CN211792022U - Ventilative radiating speaker - Google Patents

Ventilative radiating speaker Download PDF

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Publication number
CN211792022U
CN211792022U CN202020595666.7U CN202020595666U CN211792022U CN 211792022 U CN211792022 U CN 211792022U CN 202020595666 U CN202020595666 U CN 202020595666U CN 211792022 U CN211792022 U CN 211792022U
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China
Prior art keywords
frame
speaker
vibrating diaphragm
yoke
magnetic
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CN202020595666.7U
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Chinese (zh)
Inventor
吴振兴
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Xiamen Great Sound Technology Co ltd
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Xiamen Great Sound Technology Co ltd
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Abstract

The utility model provides a ventilating and radiating loudspeaker, which comprises a frame-shaped base frame, a vibrating diaphragm and a magnetic circuit unit, wherein the vibrating diaphragm is arranged at the top of the frame-shaped base frame, and the magnetic circuit unit is positioned in the frame-shaped base frame and below the vibrating diaphragm; the magnetic circuit unit comprises a magnet, a washer supported on the upper surface of the magnet and a magnetic yoke which is used for bearing the lower surface of the magnet, and the outer side of the magnetic yoke is bent upwards to form a magnetic gap with the outer peripheral surface of the washer. The washer is relative the vibrating diaphragm interval sets up, the yoke with there is the clearance between the vibrating diaphragm, and the ventilation hole has been seted up to the lateral wall of frame shape bed frame, the ventilation hole be linked together in the vibrating diaphragm with the clearance between the magnetic circuit unit. Adopt this speaker structure, directly offer the ventilation hole through the lateral wall at frame shape bed frame to the inside ventilation gap of intercommunication speaker, thereby can be at the speaker during operation, even the bottom is died by the mainboard certainly, also can play the effect of heat dissipation and balanced speaker inside atmospheric pressure.

Description

Ventilative radiating speaker
Technical Field
The utility model belongs to the technical field of vehicle speaker, particularly, relate to a ventilative radiating speaker.
Background
When the moving coil type loudspeaker works, the temperature of the magnetic field of the voice coil can be increased to 80-100 degrees at most, because when a product is designed, the loudspeaker needs to be provided with a ventilation channel communicated with the inside and the outside, the ventilation channel plays a role of heat dissipation, and the second balanced air pressure enables the pressure on the downward vibration to be reduced when the vibration system does piston movement. In the prior art, the vent channel is designed at the bottom of the speaker, for example, vent holes are arranged at two sides of the bottom yoke, or a vent gap is left between the periphery of the bottom yoke and the pedestal.
However, the height of the whole structure for mounting the loudspeaker is limited in some scenes, so that a mounting main board or a cavity shell of the whole structure is attached to an outer frame pedestal of the loudspeaker; therefore, the air holes or the air gaps at the bottom are in relatively sealed spaces, and the air ventilation structure cannot play a role in the actual whole machine.
SUMMERY OF THE UTILITY MODEL
The utility model provides a ventilative radiating speaker aims at solving the complete machine structure height of installation speaker and highly limited, and current speaker inner structure is difficult to ventilative heat dissipation problem.
The utility model discloses a realize like this:
a ventilating and radiating loudspeaker comprises a frame-shaped base frame, a vibrating diaphragm and a magnetic circuit unit, wherein the vibrating diaphragm is arranged at the top of the frame-shaped base frame, and the magnetic circuit unit is positioned in the frame-shaped base frame and below the vibrating diaphragm; the magnetic circuit unit comprises a magnet, a washer supported on the upper surface of the magnet, and a magnetic yoke which is used for bearing the lower surface of the magnet, and the outer side of the magnetic yoke is bent upwards to form a magnetic gap with the outer peripheral surface of the washer.
The washer is relative the vibrating diaphragm interval sets up, the yoke with there is the clearance between the vibrating diaphragm, the ventilation hole has been seted up to the lateral wall of frame shape bed frame, the ventilation hole be linked together in the vibrating diaphragm with the clearance between the magnetic circuit unit.
The utility model discloses can also further perfect through following technical measure:
as a further improvement, the magnetic diaphragm further comprises a voice coil, wherein one side of the voice coil is connected to the bottom of the diaphragm, and the other side of the voice coil is located in the magnetic gap and is respectively spaced from the washer and the magnetic yoke.
As a further improvement, the inner side wall of the frame-shaped base frame comprises a first stepped ring and a second stepped ring which are mutually stepped, and the magnet yoke is clamped and fixed on the second stepped ring; the second step ring and the vibrating diaphragm are spaced to form a ventilation space communicated with the magnetic gap, and the ventilation hole is communicated with the ventilation space.
As a further improvement, the outer side wall of the second stepped ring is provided with a plurality of inwards recessed first recessed portions, and the top of each first recessed portion is provided with a first ventilation hole communicated with the ventilation space.
As a further improvement, the first vent hole is positioned on the step surface of the second step ring and close to the first step ring.
As a further improvement, the first concave parts are positioned on two sides of the frame-shaped base frame in the length direction, and 2-4 first concave parts are arranged on each side.
As a further improvement, the table top of the second stepped ring is provided with at least one second recess which is recessed downwards, and the outer side wall of the second recess is provided with a second vent hole.
As a further improvement, the outer circumference of the magnetic yoke is provided with an unbent notch, and the unbent notch corresponds to the second concave part.
The utility model has the advantages that: the whole structure height at the installation speaker is limited, and under the limited environment in space, traditional bottom ventilation structure is because died by the mainboard top easily and the effect that can't exert the heat dissipation and ventilate, and adopts this speaker structure, directly has seted up the ventilation hole through the lateral wall at frame shape bed frame to the inside ventilation gap of intercommunication speaker, thereby can be at speaker during operation, even the bottom is died by the mainboard certainly, also can play the effect of heat dissipation and the inside atmospheric pressure of balanced speaker. And the structure has no additional parts, does not increase the cost of the loudspeaker, and can be used universally in various scenes.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is an exploded schematic view of a speaker with ventilation and heat dissipation according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a speaker with ventilation and heat dissipation according to an embodiment of the present invention;
FIG. 3 is a schematic view of the hidden frame-shaped base frame of FIG. 2;
FIG. 4 is a schematic structural view of the base frame of FIG. 2;
FIG. 5 is a cross-sectional view at the first vent of FIG. 2;
fig. 6 is a sectional view at the second vent of fig. 2.
Icon:
the loudspeaker comprises a frame-shaped base frame 1, a first step ring 11, a second step ring 12, a first concave part 13, a second concave part 14, a first vent hole 15, a second vent hole 16, a vibrating diaphragm 2, a magnet 3, a washer 4, a magnet yoke 5, an unbent notch 51, a voice coil 6 and a fixing plate 7.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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.
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 present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; 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.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1 to 6, a speaker with ventilation and heat dissipation includes a frame-shaped base frame 1, a diaphragm 2, and a magnetic circuit unit.
The vibrating diaphragm 2 is arranged at the top of the frame-shaped base frame 1, and specifically, the vibrating diaphragm 2 can be fixed on the frame-shaped base frame 1 in a welding, adhesive thermoplastic molding and other manners. In the embodiment, a mechanical fixing manner is adopted, and the fixing plate 7 is pressed on the frame-shaped base frame 1 and is connected and fixed with the frame-shaped base frame 1 through screws.
The magnetic circuit unit is positioned in the frame-shaped base frame 1 and below the vibrating diaphragm 2. The magnetic circuit unit comprises a magnet 3, a washer 4 supported on the upper surface of the magnet 3, and a yoke 5 for bearing the lower surface of the magnet 3 and bending the outer side upwards to form a magnetic gap with the outer peripheral surface of the washer 4.
The washers 4 are arranged at intervals relative to the vibrating diaphragm 2, and referring to fig. 5, the washers 4 are parallel to the vibrating diaphragm and are spaced apart in the vertical direction.
A gap exists between the yoke 5 and the diaphragm, and referring to fig. 3 or 5, an upward bending portion of the yoke 5 does not extend to the position of the diaphragm 2, and therefore is vertically spaced from the diaphragm 2.
The side wall of the frame-shaped base frame 1 is provided with a ventilation hole, and the ventilation hole is communicated with a gap between the vibrating diaphragm 2 and the magnetic circuit unit, so that a ventilation and heat dissipation channel for communicating the inside and the outside of the loudspeaker is formed.
Therefore, the whole structure height at the installation speaker is limited, and under the limited environment in space, traditional bottom ventilation structure is because died by the mainboard top easily and can't exert the effect of heat dissipation and ventilation, and adopts this speaker structure, directly has seted up the ventilation hole through the lateral wall at frame shape bed frame 1 to communicate the inside ventilation clearance of speaker, thereby can be at the speaker during operation, even the bottom is died by the mainboard certainly, also can play the effect of heat dissipation and balanced speaker inside atmospheric pressure. And the structure has no additional parts, does not increase the cost of the loudspeaker, and can be used universally in various scenes.
Referring to fig. 1 and 5, the magnetic diaphragm further includes a voice coil 6, one side of the voice coil 6 is connected to the bottom of the diaphragm 2, and the other side of the voice coil 6 is located in the magnetic gap and spaced from the washer 4 and the yoke 5, respectively. That is, both included voice coil 6 and yoke 5's bottom surface looks interval, also included the interval with the yoke bending surface that makes progress to make the inside U-shaped passageway that has the air feed circulation of speaker, this U-shaped air current passageway is linked together with the ventilation hole that the frame shape bed frame lateral wall was seted up, thereby can be very smooth with the speaker when rising the temperature with inside heat and gaseous exhaust, when the speaker cools off, absorb some external gas.
In other embodiments, the diaphragm 2 may include an annular recess portion, the annular recess portion is located in the magnetic gap between the washer 4 and the magnetic yoke 5, and the annular recess portion is also spaced apart from the washer and the magnetic yoke; the voice coil is located this annular depressed part, has both realized magnetic circuit unit and voice coil and has cooperateed equally, and the voice coil receives the vibrations of lorentz force to produce the sound when circular telegram, carries out pronunciation work, again can ventilate and dispel the heat, balanced atmospheric pressure.
Referring to fig. 4, the inner sidewall of the frame-shaped base frame 1 includes a first stepped ring 11 and a second stepped ring 12, and the magnetic yoke 5 is fixed to the second stepped ring 12 in a snap-fit manner; the second stepped ring 12 is spaced apart from the diaphragm 2 to form a ventilation space communicating with the magnetic gap, and the ventilation hole communicates with the ventilation space.
Through the setting of first cascade ring 11 and second cascade ring 12, when playing fixed vibrating diaphragm 2 and 5 effects of yoke, can also enlarge the inside air flow space of speaker to this air flow space still is connected with the ventilation hole, has made things convenient for inside and outside gaseous circulation.
Referring to fig. 2, fig. 4 and fig. 5, a plurality of first concave portions 13 are disposed on an outer side wall of the second stepped ring 12, and a first vent hole 15 communicated with the vent space is disposed at a top of the first concave portions 13. The first ventilation hole 15 is located on the step surface of the second step ring 12 and close to the first step ring 11. The ingenious design in this first ventilation hole 15 position does not influence the original function of speaker promptly, for example supports intensity, and, this first ventilation hole 15 position is hidden relatively, accords with pleasing to the eye requirement.
Referring to fig. 2 and 4, the first recessed portions 13 are located on two sides of the frame-shaped base frame 1 in the length direction, and the number of the first recessed portions is preferably 2 to 4.
Referring to fig. 4 and 6, in the present embodiment, the mesa of the second stepped ring 12 has at least one second recess 14 recessed downward, and the outer sidewall of the second recess 14 has a second vent hole 16. Referring to fig. 3, preferably, the outer circumference of the yoke 5 has an unbent notch 51, and the unbent notch 51 corresponds to the second recess 14. Thereby facilitating direct circulation of air.
In other embodiments, the vent holes may be formed directly in the first stepped ring 11. The first vent hole 15 and the second vent hole 16 of the present embodiment are only preferred options for ventilation and heat dissipation, and are not limitations on the positions of the vent holes.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A ventilating and radiating loudspeaker comprises a frame-shaped base frame, a vibrating diaphragm and a magnetic circuit unit;
the magnetic circuit unit is positioned in the frame-shaped base frame and below the vibration membrane; the magnetic circuit unit comprises a magnet, a washer supported on the upper surface of the magnet and a magnetic yoke which is used for bearing the lower surface of the magnet, and the outer side of the magnetic yoke is bent upwards to form a magnetic gap with the outer peripheral surface of the washer;
the washer is relative the vibrating diaphragm interval sets up, the yoke with there is the clearance between the vibrating diaphragm, the ventilation hole has been seted up to the lateral wall of frame shape bed frame, the ventilation hole be linked together in the vibrating diaphragm with the clearance between the magnetic circuit unit.
2. The ventilating and heat dissipating speaker of claim 1, further comprising a voice coil, wherein one side of the voice coil is connected to the bottom of the diaphragm, and the other side of the voice coil is located in the magnetic gap and is spaced apart from the washer and the magnetic yoke, respectively.
3. The speaker of claim 1, wherein the inner sidewall of the frame-shaped base frame comprises a first step ring and a second step ring which are stepped with each other, and the yoke is fixed to the second step ring in a clamping manner; the second step ring and the vibrating diaphragm are spaced to form a ventilation space communicated with the magnetic gap, and the ventilation hole is communicated with the ventilation space.
4. The speaker of claim 3, wherein the outer sidewall of the second step ring has a plurality of first concave portions, and the top of the first concave portions has a first vent hole communicating with the ventilation space.
5. The air permeable, heat dissipating speaker of claim 4, wherein the first vent hole is located on the second step ring step face adjacent to the first step ring.
6. The ventilating and heat dissipating speaker as claimed in claim 4, wherein the first recessed portions are located at two sides of the frame-shaped base frame in the length direction, and each side has 2-4 recessed portions.
7. The speaker of claim 3, wherein the second step ring has at least one second recess recessed downward on the top surface, and the second recess has a second vent hole on the outer sidewall.
8. The speaker of claim 7, wherein the outer periphery of the yoke has an unbent notch corresponding to the second recess.
CN202020595666.7U 2020-04-20 2020-04-20 Ventilative radiating speaker Active CN211792022U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020595666.7U CN211792022U (en) 2020-04-20 2020-04-20 Ventilative radiating speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020595666.7U CN211792022U (en) 2020-04-20 2020-04-20 Ventilative radiating speaker

Publications (1)

Publication Number Publication Date
CN211792022U true CN211792022U (en) 2020-10-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020595666.7U Active CN211792022U (en) 2020-04-20 2020-04-20 Ventilative radiating speaker

Country Status (1)

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CN (1) CN211792022U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112492457A (en) * 2020-12-25 2021-03-12 瑞声新能源发展(常州)有限公司科教城分公司 Loudspeaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112492457A (en) * 2020-12-25 2021-03-12 瑞声新能源发展(常州)有限公司科教城分公司 Loudspeaker

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