CN209930471U - Active noise reduction earphone - Google Patents

Abstract

The utility model is suitable for an earphone technical field provides an earphone of making an uproar falls initiatively, including the base that has first storage tank and second storage tank, install mainboard and magnet in first storage tank, install loudspeaker in the second storage tank, link to each other with the base in order to cover the upper cover of first storage tank, link to each other with the base in order to cover the lower cover of second storage tank, with the wire that the mainboard electricity is connected and install the ear arm on the lower cover, ear arm and second storage tank intercommunication. Compared with the structure that each part is arranged in the same cavity by the head-wearing type Bluetooth headset, the utility model has the advantages that the first containing groove and the second containing groove are respectively arranged on the two sides of the base, the mainboard and the magnet are respectively arranged in the first containing groove and are covered by the upper cover; the loudspeaker is arranged in the second accommodating groove and covered by the lower cover, so that each part can be arranged in the corresponding accommodating groove, the height requirement of each part is reduced, the size is greatly reduced, the noise reduction effect is effectively improved, and the loudspeaker is convenient to carry.

Description

Active noise reduction earphone

Technical Field

The utility model belongs to the technical field of the earphone, more specifically say, relate to an earphone of making an uproar falls in initiative.

Background

The active noise reduction function is to generate reverse sound waves equal to external noise through a noise reduction system to neutralize the noise, so that the noise reduction effect is realized. The principle is as follows: all sounds consist of a certain frequency spectrum which, if a sound can be found, is exactly the same as the noise to be cancelled, but exactly opposite in phase, it is possible to cancel this completely. With the increasing demands of consumers on the aspect, the active noise reduction technology is applied more and more widely, the related products are more and more, and the active noise reduction technology and the Bluetooth headset are applied more and more closely.

At present, the bluetooth headset with the active noise reduction function requires a large cavity of a loudspeaker in order to obtain a good noise reduction effect, and therefore, a head-wearing bluetooth headset is frequently adopted. However, this design has disadvantages: each part of the Bluetooth headset can not adapt to a smaller space, so that the Bluetooth headset is large in volume design, poor in noise reduction effect and inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an earphone of making an uproar falls in initiative to it is great to solve the bluetooth headset volume that has the function of making an uproar of falling in the initiative that exists among the prior art, and noise reduction effect is not good, the inconvenient problem of carrying.

In order to achieve the above object, the utility model adopts the following technical scheme: an active noise reducing headphone is provided, comprising:

the device comprises a base, a first accommodating groove and a second accommodating groove, wherein the first accommodating groove is provided with an opening end, the second accommodating groove is provided with an opening end, and the opening end of the first accommodating groove and the opening end of the second accommodating groove are oppositely arranged;

the main board is arranged in the first accommodating groove;

the magnet is arranged in the first accommodating groove;

one end of the lead is electrically connected with the mainboard, and the other end of the lead extends out of the base;

the upper cover is connected with the base to cover the open end of the first accommodating groove;

the loudspeaker is arranged in the second accommodating groove and is electrically connected with the main board;

the lower cover is connected with the base to cover the open end of the second accommodating groove;

the ear arm is arranged on the lower cover and is used for transmitting the sound generated by the loudspeaker to ears;

the ear arm is hollow, and the lower cover is provided with a strip hole for communicating the ear arm with the second accommodating groove.

Furthermore, the active noise reduction earphone further comprises two partition plates arranged in the first accommodating groove at intervals, the two partition plates and the corresponding inner side wall of the first accommodating groove enclose an arc-shaped groove for accommodating the magnet, a positioning groove for accommodating the mainboard is formed in the bottom surface of the first accommodating groove, and the positioning groove is formed between the two partition plates.

The active noise reduction earphone further comprises a support column arranged on the base, the support column is of a hollow configuration, a first round hole for communicating the support column with the second accommodating groove is formed in the base, a second round hole for the lead to pass through is formed in the bottom surface of the second accommodating groove, and the first accommodating groove is communicated with the second accommodating groove through the second round hole; the wires penetrate through the supporting columns, and the wires penetrate through the first round holes and the second round holes respectively and are electrically connected with the main board.

Furthermore, the conducting wire comprises a wire core, a protective layer wrapping the wire core, an annular hoop sleeved and fixed on the protective layer, and the active noise reduction earphone further comprises two vertical plates arranged in the second accommodating groove at intervals and a connecting plate connecting the two vertical plates; and an accommodating space is enclosed among the two vertical plates, the connecting plate and the corresponding side wall of the second accommodating groove, the annular hoop is arranged in the accommodating space, and the first round hole is positioned between the two vertical plates.

Furthermore, a through hole is formed in the side face, facing the bottom face of the first accommodating groove, of the upper cover, and the active noise reduction earphone further comprises a sound insulation sheet which is installed on the upper cover to cover the through hole.

Furthermore, a through hole is formed in the base, the active noise reduction earphone further comprises a ventilation sheet covering the through hole, and the ventilation sheet is installed on the base.

Furthermore, the lower cover is provided with an opening, the active noise reduction earphone further comprises a sponge sheet covering the opening, and the sponge sheet is mounted on the lower cover.

Furthermore, the lower cover is provided with a mounting groove, the opening is formed in the bottom surface of the mounting groove, and the sponge sheet is mounted in the mounting groove.

Furthermore, the active noise reduction earphone further comprises a filter sheet covering the opening end of the ear arm, and the filter sheet is installed at one end, far away from the lower cover, of the ear arm.

Furthermore, a ring-shaped fixing groove for positioning and installing the earplugs is formed in the ear arms.

The utility model provides an earphone of making an uproar falls in initiative's beneficial effect lies in: compared with the structure that each part is arranged in the same cavity by the head-wearing type Bluetooth headset, the utility model has the advantages that the first containing groove and the second containing groove are respectively arranged on the two sides of the base, the mainboard and the magnet are respectively arranged in the first containing groove and are covered by the upper cover; the loudspeaker is arranged in the second accommodating groove and covered by the lower cover, so that each part can be arranged in the corresponding accommodating groove, the height requirement of each part is reduced, the size is greatly reduced, the noise reduction effect is effectively improved, and the loudspeaker is convenient to carry.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an active noise reduction earphone according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of an active noise reduction earphone according to an embodiment of the present invention;

fig. 3 is a first schematic structural diagram of a base according to an embodiment of the present invention;

fig. 4 is a second schematic structural diagram of a base according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a lead according to an embodiment of the present invention;

fig. 6 is a first schematic structural diagram of a lower cover according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a lower cover according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-a base; 10-a via hole; 11-a first receiving groove; 12-a second accommodating groove; 121-a riser; 122-a connecting plate; 13-a separator; 131-a first section; 132-a second segment; 14-arc groove; 15-positioning grooves; 16-a support column; 17-a first circular aperture; 18-a second circular aperture; 19-breathable sheets;

2-a wire; 21-a wire core; 22-a protective layer; 23-a ring-shaped hoop;

3-covering the cover; 30-a through hole; 31-sound insulation sheet;

4-lower cover; 40-elongated holes; 41-opening a hole; 42-sponge sheet; 43-a mounting groove; 44-ear arm; 441-ring type fixing groove; 442-a filter disc;

5, a main board; 6-a magnet; 7-a loudspeaker.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 to fig. 7, an active noise reduction earphone according to an embodiment of the present invention will be described. The active noise reduction earphone comprises a base 1, wherein a first accommodating groove 11 and a second accommodating groove 12 are respectively formed in two sides of the base 1, and the open end of the first accommodating groove 11 and the open end of the second accommodating groove 12 are arranged in a back-to-back manner; and further comprises an upper cover 3 connected with the base 1 to cover the first containing groove 11 and a lower cover 4 connected with the base 1 to cover the second containing groove 12. A main board 5 and a magnet 6 are arranged in the first accommodating groove 11, a loudspeaker 7 is arranged in the second accommodating groove 12, and the loudspeaker 7 is electrically connected with the main board 5; the loudspeaker also comprises a lead 2 with one end electrically connected with the mainboard 5 and the other end extending out of the base 1, and a hollow ear arm 44, wherein the lower cover 4 is provided with a long hole 40, the ear arm 44 can be communicated with the second accommodating groove 12 through the long hole 40, and the sound generated by the loudspeaker 7 can be transmitted to the ear of a user through the ear arm 44.

Optionally, the upper cover 3 is a hardware piece; the base 1 and the upper cover 3 can be bonded and fixed through the double-sided adhesive tape, and the thickness of the double-sided adhesive tape is very thin, so that the thickness of the active noise reduction earphone can be effectively reduced through bonding of the double-sided adhesive tape compared with the base 1 and the upper cover 3 through other assembling modes such as a buckle. The base 1 and the lower cover 4 can be assembled in an ultrasonic mode, a waterproof and sweat-proof effect can be achieved, and compared with the base 1 and the lower cover 4, the thickness of the active noise reduction earphone can be further effectively reduced through other assembling modes such as clamping buckles.

Alternatively, the main Board 5 may be a Printed Circuit Board (PCB) Board, which is not limited herein.

Compared with the structure that each part is arranged in the same cavity by the head-mounted bluetooth headset, the active noise reduction headset provided by the embodiment of the utility model has the advantages that the first accommodating groove 11 and the second accommodating groove 12 are respectively arranged on the two sides of the base 1, the main board 5 and the magnet 6 are respectively arranged in the first accommodating groove 11 and are covered by the upper cover 3; the loudspeaker 7 is arranged in the second accommodating groove 12 and is covered by the lower cover 4, so that each part can be arranged in the corresponding accommodating groove, the height requirement of each part is reduced, the size is greatly reduced, the noise reduction effect can be effectively improved, and the carrying is convenient.

Further, please refer to fig. 2 and fig. 3 together, as an embodiment of the present invention provides an active noise reduction earphone, which further includes two partition boards 13 installed in the first accommodating groove 11 at intervals, the two partition boards 13 and the corresponding inner side wall of the first accommodating groove 11 enclose the arc-shaped groove 14 for accommodating the magnet 6, the bottom surface of the first accommodating groove 11 is provided with a positioning groove 15 for accommodating the main board 5, and the positioning groove 15 is disposed between the two partition boards 13. Specifically, each partition plate 13 includes a first segment 131 and an arc-shaped second segment 132 connected to the first segment 131, and the two first segments 131, the two second segments 132 and the corresponding inner side walls of the first receiving groove 11 enclose an arc-shaped groove 14. The magnet 6 is in the shape of a semicircular arc, and the magnet 6 can be arranged in the arc-shaped groove 14. With the structure, the main board 5 can be arranged in the positioning groove 15, so that the thickness of the active noise reduction earphone can be reduced, and the positioning groove 15 can realize the positioning installation of the main board 5. Magnet 6 can surround mainboard 5 to only need satisfy the thickness of a part can, thereby effectively reduce the thickness of the earphone of making an uproar of falling initiatively.

Further, please refer to fig. 2 and fig. 4 together, as a specific implementation manner of the active noise reduction earphone according to an embodiment of the present invention, the active noise reduction earphone further includes a supporting pillar 16 installed on the base 1, the supporting pillar 16 is of a hollow configuration, the base 1 is provided with a first circular hole 17 communicating the supporting pillar 16 with the second accommodating groove 12, the bottom surface of the second accommodating groove 12 is provided with a second circular hole 18 for the wire 2 to pass through, and the second circular hole 18 communicates the first accommodating groove 11 with the second accommodating groove 12; the wires 2 are disposed through the supporting posts 16, and the wires 2 respectively pass through the first round hole 17 and the second round hole 18 and are electrically connected to the main board 5. In the structure, the wires 2 pass through the supporting posts 16, extend into the second accommodating grooves 12 through the first round holes 17, extend into the first accommodating grooves 11 through the second round holes 18 and are electrically connected with the main board 5 in a welding manner, and one ends of the wires 2 extending out of the base 1 can be communicated with an external circuit. Through setting up wire 2 in second storage tank 12 and stretching into first storage tank 11, be favorable to reducing the occupation space of first storage tank 11, the wiring of being convenient for the volume of the earphone of making an initiative and making an uproar is small and exquisite.

Further, please refer to fig. 4 and fig. 5 together, as a specific implementation manner of the active noise reduction earphone according to an embodiment of the present invention, the wire 2 includes a wire core 21, a protective layer 22 wrapping the wire core 21, and a ring hoop 23 fixed on the protective layer 22, and the active noise reduction earphone further includes two risers 121 installed at intervals in the second accommodating groove 12 and a connecting plate 122 connecting the two risers 121; one end of each vertical plate 121 is connected with the side wall of the second accommodating groove 12, the other end is connected with the bottom surface of the second accommodating groove 12, the first round hole 17 is arranged between the two vertical plates 121, a synthetic accommodating space is enclosed between the two vertical plates 121, the connecting plate 122 and the corresponding side wall of the second accommodating groove 12, and the annular hoop 23 is arranged in the accommodating space. In this structure, the annular hoop 23 is disposed in the accommodating space, one side of the annular hoop 23 can be blocked by the corresponding side wall of the second accommodating groove 12, and the other side can be blocked by the connecting plate 122, so that the installation stability of the wire 2 can be realized, the phenomenon that the wire 2 falls off or is broken from the main board 5 under the action of external force can be avoided, and the connection safety of the wire 2 can be improved.

Further, please refer to fig. 2 together, as a specific implementation manner of the active noise reduction earphone according to the embodiment of the present invention, the side of the upper cover 3 facing the bottom surface of the first accommodating groove 11 is provided with a through hole 30, and the active noise reduction earphone further includes a sound insulation sheet 31 installed on the upper cover 3 to cover the through hole 30. According to the structure, air can conveniently flow in and out through the through hole 30, the internal pressure of the earphone is balanced, the built-in loudspeaker 7 can vibrate more freely and smoothly, so that a better auditory effect is brought, tone quality is released in the ear to be more pleasant and dynamic, a better tone quality and a bass effect are created, noise in the direction can be offset, and the noise reduction effect of the active noise reduction earphone is effectively improved; the sound insulation sheet 31 can prevent external dust and other pollutants from entering, and can also discharge heat inside the active noise reduction earphone, thereby being beneficial to prolonging the service life of the active noise reduction earphone.

Further, please refer to fig. 2 and fig. 3 together, as a specific implementation manner of the active noise reduction earphone provided by the embodiment of the present invention, the base 1 is provided with a via hole 10, the active noise reduction earphone further includes a vent sheet 19 covering the via hole 10, and the vent sheet 19 is installed on the base 1. According to the structure, air can conveniently flow in and out through the through hole 10, the internal pressure of the earphone is balanced, and the built-in loudspeaker 7 can vibrate more freely and smoothly, so that a better auditory effect is brought, tone quality is released in the ear to be more pleasant and dynamic, a better tone quality and a bass effect are created, noise in the direction can be offset, and the noise reduction effect of the active noise reduction earphone is effectively improved; can prevent pollutants such as outside dust from getting into through ventilative piece 19, also can be with the inside heat discharge of earphone of falling initiatively making an uproar, help prolonging the life of earphone of falling initiatively making an uproar.

Further, please refer to fig. 2 and fig. 6 together, as a specific implementation manner of the active noise reduction earphone provided by the embodiment of the present invention, the lower cover 4 is provided with an opening 41, the active noise reduction earphone further includes a sponge sheet 42 covering the opening 41, and the sponge sheet 42 is installed on the lower cover 4. According to the structure, the opening 41 is convenient for air to flow in and out, the internal pressure of the earphone is balanced, and the built-in loudspeaker 7 vibrates more freely and smoothly, so that a better auditory effect is brought, tone quality is released in the ear to be more pleasant and dynamic, a better tone quality and a bass effect are created, noise in the direction can be offset, and the noise reduction effect of the active noise reduction earphone is effectively improved; the sponge sheet 42 can prevent external dust and other pollutants from entering, and can also discharge heat inside the active noise reduction earphone, thereby being beneficial to prolonging the service life of the active noise reduction earphone.

Further, please refer to fig. 6, which is a specific implementation manner of the active noise reduction earphone according to the embodiment of the present invention, the lower cover 4 is provided with a mounting groove 43, the opening 41 is provided on a bottom surface of the mounting groove 43, and the sponge sheet 42 is mounted in the mounting groove 43. This structure through mounting groove 43 location installation sponge piece 42, can reduce the thickness that occupies of sponge piece 42, and then can reduce the whole thickness of the earphone of making an uproar of falling voluntarily, the quick installation in the location of the sponge piece 42 of also being convenient for.

Further, referring to fig. 2, as a specific implementation manner of the active noise reduction earphone according to the embodiment of the present invention, the active noise reduction earphone further includes a filter 442 covering the open end of the ear arm 44, and the filter 442 is mounted at one end of the ear arm 44 away from the lower cover 4. This structure can effectively avoid pollutants such as outside dust to get into the earphone of making an uproar of falling voluntarily through filter 442 inside, helps prolonging the life of the earphone of making an uproar of falling voluntarily.

Further, referring to fig. 6 and fig. 7, as a specific implementation of the active noise reduction earphone according to the embodiment of the present invention, a ring-shaped fixing groove 441 for positioning and installing the earplug is formed on the ear arm 44. The earplug can be fixed through the ring-shaped fixing groove 441, so that the dropping of the earplug is effectively prevented, and the comfort level of a user can be improved when the earplug is worn.

Optionally, the active noise reduction earphone may include earplugs (not shown) mounted to the ear arms 44 to protect the user's ears and improve the comfort of the user wearing the active noise reduction earphone.

This earphone of making an uproar falls in initiative can use two earphones simultaneously when using, the utility model discloses only explain one of them, another is the same with it, no longer gives unnecessary details here one by one.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. An active noise reduction earphone, comprising:

the device comprises a base, a first accommodating groove and a second accommodating groove, wherein the first accommodating groove is provided with an opening end, the second accommodating groove is provided with an opening end, and the opening end of the first accommodating groove and the opening end of the second accommodating groove are oppositely arranged;

the main board is arranged in the first accommodating groove;

the magnet is arranged in the first accommodating groove;

one end of the lead is electrically connected with the mainboard, and the other end of the lead extends out of the base;

the upper cover is connected with the base to cover the open end of the first accommodating groove;

the loudspeaker is arranged in the second accommodating groove and is electrically connected with the main board;

the lower cover is connected with the base to cover the open end of the second accommodating groove;

the ear arm is arranged on the lower cover and is used for transmitting the sound generated by the loudspeaker to ears;

the ear arm is hollow, and the lower cover is provided with a strip hole for communicating the ear arm with the second accommodating groove.

2. The active noise reduction earphone of claim 1 wherein: the active noise reduction earphone further comprises two partition plates arranged in the first accommodating groove at intervals, the two partition plates and the corresponding inner side wall of the first accommodating groove are enclosed to form an arc-shaped groove for accommodating the magnet, a positioning groove for accommodating the mainboard is formed in the bottom surface of the first accommodating groove, and the positioning groove is formed between the two partition plates.

3. The active noise reduction earphone of claim 1 wherein: the active noise reduction earphone further comprises a support column arranged on the base, the support column is of a hollow configuration, a first round hole for communicating the support column with the second accommodating groove is formed in the base, a second round hole for the lead to pass through is formed in the bottom surface of the second accommodating groove, and the first accommodating groove is communicated with the second accommodating groove through the second round hole; the wires penetrate through the supporting columns, and the wires penetrate through the first round holes and the second round holes respectively and are electrically connected with the main board.

4. The active noise reduction earphone of claim 3 wherein: the active noise reduction earphone comprises a wire core, a protective layer wrapping the wire core, an annular hoop sleeved and fixed on the protective layer, two vertical plates arranged in the second accommodating groove at intervals and a connecting plate connecting the two vertical plates; and an accommodating space is enclosed among the two vertical plates, the connecting plate and the corresponding side wall of the second accommodating groove, the annular hoop is arranged in the accommodating space, and the first round hole is positioned between the two vertical plates.

5. The active noise reduction earphone of claim 1 wherein: the side surface of the upper cover facing the bottom surface of the first accommodating groove is provided with a through hole, and the active noise reduction earphone further comprises a sound insulation sheet which is arranged on the upper cover and covers the through hole.

6. The active noise reduction earphone of claim 1 wherein: the base is provided with a through hole, the active noise reduction earphone further comprises a ventilation sheet covering the through hole, and the ventilation sheet is installed on the base.

7. The active noise reduction earphone of claim 1 wherein: the lower cover is provided with an opening, the active noise reduction earphone further comprises a sponge sheet covering the opening, and the sponge sheet is mounted on the lower cover.

8. The active noise reduction earphone of claim 7 wherein: the lower cover is provided with a mounting groove, the opening is formed in the bottom surface of the mounting groove, and the sponge sheet is mounted in the mounting groove.

9. The active noise reduction earphone of claim 1 wherein: the active noise reduction earphone further comprises a filter sheet covering the opening end of the ear arm, and the filter sheet is installed at one end, far away from the lower cover, of the ear arm.

10. The active noise reduction earphone of any one of claims 1-9 wherein: and a ring-shaped fixing groove for positioning and installing the earplugs is formed in the ear arms.

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