CN217159917U

CN217159917U - Bass horn

Info

Publication number: CN217159917U
Application number: CN202123451151.3U
Authority: CN
Inventors: 吴天云; 刘猛; 潘友芳
Original assignee: Innovative Audio International Co ltd
Current assignee: Innovative Audio International Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-09
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to the field of loudspeakers, and discloses a woofer, which comprises a basin frame, a magnetic circuit component, an elastic wave, a voice coil and a terminal board, wherein the magnetic circuit component is provided with a magnetic circuit gap, and the voice coil is arranged in the magnetic circuit gap; the voice coil loudspeaker voice coil includes skeleton, winding group and connecting wire, and the winding of winding group is on the skeleton, and the first end and the welding of winding group of connecting wire, the second end seam of connecting wire are on the outside of bullet ripples, and the third end and the terminal block welding of connecting wire, the remainder of connecting wire are unsettled in the top of bullet ripples, and the inboard of bullet ripples is connected on the skeleton, and the outside of bullet ripples is connected on the basin frame. This woofer radiating effect is good, can avoid loudspeaker to send the abnormal sound on the one hand to and the lead wire silk is wounded, the breaking problem, and on the other hand can avoid the motion center of voice coil loudspeaker voice coil and drum paper to take place the skew.

Description

Bass horn

Technical Field

The utility model relates to a loudspeaker field especially relates to a woofer.

Background

A horn is a transducer device that converts an electrical signal into an acoustic signal. In traditional loudspeaker, the one end of voice coil loudspeaker voice coil connecting wire is fixed on the terminal, and the other end of connecting wire is fixed on the voice coil loudspeaker, and one mode makes the whole floating state that are in of remaining part of connecting wire, and when loudspeaker during operation, the connecting wire can follow the voice coil loudspeaker voice coil and frequently the luffing motion, not only causes the connecting wire to touch the bullet ripples or drum paper easily and sends the abnormal sound, may cause the connecting wire to be pulled, pulled apart even. Another mode is that the remaining part of connecting wire is whole to be fixed in one side of playing the ripples, plays the ripples and generally is frivolous paper material, and one side when playing the ripples bears the weight of connecting wire most, and it is uneven to make the both sides bearing of playing the ripples, when playing the ripples and following the voice coil motion, plays the motion of ripples and can be uneven to the movement center that leads to voice coil and drum paper takes place the skew. Moreover, the traditional horn has poor heat dissipation effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing a woofer, the radiating effect is good, can avoid loudspeaker to send the abnormal sound on the one hand to and the connecting wire is pulled, the problem of breaking, and on the other hand can avoid the motion center of voice coil loudspeaker voice coil and drum paper to take place the skew.

The purpose of the utility model is realized through the following technical scheme:

a woofer comprises a basin frame, a magnetic circuit assembly, an elastic wave, a voice coil and a terminal board, wherein the magnetic circuit assembly is provided with a magnetic circuit gap, and the voice coil is arranged in the magnetic circuit gap; the voice coil comprises a framework, a winding group and a connecting wire, wherein the winding group is wound on the framework, a first end of the connecting wire is welded with the winding group, a second end of the connecting wire is sewn on the outer side of the elastic wave, a third end of the connecting wire is welded with the terminal board, the rest part of the connecting wire is suspended above the elastic wave, the inner side of the elastic wave is connected to the framework, and the outer side of the elastic wave is connected to the basin frame.

In one embodiment, the winding group is wound on the lower portion of the framework, an outgoing line of the winding group extends to the upper portion of the framework and forms a welding point, and a first end of the connecting line is welded with the welding point.

In one embodiment, the magnetic circuit assembly includes a T-iron, a magnet and a washer, the magnet and the washer are both sleeved on the T-iron, the washer is located above the magnet, and the T-iron, the magnet and the washer together enclose the magnetic circuit gap.

In one embodiment, the woofer further comprises drum paper, the inner side of the drum paper is connected to the framework, and the outer side of the drum paper is connected to the basin frame.

In one of them embodiment, the drum paper includes body, annular outstanding limit and external gasket, the annular outstanding limit extends to form the periphery of body, external gasket extends to form the periphery on annular outstanding limit, the body with the skeleton is connected, external gasket with the basin frame is connected.

In one embodiment, the sidewall of the body is provided with a plurality of convection holes spaced apart from each other.

In one embodiment, the outer edge of the external gasket is provided with an avoiding groove, the upper end wall of the basin frame is bent to form a folding groove, and the groove wall of the folding groove is provided with a mounting hole at the position of the avoiding groove.

In one embodiment, the woofer further includes a dust cap attached to an inner side of the drum paper.

In one embodiment, the side wall of the basin frame is provided with a plurality of heat dissipation holes arranged at intervals, and the side wall of the basin frame is provided with a plurality of heat dissipation holes arranged at intervals.

In one embodiment, the side wall of the basin stand is provided with a plurality of reinforcing ribs, and each reinforcing rib is arranged in the side wall between two adjacent heat dissipation ports.

Compared with the prior art, the utility model discloses at least, following advantage has:

1. the woofer is welded with the winding through the first end of the connecting wire, the second end of the connecting wire is sewn on the outer side of the elastic wave, the third end of the connecting wire is welded with the terminal board, and the rest part of the connecting wire is suspended above the elastic wave; on the other hand because the second end seam of connecting wire is on the outside of bullet ripples, the rest of connecting wire is unsettled in the top of bullet ripples, can alleviate bullet ripples one side by a wide margin and bear weight to the connecting wire for the both sides bearing of bullet ripples keeps balanced, makes bullet ripples can keep the central balance when the motion, thereby can avoid the movement center of voice coil loudspeaker voice coil and drum paper to take place the skew.

2. This woofer's basin frame's lateral wall sets up the thermovent that a plurality of looks intervals set up, and the louvre that a plurality of looks intervals set up is seted up to the lateral wall of basin frame, so, can increase woofer through thermovent and louvre and still inside and outside air current leads to, ensures that the heat that loudspeaker produced in time dredges, discharges, avoids causing loudspeaker unusual because of the high temperature.

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 a combination view of a woofer according to an embodiment of the present invention.

Fig. 2 is an exploded view of a woofer according to an embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In one embodiment, referring to fig. 1 and 2, a woofer 10 includes a frame 110, a magnetic circuit assembly 120, a damper 130, a voice coil 140, and a terminal plate 170, wherein the magnetic circuit assembly 120 is provided with a magnetic circuit gap, and the voice coil 140 is disposed in the magnetic circuit gap; the voice coil 140 includes a bobbin 141, a winding set 142 and a connection wire 143, the winding set 142 is wound on the bobbin 141, a first end 1431 of the connection wire 143 is welded to the winding set 142, a second end 1432 of the connection wire 143 is sewn to the outer side of the damper 130, a third end 1433 of the connection wire 143 is welded to the terminal plate 170, the remaining portion of the connection wire 143 is suspended above the damper 130, the inner side of the damper 130 is connected to the bobbin 141, and the outer side of the damper 130 is connected to the basin frame 110. The woofer 10 is welded with the winding 142 through a first end of a connecting wire 143, a second end of the connecting wire 143 is sewn on the outer side of the damper 130, a third end of the connecting wire 143 is welded with the terminal plate 170, and the rest of the connecting wire 143 is suspended above the damper 130, so that on one hand, the connecting wire 143 can be uniformly fixed through a three-end fixing mode, the connecting wire 143 can be prevented from touching the damper 130 or bulging paper to generate abnormal sound when a voice coil moves, and the connecting wire 143 can be prevented from being damaged and broken; on the other hand, the second end of the connecting line 143 is sewn on the outer side of the damper 130, and the rest of the connecting line 143 is suspended above the damper 130, so that the weight of one side of the damper 130 on the connecting line 143 can be greatly reduced, the two sides of the damper 130 are balanced in bearing, the damper 130 can be balanced in center when moving, and the moving center of the voice coil and the drum paper can be prevented from being deviated.

Further, the winding group 142 is wound on the lower portion of the bobbin 141, the lead-out wire of the winding group 142 (i.e., one end of the wire of the winding group 142) extends to the upper portion of the bobbin 141 and forms a solder 1421, and the first end 1431 of the connection wire 143 is soldered 1421 to the solder. In order to protect the lead wires, the lead wires are buried in the frame 141, so that the lead wires can be prevented from being damaged or broken by pulling.

Furthermore, the framework 141 is preferably a glass fiber inner framework 141, and a high-temperature-resistant SV glue layer is coated on the outer surface of the inner framework 141, so that the composite material has the advantages of high rigidity, good heat resistance and the like.

Further, the magnetic circuit assembly 120 includes a T-shaped iron 121, a magnet 122, and a washer 123, the magnet 122 and the washer 123 are both sleeved on the T-shaped iron 121, the washer 123 is located above the magnet 122, and the T-shaped iron 121, the magnet 122, and the washer 123 together enclose the magnetic circuit gap. Further, the woofer 10 further includes a drum paper terminal board 170, an inner side of the drum paper terminal board 170 is connected to the frame 141, and an outer side of the drum paper terminal board 170 is connected to the frame 110. Thus, an interaction magnetic field is formed by the T-shaped iron 121, the magnet 122, the washer 123 and the voice coil, and the drum paper terminal board 170 is driven to vibrate to make a sound.

Further, the drum paper 150 includes a body 151, an annular hanging edge 152 and an external gasket 153, the annular hanging edge 152 extends to form the periphery of the body 151, the external gasket 153 extends to form the periphery of the annular hanging edge 152, the body 151 is connected with the frame 141, and the external gasket 153 is connected with the basin frame 110. So, be connected with skeleton 141 through carcass 151, through external gasket 153 with be connected, play the design effect, and annular hanging edge 152 is favorable to the vibration of drum paper 150, and the three combines, does not take place to warp when being favorable to the vibration of drum paper 150.

Furthermore, a plurality of convection holes 1511 arranged at intervals are formed in the side wall of the body 151, so that air flow between the drum paper 150 is increased, air vibration and heat dissipation are facilitated, the drum paper 150 material can be saved, and the cost is reduced.

Furthermore, an avoiding groove 1531 is formed at the outer edge of the external gasket 153, the upper end wall of the basin stand 110 is bent to form a folding groove 111, and a mounting hole 112 is formed at the position of the avoiding groove 1531 on the wall of the folding groove 111. Thus, the folding groove 111 is used for accommodating and fixing the external connection pad 153, the avoiding groove 1531 is used for exposing the mounting hole 112, and the woofer 10 can be mounted on an external object through the mounting hole 112.

Further, the woofer 10 further includes a dust cap 160, and the dust cap 160 is attached to an inner side of the drum paper 150 for preventing dust from entering into the magnetic path gap to cause an abnormal operation of the woofer 10.

Further, the side wall of the basin stand 110 is provided with a plurality of heat dissipation holes 113 arranged at intervals, and the side wall of the basin stand 110 is provided with a plurality of heat dissipation holes 114 arranged at intervals. Therefore, the inside and outside air circulation of the woofer 10 can be increased through the heat radiating holes 113 and the heat radiating holes 114, so that the heat generated by the woofer is ensured to be dredged and discharged in time, and the abnormal condition of the woofer caused by overhigh temperature is avoided. Further, the bottom wall of the frame 110 is provided with a plurality of connecting holes arranged at intervals for connecting with the washer 123.

Further, the side wall of the frame 110 is provided with a plurality of reinforcing ribs 115, and each reinforcing rib 115 is respectively arranged in the side wall between two adjacent heat dissipation ports 113, so as to increase the strength of the frame 110 and avoid the deformation of the frame 110.

Further, the voice coil 140 further includes a first protective adhesive layer and a second protective adhesive layer, and the first protective adhesive layer is coated at the welding position of the connecting line 143 and the winding set 142, so as to improve the welding tightness of the connecting line 143 and the winding set 142; the second protective glue layer covers the welding position of the connecting line 143 and the terminal plate 170, and is used for improving the welding tightness of the connecting line 143 and the terminal plate 170. The number of the connecting wires 143 is at least 2, and the connecting wires 143 are preferably cotton threads, which are twisted or woven from a plurality of strands of conductors such as pure copper, copper alloy, tin-plated copper, silver-plated copper, and the like, and fibers such as cotton, plastic, and the like, and may be treated with wax, water, static electricity, and the like as necessary. The terminal plate 170 is provided with a positive terminal and a negative terminal.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A woofer is characterized by comprising a basin frame, a magnetic circuit assembly, an elastic wave, a voice coil and a terminal board, wherein the magnetic circuit assembly is provided with a magnetic circuit gap, and the voice coil is arranged in the magnetic circuit gap; the voice coil loudspeaker voice coil includes skeleton, winding group and connecting wire, the winding group coiling is in on the skeleton, the first end of connecting wire with the welding of winding group, the second end seam of connecting wire is in on the outside of bullet ripples, the third end of connecting wire with the terminal block welding, the remainder of connecting wire is unsettled in the top of bullet ripples, the inboard of bullet ripples is connected on the skeleton, the outside of bullet ripples is connected on the basin frame.

2. The woofer of claim 1, wherein the winding is wound around a lower portion of the frame, an outgoing line of the winding extends to an upper portion of the frame and forms a solder joint, and a first end of the connecting line is soldered to the solder joint.

3. The woofer of claim 1 wherein the magnetic circuit assembly includes a T-iron, a magnet and a washer, the magnet and washer both fit over the T-iron, the washer is located above the magnet, and the T-iron, the magnet and washer together enclose the magnetic circuit gap.

4. The woofer of claim 1 further comprising a drum paper, an inner side of the drum paper being connected to the frame, an outer side of the drum paper being connected to the frame.

5. The woofer of claim 4, wherein the drum paper includes a body, an annular hanging edge, and an external gasket, the annular hanging edge extending to form at a periphery of the body, the external gasket extending to form at a periphery of the annular hanging edge, the body being connected with the frame, the external gasket being connected with the basin frame.

6. The woofer of claim 5 wherein the body has a sidewall defining a plurality of spaced apart convection holes.

7. The woofer of claim 5, wherein the outer edge of the external gasket is provided with a spacing groove, the upper end wall of the basin frame is bent to form a folding groove, and the groove wall of the folding groove is provided with a mounting hole at the position of the spacing groove.

8. The woofer of claim 4 further comprising a dust cap attached to an inside of the drum paper.

9. The woofer of claim 1, wherein the side wall of the frame is provided with a plurality of heat dissipating holes arranged at intervals, and the side wall of the frame is provided with a plurality of heat dissipating holes arranged at intervals.

10. The woofer of claim 9, wherein the side wall of the frame is provided with a plurality of ribs, and each rib is respectively arranged in the side wall between two adjacent heat dissipating ports.