CN219204912U - Frequency converter applicable to doubly-fed wind generator - Google Patents
Frequency converter applicable to doubly-fed wind generator Download PDFInfo
- Publication number
- CN219204912U CN219204912U CN202223321662.8U CN202223321662U CN219204912U CN 219204912 U CN219204912 U CN 219204912U CN 202223321662 U CN202223321662 U CN 202223321662U CN 219204912 U CN219204912 U CN 219204912U
- Authority
- CN
- China
- Prior art keywords
- frequency converter
- converter body
- doubly
- converter
- wind generator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a frequency converter applicable to a doubly-fed wind generator, which belongs to the technical field of frequency converters and comprises a frequency converter body, wherein two sides of the frequency converter body are respectively provided with an air inlet and an air outlet, and a dustproof component is arranged at one side of the frequency converter body and at the corresponding position of the air outlet; according to the utility model, the dehumidifying box is arranged at the air inlet at one side of the frequency converter body, so that air entering the frequency converter body can be dehumidified, moisture carried in the air is prevented from entering the frequency converter body to cause that the inside of the frequency converter body is in a wet state to influence the normal use of the frequency converter body, and the fan is arranged at one side of the dehumidifying box, so that external air can be assisted to enter the frequency converter body through the dehumidifying box and the air inlet, the air inlet effect of the frequency converter body is effectively influenced due to the obstruction effect of the dehumidifying box and the drying agent, and the normal ventilation and heat dissipation effects of the inside of the frequency converter body are further ensured.
Description
Technical Field
The utility model relates to the technical field of frequency converters, in particular to a frequency converter applicable to a doubly-fed wind driven generator.
Background
The frequency converter can control the working power supply frequency of the motor, is widely used for various electrical equipment, takes the frequency converter as a main electrical element on the doubly-fed wind driven generator, does not have a dampproof structure, and when the frequency converter is used in a region with high humidity, moist air can easily enter the frequency converter through the ventilation holes of the frequency converter directly, so that the elements in the frequency converter are corroded, aged or damaged, and the normal use of the frequency converter is affected.
The utility model discloses a frequency converter with a moisture-proof structure, wherein the frequency converter is provided with a containing box, and in the process of using the frequency converter body, before entering the frequency converter body through a ventilation opening, air can enter the containing box through a communication hole, and a drying agent can absorb water vapor in the air, so that the air enters the frequency converter body after being dried, and the moist air is prevented from affecting the normal use of the frequency converter body.
Above-mentioned patent can effectively dehumidify the air that gets into its inside through set up the drier in the ventilative mouthful department of converter organism both sides, but set up drier and mounting structure in ventilative mouthful department and can influence the normal ventilation effect of ventilative mouthful, lead to the converter organism in the course of the work its inside heat can not effectively be discharged, and then can have the not good problem of heat dissipation, consequently we need to propose a suitable doubly-fed wind generator converter.
Disclosure of Invention
The utility model aims to provide a frequency converter suitable for a doubly-fed wind generator, which has the advantage of dampproof function and can ensure effective ventilation and heat dissipation so as to solve the problems in the prior art.
In order to achieve the above purpose, the utility model provides a frequency converter suitable for a doubly-fed wind driven generator, which comprises a frequency converter body, wherein an air inlet and an air outlet are respectively formed in two sides of the frequency converter body, a dustproof component is arranged at a corresponding position of the air outlet on one side of the frequency converter body, a dehumidifying box is arranged at a corresponding position of the air inlet on the other side of the frequency converter body, a drying agent is placed in an inner cavity of the dehumidifying box, the dehumidifying box is fixedly arranged on the surface of the frequency converter body through a mounting component, a fixing shell is fixedly arranged on one side of the dehumidifying box, a fan is fixedly arranged in an inner cavity of the fixing shell at equal intervals, an air inlet groove is formed in the surface of the fixing shell and at a corresponding position of the fan, and a filter plate is fixedly arranged in the inner cavity of the air inlet groove.
Preferably, the ventilation plates are arranged on two sides of the dehumidification box, the feed inlet and the discharge outlet are respectively arranged on the upper side and the lower side of the dehumidification box, the sealing plates are arranged in the inner cavities of the feed inlet and the discharge outlet, and the sealing plates are fixedly locked on the surface of the dehumidification box through the locking components.
Preferably, the locking assembly comprises a clamping groove arranged on the surface of the dehumidification box, the two ends of the sealing plate are fixedly provided with locking plates, the surface of each locking plate is connected with the inner wall of the clamping groove in a clamping mode, the surface of each locking plate is connected with a locking rod in a threaded mode, and one end of each locking rod penetrates through the corresponding locking plate and extends to the outer portion of each locking plate to be connected with the inner wall of the corresponding clamping groove in a threaded mode.
Preferably, the installation component includes fixed mounting in the mounting bracket on dehumidification box surface, the equal threaded connection in four corners of mounting bracket one side has the installation pole, the one end of installation pole runs through the mounting bracket and extends to the outside of mounting bracket and the surface threaded connection of converter organism.
Preferably, the dustproof assembly comprises a fixed frame fixedly arranged on one side of the frequency converter body, the inner cavity of the fixed frame is rotationally connected with a dustproof plate at equal intervals, rotating shafts are fixedly arranged on the upper side and the lower side of the dustproof plate, the surface of the rotating shaft is rotationally connected with the inner wall of the fixed frame, and a group of the rotating shafts positioned above penetrate through the fixed frame and extend to the outer part of the fixed frame to be provided with a driving assembly.
Preferably, the driving assembly comprises a gear fixedly mounted at the top end of the rotating shaft, a toothed plate is slidably connected to the top of the fixing frame and one side of the gear, one side of the toothed plate is meshed with the surface of the gear, an electric push rod is fixedly mounted at the top of the fixing frame, a connecting plate is fixedly mounted at the telescopic end of the electric push rod, and one side of the connecting plate is fixedly connected with the surface of the toothed plate.
Preferably, a fixed sleeve is fixedly arranged at the top of the fixed frame and at the corresponding position of the toothed plate, and the surface of the toothed plate is in sliding connection with the inner wall of the fixed sleeve.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the dehumidifying box is arranged at the air inlet at one side of the frequency converter body, so that air entering the frequency converter body can be dehumidified, moisture carried in the air is prevented from entering the frequency converter body to cause that the inside of the frequency converter body is in a wet state to influence the normal use of the frequency converter body, and the fan is arranged at one side of the dehumidifying box, so that external air can be assisted to enter the frequency converter body through the dehumidifying box and the air inlet, the air inlet effect of the frequency converter body is effectively influenced due to the obstruction effect of the dehumidifying box and the drying agent, and the normal ventilation and heat dissipation effects of the inside of the frequency converter body are further ensured;
2. according to the utility model, the dustproof assembly is arranged, so that the dustproof effect can be achieved on the exhaust port of the frequency converter body, when the frequency converter is not in use, the dustproof plate can seal the exhaust port to prevent external dust from entering the frequency converter body through the exhaust port, the dustproof plate can be driven by the driving assembly to rotate to provide a circulation space for air circulation in the heat dissipation process, the sealing plate can be locked and fixed at the feed inlet and the discharge outlet of the dehumidification box through the locking assembly by virtue of the sealing plate, and the drying agent is limited in the inner cavity of the dehumidification box.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the air inlet of the present utility model;
FIG. 3 is a schematic view of the structure of the exhaust port of the present utility model;
FIG. 4 is a schematic diagram of a split structure of the dehumidifying box of the present utility model;
fig. 5 is a schematic partial structure of the dust-proof assembly of the present utility model.
In the figure: 1. a frequency converter body; 2. an air inlet; 3. an exhaust port; 4. a dehumidifying box; 5. a fixed case; 6. a blower; 7. an air inlet groove; 8. a filter plate; 9. a ventilation plate; 10. a feed inlet; 11. a discharge port; 12. a sealing plate; 13. a clamping groove; 14. a locking plate; 15. a locking lever; 16. a mounting frame; 17. a mounting rod; 18. a fixing frame; 19. a dust-proof plate; 20. a rotating shaft; 21. a gear; 22. a toothed plate; 23. an electric push rod; 24. a connecting plate; 25. and (5) fixing the sleeve.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the utility model provides a frequency converter suitable for a doubly-fed wind generator, which comprises a frequency converter body 1, wherein an air inlet 2 and an air outlet 3 are respectively formed on two sides of the frequency converter body 1, a dustproof component is arranged on one side of the frequency converter body 1 and at the corresponding position of the air outlet 3, the dustproof component comprises a fixed frame 18 fixedly arranged on one side of the frequency converter body 1, dust plates 19 are rotationally connected with an inner cavity of the fixed frame 18 at equal intervals, rotating shafts 20 are fixedly arranged on the upper side and the lower side of the dust plates 19, the surfaces of the rotating shafts 20 are rotationally connected with the inner wall of the fixed frame 18, a driving component is arranged on the top end of a group of rotating shafts 20 positioned above, penetrates through the fixed frame 18 and extends to the outer part of the fixed frame 18, the driving component comprises a gear 21 fixedly arranged on the top end of a group of rotating shafts 20 positioned above, the top of the fixed frame 18 is slidably connected with a toothed plate 22 on one side of the gear 21, one side of the toothed plate 22 is meshed with the surface of the gear 21, an electric push rod 23 is fixedly arranged on the top of the fixed frame 18, a telescopic end of the electric push rod 23 is fixedly provided with a connecting plate 24, and one side of the connecting plate 24 is fixedly connected with the surface of the toothed plate 22;
through the cooperation of the air inlet 2 and the air outlet 3, the ventilation of the interior of the frequency converter body 1 can be ensured, and then the heat dissipation effect of the frequency converter body 1 during use is ensured, when the heat dissipation structure in the frequency converter body 1 works, the external air can be pumped into the interior of the frequency converter body through the air inlet 2, and the air with higher temperature is discharged from the air outlet 3 to the outside through the air outlet 3;
when the heat dissipation work is not carried out, the dustproof assembly can seal the air outlet 3, so that external dust is prevented from entering the interior of the frequency converter body 1 through the air outlet 3, when the heat dissipation is required, a user can open the electric push rod 23 through the external controller, the telescopic end of the electric push rod 23 can drive the toothed plate 22 to move through the connecting plate 24, and the toothed plate 22 and the gear 21 are in a meshed state, when the toothed plate 22 moves, the gear 21 can be driven to rotate, and the rotation of the gear 21 can drive the dustproof plate 19 to rotate through the rotating shaft 20, so that the dustproof plate 19 is opened to provide space for air circulation;
preferably, a fixing sleeve 25 is fixedly arranged at the top of the fixing frame 18 and at the corresponding position of the toothed plate 22, the surface of the toothed plate 22 is in sliding connection with the inner wall of the fixing sleeve 25, and the toothed plate 22 can be limited by the arrangement of the fixing sleeve 25 so as to improve the moving stability of the toothed plate 22, and the surface of the toothed plate 22 can move in the inner cavity of the fixing sleeve 25 when moving;
the other side of the frequency converter body 1 and the corresponding position of the air inlet 2 are provided with a dehumidifying box 4, two sides of the dehumidifying box 4 are respectively provided with an air permeable plate 9, two sides of the dehumidifying box 4 are respectively provided with a feed inlet 10 and a discharge outlet 11, inner cavities of the feed inlet 10 and the discharge outlet 11 are respectively provided with a sealing plate 12, the sealing plates 12 are locked and fixed on the surface of the dehumidifying box 4 through locking components, the locking components comprise clamping grooves 13 arranged on the surface of the dehumidifying box 4, two ends of the sealing plates 12 are respectively fixedly provided with a locking plate 14, the surface of the locking plate 14 is clamped with the inner wall of the clamping groove 13, the surface of the locking plate 14 is in threaded connection with a locking rod 15, and one end of the locking rod 15 penetrates through the locking plate 14 and extends to the outer part of the locking plate 14 to be in threaded connection with the inner wall of the clamping groove 13, and drying agent is placed in the inner cavity of the dehumidifying box 4;
through the arrangement of the dehumidifying box 4, moisture carried in the outside pumped air can be absorbed by the drying agent in the dehumidifying box 4 so as to prevent the moisture carried in the outside air from entering the interior of the frequency converter body 1 to cause the interior to be in a wet state so as to influence the normal use of the frequency converter body, a user can conveniently input the drying agent into the dehumidifying box 4 through the arrangement of the feed inlet 10, the user can conveniently take out the drying agent after water absorption from the dehumidifying box 4 and replace the drying agent through the arrangement of the discharge outlet 11, the feed inlet 10 and the discharge outlet 11 can be plugged through the arrangement of the sealing plate 12, the user can clamp the sealing plate 12 into the inner cavities of the feed inlet 10 and the discharge outlet 11 during plugging, the locking plates 14 at two sides of the sealing plate 12 can be clamped into the clamping grooves 13 on the surface of the dehumidifying box 4 at the moment, and then the user can tightly fasten the locking rod 15 to fix the sealing plate on the dehumidifying box 4;
it is worth to say that the dehumidifying box 4 is fixed on the surface of the frequency converter body 1 through a mounting assembly, the mounting assembly comprises a mounting frame 16 fixedly mounted on the surface of the dehumidifying box 4, four corners on one side of the mounting frame 16 are respectively connected with a mounting rod 17 in a threaded manner, and one end of the mounting rod 17 penetrates through the mounting frame 16 and extends to the outside of the mounting frame 16 to be in threaded connection with the surface of the frequency converter body 1;
through the arrangement of the installation component, the dehumidifying box 4 can be installed and fixed on the surface of the frequency converter body 1, a user can attach one side of the installation frame 16 to the surface of the frequency converter body 1 in the installation process, then the installation rod 17 is screwed down to enable one end of the installation rod to penetrate through the installation frame 16 and extend to the outside of the installation frame 16 to be connected with the surface of the frequency converter body 1 through threads, and therefore the using position of the dehumidifying box 4 is installed and fixed;
preferably, a fixed shell 5 is fixedly installed on one side of the dehumidifying box 4, a fan 6 is fixedly installed in an inner cavity of the fixed shell 5 at equal intervals, an air inlet groove 7 is formed in the surface of the fixed shell 5 and located at a position corresponding to the fan 6, a filter plate 8 is fixedly installed in the inner cavity of the air inlet groove 7, through the arrangement of the fan 6, the dehumidifying box 4 and a drying agent in the dehumidifying box can influence the efficiency of air entering the inside of the frequency converter body 1 normally through the air inlet 2, a user can open the fan 6 to pump outside air into the fixed shell 5 and forcedly squeeze the air into the air inlet 2 under the action of high pressure so as to offset the air inflow reduced due to resistance of the dehumidifying box 4 and the drying agent to the air, the air inflow is ensured to be equivalent to that before the dehumidifying box 4 is installed, and the air entering the fixed shell 5 can be filtered through the arrangement of the filter plate 8.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a be suitable for doubly-fed wind generator converter, includes converter organism (1), air inlet (2) and gas vent (3) have been seted up respectively to the both sides of converter organism (1), its characterized in that: dustproof subassembly is installed to one side of converter organism (1) and the department that corresponds that is located gas vent (3), the opposite side of converter organism (1) and the department that corresponds that is located air inlet (2) are provided with dehumidification box (4), the drier has been placed to the inner chamber of dehumidification box (4), the surface that is fixed in converter organism (1) is installed through installation component to dehumidification box (4), one side fixed mounting of dehumidification box (4) has fixed shell (5), the inner chamber equidistance fixed mounting of fixed shell (5) has fan (6), inlet air groove (7) have been seted up on the surface of fixed shell (5) and the department that corresponds that is located fan (6), the inner chamber fixed mounting of inlet air groove (7) has filter (8).
2. A frequency converter for a doubly-fed wind generator according to claim 1, wherein: the novel dehumidifying box is characterized in that ventilation plates (9) are arranged on two sides of the dehumidifying box (4), a feed inlet (10) and a discharge outlet (11) are respectively formed in the upper side and the lower side of the dehumidifying box (4), sealing plates (12) are arranged in inner cavities of the feed inlet (10) and the discharge outlet (11), and the sealing plates (12) are fastened on the surface of the dehumidifying box (4) through locking assemblies.
3. A frequency converter for a doubly-fed wind generator suitable for use in accordance with claim 2, wherein: the locking assembly comprises a clamping groove (13) formed in the surface of the dehumidification box (4), locking plates (14) are fixedly mounted at two ends of the sealing plate (12), the surface of the locking plates (14) is clamped with the inner wall of the clamping groove (13), locking rods (15) are connected with the surface of the locking plates (14) in a threaded mode, and one ends of the locking rods (15) penetrate through the locking plates (14) and extend to the outer portion of the locking plates (14) to be connected with the inner wall of the clamping groove (13) in a threaded mode.
4. A doubly-fed wind generator frequency converter suitable for use according to any one of claims 1 to 3, wherein: the installation component includes mounting bracket (16) of fixed mounting in dehumidification box (4) surface, the equal threaded connection in four corners of mounting bracket (16) one side has installation pole (17), the one end of installation pole (17) runs through mounting bracket (16) and extends to the outside of mounting bracket (16) and the surface threaded connection of converter organism (1).
5. A frequency converter for a doubly-fed wind generator according to claim 1, wherein: the dustproof assembly comprises a fixing frame (18) fixedly mounted on one side of a frequency converter body (1), dustproof plates (19) are rotationally connected to an inner cavity of the fixing frame (18) at equal intervals, rotating shafts (20) are fixedly mounted on the upper side and the lower side of each dustproof plate (19), the surfaces of the rotating shafts (20) are rotationally connected with the inner wall of the fixing frame (18), and a group of the rotating shafts (20) located above penetrate through the fixing frame (18) and extend to the outer portion of the fixing frame (18) to be provided with a driving assembly.
6. The frequency converter for a doubly-fed wind generator according to claim 5, wherein: the driving assembly comprises a gear (21) fixedly mounted at the top end of a group of rotating shafts (20) above, a toothed plate (22) is slidably connected to the top of the fixing frame (18) and one side of the gear (21), one side of the toothed plate (22) is meshed with the surface of the gear (21), an electric push rod (23) is fixedly mounted at the top of the fixing frame (18), a connecting plate (24) is fixedly mounted at the telescopic end of the electric push rod (23), and one side of the connecting plate (24) is fixedly connected with the surface of the toothed plate (22).
7. The frequency converter for a doubly-fed wind generator according to claim 6, wherein: the top of mount (18) and be located the fixed cover (25) of the corresponding department fixed mounting of pinion rack (22), the surface of pinion rack (22) and the inner wall sliding connection of fixed cover (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223321662.8U CN219204912U (en) | 2022-12-12 | 2022-12-12 | Frequency converter applicable to doubly-fed wind generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223321662.8U CN219204912U (en) | 2022-12-12 | 2022-12-12 | Frequency converter applicable to doubly-fed wind generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219204912U true CN219204912U (en) | 2023-06-16 |
Family
ID=86706042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223321662.8U Active CN219204912U (en) | 2022-12-12 | 2022-12-12 | Frequency converter applicable to doubly-fed wind generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219204912U (en) |
-
2022
- 2022-12-12 CN CN202223321662.8U patent/CN219204912U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212085604U (en) | Power distribution cabinet with moisture-proof function | |
| CN110649492A (en) | Damp-proof communication electric power cabinet | |
| CN219204912U (en) | Frequency converter applicable to doubly-fed wind generator | |
| CN216085798U (en) | Power distribution cabinet for power transmission | |
| CN211045999U (en) | Dehumidification device for electric power cabinet | |
| CN219014495U (en) | Electric heater | |
| CN213717311U (en) | Dampproofing effectual intelligent power distribution cabinet | |
| CN208849243U (en) | A kind of moisture-proof ventilation unit for electromechanical cabinet | |
| CN220274158U (en) | Security protection equipment heat radiation structure | |
| CN208553667U (en) | A kind of maintenance-free moisture absorber | |
| CN220856349U (en) | New energy super capacitor battery pack | |
| CN219937744U (en) | Cooling and dehumidifying type thermal control power cabinet | |
| CN219536021U (en) | Moisture-proof photovoltaic combiner box | |
| CN216699306U (en) | High tension switchgear with uniformly heating dehumidifier | |
| CN219247696U (en) | Constant-pressure water supply frequency converter with dustproof and dampproof structure | |
| CN219801540U (en) | Dehumidification device of electric power cabinet | |
| CN216086463U (en) | Frequency conversion cabinet with good heat dissipation effect | |
| CN218820724U (en) | Dehumidification runner box | |
| CN214315967U (en) | Electric appliance cabinet with dehumidification function | |
| CN216813465U (en) | Water conservancy and hydropower equipment placing frame with dampproofing function | |
| CN218183737U (en) | Hot runner control cabinet with dampproofing from dry function | |
| CN219203904U (en) | Block terminal convenient to it is dampproofing | |
| CN220042668U (en) | Moistureproof electric control cabinet | |
| CN216215214U (en) | Industrial automation protection against electric shock block terminal device | |
| CN219536512U (en) | Protection box body for constant temperature and humidity control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |