CN208609181U - A kind of cooling fin for woofer - Google Patents

Abstract

The utility model relates to stereo set technical fields, in particular a kind of cooling fin for woofer, including head unit and it is mounted on the sound basin of head unit one end, several cooling fins are provided on the outside of coil, cooling fin annular array is in coil surrounding, regulating device includes swivel becket and fixed ring, the surface of swivel becket is provided with several regulating tanks, the surface of fixed ring is provided with several radiating grooves, one end of hinge is provided with limit plate, this is used for the cooling fin of woofer, using cooling fin by the heat derives around coil, avoid heat build-up, the problem of leading to wire-loop lesion generation, utilize the efficiency for the adjustable heat dissipation of degree that regulating tank and radiating groove are overlapped, limit plate is snapped onto simultaneously, conveniently swivel becket is limited in fixed ring, avoid the relative movement of swivel becket and fixed ring.

Description

A kind of cooling fin for woofer

Technical field

The utility model relates to stereo set technical field, specially a kind of cooling fin for woofer.

Background technique

Woofer is the woofer unit in vehicle-mounted loudspeaker, in general, bore, the magnet of woofer Bigger with voice coil diameter, low frequency reproduction performance, transient response are better, and sensitivity is also higher.The structure shape of woofer Formula is mostly cone basin formula, and it is flat for also having a small amount of.The vibrating diaphragm of woofer is many kinds of, has aluminium alloy vibrating diaphragm, magnalium to close Golden vibrating diaphragm, ceramic vibrating diaphragm, carbon fiber vibrating diaphragm, bulletproof cloth vibrating diaphragm, glass fibre vibrating diaphragm, propylene vibrating diaphragm, paper vibrating diaphragm etc..

When woofer works, coil generates a large amount of thermal energy, be for coil it is unfavorable, if heat cannot be timely Evacuation is gone out, and can burn coil, while heat dissipation effect can not be adjusted, and influences the overall performance that radiates.In consideration of it, we mention A kind of cooling fin for woofer out.

Utility model content

The purpose of this utility model is to provide a kind of cooling fins for woofer, to solve above-mentioned background technique The problem of heat of middle proposition cannot be evacuated away in time, can burn coil and heat dissipation effect can not be adjusted.

To achieve the above object, the utility model provides the following technical solutions:

A kind of cooling fin for woofer including head unit and is mounted on the sound of described head unit one end Basin, the head unit are internally provided with coil, and the bottom of the coil is equipped with permanent magnet, and the outer wall of the permanent magnet is set It is equipped with iron core, one end of the iron core is provided with magnetic conductive board, several cooling fins, the sound equipment are provided on the outside of the coil Ontology is equipped with locating support close to sound basin side, and the sound basin is internally provided with vibrating membrane, the bottom end of the sound basin Regulating device is installed, the head unit lower part is provided with fixing seat, passes through screw thread between the fixing seat and head unit Be screwed on, the fixing seat side wall offer several for heat dissipation through-hole.

Preferably, the regulating device and the cooling fin are located on same level straight line.

Preferably, the cooling fin annular array is in the coil surrounding.

Preferably, the regulating device includes swivel becket and fixed ring, and the swivel becket is internally provided with card slot, institute The upper and lower ends for stating card slot are provided with snap-gauge, and the surface of the swivel becket is provided with several regulating tanks, the fixed ring Surface is provided with several radiating grooves, and top plate is provided at the top of the fixed ring, and the bottom of the top plate is provided with several Installation foot, the surface of the top plate are provided with several fixture blocks.

Preferably, the size of the regulating tank and the radiating groove is equal sized.

Preferably, the inner wall of the fixed ring and the cooling fin are welded and fixed.

Preferably, one end of the fixture block is provided with hinge, and one end of the hinge is provided with limit plate.

Preferably, the section of the limit plate is trapezoidal.

Compared with prior art, the utility model has the beneficial effects that

1, the cooling fin for being used for woofer avoids heat heap using cooling fin by the heat derives around coil The problem of accumulating, leading to wire-loop lesion generation.

2, the cooling fin for being used for woofer utilizes the adjustable heat dissipation of degree of regulating tank and radiating groove coincidence Efficiency, at the same by limit plate snap onto fixed ring it is convenient swivel becket is limited, avoid the opposite of swivel becket and fixed ring It is mobile.

Detailed description of the invention

Fig. 1 is the whole interior structural schematic diagram of the utility model；

Fig. 2 is the sound basin structural schematic diagram of the utility model；

Fig. 3 is the regulating device Structure explosion diagram of the utility model；

Fig. 4 is the fixed ring Structure explosion diagram of the utility model；

Fig. 5 is structural schematic diagram at A in Fig. 4 of the utility model.

In figure: 1, head unit；11, coil；12, permanent magnet；13, iron core；14, magnetic conductive board；15, cooling fin；16, it positions Bracket；2, sound basin；21, vibrating membrane；22, regulating device；221, swivel becket；222, fixed ring；223, card slot；224, snap-gauge； 225, regulating tank；226, radiating groove；227, top plate；228, installation foot；229, fixture block；2210, hinge；2211, limit plate；3, solid Reservation；4, through-hole.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Fig. 1-5 is please referred to, the utility model provides a kind of technical solution:

A kind of cooling fin for woofer as depicted in figs. 1 and 2, including head unit 1 and is mounted on sound equipment The sound basin 2 of 1 one end of ontology, head unit 1 are internally provided with coil 11, and the bottom of coil 11 is equipped with permanent magnet 12, permanent magnetism The outer wall setting cored 13 of body 12, one end of iron core 13 are provided with magnetic conductive board 14, and the outside of coil 11 is provided with several and dissipates Backing 15, head unit 1 are equipped with locating support 16 close to 2 side of sound basin, and sound basin 2 is internally provided with vibrating membrane 21, sound basin 2 Bottom end regulating device 22 is installed, regulating device 22 and cooling fin 15 are located on same level straight line, 15 circular array of cooling fin It is listed in 11 surrounding of coil.

In the present embodiment, permanent magnet 12 is ferrite lattice, and permanent magnet 12 is allowed permanently to keep magnetic.

Specifically, magnetic conductive board 14 is the model F889 high performance magnetic laminate that Beijing Fu Run reaches group's exploitation, so that 14 magnetic conduction effect of magnetic conductive board is good.

Further, vibrating membrane 21 is made of PP material, material good forming effect, and has good elasticity, convenient Improve whole acoustical quality.

In addition, cooling fin 15 is made of aluminium material, 15 shape Wie annular sheet material of cooling fin is conducive to cooling fin 15 and leads Thermal effect is good, and good heat dissipation effect.

In the specific implementation process, in order to which the heat dissipation to coil is adjusted, the present invention staff is provided with regulating device 22, As a kind of preferred embodiment, as shown in Figure 3 and Figure 4, regulating device 22 includes swivel becket 221 and fixed ring 222, swivel becket 221 are internally provided with card slot 223, and the upper and lower ends of card slot 223 are provided with snap-gauge 224, the surface of swivel becket 221 is provided with Several regulating tanks 225, the surface of fixed ring 222 are provided with several radiating grooves 226, and the top of fixed ring 222 is provided with top Plate 227, the bottom of top plate 227 are provided with several installation feet 228, and the surface of top plate 227 is provided with several fixture blocks 229, adjust Save slot 225 size and radiating groove 226 it is equal sized, the inner wall and cooling fin 15 of fixed ring 222 are welded and fixed.

In the present embodiment, fixed ring 222 and card slot 223 are engaged by clamping, and facilitate and fixed ring 222 is fixed in card slot 223 Portion.

Further, installation foot 228 and 222 inner wall of fixed ring are welded and fixed, and facilitate top plate 227 using installation foot 228 It is mounted on fixed ring 222.

Specifically, fixture block 229 and snap-gauge 224 are slidably connected, facilitate swivel becket 221 in 222 surface pivots of fixed ring.

In the specific implementation process, swivel becket 221 is limited for convenience, knot of the present invention staff to top plate 227 Structure makes improvements, as a kind of preferred embodiment, as shown in figure 5, one end of fixture block 229 is provided with hinge 2210, hinge 2210 One end be provided with limit plate 2211, the section of limit plate 2211 is trapezoidal.

In the present embodiment, limit plate 2211 is made of vulcanie material, so that limit plate 2211 has certain knot Structure elasticity, is facilitated and is stuck on swivel becket 221 using limit plate 2221, and the friction between swivel becket 221 and fixed ring 222 is increased Power.

Further, limit plate 2221 and 2210 adhesion of hinge are fixed, convenient that limit plate 2221 is fixed.

In above embodiments, when AC audio electric current passes through the coil 11 of head unit 1, phase is just produced in coil 11 The magnetic field that the permanent magnet 12 carried on the magnetic field answered, this magnetic field and head unit 1 generates generates interaction force.Then, this A power just makes coil 11 in the magnetic field of the included permanent magnet 12 of loudspeaker sound ontology 1 as tone currents vibrates, from And sound identical with former audio signal waveform is produced, when sound quality is bass, the vibration frequency of coil 12 is low, can be in coil A large amount of heat is accumulated on 11, using cooling fin 15 by the heat derives around coil 11, avoids heat build-up, leads to coil 11 The problem of damage, generates；

By rotary motion ring 221, rotated on snap-gauge 224 using fixture block 229, so that swivel becket 221 changes position, when When regulating tank 225 and co-located radiating groove 226, the heat of 15 surface of cooling fin accumulation sheds out of radiating groove 226, and It is emptied by regulating tank 225, using the efficiency for the adjustable heat dissipation of degree that regulating tank 225 and radiating groove 226 are overlapped, simultaneously will Limit plate 2211 snap onto fixed ring 222 it is convenient swivel becket 221 is limited, avoid swivel becket 221 and fixed ring 222 Relative movement.

In above embodiments, using cooling fin 15 by the heat derives around coil 11, heat build-up is avoided, leads to coil The problem of 11 damage, generates；Using the efficiency for the adjustable heat dissipation of degree that regulating tank 225 and radiating groove 226 are overlapped, simultaneously will Limit plate 2211 snap onto fixed ring 222 it is convenient swivel becket 221 is limited, avoid swivel becket 221 and fixed ring 222 Relative movement.

Basic principles, main features, and advantages of the present invention has been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Be only the utility model preference, be not intended to limit the utility model, do not departing from the spirit and scope of the utility model Under the premise of, the utility model also has various changes and improvements, these changes and improvements both fall within claimed it is practical In novel range.The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. a kind of cooling fin for woofer, including head unit (1) and it is mounted on the head unit (1) one end Sound basin (2), it is characterised in that: the head unit (1) is internally provided with coil (11), the bottom of the coil (11) peace Equipped with permanent magnet (12), cored (13) are arranged in the outer wall of the permanent magnet (12), and one end of the iron core (13), which is provided with, leads Magnetic sheet (14) is provided with several cooling fins (15) on the outside of the coil (11), and the head unit (1) is close to the sound basin (2) side is equipped with locating support (16), and the sound basin (2) is internally provided with vibrating membrane (21), the bottom end of the sound basin (2) It is equipped with regulating device (22), head unit (1) lower part is provided with fixing seat (3), the fixing seat (3) and head unit (1) be screwed between by screw thread, the fixing seat side wall offer several for heat dissipation through-hole (4)；

The regulating device (22) and the cooling fin (15) are located on same level straight line；

Cooling fin (15) annular array is in the coil (11) surrounding；

The regulating device (22) includes swivel becket (221) and fixed ring (222), the inside setting of the swivel becket (221) Have card slot (223), the upper and lower ends of the card slot (223) are provided with snap-gauge (224), and the surface of the swivel becket (221) is set Several regulating tanks (225) are equipped with, the surface of the fixed ring (222) is provided with several radiating grooves (226), the fixed ring (222) it is provided at the top of top plate (227), the bottom of the top plate (227) is provided with several installation feet (228), the top The surface of plate (227) is provided with several fixture blocks (229).

2. the cooling fin according to claim 1 for woofer, it is characterised in that: the regulating tank (225) Size and the radiating groove (226) it is equal sized.

3. the cooling fin according to claim 1 for woofer, it is characterised in that: the fixed ring (222) Inner wall and the cooling fin (15) are welded and fixed.

4. the cooling fin according to claim 1 for woofer, it is characterised in that: the one of the fixture block (229) End is provided with hinge (2210), and one end of the hinge (2210) is provided with limit plate (2211).

5. the cooling fin according to claim 4 for woofer, it is characterised in that: the limit plate (2211) Section is trapezoidal.