CN208128415U - Infrared touch panel tv display screen - Google Patents
Infrared touch panel tv display screen Download PDFInfo
- Publication number
- CN208128415U CN208128415U CN201820211061.6U CN201820211061U CN208128415U CN 208128415 U CN208128415 U CN 208128415U CN 201820211061 U CN201820211061 U CN 201820211061U CN 208128415 U CN208128415 U CN 208128415U
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- China
- Prior art keywords
- infrared
- tube
- circuit
- touch panel
- receiving
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- Expired - Fee Related
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Abstract
The utility model provides a kind of infrared touch panel tv display screen.The infrared touch panel tv display screen includes that TV shows touch screen body, infrared transmitter, infrared radiation receiving circuit and controller, the infrared transmitter and the infrared radiation receiving circuit are set to the TV and show touch screen body side, and the infrared transmitter and the infrared radiation receiving circuit are connect with the controller.A kind of infrared touch panel tv display screen provided by the utility model combines existing tv display screen and infrared touch panel, and TV screen is made to have high-resolution, touch manner multiplicity, non-damageable infrared touch effect.
Description
Technical field
The utility model relates to TV technology more particularly to a kind of infrared touch panel tv display screens.
Background technique
In early stage, infrared touch panel always will appear that such as resolution ratio is low, touch manner because of the jejune reason of technology
Single the disadvantages of being restricted, is easy to damage, is affected by environment big and the eyeball for people of once fading out.But not with science and technology
It is broken into ripe, second generation infrared screen solves the problems, such as light interference, the third generation in terms of promoting resolution ratio, gain performance all
There is significant progress.And it is present, the 5th generation infrared touch panel has obtained on 7 touch system of Windows widely
Using.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of high resolution, touch manner multiplicity, is hardly damaged
Infrared touch panel tv display screen.
Infrared touch panel tv display screen provided by the utility model includes that TV shows touch screen body, infrared ray transmitting
Circuit, infrared radiation receiving circuit and controller, the infrared transmitter and the infrared radiation receiving circuit are set to described
TV shows touch screen body side, and the infrared transmitter and the infrared radiation receiving circuit connect with the controller
It connects, the controller includes transmit circuit controller and receiving controller, and the transmit circuit controller includes displacement lock
Storage, demultiplexer and constant-current driven chip, the displacement latch, demultiplexer drive with the constant current
Dynamic chip connection, the constant-current driven chip are connect with the infrared transmitter, and the receiving controller includes connecing
Receive displacement latch, Port Multiplier, amplifying circuit and AD converter, the reception displacement latch, Port Multiplier and the infrared ray
Circuit connection is received, the infrared radiation receiving circuit is connect with the amplifying circuit, and the amplifying circuit is connect with AD converter.
In a kind of preferred embodiment of infrared touch panel tv display screen provided by the utility model, the infrared ray transmitting
Circuit includes lateral infrared transmitting tube and longitudinal infrared transmitting tube, the transverse direction infrared transmitting tube and longitudinal infrared transmitting tube
It is vertically arranged, the infrared radiation receiving circuit includes lateral infrared receiving tube and longitudinal infrared receiving tube, and the transverse direction is infrared to be connect
Closed tube is vertically arranged with longitudinal infrared receiving tube, and the transverse direction infrared transmitting tube is set with the lateral infrared receiving tube pairing
It sets, the longitudinal direction infrared transmitting tube and longitudinal infrared receiving tube pairing are arranged.
In a kind of preferred embodiment of infrared touch panel tv display screen provided by the utility model, the TV display touching
Touching screen ontology is dismountable structure.
The working principle and beneficial effect of the infrared touch panel tv display screen of the utility model：
Existing tv display screen and infrared touch panel are combined, make TV screen have high-resolution, touch manner multiplicity,
Non-damageable infrared touch effect.The working principle of infrared touch panel is to be covered with infrared receiving tube and red in the surrounding of touch screen
Outer transmitting tube, these infrared tubes touch screen surface be in one-to-one Rankine-Hugoniot relations, formed one by infrared ray cloth at light
Net, when there is object (finger, with gloves or any touching object) to enter the infrared ray transmitter and receiver that infrared light net stops somewhere
When, the power for the infrared ray that this reception pipe for putting vertical and horizontal both direction receives will change, and controller is infrared by understanding
The variation of the reception condition of line just can know where is touched.The infrared touch panel of external hanging type installs very simple and institute
There is most convenient in infrared touch panel, it is only necessary to the front ends with glue or the fixed display of hook when using it for we
It uses.
In transmitting tube, pulse can be moved into transmitting tube in the rising edge of shift clock using displacement latch, and light
Transmitting tube.The output end of first displacement latch is connected with the input terminal of next stage, the pulse of write-in can be moved one under people
Grade.Therefore, driving of the microprocessor to more transmitting tubes can be achieved by the cascade of displacement latch.It is in conjunction with the above feature
Transmitting tube can be lighted one by one.There are also primary current, voltages to drive IC behind displacement latch, to displacement latch output
Scanning signal electric current increase, to drive infrared-emitting diode.At the time of transmitting tube is lit, microprocessor will pass through simultaneously
Address wire addressing and corresponding reception pipe on transmitting tube position, and the luminous flux that senses will be received and pass through amplifier and AD turns
Parallel operation is amplified and converted to digital signal, then sends microprocessor to by data line and handled, and thus judges whether there is touching
Touch generation.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Other attached drawings are obtained, wherein：
Fig. 1 is the structural schematic diagram of one preferred embodiment of infrared touch panel tv display screen provided by the utility model.
Specific embodiment
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 describing, it is clear that described embodiment is only a part of the embodiment 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
All other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, Fig. 1 is the structure of one preferred embodiment of infrared touch panel tv display screen provided by the utility model
Schematic diagram.
The infrared touch panel tv display screen includes that TV shows touch screen body 1, infrared transmitter 2, infrared
Line receives circuit 3 and controller 4.The infrared transmitter 2 and the infrared radiation receiving circuit 3 are set to the TV
Show 1 side of touch screen body, the infrared transmitter 2 and the infrared radiation receiving circuit 3 connect with the controller 4
It connects.
The infrared transmitter 2 includes lateral infrared transmitting tube 21 and longitudinal infrared transmitting tube 22.The transverse direction is red
Outer transmitting tube 21 and longitudinal 22 pipe of infrared emission are vertically arranged.
The infrared radiation receiving circuit 3 includes lateral infrared receiving tube 31 and longitudinal infrared receiving tube 32.The transverse direction is red
Outer reception pipe 31 is vertically arranged with longitudinal infrared receiving tube 32.The transverse direction infrared transmitting tube 21 with the transverse direction is infrared connects
The pairing setting of closed tube 22, the longitudinal direction infrared transmitting tube 31 are arranged with longitudinal pairing of infrared receiving tube 32.
The controller 4 includes transmit circuit controller 41 and receiving controller 42.
The transmit circuit controller 41 includes that displacement latch 411, demultiplexer 412 and constant current drive core
Piece 413.The displacement latch 411, demultiplexer 412 are connect with the constant-current driven chip 413, the perseverance
Stream driving chip 413 is connect with the infrared transmitter 2.
The receiving controller 42 includes receiving displacement latch 421, Port Multiplier 422, amplifying circuit 423 and AD to turn
Parallel operation 424.The reception displacement latch 421, Port Multiplier 422 are connect with the infrared radiation receiving circuit 3, the infrared ray
It receives circuit 3 to connect with the amplifying circuit 423, the amplifying circuit 423 is connect with AD converter 424.
The TV shows that touch screen body 1 is dismountable structure.
The working principle and beneficial effect of the infrared touch panel tv display screen of the utility model：
Existing tv display screen ontology 1 and infrared touch panel are combined, make TV screen that there is high-resolution, touch manner
Various, non-damageable infrared touch effect.The working principle of infrared touch panel is to be covered with infrared receiver in the surrounding of touch screen
Pipe and infrared transmitting tube, these infrared tubes are in one-to-one Rankine-Hugoniot relations in touch screen surface, form one by infrared ray cloth
At light net, when there is object (finger, with gloves or any touching object) to enter the infrared ray hair that infrared light net stops somewhere
When penetrating reception, the power for the infrared ray that this reception pipe for putting vertical and horizontal both direction receives will change, and controller passes through
The variation for solving the reception condition of infrared ray just can know where is touched.The infrared touch panel installation of external hanging type is very simple,
It is also most convenient in all infrared touch panels, it is only necessary to the front ends with glue or the fixed display of hook when using it for we
It can use.
In transmitting tube, pulse can be moved into transmitting tube, and point in the rising edge of shift clock using displacement latch 411
Bright transmitting tube.The output end of first displacement latch 411 is connected with the input terminal of next stage, the pulse of write-in can be moved people
Next stage.Therefore, driving of the microprocessor to more transmitting tubes can be achieved by the cascade of displacement latch 411.In conjunction with
Upper feature can light one by one transmitting tube.There are also primary current, voltages to drive IC, contraposition behind displacement latch 411
The scanning signal electric current for moving latch output increases, to drive infrared-emitting diode.At the time of transmitting tube is lit, micro process
Device will pass through by address wire addressing and corresponding reception pipe on transmitting tube position, and by the luminous flux sensed is received simultaneously
Amplifier 423 and AD converter 424 are amplified and converted to digital signal, then are sent at microprocessor by data line
Reason, thus judges whether there is touch.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other relevant technical fields, are also included in the patent protection scope of the utility model.
Claims (3)
1. a kind of infrared touch panel tv display screen, which is characterized in that show touch screen body, infrared ray transmitting electricity including TV
Road, infrared radiation receiving circuit and controller, the infrared transmitter and the infrared radiation receiving circuit are set to the electricity
Depending on showing touch screen body side, the infrared transmitter and the infrared radiation receiving circuit connect with the controller
It connects, the controller includes transmit circuit controller and receiving controller, and the transmit circuit controller includes displacement lock
Storage, demultiplexer and constant-current driven chip, the displacement latch, demultiplexer drive with the constant current
Dynamic chip connection, the constant-current driven chip are connect with the infrared transmitter, and the receiving controller includes connecing
Receive displacement latch, Port Multiplier, amplifying circuit and AD converter, the reception displacement latch, Port Multiplier and the infrared ray
Circuit connection is received, the infrared radiation receiving circuit is connect with the amplifying circuit, and the amplifying circuit is connect with AD converter.
2. infrared touch panel tv display screen according to claim 1, which is characterized in that the infrared transmitter
Including lateral infrared transmitting tube and longitudinal infrared transmitting tube, the transverse direction infrared transmitting tube and longitudinal infrared transmitting tube are vertical
Setting, the infrared radiation receiving circuit include lateral infrared receiving tube and longitudinal infrared receiving tube, the transverse direction infrared receiving tube
It being vertically arranged with longitudinal infrared receiving tube, the transverse direction infrared transmitting tube and the lateral infrared receiving tube pairing are arranged,
The longitudinal direction infrared transmitting tube and longitudinal infrared receiving tube pairing are arranged.
3. infrared touch panel tv display screen according to claim 1, which is characterized in that the TV shows touch screen
Ontology is dismountable structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820211061.6U CN208128415U (en) | 2018-02-06 | 2018-02-06 | Infrared touch panel tv display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820211061.6U CN208128415U (en) | 2018-02-06 | 2018-02-06 | Infrared touch panel tv display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208128415U true CN208128415U (en) | 2018-11-20 |
Family
ID=64207187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820211061.6U Expired - Fee Related CN208128415U (en) | 2018-02-06 | 2018-02-06 | Infrared touch panel tv display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208128415U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110297570A (en) * | 2019-06-28 | 2019-10-01 | 长春融成智能设备制造股份有限公司 | Flame proof infrared touching device based on light reflection principle |
-
2018
- 2018-02-06 CN CN201820211061.6U patent/CN208128415U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110297570A (en) * | 2019-06-28 | 2019-10-01 | 长春融成智能设备制造股份有限公司 | Flame proof infrared touching device based on light reflection principle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181120 Termination date: 20190206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |