CN220964679U - Noise reduction structure of excitation device of thermal power plant - Google Patents
Noise reduction structure of excitation device of thermal power plant Download PDFInfo
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- CN220964679U CN220964679U CN202322979860.1U CN202322979860U CN220964679U CN 220964679 U CN220964679 U CN 220964679U CN 202322979860 U CN202322979860 U CN 202322979860U CN 220964679 U CN220964679 U CN 220964679U
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- 230000009467 reduction Effects 0.000 title claims abstract description 68
- 230000005284 excitation Effects 0.000 title claims abstract description 35
- 239000000428 dust Substances 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000009413 insulation Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a noise reduction structure of an excitation device of a thermal power plant, which comprises a noise reduction box, wherein the right end of the inner side of the noise reduction box is communicated with an exhaust pipe, a generator excitation regulator is fixedly arranged on the inner bottom wall of the noise reduction box, two exhaust fans are fixedly arranged on the left side of the inner wall of the noise reduction box, a first noise reduction pad is adhered to the inner wall of the noise reduction box, and a filtering component for filtering dust is arranged on the left side of the noise reduction box; the filter component comprises an air inlet pipe fixedly communicated to the left side of the noise reduction box, a collecting box is fixedly connected to the lower side of the air inlet pipe, and a pull cabinet is slidably connected to the inner bottom wall of the collecting box. This excitation device of thermal power plant's structure of making an uproar falls, the cleaning brush through driving motor drive pivot upper and lower both sides rotates the dust clearance that will filter to first filter left side surface to naturally fall down the back and get into the inside collection processing of drawing the cabinet from collecting the box, avoid the dust to get into the case of making an uproar of falling.
Description
Technical Field
The utility model relates to the technical field of excitation of thermal power plants, in particular to a noise reduction structure of an excitation device of a thermal power plant.
Background
The basic principle of the generator of the thermal power plant is as follows: the rotating magnetic field sweeps across the windings, generating an electromotive force in the windings, thereby generating electricity. The rotating magnetic field is generated by exciting current through the rotor, so that excitation is very important for the generator, and electric power cannot be generated without excitation for a general generator, whether excitation is permanent magnet or electromagnetic.
Through retrieving, chinese patent CN214998485U discloses a thermal power plant's fan vibration/noise reduction device, including sound insulation box, exhaust device, driving motor, motor base and fixed plate, the sound insulation box includes sound insulation shell, sound insulation shell is inside hollow box-like structure, just the top middle part rotatable coupling of sound insulation shell has flip, rotatable coupling position is kept away from to flip constructs there is the connecting plate, set up the recess that supplies the connecting plate gomphosis on the sound insulation shell, the screw has the bolt on the connecting plate, in the bolt threaded connection is to sound insulation shell, mid-mounting has driving motor in the sound insulation shell, motor base is installed to driving motor's bottom, a plurality of springs are installed to motor base's bottom, a plurality of the bottom of springs all with sound insulation shell's inside bottom fixed connection, this utility model utilizes can be with driving motor produced noise isolation in, and can shock attenuation to driving motor in the work.
However, the vibration/noise reduction device is matched with the internal exhaust device for use, but the exhaust device can suck all dust in the air and the like under the condition of long-time use, so that the inside of the sound insulation box is filled with the dust, a great amount of time is required for cleaning, and the production requirement cannot be met, so that the noise reduction structure of the excitation device of the thermal power plant is provided to solve the problems.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a noise reduction structure of an excitation device of a thermal power plant, which has the advantages that dust in air is filtered and cleaned in a collecting box and the like, and solves the problems that the dust in the air is fully sucked by an internal exhaust device under the condition of long-time use, so that the inside of a sound insulation box is full of dust and a large amount of time is required to be consumed during cleaning.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a structure of making an uproar falls in excitation device of thermal power plant, includes the case of making an uproar falls, the right-hand member intercommunication of the incasement side of making an uproar falls has the blast pipe, the bottom wall fixed mounting has generator excitation regulator in the case of making an uproar falls, the left side fixed mounting of the incasement wall of making an uproar falls has two exhaust fans, the incasement wall of making an uproar falls to bond has first the pad of making an uproar, the case left side of making an uproar is provided with and is used for the filterable filter element to the dust of making an uproar falls.
The filter component comprises an air inlet pipe fixedly communicated to the left side of the noise reduction box, a collecting box is fixedly connected to the lower side of the air inlet pipe, a pull cabinet is slidably connected to the inner bottom wall of the collecting box, a first filter plate is fixedly connected to the right side of the inner wall of the air inlet pipe, a driving motor is rotatably connected to the left side of the first filter plate, a rotating shaft is fixedly connected to the output end of the driving motor, and cleaning brushes are fixedly connected to the upper side and the lower side of the rotating shaft.
Further, two exhaust fans are vertically equidistantly arranged, and a sliding groove is formed in the lower side of the collecting box.
Further, the front end face of the pull cabinet is fixedly connected with two sliding blocks, and the two sliding blocks are in sliding connection with a sliding groove formed in the collecting box.
Further, the through hole is formed in the lower side of the air inlet pipe, and the lower side of the through hole penetrates through the collecting box and extends to the inside.
Further, driving motor surface fixed connection is at intake pipe inner wall surface, the pivot runs through first filter and extends to outside.
Further, the right side of the cleaning brush is attached to the left side surface of the first filter plate.
Further, the front end face of the noise reduction box is hinged with a box cover, and a second noise reduction pad is adhered to one side face of the box cover.
Further, the second noise reduction pad and the first noise reduction pad are both soundproof cotton pads.
Compared with the prior art, the utility model provides a noise reduction structure of an excitation device of a thermal power plant, which has the following beneficial effects:
1. This excitation device of thermal power plant's structure of making an uproar falls, the cleaning brush through driving motor drive pivot upper and lower both sides rotates the dust clearance that will filter to first filter left side surface to naturally fall down the back and get into the inside collection processing of drawing the cabinet from collecting the box, avoid the dust to get into the case of making an uproar of falling.
2. This excitation device of thermal power plant's structure of making an uproar falls, the second that makes an uproar that falls that fills up and the case lid surface bond falls through the first pad of making an uproar that falls in the case of making an uproar falls can effectually reduce the noise that the generator excitation regulator produced, reaches the effect of making an uproar and falls, has solved through inside exhaust device cooperation operation use, but exhaust device can inhale people with dust etc. in the air under the long-time use condition, leads to the inside dust that is full of sound proof box, the problem of consuming a large amount of time when the clearance.
Drawings
FIG. 1 is a front elevational view of the structure of the present utility model;
FIG. 2 is a structural interior view of the noise reduction box of the present utility model;
FIG. 3 is a cross-sectional view of the structure of the noise reduction box of the present utility model;
Fig. 4 is a structural cross-sectional view of the air intake pipe of the present utility model.
In the figure: 1 noise reduction box, 2 case lid, 3 filter components, 4 collecting box, 5 pull-out cabinet, 6 slider, 7 first noise reduction pad, 8 second noise reduction pad, 9 blast pipe, 10 generator excitation regulator, 11 exhaust fan, 12 intake pipe, 13 cleaning brush, 14 first filter, 15 driving motor, 16 pivot, 17 through-holes.
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.
Embodiment one:
Referring to fig. 1-4, the noise reduction structure of the excitation device of the thermal power plant in the embodiment includes a noise reduction box 1, an exhaust pipe 9 is communicated with the right end of the inner side of the noise reduction box 1, a generator excitation regulator 10 is fixedly installed on the inner bottom wall of the noise reduction box 1, two exhaust fans 11 are fixedly installed on the left side of the inner wall of the noise reduction box 1, a first noise reduction pad 7 is adhered to the inner wall of the noise reduction box 1, a filtering component 3 for filtering dust is arranged on the left side of the noise reduction box 1, the filtering component 3 comprises an air inlet pipe 12 fixedly communicated with the left side of the noise reduction box 1, a collecting box 4 is fixedly connected with a pull cabinet 5 on the inner bottom wall of the collecting box 4, a first filter plate 14 is fixedly connected with the right side of the inner wall of the air inlet pipe 12, a driving motor 15 is rotatably connected on the left side of the first filter plate 14, a rotating shaft 16 is fixedly connected with the output end of the driving motor 15, and cleaning brushes 13 are fixedly connected on the upper side and the lower side of the rotating shaft 16.
Wherein, two exhaust fans 11 are vertical equidistance and arrange, the spout has been seted up to the inside of collecting box 4 downside, terminal surface fixedly connected with two sliders 6 before the pull cabinet 5, sliding connection in the spout that collecting box 4 was seted up two sliders 6, through-hole 17 has been seted up to the inside of intake pipe 12 downside, through-hole 17 downside runs through collecting box 4 and extends to inside, driving motor 15 fixed surface connects at intake pipe 12 inner wall surface, pivot 16 runs through first filter 14 and extends to the outside, cleaning brush 13 right side laminating is to first filter 14 left side surface.
Embodiment two:
Referring to fig. 1-2, in the first embodiment, the noise reduction box comprises a box cover 2 hinged to the front end surface of the noise reduction box 1, a second noise reduction pad 8 is adhered to one side surface of the box cover 2, and the second noise reduction pad 8 and the first noise reduction pad 7 are both soundproof cotton pads.
By adopting the technical scheme, the noise generated by the operation of the generator excitation regulator 10 in the noise reduction box 1 can be effectively improved by the second noise reduction pad 8, and the noise reduction effect is achieved.
The working principle of the embodiment is as follows:
The generator excitation regulator 10 is fixedly arranged in the noise reduction box 1, the box cover 2 is closed, the first noise reduction pad 7 in the noise reduction box 1 and the second noise reduction pad 8 adhered to one side surface of the box cover 2 are utilized to effectively reduce the contrast generated when the generator excitation regulator 10 operates, the external air is discharged from the filtering component 3 into the noise reduction box 1 through the exhaust fan 11 when the generator excitation regulator 10 operates, the surface heat energy of the generator excitation regulator 10 is quickly blown away, the external air is discharged from the exhaust pipe 9 to achieve the heat reduction effect, the dust filtered on the surface of the first filter plate 14 is started to rotate circumferentially through the cleaning brushes 13 on the upper side and the lower side of the rotating shaft 16 by the output end of the driving motor 15, the dust on the surface of the first filter plate 14 is cleaned and naturally falls down, the dust falls to the inner side of the pull cabinet 5 from the through holes 17 along with the falling, the pull cabinet 5 is pulled to slide out in the collecting box 4 by the sliding of the sliding block 6, and the collected dust is cleaned.
The electrical components appearing herein are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device for controlling a computer and the like, and the prior art of power connection is not described in detail herein.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
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 (8)
1. The utility model provides a structure of making an uproar falls in excitation device of thermal power plant, includes case (1) of making an uproar falls, its characterized in that: the right end of the inner side of the noise reduction box (1) is communicated with an exhaust pipe (9), a generator excitation regulator (10) is fixedly arranged on the inner bottom wall of the noise reduction box (1), two exhaust fans (11) are fixedly arranged on the left side of the inner wall of the noise reduction box (1), a first noise reduction pad (7) is adhered to the inner wall of the noise reduction box (1), and a filtering component (3) for filtering dust is arranged on the left side of the noise reduction box (1);
The filter assembly (3) comprises an air inlet pipe (12) fixedly communicated to the left side of the noise reduction box (1), a collecting box (4) is fixedly connected to the lower side of the air inlet pipe (12), a pull cabinet (5) is slidably connected to the inner bottom wall of the collecting box (4), a first filter plate (14) is fixedly connected to the right side of the inner wall of the air inlet pipe (12), a driving motor (15) is rotationally connected to the left side of the first filter plate (14), a rotating shaft (16) is fixedly connected to the output end of the driving motor (15), and cleaning brushes (13) are fixedly connected to the upper side and the lower side of the rotating shaft (16).
2. The noise reduction structure of an excitation device of a thermal power plant according to claim 1, wherein: the two exhaust fans (11) are vertically arranged at equal intervals, and a chute is formed in the lower side of the collecting box (4).
3. The noise reduction structure of an excitation device of a thermal power plant according to claim 2, wherein: the front end face of the pull cabinet (5) is fixedly connected with two sliding blocks (6), and the two sliding blocks (6) are in sliding connection in a sliding groove formed in the collecting box (4).
4. The noise reduction structure of an excitation device of a thermal power plant according to claim 1, wherein: the inside of intake pipe (12) downside is seted up through-hole (17), through-hole (17) downside runs through collection box (4) and extends to inside.
5. The noise reduction structure of an excitation device of a thermal power plant according to claim 1, wherein: the surface of the driving motor (15) is fixedly connected to the surface of the inner wall of the air inlet pipe (12), and the rotating shaft (16) penetrates through the first filter plate (14) and extends to the outside.
6. The noise reduction structure of an excitation device of a thermal power plant according to claim 1, wherein: the right side of the cleaning brush (13) is attached to the left side surface of the first filter plate (14).
7. The noise reduction structure of an excitation device of a thermal power plant according to claim 1, wherein: the front end face of the noise reduction box (1) is hinged with a box cover (2), and a second noise reduction pad (8) is adhered to one side face of the box cover (2).
8. The noise reduction structure of an excitation device of a thermal power plant according to claim 7, wherein: the second noise reduction pad (8) and the first noise reduction pad (7) are both soundproof cotton pads.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322979860.1U CN220964679U (en) | 2023-11-03 | 2023-11-03 | Noise reduction structure of excitation device of thermal power plant |
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CN202322979860.1U CN220964679U (en) | 2023-11-03 | 2023-11-03 | Noise reduction structure of excitation device of thermal power plant |
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CN202322979860.1U Active CN220964679U (en) | 2023-11-03 | 2023-11-03 | Noise reduction structure of excitation device of thermal power plant |
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