CN220962390U - High-stability spaced touch LED display screen - Google Patents
High-stability spaced touch LED display screen Download PDFInfo
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- CN220962390U CN220962390U CN202323033106.5U CN202323033106U CN220962390U CN 220962390 U CN220962390 U CN 220962390U CN 202323033106 U CN202323033106 U CN 202323033106U CN 220962390 U CN220962390 U CN 220962390U
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- touch
- accommodating cavity
- light guide
- button area
- guide plate
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- 239000007787 solid Substances 0.000 claims description 5
- 230000004308 accommodation Effects 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000009194 climbing Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- NMWSKOLWZZWHPL-UHFFFAOYSA-N 3-chlorobiphenyl Chemical compound ClC1=CC=CC(C=2C=CC=CC=2)=C1 NMWSKOLWZZWHPL-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Abstract
The utility model discloses a high-stability spaced touch LED display screen, which sequentially comprises a gradual change color film panel, a reflecting cavity plastic shell and a PCB control board from top to bottom; the color film panel is provided with a digital display area and at least one touch button area, the reflecting cavity plastic shell is provided with a first accommodating cavity and a second accommodating cavity group, a first light guide plate is arranged in the first accommodating cavity, and a second light guide plate is arranged in a unit in the second accommodating cavity group; the PCB control board is provided with a first LED side luminous lamp set and a second LED side luminous lamp set. By designing the shapes of the reflecting cavity and the PCB contact, the utility model adopts the second light guide plate as a touch medium and combines the touch sensing keys on the PCB as the contacts, thereby realizing the product blank touch requirement and improving the touch sensitivity and the touch stability so as to meet the application expectations of customers.
Description
Technical Field
The utility model relates to a high-stability spaced touch LED display screen, in particular to a high-stability spaced touch LED display screen which is compact in structure, high in touch sensitivity, good in touch stability and low in cost.
Background
The single-touch LED display screen in the current market has more varieties, has better touch sensitivity, and has the modes of a tact switch mode, a spring pressing type touch, an ITO touch and the like, wherein the current ITO touch mode is most, the user requirement can be met, and the cost is higher.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a high-stability spaced touch LED display screen, which has the characteristics of compact structure, high touch sensitivity, good touch stability and low cost.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a high-stability spaced touch LED display screen is characterized in that: the high-stability spaced touch LED display screen sequentially comprises a gradual change color film panel, a reflecting cavity plastic shell and a PCB control board from top to bottom;
The color film display device comprises a color film panel, a reflective cavity plastic shell, a digital display area, at least one touch button area, a first accommodating cavity and a second accommodating cavity group, wherein the digital display area and the at least one touch button area are arranged on the color film panel, the touch button area is arranged below the digital display area, the reflective cavity plastic shell is provided with the first accommodating cavity and the second accommodating cavity group which are respectively in one-to-one correspondence with the digital display area and the at least one touch button area, a first light guide plate with the same shape as the first accommodating cavity is arranged in the first accommodating cavity, the second accommodating cavity group consists of second accommodating cavity units which are respectively in one-to-one correspondence with the at least one touch button area, and a second light guide plate with the same shape as the second accommodating cavity is arranged in the second accommodating cavity units;
The PCB control board is provided with a first LED side luminous lamp group and a second LED side luminous lamp group which are respectively positioned on the top surface of the PCB control board and positioned at the front section and the rear end of the PCB control board, the first LED side luminous lamp group is positioned in front of the second accommodating cavity group, and the second LED side luminous lamp group is positioned behind the first accommodating cavity;
The PCB control board is provided with a plurality of infrared transmitters and infrared receivers which are connected with an MCU processor signal built in the PCB control board; and the gradual change color film panel, the first light guide plate and the second light guide plate are respectively in signal feedback connection with the MCU processor.
Preferably, the touch button area, the corresponding two light guide plates, the MCU processor on the PCB control panel and the fingers of the user form a touch closed loop.
Preferably, the first light guide plate and the first receiving cavity have the same size, and the first light guide plate is embedded in the first receiving cavity.
Preferably, the gradient color film panel is provided with five touch button areas, and the five touch button areas sequentially comprise a first touch button area, a second touch button area, a third touch button area, a fourth touch button area and a fifth touch button area from left to right;
Five second accommodating cavity units are sequentially distributed on the reflecting cavity plastic shell from left to right, and the five second accommodating cavity units are respectively positioned below the first touch button area, the second touch button area, the third touch button area, the fourth touch button area and the fifth touch button area from left to right;
The five second accommodating cavity units are respectively provided with the corresponding second light guide plates.
Preferably, the second light guide plate and the second receiving cavity unit have the same size, and the second light guide plate is embedded in the corresponding second receiving cavity unit.
Preferably, the second light guide plate is a solid structure.
Preferably, no wiring is distributed at the position corresponding to the second light guide plate on the PCB control plate;
And the maximum wiring length of the wiring between the touch sensing key pad at the position corresponding to the second light guide plate on the PCB control plate and the pin of the MCU processor on the PCB control plate is 200mm, and the maximum wiring width is 10mil.
Preferably, the safe interval distance between the wiring on the PCB control board and the adjacent wiring is more than or equal to 2mm.
Preferably, the matching resistance of the touch channel arranged on the PCB control board is 510R, and the distance between the touch channel arranged on the PCB control board and the corresponding pin of the MCU processor on the PCB control board is smaller than 10mm.
Preferably, the first LED side light emitting lamp group is composed of a plurality of first LED side light emitting lamp units, and the plurality of first LED side light emitting lamp units are distributed along the length direction of the touch button area; the second LED side light-emitting lamp group consists of a plurality of second LED side light-emitting lamp units, and the second LED side light-emitting lamp units are distributed along the length direction of the digital display area.
The utility model has the advantages that: by designing the shapes of the reflecting cavity and the PCB contact, the utility model adopts the second light guide plate as a touch medium and combines the touch sensing keys on the PCB as the contacts, thereby realizing the product blank touch requirement and improving the touch sensitivity and the touch stability so as to meet the application expectations of customers.
The high-stability spaced touch LED display screen adopts an improved mode, a first LED side light-emitting lamp group and a second LED side light-emitting lamp group which are respectively positioned on the top surface of the PCB control panel and positioned at the front section and the rear end of the PCB control panel are arranged on the PCB control panel, the form of side light-emitting LEDs, a second light guide plate and a second accommodating cavity group of a reflecting cavity plastic shell is adopted, the second light guide plate is a solid filling medium, and the touch precision is high; the side-emitting LEDs adopt a side-emitting mode, compared with the traditional bottom-emitting LEDs, the LED quantity is reduced, the cost is reduced, and the problems that glue climbing characteristics are easy to be uneven and the touch precision is uneven due to the traditional structure are solved.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic exploded view of a high-stability spaced touch LED display screen according to the present utility model.
Fig. 2 is a schematic structural diagram of a high-stability spaced touch LED display screen according to the present utility model.
Fig. 3 is a schematic structural diagram of the high-stability spaced touch LED display screen with the progressive color film panel omitted.
Fig. 4 is a schematic structural diagram of a schematic diagram of a high-stability hollow touch control in a hollow touch LED display screen according to the present utility model.
In the figure: the color film comprises a 1-gradual change color film panel, a 11-digital display area, a 12-touch button area, a 121-first touch button area, a 122-second touch button area, a 123-third touch button area, a 124-fourth touch button area, a 125-fifth touch button area, a 2-reflection cavity plastic shell, a 21-first accommodating cavity, a 221-second accommodating cavity unit, a 3-PCB control panel, a 4-first light guide plate, a 5-second light guide plate, a 6-first LED side light-emitting lamp group, a 7-second LED side light-emitting lamp group, an 8-infrared emitter and a 9-infrared receiver.
Detailed Description
The high-stability spaced touch LED display screen comprises a gradual change color film panel 1, a reflecting cavity plastic shell 2 and a PCB control panel 3 from top to bottom.
The color film panel 1 is provided with a digital display area 11 and at least one touch button area 12 arranged below the digital display area 11, the reflective cavity plastic shell 2 is provided with a first accommodating cavity 21 and a second accommodating cavity group which are respectively in one-to-one correspondence with the digital display area 11 and the at least one touch button area 12, the first accommodating cavity 21 is internally provided with a first light guide plate 4 consistent with the shape of the first accommodating cavity 21, the second accommodating cavity group is composed of a second accommodating cavity unit 221 which is in one-to-one correspondence with the at least one touch button area 12, and the second accommodating cavity unit 221 is internally provided with a second light guide plate 5 consistent with the shape of the second accommodating cavity.
The PCB control board 3 is provided with a first LED side luminous lamp group 6 and a second LED side luminous lamp group 7 which are respectively positioned on the top surface of the PCB control board 3 and positioned at the front section and the rear end of the PCB control board 3, the first LED side luminous lamp group 6 is positioned in front of the second accommodating cavity group, and the second LED side luminous lamp group 7 is positioned behind the first accommodating cavity 21.
The PCB control board 3 is provided with a plurality of infrared transmitters 8 and infrared receivers 9 which are connected with the MCU processor signal built in the PCB control board 3. The gradual change color film panel 1, the first light guide plate 4 and the second light guide plate 5 are respectively connected with the MCU processor through signal feedback.
By designing the shapes of the reflecting cavity and the PCB contact, the utility model adopts the second light guide plate 5 as a touch medium and combines the touch sensing keys on the PCB as the contacts, thereby realizing the product blank touch requirement and improving the touch sensitivity and the touch stability so as to meet the application expectations of customers.
The high-stability spaced touch LED display screen adopts an improved mode, a first LED side light-emitting lamp group 6 and a second LED side light-emitting lamp group 7 which are respectively positioned on the top surface of the PCB control panel 3 and positioned at the front section and the rear end of the PCB control panel 3 are arranged on the PCB control panel 3, a second accommodation cavity group form of side light-emitting LEDs, a second light guide plate 5 and a reflection cavity plastic shell 2 is adopted, the second light guide plate 5 is a solid filling medium, and the touch precision is high; the side-emitting LEDs adopt a side-emitting mode, compared with the traditional bottom-emitting LEDs, the LED quantity is reduced, the cost is reduced, and the problems that glue climbing characteristics are easy to be uneven and the touch precision is uneven due to the traditional structure are solved.
The touch button area 12, the two corresponding light guide plates, the MCU processor on the PCB control board 3 and the fingers of the user form a touch closed loop.
The first light guide plate 4 and the first receiving chamber 21 have the same size, and the first light guide plate 4 is inserted into the first receiving chamber 21. Five touch button areas 12 are arranged on the gradient color film panel 1, and a first touch button area 121, a second touch button area 122, a third touch button area 123, a fourth touch button area 124 and a fifth touch button area 125 are sequentially arranged from left to right;
Five second accommodating cavity units 221 are sequentially distributed in the second accommodating cavity group on the reflecting cavity plastic shell 2 from left to right, and the five second accommodating cavity units 221 are respectively positioned below the first touch button area 121, the second touch button area 122, the third touch button area 123, the fourth touch button area 124 and the fifth touch button area 125 from left to right; the five second receiving cavity units 221 have respective second light guide plates 5 interposed therein.
The above-described second light guide plate 5 and the second receiving chamber unit 221 have the same size, and the second light guide plate 5 is embedded in the corresponding second receiving chamber unit 221. The second light guide plate 5 is of a solid structure, and the second light guide plate 5 is identical in size to the corresponding second receiving chamber unit 221, so that a touch area can be maximized and other window screen patterns can be prevented from being touched to prevent erroneous touch.
No wiring distribution is arranged at the position corresponding to the second light guide plate 5 on the PCB control board 3; the maximum wiring length of the wiring between the touch sensing key pad at the position corresponding to the second light guide plate 5 on the PCB control board 3 and the pin of the MCU processor on the PCB control board 3 is 200mm, and the maximum wiring width is 10mil. The safe distance between the wiring and the adjacent wiring on the PCB control board 3 is more than or equal to 2mm. The matching resistance value of the touch channel arranged on the PCB control board 3 is 510R, and the distance between the touch channel arranged on the PCB control board 3 and the corresponding pin of the MCU processor on the PCB control board 3 is less than 10mm.
The first LED side light emitting lamp set 6 is composed of a plurality of first LED side light emitting lamp units, and the plurality of first LED side light emitting lamp units are distributed along the length direction of the touch button area 12. The second LED side light emitting lamp group 7 is composed of a plurality of second LED side light emitting lamp units, and the plurality of second LED side light emitting lamp units are distributed along the length direction of the digital display area 11.
When a hand touches the membrane, the finger serves as a capacitor, the middle gradual change color film panel 1 and the second light guide plate 5 serve as media, at the moment, the quantity of the touch PAD charge of the PCB control board 3 changes, the quantity of the touch PAD charge is transmitted into a TK pin of an MCU (micro control unit) processor on the PCB control board 3 through a lead, and the TK pin judges the touch action after receiving a signal, so that the display content of a picture on the gradual change color film panel 1 is controlled.
It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but instead should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are incorporated herein by reference for the purpose of completeness. The omission of any aspect of the subject matter disclosed herein in the preceding claims is not intended to forego such subject matter, nor should the inventors regard such subject matter as not be considered to be part of the disclosed subject matter.
Claims (10)
1. The utility model provides a high stability separates empty touch LED display screen which characterized in that: the high-stability spaced touch LED display screen sequentially comprises a gradual change color film panel, a reflecting cavity plastic shell and a PCB control board from top to bottom;
The color film display device comprises a color film panel, a reflective cavity plastic shell, a digital display area, at least one touch button area, a first accommodating cavity and a second accommodating cavity group, wherein the digital display area and the at least one touch button area are arranged on the color film panel, the touch button area is arranged below the digital display area, the reflective cavity plastic shell is provided with the first accommodating cavity and the second accommodating cavity group which are respectively in one-to-one correspondence with the digital display area and the at least one touch button area, a first light guide plate with the same shape as the first accommodating cavity is arranged in the first accommodating cavity, the second accommodating cavity group consists of second accommodating cavity units which are respectively in one-to-one correspondence with the at least one touch button area, and a second light guide plate with the same shape as the second accommodating cavity is arranged in the second accommodating cavity units;
The PCB control board is provided with a first LED side luminous lamp group and a second LED side luminous lamp group which are respectively positioned on the top surface of the PCB control board and positioned at the front section and the rear end of the PCB control board, the first LED side luminous lamp group is positioned in front of the second accommodating cavity group, and the second LED side luminous lamp group is positioned behind the first accommodating cavity;
The PCB control board is provided with a plurality of infrared transmitters and infrared receivers which are connected with an MCU processor signal built in the PCB control board; and the gradual change color film panel, the first light guide plate and the second light guide plate are respectively in signal feedback connection with the MCU processor.
2. The high stability spaced apart touch LED display of claim 1, wherein: and the touch button area, the two corresponding light guide plates, the MCU processor on the PCB control panel and the fingers of the user form a touch closed loop.
3. The high stability spaced apart touch LED display of claim 1, wherein: the first light guide plate and the first accommodating cavity have the same size, and the first light guide plate is embedded in the first accommodating cavity.
4. The high stability spaced apart touch LED display of claim 1, wherein: five touch button areas are arranged on the gradient color film panel, and the gradient color film panel sequentially comprises a first touch button area, a second touch button area, a third touch button area, a fourth touch button area and a fifth touch button area from left to right;
Five second accommodating cavity units are sequentially distributed on the reflecting cavity plastic shell from left to right, and the five second accommodating cavity units are respectively positioned below the first touch button area, the second touch button area, the third touch button area, the fourth touch button area and the fifth touch button area from left to right;
The five second accommodating cavity units are respectively provided with the corresponding second light guide plates.
5. The high stability spaced apart touch LED display of claim 1, wherein: the second light guide plate and the second accommodation chamber unit have the same size, and the second light guide plate is embedded in the corresponding second accommodation chamber unit.
6. The high stability spaced apart touch LED display of claim 5, wherein: the second light guide plate is of a solid structure.
7. The high stability spaced apart touch LED display of claim 1, wherein: no wiring distribution is arranged at the position corresponding to the second light guide plate on the PCB control plate;
And the maximum wiring length of the wiring between the touch sensing key pad at the position corresponding to the second light guide plate on the PCB control plate and the pin of the MCU processor on the PCB control plate is 200mm, and the maximum wiring width is 10mil.
8. The high stability spaced apart touch LED display of claim 7, wherein: the safe distance between the wiring on the PCB control board and the adjacent wiring is more than or equal to 2mm.
9. The high stability spaced apart touch LED display of claim 7, wherein: the matching resistance value of the touch channel arranged on the PCB control board is 510R, and the distance between the touch channel arranged on the PCB control board and the corresponding pin of the MCU processor on the PCB control board is smaller than 10mm.
10. The high stability spaced apart touch LED display of claim 1, wherein: the first LED side luminous lamp group consists of a plurality of first LED side luminous lamp units which are distributed along the length direction of the touch button area; the second LED side light-emitting lamp group consists of a plurality of second LED side light-emitting lamp units, and the second LED side light-emitting lamp units are distributed along the length direction of the digital display area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323033106.5U CN220962390U (en) | 2023-11-09 | 2023-11-09 | High-stability spaced touch LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323033106.5U CN220962390U (en) | 2023-11-09 | 2023-11-09 | High-stability spaced touch LED display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220962390U true CN220962390U (en) | 2024-05-14 |
Family
ID=91010607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323033106.5U Active CN220962390U (en) | 2023-11-09 | 2023-11-09 | High-stability spaced touch LED display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220962390U (en) |
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2023
- 2023-11-09 CN CN202323033106.5U patent/CN220962390U/en active Active
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| GR01 | Patent grant | ||
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