CN216083647U - Infrared touch frame assembly and infrared touch display - Google Patents
Infrared touch frame assembly and infrared touch display Download PDFInfo
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- CN216083647U CN216083647U CN202121164129.8U CN202121164129U CN216083647U CN 216083647 U CN216083647 U CN 216083647U CN 202121164129 U CN202121164129 U CN 202121164129U CN 216083647 U CN216083647 U CN 216083647U
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Abstract
The utility model discloses an infrared touch frame assembly and an infrared touch display, wherein the infrared touch frame assembly comprises: the first frame comprises a first frame part and a lateral frame part formed by bending the end part of the first frame part inwards; the first frame part and the lateral frame part are integrally formed; the first frame is provided with an embedding groove, and a first opening communicated with the embedding groove is formed in the inner side of the first frame; the second frame is connected with the first frame so as to form a screen set installation space by enclosing with the first frame; the infrared assembly comprises a light filtering strip with an installation cavity arranged inside and an infrared PCB arranged in the installation cavity; the filter strip comprises a base part and a convex part, the base part is embedded in the embedding groove, and the convex part extends out of the embedding groove; the infrared touch display comprises the infrared touch frame assembly. The first frame adopted by the frame assembly is bent integrally, so that the material quantity can be reduced, and the cost is reduced; the infrared touch display can improve the integrity of the frame and the appearance of the whole machine.
Description
Technical Field
The utility model relates to the technical field of display equipment, in particular to an infrared touch frame assembly and an infrared touch display.
Background
An infrared touch screen, that is, an infrared touch screen, is composed of infrared elements mounted on a frame of the touch screen, and these elements form an infrared detection network on the surface of the screen, so that an object (such as a finger) performing touch operation can change the infrared ray of a contact point and then be converted into a touch position to implement operation response.
In the conventional infrared touch display, such as a commercial display, the bezel assembly generally includes a bezel disposed at the periphery of the screen body, and an infrared assembly (an infrared transmitting element, an infrared receiving element, an infrared PCB, and a light filtering strip).
In a conventional bezel assembly of an infrared touch screen, a bezel generally includes four frame portions (a left frame portion, an upper frame portion, a right frame portion, and a lower frame portion) and a plurality of corner members (a left upper corner member, a right upper corner member, a left lower corner member, and a right lower corner member), and adjacent frame portions are fixedly connected through the corner members. Generally, a splicing structure corresponding to an adjacent frame is machined at the end part of the frame through CNC machining (numerical control machining process), and a structure matched with a corner part is machined at the frame through CNC machining.
When the frame assembly of the existing infrared touch screen is assembled, the infrared assembly is generally installed into a single frame, and then two ends of the light filtering strip are respectively clamped with the frame; and then the four frames are connected and fixed through the four corner pieces.
However, the existing frame component of the infrared touch screen is complex in structure, various in material types, complex in processing technology, troublesome in assembly and low in assembly efficiency, and needs to be processed by a CNC (computer numerical control) process.
SUMMERY OF THE UTILITY MODEL
One of the purposes of the embodiment of the utility model is as follows: the utility model provides an infrared touch frame subassembly, it can reduce material quantity, and reduce cost improves the packaging efficiency, improves manufacturability.
The second purpose of the embodiment of the utility model is: the infrared touch display has the advantages that the frame is high in integrity, the appearance of the whole infrared touch display is improved, the manufacturing cost is low, and the assembly efficiency is high.
In order to achieve one of the purposes, the utility model adopts the following technical scheme:
an infrared touch bezel assembly comprising:
a first frame including a first frame portion and a lateral frame portion formed by bending an end portion of the first frame portion inward; the first frame part and the lateral frame part are integrally formed; the first frame is provided with an embedding groove, and a first opening communicated with the embedding groove is formed in the inner side of the first frame;
a second frame connected to the first frame; the inner side surface of the first frame and the inner side surface of the second frame enclose a screen group mounting space;
the infrared assembly comprises a light filtering strip with an installation cavity arranged inside and an infrared PCB arranged in the installation cavity; the filter strip comprises a base part and a convex part, the base part is embedded in the embedding groove, and the convex part extends out of the embedding groove from the first opening.
In order to achieve the second purpose, the utility model adopts the following technical scheme:
an infrared touch display comprises the infrared touch frame assembly and a display module arranged in the screen group installation space; the outer peripheral surface of the display module is abutted to the inner outer surface of the filter strip so as to limit the filter strip in the embedding groove.
The utility model has the beneficial effects that: according to the infrared touch frame assembly, the first frame is integrally formed by the two or more frame parts, so that the quantity of materials can be reduced, the processing of the frame is simpler, the assembly efficiency is higher, the manufacturing cost can be reduced, and the manufacturability is improved;
this infrared touch display, the structure of the touch frame subassembly of adoption is simpler, and reducible frame concatenation gap and segment difference promote the frame wholeness, promote the complete machine outward appearance, promote complete machine manufacturability.
Drawings
The utility model is explained in more detail below with reference to the figures and examples.
Fig. 1 is a schematic structural diagram of an application diagram of a bezel assembly and an infrared touch display according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a first frame of the bezel assembly of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic structural diagram of a light filter bar in the bezel assembly according to the present invention;
FIG. 5 is a schematic diagram illustrating a relationship between a first bezel and an infrared module of the bezel assembly according to the present invention;
FIG. 6 is a second schematic view illustrating a relationship between a first bezel and an infrared module of the bezel assembly according to the present invention;
FIG. 7 is a second schematic view of an application diagram of the bezel assembly and a structure of an infrared touch display according to an embodiment of the present invention;
in the figure: 10. a first frame; 101. an embedding groove; 102. a back plate groove; 1041. a first inner wall; 1042. a second inner wall; 1043. a third inner wall; 1021. a first back groove portion; 1022. a second back groove portion; 11. a first frame portion; 12. a lateral frame portion; 121. a second frame portion; 122. a third frame portion; 20. a second frame; 31. a light filtering strip; 3101. a base; 3102. a convex portion; 3103. a first limiting surface; 3104. a second limiting surface; 311. a mounting cavity; 312. a first card slot; 313. a second card slot; 32. an infrared PCB board; 40. a wire passing groove; 50. a display module.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "fixed" are to be understood broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
It should be noted that, in the present invention, for the infrared touch bezel assembly and the infrared touch display, a direction close to the center of the glass panel is an inner side of each component, i.e., an "inner" direction indicated by an arrow in the drawing, and a direction away from the center of the glass panel is an outer side of each component, i.e., an "outer" direction indicated by an arrow in the drawing; when the infrared touch frame assembly and the infrared touch display are used by a user, the glass panel faces the user, one side of the glass panel facing the user is a front side, namely a front direction indicated by an arrow in the drawing, and the side of the glass panel facing away from the user is a rear side, namely a rear direction indicated by the arrow in the drawing.
The utility model provides an infrared touch frame assembly, wherein a first frame 10 comprises two or more frame parts, corner pieces can be eliminated or reduced, the processing technology can be simplified, the assembly is simpler, the assembly efficiency can be improved, and the manufacturability can be improved.
As shown in fig. 1-7, in an embodiment of the infrared touch bezel assembly of the present invention, the infrared touch bezel assembly includes a first bezel 10, a second bezel 20, and an infrared assembly;
the first frame 10 includes a first frame portion 11, and a lateral frame portion 12 formed by bending an end portion of the first frame portion 11 inward (inward of the first frame portion 11); wherein, one end of the first frame portion 11 is bent inward to form the lateral frame portion 12, or the two opposite ends of the second frame portion 121 are bent inward to form the lateral frame portion 12; the first frame portion 11 and the lateral frame portion 12 are integrally formed; an embedding groove 101 is formed in the first frame 10, and a first opening communicated with the embedding groove 101 is formed in the inner side of the first frame 10;
the second frame 20 is directly or indirectly connected with the first frame 10, and a screen group installation space for installing the display module 50 is defined by the inner side surface of the first frame 10 and the inner side surface of the second frame 20; the first opening faces the screen group installation space;
the infrared assembly comprises a filter strip 31 with a mounting cavity 311 arranged inside and an infrared PCB 32 arranged in the mounting cavity 311; one end or two ends of the light filtering strip 31 are provided with cavity openings communicated with the mounting cavity 311, and the PCB is suitable for inserting into or taking out of the mounting cavity 311 from the cavity openings; the filter strip 31 includes a base portion 3101, and a convex portion 3102 connected to the base portion 3101; the base portion 3101 is fitted into the fitting groove 101, the convex portion 3102 protrudes from the fitting groove 101 through the first opening, and the convex portion 3102 approaches the panel assembly installation space with respect to the base portion 3101.
It can be understood that, since the different frame portions in the first frame 10 are located on different sides of the screen group installation space, and the filter bars 31 in the different frame portions are also located on different sides of the screen group installation space, the inside and outside directions of the different frame portions in the first frame 10 are different, and the inside and outside directions of the filter bars 31 in the different frame portions are different; however, the front and rear directions of all the frame portions of the first frame 10 and the filter bar 31 are the same, and the front direction is the sameIs F31Direction, rear side direction being F32And (4) direction.
In this embodiment, the infrared module further includes an infrared emitting element and an infrared receiving element electrically connected to the infrared PCB 32; the filter stripe 31 is an infrared filter stripe.
The working principle of the infrared assembly is as follows: the infrared PCB 32 drives the transmitting infrared element to transmit infrared rays which penetrate through the filter strip 31 at the transmitting end and emit to the receiving component correspondingly arranged with the transmitting infrared element, so that the infrared rays can emit to the infrared receiving element after penetrating through the filter strip 31 at the corresponding receiving end, the infrared receiving element transmits the received infrared signals to the receiving infrared PCB 32, the transmission of the infrared signals is realized, when a user operates on the infrared touch screen, the user shields the infrared rays transmitted by the infrared transmitting element, the receiving component can not receive the infrared rays transmitted by the infrared transmitting element, and the signal positioning is carried out on the input signals according to the change of the signals.
In this embodiment, the filter strip 31 is made of plastic.
The infrared touch bezel assembly of the present embodiment can be assembled at least in the following manner:
inserting the infrared PCB 32 into the mounting cavity 311 from the opening at the end of the filter strip 31 to limit the mounting of the infrared PCB 32; the base 3101 of the filter strip 31 is fitted into the embedding slot 101, and the filter strip 31 can be fitted into the embedding slot 101 through the first opening; and finishing the installation of the infrared touch frame assembly.
In the infrared touch frame assembly of the embodiment, one frame raw material is bent by the bending device, two adjacent frame portions (the first frame portion 11 and the lateral frame portion 12) are integrally connected through a bending part, the first frame portion 11 and the lateral frame portion 12 are not required to be connected by a corner piece, and the first frame portion 11 and the lateral frame portion 12 are also omitted from being connected to perform CNC (computer numerical control) processing on the two frame portions; according to the infrared touch frame assembly of the embodiment, the first frame portion 11 and the lateral frame portion 12 are not required to be connected through an external corner piece, and CNC matching features are not required to be processed at corresponding matching positions of the corner positions of the first frame portion 11 and the lateral frame portion 12, so that the corner piece of the infrared touch frame assembly can be cancelled or reduced, and CNC processing procedures in the manufacturing process of the infrared touch frame assembly can be reduced.
The infrared touch frame assembly of this embodiment, reducible corner spare, reducible material quantity simplifies manufacturing process, reduces manufacturing cost to the equipment of being convenient for can improve infrared touch display's manufacturability. Need not to adopt the corner spare to carry out the infrared touch frame subassembly of connecting between first frame 10 and the second frame 20, can also directly cancel the corner spare, reduce whole material kind, reduce cost improves manufacturability.
In this embodiment, two ends of the second frame 20 are respectively connected to two ends of the first frame 10 to form an end-to-end frame assembly, so that a screen assembly installation space is defined inside the frame assembly. When the end of the second frame 20 is connected to the end of the first frame 10, the second frame can be connected by an elastic snap-fit connection, or can be connected by a corner piece and a fastener.
In the present embodiment, each frame portion (the first frame portion 11, the lateral frame portion 12) is installed with at least one light filter bar 31 therein.
In other embodiments, only one end of the second frame 20 may be connected to the first frame 10, and both ends of the second frame 20 may not be connected to the first frame 10.
In an embodiment, the first frame 10 comprises two lateral frame portions 12; that is, both ends of the first frame portion 11 are respectively bent inward to form the lateral frame portions 12; the lateral frame portion 12 formed at one end of the first frame portion 11 is a second frame portion 121, and the lateral frame portion 12 formed at the other end of the first frame portion 11 is a third frame portion 122.
As shown in fig. 1, in the present embodiment, the inner direction of the first frame portion 11 is F22Direction, outer direction is F21Direction; the inner side direction of the second frame portion 121 is F12Direction, outer direction is F11Direction; the third frame portion 122 has an inner direction F11Direction, outer direction is F12Direction;
correspondingly, the inner direction of the filter strip 31 in the first frame part 11 is F22Direction and outsideSide direction is F21Direction; the inner side direction of the filter strip 31 in the second frame part 121 is F12Direction, outer direction is F11Direction; the inner side direction of the filter strip 31 in the third frame portion 122 is F11Direction, outer direction is F12And (4) direction.
Based on the above structure, to facilitate installation of the filter bar 31, the infrared touch bezel assembly is configured to: the device comprises a first light filtering strip, a second light filtering strip and a third light filtering strip; the first filter strip is mounted in the embedding slot 101 of the first frame portion 11, the second filter strip is mounted in the embedding slot 101 of the second frame portion 121, and the third filter strip is mounted in the embedding slot 101 of the third frame portion 122.
The infrared touch frame assembly in this embodiment can be assembled at least in the following manner:
installing infrared PCB boards 32 in the first, second and third light filtering strips respectively;
inserting the first filter strip which completes the installation of the infrared PCB 32 into the embedding slot 101 of the first frame part 11;
inserting the second filter strip on which the infrared PCB 32 is mounted into the embedding slot 101 of the second frame portion 121;
the third filter bar on which the infrared PCB board 32 is mounted is inserted into the insertion groove 101 of the third frame portion 122.
Of course, the infrared touch bezel assembly in this embodiment may also be implemented in other manners.
The infrared touch frame assembly of the embodiment is characterized in that the light filtering strips 31 arranged in different embedding grooves 101 of different frame parts are separately arranged and installed step by step, so that the situation that the light filtering strips 31 are obstructed by the integrally formed appearance of the first frame part 11 with two bent parts is avoided, the reliable installation of the light filtering strips 31 is realized, the good matching of the light filtering strips 31 and the frame parts is realized, and the normal implementation of the infrared touch sensing function is ensured.
In this embodiment, a light filter strip 31 is installed in each frame portion.
In other embodiments, the number of the filter strips 31 mounted in each frame portion may be two or more, as long as the normal implementation of the infrared touch sensing function can be ensured.
In an embodiment, the embedding slot 101 includes a first inner wall 1041, a second inner wall 1042, and a third inner wall 1043 connected in sequence; the first inner wall 1041 restricts the degree of freedom of movement of the filter bar 31 to the front side in the thickness direction thereof, the second inner wall 1042 restricts the degree of freedom of movement of the filter bar 31 to the outer side in the width direction thereof, and the third inner wall 1043 restricts the degree of freedom of movement of the filter bar 31 to the rear side in the thickness direction thereof.
In this embodiment, in order to reliably support the filter strips 31 by the first frame 10, the first inner wall 1041 is configured to: the width of the first inner wall 1041 is greater than the width of the third inner wall 1043; in this way, the front surface of the base portion 3101 of the filter strip 31 and the front surface of the convex portion 3102 are both in contact with the first inner wall 1041, and the first frame 10 reliably supports and protects the front surface of the filter strip 31.
In one embodiment, based on a configuration in which the first frame 10 includes two lateral frame portions 12, the first frame portion 11 is an upper frame portion, the second frame portion 121 is a left frame portion, and the third frame portion 122 is a right frame portion; the second frame 20 is a single frame, the second frame 20 is used as a lower frame portion, one end of the second frame 20 is connected with the left frame portion, the other end of the second frame 20 is connected with the right frame portion, and the first frame 10 and the second frame 20 are connected to form a whole frame; a screen group installation space is defined between the first frame 10 and the second frame 20.
By adopting the first side frame 10 comprising the two lateral frame parts 12, the upper frame part, the left frame part and the right frame part are integrally formed, at least two upper corner pieces can be eliminated, and the structure is simpler; when the frame assembly is applied to a display complete machine, particularly a commercial display complete machine, the position of the lower frame (namely the lower frame portion) needs to be provided with structures such as an electrical connector and a loudspeaker, the cross section shape design of the lower frame is not consistent with that of the upper frame portion, the left frame portion and the right frame portion, and the cross section shapes of the upper frame portion, the left frame portion and the right frame portion can be designed to be consistent.
Therefore, the first frame 10 is designed to be integrally formed with the upper frame portion, the left frame portion, and the right frame portion, and the first frame 10 and the second frame 20 are designed to be separate from each other, which facilitates manufacturing and processing.
In an embodiment, the first frame 10 may further include only one lateral frame portion 12, the first frame 10 is an L-shaped frame, and the second frame 20 is also an L-shaped frame, and is connected to the second frame 20 through the first frame 10, so as to enclose a screen assembly installation space between the first frame 10 and the second frame 20.
In an embodiment, the mounting cavity 311 of the filter strip 31 is provided with a first card slot 312 and a second card slot 313 on two cavity walls (i.e. inner walls of the cavity) in the thickness direction of the filter strip 31; wherein, the first card slot 312 limits the degrees of freedom of the infrared PCB 32 moving outward in the width direction of the filter strip 31, moving inward in the width direction of the filter strip 31, and moving forward in the thickness direction of the filter strip 31; the second card slot 313 restricts the degrees of freedom of the infrared PCB 32 to move outward in the width direction of the filter strip 31, move inward in the width direction of the filter strip 31, and move backward in the thickness direction of the filter strip 31.
In this embodiment, the first card slot 312 and the second card slot 313 are matched to limit the degree of freedom of the infrared PCB 32 in moving directions except the direction along the length of the filter strip 31, so that the infrared PCB 32 can be mounted and limited by the filter strip 31, and the infrared PCB 32 can be mounted in the mounting cavity 311 conveniently and reliably; in this way, a structure for mounting the infrared PCB 32 does not need to be provided inside the first bezel 10, and the mounting structure does not affect the insertion of the filter bar 31.
In addition, the infrared PCB 32 is mounted inside the filter strip 31, the cross-sectional shapes of the filter strip 31 and the first frame 10 are improved, the infrared PCB 32 can be inserted into the filter strip 31, the filter strip 31 is embedded inside the first frame 10 through the first opening, and the assembly mode of the embodiment is more convenient and faster compared with the assembly mode of the filter strip 31 and the frame in a clamping manner.
In an embodiment, based on the structure that the filter strip 31 is embedded in the embedding groove 101 of the first bezel 10, and based on the limited support of the filter strip 31 by the inner wall of the embedding groove 101, in order to meet the electrical connection requirement of the electronic component in the infrared touch bezel assembly, a wire passing groove 40 is provided between the base portion 3101 of the filter strip 31 and the inner wall of the embedding groove 101, and the wire passing groove 40 is used for passing a power supply wire.
In the present embodiment, the groove is designed on the base 3101 of the filter strip 31 to form the threading groove 40 between the base 3101 of the filter strip 31 and the first frame 10; the method is realized by the following steps:
the light filter strip 31 includes a groove disposed on a side of the base portion 3101 close to the inner wall of the embedding slot 101, and the wire passing slot 40 is enclosed between the groove and the inner wall of the embedding slot 101.
In this embodiment, a groove is formed on a side of the filter strip 31 close to the second inner wall 1042 of the embedding slot 101.
In this embodiment, since the first frame 10 mainly plays a role in supporting and protecting the filter strip 31 and the display module 50 inside the infrared touch display, in order to ensure the strength of the structure of the first frame 10, only the groove is processed on the filter strip 31, the inner wall of the embedding groove 101 opposite to the groove of the filter strip 31 is designed to be a plane, the groove is prevented from being processed on the inner wall to reduce the wall thickness, and the strength of the first frame 10 is ensured.
The depth of the grooves of the filter strips 31 may be designed according to specific requirements, and the present invention is not limited thereto.
In one embodiment, the filter strip 31 is formed with a mounting step for mounting the display module 50; the outer surface of the convex portion 3102 on the rear side in the thickness direction of the filter 31 is a first stopper surface 3103, the outer surface of the base portion 3101 on the inner side in the width direction of the filter 31 is a second stopper surface 3104, and the first stopper surface 3103 and the second stopper surface 3104 are connected to form an attachment step for stopping the display module 50 in two directions.
In one embodiment, the first frame 10 is an aluminum extruded profile for facilitating manufacturing of the first frame 10.
A manufacturing method of the first frame 10 in this embodiment is as follows:
heating and softening an aluminum ingot, pressurizing, and extruding and molding through a die with a special section to form an aluminum profile structure;
after the aluminum profile is extruded, the aluminum profile is bent directly by using a bending tool to form the first frame 10.
In a general frame processing technology, a rolling technology is adopted to process a sheet metal material, and a plurality of groups of roller dies are used for processing an iron plate to enable the iron plate to have a relevant section, however, the section processed by the technology has large thickness of some characteristic plates on the section, and the difficulty of CNC adjustment of local size after the section is formed is high; moreover, a closed section cannot be formed, and some frame performance requirements, such as mechanical performance requirements and waterproof performance requirements, cannot be met; the frame is processed by adopting a rolling process, and a metal plate material such as a common cold-rolled sheet, a galvanized steel sheet, a hot-dip galvanized steel sheet, stainless steel and the like is mostly adopted, so that the surface treatment difficulty is higher, and the overall appearance effect is poorer.
In the aluminum extrusion processing technology, the section of the profile has better adjustability, the size parameters of the profile can be controlled according to actual requirements, and the compatibility is better; bending after aluminum extrusion processing is carried out, so that the damage to the section of the section is small, and the secondary processing difficulty is low; the equipment cost required by the extrusion of the aluminum profile is low, and the manufacturing cost is low; in addition, the aluminum extrusion-molded frame is adopted, so that the cross section can be sealed, the installation cavity 311 is formed by enclosing, and the higher performance requirement can be met; in addition, the aluminum material is more easily subjected to surface treatment such as blast oxidation, wire drawing oxidation, and the like, and has higher appearance applicability.
In one embodiment, in order to realize connection between the back plate and the bezel assembly in the infrared touch display, a back plate groove 102 is formed in the back side of the first bezel 10 in the thickness direction, and a second opening is formed in the back side of the first bezel 10 in the thickness direction;
the back panel groove 102 includes a first back groove portion 1021, and a second back groove portion 1022 located inside the first back groove portion 1021 in the width direction of the first bezel 10, the second back groove portion 1022 communicating with the first back groove portion 1021 through a communication opening; the second opening is connected to the first back groove 1021, and the second opening is used for inserting the back plate.
In the first frame 10, the width direction of the first frame portion 11 is different from the width direction of the side frame portion 12.
In this embodiment, the first back groove 1021 is used for inserting a bent mounting edge of a back plate in the infrared touch display, and the back plate is connected with the first frame 10 through screws, so that the back plate is mounted and fastened; the two inner walls of the first back groove part 1021 in the width direction of the first frame 10 play a role in limiting the bent installation edge; in addition, the second back groove part 1022 is communicated with the first back groove part 1021, so that the second back groove part 1022 can discharge the debris generated when the screw is punched through the hole or the screw is locked.
In addition, in the first frame 10 manufactured by the die extrusion molding process, in order to avoid the bursting due to the uneven wall thickness during the molding, the second back groove part 1022 is designed to correspond to the first back groove part 1021, so that the probability of the cracking during the molding can be reduced. In addition, the second back-groove part 1022 can reduce material and cost.
The utility model further provides an infrared touch display which adopts the infrared touch frame assembly in the embodiment.
As shown in fig. 1-7, in an embodiment of the infrared touch display of the present invention, the infrared touch display includes the infrared touch frame assembly in the above embodiment, and further includes a display module 50 disposed in the screen set installation space; the display module 50 includes a glass panel, and the outer peripheral surface of the glass panel abuts against the inner outer surface of the filter strip 31 to limit the filter strip 31 in the embedding groove 101.
According to the infrared touch display provided by the embodiment, the first frame 10 is integrally formed by two or more frame parts, so that the splicing gap and the section difference of the frames can be reduced, the integrity of the frames is improved, the appearance of the whole machine is improved, and the manufacturability of the whole machine is improved; moreover, the toughened glass also carries out lateral limitation on the light filtering strip 31, so that the reliable limitation of the light filtering strip 31 is ensured.
In one embodiment, the outer surface of the convex portion 3102 on the rear side of the filter 31 in the thickness direction is a first stopper surface 3103, the outer surface of the base portion 3101 on the inner side of the filter 31 in the width direction is a second stopper surface 3104, and the first stopper surface 3103 and the second stopper surface 3104 are connected to form a mounting step for mounting the display module 50; the front side surface of the glass panel abuts against the first stopper surface 3103, and the outer peripheral surface of the glass panel abuts against the second stopper surface 3104, so that the glass panel can be reliably fixed by the filter 31.
On the basis, the infrared touch display further includes a back plate (not shown), and a fixing structure connected to the back plate, where the fixing structure is disposed on a side of the display module 50 away from the first limiting surface 3103; the displacement of the display module 50 in the horizontal direction is limited by the first frame 10 and the second frame 20, and the displacement of the display module 50 in the thickness direction is limited by the first limiting surface 3103 in cooperation with the fixing structure.
In one embodiment, the glass panel is tempered glass.
In one embodiment, two ends of the first frame portion 11 are respectively bent inward to form the lateral frame portions 12; the lateral frame portion 12 formed at one end of the first frame portion 11 is a second frame portion 121, and the lateral frame portion 12 formed at the other end of the first frame portion 11 is a third frame portion 122;
the first frame portion 11 is an upper frame portion, the second frame portion 121 is a left frame portion, the third frame portion 122 is a right frame portion, and the second frame 20 is a lower frame; one end of the second frame 20 is connected to the left frame portion, and the other end is connected to the right frame portion. So set up, can enough improve complete machine wholeness, be convenient for again assemble manufacturing.
In an embodiment, the infrared touch display of the present invention is a commercial display, and may be a touch display applied to the fields of advertisement, self-service, meeting, teaching, and the like, and may be, but not limited to, a touch query all-in-one machine, an information display terminal, a meeting tablet, and a teaching tablet.
In the description herein, it is to be understood that the terms "upper", "lower", "left", "right", and the like are used in an orientation or positional relationship based on that shown in the drawings, and are used for convenience of description and simplicity of operation only, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the utility model and should not be construed in any way as limiting the scope of the utility model. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. An infrared touch bezel assembly, comprising:
a first frame (10) including a first frame portion (11), and a lateral frame portion (12) formed by bending an end portion of the first frame portion (11) inward; the first frame portion (11) is integrally formed with the lateral frame portion (12); the first frame (10) is provided with an embedding groove (101), and a first opening communicated with the embedding groove (101) is formed in the inner side of the first frame (10);
a second frame (20) connected to the first frame (10); the inner side surface of the first frame (10) and the inner side surface of the second frame (20) form a screen group installation space;
the infrared assembly comprises a filter strip (31) with a mounting cavity (311) arranged inside and an infrared PCB (32) arranged in the mounting cavity (311); the light filter strip (31) comprises a base portion (3101) and a convex portion (3102), the base portion (3101) is embedded in the embedding groove (101), and the convex portion (3102) extends out of the embedding groove (101) from the first opening.
2. The infrared touch bezel assembly according to claim 1, characterized in that the lateral frame portion (12) is formed by bending both ends of the first frame portion (11) inward, respectively; the lateral frame portion (12) formed at one end of the first frame portion (11) is a second frame portion (121), and the lateral frame portion (12) formed at the other end of the first frame portion (11) is a third frame portion (122).
3. The infrared touch bezel assembly of claim 1 or 2, wherein the first bezel (10) is an aluminum extruded structure and the light filter bar (31) is a plastic structure.
4. The infrared touch bezel assembly as recited in claim 1 or 2, wherein the mounting cavity (311) is provided with a first card slot (312) and a second card slot (313) on two opposite cavity walls in a thickness direction; one end of the infrared PCB (32) is inserted into the first card slot (312), and the other end of the infrared PCB is inserted into the second card slot (313).
5. The infrared touch bezel assembly of claim 1 or 2, characterized in that a wire passing slot (40) is formed between the base portion (3101) and an inner wall of the embedding slot (101).
6. The infrared touch bezel assembly according to claim 5, characterized in that the light filter bar (31) comprises a groove provided at a side of the base portion (3101) close to the inner wall of the bezel (101), the groove and the inner wall of the bezel (101) enclosing the wire passing groove (40) therebetween.
7. The infrared touch bezel assembly according to claim 1 or 2, wherein an outer surface of the convex portion (3102) on a rear side in a thickness direction of the filter bar (31) is a first stopper surface (3103), an outer surface of the base portion (3101) on an inner side in a width direction of the filter bar (31) is a second stopper surface (3104), and the first stopper surface (3103) and the second stopper surface (3104) are connected to form a mounting step for mounting a display module (50).
8. The infrared touch bezel assembly according to claim 1 or 2, characterized in that the first bezel (10) comprises a back plate groove (102), and a second opening provided at a rear side in a thickness direction of the first bezel (10);
the back plate groove (102) includes a first back groove portion (1021), and a second back groove portion (1022) located inside the first back groove portion (1021) in a width direction of the first frame (10), the second back groove portion (1022) communicating with the first back groove portion (1021) through a communication opening; the second opening is connected with the first back groove part (1021), and the second opening is used for inserting a back plate.
9. An infrared touch display, comprising the infrared touch bezel assembly as recited in any one of claims 1-8, further comprising a display module (50) disposed in the screen set mounting space; the outer peripheral surface of the display module (50) is abutted to the inner outer surface of the light filtering strip (31) so as to limit the light filtering strip (31) in the embedding groove (101).
10. The infrared touch display as set forth in claim 9, characterized in that both ends of the first frame portion (11) are respectively bent inward to form the lateral frame portions (12); the lateral frame portion (12) formed at one end of the first frame portion (11) is a second frame portion (121), and the lateral frame portion (12) formed at the other end of the first frame portion (11) is a third frame portion (122);
the first frame portion (11) is an upper frame portion, the second frame portion (121) is a left frame portion, the third frame portion (122) is a right frame portion, and the second frame (20) is a lower frame; one end of the second frame (20) is connected to the left frame portion, and the other end is connected to the right frame portion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121164129.8U CN216083647U (en) | 2021-05-24 | 2021-05-24 | Infrared touch frame assembly and infrared touch display |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121164129.8U CN216083647U (en) | 2021-05-24 | 2021-05-24 | Infrared touch frame assembly and infrared touch display |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115097962A (en) * | 2022-07-06 | 2022-09-23 | 深圳市康冠商用科技有限公司 | Electronic equipment and infrared touch frame with radio frequency signal processing function thereof |
| CN117729711A (en) * | 2023-08-18 | 2024-03-19 | 荣耀终端有限公司 | Middle frame structural member, electronic equipment and processing method of middle frame structural member |
-
2021
- 2021-05-24 CN CN202121164129.8U patent/CN216083647U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115097962A (en) * | 2022-07-06 | 2022-09-23 | 深圳市康冠商用科技有限公司 | Electronic equipment and infrared touch frame with radio frequency signal processing function thereof |
| CN117729711A (en) * | 2023-08-18 | 2024-03-19 | 荣耀终端有限公司 | Middle frame structural member, electronic equipment and processing method of middle frame structural member |
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