KR100390415B1 - structure of wireless external speaker unit in LCD monitor - Google Patents

Abstract

The present invention relates to an external speaker structure of an LCD monitor, and an object of the present invention is a speaker structure of an LCD monitor configured to be detachable to an external speaker unit on a monitor body, wherein the speaker unit is exposed to the outside when the speaker unit is attached to the monitor body. It is to provide external wireless speaker structure of LCD monitor with built-in cable.

In order to achieve the above object, the external wireless speaker structure of the LCD monitor according to the present invention is provided with a liquid crystal display module (LCM) for displaying data by the image effect of the liquid crystal by applying a signal voltage between the cabinet and the back cover At least one speaker unit for receiving a voice signal from the main PCB in the monitor main body, the monitor main body, an external type detachable to the monitor main body to implement a voice, and simultaneously attaching or detaching the speaker unit to the monitor main body And a conduction means for transferring a voice signal between the monitor body and the speaker unit.

Description

Structure of wireless external speaker unit in LCD monitor

The present invention relates to an LCD monitor which is one of the display devices, and more particularly, to a wireless speaker structure of an LCD monitor capable of embedding a cable exposed to the outside when the external speaker is connected to the LCD monitor.

Most of the monitors that have been used as display devices of desktop computers have been mostly CRTs (Cathode Ray Tubes), but due to the weight and size of the CRTs themselves, the monitors could not actively cope with the miniaturization and weight reduction of electronic products.

To replace such CRTs, liquid crystal displays have been actively developed, which have the advantages of small size, light weight, and low power consumption, and recently, the laptop type has been developed enough to perform a role as a flat panel display. It is widely used not only for computer monitors but also for monitors of desktop computers.

In particular, LCD monitors consume significantly less power than conventional CRT monitors, do not generate harmful electromagnetic waves, and are free of mobility and space utilization.

The LCD monitor can be classified into a built-in type in which the speaker is built in the monitor main body and an external type in which the monitor main body and the speaker can be separated according to the installation position of the speaker.

Hereinafter, the external speaker structure of the LCD monitor will be described in detail with reference to the accompanying drawings.

First, FIG. 1 is a perspective view illustrating a connection structure of an external speaker of a conventional LCD monitor, including a monitor main body 1 including an LCD panel for displaying various image data and a screen display device, and left and right sides of the monitor main body. A pair of speaker units 3 are detachably attached to the main body.

At this time, a plurality of cables connected to the monitor main body 1, the speaker unit 3, and a PC system (not shown) are connected to each other through the rear surface. That is, any one of the speaker unit (3) is connected to the monitor main body (1), the speaker cable (5) that is energized with the main PCB (Printed Circuit Board) to transfer the audio signal, the speaker unit (3) The cable 9 is connected to the PC system for driving. Then, a cable 7 connecting the speaker unit with another speaker unit is connected between the speaker units.

However, the connection structure of the external speaker configured as described above is a factor that hinders the design because the plurality of cables are exposed to the outside even when the plurality of cables are connected to the speaker unit and the PC system through the rear of the monitor. Especially for LCD monitors that require a sleek and luxurious design with a space-saving slim design, the design problem due to the cumbersome cable has been seriously raised.

Cabling for connecting the speaker unit, the monitor main body, and the PC system when installing a computer is not only an inconvenient task of finding and connecting corresponding speaker jacks with cables having respective functions, but also is difficult. The work put a lot of pressure on the user.

The present invention has been made to solve the above problems, an object of the present invention is a speaker structure of an LCD monitor that is configured to be detachable external speaker unit to the monitor body, when the speaker unit is attached to the monitor body is exposed to the outside It is to provide external wireless speaker structure of LCD monitor with built-in cable.

Another object of the present invention is to provide an external wireless speaker structure of an LCD monitor that improves design competitiveness by embedding a cable connected to a speaker unit.

Still another object of the present invention is to provide an external wireless speaker structure of an LCD monitor which can eliminate the inconvenience and difficulty of cabling when attaching the speaker unit to the monitor main body.

1 is a perspective view showing an external speaker connection structure of a conventional LCD monitor

2 is a perspective view showing a speaker structure of an LCD monitor according to the present invention;

Figure 3a is a perspective view of the monitor body side to show the speaker structure of the LCD monitor according to the present invention

Figure 3b is a perspective view of the speaker side separated to show the speaker structure of the LCD monitor according to the present invention

4 is a partial cross-sectional view showing a fastening relationship between the overmolded bracket and the overmolded screw of the LCD monitor according to the present invention.

5 is a perspective view showing the inner side of the speaker side of the LCD monitor according to the present invention;

6A is a front view showing a main bracket of the LCD monitor according to the present invention.

FIG. 6B is a cross-sectional view taken along the line AA ′ of FIG. 6A

7A is a front view showing the speaker bracket of the LCD monitor according to the present invention.

FIG. 7B is a cross-sectional view taken along the line BB ′ of FIG. 7A

8A is a front view showing an overmolder bracket of the LCD monitor according to the present invention.

FIG. 8B is a cross-sectional view taken along the line CC 'of FIG. 8A

9A is a front view showing the overmolder screw of the LCD monitor according to the present invention.

FIG. 9B is a cross-sectional view taken along the line D-D 'of FIG. 9A

Explanation of symbols on the main parts of the drawings

10 cabinet 20 back cover

30: speaker unit 40: main bracket

50: speaker bracket 60: overmolder bracket

70: overmolder screw

In order to achieve the above object, the external wireless speaker structure of the LCD monitor according to the present invention is provided with a liquid crystal display module (LCM) for displaying data by the image effect of the liquid crystal by applying a signal voltage between the cabinet and the back cover At least one speaker unit for receiving a voice signal from the main PCB in the monitor main body, the monitor main body, an external type detachable to the monitor main body to implement a voice, and simultaneously attaching or detaching the speaker unit to the monitor main body And a conduction means for transferring a voice signal between the monitor body and the speaker unit.

At this time, the energization means is fixed in the monitor main body and a pair of main brackets of a positive electrode and a negative electrode which are energized by the main PCB and the internal wiring, and an anode fixed in the speaker unit and energized by the tweeter and the woofer and the internal wiring. And a pair of overmolders of a cathode and a cathode for coupling a pair of speaker brackets of a cathode and an audio signal while simultaneously coupling the main bracket and the speaker bracket to a pole.

In addition, the overmolder is provided between the back cover of the monitor body and the speaker unit, and fastening holes are formed at both side ends, and the overmolder bracket is energized internally, and fastened to the main bracket and the speaker bracket through the fastening holes, respectively. At the same time it consists of an overmolder screw which is energized internally.

The overmolder bracket is formed of an outer molder which surrounds an outer surface and prevents the generation of static electricity when the voice signal is transmitted, and a metal bracket that energizes the voice signal in the outer moldr. An external molder prevents generation of static electricity during voice signal transmission, and a metal screw extending from the head part to fix the overmolder bracket through a fastening hole and energizing the metal bracket.

Subsequently, the main bracket includes a fem nut through which a metal screw of the overmolder screw is fastened to one side and a voice signal is energized, and the speaker bracket has a voice signal while the metal screw of the overmolder screw is fastened to one side. It includes a fem nut that is energized.

On the other hand, the speaker unit includes a speaker jack holder that is energized through a separate speaker jack when separated from the monitor body.

Below. The external wireless speaker structure of the LCD monitor according to the preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

First, Figure 2 is a perspective view showing a speaker structure of the LCD monitor according to the invention, Figure 3a is a perspective view of the monitor body side to show the speaker structure of the LCD monitor according to the present invention, Figure 3b is an LCD according to the present invention 4 is a partially separated perspective view illustrating a speaker structure of the monitor, and FIG. 4 is a partial cross-sectional view illustrating a fastening relationship between an overmolded bracket and an overmolded screw of the LCD monitor according to the present invention.

5 is a perspective view showing an inner side line of the speaker side of the LCD monitor according to the present invention.

6A is a front view showing the main bracket of the LCD monitor according to the present invention, FIG. 6B is a sectional view taken along the line AA ′ of FIG. 6A, and FIG. 7A shows the speaker bracket of the LCD monitor according to the present invention. 7B is a cross-sectional view taken along the line B-B 'of FIG. 7A, FIG. 8A is a front view showing the overmolder bracket of the LCD monitor according to the present invention, and FIG. 8B is taken along the line C-C' of FIG. 8A. 9A is a front view illustrating an overmolder screw of the LCD monitor according to the present invention, and FIG. 9B is a cross-sectional view taken along the line D-D 'of FIG. 9A.

As shown in FIG. 2, the LCD monitor according to an exemplary embodiment of the present invention includes a cabinet 10 and a back cover 20, and receives a signal voltage therein to display data through image effects of liquid crystal. A monitor main body including a module (Liquid Crystal Display Module), a speaker unit 30 for receiving a voice signal from a main printed circuit board (PCB) in the monitor main body, which is detachable to the monitor main body, and implements voice; When the speaker unit is attached to the monitor main body is made of a power supply means for transmitting a voice signal between the monitor main body and the speaker unit.

At this time, the power supply means (60, 70) not only transmits a voice signal but also serves as a fixing means for attaching or detaching the speaker unit (30) to the monitor body at the same time.

2 illustrates a shape in which the speaker unit 30 is attached to both sides of the monitor main body.

The energizing means is mainly composed of a main bracket on the monitor body side, a speaker bracket on the speaker unit side, an overmolder bracket 60 and an overmolder screw 70 connecting the main bracket and the speaker bracket.

Hereinafter, the specific shape and function of the power supply means will be described in detail.

Figure 3a shows the monitor body side power supply means, Figure 3b is a speaker unit side power supply means, the power supply means is fixed to the cabinet 10 of the monitor body and the main PCB (not shown) and the internal wiring (90, 91 is connected to the main bracket 40 is energized, the speaker bracket 50 is fixed in the speaker unit 30, the tweeter 32 and the woofer 34 and the internal wiring is connected, and the main bracket 40 ) And overmolders 60 and 70 for energizing the speaker bracket 50.

In addition, the overmolder secures the overmolder bracket 60 between the back cover 20 and the speaker unit 30 of the monitor main body, the overmolder bracket, and simultaneously the main bracket 40 and the speaker. The overmolder screw 70 is energized with the bracket 50.

The overmolder bracket 60 has fastening holes 62 formed at both sides thereof such that the overmolder screw 70 is engaged with the main bracket 40 and the speaker bracket 60.

At this time, the main bracket 40, the speaker bracket 50 and the overmolder bracket 60 are formed in pairs for + wiring and-wiring, respectively.

As shown in Figure 6a and 6b, each of the main bracket 40 is formed with a fastening hole 44 to be fixed to the cabinet, the internal wiring extending from the main PCB through the fastening hole 44 is When the screw 80 is fastened, the main bracket 40 and the main PCB are energized with each other. That is, one of the main brackets 40 is connected to the + wiring 91 of the main PCB, and the other is connected to the-wiring 90 of the main PCB.

In addition, the main bracket 40 is protruded toward the back cover side so that the overmolder screw 70 is inserted and fixed through the insertion hole 22 of the back cover and energized at the same time. Of course, the material of the main bracket should be a metal capable of transmitting a voice signal.

Next, as shown in FIGS. 7A and 7B, the speaker bracket 50 has a fastening hole 54 formed to be fixed to one side of the speaker unit, and extends from the speaker tweeter and the woofer through the fastening hole 54. It is energized by screwing internal wiring. At this time, two fastening holes 54 are formed one at a time.

In addition, a fem nut 52 protrudes from one side of the speaker bracket 50 so that the overmolder screw 70 is engaged and energized. Two pem nuts 52 are formed, one on each of the left and right sides. This is because the speaker brackets 50 are provided on the left and right speaker units, which correspond to brackets having the same shape. Of course, even in this case, the speaker bracket is made of a metal material and is energized with the internal wiring connected through the fastening hole.

On the other hand, as shown in Figure 8a and 8b, the overmolder bracket 60 is formed long in the longitudinal direction so as to cover the back cover and the speaker unit of the monitor body, the fastening hole for fastening the overmolder screw (left and right) ( 62) is formed.

The overmolder bracket 60 energizes the voice signal through the external molder 64 surrounding the outer surface and the fastening hole 62 in the external molder 64 to prevent the generation of static electricity when the voice signal is transmitted. Made of a metal bracket (66).

And, as shown in Figures 9a and 9b, the overmolder screw 70 is an outer molder 74 surrounding the head portion to prevent the generation of static electricity during voice signal transmission, and extends from the head portion to the overmolder A metal screw 76 is inserted through the fastening hole 62 of the bracket 60 and is energized with the metal bracket 66 through the fastening hole.

That is, the overmolded bracket 60 and the overmolded screw 70 may include external molders 64 and 74 to prevent the generation of static electricity on the outer surface of the human hand.

Meanwhile, as shown in FIG. 4, the principle of energizing the overmolded bracket and the overmolded screw is well illustrated. That is, when the overmolded screw 70 is inserted through the fastening hole 62, the metal bracket 66 of the overmolder bracket 60 contacts the metal screw 76 through the fastening hole 62. The voice signal is energized.

The connection process of the monitor main body and the speaker unit having the energizing means configured as described above is as follows.

As shown in FIGS. 3A and 3B, a pair of main brackets 40 are fastened with screws 80 through fastening holes 44 on both sides of the cabinet 10 of the monitor body, respectively. At this time, the ends of the wirings 91 and 91 extending from the main PCB have the same shape as the nuts 90a and 91a and are connected to the fastening holes 44 of the main bracket 40 corresponding to the poles by the screws. .

In addition, a pair of speaker brackets 50 are respectively fastened with screws through fastening holes 54 in the speaker unit 30, and the fastening holes 54 extend from the tweet 32 and the woofer 34. Wiring is connected.

In order to couple the speaker unit 30 to the monitor main body, the overmolder bracket 60 is placed on the back cover 20 of the monitor main body and the mounting grooves 25 and 35 of the speaker unit 30. The overmolder screw 70 is fastened to the fastening hole 62 of the overmolder bracket. At this time, the overmolder screw 70 is inserted through the insertion hole 22 of the back cover is fastened to the fem nut 42 of the main bracket, it is also inserted through the insertion hole of the speaker unit 30 It is fastened to the fem nut 52 of the speaker bracket.

Therefore, the voice signal transmitted from the main PCB is transmitted to the main bracket 40 through the internal wiring 91 and again to the speaker bracket 50 through the overmolder bracket 60 and the screw 70.

Meanwhile, a process of energizing the voice signal transmitted to the speaker bracket will be described with reference to FIG. 5.

As shown in FIG. 5, the speaker unit 30 includes a tweeter 32 that is a high-pitched speaker and a woofer 34 that is a bass-only speaker, and the wiring terminals 32a, 34a) are provided respectively. When the speaker unit is separated from the monitor main body, a speaker jack holder 38 for a separate speaker jack 95 connected to the monitor main body is included at the lower end of the speaker unit 30. Also, the speaker jack holder 38 is also provided with a wiring terminal 38a.

The + wiring 93 extending from the tweet 32 and the woofer 34 is connected to the fastening hole 52 of the speaker bracket 50a for + wiring of the speaker bracket 50 so as to be energized with each other. The wiring 94 extending from the woofer is energized by being connected to the fastening hole 52 of the speaker bracket 50b for wiring.

The + wiring 93 of the speaker jack holder 38 is connected to the fastening hole of the speaker bracket 50a for the + wiring, and the-wiring 94 of the speaker jack holder is a speaker for the-wiring. It is connected to the fastening hole of the bracket (50b).

Therefore, even if the speaker unit 30 is separated from the monitor main body, the speaker jack 95 which is energized with the monitor main body is inserted into the speaker jack holder 38, whereby the speaker jack holder 38 is connected to the speaker bracket 50. It is energized and can work properly.

The external wireless speaker structure of the LCD monitor according to the present invention, when the external speaker unit is attached to the monitor main body, the main bracket and speaker tweeter and the speaker bracket and the woofer, and the main bracket and the speaker bracket are energized. By using an energization means consisting of an overmolder bracket and a screw, there is an advantage in that the cable exposed to the outside when the speaker unit is attached to the monitor main body can be eliminated. In addition, the power supply means has the advantage of simultaneously performing the role of fixing the speaker unit to the monitor body.

Therefore, the appearance of the LCD monitor can be more advanced and refined, resulting in an improvement in design competitiveness.

In addition, since the cable does not need to be connected one by one, it brings the effect of eliminating inconvenient and difficult work due to the cabling.

Claims (8)

A monitor main body provided with a liquid crystal display module (LCM) for receiving a signal voltage between the cabinet and the back cover to display data by an image effect of the liquid crystal; At least one speaker unit configured to receive a voice signal from a main PCB in the monitor body and to implement a voice; A pair of main brackets of positive and negative electrodes fixed in the monitor main body and energized by a main PCB and internal wiring; A pair of speaker brackets fixed in the speaker unit and energized by tweets and woofers and internal wirings; And a pair of overmolders of positive and negative electrodes for coupling the main bracket and the speaker bracket to the poles and simultaneously conducting a voice signal. The overmolder is provided between the back cover of the monitor body and the speaker unit, and fastening holes are formed at both side ends, and the overmolder bracket is energized internally, and is fastened to the main bracket and the speaker bracket through the fastening holes, respectively. Consists of an internally energized overmolder screw, The overmolder bracket is formed of an outer molder which surrounds an outer surface and prevents generation of static electricity when transmitting a voice signal, and a metal bracket that energizes a voice signal in the outer molder. The overmolder screw is formed of an external molder which surrounds the head part and prevents generation of static electricity when transmitting a voice signal, and a metal screw extending from the head part to fix the overmolder bracket through a fastening hole and energizing the metal bracket. under, One side of the main bracket is provided with a fem nut through which a metal screw of the overmolder screw is fastened and a voice signal is energized. One side of the speaker bracket is an external wireless speaker structure of the LCD monitor, characterized in that the metal screw of the overmolder screw is fastened and a fem nut for energizing a voice signal. delete delete delete delete delete delete The method of claim 1, The speaker unit is an external wireless speaker structure of the LCD monitor including a speaker jack holder that is energized through a separate speaker jack when separated from the monitor body.