CN108495210B - Method for preventing dust and removing ash of sound box - Google Patents
Method for preventing dust and removing ash of sound box Download PDFInfo
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- CN108495210B CN108495210B CN201810423448.2A CN201810423448A CN108495210B CN 108495210 B CN108495210 B CN 108495210B CN 201810423448 A CN201810423448 A CN 201810423448A CN 108495210 B CN108495210 B CN 108495210B
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- mesh enclosure
- storage bin
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- 239000000428 dust Substances 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000003860 storage Methods 0.000 claims abstract description 67
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims abstract description 12
- 230000005484 gravity Effects 0.000 claims abstract description 9
- 230000001360 synchronised effect Effects 0.000 claims abstract description 9
- 238000001179 sorption measurement Methods 0.000 claims abstract description 6
- 230000009471 action Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000000903 blocking effect Effects 0.000 claims description 9
- 230000004044 response Effects 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000003321 amplification Effects 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 1
- 238000002955 isolation Methods 0.000 description 8
- 230000003068 static effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 239000013589 supplement Substances 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/88—Cleaning-out collected particles
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a sound box with dust-proof and dust-cleaning functions and a dust-proof and dust-cleaning method thereof.A porous mesh enclosure for sound transmission is arranged in front of a power amplification sound production path of the sound box, dust entering through the holes is subjected to electrostatic adsorption treatment at the rear, and the dust falls into a dust storage bin at the bottom of the sound box by virtue of the gravity of the dust after power failure; the plurality of holes on the mesh enclosure are simultaneously blocked in synchronization with the power failure, and the plurality of holes on the mesh enclosure are simultaneously unblocked in synchronization with the power opening to keep through; synchronous with the power supply switching, the dust is selectively blocked by a movable cover plate on a falling path under the action of gravity, the cover plate blocks the falling path above the dust storage bin when the power supply is started, and the cover plate releases the falling path space above the dust storage bin when the power supply is disconnected; the loudspeaker box can prevent external dust from drifting into the loudspeaker box when the loudspeaker box is in a power-off state and a power-on state, and can prevent the loudspeaker box from vibrating or secondary drifting of collected dust caused by external wind power when the loudspeaker box is in the power-on state.
Description
Technical Field
The invention relates to the field of sound boxes, in particular to a sound box with a dust-proof and ash-cleaning function and a dust-proof and ash-cleaning method.
Background
A speaker refers to a device that can convert an audio signal into sound. The popular way is that a power amplifier is arranged in a main box body or a bass box body of the sound box, and the sound is emitted back by the sound box after the audio signal is amplified, so that the sound is increased. The loudspeaker box is a terminal of the whole sound system and is used for converting audio electric energy into corresponding sound energy and radiating the sound energy into a space. It is an extremely important component of an audio system and is responsible for the task of converting electrical signals into acoustic signals for direct listening by the human ear.
The applicant finds that at least the following technical problems exist in the prior art: the audio amplifier does not set up dustproof construction, and outside dust enters into the audio amplifier easily and influences the sound producing effect, can't collect the back clearance with the dust simultaneously, unpacks apart the mode of clearance complicated and damage the audio amplifier easily.
Disclosure of Invention
The invention aims to solve the problems, and provides a sound box with a dust-proof and ash-cleaning function so as to solve the technical problems that in the prior art, in daily use, dust enters the sound box and then adheres to the speaker to influence the sound production effect and the like. The preferable technical scheme in the technical schemes provided by the invention comprises the following steps: the technical effects of adsorbing dust through the charges on the electrostatic electret plate, preventing the dust from attaching to the loudspeaker and the like are described in detail below.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a sound box with a dust-proof and dust-cleaning function, which comprises a sound box body, wherein a data interface is arranged in the middle of the back surface of the sound box body, a support is arranged in the sound box body, a loudspeaker is arranged on the outer side of the middle of the support, an isolation box is arranged on the outer side of the bottom of the support, a storage device is arranged on the bottom surface in the isolation box, a controller is arranged beside the storage device, the data interface, the loudspeaker, the storage device and the controller are all electrically connected, a dust-proof device is arranged in front of the sound box body, and a dust-cleaning device;
the dustproof device comprises a mesh enclosure, an electrostatic electret plate is fixedly mounted on the inner side of the mesh enclosure, an electrostatic generator is arranged on the side surface of the bottom of the electrostatic electret plate, and the electrostatic generator is electrically connected with the controller;
the ash removal device comprises an ash storage bin and a handle, wherein the handle is arranged in front of the ash storage bin, a supporting shaft is fixed on the side face of the ash storage bin, rollers are fixed at the end parts of the supporting shaft, a sliding rail is arranged on the outer side of each roller, and a convex block is arranged on the inner side of each sliding rail.
When the sound box with the dust-proof and dust-cleaning functions is used, the audio information to be played is transmitted to the storage device through the data interface to be stored, when the audio information to be played is required to be played, the audio information in the storage device is called through the controller and transmitted to the loudspeaker to be played, the sound production of the sound box body is completed, in the daily use process, the electrostatic generator supplements charges for the electrostatic electret plate, when dust enters the sound box body through the mesh enclosure, the electrostatic electret plate adsorbs the dust on the surface through the electrostatic adsorption of the electrostatic electret plate, the dust can be prevented from being attached to the loudspeaker to influence the sound production effect, when the dust is required to be cleaned, the electrostatic generator is cut off to supplement the charges for the electrostatic electret plate, the dust falls into the dust storage bin through the self gravity, and then the dust storage bin is pulled through the handle, the ash storage bin is pulled out for ash removal through the sliding of the roller at the end part of the supporting shaft in the sliding rail, and meanwhile, the projection on the inner side of the sliding rail can complete daily self-locking of the ash storage bin, so that the ash storage bin is prevented from being easily separated.
Preferably, the data interface is a USB 3.0 universal interface.
Preferably, the storage is a solid state disk, and the capacity of the storage is not less than 32 GB.
Preferably, the mesh number of the mesh cover is not less than 20, and the electrostatic electret plate is fixed on the mesh cover through a screw.
Preferably, the pulse peak voltage of the electrostatic generator ranges from 10kv to 100kv and is adjusted steplessly.
Preferably, the supporting shaft is fixed on the ash storage bin through threads, and the roller is fixed on the supporting shaft through a flat key.
Preferably, the sliding rail is internally coated with calcium-based lubricating grease, the sliding rail is connected with the roller in a sliding mode, and the clearance between the lugs is not smaller than 5 mm.
Has the advantages that: 1. according to the invention, the electrostatic generator is used for supplementing charges to the electrostatic electret plate, and dust entering the sound box is absorbed in an electrostatic dust collection manner, so that a dustproof effect is achieved, and the sound production effect of the sound box is kept;
2. the mode of cutting off the supplementary charges makes the dust on the electrostatic electret plate fall into the dust storage bin, and pulls the dust storage bin through the handle to go out to clean the dust, so that the traditional mode of disassembling and cleaning the dust is replaced, and the frequent disassembly of the loudspeaker box and the damage to the loudspeaker box are avoided.
3. The loudspeaker box can prevent external dust from drifting into the loudspeaker box when the loudspeaker box is in a power-off state and a power-on state, and can prevent the loudspeaker box from vibrating or secondary drifting of collected dust caused by external wind power when the loudspeaker box is in the power-on state.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front external view of the present invention;
FIG. 2 is a front internal view of the present invention;
FIG. 3 is a right internal view of the present invention;
fig. 4 is a block diagram of the control system of the present invention.
The reference numerals are explained below:
1. a sound box body; 101. a support; 102. a speaker; 103. a data interface; 104. an isolation box; 105. a controller; 106. a reservoir; 2. a dust-proof device; 201. a mesh enclosure; 202. an electrostatic charge plate; 203. an electrostatic generator; 3. a dust removal device; 301. an ash storage bin; 302. a handle; 303. a slide rail; 304. a roller; 305. a support shaft; 306. and (4) a bump.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The first embodiment: referring to fig. 1 to 4, the present invention provides a sound box with dust prevention and dust removal functions, including a sound box body 1, a data interface 103 is disposed in the middle of the back of the sound box body 1, a support 101 is disposed inside the sound box body 1, a speaker 102 is disposed outside the middle of the support 101, an isolation box 104 is disposed outside the bottom of the support 101, the isolation box 104 is used for isolating and protecting a controller 105 and a storage 106, a storage 106 is disposed on the bottom inside the isolation box 104, a controller 105 is disposed beside the storage 106, the structure, function and working principle of the controller 105 are well known to those skilled in the art, and are not described herein again, the data interface 103, the speaker 102, the storage 106 and the controller 105 are all electrically connected, a dust prevention device 2 is disposed in front of the sound box body 1, and a dust removal device 3;
the dustproof device 2 comprises a mesh enclosure 201, an electrostatic electret plate 202 is fixedly installed on the inner side of the mesh enclosure 201, an electrostatic generator 203 is arranged on the side surface of the bottom of the electrostatic electret plate 202, and the electrostatic generator 203 is electrically connected with the controller 105;
the ash removing device 3 comprises an ash storage bin 301 and a handle 302, the handle 302 is arranged in front of the ash storage bin 301, a supporting shaft 305 is fixed on the side surface of the ash storage bin 301, a roller 304 is fixed at the end part of the supporting shaft 305, a sliding rail 303 is arranged on the outer side of the roller 304, and a convex block 306 is arranged on the inner side of the sliding rail 303.
Preferably, the data interface 103 is a USB 3.0 universal interface, and this configuration is convenient to improve the universality of the data interface 103.
The storage 106 is a solid state disk, and the capacity of the storage 106 is not less than 32GB, so that the fast transmission and exchange of the audio information are increased.
Mesh number of screen panel 201 is not less than 20, so sets up, is convenient for prevent that medium and large-scale debris from directly entering into the audio amplifier body 1, and static stationary plate 202 passes through the fix with screw on screen panel 201, so sets up, is convenient for prevent that static stationary plate 202 is not hard up and disturbs the normal sound production of speaker 102.
The pulse peak voltage range of the static generator 203 is 10kv to 100kv, and the pulse peak voltage range is stepless regulated, so that the pulse voltage of the static generator 203 can be conveniently adjusted, and the device is suitable for different use environments.
The supporting shaft 305 is fixed on the ash storage bin 301 through threads, and the roller 304 is fixed on the supporting shaft 305 through a flat key, so that the roller 304 is fixed on the supporting shaft 305 and can slide freely.
The calcium-based lubricating grease is coated in the sliding rail 303, the sliding rail 303 is in sliding connection with the roller 304, and the gap between the convex blocks 306 is not smaller than 5 mm.
By adopting the structure, when in use, the audio information to be played is transmitted to the storage 106 through the data interface 103 for storage, when in need of playing, the audio information in the storage 106 is called through the controller 105 and transmitted to the loudspeaker 102 for playing, the sound production of the sound box body 1 is completed, in the daily use process, the electrostatic generator 203 supplements the charges for the electrostatic electret plate 202, when dust enters the sound box body 1 through the mesh enclosure 201, the electrostatic electret plate 202 adsorbs the dust on the surface through the electrostatic adsorption of the electrostatic electret plate 202, the dust is prevented from being attached to the loudspeaker 102 to influence the sound production effect, when in need of dust cleaning, the electrostatic generator 203 is cut off to supplement the charges for the electrostatic electret plate 202, the dust falls into the dust storage bin 301 through the self gravity, then the dust storage bin 301 is pulled through the handle 302, the dust storage bin 301 slides in the sliding rail 303 through the roller 304 at the end of the supporting shaft 305 to clean the dust, meanwhile, the convex block 306 on the inner side of the sliding rail 303 can complete daily self-locking of the ash storage bin 301, so that the ash storage bin is prevented from being easily separated.
In order to prevent the loudspeaker 102 from burning out after long-time operation, the continuous operation time of the loudspeaker 102 is recommended not to exceed 8 h.
Second embodiment: the utility model provides a audio amplifier with dustproof deashing function, includes audio amplifier body 1, its characterized in that: a data interface 103 is arranged in the middle of the back of the sound box body 1, a support 101 is arranged in the sound box body 1, a loudspeaker 102 is arranged on the outer side of the middle of the support 101, an isolation box 104 is arranged on the outer side of the bottom of the support 101, a storage 106 is arranged on the bottom surface in the isolation box 104, a controller 105 is arranged beside the storage 106, the data interface 103, the loudspeaker 102, the storage 106 and the controller 105 are all electrically connected, a dust-proof device 2 is arranged in front of the sound box body 1, and a dust-removing device 3 is arranged at the bottom of the dust-proof device 2;
the dustproof device 2 comprises a mesh enclosure 201 and a filling plate, wherein the filling plate is covered on the outer surface of the mesh enclosure 201 in a sliding mode, the slidable distance between the mesh enclosure 201 and the filling plate is equivalent to the vertical distance between two adjacent sieve holes, the filling plate is provided with sieve holes with the same number and shape as those of the mesh enclosure 201, and micro bulges are further arranged between the sieve holes and are matched with the shapes and the number of the sieve holes;
an electrostatic electret plate 202 is fixedly arranged on the inner side of the mesh enclosure 201, an electrostatic generator 203 is arranged on the side surface of the bottom of the electrostatic electret plate 202, and the electrostatic generator 203 is electrically connected with the controller 105;
the ash removing device 3 comprises an ash storage bin 301, a handle 302 and a cover plate, wherein the handle 302 is arranged in front of the ash storage bin 301, the cover plate is arranged on a communication path between the electrostatic electret plate 202 and a bin opening at the upper part of the ash storage bin 301, a support shaft 305 is fixed on the side surface of the ash storage bin 301, a roller 304 is fixed at the end part of the support shaft 305, a slide rail 303 is arranged on the outer side of the roller 304, and a convex block 306 is arranged on the inner side of the slide rail 303; the supporting shaft 305 is fixed on the ash storage bin 301 through threads, and the roller 304 is fixed on the supporting shaft 305 through a flat key;
a trigger switch is arranged on the sliding path of the filling plate, the bottom of the filling plate is connected to one end of a flexible middle joint, and the other end of the flexible middle joint is connected to the end part of the cover plate; the mesh number of the mesh enclosure 201 is not less than 20, and the electrostatic electret plate 202 is fixed on the mesh enclosure 201 through screws
Compared with the first embodiment, the embodiment has the advantages that the cover plate and the filling plate structure are added, the double dustproof automatic switching under the working and non-working states of the sound box is realized mainly on the basis of realizing the basic dust collection and recovery function, the secondary drifting of collected dust is placed in the electrified working state, and the specific working process is as follows:
when the sound box is in an idle and non-working state, the micro bulges on the filling plate at the outer side are buckled in the sieve holes of the mesh enclosure 201 at the inner side one by one, so that external dust is prevented from floating into the sound box; when needs got into normal operating condition, handheld infill panel and lapse downwards, make the miniature arch on the infill panel roll-off from the sieve mesh of screen panel 201, the sieve mesh on infill panel and the screen panel 201 link up each other this moment, guarantee the normal sound production of audio amplifier, touch trigger switch in the slip process, make the audio amplifier power open, and simultaneously, the lapse of this infill panel promotes flexible intermediate head and removes in to the audio amplifier, thereby flexible intermediate head drives the apron and promotes inwards, the inward movement of this apron, make the apron shutoff block the communicating path between static electret plate 202 and the storehouse mouth on ash storage bin 301, thereby guaranteed when audio amplifier normally circular telegram work, originally collected the dust can not because in the vibration of quick-witted case self or outside wind-force influence secondary drift to the audio amplifier in ash storage bin 301, arouse secondary pollution. When the audio amplifier finishes the operating condition, handheld filling plate and upwards slip, make miniature protruding block once more on the filling plate in the sieve mesh of screen panel 201, the sieve mesh on the screen panel 201 is blockked up by the arch this moment, this slip in-process touching trigger switch, make the audio amplifier power close, simultaneously, the upwards slip of this filling plate promotes flexible intermediate head and moves to quick-witted case outside, thereby flexible intermediate head drives the outside pulling of apron, the outside motion of this apron, make the apron keep away from the static and reside the communicating path between polar plate 202 and the storehouse mouth on the ash storage storehouse 301, thereby guaranteed after the audio amplifier outage, the dust that adsorbs on the static resides polar plate 202 falls in ash storage storehouse 301 through the communicating path under the action of gravity.
Therefore, the design can ensure that when the sound box is electrified and normally works, dust enters from the sieve pores, is adsorbed by the static electret plate 202 and cannot fall to other parts in the sound box, and the dust originally positioned in the dust storage bin 301 cannot float to the inside of the sound box again due to vibration generated when the sound box is powered and put to work; after the audio amplifier outage, the apron cover state on the ash storage bin 301 of automatic switch-over state for the dust normally falls into ash storage bin 301, and the sieve mesh on the screen panel is blockked by the arch, thereby stops external dust to get into, and because the outage, the power amplifier in the audio amplifier is out of work, does not have the vibration source, and the sieve mesh on the screen panel is blockked by the arch, consequently the apron was kept away from ash storage bin 301 upper end this moment, also can not take place the secondary of this ash storage bin 301 interior dust and drift.
The third embodiment: a method for preventing dust and cleaning dust of a sound box is characterized in that a porous mesh enclosure (201) for sound transmission is arranged in front of a power amplifier sound production path of the sound box, dust entering the interior of the sound box through holes is subjected to electrostatic adsorption treatment in the rear of the power amplifier sound production path of the sound box, and falls into a dust storage bin (301) at the bottom of the sound box by virtue of the gravity of the dust after power failure; the synchronous response with the power failure is that a plurality of holes on the mesh enclosure are simultaneously blocked, and the synchronous response with the sound box power supply opening and entering the working state is that the plurality of holes on the mesh enclosure simultaneously eliminate the blockage and keep through; in addition, the synchronous response with the power supply switching is that the dust is selectively blocked by a movable cover plate on the falling path under the action of gravity, the cover plate seals the falling path above the dust storage bin (301) when the power supply is started, and the cover plate releases the falling path space above the dust storage bin (301) when the power supply is disconnected; the power supply switching, the blocking switching of the holes and the blocking state switching of the cover plate are realized through an external mechanical structure which integrally slides up and down, the sliding of the head end of the external mechanical structure drives the external mechanical structure to integrally slide, and the blocking and opening of the holes on the mesh enclosure and the synchronous driving of the cover plate at the tail end of the external mechanical structure to move back and forth in the direction perpendicular to the dust falling path are realized while the sliding in different directions realizes the power supply switching.
Further, the external mechanical structure may be implemented to include a cover plate, a filling plate, and a flexible intermediate joint, the filling plate is slidably covered on the outer surface of the mesh enclosure 201, a slidable distance between the two is equal to a vertical distance between two adjacent holes, the filling plate is provided with holes having the same number and shape as the mesh enclosure 201, micro protrusions are further provided between the holes, the micro protrusions are matched with the holes in shape and number, the ash storage bin 301 is provided at the bottom of the sound box, and the cover plate is provided at the upper part of the ash storage bin 301.
In this embodiment, the external mechanical structure that implements synchronous response of power switching, blocking switching of the plurality of holes, and switching of the blocking state of the cover plate is not limited to the structure formed by the cover plate, the filling plate, and the flexible intermediate joint, as long as it can implement a technical action that the head end of the external mechanical structure slides to drive the external mechanical structure to integrally slide, and the sliding in different directions implements power switching, and simultaneously implements blocking and opening of the plurality of holes on the mesh enclosure and synchronously drives the cover plate at the tail end of the external mechanical structure to move back and forth in the direction perpendicular to the dust falling path.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (3)
1. A method for preventing dust and cleaning ash of a sound box is characterized by comprising the following steps: a porous mesh enclosure (201) for sound transmission is arranged in front of a power amplifier sound production path of the sound box, dust entering the interior of the sound box through the porous mesh enclosure (201) is subjected to electrostatic adsorption treatment in the rear of the power amplifier sound production path of the sound box, and after the power supply of the sound box is cut off, the dust falls into a dust storage bin (301) at the bottom of the sound box by means of self gravity; the sound box power supply synchronous response is that a plurality of holes on the porous mesh enclosure (201) are simultaneously blocked, and the sound box power supply synchronous response is that the plurality of holes on the porous mesh enclosure simultaneously eliminate the blockage and keep through when the sound box power supply is started to enter a working state; in addition, the synchronous response of the power-off and the switching on of the sound box power supply is that the dust is selectively blocked by a movable cover plate on a falling path under the action of gravity, the cover plate seals the falling path above the dust storage bin (301) when the sound box power supply is switched on, and the cover plate releases the falling path above the dust storage bin (301) when the sound box power supply is switched off;
the switching of the on and off of the sound box power supply, the blocking switching of the plurality of holes and the blocking state of the cover plate is realized by an external mechanical structure which integrally slides up and down, the sliding of the head end of the external mechanical structure drives the external mechanical structure to integrally slide, and the sliding in different directions realizes the blocking and opening of the plurality of holes on the porous mesh enclosure and synchronously drives the cover plate at the tail end of the external mechanical structure to move back and forth in the direction vertical to the dust falling path;
the external mechanical structure comprises a cover plate, a filling plate and a flexible middle joint, wherein the filling plate is covered on the outer surface of the porous mesh enclosure (201) in a sliding mode, the sliding distance between the filling plate and the porous mesh enclosure is equivalent to the vertical distance between two adjacent holes, the filling plate is provided with holes with the same number and shape as those of the porous mesh enclosure (201), micro bulges are further arranged between the holes, the micro bulges are matched with the shapes and the numbers of the holes, the ash storage bin (301) is arranged at the bottom of the sound box, and the cover plate is arranged above the ash storage bin (301).
2. The method for preventing dust and removing ash of the sound box according to claim 1, which is characterized in that: the electrostatic generator generates electrostatic adsorption, the pulse peak voltage of the electrostatic generator ranges from 10kv to 100kv, and stepless regulation is realized.
3. The method for preventing dust and removing ash of the sound box according to claim 1, which is characterized in that: the number of the holes of the porous mesh enclosure (201) is not less than 20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810423448.2A CN108495210B (en) | 2018-05-06 | 2018-05-06 | Method for preventing dust and removing ash of sound box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810423448.2A CN108495210B (en) | 2018-05-06 | 2018-05-06 | Method for preventing dust and removing ash of sound box |
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| CN108495210A CN108495210A (en) | 2018-09-04 |
| CN108495210B true CN108495210B (en) | 2020-04-17 |
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| CN201810423448.2A Active CN108495210B (en) | 2018-05-06 | 2018-05-06 | Method for preventing dust and removing ash of sound box |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111420802B (en) * | 2019-01-09 | 2022-03-18 | 宁波方太厨具有限公司 | Air particulate matter filter equipment |
| CN110529928A (en) * | 2019-09-30 | 2019-12-03 | 宁波奥克斯电气股份有限公司 | A kind of air cleaning unit and air conditioner |
| CN111464895B (en) * | 2020-04-01 | 2021-09-28 | 肇庆市森明电声科技有限公司 | Sound box convenient to remove dust |
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| CN206302549U (en) * | 2017-01-10 | 2017-07-04 | 长沙民政职业技术学院 | A kind of computer multifunctional small-size audio amplifier |
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