CN221409627U - Serial inverter with independent heat dissipation air duct - Google Patents

Serial inverter with independent heat dissipation air duct Download PDF

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Publication number
CN221409627U
CN221409627U CN202323293910.7U CN202323293910U CN221409627U CN 221409627 U CN221409627 U CN 221409627U CN 202323293910 U CN202323293910 U CN 202323293910U CN 221409627 U CN221409627 U CN 221409627U
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China
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heat dissipation
shell
cavity
accommodating cavity
middle shell
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CN202323293910.7U
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Chinese (zh)
Inventor
张红雨
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Pinneng Electric Shenzhen Co ltd
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Pinneng Electric Shenzhen Co ltd
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Abstract

The utility model discloses a serial inverter with an independent heat dissipation air duct, which comprises a top shell, a middle shell and a bottom shell, wherein the top shell is connected with the middle shell to form a first cavity, an electronic component is arranged at the bottom of the first cavity, and the electronic component comprises a power device; the bottom shell is connected with the middle shell to form a second cavity, a heat dissipation piece is arranged in the second cavity, a mounting hole corresponding to the power device is formed in the bottom surface of the middle shell, and the power device and the heat dissipation piece are respectively positioned on two sides of the mounting hole; and ventilation openings are respectively arranged at two ends of the bottom shell. Separate first cavity and second cavity and set up to the heat that power device produced accessible first cavity's bottom surface and mounting hole transfer to the radiating member on, dispel the heat the radiating member through the vent, in can not making the dust enter into first cavity in the radiating, both guaranteed the radiating effect, prevent again that the dust from causing the influence to the dc-to-ac converter.

Description

Serial inverter with independent heat dissipation air duct
Technical Field
The utility model relates to the technical field of inverters, in particular to a serial inverter with independent heat dissipation air channels.
Background
The inverter is a converter for converting direct current electric energy (a battery and an accumulator jar) into constant frequency and constant voltage or frequency and voltage-regulating alternating current (generally 100V-240V, 50Hz/60 Hz). The inverter comprises an inverter bridge, control logic and a filter circuit. The device is widely applicable to air conditioners, home theatres, electric grinding wheels, electric tools, sewing machines, DVDs, VCDs, computers, televisions, washing machines, smoke exhaust hoods, refrigerators, video recorders, massagers, fans, illumination and the like.
The inverter can produce a large amount of heat in the course of working, and current inverter is mostly through forced air cooling heat dissipation, realizes the heat dissipation to the inverter through setting up louvre or radiator fan, but this kind of structure can reduce the leakproofness of inverter itself, is with leading to the dust to enter into inside the inverter to the wholeness performance of image inverter.
Disclosure of utility model
In view of the above, the utility model discloses a serial inverter with independent heat dissipation air channels, which can avoid the influence of external dust on the operation of the inverter while adopting air cooling to dissipate heat.
The utility model discloses a serial inverter with independent heat dissipation air channels, which comprises a top shell, a middle shell and a bottom shell, wherein,
The top shell is connected with the middle shell to form a first cavity, an electronic component is arranged at the bottom of the first cavity, the electronic component comprises a power device, and the power device is fixed on the bottom surface of the middle shell;
the bottom shell is connected with the middle shell to form a second cavity, a heat dissipation piece is arranged in the second cavity, a mounting hole corresponding to the power device is formed in the bottom surface of the middle shell, the heat dissipation piece is fixed on the outer bottom surface of the middle shell, and the power device and the heat dissipation piece are respectively positioned on two sides of the mounting hole; and ventilation openings are respectively arranged at two ends of the bottom shell.
Further, the top end first installation part of the middle shell is provided with a first accommodating cavity, the first installation part is provided with a first connecting piece and a second connecting piece, and the first installation part stretches into the first accommodating cavity and is fixed with the top shell through the first connecting piece and the second connecting piece.
Further, the first connecting piece sets up one side of first installation department, the second connecting piece sets up the opposite side of first installation department, the second connecting piece includes first connecting plate and second connecting plate, first connecting plate is fixed the bottom surface of first installation department, be provided with the roof on the first connecting plate, the both ends of roof groove are provided with the roof respectively, be provided with the face of holding on the second connecting plate, the both ends of face of holding are provided with respectively with the constant head tank that the roof corresponds, the inboard of face of holding be provided with roof groove complex bellying, bellying Han Jin in the roof groove.
Further, the bottom shell is provided with a second accommodating cavity with an upward opening, the bottom surface of the middle shell is provided with a plurality of third connecting pieces, and the middle shell is fixedly connected with the bottom shell through the third connecting pieces; the heat dissipation piece is arranged in the second accommodating cavity.
Further, a heat dissipation fan is further arranged in the second accommodating cavity, and the heat dissipation fan is fixed on one side of the heat dissipation piece through a fixing plate.
Further, a side face of the bottom shell is detachably connected with a mounting plate, and a through hole is formed in the mounting plate.
Further, one end of the mounting plate is provided with a positioning protrusion, one side wall of the second accommodating cavity is provided with a positioning hole, and when the mounting plate stretches into the second accommodating cavity, the positioning protrusion stretches into the positioning hole; the other end of the mounting plate is fixedly connected with the corresponding side wall of the second accommodating cavity through a screw; the other end of the mounting plate is also provided with a fingerboard.
Compared with the prior art, the technical scheme disclosed by the utility model has the beneficial effects that:
The electronic component is arranged in the first cavity, the heat dissipation part is arranged in the second cavity and is separated, heat generated by the power device can be transferred to the heat dissipation part through the bottom surface of the first cavity and the mounting hole, the heat dissipation part is dissipated through the vent, dust can not enter the first cavity when the heat dissipation is carried out, the heat dissipation effect is guaranteed, and the influence of the dust on the inverter is prevented.
Drawings
Fig. 1 is a schematic structural diagram of an inverter;
Fig. 2 is an exploded view of the inverter;
FIG. 3 is a schematic structural view of the top shell;
FIG. 4 is a schematic structural view of a second connector;
FIG. 5 is a schematic view of the structure of the middle shell;
Fig. 6 is a schematic structural view of the bottom chassis.
Detailed Description
The following description of the embodiments of the present utility model will be made with reference to the drawings in which the embodiments of the present utility model are clearly and fully described, it should be noted that when one component is considered to be "connected" to another component, it may be directly connected to the other component, or there may be an intervening component at the same time. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. It should also be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless otherwise specifically defined and limited; either mechanically or electrically, or by communication between two components. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
It should be further noted that, in the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and 2, the utility model discloses a serial inverter 100 with independent heat dissipation air channels, which comprises a top shell 10, a middle shell 20, a bottom shell 30 and an electronic component, wherein the top shell 10 is connected with the top end of the middle shell 20 to form a first cavity, and the electronic component is arranged in the first cavity and is fixedly connected with the bottom surface of the first cavity; the bottom shell 30 is connected with the bottom of the middle shell 20 to form a second cavity, and a heat dissipation element 40 is fixed in the second cavity.
The electronic component includes a power device fixed to the bottom surface of the middle case 20; as shown in fig. 5, the bottom surface of the middle case 20 is provided with a mounting hole 25 corresponding to the power device, the heat sink 40 is fixed on the outer bottom surface of the middle case 20, and the power device and the heat sink 40 are respectively located at two sides of the mounting hole 25. The heat generated during the operation of the electronic component and the power device may be transferred to the heat dissipation member 40 through the bottom surface of the first cavity and the mounting hole 25, and the heat dissipation of the first cavity is achieved by the heat dissipation member 40 absorbing the heat.
The bottom case 30 is provided with ventilation openings 34 at both ends thereof, respectively. The second cavity accelerates the air circulation through the ventilation opening 34, thereby realizing the heat dissipation of the heat dissipation element 40.
Further, as shown in fig. 3, the top end first mounting portion 24 of the middle shell 20 is provided with a first accommodating cavity 11, the first mounting portion 24 is provided with a first connecting member 21 and a second connecting member 22, and the first mounting portion 24 extends into the first accommodating cavity 11 and is fixed to the top shell 10 by the first connecting member 21 and the second connecting member 22.
As shown in fig. 4, further, the first connector 21 is disposed on one side of the first mounting portion 24, the second connector 22 is disposed on the other side of the first mounting portion 24, as shown in fig. 4, the second connector 22 includes a first connection plate 221 and a second connection plate 222, the first connection plate 221 is fixed on a bottom surface of the first mounting portion 24, a top groove 2211 is disposed on the first connection plate 221, top plates 2212 are disposed at two ends of the top groove 2211, a top holding surface 2221 is disposed on the second connection plate 222, positioning grooves 2222 corresponding to the top plates 2212 are disposed at two ends of the top surface 2221, a protruding portion 2223 matching with the top groove 2211 is disposed on an inner side of the top surface 2221, and the protruding portion 2223 can extend into the top groove 2211. Specifically, when the top case 10 is connected to the middle case 20, the first mounting portion 24 extends into the first accommodating cavity, the first connecting piece 21 and the second connecting piece 22 respectively abut against two opposite inner walls of the first accommodating cavity, the abutting surface 2221 is fixedly connected to the top case 10 through a screw, when the top case 10 is mounted, the protruding portion 2223 extends into the top groove 2211, the top plate 2212 extends into the positioning groove 2222, and then the first connecting piece 21 abuts against the other side wall of the first accommodating cavity and is fixed through the screw, so that the top case 10 and the middle case 20 are fixed together.
Further, the bottom shell 30 is provided with a second accommodating cavity 31 with an upward opening, the bottom surface of the middle shell 20 is provided with a plurality of third connecting pieces 23, and the middle shell 10 is fixedly connected with the bottom shell 30 through the third connecting pieces 23; the heat sink 40 is disposed in the second receiving chamber 31, and the heat sink 40 is fixed to the bottom surface of the middle case 20.
As shown in fig. 6, further, a heat dissipation fan (not shown) is disposed in the second accommodating cavity 31, and the heat dissipation fan is fixed on one side of the heat dissipation element 40 through a fixing plate. In the present application, the fixing plate is provided with a plurality of the heat dissipation fans, and the heat dissipation fans are disposed at positions close to the ventilation openings 34.
Further, a side surface of the bottom case 30 is detachably connected to a mounting plate 32, and a through hole 34 is provided on the mounting plate 32.
One end of the mounting plate 32 is provided with a positioning protrusion 321, one side wall of the second accommodating cavity 31 is provided with a positioning hole 33, and when the mounting plate 32 extends into the second accommodating cavity 31, the positioning protrusion 321 extends into the positioning hole 33; the other end of the mounting plate 32 is fixedly connected with the corresponding side wall of the second accommodating cavity 31 through a screw; the other end of the mounting plate 32 is also provided with a finger plate 322. When the mounting plate 32 is mounted, one end of the mounting plate 32 may first extend into the second accommodating cavity 31, then the positioning protrusion 321 may extend into the positioning hole 33 to perform preliminary positioning, and then the other end of the mounting plate 32 may extend into the second accommodating cavity 31 and be fixed by a screw, so as to fix the mounting plate 32. The finger plate 322 may apply an external force to the mounting plate 32 when the mounting plate 32 is removed.
The present utility model can be embodied in various forms and modifications without departing from the broad spirit and scope of the utility model, and the above-described embodiments are intended to be illustrative of the utility model, but not limiting the scope of the utility model.

Claims (7)

1. A serial inverter with independent heat dissipation air duct is characterized by comprising a top shell, a middle shell and a bottom shell, wherein,
The top shell is connected with the middle shell to form a first cavity, an electronic component is arranged at the bottom of the first cavity, the electronic component comprises a power device, and the power device is fixed on the bottom surface of the middle shell;
the bottom shell is connected with the middle shell to form a second cavity, a heat dissipation piece is arranged in the second cavity, a mounting hole corresponding to the power device is formed in the bottom surface of the middle shell, the heat dissipation piece is fixed on the outer bottom surface of the middle shell, and the power device and the heat dissipation piece are respectively positioned on two sides of the mounting hole; and ventilation openings are respectively arranged at two ends of the bottom shell.
2. The serial inverter with independent heat dissipation air duct according to claim 1, wherein the top end of the middle shell is provided with a first accommodating cavity, the first accommodating cavity is provided with a first connecting piece and a second connecting piece, and the first accommodating cavity is extended into the first accommodating cavity and is fixed with the top shell through the first connecting piece and the second connecting piece.
3. The serial inverter with independent heat dissipation air duct according to claim 2, wherein the first connecting piece is arranged on one side of the first installation portion, the second connecting piece is arranged on the other side of the first installation portion, the second connecting piece comprises a first connecting plate and a second connecting plate, the first connecting plate is fixed on the bottom surface of the first installation portion, a top groove is formed in the first connecting plate, top plates are respectively arranged at two ends of the top groove, a top holding surface is arranged on the second connecting plate, positioning grooves corresponding to the top plates are respectively arranged at two ends of the top holding surface, a protruding portion matched with the top groove is arranged on the inner side of the top holding surface, and the protruding portion can extend into the top groove.
4. The serial inverter with the independent heat dissipation air duct according to claim 3, wherein the bottom shell is provided with a second accommodating cavity with an upward opening, the bottom surface of the middle shell is provided with a plurality of third connecting pieces, and the middle shell is fixedly connected with the bottom shell through the third connecting pieces; the heat dissipation piece is arranged in the second accommodating cavity.
5. The serial inverter with independent heat dissipation air channels according to claim 4, wherein a heat dissipation fan is further arranged in the second accommodating cavity, and the heat dissipation fan is fixed on one side of the heat dissipation piece through a fixing plate.
6. The serial inverter with independent heat dissipation air channels according to claim 5, wherein a side surface of the bottom shell is detachably connected with a mounting plate, and a through hole is formed in the mounting plate.
7. The serial inverter with independent heat dissipation air duct according to claim 6, wherein one end of the mounting plate is provided with a positioning protrusion, one side wall of the second accommodating cavity is provided with a positioning hole, and when the mounting plate extends into the second accommodating cavity, the positioning protrusion extends into the positioning hole; the other end of the mounting plate is fixedly connected with the corresponding side wall of the second accommodating cavity through a screw; the other end of the mounting plate is also provided with a fingerboard.
CN202323293910.7U 2023-12-04 2023-12-04 Serial inverter with independent heat dissipation air duct Active CN221409627U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323293910.7U CN221409627U (en) 2023-12-04 2023-12-04 Serial inverter with independent heat dissipation air duct

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323293910.7U CN221409627U (en) 2023-12-04 2023-12-04 Serial inverter with independent heat dissipation air duct

Publications (1)

Publication Number Publication Date
CN221409627U true CN221409627U (en) 2024-07-23

Family

ID=91931953

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323293910.7U Active CN221409627U (en) 2023-12-04 2023-12-04 Serial inverter with independent heat dissipation air duct

Country Status (1)

Country Link
CN (1) CN221409627U (en)

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