CN215444167U

CN215444167U - Internal heat dissipation structure of turbine generator set

Info

Publication number: CN215444167U
Application number: CN202121887640.0U
Authority: CN
Inventors: 朱晓勤; 颜聪烨
Original assignee: Xiamen Lide Power Technology Co ltd
Current assignee: Xiamen Lide Power Technology Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-01-07
Anticipated expiration: 2031-08-12

Abstract

The utility model provides an internal heat dissipation structure of a turbo generator set, which comprises a generator set box, wherein a water tank is arranged on one side of the generator set box, an installation cavity is arranged in the generator set box, a generator shaft penetrates through the installation cavity, a rotor is arranged on the generator shaft, a stator is sleeved outside the rotor, a cooling cavity is sleeved outside the stator, and the cooling cavity is attached to the inner wall of the installation cavity; air inlet ducts are respectively arranged on two sides of the installation cavity, a spiral contact pipeline is arranged in each air inlet duct, an air inlet pipe is connected between one side of each air inlet duct and the installation cavity, and an air inlet fan is arranged in each air inlet pipe. The utility model directly carries out heat dissipation on internal elements of the generator, and adopts two heat dissipation modes of air cooling and water cooling, thereby having good heat dissipation effect.

Description

Internal heat dissipation structure of turbine generator set

Technical Field

The utility model mainly relates to the technical field of turbine generator sets, in particular to an internal heat dissipation structure of a turbine generator set.

Background

The turbine generator is generally composed of a turbine, a gearbox, a generator, an intake supercharger and an exhaust system. The gas turbine generator operates by a compressor (i.e., compressor) that continuously draws in air from the atmosphere and compresses it; the compressed air enters a combustion chamber, is mixed with the injected fuel and then is combusted to form high-temperature gas, and then the high-temperature gas immediately flows into a gas turbine to expand and do work to push a turbine impeller to drive a compressor impeller to rotate together; the work capacity of the heated high-temperature gas is obviously improved, so that the gas turbine still has residual work as the output mechanical work of the gas turbine while driving the compressor.

For example, application number is CN 202020794655.1's patent application, including the protecting crust, the bottom fixed mounting of protecting crust inner chamber has generating set, the front and the back of protecting crust all articulate there is the dodge gate, the middle part fixed mounting on protecting crust top has the kicking block, the positive top fixed mounting of dodge gate has the diaphragm. Although the heat dissipation area inside the protective shell is increased and the heat dissipation effect inside the protective shell is improved, the heat dissipation is only performed on the generator shell, the heat dissipation of internal elements of the generator cannot be directly performed, and the method is single, so that the heat dissipation effect of a heat dissipation system is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides an internal heat dissipation structure of a turbine generator set, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

an internal heat dissipation structure of a turbine generator set comprises a generator set box, wherein a water tank is installed on one side of the generator set box, an installation cavity is formed in the generator set box, a generator shaft penetrates through the installation cavity, a rotor is arranged on the generator shaft, a stator is sleeved outside the rotor, a cooling cavity is sleeved outside the stator, and the cooling cavity is attached to the inner wall of the installation cavity; the mounting cavity both sides are equipped with the air inlet duct respectively, the inside spiral helicine contact pipeline that is equipped with of air inlet duct, be connected with the air-supply line between air inlet duct one side and the mounting cavity, the inside air intake fan that is equipped with of air-supply line.

Preferably, the outer wall of the stator is connected with radiating fins, and a plurality of heat conducting blocks are connected between the radiating fins and the inner wall of the cooling cavity.

Preferably, a water guide pipe is connected between the cooling cavity and the water tank.

Preferably, a support is connected between the contact pipeline and the inner wall of the air inlet duct, and two ends of the contact pipeline are connected with the water tank.

Preferably, one end of the air inlet duct, which is far away from the air inlet pipe, is provided with an air inlet, and the air inlet is provided with a filter screen.

Preferably, the generator shaft is rotatably connected with an air guide disc, and the air inlet pipe faces to the arc-shaped surface of the air guide disc.

Preferably, an air outlet is formed in one side of the generator set box, and a one-way air outlet valve is installed at the air outlet.

Compared with the prior art, the utility model has the beneficial effects that:

the cooling cavity is filled with cooling water, heat generated by the rotor and the stator due to work is quickly dissipated by the radiating fins, and the cooling water in the cooling cavity reduces the temperature in the mounting cavity through the transmission of the heat conducting block, so that water-cooling heat dissipation is realized; starting an air inlet fan, enabling air to enter an air inlet of an air inlet duct, filtering foreign matters such as dust and the like by air flow through a filter screen, enabling the air flow to fully contact with a contact pipeline due to the fact that the contact pipeline is spiral, and enabling the temperature of the air flow to be reduced due to the fact that cooling water is arranged inside the contact pipeline, forming cold air flow, enabling the cold air flow to enter an installation cavity through an air inlet pipe and blow onto the arc-shaped surface of an air guide disc due to the guiding of the air inlet fan, quickly turning, blowing the cold air flow to a rotor and a stator, and achieving air cooling; can directly dispel the heat to generator internal element, the radiating effect is good to adopt water-cooling and forced air cooling two kinds of modes heat dissipation, further improve the radiating effect good.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the air inlet duct according to the present invention;

fig. 4 is a perspective view of the air guide plate of the present invention.

In the figure: 1. a generator set box; 11. a mounting cavity; 12. a generator shaft; 13. a rotor; 14. a stator; 15. a cooling cavity; 16. heat dissipation fins; 17. a heat conducting block; 18. a water conduit; 2. an air inlet duct; 21. contacting the conduit; 22. a support; 23. an air inlet pipe; 24. an air intake fan; 25. a filter screen; 26. an air guide plate; 27. an air outlet; 28. a one-way air outlet valve; 3. a water tank.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, the present invention provides a technical solution: the utility model provides an inside heat radiation structure of turbo generator set, includes generating set case 1, water tank 3 is installed to generating set case 1 one side, generating set case 1 inside is equipped with

installation cavity

11, 11 inside running through of installation cavity are equipped with generator shaft 12, the last rotor 13 that is equipped with of generator shaft 12, the 13 overcoat of rotor is equipped with stator 14, the 14 overcoat of stator is equipped with cooling cavity 15, cooling cavity 15 and the laminating of 11 inner walls of installation cavity, be connected with heat radiation fins 16 on stator 14's the outer wall, be connected with a plurality of heat conduction pieces 17 between heat radiation fins 16 and the 15 inner walls of cooling cavity, be connected with aqueduct 18 between cooling cavity 15 and the water tank 3. The cooling cavity 15 is filled with cooling water, the rotor 13 and the stator 14 generate heat due to work, the heat is rapidly dissipated by the heat dissipation fins 16, and the temperature inside the installation cavity 11 is reduced by the cooling water inside the cooling cavity 15 through the transmission of the heat conduction blocks 17, so that water-cooling heat dissipation is realized.

Please refer to fig. 1-4, the two sides of the installation cavity 11 are respectively provided with an air inlet duct 2, a spiral contact pipeline 21 is arranged in the air inlet duct 2, a support 22 is connected between the contact pipeline 21 and the inner wall of the air inlet duct 2, both ends of the contact pipeline 21 are connected with the water tank 3, an air inlet pipe 23 is connected between one side of the air inlet duct 2 and the installation cavity 11, an air inlet fan 24 is arranged in the air inlet pipe 23, an air inlet is arranged at one end of the air inlet duct 2 far away from the air inlet pipe 23, and a filter screen 25 is arranged at the air inlet, an air guide disc 26 is rotatably connected on the generator shaft 12, the air inlet pipe 23 faces the arc-shaped surface of the air guide disc 26, one side of the generator set box 1 is provided with an air outlet 27, one-way air outlet valve 28 is installed at air outlet 27, and one-way air outlet valve 28 can avoid air inlet of air outlet 27 to influence the internal heat dissipation of generator set box 1. Start air intake fan 24, the air intake of air inlet duct 2, the air current passes through filter screen 25 and filters foreign matter such as dust, enter into inside air inlet duct 2, be the heliciform because of contact pipeline 21, make the air current fully contact with contact pipeline 21, there is the cooling water because of contact pipeline 21 is inside again, make the air current temperature reduce, form the cold air current, the cold air current is because of air intake fan 24's guide, enter into installation cavity 11 through air-supply line 23, blow to on leading air disk 26 arcwall face, the diversion rapidly, blow out to rotor 13 and stator 14, realize the forced air cooling, the existence of air outlet 27, can guarantee the inside circulation of air, guarantee the cooling effect.

The specific operation mode of the utility model is as follows:

when the working personnel uses, the cooling cavity 15 is filled with cooling water, the rotor 13 and the stator 14 generate heat due to work, the heat is quickly dissipated by the heat dissipation fins 16, the heat is transferred by the heat conduction block 17, the temperature inside the installation cavity 11 is reduced by the cooling water inside the cooling cavity 15, thereby realizing water-cooling heat dissipation, the air inlet fan 24 is started, the air inlet of the air inlet duct 2 enters air, the air flow filters foreign matters such as dust and the like through the filter screen 25 and enters the air inlet duct 2, the air flow is fully contacted with the contact pipeline 21 because the contact pipeline 21 is spiral, the air flow temperature is reduced because the cooling water is arranged inside the contact pipeline 21, so as to form cold air flow, the cold air flow enters the installation cavity 11 through the air inlet pipe 23 due to the guide of the air inlet fan 24 and is blown onto the arc-shaped surface of the air guide plate 26, the cold air flow is quickly changed in direction and is blown out to the rotor 13 and the stator 14, thereby realizing air-cooling, and being capable of directly dissipating heat for the internal elements of the generator, the radiating effect is good, and the radiating effect is good by adopting two modes of water cooling and air cooling to further improve the radiating effect.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. The utility model provides an inside heat radiation structure of turbo generator set, includes generating set case (1), its characterized in that: a water tank (3) is mounted on one side of the generator set box (1), an installation cavity (11) is arranged inside the generator set box (1), a generator shaft (12) penetrates through the installation cavity (11), a rotor (13) is arranged on the generator shaft (12), a stator (14) is sleeved outside the rotor (13), a cooling cavity (15) is sleeved outside the stator (14), and the cooling cavity (15) is attached to the inner wall of the installation cavity (11);

installation cavity (11) both sides are equipped with air inlet duct (2) respectively, air inlet duct (2) inside is equipped with spiral helicine contact pipeline (21), be connected with between air inlet duct (2) one side and installation cavity (11) air-supply line (23), air-supply line (23) inside is equipped with inlet fan (24).

2. The internal heat dissipation structure of a turbo generator set according to claim 1, wherein: the outer wall of the stator (14) is connected with radiating fins (16), and a plurality of heat conducting blocks (17) are connected between the radiating fins (16) and the inner wall of the cooling cavity (15).

3. The internal heat dissipation structure of a turbo generator set according to claim 1, wherein: and a water guide pipe (18) is connected between the cooling cavity (15) and the water tank (3).

4. The internal heat dissipation structure of a turbo generator set according to claim 1, wherein: be connected with support (22) between contact pipeline (21) and air inlet duct (2) inner wall, contact pipeline (21) both ends all are connected with water tank (3).

5. The internal heat dissipation structure of a turbo generator set according to claim 1, wherein: an air inlet is formed in one end, far away from the air inlet pipe (23), of the air inlet channel (2), and a filter screen (25) is installed at the position of the air inlet.

6. The internal heat dissipation structure of a turbo generator set according to claim 1, wherein: the generator shaft (12) is rotatably connected with an air guide disc (26), and the air inlet pipe (23) faces to the arc-shaped surface of the air guide disc (26).

7. The internal heat dissipation structure of a turbo generator set according to claim 1, wherein: one side of the generator set box (1) is provided with an air outlet (27), and a one-way air outlet valve (28) is installed at the air outlet (27).