CN113098644B - Public broadcasting device capable of automatically adjusting volume according to noise - Google Patents
Public broadcasting device capable of automatically adjusting volume according to noise Download PDFInfo
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- CN113098644B CN113098644B CN202110318392.6A CN202110318392A CN113098644B CN 113098644 B CN113098644 B CN 113098644B CN 202110318392 A CN202110318392 A CN 202110318392A CN 113098644 B CN113098644 B CN 113098644B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/08—Constructional details, e.g. cabinet
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
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Abstract
The invention discloses a public broadcasting device capable of automatically adjusting volume according to noise, and relates to the technical field of broadcasting. This can be according to public broadcaster of noise size automatically regulated volume, the on-line screen storage device comprises a base, the below of base is provided with fixed establishment, elevating system, slewing mechanism and adjustment mechanism, and the bottom fixed mounting of base has two sets of connecting plates and two sets of connecting plates to be central symmetry, and the below of base is provided with the public broadcasting body. This can be according to public broadcaster of noise size automatically regulated volume, rotate and the angle modulation to public broadcasting body and noise detector, all-round detecting the noise, the noise size in different position of effectual detection to can have corresponding noise detection to each position, increase the scope that the device detected the noise, greatly increased the plasticity of device.
Description
Technical Field
The invention relates to the technical field of broadcasting, in particular to a public broadcasting device capable of automatically adjusting volume according to the noise.
Background
Public broadcasting is installed in public hall environments such as stations, docks and airports, and because the frequency and the intensity of noise generated in public places are irregular, the situation is also changeable, and if the noise is too large, the passengers can not hear the broadcast information clearly. Patent publication No. CN106210977A discloses that the broadcast volume is controlled mainly by using a noise detection circuit and a broadcast judging circuit, but this method cannot detect all-around noise and adjust the broadcast volume according to the noise in a certain direction, and the cost is high, the operation is complicated, and the maintenance is inconvenient, so it is inconvenient to popularize and use.
Disclosure of Invention
The present invention is directed to a public address device capable of automatically adjusting the volume according to the noise level, so as to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a can be according to public broadcaster of noise size automatically regulated volume, includes the base, the below of base is provided with fixed establishment, elevating system, slewing mechanism and adjustment mechanism, and the bottom fixed mounting of base has two sets of connecting plates and two sets of connecting plates to be central symmetry, and the below of base is provided with the public broadcasting body.
Preferably, the fixing mechanism comprises a threaded nail, a first motor, an arc-shaped rotating rod, a connecting block, a piston rod, an inflator, a piston, a cavity, an air inlet pipe, a hollow rod and a sucker, two groups of threaded holes are formed in the base, the threaded nail is installed on the inner threads of the threaded holes, a first motor is fixedly installed on the outer wall of one side of the connecting plate, the arc-shaped rotating rod is rotatably installed on the adjacent side wall of the two groups of connecting plates, an output shaft of the first motor extends to the outer wall of one side of the connecting plate through a coupler and is fixedly connected with the arc-shaped rotating rod, the connecting block is sleeved on the outer wall of the arc-shaped rotating rod, the piston rod is installed at the top of the connecting block in a hinged mode, the inflator is fixedly installed at the bottom of the base, an opening is formed in the bottom of the inflator, one end of the piston rod extends to the inside of the inflator through the opening in the inflator and is installed with the piston in a hinged mode, the cavity is formed in the inside of the base, the air inlet pipe is fixedly installed in the cavity, the one end of intake pipe communicates with each other with the inside of inflator, and the top fixed mounting of base has two sets of hollow poles, and the one end of hollow pole communicates with each other with the inside of cavity, and the other end fixed mounting of hollow pole has the sucking disc, is convenient for fix the processing to the base to simple structure is convenient for fix the base, increases the stability of public broadcast body in the use simultaneously, and the practicality is high, facilitate promotion and use.
Preferably, the lifting mechanism comprises a fixed plate, sliding chutes, sliding blocks, mounting vertical plates, a two-way threaded rod, a first linkage rod, a lifting plate and a second linkage rod, the fixed plate is fixedly mounted at the bottom of the connecting plate, two groups of sliding chutes are formed in the bottom of the fixed plate and are arranged in the front and back directions, two groups of sliding blocks are slidably mounted in the sliding chutes, the mounting blocks are fixedly mounted at the bottom of the sliding blocks, two groups of mounting vertical plates are fixedly mounted at the bottom of the fixed plate, two-way threaded rods are rotatably mounted on adjacent side walls of the two groups of mounting vertical plates, threaded holes are formed in the four groups of mounting blocks, the four groups of mounting blocks are in threaded mounting with the two-way threaded rods, the first linkage rod is hinged at the bottom of the two groups of mounting blocks and is arranged in the front and back directions, the lifting plate is arranged below the fixed plate, and one group of the first linkage rod and the second linkage rod are hinged with the outer surface of the front side of the lifting plate, the articulated installation of the rear side of another group's first gangbar and second gangbar and lifter plate carries out altitude mixture control to the public broadcasting body, helps the detection to the noise to help the sound diffusion of public broadcasting body, thereby conveniently carry out altitude mixture control to the public broadcasting body in the use simultaneously and be convenient for maintenance personal maintenance, increased the plasticity of device.
Preferably, the adjusting mechanism comprises a second motor, a rotating shaft, a mounting transverse plate, a limiting groove, a limiting block, a clamping groove, a clamping block, an electric push rod, a first hinge rod and a second hinge rod, the second motor is fixedly mounted at the top of the lifting plate, the rotating shaft is rotatably mounted at the bottom of the lifting plate, an output shaft of the second motor extends to the lower part of the lifting plate through a coupler and is fixedly connected with the rotating shaft, the mounting transverse plate is fixedly mounted at the bottom of the rotating shaft, the limiting plate is fixedly mounted on the outer wall of one side of the public broadcasting body, the limiting groove is formed in the outer wall of one side of the limiting plate, the limiting block is slidably mounted in the limiting groove, the clamping groove begins to be formed in the outer wall of one side of the limiting block, the clamping block is mounted in the clamping groove in a clamping manner, the electric push rod is fixedly mounted at the bottom of the mounting transverse plate, the first hinge rod is fixedly mounted at the free end of the electric push rod, the second hinge rod is hinged to the second hinge rod, the one end of second articulated arm and the articulated installation of one side outer wall of fixture block rotate and the angle modulation public address body and noise detector, and the all-round detects the noise, can the effectual noise size that detects different positions to can have corresponding noise detection to each position, increase the scope that the device detected the noise, greatly increased the plasticity of device.
Preferably, slewing mechanism includes mount, universal ball and threaded rod, the bottom fixed mounting of installation diaphragm has the mount, the inside of mount is provided with universal ball, spherical groove has been seted up to the bottom of mount, in universal ball movable mounting and the mount, the top fixed mounting of public broadcasting body has the threaded rod, the threaded hole has been seted up to the bottom of universal ball, threaded rod and universal ball thread mounting, fix and install the processing public broadcasting body, moreover, the steam generator is simple in structure, be convenient for install the public broadcasting body, practice thrift installation time and be convenient for maintenance simultaneously, and it is low to put into production cost, therefore, the clothes hanger is strong in practicability.
Preferably, the one end of two-way threaded rod extends to one side outside and the fixed mounting of installation riser and has the moment of torsion, is convenient for rotate two-way threaded rod.
Preferably, the bottom of fixed plate has been seted up the motor and has been stored the groove, and the motor stores the groove and is located in the middle of two sets of spouts, is convenient for store the second motor.
Preferably, a noise detector is fixedly mounted on the outer wall of one side of the public broadcasting body and comprises a controller, the output end of the noise detector is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the broadcasting.
Compared with the prior art, the invention has the beneficial effects that:
(1) this can be according to public broadcaster of noise size automatically regulated volume, through the cooperation of screw thread nail, first motor, bow-shaped dwang, connecting block, piston rod, inflator, piston, cavity, intake pipe, hollow pole and sucking disc use, be convenient for fix the processing to the base to simple structure is convenient for fix the base, increases the stability of public broadcasting body in the use simultaneously, and the practicality is high, facilitate promotion and use.
(2) This can be according to public broadcaster of noise size automatically regulated volume, through the fixed plate, the spout, the slider, the installation piece, the installation riser, two-way threaded rod, first gangbar, the cooperation of lifter plate and second gangbar is used, carry out the altitude mixture control to the public broadcasting body, help the detection to the noise, and help the sound diffusion of public broadcasting body, thereby the while convenience carries out the altitude mixture control to the public broadcasting body and is convenient for maintenance personal maintenance in the use, the plasticity of device has been increased.
(3) This can be according to public broadcaster of noise size automatically regulated volume, the cooperation through mount, universal ball and threaded rod is used, fixes and installs the processing to public broadcasting body, and simple structure is convenient for install public broadcasting body, practices thrift installation time and the maintenance of being convenient for simultaneously to the input low in production cost, the practicality is strong.
(4) This can be according to public broadcaster of noise size automatically regulated volume, through the second motor, the axis of rotation, the installation diaphragm, the limiting plate, the spacing groove, the stopper, the draw-in groove, the fixture block, electric putter, the cooperation of first hinge bar and second hinge bar is used, rotate and angle modulation to public broadcasting body and noise detector, the all-round detection to the noise, the noise size in different positions of can effectual detection, and can have corresponding noise detection to each position, increase the scope that the device detected the noise, greatly increased the plasticity of device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a bottom view of the fixation plate of the present invention;
FIG. 4 is an enlarged view of part A of the present invention;
FIG. 5 is an enlarged view of part B of the present invention;
FIG. 6 is an enlarged view of section C of the present invention;
FIG. 7 is an enlarged view of the section D of the present invention.
In the figure: the device comprises a base 1, a fixing mechanism 2, a screw 201, a first motor 202, an arched rotating rod 203, a connecting block 204, a piston rod 205, an air cylinder 206, a piston 207, a cavity 208, an air inlet pipe 209, a hollow rod 210, a sucking disc 211, a lifting mechanism 3, a fixed plate 301, a sliding chute 302, a sliding block 303, a mounting block 304, a mounting vertical plate 305, a bidirectional threaded rod 306, a first linkage rod 307, a lifting plate 308, a second linkage rod 309, a rotating mechanism 4, a fixed frame 401, a universal ball 402, a threaded rod 403, an adjusting mechanism 5, a second motor 501, a rotating shaft 502, a transverse plate 503, a limiting plate 504, a limiting groove 505, a limiting block 506 limiting block 507, a clamping block 508, an electric push rod 509, a first hinge rod 510, a second hinge rod 511, a connecting plate 6, a torque 7, an 8 public broadcasting body, a motor storage groove 9 and a noise detector 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a can be according to public broadcaster of noise size automatically regulated volume, includes base 1, and base 1's below is provided with fixed establishment 2, elevating system 3, slewing mechanism 4 and adjustment mechanism 5, and base 1's bottom fixed mounting has two sets of connecting plates 6 and two sets of connecting plates 6 to be central symmetry, and base 1's below is provided with public broadcaster body 8.
The fixing mechanism 2 comprises a threaded nail 201, a first motor 202, an arc-shaped rotating rod 203, a connecting block 204, a piston rod 205, an air cylinder 206, a piston 207, a cavity 208, an air inlet pipe 209, a hollow rod 210 and a sucker 211, two groups of threaded holes are formed in the base 1, the threaded nail 201 is installed in the threaded holes through threads, the first motor 202 is fixedly installed on the outer wall of one side of the connecting plate 6, the arc-shaped rotating rod 203 is rotatably installed on the adjacent side walls of the two groups of connecting plates 6, the output shaft of the first motor 202 extends to the outer wall of one side of the connecting plate 6 through a coupler and is fixedly connected with the arc-shaped rotating rod 203, the connecting block 204 is sleeved on the outer wall of the arc-shaped rotating rod 203, the piston rod 205 is hinged to the top of the connecting block 204, the air cylinder 206 is fixedly installed at the bottom of the base 1, an opening is formed in the bottom of the air cylinder 206, one end of the piston rod 205 extends to the inside of the air cylinder 206 through the opening in the air cylinder 206 and is hinged to install the piston 207, the inner part of the base 1 is provided with a cavity 208, the inner part of the cavity 208 is fixedly provided with an air inlet pipe 209, one end of the air inlet pipe 209 is communicated with the inner part of the air cylinder 206, the top part of the base 1 is fixedly provided with two groups of hollow rods 210, one end of each hollow rod 210 is communicated with the inner part of the cavity 208, the other end of each hollow rod 210 is fixedly provided with a suction cup 211, the rotation of the screw nail 201 is firstly controlled, the screw nail 201 is longitudinally moved due to the threaded installation of the screw nail 201 and the base 1, the suction cup 211 is tightly attached to the wall surface, then the start of the first motor 202 is controlled to drive the arc-shaped rotating rod 203 to rotate and drive the connecting block 204 to longitudinally move, the piston rod 205 and the piston 207 are driven to longitudinally move, so that the air in the cavity 208 is sucked into the air cylinder 206 through the air inlet pipe 209, the pressure in the cavity 208 is reduced, the suction cup 211 tightly attaches to the wall surface to fix the base 1, and the base 1 is convenient to fix the base 1, thereby the structure is simple, the base 1 is convenient to be fixed, the stability of the public broadcasting body 8 in the using process is increased, the practicability is high, the popularization and the use are convenient, the lifting mechanism 3 comprises a fixed plate 301, sliding grooves 302, sliding blocks 303, mounting blocks 304, mounting vertical plates 305, two-way threaded rods 306, a first linkage rod 307, a lifting plate 308 and a second linkage rod 309, the fixed plate 301 is fixedly mounted at the bottom of a connecting plate 6, two groups of sliding grooves 302 are arranged at the bottom of the fixed plate 301 in a front-back manner, two groups of sliding blocks 303 are slidably mounted in the sliding grooves 302, the mounting blocks 304 are fixedly mounted at the bottom of the sliding blocks 303, two groups of mounting vertical plates 305 are fixedly mounted at the bottom of the fixed plate 301, the two-way threaded rods 306 are rotatably mounted on adjacent side walls of the two groups of mounting vertical plates 305, threaded holes are arranged in the four groups of mounting blocks 304, and the four groups of mounting blocks 304 are all in threaded mounting with the two-way threaded rods 306, wherein the bottoms of two sets of installation blocks 304 are hinged with a first linkage rod 307 and are arranged in a front-back manner, the bottoms of the other two sets of installation blocks 304 are hinged with a second linkage rod 309 and are arranged in a front-back manner, a lifting plate 308 is arranged below the fixed plate 301, one set of the first linkage rod 307 and the second linkage rod 309 are hinged with the front outer surface of the lifting plate 308, the other set of the first linkage rod 307 and the second linkage rod 309 are hinged with the rear side of the lifting plate 308, the rotation of the torque 7 is controlled to drive the installation vertical plate 305 to rotate, so as to drive the installation blocks 304 and the sliding blocks 303 to transversely move in the sliding grooves 302, so as to drive the lifting plate 308 to longitudinally move under the action of the first linkage rod 307 and the second linkage rod 309, thereby carrying out height adjustment on the public broadcasting body 8, being beneficial to the detection of noise, being beneficial to the sound diffusion of the public broadcasting body 8, and being convenient for maintenance personnel to carry out height adjustment on the public broadcasting body 8 in the use process, the plasticity of the device is increased, the adjusting mechanism 5 comprises a second motor 501, a rotating shaft 502, a mounting transverse plate 503, a limiting plate 504, a limiting groove 505, a limiting block 506, a clamping groove 507, a clamping block 508, an electric push rod 509, a first hinge rod 510 and a second hinge rod 511, the second motor 501 is fixedly mounted at the top of the lifting plate 308, the rotating shaft 502 is rotatably mounted at the bottom of the lifting plate 308, an output shaft of the second motor 501 extends to the lower part of the lifting plate 308 through a coupler and is fixedly connected with the rotating shaft 502, the mounting transverse plate 503 is fixedly mounted at the bottom of the rotating shaft 502, the limiting plate 504 is fixedly mounted on the outer wall of one side of the public broadcasting body 8, the limiting groove 505 is formed on the outer wall of one side of the limiting plate 504, the limiting block 506 is slidably mounted inside the limiting groove 505, the clamping groove 507 is formed on the outer wall of one side of the limiting block 506, the clamping block 508 is fixedly mounted at the bottom of the mounting transverse plate 503, a first hinge rod 510 is fixedly installed at the free end of the electric push rod 509, a second hinge rod 511 is installed at one end of the first hinge rod 510 in a hinged mode, one end of the second hinge rod 511 is installed in a hinged mode with the outer wall of one side of the clamping block 508, the clamping block 508 is inserted into the clamping groove 507, then the starting of the second motor 501 is controlled, the rotating shaft 502 is driven to rotate, the installation transverse plate 503 is driven to rotate, the public broadcasting body 8 is driven to rotate, then the electric push rod 509 is controlled to start, the first hinge rod 510 is driven to longitudinally move, the second hinge rod 511 is driven to longitudinally move, the public broadcasting body 8 and the noise detector 10 are rotated and adjusted in angle, noise in all directions can be detected, noise in different directions can be effectively detected, noise detection in all directions can be conducted in a targeted mode, the noise detection range of the device is enlarged, and the plasticity of the device is greatly increased, the rotating mechanism 4 comprises a fixed frame 401, a universal ball 402 and a threaded rod 403, the fixed frame 401 is fixedly installed at the bottom of an installation transverse plate 503, the universal ball 402 is arranged inside the fixed frame 401, a spherical groove is formed in the bottom of the fixed frame 401, the universal ball 402 is movably installed in the fixed frame 401, the threaded rod 403 is fixedly installed at the top of the public broadcasting body 8, a threaded hole is formed in the bottom of the universal ball 402, the threaded rod 403 and the universal ball 402 are in threaded installation to control the rotation of the public broadcasting body 8 and drive the threaded rod 403 to rotate, the public broadcasting body 8 is fixed and installed due to the threaded installation of the threaded rod 403 and the universal ball 402, the structure is simple, the public broadcasting body 8 is convenient to install, the installation time is saved, the maintenance is convenient, the investment production cost is low, the practicability is strong, one end of the bidirectional threaded rod 306 extends to the outside of one side of the installation vertical plate 305 and is fixedly provided with a torque 7, be convenient for rotate two-way threaded rod 306, the motor has been seted up to the bottom of fixed plate 301 and has been stored groove 9, the motor stores groove 9 and is located in the middle of two sets of spouts 302, be convenient for store second motor 501, one side outer wall fixed mounting of public broadcast body 8 has noise detector 10, noise detector 10 includes the controller, the output of noise detector 10 is connected with the input electricity of controller, the output and the broadcast electricity of controller are connected.
The working principle is as follows: firstly, the rotation of the screw 201 is controlled, the screw 201 is longitudinally moved due to the threaded installation of the screw 201 and the base 1, the suction cup 211 is tightly attached to the wall surface, then the start of the first motor 202 is controlled to drive the arc-shaped rotating rod 203 to rotate, the connecting block 204 is driven to longitudinally move, the piston rod 205 and the piston 207 are driven to longitudinally move, so that the air in the cavity 208 is sucked into the air cylinder 206 through the air inlet pipe 209, thereby reducing the pressure intensity in the cavity 208, so that the suction cup 211 tightly sucks the wall surface to fix the base 1, then the rotation of the public broadcasting body 8 is controlled to drive the threaded rod 403 to rotate, the threaded rod 403 is driven to rotate due to the threaded installation of the threaded rod 403 and the universal ball 402, thereby the public broadcasting body 8 is installed, then the rotation of the torque 7 is controlled to drive the installation vertical plate 305 to rotate, thereby driving the installation block 304 and the sliding block 303 to transversely move in the sliding chute 302, thereby driving the lifting plate 308 to longitudinally move under the action of the first linkage rod 307 and the second linkage rod 309, thereby carry out height control to public address body 8, then inject fixture block 508 in draw-in groove 507, then control the start-up of second motor 501, drive axis of rotation 502 and rotate, it rotates to drive installation diaphragm 503, drive public address body 8 and rotate, then control electric putter 509's start-up again, drive first articulated rod 510 longitudinal movement, drive second articulated rod 511 longitudinal movement, thereby carry out angle modulation to public address body 8, then detect the noise through noise detector 10, then transmit the controller, regulate and control the volume size of public address body 8 through the controller.
Claims (5)
1. The utility model provides a public address set that can be according to noise size automatically regulated volume, includes base (1), its characterized in that: the utility model discloses a public broadcasting station, including base (1), fixed establishment (2), elevating system (3), slewing mechanism (4) and adjustment mechanism (5) are provided with to the below of base (1), and the bottom fixed mounting of base (1) has two sets of connecting plates (6) and two sets of connecting plates (6) are central symmetry, and the below of base (1) is provided with public broadcasting body (8), fixed establishment (2) includes screw (201), first motor (202), bow-shaped dwang (203), connecting block (204), piston rod (205), inflator (206), piston (207), cavity (208), intake pipe (209), hollow rod (210) and sucking disc (211), has seted up two sets of screw holes on base (1), and the internal thread of screw hole installs screw (201), and one side outer wall fixed mounting of connecting plate (6) has first motor (202), and the adjacent lateral wall of two sets of connecting plate (6) rotates installs bow-shaped dwang (203), the output shaft of the first motor (202) extends to the outer wall of one side of the connecting plate (6) through the coupler and is fixedly connected with the arched rotating rod (203), the outer wall cover of the arched rotating rod (203) is provided with a connecting block (204), the top of the connecting block (204) is hinged with a piston rod (205), the bottom of the base (1) is fixedly provided with an air cylinder (206), the bottom of the air cylinder (206) is provided with an opening, one end of the piston rod (205) penetrates through the opening in the air cylinder (206) to extend to the inside of the air cylinder (206) and is hinged with a piston (207), the inside of the base (1) is provided with a cavity (208), the inside of the cavity (208) is fixedly provided with an air inlet pipe (209), one end of the air inlet pipe (209) is communicated with the inside of the air cylinder (206), the top of the base (1) is fixedly provided with two groups of hollow rods (210), one end of each hollow rod (210) is communicated with the inside of the cavity (208), the other end of the hollow rod (210) is fixedly provided with a sucker (211), the lifting mechanism (3) comprises a fixed plate (301), a sliding groove (302), a sliding block (303), an installation block (304), installation vertical plates (305), a bidirectional threaded rod (306), a first linkage rod (307), a lifting plate (308) and a second linkage rod (309), the bottom of the connecting plate (6) is fixedly provided with the fixed plate (301), the bottom of the fixed plate (301) is provided with two groups of sliding grooves (302) which are arranged in the front and back, the inside of each sliding groove (302) is provided with two groups of sliding blocks (303), the bottom of each sliding block (303) is fixedly provided with the installation block (304), the bottom of the fixed plate (301) is fixedly provided with two groups of installation vertical plates (305), the adjacent side walls of the two groups of installation vertical plates (305) are rotatably provided with the bidirectional threaded rod (306), and the insides of the four groups of installation blocks (304) are provided with threaded holes, the four groups of mounting blocks (304) are all in threaded mounting with a bidirectional threaded rod (306), wherein the bottoms of the two groups of mounting blocks (304) are hinged with a first linkage rod (307) and are arranged in the front-back direction, the bottoms of the other two groups of mounting blocks (304) are hinged with a second linkage rod (309) and are arranged in the front-back direction, a lifting plate (308) is arranged below the fixed plate (301), one group of first linkage rods (307) and second linkage rods (309) are hinged with the outer surface of the front side of the lifting plate (308), the other group of first linkage rods (307) and second linkage rods (309) are hinged with the rear side of the lifting plate (308), the public broadcasting system is characterized in that a noise detector (10) is fixedly mounted on the outer wall of one side of the public broadcasting body (8), the noise detector (10) comprises a controller, the output end of the noise detector (10) is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the broadcasting body (8).
2. The public address apparatus capable of automatically adjusting the volume according to the noise level as claimed in claim 1, wherein: the adjusting mechanism (5) comprises a second motor (501), a rotating shaft (502), a mounting transverse plate (503), a limiting plate (504), a limiting groove (505), a limiting block (506), a clamping groove (507), a clamping block (508), an electric push rod (509), a first hinge rod (510) and a second hinge rod (511), the second motor (501) is fixedly mounted at the top of the lifting plate (308), the rotating shaft (502) is rotatably mounted at the bottom of the lifting plate (308), an output shaft of the second motor (501) extends to the lower part of the lifting plate (308) through a coupling and is fixedly connected with the rotating shaft (502), the mounting transverse plate (503) is fixedly mounted at the bottom of the rotating shaft (502), the limiting plate (504) is fixedly mounted on the outer wall of one side of the public broadcasting body (8), the limiting groove (505) is formed in the outer wall of one side of the limiting plate (504), and the limiting block (506) is slidably mounted in the limiting groove (505), the outer wall of one side of stopper (506) begins to have draw-in groove (507), fixture block (508) are installed to the inside joint of draw-in groove (507), the bottom fixed mounting of installation diaphragm (503) has electric putter (509), the free end fixed mounting of electric putter (509) has first articulated rod (510), the articulated second articulated rod (511) of installing of the one end of first articulated rod (510), the articulated installation of the one side outer wall of one side of second articulated rod (511) and fixture block (508).
3. The public broadcasting apparatus capable of automatically adjusting a volume according to a noise level as claimed in claim 2, wherein: the rotating mechanism (4) comprises a fixing frame (401), a universal ball (402) and a threaded rod (403), the fixing frame (401) is fixedly installed at the bottom of an installation transverse plate (503), the universal ball (402) is arranged inside the fixing frame (401), a spherical groove is formed in the bottom of the fixing frame (401), the universal ball (402) is movably installed in the fixing frame (401), the threaded rod (403) is fixedly installed at the top of the public broadcasting body (8), a threaded hole is formed in the bottom of the universal ball (402), and the threaded rod (403) and the universal ball (402) are installed in a threaded mode.
4. The public broadcasting apparatus capable of automatically adjusting a volume according to a noise level as claimed in claim 2, wherein: one end of the bidirectional threaded rod (306) extends to the outside of one side of the mounting vertical plate (305) and is fixedly provided with a torque (7).
5. The public broadcasting apparatus capable of automatically adjusting a volume according to a noise level as claimed in claim 2, wherein: the bottom of fixed plate (301) has been seted up motor and has been stored groove (9), and motor is stored groove (9) and is located two sets of spouts (302) centre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110318392.6A CN113098644B (en) | 2021-03-25 | 2021-03-25 | Public broadcasting device capable of automatically adjusting volume according to noise |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110318392.6A CN113098644B (en) | 2021-03-25 | 2021-03-25 | Public broadcasting device capable of automatically adjusting volume according to noise |
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| CN113098644A CN113098644A (en) | 2021-07-09 |
| CN113098644B true CN113098644B (en) | 2022-02-11 |
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| CN202110318392.6A Active CN113098644B (en) | 2021-03-25 | 2021-03-25 | Public broadcasting device capable of automatically adjusting volume according to noise |
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| CN118408630A (en) * | 2024-03-18 | 2024-07-30 | 江苏旭博环境科技股份有限公司 | Remote early warning device for noise environment detection in industrial area |
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| WO2006109505A1 (en) * | 2005-03-31 | 2006-10-19 | Pioneer Corporation | Audio output control device, method thereof, program thereof, and recording medium containing the program |
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| CN207117604U (en) * | 2017-06-29 | 2018-03-16 | 江西国宣广电科技有限公司 | A kind of new broadcast transmitter |
| CN210274409U (en) * | 2019-10-30 | 2020-04-07 | 郑州信息工程职业学院 | Multi-angle indoor voice playing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209357907U (en) * | 2019-03-23 | 2019-09-06 | 王霞 | A kind of radio transmitting device convenient for adjusting |
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| WO2006109505A1 (en) * | 2005-03-31 | 2006-10-19 | Pioneer Corporation | Audio output control device, method thereof, program thereof, and recording medium containing the program |
| CN106210977A (en) * | 2016-07-15 | 2016-12-07 | 柳州国淘科技有限公司 | A kind of public place is automatically adjusted device and the control method of broadcast volume |
| CN207117604U (en) * | 2017-06-29 | 2018-03-16 | 江西国宣广电科技有限公司 | A kind of new broadcast transmitter |
| CN210274409U (en) * | 2019-10-30 | 2020-04-07 | 郑州信息工程职业学院 | Multi-angle indoor voice playing device |
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