CN106384621A - Frequency-variable enameled flat wire for electric car - Google Patents

Frequency-variable enameled flat wire for electric car Download PDF

Info

Publication number
CN106384621A
CN106384621A CN201611043371.3A CN201611043371A CN106384621A CN 106384621 A CN106384621 A CN 106384621A CN 201611043371 A CN201611043371 A CN 201611043371A CN 106384621 A CN106384621 A CN 106384621A
Authority
CN
China
Prior art keywords
paint film
metal
oxide
conductor
polyester
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.)
Pending
Application number
CN201611043371.3A
Other languages
Chinese (zh)
Inventor
陈曦
郑颖
肖先雄
陈友明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Logical Greatly Dynamo-Electric Co Ltd In Jiangsu
Original Assignee
Logical Greatly Dynamo-Electric Co Ltd In Jiangsu
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Logical Greatly Dynamo-Electric Co Ltd In Jiangsu filed Critical Logical Greatly Dynamo-Electric Co Ltd In Jiangsu
Priority to CN201611043371.3A priority Critical patent/CN106384621A/en
Publication of CN106384621A publication Critical patent/CN106384621A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00Power cables
    • H01B9/02Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
    • H01B9/021Features relating to screening tape per se
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00Nanotechnology for materials or surface science, e.g. nanocomposites
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06Insulating conductors or cables
    • H01B13/16Insulating conductors or cables by passing through or dipping in a liquid bath; by spraying
    • H01B13/165Insulating conductors or cables by passing through or dipping in a liquid bath; by spraying by spraying
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/08Flat or ribbon cables
    • H01B7/0861Flat or ribbon cables comprising one or more screens
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather

Abstract

The invention discloses a frequency-variable enameled flat wire for an electric car. The frequency-variable enamelled flat wire comprises a conductor, and the outer surface of the conductor is sequentially coated with a polyester imine paint film, a metal oxide polyamideimide paint film, nano metal oxide particles, a glass layer and a plastic layer from the internal to the external, wherein the polyester imine paint film and the metal oxide polyamideimide paint film are obtained by modifying inorganic nano-metal oxide and organic chemically bonded complexation metribuzin by use of polarization technology, the polyester imine paint film and the metal oxide polyamideimide paint film all contain a plurality of chemically bonded nano metal oxide particles, which are encircled to form a paint film with metal oxides, and the glass layer is filled with netted glass fibers. The frequency-variable enameled flat wire can resist high frequency spike voltage, and the enameled flat wire can work in a high temperature environment with a temperature of about 200 DEG C for a long time. The production process is simple, and the structure is reasonable. The frequency-variable enameled flat wire can be used as an insulated winding wire for frequency-variable and high-efficiency motors such as electric car driving motor.

Description

A kind of frequency conversion enameled sheet wire used for electric vehicle
Technical field
The present invention relates to enamel-covered wire technical field, specially a kind of frequency conversion enameled sheet wire used for electric vehicle.
Background technology
With social development, energy demand is continuously increased, promotes Devoting Major Efforts To Developing and the application of new-energy automobile, bag Include pure electric automobile and plug-in hybrid-power automobile.New-energy automobile need to be substituted using Motor drive or part replacing fuel oil is sent out The power supply of motivation.Driving motor for electric automobile is the essential core part of electric automobile, in order to improve F-Zero, motor Should there are higher instantaneous power and power density(W/kg);In order to improve 1 charging operating range, motor should have very high effect Rate;And electric automobile is speed change work, so motor should have higher high low speed overall efficiency.Therefore new-energy automobile drives The features such as galvanic electricity is confidential to seek the small volume of motor, lightweight and power density is high.Traditional motor uses frequency conversion enamel-cover to justify Line as the major insulation of winding, the efficiency of the motor to a certain degree improving, but volume and power density can not meet electric automobile The requirement that motor constantly develops, a kind of high copper factor of needs, the frequency conversion motor that volume is less, weight is lighter.
Existing solution has at present:1st, common polyamidoimide complex polyester imines enameled sheet wire, meets resistance to Pressure is required with technique productions, but can not resist high-frequency pulse voltage;2nd, female in the additional stratus of enamel-covered wire, Muscovitum pulse voltage Play certain cushioning effect, but copper factor degradation, the volume increasing of motor;3rd, adulterate in wire enamel inorganic material Material -- can not stablize compatible, mechanical performance declines, stretching rear stability is poor, the R angle coating of lenticular wire is uneven, anti-high-frequency impulse Spread of voltage is it is impossible to meet electric automobile frequency conversion motor service life and demand for security.
Content of the invention
(One)The technical problem solving
For the deficiencies in the prior art, the invention provides a kind of frequency conversion enameled sheet wire used for electric vehicle, solve enameled sheet wire Anti- high-frequency pulse voltage ability problem that is strong and increasing frequency conversion motor service life.
(Two)Technical scheme
For achieving the above object, the present invention provides following technical scheme:A kind of frequency conversion enameled sheet wire used for electric vehicle, including leading Body, the outer surface of described conductor be enclosed with successively from inside to outside polyester-imide paint film, metal-oxide polyamidoimide paint film, Metal oxide nano particles, glassy layer and plastic layer, polyester-imide paint film and metal-oxide polyamidoimide paint film are Prepared by inorganic nano metal-oxide and an organic chemical bond complexation match gram modification using Polarization technique, polyester-imide paint film With in metal-oxide polyamidoimide paint film all containing some metal oxide nano particles with chemical bonds, some Metal oxide nano particles, around the paint film being formed with metal-oxide, are filled with the webbed glass of braiding in glassy layer Fiber, the mesh gap of glass fiber mesh is 0. 1 millimeters, is filled with some groups of plastic balls in plastic layer, and plastic ball is lived Dynamic setting.
Preferably, described conductor is copper conductor.
Preferably, described conductor is aluminium conductor.
Preferably, a kind of frequency conversion enameled sheet wire used for electric vehicle, its processing technology comprises the following steps:
S1, initially with Polarization technique by inorganic nano metal-oxide and organic chemical bond complexation match a gram modification contain thus making There are some polyester-imide paint and metal-oxide polyamidoimides forming metal oxide nano particles with chemical bonds Paint;
S2, first in the conductor of naked shape(1)Surface spraying polyester-imide paint, by conductor after spraying(1)It is placed on 130 DEG C about of temperature Bakeed so that the conductor of naked shape under degree(1)Surface forms polyester-imide paint film(2), then leading of polyester-imide paint will be sprayed with Body(1)Carry out secondary spray painting, secondary spray painting is metal-oxide polyamidoimide paint, and spraying is again by conductor(1)It is placed on 130 DEG C about at a temperature of bakeed so that polyester-imide paint film(2)Outer surface be coated with metal-oxide polyamide acyl Imines paint film(3);
S3, by the conductor made in step S2(1)Carry out coat parcel process, by metal-oxide polyamidoimide paint film (3)Outer surface coat polymer binder, be then covered by the glassy layer of fiberglass braided one-tenth(5), and in glassy layer(5) Outer surface on coat polymer binder again, be then covered by plastic ball composition plastic layer(6), then conductor is entered Row ventilation dries up, thus making finished product take-up again.
(Three)Beneficial effect
The invention provides a kind of frequency conversion enameled sheet wire used for electric vehicle.Possesses following beneficial effect:
(1), the present invention passes through in polyester-imide paint film and metal-oxide polyamidoimide paint film containing with chemical bonds Metal oxide nano particles, and form the paint film with metal-oxide, high-frequency pulse voltage can be played with buffering and shield The effect of covering is it is ensured that insulation will not be aging it is ensured that frequency conversion motor efficiently runs for a long time under high-frequency pulse voltage impact.
(2), the present invention pass through glassy layer and plastic layer cooperation, reach absorb overflow electric arc and carry out decentralized processing, increase The reactance voltage impact of big enameled sheet wire.
(3), the present invention tool opposing high frequency spikes voltage, the high temperature ring that enameled sheet wire can be 200 DEG C about in temperature for a long time Work under border, simple production process, rational in infrastructure, can be used as the insulation of the frequency-variable efficient motor such as driving motor for electric automobile etc. around Group line.
Brief description
Fig. 1 is present configuration schematic diagram.
In figure:1 conductor, 2 polyester-imide paint films, 3 metal-oxide polyamidoimide paint films, 4 nano-metal-oxides Granule, 5 glassy layers, 6 plastic layers.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work Embodiment, broadly falls into the scope of protection of the invention.
As shown in figure 1, the present invention provides a kind of technical scheme:A kind of frequency conversion enameled sheet wire used for electric vehicle, including conductor 1, the outer surface of conductor 1 is enclosed with polyester-imide paint film 2, metal-oxide polyamidoimide paint film 3 from inside to outside successively, receives Rice metal oxide particle 4, glassy layer 5 and plastic layer 6, polyester-imide paint film 2 and metal-oxide polyamidoimide paint film 3 It is to be prepared by inorganic nano metal-oxide and an organic chemical bond complexation match gram modification using Polarization technique, polyester-imide paint All containing some metal oxide nano particles with chemical bonds in film 2 and metal-oxide polyamidoimide paint film 3 4, some metal oxide nano particles 4, around the paint film being formed with metal-oxide, are filled with glassy layer 5 and are woven into net The glass fibre of shape, the mesh gap of glass fiber mesh is 0. 1 millimeters, is filled with some groups of plastic balls in plastic layer 6, Plastic ball activity setting, and conductor 1, polyester-imide paint film 2, metal-oxide polyamidoimide paint film 3, nano metal The frequency conversion line that oxide particle 4, glassy layer 5 and plastic layer 6 are constituted is lenticular wire, in conjunction with figure layer characteristic and production technology obtain pre- Meter effect.
A kind of frequency conversion enameled sheet wire used for electric vehicle, its processing technology comprises the following steps:
S1, initially with Polarization technique by inorganic nano metal-oxide and organic chemical bond complexation match a gram modification contain thus making There are some polyester-imide paint and metal-oxide polyamidoimides forming metal oxide nano particles with chemical bonds Paint;
S2, first in the conductor of naked shape(1)Surface spraying polyester-imide paint, by conductor after spraying(1)It is placed on 130 DEG C about of temperature Bakeed so that the conductor of naked shape under degree(1)Surface forms polyester-imide paint film(2), then leading of polyester-imide paint will be sprayed with Body(1)Carry out secondary spray painting, secondary spray painting is metal-oxide polyamidoimide paint, and spraying is again by conductor(1)It is placed on 130 DEG C about at a temperature of bakeed so that polyester-imide paint film(2)Outer surface be coated with metal-oxide polyamide acyl Imines paint film(3);
S3, by the conductor made in step S2(1)Carry out coat parcel process, by metal-oxide polyamidoimide paint film (3)Outer surface coat polymer binder, be then covered by the glassy layer of fiberglass braided one-tenth(5), and in glassy layer(5) Outer surface on coat polymer binder again, be then covered by plastic ball composition plastic layer(6), then conductor is entered Row ventilation dries up, thus making finished product take-up again.
Embodiment one
Conductor 1 is copper round wire, and prime paint is 50% polyester-imide paint film 2, and finish paint is 50% polyamidoimide paint film 3, and polyester is sub- All containing some nano-metal-oxides with chemical bonds in amine paint film 2 and metal-oxide polyamidoimide paint film 3 Granule 4, some metal oxide nano particles 4, around the paint film being formed with metal-oxide, can rise to high-frequency pulse voltage To buffering and shielding action it is ensured that insulation will not be aging it is ensured that frequency conversion motor is efficiently permanent under high-frequency pulse voltage impact Run, and glassy layer 5 can absorb the electric arc of spilling, increase the reactance voltage impact of enameled sheet wire, and in plastic layer 6 Activeness plastic bubble, can not only absorb electric arc, reach the effect of reactance voltage impact, and due to sphere structure, increase suction Receive area, and carry out processing electric arc it can be ensured that frequency conversion motor efficiently runs for a long time in active procedure.
Embodiment two
Conductor 1 is copper round wire, and prime paint is 70% polyester-imide paint film 2, and finish paint is 30% polyamidoimide paint film 3, and polyester is sub- All containing some nano-metal-oxides with chemical bonds in amine paint film 2 and metal-oxide polyamidoimide paint film 3 Granule 4, some metal oxide nano particles 4, around the paint film being formed with metal-oxide, can rise to high-frequency pulse voltage To buffering and shielding action it is ensured that insulation will not be aging it is ensured that frequency conversion motor is efficiently permanent under high-frequency pulse voltage impact Run, and glassy layer 5 can absorb the electric arc of spilling, increase the reactance voltage impact of enameled sheet wire, and in plastic layer 6 Activeness plastic bubble, can not only absorb electric arc, reach the effect of reactance voltage impact, and due to sphere structure, increase suction Receive area, and carry out processing electric arc it can be ensured that frequency conversion motor efficiently runs for a long time in active procedure.
Embodiment three
Conductor 1 is aluminium round wire, and prime paint is 50% polyester-imide paint film 2, and finish paint is 50% polyamidoimide paint film 3, and polyester is sub- All containing some nano-metal-oxides with chemical bonds in amine paint film 2 and metal-oxide polyamidoimide paint film 3 Granule 4, some metal oxide nano particles 4, around the paint film being formed with metal-oxide, can rise to high-frequency pulse voltage To buffering and shielding action it is ensured that insulation will not be aging it is ensured that frequency conversion motor is efficiently permanent under high-frequency pulse voltage impact Run, and glassy layer 5 can absorb the electric arc of spilling, increase the reactance voltage impact of enameled sheet wire, and in plastic layer 6 Activeness plastic bubble, can not only absorb electric arc, reach the effect of reactance voltage impact, and due to sphere structure, increase suction Receive area, and carry out processing electric arc it can be ensured that frequency conversion motor efficiently runs for a long time in active procedure.
Example IV
Conductor 1 is aluminium round wire, and prime paint is 70% polyester-imide paint film 2, and finish paint is 30% polyamidoimide paint film 3, and polyester is sub- All containing some nano-metal-oxides with chemical bonds in amine paint film 2 and metal-oxide polyamidoimide paint film 3 Granule 4, some metal oxide nano particles 4, around the paint film being formed with metal-oxide, can rise to high-frequency pulse voltage To buffering and shielding action it is ensured that insulation will not be aging it is ensured that frequency conversion motor is efficiently permanent under high-frequency pulse voltage impact Run, and glassy layer 5 can absorb the electric arc of spilling, increase the reactance voltage impact of enameled sheet wire, and in plastic layer 6 Activeness plastic bubble, can not only absorb electric arc, reach the effect of reactance voltage impact, and due to sphere structure, increase suction Receive area, and carry out processing electric arc it can be ensured that frequency conversion motor efficiently runs for a long time in active procedure.
The enamel-covered wire Inverter fed motor standard testing of the present invention:
Using standard it is:GB/T21707-2008(Frequency control special three-phase asynchronous electrical machine insulation specification)And GB/T14711- The requirement to frequency conversion line Inverter fed motor life-span for 2013 (middle-size and small-size electric rotating machine universal safety requires).
Test condition:Pulse frequency:20KHz;Pulse duty factor:50%;
Impulse waveform:Square;Pulse voltage(Vp-p):3KV;
Pulse polarity:Bipolar;Temperature:155±2℃.
Draw the electromagnetism life-span under different pulse rise times by test(Table 1).
Pulse rise time/ns 400 200 100
The electromagnetic wire life-span/h 60 20 12
The electromagnetism life-span under table 1 different pulse rise time.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible Understand and can carry out multiple changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention And modification, the scope of the present invention be defined by the appended.

Claims (4)

1. a kind of frequency conversion enameled sheet wire used for electric vehicle, including conductor(1)It is characterised in that:Described conductor(1)Outer surface by Interior and outer be enclosed with polyester-imide paint film successively(2), metal-oxide polyamidoimide paint film(3), nano-metal-oxide Granule(4), glassy layer(5)And plastic layer(6), thus making(3)Be using Polarization technique by inorganic nano metal-oxide and An organic chemical bond complexation match gram modification prepares, polyester-imide paint film(2)With metal-oxide polyamidoimide paint film(3) Inside all containing some metal oxide nano particles with chemical bonds(4), some metal oxide nano particles(4)Cincture Form the paint film with metal-oxide, glassy layer(5)Inside it is filled with the webbed glass fibre of braiding, the net of glass fiber mesh Interporal lacuna is 0. 1 millimeters, plastic layer(6)Inside it is filled with some groups of plastic balls, plastic ball activity setting.
2. a kind of frequency conversion enameled sheet wire used for electric vehicle according to claim 1 it is characterised in that:Described conductor(1)For Copper conductor.
3. a kind of frequency conversion enameled sheet wire used for electric vehicle according to claim 1 it is characterised in that:Described conductor(1)For Aluminium conductor.
4. a kind of frequency conversion enameled sheet wire used for electric vehicle according to claim 1 is it is characterised in that its processing technology includes Following steps:
S1, initially with Polarization technique by inorganic nano metal-oxide and organic chemical bond complexation match a gram modification contain thus making There are some polyester-imide paint and metal-oxide polyamidoimides forming metal oxide nano particles with chemical bonds Paint;
S2, first in the conductor of naked shape(1)Surface spraying polyester-imide paint, by conductor after spraying(1)It is placed on 130 DEG C about of temperature Bakeed so that the conductor of naked shape under degree(1)Surface forms polyester-imide paint film(2), then leading of polyester-imide paint will be sprayed with Body(1)Carry out secondary spray painting, secondary spray painting is metal-oxide polyamidoimide paint, and spraying is again by conductor(1)It is placed on 130 DEG C about at a temperature of bakeed so that polyester-imide paint film(2)Outer surface be coated with metal-oxide polyamide acyl Imines paint film(3);
S3, by the conductor made in step S2(1)Carry out coat parcel process, by metal-oxide polyamidoimide paint film (3)Outer surface coat polymer binder, be then covered by the glassy layer of fiberglass braided one-tenth(5), and in glassy layer(5) Outer surface on coat polymer binder again, be then covered by plastic ball composition plastic layer(6), then conductor is entered Row ventilation dries up, thus making finished product take-up again.
CN201611043371.3A 2016-11-24 2016-11-24 Frequency-variable enameled flat wire for electric car Pending CN106384621A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611043371.3A CN106384621A (en) 2016-11-24 2016-11-24 Frequency-variable enameled flat wire for electric car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611043371.3A CN106384621A (en) 2016-11-24 2016-11-24 Frequency-variable enameled flat wire for electric car

Publications (1)

Publication Number Publication Date
CN106384621A true CN106384621A (en) 2017-02-08

Family

ID=57957719

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611043371.3A Pending CN106384621A (en) 2016-11-24 2016-11-24 Frequency-variable enameled flat wire for electric car

Country Status (1)

Country Link
CN (1) CN106384621A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101640109A (en) * 2009-07-22 2010-02-03 无锡锡洲电磁线有限公司 Glass fiber tape film lapping aluminum circular transposition lead
CN201465636U (en) * 2009-04-30 2010-05-12 特变电工山东鲁能泰山电缆有限公司 Refractory composite insulated copper strand winding wire
CN204537723U (en) * 2015-04-01 2015-08-05 江苏大通机电有限公司 Two coating enamelled wire
CN204740886U (en) * 2015-05-22 2015-11-04 成都亨通光通信有限公司 Protection against rodents prevents light -duty layer stranded type optoelectrical composite cable of ant
CN105161168A (en) * 2015-07-21 2015-12-16 江苏大通机电有限公司 Variable-frequency varnished wire

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201465636U (en) * 2009-04-30 2010-05-12 特变电工山东鲁能泰山电缆有限公司 Refractory composite insulated copper strand winding wire
CN101640109A (en) * 2009-07-22 2010-02-03 无锡锡洲电磁线有限公司 Glass fiber tape film lapping aluminum circular transposition lead
CN204537723U (en) * 2015-04-01 2015-08-05 江苏大通机电有限公司 Two coating enamelled wire
CN204740886U (en) * 2015-05-22 2015-11-04 成都亨通光通信有限公司 Protection against rodents prevents light -duty layer stranded type optoelectrical composite cable of ant
CN105161168A (en) * 2015-07-21 2015-12-16 江苏大通机电有限公司 Variable-frequency varnished wire

Similar Documents

Publication Publication Date Title
CN101958158B (en) Method for preparing corona-resistant enameled wire and product
CN102034570B (en) Preparation method of glass fiber covered corona-resistant enameled rectangular wire
CN101824268B (en) Production method of nano composite modified insulating paint for enameled wire and high-performance nano composite enameled wire
CN103832033B (en) A kind of corona-resistant polyimide-perfluoroethylene-propylene laminated film and preparation method thereof
CN103400638A (en) Corona-resistant groove insulation material and preparation method thereof
CN101245212B (en) Method for producing electric corona resistant wire coating enamel with in situ polymerization method
CN105006285A (en) High-temperature-resistant ceramic electromagnetic wire
KR101665910B1 (en) Flat winding wire having corona resistance
CN106030727A (en) Conducting corona shielding paper, in particular for outer corona shielding
CN106384621A (en) Frequency-variable enameled flat wire for electric car
CN110563991A (en) silicone rubber anti-electromagnetic interference insulating cloth and preparation method thereof
CN206980996U (en) Electrostatic precipitator
CN105336451A (en) Autohension corona-resistant enamelled wire and preparation method thereof
CN206639610U (en) A kind of frequency conversion enameled sheet wire used for electric vehicle
CN109300618A (en) A kind of production technology of new-energy automobile hub motor enameled wire
CN203165519U (en) 200-lelvel self-adhesive composite polyester imide/polyamide imide enamelled round copper wire
CN104200877A (en) Composite dipping wire and production method thereof
CN204257238U (en) A kind of Special enameled wire
CN104637628A (en) Production technology of SPP water-resistant winding wire
CN203288270U (en) An anti-corona semi-conductor mica tape
CN111403093A (en) Control cable for smart home
CN205959641U (en) Corona -resistant lacquered wire for variable -frequency motor
CN207409287U (en) A kind of Inverter fed motor enameled wire
CN205038980U (en) Semiconduction polyester film and cable
CN202695026U (en) Double-sided polyester film mica foil

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170208

WD01 Invention patent application deemed withdrawn after publication