CN215268679U

CN215268679U - Novel electromagnetic type music earphone

Info

Publication number: CN215268679U
Application number: CN202121388930.0U
Authority: CN
Inventors: 张金明
Original assignee: Changzhou Yinrun Electronics Co ltd
Current assignee: Changzhou Yinrun Electronics Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-21
Anticipated expiration: 2031-06-22

Abstract

The utility model relates to a novel electromagnetic type music earphone, a serial communication port, include: the base is formed by injection molding of iron cores Fe and plastic particles; the vibrating diaphragm clamping groove is arranged at the edge of the base, the bottom of the base is provided with a threading hole, and the back of the base is provided with a signal input end; the coil L is sleeved into the iron core Fe, the end face of the bottom of the coil L is bonded with the bottom of the iron core Fe, and the wire end of the coil L penetrates through the threading hole and is welded to the signal input end; the magnetic ring C is bonded on the bottom of the iron core between the coil L and the base; the mass plate Za and the vibrating diaphragm Z are concentrically spot-welded into a whole and then buckled on the base; the coil L includes a first coil L1 and a second coil L2 electrically connected; the diaphragm Z includes a main diaphragm Z1 and a high-frequency compensation diaphragm Z2 electrically connected. By adopting the structure of the double coils and the double vibrating diaphragms, the sound effect of the earphone is effectively improved; by dividing the diaphragm Z into the main diaphragm Z1 and the high-frequency compensation diaphragm Z2, the frequency response range of the earphone can reach 20-15K, and the low frequency and the high frequency of the earphone are effectively improved.

Description

Novel electromagnetic type music earphone

Technical Field

The utility model relates to an earphone technical field, more specifically say, relate to a novel electromagnetic type music earphone.

Background

The electromagnetic earphone consists of mainly magnet, coil, vibrating diaphragm with high magnetic conductivity, casing, etc. The coil is sleeved on the magnet. The magnetism of the magnet has a certain attraction to the diaphragm, so that the diaphragm is slightly bent at ordinary times. When audio current passes through the coil, the electromagnet generates an alternating magnetic field, the alternating magnetic field can strengthen or weaken the total magnetic field, the vibrating membrane can be further bent or relaxed to generate vibration under the action of magnetic field attraction, and the surrounding air can vibrate correspondingly, so that sound is produced.

The existing electromagnetic earphone is also called as a voice earphone, the structure of the existing electromagnetic earphone generally adopts a single vibrating diaphragm and a single mass sheet, the single vibrating diaphragm is thicker, and when the voice frequency exceeds 300-3500Hz, the existing electromagnetic earphone lacks low frequency and high frequency, and has poor music listening effect.

Thus, significant advances in the art are needed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the foretell defect of prior art, provide a novel electromagnetic type music earphone, include:

the base is formed by injection molding of iron cores Fe and plastic particles;

the vibrating diaphragm clamping groove is arranged at the edge of the base, a threading hole is formed in the bottom of the base, and a signal input end is arranged on the back of the base;

the coil L is sleeved into the iron core Fe, the bottom of the coil L is connected with the bottom of the iron core Fe, and the wire end of the coil L penetrates through the threading hole and is welded to the signal input end;

the magnetic ring C is bonded on the bottom of the iron core between the coil L and the base;

the mass plate Za and the vibrating diaphragm Z are concentrically spot-welded into a whole and then buckled on the base;

wherein the coil L comprises a first coil L1 and a second coil L2 which are electrically connected; the diaphragm Z comprises a main diaphragm Z1 and a high-frequency compensation diaphragm Z2 which are electrically connected.

Preferably, the bottom of the L coil is connected with the bottom of the iron core Fe through glue.

Preferably, the first coil L1 and the second coil L2 are formed by concentrically and integrally winding enameled wires of the same specification in the same direction.

Preferably, the first coil L1 and the second coil L2 are connected in parallel.

Preferably, the first coil L1 and the second coil L2 are connected in series.

Preferably, the main diaphragm Z1 and the compensation diaphragm Z2 are concentrically spot-welded into a whole in a size sequence.

Preferably, the excircle size of the main diaphragm Z1 is matched with that of the base.

Preferably, the outer circle size of the compensation diaphragm Z2 is larger than the mass plate Za and smaller than the outer circle size of the main diaphragm Z1.

Implement the utility model discloses a novel electromagnetic type music earphone has following beneficial effect: by adopting the structure of the double coils and the double vibrating diaphragms, the sound effect of the earphone is effectively improved; through dividing vibrating diaphragm Z into main vibrating diaphragm Z1 and compensation diaphragm Z2, can reach 20-15K through the earphone frequency response scope that has changed, effectively improved the low frequency of earphone, the high frequency, the earphone has both kept the clear advantage of the voice of metal vibrating diaphragm, has compensated the low frequency, the high frequency that the music needs again.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts. The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a configuration diagram of a conventional electromagnetic earphone core;

fig. 2 is a diaphragm configuration diagram of a conventional electromagnetic earphone;

fig. 3 is a structural diagram of the movement of the electromagnetic music earphone of the present invention;

fig. 4 is a structural diagram of a vibrating diaphragm of the electromagnetic music earphone of the present invention;

FIG. 5 is a graph of a conventional electromagnetic headset;

fig. 6 is a graph of the electromagnetic music earphone of the present invention.

Fig. 1, 1-card slot; 2-magnetic ring C; 3-coil L; 31-first coil L1; 32-second coil L2; 4-iron core Fe; 5-vibrating a membrane; 51-master diaphragm Z1; 52-compensation diaphragm Z2; 6-mass tablet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Fig. 1 is a configuration diagram of a conventional electromagnetic earphone core; fig. 2 is a diaphragm configuration diagram of a conventional electromagnetic earphone; fig. 3 is a structural diagram of the movement of the electromagnetic music earphone of the present invention; fig. 4 is a structural diagram of the vibrating diaphragm of the electromagnetic music earphone of the present invention. Referring to fig. 1 to 4, a novel electromagnetic music earphone according to a first embodiment of the present invention at least includes:

the base is formed by injection molding of iron cores Fe and plastic particles;

the vibrating diaphragm clamping groove is arranged at the edge of the base, the bottom of the base is provided with a threading hole, and the back of the base is provided with a signal input end;

the coil L is sleeved into the iron core Fe, the bottom of the coil L is bonded with the bottom of the iron core Fe, and the wire end of the coil L penetrates through the threading hole and is welded to the signal input end;

the mass plate Za and the vibrating diaphragm Z are concentrically spot-welded into a whole and then buckled on the base.

The bottom of the L-shaped coil is bonded with the bottom of the iron core Fe through glue.

In order to properly reduce the middle frequency and the high frequency of the earphone, the low frequency and the high frequency are increased, and the audibility of music is increased on the premise of keeping the human voice clear. The coil L may include a first coil L1 and a second coil L2, and the first coil L1 and the second coil L2 are formed by concentrically and co-directionally winding enameled wires of the same specification and are simultaneously integrally wound.

The first coil L1 and the second coil L2 may be connected in parallel in the same direction, and the first coil L1 and the second coil L2 may be connected in series in the same direction, depending on the impedance requirements of the earphone.

The diaphragm Z comprises a main diaphragm Z1 and a compensation diaphragm Z2, and the main diaphragm Z1 and the compensation diaphragm Z2 are concentrically welded into a whole in a size sequence.

The excircle size of the main vibration diaphragm Z1 is matched with that of the base. In order to increase the low frequency, it is required that the thinner the frequency is, the better the reliability is ensured.

The excircle size of the compensation diaphragm Z2 is larger than the mass piece Za and smaller than the excircle size of the main vibration diaphragm Z1, and the thicker the compensation diaphragm is, the better the compensation diaphragm is. In specific implementation, the mass plate Za, the compensation diaphragm Z2 and the main vibration diaphragm Z1 are concentrically welded into a whole in a spot welding mode according to the size sequence.

FIG. 5 is a graph of a conventional electromagnetic headset; fig. 6 is a graph of the electromagnetic music earphone of the present invention. As shown in FIG. 5, the conventional electromagnetic earphone emphasizes the amplification of 300-3500Hz, and almost eliminates the low frequency 20-150 Hz and the high frequency after 5K required by music. Therefore, it can only be used for listening to the voice of a person, and the effect of listening to songs is poor. As shown in fig. 6, the utility model discloses the purpose of electromagnetic type music earphone is to promote low frequency, high frequency, suitably keeps the medium-high frequency, when making it reach good listening song effect, can keep the clear characteristics of voice again. May have market advantages in certain situations where it is desirable to hear the voice of a person. The single coil is changed into a double coil, and the double coils are connected in series or in parallel in the same phase, so that the sound effect, particularly the low frequency, can be effectively improved. Will change single vibrating diaphragm into two vibrating diaphragms, the vibrating diaphragm is divided the back, and the main vibrating diaphragm can be preferred for thin main vibrating diaphragm, can effectively promote the low frequency part. The compensation diaphragm is preferably a thick compensation diaphragm, which can effectively lift the high-frequency part. Therefore, the contradiction that the frequency of the traditional single-vibration film electromagnetic earphone needs to be reduced when the frequency is low and the frequency needs to be reduced when the frequency is high is well solved. The frequency response can effectively reach 20-15K, and the effect of listening to songs is met.

The utility model discloses a design of above embodiment, its beneficial effect is: by adopting the structure of the double coils and the double vibrating diaphragms, the sound effect of the earphone is effectively improved; through dividing into main vibrating diaphragm Z1 and high frequency compensation diaphragm Z2 to vibrating diaphragm Z, can reach 20-15K through the earphone frequency response scope that has changed, effectively improved the low frequency of earphone, the high frequency, the earphone has both kept the clear advantage of the voice of metal vibrating diaphragm, has compensated the low frequency high frequency that the music needs again.

While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. Furthermore, to adapt to the particular situation of the technology of the present invention, it is possible to make numerous modifications to the present invention without departing from its scope of protection. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a novel electromagnetic type music earphone which characterized in that includes:

the base is formed by injection molding of iron cores Fe and plastic particles;

the coil L is sleeved into the iron core Fe, the end face of the bottom of the coil L is bonded with the bottom of the iron core Fe, and the wire end of the coil L penetrates through the threading hole and is welded to the signal input end;

2. The electromagnetic music earphone according to claim 1, wherein the bottom of the L-shaped coil is bonded with the bottom of the Fe core by glue.

3. The electromagnetic music earphone according to claim 1, wherein the first coil L1 and the second coil L2 are made of enameled wires of the same specification wound together concentrically and in the same direction.

4. The electromagnetic music earphone according to claim 3 wherein the first coil L1 and the second coil L2 are connected in parallel and in phase.

5. The electromagnetic music earphone according to claim 3 wherein the first coil L1 and the second coil L2 are connected in series and in phase.

6. The electromagnetic music earphone according to claim 1, wherein the main diaphragm Z1 and the high-frequency compensation diaphragm Z2 are concentrically spot-welded into a whole in a size sequence.

7. The electromagnetic music earphone according to claim 6, wherein the excircle size of the main diaphragm Z1 matches the excircle size of the base.

8. The electromagnetic music earphone according to claim 6, wherein the outer circle of the high frequency compensation diaphragm Z2 is larger than the mass piece Za and smaller than the outer circle of the main vibration diaphragm Z1.