CN209299480U - It is a kind of correct noise reduction effect wear noise cancelling headphone device - Google Patents
It is a kind of correct noise reduction effect wear noise cancelling headphone device Download PDFInfo
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- CN209299480U CN209299480U CN201920076577.9U CN201920076577U CN209299480U CN 209299480 U CN209299480 U CN 209299480U CN 201920076577 U CN201920076577 U CN 201920076577U CN 209299480 U CN209299480 U CN 209299480U
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- loudspeaker
- noise reduction
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- rear cover
- cancelling headphone
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Abstract
The utility model discloses what one kind can correct noise reduction effect to wear noise cancelling headphone device, more particularly to noise cancelling headphone field, the phonation unit at component both ends is worn including wearing component and being connected to, the phonation unit includes loudspeaker, noise reduction microphone, horn disk, ear muff, loudspeaker rear cover, auricular concha and outer cover, it also include shaft, sinker and spring inside the loudspeaker rear cover, it is provided with shaft plush copper in the middle part of the shaft, described shaft one end is provided with adjusting slot.The utility model adjusts the volume of airway lumen using rotating shaft to adjust loudspeaker rear cover sound intermediate frequency vibratory flow to finely tune the phonation characteristics of Loudspeaker diaphragm to optimize anti-acoustic capability, noise reduction deviation caused by the parameter discrete type of loudspeaker, noise reduction microphone and signal processing circuit can greatly be corrected, be effectively reduced noise reduction that noise cancelling headphone occurs in batch production not large percentage up to standard the problem of, so that the production cost of noise cancelling headphone be made to be minimized.
Description
Technical field
The utility model relates to noise cancelling headphone technical fields, and more specifically, the utility model relates to one kind can correct drop
Effect of making an uproar wears noise cancelling headphone device.
Background technique
With advances in technology with the raising of quality of life, noise cancelling headphone comes into vogue, and noise cancelling headphone processing is made an uproar
Sound range is generally between 20Hz-1KHz, and Dolby circuit is mainly by the signal amplifier being made of amplifier and separate piece at present
Dolby circuit and integrated Dolby circuit by DSP signal processing；Signal amplifier Dolby circuit is than integrated Dolby circuit because of cost
It is low and largely on low side noise cancelling headphone, but since element causes the deviation range of performance parameter bigger too much, thus
There are problems that noise reduction large percentage not up to standard in actual production, this virtually improves production cost.
Utility model content
In order to overcome the drawbacks described above of the prior art, the embodiments of the present invention, which provide one kind, can correct noise reduction effect
Noise cancelling headphone device is worn, by matching using Phillips screwdriver with adjusting slot, rotating shaft, shaft drives outer wall surface
It is rotated for the shaft plush copper of spiral shell shape curved surface, sinker is pushed by spring supporting and shaft plush copper, and the volume of airway lumen is gradually
Reduce, the volume of airway lumen is adjusted by rotating shaft and finely tunes loudspeaker vibration to adjust loudspeaker rear cover sound intermediate frequency vibratory flow
The phonation characteristics of film to optimize anti-acoustic capability, can greatly correct the parameters of loudspeaker, noise reduction microphone and signal processing circuit from
Noise reduction deviation caused by type is dissipated, asking for the noise reduction large percentage not up to standard that noise cancelling headphone occurs in batch production is effectively reduced
Topic, so that the production cost of noise cancelling headphone be made to be minimized.
To achieve the above object, the utility model provides the following technical solutions: what one kind can correct noise reduction effect wears drop
Make an uproar Headphone device, wear the phonation unit at component both ends including wearing component and being connected to, the phonation unit include loudspeaker,
Noise reduction microphone, horn disk, ear muff, loudspeaker rear cover, auricular concha and outer cover, also include inside the loudspeaker rear cover shaft, sinker and
Spring, the shaft middle part are provided with shaft plush copper, and described shaft one end is provided with adjusting slot, and ear is run through in described shaft one end
Shell is to auricular concha outer wall, and the corresponding auricular concha outer wall of adjusting slot is equipped with adjustment hole, covers after the loudspeaker and is provided with gas-guide tube
The volume of chamber, the airway lumen is adjusted by rotating shaft.
In a preferred embodiment, the horn disk is internally provided with Loudspeaker diaphragm, the noise reduction microphone face
It is arranged in the Loudspeaker diaphragm, the noise reduction microphone is set at the top of horn disk, and the loudspeaker are set to loudspeaker pan bottom, and institute
It states loudspeaker and noise reduction microphone gluing is fixed on the horn disk.
In a preferred embodiment, the horn disk bottom surface is provided with fixing groove, the fixing groove setting
For annular, the loudspeaker rear cover is bonded and fixed in the fixing groove of horn disk, and the loudspeaker are placed in horn disk and loudspeaker rear cover
Between.
In a preferred embodiment, the ear muff, auricular concha and outer cover are successively bonded as one from top to bottom, are formed
The shell of phonation unit, the horn disk, loudspeaker and loudspeaker rear cover are placed in the cavity between the ear muff and auricular concha.
In a preferred embodiment, airway lumen bottom end aperture is in the cavity inner surface of loudspeaker rear cover, top
Hold aperture exterior surface after loudspeaker, airway lumen middle opening exterior surface after loudspeaker.
In a preferred embodiment, the sinker is set in the airway lumen middle opening, the sinker
By the spring supporting between the loudspeaker rear cover, the shaft is set to the outer surface of the loudspeaker rear cover, and two sides
It is clamped with airway lumen outer wall activity, the shaft plush copper is crimped on the sinker.
In a preferred embodiment, the distance between the shaft plush copper outer wall surface and shaft are ascending gradually
Become, the shaft plush copper outer wall surface is spiral shell shape curved surface.
In a preferred embodiment, it is equipped with Phillips screwdriver outside the adjusting slot, the adjusting slot is set
It is set to cross, the Phillips screwdriver end is matched with adjusting slot.
In a preferred embodiment, the auricular concha interior side is equipped with pcb board and signal processing circuit, described
Pcb board bottom is provided with noise reduction switch, and the noise reduction switch runs through outer cover and extends to inside auricular concha to be connect with pcb board.
The technical effect and advantage of the utility model:
1, the utility model is matched using Phillips screwdriver with adjusting slot, rotating shaft, and shaft drives outer wall surface
It is rotated for the shaft plush copper of spiral shell shape curved surface, sinker is pushed by spring supporting and shaft plush copper, and the volume of airway lumen is gradually
Reduce, the volume of airway lumen is adjusted by rotating shaft and finely tunes loudspeaker vibration to adjust loudspeaker rear cover sound intermediate frequency vibratory flow
The phonation characteristics of film to optimize anti-acoustic capability, can greatly correct the parameters of loudspeaker, noise reduction microphone and signal processing circuit from
Noise reduction deviation caused by type is dissipated, asking for the noise reduction large percentage not up to standard that noise cancelling headphone occurs in batch production is effectively reduced
Topic, so that the production cost of noise cancelling headphone be made to be minimized；
2, adjusting slot is provided with by shaft one end, described shaft one end is through auricular concha to auricular concha outer wall, adjusting slot
Corresponding auricular concha outer wall is equipped with adjustment hole, and adjusting slot is set as cross, can be convenient and use Philip's head screw outside earphone
Shaft is adjusted in knife, easy to use.
Detailed description of the invention
Fig. 1 is the overall appearance structural representation of the utility model.
Fig. 2 is the phonation unit explosive view of the utility model.
Fig. 3 is the entirety sectional view of the utility model.
Fig. 4 is the phonation unit cross-sectional view of the utility model.
Fig. 5 is the loudspeaker rear cover cross-sectional view of the utility model.
Fig. 6 is the pivot structure schematic diagram of the utility model.
Fig. 7 is part A structural schematic diagram in Fig. 1 of the utility model.
Appended drawing reference are as follows: 1 wears component, 2 phonation units, 21 loudspeaker, 22 noise reduction microphones, 23 horn disks, 24 ear muffs, 25 loudspeakers
Rear cover, 26 auricular conchas, 27 outer covers, 3 shafts, 4 sinkers, 5 springs, 6 shaft plush coppers, 7 adjusting slots, 8 adjustment holes, 9 airway lumens,
10 fixing grooves, 11 pcb boards, 12 noise reduction switch.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1:
What the utility model provided that one kind as shown in Figs. 1-5 can correct noise reduction effect wears noise cancelling headphone device, packet
It includes and wears component 1 and be connected to the phonation unit 2 for wearing 1 both ends of component, the phonation unit 2 includes loudspeaker 21, noise reduction miaow
First 22, horn disk 23, ear muff 24, loudspeaker rear cover 25, auricular concha 26 and outer cover 27 also include shaft inside the loudspeaker rear cover 25
3, sinker 4 and spring 5 are provided with shaft plush copper 6 in the middle part of the shaft 3, and described 3 one end of shaft is provided with adjusting slot 7, described
3 one end of shaft is through auricular concha 26 to 26 outer wall of auricular concha, and corresponding 26 outer wall of auricular concha of adjusting slot 7 is equipped with adjustment hole 8, described
Airway lumen 9 is provided on loudspeaker rear cover 25, the volume of the airway lumen 9 is adjusted by rotating shaft 3；
By using Phillips screwdriver rotating shaft 3, shaft 3 drives shaft plush copper 6 to rotate, realize sinker 4 gradually under
It is heavy, the volume of airway lumen 9, which is adjusted, to adjust 25 sound intermediate frequency vibratory flow of loudspeaker rear cover finely tunes the sounding of 21 vibrating diaphragm of loudspeaker
Characteristic can greatly correct the parameter discrete type of loudspeaker 21, noise reduction microphone 22 and signal processing circuit to optimize anti-acoustic capability
Caused by noise reduction deviation, be effectively reduced noise reduction that noise cancelling headphone occurs in batch production not large percentage up to standard the problem of, from
And it is minimized the production cost of noise cancelling headphone.
Embodiment 2:
What one kind according to shown in Fig. 3-4 can correct noise reduction effect wears noise cancelling headphone device, inside the horn disk 23
It is provided with Loudspeaker diaphragm 13, the noise reduction microphone 22 is right against 21 vibrating diaphragm of the loudspeaker setting, and the noise reduction microphone 22 is set to
23 top of horn disk, the loudspeaker 21 are set to 23 bottom of horn disk, and the loudspeaker 21 and 22 gluing of noise reduction microphone are fixed on
On the horn disk 23；
23 bottom surface of horn disk is provided with fixing groove 10, and the fixing groove 10 is set as annular, after the loudspeaker
Lid 25 is bonded and fixed in the fixing groove 10 of horn disk 23, and the loudspeaker 21 are placed between horn disk 23 and loudspeaker rear cover 25,
Convenient for the Fast Installation of 21 three of loudspeaker rear cover 25, horn disk 23 and loudspeaker；
The ear muff 24, auricular concha 26 and outer cover 27 are successively bonded as one from top to bottom, form the shell of phonation unit 2,
The horn disk 23, loudspeaker 21 and loudspeaker rear cover 25 are placed in the cavity between the ear muff 24 and auricular concha 26；
26 interior side of auricular concha is equipped with pcb board 11 and signal processing circuit, and 11 bottom of pcb board is provided with noise reduction
Switch 12, the noise reduction switch 12 runs through outer cover 27 and extends to 26 inside of auricular concha to be connect with pcb board 11；
According to figure 5 it is a kind of can correct noise reduction effect wear noise cancelling headphone device, 9 bottom end of airway lumen is opened
Hole in the cavity inner surface of loudspeaker rear cover 25, top aperture in 25 outer surface of loudspeaker rear cover, 9 middle opening of airway lumen in
25 outer surface of loudspeaker rear cover；
The sinker 4 is set in 9 middle opening of airway lumen, between the sinker 4 and the loudspeaker rear cover 25
It is supported by the spring 5, the shaft 3 is set to the outer surface of the loudspeaker rear cover 25, and two sides and 9 outer wall of airway lumen
Activity clamping, the shaft plush copper 6 is crimped on the sinker 4, and when rotating shaft 3, shaft 3 drives shaft plush copper 6 to rotate,
It realizes the gradually sinking of sinker 4, adjusts the volume of airway lumen 9 to adjust 25 sound intermediate frequency vibratory flow of loudspeaker rear cover to finely tune
The phonation characteristics of 21 vibrating diaphragm of loudspeaker are to optimize anti-acoustic capability；
What one kind according to figure 6 can correct noise reduction effect wears noise cancelling headphone device, the 6 outer wall table of shaft plush copper
The ascending gradual change in the distance between face and shaft 3,6 outer wall surface of shaft plush copper are spiral shell shape curved surface, utilize the original of cam
Reason, convenient for realizing the gradually sinking of sinker 4 by the rotational angle for adjusting shaft and rising；
What one kind according to figure 7 can correct noise reduction effect wears noise cancelling headphone device, sets outside the adjusting slot 7
There is Phillips screwdriver, the adjusting slot 7 is set as cross, and the Phillips screwdriver end is matched with adjusting slot 7, just
In adjusting noise reduction.
Utility model works principle:
Noise cancelling headphone device is worn in use, specific amendment step is as follows:
Step 1: noise cancelling headphone device and noise reduction microphone 22, loudspeaker 21 and signal processing circuit composition one will be worn first
A noise reduction system, then noise cancelling headphone opens power supply；
Noise cancelling headphone is worn on head, and opens noise reduction switch 12 by step 2；
Phillips screwdriver is inserted into the adjusting slot 7 in the shaft 3 in adjustment hole 8 by step 3；
Step 4, rotary cross screwdriver, by 7 rotating shaft 3 of adjusting slot, shaft 3 rotates and drives shaft plush copper 6
Rotation, 6 outer wall surface of shaft plush copper is spiral shell shape curved surface, and 6 outer wall surface of shaft plush copper and the distance between shaft 3 are ascending
Gradual change, so that shaft plush copper 6 drives sinker 4 to gradually reduce downwards during rotation, the volume of airway lumen 9 constantly reduces,
By changing the volume of airway lumen 9,25 sound intermediate frequency vibratory flow of loudspeaker rear cover is adjusted, best noise reduction point is found by audition；
Step 5 terminates amendment.
The several points that should finally illustrate are: firstly, in the description of the present application, it should be noted that unless otherwise prescribed and
It limits, term " installation ", " connected ", " connection " shall be understood in a broad sense, can be mechanical connection or electrical connection, be also possible to two
Connection inside element, can be directly connected, and "upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when
The absolute position for being described object changes, then relative positional relationship may change；
Secondly: the utility model discloses in embodiment attached drawing, relates only to the structure being related to the embodiment of the present disclosure,
His structure, which can refer to, to be commonly designed, and under not conflict situations, the utility model the same embodiment and different embodiments can be mutual
Combination；
Last: the above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical
Within novel protection scope.
Claims (9)
1. what one kind can correct noise reduction effect wears noise cancelling headphone device, including wears component (1) and be connected to and wear component
(1) phonation unit (2) at both ends, it is characterised in that: the phonation unit (2) includes loudspeaker (21), noise reduction microphone (22), loudspeaker
Disk (23), ear muff (24), loudspeaker rear cover (25), auricular concha (26) and outer cover (27), the loudspeaker rear cover (25) is internal also to include
Shaft (3), sinker (4) and spring (5), shaft (3) middle part are provided with shaft plush copper (6), shaft (3) one end setting
Have adjusting slot (7), auricular concha (26) to auricular concha (26) outer wall, and the corresponding ear of adjusting slot (7) are run through in described shaft (3) one end
Shell (26) outer wall is equipped with adjustment hole (8), is provided with airway lumen (9) on the loudspeaker rear cover (25), the airway lumen (9)
Volume be adjusted by rotating shaft (3).
2. what one kind according to claim 1 can correct noise reduction effect wears noise cancelling headphone device, it is characterised in that: described
Horn disk (23) is internally provided with Loudspeaker diaphragm (13), and the noise reduction microphone (22) is right against the Loudspeaker diaphragm (13) setting,
The noise reduction microphone (22) is set at the top of horn disk (23), and the loudspeaker (21) are set to horn disk (23) bottom, and described
Loudspeaker (21) and noise reduction microphone (22) gluing are fixed on the horn disk (23).
3. what one kind according to claim 1 can correct noise reduction effect wears noise cancelling headphone device, it is characterised in that: described
Horn disk (23) bottom surface is provided with fixing groove (10), and the fixing groove (10) is set as annular, the loudspeaker rear cover (25)
It is bonded and fixed in the fixing groove (10) of horn disk (23), the loudspeaker (21) are placed in horn disk (23) and loudspeaker rear cover (25)
Between.
4. what one kind according to claim 1 can correct noise reduction effect wears noise cancelling headphone device, it is characterised in that: described
Ear muff (24), auricular concha (26) and outer cover (27) are successively bonded as one from top to bottom, form the shell of phonation unit (2), described
Horn disk (23), loudspeaker (21) and loudspeaker rear cover (25) are placed in the cavity between the ear muff (24) and auricular concha (26).
5. what one kind according to claim 1 can correct noise reduction effect wears noise cancelling headphone device, it is characterised in that: described
Airway lumen (9) bottom end aperture is in the cavity inner surface of loudspeaker rear cover (25), and top aperture is in loudspeaker rear cover (25) outer surface, institute
Airway lumen (9) middle opening is stated in loudspeaker rear cover (25) outer surface.
6. what one kind according to claim 5 can correct noise reduction effect wears noise cancelling headphone device, it is characterised in that: described
Sinker (4) is set in the airway lumen (9) middle opening, is passed through between the sinker (4) and the loudspeaker rear cover (25)
Spring (5) support, the shaft (3) are set to the outer surface of the loudspeaker rear cover (25), and two sides and airway lumen (9)
Outer wall activity clamping, the shaft plush copper (6) are crimped on the sinker (4).
7. what one kind according to claim 1 can correct noise reduction effect wears noise cancelling headphone device, it is characterised in that: described
The ascending gradual change of the distance between shaft plush copper (6) outer wall surface and shaft (3), shaft plush copper (6) outer wall surface are
Spiral shell shape curved surface.
8. what one kind according to claim 1 can correct noise reduction effect wears noise cancelling headphone device, it is characterised in that: described
Phillips screwdriver is equipped with outside adjusting slot (7), the adjusting slot (7) is set as cross, the Phillips screwdriver end
It is matched with adjusting slot (7).
9. what one kind according to claim 1 can correct noise reduction effect wears noise cancelling headphone device, it is characterised in that: described
Auricular concha (26) interior side is equipped with pcb board (11) and signal processing circuit, and pcb board (11) bottom is provided with noise reduction switch
(12), the noise reduction switch (12) is run through outer cover (27) and is extended to inside auricular concha (26) and connect with pcb board (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920076577.9U CN209299480U (en) | 2019-01-17 | 2019-01-17 | It is a kind of correct noise reduction effect wear noise cancelling headphone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920076577.9U CN209299480U (en) | 2019-01-17 | 2019-01-17 | It is a kind of correct noise reduction effect wear noise cancelling headphone device |
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| Publication Number | Publication Date |
|---|---|
| CN209299480U true CN209299480U (en) | 2019-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920076577.9U Active CN209299480U (en) | 2019-01-17 | 2019-01-17 | It is a kind of correct noise reduction effect wear noise cancelling headphone device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109618260A (en) * | 2019-01-17 | 2019-04-12 | 江西星浩实业有限公司 | It is a kind of correct noise reduction effect wear noise cancelling headphone device and modification method |
-
2019
- 2019-01-17 CN CN201920076577.9U patent/CN209299480U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109618260A (en) * | 2019-01-17 | 2019-04-12 | 江西星浩实业有限公司 | It is a kind of correct noise reduction effect wear noise cancelling headphone device and modification method |
| CN109618260B (en) * | 2019-01-17 | 2024-07-02 | 江西星浩实业有限公司 | Headset noise reduction earphone device capable of correcting noise reduction effect and correction method |
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