CN105576900A - Lubricating and cooling system for motor and motor - Google Patents
Lubricating and cooling system for motor and motor Download PDFInfo
- Publication number
- CN105576900A CN105576900A CN201610130412.6A CN201610130412A CN105576900A CN 105576900 A CN105576900 A CN 105576900A CN 201610130412 A CN201610130412 A CN 201610130412A CN 105576900 A CN105576900 A CN 105576900A
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- China
- Prior art keywords
- lubricating
- cooling system
- temperature
- oil
- motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention relates to the field of motor lubricating and cooling and discloses a lubricating and cooling system for a motor and the motor. The lubricating and cooling system comprises an oil pump (5) and a cooler (2), wherein an oil inlet of the oil pump (5) is connected to an oil pool of a bearing pedestal of the motor; and an oil inlet of the cooler (2) is connected to an oil outlet of the oil pump (5), and an oil outlet of the cooler (2) is connected to the oil pool. The lubricating and cooling system for the motor has good heat radiation performance.
Description
Technical field
The present invention relates to motor lubrication field, particularly, relate to a kind of lubricating and cooling system for motor.In addition, the invention still further relates to a kind of motor.
Background technology
Motor is a kind of equipment electric energy being converted to mechanical energy, and it utilizes hot-wire coil (namely stator) to produce rotating magnetic field and act on rotor to form electro-magnetic motor force rotation torque.Due in the motor course of work, rotor ceaselessly rotates all the time, and therefore the two ends of rotor must be supported rotationally by bearing pedestal.
Existing high capacity motor (such as large synchronous motor) generally arranges the bearing pedestal of support rotor rotationally as lubricating system at the two ends of rotor, the bearing shell that bearing pedestal comprises bearing pedestal housing and is arranged in bearing pedestal housing, the inside of bearing pedestal housing is provided with the oil sump for holding lubricating oil, in addition rotor is also equipped with the disc being arranged in described oil sump, when motor running rotor turns, disc rotates thereupon, and lubricating oil is constantly thrown on bearing shell and carries out lubrication cooling by disc.But there is bearing shell in such motor and the problem of lubricating oil temperature too high (exceeding safe operating temperature) in long-term operation, causes burning accident, cause bearing pedestal to be scrapped time serious.
In view of this, need to provide a kind of lubricating and cooling system for motor with excellent heat dispersion performance.
Summary of the invention
Technical problem to be solved by this invention needs to provide a kind of lubricating and cooling system for motor with excellent heat dispersion performance.
In addition, another technical problem to be solved by this invention needs to provide a kind of motor with excellent heat dispersion performance.
In order to solve the problems of the technologies described above, the invention provides a kind of lubricating and cooling system for motor, this lubricating and cooling system comprises: oil pump, and the oil-in of this oil pump is connected to the oil sump of the bearing pedestal of described motor; And cooler, the oil-in of this cooler is connected to the oil-out of described oil pump, and the oil-out of described cooler is connected to described oil sump.
Preferably, described lubricating and cooling system also comprises the cooling fan for gas being blowed to described cooler.
Preferably, described lubricating and cooling system also comprises can by gas-cooled air conditioner, and described cooling fan can blow to described cooler by through the cooled gas of described air conditioner.
Preferably, the first temperature sensor that described lubricating and cooling system also comprises the temperature for detecting described bearing pedestal and the controller be electrically connected with this first temperature sensor, this controller is electrically connected with described cooling fan and described air conditioner, so that the temperature recorded according to described first temperature sensor and control described cooling fan and described air conditioner.
Preferably, when the temperature that described first temperature sensor records is more than or equal to the first temperature value, described controller sends the signal of telecommunication starting described cooling fan; When the temperature that described first temperature sensor records is more than or equal to the second temperature value, described second temperature value is greater than described first temperature value, and described controller sends the signal starting described air conditioner; When the temperature that described first temperature sensor records is less than the 3rd temperature value, described 3rd temperature value is less than described first temperature value, and described controller sends the signal stopping described cooling fan and described air conditioner.
Preferably, when the temperature that described first temperature sensor records is more than or equal to described second temperature value, described controller sends warning while sending the signal starting described air conditioner.
Preferably, described air conditioner is communicated with will send in this air conditioning chamber through the cooled gas of described air conditioner with air conditioning chamber's fluid, described air conditioning chamber is provided with air inlet and air outlet, described cooler is from air outlet described in the outside cover cap of described air conditioning chamber, described cooling fan is from air outlet described in the inner side cover cap of described air conditioning chamber, and described air inlet is provided with air cleaner.
Preferably, the oil-out of described cooler is connected to described oil sump by flowline, described lubricating and cooling system also comprises the flow sensor be connected in described flowline, described flow sensor is electrically connected with described controller, the flow that described flow sensor records by described controller is compared with predetermined amount of flow, when the flow that described flow sensor records is lower than described predetermined amount of flow, described controller sends warning.
Preferably, described lubricating and cooling system also comprises the second temperature sensor be connected in described flowline, this second temperature sensor is electrically connected with described controller, when the temperature that described first temperature sensor records deduct temperature that described second temperature sensor records be less than the 4th temperature value time, described controller sends warning.
In addition, the present invention also provides a kind of motor, this motor comprises rotor, stator, multiple bearing pedestal being separately positioned on the two ends of described rotor, and the inside of described bearing pedestal is provided with oil sump for holding lubricating oil and the lubricating and cooling system for motor of the present invention.
Lubricating and cooling system for motor of the present invention is additionally provided with oil pump and cooler relative to the existing lubricating and cooling system for motor, thus by oil pump, lubricating oil can be extracted out from the oil sump of bearing pedestal, then lubricating oil carries out heat exchange through subcooler and is cooled in cooler, final cooled lubricating oil is pumped back described oil sump, makes the temperature of bearing pedestal remain on relatively low value thus.The visible lubricating and cooling system for motor of the present invention has good heat dispersion.Motor of the present invention is owing to comprising the lubricating and cooling system for motor of the present invention, and therefore it has above advantage equally.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, is used from explanation the present invention, but is not construed as limiting the invention with embodiment one below.In the accompanying drawings:
Fig. 1 is the schematic diagram of the lubricating and cooling system for motor according to the specific embodiment of the present invention.
Description of reference numerals
1, bearing pedestal 1a, bearing pedestal housing
1b, bearing shell 2, cooler
3, the first oil inlet pipe 4, flowline
5, oil pump 6, lubricating oil filter
7, cooling fan 8, air conditioner
9, the first temperature sensor 10, flow sensor
11, air conditioning chamber 12, second temperature sensor
13, air cleaner 14, motor
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides a kind of lubricating and cooling system for motor, particularly, as shown in Figure 1, this lubricating and cooling system comprises: oil pump 5, and the oil-in of this oil pump 5 is connected to the oil sump of the bearing pedestal of described motor; With cooler 2, the oil-in of this cooler 2 is connected to the oil-out of described oil pump 5, and the oil-out of described cooler 2 is connected to described oil sump.Particularly, oil pump 5 drives by motor 14 or other drive units (as diesel engine).
It should be noted that, the particular type of motor, oil pump 5 and cooler 2 and the specific constructive form of bearing pedestal can be arranged as required, and these all belong within technical conceive scope of the present invention.Such as, cooler 2 can be the cooler of chimney cooler, surface cooler or other types, motor can be synchronous motor can be also the motor of other types, and bearing pedestal can comprise bearing pedestal housing 1a and be arranged at the bearing shell 1b in described bearing pedestal housing 1a.Be understandable that, other rolling bearing or sliding bearing can be set in bearing pedestal.
Lubricating and cooling system for motor of the present invention is additionally provided with oil pump and cooler relative to the existing lubricating and cooling system for motor, thus by oil pump 5, lubricating oil can be extracted out from the oil sump of bearing pedestal, then lubricating oil carries out heat exchange through subcooler 2 and is cooled in cooler 2, final cooled lubricating oil is pumped back described oil sump, make the temperature of bearing pedestal remain on relatively low value thus, prevent bearing pedestal 1 from damaging.The visible lubricating and cooling system for motor of the present invention has good heat dispersion.
In lubricating and cooling system of the present invention, preferably, described lubricating and cooling system also comprises the cooling fan 7 for gas being blowed to described cooler 2, thus this cooling fan 7 can be utilized gas to be blowed to cooler 2 and is taken away by the heat near cooler 2, and then improve the cooling effectiveness of lubricating and cooling system.
In above-mentioned lubricating and cooling system, more preferably, described lubricating and cooling system also comprises can by gas-cooled air conditioner 8, described cooling fan 7 can blow to described cooler 2 by through the cooled gas of described air conditioner 8, thus can utilize this air conditioner 8 and cooling fan 7 that cooled gas is blowed to cooler 2, cooled gas carries out heat exchange with cooler 2 and is taken away by heat near cooler 2, and then improves the cooling effectiveness of lubricating and cooling system further.
In above-mentioned lubricating and cooling system, further preferably, the first temperature sensor 9 that described lubricating and cooling system also comprises the temperature (being specially the temperature of bearing shell 1b) for detecting described bearing pedestal 1 and the controller be electrically connected with this first temperature sensor 9, this controller is electrically connected with described cooling fan 7 and described air conditioner 8, so that the temperature recorded according to described first temperature sensor 9 and control described cooling fan 7 and described air conditioner 8, thus the operation of controlled cooling model fan 7 and air conditioner 8 can be carried out according to the temperature of bearing pedestal 1, so that the cooling effectiveness needed for selecting.Particularly, when the temperature that described first temperature sensor 9 records is more than or equal to the first temperature value (such as 45 degrees Celsius), described controller sends the signal of telecommunication starting described cooling fan 7; When the temperature that described first temperature sensor 9 records is more than or equal to the second temperature value (such as 53 degrees Celsius), described second temperature value is greater than described first temperature value, and described controller sends the signal starting described air conditioner 8; When the temperature that described first temperature sensor 9 records is less than the 3rd temperature value (such as 40 degrees Celsius), described 3rd temperature value is less than described first temperature value, and described controller sends the signal stopping described cooling fan 7 and described air conditioner 8.
In above-mentioned lubricating and cooling system, further preferably, when the temperature that described first temperature sensor 9 records is more than or equal to described second temperature value, described controller sends warning while sending the signal starting described air conditioner 8, thus when the temperature of bearing pedestal 1 is more than the second temperature value, send warning, warning user, prevents bearing pedestal 1 from damaging.
In above-mentioned lubricating and cooling system, further preferably, described air conditioner 8 is communicated with will send in this air conditioning chamber 11 through the cooled gas of described air conditioner 8 with air conditioning chamber 11 fluid, described air conditioning chamber 11 is provided with air inlet and air outlet, described cooler 2 is from air outlet described in the outside cover cap of described air conditioning chamber 11, described cooling fan 7 is from air outlet described in the inner side cover cap of described air conditioning chamber 11, described air inlet is provided with air cleaner 13, thus utilize this air conditioning chamber 11 to store cooled gas, and utilize air cleaner 13 filtering gas, prevent gas directly and cooler 2 carry out heat exchange.Meanwhile, preferably, air conditioning chamber 11 can be made up of heat-barrier material to prevent external heat source by the refrigerating gas heating in air conditioning chamber 11.
In above-mentioned lubricating and cooling system, further preferably, the oil-out of described cooler 2 is connected to described oil sump top by flowline 4, the oil-in of described oil pump 5 is connected to the bottom of the oil sump of the bearing pedestal of described motor by the first oil inlet pipe 3, described lubricating and cooling system also comprises the flow sensor 10 be connected in described flowline 4 and the lubricating oil filter 6 (filtering lubricating oil) be connected in described first oil inlet pipe 3, described flow sensor 10 is electrically connected with described controller, the flow that described flow sensor 10 records by described controller is compared with predetermined amount of flow, when the flow that described flow sensor 10 records is lower than described predetermined amount of flow, described controller sends warning, thus avoid lubricating and cooling system that blocking occurs and cause lubricating oil in bearing pedestal 1 lower than benchmark oil mass.
In above-mentioned lubricating and cooling system, further preferably, described lubricating and cooling system also comprises the second temperature sensor 12 be connected in described flowline 4, this second temperature sensor 12 is electrically connected with described controller, when the temperature that described first temperature sensor 9 records deduct temperature that described second temperature sensor 12 records be less than the 4th temperature value (such as 10 degrees Celsius) time, described controller sends warning, thus when the cooling effect of lubricating and cooling system is lower than normal level, send warning, prevent bearing pedestal 1 owing to dispelling the heat by high temperature failure.
Be understandable that, the concrete value of above-mentioned first temperature value, the second temperature value, the 3rd temperature value and the 4th temperature value can according to the temperature capacity of the particular type of motor and bearing pedestal and relative set.
In addition, the present invention also provides a kind of motor, this motor comprises rotor, stator, is multiplely separately positioned on the bearing pedestal 1 at the two ends of described rotor and the lubricating and cooling system for motor of the present invention, and the inside of described bearing pedestal 1 is provided with the oil sump for holding lubricating oil.
Motor of the present invention is owing to comprising the lubricating and cooling system for motor of the present invention, and therefore it has above advantage equally.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned execution mode; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible compound mode.
In addition, also can carry out combination in any between various different execution mode of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. for a lubricating and cooling system for motor, it is characterized in that, this lubricating and cooling system comprises:
Oil pump (5), the oil-in of this oil pump (5) is connected to the oil sump of the bearing pedestal of described motor; With
Cooler (2), the oil-in of this cooler (2) is connected to the oil-out of described oil pump (5), and the oil-out of described cooler (2) is connected to described oil sump.
2. lubricating and cooling system according to claim 1, is characterized in that, described lubricating and cooling system also comprises the cooling fan (7) for gas being blowed to described cooler (2).
3. lubricating and cooling system according to claim 2, it is characterized in that, described lubricating and cooling system also comprises can by gas-cooled air conditioner (8), and described cooling fan (7) can blow to described cooler (2) by through described air conditioner (8) cooled gas.
4. lubricating and cooling system according to claim 3, it is characterized in that, the first temperature sensor (9) that described lubricating and cooling system also comprises the temperature for detecting described bearing pedestal (1) and the controller be electrically connected with this first temperature sensor (9), this controller is electrically connected with described cooling fan (7) and described air conditioner (8), so that the temperature recorded according to described first temperature sensor (9) and control described cooling fan (7) and described air conditioner (8).
5. lubricating and cooling system according to claim 4, it is characterized in that, when the temperature that described first temperature sensor (9) records is more than or equal to the first temperature value, described controller sends the signal of telecommunication starting described cooling fan (7); When the temperature that described first temperature sensor (9) records is more than or equal to the second temperature value, described second temperature value is greater than described first temperature value, and described controller sends the signal starting described air conditioner (8); When the temperature that described first temperature sensor (9) records is less than the 3rd temperature value, described 3rd temperature value is less than described first temperature value, and described controller sends the signal stopping described cooling fan (7) and described air conditioner (8).
6. lubricating and cooling system according to claim 5, it is characterized in that, when the temperature that described first temperature sensor (9) records is more than or equal to described second temperature value, described controller sends warning while sending the signal starting described air conditioner (8).
7. according to the lubricating and cooling system in claim 3 to 6 described in any one, it is characterized in that, described air conditioner (8) is communicated with will send in this air conditioning chamber (11) through described air conditioner (8) cooled gas with air conditioning chamber (11) fluid, described air conditioning chamber (11) is provided with air inlet and air outlet, described cooler (2) is from air outlet described in the outside cover cap of described air conditioning chamber (11), described cooling fan (7) is from air outlet described in the inner side cover cap of described air conditioning chamber (11), described air inlet is provided with air cleaner (13).
8. lubricating and cooling system according to claim 4, it is characterized in that, the oil-out of described cooler (2) is connected to described oil sump by flowline (4), described lubricating and cooling system also comprises the flow sensor (10) be connected in described flowline (4), described flow sensor (10) is electrically connected with described controller, the flow that described flow sensor (10) records by described controller is compared with predetermined amount of flow, when the flow that described flow sensor (10) records is lower than described predetermined amount of flow, described controller sends warning.
9. lubricating and cooling system according to claim 8, it is characterized in that, described lubricating and cooling system also comprises the second temperature sensor (12) be connected in described flowline (4), this second temperature sensor (12) is electrically connected with described controller, when the temperature that described first temperature sensor (9) records deduct temperature that described second temperature sensor (12) records be less than the 4th temperature value time, described controller sends warning.
10. a motor, this motor comprises rotor, stator and multiple bearing pedestal (1) being separately positioned on the two ends of described rotor, the inside of described bearing pedestal (1) is provided with the oil sump for holding lubricating oil, it is characterized in that, described motor also comprises the lubricating and cooling system for motor as claimed in any of claims 1 to 9.
Priority Applications (1)
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CN201610130412.6A CN105576900B (en) | 2016-03-08 | 2016-03-08 | Lubricating and cooling system and motor for motor |
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CN201610130412.6A CN105576900B (en) | 2016-03-08 | 2016-03-08 | Lubricating and cooling system and motor for motor |
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CN105576900A true CN105576900A (en) | 2016-05-11 |
CN105576900B CN105576900B (en) | 2019-05-03 |
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CN201610130412.6A Active CN105576900B (en) | 2016-03-08 | 2016-03-08 | Lubricating and cooling system and motor for motor |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109494935A (en) * | 2017-09-13 | 2019-03-19 | 西门子公司 | The cooling system and marine propulsion of marine propulsion |
CN114151705A (en) * | 2021-11-29 | 2022-03-08 | 南京高精船用设备有限公司 | Lubricating oil circulating device and ship |
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CN201690313U (en) * | 2010-03-29 | 2010-12-29 | 宋立 | Local heat sink of electric motor |
CN201739746U (en) * | 2010-06-03 | 2011-02-09 | 沈阳瑞祥风能设备有限公司 | Lubricating system for bearing of rotor of wind turbine generator |
CN203082508U (en) * | 2013-01-08 | 2013-07-24 | 石家庄联合盛鑫泵业股份有限公司 | Intelligent lubrication cooling detection control system of bearing |
CN103904827A (en) * | 2012-12-28 | 2014-07-02 | 永元电机(苏州)有限公司 | Motor with oil-way circulation |
CN204213604U (en) * | 2014-09-29 | 2015-03-18 | 内蒙古久和能源科技有限公司 | A kind of gearbox lubrication oil cooler |
CN204344703U (en) * | 2014-12-09 | 2015-05-20 | 湖南云箭科技有限公司 | A kind of horizontal water turbine bearing pedestal cooling device |
CN204627686U (en) * | 2015-03-31 | 2015-09-09 | 山东淄博傅山企业集团有限公司 | generator lubrication system |
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2016
- 2016-03-08 CN CN201610130412.6A patent/CN105576900B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201690313U (en) * | 2010-03-29 | 2010-12-29 | 宋立 | Local heat sink of electric motor |
CN201739746U (en) * | 2010-06-03 | 2011-02-09 | 沈阳瑞祥风能设备有限公司 | Lubricating system for bearing of rotor of wind turbine generator |
CN103904827A (en) * | 2012-12-28 | 2014-07-02 | 永元电机(苏州)有限公司 | Motor with oil-way circulation |
CN203082508U (en) * | 2013-01-08 | 2013-07-24 | 石家庄联合盛鑫泵业股份有限公司 | Intelligent lubrication cooling detection control system of bearing |
CN204213604U (en) * | 2014-09-29 | 2015-03-18 | 内蒙古久和能源科技有限公司 | A kind of gearbox lubrication oil cooler |
CN204344703U (en) * | 2014-12-09 | 2015-05-20 | 湖南云箭科技有限公司 | A kind of horizontal water turbine bearing pedestal cooling device |
CN204627686U (en) * | 2015-03-31 | 2015-09-09 | 山东淄博傅山企业集团有限公司 | generator lubrication system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109494935A (en) * | 2017-09-13 | 2019-03-19 | 西门子公司 | The cooling system and marine propulsion of marine propulsion |
CN114151705A (en) * | 2021-11-29 | 2022-03-08 | 南京高精船用设备有限公司 | Lubricating oil circulating device and ship |
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