CN212278132U

CN212278132U - Outer protective shell for inverter

Info

Publication number: CN212278132U
Application number: CN202021315258.8U
Authority: CN
Inventors: 居永宝
Original assignee: Nanjing Wangwei Electric Co ltd
Current assignee: Nanjing Wangwei Electric Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-01-01
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses an outer protective housing for dc-to-ac converter relates to dc-to-ac converter technical field, for solving the relatively poor problem of current outer protective housing radiating effect of dc-to-ac converter. The outer side of going up outer protective housing is provided with a plurality of first fin, the outside of outer protective housing is provided with a plurality of second fin down, go up outer protective housing and install the front end housing with the front end of outer protective housing down, go up outer protective housing and install the rear end housing with the rear end of outer protective housing down, install first radiator fan on the terminal surface of front end housing, install second radiator fan on the terminal surface of rear end housing, be provided with the external tongue of inductance on the terminal surface of rear end housing, and first radiator fan is located the centre of front end housing, and the centre that second radiator fan is located the rear end housing, the both sides of first fin and second fin all are provided with a plurality of supplementary radiating groove.

Description

Outer protective shell for inverter

Technical Field

The utility model relates to an inverter technical field specifically is an outer protective housing for dc-to-ac converter.

Background

An inverter is a power conditioning device composed of semiconductor devices, and mainly converts direct current electric energy (batteries, storage batteries) into alternating current. It is composed of inverter bridge, control logic and filter circuit. The inverter is widely applied to air conditioners, home theaters, electric grinding wheels, electric tools, sewing machines, DVDs, VCDs, computers, televisions, washing machines, range hoods, refrigerators, video recorders, massagers, fans, lighting and the like, and in the working process of the inverter, a large amount of heat is generated due to power consumption, so that the storage of heat can shorten the service life of electronic and electric control elements in the inverter, and the stability of the inverter is reduced.

However, the existing inverter outer protection shell is poor in heat dissipation effect, so that the existing requirement is not met, and the outer protection shell for the inverter is provided for the reason.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an outer protective housing for dc-to-ac converter to solve the relatively poor problem of current inverter outer protective housing radiating effect who proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an outer protective housing for dc-to-ac converter, includes outer protective housing and outer protective housing down, the outside of going up outer protective housing is provided with a plurality of first fin, the outside of outer protective housing is provided with a plurality of second fin down, go up the front end housing and install the front end housing with the front end of outer protective housing down, go up outer protective housing and install the rear end housing with the rear end of outer protective housing down, install first radiator fan on the terminal surface of front end housing, install second radiator fan on the terminal surface of rear end housing, be provided with the external tongue of inductance on the terminal surface of rear end housing, and first radiator fan is located the centre of front end housing, and second radiator fan is located the centre of rear end housing, the both sides of first fin and second fin all are provided with a plurality of supplementary heat dissipation recesses.

Preferably, the both sides of going up outer protective housing lower extreme all are provided with first fixed chimb, the both sides of outer protective housing lower extreme all are provided with the fixed chimb of second down, and the upper end of the fixed chimb of first fixed chimb and second all is provided with a plurality of through-holes, and goes up outer protective housing and set up to the integrated into one piece structure with first fixed chimb, and outer protective housing sets up to the integrated into one piece structure with the fixed chimb of second down.

Preferably, one side of the front end cover is provided with a positive electrode, and the other side of the front end cover is provided with a negative electrode.

Preferably, the upper outer protective shell and the lower outer protective shell are equal in size, the first radiating fins and the second radiating fins are equal in size, and the upper outer protective shell and the lower outer protective shell are connected through bolts.

Preferably, the first heat dissipation fan is connected with the front end cover through a screw, and the rear end cover is connected with the second heat dissipation fan through a screw.

Preferably, the upper outer protective shell and the first radiating fins are arranged to be of an integrally formed structure, and the lower outer protective shell and the second radiating fins are arranged to be of an integrally formed structure.

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

1. the utility model forms the outer protective shell of the inverter by the upper outer protective shell, the lower outer protective shell, the front end cover and the rear end cover, the upper outer protective shell and the lower outer protective shell can be quickly fixed through bolts, the front end cover and the rear end cover can be quickly fixed with the upper outer protective shell and the lower outer protective shell through screws, the whole shell body is convenient and quick to assemble, the outer protective shell is made of aluminum alloy, the weight is light, the heat conduction and the heat dissipation are good, the first radiating fins and the second radiating fins are respectively integrated with the upper outer protective shell and the lower outer protective shell, is tightly connected with the radiating surface, the heat of the component is transferred to the shell and then quickly transferred to the air through the first radiating fin and the second radiating fin, realize quick heat dissipation, a plurality of supplementary heat dissipation recesses have increased the area of contact of fin with the air, have increased the heat radiating area of whole shell promptly, have further improved the radiating effect.

2. The utility model discloses a first radiator fan and second radiator fan work can be with the heat of the inside components and parts of shell body effluvium fast, and the outside fin of cooperation makes the heat dissipation of whole dc-to-ac converter comprehensive more high-efficient, has further improved the radiating effect, and the design of the external tongue of inductance can be external with the power inductance of the device that generates heat to reduce the inside temperature of shell, the inductance can independently high-efficiently dispel the heat.

Drawings

Fig. 1 is a schematic structural diagram of an outer protective shell for an inverter according to the present invention;

fig. 2 is a schematic structural view of a first heat sink of the present invention;

fig. 3 is a schematic structural diagram of the rear end cap of the present invention.

In the figure: 1. an upper outer protective shell; 2. a lower outer protective shell; 3. a first heat sink; 4. a second heat sink; 5. a front end cover; 6. a rear end cap; 7. a first heat dissipation fan; 8. a second heat dissipation fan; 9. the inductor is externally provided with a convex groove; 10. an auxiliary heat dissipation groove; 11. a first fixed flange; 12. a second fixed flange; 13. a through hole; 14. a positive electrode; 15. and a negative electrode.

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.

Referring to fig. 1-3, the present invention provides an embodiment: an outer protective shell for an inverter comprises an upper outer protective shell 1 and a lower outer protective shell 2, wherein a plurality of first radiating fins 3 are arranged on the outer side of the upper outer protective shell 1, a plurality of second radiating fins 4 are arranged on the outer side of the lower outer protective shell 2, and are quickly transmitted into the air through the first radiating fins 3 and the second radiating fins 4 to realize quick heat dissipation, a front end cover 5 is installed at the front ends of the upper outer protective shell 1 and the lower outer protective shell 2, a rear end cover 6 is installed at the rear ends of the upper outer protective shell 1 and the lower outer protective shell 2, a first radiating fan 7 is installed on the end surface of the front end cover 5, a second radiating fan 8 is installed on the end surface of the rear end cover 6, an inductance external convex groove 9 is arranged on the end surface of the rear end cover 6, the first radiating fan 7 is positioned in the middle of the front end cover 5, the second radiating fan 8 is positioned in the middle of the rear end cover 6, and the first radiating fan 7 and, the first fin 3 and the second fin 4 of cooperation outside use to make the heat dissipation of whole dc-to-ac converter more comprehensive high-efficient, further improved the radiating effect, the both sides of first fin 3 and second fin 4 all are provided with a plurality of supplementary heat dissipation recesses 10, a plurality of supplementary heat dissipation recesses 10 of first fin 3 and second fin 4 both sides have increased the area of contact of fin with the air, have increased the heat radiating area of whole shell promptly, further improved the radiating effect.

Further, both sides of going up 1 lower extreme of outer protective housing all are provided with first fixed chimb 11, the both sides of 2 lower extremes of outer protective housing all are provided with the fixed chimb 12 of second down, and the upper end of the fixed chimb 12 of first fixed chimb 11 and second all is provided with a plurality of through-holes 13, and go up outer protective housing 1 and set up to the integrated into one piece structure with first fixed chimb 11, and outer protective housing 2 sets up to the integrated into one piece structure with the fixed chimb 12 of second down, a plurality of through-holes 13 of the fixed chimb 12 upper end of first fixed chimb 11 and second, can be with going up outer protective housing 1 and outer protective housing 2 fast.

Furthermore, one side of the front end cover 5 is provided with a positive electrode 14, and the other side of the front end cover 5 is provided with a negative electrode 15, so that the normal wiring work of the inverter is ensured.

Further, go up outer protective housing 1 and lower outer protective housing 2 size equal, first fin 3 and second fin 4 size equal, and go up outer protective housing 1 and pass through bolted connection with lower outer protective housing 2, the equipment is convenient and the even high efficiency of heat dissipation.

Furthermore, the first heat dissipation fan 7 is connected with the front end cover 5 through screws, and the rear end cover 6 is connected with the second heat dissipation fan 8 through screws, so that the connection mode is simple, and the assembly is convenient.

Further, the upper outer protective shell 1 and the first radiating fins 3 are arranged to be of an integrally formed structure, the lower outer protective shell 2 and the second radiating fins 4 are arranged to be of an integrally formed structure, and the radiating fins are tightly connected with the radiating surfaces of the upper outer protective shell 1 and the lower outer protective shell 2, so that the radiating effect is improved.

The working principle is as follows: during the use, through a plurality of through-holes 13 of first fixed chimb 11 and the fixed chimb 12 upper end of second, can be with last outer protective housing 1 with outer protective housing 2 fast assembly down, rethread screw with front end housing 5 and rear end housing 6 with last outer protective housing 1 with outer protective housing 2 fast assembly down, can realize the equipment of whole shell body, go up outer protective housing 1, outer protective housing 2 down, front end housing 5 and rear end housing 6 are the aluminum alloy material, the quality is light corrosion-resistant and heat conduction thermal diffusivity is good, first fin 3 and second fin 4 respectively with last outer protective housing 1 and outer protective housing 2 integrated into one piece down, with last outer protective housing 1 with the radiating surface of outer protective housing 2 closely link to each other down, the heat transfer of components and parts is to last outer protective housing 1 and outer protective housing 2 down, rethread first fin 3 and second fin 4 transmit to the air fast, realize quick heat dissipation, a plurality of auxiliary heat dissipation recess 10 in first fin 3 and second fin 4 both sides has increased the fin and the radiating fin Area of contact, the heat radiating area of whole shell has been increased promptly, the radiating effect has further been improved, the external tongue 9 of inductance design can be external with the power inductance of the device that generates heat, thereby reduce the inside temperature of shell, the inductance can independently high-efficient heat dissipation, first radiator fan 7 and the work of second radiator fan 8 can be with the heat of the inside components and parts of shell body effluvium fast, cooperate outside first fin 3 and second fin 4 to use the heat dissipation that makes whole dc-to-ac converter more comprehensive high-efficient, the radiating effect has further been improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an outer protective housing for inverter, includes outer protective housing (1) and outer protective housing (2) down, its characterized in that: a plurality of first radiating fins (3) are arranged on the outer side of the upper outer protective shell (1), a plurality of second radiating fins (4) are arranged on the outer side of the lower outer protective shell (2), the front ends of the upper outer protective shell (1) and the lower outer protective shell (2) are provided with front end covers (5), the rear ends of the upper outer protective shell (1) and the lower outer protective shell (2) are provided with rear end covers (6), a first radiating fan (7) is arranged on the end surface of the front end cover (5), a second heat radiation fan (8) is arranged on the end surface of the rear end cover (6), an inductance external convex groove (9) is arranged on the end surface of the rear end cover (6), and the first heat radiation fan (7) is positioned in the middle of the front end cover (5), and the second heat radiation fan (8) is positioned in the middle of the rear end cover (6), and a plurality of auxiliary heat dissipation grooves (10) are formed in the two sides of the first heat dissipation fin (3) and the second heat dissipation fin (4).

2. An outer protective case for an inverter according to claim 1, wherein: go up outer protective housing (1) lower extreme both sides and all be provided with first fixed chimb (11), the both sides of outer protective housing (2) lower extreme all are provided with the fixed chimb of second (12) down, and the upper end of the fixed chimb of first fixed chimb (11) and second (12) all is provided with a plurality of through-holes (13), and goes up outer protective housing (1) and set up to the integrated into one piece structure with first fixed chimb (11), and outer protective housing (2) set up to the integrated into one piece structure with the fixed chimb of second (12) down.

3. An outer protective case for an inverter according to claim 1, wherein: one side of the front end cover (5) is provided with an anode (14), and the other side of the front end cover (5) is provided with a cathode (15).

4. An outer protective case for an inverter according to claim 1, wherein: go up outer protective housing (1) and outer protective housing (2) size equal down, first fin (3) and second fin (4) size equal, and go up outer protective housing (1) and pass through bolted connection with outer protective housing (2) down.

5. An outer protective case for an inverter according to claim 1, wherein: the first heat dissipation fan (7) is connected with the front end cover (5) through screws, and the rear end cover (6) is connected with the second heat dissipation fan (8) through screws.

6. An outer protective case for an inverter according to claim 1, wherein: go up outer protective housing (1) and set up to integrated into one piece structure with first fin (3), outer protective housing (2) and second fin (4) set up to integrated into one piece structure down.