CN117156368A - Outdoor loudspeaker capable of self-adjusting volume and control method thereof - Google Patents
Outdoor loudspeaker capable of self-adjusting volume and control method thereof Download PDFInfo
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- CN117156368A CN117156368A CN202311415170.1A CN202311415170A CN117156368A CN 117156368 A CN117156368 A CN 117156368A CN 202311415170 A CN202311415170 A CN 202311415170A CN 117156368 A CN117156368 A CN 117156368A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 81
- 230000004224 protection Effects 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000009979 protective mechanism Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- H04R27/00—Public address systems
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Abstract
The utility model relates to the technical field of loudspeakers, in particular to an outdoor loudspeaker capable of automatically adjusting volume and a control method thereof. The device comprises a protection mechanism, wherein the top of the protection mechanism is movably penetrated with a sound amplifying mechanism; the top of the sound amplifying mechanism is movably penetrated with a volume adjusting mechanism; the volume adjusting mechanism comprises a lifting column; the lifting column movably penetrates through the second mounting groove; a third mounting groove is formed in the outer wall of the lifting column; and a plurality of groups of infrared human body detectors are distributed on the inner wall of one side of the third mounting groove, which is close to the lifting column, in an annular array. According to the utility model, the lifting column is moved to the outside of the sound amplifying mechanism, then the number, the distance and the direction of people around the outdoor sound amplifier are sensed through the plurality of groups of infrared human body detectors in the third mounting groove, and the plurality of groups of loudspeakers are independently controlled to adjust the sound volume, so that the need of frequent manual sound volume adjustment of a user is avoided, and the convenience of using the outdoor sound amplifier is improved.
Description
Technical Field
The utility model belongs to the technical field of loudspeakers, and particularly relates to an outdoor loudspeaker capable of self-adjusting volume and a control method thereof.
Background
A loudspeaker is a device that amplifies sound and is often used during some outdoor activities.
Through searching, in the prior art, chinese patent bulletin number: CN214101787U, bulletin day: 2021-08-31 discloses an outdoor portable megaphone, including megaphone main part, telescopic link and gyro wheel, the gyro wheel is connected in megaphone main part diapire, megaphone main part lateral wall sliding connection has the sliding closure, megaphone main part inside is provided with sliding component, rotating component and controller, the controller cooperatees with the megaphone main part, sliding component includes first smooth chamber, second smooth chamber and box, box sliding connection is in second smooth chamber inner wall, the controller is connected in the box top, controller sliding connection is in second smooth chamber inner wall, rotating component includes first gear, second gear, first gear rotation is connected in first smooth chamber inner wall, second gear fixed connection is in first gear outer wall. The utility model has simple operation, can effectively protect the easily damaged controller, can assist in stabilizing the operation process, can solve the problem of accommodating the matched device of the loudspeaker, and is convenient to carry.
But this loudspeaker still has the following drawbacks:
in the outdoor use process of the loudspeaker, the number of people around and the distance can often change, the volume of the loudspeaker is too small, the surrounding people cannot hear clearly, the close-range people can generate discomfort due to the too large volume, and therefore the volume is required to be adjusted manually frequently by a user, and the use convenience of the loudspeaker is reduced.
Disclosure of Invention
In order to solve the problems, the utility model provides an outdoor loudspeaker capable of automatically adjusting volume, which comprises a protection mechanism, wherein the top of the protection mechanism movably penetrates through the sound amplifying mechanism; the top of the sound amplifying mechanism is movably penetrated with a volume adjusting mechanism;
the volume adjusting mechanism comprises a lifting column; the lifting column movably penetrates through the second mounting groove; a lifting handle is arranged at the top of the lifting column; a third mounting groove is formed in the outer wall of the lifting column; and a plurality of groups of infrared human body detectors are distributed on the inner wall of one side of the third mounting groove, which is close to the lifting column, in an annular array.
Further, the protection mechanism comprises a first shell, and a first storage groove is formed in the edge of one side of the top of the first shell; an armrest is movably penetrated in the first storage groove; a group of connecting columns are respectively arranged at the edges of the two sides of the bottom of the handrail; each group of connecting columns movably penetrate through the inner wall of the bottom of the first storage groove; a first mounting groove is formed in the top of the first shell; the sound amplifying mechanism is movably penetrated in the first mounting groove; a plurality of groups of first through grooves are distributed on the outer wall of the first shell in an annular array.
Further, a second storage groove is formed in the bottom of the first shell; a supporting plate is connected in the second storage groove in a sliding manner along the vertical direction; a plurality of groups of universal wheels are arranged at the bottom edge of the supporting plate; a first electric push rod is arranged in the center of the inner wall of the top of the second storage groove; the output end of the first electric push rod is in transmission connection with the supporting plate.
Further, a movable groove is formed in the inner wall of the first mounting groove; a sealing plate is movably sleeved on the inner wall of the movable groove; a plurality of groups of second through grooves with the same number as the first through grooves are distributed on the inner wall of the sealing plate in an annular array; each group of the second through grooves are movably communicated with a corresponding group of the first through grooves; a plurality of groups of second electric push rods are distributed on the inner wall of the bottom of the movable groove in an annular array manner; and the output end of each group of second electric push rods is in transmission connection with the sealing plate.
Further, two groups of third electric push rods are symmetrically arranged on the inner wall of the top of the first mounting groove; the output end of each group of the third electric push rod movably penetrates through the sound amplifying mechanism; a guide post is arranged at the bottom center of the first mounting groove; the guide post movably penetrates through the sound amplifying mechanism; two groups of first sliding blocks are symmetrically arranged on two side walls of the top of the guide column.
Further, the sound amplifying mechanism comprises a second shell; a top cover is arranged at the top of the second shell; a second mounting groove is formed in the top of the top cover; the volume adjusting mechanism is movably penetrated in the second mounting groove; a limiting groove is formed in the inner wall of the second mounting groove; a limiting block is arranged on the outer wall of the lifting column; the limiting block is slidably connected in the limiting groove.
Further, a mounting cavity is formed in the second shell; a plurality of groups of sound transmission holes are distributed on the inner wall of the mounting cavity in an annular array; two groups of fixing grooves are symmetrically formed in the outer wall of the second shell; the output end of each group of the third electric push rod movably penetrates through a corresponding group of the fixed grooves; a mounting column is arranged at the bottom center of the mounting cavity; a guide groove is formed in the bottom of the mounting column; the guide post movably penetrates through the guide groove; two groups of first sliding grooves are symmetrically formed in the inner walls of the two sides of the guide groove; each group of first sliding blocks are slidably connected in a corresponding group of first sliding grooves; a plurality of groups of fixing components are distributed on the outer wall of the mounting column in an annular array; and each group of fixed components is provided with a group of speakers.
Further, the securing assembly includes a third housing; a second sliding groove is formed in one side wall, far away from the mounting column, of the third shell; two groups of fixing plates are connected in the second chute in a sliding manner; the two groups of fixed plates are movably abutted against the outer wall of the loudspeaker; an adjusting cavity is arranged in the third shell; two groups of screw rods are arranged in the adjusting cavity along the sliding direction of the fixed plate; one ends of the two groups of screw rods are fixedly connected, and the other ends of the screw rods are respectively and rotatably connected to the inner walls of the two sides of the adjusting cavity; the thread directions of the two groups of screw rods are opposite, and the central axes of the screw rods are on the same straight line.
Further, two groups of second sliding blocks are connected to the inner wall of one side of the adjusting cavity in a sliding manner; the two groups of second sliding blocks are respectively in threaded connection with one group of screw rods; the two groups of second sliding blocks are respectively in transmission connection with one group of fixed plates; a motor is arranged on one side wall of the third shell; the output end of the motor is in transmission connection with one group of screw rods.
A control method of an outdoor loudspeaker for self-adjusting volume, the control method comprising:
lifting and fixing the sound amplifying mechanism upwards;
moving and fixing the volume adjusting mechanism upwards;
speaking using an external microphone;
a plurality of groups of infrared human body detectors detect the number, distance and direction of people around in real time;
controlling a plurality of groups of loudspeakers in real time to independently adjust the volume;
and finishing the sound amplifying work.
The beneficial effects of the utility model are as follows:
1. through remove the outside to public address mechanism with the lift post, then respond to outdoor megaphone personnel quantity, distance and direction all around through a plurality of groups of infrared human body detectors in the third mounting groove to a plurality of groups of speakers of independent control carry out volume adjustment, have avoided the frequent manual adjustment volume of needs user, have improved outdoor megaphone's convenience of use.
2. Through shifting public address mechanism to inside work of protection machanism, sound accessible a plurality of first logical grooves of group and second logical groove spread, and when outdoor megaphone is idle, a plurality of groups of second electric putter of steerable drive closing plate decline for a plurality of first logical grooves of group and second logical groove release the intercommunication relation, thereby make protection machanism seal, not only improved outdoor megaphone's protective properties, still improved outdoor megaphone's waterproof, dustproof performance.
3. The supporting plate is driven to descend by controlling the first electric push rod, so that the plurality of groups of universal wheels are abutted against on the ground and lift the outdoor loudspeaker, then the handrail is pulled out of the first storage groove, and the outdoor loudspeaker is driven to move by pulling the handrail, so that manual carrying work is avoided, and the moving convenience of the outdoor loudspeaker is improved.
4. Through opening the top cap, then control corresponding motor and drive two sets of lead screws and rotate, under the threaded connection relation of two sets of lead screws and two sets of second sliders for two sets of second sliders drive two sets of fixed plates and remove the fixing to the speaker to opposite one side, thereby can take out the speaker and maintain or change, easy operation is convenient, has improved the maintenance or the efficiency of changing of outdoor megaphone.
5. Through remove the outside to public address mechanism with the lift post, then respond to outdoor megaphone personnel quantity, distance and direction all around through a plurality of groups of infrared human body detector in the third mounting groove to a plurality of groups of speakers of individual control carry out volume adjustment, make outdoor megaphone can be little according to the volume of the real-time adjustment different directions of crowd distribution around, improved outdoor megaphone's result of use.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present utility model 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 present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic structural diagram of a loudspeaker according to an embodiment of the utility model;
fig. 2 shows a schematic diagram of the structure of a loudspeaker according to an embodiment of the utility model in use;
fig. 3 shows a schematic diagram of a loudspeaker according to an embodiment of the utility model when it is moving;
fig. 4 shows a schematic structural view of a protection mechanism according to an embodiment of the present utility model;
figure 5 illustrates a schematic cross-sectional view of a protective mechanism according to an embodiment of the present utility model;
fig. 6 shows an exploded schematic view of a sound amplifying mechanism and a volume adjusting mechanism according to an embodiment of the present utility model;
fig. 7 shows a schematic cross-sectional view of a sound amplifying mechanism according to an embodiment of the utility model;
fig. 8 shows a schematic structural view of a volume adjustment mechanism according to an embodiment of the present utility model;
FIG. 9 shows a schematic structural view of a securing assembly according to an embodiment of the present utility model;
fig. 10 shows a schematic cross-sectional view of a securing assembly according to an embodiment of the utility model.
In the figure: 1. a protective mechanism; 2. a sound amplifying mechanism; 3. a volume adjusting mechanism; 101. a first housing; 102. a first storage groove; 103. an armrest; 104. a connecting column; 105. a first mounting groove; 106. a first through groove; 107. a second storage groove; 108. a support plate; 109. a universal wheel; 110. a first electric push rod; 111. a movable groove; 112. a sealing plate; 113. a second through slot; 114. a second electric push rod; 115. a third electric push rod; 116. a guide post; 117. a first slider; 201. a second housing; 202. a top cover; 203. a second mounting groove; 204. a limit groove; 205. a mounting cavity; 206. a sound transmission hole; 207. a fixing groove; 208. a mounting column; 209. a guide groove; 210. a first chute; 211. a fixing assembly; 212. a speaker; 301. lifting columns; 302. a handle; 303. a third mounting groove; 304. an infrared human detector; 305. a limiting block; 2111. a third housing; 2112. a second chute; 2113. a fixing plate; 2114. a motor; 2115. a regulating chamber; 2116. a screw rod; 2117. a sliding block.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. 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.
The embodiment of the utility model provides an outdoor loudspeaker capable of automatically adjusting volume, which comprises a protection mechanism 1. As shown in fig. 1 and 2, the top of the protection mechanism 1 is movably penetrated with a sound amplifying mechanism 2; the top of the sound amplifying mechanism 2 is movably penetrated with a volume adjusting mechanism 3.
In the use of outdoor megaphone, protection mechanism 1 is used for protecting the megaphone, and megaphone mechanism 2 is used for expanding user's volume, and volume adjustment mechanism 3 can carry out the automatic regulation of volume according to the number of people and the distance around.
As shown in fig. 3, 4 and 5, the protection mechanism 1 includes a first housing 101, and a first receiving slot 102 is formed at an edge of a top side of the first housing 101; an armrest 103 is movably penetrated in the first accommodating groove 102; a group of connecting posts 104 are respectively arranged at the two side edges of the bottom of the armrest 103; each group of connecting posts 104 movably penetrates through the bottom inner wall of the first accommodating groove 102; a first mounting groove 105 is formed in the top of the first shell 101; the sound amplifying mechanism 2 movably penetrates through the first mounting groove 105; a plurality of groups of first through grooves 106 are distributed on the outer wall of the first shell 101 in an annular array. A second accommodating groove 107 is formed in the bottom of the first casing 101; a support plate 108 is slidably connected in the second receiving groove 107 along the vertical direction; a plurality of groups of universal wheels 109 are arranged at the bottom edge of the supporting plate 108; a first electric push rod 110 is arranged in the center of the top inner wall of the second accommodating groove 107; the output end of the first electric push rod 110 is in transmission connection with the support plate 108. A movable groove 111 is formed on the inner wall of the first mounting groove 105; a sealing plate 112 is movably sleeved on the inner wall of the movable groove 111; a plurality of groups of second through grooves 113 with the same number as the first through grooves 106 are distributed on the inner wall of the sealing plate 112 in an annular array; each group of the second through slots 113 is movably communicated with a corresponding group of the first through slots 106; a plurality of groups of second electric push rods 114 are distributed on the inner wall of the bottom of the movable groove 111 in an annular array manner; the output end of each group of second electric push rods 114 is in transmission connection with the sealing plate 112. Two groups of third electric push rods 115 are symmetrically arranged on the top inner wall of the first mounting groove 105; the output end of each group of the third electric push rods 115 is movably penetrated in the sound amplifying mechanism 2. A guide post 116 is arranged at the bottom center of the first mounting groove 105; the guide post 116 movably penetrates through the sound amplifying mechanism 2; two groups of first sliding blocks 117 are symmetrically arranged on two side walls of the top of the guide post 116.
When the outdoor loudspeaker is required to be moved, the first electric push rod 110 is controlled to drive the supporting plate 108 to descend, so that the plurality of groups of universal wheels 109 are abutted against the ground and lift the outdoor loudspeaker, then the handrail 103 is pulled out of the first storage groove 102, and the outdoor loudspeaker is driven to move by pulling the handrail 103, so that the moving convenience of the outdoor loudspeaker is improved. When outdoor megaphone is used, can mention megaphone mechanism 2 through volume adjustment mechanism 3 and make megaphone mechanism 2 expose in the outside of protection machanism 1, then carry out public address work, when outdoor environment is abominable, like weather such as rain, snow, can make megaphone mechanism 2 work in the inside of protection machanism 1, sound accessible a plurality of first logical groove 106 of group and second logical groove 113 spread, and when outdoor megaphone is idle, steerable a plurality of second electric putter 114 drive closing plate 112 decline for a plurality of first logical groove 106 of group and second logical groove 113 release the intercommunication relation, thereby make protection machanism 1 seal, not only improved the barrier propterty of outdoor megaphone, still improved the waterproof, dustproof performance of outdoor megaphone.
As shown in fig. 6 and 7, the sound amplifying mechanism 2 includes a second housing 201; a top cover 202 is arranged at the top of the second shell 201; a second mounting groove 203 is formed in the top of the top cover 202; the volume adjusting mechanism 3 movably penetrates through the second mounting groove 203; a limiting groove 204 is formed in the inner wall of the second mounting groove 203; a mounting cavity 205 is arranged in the second shell 201; a plurality of groups of sound transmission holes 206 are distributed on the inner wall of the installation cavity 205 in an annular array; two groups of fixing grooves 207 are symmetrically formed on the outer wall of the second shell 201; the output end of each group of the third electric push rods 115 movably penetrates through a corresponding group of the fixing grooves 207; a mounting column 208 is arranged at the bottom center of the mounting cavity 205; a guide groove 209 is formed at the bottom of the mounting column 208; the guide post 116 movably penetrates through the guide groove 209; two groups of first sliding grooves 210 are symmetrically formed on the inner walls of the two sides of the guide groove 209; each group of the first sliding blocks 117 is slidably connected in a corresponding group of the first sliding grooves 210; a plurality of groups of fixing components 211 are distributed on the outer wall of the mounting column 208 in an annular array; each set of the fixing assemblies 211 is provided with a set of speakers 212.
When outdoor megaphone is used, firstly, lift up megaphone mechanism 2 through volume adjustment mechanism 3, in this process guide post 116 activity runs through in guide way 209, two sets of first sliders 117 sliding connection are in two sets of first spouts 210, avoid second casing 201 to produce and rotate, when megaphone mechanism 2 arrives the highest department, the output activity of control two sets of third electric putter 115 runs through to two sets of fixed slots 207, thereby make megaphone mechanism 2 keep fixed, then the speaker 212 in megaphone mechanism 2 expands user's sound, then the sound is passed through a plurality of groups of sound transmission holes 206.
Illustratively, as shown in fig. 8, the volume adjusting mechanism 3 includes a lifting column 301; the lifting column 301 movably penetrates through the second mounting groove 203; a lifting handle 302 is arranged at the top of the lifting column 301; a third installation groove 303 is formed in the outer wall of the lifting column 301; a plurality of groups of infrared human body detectors 304 are distributed on the inner wall of one side of the third mounting groove 303, which is close to the lifting column 301, in an annular array; a limiting block 305 is arranged on the outer wall of the lifting column 301; the limiting block 305 is slidably connected in the limiting groove 204.
When outdoor megaphone is used, firstly, lift up megaphone mechanism 2 through handle 302 and fix megaphone mechanism 2, then rotate lifting column 301 through handle 302 until unable rotation, then lift lifting column 301 to the highest, then reverse rotation lifting column 301, make lifting column 301 fix in the highest, a plurality of infrared human body detector 304 of group expose in the outside this moment, respond to outdoor megaphone personnel quantity, distance and direction all around, and control a plurality of speaker 212 of group alone and carry out volume adjustment, not only avoided needing frequent manual adjustment volume of user, improved outdoor megaphone's convenience of use.
Illustratively, as shown in fig. 9 and 10, the fixing assembly 211 includes a third housing 2111; a second chute 2112 is formed on a side wall of the third housing 2111 away from the mounting post 208; two groups of fixing plates 2113 are slidably connected in the second chute 2112; two groups of fixing plates 2113 are movably abutted against the outer wall of the speaker 212; an adjusting cavity 2115 is arranged in the third shell 2111; two groups of screw rods 2116 are arranged in the adjusting cavity 2115 along the sliding direction of the fixed plate 2113; one ends of the two groups of screw rods 2116 are fixedly connected, and the other ends of the two groups of screw rods 2116 are respectively and rotatably connected to the inner walls of the two sides of the adjusting cavity 2115; the screw thread directions of the two groups of screw rods 2116 are opposite, and the central axes are on the same straight line; two groups of second sliding blocks 2117 are connected on the inner wall of one side of the adjusting cavity 2115 in a sliding way; the two groups of second sliding blocks 2117 are respectively connected with one group of screw rods 2116 in a threaded manner; the two groups of second sliding blocks 2117 are respectively connected with one group of fixed plates 2113 in a transmission way; a motor 2114 is arranged on one side wall of the third housing 2111; the output end of the motor 2114 is in transmission connection with one group of screw rods 2116.
When the loudspeaker 212 is installed, the loudspeaker 212 is firstly placed between the two groups of fixing plates 2113, then the motor 2114 is controlled to drive the two groups of screw rods 2116 to rotate, under the threaded connection relation between the two groups of screw rods 2116 and the two groups of second sliding blocks 2117, the two groups of second sliding blocks 2117 drive the two groups of fixing plates 2113 to move to opposite sides and abut against the outer wall of the loudspeaker 212, so that the loudspeaker 212 is fixed, when one group of loudspeaker 212 fails and needs to be maintained or replaced, the corresponding fixing assembly 211 can be controlled to release the fixation of the loudspeaker 212, and then the loudspeaker 212 is taken out for maintenance or replacement, so that the maintenance or replacement efficiency of the outdoor loudspeaker is improved.
The outdoor loudspeaker capable of automatically adjusting the volume provided by the utility model has the following operating principle: when the outdoor loudspeaker needs to be moved, the first electric push rod 110 is controlled to drive the supporting plate 108 to descend, so that the plurality of groups of universal wheels 109 are abutted against the ground and lift the outdoor loudspeaker, and then the handrail 103 is pulled out of the first storage groove 102, and the outdoor loudspeaker is driven to move by pulling the handrail 103. When the outdoor loudspeaker is used, firstly, the loudspeaker mechanism 2 is lifted upwards through the lifting handle 302, in the process, the guide post 116 is movably penetrated in the guide groove 209, two groups of first sliding blocks 117 are slidably connected in two groups of first sliding grooves 210, rotation of the second shell 201 is avoided, when the loudspeaker mechanism 2 reaches the highest position, the output ends of two groups of third electric push rods 115 are controlled to movably penetrate into two groups of fixing grooves 207, so that the loudspeaker mechanism 2 is kept fixed, then the lifting post 301 is rotated through the lifting handle 302 until the lifting post 301 cannot rotate, then the lifting post 301 is lifted to the highest position, then the lifting post 301 is reversely rotated, the lifting post 301 is fixed at the highest position, at the moment, a plurality of groups of infrared human body detectors 304 are exposed to the outside, the quantity, the distance and the direction of people around the outdoor loudspeaker are sensed, and the volume of the loudspeaker mechanism are independently controlled, then the sound of the loudspeaker 212 is expanded through the external microphone, then the sound of the loudspeaker mechanism 2 is transmitted through a plurality of groups of sound transmission holes 206, and the sound is distributed around the sound volume adjusting mechanism 3 of the user can be adjusted in real time. When outdoor environment is abominable, like weather such as rain, snow, can make public address mechanism 2 work in the inside of protection machanism 1, sound accessible a plurality of first logical groove 106 of group and second logical groove 113 spread, and when outdoor megaphone is idle, steerable a plurality of second electric putter 114 drive closing plate 112 decline for a plurality of first logical groove 106 of group and second logical groove 113 are removed the intercommunication relation, thereby make protection machanism 1 seal. When one of the two sets of speakers 212 fails and needs to be maintained or replaced, the top cover 202 is opened first, then the corresponding motor 2114 is controlled to drive the two sets of screws 2116 to rotate, and under the threaded connection relationship between the two sets of screws 2116 and the two sets of second sliding blocks 2117, the two sets of second sliding blocks 2117 drive the two sets of fixing plates 2113 to move to the opposite sides to release the fixing of the speakers 212, so that the speakers 212 can be taken out for maintenance or replacement.
Through opening top cap 202, then control corresponding motor 2114 and drive two sets of lead screws 2116 and rotate, under the threaded connection relation of two sets of lead screws 2116 and two sets of second sliders 2117 for two sets of second sliders 2117 drive two sets of fixed plates 2113 and remove the fixed to speaker 212 to opposite side, thereby can take out speaker 212 and maintain or change, easy operation is convenient, has improved the maintenance or the efficiency of changing of outdoor megaphone.
The supporting plate 108 is driven to descend by controlling the first electric push rod 110, so that the plurality of groups of universal wheels 109 are abutted against the ground and lift the outdoor loudspeaker, then the armrest 103 is pulled out of the first storage groove 102, and the armrest 103 is pulled to drive the outdoor loudspeaker to move, so that the need of manual carrying is avoided, and the moving convenience of the outdoor loudspeaker is improved.
Through shifting the public address mechanism 2 to the inside work of protection machanism 1, sound accessible a plurality of first logical groove 106 of group and second logical groove 113 spread, and when outdoor megaphone is idle, steerable a plurality of second electric putter 114 drive closing plate 112 decline for a plurality of first logical groove 106 of group and second logical groove 113 are relieved the intercommunication relation, thereby make protection machanism 1 seal, have not only improved the barrier propterty of outdoor megaphone, have still improved the waterproof, the dustproof performance of outdoor megaphone.
Through remove the outside of amplifying mechanism 2 with lift post 301, then respond to personnel's quantity, distance and the direction all around to outdoor megaphone through a plurality of groups of infrared human body detector 304 in the third mounting groove 303 to a plurality of groups of speakers 212 of independent control carry out volume adjustment, have avoided the frequent manual adjustment volume of needs user, have improved outdoor megaphone's convenience of use.
On the basis of the outdoor loudspeaker with self-adjusting volume, the embodiment of the utility model further provides a control method for the outdoor loudspeaker with self-adjusting volume, and the control method comprises the following steps:
lifting and fixing the sound amplifying mechanism upwards;
moving and fixing the volume adjusting mechanism upwards;
speaking using an external microphone;
a plurality of groups of infrared human body detectors detect the number, distance and direction of people around in real time;
controlling a plurality of groups of loudspeakers in real time to independently adjust the volume;
and finishing the sound amplifying work.
Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. The utility model provides an outdoor megaphone of self-interacting volume, includes protection machanism (1), its characterized in that: the top of the protection mechanism (1) is movably penetrated with a sound amplifying mechanism (2); the top of the sound amplifying mechanism (2) is movably penetrated with a volume adjusting mechanism (3);
the volume adjusting mechanism (3) comprises a lifting column (301); the lifting column (301) movably penetrates through the second mounting groove (203); a lifting handle (302) is arranged at the top of the lifting column (301); a third mounting groove (303) is formed in the outer wall of the lifting column (301); and a plurality of groups of infrared human body detectors (304) are distributed on the inner wall of one side of the third mounting groove (303) close to the lifting column (301) in an annular array.
2. The self-adjusting volume outdoor loudspeaker of claim 1, wherein: the protection mechanism (1) comprises a first shell (101), and a first storage groove (102) is formed in the edge of one side of the top of the first shell (101); an armrest (103) is movably penetrated in the first storage groove (102); a group of connecting columns (104) are respectively arranged at the edges of the two sides of the bottom of the handrail (103); each group of connecting columns (104) movably penetrates through the inner wall of the bottom of the first storage groove (102); a first mounting groove (105) is formed in the top of the first shell (101); the sound amplifying mechanism (2) is movably penetrated in the first mounting groove (105); a plurality of groups of first through grooves (106) are distributed on the outer wall of the first shell (101) in an annular array.
3. The self-adjusting volume outdoor loudspeaker of claim 2, wherein: a second accommodating groove (107) is formed in the bottom of the first shell (101); a supporting plate (108) is connected in the second accommodating groove (107) in a sliding manner along the vertical direction; a plurality of groups of universal wheels (109) are arranged at the bottom edge of the supporting plate (108); a first electric push rod (110) is arranged in the center of the inner wall of the top of the second storage groove (107); the output end of the first electric push rod (110) is in transmission connection with the supporting plate (108).
4. The self-adjusting volume outdoor loudspeaker of claim 2, wherein: a movable groove (111) is formed in the inner wall of the first mounting groove (105); a sealing plate (112) is movably sleeved on the inner wall of the movable groove (111); a plurality of groups of second through grooves (113) which are the same as the first through grooves (106) in number are distributed on the inner wall of the sealing plate (112) in an annular array; each group of the second through grooves (113) is movably communicated with a corresponding group of the first through grooves (106); a plurality of groups of second electric push rods (114) are distributed on the inner wall of the bottom of the movable groove (111) in an annular array manner; the output end of each group of second electric push rods (114) is in transmission connection with the sealing plate (112).
5. The self-adjusting volume outdoor loudspeaker of claim 2, wherein: two groups of third electric push rods (115) are symmetrically arranged on the inner wall of the top of the first mounting groove (105); the output end of each group of the third electric push rods (115) movably penetrates through the sound amplifying mechanism (2); a guide column (116) is arranged at the bottom center of the first mounting groove (105); the guide post (116) is movably penetrated in the sound amplifying mechanism (2); two groups of first sliding blocks (117) are symmetrically arranged on two side walls of the top of the guide column (116).
6. The self-adjusting volume outdoor loudspeaker of claim 5, wherein: the sound amplifying mechanism (2) comprises a second shell (201); a top cover (202) is arranged at the top of the second shell (201); a second mounting groove (203) is formed in the top of the top cover (202); the volume adjusting mechanism (3) is movably penetrated in the second mounting groove (203); a limiting groove (204) is formed in the inner wall of the second mounting groove (203); a limiting block (305) is arranged on the outer wall of the lifting column (301); the limiting block (305) is slidably connected in the limiting groove (204).
7. The self-adjusting volume outdoor loudspeaker of claim 6, wherein: a mounting cavity (205) is formed in the second shell (201); a plurality of groups of sound transmission holes (206) are distributed on the inner wall of the installation cavity (205) in an annular array; two groups of fixing grooves (207) are symmetrically formed in the outer wall of the second shell (201); the output end of each group of the third electric push rods (115) movably penetrates through a corresponding group of the fixed grooves (207); a mounting column (208) is arranged at the bottom center of the mounting cavity (205); a guide groove (209) is formed in the bottom of the mounting column (208); the guide post (116) movably penetrates through the guide groove (209); two groups of first sliding grooves (210) are symmetrically formed in the inner walls of the two sides of the guide groove (209); each group of the first sliding blocks (117) is slidably connected in a corresponding group of the first sliding grooves (210); a plurality of groups of fixing components (211) are distributed on the outer wall of the mounting column (208) in an annular array; and each group of fixed components (211) is provided with a group of speakers (212).
8. The self-adjusting volume outdoor loudspeaker of claim 7, wherein: the fixation assembly (211) comprises a third housing (2111); a second chute (2112) is formed in one side wall, far away from the mounting column (208), of the third shell (2111); two groups of fixing plates (2113) are connected in a sliding way in the second sliding groove (2112); the two groups of fixing plates (2113) are movably abutted against the outer wall of the loudspeaker (212); an adjusting cavity (2115) is arranged in the third shell (2111); two groups of screw rods (2116) are arranged in the adjusting cavity (2115) along the sliding direction of the fixed plate (2113); one ends of the two groups of screw rods (2116) are fixedly connected, and the other ends of the screw rods are respectively and rotatably connected to the inner walls of the two sides of the adjusting cavity (2115); the screw thread directions of the two groups of screw rods (2116) are opposite, and the central axes are on the same straight line.
9. The self-adjusting volume outdoor loudspeaker of claim 8, wherein: two groups of second sliding blocks (2117) are connected on the inner wall of one side of the adjusting cavity (2115) in a sliding way; the two groups of second sliding blocks (2117) are respectively in threaded connection with one group of screw rods (2116); the two groups of second sliding blocks (2117) are respectively connected with a group of fixed plates (2113) in a transmission way; a motor (2114) is arranged on one side wall of the third shell (2111); the output end of the motor (2114) is in transmission connection with one group of screw rods (2116).
10. A control method for an outdoor loudspeaker for self-adjusting volume, characterized by: the control method comprises the following steps:
lifting and fixing the sound amplifying mechanism upwards;
moving and fixing the volume adjusting mechanism upwards;
speaking using an external microphone;
a plurality of groups of infrared human body detectors detect the number, distance and direction of people around in real time;
controlling a plurality of groups of loudspeakers in real time to independently adjust the volume;
and finishing the sound amplifying work.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311415170.1A CN117156368B (en) | 2023-10-30 | 2023-10-30 | Outdoor loudspeaker capable of self-adjusting volume and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311415170.1A CN117156368B (en) | 2023-10-30 | 2023-10-30 | Outdoor loudspeaker capable of self-adjusting volume and control method thereof |
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| CN117156368A true CN117156368A (en) | 2023-12-01 |
| CN117156368B CN117156368B (en) | 2024-01-26 |
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|---|---|
| CN117156368B (en) | 2024-01-26 |
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