CN218676000U - Infrared touch all-in-one machine with low touch height - Google Patents

Abstract

The utility model relates to an infrared touch all-in-one machine with low touch height, which comprises a touch display area and a frame surrounding the touch display area, wherein the frame is a structural member for fixing a display screen and protective glass from the periphery, a space for installing a circuit board of an infrared touch circuit is arranged in the middle of the structural member, and infrared rays received or emitted by an infrared tube arranged on the circuit board pass through the protective glass; the frame structure comprises a rear outer rib, a middle rib and a front outer rib, and the rear outer rib and the rear shell are integrally formed; the rear outer rib and the middle rib are fastened from the outside of the display screen and the protective glass; the middle rib is comb-shaped, and infrared tubes receive or emit infrared rays from gaps on the comb-shaped middle rib on the circuit board which is perpendicular to the protective glass. The utility model discloses in, owing to grab the part in front of the touch pad and be the pectination, correspond the department with infrared pipe and form the infrared ray route, can make the touch reduce to the touch pad on.

Description

Infrared touch all-in-one machine with low touch height

Technical Field

The utility model relates to a touch-sensitive screen field, especially an infrared touch all-in-one that touch height is low.

Background

The touch all-in-one machine is composed of advanced touch screens, a mainboard, a memory, a hard disk, a display card and other electronic components, and has no difference with the working principle of the traditional PC. According to the size of the touch screen body and the cooperation of software, public information inquiry, advertisement display, media interaction, conference content display, off-line experience shop commodity display and the like can be achieved, and specific requirements such as fingerprint attendance, card swiping, printing and the like can be achieved by cooperation of peripherals such as a fingerprint instrument, a scanner, a card reader, a micro printer and the like. Generally, different from an electronic whiteboard, more functions can be realized.

The touch all-in-one machine adopting the infrared touch screen is widely popular with users due to the fact that the cost of the touch all-in-one machine is lower than that of a resistance touch screen or a capacitance touch screen, as shown in fig. 1 and fig. 2, the touch all-in-one machine is a widely used infrared touch all-in-one machine at present, a touch display area 100 is defined by frames 200, and infrared transmitting tubes and infrared receiving tubes are respectively arranged in the two opposite frames 200, so that criss-cross infrared rays can be formed, if fingers or other pens and the like move in the touch area, the infrared rays can be shielded, so that some opposite infrared receiving tubes do not receive the infrared rays of the transmitting tubes, and therefore the movement track of a shielding object is judged to achieve touch output.

At present, because the display screen in the touch area is not resistant to long-term touch friction, a protective layer is arranged in front of the display screen to prevent the display screen from being rubbed when touching, the protective layer is transparent, at present, because transparent glass is not wear-resistant, transparent glass plates are mostly used as the protective layer at present, and therefore fingers or other touch pens cannot damage the internal display screen when writing and scratching on the glass, and the display effect is not influenced.

However, since the glass plate itself is heavy, the frame 200 is a structural member capable of supporting a heavy object, when the frame 200 structural member is seen from the touch display area 100, as shown in fig. 3 and fig. 4, three ribs extend outward from the aluminum alloy structural member, the innermost rib is the rear outer rib 210 combined with the rear housing 102, and a mounting groove for mounting the liquid crystal panel 110 and the protective glass 120 is formed between the middle rib 220 and the rear outer rib 210, since the middle rib 220 and the rear outer rib 210 of the structural member need to be pressed inward to fixedly mount the liquid crystal panel 110 and the protective glass 120, the middle rib 220 and the rear outer rib 210 need to have high strength, wherein the middle rib 220 serves to block the protective glass 120, and therefore, the structural member is also called a baffle plate, the infrared touch circuit board 130 is mounted in the middle of the structural member, infrared rays emitted from the infrared tubes on the circuit board 130 need to be emitted from a gap between the front outer rib 230 and the middle rib 220, and the infrared touch circuit board 220 also has a certain thickness, and thus, when the infrared touch pen is touched by a finger, the infrared touch pen can be prevented from being easily interfered by a distance above the glass.

SUMMERY OF THE UTILITY MODEL

The utility model discloses because the reason of glass baffle to present infrared touch screen, the glass board can not be hugged closely to the infrared light, and the touch is highly higher, produces the not enough of interference easily, provides an infrared touch all-in-one that the touch height is low.

The utility model discloses a realize that the technical scheme that its technical purpose adopted is: an infrared touch all-in-one machine with low touch height comprises a touch display area and a frame surrounding the touch display area, wherein the touch display area comprises a display screen, and protective glass and a rear shell which are arranged in front of and behind the display screen; the frame is a structural member for fixing the display screen and the protective glass from the periphery, a space for installing a circuit board of the infrared touch circuit is arranged in the middle of the structural member, and infrared rays received or emitted by an infrared tube arranged on the circuit board pass through the protective glass; the frame structure comprises a rear outer rib, a middle rib and a front outer rib, and the rear outer rib and the rear shell are integrally formed; the rear outer rib and the middle rib are fastened from the outside of the display screen and the protective glass; the middle rib is comb-shaped, and infrared tubes receive or emit infrared rays from gaps on the comb-shaped middle rib on the circuit board which is perpendicular to the protective glass.

Further, in the infrared touch all-in-one machine with a low touch height: on the circuit board, the used socket is vertically arranged.

Further, in the infrared touch all-in-one machine with a low touch height: the structural member comprises a first structural member, a second structural member and a fourth structural member, wherein the first structural member is extruded forwards from the back surface of the shell, the second structural member is extruded inwards from the outside of the touch pad, the third structural member is used for firmly fixing the first structural member and the second structural member, the third structural member extends forwards, the fourth structural member extends inwards from the tail end of the third structural member, and the fourth structural member, the extending part of the third structural member and the second structural member enclose a space for accommodating a circuit board for installing the infrared tube.

The utility model discloses in, owing to grab the part in front of the touch pad and be the pectination, correspond the department with infrared pipe and form the infrared ray route, can make the touch reduce to the touch pad on.

In addition, the width of the circuit board can be reduced by vertically arranging the socket, so that the space for accommodating the circuit board in the structural member is reduced, and the frame is narrower.

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a front view of an infrared touch integrated machine;

FIG. 2 is an exploded view of the infrared touch integrated machine;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a structural diagram of embodiment 1 of the present invention;

FIG. 6 is a structural view of embodiment 2 of the present invention;

FIG. 7 is an enlargement of D of FIG. 1;

FIG. 8 is a schematic view of the back side of a circuit board (with the socket positioned laterally);

fig. 9 is a schematic view of the back side of the circuit board (with the receptacle positioned vertically).

FIG. 10 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 11 is an enlarged view of C of FIG. 10 (showing a section B-B taken from the infrared lamp);

fig. 12 is an enlarged view of C in fig. 10 (showing a section B-B without a section from the infrared lamp).

Detailed Description

The embodiment is an infrared touch all-in-one machine with low touch height, as shown in fig. 1, fig. 2, fig. 3, and fig. 5: the all-in-one machine of the embodiment comprises a touch display area 100 and a frame 200 surrounding the touch display area 100, wherein the touch display area 100 comprises a display screen 110, and a protective glass 120 and a rear shell 140 which are arranged in front of and behind the display screen 110; the frame 200 is a structural member for fixing the display screen 110 and the protective glass 120 from the periphery, a space for installing the circuit board 130 of the infrared touch circuit is provided in the middle of the structural member, and infrared rays received or emitted by the infrared tube 131 arranged on the circuit board 130 pass through the protective glass 120; in this embodiment, as shown in fig. 5, the structural members of the frame 200 include a rear outer rib 210, a middle rib 220, and a front outer rib 230, and the rear outer rib 210 and the rear shell 140 are integrally formed; the rear outer ribs 210 and the middle ribs 220 are fastened from the outside of the display screen 110 and the cover glass 120; the middle rib 220 is comb-shaped, and on the circuit board 130 arranged perpendicular to the cover glass 120, the infrared tube 131 receives or emits infrared rays from the gap 221 on the comb-shaped middle rib 220. In fact, the frame 200 is a section of structural member, a circuit board can be disposed inside the structural member, a groove for fixing the display screen 110 and the cover glass 120 is disposed outside the structural member, the two sides of the groove are respectively a rear outer rib 210 and a middle rib 220, and a path for infrared rays received or emitted by the infrared tube 131 is also disposed between the middle rib 220 and the front outer rib 230, in other embodiments, the middle rib 220 and the front outer rib 230 can be actually combined together, as shown in fig. 6, as long as a gap 221 for the path for infrared rays received or emitted by the infrared tube 131 is disposed in the middle, as shown in fig. 7, an appearance effect is shown, and it can be seen that the middle rib 220 and the front outer rib 230 are actually close together, or can be a piece of plate material. The infrared tube 131 here includes an infrared transmitting tube and an infrared receiving tube, and is actually an LED of infrared light.

As the outer ribs 210 and the middle ribs 220 can be close to each other, the lower circuit 130 can be narrow, as shown in fig. 8 and 9, in practice, the circuit board 130 has jumper sockets 232, especially the sockets 132 are wider or even wider than the circuit board, and therefore the sockets 132 are vertically arranged, so that the circuit board 130 can be narrow enough, and the frame can be narrow.

In this embodiment, the structural member is formed by combining several profiles, as shown in fig. 10, 11 and 12: the infrared tube module comprises a first structural member 201 which is pressed forwards from the back of the shell 140, a second structural member 204 which is pressed inwards from the outside of the protective glass 120, a third structural member 202 which strengthens the first structural member 201 and the second structural member 204, the third structural member 202 extends forwards, and a fourth structural member 203, the end part of the fourth structural member 203 extending from the third structural member 202 is inwards, and the fourth structural member 203, the extending part of the third structural member 202 and the second structural member 204 enclose a space for accommodating the circuit board 130 provided with the infrared tube 302. In this embodiment, the first structural member 201, the second structural member 204, the third structural member 202, and the fourth structural member 203 are aluminum alloy sections with four plates matching with each other, and the four sections match with each other to support the display screen from around the display screen, thereby ensuring that the glass plate touch pad does not slide down.

In fact, the third structural element 202 is the main body of the profile of the perimeter frame 200, which is bent upwards at the rear, and the first structural element 201 comprises two sections perpendicular to each other, the vertical part being at the inner side of the upward bent third structural element 202, forming a rear outer rib 210, which is connected to the rear shell 140. The second structural member 204 is a plate member with two detached members, the lowermost plane thereof is connected to the inside of the horizontal portion of the third structural member 202, the first upwardly bent portion thereof is parallel to the fourth structural member 203, and the horizontal portion of the third structural member 202 is provided at the lower ends thereof to form a space for mounting the circuit board 130. When the protective glass 120 is abutted, the protective glass is bent and disassembled horizontally and is connected with the edge of the protective glass 120, when the protective glass 120 is abutted, the middle rib 220 is formed by extending downwards along the glass, the downwards extending part is comb-shaped, the infrared tube 131 calculated from the circuit board 130 is arranged in the gap 221 as shown in figure 11, and the other part is used for blocking the protective glass 120 and preventing the protective glass 120 from falling down as shown in figure 12. The fourth structural member 203 and the third structural member 202 are vertically upward to form a front outer rib 230, which is a space for mounting the circuit board 130 therein.

Claims (3)

1. An infrared touch all-in-one machine with low touch height comprises a touch display area (100) and a frame (200) surrounding the touch display area (100), wherein the touch display area (100) comprises a display screen (110), and protective glass (120) and a rear shell (140) which are arranged in front of and behind the display screen (110); the frame (200) is a structural member for fixing the display screen (110) and the protective glass (120) from the periphery, a space for installing a circuit board (130) of the infrared touch circuit is arranged in the middle of the structural member, and infrared rays received or emitted by an infrared tube (131) arranged on the circuit board (130) pass through the protective glass (120); the method is characterized in that: the structural member of the frame (200) comprises a rear outer rib (210), a middle rib (220) and a front outer rib (230), wherein the rear outer rib (210) and the rear shell (140) are integrally formed; the rear outer ribs (210) and the middle ribs (220) are fastened from the outside of the display screen (110) and the protective glass (120); the middle rib (220) is comb-shaped, and infrared tubes (131) receive or emit infrared rays from gaps (221) on the comb-shaped middle rib (220) on the circuit board (130) which is vertically arranged with the protective glass (120).

2. The infrared touch all-in-one machine with low touch height as set forth in claim 1, wherein: on the circuit board (130), the sockets (132) used are vertically arranged.

3. The infrared touch all-in-one machine with low touch height as set forth in claim 1 or 2, wherein: the structural member comprises a first structural member (201) extruded forwards from the back of the rear shell (140), a second structural member (204) extruded inwards from the outside of the protective glass (120), a third structural member (202) for reinforcing the first structural member (201) and the second structural member (204), wherein the third structural member (202) extends forwards, and a fourth structural member (203), the fourth structural member (203) extends inwards from the tail end of the third structural member (202), and the fourth structural member (203), the extension part of the third structural member (202) and the second structural member (204) enclose a space for accommodating the circuit board (130) provided with the infrared tube (131).

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