CN210641066U

CN210641066U - High-performance moving-coil vehicle-mounted loudspeaker device

Info

Publication number: CN210641066U
Application number: CN201921678777.8U
Authority: CN
Inventors: 伍子垣
Original assignee: Guangzhou Euroshine Electronics Co ltd
Current assignee: Guangzhou Euroshine Electronics Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-05-29
Anticipated expiration: 2029-10-09

Abstract

The utility model belongs to the technical field of electroacoustic transducer, especially, a high performance moving coil vehicle mounted speaker device, including the device main part, when moving coil vehicle mounted speaker worked, the current-carrying conductor passed through the magnetic field, through the mutual cooperation work between first magnetic conduction board, second magnetic conduction board, drive magnet and the magnetic conduction stem, can receive an electrodynamic force, and the power is mutually perpendicular with electric current, magnetic field direction, has formed the alternating audio current; when alternating audio current is input into a voice coil wound on a voice coil guide cylinder, the voice coil generates alternating motion under the action of an alternating driving force to drive a voice diaphragm coated with a graphene layer to vibrate and repeatedly push air to make a sound; the heat that the friction between voice coil loudspeaker voice coil and the air and the friction between voice coil loudspeaker voice coil and the drive magnet all produced absorbs the heat that the inside during operation of device main part produced rapidly by the heat pipe of the inner wall of device main part, dispels the heat outside the speaker with the heat again, has improved moving coil type vehicle mounted speaker's life.

Description

High-performance moving-coil vehicle-mounted loudspeaker device

Technical Field

The utility model relates to an electroacoustic transducer technical field, concretely relates to high performance moving coil formula vehicle mounted speaker device.

Background

Moving coil speakers are also known as dynamic speakers. The working principle of the moving-coil loudspeaker is that according to Faraday's law, when a current-carrying conductor passes through a magnetic field, it is subjected to an electrodynamic force, the direction of which conforms to the Fleming left-hand rule, the force is perpendicular to the direction of the current and the direction of the magnetic field, and the force is in direct proportion to the current, the length of a lead and the magnetic flux density. When the voice coil inputs alternating audio current, the voice coil generates alternating motion by an alternating driving force to drive the cone to vibrate and repeatedly push air to produce sound.

According to the existing high-performance moving-coil vehicle-mounted loudspeaker device, when the moving-coil vehicle-mounted loudspeaker works, certain heat can be generated by friction between a voice coil and air and friction between the voice coil and a driving magnet, if the voice coil cannot rapidly dissipate heat, the driving magnet can generate a thermal demagnetization effect, the magnetic performance of the driving magnet is finally reduced or completely demagnetized, the voice coil is deformed and damaged due to heat accumulation, and the service life of the moving-coil loudspeaker is shortened; most of sound films in the current market are made of aluminum alloy films, the aluminum alloy films are relatively heavy and poor in rigidity, deformation and even breakage are easy to occur due to fatigue in the continuous vibration process, and the service life of the moving-coil vehicle-mounted loudspeaker is also shortened.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the utility model provides a high-performance moving-coil type vehicle-mounted loudspeaker device, which can quickly distribute the heat generated by a voice coil, thereby prolonging the service life of the moving-coil type vehicle-mounted loudspeaker; the defects of heavy weight and easy damage of the traditional sound film are effectively overcome, and the rigidity of the sound film and the sound quality of the loudspeaker are improved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high performance moving coil vehicle loudspeaker device, includes the device main part, the heat pipe embedding sets up the lateral wall in the device main part, the internally mounted of device main part has two drivers, two the centre of driver is equipped with the arc top, the inside of device main part is provided with the sound membrane, the equal spraying of inside and outside surface of sound membrane has graphite alkene layer, roll over the ring is installed to the upper end of device main part, the sound membrane pastes between device main part and roll over the ring, the support is installed to the bottom of device main part.

In order to laminate heat pipe and device main part, conduct the utility model relates to a high performance moving coil type vehicle mounted speaker device is preferred, the shape of heat pipe all is "eight" word form with the shape of device main part.

In order to form the alternation audio current, as the utility model relates to a high performance moving-coil vehicle mounted speaker device is preferred, the driver includes the magnetic conduction stem, the left and right sides of magnetic conduction stem all is provided with second magnetic conduction board, two the equal fixedly connected with drive magnet of lower terminal surface of second magnetic conduction board, the lower extreme of driver is provided with first magnetic conduction board, the up end and the second magnetic conduction board and the drive magnet fixed connection of first magnetic conduction board, the lower terminal surface and the inside bottom fixed connection of device main part of first magnetic conduction board.

In order to make the installation accuracy of sound membrane location and speaker, as the utility model relates to a high performance moving coil type vehicle mounted speaker device is preferred, the up end fixedly connected with basin frame of second magnetic conduction board, the sound membrane is erect on the basin frame, the outer wall and the basin frame fixed connection of sound membrane.

In order to make the speaker make a sound, as the utility model relates to an it is preferred that high performance moving coil type vehicle mounted speaker device, the equal fixedly connected with voice coil loudspeaker voice coil guide cylinder in both sides of the up end of magnetic conduction stem, the outside winding of voice coil loudspeaker voice coil guide cylinder has the voice coil loudspeaker voice coil, the upper end of voice coil loudspeaker voice coil guide cylinder and the marginal fixed connection at arc top.

For the speaker is more stable in the car, as the utility model relates to a high performance moving coil type vehicle mounted speaker device is preferred, the support includes the support frame seat, the both ends fixedly connected with backup pad of support frame seat.

In order to make things convenient for speaker and other parts can fixed connection, as the utility model relates to an it is preferred that high performance moving coil type vehicle mounted speaker device, the upper end of support frame base is run through and is seted up the fixed orifices of using with the fixed usefulness of other parts of speaker.

All be very good for the sound characteristic, speaker tone quality is better, prevents the electric leakage condition, as the utility model relates to a high performance moving coil type vehicle mounted speaker device is preferred, the material of sound membrane is polypropylene, the material of book ring is natural rubber.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the inner wall of the device main body is composed of the heat pipe, the heat pipe is a passive heat transfer element with extremely high heat conductivity, heat generated when the device main body works can be rapidly absorbed through the heat pipe, and then the heat is discharged out of the loudspeaker to dissipate heat, so that the service life of the moving-coil loudspeaker is prolonged.

2. This kind of high performance moving coil vehicle mounted loudspeaker device, the polypropylene vibrating diaphragm has high cloudy buddhist nun characteristic, do not receive the wet influence, can mould the thickness of casting out any needs and pu form, matter is light and hard, physical characteristic and sound characteristic are all very good, it has graphite alkene layer all to spray on the internal and external surface of sound membrane again, graphite alkene layer has the characteristics that the quality is light, intensity is high, toughness is good, the defect that traditional sound membrane weight is big, easily damaged has effectively been overcome, the rigidity of sound membrane and the tone quality of speaker have been improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is an overall structure diagram of the present invention;

fig. 2 is a cross-sectional view of a high-performance moving-coil vehicle-mounted speaker device of the present invention;

FIG. 3 is a view of the structure of the actuator of the present invention;

FIG. 4 is a diagram of the sound diaphragm structure of the present invention;

FIG. 5 is a view showing the structure of the main body of the device of the present invention;

in the figure, 1, an apparatus main body; 101. a heat pipe; 102. a driver; 2. folding the ring; 3. a sound membrane; 301. arc top; 302. a graphene layer; 4. a first magnetic conductive plate; 401. a second magnetic conductive plate; 5. a drive magnet; 6. a voice coil guide cylinder; 601. a voice coil; 7. a magnetically conductive core column; 8. a basin stand; 9. a support; 901. a support base; 902. a support plate; 903. and (7) fixing holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "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 merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a high performance moving coil vehicle mounted speaker device, including the device main part, heat pipe 101 embedding sets up the lateral wall in device main part 1, the internally mounted of device main part 1 has two drivers 102, the centre of two drivers 102 is equipped with arc top 301, the inside of device main part 1 is provided with sound membrane 3, the interior surface and the exterior surface of sound membrane 3 have all been sprayed graphene layer 302, fold ring 2 is installed to the upper end of device main part 1, sound membrane 3 pastes between device main part 1 and fold ring 2, support 9 is installed to the bottom of device main part 1.

In this embodiment: the inner wall of the device main body 1 is composed of the heat pipe 101, the heat pipe 101 is a passive heat transfer element with extremely high heat conductivity, the heat pipe 101 can rapidly absorb heat generated in the device main body 1 during working and then discharge the heat out of the loudspeaker, and the service life of the moving-coil loudspeaker is prolonged; two drivers 102 are arranged in the device main body 1, so that the rigidity is greatly increased, the frequency response is wide, and the power is high; there is one deck sound membrane 3 device main part 1 upper surface, and the equal spraying of inside and outside surface of sound membrane 3 has graphite alkene layer 302, and graphite alkene layer 302 has the characteristics that the quality is light, intensity is high, toughness is good, has effectively overcome the defect that traditional sound membrane 3 weight is big, fragile, has improved the rigidity of sound membrane 3 and the tone quality of speaker.

Specifically, the shape of the heat pipe 101 and the shape of the apparatus main body 1 are both in the shape of a "chevron".

In this embodiment: the shape of the heat pipe 101 and the shape of the apparatus main body 1 are both in a shape of a Chinese character 'ba', and the heat pipe 101 and the apparatus main body 1 can be attached to each other.

Specifically, driver 102 includes magnetic core column 7, and the left and right sides of magnetic core column 7 all is provided with second magnetic conduction board 401, and the equal fixedly connected with drive magnet 5 of lower terminal surface of two second magnetic conduction boards 401, and the lower extreme of driver 102 is provided with first magnetic conduction board 4, the up end and second magnetic conduction board 401 and drive magnet 5 fixed connection of first magnetic conduction board 4, the lower terminal surface and the inside bottom fixed connection of device main part 1 of first magnetic conduction board 4.

In this embodiment: when the current-carrying conductor passes through the magnetic field, the first magnetic conduction plate 4, the second magnetic conduction plate 401, the driving magnet 5 and the magnetic conduction core column 7 are matched with each other to work, so that an electrodynamic force is applied, the force is perpendicular to the direction of the current and the direction of the magnetic field, and an alternating audio current is formed.

Specifically, the upper end surface of the second magnetic conduction plate 401 is fixedly connected with a basin frame 8, the sound film 3 is erected on the basin frame 8, and the outer wall of the sound film 3 is fixedly connected with the basin frame 8.

In this embodiment: the sound film 3 can be bonded on the basin frame 8 by glue, so that the sound film 3 is convenient to position, and the mounting precision of the loudspeaker is also ensured.

Specifically, both sides of the upper end face of the magnetic core column 7 are fixedly connected with the voice coil guide cylinder 6, the voice coil 601 is wound on the outer side of the voice coil guide cylinder 6, and the upper end of the voice coil guide cylinder 6 is fixedly connected with the edge of the arc top 301.

In this embodiment: when alternating audio current is input to the voice coil 601 wound around the voice coil guide cylinder 6, the voice coil 601 is subjected to an alternating driving force to generate an alternating motion, so that the voice diaphragm 3 is driven to vibrate, and air is repeatedly pushed to make a sound.

Specifically, the support 9 includes a support base 901, and two ends of the support base 901 are fixedly connected with support plates 902.

In this embodiment: in order to stabilize the speaker in the vehicle, a bracket 9 is fixedly attached to the bottom of the apparatus main body 1.

Specifically, the upper end of the stand base 901 is provided with a fixing hole 903 for fixing other components of the speaker.

In this embodiment: in order to facilitate the fixed connection of the speaker to other components, a fixing hole 903 is formed in the supporting plate 902.

Specifically, the sound diaphragm 3 is made of Polypropylene, and the folding ring 2 is made of natural rubber.

In this embodiment: the polypropylene diaphragm has extremely high damping characteristic, is not affected by moisture, can be molded into any required thickness and shape, is light and hard, has excellent physical characteristic and sound characteristic, and is not easy to conduct electricity because rubber is an insulator.

The utility model discloses a theory of operation and use flow: when the moving-coil vehicle-mounted speaker works, two drivers 102 are installed inside the device main body 1, a current-carrying conductor passes through a magnetic field, and through the mutual matching work among the first magnetic conduction plate 4, the second magnetic conduction plate 401, the driving magnet 5 and the magnetic conduction core column 7, an electrodynamic force is applied, the force is perpendicular to the current and the direction of the magnetic field, so that alternating audio current is formed, when the alternating audio current is input to the voice coil 601 wound on the voice coil guide cylinder 6, the voice coil 601 generates alternating motion by an alternating driving force, so that the voice diaphragm 3 coated with the graphene layer 302 is driven to vibrate, and air is repeatedly pushed to make a sound; the heat generated by the friction between the voice coil 601 and the air and the friction between the voice coil 601 and the driving magnet 5 is quickly absorbed by the heat pipe 101 on the inner wall of the device body 1 when the device body 1 works, and then the heat is discharged out of the loudspeaker to dissipate the heat, so that the service life of the moving-coil vehicle-mounted loudspeaker is prolonged.

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

Claims

1. A high-performance moving-coil type vehicle-mounted speaker device includes a device main body (1) and a heat pipe (101), characterized in that: the embedding of heat pipe (101) sets up the lateral wall in device main part (1), the internally mounted of device main part (1) has two drivers (102), two the centre of driver (102) is equipped with arc top (301), the inside of device main part (1) is provided with sound membrane (3), the equal spraying of inside and outside surface of sound membrane (3) has graphite alkene layer (302), dog-ear (2) are installed to the upper end of device main part (1), paste between device main part (1) and dog-ear (2) sound membrane (3), support (9) are installed to the bottom of device main part (1).

2. A high-performance moving-coil vehicular speaker device according to claim 1, characterized in that: the shape of the heat pipe (101) and the shape of the device main body (1) are in a shape of a Chinese character 'ba'.

3. A high-performance moving-coil vehicular speaker device according to claim 1, characterized in that: driver (102) includes magnetic conduction stem (7), the left and right sides of magnetic conduction stem (7) all is provided with second magnetic conduction board (401), two the equal fixedly connected with drive magnet (5) of lower terminal surface of second magnetic conduction board (401), the lower extreme of driver (102) is provided with first magnetic conduction board (4), the up end and second magnetic conduction board (401) and drive magnet (5) fixed connection of first magnetic conduction board (4), the lower terminal surface and the inside bottom fixed connection of device main part (1) of first magnetic conduction board (4).

4. A high-performance moving-coil vehicular speaker apparatus according to claim 3, characterized in that: the upper end face of the second magnetic conduction plate (401) is fixedly connected with a basin frame (8), the sound film (3) is erected on the basin frame (8), and the outer wall of the sound film (3) is fixedly connected with the basin frame (8).

5. A high-performance moving-coil vehicular speaker apparatus according to claim 3, characterized in that: the equal fixedly connected with voice coil loudspeaker voice coil guide cylinder (6) in both sides of the up end of magnetic conduction stem (7), the outside winding of voice coil loudspeaker voice coil guide cylinder (6) has voice coil loudspeaker voice coil (601), the edge fixed connection of the upper end and arc top (301) of voice coil loudspeaker voice coil guide cylinder (6).

6. A high-performance moving-coil vehicular speaker device according to claim 1, characterized in that: the support (9) comprises a support base (901), and two ends of the support base (901) are fixedly connected with supporting plates (902).

7. The high-performance moving-coil vehicle-mounted speaker device according to claim 6, wherein: the upper end of the bracket base (901) is provided with a fixing hole (903) for fixing other components of the loudspeaker in a penetrating way.

8. A high-performance moving-coil vehicular speaker device according to claim 1, characterized in that: the sound film (3) is made of polypropylene, and the folding ring (2) is made of natural rubber.