CN116996799B - Protection sound amplifying system matched with outdoor sound equipment and application method - Google Patents
Protection sound amplifying system matched with outdoor sound equipment and application method Download PDFInfo
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- CN116996799B CN116996799B CN202311263156.4A CN202311263156A CN116996799B CN 116996799 B CN116996799 B CN 116996799B CN 202311263156 A CN202311263156 A CN 202311263156A CN 116996799 B CN116996799 B CN 116996799B
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000003321 amplification Effects 0.000 claims abstract description 13
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 13
- 230000000630 rising effect Effects 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims description 27
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 239000011241 protective layer Substances 0.000 claims description 8
- 230000001174 ascending effect Effects 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
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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
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
- H04R2201/025—Transducer mountings or cabinet supports enabling variable orientation of transducer of cabinet
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention relates to the technical field of sound amplification of sound equipment, in particular to a protection sound amplification system matched with outdoor sound equipment and a use method, wherein a protection assembly comprises an inner protection net belt and a winding roller, the inner protection net belt is vertically arranged in a protection inner cavity, the lower end of the inner protection net belt is wound on the winding roller, the upper end of the inner protection net belt is fixed on the outer wall of the upper end of an amplifier, and the winding roller is rotatably arranged in the inner cavity of the lower end of the sound box through a rotating assembly, and the beneficial effects are that: through setting up the drive of vertical telescopic link, realize the external of public address module and amplifier and accomodate to realize the regulation of volume, at external in-process simultaneously, utilize the interior protection network area of wound form to realize protecting the port of amplifier, through rising external back, utilize the horizontal drive of horizontal telescopic link, make public address subassembly connect on the guide bar, and then avoid the vibrations of amplifier to cause the direct vibrations to audio amplifier and sound equipment, improved the protection to equipment.
Description
Technical Field
The invention relates to the technical field of sound amplification of sound equipment, in particular to a protection sound amplification system matched with outdoor sound equipment and a use method thereof.
Background
In order to improve the sound amplifying effect of music in the prior art, an outdoor sound box with a roller and a pull rod for driving is generally arranged, and a common outdoor sound box can be directly spliced and read to play sound by a mobile storage device.
And because outdoor environment is spacious, consequently designed the amplifier of public address in the stereo set, nevertheless in the in-service use, along with the increase of sound volume, the vibrations that sound produced increase gradually, and then influence the normal use of stereo set for stereo set is in the state of rocking, and needs to be external with the amplifier in order to improve the volume, lacks at this moment and protects the amplifier.
Disclosure of Invention
The invention aims to provide a protection sound amplifying system matched with outdoor sound equipment and a use method thereof, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
protection public address system with outdoor stereo set looks adaptation, including protection public address system, protection public address system includes:
the sound module is fixedly arranged in an inner cavity at the lower end of the sound box, the upper end of the sound box is provided with a storage inner cavity, one side wall of the sound box is provided with an outer protective layer, a protective inner cavity is arranged between the outer protective layer and the storage inner cavity, the other side of the sound box is provided with a driving assembly, the driving assembly comprises a pair of pull rods inserted in the inner cavity of the sound box, the upper ends of the pull rods are provided with a cross beam, and a guide rod is vertically arranged in the middle of the lower end of the cross beam;
the sound amplifying assembly is arranged in the accommodating cavity and comprises a sound amplifying module and an amplifier, the sound amplifying module is connected with the sound module in a wireless mode, the amplifier is fixed on one side of the sound amplifying module, the amplifier is in a horn shape, and a horn mouth of the amplifier is opposite to the protecting cavity;
the adjusting assembly comprises a longitudinal telescopic rod and a transverse telescopic rod, the lower end of the longitudinal telescopic rod is fixed in a storage inner cavity, a supporting block is arranged on a telescopic section of the longitudinal telescopic rod, the supporting block is propped against the lower end of the sound amplifying module, a right-angle side frame attached to the outer wall is arranged at the lower end of the sound amplifying module, a pair of side bars which are symmetrical front and back are arranged on a lower end transverse plate of the right-angle side frame, a transverse telescopic rod which transversely penetrates through a sound box is arranged on a vertical surface of the right-angle side frame, the other end of the transverse telescopic rod is sleeved on a guide rod in a sliding manner, a limiting groove which is matched with the side bars in a plugging manner is formed in the supporting block, and the length of the side bars is smaller than the telescopic length of the transverse telescopic rod;
the protection assembly comprises an inner protection net belt and a wind-up roller, the inner protection net belt is vertically arranged in the protection inner cavity, the lower end of the inner protection net belt is wound on the wind-up roller, the upper end of the inner protection net belt is fixed on the outer wall of the upper end of the amplifier, and the wind-up roller is rotatably arranged in the inner cavity of the lower end of the sound box through a rotating assembly.
Preferably, a pair of rollers which are symmetrical in front-back are arranged at one side of the lower end of the sound box, and a supporting bottom plate is arranged at the other side of the lower end of the sound box.
Preferably, the rotating assembly comprises a sliding rail, a pull rope, a spring and a sliding block, the pull rope is wound on the wind-up roll, the sliding rail is transversely arranged in the inner cavity of the lower end of the sound box, the sliding block is slidably mounted in the inner cavity of the sliding rail, one end of the pull rope is fixed on the sliding block, and the spring is pressed between the sliding block and the side wall of the sliding rail.
Preferably, the upper end lateral wall of protection inner chamber is provided with the guide roll, interior protection network area is along the vertical upward extension of protection inner chamber and along the smooth bending extension of guide roll to amplifier and public address module on, interior protection network area passes through fastening screw to be fixed on the upper end outer wall of amplifier and public address module.
Preferably, the upper end of the sound box is provided with a pair of side plates which are symmetrical front and back, the side plates are transversely provided with limit rollers in a sliding mode, the side walls of the lower end of the amplifier transversely penetrate through the side plates to be provided with pressing grooves, the longitudinal telescopic rod drives the amplifier to vertically ascend so that the pressing grooves are opposite to the limit rollers, and at the moment, the limit rollers are driven to transversely press in the pressing grooves.
Preferably, the lateral plate is provided with a transversely extending chute in a penetrating manner, the limiting roller is inserted in the chute in a sliding manner, the front end and the rear end of the limiting roller are connected with lateral adjusting rods which are driven in a transversely telescopic manner, and the other ends of the lateral adjusting rods are fixed on the outer wall of the sound box.
Preferably, the upper end of supporting shoe is provided with the interior profile and is greater than the through groove of right angle side bearer lower extreme diaphragm, is provided with the spacing groove of pegging graft with the side bar cooperation on the lateral wall of through groove, the one end of horizontal telescopic link is fixed on the vertical board of right angle side bearer, and the other end of horizontal telescopic link is provided with locking clamp, locking clamp slides and cup joints on the guide bar, and locking clamp passes through the bolt lock.
Preferably, a pair of inserting rods which are vertically symmetrical are arranged on the side wall of the vertical plate of the right-angle side frame, a pair of ear seats are arranged on the outer wall of the fixed end of the transverse telescopic rod, reinforcing ribs with triangular sections are arranged on one side of each ear seat, the ear seats are opposite to the inserting rods, and the inserting rods penetrate through and are inserted into the ear seats through transverse driving of the transverse telescopic rods.
Preferably, the sound box is provided with an opening groove, the transverse telescopic rod vertically moves up and down along the opening groove, the sound box is fixedly provided with a fixed pipe, the guide rod is vertically and slidably inserted into the upper end of the fixed pipe, and the lower end of the fixed pipe is provided with a lower telescopic supporting rod which is vertically installed.
According to the use method of the protection sound amplifying system matched with the outdoor sound equipment, the use method comprises the following steps:
s1: when the loudspeaker assembly is normally used, the loudspeaker assembly is positioned in the accommodating inner cavity, sound emitted by the loudspeaker module is emitted through the loudspeaker module and the amplifier, and the sound is emitted through the outer protective layer and the inner protective net belt;
s2: when the amplifier is used outdoors, the volume is required to be increased, the longitudinal telescopic rod drives the amplifier and the sound amplifying module to ascend, the inner protective net belt is driven to extend upwards during ascending, after ascending, the amplifier is supported by the longitudinal telescopic rod and then fixed by the locking clamp, and the transverse telescopic rod drives the transverse motion, so that the amplifier is separated from the longitudinal telescopic rod;
s3: the inner protection net belt is driven to laterally extrude through the transverse movement of the limiting roller, so that the inner protection net belt is attached to the horn port of the amplifier.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the external arrangement and storage of the sound amplifying module and the amplifier are realized by arranging the drive of the longitudinal telescopic rod, so that the volume is adjusted, meanwhile, in the external arrangement process, the port of the amplifier is protected by utilizing the winding type inner protection net belt, and after the external arrangement is lifted, the sound amplifying assembly is connected to the guide rod by utilizing the transverse drive of the transverse telescopic rod, so that the direct vibration of the sound box and the sound equipment caused by the vibration of the amplifier is avoided, and the protection of the equipment is improved.
Drawings
FIG. 1 is a schematic view of a storage and play structure of the present invention;
FIG. 2 is a diagram illustrating an ascending external playback structure according to the present invention;
FIG. 3 is a schematic view of the inner protection net belt protection structure of the present invention;
FIG. 4 is a schematic diagram of a side wall of a sound box according to the present invention;
FIG. 5 is a schematic perspective view of a support block according to the present invention;
FIG. 6 is a schematic perspective view of the present invention;
FIG. 7 is a schematic diagram of an amplifier in a three-dimensional configuration according to the present invention;
fig. 8 is a schematic diagram of a connection structure between a sound amplifying assembly and a support block according to the present invention;
fig. 9 is a schematic perspective view of a loudspeaker assembly according to the present invention.
In the figure: 1. a sound box; 2. a sound module; 3. an outer protective layer; 4. an inner protective net belt; 5. a receiving cavity; 6. a protective lumen; 7. a support base plate; 8. a wind-up roll; 9. a roller; 10. a slide rail; 11. a slide block; 12. a lower telescopic support rod; 13. a pull rope; 14. a spring; 15. a guide roller; 16. a side plate; 17. a limit roller; 18. an amplifier; 19. a sound amplifying module; 20. a chute; 22. a longitudinal telescopic rod; 23. a right angle side frame; 24. a transverse telescopic rod; 25. locking the clamp; 26. a cross beam; 27. a guide rod; 28. a fastening screw; 29. a fixed tube; 30. a lateral adjusting rod; 31. a pull rod; 32. an open slot; 33. a support block; 34. a through groove; 35. a limit groove; 36. pressing a groove; 37. a rod; 38. an ear seat; 39. side bars.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1 to 9, the present invention provides a technical solution:
and the protection sound amplifying system is matched with the outdoor sound equipment and comprises a protection sound amplifying system, wherein the protection sound amplifying system comprises a sound module 2, a sound amplifying assembly, an adjusting assembly and a protection assembly.
The sound module 2 fixed mounting is in the lower extreme inner chamber of audio amplifier 1, and audio amplifier 1's upper end is provided with accomodates inner chamber 5, and audio amplifier 1's one side lateral wall is provided with outer inoxidizing coating 3, is provided with between outer inoxidizing coating 3 and accomodates inner chamber 5 and protects inner chamber 6, and audio amplifier 1's opposite side is provided with drive assembly, and drive assembly includes a pair of pull rod 31 of pegging graft in audio amplifier 1 inner chamber, and the upper end of a pair of pull rod 31 is provided with crossbeam 26, and audio amplifier 1's lower extreme is located one side of drive assembly and is provided with a pair of gyro wheel 9 of fore-and-aft symmetry, and audio amplifier 1's lower extreme opposite side is provided with supporting baseplate 7.
Convenient transportation is carried out to the loudspeaker box 1 through the cooperation of the pull rod 31 and the roller 9, and stable vertical support is carried out to the loudspeaker box 1 by utilizing the cooperation of the supporting bottom plate 7 and the roller 9.
The sound amplifying assembly is arranged in the accommodating cavity 5 and comprises a sound amplifying module 19 and an amplifier 18, the sound amplifying module 19 is connected with the sound module 2 in a wireless mode, the amplifier 18 is fixed on one side of the sound amplifying module 19, the amplifier 18 is in a horn shape, and a horn mouth of the amplifier 18 is opposite to the protecting cavity 6.
By arranging the matching of the amplifying module 19 and the amplifier 18, the purpose of amplifying is achieved.
The vertical guide bar 27 that is provided with in the middle of the lower extreme of crossbeam 26, adjusting part includes longitudinal extension pole 22 and horizontal telescopic link 24, the lower extreme of longitudinal extension pole 22 is fixed in accomodating inner chamber 5, the protection subassembly includes interior protection guipure 4 and wind-up roll 8, interior protection guipure 4 is vertical installs in protection inner chamber 6, the lower extreme winding of interior protection guipure 4 is on wind-up roll 8, the upper end of interior protection guipure 4 is fixed on the upper end outer wall of amplifier 18, wind-up roll 8 is installed in the lower extreme inner chamber of audio amplifier 1 through rotating the subassembly rotation.
The purpose that the driving sound amplifying assembly extends to the outer side of the upper end of the accommodating cavity 5 is achieved through the arrangement of the longitudinal telescopic rod 22, the volume of the external discharge is further improved, and in the rising process, the inner protection net belt 4 is driven to extend by the amplifier 18, so that the inner protection net belt 4 extends and covers the front end of the amplifier 18 to protect a horn port of the amplifier 18.
The telescopic section of the longitudinal telescopic rod 22 is provided with a supporting block 33, the supporting block 33 is propped against the lower end of the sound amplifying module 19, the lower end of the sound amplifying module 19 is provided with a right-angle side frame 23 which is attached to the outer wall, a pair of side bars 39 which are symmetrical front and back are arranged on the transverse plate at the lower end of the right-angle side frame 23, the vertical surface of the right-angle side frame 23 is provided with a transverse telescopic rod 24 which transversely penetrates through the sound box 1, the other end of the transverse telescopic rod 24 is sheathed on the guide rod 27 in a sliding way, the supporting block 33 is provided with a limiting groove 35 which is matched and spliced with the side bars 39, and the length of the side bars 39 is smaller than the telescopic length of the transverse telescopic rod 24;
the loudspeaker assembly is driven transversely by the transverse telescopic rod 24, the right-angle side frame 23 is made to slide transversely along the supporting block 33 during the transverse movement, and the side bars 39 are separated from contact with the limit grooves 35 during the sliding process, so that the loudspeaker assembly is supported on the guide rod 27 completely.
The upper end of supporting shoe 33 is provided with the through groove 34 that the inner contour is greater than right angle side bearer 23 lower extreme diaphragm, is provided with the spacing groove 35 that cooperates the grafting with side bar 39 on the lateral wall of through groove 34, and the one end of horizontal telescopic link 24 is fixed on the vertical board of right angle side bearer 23, and the other end of horizontal telescopic link 24 is provided with locking clamp 25, and locking clamp 25 sliding sleeve joint is on guide bar 27, and locking clamp 25 passes through the bolt lock.
The rising height is fixed through the locking clamp 25, so that the sound amplifying assembly is fixed on the guide rod 27, the inner contour of the through groove 34 is limited, the supporting block 33 is separated from the right-angle side frame 23, vibration generated by high noise of the amplifier 18 is prevented from directly acting on the sound module 2, and the stability of vertical installation of the sound box 1 is improved.
Example 2: on the basis of embodiment 1, the rotating assembly comprises a sliding rail 10, a pull rope 13, a spring 14 and a sliding block 11, the pull rope 13 is wound on the wind-up roller 8, the sliding rail 10 is transversely arranged in the inner cavity of the lower end of the sound box 1, the sliding block 11 is slidably mounted in the inner cavity of the sliding rail 10, one end of the pull rope 13 is fixed on the sliding block 11, and the spring 14 is pressed between the sliding block 11 and the side wall of the sliding rail 10.
In the stretching and extending process of the inner protection net belt 4, the winding roller 8 is driven to rotate forwards and wind the pull rope 13, the sliding block 11 slides laterally and extrudes the spring 14, when the longitudinal telescopic rod 22 descends and resets, the sliding block 11 is driven to slide laterally through the reset elastic force of the spring 14, the pull rope 13 is pulled and extended laterally, and then the winding roller 8 is driven to rotate reversely, so that the purpose of winding the inner protection net belt 4 is achieved.
Example 3: on the basis of embodiment 2, the upper end side wall of the protection inner cavity 6 is provided with a guide roller 15, the inner protection net belt 4 extends vertically upwards along the protection inner cavity 6 and is bent and extended smoothly along the guide roller 15 to the amplifier 18 and the amplifying module 19, and the inner protection net belt 4 is fixed on the upper end outer walls of the amplifier 18 and the amplifying module 19 through fastening screws 28.
The fixed connection between the inner protection mesh belt 4 and the loudspeaker assembly is achieved by fastening screws 28.
The upper end of the loudspeaker box 1 is provided with a pair of side plates 16 which are symmetrical front and back, limiting rollers 17 are transversely arranged on the side plates 16 in a sliding mode, a pressing groove 36 is transversely formed in the side wall of the lower end of the amplifier 18 in a penetrating mode, the amplifier 18 is driven by the longitudinal telescopic rod 22 to vertically ascend so that the pressing groove 36 faces the limiting rollers 17, the limiting rollers 17 are driven to be transversely pressed into the pressing groove 36, a sliding groove 20 which transversely extends is formed in the side plates 16 in a penetrating mode, the limiting rollers 17 are inserted into the sliding groove 20 in a penetrating mode in a sliding mode, lateral adjusting rods 30 which are driven to transversely extend and retract are connected to the front end and the rear end of the limiting rollers 17, and the other ends of the lateral adjusting rods 30 are fixed to the outer wall of the loudspeaker box 1.
The limiting roller 17 is driven to transversely slide by the lateral adjusting rod 30, so that the limiting roller 17 is pressed in the pressing groove 36, and in the lateral pressing process, the limiting roller 17 drives the obliquely extending inner protective net belt 4 to laterally slide, so that the inner protective net belt 4 is completely attached to the outer wall of the horn port of the amplifier 18, and complete coverage protection is carried out.
Example 4: on the basis of embodiment 3, a pair of inserting rods 37 which are vertically symmetrical are arranged on the side wall of the vertical plate of the right-angle side frame 23, a pair of lugs 38 are arranged on the outer wall of the fixed end of the transverse telescopic rod 24, reinforcing ribs with triangular sections are arranged on one side of the lugs 38, the lugs 38 are opposite to the inserting rods 37, and the inserting rods 37 are inserted into the lugs 38 in a penetrating manner through transverse driving of the transverse telescopic rod 24.
Through the drive of horizontal telescopic link 24 for inserted bar 37 and ear mount 38 cooperation are pegged graft, and then have improved the joint strength between public address subassembly and the horizontal telescopic link 24, avoid because public address subassembly self gravity causes the bending of down warping.
The loudspeaker box 1 is provided with an open slot 32, the transverse telescopic rod 24 moves vertically along the open slot 32, the loudspeaker box 1 is fixedly provided with a fixed pipe 29, the guide rod 27 is vertically and slidably inserted into the upper end of the fixed pipe 29, and the lower end of the fixed pipe 29 is provided with a lower telescopic supporting rod 12 which is vertically arranged.
The guide rod 27 is connected with the lower telescopic support rod 12 by the fixing tube 29, so that vibration is transmitted to the lower telescopic support rod 12, and the vibration is prevented from directly acting on the sound module 2.
According to the application method of the protection sound amplifying system matched with the outdoor sound equipment, the application method comprises the following steps of:
s1: during normal use, the sound amplifying assembly is positioned in the accommodating inner cavity 5, sound emitted by the sound module 2 is emitted through the sound amplifying module 19 and the amplifier 18, and the sound is emitted through the outer protective layer 3 and the inner protective net belt 4;
s2: when the device is used outdoors, the volume needs to be increased, the longitudinal telescopic rod 22 drives the amplifier 18 and the sound amplifying module 19 to ascend, the inner protective net belt 4 is driven to extend upwards during ascending, after ascending, the device is supported by the longitudinal telescopic rod 22 and then fixed by the locking clamp 25, and the transverse telescopic rod 24 drives the transverse movement, so that the amplifier 18 is separated from the longitudinal telescopic rod 22;
s3: the inner protective net belt 4 is driven to laterally squeeze through the lateral movement of the limit roller 17, so that the inner protective net belt 4 is attached to the horn port of the amplifier 18.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Protection public address system with outdoor stereo set looks adaptation, including protection public address system, its characterized in that: the protective public address system comprises:
the sound box comprises a sound box body (1), wherein the sound box body (2) is fixedly arranged in an inner cavity at the lower end of the sound box body (1), a storage inner cavity (5) is formed in the upper end of the sound box body (1), an outer protective layer (3) is arranged on one side wall of the sound box body (1), a protective inner cavity (6) is formed between the outer protective layer (3) and the storage inner cavity (5), a driving assembly is arranged on the other side of the sound box body (1), the driving assembly comprises a pair of pull rods (31) inserted into the inner cavity of the sound box body (1), a cross beam (26) is arranged at the upper end of the pull rods (31), and a guide rod (27) is vertically arranged in the middle of the lower end of the cross beam (26);
the sound amplifying assembly is arranged in the accommodating inner cavity (5) and comprises a sound amplifying module (19) and an amplifier (18), the sound amplifying module (19) is connected with the sound module (2) in a wireless mode, the amplifier (18) is fixed on one side of the sound amplifying module (19), the amplifier (18) is in a horn shape, and a horn mouth of the amplifier (18) is opposite to the protective inner cavity (6);
the adjusting assembly comprises a longitudinal telescopic rod (22) and a transverse telescopic rod (24), wherein the lower end of the longitudinal telescopic rod (22) is fixed in a storage inner cavity (5), a telescopic section of the longitudinal telescopic rod (22) is provided with a supporting block (33), the supporting block (33) is propped against the lower end of a sound amplifying module (19), the lower end of the sound amplifying module (19) is provided with a right-angle side frame (23) attached to the outer wall, a pair of side bars (39) which are symmetrical front and back are arranged on a lower end transverse plate of the right-angle side frame (23), a transverse telescopic rod (24) which transversely penetrates through the sound box (1) is arranged on a vertical surface of the right-angle side frame (23), the other end of the transverse telescopic rod (24) is sleeved on a guide rod (27) in a sliding mode, a limiting groove (35) which is matched and spliced with the side bars (39) is arranged on the supporting block (33), and the length of the side bars (39) is smaller than the telescopic length of the transverse telescopic rod (24);
the protection assembly comprises an inner protection net belt (4) and a wind-up roller (8), wherein the inner protection net belt (4) is vertically arranged in a protection inner cavity (6), the lower end of the inner protection net belt (4) is wound on the wind-up roller (8), the upper end of the inner protection net belt (4) is fixed on the outer wall of the upper end of the amplifier (18), and the wind-up roller (8) is rotatably arranged in the inner cavity of the lower end of the sound box (1) through a rotating assembly.
2. The protective sound amplification system adapted to an outdoor sound unit of claim 1, wherein: a pair of rollers (9) which are symmetrical front and back are arranged at one side of the lower end of the sound box (1), and a supporting bottom plate (7) is arranged at the other side of the lower end of the sound box (1).
3. The protective sound amplification system adapted to an outdoor sound unit of claim 1, wherein: the rotating assembly comprises a sliding rail (10), a pull rope (13), a spring (14) and a sliding block (11), the pull rope (13) is wound on the wind-up roll (8), the sliding rail (10) is transversely arranged in the inner cavity of the lower end of the sound box (1), the sliding block (11) is slidably mounted in the inner cavity of the sliding rail (10), one end of the pull rope (13) is fixed on the sliding block (11), and the spring (14) is pressed between the sliding block (11) and the side wall of the sliding rail (10).
4. A protective sound amplification system adapted to outdoor sound equipment according to claim 3, wherein: the upper end lateral wall of protection inner chamber (6) is provided with guide roll (15), interior protection guipure (4) are along the vertical upward extension of protection inner chamber (6) and along guide roll (15) smooth bending extension to amplifier (18) and public address module (19), interior protection guipure (4) are fixed on the upper end outer wall of amplifier (18) and public address module (19) through fastening screw (28).
5. The outdoor audio-adapted protective sound amplification system of claim 4, wherein: the upper end of audio amplifier (1) is provided with a pair of curb plate (16) of fore-and-aft symmetry, transversely slidable mounting has spacing roller (17) on curb plate (16), the lateral wall of lower extreme of amplifier (18) transversely runs through and is provided with indent (36), vertical rising of vertical telescopic link (22) drive amplifier (18) makes indent (36) just to spacing roller (17), drives spacing roller (17) at this moment and transversely presss from both sides in indent (36).
6. The outdoor audio-adapted protective sound amplification system of claim 5, wherein: the side plate (16) is provided with a transversely extending chute (20) in a penetrating mode, the limiting roller (17) is inserted into the chute (20) in a sliding mode, the front end and the rear end of the limiting roller (17) are connected with lateral adjusting rods (30) which are driven in a transversely telescopic mode, and the other ends of the lateral adjusting rods (30) are fixed to the outer wall of the loudspeaker box (1).
7. The protective sound amplification system adapted to an outdoor sound unit of claim 1, wherein: the upper end of supporting shoe (33) is provided with interior profile and is greater than penetrating groove (34) of right angle side bearer (23) lower extreme diaphragm, is provided with on the lateral wall of penetrating groove (34) and cooperates spacing groove (35) of pegging graft with side bar (39), the one end of horizontal telescopic link (24) is fixed on the vertical board of right angle side bearer (23), and the other end of horizontal telescopic link (24) is provided with locking clamp (25), locking clamp (25) slip cup joint on guide bar (27), and locking clamp (25) pass through the bolt locking.
8. The outdoor audio-adapted protective sound amplification system of claim 7, wherein: a pair of inserting rods (37) which are vertically symmetrical are arranged on the side wall of the vertical plate of the right-angle side frame (23), a pair of lug seats (38) are arranged on the outer wall of the fixed end of the transverse telescopic rod (24), reinforcing ribs with triangular sections are arranged on one sides of the lug seats (38), the lug seats (38) are opposite to the inserting rods (37), and the inserting rods (37) are inserted into the lug seats (38) in a penetrating mode through transverse driving of the transverse telescopic rod (24).
9. The outdoor audio-adapted protective sound amplification system of claim 8, wherein: be provided with open slot (32) on baffle box (1), horizontal telescopic link (24) are along the vertical elevating movement of open slot (32), and fixed pipe (29) are fixed to last fixed mounting of baffle box (1), guide bar (27) vertically slide and peg graft in the upper end of fixed pipe (29), and the lower extreme of fixed pipe (29) is provided with lower telescopic supporting rod (12) of vertical installation.
10. A method of using a protective sound amplification system adapted to outdoor sound according to any one of claims 1 to 9, wherein: the using method comprises the following steps:
s1: during normal use, the sound amplifying assembly is positioned in the accommodating inner cavity (5), sound emitted by the sound module (2) is emitted through the sound amplifying module (19) and the amplifier (18), and the sound passes through the outer protective layer (3) and the inner protective net belt (4);
s2: when the device is used outdoors, the volume is required to be increased, the amplifier (18) and the sound amplifying module (19) are driven to ascend by the longitudinal telescopic rod (22), the inner protective net belt (4) is driven to extend upwards during ascending, after ascending, the device is supported by the longitudinal telescopic rod (22) and then fixed by the locking clamp (25), and the amplifier (18) is separated from the longitudinal telescopic rod (22) by the transverse telescopic rod (24) in a driving way;
s3: the inner protective net belt (4) is driven to laterally squeeze through the transverse movement of the limiting roller (17), so that the inner protective net belt (4) is attached to the horn port of the amplifier (18).
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207117951U (en) * | 2017-06-24 | 2018-03-16 | 江西国宣广电科技有限公司 | A kind of high-power sound amplifier |
| CN208538467U (en) * | 2018-06-27 | 2019-02-22 | 比扬（天津）乐器制造股份有限公司 | A kind of musical instrument carrying device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207117951U (en) * | 2017-06-24 | 2018-03-16 | 江西国宣广电科技有限公司 | A kind of high-power sound amplifier |
| CN208538467U (en) * | 2018-06-27 | 2019-02-22 | 比扬（天津）乐器制造股份有限公司 | A kind of musical instrument carrying device |
Non-Patent Citations (1)
| Title |
|---|
| 矿用扩音设备结构声学设计方法;张健强;;煤炭技术(第03期);全文 * |
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