CN216873356U - Sound box and intelligent desk lamp - Google Patents

Abstract

The utility model relates to the technical field of intelligent desk lamps, and discloses a sound box and an intelligent desk lamp. According to the sound box and the intelligent desk lamp, the resonance frequency of the counterweight shell is greater than the vibration frequency of the horn unit during frequency response vibration, so that the counterweight shell does not resonate with the horn unit when the horn unit works, vibration of the counterweight shell is reduced, and the influence of vibration of the horn unit during working on the precision of the intelligent desk lamp and the work of components sensitive to vibration on the intelligent desk lamp is reduced. Compared with the prior art that the counterweight part and the shell body with the sound cavity are arranged in a split mode, the counterweight part does not need to be arranged independently, the number of parts of the sound box and the intelligent desk lamp is reduced, the counterweight shell body has the gravity center for reducing the intelligent desk lamp, the intelligent desk lamp with the sound box is not prone to toppling, and the cost of the sound box and the cost of the intelligent desk lamp are reduced.

Description

Sound box and intelligent desk lamp

Technical Field

The utility model relates to the technical field of intelligent desk lamps, in particular to a sound box and an intelligent desk lamp.

Background

The audio amplifier includes loudspeaker assembly, loudspeaker assembly is including the shell that is equipped with the sound chamber, and install the loudspeaker unit in the sound chamber, to the desk lamp of installing the audio amplifier like intelligent desk lamp etc., loudspeaker unit's frequency response vibration can drive intelligent desk lamp resonance through the shell, this is the important source of the different sound of intelligent desk lamp, to the precision of intelligent desk lamp, the work to the sensitive components and parts of vibration on the intelligent desk lamp causes very big influence, if the photo that shoots when can make the unit of making a video recording on the intelligent desk lamp is fuzzy, influence the user and experience the use of intelligent desk lamp.

In order to solve the technical problem, a vibration reduction structure is arranged for the loudspeaker unit so as to reduce the influence of the loudspeaker unit on the vibration of the intelligent table lamp. In particular, the vibration reduction structure may be a sound absorbing member by which sound wave vibrations are prevented from causing the housing at the sound cavity to resonate. The vibration reduction structure can also be a counterweight part, the counterweight part is connected with the shell, and the resonance frequency of the shell is changed through the counterweight part, so that the resonance frequency of the shell provided with the counterweight part is higher than the sound frequency emitted when the loudspeaker unit works, and the loudspeaker unit and the shell are prevented from resonating. In addition, to the intelligent desk lamp of thin and high type, the counterweight still has the effect that reduces intelligent desk lamp focus, makes the difficult empting of intelligent desk lamp.

For the intelligent desk lamp adopting the counterweight to damp vibration, the split design of the shell and the counterweight has the defect of large occupied space, the number of parts of the intelligent desk lamp is large, and the cost of the sound box and the intelligent desk lamp is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sound box and an intelligent desk lamp, which can reduce the occupied space of the sound box, the number of parts and components and reduce the cost.

In order to achieve the purpose, the utility model adopts the following technical scheme:

on one hand, the utility model provides a sound box which comprises a loudspeaker unit, wherein the loudspeaker unit can perform frequency response vibration when an audio electrical signal is connected; the sound box further comprises:

the balance weight casing, be equipped with loudspeaker sound chamber on the balance weight casing, loudspeaker unit install in loudspeaker sound intracavity, the resonant frequency of balance weight casing is greater than the vibration frequency when loudspeaker unit carries out the frequency response vibration.

As an alternative to the above sound box, the weight housing is made of gray cast iron.

As an optional technical solution of the above sound box, the speaker unit and the speaker sound cavity are hermetically connected by a sealing member.

As an optional technical scheme of the sound box, the sealing element is made of foam or rubber.

As an optional technical solution of the above sound box, the sound box further includes:

the counterweight shell is fixedly arranged in the shell.

As an optional technical solution of the above sound box, the housing includes:

a housing body;

the base, the base with shell body links to each other and encloses into there is the installation cavity, the counter weight casing install in the installation cavity.

As an optional technical solution of the above sound box, the counterweight housing and the speaker unit are connected by a first fastener;

and/or the counterweight shell is connected with the base through a second fastener;

and/or the base is connected with the shell body through a third fastener.

As an optional technical scheme of the sound box, the counterweight shell is connected with the base, and a vibration damping piece is arranged at the connecting position of the counterweight shell and the base.

As an optional technical scheme of the sound box, the vibration reduction piece is a rubber pad.

On the other hand, the utility model also provides an intelligent desk lamp which comprises the sound box in any scheme.

The utility model has the beneficial effects that: according to the sound box and the intelligent desk lamp, the resonance frequency of the counterweight shell is greater than the vibration frequency of the horn unit during frequency response vibration, so that the counterweight shell does not resonate with the horn unit when the horn unit works, vibration of the counterweight shell is reduced, and the influence of vibration of the horn unit during working on the precision of the intelligent desk lamp and the work of components sensitive to vibration on the intelligent desk lamp is reduced. Compared with the prior art that the counterweight part and the shell body with the sound cavity are arranged in a split mode, the counterweight part does not need to be arranged independently, the number of parts of the sound box and the intelligent desk lamp is reduced, the counterweight shell body has the gravity center for reducing the intelligent desk lamp, the intelligent desk lamp with the sound box is not prone to toppling, and the cost of the sound box and the cost of the intelligent desk lamp are reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a sound box (a casing body is not shown) provided in an embodiment of the present invention;

FIG. 2 is an exploded view of a base and horn unit provided by an embodiment of the present invention;

fig. 3 is a sectional view of a sound box (a case body is not shown) provided by an embodiment of the present invention;

fig. 4 is an exploded view of the sound box, the base and the housing body according to the embodiment of the present invention.

In the figure:

1. a horn unit; 2. a counterweight housing; 21. an installation table; 3. a seal member; 4. a base; 41. mounting a boss; 42. assembling a boss; 5. a housing body; 6. a vibration damping member; 7. a first fastener; 8. a second fastener; 9. a third fastener; 10. and (6) a protective pad.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

As shown in fig. 1 to 4, the present embodiment provides a sound box and an intelligent desk lamp, the intelligent desk lamp includes a sound box, the sound box includes a speaker unit 1 and a counterweight housing 2, wherein the speaker unit 1 can perform frequency response vibration when being connected to an audio electrical signal; be equipped with loudspeaker sound chamber on the counter weight casing 2, loudspeaker unit 1 installs in loudspeaker sound intracavity, and counter weight casing 2's resonant frequency is greater than loudspeaker unit 1 and carries out the vibration frequency when frequency response vibrates.

The audio amplifier that this embodiment provided, the resonant frequency of counter weight casing 2 that adopts is greater than the vibration frequency when loudspeaker unit 1 carries out the frequency response vibration, makes loudspeaker unit 1 during operation, and counter weight casing 2 can not take place resonance with loudspeaker unit 1 to reduce counter weight casing 2's vibration, reduce the influence of comparatively sensitive components and parts work of vibration on the precision of loudspeaker unit 1 during operation to intelligent desk lamp and the intelligent desk lamp. Compared with the prior art that the counterweight part and the shell body provided with the sound cavity are arranged in a split mode, the counterweight part does not need to be arranged independently, the number of parts of the sound box and the intelligent desk lamp is reduced, the counterweight shell 2 has the gravity center for reducing the intelligent desk lamp, the intelligent desk lamp adopting the sound box is not prone to toppling, and the cost of the sound box and the cost of the intelligent desk lamp are reduced.

Further, counter weight casing 2 is made by grey cast iron, makes counter weight casing 2 not only have the effect that reduces the focus of intelligent desk lamp, still makes counter weight casing 2's resonant frequency great, can make counter weight casing 2's resonant frequency be greater than the vibration frequency when loudspeaker unit 1 carries out the frequency response vibration, avoids counter weight casing 2 and loudspeaker unit 1 to take place resonance. It should be noted that the counterweight housing 2 is not limited to be made of gray cast iron, and only needs to satisfy the requirement of the counterweight housing 2 for lowering the center of gravity and the requirement of the counterweight housing 2 for the resonance frequency, which are not illustrated herein.

Further, the horn unit 1 and the horn sound chamber are connected by a first fastener 7. Specifically, the one end opening in loudspeaker sound chamber, the open end in loudspeaker sound chamber is formed with the spacing face of step, and the one end of loudspeaker unit 1 is formed with the loudspeaker turn-ups, is packed into the loudspeaker sound intracavity by the open end in loudspeaker sound chamber to make the loudspeaker turn-ups butt in the spacing face of step. Be equipped with the first mounting hole that a plurality of circumference were laid on the spacing face of step, be equipped with the second mounting hole with first mounting hole one-to-one on the loudspeaker turn-ups, second mounting hole and threaded connection are passed in the first mounting hole that corresponds to the one end of first fastener 7 to with loudspeaker unit 1 fixed connection in counter weight casing 2. Illustratively, the number of the first mounting holes is four, the number of the second mounting holes is four, and the first fastening member 7 is a bolt.

It should be noted that the fixing manner of the horn unit 1 and the weight housing 2 is not limited to the connection by the first fastening member 7, and may be a snap connection or the like, and it is not described in detail herein.

Further, in order to guarantee that loudspeaker unit 1 normally works, loudspeaker unit 1 passes through sealing member 3 sealing connection with loudspeaker sound chamber to the opening in closed loudspeaker sound chamber makes loudspeaker sound chamber form confined cavity, with the air in the vibration extrusion loudspeaker sound chamber that utilizes loudspeaker unit 1 to produce, in order to convert the audio frequency signal of telecommunication into sound signal. Alternatively, the sealing member 3 is a sealing member having a sealing property such as foam or rubber.

Exemplarily, adopt the bubble cotton as sealing member 3, be equipped with the third mounting hole with first mounting hole one-to-one on the bubble cotton, be equipped with the hole of wearing to establish that is used for wearing to establish loudspeaker unit 1 on the bubble cotton, loudspeaker unit 1's one end is passed and is established the hole, and make the cotton clamp of bubble locate between loudspeaker turn-ups and the spacing face of step, pass the second mounting hole through first fastener 7, corresponding third mounting hole and the first mounting hole that corresponds, with loudspeaker unit 1, bubble cotton and counter weight casing 2 fixed connection, seal loudspeaker unit 1 and counter weight casing 2 through the bubble cotton, so that loudspeaker unit 1 normally works, guarantee tone quality.

Furthermore, the sound box also comprises a shell, and the counterweight housing 2 is fixedly arranged in the shell. The shell not only has the effect of fixing the counterweight housing 2, and covers the counterweight housing 2, but also has the effect of improving the beautiful effect of the whole loudspeaker box. Specifically, the shell includes shell body 5 and base 4, and wherein, casing and base 4 link to each other and enclose into there being the installation cavity, and counter weight casing 2 installs in the installation cavity.

In this embodiment, the weight housing 2 and the base 4 are connected by a plurality of circumferentially spaced second fasteners 8. Specifically, the protruding installation boss 41 that is equipped with of inner wall of base 4, be equipped with first pilot hole on the installation boss 41, be equipped with mount table 21 on the counter weight casing 2, be equipped with the second mounting hole with first pilot hole one-to-one on the mount table 21, the installation boss 41 inserts in the second pilot hole that corresponds from the one end of second pilot hole, second fastener 8 inserts the first pilot hole that corresponds in the other end of second pilot hole to threaded connection is in this first pilot hole, with counter weight casing 2 and base 4 fixed connection. Illustratively, there are three mounting bosses 41.

In order to reduce the vibration of the housing when the horn unit 1 is operated, a vibration damping member 6 is provided at a connection position of the weight housing 2 and the base 4 to damp the weight housing 2. Specifically, the mounting boss 41 is of a stepped structure, a step surface is formed at the free end of the mounting boss 41, a limiting boss is convexly arranged on the inner wall of the second assembling hole, one end of the vibration damping piece 6 is inserted into the second assembling hole and sleeved outside the small-diameter end of the mounting boss 41, so that one end of the vibration damping piece 6 is clamped between the limiting boss and the small-diameter end of the mounting boss 41, the step surface has a limiting effect on the vibration damping piece 6, and the other end of the vibration damping piece 6 abuts against the side surface of the mounting table 21, which faces away from the base 4. The vibration damping piece 6 is exemplarily a rubber pad made of hard rubber, so that the vibration damping effect is good and the cost is low. It should be noted that the damping member 6 is not limited to a rubber pad, and may be other structural members having a damping function, which are not illustrated herein.

Further, the base 4 is connected to the housing body 5 by a plurality of circumferentially spaced third fasteners 9. Specifically, the inner wall of the base 4 is convexly provided with an assembling boss 42, the base 4 is provided with a connecting hole penetrating through the assembling boss 42, one end of the third fastening piece 9 penetrates through the connecting hole and is in threaded connection with the shell body 5, the head of the third fastening piece 9 abuts against the stepped surface, and the head of the third fastening piece 9 does not protrude out of the opening end surface of the connecting hole, so that the third fastening piece 9 is prevented from interfering with the installation of other structural components. Illustratively, there are four third fasteners 9.

Further, a protection pad 10 is installed on the outer bottom surface of the base 4, the head of the third fastening piece 9 does not protrude out of the outer bottom surface of the base 4, and the protection pad 10 blocks the connecting hole of the third fastening piece 9, so that the third fastening piece 9 is prevented from being exposed to improve the attractive effect. Specifically, the connecting hole is a stepped hole, a stepped surface is formed on the inner wall of the connecting hole, the head of the third fastening member 9 abuts against the stepped surface, and the head of the third fastening member 9 does not protrude out of the opening end face of the connecting hole.

Optionally, base 4's outer bottom surface is equipped with the annular mounting groove, the connecting hole runs through the diapire setting of annular mounting groove, protection pad 10 inlays and locates in the annular mounting groove, and make protection pad 10 protruding locate base 4's outer bottom surface, protection pad 10 adopts the material that has anti-skidding abrasionproof performance to make, the audio amplifier sets up in the lower part of intelligent desk lamp, base 4 of audio amplifier is base 4 for intelligent desk lamp, adopt anti-skidding abrasionproof performance's material to make protection pad 10, can effectively prevent base 4 wearing and tearing and prevent that base 4 from sliding.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (10)

1. A sound box comprises a loudspeaker unit (1), wherein the loudspeaker unit (1) can vibrate in a frequency response mode when an audio electrical signal is connected; its characterized in that, the audio amplifier still includes:

counterweight housing (2), be equipped with loudspeaker sound chamber on counterweight housing (2), loudspeaker unit (1) install in loudspeaker sound chamber, the resonant frequency of counterweight housing (2) is greater than the vibration frequency when loudspeaker unit (1) carries out the frequency response vibration.

2. An acoustic enclosure according to claim 1, characterised in that the weight housing (2) is made of grey cast iron.

3. An enclosure as claimed in claim 1, characterised in that the horn unit (1) is sealingly connected to the horn chamber by a seal (3).

4. An enclosure as claimed in claim 3, characterised in that the seal (3) is a foam or rubber.

5. The acoustic enclosure of claim 1, further comprising:

the balance weight shell (2) is fixedly arranged in the shell.

6. An acoustic enclosure according to claim 5, wherein the enclosure comprises:

a case body (5);

the base (4), base (4) with shell body (5) link to each other and enclose into there being the installation cavity, install in counter weight casing (2) in the installation cavity.

7. An acoustic enclosure according to claim 6, wherein the counterweight housing (2) and the horn unit (1) are connected by a first fastener (7);

and/or the counterweight shell (2) is connected with the base (4) through a second fastener (8);

and/or the base (4) is connected with the shell body (5) through a third fastening piece (9).

8. An acoustic enclosure according to claim 6, wherein the weight housing (2) is connected to the base (4), and a damping member (6) is provided at a connection position of the weight housing (2) and the base (4).

9. An acoustic enclosure according to claim 8, characterised in that the damping member (6) is a rubber pad.

10. An intelligent desk lamp, characterized in that, comprises the sound box of any one of claims 1 to 9.

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