CN111049400A - 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
CN111049400A
CN111049400A CN202010092407.7A CN202010092407A CN111049400A CN 111049400 A CN111049400 A CN 111049400A CN 202010092407 A CN202010092407 A CN 202010092407A CN 111049400 A CN111049400 A CN 111049400A
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CN
China
Prior art keywords
fixedly connected
radiator
connecting plate
inverter
electric locomotive
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Withdrawn
Application number
CN202010092407.7A
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Chinese (zh)
Inventor
杨士坤
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Individual
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Individual
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Priority to CN202010092407.7A priority Critical patent/CN111049400A/en
Publication of CN111049400A publication Critical patent/CN111049400A/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/209—Heat transfer by conduction from internal heat source to heat radiating structure

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Inverter Devices (AREA)

Abstract

The invention discloses a quick heat dissipation inverter for an electric locomotive, which comprises an inverter main body, wherein a first radiator is fixedly connected to the left side of the inverter main body, a first heat dissipation sheet is fixedly connected inside the first radiator, a first fixing plate is fixedly connected below the first radiator, a first connecting plate is fixedly connected below the first fixing plate, a second fixing plate is fixedly connected above the right side of the first connecting plate, a second radiator is fixedly connected above the second fixing plate, a second heat dissipation sheet is fixedly connected inside the second radiator, a third radiator is fixedly connected below the first connecting plate, a heat dissipation fin is fixedly connected inside the third radiator, and a connecting plate is fixedly connected to the left side of the third radiator. According to the invention, three detachable radiators are adopted, the radiating fins in the radiators are convenient to clean, and the inverter is prevented from being damaged due to the radiating temperature.

Description

Inverter capable of dissipating heat quickly for electric locomotive
Technical Field
The invention relates to the field of inverter heat dissipation application, in particular to a rapid heat dissipation inverter for an electric locomotive.
Background
In the face of increasingly exhausted petroleum resources and huge pressure of environmental protection, the electric locomotive shows huge advantages and wide development prospects.
The rapid development of electric locomotives drives the rapid application of automotive inverters. The key core component in the vehicle inverter is an IGBT power module, which is a key device for realizing power conversion and is also a heating device. If the heat of the inverter is not dissipated, the output performance of the inverter is directly influenced or the inverter is damaged.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a rapid heat dissipation inverter for an electric locomotive.
In order to achieve the purpose, the invention adopts the following technical scheme: a rapid heat dissipation inverter for an electric locomotive comprises an inverter main body, wherein a first radiator is fixedly connected to the left side of the inverter main body, a first heat dissipation sheet is fixedly connected inside the first radiator, a first fixing plate is fixedly connected below the first radiator, a first connecting plate is fixedly connected below the first fixing plate, a second fixing plate is fixedly connected above the right side of the first connecting plate, a second radiator is fixedly connected above the second fixing plate, a second heat dissipation sheet is fixedly connected inside the second radiator, a third radiator is fixedly connected below the first connecting plate, a heat dissipation fin is fixedly connected inside the third radiator, a fifth connecting plate is fixedly connected to the left side of the third radiator, a fourth connecting plate is fixedly connected to the left side of the fifth connecting plate, and a third connecting plate is fixedly connected to the left side of the fourth connecting plate, and the left side of the third connecting plate is fixedly connected with a second connecting plate.
As a further description of the above technical solution:
the radiator comprises a second radiator, a radiator base, a radiator upper cover and a first fastening bolt, wherein the radiator base is fixedly connected in the second radiator, the radiator upper cover is fixedly connected on the right side of the radiator base, and the first fastening bolt is fixedly connected on the left side of the radiator upper cover.
As a further description of the above technical solution:
the radiator base is internally and fixedly connected with a first fastening bolt, the right side of the first fastening bolt is fixedly connected with a second fastening bolt, and the right side of the second fastening bolt is fixedly connected with a third fastening bolt.
As a further description of the above technical solution:
radiator base left side fixedly connected with cooling input, radiator base right side fixedly connected with cooling output, cooling input and cooling output are relative position.
As a further description of the above technical solution:
the left side of the lower portion of the inverter body is fixedly connected with a protruding portion, the right side of the lower portion of the inverter body is fixedly connected with a groove, and the lower portion of the inverter body is fixedly connected with a radiating fin.
As a further description of the above technical solution:
the radiating fin structure is characterized in that a first fixing plate is fixedly connected to the lower portion of the first radiating fin, a first connecting plate is fixedly connected to the lower portion of the first fixing plate, and radiating fins are fixedly connected to the lower portion of the first connecting plate.
The invention has the following beneficial effects:
according to the inverter radiator structure, the upper cover of the radiator is fastened through the fastening bolt, the upper radiating cover and the radiator bottom are connected to form the inverter radiator, the upper radiator cover can be provided with a traditional low-cost planar radiating IGBT power module or a direct-current bus capacitor, the radiating effect is enhanced, and the working performance of devices is improved.
The radiator of the inverter has the advantages of simple and reasonable structure, convenience in use, low application cost and good adaptability, the split connection type combination of the three radiators is adopted, the installation and the disassembly are convenient, when more dust is accumulated in the radiator, the heat dissipation effect can be hindered, and the radiator can be conveniently disassembled to remove the dust.
Drawings
Fig. 1 is a schematic structural diagram of a fast heat dissipation inverter for an electric locomotive according to the present invention;
FIG. 2 is a front view of a fast heat dissipation inverter for an electric locomotive according to the present invention;
FIG. 3 is a left side view of a fast heat-dissipating inverter for an electric locomotive according to the present invention;
fig. 4 is a schematic diagram of a heat sink structure of a fast heat dissipation inverter for an electric locomotive according to the present invention.
Illustration of the drawings:
1. a heat sink base; 2. cooling and inputting; 3. a first fastening bolt; 4. a second fastening bolt; 5. a third fastening bolt; 6. cooling and outputting; 7. an upper cover of the radiator; 8. an inverter main body; 9. a first heat sink; 10. a second heat sink; 11. a first heat sink; 12. a second heat sink; 13. a first fixing plate; 14. a second fixing plate; 15. a first connecting plate; 16. a third heat sink; 17. a second connecting plate; 18. a heat dissipating fin; 19. a third connecting plate; 20. a fourth connecting plate; 21. a fifth connecting plate; 22. a boss portion; 23. and (4) a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, one embodiment of the present invention is provided: a rapid heat dissipation inverter for an electric locomotive comprises an inverter main body 8, wherein a first radiator 12 is fixedly connected to the left side of the inverter main body 8, a first heat radiating fin 9 is fixedly connected inside the first radiator 12, a first fixing plate 13 is fixedly connected below the first radiator 12, a first connecting plate 15 is fixedly connected below the first fixing plate 13, a second fixing plate 14 is fixedly connected above the right side of the first connecting plate 15, a second radiator 11 is fixedly connected above the second fixing plate 14, a second heat radiating fin 10 is fixedly connected inside the second radiator 11, a third radiator 16 is fixedly connected below the first connecting plate 15, a heat radiating fin 18 is fixedly connected inside the third radiator 16, a fifth connecting plate 21 is fixedly connected to the left side of the third radiator 16, a fourth connecting plate 20 is fixedly connected to the left side of the fifth connecting plate 21, and a third connecting plate 19 is fixedly connected to the left side of the fourth connecting plate 20, the left side of the third connecting plate 19 is fixedly connected with a second connecting plate 17.
A radiator base 1 is fixedly connected inside the second radiator 11, a radiator upper cover 7 is fixedly connected on the right side of the radiator base 1, a first fastening bolt 3 is fixedly connected on the left side of the radiator upper cover 7, the first fastening bolt 3 is fixedly connected inside the radiator base 1, a second fastening bolt 4 is fixedly connected on the right side of the first fastening bolt 3, a third fastening bolt 5 is fixedly connected on the right side of the second fastening bolt 4, a cooling input 2 is fixedly connected on the left side of the radiator base 1, a cooling output 6 is fixedly connected on the right side of the radiator base 1, the cooling input 2 and the cooling output 6 are in relative positions, a bulge 22 is fixedly connected on the left side below the inverter main body 8, a groove 23 is fixedly connected on the right side below the inverter main body 8, a radiating fin 18 is fixedly connected below the inverter main body 8, a first fixing plate 13 is fixedly connected below the first radiating fin 9, and a first connecting plate 15, a heat dissipation fin 18 is fixedly connected below the first connection plate 15.
The working principle is as follows: when the inverter main body 8 starts to work, if the electric locomotive runs too long and the temperature is too high, the first cooling fins 9 and the second cooling fins 10 inside the left second radiator 12 and the right first radiator 11 start to move, the cooling fins 18 connected with the inside of the third radiator 16 connected with the first connecting plate 15 below continuously swing to dissipate heat, the cooling fins 18 connected with the third connecting plate 19, the fourth connecting plate 20 and the fifth connecting plate 21 continuously dissipate heat, and when the cooling input 2 meets too high temperature, the cooling input 2 enters the cooling output 6 from the radiator base 1 to ensure the heat dissipation of the third radiator 16.
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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides an inverter can dispel heat fast for electric locomotive, includes inverter main part (8), its characterized in that: the inverter body (8) is fixedly connected with a first radiator (12) on the left side, a first radiating fin (9) is fixedly connected inside the first radiator (12), a first fixing plate (13) is fixedly connected below the first radiator (12), a first connecting plate (15) is fixedly connected below the first fixing plate (13), a second fixing plate (14) is fixedly connected above the right side of the first connecting plate (15), a second radiator (11) is fixedly connected above the second fixing plate (14), a second radiating fin (10) is fixedly connected inside the second radiator (11), a third radiator (16) is fixedly connected below the first connecting plate (15), a radiating fin (18) is fixedly connected inside the third radiator (16), and a fifth connecting plate (21) is fixedly connected on the left side of the third radiator (16), the connecting device is characterized in that a fourth connecting plate (20) is fixedly connected to the left side of the fifth connecting plate (21), a third connecting plate (19) is fixedly connected to the left side of the fourth connecting plate (20), and a second connecting plate (17) is fixedly connected to the left side of the third connecting plate (19).
2. The inverter capable of dissipating heat rapidly for electric locomotive according to claim 1, wherein: the radiator comprises a second radiator (11), a radiator base (1) is fixedly connected inside the second radiator (11), a radiator upper cover (7) is fixedly connected to the right side of the radiator base (1), and a first fastening bolt (3) is fixedly connected to the left side of the radiator upper cover (7).
3. The inverter capable of dissipating heat rapidly for electric locomotive according to claim 1, wherein: the radiator base (1) is internally and fixedly connected with a first fastening bolt (3), the right side of the first fastening bolt (3) is fixedly connected with a second fastening bolt (4), and the right side of the second fastening bolt (4) is fixedly connected with a third fastening bolt (5).
4. The inverter capable of dissipating heat rapidly for electric locomotive according to claim 1, wherein: radiator base (1) left side fixedly connected with cooling input (2), radiator base (1) right side fixedly connected with cooling output (6), cooling input (2) and cooling output (6) are relative position.
5. The inverter capable of dissipating heat rapidly for electric locomotive according to claim 1, wherein: the novel LED lamp is characterized in that a boss (22) is fixedly connected to the left side below the inverter main body (8), a groove (23) is fixedly connected to the right side below the inverter main body (8), and a radiating fin (18) is fixedly connected to the lower side of the inverter main body (8).
6. The inverter capable of dissipating heat rapidly for electric locomotive according to claim 1, wherein: the heat dissipation device is characterized in that a first fixing plate (13) is fixedly connected to the lower portion of the first heat dissipation plate (9), a first connecting plate (15) is fixedly connected to the lower portion of the first fixing plate (13), and heat dissipation fins (18) are fixedly connected to the lower portion of the first connecting plate (15).
CN202010092407.7A 2020-02-14 2020-02-14 Inverter capable of dissipating heat quickly for electric locomotive Withdrawn CN111049400A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010092407.7A CN111049400A (en) 2020-02-14 2020-02-14 Inverter capable of dissipating heat quickly for electric locomotive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010092407.7A CN111049400A (en) 2020-02-14 2020-02-14 Inverter capable of dissipating heat quickly for electric locomotive

Publications (1)

Publication Number Publication Date
CN111049400A true CN111049400A (en) 2020-04-21

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CN202010092407.7A Withdrawn CN111049400A (en) 2020-02-14 2020-02-14 Inverter capable of dissipating heat quickly for electric locomotive

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CN (1) CN111049400A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105957694A (en) * 2016-05-12 2016-09-21 无锡金鑫集团股份有限公司 Train tractor cooling system
CN207652324U (en) * 2017-12-26 2018-07-24 盐城提迈克电力电子有限公司 A kind of radiator of inverter
CN208046472U (en) * 2018-09-18 2018-11-02 新誉轨道交通科技有限公司 A kind of rail vehicle inverter box radiator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105957694A (en) * 2016-05-12 2016-09-21 无锡金鑫集团股份有限公司 Train tractor cooling system
CN207652324U (en) * 2017-12-26 2018-07-24 盐城提迈克电力电子有限公司 A kind of radiator of inverter
CN208046472U (en) * 2018-09-18 2018-11-02 新誉轨道交通科技有限公司 A kind of rail vehicle inverter box radiator

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Application publication date: 20200421