CN220156915U - Quick heat abstractor of converter - Google Patents
Quick heat abstractor of converter Download PDFInfo
- Publication number
- CN220156915U CN220156915U CN202321410307.XU CN202321410307U CN220156915U CN 220156915 U CN220156915 U CN 220156915U CN 202321410307 U CN202321410307 U CN 202321410307U CN 220156915 U CN220156915 U CN 220156915U
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- Prior art keywords
- frequency converter
- air
- heat dissipation
- cover
- box
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 39
- 238000009423 ventilation Methods 0.000 claims abstract description 30
- 238000007142 ring opening reaction Methods 0.000 claims abstract description 12
- 230000005855 radiation Effects 0.000 claims description 12
- 238000007664 blowing Methods 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 8
- 238000001914 filtration Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a rapid heat dissipation device of a frequency converter, which relates to the technical field of heat dissipation devices and comprises a heat dissipation box, a bracket, a ventilation filter screen cover, an air guide unit and a blower unit; the bracket is fixedly arranged in the heat dissipation box; the bracket is connected with a frequency converter body through screws; the ventilation filter screen cover is fixedly embedded at the top of the heat dissipation box; the air guide unit is fixedly penetrated through the bottom of the heat dissipation box and corresponds to the lower position of the frequency converter body; the air guide unit comprises an outer bowl cover, an inner baffle cover, a ventilation circular pipe, an air inlet ring opening and a plurality of air outlet inclined holes; the air inlet ring opening is correspondingly arranged between the outer bowl cover and the inner baffle cover. According to the utility model, the air blowing unit provides the air blowing capability for the air guiding unit, so that the air guiding unit is in an annular structure and blows upwards in a spiral blowing mode, the air circulation range can be enlarged in such a way, and the heat in the heat dissipating box, namely around the frequency converter body, is accelerated, so that the heat dissipating efficiency and effect of the frequency converter body can be effectively improved.
Description
Technical Field
The utility model relates to the technical field of heat dissipation devices, in particular to a rapid heat dissipation device of a frequency converter.
Background
The frequency converter is an electric power control device for controlling the AC motor by changing the frequency of the working power supply of the motor by applying the frequency conversion technology and the microelectronics technology, and mainly comprises a rectification (alternating current-direct current), a filtering, an inversion (direct current-alternating current), a braking unit, a driving unit, a detection unit and a microprocessing unit. Since a high frequency transformer and a semiconductor power element of a microwave variable frequency power supply generate a large amount of heat during operation, the heat generated by the high frequency transformer and the semiconductor power element needs to be discharged through a heat dissipation structure.
When the frequency converter is used, the heat generated by the frequency converter is taken away by the fan in a direct blowing mode, the fan is single in the direct blowing mode, and the fan is of a fixed structure, so that the blowing range of the fan is limited, and the heat dissipation efficiency and effect of the frequency converter are reduced.
Disclosure of Invention
The utility model aims to provide a rapid heat dissipation device of a frequency converter, which solves the technical problems that the heat generated by the frequency converter is taken away by the heat dissipation device for the frequency converter in a fan direct blowing mode, the fan direct blowing mode is single, and the fan is of a fixed structure, so that the blowing range of the fan is limited.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a quick heat dissipation device of a frequency converter, which comprises:
a heat radiation box;
the bracket is fixedly arranged in the heat dissipation box; the bracket is connected with a frequency converter body through screws;
the ventilation filter screen cover is fixedly embedded at the top of the heat dissipation box;
the air guide unit is fixedly penetrated through the bottom of the heat dissipation box and corresponds to the lower position of the frequency converter body; the air guide unit comprises an outer bowl cover, an inner baffle cover arranged on the inner side of the outer bowl cover, a ventilation annular pipe fixedly arranged on the outer bowl cover and the inner baffle cover, an air inlet annular opening arranged at the bottom of the ventilation annular pipe and a plurality of air outlet inclined holes arranged at the top of the ventilation annular pipe; the air inlet ring opening is correspondingly arranged between the outer bowl cover and the inner baffle cover; and
and the air blowing unit is arranged at the bottom of the outer bowl cover.
Above-mentioned quick heat abstractor of converter utilizes a plurality of air-out inclined holes to outwards and slope setting based on the central line on the vertical direction of ventilation ring canal, and a plurality of air-out inclined holes on the ventilation ring canal can annular structure and upwards encircle the mode of blowing with the spiral, and such mode of blowing can enlarge the scope of the circulation of air in the heat dissipation case, conveniently accelerates the heat around the heat dissipation incasement also that is the converter body of taking to promote the radiating efficiency and the effect of converter body.
Further, an air channel is formed between the outer bowl cover and the inner baffle cover, and the air inlet ring opening is communicated with the air channel.
Further, the bottom of the inner baffle cover is in an arc surface structure.
Further, the plurality of air outlet inclined holes are outwards and obliquely arranged based on the central line in the vertical direction of the ventilation annular pipe.
Further, the air blowing unit comprises an air duct and a fan fixedly arranged on the inner side of the air duct;
the bottom screw of dryer is connected with the filter screen plate.
Further, a bowl mouth matched with the outer bowl cover is formed in the bottom of the heat dissipation box.
Further, support columns are fixedly mounted at the corners of the bottom of the radiating box, and connecting pieces are connected between the frequency converter body and the support through screws.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the heat radiation box is arranged on the outer side of the frequency converter body, the air guide unit and the air blowing unit are arranged at the bottom of the heat radiation box, and the air blowing unit provides air blowing capacity for the air guide unit, so that the air guide unit adopts an annular structure and blows air upwards in a spiral blowing mode, the air circulation range can be enlarged in such a way, and the heat in the heat radiation box, namely around the frequency converter body, is accelerated, so that the heat radiation efficiency and effect of the frequency converter body can be effectively improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of the heat dissipating box in fig. 1.
Fig. 3 is a schematic view showing the structure of the air guiding unit and the blower unit in fig. 1.
Fig. 4 is a cross-sectional view of fig. 3.
1. A heat radiation box; 2. a bracket; 3. a transducer body; 4. a ventilation filter screen cover; 5. an air guiding unit; 51. an outer bowl cover; 52. an inner shield; 53. a vent collar; 54. an air inlet ring opening; 55. an air outlet inclined hole; 6. a blower unit; 61. an air duct; 62. a blower; 7. a filter screen plate; 8. a bowl opening; 9. a support column; 10. and a connecting piece.
The foregoing general description of the utility model will be described in further detail with reference to the drawings and detailed description.
Description of the embodiments
The present utility model will be described in detail with reference to the accompanying drawings.
The embodiment provides a rapid heat dissipation device of a frequency converter, which comprises a heat dissipation box 1, a bracket 2, a ventilation filter screen cover 4, an air guide unit 5 and a blower unit 6; the heat radiation box 1 in the utility model can be provided with a box door;
the bracket 2 is fixedly arranged in the heat dissipation box 1; the bracket 2 is connected with a frequency converter body 3 through screws;
a supporting column 9 is fixedly arranged at the bottom corner of the heat dissipation box 1, and a connecting piece 10 is connected between the frequency converter body 3 and the bracket 2 through screws; the support column 9 can be used for lifting the use height of the heat dissipation box 1, and the connecting piece 10 can be used for assembling the position of the frequency converter body 3 so as to accelerate the circulation speed of air in the heat dissipation box 1 and achieve the effect of rapidly dissipating heat of the frequency converter body 3;
referring to fig. 2 in combination, a ventilation filter screen cover 4 is fixedly embedded at the top of the heat dissipation box 1; in the utility model, the ventilation filter screen cover 4 is arranged, on one hand, a heat radiation opening can be provided for the top of the heat radiation box 1 so as to provide a discharge channel for heat flowing upwards in the heat radiation box 1; on the other hand, the ventilation filter screen cover 4 can be used for filtering dust in the air entering the heat dissipation box 1 from the outside;
referring to fig. 4 in combination, the air guiding unit 5 is fixed to penetrate through the bottom of the heat dissipation box 1 and is correspondingly positioned below the frequency converter body 3; the air guiding unit 5 comprises an outer bowl cover 51, an inner baffle cover 52 arranged on the inner side of the outer bowl cover 51, a ventilation annular pipe 53 fixedly arranged on the outer bowl cover 51 and the inner baffle cover 52, an air inlet annular opening 54 arranged at the bottom of the ventilation annular pipe 53 and a plurality of air outlet inclined holes 55 arranged at the top of the ventilation annular pipe 53; the air inlet ring opening 54 is correspondingly arranged between the outer bowl cover 51 and the inner baffle cover 52;
an air channel is formed between the outer bowl cover 51 and the inner baffle cover 52, and an air inlet ring opening 54 is communicated with the air channel; the design has the advantages that when the air is sent through the bottom of the inner baffle cover 52, the air can uniformly pass through the air inlet ring opening 54 and outwards and obliquely flow out through the air outlet inclined holes 55 on the ventilation ring pipe 53;
the bottom of the inner baffle cover 52 is in a cambered surface structure; the design has the advantages that the wind resistance can be reduced, and the wind sent out by the blower unit 6 can be ensured to stably and reliably enter the ventilation ring pipe 53;
the plurality of air outlet inclined holes 55 are outwards and obliquely arranged based on the central line of the ventilation ring pipe 53 in the vertical direction; the design has the advantages that the air exhausted by the air outlet inclined holes 55 can be blown upwards in a spiral surrounding mode, so that the heat around the frequency converter body 3 can be conveniently carried to be exhausted upwards under the condition that the heat radiating area in the heat radiating box 1 is enlarged;
the blower unit 6 is provided at the bottom of the outer bowl cover 51; the blower unit 6 includes a wind tunnel 61 and a blower 62 fixedly installed inside the wind tunnel 61;
the bottom of the air duct 61 is connected with a filter screen plate 7 through screws; the filter screen 7 can be used for filtering dust in the air sucked by the fan 62;
in this embodiment, the air is blown into the air channel formed between the outer bowl cover 51 and the inner baffle cover 52 by the negative pressure of the fan 62, at this time, the air can enter the ventilation annular pipe 53 through the air inlet ring opening 54 and is emitted by the air outlet inclined holes 55, the air discharged by the air outlet inclined holes 55 can be blown upwards in a spiral surrounding mode and is discharged from the position of the ventilation filter screen cover 4, so that the heat dissipation area in the heat dissipation box 1 can be enlarged by the spiral surrounding air blowing, the carrying of the heat around the frequency converter body 3 can be accelerated conveniently, and the effect of rapid heat dissipation and cooling of the frequency converter body 3 can be achieved;
a bowl mouth 8 matched with the outer bowl cover 51 is arranged at the bottom of the heat radiation box 1; the bowl opening 8 is provided with the outer bowl cover 51 which can be conveniently installed, so that the effect of supporting and fixing is achieved.
The working principle of the rapid heat dissipation device of the frequency converter of the embodiment is as follows: after the frequency converter body 3 is assembled in the heat dissipation box 1, the fan 62 is started, the fan 62 can suck external air flow and send the air channel formed between the outer bowl cover 51 and the inner baffle cover 52, at the moment, the air can enter the ventilation ring pipe 53 through the air inlet ring opening 54 and is ejected by the air outlet inclined holes 55, the air exhausted by the air outlet inclined holes 55 can be blown upwards in a spiral surrounding mode and carry heat in the heat dissipation box 1, namely, the heat of the frequency converter body 3 is carried upwards and is exhausted from the position of the ventilation filter screen cover 4, so that the heat dissipation area in the heat dissipation box 1 can be enlarged by the spiral surrounding air blowing, the heat around the frequency converter body 3 is conveniently accelerated to achieve the effect of fast heat dissipation and temperature reduction of the frequency converter body 3.
Claims (7)
1. A fast heat dissipation device for a frequency converter, comprising:
a heat radiation box (1);
a bracket (2) fixedly installed in the heat dissipation box (1); the bracket (2) is connected with a frequency converter body (3) through screws;
a ventilation filter screen cover (4) which is fixedly embedded at the top of the radiating box (1);
the air guide unit (5) penetrates through the bottom of the radiating box (1) in a fixed mode and is correspondingly arranged below the frequency converter body (3); the air guide unit (5) comprises an outer bowl cover (51), an inner baffle cover (52) arranged on the inner side of the outer bowl cover (51), a ventilation annular pipe (53) fixedly arranged on the outer bowl cover (51) and the inner baffle cover (52), an air inlet annular opening (54) arranged at the bottom of the ventilation annular pipe (53) and a plurality of air outlet inclined holes (55) arranged at the top of the ventilation annular pipe (53); the air inlet ring opening (54) is correspondingly arranged between the outer bowl cover (51) and the inner baffle cover (52); and
and the blower unit (6) is arranged at the bottom of the outer bowl cover (51).
2. The rapid radiating device of a frequency converter according to claim 1, wherein an air channel is formed between the outer bowl cover (51) and the inner baffle cover (52), and the air inlet ring opening (54) is communicated with the air channel.
3. The rapid radiating device of a frequency converter according to claim 1, wherein the bottom of the inner shield (52) is in a cambered surface structure.
4. A fast heat sink for a frequency converter according to claim 1, characterized in that a plurality of air outlet inclined holes (55) are arranged outwards and obliquely on the basis of the centre line of the ventilation collar (53) in the vertical direction.
5. A fast heat dissipating arrangement for a frequency converter according to claim 1, characterized in that the blower unit (6) comprises a wind tunnel (61) and a fan (62) fixedly mounted inside the wind tunnel (61);
the bottom of the air duct (61) is connected with a filter screen plate (7) through screws.
6. The rapid radiating device of a frequency converter according to claim 1, characterized in that a bowl opening (8) matched with the outer bowl cover (51) is arranged at the bottom of the radiating box (1).
7. The rapid radiating device of a frequency converter according to claim 1, characterized in that a support column (9) is fixedly arranged at the bottom corner of the radiating box (1), and a connecting piece (10) is connected between the frequency converter body (3) and the bracket (2) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321410307.XU CN220156915U (en) | 2023-06-05 | 2023-06-05 | Quick heat abstractor of converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321410307.XU CN220156915U (en) | 2023-06-05 | 2023-06-05 | Quick heat abstractor of converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220156915U true CN220156915U (en) | 2023-12-08 |
Family
ID=89020513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321410307.XU Active CN220156915U (en) | 2023-06-05 | 2023-06-05 | Quick heat abstractor of converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220156915U (en) |
-
2023
- 2023-06-05 CN CN202321410307.XU patent/CN220156915U/en active Active
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