CN203674837U

CN203674837U - Improved generating set structure

Info

Publication number: CN203674837U
Application number: CN201420025938.4U
Authority: CN
Inventors: 李廷才; 李峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-01-08
Filing date: 2014-01-08
Publication date: 2014-06-25
Anticipated expiration: 2024-01-08

Abstract

The utility model discloses an improved generating set structure. The improved generating set structure comprises a housing. The housing is internally provided with a stator and a rotor. The center of the rotor is provided with a ventilation pipe; the outer side of the ventilation pipe is provided with an axial-flow blower fan; the axial-flow blower fan is connected with the rotor; the rotor is internally provided with a plurality of first gas outlet flow channels in an annular form by taking the center line of the rotor as a center; each first gas outlet flow channel is provided with a by-pass pipe; the air inlets and the air outlets of the by-pass pipes are connected with the first gas outlet flow channels; second gas outlet flow channels are connected with the connection positions of the first gas outlet flow channels and the air outlets of the by-pass pipes; the second gas outlet flow channels communicate with the outer surface of the rotor; the stator is uniformly provided with a plurality of ventilation slots; the ventilation slots are arc-shaped; the air inlets of the ventilation slots are provided with hyperboloid-shaped interfaces; and the housing is provided with air exits. The generating set structure provided by the utility model improves the defects of a conventional technology, and through reasonable design of ventilation flow channels, reduces wind noise and jittering.

Description

A kind of improved generator unit structure

Technical field

The utility model relates to a kind of generating equipment, especially a kind of improved generator unit structure.

Background technology

Generating set is in the time of work, and the heat radiation quality of stator and rotor has direct impact to the efficiency of generator.Chinese utility model patent CN201430505Y discloses a kind of ventilating device for magnetic generator, can improve the radiating efficiency of generator.But this ventilation unit has only been considered the effect of ventilation and heat, but because air current flow is unstable, the problem that can make an uproar and shake with the wind comes from.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of improved generator unit structure, can improve the deficiencies in the prior art, by appropriate design ventilation runner, has reduced wind and has made an uproar, and has reduced shake.

For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.

A kind of improved generator unit structure, comprise shell, in shell, be provided with stator and rotor, described rotor center is provided with ventilation duct, the arranged outside of ventilation duct has axial flow blower, axial flow blower is connected with rotor, be provided with several in internal rotor annular centered by the center line of rotor and go out the first air-out runner, on each the first air-out runner, be provided with a shunt valve, the air inlet of shunt valve and gas outlet are all connected on the first air-out runner, the first air-out runner is 100 °～120 ° with the angle that is connected of junction, shunt valve gas outlet, also be connected with the second air-out runner at the first air-out runner and junction, shunt valve gas outlet, the second air-out runner communicates with the outer surface of rotor, the angle of the second air-out runner and rotor outer surface direction of rotation tangent line is 25 °～50 °, the first air-out runner and the second air-out runner, the ratio of shunt valve caliber is 5: 3: 1, on described stator, be evenly provided with several ventilation slots, ventilation slot is arc, and the radius of curvature of ventilation slot is greater than the radius of curvature of stator, and the air inlet of ventilation slot is provided with hyperboloid shape interface, on described shell, be provided with exhaust outlet.

As preferably, on described axial flow blower, be provided with filter.

As preferably, described outer casing bottom is provided with rubber blanket, between outer casing bottom and rotor, is provided with triangular support bracket.

As preferably, the outer surface of described rotor is evenly provided with bar shaped yoke, the interface interlace setting of bar shaped yoke and described the second air-out runner and rotor.

The beneficial effect that adopts technique scheme to bring is: the utility model is provided with two sections of runners on rotor, the first air-out runner utilizes the anti-stream effect of shunt valve to reduce the impulsive force of air-flow to the second air-out runner, having reduced wind makes an uproar, the second air-out runner has changed air outlet angle, the direction that itself and rotor are rotated matches, the wind having reduced on the one hand when air-flow flows out rotor is made an uproar, and has reduced in addition the recoil active force of air-flow to rotor, has reduced the vibration of rotor.The ventilation slot of arc matches with the air flow direction flowing out from internal rotor, has reduced the shock of air-flow and ventilation slot, has further reduced wind and has made an uproar.Because the interface of two contact-making surfaces is the wind main positions that produce of making an uproar, when hyperboloid shape interface can greatly reduce air-flow and flows into ventilation slot and the friction of interface, reduce wind and made an uproar.Filter avoids extraneous dust to enter generator, and rubber blanket can be avoided the generation of resonance, and triangular support bracket Stability Analysis of Structures can make the end of rotor form stable connection with shell, reduces the vibration bringing of collecting together of rotor.Bar shaped yoke is used for supplementing the torsional deformation of the rotor magnetic line bringing due to radiating flow passage, the power loss that can avoid radiating flow passage to bring.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of an embodiment of the utility model.

Fig. 2 is the schematic diagram at an embodiment rotor air intake place of the utility model.

Fig. 3 is the schematic diagram of airflow path in embodiment rotor of the utility model.

In figure: 1, shell; 2, stator; 3, rotor; 4, ventilation duct; 5, axial flow blower; 6, the first air-out runner; 7, shunt valve; 8, the second air-out runner; 9, ventilation slot; 10, hyperboloid shape interface; 11, exhaust outlet; 12, filter; 13, rubber blanket; 14, triangular support bracket; 15, bar shaped yoke; 16, air compressor; α, connection angle; β, angle.

Embodiment

With reference to Fig. 1-3, embodiment of the utility model comprises shell 1, in shell 1, be provided with stator 2 and rotor 3, described rotor 3 centers are provided with ventilation duct 4, the arranged outside of ventilation duct 4 has axial flow blower 5, axial flow blower 5 is connected with rotor 3, be provided with several in rotor 3 inside annular centered by the center line of rotor 3 and go out the first air-out runner 6, on each the first air-out runner 6, be provided with a shunt valve 7, the air inlet of shunt valve 7 and gas outlet are all connected on the first air-out runner 6, the first air-out runner 6 is 100 ° with the angle α that is connected of shunt valve 7 junctions, gas outlet, also be connected with the second air-out runner 8 at the first air-out runner 6 with shunt valve 7 junctions, gas outlet, the second air-out runner 8 communicates with the outer surface of rotor 3, the second air-out runner 8 is 35 ° with the angle β of rotor 3 outer surface direction of rotation tangent lines, the first air-out runner 6 and the second air-out runner 8, the ratio of shunt valve 7 calibers is 5: 3: 1, on described stator 2, be evenly provided with several ventilation slots 9, ventilation slot 9 is arc, and the radius of curvature of ventilation slot 9 is greater than the radius of curvature of stator 2, and the air inlet of ventilation slot 9 is provided with hyperboloid shape interface 10, on described shell 1, be provided with exhaust outlet 11.

It should be noted that on described axial flow blower 5 and be provided with filter 12.

It should be noted that described shell 1 bottom is provided with rubber blanket 13, is provided with triangular support bracket 14 between shell 1 bottom and rotor 3.

In addition, the outer surface of described rotor 3 is evenly provided with bar shaped yoke 15, bar shaped yoke 15 and the interface interlace setting of described the second air-out runner 8 with rotor 3.

Wherein, between axial flow blower 5 and ventilation duct 4, be also provided with air compressor 16, air compressor 16 can improve the air inflow of breather pipe 4, improves the radiating efficiency of generating set.

Operation principle of the present utility model is: the utility model is provided with two sections of runners on rotor 3, the first air-out runner 6 utilizes the anti-stream effect of shunt valve 7 to reduce the impulsive force of air-flow to the second air-out runner 8, having reduced wind makes an uproar, the second air-out runner 8 has changed air outlet angle, the direction that itself and rotor 3 are rotated matches, the wind having reduced on the one hand when air-flow flows out rotor 3 is made an uproar, and has reduced in addition the recoil active force of air-flow to rotor 3, has reduced the vibration of rotor 3.The ventilation slot 9 of arc matches with the air flow direction flowing out from rotor 3 inside, has reduced the shock of air-flow and ventilation slot 9, has further reduced wind and has made an uproar.Because the interface of two contact-making surfaces is the wind main positions that produce of making an uproar, when hyperboloid shape interface 10 can greatly reduce air-flow and flows into ventilation slot 9 and the friction of interface, reduce wind and made an uproar.Filter 12 avoids extraneous dust to enter generator, and rubber blanket 13 can be avoided the generation of resonance, and triangular support bracket 14 Stability Analysis of Structures can make the end of rotor 3 form stable connection with shell 1, reduce the vibration bringing of collecting together of rotor 3.Bar shaped yoke 15 is used for supplementing the torsional deformation of the rotor magnetic line bringing due to radiating flow passage, the power loss that can avoid radiating flow passage to bring.The present embodiment is preferably 100 ° by the first air-out runner 6 with the angle α that is connected of shunt valve 7 junctions, gas outlet, the second air-out runner 8 is preferably 35 ° with the angle β of rotor 3 outer surface direction of rotation tangent lines, coordinate the ratio of the first air-out runner 6 of 5: 3: 1 and the second air-out runner 8, shunt valve 7 calibers, wind is made an uproar and is reduced more than 90%, shake amplitude reduces more than 85%, chattering frequency reduces more than 70%, can play optimum efficiency.

More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims

1. an improved generator unit structure, comprise shell (1), in shell (1), be provided with stator (2) and rotor (3), it is characterized in that: described rotor (3) center is provided with ventilation duct (4), the arranged outside of ventilation duct (4) has axial flow blower (5), axial flow blower (5) is connected with rotor (3), be provided with several in rotor (3) inside annular centered by the center line of rotor (3) and go out the first air-out runner (6), on each the first air-out runner (6), be provided with a shunt valve (7), the air inlet of shunt valve (7) and gas outlet are all connected on the first air-out runner (6), the first air-out runner (6) is 100 °～120 ° with the angle (α) that is connected of shunt valve (7) junction, gas outlet, also be connected with the second air-out runner (8) in the first air-out runner (6) and shunt valve (7) junction, gas outlet, the second air-out runner (8) communicates with the outer surface of rotor (3), the second air-out runner (8) is 25 °～50 ° with the angle (β) of rotor (3) outer surface direction of rotation tangent line, the first air-out runner (6) and the second air-out runner (8), the ratio of shunt valve (7) caliber is 5: 3: 1, on described stator (2), be evenly provided with several ventilation slots (9), ventilation slot (9) is arc, the radius of curvature of ventilation slot (9) is greater than the radius of curvature of stator (2), and the air inlet of ventilation slot (9) is provided with hyperboloid shape interface (10), on described shell (1), be provided with exhaust outlet (11).

2. improved generator unit structure according to claim 1, is characterized in that: on described axial flow blower (5), be provided with filter (12).

3. improved generator unit structure according to claim 1, it is characterized in that: described shell (1) bottom is provided with rubber blanket (13), between shell (1) bottom and rotor (3), be provided with triangular support bracket (14).

4. improved generator unit structure according to claim 1, it is characterized in that: the outer surface of described rotor (3) is evenly provided with bar shaped yoke (15) bar shaped yoke (15) and the interface interlace setting of described the second air-out runner (8) with rotor (3).