CN107565754A - A kind of hydro-generator ventilation radiator structure and method - Google Patents

A kind of hydro-generator ventilation radiator structure and method Download PDF

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Publication number
CN107565754A
CN107565754A CN201711020887.0A CN201711020887A CN107565754A CN 107565754 A CN107565754 A CN 107565754A CN 201711020887 A CN201711020887 A CN 201711020887A CN 107565754 A CN107565754 A CN 107565754A
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China
Prior art keywords
generator
hydro
radiator structure
air
excitation generator
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Pending
Application number
CN201711020887.0A
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Chinese (zh)
Inventor
李石平
朱红军
彭媛
方继武
贺占龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuzhou CRRC Times Electric Co Ltd
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Zhuzhou CSR Times Electric Co Ltd
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Priority to CN201711020887.0A priority Critical patent/CN107565754A/en
Publication of CN107565754A publication Critical patent/CN107565754A/en
Pending legal-status Critical Current

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  • Motor Or Generator Cooling System (AREA)

Abstract

The invention discloses a kind of hydro-generator ventilation radiator structure and method, the hydro-generator ventilation radiator structure is used to be aerated excitation generator radiating, including:Air cleaner, Windshield, aerofoil fan, cylinder, power set and rear wind scooper.Air cleaner is connected with Windshield, and Windshield is connected with rear wind scooper by cylinder, and rear wind scooper is connected with excitation generator.Aerofoil fan is arranged in cylinder with power set, and aerofoil fan is connected with power set.The present invention can solve the problem that existing generator radiates deficiency in draught under weight dirt environment, be influenceed greatly, easily to break down because internal temperature is too high by surrounding environment dust, cause power drop, or even the technical problem of damage and reduction generator life.

Description

A kind of hydro-generator ventilation radiator structure and method
Technical field
The present invention relates to railway engineering field of mechanical technique, more particularly, to a kind of generator being applied under weight dirt environment Ventilation and heat structure and method.
Background technology
In the engineering machinery for being provided with alternating-current brushless excitation generator at present, substantially all using rotor shaft end installation fan Radiated.But the high-power generator for being used under weight dirt environment, due to long-time heavy-duty service and extraneous ring The influence of border factor can cause generator overheating, can not be to generator unit stator, rotor if the fan only carried by front end Fully radiated Deng inner member, and the dust in air is easily brought into the inside of generator.If generator internal temperature The generation that higher position easilys lead to failure is crossed, first, generator amature is in the process of running, internal temperature can be raised constantly, be caused Rotor part overheats and occurs insulating or short circuit phenomenon;Second, generator overheating can cause motor internal magnetic field to die down, or even damage Bad generator, reduce service life;Third, dust is excessive under weight dirt environment, substantial amounts of dust enters rotor, causes rotor power Constantly decline, part will be caused damaged.
In the rail engineering machinery for being provided with alternating-current brushless excitation generator at present, all pacify substantially using in rotor shaft end The mode of dress fan is radiated, and this radiator structure has following lack for the generator to be worked under weight dirt environment Fall into:
(1) existing generator radiating structure radiating deficiency in draught;
(2) existing generator radiating structure is influenceed greatly by surrounding environment dust;
(3) the air-cooled endless form of existing generator radiating structure is unfavorable for motor internal radiating;
(4) existing generator radiating structure can not radiate to internal all components;
(5) existing generator radiating structure easily causes generator temperature too high, and generator temperature is too high Easily trigger generator failure, so as to cause generator power to decline, or even damage generator, reduce its service life.
The content of the invention
In view of this, it is existing to solve it is an object of the invention to provide a kind of hydro-generator ventilation radiator structure and method Generator radiates deficiency in draught under weight dirt environment, is influenceed greatly, easily because internal temperature is too high to occur by surrounding environment dust Failure, cause power drop, or even damage and the technical problem for reducing generator life.
In order to realize foregoing invention purpose, the technology that the present invention specifically provides a kind of hydro-generator ventilation radiator structure is realized Scheme, a kind of hydro-generator ventilation radiator structure, for being aerated radiating to excitation generator, including:It is air cleaner, leading Fan housing, aerofoil fan, cylinder, power set and rear wind scooper.The air cleaner is connected with the Windshield, before described Wind scooper is connected with the rear wind scooper by the cylinder, and the rear wind scooper is connected with the excitation generator.The axle Flow fan is arranged in the cylinder with the power set, and the aerofoil fan is connected with the power set.
Preferably, the power set drive the aerofoil fan to rotate, and extraneous air is through the air cleaner mistake Enter the cylinder through the Windshield after filter and form radiation air, then by the rear wind scooper through the excitation generator Shaft end enters the inside of the excitation generator, and the part inside the excitation generator including stator, rotor is carried out After radiating, then discharge from another shaft end of the excitation generator.
Preferably, the hydro-generator ventilation radiator structure also includes the casing of excitation generator, and is arranged at described encourage The end cap of magnetic generator shaft end, the rear wind scooper are connected to the shaft end of the excitation generator.The Windshield, cylinder, Wind scooper, casing and end cap connect to form enclosed-ventilated pipeline afterwards.
Preferably, the end cap includes drive end bearing bracket and rear end cap, and the rear wind scooper is connected with the rear end cap, radiation air Enter from the air inlet on the rear end cap, by the stator, rotor, bearing of the excitation generator, and the first device in all inside After part, from the air outlet discharge on the drive end bearing bracket.
Preferably, the hydro-generator ventilation radiator structure is by the air inlet on the excitation generator, and is arranged on The support of the lifting portion position of the excitation generator is supported on the top of the excitation generator.
Preferably, the hydro-generator ventilation radiator structure also includes the pressure for being arranged on the air inlet of the air cleaner Power indicator, the pressure indicator are used for the filter element replacing for indicating the air cleaner.
Preferably, the hydro-generator ventilation radiator structure also includes the fan shaft being arranged in the cylinder and transmission fills Put, one end of the fan shaft connects the aerofoil fan, and the other end connects the power set, institute by the transmission device State power set and power is transferred to by the fan shaft by the transmission device, then the axle stream wind is driven by the fan shaft Fan rotates, so as to realize forced air inlet.
Preferably, the power set use hydraulic motor or motor.
Preferably, by the axial flow blower that the aerofoil fan, fan shaft and power set form and the excitation generator Parallel installation.
The technology that the present invention also specifically provides a kind of hydro-generator ventilation heat dissipating method based on said structure in addition is realized Scheme, a kind of hydro-generator ventilation heat dissipating method, including:
Power set driving aerofoil fan rotates, and extraneous air enters cylinder after air cleaner filters through Windshield Body forms radiation air, then enters the excitation generator by the air inlet on rear end cap of the rear wind scooper through excitation generator Inside, to the stator, rotor, bearing of the excitation generator, and after all internal components are radiated, then from the excitation Air outlet discharge on the drive end bearing bracket of generator.
By implementing the hydro-generator ventilation radiator structure of the invention described above offer and the technical scheme of method, have has as follows Beneficial effect:
(1) present invention uses enclosed-ventilated pipeline, and vent air is filtered using air filtering core, intake Greatly, air intake quality is high, reduces influence of the weight dirt environment to generator ventilation and heat to greatest extent, can make generator High-power output is maintained, effective ventilation and heat can be carried out to the component of generator, effectively protect generator and prolong The service life of long generator;
(2) present invention installs pressure indicator using in air inlet, can carry out the prompting of filter element replacing, be effectively ensured The fluency of generator air intake;
(3) present invention uses hydraulic motor or motor driving shaft flow fan, and blower fan driving structure and mode are simpler, lead The ventilation for entering generator is bigger;
(4) present invention carries out forced ventilation radiating to generator, and radiation air is entered by shaft end, and is exported from other end, Stator, rotor, the bearing of the wind energy that radiates covering generator, and all internal components, the radiating to generator are more filled Point, generator is avoided to greatest extent to be broken down because internal temperature is too high;
(5) present invention is using electric generator casing support axial flow blower, the mode of axial flow blower installation parallel with generator, knot Structure is compacter, installation is simpler.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described.It should be evident that drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other embodiments are obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of embodiment of hydro-generator ventilation radiator structure of the present invention;
In figure:1- air cleaners, 2- pressure indicators, 3- Windshields, 4- aerofoil fans, 5- fan shafts, 6- cylinders, 7- power set, 8- transmission devices, wind scooper after 9-, 10- excitation generators, 11- casings, 12- end caps, 13- drive end bearing brackets, 14- Rear end cap, 15- air outlets, 16- play hanging part, 17- air inlets, 18- supports.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, clear, complete description is carried out to the technical scheme in the embodiment of the present invention.Obviously, described embodiment is only Only it is the part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area All other embodiment that art personnel are obtained under the premise of creative work is not made, belong to the model that the present invention protects Enclose.
As shown in Figure 1, hydro-generator ventilation radiator structure of the present invention and the specific embodiment of method are given, with reference to The invention will be further described for the drawings and specific embodiments.
Embodiment 1
As shown in Figure 1, a kind of specific embodiment of hydro-generator ventilation radiator structure, suitable for weight dirt environment under to encouraging Magnetic generator 10, especially alternating-current brushless excitation generator are aerated radiating, and the structure includes:Air cleaner 1, preceding wind-guiding Cover 3, aerofoil fan 4, cylinder 6, power set 7 and rear wind scooper 9.Air cleaner 1 is connected with Windshield 3, Windshield 3 It is connected with rear wind scooper 9 by cylinder 6, rear wind scooper 9 is connected with excitation generator 10.Aerofoil fan 4 is arranged with power set 7 In cylinder 6, aerofoil fan 4 is connected with power set 7.
Power set 7 drive aerofoil fan 4 to rotate, and extraneous air enters after the filtering of air cleaner 1 through Windshield 3 Enter cylinder 6 and form radiation air, then enter the inside of excitation generator 10 by rear shaft end of the wind scooper 9 through excitation generator 10, After part progress forced ventilation radiating of the inside of excitation generator 10 including stator, rotor including, then from excitation generator 10 Another shaft end discharge.Air cleaner 1 is used to filter air plankton, and the air totally cleaned is provided for excitation generator 10, The air inlet cleannes of ventilation and heat structure are improved, significantly reduce generator-temperature detection, improve the operating efficiency of generator And service life.Hydro-generator ventilation radiator structure also includes the casing 11 of excitation generator 10, and is arranged at excitation generator The end cap 12 of 10 shaft ends, rear wind scooper 9 are connected to the shaft end of excitation generator 10.Windshield 3, cylinder 6, rear wind scooper 9, machine Shell 11 and the connection of end cap 12 form enclosed-ventilated pipeline, are connected between Windshield 3, cylinder 6 and rear wind scooper 9 by bolt Connect.Air (radiation air) is delivered to inside excitation generator 10 and is aerated by Windshield 3, cylinder 6, rear wind scooper 9 Radiating.The front end of air cleaner 1 and Windshield 3 is attached by sebific duct, clip.End cap 12 includes drive end bearing bracket 13 with after End cap 14, rear wind scooper 9 are connected with rear end cap 14, and radiation air enters from the air inlet 17 on rear end cap 14, is generated electricity through overexcitation Stator, rotor, the bearing of machine 10, and after all internal components, discharged from the air outlet 15 on drive end bearing bracket 11.
Hydro-generator ventilation radiator structure also includes the pressure indicator 2 for being arranged on the air inlet of air cleaner 1, pressure Indicator 2 is used for the filter element replacing for indicating air cleaner 1 in time, to ensure the fluency of air intake.Pressure indicator 2 and air Cleaner 1 is connected through a screw thread, and from the air cleaner 1 with indicator interface, in order to change filter core in time.Generate electricity Machine ventilation and heat structure also includes the fan shaft 5 and transmission device 8 being arranged in cylinder 6, and aerofoil fan 4 passes through with fan shaft 5 Interference fit.One end connection aerofoil fan 4 of fan shaft 5, the other end pass through the connecting power device 7 of transmission device 8, power Power is transferred to fan shaft 5 by device 7 by transmission device 8, then drives aerofoil fan 4 to rotate by fan shaft 5, strong so as to realize Air intake processed.Power set 7 further use hydraulic motor or motor, and transmission device 8 further uses belt drive unit.
Hydro-generator ventilation radiator structure is by the air inlet 17 on excitation generator 10, and is arranged on excitation generator 10 The support 18 for playing the position of hanging part 16 be supported on the top of excitation generator 10.Filled by aerofoil fan 4, fan shaft 5 and power Axial flow blower and the 10 parallel installation of excitation generator of 7 compositions are put, this mounting means is easy, space hold is small.
Embodiment 2
A kind of specific embodiment of the hydro-generator ventilation heat dissipating method based on structure described in embodiment 1, including:
Aerofoil fan 4 is driven to rotate by power set 7, extraneous air is after the filtering of air cleaner 1 through Windshield 3 Radiation air is formed into cylinder 6, then is entered by the air inlet 17 on rear end cap 14 of the rear wind scooper 9 through excitation generator 10 and encouraged The inside of magnetic generator 10, to the stator, rotor, bearing of excitation generator 10, and after all internal components are radiated, then Discharged from the air outlet 15 on the drive end bearing bracket 11 of excitation generator 10, wherein flow direction of the radiation air in air channel is as in accompanying drawing 1 Shown in the direction of arrow.The hydro-generator ventilation heat dissipating method of the present embodiment description carries out forced ventilation radiating to excitation generator 10, Radiation air is entered by the shaft end of excitation generator 10 and exported from another shaft end, and radiating wind energy covering excitation generator 10 is determined Son, rotor, bearing, and all internal components.
, can by implementing the hydro-generator ventilation radiator structure of specific embodiment of the invention description and the technical scheme of method Produce following technique effect:
(1) the hydro-generator ventilation radiator structure and method of specific embodiment of the invention description, using enclosed-ventilated pipeline, And vent air is filtered using air filtering core, intake is big, air intake quality is high, reduces weight dirt environment to greatest extent Influence to generator ventilation and heat, generator can be made to maintain high-power output, can be to first device of generator Part carries out effective ventilation and heat, effectively protects generator and extends the service life of generator;
(2) the hydro-generator ventilation radiator structure and method of specific embodiment of the invention description, is installed using in air inlet Pressure indicator, the prompting of filter element replacing can be carried out, the fluency of generator air intake is effectively ensured;
(3) the hydro-generator ventilation radiator structure and method of specific embodiment of the invention description, using hydraulic motor or motor Axial flow blower is driven, blower fan driving structure and mode are simpler, and the ventilation for importing generator is bigger;
(4) the hydro-generator ventilation radiator structure and method of specific embodiment of the invention description, generator is carried out forcing to lead to Wind is radiated, and radiation air is entered by shaft end, and is exported from other end, stator, rotor, the bearing of radiating wind energy covering generator, And all internal components, the radiating to generator is more abundant, avoids generator to greatest extent because of internal temperature It is too high and break down;
(5) the hydro-generator ventilation radiator structure and method of specific embodiment of the invention description, is supported using electric generator casing Axial flow blower, the mode of axial flow blower installation parallel with generator, structure is compacter, installation is simpler.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention.Though So the present invention is disclosed as above with preferred embodiment, but is not limited to the present invention.It is any to be familiar with those skilled in the art Member, in the case where not departing from the Spirit Essence of the present invention and technical scheme, all using in the methods and techniques of the disclosure above Appearance makes many possible changes and modifications to technical solution of the present invention, or is revised as the equivalent embodiment of equivalent variations.Therefore, Every content without departing from technical solution of the present invention, the technical spirit according to the present invention is to made for any of the above embodiments any simple Modification, equivalent substitution, equivalence changes and modification, still fall within the scope of technical solution of the present invention protection.

Claims (10)

  1. A kind of 1. hydro-generator ventilation radiator structure, for being aerated radiating to excitation generator (10), it is characterised in that bag Include:Air cleaner (1), Windshield (3), aerofoil fan (4), cylinder (6), power set (7) and rear wind scooper (9);Institute State air cleaner (1) with the Windshield (3) to be connected, the Windshield (3) is with the rear wind scooper (9) by described Cylinder (6) connects, and the rear wind scooper (9) is connected with the excitation generator (10);The aerofoil fan (4) and the power Device (7) is arranged in the cylinder (6), and the aerofoil fan (4) is connected with the power set (7).
  2. 2. hydro-generator ventilation radiator structure according to claim 1, it is characterised in that:The power set (7) drive institute Aerofoil fan (4) rotation is stated, extraneous air enters institute after the air cleaner (1) filtering through the Windshield (3) State cylinder (6) and form radiation air, then by being encouraged described in shaft end entrance of the rear wind scooper (9) through the excitation generator (10) The inside of magnetic generator (10), after being radiated to the internal part including stator, rotor of the excitation generator (10), Discharged again from another shaft end of the excitation generator (10).
  3. 3. hydro-generator ventilation radiator structure according to claim 1 or 2, it is characterised in that:The hydro-generator ventilation radiating Structure also includes the casing (11) of excitation generator (10), and is arranged at the end cap of the excitation generator (10) shaft end (12), the rear wind scooper (9) is connected to the shaft end of the excitation generator (10);The Windshield (3), cylinder (6), after Wind scooper (9), casing (11) and end cap (12) connection form enclosed-ventilated pipeline.
  4. 4. hydro-generator ventilation radiator structure according to claim 3, it is characterised in that:The end cap (12) includes drive end bearing bracket (13) it is connected with rear end cap (14), the rear wind scooper (9) with the rear end cap (14), radiation air is from the rear end cap (14) Air inlet (17) enter, by the stator, rotor, bearing of the excitation generator (10), and after all internal components, from Air outlet (15) discharge on the drive end bearing bracket (11).
  5. 5. hydro-generator ventilation radiator structure according to claim 4, it is characterised in that:The hydro-generator ventilation radiator structure By the air inlet (17) on the excitation generator (10), and it is arranged on hanging part (16) of the excitation generator (10) The support (18) of position is supported on the top of the excitation generator (10).
  6. 6. according to the hydro-generator ventilation radiator structure described in claim 1,2,4 or 5 any one, it is characterised in that:The generating Machine ventilation and heat structure also includes the pressure indicator (2) for being arranged on the air inlet of the air cleaner (1), the pressure Indicator (2) is used for the filter element replacing for indicating the air cleaner (1).
  7. 7. hydro-generator ventilation radiator structure according to claim 6, it is characterised in that:The hydro-generator ventilation radiator structure Also include being arranged on fan shaft (5) and transmission device (8) in the cylinder (6), described in one end of the fan shaft (5) connects Aerofoil fan (4), the other end connect the power set (7) by the transmission device (8), and the power set (7) pass through Power is transferred to the fan shaft (5) by the transmission device (8), then drives the aerofoil fan (4) by the fan shaft (5) Rotate, so as to realize forced air inlet.
  8. 8. according to the hydro-generator ventilation radiator structure described in claim 1,2,4,5 or 7 any one, it is characterised in that:It is described dynamic Power apparatus (7) uses hydraulic motor or motor.
  9. 9. hydro-generator ventilation radiator structure according to claim 8, it is characterised in that:By the aerofoil fan (4), fan The axial flow blower installation parallel with the excitation generator (10) of axle (5) and power set (7) composition.
  10. A kind of 10. hydro-generator ventilation heat dissipating method of the structure based on described in any one of claim 1 to 9, it is characterised in that bag Include:
    Power set (7) driving aerofoil fan (4) rotates, and extraneous air is after air cleaner (1) filtering through Windshield (3) enter cylinder (6) and form radiation air, then pass through entering on rear end cap (14) of the rear wind scooper (9) through excitation generator (10) Air port (17) enters the inside of the excitation generator (10), to the stator, rotor, bearing of the excitation generator (10), and After all internal components are radiated, then from the drive end bearing bracket (11) of the excitation generator (10) air outlet (15) row Go out.
CN201711020887.0A 2017-10-26 2017-10-26 A kind of hydro-generator ventilation radiator structure and method Pending CN107565754A (en)

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Application Number Priority Date Filing Date Title
CN201711020887.0A CN107565754A (en) 2017-10-26 2017-10-26 A kind of hydro-generator ventilation radiator structure and method

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Application Number Priority Date Filing Date Title
CN201711020887.0A CN107565754A (en) 2017-10-26 2017-10-26 A kind of hydro-generator ventilation radiator structure and method

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1866690A (en) * 2006-06-12 2006-11-22 中国北车集团永济电机厂 Low-speed big-diameter high-torque asynchronous motor
CN101022237A (en) * 2007-03-23 2007-08-22 中国北车集团永济电机厂 Asynchronous motor for oil field welldrilling
CN103603817A (en) * 2013-11-18 2014-02-26 周艳 Medium-pressure air blower
CN103618412A (en) * 2013-11-30 2014-03-05 永济新时速电机电器有限责任公司 Vehicle automatic control system motor capable of efficiently dissipating heat at low rotating speed and saving energy at high rotating speed
CN203883647U (en) * 2014-06-18 2014-10-15 湘潭电机股份有限公司 Large-capacity high-speed brushless excitation salient pole synchronous electric generator
CN205308026U (en) * 2016-01-08 2016-06-15 深圳市天雄达科技有限公司 Easy air cleaner who maintains
CN207442638U (en) * 2017-10-26 2018-06-01 株洲时代电子技术有限公司 A kind of hydro-generator ventilation radiator structure

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1866690A (en) * 2006-06-12 2006-11-22 中国北车集团永济电机厂 Low-speed big-diameter high-torque asynchronous motor
CN101022237A (en) * 2007-03-23 2007-08-22 中国北车集团永济电机厂 Asynchronous motor for oil field welldrilling
CN103603817A (en) * 2013-11-18 2014-02-26 周艳 Medium-pressure air blower
CN103618412A (en) * 2013-11-30 2014-03-05 永济新时速电机电器有限责任公司 Vehicle automatic control system motor capable of efficiently dissipating heat at low rotating speed and saving energy at high rotating speed
CN203883647U (en) * 2014-06-18 2014-10-15 湘潭电机股份有限公司 Large-capacity high-speed brushless excitation salient pole synchronous electric generator
CN205308026U (en) * 2016-01-08 2016-06-15 深圳市天雄达科技有限公司 Easy air cleaner who maintains
CN207442638U (en) * 2017-10-26 2018-06-01 株洲时代电子技术有限公司 A kind of hydro-generator ventilation radiator structure

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Application publication date: 20180109