CN208044573U - A kind of infrared touch panel and infrared touch device - Google Patents
A kind of infrared touch panel and infrared touch device Download PDFInfo
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- CN208044573U CN208044573U CN201820424630.5U CN201820424630U CN208044573U CN 208044573 U CN208044573 U CN 208044573U CN 201820424630 U CN201820424630 U CN 201820424630U CN 208044573 U CN208044573 U CN 208044573U
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- frame
- inside casing
- infrared touch
- touch panel
- outline border
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Abstract
The utility model discloses a kind of infrared touch panel and infrared touch devices, wherein the infrared touch panel includes frame, optical filtering item, glass, display screen and the circuit board equipped with multiple infrared lamps；Frame is internally provided with installation cavity, and the madial wall at the top of it of frame is equipped with the installation passage being connected to installation cavity, and the madial wall of frame surrounds a mounting groove, and the top of frame has the compression edge of the top of a side for being located at mounting groove；Circuit board is set to along the short transverse of frame in installation cavity, and multiple infrared lamps are set in installation passage；Display screen is set to the bottom in mounting groove, and glass is set to the top in mounting groove and positioned at display screen；Optical filtering item is set between the top of the side of the bottom and glass that compress edge, and positioned at the outside of the outlet of installation passage.The utility model enables to thinner and single frame the width of the frame of infrared touch panel narrower.
Description
Technical field
The utility model is related to infrared touch technical fields, are set more particularly, to a kind of infrared touch panel and infrared touch
It is standby.
Background technology
Currently, infrared touch panel uses infrared touch technology, on the opposite both sides for the frame that it is square shape frame structure
Infrared discharge lamps and infrared receiver lamp are inside respectively set, in often opposite both sides, the infrared discharge lamps transmitting on wherein one side is red
Outside line, the infrared receiver lamp receiving infrared-ray of another side are intensive to be formed on the surface of the touched panel glass of infrared touch panel
Light net.When finger or felt pen etc. touch the touched panel glass, can shut out the light, to realize touch function.
The structure of existing infrared touch panel is generally as shown in Figure 1 comprising touches frame 30, the electricity equipped with infrared lamp 31
Road plate 32, optical filtering item 33 and glass 34；Wherein, the top for touching frame 30 extends out to the central horizontal for touching frame 30,
And it is internally provided with accommodating chamber 35 on the top of touching box 30, the madial wall at the top of it for touching frame 30 offers
The port 36 being connected to accommodating chamber 35, the circuit board 32 cross in the accommodating chamber 35, and the infrared lamp 31 is set to described
In accommodating chamber 35 and it is directed at the port 36, the optical filtering item is arranged in port 6；The inside on the top for touching frame 30
Wall is equipped with a card slot 37, and the side of the glass 34 is arranged in the card slot 37.
Existing this infrared touch panel, the thickness in the top of glass 34 due to touching frame 30, which is equal to, touches frame
The thickness on 30 top (is equal to the top of the 36 height+touch frame 30 of top wall thickness+port on the top for touching frame 30
Bottom end wall thickness), therefore can to touch the thicker in the part of the top of glass 34 of frame 30, so that infrared touch panel
It is thicker to touch frame 30.In addition, touch frame 30 above glass 34 partially due in order to accommodate the circuit being arranged sidewards
Plate 32 and need horizontal extension to come out, such that touch frame 30 the part above glass 34 width it is larger, from
And the single frame of the touch frame 30 of infrared touch panel can be made wider.
Utility model content
In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of infrared touch panel and infrared touch device,
Enable to thinner and single frame the width of the frame of infrared touch panel narrower.
To achieve the goals above, one embodiment of the utility model provides a kind of infrared touch panel comprising frame, filter
Striation, glass, display screen and the circuit board equipped with multiple infrared lamps；
The frame is internally provided with installation cavity, and the madial wall at the top of it of the frame is equipped with and the installation cavity
The madial wall of the installation passage of connection, the frame surrounds a mounting groove, and the top of the frame has one to be located at the installation
The compression edge of the top of the side of slot；
The circuit board is set to along the short transverse of the frame in the installation cavity, and the multiple infrared lamp is set to institute
It states in installation passage；The display screen is set to the bottom in the mounting groove, and the glass is set in the mounting groove and is located at
The top of the display screen；The optical filtering item is set between the bottom for compressing edge and the top of the side of the glass,
And positioned at the outside of the outlet of the installation passage.
The infrared touch panel that the utility model embodiment provides, by being internally provided with the installation in the frame
Chamber, and the circuit board is set to along the short transverse of the frame in the installation cavity, and the infrared lamp is set to institute
It states in installation passage, compared with the prior art, the width of the single frame of the frame can be greatly reduced in this way；And by by institute
Between the top and the bottom for compressing edge of stating the side that optical filtering item is directly arranged at the glass, the frame described in this way
Thickness in the part of the top of the glass is substantially equal to the thickness of the optical filtering item plus the thickness for compressing edge, phase
Than in the prior art, the thickness of the part above the glass of the frame can be greatly reduced in this way, so as to so that
The integral thickness for obtaining the frame also reduces.
As the improvement of said program, the frame include for inverted l-shaped structure outline border and be L-shaped structure inside casing；
The side of the outline border is opposite with the side of the inside casing, the bottom of the lower part of the side of the outline border and the inside casing
The end on side connects；The top margin of the outline border includes the top margin portion being connect with the side of outline border and the institute that is connect with the top margin portion
Compression edge is stated, the bottom in the top margin portion and the head clearance of the side of the inside casing are arranged and form the installation passage；
The side of the inside casing surrounds the mounting groove；The side of the outline border and top margin portion and the side of the inside casing and bottom edge
Surround the installation cavity.
As the improvement of said program, the circuit board is connect by screw with the side of the inside casing.
As the improvement of said program, end that the lower part of the side of the outline border passes through screw and the bottom edge of the inside casing
Connection.
As the improvement of said program, the top of the side of the inside casing extends one to the direction at the center of the inside casing
The side of carrier block, the glass is set between the top and the bottom of the optical filtering item of the carrier block, and the display screen is set
In the lower section of the carrier block.
As the improvement of said program, the bottom of the side of the glass is set to the top of the carrier block by two-sided gluing
Portion.
As the improvement of said program, the outline border and the inside casing are square shape structure, the outline border with it is described interior
Frame is metal frame, and four corners of the outline border and four corners of the inside casing are bent to form.
As the improvement of said program, the side of the inside casing tilts 0 degree~5 degree to the direction at the center of the inside casing.
As the improvement of said program, the optical filtering item is set to the bottom for compressing edge by two-sided gluing.
Another embodiment of the utility model provides a kind of infrared touch device comprising any one of them as above is infrared
Touch screen.
The infrared touch device that the utility model embodiment provides, due to applying above-mentioned infrared touch panel,
Thinner and single frame the width of the frame of the infrared touch device can be made narrower.
Description of the drawings
It, below will be to attached needed in embodiment in order to illustrate more clearly of the technical solution of the utility model
Figure is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of partial structural diagram of infrared touch panel of the prior art；
Fig. 2 is a kind of partial structural diagram for infrared touch panel that the utility model embodiment provides.
Reference sign：
1. optical filtering item；2. frame；20. outline border；200. side；201. top margin；2010. top margin portion；2011. compressing edge；
21. inside casing；210. side；211. bottom edge；3. glass；4. display screen；5. infrared lamp；6. circuit board；7. installation cavity；8. installation is logical
Road；9. mounting groove；10,11. screw；12. carrier block；13. double faced adhesive tape.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the utility model embodiment, it is to be understood that term "upper", "lower", "top", "bottom", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this reality
With new embodiment, does not indicate or imply the indicated device or component must have a particular orientation, with specific orientation
Construction and operation, therefore should not be understood as the limitation to the utility model embodiment.
Refer to Fig. 2, one embodiment of the utility model provides a kind of infrared touch panel comprising frame 2, optical filtering item 1,
Glass 3, display screen 4 and the circuit board 6 equipped with multiple infrared lamps 5.Wherein, the frame 2 is internally provided with installation cavity 7, described
The madial wall at the top of it of frame 2 is equipped with the installation passage 8 being connected to the installation cavity 7, and the madial wall of the frame 2 encloses
At a mounting groove 9, the top of the frame 2 has the compression edge 2011 of the top of a side for being located at the mounting groove 9.Institute
Circuit board 6 is stated to be set in the installation cavity 7 along the short transverse of the frame 2, it in this way can be to avoid the circuit board 6 sidewards
The width for the single frame for increasing the frame 2 in the installation cavity 7 is set, and the multiple infrared lamp 5 is set to the peace
It fills in channel 8, the thickness of the madial wall of the frame 2 can be efficiently used in this way to install the infrared lamp 5, be conducive to reduce
The width of the single frame of the frame 2.The display screen 4 is set to the bottom in the mounting groove 9, and the glass 3 is set to described
Top in mounting groove 9 and positioned at the display screen 4.The optical filtering item 1 be set to it is described compress edge 2011 bottom with it is described
Between the top of the side of glass 3, and positioned at the outside of the outlet of the installation passage 8, in this way the frame 2 in the glass
The thickness of the part of the top of glass 3 is substantially equal to the thickness of the optical filtering item 1 plus the thickness for compressing edge 2011, favorably
Thickness in the part above the glass 3 for reducing the frame 2.
It should be noted that the frame 2 is the frame structure being made of a plurality of frame, in the present embodiment, preferably square
Shape frame structure.In addition, the display screen 4 is preferably liquid crystal display 4, the infrared lamp 5 is preferably LED infrared lamps 5.It can be with
Understand, two often opposite single frames of the frame 2, wherein the infrared lamp 5 in a single frame is infrared discharge lamps, it is another
Infrared lamp 5 in single frame is infrared receiver lamp.
In the present embodiment, specifically, Fig. 2 is referred to, the frame 2 includes the outline border 20 for inverted l-shaped structure and is L-shaped
The inside casing 21 of structure；The side 200 of the outline border 20 is opposite with the side 210 of the inside casing 21, the side 200 of the outline border 20
Lower part connect with the end on the bottom edge 211 of the inside casing 21；The top margin 201 of the outline border 20 includes connecting with the side of outline border 20
The top margin portion 2010 connect and the compression edge 2011 being connect with the top margin portion 2010, the bottom in the top margin portion 2010 with
The head clearance of the side 210 of the inside casing 21 is arranged and forms the installation passage 8；The side 210 of the inside casing 21 surrounds
The mounting groove 9；The side 200 of the outline border 20 and top margin portion 2010 and the side 210 of the inside casing 21 and bottom edge 211 4
Surround the installation cavity 7.
In order to enable the circuit board 6 can be stably mounted in the installation cavity 7, to avoid the occurrence of due to circuit
Signal jitter caused by the shaking of plate 6 refers to Fig. 2, the side that the circuit board 6 passes through screw 10 and the inside casing 21
210 connections.Certainly, the circuit board 6 can also be connect by the modes such as being clamped or being bonded with the side 210 of the inside casing 21.
In order to enable the inside casing 21 and the connection of the outline border 20 are more firm, so that the structure of the frame 2 is more
Stablize, refer to Fig. 2, the lower part of the side 200 of the outline border 20 passes through more screws 11 and the bottom edge 211 of the inside casing 21
End connects.Certainly, the outline border 20 and the inside casing 21 can also be connect by the modes such as welding or being clamped.
In the above-described embodiments, Fig. 2 is referred to, the side of the top of the side of the inside casing 21 to the center of the inside casing 21
To extending a carrier block 12, the side of the glass 3 be set to the top of the carrier block 12 and the optical filtering item 1 bottom it
Between, the glass 3 can be enable effectively to be limited and fixed by the carrier block 12 and the optical filtering item 1 in this way；In addition,
The display screen 4 is set to the lower section of the carrier block 12, and the carrier block 12 described in this way is by 4 liang of the glass 3 and the display screen
Person is spaced apart, and when glass 3 is under pressure can effectively be carried by the carrier block 12, and the glass 3 is avoided to be pressed
Damage the display screen 4 when power by pressure.
In the above-described embodiments, illustratively, Fig. 2 is referred to, the bottom of the side of the glass 3 is viscous by double faced adhesive tape 13
Set on the top of the carrier block 12, the glass 3 can be enable to be firmly fixed to the top of the carrier block 12 in this way
In portion, and facilitate the dismounting of the glass 3.
In the above embodiment, it is preferable that the outline border 20 and the inside casing 21 are square shape structure.In addition, described
Outline border 20 and the inside casing 21 are made (being, for example, aluminium or stainless steel etc.) of metal material, four corners of the outline border 20 with
Four corners of the inside casing 21 are bent to form, in this way the outline border 20 and the inside casing 21 respective four edges just
Without connecting respective two adjacent single frames by corner fixing piece, so that outline border 20 and the structure of inside casing 21 are simpler
List simultaneously reduces production cost.
In the above-described embodiments, more specifically, the side of the inside casing 21 tilts 0 to the direction at the center of the inside casing 21
~5 degree of degree, in this way when the glass 3 is installed in the mounting groove 9, the glass 3 can be by the side 210 of the inside casing 21
Apply pressure to the direction at the center of inside casing 21, so that the glass 3 is slightly distorted and makes the middle part of the glass 3
Split-phase is slightly recessed for side, can thus raise up to avoid the glass 3, so as to avoid infrared lamp 5 from sending out
3 partial occlusion of glass that is raised up of infrared ray.
In the above-described embodiments, the optical filtering item 1 is glued by double faced adhesive tape (not shown) set on the compression edge 2011
Bottom can make the installation of the optical filtering item 1 and dismounting simpler, and the optical filtering item 1 can be enable to consolidate in this way
Ground is fixed on the bottom for compressing edge 2011.
In conclusion in the utility model embodiment, by being internally provided with the installation cavity 7 in the frame 2, and
The circuit board 6 is set to along the short transverse of the frame 2 in the installation cavity 7, and by the infrared lamp 5 set on described
In installation passage 8, compared with the prior art, the width of the single frame of the frame 2 can be greatly reduced in this way；And by by institute
It is described in this way between the top and the bottom for compressing edge 2011 of stating the side that optical filtering item 1 is directly arranged at the glass 3
The thickness that the thickness of the part in the top of the glass 3 of frame 2 is equal to the optical filtering item 1 adds the compression edge 2011
Thickness can greatly reduce the thickness of the part above the glass 3 of the frame 2 so compared with the prior art,
So that the integral thickness of the frame 2 also reduces.Further, since the optical filtering item 1 is directly arranged at the glass 3
Side top and it is described compress edge 2011 bottom between, and positioned at the installation passage 8 outlet outside (i.e. institute
The outlet that optical filtering item 1 is directed at the installation passage 8 is stated, and the thickness of the optical filtering item 1 substantially corresponds to the installation passage 8
Highly), the infrared lamp 5 being located in this way in the installation passage 8, the distance between top of the glass 3 can be smaller, from
And so that the touch height of the infrared touch panel becomes smaller, this makes it possible to the company phenomenons for effectively avoiding infrared touch panel.
Another embodiment of the utility model provides a kind of infrared touch device comprising any one of them as above is infrared
Touch screen.
The infrared touch device that the utility model embodiment provides, due to applying above-mentioned infrared touch panel,
Thinner and single frame the width of the frame 2 of the infrared touch device can be made narrower.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any those skilled in the art is in technical scope disclosed by the utility model, the change that can readily occur in
Change or replace, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with described
Subject to scope of the claims.
Claims (10)
1. a kind of infrared touch panel, which is characterized in that including frame, optical filtering item, glass, display screen and equipped with multiple infrared lamps
Circuit board；
The frame is internally provided with installation cavity, and the madial wall at the top of it of the frame is equipped with to be connected to the installation cavity
Installation passage, the madial wall of the frame surrounds a mounting groove, and the top of the frame has one to be located at the mounting groove
The compression edge of the top of side；
The circuit board is set to along the short transverse of the frame in the installation cavity, and the multiple infrared lamp is set to the peace
It fills in channel；The display screen is set to the bottom in the mounting groove, and the glass is set in the mounting groove and positioned at described
The top of display screen；The optical filtering item is set between the bottom for compressing edge and the top of the side of the glass, and position
Outside in the outlet of the installation passage.
2. infrared touch panel according to claim 1, which is characterized in that the frame includes the outline border for inverted l-shaped structure
With the inside casing for L-shaped structure；
The side of the outline border is opposite with the side of the inside casing, the lower part of the side of the outline border and the bottom edge of the inside casing
End connects；The top margin of the outline border includes the top margin portion being connect with the side of outline border and the pressure that is connect with the top margin portion
Pilled-in selvedge portion, the bottom in the top margin portion and the head clearance of the side of the inside casing are arranged and form the installation passage；It is described
The side of inside casing surrounds the mounting groove；The side of the outline border is surrounded with top margin portion and the side of the inside casing with bottom edge
The installation cavity.
3. infrared touch panel according to claim 2, which is characterized in that the circuit board passes through screw and the inside casing
Side connects.
4. infrared touch panel according to claim 2, which is characterized in that the lower part of the side of the outline border by screw with
The end on the bottom edge of the inside casing connects.
5. infrared touch panel according to claim 2, which is characterized in that the top of the side of the inside casing is to the inside casing
The direction at center extend a carrier block, the side of the glass is set to the bottom at the top and the optical filtering item of the carrier block
Between portion, the display screen is set to the lower section of the carrier block.
6. infrared touch panel according to claim 5, which is characterized in that the bottom of the side of the glass passes through double faced adhesive tape
The viscous top for being set to the carrier block.
7. infrared touch panel according to claim 2, which is characterized in that the outline border and the inside casing are square shape knot
Structure, the outline border and the inside casing are metal frame, and four corners of the outline border and four corners of the inside casing are curved
Folding is formed.
8. infrared touch panel according to claim 2, which is characterized in that the side of the inside casing is to the center of the inside casing
Direction tilt 0 degree~5 degree.
9. according to claim 1 to 8 any one of them infrared touch panel, which is characterized in that the optical filtering item passes through double faced adhesive tape
It is viscous to be set to the bottom for compressing edge.
10. a kind of infrared touch device, which is characterized in that including infrared touch panel as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820424630.5U CN208044573U (en) | 2018-03-27 | 2018-03-27 | A kind of infrared touch panel and infrared touch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820424630.5U CN208044573U (en) | 2018-03-27 | 2018-03-27 | A kind of infrared touch panel and infrared touch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208044573U true CN208044573U (en) | 2018-11-02 |
Family
ID=63946056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820424630.5U Active CN208044573U (en) | 2018-03-27 | 2018-03-27 | A kind of infrared touch panel and infrared touch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208044573U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109885212A (en) * | 2019-02-19 | 2019-06-14 | 广州视源电子科技股份有限公司 | Touch frame and touch display screen |
| WO2021018043A1 (en) * | 2019-07-26 | 2021-02-04 | 深圳市鸿合创新信息技术有限责任公司 | Infrared touch display screen |
-
2018
- 2018-03-27 CN CN201820424630.5U patent/CN208044573U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109885212A (en) * | 2019-02-19 | 2019-06-14 | 广州视源电子科技股份有限公司 | Touch frame and touch display screen |
| WO2021018043A1 (en) * | 2019-07-26 | 2021-02-04 | 深圳市鸿合创新信息技术有限责任公司 | Infrared touch display screen |
| US20220276734A1 (en) * | 2019-07-26 | 2022-09-01 | SHENZHEN Hitevision Technology Co., Ltd. | Infrared touch display screen |
| US11755168B2 (en) * | 2019-07-26 | 2023-09-12 | SHENZHEN Hitevision Technology Co., Ltd. | Infrared touch display screen |
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