CN210119766U

CN210119766U - Infrared touch device

Info

Publication number: CN210119766U
Application number: CN201920784566.6U
Authority: CN
Inventors: 李冬贵
Original assignee: Shenzhen Honghe Innovation Information Technology Co Ltd
Current assignee: Beijing Honghe Aixue Education Technology Co.,Ltd.
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-02-28
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses an infrared touch device, including touch-sensitive screen, backplate and the section bar frame that is used for connecting both, section bar frame includes first frame subassembly, and first frame subassembly includes outer section bar and apron, is provided with the opening on the outer section bar towards infrared touch device's positive mounting groove and the installing port that runs through the lateral wall of mounting groove, and the backplate is located tank bottom one side of mounting groove, and circuit board subassembly sets up in the mounting groove from the installing port, and the apron corresponds the lid and establishes on the installing port. The utility model discloses an infrared touch device is through setting up the installing port on the lateral wall for the installation of backplate and circuit board assembly's installation order are not interfering each other, and it is more convenient to maintain and change circuit board assembly.

Description

Infrared touch device

Technical Field

The utility model relates to a show technical field, especially relate to an infrared touch device.

Background

Nowadays, touch screens are widely used, including infrared touch screens. The infrared touch large screen comprises a frame and a screen clamped on the frame, a receiver for receiving infrared rays and a transmitting lamp for transmitting the infrared rays are arranged on the frame, and a lens element and a microphone element are also arranged on the frame.

In the prior art, the frame includes an outer section bar and an inner section bar which are arranged oppositely, an opening is formed in one side of the outer section bar facing the inner section bar, the circuit board assembly is arranged in the outer section bar from the opening, the inner section bar is arranged on the outer section bar from one side of the opening, and finally the back plate of the infrared touch screen is fixed on the frame.

This mounting would result in: when the circuit board assembly needs to be replaced or maintained, the back plate needs to be detached from the frame firstly, then the inner section bar is detached from the outer section bar, finally the circuit board assembly is detached from the outer section bar, namely, the circuit board assembly can be maintained or replaced, after the maintenance or replacement is finished, the circuit board assembly is installed on the outer section bar, then the inner section bar is installed on the outer section bar, and finally the back plate is installed on the frame, so that the maintenance is extremely inconvenient.

SUMMERY OF THE UTILITY MODEL

Based on above-mentioned current situation, the utility model discloses a main aim at provides an infrared touch equipment to solve the inconvenient problem of maintenance.

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

the utility model provides an infrared touch device, includes touch-sensitive screen, backplate and is used for the section bar frame that couples together between them, the section bar frame includes first frame subassembly, first frame subassembly includes outer section bar and apron, be provided with the opening on the outer section bar towards infrared touch device's positive mounting groove and run through the installing port of the lateral wall of mounting groove, the backplate is located tank bottom one side of mounting groove, circuit board assembly follow the installing port sets up in the mounting groove, the apron corresponds to cover and establishes on the installing port.

Preferably, the circuit board assembly includes a circuit board, and an infrared lamp group unit, a microphone unit, and a lens unit disposed on the circuit board.

Preferably, the mounting groove extends along the length direction of the outer section bar, and comprises an outer side wall and an inner side wall which are arranged oppositely, and a first bottom wall connected with the outer side wall and the inner side wall;

the back plate is detachably mounted on the first bottom wall;

the touch screen is positioned on one side of the inner side wall far away from the outer side wall;

the first bottom wall and the inner side wall are also provided with avoidance structures for avoiding the circuit board assembly arranged in the mounting groove;

the cover plate is fixed on the first bottom wall.

Preferably, the avoiding structure comprises a first avoiding groove arranged on the first bottom wall, the opening direction of the first avoiding groove is consistent with the opening direction of the mounting groove, and one end of the first avoiding groove penetrates through the outer side wall;

and part of the structure of the lens unit is positioned in the first avoidance groove.

Preferably, dodge the structure and still include the groove is dodged to the second that sets up on the inside wall, the both sides wall in groove is dodged to the second is located between the first both sides wall of dodging the groove, it is perpendicular the direction of inside wall, the second dodge the groove one end with the inside wall face parallel and level of inside wall, the second dodge the groove the other end be located on the inside wall, follow the second dodges the groove depth direction in groove, the second dodges the interior bottom surface in groove and is located the first inslot of dodging.

Preferably, the number of the circuit boards is three, and the circuit boards include a first circuit board and a second circuit board which are arranged with end portions opposite to each other, and a third circuit board which is connected with the first circuit board and the second circuit board simultaneously and is opposite to a gap between the first circuit board and the second circuit board;

the lens unit is arranged on the third circuit board;

the third circuit board is located in the second avoidance groove, and the other part of the structure of the lens unit is located in the mounting groove corresponding to the mounting opening.

Preferably, a first clamping groove is formed in the inner side wall, and the opening direction of the first clamping groove is consistent with the opening direction of the mounting groove;

at least part of the circuit board is provided with a positioning structure, and the positioning structure is arranged in the first clamping groove to limit the movement of the circuit board assembly along the length direction of the outer section bar.

Preferably, the outer side wall is provided with a second clamping groove, the inner side wall is provided with a third clamping groove, and openings of the second clamping groove and the third clamping groove are oppositely arranged;

the infrared touch equipment further comprises an infrared lamp assembly, the infrared lamp assembly comprises a substrate and a transmitting lamp or a receiver arranged on one side of the substrate, two side ends of the substrate are respectively inserted into the second clamping groove and the third clamping groove, and the transmitting lamp or the receiver is exposed out of one end, far away from the first bottom wall, of the inner side wall;

at least one side end of the circuit board is inserted into the third card slot;

the cover plate is provided with a plurality of bulges, and the bulges are abutted against one side surface of the other side end of the circuit board.

Preferably, a lens mounting structure is disposed on the third circuit board, and the lens mounting structure corresponds to a gap between the first circuit board and the second circuit board.

Preferably, the front side of the outer side wall of the mounting groove, which is close to the infrared touch device, is provided with an end plate, the end plate extends towards the inner side wall, a through hole is formed in the end plate, and the lens penetrates through the through hole to be mounted on the lens mounting structure.

Preferably, the first bottom wall comprises a fourth clamping groove with an opening facing away from the outer side wall, the fourth clamping groove comprises a first side wall and a second side wall which are arranged oppositely, and a second bottom wall connected with the first side wall and the second side wall, and the first side wall is close to the groove bottom surface of the mounting groove;

the profile frame further comprises a mounting;

the mounting piece comprises a bottom plate, a first side plate and a mounting plate, wherein the first side plate and the mounting plate are arranged oppositely, one end of the bottom plate is connected with one end of the mounting plate, the other end of the bottom plate is connected to the middle of one side face of the first side plate, and the first side plate, the mounting plate and the bottom plate form a fifth clamping groove;

the second side plate is inserted into the fifth clamping groove, and the first side plate is arranged in the fourth clamping groove;

the back plate is detachably fixed on the second side wall through the mounting plate, so that the back plate is detachably mounted on the first bottom wall.

Preferably, the outer section bar includes the second curb plate that the tip that keeps away from the first diapire of inside wall set up, the second curb plate is to keeping away from the direction extension setting of outside wall, the second curb plate, first curb plate and the inside wall forms the sixth draw-in groove, a side of touch-sensitive screen end is installed in the sixth draw-in groove.

Preferably, a first clamping plate is arranged at the end part, far away from the second bottom wall, of the first side wall, and the first clamping plate extends towards one side of the second side wall;

a second clamping plate is arranged at one end of the first side plate and extends to one side departing from the mounting plate;

a convex part deviating from the bottom plate is arranged on the first side plate;

the second catch plate is located between the first catch plate and the second bottom wall, and the first catch plate is located between the second catch plate and the projection.

Preferably, the infrared touch device is a touch all-in-one machine, an electronic interactive blackboard, an electronic interactive whiteboard, a multimedia large screen, a touch panel television, an intelligent interactive panel or an interactive display screen.

The utility model discloses an infrared touch device is through setting up the installing port on the lateral wall for the installation of backplate and circuit board assembly's installation order no longer interfere each other, and it is more convenient to maintain and change circuit board assembly.

Drawings

Preferred embodiments according to the present invention will be described below with reference to the accompanying drawings.

Fig. 1 is an exploded view of an infrared touch device according to a preferred embodiment of the present invention;

fig. 2 is a schematic view of an assembly structure of a profile frame, an infrared lamp assembly and a circuit board assembly according to a preferred embodiment of the present invention;

fig. 3 is a schematic structural view of the mounting opening after the cover plate is removed after the assembly of the profile frame, the circuit board assembly and the infrared lamp assembly according to a preferred embodiment of the present invention;

fig. 4 is a schematic structural view of an outer profile at a mounting opening according to a preferred embodiment of the present invention;

FIG. 5 is a schematic structural view of an outer profile, an infrared lamp assembly and a mounting member at an end after installation in accordance with a preferred embodiment of the present invention;

fig. 6 is a schematic structural view illustrating the assembly of the cover plate and the circuit board assembly according to a preferred embodiment of the present invention.

In the figure:

1. an infrared lamp assembly; 11. a substrate;

2. a profile frame; 21. a first bezel assembly; 210. an outer profile; 22. a cover plate; 221. a protrusion; 211. mounting grooves; 2111. an outer sidewall; 2112. an inner sidewall; 2113. a first bottom wall; 2114. an installation port; 23. a first avoidance slot; 24. a second avoidance slot; 25. a first card slot; 26. a second card slot; 27. a third card slot; 28. an end plate; 281. a through hole; 29. a fourth card slot; 291. a first side wall; 292. a second side wall; 293. a second bottom wall; 20. a mounting member; 201. a first side plate; 202. mounting a plate; 203. a base plate; 204. a fifth card slot; 205. a second side plate; 206. a sixth card slot; 207. a first clamping plate; 208. a second clamping plate; 209. a convex portion;

3. a circuit board assembly; 31. a circuit board; 311. a first circuit board; 312. a second circuit board; 313. a third circuit board; 32. an infrared lamp group unit; 33. a microphone unit; 34. a lens unit; 35. a positioning structure; 351. a first positioning plate; 352. a second positioning plate; 353. a microphone mounting plate;

4. a back plate.

Detailed Description

There is the inconvenient problem of maintenance to prior art's infrared touch equipment, the utility model provides an infrared touch equipment, infrared touch equipment can be for example touch all-in-one, the mutual blackboard of electron, the mutual blank of electron, the big screen of multi-media, touch-control flat screen television, the mutual dull and stereotyped or interactive display screen of intelligence.

Infrared touch device includes touch-sensitive screen, infrared banks spare 1 and backplate 4, as shown in fig. 1, infrared banks spare 1 indicates the whole that a plurality of receivers that are used for receiving infrared ray make up, perhaps is used for the whole that a plurality of emission lamps of emission infrared ray make up, emission lamp or receiver are located the positive one side that is close to infrared touch device of touch-sensitive screen, backplate 4 indicates the casing that sets up at infrared touch device's back for protect infrared touch device's internal component.

The infrared touch device further comprises a profile frame 2 and a circuit board assembly 3, as shown in fig. 2, 3 and 6, the profile frame 2 comprises a first edge frame assembly 21, the first edge frame assembly 21 comprises an outer profile 210 and a cover plate 22, wherein the profile frame 2 further comprises a plurality of segments of sub-frames, for example, the profile frame 2 comprises three segments of sub-frames and the first edge frame assembly 21.

As shown in fig. 4 and 5, the outer profile 210 is provided with a mounting groove 211 with an opening facing the front of the infrared touch device and a mounting opening 2114 penetrating through an outer side wall of the mounting groove 211, the back plate 4 is located at one side of a groove bottom of the mounting groove 211, the circuit board assembly 3 is arranged in the mounting groove 211 from the mounting opening 2114, and the cover plate 22 is correspondingly covered on the mounting opening 2114.

As shown in fig. 6, the circuit board assembly 3 includes a circuit board 31, and an infrared lamp set unit 32, a microphone unit 33, and a lens unit 34 that are disposed on the circuit board 31, where the infrared lamp set unit 32 is a transmitting lamp for transmitting infrared rays or a receiver for receiving infrared rays, and it is worth to be noted that the same side of the touch screen can only be all transmitting lamps or all receivers, for example, on the side of the touch screen where the first frame assembly 21 is located, the infrared lamp set unit 32 is a transmitting lamp, the infrared lamp assembly 1 is a transmitting lamp, the infrared lamp set unit 32 is a receiver, the infrared lamp assembly 1 is a receiver, the microphone unit 33 is used for playing audio information, and the lens unit 34 is used for taking pictures or videos.

As shown in fig. 5, the mounting groove 211 extends along a length direction of the outer profile 210, the mounting groove 211 includes an outer side wall 2111 and an inner side wall 2112 that are disposed opposite to each other, and a first bottom wall 2113 connected to the outer side wall 2111 and the inner side wall 2112, and an opening direction of the mounting groove 211 faces a front surface of the infrared touch device.

The touch screen is positioned on one side of the inner side wall 2112 far away from the outer side wall 2111, and the touch screen is fixed through a profile frame 2.

The back plate 4 is detachably mounted on the first bottom wall 2113, and the back plate 4 is mounted on or detached from one side of the touch screen.

The first bezel assembly 21 may be disposed on an upper side of the infrared touch device, and a mounting opening 2114 is disposed on the first bezel assembly 21, as shown in fig. 4, the mounting opening 2114 extends along a length direction of the touch screen, and one infrared lamp assembly 1 is inserted into each of the mounting grooves 211 located at two sides of the mounting opening 2114, that is, the mounting groove 211 is divided into three parts by the mounting opening 2114, two parts located at two sides of the mounting opening 2114 and a part opposite to the mounting opening 2114, on the first bezel assembly 21, two parts located at two sides of the mounting opening 2114 are respectively mounted with one infrared lamp assembly 1, and opposite ends of two infrared lamp assemblies 1 mounted in the two mounting grooves 211 are disposed in the mounting groove 211 opposite to the mounting opening 2114.

First diapire 2113 with still be provided with on the inside wall 2112 and dodge the structure, be used for packing into mounting groove 211 circuit board components 3 dodge, circuit board components 3 follow installing port 2114 is arranged in installing port 2114 corresponds the mounting groove 211 with among the dodge structure, infrared banks unit 33 on the circuit board components 3 with be located the both sides of installing port 2114 infrared banks 1 makes up the back, realizes receiver or transmission lamp edge first frame subassembly 21's length direction is paved first frame subassembly 21.

Circuit board assembly 3 is from keeping away from install one side of touch-sensitive screen on section bar frame 2, perhaps follow section bar frame 2 to keeping away from remove one side of touch-sensitive screen, circuit board assembly 3 the direction of installation with remove the direction with backplate 4 remove the direction or the direction of installation becomes the contained angle, just circuit board assembly 3 with backplate 4 installation with remove between no longer relevant, when needing maintenance or change circuit board assembly 3, no longer need follow backplate 4 is demolishd on the frame 4, more convenient maintenance and change circuit board assembly 3.

The cover plate 22 is used for covering the mounting opening 2114, the cover plate 22 is fixed on the first bottom wall 2113 in a detachable connection manner such as threaded connection, and the cover plate 22 is arranged to protect the circuit board assembly 3, so that the profile frame 2 is more complete in appearance.

Dodge the space and include the first groove 23 of dodging that sets up on the first diapire 2113, as shown in fig. 4, the first opening direction of dodging the groove 23 with the opening direction of mounting groove 211 is unanimous, the first both sides wall of dodging the groove 23 is followed the length direction of outer section bar 21 sets up, and is perpendicular in the direction of inside wall 2112, the first one end of dodging the groove 23 is run through lateral wall 2111.

Dodge the structure still include the groove 24 is dodged to the second that sets up on the inside wall 2112, as shown in fig. 4, the second dodge the groove 24 with the first mode of setting of dodging groove 23 is unanimous, the second dodges the both sides wall of groove 24 and is located between the first both sides wall of dodging groove 23, perpendicular inside wall 2112's direction, the second dodge the one end of groove 24 with inside wall 2112's inside wall face parallel and level, the second dodge the other end of groove 24 and is located on the inside wall 2112, promptly, the second dodges the other end of groove 24 and does not run through inside wall 2112 follows the groove depth direction in groove 24 is dodged to the second, the interior bottom surface that the groove 24 was dodged to the second is located in the first groove 23 of dodging.

The number of the circuit boards 31 is three, as shown in fig. 6, and the circuit boards include a first circuit board 311, a second circuit board 312, and a third circuit board 313, which is connected to the first circuit board 311 and the second circuit board 312 at the same time and faces the gap between the first circuit board 311 and the second circuit board 312.

As shown in fig. 6, the plurality of infrared lamp group units 32 are symmetrically disposed on the first circuit board 311 and the second circuit board 312, and it is worth to explain whether other structures on the first circuit board 311 and the second circuit board 312 are symmetrical or not is not limited specifically.

The lens unit 34 is disposed on the third circuit board 313, as shown in fig. 6.

The first circuit board 311, the second circuit board 312 and the plurality of infrared lamp group units 32 are located in the mounting groove 211 corresponding to the mounting opening 2114.

A part of the structure of the lens unit 34 is located in the first avoiding groove 23, the third circuit board 313 is located in the second avoiding groove 24, and another part of the structure of the lens unit 34 is located in the mounting groove 211 corresponding to the mounting opening 2114.

A first clamping groove 25 is formed in the inner side wall 2112, as shown in fig. 3 and 4, an opening direction of the first clamping groove 25 is the same as that of the mounting groove 211, two side walls of the first clamping groove 25 are arranged along the length direction of the outer section bar 21, one end of the first clamping groove 25 is flush with an inner side wall surface of the inner side wall 2112 in a direction perpendicular to the inner side wall 2112, and the other end of the first clamping groove 25 is located on the inner side wall 2112, that is, the first clamping groove 25 does not penetrate through the inner side wall 2112.

At least part of the circuit board 31 is provided with a positioning structure 35, as shown in fig. 6, the positioning structure 35 is disposed in the first slot 25 to limit the movement of the circuit board assembly 3 along the length direction of the outer profile 21, specifically, the circuit board 31 is provided with a positioning slot, and at least part of the positioning structure 35 is disposed inside the positioning slot.

The positioning structure 35 includes a first positioning plate 351, a second positioning plate 352 and a microphone mounting plate 353 connected to the first positioning plate 351 and the second positioning plate 352, which are oppositely arranged, as shown in fig. 6, one side of the circuit board 31 abuts against the microphone mounting plate 353, the circuit board 31 is located between the first positioning plate 351 and the second positioning plate 352, and the microphone unit 33 is mounted on the microphone mounting plate 353. Preferably, the positioning structures 35 are respectively disposed on the first circuit board 311 and the second circuit board 312, and the first positioning plate 351 is disposed in the first card slot 25.

The outer side wall 2111 is provided with a second locking groove 26, as shown in fig. 5, the inner side wall 2112 is provided with a third locking groove 27, as shown in fig. 5, and openings of the second locking groove 26 and the third locking groove 27 are oppositely arranged.

Each infrared lamp assembly 1 includes a substrate 11 and a transmitting lamp or a receiver disposed on one side of the substrate 11, as shown in fig. 5, two side ends of the substrate 11 are respectively inserted into the second slot 26 and the third slot 27, in the depth direction of the mounting groove 211, the length of the inner side wall 2112 is smaller than the length of the outer side wall 2111, and the transmitting lamp or the receiver exposes one end of the inner side wall 2112 far away from the first bottom wall 2113.

At least a part of one end of the circuit board 31 is inserted into the third slot 27, and as shown in fig. 3, one end sides of the first circuit board 311 and the second circuit board 312 are disposed inside the third slot 27.

The cover plate 22 is provided with a plurality of protrusions 221, as shown in fig. 6, the plurality of protrusions 221 abut against one side surface of the other side end of the circuit board 31.

The movement of the circuit board assembly 3 in the direction perpendicular to the first circuit board 311 is restricted by the third card slot 27 and the protrusion 221.

A lens mounting structure is disposed on the third circuit board 313, and the lens mounting structure corresponds to a gap between the first circuit board 311 and the second circuit board 312.

The front side of the outer side wall of the mounting groove 211, which is close to the infrared touch device, is provided with an end plate 28, as shown in fig. 5, the end plate 28 extends the inner side wall 2112, the end plate 28 and the inner side wall 2112 are far away from a certain gap exists between the end parts of the first bottom wall 2113, the emission lamp and the receiver of the infrared lamp assembly 1 are located near the end plate 28 on one side of the inner side wall 2112, a through hole 281 is arranged on the end plate 28, and the lens passes through the through hole 281 and is mounted on the lens mounting structure, so that the end plate 28 can be prevented from blocking the lens receiving signal.

The first bottom wall 2113 includes a fourth card slot 29 with an opening deviating from the outer side wall 2111, as shown in fig. 5, the fourth card slot 29 includes a first side wall 291 and a second side wall 292 which are oppositely disposed and a second bottom wall 293 connected to the first side wall 291 and the second side wall 292, wherein the first side wall 291 is close to the slot bottom surface of the mounting slot 211, and obviously, the first side wall 291, the second side wall 292 and the second bottom wall 293 constitute a part of the first bottom wall 2113 at the same time, and it is worth explaining that the other end of the first avoiding slot 23 is connected to and communicated with the fourth card slot 29.

The section frame 2 further comprises a mounting part 20, as shown in fig. 5, the mounting part 20 comprises a bottom plate 203, and a first side plate 201 and a mounting plate 202 which are arranged oppositely, one end of the bottom plate 203 is connected with one end of the mounting plate 202, the other end of the bottom plate 203 is connected to the middle of one side surface of the first side plate 201, and the first side plate 201, the mounting plate 202 and the bottom plate 203 form a fifth clamping groove 204.

The second side wall 292 is inserted into the fifth slot 204, and the first side plate 201 is disposed in the fourth slot 29.

The back plate 4 is detachably fixed to the second side wall 292 through the mounting plate 202, so that the back plate 4 is detachably mounted on the first bottom wall 2113.

The outer section bar 21 includes a second side plate 205 disposed at an end portion of the inner side wall 2112 far from the first bottom wall 2113, as shown in fig. 5, the second side plate 205 extends in a direction far from the outer side wall 2111, the second side plate 205, the first side plate 201, and the inner side wall 2112 form a sixth slot 206, and a side end of the touch screen is mounted in the sixth slot 206.

The end of the first side wall 291 away from the second bottom wall 292 is provided with a first catch plate 207, and as shown in fig. 5, the first catch plate 207 extends toward the second side wall 292.

A second catch plate 208 is provided at one end of the first side plate 201, and as shown in fig. 5, the second catch plate 208 extends to a side away from the mounting plate 202.

A position of the first side plate 201 opposite to the bottom plate 203 is provided with a convex portion 209 departing from the bottom plate 203, as shown in fig. 5.

The second catch plate 208 is located between the first catch plate 207 and the second bottom wall 293, the first catch plate 207 is located between the second catch plate 208 and the tab 209.

By the aid of the mode, pre-positioning can be achieved between the mounting piece 20 and the outer section bar 21, and then the mounting plate 202 of the mounting piece 20 and the second side wall 292 of the outer section bar 21 are reliably fixed by the aid of a fixed threaded connection mode, so that the backboard is reliably fixed, and meanwhile the touch screen is reliably fixed.

It will be appreciated by those skilled in the art that the above-described preferred embodiments may be freely combined, superimposed, without conflict.

It will be understood that the above-described embodiments are illustrative only and not restrictive, and that various obvious and equivalent modifications and substitutions may be made in the details described herein by those skilled in the art without departing from the basic principles of the invention.

Claims

1. The utility model provides an infrared touch device, includes touch-sensitive screen, backplate and is used for the section bar frame that couples together between them, a serial communication port, the section bar frame includes first frame subassembly, first frame subassembly includes outer section bar and apron, be provided with the opening on the outer section bar towards infrared touch device's positive mounting groove and run through the installing port of the lateral wall of mounting groove, the backplate is located tank bottom one side of mounting groove, circuit board subassembly is followed the installing port sets up in the mounting groove, the apron corresponds the lid and establishes on the installing port.

2. The infrared touch device of claim 1, wherein the circuit board assembly comprises a circuit board and an infrared lamp group unit, a microphone unit, and a lens unit disposed on the circuit board.

3. The infrared touch device as claimed in claim 2, wherein the mounting groove extends along a length direction of the outer profile, and the mounting groove comprises an outer side wall and an inner side wall which are oppositely arranged, and a first bottom wall connected with the outer side wall and the inner side wall;

the back plate is detachably mounted on the first bottom wall;

the cover plate is fixed on the first bottom wall.

4. The infrared touch device according to claim 3, wherein the avoiding structure includes a first avoiding groove provided on the first bottom wall, an opening direction of the first avoiding groove is the same as an opening direction of the mounting groove, and one end of the first avoiding groove penetrates through the outer side wall;

5. The infrared touch device according to claim 4, wherein the avoiding structure further comprises a second avoiding groove formed in the inner side wall, two side walls of the second avoiding groove are located between two side walls of the first avoiding groove and are perpendicular to the inner side wall, one end of the second avoiding groove is flush with the inner side wall surface of the inner side wall, the other end of the second avoiding groove is located on the inner side wall and is along the groove depth direction of the second avoiding groove, and the inner bottom surface of the second avoiding groove is located in the first avoiding groove.

6. The infrared touch device according to claim 5, wherein the number of the circuit boards is three, and the three circuit boards include a first circuit board, a second circuit board, and a third circuit board that are connected to the first circuit board and the second circuit board at the same time and are opposed to the gap between the first circuit board and the second circuit board;

the lens unit is arranged on the third circuit board;

7. The infrared touch device as recited in claim 3, wherein a first card slot is disposed on the inner side wall, and an opening direction of the first card slot is consistent with an opening direction of the mounting groove;

8. The infrared touch device as recited in claim 3, wherein the outer sidewall is provided with a second slot, the inner sidewall is provided with a third slot, and openings of the second slot and the third slot are opposite;

9. The infrared touch device of claim 6, wherein the third circuit board has a lens mounting structure disposed thereon, the lens mounting structure corresponding to a position of a gap between the first circuit board and the second circuit board.

10. The infrared touch device as claimed in claim 9, wherein an end plate is disposed on a side of the outer side wall of the mounting groove, which is close to the front side of the infrared touch device, and extends toward the inner side wall, and a through hole is disposed on the end plate, through which a lens passes and is mounted on the lens mounting structure.

11. The infrared touch device as recited in claim 3, wherein the first bottom wall comprises a fourth card slot that opens away from the outer sidewall, the fourth card slot comprising first and second oppositely disposed sidewalls and a second bottom wall that connects the first and second sidewalls, wherein the first sidewall is proximate to a slot bottom surface of the mounting slot;

the profile frame further comprises a mounting;

12. The infrared touch device as recited in claim 11, wherein the outer profile comprises a second side plate disposed at an end of the inner side wall that is distal from the first bottom wall, the second side plate extending in a direction distal from the outer side wall, the second side plate, the first side plate, and the inner side wall forming a sixth slot, and a side end of the touch screen being mounted in the sixth slot.

13. The infrared touch device as recited in claim 11, wherein a first card board is disposed at an end of the first side wall away from the second bottom wall, the first card board extending toward a side of the second side wall;

14. The infrared touch device according to any one of claims 1 to 13, wherein the infrared touch device is an all-in-one touch machine, an electronic interactive blackboard, an electronic interactive whiteboard, a multimedia large screen, a touch panel television, an intelligent interactive panel, or an interactive display screen.