CN212435573U - Inverter capable of dissipating heat quickly for electric locomotive - Google Patents

Inverter capable of dissipating heat quickly for electric locomotive Download PDF

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Publication number
CN212435573U
CN212435573U CN202021377029.9U CN202021377029U CN212435573U CN 212435573 U CN212435573 U CN 212435573U CN 202021377029 U CN202021377029 U CN 202021377029U CN 212435573 U CN212435573 U CN 212435573U
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fixedly connected
shell
fan
air outlet
heat
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不公告发明人
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Zhuzhou Guoteng Intelligent Technology Co.,Ltd.
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Abstract

The utility model discloses a fast heat-dissipation inverter for an electric locomotive, which comprises a shell and an inverter circuit, the shell is a square cavity, the inner cavity is a heat dissipation cavity, a main fan base is fixedly connected to the left inner side wall of the shell, the right side of the main fan base is fixedly connected with a heat radiation fan which is vertically arranged, the middle of the inner bottom surface of the shell is fixedly connected with a circuit base, the two sides of the circuit base are fixedly connected with heat insulation boards which divide the bottom of the shell into two circuit boxes, an inverter circuit is fixedly connected above the circuit box, a pair of fan bases is fixedly connected on the right inner side wall of the shell, the auxiliary fan base is fixedly connected with a guide fan, an air outlet is arranged above the shell, the air outlet below fixedly connected with a plurality of main guide plates, air outlet both sides respectively fixedly connected with a pair of guide plate. The utility model discloses in, adopt fin and fan duplicate heat dissipation, reach quick radiating effect.

Description

Inverter capable of dissipating heat quickly for electric locomotive
Technical Field
The utility model relates to an inverter heat dissipation technical field especially relates to an electric locomotive is with dc-to-ac converter that can dispel heat fast.
Background
At present, the heat dissipation modes of the inverter mainly include two types: natural cooling and forced air cooling. Natural cooling means that the local heating device radiates heat to the surrounding environment without using any external auxiliary energy to achieve the purpose of temperature control, and this generally includes three main heat transfer modes of heat conduction, convection and radiation, wherein convection is mainly a natural convection mode. Natural heat dissipation or cooling is often suitable for low power consumption devices and components with low requirements for temperature control and low heat flux density of device heating, and under the condition that sealed or densely assembled devices are not suitable (or not required) to adopt other cooling technologies. Most manufacturers of mainstream single-phase inverters and three-phase inverters below 20kW in the market adopt a natural cooling mode. Forced air cooling is a method of taking away heat emitted from devices by forcing air around the devices to flow mainly with the aid of fans and the like.
In the prior art, an inverter for an electric locomotive can generate a large amount of heat when in use, the heat is serious, the inverter can be seriously affected, and the service life of the inverter is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a rapid heat dissipation inverter for an electric locomotive.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a rapid heat dissipation inverter for an electric locomotive comprises a shell and an inverter circuit, wherein the shell is a square cavity, the inner cavity is a heat dissipation cavity, a main fan base is fixedly connected on the left inner side wall of the shell, a heat radiation fan is fixedly connected on the right side of the main fan base and is vertically arranged, a circuit base is fixedly connected in the middle of the inner bottom surface of the shell, heat insulation plates are fixedly connected on two sides of the circuit base, the bottom of the shell is divided into two circuit boxes by the heat insulation board, an inverter circuit is fixedly connected above the circuit boxes, a pair of fan bases is fixedly connected on the right inner side wall of the shell, a guide fan is fixedly connected on the pair of fan bases, an air outlet is formed in the upper portion of the shell, a plurality of main guide flow plates are fixedly connected to the lower portion of the air outlet, and a pair of guide flow plates are fixedly connected to two sides of the air outlet respectively.
As a further description of the above technical solution:
the heat dissipation fan is vertically arranged relative to the ground of the shell, and the guide fan is 70 degrees relative to the bottom surface of the shellOThe included angle is set.
As a further description of the above technical solution:
the casing inner wall all scribbles heat conduction silica gel, main guide plate, vice guide plate all adopt aluminum plate material.
As a further description of the above technical solution:
an air outlet is formed in the upper portion of the shell, a plurality of radiating holes are formed in the upper portion of the air outlet, and the radiating holes are circular holes.
As a further description of the above technical solution:
and the outer side walls of the two sides of the shell, which are opposite to the radiating fan, are fixedly connected with radiating fins.
As a further description of the above technical solution:
the main guide plate is provided with a plurality of chutes, the lower part of the main guide plate close to the heat dissipation cavity is a return air groove, the upper part of the return air groove close to the heat dissipation hole is provided with an air outlet groove, and the air outlet groove is fixedly connected with fin-shaped air guide sheets.
As a further description of the above technical solution:
the air guide sheet is in the shape of a cross-shaped conical fin.
The utility model discloses following beneficial effect has:
1. the utility model discloses well adoption dual heat dissipation, the outside fin that adopts, inside radiator fan and the guide fan of being provided with dispel the heat, to the dc-to-ac converter heat dissipation, the radiating effect is good, can realize dispelling the heat fast simultaneously.
2. The utility model discloses the inside main guide plate that is provided with of air outlet, both sides are provided with vice guide plate, and all are provided with a plurality of air-out grooves, return air groove and water conservancy diversion piece on the guide plate for the below fan makes progress along the guide plate to the hot-air after the dc-to-ac converter heat dissipation, flows through the air outlet, makes the heat dissipation channel specificity, can dispel the heat fast.
3. The utility model discloses below inverter circuit is provided with the circuit box, and is provided with the heat insulating board above the circuit box, has protected inverter circuit's electronic component to a certain extent, has increased the life of dc-to-ac converter.
Drawings
Fig. 1 is a front view of a fast heat dissipation inverter for an electric locomotive according to the present invention;
fig. 2 is a top view of a fast heat dissipation inverter for an electric locomotive according to the present invention;
fig. 3 is a schematic view of a main flow guide plate of a fast heat dissipation inverter for an electric locomotive according to the present invention.
Illustration of the drawings:
1. a housing; 2. a main fan base; 3. a heat radiation fan; 4. an auxiliary baffle; 5. a main flow guide plate; 6. an air outlet; 7. a heat dissipation cavity; 8. a guide fan; 9. an auxiliary fan base; 10. a circuit box; 11. an inverter circuit; 12. a circuit base; 13. a heat insulation plate; 14. a heat sink; 15. heat dissipation holes; 16. an air outlet groove; 17. an air return groove; 18. the wind-guiding piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: an inverter capable of fast radiating heat for an electric locomotive comprises a shell 1, inverter circuit 11, casing 1 is a square form cavity and inside cavity is heat dissipation chamber 7, fixedly connected with main fan base 2 on the 1 left inside wall of casing, 2 right sides fixedly connected with radiator fan 3 of main fan base and radiator fan 3 are perpendicular setting, fixedly connected with a circuit base 12 in the middle of the bottom in casing 1, circuit base 12 both sides fixedly connected with heat insulating board 13, heat insulating board 13 divide into two parts circuit box 10 with 1 bottom of casing, a fixedly connected with inverter circuit 11 in circuit box 10 top, fixedly connected with a pair fan base 9 on the 1 right inside wall of casing, fixedly connected with direction fan 8 on the vice fan base 9, casing 1 top is provided with air outlet 6, a plurality of main guide plate 5 of fixedly connected with below air outlet 6, the air outlet 6 both sides difference fixedly connected with a pair guide plate 4.
The heat dissipation fan 3 is vertically arranged relative to the ground of the shell 1, and the guide fan 8 is 70 degrees relative to the bottom surface of the shell 1OThe contained angle sets up, 1 inside wall of casing all scribbles heat conduction silica gel, main guide plate 5, vice guide plate 4 all adopts the aluminum plate material, 1 top of casing is provided with air outlet 6, 6 tops of air outlet are provided with a plurality of louvres 15, louvre 15 is circular trompil, fixedly connected with fin 14 on 1 relative radiator fan 3's the both sides lateral wall of casing, be provided with a plurality of chutes on the main guide plate 5, and the below is close to heat dissipation chamber 7 and is return air duct 17, return air duct 17 top is close to louvre 15 department and is provided with air outlet tank 16, fixedly connected with fin-shaped guide vane 18 on the air outlet tank 16, guide vane 18 is.
The working principle is as follows:
1. when the heat dissipation inverter works, the inverter circuit operates and generates a large amount of heat, and at the moment, the cooling fan blows cold air to the right direction to primarily dissipate heat for the inverter circuit.
2. Meanwhile, the guide fan pushes hot air above the inverter circuit upwards in an inclined upward direction, and the hot air flows out of the air outlet through the guide plate, so that heat dissipation is realized.
3. The hot air which does not pass through the main guide plate moves to the two sides of the heat dissipation cavity, part of the hot air flows out from the two sides to the air outlet through the auxiliary guide plate, and the other part of the hot air flows out through the radiating fins on the two sides, so that heat dissipation is realized.
4. At the moment, a part of hot air still remains in the heat dissipation cavity, and can be diluted by subsequent cold air quickly, so that the temperature in the heat dissipation cavity can not be increased, and the working efficiency of the inverter is not influenced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (7)

1. The utility model provides an inverter that can dispel heat fast for electric locomotive, includes casing (1), inverter circuit (11), its characterized in that: the air conditioner is characterized in that the shell (1) is a square cavity, the inner cavity is a heat dissipation cavity (7), a main fan base (2) is fixedly connected to the left inner side wall of the shell (1), a heat dissipation fan (3) is fixedly connected to the right side of the main fan base (2), the heat dissipation fan (3) is vertically arranged, a circuit base (12) is fixedly connected to the middle of the inner bottom surface of the shell (1), heat insulation plates (13) are fixedly connected to two sides of the circuit base (12), the bottom of the shell (1) is divided into two circuit boxes (10) by the heat insulation plates (13), an inverter circuit (11) is fixedly connected to the upper portion of each circuit box (10), an auxiliary fan base (9) is fixedly connected to the right inner side wall of the shell (1), a guide fan (8) is fixedly connected to the auxiliary fan base (9), and an air outlet (6) is arranged above, the air outlet (6) below fixedly connected with a plurality of main guide plates (5), air outlet (6) both sides respectively fixedly connected with a pair guide plate (4).
2. The inverter capable of dissipating heat rapidly for electric locomotive according to claim 1, wherein: the heat radiation fan (3) is vertically arranged relative to the ground of the shell (1), and the guide fan (8) is 70 degrees relative to the bottom surface of the shell (1)OThe included angle is set.
3. The inverter capable of dissipating heat rapidly for electric locomotive according to claim 1, wherein: heat conduction silica gel is all coated to casing (1) inside wall, leading guide plate (5), vice guide plate (4) all adopt aluminum plate material.
4. The inverter capable of dissipating heat rapidly for electric locomotive according to claim 1, wherein: an air outlet (6) is arranged above the shell (1), a plurality of radiating holes (15) are arranged above the air outlet (6), and the radiating holes (15) are round holes.
5. The inverter capable of dissipating heat rapidly for electric locomotive according to claim 1, wherein: and the outer side walls of two sides of the shell (1) opposite to the radiating fan (3) are fixedly connected with radiating fins (14).
6. The inverter capable of dissipating heat rapidly for electric locomotive according to claim 1, wherein: the air conditioner is characterized in that the main flow guide plate (5) is provided with a plurality of chutes, the lower part of the main flow guide plate close to the heat dissipation cavity (7) is an air return groove (17), an air outlet groove (16) is arranged above the air return groove (17) close to the heat dissipation holes (15), and fin-shaped air guide sheets (18) are fixedly connected to the air outlet groove (16).
7. The inverter capable of dissipating heat rapidly for electric locomotives according to claim 6, wherein: the air guide sheet (18) is in the shape of a cross-shaped conical fin.
CN202021377029.9U 2020-07-14 2020-07-14 Inverter capable of dissipating heat quickly for electric locomotive Active CN212435573U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021377029.9U CN212435573U (en) 2020-07-14 2020-07-14 Inverter capable of dissipating heat quickly for electric locomotive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021377029.9U CN212435573U (en) 2020-07-14 2020-07-14 Inverter capable of dissipating heat quickly for electric locomotive

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113804226A (en) * 2021-09-16 2021-12-17 深圳市有智者物联科技有限公司 Die monitoring infrared sensor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113804226A (en) * 2021-09-16 2021-12-17 深圳市有智者物联科技有限公司 Die monitoring infrared sensor

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Effective date of registration: 20220819

Address after: No. 4, Unit 4, Floor 111, Shiyoujiayuan, Lubei District, Tangshan City, Hebei Province, 063000

Patentee after: Hebei Yingbo Certification Co.,Ltd. Tangshan Weiguo Road Branch

Address before: 063000 building 3, changshenli commercial housing, Luan county, Tangshan City, Hebei Province

Patentee before: Yang Shikun

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Effective date of registration: 20220929

Address after: Room 719, Fudi Building, No. 36 Xueyuan Road, Lubei District, Tangshan City, Hebei Province, 063000

Patentee after: Tangshan Rui Xuan Intellectual Property Agency Co.,Ltd.

Address before: No. 4, Unit 4, Floor 111, Shiyoujiayuan, Lubei District, Tangshan City, Hebei Province, 063000

Patentee before: Hebei Yingbo Certification Co.,Ltd. Tangshan Weiguo Road Branch

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20231117

Address after: Room 208-18, 2nd Floor, Office Building, No. 461 Tongxia Road, Shifeng District, Zhuzhou City, Hunan Province, 412000

Patentee after: Zhuzhou Guoteng Intelligent Technology Co.,Ltd.

Address before: Room 719, Fudi Building, No. 36 Xueyuan Road, Lubei District, Tangshan City, Hebei Province, 063000

Patentee before: Tangshan Rui Xuan Intellectual Property Agency Co.,Ltd.