CN203788057U - Explosive-proof energy saving motor - Google Patents
Explosive-proof energy saving motor Download PDFInfo
- Publication number
- CN203788057U CN203788057U CN201420157864.XU CN201420157864U CN203788057U CN 203788057 U CN203788057 U CN 203788057U CN 201420157864 U CN201420157864 U CN 201420157864U CN 203788057 U CN203788057 U CN 203788057U
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- China
- Prior art keywords
- winding
- support
- stator core
- electric machine
- proof energy
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- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/136—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas explosion-proof
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model provides an explosive-proof energy saving motor. The explosive-proof energy saving motor comprises a support and an explosive-proof wiring box, wherein front and back ends of the support respectively have a front end cover and a back end cover, the front end cover is provided with a front bearing, the back end cover is provided with a back bearing, the explosive-proof wiring box is arranged on the support, a casting-aluminum rotor, a winding stator core, a cooling fan and a rotation shaft are further comprised, the winding stator core and the casting-aluminum rotor are mounted in the support, the winding stator core employs three types of winding modes which are respectively a sine winding mode, a single-double-layer winding mode for reducing higher harmonic and a short-distance winding mode, and length of an end portion of a winding is reduced to a maximum degree, the rotation shaft is mounted on the support end cover through a bearing and is in shaft hole heat sleeve connection with the casting-aluminum rotor, two ends of the rotation shaft respectively penetrate through the support, one end is a shaft penetrating end, and the other end is a fan end connected with the cooling fan. The explosive-proof energy saving motor reduces loss through the stator core, a rotor core, the stator winding and the backward-oblique cooling fan to improve motor efficiency.
Description
Technical field
The utility model relates to motor technology, particularly a kind of flame proof energy-saving electric machine technology.
Background technology
At present, 60 ~ 70% of energy resource consumption is that motor is used, play vital effect therefore improve the efficiency of motor to saving the energy, should advocate energetically raising electric efficiency, promote high efficiency motor exploitation and apply, promote motor industrial upgrading, improve motor efficiency level is the problem solving in a hurry at present comprehensively.Particularly under coal mine under rugged environment, higher to the requirement of motor, flame proof, energy-saving electric machine are the first-selections of colliery operation, on the basis of safety, efficient, energy-conservation, to reduce costs be the developing direction of electromechanics trade.
Utility model content
The purpose of this utility model is to provide a kind of flame proof energy-saving electric machine, solves the relatively low problem of conventional motors efficiency utilance.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
The utility model provides a kind of flame proof energy-saving electric machine, comprise support, explosion-proof connection box, respectively there are an end cap front end housing and rear end cap in support front and back end, front end housing is provided with fore bearing, rear end cap is provided with rear bearing, explosion-proof connection box is arranged on support, also comprise cast-aluminum rotor, there is winding stator core, cooling fan and rotating shaft, there are winding stator core and cast-aluminum rotor to be arranged in support, having winding stator core to adopt three kinds of winding configurations is respectively positive chorded winding, reduce single two layer winding and the short distance winding of high order harmonic component and reduce as far as possible winding overhang length, rotating shaft is arranged on support end cap by bearing, and be connected with the axis hole hot jacket of cast-aluminum rotor, support is stretched out respectively at rotating shaft two ends, one end is shaft extension end, the other end is that fan end is connected with cooling fan.
Further improvement of the utility model is: have the lengthening to some extent of the more general same specification of winding stator core, its punching adopts low-loss cold rolling silicon steel sheet to be overrided to form, and stator punching is 36 grooves.
Further improvement of the utility model is: the lengthening to some extent of the more general same specification of cast-aluminum rotor, and its punching adopts low-loss cold-reduced silicon sheet to be overrided to form, and rotor punching is 28 grooves.
Further improvement of the utility model is: having every phase stator coil of winding stator core is 6.
Further improvement of the utility model is: having the coil of winding stator core is concentric type unequal-turn winding, and pitch is respectively: 1 ~ 18,2 ~ 17,3 ~ 16, and mean pitch is 15, every circle number of turn is respectively: 12,33,50.
Further improvement of the utility model is: cooling fan adopts BI.
Further improvement of the utility model is: flame proof energy-saving electric machine is under coal mine.
The beneficial effects of the utility model: the utility model provides a kind of flame proof energy-saving electric machine, having winding stator core to adopt three kinds of winding configurations is respectively positive chorded winding, reduce single two layer winding and the short distance winding of high order harmonic component and reduce as far as possible winding overhang length, be conducive to like this slacken magnetic field harmonic wave, reduce as much as possible winding loss, raising electric efficiency reduces the wastage, stator-rotor iron core punching adopts low-loss cold-reduced silicon sheet punching to be overrided to form, and more conventional electric machine iron core is long, be conducive to reduce stator core iron loss, stator coil part adopts the single two layer winding that reduces high order harmonic component, short distance winding, and cooling fan adopts BI form, ensureing under the prerequisite of cooling air quantity, reduce draft loss, raising efficiency.
The utility model integrated explosion proof system structure, meets the requirement of explosion proof of the explosion-proof motor that GB specifies completely, reduces the method for loss by stator core, rotor core, stator winding and BI cooling fan thereof, improves electric efficiency.
Brief description of the drawings
Fig. 1 is motor perspective exploded view.
Fig. 2 is electric machine rotor punching schematic diagram.
Fig. 3 has winding stator core schematic diagram.
Wherein: 1-support, 2-explosion-proof connection box, 3-front end housing, 4-rear end cap, 5-cast-aluminum rotor, 6-cooling fan, 7-rotating shaft, 8-fore bearing, 9-rear bearing.
Embodiment
In order to deepen, to understanding of the present utility model, below in conjunction with drawings and Examples, the utility model to be described in further detail, the present embodiment, only for explaining the utility model, does not form and limits protection range of the present utility model.
Embodiment as Figure 1-3, the present embodiment provides a kind of flame proof energy-saving electric machine, comprise support 1, explosion-proof connection box 2, respectively there are an end cap front end housing 3 and rear end cap 4 in described support 1 front and back end, described front end housing 3 is provided with fore bearing 8, rear end cap 4 is provided with rear bearing 9, fore bearing is 3 series, rear bearing is 2 series, described explosion-proof connection box 2 is arranged on described support 1, also comprise cast-aluminum rotor 5, there is winding stator core, cooling fan 6 and rotating shaft 7, described have winding stator core and cast-aluminum rotor 5 to be arranged in support 1, described have winding stator core adopt three kinds of winding configurations be respectively positive chorded winding, reduce single two layer winding and the short distance winding of high order harmonic component and reduce as far as possible winding overhang length, every phase stator coil is 6, coil is concentric type unequal-turn winding, pitch is respectively: 1 ~ 18, 2 ~ 17, 3 ~ 16, mean pitch is 15, every circle number of turn is respectively: 12, 33, 50, described rotating shaft 7 is arranged on support end cap by bearing, and be connected with the axis hole hot jacket of cast-aluminum rotor 5, support 1 is stretched out respectively at described rotating shaft 7 two ends, one end is shaft extension end, the other end is that fan end is connected with cooling fan 6, described cooling fan 6 adopts BI, shaft extension end is output torque end, fan end is used for outer cooling fan is installed, the described lengthening to some extent that has the more general same specification of winding stator core, its punching adopts low-loss cold rolling silicon steel sheet to be overrided to form, stator punching is 36 grooves, the lengthening to some extent of described cast-aluminum rotor 5 more general same specifications, its punching adopts low-loss cold-reduced silicon sheet to be overrided to form, rotor punching is 28 grooves, described flame proof energy-saving electric machine is under coal mine.This example, through Theoretical Design and actual test, draws efficiency value: 90.1%, meet 2 grades of efficiency requirements in GB18613, and table 1 is electric machine theory design load.
Table 1
The utility model provides a kind of flame proof energy-saving electric machine, integrated explosion proof system structure meets the requirement of explosion proof of the explosion-proof motor that GB specifies completely, pass through stator core, rotor core, stator winding and BI cooling fan thereof reduce the method for loss, improve electric efficiency, having winding stator core to adopt three kinds of winding configurations is respectively positive chorded winding, reduce single two layer winding and the short distance winding of high order harmonic component and reduce as far as possible winding overhang length, be conducive to like this slacken magnetic field harmonic wave, reduce as much as possible winding loss, raising electric efficiency reduces the wastage, stator-rotor iron core punching adopts low-loss cold-reduced silicon sheet punching to be overrided to form, and more conventional electric machine iron core is long, be conducive to reduce stator core iron loss, stator coil part adopts the single two layer winding that reduces high order harmonic component, short distance winding, and cooling fan adopts BI form, ensureing under the prerequisite of cooling air quantity, reduce draft loss, raising efficiency.
Claims (7)
1. a flame proof energy-saving electric machine, comprise support (1), explosion-proof connection box (2), respectively there are an end cap front end housing (3) and rear end cap (4) in described support (1) front and back end, described front end housing (3) is provided with fore bearing (8), rear end cap (4) is provided with rear bearing (9), described explosion-proof connection box (2) is arranged on described support (1), it is characterized in that: also comprise cast-aluminum rotor (5), there is winding stator core, cooling fan (6) and rotating shaft (7), described have winding stator core and cast-aluminum rotor (5) to be arranged in support (1), described have winding stator core adopt three kinds of winding configurations be respectively positive chorded winding, reduce single two layer winding and the short distance winding of high order harmonic component and reduce as far as possible winding overhang length, described rotating shaft (7) is arranged on support end cap by bearing, and be connected with the axis hole hot jacket of cast-aluminum rotor (5), support (1) is stretched out respectively at described rotating shaft (7) two ends, one end is shaft extension end, the other end is that fan end is connected with cooling fan (6).
2. a kind of flame proof energy-saving electric machine according to claim 1, is characterized in that: described in have the lengthening to some extent of the more general same specification of winding stator core, its punching adopts low-loss cold rolling silicon steel sheet to be overrided to form, stator punching is 36 grooves.
3. a kind of flame proof energy-saving electric machine according to claim 1, is characterized in that: the lengthening to some extent of the more general same specification of described cast-aluminum rotor (5), and its punching adopts low-loss cold-reduced silicon sheet to be overrided to form, and rotor punching is 28 grooves.
4. a kind of flame proof energy-saving electric machine according to claim 1, is characterized in that: described in to have every phase stator coil of winding stator core be 6.
5. a kind of flame proof energy-saving electric machine according to claim 1, it is characterized in that: described in to have the coil of winding stator core be concentric type unequal-turn winding, pitch is respectively: 1 ~ 18,2 ~ 17,3 ~ 16, and mean pitch is 15, every circle number of turn is respectively: 12,33,50.
6. according to a kind of flame proof energy-saving electric machine described in any one in claim 1-5, it is characterized in that: described cooling fan (6) adopts BI.
7. a kind of flame proof energy-saving electric machine according to claim 6, is characterized in that: described flame proof energy-saving electric machine is under coal mine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420157864.XU CN203788057U (en) | 2014-04-02 | 2014-04-02 | Explosive-proof energy saving motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420157864.XU CN203788057U (en) | 2014-04-02 | 2014-04-02 | Explosive-proof energy saving motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203788057U true CN203788057U (en) | 2014-08-20 |
Family
ID=51324209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420157864.XU Expired - Fee Related CN203788057U (en) | 2014-04-02 | 2014-04-02 | Explosive-proof energy saving motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203788057U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787321A (en) * | 2016-12-30 | 2017-05-31 | 德清崎辉机械科技有限公司 | A kind of disc type submersible motor rotor |
| CN107086697A (en) * | 2017-06-21 | 2017-08-22 | 天津林元机械设备有限公司 | The New-type electric machine of mechanical loss is reduced by reducing seat No. |
| CN107947476A (en) * | 2017-11-30 | 2018-04-20 | 无锡市天运五金机电有限公司 | A kind of water cooled machine |
| CN109687615A (en) * | 2019-01-14 | 2019-04-26 | 浙江创新电机有限公司 | A kind of injection molding three-phase permanent-magnetic synchronous motors |
-
2014
- 2014-04-02 CN CN201420157864.XU patent/CN203788057U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787321A (en) * | 2016-12-30 | 2017-05-31 | 德清崎辉机械科技有限公司 | A kind of disc type submersible motor rotor |
| CN107086697A (en) * | 2017-06-21 | 2017-08-22 | 天津林元机械设备有限公司 | The New-type electric machine of mechanical loss is reduced by reducing seat No. |
| CN107086697B (en) * | 2017-06-21 | 2024-02-09 | 天津锦辰工程技术有限公司 | Novel motor capable of reducing mechanical loss by reducing base number |
| CN107947476A (en) * | 2017-11-30 | 2018-04-20 | 无锡市天运五金机电有限公司 | A kind of water cooled machine |
| CN109687615A (en) * | 2019-01-14 | 2019-04-26 | 浙江创新电机有限公司 | A kind of injection molding three-phase permanent-magnetic synchronous motors |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20160402 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |