CN110012382B - A kind of circulating type outdoor audio group control system - Google Patents

A kind of circulating type outdoor audio group control system Download PDF

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Publication number
CN110012382B
CN110012382B CN201910431418.0A CN201910431418A CN110012382B CN 110012382 B CN110012382 B CN 110012382B CN 201910431418 A CN201910431418 A CN 201910431418A CN 110012382 B CN110012382 B CN 110012382B
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China
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fixed
plate
sound equipment
cavity
fixedly connected
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CN201910431418.0A
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Chinese (zh)
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CN110012382A (en
Inventor
樊宽江
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Guangzhou Donghao Electronic Co ltd
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Dongyang Russell Electronic Technology Co Ltd
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Priority to CN201910431418.0A priority Critical patent/CN110012382B/en
Publication of CN110012382A publication Critical patent/CN110012382A/en
Priority to GBGB1911037.8A priority patent/GB201911037D0/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Transmission Devices (AREA)

Abstract

The invention discloses a kind of circulating type outdoor audio group control systems, comprising: supporting mechanism comprising power supply, electromagnet, support shaft, thin plate, brace and bradyseism plate;Sound equipment regulating mechanism comprising support plate, drive bevel gear, circular block, oscillating rod and guide rod;Elevating mechanism comprising cylindrical piece, square item, ramp blocks, output shaft and cam;Sound equipment mechanism, it includes lifting groove, keynote sound, secondary sound equipment, bottom plate, bottom plate and long slab, present apparatus shell rain-proof can be moved easily and be transported by idler wheel when not in use, be changed to flexible pedestal when in use, reduce device self vibration, the height of internal sound equipment is adjusted, to change the height of sound in stable working, the front-rear position relationship that two sound equipments and keynote are rung can also be changed, to change the effect of device surround sound.

Description

A kind of circulating type outdoor audio group control system
Technical field
The present invention relates to a kind of circulating type outdoor audio group control systems, relate generally to field of audio.
Background technique
Sound equipment is a kind of for expanding the appliance for playing sound, and the music or voice played by sound equipment is generally possible to With better audibility, usually require to use multiple sound equipments in various performance or concert, and multiple sound equipments are total to It is mobile with sounding and carry and be more troublesome, and the placement position of sound equipment is for the sounding effect of sound equipment entirety, especially around standing Very big difference is had in terms of body sound, more strong vibration can be also generated in the sound equipment course of work, keeps sound equipment work uneven Surely.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of circulating type outdoor audio group control systems, and sound equipment is overcome to carry The problems such as trouble, sound equipment placement position sound equipment surround sound, sound equipment operation vibration is unstable.
The present invention is achieved through the following technical solutions.
A kind of circulating type outdoor audio group control system of the invention, including casing of sound equipment, supporting mechanism, elevating mechanism, Sound equipment regulating mechanism and sound equipment mechanism;
It is equipped with downward opening cavity in above-mentioned casing of sound equipment, is equipped with supporting mechanism, the supporting mechanism in the cavity Comprising power supply, electromagnet, support shaft, thin plate, brace and bradyseism plate, after the power supply is installed on the cavity with the electromagnet End wall, the power supply are connected with the electromagnet by the first electric wire, and the cavity aft bulkhead rotation is equipped with the support shaft, Four braces are symmetrically fixed in the support shaft, the brace lower end is equipped with idler wheel, controls described in two It is fixedly connected between brace by cross bar, is fixedly connected between two cross bars by thin bar, the support shaft left side fixation is set There is iron plate, the support shaft upper surface is fixed with short axle, and the short axle upper end is fixed with the thin plate, the thin plate upside Equipped with the bradyseism plate, the thin plate is fixedly connected with the bradyseism plate by four bradyseism springs;
Above-mentioned sound equipment regulating mechanism includes support plate, drive bevel gear, circular block, oscillating rod and guide rod, the support Plate is fixedly connected with the cavity aft bulkhead, and the upper end face of support plate rotation is equipped with transmission shaft, and fixation is set on the transmission shaft There is the drive bevel gear, the transmission shaft upper end is fixed with circular block, and the circular block upper end is fixed with guide pad, institute It states guide rod to be fixedly connected with the cavity aft bulkhead, the guide rod upper end rotation is equipped with oscillating rod, and the oscillating rod runs through The guide pad.
Further, above-mentioned elevating mechanism includes cylindrical piece, square item, ramp blocks, output shaft and cam, the cylindrical piece with The cavity aft bulkhead is fixedly connected, and cylinder groove is equipped in the cylindrical piece, and the cylinder groove right end wall rotation is equipped with left end position It is described in being fixed with cam and output gear on the output shaft in the output shaft in the cavity, the cavity Six square items are uniformly fixed on the end wall of cylinder groove, the upper surface of output shaft is equipped with vertical slots in the cylinder groove, described Vertical slots lower end wall is fixed with uprighting spring, and the uprighting spring upper end is fixed with ramp blocks.
Further, above-mentioned sound equipment mechanism includes lifting groove, keynote sound, secondary sound equipment, bottom plate, bottom plate and long slab, described Lifting groove is located in the cavity aft bulkhead, and sliding is located at the elevating lever in the cavity, institute equipped with front end in the lifting groove State elevating lever front end and be fixed with the keynote and ring, the keynote rings lower end surface and is fixed with the bottom plate, the bottom plate with The cavity aft bulkhead is fixedly connected, and sliding is equipped with the long slab in the bottom plate, and the long slab upper surface bilateral symmetry is solid Surely it is equipped with force rod, the right side force rod and the oscillating rod are rotatablely connected, and are fixed with the secondary noise on the force rod It rings, sliding is equipped with the guiding bar being fixedly connected with the cavity aft bulkhead in the secondary sound equipment, and the secondary sound equipment is close to the master The end face of sound equipment is fixed with driver plate.
Further, shifting chute is symmetrically arranged in above-mentioned cavity left hand end wall, sliding is equipped with mobile bar in the shifting chute, It is fixed with intermediate plate between two mobile bars, is equipped with plug on the upside of the intermediate plate, the plug passes through with the power supply Two middle springs are fixedly connected, and the cavity aft bulkhead is fixed with motor, the motor and the plug and passes through the second electricity Line is connected, and motor left end rotation in surface is equipped with drive shaft, and the drive shaft is equipped with hollow wheel gear and hollow bevel gear The hollow bevel gear and drive bevel gear engaged transmission, in the drive shaft equipped with opening up first stop slot with Second stops slot, is equipped with first pressure slot in the hollow bevel gear, the first pressure slot upper end wall is fixed with the first pressure Power spring, the first pressure lower spring end is fixed with first pressure block of the lower end in the first blocking slot, described hollow Gear and output gear engaged transmission, the hollow wheel gear is interior to be equipped with second pressure slot, the second pressure slot upper end wall Be fixed with second pressure spring, the second pressure lower spring end be fixed with lower end be located at described second stop in slot the Two pressure blocks.
Further, attraction can be generated after above-mentioned electromagnet is powered to the iron plate and makes the iron plate rotation and institute State electromagnet absorption.
Further, under above-mentioned ramp blocks and the cooperation of the shape of side's item, the output shaft is only unidirectional rotatable.
Further, the thin bar can be driven to rotate when above-mentioned support shaft rotates and the intermediate plate is pushed to rise, thus It drives the plug to rise to be inserted into the power supply, by the conduction of second electric wire so that the electrical power.
Further, the keynote can be pushed to ring when above-mentioned cam rotates to move up and down, pass through the bottom plate and the biography The transmission of movable plate can drive the secondary sound equipment to move up and down with keynote sound.
Beneficial effects of the present invention: present apparatus shell rain-proof can be moved easily and be transported by idler wheel when not in use, It is changed to flexible pedestal when in use, reduces device self vibration, the height of internal sound equipment is adjusted in stable working, from And change the height of sound, moreover it is possible to change the front-rear position relationship that two sound equipments and keynote are rung, to change device surround sound Effect.
Detailed description of the invention
It, below will be to embodiment or existing in order to illustrate more clearly of inventive embodiments or technical solution in the prior art Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only to invent Some embodiments for those of ordinary skill in the art without creative efforts, can also basis These attached drawings obtain other attached drawings.
Fig. 1 is a kind of schematic view of the front view of circulating type outdoor audio group control system entirety complete section of the present invention;
Fig. 2 is enlarged diagram at A in Fig. 1;
Fig. 3 is enlarged diagram at B in Fig. 1;
Fig. 4 is C-C direction schematic diagram in Fig. 1;
Fig. 5 is D-D direction schematic diagram in Fig. 1;
Fig. 6 is E-E direction schematic diagram in Fig. 2.
Specific embodiment
Below with reference to Fig. 1-6, the present invention is described in detail, wherein for sake of convenience, now to hereafter described orientation Provide as follows: hereafter described front-rear direction up and down is consistent with the front-rear direction up and down of Fig. 1 projection relation itself.
A kind of mechanical mechanism schematic diagram of circulating type outdoor audio group control system in conjunction with described in attached drawing 1-6, it is main to wrap Include casing of sound equipment 10, supporting mechanism 80, elevating mechanism 81, sound equipment regulating mechanism 82 and sound equipment mechanism 83.
It is equipped with downward opening cavity 21 in the casing of sound equipment 10, supporting mechanism 80 is equipped in the cavity 21, it is described Supporting mechanism 80 includes power supply 15, electromagnet 35, support shaft 36, thin plate 43, brace 41 and bradyseism plate 12, the power supply 15 and institute It states electromagnet 35 and is installed on 21 aft bulkhead of cavity, the power supply 15 is connected with the electromagnet 35 by the first electric wire 34 Logical, 21 aft bulkhead of the cavity rotation is equipped with the support shaft 36, is symmetrically fixed with four institutes in the support shaft 36 Brace 41 is stated, 41 lower end of brace is equipped with idler wheel 40, is fixedly connected between two braces 41 in left and right by cross bar 39, two It is fixedly connected between a cross bar 39 by thin bar 37,36 left side of support shaft is fixed with iron plate 38, the support shaft 36 upper surfaces are fixed with short axle 42, and 42 upper end of short axle is fixed with the thin plate 43, is equipped with institute on the upside of the thin plate 43 Bradyseism plate 12 is stated, the thin plate 43 is fixedly connected with the bradyseism plate 12 by four bradyseism springs 33;
The sound equipment regulating mechanism 82 includes support plate 66, drive bevel gear 65, circular block 27, oscillating rod 25 and guide rod 26, the support plate 66 is fixedly connected with 21 aft bulkhead of cavity, and 66 upper surface of the support plate rotation is equipped with transmission shaft 28, The drive bevel gear 65 is fixed on the transmission shaft 28,28 upper end of transmission shaft is fixed with circular block 27, described 27 upper end of circular block is fixed with guide pad 71, and the guide rod 26 is fixedly connected with 21 aft bulkhead of cavity, the guiding The rotation of 26 upper end of bar is equipped with oscillating rod 25, and the oscillating rod 25 runs through the guide pad 71.
The elevating mechanism 81 includes cylindrical piece 50, square item 48, ramp blocks 49, output shaft 45 and cam 44, the cylinder Block 50 is fixedly connected with 21 aft bulkhead of cavity, and opening is equipped in the cylindrical piece 50 towards left cylinder groove 47, the cylinder The rotation of 47 right end wall of slot is equipped with left end and is located at the output shaft 45 in the cavity 21, the output shaft in the cavity 21 Cam 44 and output gear 46 are fixed on 45, the output gear 46 is located at 44 right side of cam, the cylinder groove 47 End wall on be uniformly fixed with six square items 48, the upper surface of output shaft 45 is equipped with upper end wall and is connected to institute in the cylinder groove 47 The vertical slots 52 of cylinder groove 47 are stated, 52 lower end wall of vertical slots is fixed with uprighting spring 51,51 upper end of uprighting spring It is fixed with ramp blocks 49.
22, secondary sound equipment 20, bottom plate 24, bottom plate 16 and long slab 17 ring comprising lifting groove 23, keynote in the sound equipment mechanism 83, The lifting groove 23 is located in 21 aft bulkhead of cavity and opening is facing forward, and the interior sliding of the lifting groove 23 is equipped with front end and is located at institute The elevating lever 70 in cavity 21 is stated, 70 front end of elevating lever is fixed with the keynote and rings 22, and the keynote rings 22 lower end surfaces It is fixed with the bottom plate 24, the bottom plate 16 is fixedly connected with 21 aft bulkhead of cavity, sliding in the bottom plate 16 Equipped with the long slab 17,17 upper surface of the long slab bilateral symmetry is fixed with force rod 18, the right side force rod 18 and institute The rotation connection of oscillating rod 25 is stated, the secondary sound equipment 20 is fixed on the force rod 18, sliding is equipped in the secondary sound equipment 20 The guiding bar 69 being fixedly connected with 21 aft bulkhead of cavity, the secondary sound equipment 20 are set close to the end face fixation that the keynote rings 22 There is driver plate 19, the driver plate 19 is located at 24 upside of bottom plate.
Shifting chute 30, end wall of the shifting chute 30 close to the cavity 21 are symmetrically arranged in 21 left hand end wall of cavity It is connected to the cavity 21, sliding is equipped with mobile bar 31 in the shifting chute 30, is fixed with centre between two mobile bars 31 Plate 32, plug 13 is equipped on the upside of the intermediate plate 32, and the plug 13 is fixed by two middle springs 14 with the power supply 15 Connection, 21 aft bulkhead of cavity are fixed with motor 67, and the motor 67 is connected with the plug 13 by the second electric wire 29 Logical, the 67 left end rotation in surface of motor is equipped with drive shaft 60, and the drive shaft 60 is equipped with hollow wheel gear 58 and hollow cone tooth Wheel 59, the hollow bevel gear 59 are located at 58 right side of hollow wheel gear, the hollow bevel gear 59 and the drive bevel gear 65 engaged transmissions, the drive shaft 60 is interior to stop slot 61 and second to stop slot 57, first resistance equipped with opening up first Retaining groove 61 is located at described second and stops 57 right side of slot, and first pressure slot 63, first pressure are equipped in the hollow bevel gear 59 63 upper end wall of power slot is fixed with first pressure spring 64, and 64 lower end of first pressure spring is fixed with lower end positioned at first Stop the first pressure block 62 in slot 61, the hollow wheel gear 58 and 46 engaged transmission of output gear, the hollow wheel gear Second pressure slot 55 is equipped in 58,55 upper end wall of second pressure slot is fixed with second pressure spring 53, second pressure 53 lower end of power spring is fixed with the second pressure block 56 that lower end is located in the second blocking slot 57.
The electromagnet 35 attraction can be generated after being powered to the iron plate 38 and make the rotation of iron plate 38 with it is described Electromagnet 35 adsorbs.
For the ramp blocks 49 under the shape cooperation of side's item 48, the output shaft 45 is only unidirectional rotatable.
The support shaft 36 can drive the thin bar 37 to rotate and the intermediate plate 32 is pushed to rise when rotating, to drive The plug 13, which rises, to be inserted into the power supply 15, by the conduction of second electric wire 29 so that the motor 67 is powered.
The cam 44 can push the keynote to ring 22 and move up and down when rotating, pass through the bottom plate 24 and the driver plate 19 transmission can drive the secondary sound equipment 20 to ring 22 with the keynote and move up and down.
The sequence of the mechanical action of whole device:
(1) it may make device to move freely on the ground by four rolling 40, facilitate carrying.
(2) when needing use device, device is taken in one's arms, startup power supply 15, by the conduction of the first electric wire 34 so that electricity Magnet 35, which is powered, generates magnetic force, and electromagnet 35 attracts iron plate 38, drives the rotation of iron plate 38 to absorption electromagnet 35, to drive branch It supports axis 36 and rotates 180 degree, support shaft 36 drives bradyseism plate 12 to rotate 180 degree to bottom, and thin bar 37 is with support shaft 36 rotations, push intermediate plate 32 to rise, to drive plug 13 to be inserted into power supply 15, by the conduction of the second electric wire 29 so that electricity Machine 67 is powered.
(3) device is put down, starting keynote rings 22 and time sound equipment 20, and when use starts motor 67, and drive shaft 60 is driven to revolve Turn, drive shaft 60 drives hollow wheel gear 58 to rotate in this direction, does not drive hollow cone gear 59 to rotate, passes through hollow wheel gear 58 with the engaged transmission of output gear 46, drive output gear 46 to rotate, output gear 46 drives the rotation of output shaft 45, thus band Moving cam 44 rotates, and the rotation of cam 44 drives keynote to ring 22 and moves up and down, and keynote rings 22 and time sound equipment 20 is driven to move up and down together, To make regulating device issue the height of audio.
(4) reverse starting motor 67, drives drive shaft 60 to rotate, and drive shaft 60 drives hollow bevel gear in this direction 59 rotations, do not drive hollow wheel gear 58 to rotate, and by the engaged transmission of hollow bevel gear 59 and drive bevel gear 65, drive transmission Bevel gear 65 rotates, and drive bevel gear 65 drives transmission shaft 28 to rotate, and circular block 27 is rotated with transmission shaft 28, drives with guide rod 26 be axle center swing, so that long slab 17 be driven to move forward and backward in bottom plate 16, changes time sound equipment 20 with keynote and rings 22 Longitudinal separation changes the circular stereo sound effect of device.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow be familiar with this field technology Personage can understand the content of present invention and be implemented, and it is not intended to limit the scope of the present invention.It is all according to the present invention Equivalent change or modification made by Spirit Essence, should be covered by the scope of protection of the present invention.

Claims (8)

1. a kind of circulating type outdoor audio group control system, including casing of sound equipment, supporting mechanism, elevating mechanism, sound equipment adjust machine Structure and sound equipment mechanism, it is characterised in that:
It is equipped with downward opening cavity in above-mentioned casing of sound equipment, is equipped with supporting mechanism in the cavity, the supporting mechanism includes Power supply, electromagnet, support shaft, thin plate, brace and bradyseism plate, the power supply and the electromagnet are installed on the cavity rear end Wall, the power supply are connected with the electromagnet by the first electric wire, and the cavity aft bulkhead rotation is equipped with the support shaft, institute It states and is symmetrically fixed with four braces in support shaft, the brace lower end is equipped with idler wheel, and left and right two is described tiltedly It is fixedly connected between bar by cross bar, is fixedly connected between two cross bars by thin bar, the support shaft left side is fixed with Iron plate, the support shaft upper surface are fixed with short axle, and the short axle upper end is fixed with the thin plate, sets on the upside of the thin plate There is the bradyseism plate, the thin plate is fixedly connected with the bradyseism plate by four bradyseism springs;
Above-mentioned sound equipment regulating mechanism include support plate, drive bevel gear, circular block, oscillating rod and guide rod, the support plate with The cavity aft bulkhead is fixedly connected, and the upper end face of support plate rotation is equipped with transmission shaft, is fixed with institute on the transmission shaft Drive bevel gear is stated, the transmission shaft upper end is fixed with circular block, and the circular block upper end is fixed with guide pad, described to lead It is fixedly connected to bar with the cavity aft bulkhead, the guide rod upper end rotation is equipped with oscillating rod, and the oscillating rod is through described Guide pad.
2. a kind of circulating type outdoor audio group control system according to claim 1, it is characterised in that: above-mentioned elevator Structure includes cylindrical piece, square item, ramp blocks, output shaft and cam, and the cylindrical piece is fixedly connected with the cavity aft bulkhead, described Cylinder groove is equipped in cylindrical piece, the cylinder groove right end wall rotation is equipped with left end and is located at the output shaft in the cavity, institute It states and is fixed with cam and output gear on the output shaft in cavity, be uniformly fixed with six on the end wall of the cylinder groove A side's item, the upper surface of output shaft is equipped with vertical slots in the cylinder groove, and the vertical slots lower end wall is fixed with uprighting spring, The uprighting spring upper end is fixed with ramp blocks.
3. a kind of circulating type outdoor audio group control system according to claim 2, it is characterised in that: above-mentioned sounder Structure includes that lifting groove, keynote sound, secondary sound equipment, bottom plate, bottom plate and long slab, the lifting groove are located in the cavity aft bulkhead, Sliding is located at the elevating lever in the cavity equipped with front end in the lifting groove, and the elevating lever front end is fixed with the keynote It rings, the keynote rings lower end surface and is fixed with the bottom plate, and the bottom plate is fixedly connected with the cavity aft bulkhead, the bottom Sliding is equipped with the long slab in portion's plate, and the long slab upper surface bilateral symmetry is fixed with force rod, the right side force rod with Oscillating rod rotation connection is fixed with the secondary sound equipment on the force rod, in the secondary sound equipment sliding be equipped with it is described The guiding bar that cavity aft bulkhead is fixedly connected, the secondary sound equipment are fixed with driver plate close to the end face that the keynote is rung.
4. a kind of circulating type outdoor audio group control system according to claim 2, it is characterised in that: above-mentioned cavity is left It is symmetrically arranged with shifting chute in right end wall, in the shifting chute sliding is equipped with mobile bar, is fixed between two mobile bars Between plate, be equipped with plug on the upside of the intermediate plate, the plug is fixedly connected with the power supply by two middle springs, the appearance Cavity rear end wall is fixed with motor, and the motor is connected with the plug by the second electric wire, turns in the motor left side Dynamic to be equipped with drive shaft, the drive shaft is equipped with hollow bevel gear described in hollow wheel gear and hollow bevel gear and tooth is bored in the transmission Wheel engaged transmission stops slot and the second blocking slot equipped with opening up first in the drive shaft, in the hollow bevel gear Equipped with first pressure slot, the first pressure slot upper end wall is fixed with first pressure spring, the first pressure lower spring end It is fixed with first pressure block of the lower end in the first blocking slot, the hollow wheel gear and output gear engaged transmission, It is equipped with second pressure slot in the hollow wheel gear, the second pressure slot upper end wall is fixed with second pressure spring, and described the Two compression spring lower ends are fixed with the second pressure block that lower end is located in the second blocking slot.
5. a kind of circulating type outdoor audio group control system according to claim 1, it is characterised in that: above-mentioned electromagnet Attraction can be generated after energization to the iron plate and the iron plate rotation is adsorbed with the electromagnet.
6. a kind of circulating type outdoor audio group control system according to claim 2, it is characterised in that: above-mentioned ramp blocks Under the shape cooperation of side's item, the output shaft is only unidirectional rotatable.
7. a kind of circulating type outdoor audio group control system according to claim 4, it is characterised in that: above-mentioned support shaft The thin bar can be driven to rotate when rotation and the intermediate plate is pushed to rise, so that driving the plug to rise is inserted into the power supply It is interior, by the conduction of second electric wire so that the electrical power.
8. a kind of circulating type outdoor audio group control system according to claim 3, it is characterised in that: above-mentioned cam rotation The keynote can be pushed to ring when turning to move up and down, by the transmission of the bottom plate and the driver plate can drive the secondary sound equipment with The keynote sound moves up and down together.
CN201910431418.0A 2019-05-22 2019-05-22 A kind of circulating type outdoor audio group control system Active CN110012382B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201910431418.0A CN110012382B (en) 2019-05-22 2019-05-22 A kind of circulating type outdoor audio group control system
GBGB1911037.8A GB201911037D0 (en) 2019-05-22 2019-08-02 A surround sound outdoor audio group control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910431418.0A CN110012382B (en) 2019-05-22 2019-05-22 A kind of circulating type outdoor audio group control system

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CN110012382A CN110012382A (en) 2019-07-12
CN110012382B true CN110012382B (en) 2019-11-19

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GB (1) GB201911037D0 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113311367A (en) * 2021-06-04 2021-08-27 张晓彤 Electrical experiment table wiring correct and incorrect monitoring system

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US10129621B2 (en) * 2015-12-10 2018-11-13 D&B Audiotechnik Gmbh Connection device for loudspeaker boxes, arrangement of loudspeaker boxes suspended below one another, and method and transport cart for setting up the arrangement
CN208522915U (en) * 2018-07-09 2019-02-19 常州信息职业技术学院 A kind of multimedia loudspeaker box easy to remove
CN208724133U (en) * 2018-08-23 2019-04-09 新昌县聚凯宝农业发展有限公司 A kind of mobile audio frame of performance

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US10129621B2 (en) * 2015-12-10 2018-11-13 D&B Audiotechnik Gmbh Connection device for loudspeaker boxes, arrangement of loudspeaker boxes suspended below one another, and method and transport cart for setting up the arrangement
CN207589080U (en) * 2017-11-14 2018-07-06 南京众慧网络科技有限公司 A kind of novel floor-type combination audio pedestal for placed
CN208522915U (en) * 2018-07-09 2019-02-19 常州信息职业技术学院 A kind of multimedia loudspeaker box easy to remove
CN208724133U (en) * 2018-08-23 2019-04-09 新昌县聚凯宝农业发展有限公司 A kind of mobile audio frame of performance

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Effective date of registration: 20191025

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Address before: No. 46, Dawukou, Xiachengli Village, Hulu Town, Dongyang City, Jinhua City, Zhejiang Province, 322100

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Country or region before: Zhong Guo