CN211047655U - Special heat abstractor mounting structure of compressor motor frequency conversion controller - Google Patents
Special heat abstractor mounting structure of compressor motor frequency conversion controller Download PDFInfo
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- CN211047655U CN211047655U CN201921108967.6U CN201921108967U CN211047655U CN 211047655 U CN211047655 U CN 211047655U CN 201921108967 U CN201921108967 U CN 201921108967U CN 211047655 U CN211047655 U CN 211047655U
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Abstract
The utility model discloses a compressor motor variable frequency controller's special heat abstractor mounting structure belongs to variable frequency controller heat dissipation technical field. The control panel and the radiator are superposed one on the other and fixedly arranged in the controller box seat, the control panel comprises an outlet fan and a bent box cover connected by a top cover and a rear end cover, the outlet fan is fixed on the inner wall of the rear end cover, the rear end cover and the top cover are respectively positioned at the rear end of the controller box seat and the opening of the controller box seat, the top cover is provided with an air duct top plate part, the front end of the air duct top plate part extends downwards to form an air inlet inclined grid, the air inlet inclined grid is positioned at the front end of the radiator, the rear end of the radiator corresponds to the outlet fan, an air flow channel is formed between the air duct top plate part covering the radiator and the PCB of the control panel, and the front end and the rear end of the air flow channel are respectively communicated with the air inlet inclined grid and. After adopting above-mentioned structure, can force effective heat dissipation to the power device that control panel top surface was laid.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a compressor motor frequency conversion controller's special heat abstractor mounting structure belongs to compressor motor frequency conversion controller heat dissipation technical field.
[ background of the invention ]
In a common compressor motor frequency conversion controller, a control board is installed in a controller box seat with the front surface facing downwards and the back surface facing upwards, power devices are only arranged on the front surface of the control board, a heat dissipation device only needs to lead external air into the controller box and perform air cooling heat dissipation on the power devices positioned on the front surface of the control board, however, when the output power of the control board is increased, a power heating device (IC) needs to be arranged on the back surface of the control board, if the original heat dissipation device is still used, the power devices positioned on the back surface of the control board cannot be effectively dissipated, insufficient heat dissipation tends to accelerate aging of the power devices arranged on the back surface, and therefore continuous normal operation of a circuit is affected.
[ Utility model ] content
The utility model aims at the not enough special heat abstractor mounting structure that provides a compressor motor frequency conversion controller to above-mentioned prior art, it can force effective heat dissipation to the power device that the control panel top surface of assembling in the control box was laid.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a compressor motor frequency conversion controller's special heat abstractor mounting structure, special heat abstractor supplies to assemble on the controller box seat for the great control panel of output carries out forced-ventilated heat dissipation, and control panel and radiator are one, one go up the superpose and set firmly in the controller box seat, and its improvement point lies in: this special heat abstractor includes an export fan and a curved lid, the curved lid is formed by connecting top cap and rear end cap, the export fan is fixed at the rear end inner wall, the rear end cap, the top cap is located the rear end of controller box seat respectively, the uncovered department of controller box seat, the top cap has the wind channel roof, wind channel roof front end extends down and forms into the oblique grid of wind, this into the oblique grid of wind is located the radiator front end, the radiator rear end is corresponding with the export fan, the wind channel roof covers the radiator, and form the air runner between wind channel roof and its PCB board of control panel, the front end of air runner, the rear end communicates with each other with into the oblique grid of wind, the export fan respectively.
The controller box seat is a square open box seat and is formed by connecting a bottom plate, two side plates, a front end frame plate and a rear end air outlet plate, a support pillar is arranged at the corner of the inner wall of the controller box seat, the PCB is fixed on the top surface of the support pillar, and the PCB is abutted against the inner walls of the two side plates, the inner wall of the front end frame plate and the inner wall of the rear end air outlet plate; the rear end air outlet plate is provided with an air outlet grid, the rear end cover of the bent box cover is provided with a protective grid, and the air draft surface and the air outlet surface of the outlet fan face the air outlet grid and the protective grid respectively.
In order to be beneficial to the stable and reliable fixation of the outlet fan on the inner wall of the rear end cover of the bent box cover, the inner wall of the rear end cover is provided with an expansion pin, and a mounting hole arranged on the shell of the outlet fan is clamped with the expansion pin.
In order to facilitate the disassembly and assembly of the bent box cover, the top cover of the bent box cover is detachably connected with the clamping block at the controller box seat through the fastening groove; the rear end cover of the bent box cover is attached to the rear end air outlet plate.
In order to save processing cost and reduce loss, the section of the bent box cover is approximately in the shape of
And is in the shape of an integral injection molding component.
Compared with a split box cover, the bent box cover with the integrated injection molding structure is quicker and more time-saving to install, and can save the die sinking cost.
The utility model has the advantages of as follows and beneficial effect:
the utility model discloses a control panel of great output power, dispose power heating element (IC) at the top surface of its PCB board of control panel, the utility model discloses by the bending lid and export fan constitute, the bending lid is formed by top cap and rear end cap connection, the top cap has wind channel roof portion and air inlet oblique grid, form the air runner between wind channel roof portion and PCB board after the wind channel roof portion covers the radiator, the air runner communicates air inlet oblique grid and the export fan who is fixed in the rear end cap inner wall promptly forms independent working wind channel, just can draw external environment air into air inlet oblique grid when the export fan starts, air forces to see through directly blows radiator and the power device who lays in PCB board top surface behind the air inlet oblique grid, under the wind-force effect of export fan, the hot-air that power device and radiator distribute flows through the air runner unidirectionally and is taken away by the export fan, high temperature heat independently discharges, the heat dissipation requirement of the top surface power device of the PCB is met, and the influence and the interference of the dissipated heat on the power device at the bottom surface of the control panel are avoided, so that the continuous normal operation of a circuit is ensured, and the service life of the power device is prolonged.
[ description of the drawings ]
FIG. 1 is a perspective view of the special heat sink of the present invention in one direction;
FIG. 2 is a perspective view of the special heat sink of the present invention in another direction;
FIG. 3 is a perspective view of the special heat sink of the present invention in another direction;
FIG. 4 is a perspective view of the controller cassette holder in one orientation;
FIG. 5 is a perspective view of the controller cassette holder taken from another orientation;
FIG. 6 is a perspective view of the heat sink and control board;
FIG. 7 is another perspective view of the heat sink and control board;
FIG. 8 is a perspective view of the controller box base with the control board, heat sink, and front cover mounted thereon;
FIG. 9 is another perspective view of the controller cassette holder with the control board, heat sink, and front cover attached;
FIG. 10 is a perspective view of the compressor motor inverter controller formed by mounting a dedicated heat sink on the component of FIG. 8 (9);
FIG. 11 is another perspective view of the compressor motor inverter controller;
fig. 12 is a sectional view of a compressor motor inverter controller.
[ detailed description ] embodiments
Referring to fig. 1 to 12, a mounting structure of a dedicated heat dissipation device for a compressor motor inverter controller, the dedicated heat dissipation device is assembled on a controller box base 3 and is used for forced heat dissipation of a control board 4 with a large output power, the control board 4 and a heat sink 5 are stacked one above another and are fixedly arranged in the controller box base 3, and the improvement point is that: the special heat dissipation device comprises an outlet fan 1 and a bent box cover 2, wherein the bent box cover 2 is formed by connecting a top cover 21 and a rear end cover 22, the outlet fan 1 is fixed on the inner wall of the rear end cover 22, the rear end cover 22 and the top cover 21 are respectively positioned at the rear end of a controller box base 3 and an opening of the controller box base 3, the top cover 21 is provided with an air duct top plate part 211, the front end of the air duct top plate part 211 extends downwards to form an air inlet inclined grid 210, the air inlet inclined grid 210 is positioned at the front end of a radiator 5, the rear end of the radiator 5 corresponds to the outlet fan 1, the air duct top plate part 211 covers the radiator 5, an air flow channel X is formed between the air duct top plate part 211 and a PCB 41 of a control board 4, and the front end of the air flow channel X and the rear end of the air flow channel.
The controller box base 3 is a square open box base and is formed by connecting a bottom plate 31, two side plates 32, a front end frame plate 33 and a rear end air outlet plate 34, four support columns 30 are arranged at the corners of the inner wall of the controller box base 3, the PCB 41 is fixed on the top surfaces of the support columns 30, and the periphery of the PCB 41 is abutted against the inner walls of the corresponding side plates 32, the inner wall of the front end frame plate 33 and the inner wall of the rear end air outlet plate 34; the rear end air outlet plate 34 is provided with an air outlet grid 340, the rear end cover 22 is provided with a protective grid 220, and the air suction surface and the air outlet surface of the outlet fan 1 face the air outlet grid 340 and the protective grid 220 respectively.
Referring to fig. 9, the rear end of the heat sink 5 is located at the front upper side of the air outlet grill 340, and the protective grill 220 is communicated with the air outlet grill 340, with reference to fig. 11.
Referring to fig. 4 and 8, the two side plates have the same specification; the front end wire pressing cover 6 is fixed on the front end frame plate 33 through screws (not shown), and an air inlet grid 60 is arranged on the bottom wall of the front end wire pressing cover 6 corresponding to the outlet 330; referring to fig. 4, 8, 9 and 12, the PCB 41 is higher than the air inlet grill 60 at the front end wire cover 6, the outlet 330 at the front end frame plate 33 and the air outlet grill 340 at the rear end air outlet plate 34.
The rear end cover 22 is provided with an expansion pin 221 on the inner wall thereof, and a mounting hole 10 formed in the housing of the outlet fan 1 is clamped with the expansion pin 221.
In the present embodiment, the outlet fan 1 is an axial fan; the expansion pin 221 has a cross-shaped cross-section.
The top cover 21 of the bent box cover 2 is detachably connected with a clamping block at the controller box base 3 through a buckling groove; the rear end cover 22 of the bent box cover 2 is jointed with the rear end air outlet plate 34.
In detail, referring to fig. 1 and 3, the inner walls of the two side cover edges of the top cover 21 and the inner wall of the front end cover edge of the top cover 21 are provided with the fastening grooves 21-1 (fig. 10) with the same structure, as shown in fig. 4 and 5, the opening edges of the two side plates 12 for covering the side cover edges corresponding to the top cover 21 and the opening edges for covering the front end cover edge of the top cover 21 are convexly provided with the fastening blocks 3-1 with the same structure, and the fastening blocks 3-1 are fastened with the fastening grooves 21-1.
The cross section of the bent box cover 2 is approximately
And is in the shape of an integral injection molding component.
As shown in fig. 6, an IC device E (power heating device) is disposed on the top surface 411 of the PCB 41, and screws are inserted into screw holes formed in the substrate 52 of the heat sink ⑤, and the screws penetrate through the IC device E and are screwed to the PCB 41.
When heat is dissipated by forced air, as shown in fig. 12, after the ambient air is sucked into the air inlet inclined grid 210, the air entering from the air inlet inclined grid 210 flows along the air flow channel X, not only blows the surface of the heat dissipating teeth 51, but also blows the IC devices E on the bottom surface of the substrate 52, and the air is directly and forcibly exhausted through the protective grid 220 under the action of the outlet fan 1.
Claims (5)
1. The utility model provides a compressor motor frequency conversion controller's special heat abstractor mounting structure, special heat abstractor supplies to assemble on the controller box seat for the great control panel of output carries out forced-ventilated heat dissipation, and the control panel is one, goes up the superpose and sets firmly in controller box seat its characterized in that with the radiator: the special heat dissipation device comprises an outlet fan and a bent box cover, wherein the bent box cover is formed by connecting a top cover and a rear end cover, the outlet fan is fixed on the inner wall of the rear end cover, the rear end cover and the top cover are respectively positioned at the rear end of a controller box seat and an opening of the controller box seat,
the top cover is provided with an air duct top plate part, the front end of the air duct top plate part extends downwards to form an air inlet inclined grid, the air inlet inclined grid is positioned at the front end of the radiator, the rear end of the radiator corresponds to the outlet fan,
the air duct top plate part covers the radiator, an air flow channel is formed between the air duct top plate part and the PCB of the control panel, and the front end and the rear end of the air flow channel are respectively communicated with the air inlet inclined grid and the outlet fan.
2. The dedicated heat sink mounting structure as recited in claim 1, wherein: the controller box seat is a square open box seat and is formed by connecting a bottom plate, two side plates, a front end frame plate and a rear end air outlet plate, a support column is arranged at the corner of the inner wall of the controller box seat, the PCB is fixed on the top surface of the support column and abuts against the inner walls of the two side plates, the inner wall of the front end frame plate and the inner wall of the rear end air outlet plate; the rear end air outlet plate is provided with an air outlet grid, the rear end cover of the bent box cover is provided with a protective grid, and the air draft surface and the air outlet surface of the outlet fan face the air outlet grid and the protective grid respectively.
3. The dedicated heat sink mounting structure as recited in claim 1, wherein: the rear end cover of the bent box cover is provided with an expansion pin on the inner wall, and a mounting hole formed in the shell of the outlet fan is clamped with the expansion pin.
4. The dedicated heat sink mounting structure as recited in claim 1, wherein: the top cover of the bent box cover is detachably connected with a clamping block at the controller box seat through a buckling groove; and the rear end cover of the bent box cover is attached to the rear end air outlet plate.
5. The dedicated heat sink mounting structure as recited in claim 1, wherein: the section of the bent box cover is
And is in the shape of an integral injection molding component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921108967.6U CN211047655U (en) | 2019-07-02 | 2019-07-02 | Special heat abstractor mounting structure of compressor motor frequency conversion controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921108967.6U CN211047655U (en) | 2019-07-02 | 2019-07-02 | Special heat abstractor mounting structure of compressor motor frequency conversion controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211047655U true CN211047655U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921108967.6U Active CN211047655U (en) | 2019-07-02 | 2019-07-02 | Special heat abstractor mounting structure of compressor motor frequency conversion controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117479511A (en) * | 2023-12-28 | 2024-01-30 | 深圳市迈杰罗遥控技术有限公司 | Protection box of model car drive arrangement |
-
2019
- 2019-07-02 CN CN201921108967.6U patent/CN211047655U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117479511A (en) * | 2023-12-28 | 2024-01-30 | 深圳市迈杰罗遥控技术有限公司 | Protection box of model car drive arrangement |
| CN117479511B (en) * | 2023-12-28 | 2024-03-15 | 深圳市迈杰罗遥控技术有限公司 | Protection box of model car drive arrangement |
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