Internal combustion locomotive generator cover

By designing a generator cover for internal combustion locomotives, combining outer cover protection with inner cover sound absorption and noise reduction, and utilizing a horn-shaped air intake and a cooling motor, the problems of low heat dissipation efficiency and inability to isolate noise were solved, achieving efficient heat dissipation and noise reduction.

CN223713713UActive Publication Date: 2025-12-23FUJIAN EVERSTRONG LEGA POWER EQUIP CO LTD
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Patent Information

Application Number
CN202520261783.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2025-12-23
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

Existing diesel locomotive generators have low heat dissipation efficiency and cannot effectively isolate noise.

Method used

A generator cover for an internal combustion locomotive was designed, comprising an outer cover and an inner cover. The outer cover provides protection, the inner cover absorbs noise, and the inner cover houses a cooling motor and an exhaust fan. The air intake adopts a trumpet-shaped structure, utilizing adiabatic expansion and the Joule-Thomson effect to improve heat dissipation.

Benefits of technology

It improves the generator's heat dissipation efficiency and effectively reduces operating noise, providing a quieter working environment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223713713U_ABST
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Abstract

The utility model discloses a diesel locomotive generator cover which comprises a mounting plate, the top of the mounting plate is fixedly connected with an outer cover body, the left side wall and the right side wall of the outer cover body are fixedly connected with a plurality of outer filter screens, and the outer filter screens are symmetrically distributed on the outer cover body. By arranging the mounting plate, the outer cover body, the outer filter screen, the top hole, the air suction cylinder, the limiting ring, the top filter screen, the lower filter screen, the inner cover body, the exhaust hole, the inner hole, the heat dissipation motor and the exhaust fan, the outer cover body and the inner cover body are arranged, the outer cover body provides a protection effect, and the inner cover body can absorb noise generated in the working process of the generator, so that the noise reduction effect is achieved, and the service life of the generator is prolonged. And meanwhile, the heat dissipation motor and the exhaust fan are arranged inside, when the heat dissipation motor is started, the air suction cylinder sucks in external air, due to the fact that the air suction cylinder is in a horn shape, the temperature is reduced after adiabatic expansion and the Joule-Thomson effect, and therefore the heat dissipation effect on the internal generator is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of internal combustion locomotive generator, concretely is a kind of internal combustion locomotive generator cover. BACKGROUND

[0002] Internal combustion locomotive generator is an important component of internal combustion locomotive, its main role is to convert the mechanical energy of internal combustion engine into electrical energy, to provide power for the traction motor and other electrical equipment of locomotive. Generator needs to use generator cover to protect it.

[0003] The existing internal combustion locomotive generator generates a large amount of heat when working, so the generator cover heats up, so the generator needs to be cooled. The existing cooling method is to provide a breathable cover on the outside of the generator combined with the protective cover, which facilitates cooling and provides protection. However, this cooling method is inefficient and does not isolate the noise generated during the operation of the generator. SUMMARY

[0004] The utility model aims at providing a kind of internal combustion locomotive generator cover, be provided with outer cover body and inner cover body, outer cover body provides protection effect, inner cover body can absorb the noise generated during the operation of generator, to play the role of noise reduction, while internally provided with cooling motor and exhaust fan, when starting cooling motor, suction cylinder inhales external air, because suction cylinder is horn-shaped, after experiencing adiabatic expansion and joule-thomson effect, temperature decreases, thereby improving the cooling effect of internal generator.

[0005] To achieve the above purpose, a kind of internal combustion locomotive generator cover is provided, comprising: mounting plate, the top of the mounting plate is fixedly connected with outer cover body, the left and right side walls of the outer cover body are fixedly connected with outer filter screen, the number of the outer filter screen is set to multiple, and symmetrically distributed on the outer cover body, the top of the outer cover body is provided with top hole, the number of the top hole is set to multiple, and evenly distributed on the top of the outer cover body, the inside of the top hole is threadedly connected with suction cylinder, the suction cylinder is horn-shaped, and the small mouth faces downward, the top of the suction cylinder is fixedly connected with limit ring, the inside of the suction cylinder is clamped with top filter screen and lower filter screen, the number of the suction cylinder, limit ring, top filter screen and lower filter screen is set to multiple, and all located in the inside of top hole, the inside of the outer cover body is provided with inner cover body, the left and right side walls of the inner cover body are provided with exhaust hole, the number of the exhaust hole is set to multiple, and symmetrically distributed on the inner cover body, the top of the inner cover body is provided with inner hole, the number of the inner hole is set to multiple, and evenly distributed on the top of the inner cover body, the top of the inner cover body is provided with cooling motor, the bottom output end of the cooling motor is fixedly connected with exhaust fan, the inner cover body and outer cover body are fixedly connected with reinforcing rib between them, the number of the reinforcing rib is set to multiple, and evenly distributed between the inner cover body and outer cover body.

[0006] According to the internal combustion engine generator cover, the bottom of the inner cover body is fixedly connected with the mounting plate, and the inner cover body and the reinforcing ribs are made of porous sound-absorbing materials.

[0007] According to the internal combustion engine generator cover, the inner hole is located below the top hole, and the bottom of the air suction cylinder is located inside the inner hole.

[0008] According to the internal combustion engine generator cover, the outer cover body and the mounting plate are made of stainless steel.

[0009] According to the internal combustion engine generator cover, the exhaust hole is located on the inner side of the outer filter screen, and the reinforcing ribs are staggered with the exhaust holes.

[0010] According to the internal combustion engine generator cover, the top of the heat dissipation motor penetrates through the inner cover body and is fixedly connected with the outer cover body, and the exhaust fan is located inside the inner cover body.

[0011] According to the internal combustion engine generator cover, the mounting plate is provided with mounting holes, the number of the mounting holes is multiple, and the mounting holes are uniformly distributed on the mounting plate.

[0012] Compared with the prior art, the internal combustion engine generator cover has the beneficial effects that: the mounting plate, the outer cover body, the outer filter screen, the top hole, the air suction cylinder, the limiting ring, the top filter screen, the lower filter screen, the inner cover body, the exhaust hole, the inner hole, the heat dissipation motor and the exhaust fan are arranged, the outer cover body provides a protection function, the inner cover body can absorb noise generated in the working process of the generator, thereby playing a noise reduction role, and the heat dissipation motor and the exhaust fan are arranged inside, when the heat dissipation motor is started, the air suction cylinder inhales external air, after experiencing adiabatic expansion and the Joule-Thomson effect, the temperature is reduced, thereby improving the heat dissipation effect on the internal generator.

[0013] Additional aspects and advantages of the present application will be given in part in the following description, will become apparent from the following description, or will be learned by practicing the present application. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present application will be further described below in combination with the drawings and embodiments.

[0015] Figure 1 It is a front view of the internal combustion engine generator cover of the present application.

[0016] Figure 2 It is a sectional view of the internal combustion engine generator cover of the present application.

[0017] Figure 3The utility model discloses a sectional view of suction cylinder of internal combustion locomotive generator cover.

[0018] Figure 4 The utility model discloses a bottom view of internal combustion locomotive generator cover.

[0019] In the drawing: 1, mounting plate, 2, outer cover body, 3, outer filter screen, 4, top hole, 5, suction cylinder, 6, limit ring, 7, top filter screen, 8, lower filter screen, 9, inner cover body, 10, exhaust hole, 11, inner hole, 12, heat dissipation motor, 13, exhaust fan, 14, reinforcing rib, 15, mounting hole. Specific embodiments

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-4The utility model provides a kind of technical scheme: a diesel locomotive generator cover, comprising: mounting plate 1, the top of mounting plate 1 is fixedly connected with outer cover 2, outer cover 2's left and right side wall is fixedly connected with outer filter screen 3, the number of outer filter screen 3 is set to multiple, and symmetrically distributed on outer cover 2, the top of outer cover 2 is provided with top hole 4, the number of top hole 4 is set to multiple, and evenly distributed on the top of outer cover 2, the inside of top hole 4 is threadedly connected with suction cylinder 5, suction cylinder 5 is trumpet-shaped, and small mouth faces downward, when outside air flows from the top of suction cylinder 5 to the inside of inner cover 9, experiences adiabatic expansion and Joule-Thomson effect, so that the temperature of incoming air drops, to improve the heat dissipation effect of internal generator, the top of suction cylinder 5 is fixedly connected with limit ring 6, the inside of suction cylinder 5 is clamped with top filter screen 7 and lower filter screen 8, the number of suction cylinder 5, limit ring 6, top filter screen 7 and lower filter screen 8 is set to multiple, and all be located in the inside of top hole 4, the inside of outer cover 2 is provided with inner cover 9, the left and right side wall of inner cover 9 is provided with exhaust hole 10, the number of exhaust hole 10 is set to multiple, and symmetrically distributed on inner cover 9, exhaust hole 10 is located in the inside of outer filter screen 3, the top of inner cover 9 is provided with inner hole 11, the number of inner hole 11 is set to multiple, and evenly distributed on the top of inner cover 9, inner hole 11 is located below top hole 4, the bottom of suction cylinder 5 is located in the inside of inner hole 11, the top of inner cover 9 is provided with heat dissipation motor 12, the bottom output end of heat dissipation motor 12 is fixedly connected with exhaust fan 13, the top of heat dissipation motor 12 is fixedly connected with outer cover 2 and passes through inner cover 9, when starting heat dissipation motor 12, outside air can be sucked into the inside of inner cover 9 by suction cylinder 5, is discharged from exhaust hole 10 and outer filter screen 3 after heat exchange, forms the heat dissipation of generator, inner cover 9 and outer cover 2 are fixedly connected with reinforcing rib 14 between, the number of reinforcing rib 14 is set to multiple, and evenly distributed between inner cover 9 and outer cover 2, reinforcing rib 14 is staggered distribution with exhaust hole 10, reinforcing rib 14 is used for strengthening the stability between inner cover 9 and outer cover 2.

[0022] The bottom of inner cover 9 is fixedly connected with mounting plate 1, inner cover 9 and reinforcing rib 14 all adopt porous sound-absorbing material, the porosity in the inside of porous sound-absorbing material can absorb noise to form noise reduction, outer cover 2 and mounting plate 1 all adopt stainless steel material, provide protection for the whole device.

[0023] Mounting hole 15 is set up on mounting plate 1, the number of mounting hole 15 is set to multiple, and evenly distributed on mounting plate 1.

[0024] Working principle: the installation plate 1 is installed on the outside of the generator by installation hole 15 and bolt, when the generator works, start the heat dissipation motor 12, make the exhaust fan 13 rotate, so that the external air is sucked into the inner cover body 9 from the air suction cylinder 5, because the air suction cylinder 5 is trumpet-shaped, the temperature of the sucked air is reduced after experiencing adiabatic expansion and Joule-Thomson effect, so that it can better exchange heat with the generator shell, and the hot gas is discharged from the exhaust hole 10 and the outer filter screen 3, the heat dissipation is completed, and the noise generated during the operation of the generator is reduced under the action of the inner cover body 9 and the reinforcing rib 14, so that the generator works more quietly.

[0025] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. An internal combustion engine vehicle generator cover, comprising: The utility model provides an installation plate (1), its characterized in be fixedly connected with the cover body (2) on the top of installation plate (1), the left and right side wall of cover body (2) is fixedly connected with outer filter screen (3), the number of outer filter screen (3) is set to multiple, and symmetry distribution is on cover body (2), the top of cover body (2) is provided with top hole (4), the number of top hole (4) is set to multiple, and evenly distributed on the top of cover body (2), the inside screw thread of top hole (4) is connected with suction cylinder (5), suction cylinder (5) is horn -like, and small mouth faces downward, the top of suction cylinder (5) is fixedly connected with limit ring (6), the inside of suction cylinder (5) is clamped with top filter screen (7) and lower filter screen (8), the number of suction cylinder (5), limit ring (6), top filter screen (7) and lower filter screen (8) is set to multiple, and all be located in the inside of top hole (4), the inside of cover body (2) is provided with inner cover body (9), the left and right side wall of inner cover body (9) is provided with exhaust hole (10), the number of exhaust hole (10) is set to multiple, and symmetry distribution is on inner cover body (9), the top of inner cover body (9) is provided with inner hole (11), the number of inner hole (11) is set to multiple, and evenly distributed on the top of inner cover body (9), the top of inner cover body (9) is provided with heat dissipation motor (12), the bottom output of heat dissipation motor (12) fixedly connected with exhaust fan (13), inner cover body (9) and cover body (2) are fixedly connected with the reinforcing rib (14) between them, the number of reinforcing rib (14) is set to multiple, and evenly distributed between inner cover body (9) and cover body (2).

2. An engine generator housing for an internal combustion engine vehicle as claimed in claim 1 wherein: The bottom of the inner cover body (9) is fixedly connected with the installation plate (1), and the inner cover body (9) and the reinforcing rib (14) are made of porous sound-absorbing material.

3. An engine generator housing for an internal combustion engine vehicle as defined in claim 1, characterized in that: The inner hole (11) is located below the top hole (4), and the bottom of the suction cylinder (5) is located inside the inner hole (11).

4. An engine generator housing for an internal combustion engine vehicle as defined in claim 1, characterized in that: The outer cover body (2) and the installation plate (1) are made of stainless steel material.

5. An engine generator housing for an internal combustion engine vehicle as defined in claim 1, characterized in that: The exhaust hole (10) is located inside the outer filter screen (3), and the reinforcing rib (14) is staggered with the exhaust hole (10).

6. An engine generator housing for an internal combustion engine vehicle as defined in claim 1, characterized in that: The top of the heat dissipation motor (12) penetrates the inner cover body (9) and is fixedly connected with the outer cover body (2), and the exhaust fan (13) is located inside the inner cover body (9).

7. An engine generator housing for an internal combustion engine vehicle as defined in claim 1, characterized in that: The installation plate (1) is provided with a mounting hole (15), and a plurality of mounting holes (15) are evenly distributed on the installation plate (1).