CN112449273B - Sound equipment for teaching learning - Google Patents
Sound equipment for teaching learning Download PDFInfo
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- CN112449273B CN112449273B CN202011114071.6A CN202011114071A CN112449273B CN 112449273 B CN112449273 B CN 112449273B CN 202011114071 A CN202011114071 A CN 202011114071A CN 112449273 B CN112449273 B CN 112449273B
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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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Electrically Operated Instructional Devices (AREA)
Abstract
The invention discloses sound equipment for teaching learning, which comprises sound and a wall body, wherein the wall body is a C-shaped wall body, a right concave part of the wall body is a cavity, the sound is arranged in the cavity, and the sound is tightly attached to the wall body through the cavity; the wall body comprises an upper top plate, a lower top plate and side plates, wherein the side plates are arranged between the upper top plate and the lower top plate, a first telescopic rod and a second telescopic rod are respectively arranged between the side plates and the sound equipment, the first telescopic rod and the second telescopic rod are identical in structure, one end of the first telescopic rod is fixedly arranged on the upper portion of the side plate, and the other end of the first telescopic rod is fixedly arranged on the upper portion of the sound equipment. According to the invention, the sound box and the wall body are designed together, so that the safety of the sound box is ensured, the service life of the sound box is prolonged, the space utilization rate of a classroom is increased, the sound quality of the sound box is better ensured by the module design of the sound box, the class listening effect of students is improved, and the invention is effective and practical.
Description
Technical Field
The invention relates to the field of sound equipment, in particular to sound equipment for teaching learning.
Background
The sound system is that the microphone is used to convert the sound wave signal of the original sound field sound into electric signal, the electric signal is processed by some electronic devices according to certain requirements, and finally the loudspeaker is used to convert the electric signal into sound wave signal for reproduction, and the whole structure from the microphone to the loudspeaker is the sound system.
Along with the progress and development of science and technology, stereo set gradually becomes one of the indispensable equipment in our life, and teacher also often will use stereo set when class, and the stereo set that is used for the classroom on the market now generally is bulky, if hangs stereo set in the eminence, not only has the security risk, still influences the inside space utilization condition of classroom simultaneously, influences pleasing to the eye, if place it on the ground, then the condition that often takes place to stumble when the student is in class, and damages the stereo set easily.
In view of the situation, we design an audio device for teaching learning, which not only needs to improve the space utilization rate of classrooms and improve the safety of the audio, but also needs to optimize the use effect of the audio in the classrooms, which is a problem to be solved.
Disclosure of Invention
An object of the present invention is to provide an audio apparatus for teaching learning to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a sound equipment for teaching study, sound equipment includes stereo set and wall body, the wall body is C type wall body, the right side depressed part of wall body is the cavity, the stereo set is installed in the cavity, the stereo set is closely laminated with the wall body.
The invention designs the C-shaped wall body, the wall body is slightly inclined, the sound is placed in the cavity on the right side of the wall body, when the sound is closed, the sound can be retracted into the cavity, the space waste caused by the sound is reduced, meanwhile, the situation that students trip over the sound when walking can be avoided, the space utilization of classrooms is effectively improved, and the damage rate of the sound is greatly reduced.
More optimally, the wall body comprises an upper top plate, a lower top plate and side plates, wherein the side plates are arranged between the upper top plate and the lower top plate, a first telescopic rod and a second telescopic rod are respectively arranged between the side plates and the sound equipment, the first telescopic rod and the second telescopic rod have the same structure, one end of the first telescopic rod is fixedly arranged on the upper part of the side plates, and the other end of the first telescopic rod is fixedly arranged on the upper part of the sound equipment; one end of the second telescopic rod is fixedly arranged at the bottom of the side plate, and the other end of the second telescopic rod is fixedly arranged at the bottom of the sound box; the side surface of the side plate facing the sound equipment is respectively provided with a first fixing piece and a second fixing piece, the first fixing piece is matched and fixed with the first telescopic rod, and the second fixing piece is matched and fixed with the second telescopic rod; the side surface of the sound box, which faces the side plate, is respectively provided with a third fixing piece and a fourth fixing piece, the third fixing piece is matched and fixed with the first telescopic rod, and the fourth fixing piece is matched and fixed with the second telescopic rod; the stereo set includes audio receiving module, control mainboard, audio processing module, play module and power module, audio receiving module, control mainboard, audio processing module and play module are connected with power module electricity respectively, audio receiving module, control mainboard, audio processing module and play module are electric connection in proper order, control mainboard and play module electricity are connected.
According to the invention, the first telescopic rod and the second telescopic rod are designed, so that the inclination angle and the extension distance of the sound can be freely adjusted through the first telescopic rod and the second telescopic rod, the position of the sound can be conveniently adjusted, and the sound quality requirement of the sound is ensured; when first telescopic link and second telescopic link are elongated to be adjusted suitable position, we can fix first telescopic link through first mounting, third mounting, fix the second telescopic link through second mounting, fourth mounting, and this kind of design not only can provide holding power for the stereo set, guarantees that the stereo set can steadily work, has improved the life of first telescopic link, second telescopic link moreover, has higher economic benefits.
The audio receiving module, the control main board, the playing module and the like are designed in the audio, the audio is received through the audio receiving module, the control main board analyzes whether the received audio needs to be processed, if yes, the audio is processed through the audio processing module, then the audio is played through the playing module, and if not, the audio is directly played through the playing module. The invention can automatically identify the quality of the audio, judge whether the audio can be directly played according to the quality of the audio, avoid the occurrence of the audio with repeated processing and effectively improve the running speed of the sound equipment.
More optimally, the first fixing piece and the second fixing piece have the same structure, the first fixing piece comprises a first fixing device and a second fixing device, the first fixing device and the second fixing device are respectively arranged at two sides of a first telescopic rod, the first fixing device comprises a first telescopic part and a first clamping part, and one end of the first telescopic part is fixedly arranged with the first clamping part; the second fixing device comprises a second telescopic part and a second clamping part, one end of the second telescopic part is fixedly installed with the second clamping part, the first clamping part and the second clamping part are respectively installed at two sides of the first telescopic rod, one fixed end of the first telescopic rod, which is fixed with the side plate, is provided with a plurality of first grooves, and the first fixing device and the first telescopic rod are fixed through the cooperation of the first clamping part and the first grooves; the second fixing device is fixed with the first telescopic rod through the cooperation of the second clamping part and the first groove; the audio receiving module comprises a wireless module, a plurality of peripheral audio interfaces and a Bluetooth module, wherein the Bluetooth module comprises a first Bluetooth module and a second Bluetooth module, the first Bluetooth module and the second Bluetooth module are respectively connected with a network through the wireless module, the control main board comprises a processor, an output module and a storage area, the output module comprises a first output module and a second output module, the first Bluetooth module, the second Bluetooth module and the plurality of peripheral audio interfaces are respectively electrically connected with the processor, the processor is respectively electrically connected with the first output module, the second output module and the storage area, the first output module and the storage area are respectively electrically connected with a playing module, and the second output module, the audio processing module and the playing module are sequentially electrically connected.
According to the invention, the first clamping device and the second clamping device are designed, the first telescopic part in the first clamping device can control the distance between the first clamping part and the first telescopic rod, when the first telescopic rod stretches, the first clamping part is far away from the first telescopic rod, when the first telescopic rod stops moving, the first clamping part clamps the first groove, and similarly, the working principle of the second clamping device is the same, and the first clamping part and the second clamping part simultaneously clamp the first groove, so that the stability of the first telescopic rod can be effectively improved, and the sound equipment can play proper audio smoothly.
According to the invention, a plurality of peripheral audio interfaces are designed, a teacher can upload the required audio through the peripheral audio interfaces to play, meanwhile, the wireless module can be connected through the network, the first Bluetooth module and the second Bluetooth module receive the required audio and play, the application range is wider, and meanwhile, the teacher can transmit a plurality of audio, so that the audio transmission time is reduced, and the working efficiency is improved.
The processor can control the operation of the whole sound equipment, monitor the cooperation work among all modules, and the storage area can store the effective audio received in the whole sound equipment and carry out intelligent classification according to the use frequency, the use time and the storage time of the audio; the first output module and the second output module can intelligently judge the received audio, the audio output by the first output module can be directly played, and the audio output by the second output module is played after further processing.
More preferably, the first bluetooth module comprises a first receiving module and a first storage module, the first receiving module is electrically connected with the first storage module, the second bluetooth module comprises a second receiving module and a second storage module, the second receiving module is electrically connected with the second storage module, the first receiving module and the second receiving module are respectively connected with the network through wireless modules, and the first receiving module and the second receiving module are respectively electrically connected with the processor; the audio processing module comprises a signal amplifying module, a power amplifying module and a third output module, wherein the second output module is electrically connected with the signal amplifying module, and the signal amplifying module, the power amplifying module and the third output module are electrically connected in sequence; the playing module comprises a volume adjusting module, a tone quality adjusting module and a player, the first output module and the storage area are respectively and electrically connected with the volume adjusting module, the tone quality adjusting module and the player are sequentially and electrically connected, and the third output module is electrically connected with the volume adjusting module; the player comprises a plurality of horns, and the horns are respectively arranged on the side face of the sound equipment.
The audio processing module can amplify the audio signal, enhance the audio power, and perform operations such as noise reduction and noise removal on the audio, so that the quality of the played audio is improved; the playing module can finely adjust the volume and tone quality of the audio, and simultaneously plays the audio through the loudspeaker.
More optimally, the first telescopic part and the second telescopic part have the same structure, the first telescopic part comprises a first supporting shaft, a second supporting shaft and a movable connecting piece, the movable connecting piece is arranged between the first supporting shaft and the second supporting shaft, the first clamping part is fixed on one side of the second supporting shaft, the movable connecting piece comprises a plurality of scissor units, the plurality of scissor units are respectively a first scissor unit, a second scissor unit and a third scissor unit, the first scissor unit, the second scissor unit and the third scissor unit are hinged in sequence from left to right, and the third scissor unit is fixed with the second supporting shaft; the structure of the first shearing fork unit, the structure of the second shearing fork unit and the structure of the third shearing fork unit are the same, the first shearing fork unit comprises a first connecting arm and a second connecting arm, the middle parts of the first connecting arm and the second connecting arm are fixed in a crossing mode, a first fixed seat and a movable seat are respectively arranged between the first supporting shaft and the first shearing fork unit, the first connecting arm is fixedly arranged with the first fixed seat, the second connecting arm is movably arranged with the movable seat, a first oil cylinder is arranged between the first fixed seat and the movable seat, and the piston end of the first oil cylinder is fixed with the second connecting arm; the lower end of the first oil cylinder is provided with a first motor, and the first motor controls the movement of the first oil cylinder.
More optimally, the first clamping part and the second clamping part have the same structure, the first clamping part comprises a plurality of clamping units, each clamping unit comprises a connecting part and a protruding part, the connecting parts are respectively fixed with the second supporting shaft, the protruding parts are fixedly arranged on one side of the connecting parts, and the first clamping part and the first telescopic rod are respectively arranged in a matched mode through the protruding parts and the first grooves.
According to the invention, the first telescopic part works by matching the plurality of scissor units, the first oil cylinder can provide power, the distance between the first clamping part and the first telescopic rod is controlled by stretching and retracting the scissor units, the front end of the first clamping part is provided with the protruding part, the protruding part can clamp the first groove to fix the first telescopic rod, and the telescopic device has the advantages of simple structure, reasonable design and excellent effect.
The first oil cylinder is controlled by the first motor, is a common hydraulic oil cylinder in the market, works through a hydraulic system, and has low cost and excellent effect.
More optimally, the third fixing piece and the fourth fixing piece have the same structure, the third fixing piece comprises a plurality of connecting units, the connecting units are respectively arranged around the first telescopic rod, each connecting unit comprises a second fixing seat and a plurality of hooks, and the hooks are respectively arranged on the second fixing seat; the one end that first telescopic link and stereo set are fixed is provided with a plurality of second recesses, through claw, second recess cooperation fixed between third mounting and the first telescopic link.
The invention also designs a third fixing piece and a fourth fixing piece, and the second groove is clamped by the hook claw, so that the first telescopic rod and the second telescopic rod are fixed, and the stability of the sound is further ensured.
More optimally, the sound box further comprises a sound recording module and a touch display screen, and the sound recording module and the touch display screen are respectively and electrically connected with the processor.
The invention also designs the recording module, when a teacher takes class, the recording module can be started to record in real time, recorded audio is stored in the storage area, and the teacher can directly inquire and recover the content in class, so that the invention is effective and practical; meanwhile, the touch display screen is provided with corresponding operation buttons, and a teacher can directly control the function operation of the whole sound equipment through the operation buttons.
More optimally, a plurality of driving devices are arranged in the side plates, each driving device comprises a second motor and a second oil cylinder, the second motor is arranged on one side of each second oil cylinder, the second motor controls the second oil cylinders to move, and piston ends of the second oil cylinders are respectively fixed with the corresponding first telescopic rods and second telescopic rods.
According to the invention, the telescopic movement of the first telescopic rod and the second telescopic rod can be controlled through the driving device, so that the sound equipment can work smoothly; the second oil cylinder is a common multi-stage telescopic oil cylinder in the market, the second motor provides power and controls movement, and the design key point of the invention is not described in detail herein.
More optimally, dust plates are respectively arranged between the loudspeaker and the wall body, a plurality of cameras are arranged on one side of the upper top plate, and a handle is arranged at the upper end of the sound equipment.
The invention is provided with the plurality of dust-proof plates, so that dust can be prevented from entering the loudspeaker, the service life of the loudspeaker is prolonged, the sound can work smoothly, and the audio playing effect can be ensured; the invention also designs the camera, which can collect the classroom image of the teacher in real time, so that the students can review after the lessons.
Compared with the prior art, the invention has the beneficial effects that: when the invention is used, firstly, the needed audio is uploaded through the peripheral audio interface, or the audio is uploaded through the cooperation of the wireless module, the first Bluetooth module and the second Bluetooth module, the audio is transmitted to the processor, and the audio is analyzed and processed by the processor and stored in the storage area; when the stereo set is in class, the stretching distance of the first telescopic rod and the stretching distance of the second telescopic rod are respectively adjusted through the driving device, so that the stereo set can work at a proper position, after adjustment, the first fixing piece and the third fixing piece are respectively clamped at two ends of the first telescopic rod, the second fixing piece and the fourth fixing piece are respectively clamped at two ends of the second telescopic rod, and the stereo set is ready to work; when a teacher needs to play the audio, the teacher can input instructions through the touch display screen, the instructions are processed by the processor, the corresponding audio is called out, the processor is used for judging whether secondary processing is needed, if so, the instruction enters the audio processing module through the second output module, and if not, the instruction is directly played through the playing module; the audio frequency entering the audio frequency processing module can be processed and adjusted through the signal amplifying module and the power amplifying module, and is output and played through the third output module; the play module can also freely adjust the volume of the audio and select the tone quality of the audio, so as to ensure the class listening effect of students.
When the stereo set stops working, first telescopic link, second telescopic link withdraw, and the stereo set gets into the cavity, has effectively improved space utilization.
The invention designs the sound equipment for teaching learning, designs the sound and the wall body together, ensures the safety of the sound, prolongs the service life of the sound, increases the space utilization rate of classrooms, better ensures the tone quality of the sound through the module design of the sound, improves the class listening effect of students, and is effective and practical.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
Fig. 1 is a schematic diagram showing the overall structure of an acoustic apparatus for teaching learning according to the present invention;
FIG. 2 is a schematic diagram of the overall modules of a sound for teaching learning of the sound device of the present invention;
FIG. 3 is a schematic view of a portion of a sound module of an audio device for teaching learning in accordance with the present invention;
FIG. 4 is a schematic diagram of an audio receiving module of an audio device for teaching learning according to the present invention;
FIG. 5 is a schematic diagram of a control motherboard of an audio device for teaching learning according to the present invention;
FIG. 6 is a schematic diagram of an audio processing module of an audio device for teaching learning in accordance with the present invention;
FIG. 7 is a schematic diagram of a playback module of an audio device for teaching learning according to the present invention;
fig. 8 is a schematic view of the side of an audio facing side plate of an audio apparatus for teaching learning according to the present invention;
fig. 9 is a schematic view of a side panel of an audio apparatus for teaching learning facing an audio side of the present invention;
fig. 10 is a schematic structural view of a first fixing member of an audio apparatus for teaching learning according to the present invention;
FIG. 11 is a schematic diagram showing a first fixing member of an audio device for teaching learning according to the second embodiment of the present invention;
fig. 12 is a schematic structural view of a first fixing device of an audio apparatus for teaching learning according to the present invention;
fig. 13 is a schematic view of a first telescopic rod structure of an audio apparatus for teaching learning according to the present invention.
In the figure: 1-wall, 11-upper top plate, 12-side plate, 121-driving device, 1211-second motor, 1212-second cylinder, 13-lower top plate, 14-cavity, 15-dust-proof plate, 2-sound, 21-handle, 22-horn, 3-first telescopic rod, 31-first groove, 32-second groove, 4-second telescopic rod, 5-third fixing piece, 51-connecting unit, 511-hook, 512-second fixing seat, 6-fourth fixing piece, 7-first fixing piece, 71-first fixing device, 711-first telescopic part, 7111-first motor, 7112-first cylinder, 7113-first supporting shaft, 7114-movable seat, 7115-movable connecting piece, 7116-second supporting shaft, 7117-first fixing seat, 7118-first scissors unit, 71181-second connecting arm, 71182-first connecting arm, 7119-second scissors unit, 20-third scissors unit, 712-first clamping part, 7121-first clamping part, 21-second clamping part, 7184-second clamping part, 3521-second clamping part, 3572-second telescopic part, and fixing device.
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.
An audio device for teaching study, the audio device includes stereo set 2 and wall body 1, wall body 1 is C type wall body, the right side depressed part of wall body 1 is cavity 14, stereo set 2 is installed in cavity 14, stereo set 2 is closely laminated with wall body 1.
According to the C-shaped wall body 1, the wall body 1 is slightly inclined, the sound equipment 2 is placed in the cavity 14 on the right side of the wall body 1, when the sound equipment 2 is closed, the sound equipment 2 can be retracted into the cavity 14, so that the space waste caused by the sound equipment 2 is reduced, the situation that students trip over the sound equipment 2 when walking can be avoided, the space utilization of classrooms is effectively improved, and the damage rate of the sound equipment 2 is greatly reduced.
The wall body 1 comprises an upper top plate 11, a lower top plate 13 and a side plate 12, wherein the side plate 12 is arranged between the upper top plate 11 and the lower top plate 13, a first telescopic rod 3 and a second telescopic rod 4 are respectively arranged between the side plate 12 and the sound equipment 2, the first telescopic rod 3 has the same structure as the second telescopic rod 4, one end of the first telescopic rod 3 is fixedly arranged on the upper part of the side plate 12, and the other end of the first telescopic rod is fixedly arranged on the upper part of the sound equipment 2; one end of the second telescopic rod 4 is fixedly arranged at the bottom of the side plate 12, and the other end of the second telescopic rod is fixedly arranged at the bottom of the sound equipment 2; the side surface of the side plate 12 facing the sound equipment 2 is respectively provided with a first fixing piece 7 and a second fixing piece 8, the first fixing piece 7 is matched and fixed with the first telescopic rod 3, and the second fixing piece 8 is matched and fixed with the second telescopic rod 4; the side surface of the sound box 2 facing the side plate 12 is respectively provided with a third fixing piece 5 and a fourth fixing piece 6, the third fixing piece 5 is matched and fixed with the first telescopic rod 3, and the fourth fixing piece 6 is matched and fixed with the second telescopic rod 4; the stereo set 2 includes audio receiving module, control mainboard, audio processing module, play module and power module, audio receiving module, control mainboard, audio processing module and play module are connected with power module electricity respectively, audio receiving module, control mainboard, audio processing module and play module are electric connection in proper order, control mainboard and play module electricity are connected.
According to the invention, the first telescopic rod 3 and the second telescopic rod 4 are designed, and the inclination angle and the extension distance of the sound box 2 can be freely adjusted through the first telescopic rod 3 and the second telescopic rod 4, so that the position of the sound box 2 can be conveniently adjusted, and the sound quality requirement of the sound box 2 is ensured; when the first telescopic link 3 and the second telescopic link 4 stretch and adjust to suitable positions, we can fix the first telescopic link 3 through the first fixing piece 7, the third fixing piece 5, fix the second telescopic link 4 through the second fixing piece 8, the fourth fixing piece 6, this kind of design not only can provide holding power for stereo set 2, guarantee that stereo set 2 can steadily work, improved the life of first telescopic link 3, second telescopic link 4 moreover, have higher economic benefits.
In the invention, the sound equipment 2 is provided with an audio receiving module, a control main board, a playing module and the like, the audio receiving module is used for receiving the audio, the control main board can analyze whether the received audio needs to be processed, if so, the audio processing module is used for processing the audio, the playing module is used for playing the audio, and if not, the playing module is used for directly playing the received audio. The invention can automatically identify the quality of the audio, judge whether the audio can be directly played according to the quality of the audio, avoid the occurrence of the audio with repeated processing and effectively improve the running speed of the sound equipment.
The first fixing piece 7 and the second fixing piece 8 have the same structure, the first fixing piece 7 comprises a first fixing device 71 and a second fixing device 72, the first fixing device 71 and the second fixing device 72 are respectively arranged on two sides of the first telescopic rod 3, the first fixing device 71 comprises a first telescopic part 711 and a first clamping part 712, and one end of the first telescopic part 711 is fixedly arranged with the first clamping part 712; the second fixing device 72 includes a second telescopic portion 721 and a second clamping portion 722, one end of the second telescopic portion 721 is fixedly mounted with the second clamping portion 722, the first clamping portion 712 and the second clamping portion 722 are respectively mounted on two sides of the first telescopic rod 3, one end of the first telescopic rod 3, which is fixed with the side plate 12, is provided with a plurality of first grooves 31, and the first fixing device 71 and the first telescopic rod 3 are fixed by matching the first clamping portion 712 with the first grooves 31; the second fixing device 72 is fixed with the first telescopic rod 3 through the cooperation of the second clamping part 722 and the first groove 31; the audio receiving module comprises a wireless module, a plurality of peripheral audio interfaces and a Bluetooth module, wherein the Bluetooth module comprises a first Bluetooth module and a second Bluetooth module, the first Bluetooth module and the second Bluetooth module are respectively connected with a network through the wireless module, the control main board comprises a processor, an output module and a storage area, the output module comprises a first output module and a second output module, the first Bluetooth module, the second Bluetooth module and the plurality of peripheral audio interfaces are respectively electrically connected with the processor, the processor is respectively electrically connected with the first output module, the second output module and the storage area, the first output module and the storage area are respectively electrically connected with a playing module, and the second output module, the audio processing module and the playing module are sequentially electrically connected.
In the invention, a first clamping device and a second clamping device are designed, the first telescopic part 711 in the first clamping device can control the distance between the first clamping part 712 and the first telescopic rod 3, when the first telescopic rod 3 stretches, the first clamping part 712 is far away from the first telescopic rod 3, when the first telescopic rod 3 stops moving, the first clamping part 712 clamps the first groove 31, and similarly, the working principle of the second clamping device is the same, and the first clamping part 712 and the second clamping part 722 simultaneously clamp the first groove 31, so that the stability of the first telescopic rod 3 can be effectively improved, and the sound equipment 2 can smoothly play proper audio.
According to the invention, a plurality of peripheral audio interfaces are designed, a teacher can upload the required audio through the peripheral audio interfaces to play, meanwhile, the wireless module can be connected through the network, the first Bluetooth module and the second Bluetooth module receive the required audio and play, the application range is wider, and meanwhile, the teacher can transmit a plurality of audio, so that the audio transmission time is reduced, and the working efficiency is improved.
The processor can control the operation of the whole sound equipment, monitor the cooperation work among all modules, and the storage area can store the effective audio received in the whole sound equipment and carry out intelligent classification according to the use frequency, the use time and the storage time of the audio; the first output module and the second output module can intelligently judge the received audio, the audio output by the first output module can be directly played, and the audio output by the second output module is played after further processing.
The first Bluetooth module comprises a first receiving module and a first storage module, the first receiving module is electrically connected with the first storage module, the second Bluetooth module comprises a second receiving module and a second storage module, the second receiving module is electrically connected with the second storage module, the first receiving module and the second receiving module are respectively connected with a network through wireless modules, and the first receiving module and the second receiving module are respectively electrically connected with a processor; the audio processing module comprises a signal amplifying module, a power amplifying module and a third output module, wherein the second output module is electrically connected with the signal amplifying module, and the signal amplifying module, the power amplifying module and the third output module are electrically connected in sequence; the playing module comprises a volume adjusting module, a tone quality adjusting module and a player, the first output module and the storage area are respectively and electrically connected with the volume adjusting module, the tone quality adjusting module and the player are sequentially and electrically connected, and the third output module is electrically connected with the volume adjusting module; the player comprises a plurality of speakers 22, and the speakers 22 are respectively arranged on the side face of the sound equipment 2.
The audio processing module can amplify the audio signal, enhance the audio power, and perform operations such as noise reduction and noise removal on the audio, so that the quality of the played audio is improved; the playing module can finely adjust the volume and the tone quality of the audio, and simultaneously plays the audio through the loudspeaker 22, and the loudspeaker 22 is arranged on the four outer walls of the sound equipment 2, so that the audio playing effect can be enhanced, and the attention of students is brought.
The first telescopic part 711 and the second telescopic part 721 have the same structure, the first telescopic part 711 comprises a first supporting shaft 7113, a second supporting shaft 7116 and a movable connecting piece 7115, the movable connecting piece 7115 is installed between the first supporting shaft 7113 and the second supporting shaft 7116, the first clamping part 712 is fixed on one side of the second supporting shaft 7116, the movable connecting piece 7115 comprises a plurality of scissor units, the plurality of scissor units are respectively a first scissor unit 7118, a second scissor unit 7119 and a third scissor unit 7120, the first scissor unit 7118, the second scissor unit 7119 and the third scissor unit 7120 are hinged in sequence from left to right, and the third scissor unit 7120 is fixed with the second supporting shaft 7116; the first scissors unit 7118, the second scissors unit 7119 and the third scissors unit 7120 have the same structure, the first scissors unit 7118 comprises a first connecting arm 71182 and a second connecting arm 71181, the middle parts of the first connecting arm 71182 and the second connecting arm 71181 are fixed in a crossing manner, a first fixed seat 7117 and a movable seat 7114 are respectively arranged between the first support shaft 7113 and the first scissors unit 7118, the first connecting arm 71182 is fixedly arranged with the first fixed seat 7117, the second connecting arm 71181 is movably arranged with the movable seat 7114, a first oil cylinder 7112 is arranged between the first fixed seat 7117 and the movable seat 7114, and the piston end of the first oil cylinder 7112 is fixed with a second connecting arm 71181; the lower end of the first oil cylinder 7112 is provided with a first motor 7111, and the first motor 7111 controls the movement of the first oil cylinder 7112.
The first clamping portion 712 and the second clamping portion 722 have the same structure, the first clamping portion 712 includes a plurality of clamping units 7121, each clamping unit 7121 includes a connecting portion 71211 and a protruding portion 71212, the connecting portion 71211 is respectively fixed with the second support shaft 7116, the protruding portion 71212 is fixedly mounted on one side of the connecting portion 71211, and the first clamping portion 712 and the first telescopic rod 3, and the second clamping portion 722 and the first telescopic rod 3 are respectively mounted in a matched manner through the protruding portion 71212 and the first groove 31.
According to the invention, the first telescopic part 711 works through the cooperation of the plurality of scissor units, the first oil cylinder 7112 can provide power, the distance between the first clamping part 712 and the first telescopic rod 3 is controlled through the telescopic action of the scissor units, the front end of the first clamping part 712 is provided with the protruding part 71212, the first groove 31 can be clamped by the protruding part 71212 to fix the first telescopic rod 3, and the telescopic device has the advantages of simple structure, reasonable design and excellent effect.
The first oil cylinder 7112 is controlled by the first motor 7111, is a common hydraulic oil cylinder in the market, works through a hydraulic system, has low cost and has excellent effect.
The third fixing piece 5 and the fourth fixing piece 6 have the same structure, the third fixing piece 5 comprises a plurality of connecting units 51, the plurality of connecting units 51 are respectively arranged around the first telescopic rod 3, each connecting unit 51 comprises a second fixing seat 512 and a plurality of hook claws 511, and the hook claws 511 are respectively arranged on the second fixing seat 512; the fixed one end of first telescopic link 3 and stereo set 2 is provided with a plurality of second recesses 32, through claw 511, second recess 32 cooperation fixed between third mounting 5 and the first telescopic link 3.
The invention also designs a third fixing piece 5 and a fourth fixing piece 6, and the second groove 32 is clamped by the hook claw 511, so that the first telescopic rod 3 and the second telescopic rod 4 are fixed, and the stability of the sound equipment 2 is further ensured.
The sound equipment 2 further comprises a sound recording module and a touch display screen, and the sound recording module and the touch display screen are respectively and electrically connected with the processor.
The invention also designs the recording module, when a teacher takes class, the recording module can be started to record in real time, recorded audio is stored in the storage area, and the teacher can directly inquire and recover the content in class, so that the invention is effective and practical; meanwhile, the touch display screen is provided with corresponding operation buttons, and a teacher can directly control the function operation of the whole sound equipment through the operation buttons.
A plurality of driving devices 121 are disposed in the side plate 12, each driving device 121 includes a second motor 1211 and a second oil cylinder 1212, the second motor 1211 is mounted on one side of the second oil cylinder 1212, the second motor 1211 controls movement of the second oil cylinder 1212, and piston ends of the second oil cylinder 1212 are respectively fixed with the corresponding first telescopic rod 3 and second telescopic rod 4.
In the invention, the telescopic movement of the first telescopic rod 3 and the second telescopic rod 4 can be controlled by the driving device 121, so that the sound equipment 2 can work smoothly; the second cylinder 1212 is a multi-stage telescopic cylinder commonly available in the market, powered by a second motor 1211 and controlling movement, is not a design feature of the present invention and is not described in detail herein.
Be provided with dust guard 15 between loudspeaker 22 and the wall body 1 respectively, upper top plate 11 one side is provided with a plurality of cameras 9, stereo set 2 upper end is provided with handle 21.
The invention is provided with the plurality of dust-proof plates 15, so that dust can be prevented from entering the loudspeaker 22 by the design, the service life of the loudspeaker 22 is prolonged, the sound equipment 2 can work smoothly, and the audio playing effect can be ensured; the invention also designs the camera 9, which can collect the classroom image of the teacher in real time, so that the students can review after the lessons.
When the invention is used, firstly, the needed audio is uploaded through the peripheral audio interface, or the audio is uploaded through the cooperation of the wireless module, the first Bluetooth module and the second Bluetooth module, the audio is transmitted to the processor, and the audio is analyzed and processed by the processor and stored in the storage area; during a class, the stretching distance of the first telescopic rod 3 and the second telescopic rod 4 is respectively adjusted through the driving device 121, so that the sound equipment 2 can work at a proper position, after the adjustment is finished, the first fixing piece 7 and the third fixing piece 5 are respectively clamped at two ends of the first telescopic rod 3, the second fixing piece 8 and the fourth fixing piece 6 are respectively clamped at two ends of the second telescopic rod 4, and the sound equipment 2 is ready to work; when a teacher needs to play the audio, the teacher can input instructions through the touch display screen, the instructions are processed by the processor, the corresponding audio is called out, the processor is used for judging whether secondary processing is needed, if so, the instruction enters the audio processing module through the second output module, and if not, the instruction is directly played through the playing module; the audio frequency entering the audio frequency processing module can be processed and adjusted through the signal amplifying module and the power amplifying module, and is output and played through the third output module; the play module can also freely adjust the volume of the audio and select the tone quality of the audio, so as to ensure the class listening effect of students.
When the sound equipment 2 stops working, the first telescopic rod 3 and the second telescopic rod 4 are retracted, the sound equipment 2 enters the cavity 14, and the space utilization rate is effectively improved.
The invention designs the sound equipment for teaching learning, and designs the sound equipment 2 and the wall body 1 together, so that the safety of the sound equipment 2 is ensured, the service life of the sound equipment 2 is prolonged, the space utilization rate of classrooms is increased, the sound quality of the sound equipment 2 is better ensured by the module design of the sound equipment 2, the class listening effect of students is improved, and the sound equipment is effective and practical.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (1)
1. An audio device for teaching learning, characterized by: the sound equipment comprises a sound (2) and a wall body (1), wherein the wall body (1) is a C-shaped wall body, a right concave part of the wall body (1) is a cavity (14), the sound (2) is arranged in the cavity (14), and the sound (2) is tightly attached to the wall body (1);
the wall body (1) comprises an upper top plate (11), a lower top plate (13) and side plates (12), wherein the side plates (12) are arranged between the upper top plate (11) and the lower top plate (13), a first telescopic rod (3) and a second telescopic rod (4) are respectively arranged between the side plates (12) and the sound equipment (2), the first telescopic rod (3) and the second telescopic rod (4) are identical in structure, one end of the first telescopic rod (3) is fixedly arranged on the upper part of the side plates (12), and the other end of the first telescopic rod is fixedly arranged on the upper part of the sound equipment (2); one end of the second telescopic rod (4) is fixedly arranged at the bottom of the side plate (12), and the other end of the second telescopic rod is fixedly arranged at the bottom of the sound equipment (2); a first fixing piece (7) and a second fixing piece (8) are respectively arranged on one side, close to the sound equipment (2), of the side plate (12), the first fixing piece (7) is matched and fixed with the first telescopic rod (3), and the second fixing piece (8) is matched and fixed with the second telescopic rod (4); a third fixing piece (5) and a fourth fixing piece (6) are respectively arranged on one side, close to the side plate (12), of the sound equipment (2), the third fixing piece (5) is matched and fixed with the first telescopic rod (3), and the fourth fixing piece (6) is matched and fixed with the second telescopic rod (4); the sound equipment (2) comprises an audio receiving module, a control main board, an audio processing module, a playing module and a power module, wherein the audio receiving module, the control main board, the audio processing module and the playing module are respectively and electrically connected with the power module, the audio receiving module, the control main board, the audio processing module and the playing module are sequentially and electrically connected, and the control main board is electrically connected with the playing module;
the structure of the first fixing piece (7) is the same as that of the second fixing piece (8), the first fixing piece (7) comprises a first fixing device (71) and a second fixing device (72), the first fixing device (71) and the second fixing device (72) are respectively arranged on two sides of the first telescopic rod (3), the first fixing device (71) comprises a first telescopic part (711) and a first clamping part (712), and one end of the first telescopic part (711) is fixedly arranged with the first clamping part (712); the second fixing device (72) comprises a second telescopic part (721) and a second clamping part (722), one end of the second telescopic part (721) is fixedly installed with the second clamping part (722), the first clamping part (712) and the second clamping part (722) are respectively installed on two sides of the first telescopic rod (3), one fixed end of the first telescopic rod (3) and the side plate (12) is provided with a plurality of first grooves (31), and the first fixing device (71) and the first telescopic rod (3) are fixed through the cooperation of the first clamping part (712) and the first grooves (31); the second fixing device (72) is fixed with the first telescopic rod (3) through the cooperation of the second clamping part (722) and the first groove (31); the audio receiving module comprises a wireless module, a plurality of peripheral audio interfaces and a Bluetooth module, wherein the Bluetooth module comprises a first Bluetooth module and a second Bluetooth module, the first Bluetooth module and the second Bluetooth module are respectively connected with a network through the wireless module, the control main board comprises a processor, an output module and a storage area, the output module comprises a first output module and a second output module, the first Bluetooth module, the second Bluetooth module and the plurality of peripheral audio interfaces are respectively electrically connected with the processor, the processor is respectively electrically connected with the first output module, the second output module and the storage area, the first output module and the storage area are respectively electrically connected with the playing module, and the second output module, the audio processing module and the playing module are sequentially and electrically connected;
the first Bluetooth module comprises a first receiving module and a first storage module, the first receiving module is electrically connected with the first storage module, the second Bluetooth module comprises a second receiving module and a second storage module, the second receiving module is electrically connected with the second storage module, the first receiving module and the second receiving module are respectively connected with a network through wireless modules, and the first receiving module and the second receiving module are respectively electrically connected with a processor; the audio processing module comprises a signal amplifying module, a power amplifying module and a third output module, wherein the second output module is electrically connected with the signal amplifying module, and the signal amplifying module, the power amplifying module and the third output module are electrically connected in sequence; the playing module comprises a volume adjusting module, a tone quality adjusting module and a player, the first output module and the storage area are respectively and electrically connected with the volume adjusting module, the tone quality adjusting module and the player are sequentially and electrically connected, and the third output module is electrically connected with the volume adjusting module; the player comprises a plurality of speakers (22), wherein the speakers (22) are respectively arranged on the side surfaces of the sound equipment (2), and the speakers are arranged on the four outer walls of the sound equipment; the sound equipment (2) further comprises a recording module and a touch display screen, and the recording module and the touch display screen are respectively and electrically connected with the processor;
the first telescopic part (711) and the second telescopic part (721) have the same structure, the first telescopic part (711) comprises a first supporting shaft (7113), a second supporting shaft (7116) and a movable connecting piece (7115), the movable connecting piece (7115) is arranged between the first supporting shaft (7113) and the second supporting shaft (7116), the first clamping part (712) is fixed on one side of the second supporting shaft (7116), the movable connecting piece (7115) comprises a plurality of scissor units, the scissor units are respectively a first scissor unit (7118), a second scissor unit (7119) and a third scissor unit (7120), the first scissor unit (7118), the second scissor unit (7119) and the third scissor unit (7120) are hinged in sequence from left to right, and the third scissor unit (7120) is fixed with the second supporting shaft (7116); the structure of the first scissors element (7118), the structure of the second scissors element (7119) and the structure of the third scissors element (7120) are the same, the first scissors element (7118) comprises a first connecting arm (71182) and a second connecting arm (71181) which are fixed in a crossed manner at the middle part, a first fixing seat (7117) and a movable seat (7114) are respectively arranged between the first supporting shaft (7113) and the first scissors element (7118), the first connecting arm (71182) is fixedly arranged with the first fixing seat (7117), the second connecting arm (71181) is movably arranged with the movable seat (7114), a first oil cylinder (7112) is arranged between the first fixing seat (7117) and the movable seat (7114), and the piston end of the first oil cylinder (7112) is fixed with the second connecting arm (71181). The lower end of the first oil cylinder (7112) is provided with a first motor (7111), and the first motor (7111) controls the movement of the first oil cylinder (7112);
the structure of first clamping part (712) is the same with second clamping part (722), first clamping part (712) is including a plurality of clamping unit (7121), every clamping unit (7121) is including connecting portion (71211) and bellying (71212), connecting portion (71211) are fixed with second back shaft (7116) respectively, bellying (71212) fixed mounting is in connecting portion (71211) one side, between first clamping part (712) and first telescopic link (3) between second clamping part (722) and first telescopic link (3) respectively through bellying (71212), first recess (31) cooperation installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011114071.6A CN112449273B (en) | 2019-12-05 | 2019-12-05 | Sound equipment for teaching learning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911235503.6A CN110944251B (en) | 2019-12-05 | 2019-12-05 | Sound equipment for teaching and learning |
| CN202011114071.6A CN112449273B (en) | 2019-12-05 | 2019-12-05 | Sound equipment for teaching learning |
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| CN201911235503.6A Division CN110944251B (en) | 2019-12-05 | 2019-12-05 | Sound equipment for teaching and learning |
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| CN112449273A CN112449273A (en) | 2021-03-05 |
| CN112449273B true CN112449273B (en) | 2023-10-24 |
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| CN202011114071.6A Active CN112449273B (en) | 2019-12-05 | 2019-12-05 | Sound equipment for teaching learning |
| CN202011114072.0A Active CN112449274B (en) | 2019-12-05 | 2019-12-05 | Sound equipment for teaching learning |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103108454A (en) * | 2013-01-14 | 2013-05-15 | 浙江生辉照明有限公司 | Multifunctional wireless light-emitting diode (LED) device and multifunctional wireless loud speaker box system |
| CN205116475U (en) * | 2015-11-09 | 2016-03-30 | 文登蓝岛建筑工程有限公司 | Steel construction building body and embedded interior wall body that has audio amplifier thereof |
| CN106162421A (en) * | 2016-08-19 | 2016-11-23 | 北海爱飞数码科技有限公司 | Embedded loudspeaker box |
| CN106303835A (en) * | 2016-10-26 | 2017-01-04 | 深圳市俊佳豪科技有限公司 | The voicefrequency circuit of a kind of pair of bluetooth module and sound equipment and bilingual player method |
| CN108238084A (en) * | 2018-03-07 | 2018-07-03 | 江苏海事职业技术学院 | A kind of cart type multimedia equipment |
| CN209283468U (en) * | 2019-01-17 | 2019-08-20 | 广州市迈致电子科技有限公司 | A kind of suspension type sound equipment |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003070086A (en) * | 2001-08-24 | 2003-03-07 | Taitaro Fujii | Utilizing method for unit type wall material with storage space |
| KR101371033B1 (en) * | 2007-07-25 | 2014-03-10 | 엘지전자 주식회사 | Portable terminal |
| CN201413604Y (en) * | 2009-05-22 | 2010-02-24 | 天津三星电子显示器有限公司 | Wall hanging and table placing dual purpose display |
| TWM415960U (en) * | 2011-05-26 | 2011-11-11 | Tai Luer Industry Corp | Lock rack of tablet computer |
| CN205029842U (en) * | 2015-10-12 | 2016-02-10 | 深圳市优俊电子有限公司 | 360 degree embedded audio audio amplifiers with flexible function |
| CN206585696U (en) * | 2017-01-17 | 2017-10-24 | 广州市雷之声电子科技有限公司 | Mobile device environment-friendly type audio amplifier |
| CN109429134A (en) * | 2017-08-26 | 2019-03-05 | 钟万平 | A kind of Bluetooth remote control intelligent sound |
| CN207218977U (en) * | 2017-09-07 | 2018-04-10 | 广州玛斯顿影音有限公司 | A kind of embedded power amplifier sound equipment |
| CN207926921U (en) * | 2018-03-27 | 2018-09-28 | 六盘水职业技术学院 | A kind of loudspeaker of the College Chinese teacher convenient for adjusting |
-
2019
- 2019-12-05 CN CN201911235503.6A patent/CN110944251B/en active Active
- 2019-12-05 CN CN202011114071.6A patent/CN112449273B/en active Active
- 2019-12-05 CN CN202011114072.0A patent/CN112449274B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103108454A (en) * | 2013-01-14 | 2013-05-15 | 浙江生辉照明有限公司 | Multifunctional wireless light-emitting diode (LED) device and multifunctional wireless loud speaker box system |
| CN205116475U (en) * | 2015-11-09 | 2016-03-30 | 文登蓝岛建筑工程有限公司 | Steel construction building body and embedded interior wall body that has audio amplifier thereof |
| CN106162421A (en) * | 2016-08-19 | 2016-11-23 | 北海爱飞数码科技有限公司 | Embedded loudspeaker box |
| CN106303835A (en) * | 2016-10-26 | 2017-01-04 | 深圳市俊佳豪科技有限公司 | The voicefrequency circuit of a kind of pair of bluetooth module and sound equipment and bilingual player method |
| CN108238084A (en) * | 2018-03-07 | 2018-07-03 | 江苏海事职业技术学院 | A kind of cart type multimedia equipment |
| CN209283468U (en) * | 2019-01-17 | 2019-08-20 | 广州市迈致电子科技有限公司 | A kind of suspension type sound equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112449274A (en) | 2021-03-05 |
| CN110944251B (en) | 2020-11-20 |
| CN112449273A (en) | 2021-03-05 |
| CN112449274B (en) | 2023-07-28 |
| CN110944251A (en) | 2020-03-31 |
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