CN201252447Y - Air-to-air cooler for motor - Google Patents
Air-to-air cooler for motor Download PDFInfo
- Publication number
- CN201252447Y CN201252447Y CNU2008201059498U CN200820105949U CN201252447Y CN 201252447 Y CN201252447 Y CN 201252447Y CN U2008201059498 U CNU2008201059498 U CN U2008201059498U CN 200820105949 U CN200820105949 U CN 200820105949U CN 201252447 Y CN201252447 Y CN 201252447Y
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- CN
- China
- Prior art keywords
- cooler
- air
- motor
- cooler casing
- diaphragm plate
- 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.)
- Expired - Lifetime
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model relates to a cooler for a motor, in particular to an air-to-air cooler for a motor, which solves the problems that a prior air-to-air cooler can not fully reduce temperature for a motor because of the defects of structure, thereby the motor capacity is limited by temperature rise level, and comprises a cooler shell, wherein wind guide ducts which are uniformly distributed are fixed in the cooler shell, diaphragm plates which are located on the upper portion of each wind guide duct is fixed on the cooler shell, the diaphragm plate is equipped with an air inlet and an air outlet which correspond to the position of an air inlet and an air outlet which are arranged on the bottom portion of the cooler shell, the inner wall of a top plate of the cooler shell is fixed with a drainage fan which is arranged on the upper portion of the air inlet on the diaphragm plate, and an inner air guide plate and an outer air guide plate are further arranged in the cooler shell. Through that the drainage fan, the diaphragm plate and the air guide plates are arranged in the air-to-air cooler, hot air in the inner portion of the motor is fully inhaled to the cooler, thereby strengthening the cycle of the hot air in the motor, greatly reducing the temperature rise of the motor, and overcoming the limit of the temperature rise of the motor for the motor capacity.
Description
Technical field
The utility model relates to the motor cooler, is specially a kind of hollow cooler for motor.
Background technology
Motor (as wind-driven generator) is fully to reduce temperature rise, is fixed with hollow cooler (as shown in Figure 1) on the top of motor.Existing hollow cooler comprises cooler casing, and the cooler casing bottom has air inlet and is positioned at the air outlet of air inlet both sides; The cooler casing internal fixation has uniform guide duct, one end of cooler casing is fixed with blower fan, the other end of cooler is horizontal air outlet, between air inlet and air outlet, be fixed with guide duct at cooler casing bottom surface inwall and cross dividing plate on it, this dividing plate is basic and guide duct is contour (being to keep the gap between dividing plate upper end and the cooler casing top board), is used to isolate air intake and air-out wind path.Distinguished and admirable each guide duct in housing that the blower fan of cooler casing one end produces flows and is discharged by housing other end air outlet.During use,, have air outlet corresponding and the corresponding air inlet in air outlet position bottom cooler casing that is positioned at the air outlet both sides at the support top of motor with the air inlet position of cooler casing bottom in order to match with hollow cooler; During the motor operation, its inner hot-air relies on the rotor rotation or relies on mounted fan on the machine shaft, enter cooler inside through the air outlet on the support, air inlet on the cooler casing, hot-air and guide duct surface heat exchange and lowering the temperature enters motor internal and forms the air flows of motor internal and realize the cooling of generator through the air outlet on the cooler casing, air inlet on the electric machine stand again.Because there is fault of construction in existing hollow cooler, only rely on the rotor rotation to realize flowing of air, the blast of generation is less, and air flows is not smooth, and cooling effect is relatively poor; Fan is installed on the machine shaft, though can increase blast to a certain extent, the blast that produces is still not enough, and cooling effect still is difficult to reach desirable requirement, and powerful fan is installed on the machine shaft can reduces generator efficiency.Wind-driven generator with 1.5MW is an example, and the wind-driven generator of this 1.5MW adopts existing hollow cooler, when rated power 1.5MW operating mode is moved, the stator winding temperature rise up to 95-105K about, generator capacity is subjected to the temperature rise horizontal constraints.
Summary of the invention
The utility model is in order to solve existing hollow cooler because fault of construction, can't realize fully cooling to motor, thereby capacity motor is subjected to the problem of temperature rise horizontal constraints, and a kind of hollow cooler for motor that improves structure, can fully lower the temperature to motor that has is provided.
The utility model is to adopt following technical scheme to realize: hollow cooler for motor, comprise cooler casing, the cooler casing bottom has air inlet and is positioned at the air outlet of air inlet both sides, the cooler casing internal fixation has uniform guide duct, the diaphragm plate that is positioned at each guide duct top is arranged at the cooler casing internal fixation, advancing on having on the diaphragm plate bottom cooler casing, what the air outlet position was relative advances, air outlet, at the drainage blower fan that is fixed with on the cooler casing top board inwall above the air inlet that is positioned on the diaphragm plate, in cooler casing, also be fixed with and lay respectively at drainage blower fan both sides and its lower end and be positioned on the air outlet on the diaphragm plate, the bending internal air baffle of upper end between diaphragm plate and cooler casing top board.The drainage blower fan of setting up in the cooler casing sucks the hot-air of generator inside in the cooler mandatoryly, has greatly increased the blast of air flows in the generator, makes air flows more smooth and easy, and can save the fan on the alternator shaft.The distinguished and admirable turbulent condition that in cooler casing, is in that the drainage blower fan produces, the air of turbulent flow not only produces airborne noise in cooler casing, and produces eddy current in cooler casing, and some may also can reflux from air inlet, influence flowing of air, and then influence electric machine temperature rise.By the directed flow that diaphragm plate and internal air baffle can the forced air air-flows is set, to overcome the other problem that airborne noise and turbulent flow bring.
The utility model on the basis of existing hollow cooler by in hollow cooler, setting up drainage blower fan and diaphragm plate, wind deflector, fully the motor internal hot-air is drawn into cooler, strengthen the circulation of hot-air in the motor, make it fully carry out heat exchange by cooler.Cold air after the heat exchange enters motor internal by two ends again and cools off, and reduces electric machine temperature rise significantly, overcomes the restriction of electric machine temperature rise to generator capacity; And can save fan on the alternator shaft, with the efficient of further raising generator.Wind-driven generator with 1.5MW is an example, adopt hollow cooler described in the utility model, because cooling capacity significantly promotes, when under the rated power operating mode, moving, the generator unit stator winding temperature rise is reduced to about 70K, and temperature rise has reduced about nearly 30K, and can make generator under the equal volume condition, capacity increases more than 13%, and the efficient of generator also further improves.
Description of drawings
Fig. 1 be hollow cooler contour structures and with the fixed structure schematic diagram of motor;
Fig. 2 is hollow cooler for motor housing described in the utility model and internal structure schematic diagram;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the hollow cooler housing upward view among Fig. 2;
Fig. 5 is the A-A profile of Fig. 2;
Among the figure: 1-cooler casing, 2-air-intaker, 3-air outlet, 4-guide duct, 5-diaphragm plate, 6-drainage blower fan, 7-internal air baffle, the outer wind deflector of 8-, 9-bracing frame, 10-dividing plate.
Embodiment
Hollow cooler for motor, comprise cooler casing 1, cooler casing 1 bottom has air inlet 2 and is positioned at the air outlet 3 of air inlet both sides, the cooler casing internal fixation has uniform guide duct 4, the diaphragm plate 5 that is positioned at each guide duct top is arranged at cooler casing 1 internal fixation, advancing on having on the diaphragm plate 5 bottom cooler casing, what the air outlet position was relative advances, air outlet, at the drainage blower fan 6 that is fixed with on the cooler casing 1 top board inwall above the air inlet that is positioned on the diaphragm plate 5, in cooler casing 1, also be fixed with and lay respectively at drainage blower fan 6 both sides and its lower end and be positioned on the air outlet on the diaphragm plate, the bending internal air baffle 7 of upper end between diaphragm plate 5 and cooler casing top board.During concrete the manufacturing, can support around the diaphragm plate 5 or directly fix with the cooler casing inwall, the part edge of internal air baffle 7 can be directly and cooler casing inwall or diaphragm plate 5 fix.For further increasing the directed flow of air, the bight, upper end in cooler casing is provided with wind deflector 8 outside the bending, and when specifically making, the two ends of outer wind deflector 8 can be fixed with the top board and the side plate inwall of cooler casing respectively.On the cooler casing inwall, also be fixed with the bracing frame 9 that lays respectively at drainage blower fan both sides.9 pairs of cooler casings of the bracing frame particularly top board of housing play a supportive role, and simultaneously an end of internal air baffle 7 can be directly fixing with bracing frame 9, so bracing frame the fixing of internal air baffle 7 of being more convenient for is set.Drainage blower fan 6 adopts no spiral case external rotor centrifugal blower, so that blower fan fixing in cooler casing.The same with existing hollow cooler, between air inlet and air outlet, be fixed with guide duct at cooler casing bottom surface inwall and cross dividing plate 10 on it.Distinguished and admirable each guide duct 4 in housing that the blower fan of cooler casing one end produces flows and is discharged by housing other end air outlet.Drainage blower fan in the hollow cooler sucks cooler inside with the hot-air of generator inside by force through the air outlet on the support, air inlet on the cooler casing, hot-air and guide duct surface heat exchange and lowering the temperature enters motor internal and forms the air flows of motor internal and realize the cooling of generator through the air outlet on the cooler casing, air inlet on the electric machine stand again.
Claims (5)
1, a kind of hollow cooler for motor, comprise cooler casing (1), cooler casing (1) bottom has air inlet (2) and is positioned at the air outlet (3) of air inlet both sides, the cooler casing internal fixation has uniform guide duct (4), it is characterized by: the diaphragm plate (5) that is positioned at each guide duct top is arranged at cooler casing (1) internal fixation, advancing on having on the diaphragm plate (5) bottom cooler casing, what the air outlet position was relative advances, air outlet, on cooler casing (1) top board inwall, be fixed with the drainage blower fan (6) of the air inlet top that is positioned on the diaphragm plate (5), in cooler casing (1), also be fixed with and lay respectively at drainage blower fan (6) both sides and its lower end and be positioned on the air outlet on the diaphragm plate, the upper end is positioned at the bending internal air baffle (7) between diaphragm plate (5) and the cooler casing top board.
2, hollow cooler for motor as claimed in claim 1 is characterized by: the bight, upper end in cooler casing is provided with wind deflector outside the bending (8).
3, hollow cooler for motor as claimed in claim 1 or 2 is characterized by: also be fixed with the bracing frame (9) that lays respectively at drainage blower fan both sides on the cooler casing inwall.
4, hollow cooler for motor as claimed in claim 1 or 2 is characterized by: drainage blower fan (6) is no spiral case external rotor centrifugal blower.
5, hollow cooler for motor as claimed in claim 3 is characterized by: drainage blower fan (6) is no spiral case external rotor centrifugal blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201059498U CN201252447Y (en) | 2008-09-12 | 2008-09-12 | Air-to-air cooler for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201059498U CN201252447Y (en) | 2008-09-12 | 2008-09-12 | Air-to-air cooler for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201252447Y true CN201252447Y (en) | 2009-06-03 |
Family
ID=40748110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201059498U Expired - Lifetime CN201252447Y (en) | 2008-09-12 | 2008-09-12 | Air-to-air cooler for motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201252447Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442238B (en) * | 2008-09-12 | 2010-09-29 | 永济新时速电机电器有限责任公司 | Hollow air cooler for motor |
| CN102751816A (en) * | 2012-07-16 | 2012-10-24 | 北京三一电机系统有限责任公司 | Cooler and wind-driven generator |
| CN103532302A (en) * | 2013-10-25 | 2014-01-22 | 中电电机股份有限公司 | Internal ventilating structure of cooler of alternating-current low-speed motor |
| CN105484943A (en) * | 2015-12-23 | 2016-04-13 | 上海旗升电气股份有限公司 | Device for achieving continuous power supply of instruments in rotating device operation field |
| CN115406270A (en) * | 2022-08-25 | 2022-11-29 | 广东依恳丰热能设备有限公司 | Circulating heat exchanger capable of improving heat exchange efficiency |
-
2008
- 2008-09-12 CN CNU2008201059498U patent/CN201252447Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442238B (en) * | 2008-09-12 | 2010-09-29 | 永济新时速电机电器有限责任公司 | Hollow air cooler for motor |
| CN102751816A (en) * | 2012-07-16 | 2012-10-24 | 北京三一电机系统有限责任公司 | Cooler and wind-driven generator |
| CN102751816B (en) * | 2012-07-16 | 2015-03-18 | 北京三一电机系统有限责任公司 | Cooler and wind-driven generator |
| CN103532302A (en) * | 2013-10-25 | 2014-01-22 | 中电电机股份有限公司 | Internal ventilating structure of cooler of alternating-current low-speed motor |
| CN105484943A (en) * | 2015-12-23 | 2016-04-13 | 上海旗升电气股份有限公司 | Device for achieving continuous power supply of instruments in rotating device operation field |
| CN105484943B (en) * | 2015-12-23 | 2018-03-27 | 上海旗升电气股份有限公司 | A kind of device for the instrument and meter continued power for realizing slewing operation field |
| CN115406270A (en) * | 2022-08-25 | 2022-11-29 | 广东依恳丰热能设备有限公司 | Circulating heat exchanger capable of improving heat exchange efficiency |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090603 Effective date of abandoning: 20080912 |