CN101826776A - Air-cooling system device of large-sized motor - Google Patents
Air-cooling system device of large-sized motor Download PDFInfo
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- CN101826776A CN101826776A CN201010004236A CN201010004236A CN101826776A CN 101826776 A CN101826776 A CN 101826776A CN 201010004236 A CN201010004236 A CN 201010004236A CN 201010004236 A CN201010004236 A CN 201010004236A CN 101826776 A CN101826776 A CN 101826776A
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Abstract
The invention discloses an air-cooling system device of a large-sized motor, comprising the large-sized motor, an air blower and a heat exchanger, wherein the air blower is connected with the heat exchanger through an air duct; the large-sized motor is arranged between the air blower and the heat exchanger through the air duct; the heat exchanger is a heat pipe exchanger, and the heat absorption section and the exchange section of the heat pipe exchanger are separated by using a partition board; an air outlet of the heat pipe exchanger is provided with an air-out temperature sensor, and the air-out temperature sensor is communicated with a PID (Proportion Integration Differentiation) regulator; and the air blower is connected with a frequency converter controlled by the PID regulator. The invention obviously enhances the heat exchange efficiency of the system, improves the cooling effect of the large-sized motor, completely avoids the harm of the water leakage of the heat exchanger on the large-sized motor, ensures the safe operation of the system, prolongs the service life of the large-sized motor, can not only display the operating parameters of the air cooling system in real time, but also greatly reduces the energy consumption and the operating cost of the air blower, and enhances the economic benefit of enterprises.
Description
Technical field
The present invention relates to a kind of cooling device, specifically belong to a kind of air-cooling system device of large-sized motor.
Background technology
Motor is when operation, because the effect of basic loss and stray loss can produce a large amount of heat energy, it is aging that the increase of heat can be quickened motor heat, the electrical machine insulation performance is reduced, influence motor useful life, even burn out motor windings, therefore motor all needs to be provided with the ventilation cooling device, the closed cooling system that adopts blower fan, heat exchanger to form keeps within the limits prescribed motor temperature, thereby reaches the safe and reliable operation of motor.But have following problem in the existing system: 1, heat-exchange system generally adopts tubular heat exchanger, when the heat exchange temperature gradient is very little, system effectiveness reduces, cause motor temperature higher, influence motor safety operation and useful life, in addition, common tubular heat exchanger leaks easily, will jeopardize motor safety in case leak; 2, blower fan does not adopt variable-frequency control technique in the common cooling system, and motor is in operation under the rated power all the time, causes very big energy consumption.
Summary of the invention
The present invention seeks to: a kind of air-cooling system device of large-sized motor is provided, not only can improves the motor cooling effectiveness, guarantee the safe operation of motor, prolong the useful life of motor.
A further object of the invention is: a kind of air-cooling system device of large-sized motor is provided, can controls the fan operation state automatically, can show the cooling system operational factor in real time, reduce energy resource consumption and operating cost, increase economic efficiency.
Technical scheme of the present invention is: a kind of air-cooling system device of large-sized motor, comprise large-size machine, blower fan, heat exchanger, blower fan links to each other by airduct with heat exchanger, and large-size machine is installed between blower fan, the heat exchanger by airduct, and described heat exchanger is a heat exchange of heat pipe.
The further technical scheme of the present invention is: a kind of air-cooling system device of large-sized motor, comprise large-size machine, blower fan, heat exchanger, blower fan links to each other by airduct with heat exchanger, and large-size machine is installed between blower fan, the heat exchanger by airduct, and described heat exchanger is a heat exchange of heat pipe; Separate with dividing plate between the endotherm section of heat exchange of heat pipe and the exchange section; Also be provided with temperature regulating and controlling system in the described device, comprise the leaving air temp transducer, the PID adjuster that is connected with the leaving air temp transducer that are located at heat exchange of heat pipe air outlet place, be connected on the blower fan frequency converter by the control of PID adjuster.
The more detailed technical scheme of the present invention is: a kind of air-cooling system device of large-sized motor, comprise large-size machine, blower fan, heat exchanger, blower fan links to each other by airduct with heat exchanger, and large-size machine is installed between blower fan, the heat exchanger by airduct, and described heat exchanger is a heat exchange of heat pipe; Separate with dividing plate between the endotherm section of heat exchange of heat pipe and the exchange section; Also be provided with temperature regulating and controlling system in the described device, comprise the leaving air temp transducer, the PID adjuster that is connected with the leaving air temp transducer that are located at heat exchange of heat pipe air outlet place, be connected on the blower fan frequency converter by the control of PID adjuster; Described airduct is provided with the inlet temperature transducer at the hot air inlet place near heat exchange of heat pipe, is provided with the large-size machine air compartment between blower fan and the large-size machine, is provided with humidity sensor and air-out pressure sensor between blower fan and the large-size machine air compartment; The water tank water inlet of described heat exchange of heat pipe is connected with inlet pipeline, and delivery port is connected with water return pipeline; The inlet pipeline of described heat exchange of heat pipe comprises water inlet manifold, water pipe and water intaking valve, and water return pipeline comprises return main, water pipe and back-water valve (BWV); Water pipe between described water inlet manifold and the water intaking valve is provided with the flow of inlet water transducer, and the water pipe between water intaking valve and the heat exchange of heat pipe water inlet is provided with inflow temperature transducer and intake pressure transducer; Water pipe between described return main and the back-water valve (BWV) is provided with the leaving water temperature transducer.
Advantage of the present invention is:
1. the present invention adopts heat exchange of heat pipe to replace traditional tubular heat exchanger, makes its also effectively heat exchange under very little temperature gradient, has not only significantly improved the heat exchange efficiency of system, and has improved the cooling effect of motor.
2. the present invention adopts dividing plate that the endotherm section and the exchange section of heat exchange of heat pipe are separated, and makes cold fluid and hot fluid separately, has stopped heat exchanger fully and has leaked to the harm of motor, guarantees the safe operation of motor, prolongs the useful life of motor.
3. the present invention's mode of adopting adjustment control device and frequency converter to combine is regulated the rotating speed of blower fan automatically, not only can show the cooling system operational factor in real time, and significantly reduce the energy consumption and the operating cost of blower fan, has improved economic benefit of enterprises.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is a system schematic of the present invention.
Wherein: 1 is water inlet manifold; 2 is the return main; 3 is the leaving water temperature transducer; 4 is the flow of inlet water transducer; 5 is water intaking valve; 6 is the inflow temperature transducer; 7 is the intake pressure transducer; 8 is the inlet temperature transducer; 9 is dividing plate; 10 is heat exchange of heat pipe; 11 is the leaving air temp transducer; 12 is blower fan; 13 is humidity sensor; 14 are the air-out pressure sensor; 15 is the large-size machine air compartment; 16 is airduct; 17 is large-size machine; 18 is water pipe; 19 is back-water valve (BWV).
Embodiment
Embodiment: a kind of air-cooling system device of large-sized motor, as shown in Figure 1, comprise large-size machine 17, blower fan 12, heat exchanger, described heat exchanger is a heat exchange of heat pipe 10, separates with dividing plate 9 between its endotherm section and the exchange section; Large-size machine 17 links to each other with the air intake vent of heat exchange of heat pipe 10, the air outlet of blower fan 12 by airduct 16, and the air intake vent of blower fan 12 links to each other with heat exchange of heat pipe 10; Also be provided with temperature regulating and controlling system in the described device, comprise the leaving air temp transducer 11, the PID adjuster that is connected with leaving air temp transducer 11 that are located at heat exchange of heat pipe 10 air outlet places, be connected on the blower fan 12 frequency converter by the control of PID adjuster.
Described airduct 16 is provided with inlet temperature transducer 8 at the hot air inlet place near heat exchange of heat pipe 10, be provided with large-size machine air compartment 15 between blower fan 12 and the large-size machine 17, be provided with humidity sensor 13 and air-out pressure sensor 14 between blower fan 12 and the large-size machine air compartment 15.
The water tank water inlet of described heat exchange of heat pipe 10 is connected with inlet pipeline, and delivery port is connected with water return pipeline; Described inlet pipeline comprises water inlet manifold 1, water pipe 18 and water intaking valve 5, and water return pipeline comprises return main 2, water pipe 18 and back-water valve (BWV) 19; Water pipe 18 between described water inlet manifold 1 and the water intaking valve 5 is provided with flow of inlet water transducer 4, and the water pipe 18 between water intaking valve 5 and heat exchange of heat pipe 10 water inlets is provided with inflow temperature transducer 6 and intake pressure transducer 7; Water pipe 18 between described return main 2 and the back-water valve (BWV) 19 is provided with leaving water temperature transducer 3.
The hot-air that large-size machine 17 produces enters the endotherm section of heat exchange of heat pipe 10 through airduct 16, in heat exchange of heat pipe 10, fully cool after leaving air temp transducer 11 enters blower fan 12 air inlets, the blower fan air-out enters large-size machine air compartment 15 through humidity sensor 13 and air-out pressure sensor 14, reaches periodic duty thereby enter large-size machine 17 through airduct 16 then.
Described air-cooling system device of large-sized motor is provided with the mode of temperature regulating and controlling system and frequency converter combination, outlet temperature according to heat exchange of heat pipe 10 changes, compare with set-point by leaving air temp transducer 11 detected temperature signals, difference is through the PID of temperature regulating and controlling system adjuster, automatically regulate the rotating speed of blower fan 12 by frequency converter, thereby reach purpose of energy saving, the energy consumption of blower fan 12 is declined to a great extent.
Described heat exchange of heat pipe 10 is a kind of efficient heat transfer systems that boiling process and condensation process are organically combined, can low-temperature working liquid in the heat pipe of vacuum, liquid is carburation by evaporation after the endotherm section of heat pipe absorbs airborne heat, in the dirty exchange section of small pressure reduction to heat pipe, exchange media is a water, by water heat is taken away.Dividing plate 9 between the endotherm section of heat exchange of heat pipe 10 and the exchange section can be individual layer or multilayer, blower fan 12 and the order of heat exchange of heat pipe 10 in cooling system can exchange, and promptly large-size machine 17 can link to each other with the air intake vent of blower fan 12, the air outlet of heat exchange of heat pipe 10 by airduct 16.
The present invention adopts heat exchange of heat pipe 10 to replace traditional tubular heat exchanger, makes its also effectively heat exchange under very little temperature gradient, has not only significantly improved the heat exchange efficiency of system, and has improved the cooling effect of large-size machine 17; The present invention adopts dividing plate 9 that the endotherm section and the exchange section of heat exchange of heat pipe 10 are separated, and makes cold fluid and hot fluid separately, has stopped heat exchanger fully and has leaked to the harm of large-size machine 17, guarantees the safe operation of large-size machine 17, prolongs the useful life of large-size machine 17; The mode that the present invention adopts temperature regulating and controlling system and frequency converter to combine is regulated the rotating speed of blower fan 12 automatically, not only can show the cooling system operational factor in real time, and has significantly reduced the energy consumption and the operating cost of blower fan 12, has improved economic benefit of enterprises.
Below only be concrete exemplary applications of the present invention, protection scope of the present invention is not constituted any limitation.In addition to the implementation, the present invention can also have other execution mode.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the present invention's scope required for protection.
Claims (7)
1. air-cooling system device of large-sized motor, comprise large-size machine (17), blower fan (12), heat exchanger, blower fan (12) links to each other by airduct (16) with heat exchanger, large-size machine (17) is installed between blower fan (12), the heat exchanger by airduct (16), it is characterized in that: described heat exchanger is heat exchange of heat pipe (10).
2. air-cooling system device of large-sized motor according to claim 1 is characterized in that: separate with dividing plate (9) between the endotherm section of described heat exchange of heat pipe (10) and the exchange section.
3. air-cooling system device of large-sized motor according to claim 1, it is characterized in that: also be provided with temperature regulating and controlling system in the described device, comprise the leaving air temp transducer (11), the PID adjuster that is connected with leaving air temp transducer (11) that are located at heat exchange of heat pipe (10) air outlet place, be connected blower fan (12) and go up frequency converter by the control of PID adjuster.
4. air-cooling system device of large-sized motor according to claim 1, it is characterized in that: described airduct (16) is provided with inlet temperature transducer (8) at the hot air inlet place near heat exchange of heat pipe (10), be provided with large-size machine air compartment (15) between blower fan (12) and the large-size machine (17), be provided with humidity sensor (13) and air-out pressure sensor (14) between blower fan (12) and the large-size machine air compartment (15).
5. air-cooling system device of large-sized motor according to claim 1 is characterized in that: the water tank water inlet of described heat exchange of heat pipe (10) is connected with inlet pipeline, and delivery port is connected with water return pipeline.
6. air-cooling system device of large-sized motor according to claim 5, it is characterized in that: the inlet pipeline of described heat exchange of heat pipe (10) comprises water inlet manifold (1), water pipe (18) and water intaking valve (5), and water return pipeline comprises return main (2), water pipe (18) and back-water valve (BWV) (19).
7. air-cooling system device of large-sized motor according to claim 1, it is characterized in that: the water pipe (18) between described water inlet manifold (1) and the water intaking valve (5) is provided with flow of inlet water transducer (4), and the water pipe (18) between water intaking valve and heat exchange of heat pipe (10) water inlet is provided with inflow temperature transducer (6) and intake pressure transducer (7); Water pipe (18) between described return main (2) and the back-water valve (BWV) (19) is provided with leaving water temperature transducer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010004236A CN101826776A (en) | 2010-01-12 | 2010-01-12 | Air-cooling system device of large-sized motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010004236A CN101826776A (en) | 2010-01-12 | 2010-01-12 | Air-cooling system device of large-sized motor |
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| CN101826776A true CN101826776A (en) | 2010-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010004236A Pending CN101826776A (en) | 2010-01-12 | 2010-01-12 | Air-cooling system device of large-sized motor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914179A (en) * | 2012-10-25 | 2013-02-06 | 新特能源股份有限公司 | Method and device for producing 7-DEG C water by air cooling |
| CN105464947A (en) * | 2014-09-11 | 2016-04-06 | 阿特拉斯·科普柯(无锡)压缩机有限公司 | Aftercooling control system and method of air compressor |
| CN109831069A (en) * | 2019-01-04 | 2019-05-31 | 江苏科技大学 | A kind of ship high-temperature motor heat-exchange system |
| CN110858745A (en) * | 2018-08-24 | 2020-03-03 | 上海中车艾森迪海洋装备有限公司 | Cooling device and method for submarine motor |
| CN112160917A (en) * | 2020-09-29 | 2021-01-01 | 扬中申扬换热设备有限公司 | Air cooler inner loop air ducting |
| WO2023283772A1 (en) * | 2021-07-10 | 2023-01-19 | 浙江尔格科技股份有限公司 | Semi-direct drive wind turbine rotor cooler and cooling method therefor |
-
2010
- 2010-01-12 CN CN201010004236A patent/CN101826776A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914179A (en) * | 2012-10-25 | 2013-02-06 | 新特能源股份有限公司 | Method and device for producing 7-DEG C water by air cooling |
| CN105464947A (en) * | 2014-09-11 | 2016-04-06 | 阿特拉斯·科普柯(无锡)压缩机有限公司 | Aftercooling control system and method of air compressor |
| CN105464947B (en) * | 2014-09-11 | 2018-02-09 | 阿特拉斯·科普柯(无锡)压缩机有限公司 | The rear cold control system and control method of air compressor |
| CN110858745A (en) * | 2018-08-24 | 2020-03-03 | 上海中车艾森迪海洋装备有限公司 | Cooling device and method for submarine motor |
| CN109831069A (en) * | 2019-01-04 | 2019-05-31 | 江苏科技大学 | A kind of ship high-temperature motor heat-exchange system |
| CN109831069B (en) * | 2019-01-04 | 2023-06-16 | 江苏科技大学 | Marine high temperature motor heat transfer system |
| CN112160917A (en) * | 2020-09-29 | 2021-01-01 | 扬中申扬换热设备有限公司 | Air cooler inner loop air ducting |
| WO2023283772A1 (en) * | 2021-07-10 | 2023-01-19 | 浙江尔格科技股份有限公司 | Semi-direct drive wind turbine rotor cooler and cooling method therefor |
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Open date: 20100908 |