CN213818167U - Voice coil loudspeaker voice coil wiring structure and receiver - Google Patents

Abstract

A voice coil wiring structure and a telephone receiver comprise a square voice coil, a base frame, an input line and an output line, wherein the square voice coil is positioned in the base frame and comprises two long sides and two short sides, and the two short sides are positioned between the two long sides; the input line and the output line are respectively and electrically connected with the two short sides, and the input line and the output line also comprise a first welding wire, a second welding wire, a first bonding pad and a second bonding pad; the first welding lead and the second welding lead are positioned outside one short side of the square voice coil; one end of the first bonding pad is welded with the first welding lead, and the other end of the first bonding pad is welded with the input wire by bypassing the long edge of the square voice coil; the second bonding pad bonds a second bonding wire and the output line. The utility model discloses can realize drawing forth welding wire from the minor face of voice coil loudspeaker voice coil, satisfy the wiring demand of product.

Description

Voice coil loudspeaker voice coil wiring structure and receiver

Technical Field

The utility model relates to a voice coil loudspeaker voice coil field, especially a voice coil loudspeaker voice coil wiring structure and receiver.

Background

The telephone receiver is used as a sound production device for electronic products such as mobile phones, televisions, computers and the like, and is widely applied to daily production and life of people. The conventional telephone receivers mainly include a moving coil telephone receiver, an electromagnetic telephone receiver, a capacitive telephone receiver, a piezoelectric telephone receiver, etc., wherein the moving coil telephone receiver has the characteristics of relatively simple manufacture, low cost, better low-frequency sounding advantage, etc., and thus can be widely applied.

An existing moving-coil telephone receiver generally comprises a telephone receiver module shell and a telephone receiver monomer, wherein a typical structure of the telephone receiver monomer comprises a vibration system, a magnetic circuit system and an auxiliary system, the auxiliary system comprises a base capable of accommodating the vibration system and the magnetic circuit system, the vibration system comprises a vibrating diaphragm, a vibrating voice coil fixed on one side of the vibrating diaphragm and DOME fixed at the central position of the vibrating diaphragm, and specifically, the vibrating diaphragm comprises a fixed part fixed with a shell, a folded ring part of a concave or convex structure integrally arranged with the fixed part and a plane part positioned in the folded ring part; the magnetic circuit system comprises a basin frame, a magnet and a washer, wherein the magnet and the washer are fixed on the basin frame.

The input line and the output line of a common square voice coil are generally led out from the long edge of the square voice coil to a bonding pad of a flexible printed circuit board, and the lead welding mode is single, see fig. 8. For ultrathin small-size electric appliances such as mobile phones and notebook computers, due to the layout requirement of internal electronic products, wires need to be welded from one side of the short edge of the square voice coil, and the existing square voice coil cannot meet the requirement.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at overcomes the voice coil wire of the square voice coil loudspeaker voice coil of prior art draws forth from long limit, can't satisfy some electronic product's requirement, provides a voice coil loudspeaker voice coil wiring structure, draws forth the welding wire from the minor face of voice coil loudspeaker voice coil, satisfies different wiring demands.

The utility model adopts the following technical scheme:

a voice coil wiring structure comprises a square voice coil, a base frame, an input line and an output line, wherein the square voice coil is positioned in the base frame and comprises two long sides and two short sides, and the two short sides are positioned between the two long sides; this input line and output line link to each other with two minor face electric connection respectively, its characterized in that: the circuit also comprises a first welding lead, a second welding lead, a first bonding pad and a second bonding pad; the first welding lead and the second welding lead are positioned outside one short side of the square voice coil; one end of the first bonding pad is welded with the first welding lead, and the other end of the first bonding pad is welded with the input wire by bypassing the long edge of the square voice coil; the second bonding pad bonds a second bonding wire and the output line.

Preferably, the base frame comprises a main body and a bottom cover, a hollow groove is formed in the middle of the main body, the square voice coil is located at the hollow groove, and the bottom cover is fixed to the bottom of the main body.

Preferably, the empty groove is provided with a plurality of protrusions, and the protrusions abut against the periphery of the square voice coil.

Preferably, the pedestal is provided with a first lead-out groove and a second lead-out groove on one side of the long side close to the square voice coil, and the input line and the output line pass through the first lead-out groove and the second lead-out groove respectively after bypassing the short side of the corresponding square voice coil.

Preferably, the welding position of the first bonding pad and the input line is close to the first lead-out groove, and the second bonding pad is close to the second lead-out groove.

Preferably, a first channel and a second channel are arranged in the base frame, and the first pad and the second pad are respectively injected into the first channel and the second channel.

Preferably, the base frame is provided with a first groove and a second groove respectively at two short sides of the square voice coil, the input line is located in the first groove, and the output line is located in the second groove.

A receiver comprises a vibration component and a magnetic circuit component, and is characterized in that: still include foretell voice coil loudspeaker voice coil wiring structure.

From the above description of the present invention, compared with the prior art, the present invention has the following advantages:

1. the utility model discloses a structure sets up first welding wire and second welding wire outside one of them minor face of square voice coil loudspeaker voice coil to make first pad one end and first welding wire welding, the other end is walked around the long limit of square voice coil loudspeaker voice coil and is welded with the input line, and second pad welding second welding wire and output line, thereby satisfy the demand of following the wiring of square voice coil loudspeaker voice coil minor face.

2. The utility model discloses a structure, bed frame are equipped with main part and bottom, and the main part middle part is equipped with the dead slot, and the dead slot is equipped with a plurality of archs, and this arch is supported and is leaned on the square voice coil loudspeaker voice coil of card strip location in square voice coil loudspeaker voice coil periphery and cooperation bottom, avoids its aversion.

3. The utility model discloses a structure, bed frame are equipped with first groove and second groove respectively at two minor faces of square voice coil loudspeaker voice coil, are used for holding input line and output line respectively, avoid taking place to interfere with peripheral part.

4. The utility model discloses a structure, the long limit one side that the bed frame is close to square voice coil loudspeaker voice coil is equipped with first drawing groove and second and draws forth the groove, is convenient for realize spot welding, then draws forth first drawing groove and second and draws forth the outer unnecessary line of groove and remove again.

5. The utility model discloses a structure, injection moulding in its first pad and second pad adoption is in the bed frame, simple process, with low costs.

Drawings

FIG. 1 is a diagram of a square voice coil wiring;

FIG. 2 is a view of the structure of the present invention;

FIG. 3 is a front view of the base frame;

FIG. 4 is a partial cross-sectional view of the base frame;

FIG. 5 is a partial cross-sectional view of the base frame;

fig. 6 shows a structure diagram of a receiver of the present invention;

FIG. 7 is an exploded view of FIG. 6;

fig. 8 shows a conventional square voice coil.

Wherein: 10. the voice coil loudspeaker comprises a square voice coil, 11, a long side, 12, a short side, 20, a base frame, 21, an empty groove, 22, a protrusion, 23, a bottom cover, 24, a first lead-out groove, 25, a second lead-out groove, 26, a first groove, 27, a second groove, 28, a clamping strip, 30, an input line, 40, an output line, 50, a first welding lead, 60, a second welding lead, 70, a first bonding pad, 71, a first channel, 72, a first welding hole, 80, a second bonding pad, 81, a second channel, 82, a second welding hole, 90, a vibrating component, 91, a magnet, 92 and a washer.

Detailed Description

The present invention will be further described with reference to the following detailed description.

The terms "first", "second", and the like in the present invention are used for convenience of description only to distinguish different constituent elements having the same name, and do not indicate a sequential or primary-secondary relationship.

In the description of the present invention, the directions or positional relationships indicated by "up", "down", "left", "right", "front", and "rear" are used as the directions or positional relationships indicated by the drawings, and are only for convenience of description of the present invention, and it is not intended to indicate or imply that the device indicated must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the scope of the present invention.

Referring to fig. 1 to 5, a voice coil wiring structure includes a square voice coil 10, a base frame 20, an input line 30 and an output line 40, where the square voice coil 10 is located in the base frame 20 and includes two long sides 11 and two short sides 12, and the two short sides 12 are located between the two long sides 11; the input line 30 and the output line 40 are electrically connected to the two short sides 12, respectively. Further comprising a first bonding wire 50, a second bonding wire 60, a first bonding pad 70 and a second bonding pad 80; the first bonding wire 50 and the second bonding wire 60 are located outside one of the short sides 12 of the square voice coil 10; the first bonding pad 70 has one end welded to the first bonding wire 50 and the other end welded to the input line 30 while bypassing the long side 11 of the square voice coil 10; the second bonding pad 80 bonds the second bonding wire 60 and the output line 40.

The square voice coil 10 is formed by stacking wires, is substantially rectangular, and has four corners arranged in an arc shape. The base frame 20 includes a body having a hollow 21 at a central portion thereof, and a bottom cover 23, and the square voice coil 10 is located at the hollow 21. The bottom cover 23 is fixed to the bottom of the main body, and the bottom cover and the main body can be fixed by a snap. The shape of the empty groove 21 matches the shape of the square voice coil 10, and the length and width of the empty groove 21 are slightly larger than those of the square voice coil 10.

Further, the inner wall of the empty slot 21 is provided with a plurality of protrusions 22, the protrusions 22 abut against the periphery of the square voice coil 10 and are used for positioning the square voice coil 10, a gap is formed between the periphery of the square voice coil 10 and the inner wall of the empty slot 21, the bottom cover 23 is provided with a clamping strip 28, and the clamping strip 28 can be embedded into the gap to realize further fixation.

In the present invention, the base frame 20 is provided with a first groove 26 and a second groove 27 respectively at the two short sides 12 of the square voice coil 10, the input line 30 is located in the first groove 26, and the output line 40 is located in the second groove 27. The first groove 26 and the second groove 27 are used for accommodating the input line 30 and the output line 40, and are not easy to interfere with peripheral components.

Furthermore, the base frame 20 is provided with a first lead-out groove 24 and a second lead-out groove 25 on the side close to the long side 11 of the square voice coil 10, and the input line 30 and the output line 40 are respectively drawn out from the first lead-out groove 24 and the second lead-out groove 25 after bypassing the corresponding short side 12 of the square voice coil 10. The first lead-out groove 24 and the second lead-out groove 25 are respectively located at positions on both sides of the long side 11.

Further, the first pad 70 is bonded to the input line 30 adjacent the first exit slot 24, the second pad 80 is adjacent the second exit slot 25, and other portions of the first pad 70 are not in conductive contact with the input line. That is, the first land 70 has a long shape, which is wound around the long side 11 from the short side 12 on one side of the square voice coil 10 to the short side 12 on the other side, like an L-shape. The first lead-out groove 24 and the second lead-out groove 25 are arranged to facilitate spot welding at a welding position, and then redundant wires outside the first lead-out groove 24 and the second lead-out groove 25 are removed.

The utility model discloses, see fig. 4, fig. 5, be equipped with first passageway 71 and second passageway 81 in bed frame 20, first pad 70 and second pad 80 are for adopting interior injection moulding in this first passageway 71 and second passageway 81 respectively. First channel 71 is also provided with a first weld hole 72 for welding corresponding first weld wire 50 and input wire 30, and second channel 81 is provided with a second weld hole 82 for welding second weld wire 60 and output wire 40.

Referring to fig. 6 and 7, the present invention further provides a receiver, which includes a vibration component 90, a magnetic circuit component and the above-mentioned voice coil connection structure, wherein the vibration component 90 may include a vibrating diaphragm and a fixing plate, the magnetic circuit component may include a magnet 91, a washer 92, etc., and the magnetic circuit component is located in the square voice coil 10. The vibration assembly 90 is installed above the square voice coil 10, and the fixing plate is fixed to the base frame 20.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims (8)

1. A voice coil wiring structure comprises a square voice coil, a base frame, an input line and an output line, wherein the square voice coil is positioned in the base frame and comprises two long sides and two short sides, and the two short sides are positioned between the two long sides; this input line and output line link to each other with two minor face electric connection respectively, its characterized in that: the circuit also comprises a first welding lead, a second welding lead, a first bonding pad and a second bonding pad; the first welding lead and the second welding lead are positioned outside one short side of the square voice coil; one end of the first bonding pad is welded with the first welding lead, and the other end of the first bonding pad is welded with the input wire by bypassing the long edge of the square voice coil; the second bonding pad bonds a second bonding wire and the output line.

2. A voice coil wiring structure as claimed in claim 1, wherein: the bed frame includes main part and bottom, and this main part middle part is equipped with the dead slot, square voice coil loudspeaker voice coil is located dead slot department, and this bottom is fixed in the main part bottom.

3. A voice coil wiring structure as claimed in claim 2, wherein: the dead slot is equipped with a plurality of archs, this arch support lean on in square voice coil loudspeaker voice coil periphery.

4. A voice coil wiring structure as claimed in claim 1, wherein: the base frame is close to the first groove and the second groove of drawing forth of being equipped with on the long limit one side of square voice coil loudspeaker voice coil, the groove is drawn forth from first and the second is drawn forth respectively and is worn out after the square voice coil loudspeaker voice coil minor face that corresponds is walked around to input line and output line.

5. A voice coil wiring structure as claimed in claim 4, wherein: the first pad is adjacent to the first lead-out groove at a weld with the input line, and the second pad is adjacent to the second lead-out groove.

6. A voice coil wiring structure as claimed in claim 1, wherein: the base frame is internally provided with a first channel and a second channel, and the first pad and the second pad are respectively injected into the first channel and the second channel.

7. A voice coil wiring structure as claimed in claim 1, wherein: the base frame is respectively provided with a first groove and a second groove on two short sides of the square voice coil, the input line is located in the first groove, and the output line is located in the second groove.

8. A receiver comprises a vibration component and a magnetic circuit component, and is characterized in that: further comprising a voice coil wiring structure as claimed in any one of claims 1 to 7.

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