CN210405150U - Double-loop air duct heat dissipation waterproof structure of frequency converter - Google Patents
Double-loop air duct heat dissipation waterproof structure of frequency converter Download PDFInfo
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- CN210405150U CN210405150U CN201921225929.9U CN201921225929U CN210405150U CN 210405150 U CN210405150 U CN 210405150U CN 201921225929 U CN201921225929 U CN 201921225929U CN 210405150 U CN210405150 U CN 210405150U
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Abstract
The utility model discloses a two return circuit wind channel heat dissipation waterproof construction of converter, from top to bottom and radiator fixed plate in its main tank body, fan cover connection is as an organic whole, the radiator fixed plate, separate out waterproof nature main air duct space between fan cover plate and the main tank body, the radiator fixed plate, be equipped with the radiator on the fan cover plate in proper order, electric capacity, the fan, the curb plate top of main tank body, the louvre has been seted up respectively to the bottom as air intake one, air outlet one, the louvre has been seted up on the bottom plate of main tank body as air outlet two, leave the certain interval before the roof in radiator fixed plate and the main tank body and form air intake two, in the main tank body, be equipped with the air. The utility model provides a pair of two return circuit wind channel heat dissipation waterproof construction of converter has solved the outdoor waterproof problem of installation of converter, and two return circuit wind channel structure further increases the product suitability, can provide stable performance and safety to the multiplex condition.
Description
Technical Field
The utility model belongs to the technical field of the converter equipment technique and specifically relates to a two return circuit wind channel heat dissipation waterproof construction of converter.
Background
The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor. The frequency converter mainly comprises a rectifying unit (alternating current to direct current), a filtering unit, an inverting unit (direct current to alternating current), a braking unit, a driving unit, a detection unit micro-processing unit and the like. The frequency converter adjusts the voltage and frequency of an output power supply by switching on and off the internal IGBT, and provides the required power supply voltage according to the actual requirement of the motor, thereby achieving the purposes of energy conservation and speed regulation. The method is widely applied to industries such as metallurgy, petroleum, chemical industry, textile, electric power, building materials, coal, steel, paper making industry and the like, and is also widely applied.
At present, the frequency converter is high in integration level and wide in application, mounting conditions are different, the heat dissipation is achieved in an air cooling mode, an air duct of the air cooling heat dissipation is affected by rainwater, and a PCB (printed circuit board) is subjected to water inflow or damp in rainwater weather, so that short circuit can be caused, and the frequency converter is damaged. The other is that the installation working condition of the construction lifter is harsh (such as lifter corners and the like which cannot be used for air outlet), the traditional air duct design is not enough to meet the working condition, and the heat dissipation and the performance of the frequency converter are seriously influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a two return circuit wind channel heat dissipation waterproof construction of converter.
The technical scheme of the utility model is that: the utility model provides a two return circuit wind channel heat dissipation waterproof construction of converter, includes:
the air conditioner comprises a main box body (11), a radiator fixing plate (12), an air inlet guide plate (13), a radiator limiting plate (14), a bottom grid air inlet plate (15), the radiator fixing plate (12), a radiator (17), a fan (18), a capacitor (19) and a fan fixing plate (20);
the main box body (11) is internally connected with a radiator fixing plate (12) and a fan cover plate (16) into a whole from top to bottom, waterproof main air duct spaces are separated among the radiator fixing plate (12), the fan cover plate (16) and the main box body (11), in the waterproof main air duct space, a radiator (17), a capacitor (19) and a fan (18) are sequentially arranged on the radiator fixing plate (12) and the fan cover plate (16), the top and the bottom of the side plate of the main box body (11) are respectively provided with a heat dissipation hole as a first air inlet and a first air outlet, radiating holes are arranged on the bottom plate of the main box body (11) to be used as a second air outlet, a certain distance is reserved between the radiator fixing plate (12) and the inner top wall of the main box body to form a second air inlet, and an air inlet guide plate (13) is arranged in the main box body (11) and in a position corresponding to the heat dissipation holes in the top of the side plate.
Preferably, the heat dissipation holes are grid square holes.
Preferably, the open positions of the grid square holes at the tops of the side plates occupy the 1/2 width of the side plates of the main box body (11).
Preferably, the open positions of the grid square holes at the bottom of the side plate occupy 1/2 width of the side plate of the main box body (11).
Preferably, the bottom plate of the main box body (11) is fully distributed at the opening positions of the grid square holes of the bottom plate.
Preferably, the air inlet guide plate (13) is integrally formed by a sealing plate and an inclined plate, the inclined plate is positioned above the radiator (17), and the sealing plate, the inclined plate and the main box body (11) form a guide space with an upper end opened.
Preferably, the capacitor (19) is arranged through the radiator fixing plate (12).
Preferably, a radiator limiting plate (14) is arranged above the radiator (17).
Preferably, the main box body (11) is welded with the air inlet guide plate (13), the radiator fixing plate (12) and the radiator limiting plate (14) into a whole.
Preferably, the fan cover plate (16) is fixed on the radiator fixing plate (12) through screws.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides a double-loop air duct heat dissipation waterproof structure of a frequency converter, which firstly solves the problem that under the working conditions of severe environment such as rainwater, the working conditions are kept safe and stable, and the structure is waterproof and dustproof so as to meet the requirements of more industries; and secondly, the double-loop design has stronger applicability, better integral heat dissipation effect and more guaranteed performance.
Drawings
Fig. 1 is the overall structure diagram of the present invention (the main box body is not provided with a sealing plate).
Fig. 2 is the overall structure diagram of the present invention (the main box body is assembled with the sealing plate).
Fig. 3 is a schematic view of the front side of the present invention showing the flow direction of the wind in two wind channels.
Fig. 4 is a schematic view of the side double air ducts flowing through the wind direction of the present invention.
Fig. 5 is a front view of fig. 1.
Fig. 6 is a rear view of fig. 1.
Fig. 7 is a left side view of fig. 1.
Fig. 8 is a right side view of fig. 1.
Fig. 9 is a top view of fig. 1.
Fig. 10 is a bottom view of fig. 1.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1 to 10, a dual-circuit air duct heat dissipation waterproof structure for a frequency converter includes a main box 11, a heat sink fixing plate 12, an air inlet baffle 13, a heat sink limiting plate 14, a bottom grid air inlet plate 15, a heat sink fixing plate 12, a heat sink 17, a fan 18, a capacitor 19, and a fan fixing plate 20.
The main box body 11 is welded with an air inlet guide plate 13, a radiator fixing plate 12 and a radiator limiting plate 14 into a whole, and a fan cover plate 16 is fixed on the radiator fixing plate 12 through screws.
This separate out waterproof nature main wind channel space between radiator fixed plate 12, fan apron 16 and the main tank 11, in waterproof nature main wind channel space, be equipped with heat dissipation 17, electric capacity 19, fan 18 on radiator fixed plate 12, the fan apron 16 in proper order, electric capacity 19 wears to establish radiator fixed plate 12, the radiator 17 top is equipped with radiator limiting plate 14.
Grid square holes are respectively formed in the top and the bottom of a side plate of the main box body 11 and serve as the air inlet 1 and the air outlet 1, the grid square holes in the top of the side plate occupy 1/2 width of the side plate of the main box body 11, and the grid square holes in the bottom of the side plate occupy 1/2 width of the side plate of the main box body 11. Grid square holes are formed in a bottom plate of the main box body 11 and serve as the air outlet 2, and the bottom plate of the main box body 11 is fully distributed at the positions where the grid square holes of the bottom plate are formed; and a certain distance is left between the radiator fixing plate 12 and the inner top wall of the main box body to form an air inlet 2.
An air inlet guide plate 13 is arranged in the main box body 11 and opposite to the position of the heat radiation holes on the top of the side plate. The air inlet guide plate 13 is integrally formed by a sealing plate and an inclined plate, the inclined plate is positioned above the radiator 17, and the sealing plate, the inclined plate and the main box body 11 form a guide space with an opening at the upper end.
The double-air-channel structure forms a frequency converter device with outdoor waterproof function and extremely strong applicability, and the flow direction of a specific air channel is shown as 3 and 4.
The utility model discloses a theory of operation does: the frequency converter supplies power to the fan 18 during operation, and the fan 18 directly applies work to the radiator 17 in an air draft mode; cold air enters from the air inlet 1 and the air inlet 2, flows through the radiator 17, the capacitor 19 and the whole inside of the frequency converter, takes away hot air, and discharges the hot air to the air outlet 1 and the air outlet 2 through the high-speed operation of the fan 18; the air inlet guide plate 13 plays a role in guiding air and preventing water, and finally achieves good dustproof and waterproof effects and good heat dissipation effects.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the right of the present invention should not be limited thereby, and therefore, modifications, equivalent changes, improvements, etc. made in the claims of the present invention are still included in the scope of the present invention.
Claims (10)
1. The utility model provides a two return circuit wind channel heat dissipation waterproof construction of converter, its characterized in that includes:
the air conditioner comprises a main box body (11), a radiator fixing plate (12), an air inlet guide plate (13), a radiator limiting plate (14), a bottom grid air inlet plate (15), the radiator fixing plate (12), a radiator (17), a fan (18), a capacitor (19) and a fan fixing plate (20);
the main box body (11) is internally connected with a radiator fixing plate (12) and a fan cover plate (16) into a whole from top to bottom, waterproof main air duct spaces are separated among the radiator fixing plate (12), the fan cover plate (16) and the main box body (11), in the waterproof main air duct space, a radiator (17), a capacitor (19) and a fan (18) are sequentially arranged on the radiator fixing plate (12) and the fan cover plate (16), the top and the bottom of the side plate of the main box body (11) are respectively provided with a heat dissipation hole as a first air inlet and a first air outlet, radiating holes are arranged on the bottom plate of the main box body (11) to be used as a second air outlet, a certain distance is reserved between the radiator fixing plate (12) and the inner top wall of the main box body to form a second air inlet, and an air inlet guide plate (13) is arranged in the main box body (11) and in a position corresponding to the heat dissipation holes in the top of the side plate.
2. The dual-circuit air duct heat-dissipating waterproof structure of a frequency converter according to claim 1, wherein the heat-dissipating holes are grid square holes.
3. The double-circuit air duct heat-dissipation waterproof structure of the frequency converter according to claim 2, wherein the grid square holes at the tops of the side plates occupy 1/2 of the width of the side plates of the main box body (11).
4. The double-circuit air duct heat-dissipation waterproof structure of the frequency converter according to claim 2, wherein the grid square holes at the bottom of the side plate occupy 1/2 width of the side plate of the main box body (11).
5. The double-loop air duct heat-dissipation waterproof structure of the frequency converter as claimed in claim 2, wherein the grid square holes of the bottom plate are distributed over the bottom plate of the main box body (11).
6. The double-loop air duct heat-dissipation waterproof structure of the frequency converter according to claim 3, wherein the air inlet guide plate (13) is integrally formed by a sealing plate and an inclined plate, the inclined plate is located above the radiator (17), and the sealing plate, the inclined plate and the main box body (11) form a guide space with an upper end opened.
7. The double-loop air duct heat-dissipation waterproof structure of the frequency converter according to claim 1, wherein the capacitor (19) penetrates through the radiator fixing plate (12).
8. The double-loop air duct heat-dissipation waterproof structure of the frequency converter according to claim 1, wherein a heat sink limiting plate (14) is arranged above the heat sink (17).
9. The dual-circuit air duct heat dissipation waterproof structure of the frequency converter according to claim 8, wherein the main box (11) is welded with the air inlet guide plate (13), the radiator fixing plate (12) and the radiator limiting plate (14) into a whole.
10. The dual-circuit air duct heat-dissipating waterproof structure of the frequency converter according to claim 1 or 9, wherein the fan cover plate (16) is fixed on the heat sink fixing plate (12) by screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921225929.9U CN210405150U (en) | 2019-07-31 | 2019-07-31 | Double-loop air duct heat dissipation waterproof structure of frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921225929.9U CN210405150U (en) | 2019-07-31 | 2019-07-31 | Double-loop air duct heat dissipation waterproof structure of frequency converter |
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| CN210405150U true CN210405150U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921225929.9U Active CN210405150U (en) | 2019-07-31 | 2019-07-31 | Double-loop air duct heat dissipation waterproof structure of frequency converter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI764463B (en) * | 2020-12-23 | 2022-05-11 | 康舒科技股份有限公司 | High power density outdoor power supply cabinet |
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2019
- 2019-07-31 CN CN201921225929.9U patent/CN210405150U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI764463B (en) * | 2020-12-23 | 2022-05-11 | 康舒科技股份有限公司 | High power density outdoor power supply cabinet |
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