CN117241202B - Noise-reduction type outdoor portable loudspeaker and use method thereof - Google Patents
Noise-reduction type outdoor portable loudspeaker and use method thereof Download PDFInfo
- Publication number
- CN117241202B CN117241202B CN202311470281.2A CN202311470281A CN117241202B CN 117241202 B CN117241202 B CN 117241202B CN 202311470281 A CN202311470281 A CN 202311470281A CN 117241202 B CN117241202 B CN 117241202B
- Authority
- CN
- China
- Prior art keywords
- shell
- adjusting block
- noise
- loudspeaker
- hole
- 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
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 35
- 210000000707 wrist Anatomy 0.000 claims abstract description 15
- 238000012549 training Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims abstract description 3
- 238000003756 stirring Methods 0.000 claims description 15
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 244000261422 Lysimachia clethroides Species 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention relates to a noise-reducing outdoor portable loudspeaker and a use method thereof, wherein the noise-reducing outdoor portable loudspeaker comprises a loudspeaker and a stretching belt, a sound amplifying assembly comprises a microphone, a noise processing module and a loudspeaker, the microphone is arranged in a wrist strap mode, the noise processing module and the loudspeaker are arranged in a shell, the microphone is in communication connection with the noise processing module, and the noise processing module is electrically connected with the loudspeaker; the noise processing module is internally provided with a noise reduction model, the noise reduction model is obtained by training an initial voice sample and a noise-reduced voice sample and is used for obtaining a noise-reduced voice signal according to an input voice signal; one end of the stretching strap is detachably arranged in the shell, the other end of the stretching strap is hung at one side end of the shell, the stretching strap is integrally bundled in the shell in a normal state, and the other end of the stretching strap is hung at the other side end of the shell. The loudspeaker is not required to be fixedly worn by a user wearing a waistband and the like, the wearing of the loudspeaker is not required by the user, and the loudspeaker has better use effect in noise reduction compared with the traditional loudspeaker.
Description
Technical Field
The invention relates to the field of loudspeakers, in particular to a noise-reduction type outdoor portable loudspeaker and a using method thereof.
Background
Loudspeakers are devices that amplify sound so that the sound propagates farther, and are distinguished in morphology, with common loudspeakers being mainly gooseneck loudspeakers, hand-held loudspeakers, collarband loudspeakers, etc.
The gooseneck loudspeaker and the hand-held loudspeaker in the common loudspeakers are large in size, and the user needs to hold the hand-held loudspeaker and move or handle other matters very inconvenient in use, especially in the outdoor moving process.
The other collar clamp loudspeaker is smaller than the gooseneck loudspeaker and the handheld loudspeaker, and can be clamped in a waistband of a user through the clamp on the collar clamp loudspeaker, but the loudspeaker is often broken in sound and noise in the daily use process, and the use effect is poor.
Disclosure of Invention
Accordingly, there is a need for a noise reduction type outdoor portable loudspeaker and a method for using the same, which can be worn by a user without fixing the loudspeaker such as a waist belt, and which has no requirement for wearing the loudspeaker by the user, and which has a better noise reduction effect than the conventional loudspeaker.
The invention provides a noise reduction type outdoor portable loudspeaker, which comprises:
the sound amplifying assembly comprises a microphone, a noise processing module and a loudspeaker, wherein the microphone is arranged in the form of a wrist strap, the noise processing module and the loudspeaker are installed in a shell, the microphone is in communication connection with the noise processing module, and the noise processing module is electrically connected with the loudspeaker; the noise processing module is internally provided with a noise reduction model, wherein the noise reduction model is obtained by training an initial voice sample and a noise-reduced voice sample and is used for obtaining a noise-reduced voice signal according to an input voice signal;
one end of the stretching strap is detachably arranged in the shell, the other end of the stretching strap is hung at one side end of the shell, the stretching strap is integrally converged in the shell in a normal state, and the other end of the stretching strap is hung at the other side end of the shell.
In one embodiment, the device further comprises two positioning guide rails, an adjusting block and a clamping piece, wherein the two positioning guide rails are oppositely arranged and respectively fixed on the top surface and the bottom surface of the shell, two ends of the adjusting block are respectively clamped in the two positioning guide rails, one end of the stretching strap is detachably mounted on the adjusting block, the adjusting block is located at one end, close to the middle part of the shell, of the positioning guide rail in a normal state, and when the adjusting block moves towards the other end of the positioning guide rail, the end part of the adjusting block is meshed with the positioning guide rail and rotates.
In one embodiment, a first through hole is formed in one side end of the shell, a first positioning rod is arranged in the first through hole, two positioning blocks are fixed at the other side end of the shell, a second positioning rod is connected between the two positioning blocks, the stretching strap comprises a hook, a connecting strap and a clamping joint which are sequentially connected, the clamping joint is detachably arranged on the adjusting block, the hook penetrates through the first through hole on one side of the first positioning rod, and the hook is used for being connected with the second positioning rod or the first positioning rod in a hanging mode.
In one embodiment, the positioning guide rail comprises a guide rail frame, a third positioning rod and a first spring, the end part of the adjusting block is installed in the guide rail frame, the third positioning rod penetrates through the end part of the adjusting block and is fixed in the guide rail frame, the end part of the adjusting block is elastically connected with one end, close to the middle part of the shell, of the guide rail frame through the first spring, the first spring is used for enabling the adjusting block to be located at one end, close to the middle part of the shell, of the guide rail frame in a normal state, a toothed ring is arranged at the end part of the adjusting block, a rack matched with the toothed ring is arranged on one inner side surface of the guide rail frame, and when the adjusting block moves along the axis direction of the third positioning rod, the adjusting block synchronously rotates and tightens or releases the stretching belt.
In one embodiment, the two side ends of the adjusting block are provided with second clamping grooves, one end face of the adjusting block is provided with a second through hole, the other end face of the adjusting block is provided with a fourth clamping groove, the second through hole is communicated with the fourth clamping groove, the clamping connector is installed in the second through hole, the fourth clamping groove is internally provided with a magnetic attraction block in a detachable mode, and the magnetic attraction block is used for adsorbing the clamping connector.
In one embodiment, a third clamping groove is formed in one end face of the adjusting block, a first through hole is formed in the bottom face of the third clamping groove, the first through hole is communicated with the third clamping groove and the second through hole, the loudspeaker further comprises a clamping piece, the clamping piece is installed in the third clamping groove, one end of the clamping piece penetrates through the first through hole to be inserted into the second through hole, when the clamping piece is inserted into the second through hole, the clamping piece is adsorbed by the magnetic attraction piece, the clamping piece is ejected in the direction away from the second through hole and attached to the magnetic attraction piece, and at the moment, the clamping piece resets and is inserted into the first clamping groove formed in the side face of the clamping piece.
In one embodiment, a notch is formed in a side face of the third clamping groove, the notch penetrates through the bottom face of the second clamping groove, the clamping piece comprises an inserting block, a stirring frame and a second spring, the inserting block is inserted into the first through hole, the stirring frame is clamped in the third clamping groove and is connected with the inserting block, the second spring is arranged between the stirring frame and the bottom face of the third clamping groove, the surface of the stirring frame and the bottom face of the second clamping groove are located on the same plane, and the side face of the stirring frame penetrates through and is communicated with the notch.
In one embodiment, the two ends of the adjusting block are coaxially provided with a fourth positioning rod, the fourth positioning rod is rotationally connected with the adjusting block, the fourth positioning rod is provided with second through holes, the third positioning rod penetrates through the second through holes, the fourth positioning rod is movably sleeved with the toothed ring, and the toothed ring is fixedly connected with the adjusting block.
In one embodiment, the width of the second through hole at one end of the end face of the adjusting block is larger than the width of the other end of the end face of the adjusting block, and the width of the bottom end of the fourth clamping groove is larger than the width of the opening.
The invention also provides a using method of the noise-reducing outdoor portable loudspeaker, which is applied to the noise-reducing outdoor portable loudspeaker in any embodiment, and the method comprises the following steps:
the wrist strap type microphone is worn on the wrist, and then the stretching strap is pulled to be hung on one end of the side end of the shell, so that the part of the stretching strap which is bundled in the shell is separated from the shell;
placing the shell at the waist position, then encircling the waist at one end of the stretching strap outside the shell and hanging the stretching strap at the other end of the shell, wherein the part of the stretching strap in the shell is tightly attached to the waist position due to the influence of tension;
the microphone transmits the voice signal to the noise processing module when receiving the voice signal, the noise reduction model in the noise processing module performs noise reduction processing on the voice signal, and then the processed voice signal is sent to the loudspeaker.
Above-mentioned outdoor portable megaphone of making an uproar falls, at first, dress wrist strap's microphone on the wrist, for handheld megaphone, the user can when needs to use the megaphone, can handle anything by oneself under the other states, can not cause the influence to using, because the whole of tensile area is received inside the shell under the normality, and the one end of tensile area articulates at shell one side end, therefore the user can pull the one end that tensile area is located shell one side end, so that tensile area is taken out from the shell, and round the user's waist articulates at shell other side end, no longer exert pulling force to tensile area at this moment, then tensile area can receive the beam to the inside of shell, thereby inseparable laminating is at user's waist, this structure sets up the mode and need not the megaphone of user wearing waistband etc. to use fixedly dress do not have the requirement, then the user can speak to microphone, noise processing module's noise reduction model can make an uproar according to the pretraining situation, and make an uproar, and through the speaker, the result of use is better for traditional megaphone.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a loudspeaker according to the present invention;
fig. 2 is a schematic diagram of an internal structure of a loudspeaker according to the present invention;
fig. 3 is a schematic block diagram of a loudspeaker assembly according to the present invention;
FIG. 4 is a schematic view of a positioning rail according to the present invention;
FIG. 5 is a schematic view of an end of a stretch band according to the present invention;
FIG. 6 is a schematic view of the other end of the stretch band provided by the present invention;
FIG. 7 is a schematic diagram of a structure of an adjusting block according to the present invention;
fig. 8 is a schematic structural diagram of a clip according to the present invention;
fig. 9 is a schematic cross-sectional structure of an adjusting block according to the present invention.
Reference numerals:
110. a bottom case; 111. a first mounting cavity; 112. a second mounting cavity; 113. a first through hole; 114. a first positioning rod; 120. a panel; 200. stretching the belt; 210. a connecting belt; 220. a hook; 230. a clamping joint; 231. a first clamping groove; 240. a positioning block; 250. a second positioning rod; 300. a sound amplifying assembly; 310. a microphone; 320. a noise processing module; 330. a speaker; 400. positioning a guide rail; 410. a guide rail frame; 420. a third positioning rod; 430. a first spring; 500. an adjusting block; 510. a second clamping groove; 520. a second through hole; 530. a third clamping groove; 540. a first through hole; 550. a notch; 560. a fourth clamping groove; 570. a fourth positioning rod; 580. a second through hole; 590. a toothed ring; 600. a clamping piece; 610. inserting blocks; 620. toggling the frame; 630. a second spring; 700. and a magnetic attraction block.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
A noise reduction type outdoor portable loudspeaker and a method of using the same according to the present invention are described below with reference to fig. 1 to 9.
As shown in fig. 1 to 3, in one embodiment, a noise-reducing outdoor portable speaker includes a speaker assembly 300 and a tension band 200, the speaker assembly 300 includes a microphone 310, a noise processing module 320 and a speaker 330, the microphone 310 is provided in the form of a wristband, the noise processing module 320 and the speaker 330 are mounted in a housing, the microphone 310 is communicatively connected with the noise processing module 320, and the noise processing module 320 is electrically connected with the speaker 330; the noise processing module 320 is internally provided with a noise reduction model, and the noise reduction model is obtained by training an initial voice sample and a noise-reduced voice sample and is used for obtaining a noise-reduced voice signal according to an input voice signal; one end of the stretching strap 200 is detachably arranged in the shell, the other end is hung at one side end of the shell, the stretching strap 200 is integrally bundled in the shell in a normal state, and the other end of the stretching strap 200 is hung at the other side end of the shell.
The above-mentioned outdoor portable megaphone of making an uproar falls, at first, wear wrist strap's microphone 310 on the wrist when using, for hand-held megaphone, the user can when need use the megaphone, can handle anything by oneself under other states, can not cause the influence to the use, because the whole bundle of stretching strap 200 is inside the shell under the normality, and the one end of stretching strap 200 is hung in shell one side end, therefore the user can pull the one end that stretching strap 200 is located shell one side end, so that stretching strap 200 takes out from the shell, and around the one round of user's waist and hang in shell opposite side end, no longer exert pulling force to stretching strap 200 at this moment, then stretching strap 200 can receive the bundle to inseparable laminating is in user's waist, this structure sets up the mode and need not the user to wear megaphone etc. with fixed dress such as megaphone, there is not the requirement to user's dressing, then the user can speak to microphone 310, noise reduction model in the noise processing module 320 can make an uproar according to the pretraining condition and emit the pronunciation, and through speaker 330 traditional for better effect with respect to megaphone use.
The casing includes a bottom shell 110 and a panel 120, wherein the bottom shell 110 is provided with a first mounting cavity 111 and a second mounting cavity 112, the first mounting cavity 111 is used for mounting the loudspeaker assembly 300, and the second mounting cavity 112 is used for converging the stretching strap 200.
As shown in fig. 4, in one embodiment, the noise-reducing outdoor portable loudspeaker provided by the invention further comprises two positioning guide rails 400, an adjusting block 500 and a clamping piece 600, wherein the two positioning guide rails 400 are oppositely arranged and respectively fixed on the top surface and the bottom surface of the shell, two ends of the adjusting block 500 are respectively clamped in the two positioning guide rails 400, one end of the stretching strap 200 is detachably arranged on the adjusting block 500, the adjusting block 500 is normally positioned at one end, close to the middle of the shell, of the positioning guide rail 400, and when the adjusting block 500 moves towards the other end of the positioning guide rail 400, the end of the adjusting block 500 is meshed with the positioning guide rail 400 and rotates.
Specifically, the adjusting block 500 is located at one end of the positioning rail 400 near the first installation cavity 111 in a normal state, when the stretching strap 200 needs to be installed, the panel 120 of the housing is opened, then the adjusting block 500 is pushed to move toward the other end of the positioning rail 400, because the end of the adjusting block 500 is meshed with the positioning rail 400, the adjusting block 500 can rotate in the moving process, when the adjusting block 500 moves to the other end of the positioning rail 400, one end of the stretching strap 200 is inserted into one surface of the adjusting block 500, then the clamping piece 600 is installed on the adjacent surface of the adjusting block 500, so that the clamping piece 600 can limit the stretching strap 200 installed in the adjusting block 500, then the force applied to the adjusting block 500 is cancelled, at this time, the adjusting block 500 moves toward the initial position, and also rotates in the moving process, thereby the stretching strap 200 is collected in the second installation cavity 112 of the housing.
As shown in fig. 5, in one embodiment of the noise reduction type outdoor portable loudspeaker provided by the invention, a first through hole 113 is formed at one side end of a housing, a first positioning rod 114 is arranged in the first through hole 113, two positioning blocks 240 are fixed at the other side end of the housing, a second positioning rod 250 is connected between the two positioning blocks 240, a stretching strap 200 comprises a hook 220, a connecting strap 210 and a clamping joint 230 which are sequentially connected, the clamping joint 230 is detachably mounted on an adjusting block 500, the hook 220 passes through the first through hole 113 at one side of the first positioning rod 114, and the hook 220 is used for being hung on the second positioning rod 250 or the first positioning rod 114.
Specifically, the first through hole 113 is inserted with the stretching strap 200, the first positioning rod 114 is located at the first through hole 113, and the distances between the first positioning rod 114 and two sides of the first through hole 113 are different, wherein one side is used for penetrating the connecting strap 210, and the other side is used for providing an accommodating space for the hook 220 when the hook 220 is hung on the first positioning rod 114.
In one embodiment, the noise-reducing outdoor portable loudspeaker provided by the invention comprises a guide rail frame 410, a third positioning rod 420 and a first spring 430, wherein the end part of the adjusting block 500 is installed in the guide rail frame 410, the third positioning rod 420 penetrates through the end part of the adjusting block 500 and is fixed in the guide rail frame 410, the end part of the adjusting block 500 is elastically connected with one end, close to the middle of the shell, of the guide rail frame 410 through the first spring 430, the first spring 430 is used for enabling the adjusting block 500 to be positioned at one end, close to the middle of the shell, of the guide rail frame 410 in a normal state, the end part of the adjusting block 500 is provided with a toothed ring 590, one inner side surface of the guide rail frame 410 is provided with a rack matched with the toothed ring 590, and when the adjusting block 500 moves along the axial direction of the third positioning rod 420, the adjusting block 500 synchronously rotates and bundles or releases the stretching strap 200.
As shown in fig. 7, in one embodiment, the noise-reducing outdoor portable loudspeaker provided by the invention has the advantages that the two side ends of the adjusting block 500 are provided with the second clamping grooves 510, one end surface of the adjusting block 500 is provided with the second through hole 520, the other end surface of the adjusting block 500 is provided with the fourth clamping groove 560, the second through hole 520 is communicated with the fourth clamping groove 560, the clamping joint 230 is arranged in the second through hole 520, the magnetic attraction block 700 is detachably arranged in the fourth clamping groove 560, and the magnetic attraction block 700 is used for adsorbing the clamping joint 230.
Specifically, since the stretching strap 200 needs to be inserted into the second through hole 520 from the first through hole 113 during installation, and since the stretching strap 200 needs to be wound and bundled in the second installation cavity 112, the length of the clamping connector 230 of the stretching strap 200 should not be too long, the structure is set so that a user cannot install the clamping connector 230 in place from the outside of the casing, and therefore the magnetic attraction block 700 is arranged at the other end of the second through hole 520 for adsorbing the clamping connector 230, so that the stretching strap 200 can be helped to be installed in place.
As shown in fig. 6, in one embodiment of the noise-reducing outdoor portable loudspeaker provided by the invention, a third clamping groove 530 is formed on one end surface of the adjusting block 500, a first through hole 540 is formed on the bottom surface of the third clamping groove 530, the first through hole 540 is communicated with the third clamping groove 530 and the second through hole 520, the loudspeaker further comprises a clamping piece 600, the clamping piece 600 is installed in the third clamping groove 530, one end of the clamping piece 600 penetrates through the first through hole 540 and is inserted into the second through hole 520, when the clamping piece 230 is inserted into the second through hole 520, the magnetically attracted piece is attracted, the clamping piece 600 is ejected out in a direction away from the second through hole 520 by the clamping piece 230 and is attached to the magnetically attracted piece, and at the moment, the clamping piece 600 is reset and is inserted into the first clamping groove 231 formed on the side surface of the clamping piece 230.
As shown in fig. 8, in an embodiment of the noise reduction type outdoor portable loudspeaker provided by the invention, a notch 550 is formed on a side surface of a third clamping groove 530, the notch 550 penetrates through a bottom surface of a second clamping groove 510, a clamping piece 600 comprises an inserting block 610, a stirring frame 620 and a second spring 630, the inserting block 610 is inserted into a first through hole 540, the stirring frame 620 is clamped in the third clamping groove 530 and is connected with the inserting block 610, the second spring 630 is arranged between the stirring frame 620 and the bottom surface of the third clamping groove 530, the surface of the stirring frame 620 and the bottom surface of the second clamping groove 510 are located on the same plane, and the side surface of the stirring frame 620 penetrates through and is communicated with the notch 550.
Specifically, after the insert block 610 is inserted into the first clamping groove 231, the stretching strap 200 cannot be directly taken out under the influence of the limiting structure, and in order to wind and retract the stretching strap 200 on the adjusting block 500, the surface of the toggle frame 620 and the bottom surface of the second clamping groove 510 are located on the same plane in the normal state, so that a user cannot directly toggle the toggle frame 620. Since the toggle frame 620 is hollow, in this embodiment, the notch 550 is formed on the side surface of the third slot 530, so that the user can toggle the hollow position of the toggle frame 620 through the notch 550 to disengage the insert block 610 from the first slot 231.
In one embodiment, the noise-reducing outdoor portable loudspeaker provided by the invention is characterized in that the two ends of the adjusting block 500 are coaxially provided with the fourth positioning rods 570, the fourth positioning rods 570 are rotatably connected with the adjusting block 500, the fourth positioning rods 570 are provided with the second through holes 580, the third positioning rods 420 penetrate through the second through holes 580, the fourth positioning rods 570 are movably sleeved with toothed rings 590, and the toothed rings 590 are fixedly connected with the adjusting block 500.
Specifically, the fourth positioning rod 570 is configured to slide along the third positioning rod 420, and the toothed ring 590 connected to the end of the adjusting block 500 is engaged with the rack on one side of the inner surface of the rail frame 410 during the sliding process, so as to rotate.
As shown in fig. 9, in one embodiment, the noise reduction type outdoor portable loudspeaker provided by the invention has a width of the second through hole 520 at one end of the end face of the adjusting block 500 greater than that of the other end, and a width of the bottom end of the fourth clamping groove 560 greater than that of the opening.
Specifically, since the first through hole 113 has a limited width and is divided into two parts by the first positioning rod 114, the second through hole 520 is opened toward one end of the first through hole 113 to be larger than the other end, thereby facilitating the fitting of the card connector 230 into the second through hole 520. In order to ensure the stability of the magnetic block 700, the width of the bottom end of the fourth clamping groove 560 is larger than the width of the opening, and in order to disassemble and assemble the magnetic block 700, the opening of the fourth clamping groove 560 is made of elastic rubber, so that the magnetic block 700 is clamped into or separated from the fourth clamping groove 560 when being deformed when receiving enough force.
In one embodiment, the invention provides a method for using a noise reduction type outdoor portable loudspeaker, which comprises the following steps:
the wrist microphone is worn on the wrist, and then the stretching strap is pulled to be hung on one end of the side end of the shell, so that the part of the stretching strap which is bundled in the shell is separated from the shell.
The shell is placed at the waist position, then one end of the stretching strap outside the shell surrounds the waist and is hung at the other side end of the shell, and at the moment, the part of the stretching strap inside the shell is contracted under the influence of tension, so that the stretching strap is tightly attached to the waist position.
The microphone transmits the voice signal to the noise processing module when receiving the voice signal, the noise reduction model in the noise processing module performs noise reduction processing on the voice signal, and then the processed voice signal is sent to the loudspeaker.
Specifically, the signal transmission among the microphone, the noise processing module and the speaker includes conversion between a digital signal and an electrical signal, which is a conventional technology, and this embodiment is not specifically described.
According to the noise-reduction type outdoor portable loudspeaker, when the outdoor portable loudspeaker is used, the wrist-strap microphone is worn on the wrist, the wrist-strap microphone is firstly worn on the wrist, the wrist-strap microphone is lifted up when the loudspeaker is needed to be used for a user, any things can be handled by the user in other states, the effect on the use cannot be caused, the whole stretching strap is converged inside the shell under the normal state, one end of the stretching strap is hung on one side end of the shell, the user can pull the stretching strap to be pulled out from the shell and is hung on the other side end of the shell around the waist of the user, at the moment, the stretching strap can be converged inside the shell, the waist of the user is tightly attached, the structure is arranged in a mode that the loudspeaker such as a waistband is not needed to be worn by the user, the wearing of the loudspeaker is not required, the user can speak to the microphone, the noise-reduction model in the noise processing module can be used for noise reduction processing according to the pretraining condition, the noise reduction effect is played through the loudspeaker, and the effect is better than the traditional loudspeaker.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (4)
1. A noise reduction type outdoor portable loudspeaker, comprising:
the sound amplifying assembly comprises a microphone, a noise processing module and a loudspeaker, wherein the microphone is arranged in the form of a wrist strap, the noise processing module and the loudspeaker are installed in a shell, the microphone is in communication connection with the noise processing module, and the noise processing module is electrically connected with the loudspeaker; the noise processing module is internally provided with a noise reduction model, wherein the noise reduction model is obtained by training an initial voice sample and a noise-reduced voice sample and is used for obtaining a noise-reduced voice signal according to an input voice signal;
one end of the stretching belt is detachably arranged in the shell, the other end of the stretching belt is hung at one side end of the shell, the stretching belt is integrally converged in the shell in a normal state, and the other end of the stretching belt is hung at the other side end of the shell;
the loudspeaker further comprises an adjusting block, a positioning guide rail and a clamping piece, wherein second clamping grooves are formed in two side ends of the adjusting block, a second through hole is formed in one end face of the adjusting block, a fourth clamping groove is formed in the other end face of the adjusting block, the second through hole is communicated with the fourth clamping groove, and a magnetic attraction block is detachably arranged in the fourth clamping groove;
the positioning guide rail comprises a guide rail frame, a third positioning rod and a first spring, wherein the end part of the adjusting block is arranged in the guide rail frame, the third positioning rod penetrates through the end part of the adjusting block and is fixed in the guide rail frame, the end part of the adjusting block is elastically connected with one end, close to the middle part of the shell, of the guide rail frame through the first spring, the first spring is used for enabling the adjusting block to be positioned at one end, close to the middle part of the shell, of the guide rail frame in a normal state, and the end part of the adjusting block is provided with a toothed ring;
a first through hole is formed in one side end of the shell, a first positioning rod is arranged in the first through hole, two positioning blocks are fixed at the other side end of the shell, and a second positioning rod is connected between the two positioning blocks; the stretching strap comprises a hook, a connecting strap and a clamping connector which are sequentially connected, the clamping connector is detachably arranged on the adjusting block, the hook penetrates through a first through hole on one side of the first positioning rod, and the hook is used for being hung on the second positioning rod or the first positioning rod;
the clamping connector is arranged in the second through hole, and the magnetic attraction block is used for adsorbing the clamping connector; when the clamping connector ejects the clamping connector to the direction away from the second through hole and is attached to the magnetic block, the clamping connector resets and is inserted into a first clamping groove formed in the side face of the clamping connector; a third clamping groove is formed in one end face of the adjusting block, a first through hole is formed in the bottom face of the third clamping groove, the first through hole is communicated with the third clamping groove and the second through hole, the clamping piece is installed in the third clamping groove, one end of the clamping piece penetrates through the first through hole to be inserted into the second through hole, when the clamping piece is inserted into the second through hole, the clamping piece is adsorbed by the magnetic attraction block, and the clamping piece is ejected out in the direction away from the second through hole and is attached to the magnetic attraction block;
the side face of the third clamping groove is provided with a notch, the notch penetrates through the bottom face of the second clamping groove, the clamping piece comprises an inserting block, a stirring frame and a second spring, the inserting block is inserted into the first through hole, the stirring frame is clamped in the third clamping groove and connected with the inserting block, the second spring is arranged between the stirring frame and the bottom face of the third clamping groove, the surface of the stirring frame and the bottom face of the second clamping groove are located on the same plane, and the side face of the stirring frame penetrates through and is communicated with the notch;
the two ends of the adjusting block are coaxially provided with a fourth positioning rod, the fourth positioning rod is rotationally connected with the adjusting block, the fourth positioning rods are provided with second through holes, the third positioning rods penetrate through the second through holes, the fourth positioning rods are movably sleeved with toothed rings, and the toothed rings are fixedly connected with the adjusting block;
the width that the second through hole is located adjusting block terminal surface one end is greater than the other end width, the bottom width of fourth draw-in groove is greater than the opening width.
2. The noise reduction type outdoor portable loudspeaker according to claim 1, further comprising two positioning guide rails, wherein the two positioning guide rails are oppositely arranged and fixed on the top surface and the bottom surface of the housing respectively, two ends of the adjusting block are respectively clamped in the two positioning guide rails, one end of the stretching strap is detachably mounted on the adjusting block, the adjusting block is located at one end, close to the middle of the housing, of the positioning guide rail in a normal state, and when the adjusting block moves towards the other end of the positioning guide rail, the end of the adjusting block is meshed with the positioning guide rail and rotates.
3. The noise reduction type outdoor portable speaker of claim 2, wherein an inner side surface of the rail frame is provided with a rack matching with a toothed ring, and the adjusting block rotates synchronously and tightens or pays out the tension band when the adjusting block moves in an axial direction of the third positioning rod.
4. A method of using a noise-reducing outdoor portable loudspeaker as defined in any one of claims 1 to 3, the method comprising:
the wrist strap type microphone is worn on the wrist, and then the stretching strap is pulled to be hung on one end of the side end of the shell, so that the part of the stretching strap which is bundled in the shell is separated from the shell;
placing the shell at the waist position, then encircling the waist at one end of the stretching strap outside the shell and hanging the stretching strap at the other end of the shell, wherein the part of the stretching strap in the shell is tightly attached to the waist position due to the influence of tension;
the microphone transmits the voice signal to the noise processing module when receiving the voice signal, the noise reduction model in the noise processing module performs noise reduction processing on the voice signal, and then the processed voice signal is sent to the loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311470281.2A CN117241202B (en) | 2023-11-07 | 2023-11-07 | Noise-reduction type outdoor portable loudspeaker and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311470281.2A CN117241202B (en) | 2023-11-07 | 2023-11-07 | Noise-reduction type outdoor portable loudspeaker and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117241202A CN117241202A (en) | 2023-12-15 |
| CN117241202B true CN117241202B (en) | 2024-03-01 |
Family
ID=89091521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311470281.2A Active CN117241202B (en) | 2023-11-07 | 2023-11-07 | Noise-reduction type outdoor portable loudspeaker and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117241202B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4146757A (en) * | 1977-11-25 | 1979-03-27 | Jerry Murad | Finger ring microphone |
| KR20020009194A (en) * | 2000-07-25 | 2002-02-01 | 이영민 | Handsfree type Megaphone |
| CN207869390U (en) * | 2018-03-05 | 2018-09-14 | 安徽机电职业技术学院 | A kind of tour guide's Portable loudspeaker |
| CN211792039U (en) * | 2020-05-08 | 2020-10-27 | 宿州学院 | Portable megaphone is used in english teaching |
| CN112349291A (en) * | 2020-09-29 | 2021-02-09 | 成都千立网络科技有限公司 | Sound amplification system and method based on AI noise reduction model |
| CN213547774U (en) * | 2020-12-21 | 2021-06-25 | 孙萃 | Classroom is with multi-functional public address loudspeaker |
| CN214671157U (en) * | 2020-12-31 | 2021-11-09 | 河北建材职业技术学院 | Be used for economics lecture with portable megaphone |
| CN216293226U (en) * | 2021-08-20 | 2022-04-15 | 天津讯飞极智科技有限公司 | Recording bracelet |
| CN216873395U (en) * | 2022-01-21 | 2022-07-01 | 厦门立达信照明有限公司 | Sound amplifying system |
| CN218888711U (en) * | 2022-11-04 | 2023-04-18 | 郑州城轨交通中等专业学校 | Megaphone convenient to bind |
-
2023
- 2023-11-07 CN CN202311470281.2A patent/CN117241202B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4146757A (en) * | 1977-11-25 | 1979-03-27 | Jerry Murad | Finger ring microphone |
| KR20020009194A (en) * | 2000-07-25 | 2002-02-01 | 이영민 | Handsfree type Megaphone |
| CN207869390U (en) * | 2018-03-05 | 2018-09-14 | 安徽机电职业技术学院 | A kind of tour guide's Portable loudspeaker |
| CN211792039U (en) * | 2020-05-08 | 2020-10-27 | 宿州学院 | Portable megaphone is used in english teaching |
| CN112349291A (en) * | 2020-09-29 | 2021-02-09 | 成都千立网络科技有限公司 | Sound amplification system and method based on AI noise reduction model |
| CN213547774U (en) * | 2020-12-21 | 2021-06-25 | 孙萃 | Classroom is with multi-functional public address loudspeaker |
| CN214671157U (en) * | 2020-12-31 | 2021-11-09 | 河北建材职业技术学院 | Be used for economics lecture with portable megaphone |
| CN216293226U (en) * | 2021-08-20 | 2022-04-15 | 天津讯飞极智科技有限公司 | Recording bracelet |
| CN216873395U (en) * | 2022-01-21 | 2022-07-01 | 厦门立达信照明有限公司 | Sound amplifying system |
| CN218888711U (en) * | 2022-11-04 | 2023-04-18 | 郑州城轨交通中等专业学校 | Megaphone convenient to bind |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117241202A (en) | 2023-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9706975B2 (en) | Acoustic collection system for handheld electronic devices | |
| US11606635B2 (en) | Noise reduction air tube microphone, noise-reduction safe headset and noise-reduction safe Bluetooth headset | |
| CN104602155B (en) | Wireless noise reducing earphone based on intelligent mobile terminal | |
| US20110319024A1 (en) | Bracelet for communicating with a mobile device | |
| SE0500397L (en) | sound Monitor | |
| CN208572340U (en) | A kind of cavity body structure component, microphone assembly and electronic equipment | |
| HK1052431A1 (en) | Acoustic transmission connection, headset with acoustic transmiision connection, and uses of the acoustic transmiision connection | |
| EP2611211A3 (en) | Headphone cable arrangement, filter assembly, and method of filtering signals in headphone cable arrangements | |
| US20040096079A1 (en) | Fastening device for earphone | |
| CN117241202B (en) | Noise-reduction type outdoor portable loudspeaker and use method thereof | |
| CN110557696A (en) | Be used for interactive earphone of neck wearing pronunciation | |
| CN207304823U (en) | Split-connection type zipper earphone with telescopic function | |
| CN104811890B (en) | Earphone wire fixed jig | |
| CN206403792U (en) | A kind of electronic auscultation device of noise reduction | |
| CN102209135A (en) | Device and method for reducing wind noise of mobile terminal | |
| CN108064008A (en) | A kind of New-type loudspeaker system | |
| CN200959597Y (en) | Wireless PTT device | |
| CN208299969U (en) | A kind of active noise reduction earphone of sound guide tube and its composition | |
| CN209234054U (en) | Loadspeaker structure, ribbon speaker and stereo set | |
| CN108293156A (en) | Earrings type microphone | |
| CN209170619U (en) | A kind of Plastic Banded, Armour Piercing, Discarding Sabot shell for wireless osteoacusis mobile device | |
| CN208353537U (en) | It is a kind of convenient for fixed earphone | |
| CN220988806U8 (en) | Auscultation microphone connector | |
| WO2020006735A1 (en) | Cavity structure assembly, microphone assembly and electronic equipment | |
| CN218783878U (en) | Microphone of making an uproar falls |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |