02 | 南京萨特科技发展有限公司 | Method for manufacturing alloy plate precision current sensing resistor |
| CN109411166A (en) * | 2018-10-18 | 2019-03-01 | 南京萨特科技发展有限公司 | A kind of alloy fled rheostat and its manufacturing method |
-
2018
- 2018-10-18 CN CN201811213121.9A patent/CN109411166A/en active Pending
-
2019
- 2019-08-30 WO PCT/CN2019/103469 patent/WO2020078116A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1542871A (en) * | 2003-04-28 | 2004-11-03 | 罗姆股份有限公司 | Chip resistor and method of manufacturing the same |
| CN1877753A (en) * | 2005-06-06 | 2006-12-13 | 余英梅 | Resistance and its manufacturing method |
| CN103165254A (en) * | 2011-12-16 | 2013-06-19 | 深圳市业展电子有限公司 | Manufacturing method of precision alloy sampling resistor |
| CN203300351U (en) * | 2013-06-19 | 2013-11-20 | 隆科电子(惠阳)有限公司 | Varistor device in shape of rectangular strip |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020078116A1 (en) * | 2018-10-18 | 2020-04-23 | 南京萨特科技发展有限公司 | Alloy resistor and manufacturing method therefor |
| CN111926266A (en) * | 2020-08-14 | 2020-11-13 | 苏州利昇达电子科技有限公司 | Alloy resistor with strong anti-interference performance and manufacturing method thereof |
| CN116153602A (en) * | 2023-02-09 | 2023-05-23 | 深圳市业展电子有限公司 | Columnar resistor and production process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020078116A1 (en) | 2020-04-23 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190301 |
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| RJ01 | Rejection of invention patent application after publication |