CN109390085A - Glass fiber packet F46 polyester-imide film sintering line and preparation method thereof - Google Patents
Glass fiber packet F46 polyester-imide film sintering line and preparation method thereof Download PDFInfo
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- CN109390085A CN109390085A CN201811343747.1A CN201811343747A CN109390085A CN 109390085 A CN109390085 A CN 109390085A CN 201811343747 A CN201811343747 A CN 201811343747A CN 109390085 A CN109390085 A CN 109390085A
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- polyester
- imide
- glass fiber
- coated
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- 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
- H01B13/06—Insulating conductors or cables
- H01B13/065—Insulating conductors with lacquers or enamels
-
- 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
- H01B13/06—Insulating conductors or cables
- H01B13/10—Insulating conductors or cables by longitudinal lapping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/08—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances quartz; glass; glass wool; slag wool; vitreous enamels
- H01B3/082—Wires with glass or glass wool
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/303—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups H01B3/38 or H01B3/302
- H01B3/306—Polyimides or polyesterimides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0225—Three or more layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0291—Disposition of insulation comprising two or more layers of insulation having different electrical properties
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The present invention relates to a kind of glass fiber packet F46 polyester-imide film sintering line and preparation method thereof, which includes the conductor of conducting wire, first layer is coated with F46 glue polyester-imide Transposed wind layer, the second layer is coated with F46 glue polyester-imide Transposed wind layer；It is opposite that its lapping direction with first layer is coated with F46 glue polyester-imide Transposed wind layer；The outside that the second layer is coated with F46 glue polyester-imide Transposed wind layer is equipped with first layer glass fiber wrapping layer, and is coated with insulated paint；Then it is equipped with second layer glass fiber wrapping layer, lapping direction and first layer glass fiber wrapping layer are on the contrary, and be coated with insulated paint.It is all 0.025 ㎜ that the production method of the sintering line, which includes: the thickness of polyester-imide film, polyester-imide thin dielectric film around packet form, every layer is all that 50% overlapping is wrapped, and the sintering temperature of F46 glue is at 250 DEG C -300 DEG C.The sintering cable architecture is simple, and production method is easy, enhances F46 imines film tightness degree wrapped on conductor, product quality is greatly improved in terms of oil resistant and dieletric strength.
Description
Technical field
The present invention relates to a kind of enameled wire and preparation method thereof, in particular to a kind of glass fiber packet F46 polyester-imide film
Sintering line and preparation method thereof.
Background technique
Currently, the winding wire that oil field latent oil pump motor uses, is " F, H " grade, oil field especially suitable for insulation temperature resistant grade
The winding conducting wire of the underground latent oil pump motor of deep-well and the winding conducting wire of high-voltage motor.
Oil-immersed pump and motor used in oil field are one of capital equipments of oil exploitation, due to oil-immersed pump and its motor
Among downhole petroleum and silt, the requirement to the winding wire of its motor is very strict for long-term work.Present use is F46 imines
Film sintering line, although substantially can satisfy the requirement of latent oil pump motor, there is certain quality problems, because this
The structure of conducting wire be it is double-deck close wrapped with applying F46 glue imines film using half lap packet mode and carrying out on the conductor of conducting wire, it is logical
It crosses oven or electric furnace baking is sintered.Since imines film is in wrapped closer of conductor, the quality of sintering is better；But
In process of production, most-often used technique is: first on lapping equipment to conductor with the imines film for being coated with F46 glue carry out around
It wraps, in take-up to Wire winding shaft；After completing wrapped, take-up, in order to carry out the sintering of insulating layer and conductor, needing will be wrapped on axis
Conducting wire, which unclamps, to be taken out, then being through on iron pipe for lopping is placed on baking rack, puts into and carries out baking sintering in oven.It must through this process
It so will affect film and the wrapped tightness degree of conductor, cause the hidden danger of conducting wire sintering quality.There are also another production methods, just
It is that high frequency furnace is installed on lapping equipment, lead conductor carries out after being coated with the imines Transposed wind of F46 glue, immediately enters high frequency
The high frequency coil of electric furnace, is incuded using frequency electromagnetic waves, so that conductor temp.-elevating is reached F46 gum softening and is bonded in imines film and is led
On body, it is sintered；Although this production method realizes wrapped and baking continuous production, but inevitably need to stop in producing
Machine, booting, high frequency furnace are also opened therewith, are stopped；The temperature of baking necessarily has very big fluctuation, just will have a direct impact on the sintering of conducting wire
Quality；Conducting wire leaves that high frequency coil temperature is also very high, and F46 adhesive force is small after baking simultaneously, imines Transposed wind it is close
Degree will change, to also influence whether the sintering quality of conducting wire.
Therefore it provides a kind of reasonable in design, performance safety is reliable, easy to use, easy to operate, work efficiency is high,
And the glass fiber packet F46 polyester-imide film sintering line and preparation method thereof that product quality is effectively ensured, it is field technology people
One of the problem of member should address.
Summary of the invention
It is an object of the present invention to overcome the above deficiencies, a kind of simple structure and reasonable design is provided, performance safety can
It leans on, is easy to operate, is at low cost, is quality, the glass fiber packet F46 polyester-imide film sintering line that work efficiency is high and its production side
Method.
The present invention is using technical solution to achieve the goals above: a kind of glass fiber packet F46 polyester-imide is film sintered
Line, it is characterised in that the sintering line includes that the conductor of conducting wire, first layer are coated with F46 glue polyester-imide Transposed wind layer, the second layer
It is coated with F46 glue polyester-imide Transposed wind layer；The second layer be coated with the lapping direction of F46 glue polyester-imide Transposed wind layer with
It is opposite that first layer is coated with F46 glue polyester-imide Transposed wind layer；The second layer is coated with F46 glue polyester-imide Transposed wind layer
Outside is equipped with first layer glass fiber wrapping layer, and is coated with insulated paint；Then second layer glass fiber wrapping layer, lapping direction are equipped with
With first layer glass fiber wrapping layer on the contrary, and being coated with insulated paint.
The glass fiber wrapping layer using after 160 glass fiber yarns 18 and silk around resultant yarn group.
A kind of production method of glass fiber packet F46 polyester-imide film sintering line, it is characterised in that the production method is specific
Steps are as follows:
Firstly, the polyester-imide film for being sintered glue with F46 is coated on the conductor of the conducting wire, the i.e. thickness of polyester-imide film are same
For 0.025 ㎜, polyester-imide thin dielectric film be every layer around packet form is all that 50% overlapping is wrapped；It is wrapped absolutely to carry out first layer
Edge layer, i.e. first layer are coated with F46 glue polyester-imide Transposed wind layer, same with being coated in the outside of first layer wrapping insulation layer
F46 is sintered glue polyester-imide Transposed wind, and wrapped direction and first layer are on the contrary, be made second layer wrapping insulation layer, i.e., second
Layer is coated with F46 glue polyester-imide Transposed wind layer；Complete double-layer films it is wrapped after, inductor (line that conducting wire passes through coreless induction furnace
Circle)；Part of the conducting wire in inductor (coil) is made conductor generate intensive induced electricity by the induction of high-frequency alternating magnetic field
Stream-vortex, and quickly it is converted into thermal energy；Conducting wire is sintered to form the wrapped sinter layer of double-layer polyester imines；F46 glue
Sintering temperature, by adjusting the knob on high frequency furnace, adjusts the output work of inductor (coil) in 250 DEG C -300 DEG C, production
Rate and frequency reach；According to the linear velocity of the sectional area of lead conductor and production, the output power of high frequency furnace is in 3kW-
It is adjusted within the scope of 10kW, frequency is in 50Hz-100Hz；Then, outside double-layer polyester imines Transposed wind sinter layer, i.e. conducting wire
Outermost layer carry out wrapped double glazing filament winding packet reversed each other, and apply the glass of 155 DEG C of heatproof (i.e. temperature resistant grade is H grades)
Silk-covered wire insulated paint；It is toasted with 260 DEG C -290 DEG C of temperature by electric oven, double glazing filament winding covering is made, i.e.,
One layer of glass fiber wrapping layer and second layer glass fiber wrapping layer；The wrapped sinter layer of double-layer polyester imines, is using two-sided painting
There is F46 glue polyester-imide film to carry out on round or rectangle copper, aluminium conductor with half lap packet mode double-deck wrapped；And pass through high frequency
Electric furnace is sintered, and for wrapping layer with a thickness of 0.24 ㎜, actual insulation thickness should be 0.12 ㎜；The glass fiber wrapping layer, i.e.,
Using, around resultant yarn group, external in polyester-imide Transposed wind layer carries out close pair after 160 glass fiber yarns 18 and silk
Layer wrapped glass fiber wrapping insulation layer reversed each other, and insulated paint baking is applied, glass fiber packet F46 polyester-imide film burning is made
Tie lines.
The beneficial effects of the present invention are: the sintering line can efficiently solve F46 imines film sintering line in wrapped and burning
The quality problems occurred during knot.Wrapped, two processes of sintering are utilized high frequency furnace by the distinctive structure design of the present invention
Electromagnetic induction effect, after the completion of double-layer polyester imines Transposed wind, immediately enters the sense of high frequency furnace on equipment production line
It answers in device (coil).Alternating magnetic field is generated around when passing through the alternating current of certain frequency in inductor, due to electromagnetic induction
It acting on the conductor of conducting wire and generates closed induced current-vortex, the high-density current in lead conductor is converted into thermal energy,
Sintering is carried out continuously to conductor and F46 glue polyester-imide film.High-frequency heating at present is to metal material heating efficiency highest, speed
Most fast and low consumption, environmental protection can start simultaneously with equipment in the production line, stop.In addition the double glazing filament winding coating of outer layer
Paint, enhances F46 imines film tightness degree wrapped on conductor, makes conducting wire imines Transposed wind during sintering
Tightness degree does not change, and product quality is greatly improved in terms of oil resistant and dieletric strength.The sintering cable architecture
Simply, rationally, production method is easy for design, swift to operate, stable and reliable for performance, at low cost, greatly strengthens F46 imines film
The wrapped tightness degree on conductor, product quality are greatly improved in terms of oil resistant and dieletric strength；It effectively improves
Working efficiency and product quality, application effect highly significant.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
In figure: the conductor of 1 conducting wire, 2 first layers are coated with F46 glue polyester-imide Transposed wind layer, and 3 second layers are coated with F46 glue polyester
Imines Transposed wind layer, 4 first layer glass fiber wrapping layers, 5 second layer glass fiber wrapping layers.
Specific embodiment
Below in conjunction with attached drawing and preferred embodiment, the specific embodiment, structure, feature provided according to the present invention is described in detail
It is as follows:
As shown in Figure 1, a kind of glass fiber packet F46 polyester-imide film sintering line, which includes the conductor 1, first of conducting wire
Layer is coated with F46 glue polyester-imide Transposed wind layer 2, the second layer is coated with F46 glue polyester-imide Transposed wind layer 3；The second layer
It is coated with the lapping direction of F46 glue polyester-imide Transposed wind layer 3 and first layer is coated with 2 phase of F46 glue polyester-imide Transposed wind layer
Instead；The outside that the second layer is coated with F46 glue polyester-imide Transposed wind layer 3 is equipped with first layer glass fiber wrapping layer 4, and is coated with
Insulated paint；Then it is equipped with second layer glass fiber wrapping layer 5, lapping direction is with first layer glass fiber wrapping layer 4 on the contrary, and being coated with
Insulated paint.
The glass fiber wrapping layer using after 160 glass fiber yarns 18 and silk around resultant yarn group.
Specific step is as follows for the production method of the glass fiber packet F46 polyester-imide film sintering line: firstly, the conducting wire
With the polyester-imide film for being coated with F46 sintering glue on conductor 1, the thickness of polyester-imide film is all 0.025 ㎜, and polyester-imide is thin
Film insulating layer around packet form, every layer is all that 50% overlapping is wrapped, carries out first layer wrapping insulation layer, i.e. first layer is coated with F46 glue
Polyester-imide Transposed wind layer 2, it is same to be sintered glue polyester-imide film with being coated with F46 in the outside of first layer wrapping insulation layer
Wrapped, wrapped direction and first layer is on the contrary, be made second layer wrapping insulation layer, i.e., it is thin to be coated with F46 glue polyester-imide for the second layer
Film wrapping layer 3；Complete double-layer films it is wrapped after, inductor (coil) that conducting wire passes through coreless induction furnace；Conducting wire is in inductor (line
Circle) in part so that conductor is generated intensive sense by the induction of high-frequency alternating magnetic field by the inductor (coil) of coreless induction furnace
Electric current-vortex is answered, and is quickly converted into thermal energy.Conducting wire is sintered to form the wrapped sinter layer of double-layer polyester imines；F46
The sintering temperature of glue, by adjusting the knob on high frequency furnace, adjusts the defeated of inductor (coil) in 250 DEG C -300 DEG C, production
Power and frequency reach out, and according to the linear velocity of the sectional area of lead conductor and production, the output power of high frequency furnace exists
It is adjusted within the scope of 3kW-10kW, frequency is in 50 Hz-100Hz, convenient and reliable operation.Then, in double-layer polyester imines Transposed wind
Outside sinter layer, i.e., the outermost layer of conducting wire carries out reversed wrapped double glazing filament winding packet each other and applies 155 DEG C of (i.e. heatproofs of heatproof
Grade be H grades) glass fiber covered wire paint, toasted with 260 DEG C -290 DEG C of temperature by electric oven, double glazing silk be made
Wrapping layer, i.e. first layer glass fiber wrapping layer 4 and second layer glass fiber wrapping layer 5.The wrapped sinter layer of double-layer polyester imines, is to make
With it is two-sided be coated with F46 glue polyester-imide film on round or rectangle copper, aluminium conductor with half lap packet mode and carry out bilayer it is wrapped, and
It is sintered by high frequency furnace, wrapping layer (refers to a thickness of 0.24 ㎜ and measures regulation insulation thickness=band insulated electric conductor by industry
Outer dimension-electric wire inner conductor size), that is the outer dimension for measuring having insulation conducting wire is the size of lead conductor
In addition the size of conductor two sides insulation, actual insulation with a thickness of survey calculation insulation thickness 1/2, actual insulation thickness should be
0.12㎜.The glass fiber wrapping layer using after 160 glass fiber yarns 18 and silk around resultant yarn group, polyester-imide film around
The external of covering carries out the closely double-deck wrapped glass fiber wrapping insulation layer reversed each other, and applies insulated paint baking, and glass is made
Glass silk packet F46 polyester-imide film sintering line.
Operation principles and feature of the invention: production F46 imines film sintering line two procedures are all to separate progress at present
, i.e., production process is first to carry out double-coating to have in F46 glue polyester-imide Transposed wind and take-up to spool, when sintering around
The line wrapped is taken off from spool to scatter, and puts on iron pipe and is put on the frame of oven and is sintered.Conducting wire is also in this process
F46 glue is not sintered not the breakage of colliding with glued together for easily causing conducting wire of conductor and polyester-imide film, it is bad around
The tightness degree of packet influences the quality of sintering, causes the hidden danger of wire quality.
The present invention is the polyester-imide film for being coated with F46 glue by two, carried out in a manner of half-stack package two layers it is wrapped and double
Layer, i.e. (internal layer and outer layer) wrapped contrary.F46 glue on film is solid states in room temperature；After the completion of wrapped, warp
The high frequency coil for crossing coreless induction furnace, when so that conductor is warming up to 250 DEG C -300 DEG C using the vortex that frequency electromagnetic waves generate in conductor,
F46 glue is set to become trie tackified from solid-state；Make between polyester-imide film and conductor and polyester-imide film through F46 glue bond
Integrally；After high frequency coil conducting wire carried out immediately also in the condition of high temperature first layer glass fiber it is wrapped, japanning；Then it carries out
With the second layer glass fiber reversed with first layer it is wrapped, japanning；Entering to dry furnace is toasted again, and the glass fiber packet F46 polyester is made
Imines film sintering line.Since the outer layer of the conducting wire has two layers of reversed wrapped glass fiber covering each other, polyester-imide is strengthened
The compactness of Transposed wind improves the sintering quality of glue, can effectively improve the quality of sintering line, to improve each of conducting wire
Item electric property；Make conducting wire that there is the performance of good proof voltage, oil resistant and silt, can satisfy high-voltage motor, electric appliance, especially
It is quality requirement of the oil field latent oil pump motor to winding wire, improves the performance of motor proof voltage level and oil resistant and silt.
Above-mentioned reference embodiment carries out the glass fiber packet F46 polyester-imide film sintering line and preparation method thereof detailed
Description, is illustrative without being restrictive；Therefore the change and modification in the case where not departing from present general inventive concept should belong to this
Within the protection scope of invention.
Claims (3)
1. a kind of glass fiber packet F46 polyester-imide film sintering line, it is characterised in that the sintering line includes the conductor of conducting wire, first
Layer is coated with F46 glue polyester-imide Transposed wind layer, the second layer is coated with F46 glue polyester-imide Transposed wind layer；The second layer applies
There is the lapping direction of F46 glue polyester-imide Transposed wind layer with first layer to be coated with F46 glue polyester-imide Transposed wind layer opposite；Institute
It states the second layer and is coated with the outside of F46 glue polyester-imide Transposed wind layer and be equipped with first layer glass fiber wrapping layer, and be coated with insulated paint；
Then it is equipped with second layer glass fiber wrapping layer, lapping direction and first layer glass fiber wrapping layer are on the contrary, and be coated with insulated paint.
2. glass fiber packet F46 polyester-imide film sintering line according to claim 1, it is characterised in that the glass fiber around
Covering using after 160 glass fiber yarns 18 and silk around resultant yarn group.
3. a kind of production method of glass fiber packet F46 polyester-imide film sintering line according to claim 1, feature exist
In the production method, specific step is as follows:
Firstly, the polyester-imide film for being sintered glue with F46 is coated on the conductor of the conducting wire, the i.e. thickness of polyester-imide film are same
For 0.025 ㎜, polyester-imide thin dielectric film be every layer around packet form is all that 50% overlapping is wrapped；It is wrapped absolutely to carry out first layer
Edge layer, i.e. first layer are coated with F46 glue polyester-imide Transposed wind layer, same with being coated in the outside of first layer wrapping insulation layer
F46 is sintered glue polyester-imide Transposed wind, and wrapped direction and first layer are on the contrary, be made second layer wrapping insulation layer, i.e., second
Layer is coated with F46 glue polyester-imide Transposed wind layer；Complete double-layer films it is wrapped after, inductor (line that conducting wire passes through coreless induction furnace
Circle)；Part of the conducting wire in inductor (coil) is made conductor generate intensive induced electricity by the induction of high-frequency alternating magnetic field
Stream-vortex, and quickly it is converted into thermal energy；Conducting wire is sintered to form the wrapped sinter layer of double-layer polyester imines；F46 glue
Sintering temperature, by adjusting the knob on high frequency furnace, adjusts the output work of inductor (coil) in 250 DEG C -300 DEG C, production
Rate and frequency reach；According to the linear velocity of the sectional area of lead conductor and production, the output power of high frequency furnace is in 3kW-
It is adjusted within the scope of 10kW, frequency is in 50Hz-100Hz；Then, outside double-layer polyester imines Transposed wind sinter layer, i.e. conducting wire
Outermost layer carry out wrapped double glazing filament winding packet reversed each other, and apply the glass of 155 DEG C of heatproof (i.e. temperature resistant grade is H grades)
Silk-covered wire insulated paint；It is toasted with 260 DEG C -290 DEG C of temperature by electric oven, double glazing filament winding covering is made, i.e.,
One layer of glass fiber wrapping layer and second layer glass fiber wrapping layer；The wrapped sinter layer of double-layer polyester imines, is using two-sided painting
There is F46 glue polyester-imide film to carry out on round or rectangle copper, aluminium conductor with half lap packet mode double-deck wrapped；And pass through high frequency
Electric furnace is sintered, and for wrapping layer with a thickness of 0.24 ㎜, actual insulation thickness should be 0.12 ㎜；The glass fiber wrapping layer, i.e.,
Using, around resultant yarn group, external in polyester-imide Transposed wind layer carries out close pair after 160 glass fiber yarns 18 and silk
Layer wrapped glass fiber wrapping insulation layer reversed each other, and insulated paint baking is applied, glass fiber packet F46 polyester-imide film burning is made
Tie lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811343747.1A CN109390085A (en) | 2018-11-13 | 2018-11-13 | Glass fiber packet F46 polyester-imide film sintering line and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811343747.1A CN109390085A (en) | 2018-11-13 | 2018-11-13 | Glass fiber packet F46 polyester-imide film sintering line and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109390085A true CN109390085A (en) | 2019-02-26 |
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ID=65428617
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811343747.1A Pending CN109390085A (en) | 2018-11-13 | 2018-11-13 | Glass fiber packet F46 polyester-imide film sintering line and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113823448A (en) * | 2021-10-09 | 2021-12-21 | 安徽聚虹电子有限公司 | Glass fiber-covered composite film lapped electromagnetic wire |
| CN116168883A (en) * | 2023-04-23 | 2023-05-26 | 河北国潜线缆有限责任公司 | Multilayer film-coated waterproof winding wire and preparation method thereof |
-
2018
- 2018-11-13 CN CN201811343747.1A patent/CN109390085A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113823448A (en) * | 2021-10-09 | 2021-12-21 | 安徽聚虹电子有限公司 | Glass fiber-covered composite film lapped electromagnetic wire |
| CN116168883A (en) * | 2023-04-23 | 2023-05-26 | 河北国潜线缆有限责任公司 | Multilayer film-coated waterproof winding wire and preparation method thereof |
| CN116168883B (en) * | 2023-04-23 | 2023-06-30 | 河北国潜线缆有限责任公司 | Multilayer film-coated waterproof winding wire and preparation method thereof |
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