CN219760840U - Waterproof structure of power unit of frequency converter - Google Patents
Waterproof structure of power unit of frequency converter Download PDFInfo
- Publication number
- CN219760840U CN219760840U CN202223508425.2U CN202223508425U CN219760840U CN 219760840 U CN219760840 U CN 219760840U CN 202223508425 U CN202223508425 U CN 202223508425U CN 219760840 U CN219760840 U CN 219760840U
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- Prior art keywords
- power unit
- frequency converter
- suction nozzle
- connecting pipe
- waterproof
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- 238000001035 drying Methods 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 9
- 239000002245 particle Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to the technical field of frequency converters, and discloses a waterproof structure of a power unit of a frequency converter, which comprises a shell and the power unit, wherein the power unit is fixedly arranged in the shell, one side of the power unit is provided with a waterproof cover, the waterproof cover is fixedly connected with the inner wall of the shell, the upper side of the waterproof cover is communicated and fixedly provided with a plurality of first connecting pipes, the top of the shell is provided with a drying box, the drying box is internally filled with drying particles, the first connecting pipes are communicated and fixedly connected with the drying box, the waterproof cover is internally provided with a suction nozzle, one side of the upper surface of the shell is provided with an exhaust fan, an air inlet pipe of the exhaust fan is fixedly connected with a second connecting pipe, one end of the suction nozzle is fixedly provided with a third connecting pipe, and the second connecting pipe is communicated and fixedly connected with the third connecting pipe through an air filter. The utility model can improve the heat dissipation efficiency of the frequency converter while guaranteeing the waterproof performance.
Description
Technical Field
The utility model relates to the technical field of frequency converters, in particular to a waterproof structure of a power unit of a frequency converter.
Background
The frequency converter is power control equipment for controlling an alternating current motor by changing the working power supply frequency of the motor through the frequency conversion technology and the microelectronic technology, and most of the frequency converter is used outdoors and is often influenced by rain and weather, so that a waterproof cover is usually arranged outside a power unit of the frequency converter.
The traditional waterproof cover of the frequency converter power unit can greatly reduce the heat dissipation efficiency of the frequency converter power unit, so that the frequency converter power unit works in a high-temperature environment for a long time and is easy to fail.
Disclosure of Invention
The utility model aims to solve the problems that in the prior art, a waterproof cover of a power unit of a frequency converter can greatly reduce the heat dissipation efficiency of the power unit of the frequency converter, so that the power unit of the frequency converter works in a high-temperature environment for a long time and is easy to fail.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a converter power unit waterproof construction, includes casing and power unit, the power unit is fixed to be set up in the inside of casing, one side of power unit is provided with the buckler, buckler and the inner wall fixed connection of casing, the upside intercommunication of buckler just is fixed to be provided with a plurality of first connecting pipes, the top of casing is provided with the drying cabinet, the inside packing of drying cabinet is equipped with dry granule, a plurality of first connecting pipes all communicates and fixed connection with the drying cabinet, the inside of buckler is provided with the suction nozzle, upper surface one side of casing is provided with the air exhauster, the intake pipe fixedly connected with second connecting pipe of air exhauster, the one end of suction nozzle is fixed to be provided with the third connecting pipe, through air cleaner intercommunication and fixed connection between second connecting pipe and the third connecting pipe, the inside of buckler is provided with the drive mechanism that drives suction nozzle reciprocating motion.
Preferably, the transmission mechanism comprises a reciprocating screw rod and a motor, the reciprocating screw rod is rotationally arranged in the waterproof cover, a sliding block is sleeved on a rod wall thread of the reciprocating screw rod, the sliding block is fixedly connected with one side of the suction nozzle, the motor is arranged on the upper surface of the waterproof cover, the motor is fixedly connected with one end of the reciprocating screw rod, a fixing plate is fixedly arranged on the inner wall of one side of the waterproof cover, a wave groove is formed in one side, close to the sliding block, of the fixing plate, a fixing rod is fixedly arranged on one side, close to the wave groove, of the sliding block, and one end of the fixing rod extends to the inner side of the wave groove.
Preferably, the fixing rod is a wear-resistant steel rod.
Preferably, the third connecting pipe is a flexible PVC pipe.
Preferably, a plurality of support steel rings are fixedly arranged in the third connecting pipe.
Preferably, the suction nozzle is arranged in a horn mouth shape.
Compared with the prior art, the utility model provides a waterproof structure of a power unit of a frequency converter, which has the following beneficial effects:
1. according to the waterproof structure of the power unit of the frequency converter, negative pressure is generated through the working of the exhaust fan, high-temperature gas in the waterproof cover is sucked out, and meanwhile, low-temperature air dried by the drying shell outside the shell is sucked into the waterproof cover, so that the heat dissipation efficiency of the frequency converter can be improved while the waterproof performance is ensured;
2. this converter power unit waterproof construction drives reciprocating screw through the motor and rotates, and reciprocating screw drives slider reciprocating motion, drives the nozzle and reciprocates promptly, takes dead lever relative fixed plate reciprocating motion simultaneously, spacing through the wave groove for swing when the dead lever reciprocating motion, can drive the nozzle swing promptly, make the nozzle swing when reciprocating up and down, can carry out comprehensive heat dissipation that induced drafts in the buckler promptly.
The device has no part which is the same as or can be realized by adopting the prior art, and the utility model can improve the heat dissipation efficiency of the frequency converter while guaranteeing the waterproof performance.
Drawings
Fig. 1 is a schematic structural diagram of a waterproof structure of a power unit of a frequency converter according to the present utility model;
fig. 2 is a schematic structural diagram of a portion a of a waterproof structure of a power unit of a frequency converter according to the present utility model;
fig. 3 is a side wall view of the fixing lever of fig. 2.
In the figure: 1 shell, 2 power unit, 3 bucklers, 4 drying cabinets, 5 first connecting pipes, 6 exhaust fans, 7 air purifiers, 8 second connecting pipes, 9 suction nozzles, 10 third connecting pipes, 11 reciprocating screw rods, 12 sliding blocks, 13 motors, 14 fixing plates, 15 fixing rods and 16 wave grooves.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-3, a waterproof structure of a power unit of a frequency converter comprises a shell 1 and a power unit 2, wherein the power unit 2 is fixedly arranged in the shell 1, one side of the power unit 2 is provided with a waterproof cover 3, the waterproof cover 3 is fixedly connected with the inner wall of the shell 1, the upper side of the waterproof cover 3 is communicated with and fixedly provided with a plurality of first connecting pipes 5, the top of the shell 1 is provided with a drying box 4, the inside of the drying box 4 is filled with dry particles, the plurality of first connecting pipes 5 are communicated with the drying box 4 and fixedly connected with the drying box, a suction nozzle 9 is arranged in the waterproof cover 3, an exhaust fan 6 is arranged on one side of the upper surface of the shell 1, an air inlet pipe of the exhaust fan 6 is fixedly connected with a second connecting pipe 8, one end of the suction nozzle 9 is fixedly provided with a third connecting pipe 10, the second connecting pipe 8 is communicated with the third connecting pipe 10 through an air filter 7, and the inside of the waterproof cover 3 is provided with a transmission mechanism for driving the suction nozzle 9 to reciprocate.
The transmission mechanism comprises a reciprocating screw rod 11 and a motor 13, the reciprocating screw rod 11 is rotatably arranged in the waterproof cover 3, a sliding block 12 is sleeved on the rod wall of the reciprocating screw rod 11 in a threaded manner, the sliding block 12 is fixedly connected with one side of the suction nozzle 9, the motor 13 is arranged on the upper surface of the waterproof cover 3, the motor 13 is fixedly connected with one end of the reciprocating screw rod 11, a fixing plate 14 is fixedly arranged on the inner wall of one side of the waterproof cover 3, a wave groove 16 is formed in one side, close to the sliding block 12, of the fixing plate 14, a fixing rod 15 is fixedly arranged on one side, close to the wave groove 16, of the sliding block 12, and one end of the fixing rod 15 extends to the inner side of the wave groove 16.
The fixed rod 15 is a wear-resistant steel rod, so that the service life of the fixed rod 15 is prolonged.
The third connecting pipe 10 is a flexible PVC pipe, and is convenient to move along with the suction nozzle 9.
The third connecting pipe 10 is fixedly provided with a plurality of supporting steel rings inside, so as to prevent the third connecting pipe 10 from being deformed due to negative pressure as much as possible.
The suction nozzle 9 is provided in a horn mouth shape, and can increase the air intake area.
In the utility model, when the waterproof device is used, the power supply of the exhaust fan 6 is connected, the exhaust fan 6 works to generate negative pressure, high-temperature gas in the waterproof cover 3 is sucked out, meanwhile, low-temperature air dried by the drying shell 4 outside the shell 1 is sucked into the waterproof cover 3 to perform ventilation and heat dissipation, namely, the heat dissipation efficiency of the frequency converter can be improved while the waterproof performance is ensured, meanwhile, the power supply of the motor 13 is connected, the motor 13 drives the reciprocating screw 11 to rotate, the reciprocating screw 11 drives the sliding block 12 to reciprocate, namely, the suction nozzle 9 is driven to reciprocate up and down, meanwhile, the fixing rod 15 is driven to reciprocate relative to the fixing plate 14, and the fixing rod 15 swings when being limited by the wave groove 16, namely, the suction nozzle 9 can be driven to swing when the suction nozzle 9 moves up and down, namely, the comprehensive suction and heat dissipation can be performed in the waterproof cover 3.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a waterproof construction of converter power unit (2), includes casing (1) and power unit (2), its characterized in that, power unit (2) is fixed to be set up in the inside of casing (1), one side of power unit (2) is provided with buckler (3), buckler (3) and the inner wall fixed connection of casing (1), buckler (3) upside intercommunication and fixed be provided with a plurality of first connecting pipes (5), the top of casing (1) is provided with drying cabinet (4), the inside packing of drying cabinet (4) is equipped with dry granule, a plurality of first connecting pipes (5) all communicate and fixed connection with drying cabinet (4), buckler (3) inside is provided with suction nozzle (9), upper surface one side of casing (1) is provided with air exhauster (6), air inlet pipe fixedly connected with second connecting pipe (8) of suction nozzle (9), one end fixedly provided with third (10) between second connecting pipe (8) and third connecting pipe (10) drive through water filter (7) and fixed connection of suction nozzle (9).
2. The waterproof structure of a frequency converter power unit (2) according to claim 1, wherein the transmission mechanism comprises a reciprocating screw rod (11) and a motor (13), the reciprocating screw rod (11) is rotatably arranged in the waterproof cover (3), a sliding block (12) is sleeved on a rod wall thread of the reciprocating screw rod (11), the sliding block (12) is fixedly connected with one side of a suction nozzle (9), the motor (13) is arranged on the upper surface of the waterproof cover (3), the motor (13) is fixedly connected with one end of the reciprocating screw rod (11), a fixing plate (14) is fixedly arranged on one side inner wall of the waterproof cover (3), a wave groove (16) is formed in one side, close to the sliding block (12), of the sliding block (12), a fixing rod (15) is fixedly arranged on one side, close to the wave groove (16), of the fixing rod (15), and one end of the fixing rod (15) extends to the inner side of the wave groove (16).
3. A water-proof structure of a frequency converter power unit (2) according to claim 2, characterized in that the fixing rod (15) is a wear-resistant steel rod.
4. A water-proof structure of a frequency converter power unit (2) according to claim 1, characterized in that the third connection tube (10) is a flexible PVC tube.
5. A waterproof structure of a power unit (2) of a frequency converter according to claim 1, characterized in that a plurality of supporting steel rings are fixedly arranged inside the third connecting pipe (10).
6. A water-proof structure of a frequency converter power unit (2) according to claim 1, characterized in that the suction nozzle (9) is arranged in a horn mouth shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223508425.2U CN219760840U (en) | 2022-12-28 | 2022-12-28 | Waterproof structure of power unit of frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223508425.2U CN219760840U (en) | 2022-12-28 | 2022-12-28 | Waterproof structure of power unit of frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219760840U true CN219760840U (en) | 2023-09-26 |
Family
ID=88087110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223508425.2U Active CN219760840U (en) | 2022-12-28 | 2022-12-28 | Waterproof structure of power unit of frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219760840U (en) |
-
2022
- 2022-12-28 CN CN202223508425.2U patent/CN219760840U/en active Active
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