CN219761220U - Ceiling sound equipment of low noise - Google Patents
Ceiling sound equipment of low noise Download PDFInfo
- Publication number
- CN219761220U CN219761220U CN202320683917.0U CN202320683917U CN219761220U CN 219761220 U CN219761220 U CN 219761220U CN 202320683917 U CN202320683917 U CN 202320683917U CN 219761220 U CN219761220 U CN 219761220U
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- Prior art keywords
- ceiling
- ceiling sound
- main body
- sleeve
- shielding
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- 238000007789 sealing Methods 0.000 claims abstract description 24
- 230000001681 protective effect Effects 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims abstract description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 28
- 239000011888 foil Substances 0.000 claims description 19
- 229910052782 aluminium Inorganic materials 0.000 claims description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 18
- 238000002955 isolation Methods 0.000 claims description 14
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 9
- 230000001070 adhesive effect Effects 0.000 claims description 9
- 239000005030 aluminium foil Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 3
- 238000000034 method Methods 0.000 claims 1
- 230000005291 magnetic effect Effects 0.000 description 19
- 230000000694 effects Effects 0.000 description 9
- 230000003068 static effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003302 ferromagnetic material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000700647 Variola virus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses a low-noise ceiling sound, relates to the technical field of ceiling sound, and aims to solve the problems that the existing ceiling sound is easy to generate noise due to weak current and strong current contact, and electromagnetic interference is easy to generate when electronic elements are close to each other, so that the noise is large. The lower end of the ceiling sound main body is provided with a lower base, the upper end of the ceiling sound main body is provided with a sealing cover, and the upper end of the sealing cover is provided with a power line; further comprises: the protective inner sleeve is arranged in the ceiling sound main body, and a shielding installation cavity is arranged between the ceiling sound main body and the protective inner sleeve; the metal shielding sleeve is arranged in the shielding installation cavity, the metal shielding sleeve is made of nickel-iron alloy, and the shielding installation cavity, the protection inner sleeve and the ceiling sound main body are of an integrated structure; and the isolating sleeve is arranged outside the power line and wraps the power line.
Description
Technical Field
The utility model relates to the technical field of ceiling sound equipment, in particular to a low-noise ceiling sound equipment.
Background
The ceiling sound equipment is a ceiling loudspeaker, it is an audio replay system using ceiling as baffle, it is a full-frequency unit of eight inch or below, there are two forms of fixed pressure and fixed resistance, it is characterized by that it does not occupy space, medium frequency (human voice) is clear, the multiple units of fixed pressure can be laid, volume is controlled in multiple zones, but sound pressure intensity and frequency response index are not high, it can not reach HIFI playing standard, and it is a single sound channel, this system is derived from public broadcasting system in market and station etc. in the family, it is usually used for "background music" playing, only the works of light and slow lyrics are played, the volume is controlled under the condition that it does not affect normal conversation and even sleep, in a word, it is used for atmosphere.
However, the existing ceiling sound is easy to generate noise due to the fact that weak current and strong current are in relatively close contact, and electromagnetic interference is easy to generate when electronic elements are close to each other, so that noise is high; therefore, the existing requirements are not met, and a low-noise ceiling sound is provided for the purpose.
Disclosure of Invention
The utility model aims to provide a low-noise ceiling sound box, which solves the problems that the existing ceiling sound box in the prior art is easy to generate noise due to weak current and strong current contact, and electromagnetic interference is easy to generate when electronic elements are close to each other, so that the noise is large.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a low noise ceiling sound comprising: the ceiling sound equipment comprises a ceiling sound equipment main body, wherein a lower base is arranged at the lower end of the ceiling sound equipment main body, a sealing cover is arranged at the upper end of the ceiling sound equipment main body, and a power line is arranged at the upper end of the sealing cover;
further comprises:
the protective inner sleeve is arranged in the ceiling sound main body, and a shielding installation cavity is arranged between the ceiling sound main body and the protective inner sleeve;
the metal shielding sleeve is arranged in the shielding installation cavity, the metal shielding sleeve is made of nickel-iron alloy, and the shielding installation cavity, the protection inner sleeve and the ceiling sound main body are of an integrated structure;
and the isolating sleeve is arranged outside the power line and wraps the power line.
Preferably, the aluminum foil paper is arranged in the isolation sleeve, the first tinfoil paper is arranged at the upper end of the aluminum foil paper, the second tinfoil paper is arranged at the lower end of the aluminum foil paper, and the aluminum foil paper is clamped by the first tinfoil paper and the second tinfoil paper.
Preferably, the upper surface and the lower surface of the aluminum foil paper are both provided with an adhesive, and the aluminum foil paper is adhered and fixed with the first tinfoil paper and the second tinfoil paper through the adhesive.
Preferably, a threaded connecting column is arranged at the lower end of the sealing cover, the threaded connecting column and the sealing cover are of an integrated structure, and the sealing cover is in threaded connection with the protective inner sleeve through the threaded connecting column.
Preferably, a through groove is formed in the center of the threaded connecting column, the through groove penetrates through the threaded connecting column and the sealing cover, and the power line penetrates through the threaded connecting column and the sealing cover through the through groove.
Preferably, the front end and the rear end of the lower base are both provided with single-head fasteners, and the lower base is in threaded connection with the ceiling sound main body through the single-head fasteners.
Preferably, the lower extreme of lower base is provided with the limit plate that inhales the top, and inhale top limit plate and lower base structure as an organic whole, the center department of inhaling top limit plate is provided with the sound transmission net.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the protective inner sleeve is arranged in the ceiling sound main body, the shielding installation cavity is formed between the ceiling sound main body and the protective inner sleeve, the metal shielding sleeve is placed in the shielding installation cavity, the metal shielding sleeve arranged in the shielding installation cavity between the ceiling sound main body and the protective inner sleeve is used for carrying out static magnetic shielding, the static magnetic shielding is that a ferromagnetic material with high magnetic conductivity is used for making a shielding cover to shield an external magnetic field, the metal shielding cover is made of nickel-iron alloy, and the shielding cover has good magnetic conductivity, so that an electromagnetic interference resisting effect is achieved, noise is not easy to generate when an electronic element is close to the ceiling sound, and the noise reducing effect is further improved.
2. Through set up the spacer sleeve in the power cord outside, the aluminium foil paper passes through the adhesive and is fixed with first tinfoil paper and second tinfoil paper bonding, and first tinfoil paper and second tinfoil paper are with aluminium foil paper butt clamp, thereby the spacer sleeve has been formed, encircle the spacer sleeve in the power cord outside, rely on the spacer sleeve to wrap up the power cord, thereby realize the isolation effect, just so can avoid appearing the phenomenon that the nearly noise production that leads to of weak current strong electric contact, thereby the noise of smallpox stereo set has been reduced, and the spacer sleeve is isolated through the strong electric of three-layer foil paper weak current, thereby isolation efficiency has been improved, the influence of weak current strong electric is reduced, the production of noise is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is a schematic diagram of the internal hierarchical structure of the main body of the ceiling sound device according to the present utility model;
FIG. 3 is a schematic view of the structure of the spacer sleeve according to the present utility model;
FIG. 4 is a schematic view of the seal cap structure of the present utility model;
in the figure: 1. a ceiling sound main body; 2. sealing cover; 3. a ceiling limiting plate; 4. a sound-transmitting net; 5. a lower base; 6. a single-headed fastener; 7. a power line; 8. a spacer sleeve; 9. a protective inner sleeve; 10. shielding the mounting cavity; 11. a metal shielding sleeve; 12. a first tinfoil; 13. aluminum foil paper; 14. a second tinfoil; 15. an adhesive; 16. a threaded connection post; 17. a through slot.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments.
Referring to fig. 1-4, an embodiment of the present utility model is provided: a low noise ceiling sound comprising: the ceiling sound equipment comprises a ceiling sound equipment main body 1, wherein a lower base 5 is arranged at the lower end of the ceiling sound equipment main body 1, a sealing cover 2 is arranged at the upper end of the ceiling sound equipment main body 1, and a power line 7 is arranged at the upper end of the sealing cover 2;
further comprises:
a protective inner sleeve 9 arranged in the ceiling sound main body 1, wherein a shielding installation cavity 10 is arranged between the ceiling sound main body 1 and the protective inner sleeve 9;
the metal shielding sleeve 11 is arranged in the shielding installation cavity 10, the metal shielding sleeve 11 is made of nickel-iron alloy, and the shielding installation cavity 10, the protective inner sleeve 9 and the ceiling sound main body 1 are of an integrated structure;
and a spacer 8 provided outside the power line 7, and the spacer 8 wraps the power line 7.
The isolation sleeve 8 surrounds the outside of the power line 7, the power line 7 is wrapped by the isolation sleeve 8, so that an isolation effect is achieved, the phenomenon that noise is generated due to weak current and strong current contact is avoided, the noise of a ceiling sound is reduced, the metal shielding sleeve 11 arranged between the ceiling sound main body 1 and the protective inner sleeve 9 and used for shielding the inside of the installation cavity 10 is utilized for static magnetic shielding, the shielding cover is made of ferromagnetic materials with high magnetic conductivity to shield an external magnetic field, the metal shielding sleeve 11 is made of nickel-iron alloy and has good magnetic conductivity, an anti-electromagnetic interference effect is achieved, noise is not easy to generate when an electronic element is close to the ceiling sound, and accordingly the noise reduction effect is further improved.
Referring to fig. 1 and 3, an aluminum foil paper 13 is arranged in the isolation sleeve 8, a first tin foil paper 12 is arranged at the upper end of the aluminum foil paper 13, a second tin foil paper 14 is arranged at the lower end of the aluminum foil paper 13, and the aluminum foil paper 13 is clamped by the first tin foil paper 12 and the second tin foil paper 14, and weak current and strong current are isolated through three layers, so that isolation efficiency is improved, influence of weak current and strong current is reduced, and noise is reduced.
Referring to fig. 3, the upper and lower surfaces of the aluminum foil 13 are provided with an adhesive 15, and the aluminum foil 13 is adhered and fixed to the first and second tinfoil 12 and 14 by the adhesive 15, so as to fix the aluminum foil 13 to the first and second tinfoil 12 and 14.
Referring to fig. 1, 2 and 4, a threaded connection column 16 is disposed at the lower end of the sealing cover 2, and the threaded connection column 16 and the sealing cover 2 are in an integrated structure, and the sealing cover 2 is in threaded connection with the protective inner sleeve 9 through the threaded connection column 16, so that the sealing cover 2 and the protective inner sleeve 9 can be conveniently and rapidly fixed and detached, and convenience is improved.
Referring to fig. 4, a through slot 17 is provided at the center of the threaded connection post 16, and the through slot 17 penetrates through the threaded connection post 16 and the sealing cover 2, and the power cord 7 penetrates through the threaded connection post 16 and the sealing cover 2 through the through slot 17, so that one end of the power cord 7 is electrically connected with an acoustic element mounted inside the protective inner sleeve 9.
Referring to fig. 1, the front and rear ends of the lower base 5 are respectively provided with a single-head fastener 6, and the lower base 5 is in threaded connection with the ceiling sound main body 1 through the single-head fasteners 6, so that the lower base 5 and the ceiling sound main body 1 are convenient to detach for internal maintenance and replacement, and convenience is improved.
Referring to fig. 1, a ceiling limiting plate 3 is disposed at the lower end of a lower base 5, the ceiling limiting plate 3 and the lower base 5 are integrally formed, a sound transmission net 4 is disposed at the center of the ceiling limiting plate 3, the whole ceiling sound is mounted on a ceiling, and the ceiling is limited by the ceiling limiting plate 3, so that the ceiling is prevented from being completely inside.
Working principle: when the shielding device is used, the power line 7 passes through the threaded connection column 16 and the sealing cover 2 through the through groove 17, one end of the power line 7 is connected with an acoustic element arranged in the protective inner sleeve 9 through an electric signal, the sealing cover 2 is connected with the protective inner sleeve 9 through threads, the upper end opening of the ceiling acoustic main body 1 is sealed, aluminum foil paper 13 is adhered and fixed with the first tin foil paper 12 and the second tin foil paper 14 through an adhesive 15, the first tin foil paper 12 and the second tin foil paper 14 clamp the aluminum foil paper 13 oppositely, the isolation sleeve 8 is formed, the isolation sleeve 8 surrounds the outside of the power line 7, the power line 7 is wrapped by the isolation sleeve 8, thereby the isolation effect is realized, the phenomenon that noise is generated due to weak current and strong current contact is relatively near can be avoided, the noise of the ceiling acoustic is reduced, the whole ceiling acoustic main body is arranged on the ceiling, the ceiling is limited by the ceiling limiting plate 3, when all the external electronic elements are close to the ceiling, the magnetic shielding device is realized by utilizing a metal shielding sleeve 11 arranged in a shielding cavity 10 between the ceiling acoustic main body 1 and the protective inner sleeve 9, the magnetic shielding device is easy to realize the magnetic shielding effect is realized by utilizing a magnetic field shielding material with high magnetic permeability, and the magnetic field is easy to be further improved, and the magnetic field is not easy to produce due to the magnetic field shielding effect is high, and the magnetic field is easy to be further magnetic shielding effect is realized.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model 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 utility model 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 (7)
1. The low-noise ceiling sound comprises a ceiling sound main body (1), wherein a lower base (5) is arranged at the lower end of the ceiling sound main body (1), a sealing cover (2) is arranged at the upper end of the ceiling sound main body (1), and a power line (7) is arranged at the upper end of the sealing cover (2);
the method is characterized in that: further comprises:
the protective inner sleeve (9) is arranged in the ceiling sound main body (1), and a shielding installation cavity (10) is arranged between the ceiling sound main body (1) and the protective inner sleeve (9);
the metal shielding sleeve (11) is arranged in the shielding installation cavity (10), the metal shielding sleeve (11) is made of nickel-iron alloy, and the shielding installation cavity (10), the protective inner sleeve (9) and the ceiling sound main body (1) are of an integrated structure;
and the isolation sleeve (8) is arranged outside the power line (7), and the isolation sleeve (8) wraps the power line (7).
2. A low noise ceiling sound according to claim 1, wherein: the inside of spacer sleeve (8) is provided with aluminium foil paper (13), the upper end of aluminium foil paper (13) is provided with first tinfoil paper (12), the lower extreme of aluminium foil paper (13) is provided with second tinfoil paper (14), and first tinfoil paper (12) and second tinfoil paper (14) are with aluminium foil paper (13) butt clamp.
3. A low noise ceiling sound according to claim 2, wherein: the upper surface and the lower surface of the aluminum foil paper (13) are both provided with an adhesive (15), and the aluminum foil paper (13) is adhered and fixed with the first tinfoil paper (12) and the second tinfoil paper (14) through the adhesive (15).
4. A low noise ceiling sound according to claim 1, wherein: the lower extreme of sealed lid (2) is provided with threaded connection post (16), and threaded connection post (16) and sealed lid (2) are integrated into one piece structure, sealed lid (2) are through threaded connection post (16) and protection endotheca (9) threaded connection.
5. The low noise ceiling sound according to claim 4, wherein: the center of the threaded connecting column (16) is provided with a penetrating groove (17), the penetrating groove (17) penetrates through the threaded connecting column (16) and the sealing cover (2), and the power line (7) penetrates through the threaded connecting column (16) and the sealing cover (2) through the penetrating groove (17).
6. A low noise ceiling sound according to claim 1, wherein: the front end and the rear end of the lower base (5) are respectively provided with a single-head fastener (6), and the lower base (5) is in threaded connection with the ceiling sound main body (1) through the single-head fasteners (6).
7. A low noise ceiling sound according to claim 1, wherein: the lower extreme of lower base (5) is provided with ceiling limiting plate (3), and ceiling limiting plate (3) and lower base (5) are integrated into one piece structure, the center department of ceiling limiting plate (3) is provided with sound transmission net (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320683917.0U CN219761220U (en) | 2023-03-31 | 2023-03-31 | Ceiling sound equipment of low noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320683917.0U CN219761220U (en) | 2023-03-31 | 2023-03-31 | Ceiling sound equipment of low noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219761220U true CN219761220U (en) | 2023-09-26 |
Family
ID=88081208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320683917.0U Active CN219761220U (en) | 2023-03-31 | 2023-03-31 | Ceiling sound equipment of low noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219761220U (en) |
-
2023
- 2023-03-31 CN CN202320683917.0U patent/CN219761220U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |