WO2015127657A1

WO2015127657A1 - Miniature audio electronic

Info

Publication number: WO2015127657A1
Application number: PCT/CN2014/072727
Authority: WO
Inventors: 刘骏涛
Original assignee: 刘骏涛
Priority date: 2014-02-28
Filing date: 2014-02-28
Publication date: 2015-09-03

Abstract

A miniature audio electronic comprising a main body, a main circuit board and a speaker that are arranged within the main body, a base used for supporting the main body, and, a battery and a button circuit board that are fixed within the base. Lead through holes are provided on both the base and the main body. Because the battery is fixed within the base, compared with the prior art whereby the battery is fixed within the main body, under the premise that the weight of the miniature audio electronic remains unchanged, the weight of the base is increased while the weight of the main body is reduced, as such, the center of gravity of the miniature audio electronic is lowered to a certain extent. Under the premise that a contact area remains unchanged, that is, a friction remains unchanged, stability is relatively increased with the lowered center of gravity, and the miniature audio electronic is thus provided with improved stability.

Description

Micro acoustic

[Technical Field]

The present invention relates to the field of audio and, more particularly, to a miniature sound system.

【Background technique】

I have designed a miniature sound system including a main body having a built-in speaker and a main circuit board and a base for supporting the main body; the main body includes opposite left and right shells and a middle frame connecting the left and right shells, The micro-acoustic body is provided with two horns, which are respectively fixed at the relative positions of the left and right shells by glue; the left shell/right shell is generally convex outwardly curved, and the bottom is provided with a semi-circular opening. The upper end is provided with a downwardly inclined slit, and the left shell, the right shell and the middle frame are detachably fixed. A key circuit board with a function key for operating the micro sound is arranged in the base, and the key circuit board is electrically connected with the main circuit board; the micro audio also has a radio function, and can read music on the U disk, The main circuit board is provided with a USB interface, and the main circuit board is also provided with an audio input hole, which can easily connect various types of sound sources of PC, mobile phone, MP3/4, IPOD/IPHONE, and the battery is fixed for the rechargeable lithium battery. In the main body, the battery is electrically connected to the main circuit, and a charging socket is also arranged on the main circuit board. The micro-audio dual-mode power supply supports USB power supply and lithium battery power supply, and the main circuit board is also provided for controlling the micro audio operation. The state switch, the main circuit board is fixed in the main body with screws, and the main body is provided with a charging socket and a USB escaping port and a switch hole and a headphone jack. The base has a truncated cone shape and the lower end of the base is larger than the bottom of the main body. This program is not public. Although the base is added to increase the contact area between the micro-sound and the object, the heavy components such as the horn and the battery are placed in the main body so that the main body is biased so that the center of gravity of the micro-sound is high, but the center of gravity is high and easy to use. Inadvertently knocked down.

[Summary of the Invention]

The technical problem to be solved by the present invention is to provide a micro-audio with better stability.

The object of the present invention is achieved by the following technical solutions: a micro-sound comprising a main body and a main circuit board and a horn disposed inside the main body, a base for supporting the main body, and being fixed in the a battery inside the base, a button circuit board; the base and the main body are provided with a wire through hole. Preferably, the base comprises a hollow circular-shaped upper cover that is in contact with the main body and a lower cover that closes the upper cover; the lower cover is provided with a recessed battery storage compartment, and the micro-audio further includes The conductive sheet of the battery positive/negative electrode is connected, and one end of the battery placing chamber is provided with a conductive sheet perforation, and the base further includes a battery cover for closing the battery compartment. This is the specific form of the battery in the base.

Preferably, the conductive sheet is disposed corresponding to the battery compartment, and a frontward first fold is disposed at a front end of the conductive sheet; the first fold is against the positive/negative electrode of the battery, and the conductive sheet is rearward The end is provided with a positioning hole, and the outer side of the battery compartment is provided with a heat-melting column that cooperates with the positioning hole; the end of the positioning hole of the conductive piece is provided with a second fold opposite to the first folding direction. This is the specific setting and fixing method of the conductive sheet. It is fixed by heat fusion, and the operation cylinder is single and firm.

Preferably, the base and the main body are fixed by screws; and the first screw hole and the second screw hole are oppositely disposed at an intermediate position between the upper cover and the main body. This is the specific assembly of the base and the main body.

Preferably, a first annular protrusion of the second screw hole is disposed outside the main body, and a first recess corresponding to the first annular protrusion is disposed in the upper cover. When the main body and the base are assembled, the first annular protrusion is inserted into the first recess so that no displacement occurs between the main body and the upper cover, which facilitates the installation of the screw.

Preferably, the lower cover is provided with a screw perforation opposite to the position of the first screw hole, and the upper cover is provided with a second annular protrusion that surrounds the first screw hole, and the lower cover is A columnar projection is provided in contact with the second annular projection. The second annular projection is in contact with the cylindrical projection to support the base.

Preferably, the battery is in a square shape and the positive/negative electrode is located at a corner position of the battery. Correspondingly, the battery compartment is also in a square shape, and the conductive sheet perforation is also located at a corner position of the battery compartment. This is the specific form of battery and battery compartment.

Preferably, the wires on the main body and the base are opposite in position. In this way, the wires connecting the battery and the main circuit board and the main circuit board and the key circuit board during assembly are only required to pass through one hole, and the installation step is reduced. Preferably, one end of the battery cover is provided with a collar, and the opposite end of the insertion is provided with a stepped buckle. Correspondingly, the battery compartment is provided with a socket and a matching with the insertion. The button is matched with the buckle. The battery cover is fixed to the battery compartment by inserting, which is convenient for installation. It is convenient to remove the battery cover by setting a stepped buckle.

The invention fixes the battery in the base, and the battery is fixed in the main body compared with the background art, and the weight of the base is reduced, and the weight of the base is increased, thereby reducing the weight of the main body. To a certain extent, the center of gravity of the micro-sound is moved down. When the contact area is constant, that is, the friction is constant, the center of gravity moves down and the stability is relatively increased, so that the micro-audio has better stability.

[Description of the Drawings]

1 is a schematic overall view of a micro-sound according to an embodiment of the present invention;

2 is a schematic internal view of an upper cover according to an embodiment of the present invention;

Figure 3 is a schematic view of the inside of the lower cover of the embodiment of the present invention;

4 is a schematic external view of a lower cover according to an embodiment of the present invention;

Figure 5 is a schematic view of a conductive sheet according to an embodiment of the present invention;

Figure 6 is a schematic view of a battery in accordance with an embodiment of the present invention.

Among them: 1, left shell; 2, right shell; 3, middle frame; 4, speaker net; 5, speaker sound hole; 6, upper cover; 61, button avoidance hole; 62, button pillar; 63, button circuit board Limit post; 64, first screw hole column; 65, first screw hole; 66, second annular protrusion; 67, wire perforation; 7, button; 8, lower cover; 81, battery compartment; Three screw holes; 83, columnar protrusions; 84, screw perforations; 85, recesses; 86, battery cover insertion; 87, button placement; 9, battery; 10, conductive sheet; 101, first fold; , the second fold; 103, positioning holes.

【detailed description】

A micro-sound comprising a main body and a main circuit board and a horn disposed inside the main body, a base for supporting the main body, and a battery and a key circuit board fixed inside the base; the base and the main Wire perforations are provided on the body. The invention fixes the battery in the base, and the battery is fixed in the main body compared with the background art, and the weight of the base is reduced, and the weight of the base is increased, thereby reducing the weight of the main body. To a certain extent, the center of gravity of the micro-sound is moved down. When the contact area is constant, that is, the frictional force is constant, the center of gravity moves down, and the stability is relatively increased, so that the micro-audio has better stability.

The invention will now be further described with reference to the drawings and preferred embodiments.

As shown in FIGS. 1 to 6, the micro-sound includes a main body and a base disposed at a bottom of the main body for supporting the main body; a speaker and a main circuit board disposed inside the main body, and a battery and a key circuit board disposed in the base, the key circuit board and The electrical connection between the main circuit boards, the electrical connection between the battery and the main circuit board, and the wire perforations are provided on the main body and the base.

The main body includes a left shell 1 and a right shell 2 disposed opposite to each other and a middle frame 3 connecting the left shell 1 and the right shell 2; the left shell/right shell is generally convex outwardly curved, and the bottom portion is semicircular The opening and the upper end are provided with a downwardly inclined slit, and the left shell 1, the right shell 2 and the middle frame 3 are detachably fixed. The base is generally in the shape of a truncated cone, and includes an upper cover 6 adapted to the top of the main body and gradually protruding outward, and a lower cover 7 closing the upper cover 6. The upper cover 6 and the lower cover 7 are fixed by screws, and the upper cover 6 is fixed. The cover 6 and the middle frame 3 are screwed together to fix the base to the bottom of the main body.

In the middle position of the upper cover 6 and the middle frame 3, two first screw holes 65 and a second screw hole are disposed respectively, and in order to prevent displacement of the upper cover 6 and the middle frame 3 when the screws are installed, A first annular protrusion of the second screw hole is disposed outside the middle frame 3, and a first recess corresponding to the first annular protrusion is disposed in the upper cover 6.

The lower cover 8 is provided with a recessed battery storage compartment 81. The micro-audio further includes a conductive sheet 10 connecting the positive/negative electrodes of the battery. One end of the battery storage compartment 81 is provided with a conductive sheet perforation, and the base further includes a closed Battery cover for the battery compartment. The conductive sheet 10 is disposed corresponding to the battery compartment, and the front end of the conductive sheet is provided with a first backward fold 101; the first fold 101 is against the positive/negative electrode of the battery, and the rear end of the conductive sheet is provided with a positioning hole 103, the battery A heat-melting column is disposed on the outer side of the plenum, and the conductive sheet 10 is heat-sealed. The end of the locating hole of the conductive sheet 10 is disposed opposite to the first fold 101. The pool compartment 81 is mated with a second fold 102. The battery 9 has a square shape, and the battery compartment 81 and the battery cover are also in a block shape. One end of the battery cover is provided with a protruding mortise, the battery compartment is provided with a battery cover 86 for engaging the mortise, and a opposite end of the battery cover 86 is provided with a stepped buckle. The battery compartment is provided with An insertion bit that cooperates with the insertion bone and a buckle that cooperates with the buckle. This makes it easy to install and remove the battery cover.

A screw hole 84 is disposed at a bottom of the battery compartment 81 at a position opposite to the first screw hole 82. The upper cover 7 is provided with a second annular protrusion 66 that surrounds the first screw hole, so that the main body and the base are The upper cover and the lower cover are combined.

Four third screw holes 82 of the ring battery compartment 81 are disposed on the bottom cover 8, and a first screw hole post 64 mated with the third screw hole 82 is disposed in the upper cover. A recess 85 for placing a screw is disposed on the outer side of the third screw hole 82 to prevent the screw from protruding from the bottom cover; a columnar protrusion 83, a columnar protrusion 83 and the first screw hole post 64 are disposed inside the third screw hole 82. Conjunction.

A first horn is disposed at a relative position of the left shell and the right shell, and a horn sound hole is disposed at a position of the first slab, and a second slab is disposed at a top of the middle frame 3 The slot fixes the second horn in the second louver placement slot, and also provides a zipper net 4 for protecting the second horn on the middle frame 3.

The main circuit board is fixed in the middle frame 3 by screws, and the key circuit board is sandwiched between the upper cover and the lower cover of the base, and a jack is arranged at both ends of the button circuit board, and the upper cover is provided with the jack. The button circuit board limits the column 63. The micro-audio also includes a button provided on the button circuit board, and a button escaping hole 61 is provided on the upper cover 6. In order to securely fix the button 7, the button 7 is set in the body, and the button cover 62 of the ring cover escape hole 61 is provided in the upper cover 6.

The above is a further detailed description of the present invention in connection with the specific preferred embodiments. It is not intended that the specific embodiments of the invention are limited to the description. It will be apparent to those skilled in the art that the present invention may be practiced without departing from the spirit and scope of the invention.

Claims

Rights request

1. A miniature speaker, characterized in that it includes a main body, a main circuit board and a speaker arranged inside the main body, a base used to support the main body, and a battery and key circuit board fixed inside the base; Both the base and the main body are provided with wire penetration holes.

2. The micro-audio speaker according to claim 1, wherein the base includes a hollow truncated cone-shaped upper cover in contact with the main body and a lower cover closing the upper cover; the lower cover is provided with a The mini speaker also includes a recessed battery placement compartment, a conductive sheet connected to the positive/negative electrode of the battery, one end of the battery placement compartment is provided with a conductive sheet perforation, and the base also includes a battery cover that closes the battery compartment.

3. The micro-audio speaker according to claim 2, wherein the conductive sheet is arranged corresponding to the battery compartment, and a first backward fold is provided at the front end of the conductive sheet; the first fold resists the The positive/negative electrode of the battery, the rear end of the conductive sheet is provided with a positioning hole, and the outside of the battery compartment is provided with a hot melt column that matches the positioning hole; the end of the positioning hole of the conductive sheet is provided with a A second fold in the opposite direction to the first fold.

4. The micro-speaker according to claim 3, wherein the base and the main body are fixed with screws; two opposite first screw holes and two are provided at the middle position between the upper cover and the main body. Second screw hole.

5. The micro-speaker according to claim 4, characterized in that, a first annular protrusion surrounding the second screw hole is provided on the outside of the main body, and a first annular protrusion is provided in the upper cover and is connected to the first annular protrusion. The protrusion matches the first depression.

6. The micro-audio speaker according to claim 4, wherein the lower cover is provided with a screw through hole opposite to the position of the first screw hole, and the upper cover is provided with a screw hole surrounding the first screw hole. a second annular protrusion, and a columnar protrusion in contact with the second annular protrusion is provided in the lower cover.

7. The micro-speaker according to claim 2, wherein the battery is in a square shape and the positive/negative electrodes are located at the corners of the battery. Correspondingly, the battery compartment is also in a square shape, and the conductive The punch holes are also located at the corners of the battery compartment.

8. The micro-speaker according to claim 1, characterized in that the wire perforations on the main body and the base are at opposite positions.

9. The micro-audio speaker according to claim 2, wherein one end of the battery cover is provided with a rib, and the opposite end of the rib is provided with a step-shaped buckle. Correspondingly, in the battery compartment An insertion bit matched with the bone insert and a buckle bit matched with the buckle hand are provided.