CN215580915U - Double-sided cooling structure of vehicle-mounted inverter - Google Patents
Double-sided cooling structure of vehicle-mounted inverter Download PDFInfo
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- CN215580915U CN215580915U CN202120958339.8U CN202120958339U CN215580915U CN 215580915 U CN215580915 U CN 215580915U CN 202120958339 U CN202120958339 U CN 202120958339U CN 215580915 U CN215580915 U CN 215580915U
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- mounted inverter
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Abstract
The utility model discloses a double-sided cooling structure of a vehicle-mounted inverter, belonging to the technical field of vehicle-mounted inverters, comprising a vehicle-mounted inverter shell, wherein a second radiating net is detachably arranged at the rear side of the outer side wall of the vehicle-mounted inverter shell, a second radiating fin is welded on the surface of the second radiating net, a first radiating net is detachably arranged at the front side of the outer side wall of the vehicle-mounted inverter shell, a first radiating fin is welded on the surface of the first radiating net, a round hole is formed in one side of the outer side wall of the vehicle-mounted inverter shell, a mounting frame is welded on the inner side wall of the round hole, a fan is arranged on the surface of the mounting frame, a mesh cover is covered on the outer side wall of the fan, a radiating hole is formed in the other side of the outer side wall of the vehicle-mounted inverter shell, and a connecting terminal is arranged below the other side of the outer side wall of the vehicle-mounted inverter shell, the double cooling mode of air cooling and radiating fin cooling is added, and the radiating effect is good.
Description
Technical Field
The utility model relates to the field of vehicle-mounted inverters, in particular to a double-sided cooling structure of a vehicle-mounted inverter.
Background
The vehicle-mounted inverter is a convenient vehicle power converter which can convert DC12V direct current into AC220V alternating current which is the same as commercial power and is used by general electric appliances. The vehicle-mounted power inverter is generally popular in foreign markets, the popularization rate of automobiles is high in foreign countries, the inverter can be used for connecting a storage battery to drive an electric appliance and various tools to work when people go out for work or travel, along with the increase of the power density of the vehicle-mounted inverter, the temperature of a power device is effectively reduced, the service life of the power device is obviously prolonged, most of the existing inverters adopt independent heat dissipation modules (consisting of a plurality of heat dissipation plates) separated from a shell, a chip passes through an interface material and adopts pressure fastening, two heat dissipation channels (top surface and bottom surface) of the chip are respectively connected with the two heat dissipation plates, and two heat dissipation channels are formed.
The double-sided cooling structure of the traditional vehicle-mounted inverter has the advantages that the heat dissipation effect is not obvious, an internal chip is easy to overheat and damage, and the service life is short; accordingly, those skilled in the art have provided a double-sided cooling structure of a vehicle-mounted inverter to solve the problems set forth in the background art described above.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-sided cooling structure of a vehicle-mounted inverter, which is characterized in that on the basis of not changing the original water-cooling heat dissipation mode, an air-cooling and heat dissipation plate cooling double cooling mode is additionally arranged, the heat dissipation effect is good, when the vehicle-mounted inverter works, an external power supply supplies power, a fan is turned on through an external switch, a motor drives blades to rotate at a high speed through a rotating shaft, the speed of air flowing in a shell of the vehicle-mounted inverter is accelerated, the air in the shell of the vehicle-mounted inverter flows out from four sides of the shell of the vehicle-mounted inverter, heat can be dissipated at a mounting frame, a first heat dissipation net, a second heat dissipation net and a heat dissipation hole, meanwhile, when the heat in the shell of the vehicle-mounted inverter flows into the air from a mesh hole of the first heat dissipation net, a part of the heat can be efficiently dissipated into the air through the first heat dissipation plate, when the heat in the shell of the vehicle-mounted inverter flows into the air from a mesh hole of the second heat dissipation net, a part of heat can be more efficiently dissipated to the air through the second radiating fin, the first radiating fin and the second radiating fin are made of aluminum alloy materials, the aluminum alloy is high in rigidity, low in price and good in radiating effect, and the problems in the background art are solved.
In order to achieve the purpose, the utility model provides the following technical scheme:
including vehicle-mounted inverter casing, vehicle-mounted inverter casing lateral wall rear side demountable installation has the second radiator-grid, second radiator-grid skin weld has the second fin, vehicle-mounted inverter casing lateral wall front side demountable installation has first radiator-grid, first radiator-grid skin weld has first fin, the round hole has been seted up to vehicle-mounted inverter casing lateral wall one side, the welding of round hole inside wall has the mounting bracket, mounting bracket surface mounting has the fan, the fan lateral wall has cup jointed the screen panel, the louvre has been seted up to vehicle-mounted inverter casing lateral wall opposite side, binding post is installed to vehicle-mounted inverter casing lateral wall opposite side below.
As a further scheme of the utility model: second radiator-grid lateral wall lower part demountable installation has first mounting bar, first radiator-grid lateral wall lower part demountable installation has the second mounting bar, first screw has all been seted up on first mounting bar and second mounting bar surface, first screw inside wall demountable installation has first bolt.
As a still further scheme of the utility model: the vehicle-mounted inverter shell is characterized in that square frames are welded at the front side and the rear side opening of the outer side wall of the vehicle-mounted inverter shell and detachably connected with a first radiating net and a second radiating net through the square frames, second screw holes and second bolts respectively.
As a still further scheme of the utility model: the mounting bracket comprises a wafer, a ring and a metal rod, wherein the metal rod is welded on the outer side wall of the wafer, and the ring is welded on the surface of the metal rod.
As a still further scheme of the utility model: the welding of screen panel edge has the installation piece, the third screw has been seted up on installation piece surface and through third screw and third bolt demountable installation at on-vehicle dc-to-ac converter casing inside wall.
As a still further scheme of the utility model: the fan comprises a motor, a rotating shaft and fan blades, wherein the power input end of each fan blade is connected with the power output end of the motor through the rotating shaft.
Compared with the prior art, the utility model has the beneficial effects that:
the double-sided cooling structure of the vehicle-mounted inverter is additionally provided with a double cooling mode of air cooling and radiating fin cooling on the basis of not changing the original water-cooling radiating mode, the radiating effect is good, when the vehicle-mounted inverter works, an external power supply supplies power, a fan is turned on through an external switch, a motor drives fan blades to rotate at high speed through a rotating shaft, the flowing speed of air in the shell of the vehicle-mounted inverter is accelerated, the air in the shell of the vehicle-mounted inverter flows out from four sides of the shell of the vehicle-mounted inverter, the mounting rack, the first radiating net, the second radiating net and the radiating holes can radiate heat, meanwhile, when the heat in the shell of the vehicle-mounted inverter flows into the air from the meshes of the first radiating net, a part of the heat can be more efficiently radiated into the air through the first radiating fin, when the heat in the shell of the vehicle-mounted inverter flows into the air from the meshes of the second radiating net, a part of the heat can be more efficiently radiated into the air through the second radiating fin, first fin and second fin are the aluminum alloy material and make, and aluminum alloy rigidity is big, low price, and the radiating effect is good, solves the not obvious problem of two-sided cooling structure radiating effect of traditional on-vehicle dc-to-ac converter.
Drawings
Fig. 1 is an overall structural schematic diagram of a double-sided cooling structure of a vehicle-mounted inverter of an embodiment of the utility model;
fig. 2 is a schematic structural view of a vehicle-mounted inverter case of a double-sided cooling structure of a vehicle-mounted inverter according to an embodiment of the utility model;
fig. 3 is a side view of a double-sided cooling structure of the vehicle-mounted inverter of the embodiment of the utility model;
fig. 4 is a schematic structural diagram of a fan of a double-sided cooling structure of a vehicle-mounted inverter according to an embodiment of the present invention.
In the figure: 1. a vehicle-mounted inverter case; 2. a first mounting bar; 3. a circular hole; 4. a mounting frame; 401. a wafer; 402. a circular ring; 403. a metal rod; 5. a fan; 501. an electric motor; 502. a rotating shaft; 503. a fan blade; 6. a second mounting bar; 7. a first bolt; 8. a first screw hole; 9. a first heat-dissipating mesh; 10. a first heat sink; 11. a second screw hole; 12. a second bolt; 13. a second heat-dissipating mesh; 14. a second heat sink; 15. a square frame; 16. heat dissipation holes; 17. a wiring terminal; 18. mounting a sheet; 19. a mesh enclosure; 20. a third screw hole; 21. and a third bolt.
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.
Referring to fig. 1 to 4, in the embodiment of the utility model, the double-sided cooling structure of the vehicle-mounted inverter includes a vehicle-mounted inverter housing 1, a second heat sink 13 is detachably mounted on the rear side of the outer side wall of the vehicle-mounted inverter housing 1, a second heat sink 14 is welded on the surface of the second heat sink 13, a first heat sink 9 is detachably mounted on the front side of the outer side wall of the vehicle-mounted inverter housing 1, a first heat sink 10 is welded on the surface of the first heat sink 9, a circular hole 3 is formed on one side of the outer side wall of the vehicle-mounted inverter housing 1, a mounting frame 4 is welded on the inner side wall of the circular hole 3, a fan 5 is mounted on the surface of the mounting frame 4, a mesh enclosure 19 is covered on the outer side wall of the vehicle-mounted inverter housing 1, a heat sink 16 is formed on the other side of the outer side wall of the vehicle-mounted inverter housing 1, a connection terminal 17 is mounted below the other side of the outer side wall of the vehicle-mounted inverter housing 1, on the basis of not changing the original water-cooled heat dissipation manner, the double cooling mode of air cooling and radiating fin cooling is added, and the radiating effect is good.
Wherein, 13 lateral wall lower parts of second radiator-grid have first mounting bar 2 detachable mounting, 9 lateral wall lower parts of first radiator-grid have second mounting bar 6 detachable mounting, first screw 8 has all been seted up on first mounting bar 2 and 6 surfaces of second mounting bar, 8 inside wall detachable mounting of first screw have first bolt 7, easy to assemble or dismantle on-vehicle dc-to-ac converter.
Wherein, all welded at on-vehicle inverter casing 1 lateral wall front side and rear side opening department have square frame 15 and respectively through square frame 15, second screw 11 and second bolt 12 with first radiator-grid 9 and the detachable connection of second radiator-grid 13, easy to assemble with dismantle first radiator-grid 9 and second radiator-grid 13.
The mounting frame 4 comprises a wafer 401, a ring 402 and a metal rod 403, the metal rod 403 is welded on the outer side wall of the wafer 401, the ring 402 is welded on the surface of the metal rod 403, and the mounting frame 4 is hollow, so that the heat dissipation effect is good.
Wherein, the welding of 19 edges of screen panel has installation piece 18, third screw 20 and through third screw 20 and third bolt 21 demountable installation at on-vehicle inverter casing 1 inside wall has been seted up on installation piece 18 surface, and fan 5 is covered to screen panel 19, increases fan 5's life.
The fan 5 comprises a motor 501, a rotating shaft 502 and fan blades 503, wherein the power input end of the fan blades 503 is connected with the power output end of the motor 501 through the rotating shaft 502, and the motor 501 is exposed in the air, so that the heat dissipation of the vehicle-mounted inverter is not influenced.
The working principle of the utility model is as follows: the double-sided cooling structure of the vehicle-mounted inverter is additionally provided with a double cooling mode of air cooling and radiating fin cooling on the basis of not changing the original water-cooling radiating mode, the radiating effect is good, when the vehicle-mounted inverter works, an external power supply supplies power, a fan 5 is turned on through an external switch, a motor 501 drives fan blades 503 to rotate at a high speed through a rotating shaft 502, the flowing speed of gas in a vehicle-mounted inverter shell 1 is accelerated, the gas in the vehicle-mounted inverter shell 1 flows out from four sides of the vehicle-mounted inverter shell 1, heat can be radiated at a mounting frame 4, a first radiating net 9, a second radiating net 13 and radiating holes 16, meanwhile, when the heat in the vehicle-mounted inverter shell 1 flows into the air from meshes of the first radiating net 9, a part of the heat can be more efficiently radiated into the air through the first radiating fins 10, and when the heat in the vehicle-mounted inverter shell 1 flows into the air from meshes of the second radiating net 13, a part of heat can be efficiently dissipated to the air through the second radiating fins 14, and the first radiating fins 10 and the second radiating fins 14 are made of aluminum alloy materials, so that the aluminum alloy material is high in rigidity, low in price and good in radiating effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. Double-sided cooling structure of on-vehicle inverter, including on-vehicle inverter casing (1), its characterized in that: vehicle-mounted inverter casing (1) lateral wall rear side demountable installation has second radiator-grid (13), second radiator-grid (13) surface welding has second fin (14), vehicle-mounted inverter casing (1) lateral wall front side demountable installation has first radiator-grid (9), first radiator-grid (9) surface welding has first fin (10), round hole (3) have been seted up to vehicle-mounted inverter casing (1) lateral wall one side, round hole (3) inside wall welding has mounting bracket (4), mounting bracket (4) surface mounting has fan (5), fan (5) lateral wall has cup jointed screen panel (19), louvre (16) have been seted up to vehicle-mounted inverter casing (1) lateral wall opposite side, binding post (17) are installed to vehicle-mounted inverter casing (1) lateral wall opposite side below.
2. The double-sided cooling structure of the vehicle-mounted inverter according to claim 1, characterized in that: second radiator-grid (13) lateral wall lower part demountable installation has first mounting bar (2), first radiator-grid (9) lateral wall lower part demountable installation has second mounting bar (6), first screw (8) have all been seted up on first mounting bar (2) and second mounting bar (6) surface, first screw (8) inside wall demountable installation has first bolt (7).
3. The double-sided cooling structure of the vehicle-mounted inverter according to claim 1, characterized in that: the front side and the rear side opening of the outer side wall of the vehicle-mounted inverter shell (1) are respectively welded with a square frame (15) and are detachably connected with a first radiating net (9) and a second radiating net (13) through the square frame (15), a second screw hole (11) and a second bolt (12).
4. The double-sided cooling structure of the vehicle-mounted inverter according to claim 1, characterized in that: the mounting frame (4) comprises a circular sheet (401), a circular ring (402) and metal rods (403), the metal rods (403) are welded on the outer side wall of the circular sheet (401), and the circular ring (402) is welded on the surface of each metal rod (403).
5. The double-sided cooling structure of the vehicle-mounted inverter according to claim 1, characterized in that: mesh enclosure (19) edge welding has installation piece (18), third screw (20) and through third screw (20) and third bolt (21) demountable installation at on-vehicle inverter casing (1) inside wall have been seted up on installation piece (18) surface.
6. The double-sided cooling structure of the vehicle-mounted inverter according to claim 1, characterized in that: the fan (5) comprises a motor (501), a rotating shaft (502) and fan blades (503), wherein the power input end of each fan blade (503) is connected with the power output end of the motor (501) through the rotating shaft (502).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120958339.8U CN215580915U (en) | 2021-05-07 | 2021-05-07 | Double-sided cooling structure of vehicle-mounted inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120958339.8U CN215580915U (en) | 2021-05-07 | 2021-05-07 | Double-sided cooling structure of vehicle-mounted inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215580915U true CN215580915U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120958339.8U Active CN215580915U (en) | 2021-05-07 | 2021-05-07 | Double-sided cooling structure of vehicle-mounted inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215580915U (en) |
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2021
- 2021-05-07 CN CN202120958339.8U patent/CN215580915U/en active Active
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