CN110391042A - A kind of copper conductor slurry and the preparation method and application thereof - Google Patents
A kind of copper conductor slurry and the preparation method and application thereof Download PDFInfo
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- CN110391042A CN110391042A CN201910662180.2A CN201910662180A CN110391042A CN 110391042 A CN110391042 A CN 110391042A CN 201910662180 A CN201910662180 A CN 201910662180A CN 110391042 A CN110391042 A CN 110391042A
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- copper
- copper conductor
- conductor slurry
- slurry
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C12/00—Powdered glass; Bead compositions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/14—Conductive material dispersed in non-conductive inorganic material
- H01B1/16—Conductive material dispersed in non-conductive inorganic material the conductive material comprising metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Spectroscopy & Molecular Physics (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
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- Organic Chemistry (AREA)
- Conductive Materials (AREA)
- Powder Metallurgy (AREA)
- Inorganic Insulating Materials (AREA)
Abstract
The present invention relates to a kind of rotor materials, and in particular to a kind of copper conductor slurry and the preparation method and application thereof belongs to motor technology field.Copper conductor slurry of the invention includes following components in percentage by weight: copper powder 70%~90%, glass powder 0~5%, organic carrier 5%~30%.The present invention provides a kind of new copper conductor slurry, lead that rotor electric conductivity is more preferable using copper conductor slurry of the invention as copper made from raw material, effectively increase copper and lead the quality of rotor, performance, and reduce energy consumption, material consumes.
Description
Technical field
The present invention relates to a kind of rotor materials, and in particular to a kind of copper conductor slurry and the preparation method and application thereof,
Belong to motor technology field.
Background technique
Traditional motor rotor is cast-aluminum rotor.For energy saving, the working efficiency of motor is improved, is had in recent years
People, which explores, is changed to copper casting rotor for cast-aluminum rotor, but copper casting rotor production difficulty is larger.
In the production process of copper casting rotor, the copper material melting stage will appear more bubble or copper liquid flowing short circuit, cause
Copper rotor cast-internal generates stomata, cinder hole or generation " hydrogen embrittlement " phenomenon, the performance quality of copper rotor is seriously affected, to influence
To the working effect of motor.It aoxidizes in order to prevent, someone took in the copper material melting stage, when temperature reaches 800 DEG C of Shi Xiangtong
Appropriate surface dopant, such as charcoal, alkali or borax are added in liquid, in order to solve mobility, when temperature reaches 1000 DEG C to
Suitable diluent, such as phosphor-copper are added in copper liquid, but in this way due to joined impurity in copper liquid, and leading for copper casting rotor can be reduced
Electrically, the working effect of motor is finally influenced, the later period is it is proposed that push copper casting rotor, energy consumption in vacuum semisolid
Again high, consumptive material is again big.
With the development of power electronic technique, computer technology and control theory, the application of motor is no longer limited to industry
Using the use scope of motor product expands to the fields such as business and housed device.Meanwhile with new material such as rare earth permanent magnet material
The appearance of material, magnetic composite, so that various novel, efficient, specific type of electric machines emerge one after another.The nearly more than ten years, due to international society
The attention degree of energy saving, environmental protection and sustainable development can be improved rapidly, production high efficiency motor has become global electricity
Machine industrial expansion direction.Currently, the side that world's electric manufacturing is just developing simultaneously from the universal product to general and dedicated specialities
To development, the variable-frequency motor of efficient, energy conservation, high-grade motor and electromechanical integration will have good market prospects.
Summary of the invention
It is an object of the invention to a kind of new copper conductor slurry and its system are provided in place of overcome the deficiencies in the prior art
Preparation Method and application, lead that rotor electric conductivity is more preferable, and quality is more preferably using copper made from copper conductor slurry of the present invention.
To achieve the above object, the technical scheme adopted by the invention is as follows:
In a first aspect, the present invention provides a kind of copper conductor slurries comprising following components in percentage by weight: copper powder
70%~90%, glass powder 0~5%, organic carrier 5%~30%.
The present invention provides a kind of new copper conductor slurries, are led and are turned as copper made from raw material using copper conductor slurry of the invention
Subconductivity is more preferable, effectively increases copper and leads the quality of rotor, performance, and reduces energy consumption, material consumption.
After glass powder is added in copper conductor slurry of the invention, when sintering copper conductor slurry into copper and leading rotor, it can reduce
Sintering temperature.If being added without glass powder, sintering temperature is 950-980 DEG C, and sintering temperature can be down to 800 after glass powder is added
℃。
As the preferred embodiment of copper conductor slurry of the present invention, the organic carrier includes organic solvent and dissolution
Organic resin in the organic solvent.
As the preferred embodiment of copper conductor slurry of the present invention, the organic solvent is alcohols, esters, aromatic hydrocarbon
At least one of class, ether solvent；The organic resin is methylcellulose, ethyl cellulose, acrylic resin, PVB tree
At least one of rouge.
As the preferred embodiment of copper conductor slurry of the present invention, the glass powder is in the copper conductor slurry
Weight percent is 1%~5%.
As the preferred embodiment of copper conductor slurry of the present invention, the glass powder includes following weight percentage
Component: ZnO 25~45%, BaO 10~15%, CaO 2~8%, SiO22~5%, B2O35~15%, Li2O 0.1~
8%, SrO 0.1~8%, MgO 0.1~8%, Na2O 0.1~8%, Al2O30.1~10%, Y2O30.1~10%,
Nb2O50.1~1.8%, ZrO 0.1~9%, NiO 0.1~5%, TiO22~8%, Fe2O31~8%, CuO 1~8%.
As the preferred embodiment of copper conductor slurry of the present invention, fineness≤15 μm of the copper conductor slurry
(at 90%).
Second aspect, the present invention provides the preparation methods of above-mentioned copper conductor slurry comprising following steps:
(1) copper powder and glass powder is added into organic carrier in proportion, is dispersed with stirring uniformly；
(2) grinding distribution obtains the copper conductor slurry to fineness≤15 μm of copper conductor slurry.
The preferred embodiment of preparation method as copper conductor slurry of the present invention, in the step (1), copper powder
Partial size is 0.05~15 μm；It is further comprising the steps of before the step (1): under 75~95 DEG C of water bath conditions, by organic tree
Rouge is dissolved in organic solvent, and organic carrier is made.
The third aspect, the present invention provides above-mentioned copper conductor slurries to lead application in rotor preparing copper.
Fourth aspect, the present invention provides a kind of copper to lead rotor, and the copper leads rotor and uses above-mentioned copper conductor slurry for original
Material is prepared.Copper of the invention leads rotor quality, performance more preferably.
Compared with prior art, the invention has the benefit that the present invention provides a kind of new copper conductor slurries, with this
The copper conductor slurry of invention is that copper made from raw material leads that rotor electric conductivity is more preferable, effectively increases copper and leads the quality of rotor, performance,
And reduce energy consumption, material consumption.
Specific embodiment
Purposes, technical schemes and advantages in order to better illustrate the present invention, below in conjunction with specific embodiment to the present invention
It is described further.
Embodiment 1
A kind of embodiment of copper conductor slurry of the present invention, the copper conductor slurry of the present embodiment by following weight percentage group
It is grouped as: copper powder 70%, organic carrier 30%；
Wherein, organic carrier is made of organic solvent and the organic resin being dissolved in the organic solvent, described organic
Solvent is ether solvent；The organic resin is methylcellulose；
Fineness≤15 μm of copper conductor slurry described in the present embodiment.
Copper conductor slurry described in the present embodiment the preparation method comprises the following steps:
(1) under 75~95 DEG C of water bath conditions, organic resin is dissolved in organic solvent, organic carrier is made；
(2) copper powder is added into organic carrier in proportion, either manually or mechanically stirs 30~60 minutes and is uniformly dispersed；The copper
The partial size of powder is 0.05 μm.
(3) it is obtained described using three-high mill or horizontal sand mill grinding distribution to fineness≤15 μm of copper conductor slurry
Copper conductor slurry.
The copper of the present embodiment lead rotor the preparation method comprises the following steps:
(a) silicon steel lamination is subjected to cleaning and demagnetization；
(b) the present embodiment copper conductor slurry is injected in the silicon steel lamination folded using injection process syringe；
(c) the silicon steel lamination of step (b) injection copper conductor slurry is placed in baking oven dry, dry temperature is 150 DEG C,
The dry time is 30 minutes；
(d) the dried silicon steel lamination of step (c) is sintered in sintering furnace under pure nitrogen gas protective atmosphere, is obtained
The copper leads rotor；The temperature of sintering is 950~980 DEG C, and the time of sintering is 45 minutes.
Embodiment 2
A kind of embodiment of copper conductor slurry of the present invention, the copper conductor slurry of the present embodiment by following weight percentage group
It is grouped as: copper powder 90%, glass powder 5%, organic carrier 5%；
Wherein, organic carrier is made of organic solvent and the organic resin being dissolved in the organic solvent, described organic
Solvent is alcohols solvent；The organic resin is ethyl cellulose；
The glass powder is grouped as by the group of following weight percentage: ZnO 45%, BaO 10%, CaO 2%, SiO2
5%, B2O315%, Li2O 0.1%, SrO 0.1%, MgO 8%, Na2O 0.1%, Al2O30.7%, Y2O30.1%,
Nb2O50.1%, ZrO 0.8%, NiO 3%, TiO28%, Fe2O31%, CuO 1%；
Fineness≤15 μm of copper conductor slurry described in the present embodiment.
Copper conductor slurry described in the present embodiment the preparation method comprises the following steps:
(1) under 75~95 DEG C of water bath conditions, organic resin is dissolved in organic solvent, organic carrier is made；
(2) copper powder and glass powder is added into organic carrier in proportion, it is equal either manually or mechanically to stir dispersion in 30~60 minutes
It is even；The partial size of the copper powder is 15.00 μm.
(3) it is obtained described using three-high mill or horizontal sand mill grinding distribution to fineness≤15 μm of copper conductor slurry
Copper conductor slurry.
The copper of the present embodiment lead rotor the preparation method comprises the following steps:
(a) silicon steel lamination is subjected to cleaning and demagnetization；
(b) the present embodiment copper conductor slurry is injected in the silicon steel lamination folded using injection process syringe；
(c) the silicon steel lamination of step (b) injection copper conductor slurry is placed in baking oven dry, dry temperature is 120 DEG C,
The dry time is 60 minutes；
(d) the dried silicon steel lamination of step (c) is sintered in sintering furnace under pure nitrogen gas protective atmosphere, is obtained
The copper leads rotor；The temperature of sintering is 800 DEG C, and the time of sintering is 30 minutes.
Embodiment 3
A kind of embodiment of copper conductor slurry of the present invention, the copper conductor slurry of the present embodiment by following weight percentage group
It is grouped as: copper powder 80%, glass powder 1%, organic carrier 19%；
Wherein, organic carrier is made of organic solvent and the organic resin being dissolved in the organic solvent, described organic
Solvent is esters solvent；The organic resin is acrylic resin；
The glass powder is grouped as by the group of following weight percentage: ZnO 26%, BaO 11%, CaO 2.5%, SiO2
2.5%, B2O36%, Li2O 2%, SrO 8%, MgO 0.1%, Na2O 0.9%, Al2O310%, Y2O310%, Nb2O5
1%, ZrO 9%, NiO 5%, TiO22%, Fe2O32%, CuO 2%；
Fineness≤15 μm of copper conductor slurry described in the present embodiment.
Copper conductor slurry described in the present embodiment the preparation method comprises the following steps:
(1) under 75~95 DEG C of water bath conditions, organic resin is dissolved in organic solvent, organic carrier is made；
(2) copper powder and glass powder is added into organic carrier in proportion, it is equal either manually or mechanically to stir dispersion in 30~60 minutes
It is even；The partial size of the copper powder is 10.00 μm.
(3) it is obtained described using three-high mill or horizontal sand mill grinding distribution to fineness≤15 μm of copper conductor slurry
Copper conductor slurry.
The copper of the present embodiment lead rotor the preparation method comprises the following steps:
(a) silicon steel lamination is subjected to cleaning and demagnetization；
(b) the present embodiment copper conductor slurry is injected in the silicon steel lamination folded using injection process syringe；
(c) the silicon steel lamination of step (b) injection copper conductor slurry is placed in baking oven dry, dry temperature is 135 DEG C,
The dry time is 45 minutes；
(d) the dried silicon steel lamination of step (c) is sintered in sintering furnace under pure nitrogen gas protective atmosphere, is obtained
The copper leads rotor；The temperature of sintering is 800 DEG C, and the time of sintering is 60 minutes.
Embodiment 4
A kind of embodiment of copper conductor slurry of the present invention, the copper conductor slurry of the present embodiment by following weight percentage group
It is grouped as: copper powder 70%, glass powder 2%, organic carrier 28%；
Wherein, organic carrier is made of organic solvent and the organic resin being dissolved in the organic solvent, described organic
Solvent is ether solvent；The organic resin is methylcellulose；
The glass powder is grouped as by the group of following weight percentage: ZnO 25%, BaO 15%, CaO 8%, SiO2
2%, B2O35%, Li2O 8%, SrO 5%, MgO 2%, Na2O 8%, Al2O30.1%, Y2O31.1%, Nb2O5
1.8%, ZrO 0.1%, NiO 0.1%, TiO22%, Fe2O38%, CuO 8%；
Fineness≤15 μm of copper conductor slurry described in the present embodiment.
Copper conductor slurry described in the present embodiment the preparation method comprises the following steps:
(1) under 75~95 DEG C of water bath conditions, organic resin is dissolved in organic solvent, organic carrier is made；
(2) copper powder and glass powder is added into organic carrier in proportion, it is equal either manually or mechanically to stir dispersion in 30~60 minutes
It is even；The partial size of the copper powder is 0.05 μm.
(3) it is obtained described using three-high mill or horizontal sand mill grinding distribution to fineness≤15 μm of copper conductor slurry
Copper conductor slurry.
The copper of the present embodiment lead rotor the preparation method comprises the following steps:
(a) silicon steel lamination is subjected to cleaning and demagnetization；
(b) the present embodiment copper conductor slurry is injected in the silicon steel lamination folded using injection process syringe；
(c) the silicon steel lamination of step (b) injection copper conductor slurry is placed in baking oven dry, dry temperature is 150 DEG C,
The dry time is 30 minutes；
(d) the dried silicon steel lamination of step (c) is sintered in sintering furnace under pure nitrogen gas protective atmosphere, is obtained
The copper leads rotor；The temperature of sintering is 800 DEG C, and the time of sintering is 45 minutes.
Effect example 1
This effect example has investigated the performance that copper described in Examples 1 to 4 leads rotor, as a result as described in Table 1.
Table 1
Seen from table 1, to lead rotor electric conductivity using copper conductor slurry of the invention as copper made from raw material more preferable, effectively improves
Copper leads the quality of rotor, performance, and reduces energy consumption, material consumption.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than protects to the present invention
The limitation of range is protected, although the invention is described in detail with reference to the preferred embodiments, those skilled in the art should
Understand, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the essence of technical solution of the present invention
And range.
Claims (10)
1. a kind of copper conductor slurry, which is characterized in that including following components in percentage by weight: copper powder 70%~90%, glass
Powder 0~5%, organic carrier 5%~30%.
2. copper conductor slurry as described in claim 1, which is characterized in that the organic carrier includes organic solvent and is dissolved in
Organic resin in the organic solvent.
3. copper conductor slurry as claimed in claim 2, which is characterized in that the organic solvent is alcohols, esters, aromatic hydrocarbon
At least one of class, ether solvent；The organic resin is methylcellulose, ethyl cellulose, acrylic resin, PVB tree
At least one of rouge.
4. copper conductor slurry as described in claim 1, which is characterized in that weight of the glass powder in the copper conductor slurry
Measuring percentage is 1%~5%.
5. copper conductor slurry as described in claim 1 or 4, which is characterized in that the glass powder includes following weight percentage
Component: ZnO 25~45%, BaO 10~15%, CaO 2~8%, SiO22~5%, B2O35~15%, Li2O 0.1
~8%, SrO 0.1~8%, MgO 0.1~8%, Na2O 0.1~8%, Al2O30.1~10%, Y2O30.1~10%,
Nb2O50.1~1.8%, ZrO 0.1~9%, NiO 0.1~5%, TiO22~8%, Fe2O31~8%, CuO 1~8%.
6. copper conductor slurry as described in claim 1, which is characterized in that fineness≤15 μm of the copper conductor slurry.
7. the preparation method of copper conductor slurry as described in any one of claim 1~6, which comprises the following steps:
(1) copper powder and glass powder is added into organic carrier in proportion, is dispersed with stirring uniformly；
(2) grinding distribution obtains the copper conductor slurry to fineness≤15 μm of copper conductor slurry.
8. the preparation method of copper conductor slurry as claimed in claim 7, which is characterized in that in the step (1), the grain of copper powder
Diameter is 0.05~15 μm；It is further comprising the steps of before the step (1): under 75~95 DEG C of water bath conditions, by organic resin
It is dissolved in organic solvent, organic carrier is made.
9. copper conductor slurry leads application in rotor preparing copper as described in any one of claim 1~6.
10. a kind of copper leads rotor, which is characterized in that the copper leads rotor using any one of the claim 1~6 copper conductor slurry
Material is prepared for raw material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910662180.2A CN110391042A (en) | 2019-07-22 | 2019-07-22 | A kind of copper conductor slurry and the preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910662180.2A CN110391042A (en) | 2019-07-22 | 2019-07-22 | A kind of copper conductor slurry and the preparation method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111763450A (en) * | 2020-05-21 | 2020-10-13 | 深圳市信维微电子有限公司 | Slurry for 5G dielectric waveguide filter and preparation method thereof |
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| CN107622809A (en) * | 2017-09-25 | 2018-01-23 | 江苏时瑞电子科技有限公司 | A kind of copper electrode paste and preparation method thereof |
| CN110021450A (en) * | 2019-04-17 | 2019-07-16 | 北京大学深圳研究生院 | A kind of lead-free glass powder being used to prepare silver paste of solar cells and its application |
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2019
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| CN101136261A (en) * | 2007-07-06 | 2008-03-05 | 广东风华高新科技股份有限公司 | Copper electrode slurry material and manufacturing method thereof |
| CN102263463A (en) * | 2010-05-24 | 2011-11-30 | 上海日立电器有限公司 | Preparation process of motor rotor |
| CN105225723A (en) * | 2015-10-26 | 2016-01-06 | 东莞市圣龙特电子科技有限公司 | A kind of copper electrocondution slurry and preparation method thereof |
| CN107622809A (en) * | 2017-09-25 | 2018-01-23 | 江苏时瑞电子科技有限公司 | A kind of copper electrode paste and preparation method thereof |
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Application publication date: 20191029 |