CN205959641U - Corona -resistant lacquered wire for variable -frequency motor - Google Patents
Corona -resistant lacquered wire for variable -frequency motor Download PDFInfo
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- CN205959641U CN205959641U CN201620973045.1U CN201620973045U CN205959641U CN 205959641 U CN205959641 U CN 205959641U CN 201620973045 U CN201620973045 U CN 201620973045U CN 205959641 U CN205959641 U CN 205959641U
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- enamelled coating
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- insulating barrier
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Abstract
The utility model discloses a corona -resistant lacquered wire for variable -frequency motor, including copper round wire (1), copper round wire (1) outer first insulation layer (2), second insulating layer (3) and third insulating layer (4) of being equipped with in proper order, first insulation layer (2) are equipped with between adjacent polyesterimide paint layer (21) metal oxide polyesterimide paint layer (22) including two -layer polyesterimide paint layer (21), second insulating layer (3) are including first shielding lacquer layer (31), titanium metallic shield lacquer layer (32), silicon metallic shield lacquer layer (33), antimony metallic shield lacquer layer (34), chromium metallic shield lacquer layer (35) and secondary shielding lacquer layer (36), third insulating layer (4) are equipped with metal oxide polyamidoimide lacquer layer (42) including two -layer polyamidoimide lacquer layer (41) between the adjacent polyamidoimide lacquer layer (41). The utility model has the characteristics of can bear higher pulse stress and extension inverter motor's life.
Description
Technical field
The utility model is related to a kind of enamel-covered wire, particularly a kind of corona-resistant lacquered wire for variable-frequency motor.
Background technology
In order to respond the energy-saving and emission-reduction that country advocates, because converter technique has preferable energy-saving effect, therefore obtain big
The development of power.But the high-frequency impulse pressure that existing variable-frequency motor produces is very big, and current variable-frequency motor employing is common
Enamel-cover line winding cannot bear high-frequency impulse pressure, leads to coiling group easily breakdown, thus shortening the service life of variable-frequency motor,
And enamel-covered wire is subject to high-frequency pulse voltage for a long time, the aging of insulating barrier, the service life of impact motor also can be accelerated.
Utility model content
The purpose of this utility model is, provides a kind of corona-resistant lacquered wire for variable-frequency motor.It has can bear relatively
The feature of the service life of high pulse and prolongation variable-frequency motor.
The technical solution of the utility model：Corona-resistant lacquered wire for variable-frequency motor, including copper round wire, sets outside copper round wire successively
There are the first insulating barrier, the second insulating barrier and the 3rd insulating barrier；Described first insulating barrier includes two layers polyester imines enamelled coating, adjacent
It is provided with metal oxide polyester-imide enamelled coating between polyester-imide enamelled coating；Described second insulating barrier includes the first shielding enamelled coating, titanium
Metallic shield enamelled coating, silicon metallic shield enamelled coating, antimony metal shielding enamelled coating, chromium metallic shield enamelled coating and secondary shielding enamelled coating；Described
3rd insulating barrier includes two-layer polyamidoimide enamelled coating, is provided with metal oxide polyamides between adjacent polyamidoimide enamelled coating
Amine acid imide enamelled coating.
In aforesaid corona-resistant lacquered wire for variable-frequency motor, described first insulating barrier, the second insulating barrier and the 3rd insulating barrier
The ratio of the thickness between three is 1:4:1.
In aforesaid corona-resistant lacquered wire for variable-frequency motor, it is provided with described first shielding enamelled coating and secondary shielding enamelled coating and receives
Rice metal oxide particle.
Compared with prior art, the utility model passes through in the first insulating barrier metal oxide polyester-imide enamelled coating, permissible
High-frequency pulse voltage through screen layer is shielded again, by arranging metal oxide polyamide in the 3rd insulating barrier
Acid imide enamelled coating, can slow down the impact to screen layer for the high-frequency pulse voltage, then shielded by the second insulating barrier, leading to
Cross the corona-resistance property that above-mentioned three kinds of measures can effectively improve enamel-covered wire, improve the ability of its anti-high-frequency pulse voltage；Pass through
Second insulating barrier is arranged to be made up of the screen layer that multilayer contains different metal, the shielding of metal can be utilized to greatest extent
Performance, improves its corona-resistance property；In addition, by arranging nano-metal-oxide in first screen layer and secondary shielding layer
Grain, using metal oxide nano particles with the characteristic of chemical bonds, formation is that the paint film with metal oxide has more
Strong corona-resistance property, can play more preferable buffering and shielding action, thus extending variable-frequency motor to high-frequency pulse voltage
Service life；By arranging above-mentioned paint film so that enamel-covered wire can bear high-frequency pulse voltage, slow down the aging speed of insulating barrier
Degree, extends the service life of variable-frequency motor.In sum, the utility model has and can bear higher pulse and prolong
The feature of the service life of long variable-frequency motor.
Brief description
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the configuration diagram of the first insulating barrier；
Fig. 3 is the structural representation of the second insulating barrier；
Fig. 4 is the structural representation of the 3rd insulating barrier.
Description of symbols in accompanying drawing：1- copper round wire, 2- first insulating barrier, 3- second insulating barrier, 4- the 3rd insulating barrier, 21-
Polyester-imide enamelled coating, 22- metal oxide polyester-imide enamelled coating, 31- first shields enamelled coating, and 32- titanium shields enamelled coating, 33-
Silicon metallic shield enamelled coating, 34- antimony metal shields enamelled coating, 35- chromium metallic shield enamelled coating, 36- secondary shielding enamelled coating, 41- polyamide
Acid imide enamelled coating, 42- metal oxide polyamidoimide enamelled coating, 5- metal oxide nano particles.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples, but limits not as to the utility model
Foundation.
Embodiment.Corona-resistant lacquered wire for variable-frequency motor, constitutes as shown in Figures 1 to 4, including copper round wire 1, copper round wire 1
It is sequentially provided with outward the first insulating barrier 2, the second insulating barrier 3 and the 3rd insulating barrier 4；It is sub- that described first insulating barrier 2 includes two layers polyester
Amine enamelled coating 21, is provided with metal oxide polyester-imide enamelled coating 22 between adjacent polyester-imide enamelled coating 21；Described second insulating barrier 3
Including the first shielding enamelled coating 31, titanium shielding enamelled coating 32, silicon metallic shield enamelled coating 33, antimony metal shielding enamelled coating 34, chromium metal
Shielding enamelled coating 35 and secondary shielding enamelled coating 36；Described 3rd insulating barrier 4 includes two-layer polyamidoimide enamelled coating 41, adjacent polyamides
It is provided with metal oxide polyamidoimide enamelled coating 42 between amine acid imide enamelled coating 41；Described first insulating barrier 2, the second insulating barrier
The ratio of the thickness between 3 and the 3rd insulating barrier 4 three is 1:4:1；Described first shielding enamelled coating 31 and secondary shielding enamelled coating 36
In be provided with metal oxide nano particles 5.
Described first shielding enamelled coating 31 and secondary shielding enamelled coating 36 refer to the polyester-imide paint of interior containing metal oxide；Titanium
Belong to that shielding enamelled coating 32 refers to comprise only the polyester-imide paint of titanium oxide, silicon metallic shield enamelled coating 33 refers to comprise only silicon gold
Belong to the polyester-imide paint of oxide, antimony metal shields enamelled coating 34 and refers to comprise only the polyester-imide paint of antimony metal oxide, chromium gold
Belong to shielding enamelled coating 35 and refer to comprise only the polyester-imide paint of chromium metal oxide.
Claims (2)
1. corona-resistant lacquered wire for variable-frequency motor it is characterised in that：It is sequentially provided with first including outside copper round wire (1), copper round wire (1)
Insulating barrier (2), the second insulating barrier (3) and the 3rd insulating barrier (4)；Described first insulating barrier (2) includes two layers polyester imines enamelled coating
(21) it is provided with metal oxide polyester-imide enamelled coating (22) between, adjacent polyester-imide enamelled coating (21)；Described second insulating barrier
(3) the first shielding enamelled coating (31), titanium shielding enamelled coating (32), silicon metallic shield enamelled coating (33), antimony metal shielding enamelled coating are included
(34), chromium metallic shield enamelled coating (35) and secondary shielding enamelled coating (36)；It is sub- that described 3rd insulating barrier (4) includes two-layer polyamide acyl
Amine enamelled coating (41), is provided with metal oxide polyamidoimide enamelled coating (42) between adjacent polyamidoimide enamelled coating (41).
2. corona-resistant lacquered wire for variable-frequency motor according to claim 1 it is characterised in that：Described first insulating barrier (2),
The ratio of the thickness between the second insulating barrier (3) and the 3rd insulating barrier (4) three is 1:4:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620973045.1U CN205959641U (en) | 2016-08-28 | 2016-08-28 | Corona -resistant lacquered wire for variable -frequency motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620973045.1U CN205959641U (en) | 2016-08-28 | 2016-08-28 | Corona -resistant lacquered wire for variable -frequency motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205959641U true CN205959641U (en) | 2017-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620973045.1U Active CN205959641U (en) | 2016-08-28 | 2016-08-28 | Corona -resistant lacquered wire for variable -frequency motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205959641U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106251955A (en) * | 2016-08-28 | 2016-12-21 | 浙江长城电工科技股份有限公司 | A kind of corona-resistant lacquered wire for variable-frequency motor |
-
2016
- 2016-08-28 CN CN201620973045.1U patent/CN205959641U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106251955A (en) * | 2016-08-28 | 2016-12-21 | 浙江长城电工科技股份有限公司 | A kind of corona-resistant lacquered wire for variable-frequency motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |