CN219697879U - Moving coil loudspeaker and intelligent watch - Google Patents

Abstract

The utility model discloses a moving coil loudspeaker and an intelligent watch, wherein the moving coil loudspeaker comprises a vibrating diaphragm, a shell, at least one thimble, a first vibrating piece, an inner magnet, a voice coil, an outer magnet, a second vibrating piece and a lower gasket, wherein the vibrating diaphragm is fixed above the shell, the thimble is fixed at the center position between the vibrating diaphragm and the first vibrating piece, the first vibrating piece and the second vibrating piece are respectively fixed at the upper side and the lower side of the outer magnet, the outer magnet is of a hollow structure, the inner magnet is positioned inside the outer magnet, the voice coil is arranged between the inner magnet and the outer magnet, the lower gasket is arranged between the second vibrating piece and the bottom of the shell, and after the voice coil is electrified, a magnetic field is generated to drive the first vibrating piece and the second vibrating piece to vibrate so as to push the thimble and drive the vibrating diaphragm to sound. Through the common vibration of upper and lower two trembler, effort and reaction force about can producing to improve vibration efficiency, reduce the consumption, improve sensitivity.

Description

Moving coil loudspeaker and intelligent watch

Technical Field

The embodiment of the utility model relates to the technical field of intelligent equipment, in particular to a moving coil loudspeaker and an intelligent watch.

Background

The loudspeaker is a necessary structure on various intelligent devices, most of the current small-sized loudspeakers are realized by using a single vibrating piece or a vibrating piece-free mode, and the loudspeaker with the structure is generally not high in sensitivity because the voice coil is directly connected with the vibrating piece. Therefore, a new speaker is needed to adapt to the current smart device and improve the sensitivity.

Disclosure of Invention

The embodiment of the utility model provides a moving coil loudspeaker and an intelligent watch, which can improve vibration efficiency and reduce power consumption.

In a first aspect, the present utility model provides a moving coil loudspeaker, the antenna structure comprising: the device comprises a vibrating diaphragm, a shell, at least one thimble, a first vibrating piece, an inner magnet, a voice coil, an outer magnet, a second vibrating piece and a lower gasket;

the vibrating diaphragm is fixed above the shell;

the at least one thimble is fixed between the vibrating diaphragm and the first vibrating piece;

the first vibration piece and the second vibration piece are respectively fixed on the upper side and the lower side of the outer magnet;

the outer magnet is of a hollow structure, the inner magnet is positioned in the outer magnet, and a voice coil is arranged between the inner magnet and the outer magnet;

a lower gasket is arranged between the second vibrating piece and the bottom of the shell;

after the voice coil is electrified, a magnetic field is generated to drive the first vibrating piece and the second vibrating piece to vibrate, push the thimble and drive the vibrating diaphragm to sound.

Optionally, two through holes are formed in the bottom of the shell, and the lead wires of the voice coil are connected with a power supply through the two through holes.

Optionally, the vibrating diaphragm is round with a protruding structure, and the vibrating diaphragm is fixed above the shell through glue.

Optionally, the diaphragm is a composite material of PU and PET.

Optionally, two ends of the first vibration piece and the second vibration piece are bending structures;

the first vibrating piece and the second vibrating piece are oppositely arranged on the upper side and the lower side of the outer magnet.

Optionally, clamping grooves are respectively arranged above and below the outer side of the outer magnet;

the first vibrating piece and the second vibrating piece bending structures are respectively fixed in clamping grooves above and below the outer side of the outer magnet.

Optionally, the first vibration piece and the second vibration piece are made of a composite material of PC and glass fiber.

Optionally, the inner magnet and the voice coil and the outer magnet are fixed by glue respectively; the lower gasket is fixed between the second vibrating piece and the bottom of the shell through glue.

Optionally, when the at least one thimble is one, the thimble is fixed at a center position between the vibrating diaphragm and the first vibrating piece;

when the at least one thimble is two, the thimble is fixed between the vibrating diaphragm and the first vibrating reed, and the thimble is spaced from the central position by a preset distance and is symmetrical to the central position.

In a second aspect, the utility model further provides a smart watch, which comprises the moving coil loudspeaker in the first aspect.

The moving coil loudspeaker provided by the embodiment of the utility model comprises: vibrating diaphragm, the shell, at least one thimble, first vibrating reed, interior magnet, the voice coil loudspeaker voice coil, outer magnet, second vibrating reed and lower gasket, the vibrating diaphragm is fixed in the shell top, at least one thimble is fixed in between vibrating diaphragm and the first vibrating reed, first vibrating reed and second vibrating reed are fixed respectively in the upside and the downside of outer magnet, outer magnet is hollow structure, interior magnet is located the inside of outer magnet, be equipped with the voice coil loudspeaker voice coil between interior magnet and the outer magnet, be provided with down the gasket between second vibrating reed and the shell bottom, after the voice coil loudspeaker voice coil circular telegram, produce the magnetic field, drive first vibrating reed and second vibrating reed vibration, promote the thimble, and drive vibrating diaphragm sound production. Through the common vibration of upper and lower two trembler, effort and reaction force about can producing to improve vibration efficiency, reduce the consumption, improve sensitivity.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a moving-coil speaker according to an embodiment of the present utility model;

fig. 2 is a cross-sectional view of a moving coil speaker according to an embodiment of the present utility model;

fig. 3 is a position diagram of a thimble of a moving-coil speaker according to an embodiment of the present utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail below with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, unless explicitly specified and defined otherwise, the positional relationship described by terms of up, down, left, right, etc. directions is the direction in which a picture is facing a user in the forward direction, i.e., the up, down, left, right, etc. directions in which a page is planar when a picture is displayed normally.

Fig. 1 schematically illustrates a structure of a moving coil speaker provided by the present utility model, and fig. 2 schematically illustrates a cross-sectional view of a moving coil speaker provided by the present utility model, and in combination with fig. 1 and 2, the moving coil speaker may include a diaphragm 101, a housing 102, at least one thimble 103 (only one thimble is illustrated in fig. 1 and 2), a first vibration plate 104, an inner magnet 105, a voice coil 106, an outer magnet 107, a second vibration plate 108, and a lower spacer 109.

Wherein the diaphragm 101 is fixed above the housing 102, and at least one thimble 103 is fixed between the diaphragm 101 and the first vibrating piece 104; the first vibration piece 104 and the second vibration piece 108 are fixed to the upper side and the lower side of the external magnet 107, respectively. The outer magnet 107 has a hollow structure, the inner magnet 105 is positioned inside the outer magnet 107, and a voice coil 106 is provided between the inner magnet 105 and the outer magnet 107. A lower spacer 109 is provided between the second vibrating piece 108 and the bottom of the case 102.

When the voice coil 106 is energized, a magnetic field is generated to drive the first vibration plate 104 and the second vibration plate 108 to vibrate, push the ejector pin 103, and drive the vibration film 101 to sound.

After the voice coil 106 is electrified, a reverse magnetic field is generated under the action of the inner magnet 105 and the outer magnet 107, the magnetic field can drive the first vibration piece 104 and the second vibration piece 108 to vibrate up and down, and as the first vibration piece 104 and the second vibration piece 108 are uniformly distributed, the pushing force is larger than that of the existing loudspeaker, the ejector pin 103 between the first vibration piece 104 and the vibration piece 101 is pushed to vibrate, and the vibration piece 101 can be driven to make sound.

Alternatively, when the at least one thimble 103 is one thimble 103, the thimble 103 is fixed at a center position between the diaphragm 101 and the first vibrating reed 104. At this time, oblique vibration does not occur, and vibration is more uniform.

When the number of the at least one thimble 103 is two, the thimble 103 is fixed between the diaphragm 101 and the first vibrating reed 104, and is spaced from the center by a predetermined distance and is symmetrical. The preset distance may be empirically set.

In addition, the number of the ejector pins 103 may be three, four, five, … …, etc., and at this time, the fixed positions of the ejector pins 103 are symmetrically disposed around the center positions of the diaphragm 101 and the first vibration plate 104. Specifically, as an example shown in fig. 3, the center black solid point of the first vibration plate 104 in each of fig. 3 is the center position. The number of the pins 103 shown in fig. 3 (a) is three, and the positions of the three pins 103 are located at three vertices of an equilateral triangle centered on the center position of the first vibrating piece 104, and the distances from the three pins 103 to the center position are equal and symmetrical to each other. The number of the pins 103 shown in fig. 3 (b) is four, and the positions of the four pins 103 are located at the four vertices of a square centered on the center position of the first vibration plate 104, and the distances from the four pins 103 to the center position are equal and symmetrical to each other. The number of the pins 103 shown in fig. 3 (c) is five, and the positions of the five pins 103 are located on the five vertices of an equilateral pentagon centered on the center position of the first vibrating piece 104, and the distances from the five pins 103 to the center position are equal and symmetrical to each other. With a greater number, the analogy can be made.

Further, two through holes are further provided at the bottom of the housing 102, and the leads of the voice coil 106 are connected to a power source through the two through holes. For example, the leads may be soldered to the motherboard, or other locations where soldering is desired, through the two vias.

In addition, the diaphragm 101 is circular with a convex structure, and the diaphragm 101 is fixed above the housing 102 by glue. The diaphragm 101 may be a composite of PU (Polyurethane) and PET (Polyethylene terephthalate ). The PET can also be formed into polyester chips or polyester resins.

As shown in the cross-sectional view of fig. 2, two ends of the first vibration piece 104 and the second vibration piece 108 are bent structures; the first vibration piece 104 and the second vibration piece 108 are provided on the upper side and the lower side of the external magnet 107 in opposition. The two ends of the first vibration piece 104 and the second vibration piece 108 are bent relatively to one side, and in practical application, the two ends of the first vibration piece 104 and the second vibration piece 108 may be bent relatively to any side, as shown in fig. 2, the first vibration piece 104 is bent relatively to the lower side, and the second vibration piece 108 is bent relatively to the upper side.

Further, the upper and lower sides of the outer magnet 107 are provided with a clamping groove, respectively; the bending structures of the first vibration piece 104 and the second vibration piece 108 are respectively fixed in the clamping grooves above and below the outer side of the outer magnet 107. The clamping groove is adapted to the edge of the bending structure, and the edge of the bending structure can be clamped in the clamping groove, so that the first vibration piece 104 and the second vibration piece 108 are respectively fixed in the clamping grooves above and below the outer side of the outer magnet 107.

The first vibration plate 104 and the second vibration plate 108 may be a composite material of PC (Polycarbonate) and glass fiber (i.e., glass fiber).

The inner magnet 105 and the voice coil 106 and the outer magnet 107 in fig. 1 are fixed by glue, respectively.

The lower pad 109 is fixed between the second vibration piece 108 and the bottom of the case 102 by glue.

In the present utility model, the outer shape of the structure of each part is circular, but the outer shape of the structure is not limited to this shape in practical application, and may be square, rectangular, elliptical, or the like, and the structure is particularly suitable for practical application.

The utility model also provides a structure of the intelligent watch, which comprises the moving coil loudspeaker described in the embodiment.

The moving coil loudspeaker provided by the embodiment of the utility model comprises: the vibrating diaphragm 101, the shell 102, at least one thimble 103, first vibrating reed 104, interior magnet 105, voice coil 106, external magnet 107, second vibrating reed 108 and lower gasket 109, vibrating diaphragm 101 is fixed in shell 102 top, at least one thimble 103 is fixed in between vibrating diaphragm 101 and the first vibrating reed 104, first vibrating reed 104 and second vibrating reed 108 are fixed respectively in the upside and the downside of external magnet 107, external magnet 107 is hollow structure, interior magnet 105 is located the inside of external magnet 107, be equipped with voice coil 106 between interior magnet 105 and the external magnet 107, be provided with lower gasket 109 between second vibrating reed 108 and the shell 102 bottom, after the voice coil 106 circular telegram, produce magnetic field, drive first vibrating reed 104 and second vibrating reed 108 vibrate, promote thimble 103, and drive vibrating diaphragm 101 sound. Through the common vibration of upper and lower two trembler, effort and reaction force about can producing to improve vibration efficiency, reduce the consumption, improve sensitivity.

While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (10)

1. A moving coil loudspeaker comprising: the device comprises a vibrating diaphragm, a shell, at least one thimble, a first vibrating piece, an inner magnet, a voice coil, an outer magnet, a second vibrating piece and a lower gasket;

the vibrating diaphragm is fixed above the shell;

the at least one thimble is fixed between the vibrating diaphragm and the first vibrating piece;

the first vibration piece and the second vibration piece are respectively fixed on the upper side and the lower side of the outer magnet;

the outer magnet is of a hollow structure, the inner magnet is positioned in the outer magnet, and a voice coil is arranged between the inner magnet and the outer magnet;

a lower gasket is arranged between the second vibrating piece and the bottom of the shell;

after the voice coil is electrified, a magnetic field is generated to drive the first vibrating piece and the second vibrating piece to vibrate, push the thimble and drive the vibrating diaphragm to sound.

2. The moving coil loudspeaker as defined in claim 1, wherein the bottom of the housing is provided with two through holes, and the leads of the voice coil are connected to a power supply through the two through holes.

3. The moving coil loudspeaker of claim 1 wherein the diaphragm is circular with a convex configuration and the diaphragm is secured over the housing by glue.

4. A moving coil loudspeaker according to claim 3, wherein the diaphragm is a composite of PU and PET.

5. The moving coil speaker of claim 1, wherein both ends of the first vibration piece and the second vibration piece are bent structures;

the first vibrating piece and the second vibrating piece are oppositely arranged on the upper side and the lower side of the outer magnet.

6. The moving coil loudspeaker as recited in claim 5 wherein said outer magnets are provided with respective slots above and below the outer sides thereof;

the first vibrating piece and the second vibrating piece bending structures are respectively fixed in clamping grooves above and below the outer side of the outer magnet.

7. The moving coil speaker of claim 6 wherein said first diaphragm and said second diaphragm are a composite of PC and fiberglass.

8. The moving coil speaker of claim 1, wherein the inner magnet and the voice coil and the outer magnet are fixed by glue, respectively; the lower gasket is fixed between the second vibrating piece and the bottom of the shell through glue.

9. The moving coil speaker according to any one of claims 1 to 8, wherein when the at least one thimble is one, the thimble is fixed at a center position between the diaphragm and the first vibrating piece;

when the at least one thimble is two, the thimble is fixed between the vibrating diaphragm and the first vibrating reed, and the thimble is spaced from the central position by a preset distance and is symmetrical to the central position.

10. A smart watch comprising a moving coil speaker as claimed in any one of claims 1 to 9.