CN203761182U - Ventilating device capable of lowering heat of large motor stator - Google Patents
Ventilating device capable of lowering heat of large motor stator Download PDFInfo
- Publication number
- CN203761182U CN203761182U CN201420156985.2U CN201420156985U CN203761182U CN 203761182 U CN203761182 U CN 203761182U CN 201420156985 U CN201420156985 U CN 201420156985U CN 203761182 U CN203761182 U CN 203761182U
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- China
- Prior art keywords
- motor
- rotor
- windshield
- groove ring
- wind
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- 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.)
- Expired - Lifetime
Links
- 238000009423 ventilation Methods 0.000 claims description 9
- 239000011152 fibreglass Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model discloses a ventilating device capable of lowering the heat of a large motor stator and belongs to the technical field of motors. The ventilating device comprises two wind shields symmetrically mounted at the air inlets at two ends of a motor. Each wind shield comprises a horn-mouth air pipe and a groove ring, wherein an inner tube is arranged in the inner hole of the groove ring, the large opening of the horn-mouth air pipe is connected with the groove ring, and a ventilating passage is reserved between the small opening of the horn-mouth air pipe and a motor rotor. The ventilating device further comprises two air outlets symmetrically formed in a motor shell. The air outlets are communicated with the gap between the motor stator and the motor rotor. An exhaust pipe is arranged at each air outlet. An exhaust fan is disposed in each exhaust pipe. Each wind shield reflects the wind discharged by a rotor wind wheel back to the gap between the motor stator and the motor rotor, wind utilization rate is increased, the temperature of the motor stator can be lowered to a normal value, motor service life is prolonged, and yield of an iron making blast furnace can be increased by 18%.
Description
Technical field
The utility model relates to technical field of motors.
Background technology
In summer, the large-size machine stator coil temperature of blast furnace air blast all, more than 125 DEG C, exceedes 135 DEG C sometimes, temperature exceedes 140 DEG C and reports to the police and stop, coil of stator of motor temperature exceedes the situation of 110 DEG C and often occurs, and exerting oneself of motor reduced, and impact is normally produced.According to design standard, the intake of the rotor wind wheel of this large-size machine, the heat producing under specified current/voltage condition of work with motor matches, and the air quantity of two ends rotor wind wheel can be taken away the heat that stator rotor produces, and can make motor under normal duty, heat up normally.In the time that raising, stator coil temperature detects, some discharges the air quantity that discovery rotor wind wheel produces, illustrate that air quantity does not enter motor internal completely, the air quantity that enters wind gap between rotor and stator is inadequate, can not take away the heat that stator rotor produces, stator coil temperature is raise.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of ventilation unit that reduces large-size machine stator heat, have prevent rotor wind wheel produce air quantity arrange outward, greatly improve the cooling capacity of large-size machine air intake, ensure that large-size machine exerts oneself normally, extend the motor feature in useful life.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of ventilation unit that reduces large-size machine stator heat, comprise that 2 symmetries are arranged on the windshield of motor two ends air inlet, and described windshield comprises horn mouth airduct and groove ring; The endoporus of groove ring is provided with inner core, and large mouthful of described horn mouth airduct is connected with groove ring, between the osculum of described horn mouth airduct and rotor, leaves air duct.
The further improvement that the utility model is done is: described horn mouth airduct comprises cone cylinder and straight tube, and the osculum of described cone cylinder is connected with straight tube; Described inner core is cylinder or cone cylinder.Described windshield is made of fiberglass, and the transverse width of windshield is between 180mm-220mm, and the maximum outside diameter of windshield is greater than the diameter 180mm-200mm of rotor wind wheel; Described straight tube is inserted windshield is arranged on to motor stator inner side from motor two ends air inlet respectively, and groove ring and inner core are between rotor wind wheel and motor two ends air inlet.Also comprise the air outlet being located on motor housing, described air outlet is connected with the wind gap between motor stator and rotor, and exhaust column is housed on air outlet.Described air outlet is 2 and is symmetrical arranged, and exhaust column is housed respectively on air outlet, is provided with ventilating fan in exhaust column.
The beneficial effect that adopts technique scheme to produce is: windshield reflects back into the outer row's of rotor wind wheel air quantity in the wind gap between motor stator and rotor, improve the utilance of wind, reduce the waste of wind, can make motor stator temperature drop to normal value, motor is exerted oneself and recover normal, greatly extended motor useful life.Adopt after the technical program, blast furnace output can improve 18%.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the structural representation of windshield;
Fig. 2 is that windshield and exhaust column are arranged on the structural representation on motor;
Fig. 3 is the A portion enlarged drawing in Fig. 2.
As shown in the figure: the wind gap between 1 ventilating fan, 2 exhaust columns, 3 air outlets, 4 motor housings, 5 motor stators, 6 rotors, 7 motor housings, 8 rotor wind wheels, 9 air inlets, 10 horn mouth airducts, 11 motor stators and rotor, 12 electric machine main shafts, 13 straight tubes, 14 cone cylinders, 15 groove rings, 16 inner cores, the transverse width W of 17 windshield, the maximum outside diameter D of 18 windshield.
Embodiment
Pair operation of the present utility model of contrast Fig. 1-3 is used step to be described further:
Reduce a ventilation unit for large-size machine stator heat, comprise that 2 symmetries are arranged on the windshield of motor two ends air inlet 9, described windshield comprises horn mouth airduct 10 and groove ring 15; The endoporus of groove ring 15 is provided with inner core 16, and large mouthful of described horn mouth airduct 10 is connected with groove ring 15, between the osculum of described horn mouth airduct 10 and rotor 6, leaves air duct.Described horn mouth airduct 10 comprises cone cylinder 14 and straight tube 13, and the osculum of described cone cylinder 14 is connected with straight tube 13; Described inner core 16 is cylinder or cone cylinder.Described windshield is made of fiberglass, and the transverse width 17 of windshield is between 180mm-220mm, and the maximum outside diameter 18 of windshield is greater than the diameter 180mm-200mm of rotor wind wheel 8; Described straight tube 13 is inserted windshield is arranged on to motor stator 5 inner sides from motor two ends air inlet 9 respectively, and groove ring 15 and inner core 16 are between rotor wind wheel 8 and motor two ends air inlet 9.Also comprise the air outlet 3 being located on motor housing 4, described air outlet 3 is connected with the wind gap 11 between motor stator and rotor, and exhaust column 2 is housed on air outlet 3.Described air outlet 3 is 2 and is symmetrical arranged, and exhaust column 2 is housed respectively on air outlet 3, is provided with ventilating fan 1 in exhaust column 2.After moving control portion 2350 Centrifugal Blast Furnace Blower adopt this scheme, as calculated, can make blast furnace output than increasing by 150 tons original every day, can increase production altogether 13800 tons 3 months summers.
Claims (5)
1. a ventilation unit that reduces large-size machine stator heat, is characterized in that: comprise that 2 symmetries are arranged on the windshield of motor two ends air inlets (9), described windshield comprises horn mouth airduct (10) and groove ring (15); The endoporus of groove ring (15) is provided with inner core (16), and large mouthful of described horn mouth airduct (10) is connected with groove ring (15), between the osculum of described horn mouth airduct (10) and rotor (6), leaves air duct.
2. a kind of ventilation unit that reduces large-size machine stator heat according to claim 1, is characterized in that: described horn mouth airduct (10) comprises cone cylinder (14) and straight tube (13), and the osculum of described cone cylinder (14) is connected with straight tube (13); Described inner core (16) is cylinder or cone cylinder.
3. a kind of ventilation unit that reduces large-size machine stator heat according to claim 2, it is characterized in that: described windshield fiberglass is made, the transverse width (17) of windshield is between 180mm-220mm, and the maximum outside diameter of windshield (18) is greater than the diameter 180mm-200mm of rotor wind wheel (8); Described straight tube (13) is inserted windshield is arranged on to motor stator (5) inner side from motor two ends air inlets (9) respectively, and groove ring (15) and inner core (16) are positioned between rotor wind wheel (8) and motor two ends air inlets (9).
4. according to a kind of ventilation unit that reduces large-size machine stator heat described in claim 1,2 or 3, it is characterized in that: also comprise the air outlet (3) being located on motor housing (4), described air outlet (3) is connected with the wind gap (11) between motor stator and rotor, and exhaust column (2) is housed on air outlet (3).
5. a kind of ventilation unit that reduces large-size machine stator heat according to claim 4, it is characterized in that: described air outlet (3) is 2 and is symmetrical arranged, exhaust column (2) is housed respectively on air outlet (3), in exhaust column (2), is provided with ventilating fan (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420156985.2U CN203761182U (en) | 2014-04-02 | 2014-04-02 | Ventilating device capable of lowering heat of large motor stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420156985.2U CN203761182U (en) | 2014-04-02 | 2014-04-02 | Ventilating device capable of lowering heat of large motor stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203761182U true CN203761182U (en) | 2014-08-06 |
Family
ID=51256417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420156985.2U Expired - Lifetime CN203761182U (en) | 2014-04-02 | 2014-04-02 | Ventilating device capable of lowering heat of large motor stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203761182U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103929006A (en) * | 2014-04-02 | 2014-07-16 | 新兴铸管股份有限公司 | Ventilation device reducing heat of large motor stator |
| CN105932815A (en) * | 2016-06-08 | 2016-09-07 | 湖州永盛机械铸造有限公司 | Motor shell |
| CN105958712A (en) * | 2016-06-08 | 2016-09-21 | 湖州永盛机械铸造有限公司 | Motor shell |
-
2014
- 2014-04-02 CN CN201420156985.2U patent/CN203761182U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103929006A (en) * | 2014-04-02 | 2014-07-16 | 新兴铸管股份有限公司 | Ventilation device reducing heat of large motor stator |
| CN105932815A (en) * | 2016-06-08 | 2016-09-07 | 湖州永盛机械铸造有限公司 | Motor shell |
| CN105958712A (en) * | 2016-06-08 | 2016-09-21 | 湖州永盛机械铸造有限公司 | Motor shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |
|
| CX01 | Expiry of patent term |