KR100967615B1 - Frame assembly for infrared ray touch screen apparatus - Google Patents

Abstract

PURPOSE: A frame assembly for infrared ray touch screen device improving production efficiency is provided to mount a common substrate to an infrared transceiving substrate and install a frame tube to a guiding unit, thereby simply and stability mount an infrared screen device. CONSTITUTION: Many frame tubes is installed on IR(Infrared Ray) transmitting substrates(30a). Guide parts(11a) guides a sliding insertion of a IR receiving substrates. An infrared ray transmitting substrate or the guide unit is formed in inside of framed assembly. The infrared transmitting substrate or the IR receiving substrate is inserted in one end of the frame assembly. Common substrates(40a) is installed on the infrared ray transmitting substrate. A coupling members is connected to many frame tube.

Description

FRAME ASSEMBLY FOR INFRARED RAY TOUCH SCREEN APPARATUS}

The present invention relates to a frame assembly for an infrared touch screen device, wherein the structure of a substrate for driving an infrared light receiving device and an infrared light transmitting device is improved to mount an infrared touch screen device that reduces the width of a substrate frame of the infrared touch screen device. And a frame assembly for the same.

In general, a touch screen is one of a method of configuring an interface between an information communication device and a user using various display devices, and an input device that allows a user to interface with the device by touching a screen with a finger or a fan. Is one.

Since the touch screen is an input device that can be used easily by both men and women by interactively and intuitively manipulating a computer by simply touching a button displayed on the display device with a finger or the like, a PDA (Personal Digital Assistant) and a tablet PC are currently available. It is applied in many fields such as the display of banks and government offices, various medical equipment, optical light and guidance of major organizations.

In addition, as the price of PDP (Plasma Display Panel) or LCD (Liquid Crystal Display) LCD display devices is getting larger and lower in price, a touch screen device is installed on the front of the screen of the PDP or LCD and the existing white board is used. New uses have been proposed for use in the form of digital boards to replace. As a method of recognizing a touch on a screen in a touch screen device applied to such a large display device, an infrared light method is widely used.

The infrared light method uses the linearity of infrared rays, and detects the coordinates of the blocked portion when the obstacle blocks the infrared rays emitted in the horizontal and vertical directions.

A conventional touch screen device includes a plurality of X-axis infrared transmitting elements and a plurality of X-axis infrared receiving elements disposed to face in the horizontal direction, a plurality of Y-axis infrared transmitting elements and a plurality of Y-axis infrared rays disposed to face in the vertical direction. It includes a receiving element.

In the infrared transmitting element or infrared receiving element, the X- and Y-axis transmitting substrate and the X- and Y-axis receiving substrate for infrared receiving processing or infrared transmitting processing are arranged in a rectangular frame shape, and the frame is X-axis and Y-axis transmitting. It is installed in front of the PDP or LCD with the credit board and the boards for receiving the X and Y axes and mounted on the display device.

In the conventional infrared touch screen device, a plurality of infrared transmitting elements or infrared receiving elements are installed on one transmitting or receiving substrate, thereby widening the width of the substrate, which is a display device when the infrared touch screen device is installed on the display device. This increases the width of the border frame area, which is a factor to the overall aesthetics of the display device, and increases the space occupied by the entire display device by increasing an area other than the screen area where the actual image is displayed. have.

In addition, the hole formation direction of the substrate and the infrared transmission direction and the infrared reception direction are different, which causes an additional step of bending the lead wire of the device to 'A', which is a factor that lowers the overall work efficiency because it must be performed manually. In addition to working, there is a problem that acts as an obstacle for factory automation.

In order to solve the above problems, the present applicant provides an infrared transmission substrate on which a circuit for infrared transmission processing is mounted; An infrared reception board on which a circuit for infrared reception processing is mounted; A common substrate mounted on a plate surface of each of the infrared transmitting substrate and the infrared receiving substrate; The common substrate is provided with a plurality of infrared transmitting elements and a plurality of infrared receiving elements which are sequentially installed along the longitudinal direction, so that the workability is easy and suitable for factory automation while reducing the width of the substrate for infrared transmission processing or reception processing. In addition, there has been proposed an infrared screen device that can effectively cope with a defect of the substrate.

The present invention is a frame assembly that can be mounted simply and stably the substrate of the infrared screen device as described above, and can be cut and used according to the size without being limited by the size of the infrared touch screen device while improving the efficiency of manufacturing To provide that purpose.

In addition, the present invention can be applied to an infrared screen device that does not have a touch glass installed on the front of the display device, as well as to an infrared screen device where a touch glass is installed, the mounting of the substrate is simple and can stably fix the touch glass. It is another object of the present invention to provide a frame assembly of an infrared touch screen device which can be easily installed on a display device.

In order to achieve the above object, the frame assembly for an infrared touch screen device according to the present invention, an infrared transmission board and an infrared receiver plate mounted with a circuit for infrared transmission and reception processing, and each of the infrared transmitter plate and infrared receiver plate A frame accommodating an infrared touch screen device having a common board mounted on a surface of the board and electrically connected to the infrared transmitter board and the infrared receiver board, and an infrared transmitting device and an infrared receiving device installed along the longitudinal direction of the common board. As an assembly,

The frame assembly may include a guide portion for guiding sliding insertion of the infrared transmitter plate or the infrared receiver plate on which the common board is mounted, and formed to allow the infrared transmitter plate or the infrared receiver plate to be inserted from one side. And a coupling member for connecting the plurality of frame tubes and the plurality of frame tubes.

Here, the coupling member is provided with an insertion portion inserted into the frame tube, the insertion portion is characterized in that formed in a hollow so that the cable for the electrical connection of the infrared transmitter plate and the infrared receiver plate can pass.

The frame tube may further include a bent portion for receiving a touch glass installed on the front surface of the infrared touch screen device.

The apparatus may further include an outer frame surrounding the outer circumferential surface of the frame tube along a longitudinal direction of the frame tube, wherein the outer frame is provided on the inner side of the outer frame and has a plurality of protrusions that abut on the outer side of the frame tube. Characterized in that.

Here, the frame tube, characterized in that the infrared transmitting element and the infrared receiving element further extends toward the outside from the frame side in a direction facing each other further comprises an extension for supporting the end surface of the outer frame.

The outer frame further includes a fixing member fastening portion extending toward the outer side of the outer frame, wherein the fixing member fastening portion is formed in a pair of opposite vertical wall portions and a lower inner portion of the vertical wall portion. It has an arc-shaped support member for guiding and supporting the, characterized in that the pair of vertical wall is formed bent toward each other at the end.

Here, the coupling member is installed in the corner of the rectangular frame formed by the frame tube and the outer frame and a plurality of waterproof panels which are fastened in contact with the end surface of the frame tube and the outer frame, and the waterproof panel And a fastening box which is touched and fastened, wherein the waterproof panel and the fastening box have a cable through hole through which a cable for electrical connection between the infrared transmitter plate and the infrared receiver plate passes.

Here, the frame installed in the direction in which the infrared transmitting element and the infrared receiving element of the frame tube are opposed to each other is characterized in that formed of a polycarbonate material capable of infrared transmission and extruding.

Here, the waterproof panel further includes a protrusion coupling portion formed to protrude from the body of the waterproof panel, the groove coupling portion is formed with a groove to insert the guide portion of the frame tube, the fastening box is the waterproof panel It is characterized in that the insertion groove of the shape corresponding to the shape of the waterproof panel is formed to be inserted.

According to the frame assembly according to the present invention as described above, by mounting the common substrate standing on the infrared transceiver board and the guide portion in the frame tube, it is possible to simply and stably mount the substrate of the infrared screen device, the longitudinal direction of the frame tube Cross section is provided in a constant tubular shape, while improving the efficiency of manufacturing can be used to cut to size without being limited by the size of the infrared touch screen device.

In addition, the present invention can be applied to an infrared screen device in which the touch glass is not installed on the front of the display device, as well as to an infrared screen device in which the touch glass is installed, and the board is easily mounted and the touch glass can be stably fixed. It can also be easily attached to a display apparatus.

1 is a view showing a frame assembly according to an embodiment of the present invention.
2 and 3 are views showing an infrared touch screen device accommodated in the frame assembly of the present invention.
4 is a cross-sectional perspective view of the frame assembly according to the present invention.
5 is a cross-sectional view of the frame assembly according to the present invention.
6 is an exploded perspective view of the frame assembly according to the present invention.
7 and 8 are views showing another example of the waterproof panel.
9 is a perspective view of a frame assembly according to another embodiment of the present invention.
10 is a cross-sectional view of FIG. 9.
11 is a view showing a coupling member of FIG.

Hereinafter, a frame assembly for an infrared touch screen device according to the present invention will be described in detail with reference to the accompanying drawings.

≪ Example 1 >

1 is a perspective view showing a frame assembly for mounting an infrared touch screen according to the first embodiment of the present invention, Figures 2 and 3 are views showing an infrared touch screen device, Figure 4 is a cross-sectional perspective view of the frame assembly, Figure 5 is a frame 6 is an exploded perspective view of the frame assembly.

First, referring to FIGS. 2 and 3, the infrared touch screen device 2 according to the present invention includes a first infrared ray transmitting substrate 30a, a second infrared ray transmitting substrate 30b, and a first infrared ray receiving substrate 30c. ), A second infrared receiver board 30d, a first common board 40a, a second common board 40b, a third common board 40c and a fourth common board 40d, and a plurality of infrared transmitting elements 51a ), And a plurality of infrared ray receiving elements 51b.

Circuits for infrared transmission processing are mounted on the first and second infrared transmission boards 30a and 30b, and circuits for infrared reception processing are mounted on the first and second infrared transmission boards 30c and 30d. The first common substrate 40a is mounted on the plate surface of the first infrared ray transmitting substrate 30a. The second, third, and fourth common substrates 40b, 40c, and 40d are mounted on the plate surfaces of the second, third, and fourth infrared ray transmitting substrates 30b, 30c, and 30d, respectively.

A plurality of infrared transmitting elements 51a are sequentially installed in the first common substrate 40a along the longitudinal direction of the substrate, and a plurality of infrared transmitting elements 51a are provided in the second common substrate 40b. Are sequentially installed along the direction, and the plurality of infrared receivers 51b are arranged on the third common substrate 40c and the plurality of infrared receivers 51b are arranged on the fourth common substrate 40d along the length direction of the substrate. Is installed.

According to the above configuration, the infrared rays emitted from the plurality of infrared ray transmitting elements 51a provided on the first common substrate 40a are received by the plurality of infrared ray receiving elements 51b provided on the third common substrate 40c. The infrared rays emitted from the plurality of infrared ray transmitting elements 51a provided on the second common substrate 40b become a state in which the infrared rays emitted from the plurality of infrared ray receiving elements 51b provided on the fourth common substrate 40d can be received. If there is a part that is covered between the infrared ray transmitting element 51a and the infrared ray receiving element 51b by a touch pen or the like, the corresponding infrared ray receiving element 51b does not receive infrared rays and the touch coordinates are detected according to the presence of an object. It becomes possible.

Here, the first common board 40a, the second common board 40b, the third common board 40c, and the fourth common board 40d are internally connected by line wiring so that they can be commonly applied to infrared reception and infrared transmission. It is composed. That is, the first common board 40a, the second common board 40b, the third common board 40c, and the fourth common board 40d are manufactured by only wiring lines for signals or power supplies. Fabrication of a common substrate, and an infrared ray receiving element 51b and an infrared ray transmitting element 51a are selectively provided so that the infrared ray transmitting side substrate (the first common substrate 40a and the second common substrate 40b) and the infrared receiving side substrate (3rd common board | substrate 40c and 4th shared board | substrate 40d) can be used jointly.

In addition, circuits for infrared transmission processing and infrared reception processing are respectively provided to the first infrared transmission substrate 30a, the second infrared transmission substrate 30b, the first infrared reception substrate 30c, and the second infrared transmission substrate 30b. The infrared receiving element 51b and the infrared transmitting element 51a are respectively mounted on the first common substrate 40a, the second common substrate 40b, the third common substrate 40c and the fourth common substrate 40d. By separating and installing, the first infrared transmitting substrate, the second infrared transmitting substrate 30b, the first infrared receiving substrate 30c, and the second infrared transmitting substrate 30b are caused by the failure of a circuit for infrared transmitting processing or infrared receiving processing. In the case of not using the above, the waste of unnecessary substrates is removed by separating the first common substrate 40a, the second common substrate 40b, the third common substrate 40c or the fourth common substrate 40d and replacing only the corresponding substrate. Not only prevention, but also maintenance is easy.

Particularly, in the conventional infrared touch screen device, a circuit for infrared transmission processing and infrared reception processing, an infrared transmission element, and an infrared reception element are all installed on a single substrate, thereby widening the width of the first common substrate 40a ( 2nd common board | substrate 40b, 3rd common board | substrate 40c, and 4th shared board | substrate 40d are also the same, and 1st infrared ray transmitting board 30a (2nd infrared ray transmitting board 30b, 1st infrared receiving board) 30c and the second infrared ray transmitting substrate 30b are also the same), and the first common substrate 40a is mounted on the first infrared ray transmitting substrate 30a to be mounted so that only the width of the first infrared ray transmitting substrate 30a is achieved. By determining the width of the entire infrared touch screen device it is possible to significantly reduce the edge width of the infrared touch screen device.

Each of the first infrared ray transmitting substrates 30a includes at least one mounting hole 31a formed through the plate surface. The first common substrate 40a may include a mounting portion 41a protruding toward the mounting hole 31a corresponding to the mounting hole 31a of the first infrared ray transmitting substrate 30a and inserted into the mounting hole 31a. have. In addition, the first infrared ray transmitting substrate 30a may include at least one connection hole 32a and a plurality of first connection pads 43a. The first common substrate 40a may include an insertion portion 42a corresponding to the connection hole 32a and a plurality of second connection pads corresponding to the plurality of first connection pads 43a.

The connecting hole 32a is formed by penetrating the plate surface of the first infrared ray transmitting substrate 30a, and the plurality of first connecting pads 43a are formed on the plate surface of the first infrared ray transmitting substrate 30a around the connecting hole 32a. Is formed. The insertion part 42a of the first common substrate 40a is provided corresponding to the number corresponding to the connection hole 32a, and protrudes toward the connection hole 32a from the plate surface of the first common substrate 40a. When the common board 40a is mounted on the first infrared ray transmitting board 30a, it is inserted into the connecting hole 32a.

The plurality of second connection pads are formed on the surface of the insertion portion 42a, and each of the first connections of the first infrared ray transmitting substrate 30a in the state where the insertion portion 42a is inserted into the connection hole 32a. It is electrically connected to the pad 43a. Here, the electrical connection between the first connection pad 43a and the second connection pad may be implemented through soldering.

According to the above configuration, when the first common substrate 40a and the first infrared ray transmitting substrate 30a are coupled to each other in a state where the plurality of infrared ray transmitting elements 51a are installed on the first common substrate 40a, The mounting part 41a and insertion part 42a of the 1 common board | substrate 40a are respectively inserted in the mounting hole 31a and the connection hole 32a of the 1st infrared transmission board | substrate 30a, and the 1st shared board 40a is carried out. It can be attached in the state which stood on this 1st infrared ray transmission board 30a. The first common board 40a and the first infrared ray transmitting board 30a are electrically connected to each other by electrically connecting the first connection pad 43a and the second connection pad 33a corresponding to each other by soldering. By soldering, the coupling between the first common substrate 40a and the first infrared ray transmitting substrate 30a becomes more firm.

Similarly to the above configuration, the configuration diagrams of the second, third and fourth common substrates 40b, 40c and 40d and the second, third and fourth infrared transmission substrates 30b, 30c and 30d are also shown in FIG. 40a) and the first infrared ray transmitting substrate 30a, the description thereof is omitted.

In addition, the infrared ray transmitting element 51a is positioned above the first infrared ray transmitting substrate 30a in a state where the first common substrate 40a is mounted on the first infrared ray transmitting substrate 30a and the first infrared ray transmitting substrate 30a. Is installed on the first common substrate 40a so as to emit infrared rays toward the plane of the plate surface. Workability can be improved by being able to be inserted into a hole (not shown) formed in the substrate 40a, and a plurality of infrared ray transmitting elements 51a are inserted into the first common substrate 40a by removing the lead wire bending process. To automate the process.

Hereinafter, the frame assembly 1 for accommodating the infrared touch screen device having the above-described configuration will be described.

In the present embodiment, for convenience of explanation, the frame assembly 10a provided on the upper surface side of the display device 3 will be described as a reference, but the frames 10b, 10c, and 10d provided on both side surfaces and the lower surface side will be described. Of course, the same is true.

The frame assembly according to the present embodiment will be described based on the frame assembly applied when the touch glass 2 is installed on the front surface of the display device 3.

The frame assembly 1 is composed of a frame tube 11, an outer frame 12, and a coupling member 13.

The frame tube 11 may accommodate the common substrate, the infrared transmitter plate / infrared receiver plate, and the infrared transmitter / infrared receiver in an inner side, and the infrared transmitter plate or the infrared receiver in the state where the common board is mounted. It is formed in the shape of a hollow hollow tube so that the substrate can be inserted from one side, and the cross section is formed uniformly, and it is configured to be cut and used as desired according to the size of the display device.

In addition, the inner surface of the frame tube 11 is provided with a plurality of guide portions 11a protruding toward the inner surface and extending in the longitudinal direction. The guide part 11a guides the slide part to be slidably inserted between the plurality of guide parts when the infrared transmitter plate or the infrared receiver plate on which the common substrate is mounted is inserted. .

Further, a bent portion 11b is formed which is bent from the rear surface side of the frame tube 11 toward the front side, that is, from the opposite side of the side on which the infrared transceiver element is installed, to the front side, and the bent portion 11b. The touch glass 2 installed in the front of the infrared touch screen device is accommodated in the step formed by the step.

In addition, the frame tube may further include an extension part 11c. As shown in Figs. 4 and 5, the extension part 11c is provided on the lower end side, i.e., the frame side in the direction in which the infrared transmitting element and the infrared receiving element oppose each other, and are directed outward, i.e., the frame tube. It extends toward the front side and the back side of the structure, and is configured to support the end surface of the outer frame, which will be described later.

In addition, the frame in which the extension is formed, that is, the frame installed in a direction in which the infrared transmitting element and the infrared receiving element of the frame tube face each other is formed of a polycarbonate (PC) material and is irradiated from the infrared transmitting element. It is preferable that the infrared ray incident on the infrared receiver is configured to be able to pass and to be extrudable.

On the other hand, in the present embodiment, an outer frame 12 surrounding the upper surface, the front surface, and the rear surface of the frame tube is installed along the longitudinal direction on the outer circumferential surface of the frame tube 11.

On the inner surface of the outer frame 12, a plurality of semi-circular projections 12a are formed to protrude inward. The plurality of protrusions 12a are installed to abut on an outer surface of the frame tube, and when the frame tube is inserted into the outer frame, the plurality of protrusions 12a minimize the friction between the outer frame and the frame tube and at the same time. It is configured to support the tube.

In addition, the outer frame 12 may further include an outer bent portion 12b formed at a position corresponding to the bent portion 11b provided in the frame tube 11. As shown in FIG. 4, the outer bent portion 12b is bent toward the front side to be configured to receive the touch glass 2. In addition, the support portion 12c having an arcuate cross section is formed in a portion in contact with the frame tube on the side where the outer bent portion 12b is formed to minimize friction of the bent portion 11b of the frame tube 11. Can be configured to support.

4 and 5, a fixing member fastening portion 12d may be further provided on the upper side of the outer frame.

The fixing member fastening portion 12d is inserted into the fixing member 16 to be described later, and configured to be fastened at an appropriate position along the longitudinal direction of the outer frame. One side of the fixing member 16 is connected to the fixing member fastening portion 12d, and the other side of the fixing member 16 is configured to fasten the frame assembly to the display apparatus.

The fixing member fastening portion 12d is constituted by a pair of vertical wall portions extending outwardly of the outer frame, that is, extending from the front side and rear side frames of the outer frame toward the upper side in the drawing. The pair of vertical wall portions are bent toward each other at the ends of the fixing member fastening portion 12d, and the ends of the bent portions of the pair of vertical wall portions facing each other are spaced apart from each other so that the fixing member is externally framed. It is configured to be movable along the longitudinal direction of the.

In addition, a support member 12f having an arcuate cross section is provided at a lower inner side of the vertical wall portion, so that friction is minimized when one side of the fixing member moves along the space 12e between the vertical wall portion and the outer frame. While guiding and supporting the fixing member.

On the other hand, the coupling member 13 is installed at the corners of the rectangular frame formed by the four frame tube 11 and the four outer frame 12.

In the present embodiment, the coupling member 13 is composed of a waterproof panel 14 and a fastening box 15. The waterproof panel 14 is made of, for example, a rubber material to perform a waterproof function, and is composed of a plurality of waterproof panels 14a and 14b which abut against the end surfaces of the frame tube and the outer frame. Each of the plurality of waterproof panels 14a and 14b is provided with a cable through hole 14d to allow a cable for electrical connection between the infrared transmitter plate and the infrared receiver plate to pass therethrough. In addition, the plurality of waterproof panels 14a and 14b are provided with a plurality of fastening holes 14c for fastening the fastening box, the frame tube, and the external frame.

The fastening box is composed of a first fastening box 15a having one side open and a second fastening box 15b mounted at one side of the first fastening box opened, and the first fastening box and the second fastening box A plurality of bosses and protrusions 15c for assembling are formed.

In addition, a cable through hole 15d is formed in the first fastening box 15a at a position corresponding to the cable through hole 14d when the first fastening box 15a is engaged with the waterproof panel. The cable passed through is configured to be inserted and penetrated.

On the other hand, the waterproof panel is an example consisting of a plurality of waterproof panels integrally formed in a b-shape, as shown in Figures 7 and 8, it may be formed to abut one frame tube and the outer frame.

As shown in FIGS. 7 and 8, the waterproof panel 14 ′ is formed such that a portion where the common substrate and the infrared transceiver board come into contact with each other is formed into an empty space so that cables can be inserted and penetrated therethrough. 11) and a shape corresponding to the support member 12f of the outer frame of the frame tube.

In addition, the waterproof panel 14 ′ further includes a protrusion coupling portion 14 ′ a protruding from the main body of the waterproof panel 14, and the protrusion coupling portion 14 ′ a includes the protrusion tube 14 ′. The groove 14'b is formed to insert the guide portion.

Here, the fastening box is formed with an insertion groove 15'a having a shape corresponding to the shape of the waterproof panel so that the waterproof panel 14 'is inserted, and the waterproof panel 14' is inserted into the insertion groove. It is configured to perform more stable waterproof function.

<Example 2>

9 to 11 is a view showing a frame assembly for an infrared touch screen device according to a second embodiment of the present invention. In the present embodiment, unlike the first embodiment, the frame assembly is a frame assembly applied to an infrared touch screen device that does not mount the touch glass.

9 to 11, the frame assembly 1 'according to the present embodiment includes a first frame tube 60a, a second frame tube 60b, a third frame tube 60c, and a fourth frame tube. 60d and four coupling members 62a.

The first frame tube 60a has a hollow tube shape. Then, the first common substrate 40a is inserted from one side of the first frame tube 10a in a state where the first common substrate 40a is mounted on the first infrared transmission substrate 30a, whereby the first common substrate 40a and the first infrared transmission substrate ( 30a) is received and supported by the first frame tube 60a.

Here, a guide part 61a for guiding sliding when the first common substrate 40a and the first infrared ray transmitting substrate 30a are inserted may be formed in the first frame tube 60a along the insertion direction. . In FIG. 8, the guide part 61a is formed to protrude from the inside of the first frame tube 60a to guide both edges of the first infrared ray transmitting substrate 30a. However, the first common substrate 40a and the first common substrate 40a may be formed. 1 may be provided in various forms that can be guided sliding the infrared transmission substrate (30a).

According to the configuration of the guide portion 61a as described above, the sliding insertion of the first common substrate 40a and the first infrared ray transmitting substrate 30a is guided, and the first common substrate 40a and the first common substrate 40a and the first after sliding insertion are guided. The infrared ray transmitting substrate 30a can be stably maintained inside the first frame tube 60a.

The configuration of the second, third, and fourth frame tubes 60b, 60c, and 60d is also the same as that of the first frame tube, and thus redundant descriptions thereof will be omitted.

As described above, the first frame tube 60a, the second frame tube 60b, the third frame tube 60c and the fourth frame tube 60d are provided in a tubular shape having a constant cross section in the longitudinal direction, and the PC By producing a material such as a material that can be extruded, it is possible to cut to fit the size without being limited by the size of the infrared touch screen device while improving the efficiency of manufacturing.

In the present embodiment, the outer frame and the fixing member fastening portion is not formed on the upper side of the frame tube as an example, but is not necessarily limited to this, as in the first embodiment, of course, the outer frame and the fixing member fastening portion can be formed. .

On the other hand, the coupling member 62a, the first frame tube 60a, the second frame tube 60b, the third frame tube 60c and the fourth frame tube 60d is a square frame of the infrared touch screen device. To form the sides, the first frame tube 60a, the second frame tube 60b, the third frame tube 60c and the fourth frame tube 60d are respectively connected in the four corner regions of the rectangular frame.

Referring to the coupling member 62a connecting the first frame tube 60a and the fourth frame tube 60d as an example, the coupling member 62a may be a first insertion part inserted into the first frame tube 60a. 63a) and a second insertion portion 64a inserted into the fourth frame tube 60d. That is, the first inserting portion 63a is forcibly fitted to the first frame tube 60a and the second inserting portion 64a is forcibly fitted to the fourth frame tube 60d, whereby the coupling member 62a is the first. The frame tube 60a and the fourth frame tube 60d are connected to each other.

Here, the coupling member 62a is made of an elastic material, for example, a rubber material, so that the first frame tube and the fourth frame tube can be more firmly connected when inserted into the first frame tube 60a and the fourth frame tube 60d. Will be. In addition, a plurality of first fastening holes are formed in the first inserting portion 63a and the second inserting portion 64a of the coupling member 62a, respectively. A second fastening hole may be formed and provided to be coupled through a screw (not shown).

In addition, the coupling member 62a is provided in the shape of a hollow cylinder communicating with both frame tube directions, whereby the first infrared ray transmitting substrate 30a, the second infrared ray transmitting substrate 30b, and the first infrared ray housed in each frame tube. A cable for connection between the receiving board 30c and the second infrared receiving boards 30d may pass therethrough.

The present embodiment merely shows a part of the technical idea included in the present invention, and modifications and specific embodiments which can be easily inferred by those skilled in the art within the scope of the technical idea included in the specification of the present invention are all Obviously, it is included in the technical idea of the present invention.

1: frame assembly
2: touch glass
3: Display device
10a, 10b, 10c, 10d, 11: frame tube
12: external frame
13: coupling member

Claims (9)

An infrared transmission board and an infrared receiver board on which circuits for infrared transmission and reception processing are mounted, and a common board which is mounted and mounted on respective plates of the infrared transmitter board and the infrared receiver board and electrically connected to the infrared transmitter board and the infrared receiver board; And a frame assembly accommodating an infrared touch screen device including an infrared transmitting element and an infrared receiving element installed on the common board in a longitudinal direction.
The frame assembly,
The guide frame for guiding the sliding insertion of the infrared transmitter plate or the infrared receiver plate equipped with the common substrate is formed on the inner side and a plurality of hollow frame tube formed so that the infrared transmitter plate or the infrared receiver plate can be inserted from one side Wow,
Frame assembly for an infrared touch screen device, characterized in that it comprises a coupling member for connecting the plurality of frame tubes.
The method of claim 1,
The coupling member has an insertion portion inserted into the frame tube,
The insertion unit is a frame assembly for an infrared touch screen device, characterized in that formed in the hollow so that the cable for the electrical connection of the infrared transmitter plate and the infrared receiver plate can pass through.
The method of claim 1,
The frame tube further includes a bent portion for receiving a touch glass installed on the front of the infrared touch screen device frame assembly for an infrared touch screen device.
The method of claim 3, wherein
Further provided with an outer frame surrounding the outer peripheral surface of the frame tube along the longitudinal direction of the frame tube,
The outer frame is a frame assembly for an infrared touch screen device, characterized in that provided on the inner surface of the outer frame and a plurality of projections that abut the outer surface of the frame tube.
The method of claim 4, wherein
The frame tube further includes an extension unit which extends outward from the frame side in the direction in which the infrared transmitting element and the infrared receiving element face each other to support an end surface of the outer frame. Frame assembly.
The method of claim 4, wherein
The outer frame further includes a fixing member fastening portion extending toward the outside of the outer frame,
The fastening member fastening portion includes a pair of opposing vertical wall portions and an arc-shaped support member which is formed inside the lower portion of the vertical wall portion to guide and support the fixing member.
And the pair of vertical wall portions are bent toward each other at their ends to form a frame assembly for an infrared touch screen device.
The method according to any one of claims 4 to 6,
The coupling member,
A plurality of waterproof panels installed at corners of the rectangular frame formed by the frame tube and the outer frame and abutted against end surfaces of the frame tube and the outer frame;
It is provided with a fastening box that is in contact with the waterproof panel,
And a cable through hole through which the cable for electrical connection between the infrared transmitter plate and the infrared receiver plate passes through the waterproof panel and the fastening box.
The infrared touch screen according to claim 1, wherein the frame installed in the direction in which the infrared transmitting element and the infrared receiving element of the frame tube face each other is made of a polycarbonate material capable of passing infrared rays and is extrudable. Frame assembly for the device.
The method of claim 7, wherein
The waterproof panel further includes a protrusion coupling portion formed to protrude from the main body of the waterproof panel,
The protrusion coupling portion is formed with a groove to insert the guide portion of the frame tube,
The fastening box frame assembly for the infrared touch screen device, characterized in that the insertion groove is formed in a shape corresponding to the shape of the waterproof panel so that the waterproof panel is inserted.

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