CN107948902A - One kind religion room sounding clamping device and loudness correction system - Google Patents
One kind religion room sounding clamping device and loudness correction system Download PDFInfo
- Publication number
- CN107948902A CN107948902A CN201711320812.4A CN201711320812A CN107948902A CN 107948902 A CN107948902 A CN 107948902A CN 201711320812 A CN201711320812 A CN 201711320812A CN 107948902 A CN107948902 A CN 107948902A
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- support bar
- fixed
- clamping device
- abutting
- loudness
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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
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Braking Arrangements (AREA)
- Electrically Operated Instructional Devices (AREA)
Abstract
The invention discloses one kind to teach room sounding clamping device, including stationary backplate, the mounting hole that stationary backplate opens up is plugged with the spiral pin for being fixed on metope, the movable end of swivel bearing is fixed with the placement rack that vertical section is L-shaped, and placement rack bottom margin part is fixed with the abutting device for abutting sound equipment bottom sidewall;Step S1:BP neural network is built, BP neural network is trained using the loudness data under known multiple angles;Step S2:Clamping device is adjusted to unknown angle, the loudness data under unknown angle is recognized, and exports identification result, draws the loudness data of unknown angle;The buckling groove that the present invention in the stationary state opens up the second drive link abuts cross bar bottom, the first footstalk is oppressed to plug together with the first sleeve, so as to oppress brake pad and lower brake pad is abutted with turning the upper and lower side of ball respectively, play fixation, when needing to adjust the angle, the second drive link is unclamped, easy to change the sounding angle of sound equipment.
Description
Technical field
The present invention relates to teaching equipment field, and in particular to one kind religion room sounding clamping device and loudness correction system
System.
Background technology
With the gradual increase of teaching scale, the area in classroom is consequently increased, since teachers volume is limited,
Need to amplify teaching sound using sound system, ensure that there is enough loudness in the indoor each place of religion, ensure student's
Listen to the teacher effect.
A kind of classroom audible environment system is disclosed in the patent of Publication No. CN206517591U, it is characterised in that
Including multiple microphones, digital audio processor, power amplifier and multiple speakers, the multiple microphone is fixed on the ceiling in classroom,
And it is fixed on positioned at the surface at classroom dais, the multiple speaker on the middle part and corner of classroom ceiling, the multiple microphone
Audio signal output end be connected with the audio signal input end of digital audio processor, the audio of digital audio processor letter
The audio signal input end of number output terminal and power amplifier connects, the audio signal output end of power amplifier respectively with multiple sound equipments
Audio signal input end connection.But it is difficult to the sounding angle for adjusting sound equipment in the program, can not be according to the area in classroom
And layout arranges the sounding angle of sound equipment.
A kind of sound system used for more rooms is disclosed in the patent of Publication No. CN2802884Y, including:It is main
The secondary control system of control system and predetermined quantity, the master control system include power supply, source of sound inputting interface, the control of automatic level
Circuit, power amplification circuit, transport interface etc.;Each secondary control system includes transport interface, source of sound selection circuit, loudness control
Circuit, power amplification circuit, output interface, loudspeaker, microprocessor, operation device and display device etc..The sound system has
Have.Although the effect of such a mode can make audio signal keep certain level and high-quality to export, can not be according to place
Change and be adjusted.
The content of the invention
It is an object of the invention to overcome the above-mentioned problems in the prior art, there is provided one kind religion room sounding clamping dress
Put and loudness corrects system, the sounding angle of sound equipment can not only be adjusted, while can also be according to the area and layout in classroom
Adjust the sounding angle of sound equipment.
To realize above-mentioned technical purpose and the technique effect, the present invention is to be achieved through the following technical solutions:
One kind religion room sounding clamping device, including stationary backplate, the mounting hole that the stationary backplate opens up are plugged with solid
Due to the spiral pin of metope, the stationary backplate top is fixed with the fixing end of swivel bearing, and the movable end of the swivel bearing is consolidated
Surely there is the placement rack that vertical section is L-shaped, the placement rack top is equipped with the abutting bar abutted at the top of sound equipment, the placement rack bottom
Marginal portion is fixed with the abutting device for abutting sound equipment bottom sidewall;
For the swivel bearing movable end to turn ball, the ball upper and lower ends that turn have abutted brake pad and lower friction respectively
Stationary backplate top is fixed in block, the lower brake pad end, and the upper brake pad is plugged with the first footstalk, first footstalk
Bottom is plugged with the first sleeve, and first sleeve bottom end is fixed on lower brake pad upper end, and first sleeve bottom end is plugged with
First spring of the first footstalk bottom, the upper brake pad bottom are also connected with the first drive link, first drive link
The sliding block being equipped with the sliding slot at middle part in the middle part of first axle handle, the first drive link end are connected with the second drive link,
Second drive link offers buckling groove, and the upper brake pad top is fixed with kelly, and the kelly is fixed with cross bar.
Further, the abutting bar is arc, and wherein one end is flexibly connected with placement rack top, and the other end is flexibly connected
There are the first pressing plate for abutting sound equipment top, the elastic webbing for abutting bar and being connected with tensioning state.
Further, the abutting device is equipped with second sleeve, and the second sleeve is plugged with the second footstalk, second axis
Handle inserted terminal, which abuts, second spring, and the non-inserted terminal of the second footstalk is connected with the second pressing plate, the second pressing plate bottom
End abutting has the 3rd spring.
Further, the stationary backplate bottom is fixed with horizontal auxiliary support bar, and the auxiliary support bar end is lived
Dynamic to be connected with first support bar one end, the first support bar top is hinged with the second support bar, the second support bar bottom
It is fastened in the First Series groove that auxiliary support bar upper surface opens up.
Further, sound equipment is fixed on classroom corner by clamping device, and loudness detector is equipped with classroom since detection is taught
The loudness in indoor diverse location region;
Loudness detector is sent to host by signal is detected;
Host analyzes the audio of the sound effect of the sound equipment generation of diverse location and angle by following steps:
Step S1:BP neural network is built, BP neural network is carried out using the loudness data under known multiple angles
Training, draws BP neural network program;
Step S2:Clamping device is adjusted to unknown angle, by BP neural network program to the loudness under unknown angle
Data are recognized, and export identification result, draw the loudness data of unknown angle.
The present invention income effect be:
1st, the buckling groove in the stationary state opening up the second drive link abuts cross bar bottom, oppresses the first footstalk and first
Sleeve plugs together, so as to oppress brake pad and lower brake pad is abutted with turning the upper and lower side of ball respectively, plays fixation, it is necessary to adjust
When whole angle, the second drive link is unclamped, easy to change the sounding angle of sound equipment.
2nd, the auxiliary support bar of lower end can play the role of Auxiliary support, First Series groove and second series groove
The difference of maximum adjustable height and minimum adjustable height can be carried out classification support by combination, and it is recessed that classification quantity is equal to First Series
Slot number amount is multiplied by second series number of recesses, and Auxiliary support is easy in enough classifications, meets different adjusting angles.
3rd, different angle is adjusted, the loudness of diverse location can be perceived using BP neural network learning system, according to difference
The loudness data of feedback simulates best angle.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, embodiment will be described below required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structure diagram of clamping device of the present invention;
Fig. 2 is the structure diagram of swivel bearing of the present invention;
Fig. 3 is the structure diagram of swivel bearing lock-out state of the present invention
Fig. 4 is the structure diagram of abutting device of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment, belongs to the scope of protection of the invention.
As shown in Figs 1-4, the present invention teaches room sounding clamping device, including stationary backplate 100, stationary backplate to be a kind of
100 mounting holes 110 opened up are plugged with the spiral pin 120 for being fixed on metope, and 100 top of stationary backplate is fixed with swivel bearing 200
Fixing end, the movable end of swivel bearing 200 is fixed with the placement rack 300 that vertical section is L-shaped, and 300 top of placement rack is equipped with and supports
The abutting bar 400 at the top of sound equipment is connect, 300 bottom margin part of placement rack is fixed with the abutting device 500 for abutting sound equipment bottom sidewall;
200 movable end of swivel bearing to turn ball 210, turn 210 upper and lower ends of ball abutted respectively brake pad 220 and under rub
100 top of stationary backplate is fixed in cleaning block 230, lower 230 end of brake pad, and upper brake pad 220 is plugged with the first footstalk 240, the
One footstalk, 240 bottom is plugged with the first sleeve 250, and 250 bottom of the first sleeve is fixed on lower 230 upper end of brake pad, the first sleeve
250 bottoms are plugged with the first spring 251 of 240 bottom of the first footstalk, and upper 220 bottom of brake pad is also connected with the first transmission
Bar 260, the sliding block at the middle part of first axle handle 240, the end of the first drive link 260 are equipped with the sliding slot 261 at the middle part of the first drive link 260
End is connected with the second drive link 270, and the second drive link 270 offers buckling groove 271, and upper 220 top of brake pad is fixed with
Kelly 280, kelly 280 are fixed with cross bar 281.
One preference of present embodiment is that abutting bar 400 is arc, wherein one end and the activity of 300 top of placement rack
Connection, the other end are connected with the first pressing plate 420 for abutting sound equipment top, abut the elasticity that bar 400 is connected with tensioning state
Band 410.
One preference of present embodiment is, abuts device 500 and is equipped with second sleeve 510, and second sleeve 510 is plugged with the
Two footstalks 520,520 inserted terminal of the second footstalk, which abuts, a second spring 530, and 520 non-inserted terminal of the second footstalk is connected with the
Two pressing plates 540,540 bottom of the second pressing plate, which abuts, the 3rd spring 550.
One preference of present embodiment is that 100 bottom of stationary backplate is fixed with horizontal auxiliary support bar 600, auxiliary
600 end of supporting rod is helped to be connected with 610 one end of the first support bar, 610 top of the first support bar is hinged with the second support bar
620,620 bottom of the second support bar is fastened in the First Series groove 630 that 600 upper surface of auxiliary support bar opens up.
One preference of present embodiment is that sound equipment is fixed on classroom corner by clamping device, and loudness is equipped with classroom
Detector is due to the loudness in diverse location region in detection classroom;
Loudness detector is sent to host by signal is detected;
Host analyzes the audio of the sound effect of the sound equipment generation of diverse location and angle by following steps:
Step S1:BP neural network is built, BP neural network is carried out using the loudness data under known multiple angles
Training, draws BP neural network program;
Step S2:Clamping device is adjusted to unknown angle, by BP neural network program to the loudness under unknown angle
Data are recognized, and export identification result, draw the loudness data of unknown angle.
One of the present embodiment has particular application as:
The buckling groove 271 that the second drive link 270 opens up is abutted into 281 bottom of cross bar in the stationary state, oppresses first axle
Handle 240 is plugged together with the first sleeve 250, so as to oppress brake pad 220 and lower brake pad 230 respectively with turning the upper and lower side of ball 210
Abut, play fixation, it is necessary to when adjustment angle, the second drive link 270 is unclamped, easy to change the sounding of sound equipment
Angle.
The auxiliary support bar 600 of lower end can play the role of Auxiliary support, and First Series groove 630 and second series are recessed
The difference of maximum adjustable height and minimum adjustable height can be carried out classification support by the combination of groove 621, and classification quantity is equal to the
A series of 630 quantity of groove are multiplied by 621 quantity of second series groove, and enough classifications are easy to Auxiliary support, meet different tune
Save angle.
Different angle is adjusted, the loudness of diverse location can be perceived using BP neural network learning system, according to different anti-
The loudness data of feedback simulates best angle.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Feature, which is lived, with reference to specific features, structure, the material that the embodiment or example describe is contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can close in any one or more embodiments or example
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is in order to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (6)
1. one kind religion room sounding clamping device, it is characterised in that:Including stationary backplate (100), the stationary backplate (100) is opened
If mounting hole (110) be plugged with the spiral pin (120) for being fixed on metope, stationary backplate (100) top is fixed with rotation axis
The fixing end of (200) is held, the movable end of the swivel bearing (200) is fixed with the placement rack (300) that vertical section is L-shaped, described
Placement rack (300) top is equipped with the abutting bar (400) abutted at the top of sound equipment, and placement rack (300) bottom margin part is fixed
There is the abutting device (500) for abutting sound equipment bottom sidewall;
For swivel bearing (200) movable end to turn ball (210), described ball (210) upper and lower ends that turn have abutted friction respectively
Stationary backplate (100) top is fixed in block (220) and lower brake pad (230), lower brake pad (230) end, it is described on rub
Cleaning block (220) is plugged with the first footstalk (240), and the first footstalk (240) bottom is plugged with the first sleeve (250), and described
One sleeve (250) bottom is fixed on lower brake pad (230) upper end, and the first sleeve (250) bottom is plugged with the first footstalk
(240) the first spring (251) of bottom, upper brake pad (220) bottom are also connected with the first drive link (260), institute
State the sliding block being equipped with the sliding slot (261) in the middle part of the first drive link (260) in the middle part of first axle handle (240), first transmission
Bar (260) end is connected with the second drive link (270), and second drive link (270) offers buckling groove (271), institute
State brake pad (220) top and be fixed with kelly (280), the kelly (280) is fixed with cross bar (281).
A kind of 2. religion room sounding clamping device according to claim 1, it is characterised in that:It is described abutting bar (400) be
Arc, wherein one end are flexibly connected with placement rack (300) top, and the other end is connected with the first pressing plate for abutting sound equipment top
(420), the elastic webbing (410) for abutting bar (400) and being connected with tensioning state.
A kind of 3. religion room sounding clamping device according to claim 1, it is characterised in that:The abutting device (500) sets
There is second sleeve (510), the second sleeve (510) is plugged with the second footstalk (520), the second footstalk (520) inserted terminal
Abutting has a second spring (530), and the non-inserted terminal of second footstalk (520) is connected with the second pressing plate (540), and described second
Pressing plate (540) bottom, which abuts, the 3rd spring (550).
A kind of 4. religion room sounding clamping device according to claim 1, it is characterised in that:The stationary backplate (100)
Bottom is fixed with horizontal auxiliary support bar (600), and auxiliary support bar (600) end is connected with the first support bar
(610) one end, the first support bar (610) top are hinged with the second support bar (620), the second support bar (620) bottom
End is fastened in the First Series groove (630) that auxiliary support bar (600) upper surface opens up.
A kind of 5. religion room sounding clamping device according to claim 4, it is characterised in that:First support bar
(610) middle part is also hinged with the 3rd support bar (640) bottom, the 3rd support bar (640) top and the 4th support bar (650)
Top and placement rack (300) bottom are flexibly connected, and the 4th support bar (650) bottom is fastened on the second support bar (620)
In the second series groove (621) that upper surface opens up.
6. speaker loudness corrects system in a kind of classroom based on BP neural network, it is characterised in that:Clamping device consolidates sound equipment
Loudness of the loudness detector due to diverse location region in detection classroom is equipped with due to classroom corner, in classroom;
Loudness detector is sent to host by signal is detected;
Host analyzes the audio of the sound effect of the sound equipment generation of diverse location and angle by following steps:
Step S1:BP neural network is built, BP neural network is trained using the loudness data under known multiple angles,
Draw BP neural network program;
Step S2:Clamping device is adjusted to unknown angle, by BP neural network program to the loudness data under unknown angle
Recognized, and export identification result, draw the loudness data of unknown angle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711320812.4A CN107948902B (en) | 2017-12-12 | 2017-12-12 | Stereo set clamping device and loudness correction system in classroom |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711320812.4A CN107948902B (en) | 2017-12-12 | 2017-12-12 | Stereo set clamping device and loudness correction system in classroom |
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Publication Number | Publication Date |
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CN107948902A true CN107948902A (en) | 2018-04-20 |
CN107948902B CN107948902B (en) | 2021-01-12 |
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CN201711320812.4A Active CN107948902B (en) | 2017-12-12 | 2017-12-12 | Stereo set clamping device and loudness correction system in classroom |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN105251646A (en) * | 2015-11-24 | 2016-01-20 | 曾增宗 | Contact-indication noise reduction type water outlet spray head assembly of water heater |
CN105578322A (en) * | 2015-12-18 | 2016-05-11 | 何景辉 | Sound box hanging bracket |
CN205685222U (en) * | 2016-05-30 | 2016-11-16 | 长安大学 | A kind of automotive steering structure assembling fixture |
CN206332822U (en) * | 2017-01-04 | 2017-07-14 | 江苏齐龙电子科技有限公司 | A kind of special sound equipment of teaching for multi-media classroom |
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2017
- 2017-12-12 CN CN201711320812.4A patent/CN107948902B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105251646A (en) * | 2015-11-24 | 2016-01-20 | 曾增宗 | Contact-indication noise reduction type water outlet spray head assembly of water heater |
CN105578322A (en) * | 2015-12-18 | 2016-05-11 | 何景辉 | Sound box hanging bracket |
CN205685222U (en) * | 2016-05-30 | 2016-11-16 | 长安大学 | A kind of automotive steering structure assembling fixture |
CN206332822U (en) * | 2017-01-04 | 2017-07-14 | 江苏齐龙电子科技有限公司 | A kind of special sound equipment of teaching for multi-media classroom |
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