CN203522443U - Explosion-proof efficient ventilation system of electromotor - Google Patents
Explosion-proof efficient ventilation system of electromotor Download PDFInfo
- Publication number
- CN203522443U CN203522443U CN201320621653.2U CN201320621653U CN203522443U CN 203522443 U CN203522443 U CN 203522443U CN 201320621653 U CN201320621653 U CN 201320621653U CN 203522443 U CN203522443 U CN 203522443U
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- fan
- ventilation system
- shroud
- explosion
- efficient ventilation
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Abstract
The utility model relates to an explosion-proof efficient ventilation system of an electromotor. The explosion-proof efficient ventilation system comprises a rotation shaft, a fan, a fan cover, an air collector and a fan sleeve. The fan sleeve is arranged on the rotation shaft, the fan sleeve is fixedly connected and matched with the rotation shaft through a key, the fan cover is fixedly connected with the air collector through a first bolt and a first spring washer, and a balance block is connected to a front disc of the fan in a screw fastening mode. The explosion-proof efficient ventilation system has the advantages of being convenient to mount, low in cost, good in practicability, and the like. Influence factors of ventilation loss of the fan are researched, and the influence factors and, a motor temperature raising and motor electromagnetic design scheme are combined, on the premise of meeting temperature raising and insulation requirements, the best value of the air volume of the fan is worked out, the explosion-proof efficient ventilation system is used in cooperation with the fan cover, and efficiency of the electromotor is improved.
Description
Technical field
The utility model relates to a kind of high-efficient ventilation system of high voltage flameproof motor, and Large-scale High-Pressure efficient three-phase asynchronous motor especially adopts this ventilating system can reduce the mechanical loss of electrical motor fan, mentions the efficiency of motor.
Background technology
Along with increasingly sharpening of global energy crisis, motor is as the basis of drive unit.Further improving motor efficiency plays an important role to energy-saving and cost-reducing.For large-scale threephase asynchronous, mechanical loss is shared larger proportion in total losses, and we calculate according to theory, show that motor is at the best air quantity meeting under the prerequisite of temperature rise, then carries out actual verification, sums up.Finally, design the ventilating system of this high voltage flameproof motor, it has dropped to the mechanical loss of fan minimum, and fan housing is used in conjunction with and reached reasonable energy-saving effect, has improved the efficiency of motor.
Summary of the invention
The purpose of this utility model is the high-efficient ventilation system that is to provide a kind of flameproof motor, and this ventilating system is meeting under the prerequisite of temperature rise, insulating requirements, has drawn the optimum value of air quantity of fan, and is used in conjunction with fan housing, has improved the efficiency of motor.
The technical scheme providing according to the utility model, a kind of high-efficient ventilation system of flameproof motor comprises rotating shaft, fan, fan housing, wind collecting unit and fan cover; Provided with fan cover in rotating shaft is connected and is fixed with key between fan cover and rotating shaft; For fan housing and wind collecting unit, the first bolt, the first spring washer are connected and fixed; Balance weight is connected on the shroud of fan by screw fastening.
As further improvement of the utility model, described fan includes shroud, hub disk, fan leaf, and described shroud, hub disk, fan leaf are welded and fixed; Described shroud bottom is connected and fixed on fan and is put by the second bolt, the second spring washer.
As further improvement of the utility model, described hub disk front end shape triangular in shape, fan leaf upper end straight line portion is fixedly connected on the anterior leg-of-mutton top of hub disk.
As further improvement of the utility model, described shroud top is to the rear portion bending of fan cover, and the faying face of hub disk and described shroud is positioned at the outside of fan cover rear portion end face in the horizontal direction.
As further improvement of the utility model, described wind collecting unit is shaped as circular arc shaped.
The utlity model has the features such as easy for installation, cost is low, practicality is good; Studied the influencing factor of ventilation fan loss, and electric machine temperature rise and motor electromagnetic design be combined together, meeting under the prerequisite of temperature rise, insulating requirements, drawn the optimum value of air quantity of fan, and and fan housing be used in conjunction with, improved the efficiency of motor.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is fan structure generalized section of the present utility model.
Embodiment
Below in conjunction with concrete accompanying drawing, the utility model is described in further detail.
As Figure 1-Figure 2: the high-efficient ventilation system of described a kind of high voltage flameproof motor, comprises rotating shaft 1, the first bolt 2, the first spring washer 3, fan 4, key 5, fan housing 6, wind collecting unit 7, fan cover the 8, second bolt 9, the second spring washer 10, screw 11 and balance weight 12.
The utility model adopts provided with fan cover 8 in rotating shaft 1, between fan cover 8 and rotating shaft 1, with key 5, is connected and is fixed; Fan housing 6 is connected and fixed with wind collecting unit 7 use the first bolts 2, the first spring washer 3; Balance weight 12 is fastenedly connected on fan 4 shroud 4-1 by screw 11.
The center of described fan cover 8 offers connecting hole, and fan overlaps that 8 rear portion end faces are along the circumferential direction uniform arranges some fans 4, and described in each, fan 4 includes shroud 4-1, hub disk 4-2, fan leaf 4-3,
On described shroud 4-1, be fixedly installed balance weight 12, hub disk 4-2 front end shape triangular in shape, fan leaf 4-3 upper end straight line portion is fixedly connected on the anterior leg-of-mutton top of hub disk 4-2, fan leaf 4-3 lower end arc transition part is to extending away from hub disk 4-2 mono-side, in order to realize higher mechanical efficiency, conventionally 8 rear portion bendings are overlapped to fan in shroud 4-1 top, and the faying face of hub disk 4-2 and described shroud 4-1 is positioned at the outside that fan overlaps 8 rear portion end faces in the horizontal direction, for convenience of manufacturing quickly fan, fan 4 adopts welding procedure manufacture conventionally, , by shroud 4-1, hub disk 4-2, fan leaf 4-3 firm welding, described shroud 4-1 bottom is connected and fixed on fan cover 8 by the second bolt 9, the second spring washer 10, and balance weight 12 is fastenedly connected in shroud 4-1 is upper and is located corresponding to rear, hub disk 4-2 lower end by screw 11.
The utility model adopts a fan and a fan housing to coordinate a wind collecting unit to form a ventilating system; Adopt wind collecting unit and fan to be used in conjunction with, described wind collecting unit 7 is shaped as circular arc shaped.The wind that fan is produced has to be assembled and wind-guiding effect, reduces the mechanical loss that ventilates and produce.Fan is fixed in rotating shaft by key, along with rotating shaft rotation produces air quantity, by wind collecting unit and the external world, be communicated with, and fan housing is used in conjunction with and brushes motor outer surface, plays cooling effect.
Ventilating system described in the utility model combines according to the temperature rise of motor and electromagnetic scheme, chooses best air quantity, designs the high-efficient ventilation system that reduces fan mechanical loss, improves the efficiency of motor.Therefore, this ventilating system scope of application is larger, highly versatile, is the reasonable selection of high capacity motor ventilating system.
Claims (2)
1. a high-efficient ventilation system for flameproof motor, is characterized in that: comprise rotating shaft (1), fan (4), fan housing (6), wind collecting unit (7) and fan cover (8); The upper provided with fan cover (8) of described rotating shaft (1), is connected and is fixed with key (5) between described fan cover (8) and rotating shaft (1); Fan housing (6) is connected and fixed with the first bolt (2), the first spring washer (3) for wind collecting unit (7); Balance weight (12) is fastenedly connected on the shroud (4-1) of fan (4) by screw (11);
Described fan (4) includes shroud (4-1), hub disk (4-2), fan leaf (4-3), and described shroud (4-1), hub disk (4-2), fan leaf (4-3) are welded and fixed; Described shroud (4-1) bottom is connected and fixed on fan cover (8) by the second bolt (9), the second spring washer (10);
Described hub disk (4-2) front end shape triangular in shape, fan leaf (4-3) upper end straight line portion is fixedly connected on the anterior leg-of-mutton top of hub disk (4-2);
Described shroud (4-1) top is to the bending of fan cover (8) rear portion, and the faying face of hub disk (4-2) and described shroud (4-1) is positioned at the outside of fan cover (8) rear portion end face in the horizontal direction.
2. the high-efficient ventilation system of a kind of flameproof motor as claimed in claim 1, is characterized in that: described wind collecting unit (7) is shaped as circular arc shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320621653.2U CN203522443U (en) | 2013-10-09 | 2013-10-09 | Explosion-proof efficient ventilation system of electromotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320621653.2U CN203522443U (en) | 2013-10-09 | 2013-10-09 | Explosion-proof efficient ventilation system of electromotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203522443U true CN203522443U (en) | 2014-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320621653.2U Expired - Fee Related CN203522443U (en) | 2013-10-09 | 2013-10-09 | Explosion-proof efficient ventilation system of electromotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203522443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103516136A (en) * | 2013-10-09 | 2014-01-15 | 中达电机股份有限公司 | Explosion-proof efficient ventilation system of electromotor |
-
2013
- 2013-10-09 CN CN201320621653.2U patent/CN203522443U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103516136A (en) * | 2013-10-09 | 2014-01-15 | 中达电机股份有限公司 | Explosion-proof efficient ventilation system of electromotor |
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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: 20140402 Termination date: 20151009 |
|
| EXPY | Termination of patent right or utility model |