CN210112174U - Television suitable for infrared function key - Google Patents
Television suitable for infrared function key Download PDFInfo
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- CN210112174U CN210112174U CN201921308150.3U CN201921308150U CN210112174U CN 210112174 U CN210112174 U CN 210112174U CN 201921308150 U CN201921308150 U CN 201921308150U CN 210112174 U CN210112174 U CN 210112174U
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Abstract
The utility model relates to a television suitable for infrared function button, which comprises a body, a main board and a remote controller receiving module connected with the main board are arranged in the body shell, an infrared function key board is arranged outside the shell, the infrared function key board is connected with the main board after being connected with the remote controller receiving module, and a power module supplies power to the main board; an infrared function key board is arranged in a remote controller for controlling the television, and signal transmission is carried out between the infrared function key board and the remote controller receiving module. The utility model has the advantages that: the chip of the infrared function key board is an SH67P30 chip, and according to the infrared emission principle, the remote controller is shared, so that the production process is simplified, and the use is more convenient.
Description
Technical Field
The utility model relates to a TV set suitable for infrared function button.
Background
1. At present, the traditional television function keys are all based on interfaces of a mainboard, and when a remote controller cannot be used, a user is provided to operate the operation of a television system. Moreover, the functions of the keys need to be connected through a separate patch cord, and software is needed to separately configure each function of the keys, which causes great troubles in the production and technology of the television.
2. In different models of televisions, the function keys have the same appearance but different functions, so that the same television main board needs to be configured by developing a separate system due to the difference of the function keys.
Disclosure of Invention
For overcoming the defect of the prior art, the utility model provides a TV set suitable for infrared function button, the technical scheme of the utility model is:
a television suitable for infrared function keys comprises a television body, wherein a main board and a remote controller receiving module connected with the main board are installed in a shell of the television body; an infrared function key board is arranged in a remote controller for controlling the television, and signal transmission is carried out between the infrared function key board and the remote controller receiving module.
The infrared function keypad include infrared signal processing chip IC1, the PCBA circuit board of this infrared signal processing chip IC1 access remote controller infrared signal processing chip IC1 on be provided with the connection port that corresponds with the power button and the signal selection key of remote controller, the connection port that corresponds with the menu key and the connection port that corresponds with volume control key and program selection key, the REMO pin is accessed to the tenth pin of this infrared signal processing chip IC1, again after this REMO pin accesses connector J1 with remote controller receiving module carry out signal transmission.
The remote controller receiving module plug-in connector CON1, the plug-in connector CON2 and the infrared receiving tube IR1, the 1 st pin of the plug-in connector CON1 is connected with the anode of the polar capacitor C4, the anode of the infrared transmitting tube LED2, the anode of the Schottky diode D1 and the 5 th pin of the plug-in connector CON2, the 2 nd pin of the plug-in connector CON1 is connected with the cathode of the infrared transmitting tube LED2, the 3 rd pin of the plug-in connector CON1 is connected with the cathode of the polar capacitor C4, the 4 th pin and the 5 th pin of the plug-in connector CON1 and then grounded; the 2 nd pin of the card connector CON2 is connected to the anode of the red LED of the red/green bicolor LED1, the 3 rd pin of the card connector CON1 is connected to the anode of the green LED of the red/green bicolor LED1, the cathode of the red/green bicolor LED1 is connected to the 1 st pin, the 6 th pin and the 7 th pin of the card connector CON2, one end of the capacitor C3, one end of the capacitor C2, one end of the capacitor C1 and the 2 nd pin of the IR1 and then grounded, the 4 th pin of the card connector CON2 is connected to one end of the resistor R1, the other end of the capacitor C2 and the 3 rd pin of the IR1, the cathode of the schottky diode D1 is connected to the other end of the capacitor C3, the other end of the resistor R1, the other end of the capacitor C1 and the 1 st pin of the IR 1.
The utility model has the advantages that:
1. the chip of the infrared function key board is an SH67P30 chip, and according to the infrared emission principle, the remote controller is shared, so that the production process is simplified, and the use is more convenient.
2. The television key function integrating the function key and the infrared emission is achieved.
3. The loss of the key connecting wire and the program debugging process in the production process are reduced, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic view of the main structure of the present invention.
Fig. 2 is a schematic structural diagram of the infrared function key sheet in fig. 1.
Fig. 3 is a schematic structural diagram of a remote controller receiving module in fig. 1.
Detailed Description
The invention will be further described with reference to specific embodiments, the advantages and features of the invention will become more apparent as the description proceeds. These examples are merely illustrative and do not limit the scope of the invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications are intended to be included within the scope of the invention.
Referring to fig. 1 to 3, the present invention relates to a television suitable for infrared function keys, which includes a body, a main board 15 and a remote controller receiving module 13 connected to the main board 15 are installed in a housing of the body, an infrared function key board 12 is installed outside the housing, the infrared function key board 12 is connected to the main board 15 after being connected to the remote controller receiving module 13, and a power module 11 supplies power to the main board 15; an infrared function key board 12 is arranged in the remote controller for controlling the television, and signal transmission is carried out between the infrared function key board 12 and the remote controller receiving module 13.
As shown in fig. 2, the infrared function keypad includes an infrared signal processing chip IC1() chip of the infrared function key is SH67P30 chip, the infrared signal processing chip IC1 is connected with a PCBA circuit board of the remote controller, a connection port corresponding to a power key (a patch metal key with 4 pins) and a signal selection key (a patch metal key with 4 pins), a connection port corresponding to a menu key (a patch metal key with 4 pins), and a connection port corresponding to a volume adjusting key (a patch metal key with 4 pins) and a program selection key (a patch metal key with 4 pins) are arranged on the infrared signal processing chip IC1, the tenth pin of the infrared signal processing chip IC1 is connected to a REMO pin, and the REMO pin is connected to the connector J1 and then performs signal transmission with the remote control receiving module.
As shown in fig. 3, the remote control receiving module card connector CON1, the card connector CON2, and the infrared receiving tube IR1 are connected to the 1 st pin of the card connector CON1, the positive electrode of the polar capacitor C4, the positive electrode of the infrared transmitting tube LED2, the positive electrode of the schottky diode D1, and the 5 th pin of the card connector CON2, the 2 nd pin of the card connector CON1 is connected to the negative electrode of the infrared transmitting tube LED2, and the 3 rd pin of the card connector CON1 is connected to the negative electrode of the polar capacitor C4, the 4 th pin and the 5 th pin of the card connector CON1 and then grounded; the 2 nd pin of the card connector CON2 is connected to the anode of the red LED of the red/green bicolor LED1, the 3 rd pin of the card connector CON1 is connected to the anode of the green LED of the red/green bicolor LED1, the cathode of the red/green bicolor LED1 is connected to the 1 st pin, the 6 th pin and the 7 th pin of the card connector CON2, one end of the capacitor C3, one end of the capacitor C2, one end of the capacitor C1 and the 2 nd pin of the IR1 and then grounded, the 4 th pin of the card connector CON2 is connected to one end of the resistor R1, the other end of the capacitor C2 and the 3 rd pin of the IR1, the cathode of the schottky diode D1 is connected to the other end of the capacitor C3, the other end of the resistor R1, the other end of the capacitor C1 and the 1 st pin of the IR 1.
The utility model discloses a theory of operation is: when the power of the television is switched on, VDD of the mainboard can generate +5V voltage, when any key of (POWER, SOURCE, MENU, VOL +, VOL-, CH +, CH-) is pressed down, a signal can be transmitted to an infrared signal processing chip IC1 through a lead on a PCBA board, the infrared signal processing chip can send out the voltage change of a pin through a tenth pin, send the voltage change to a REMO pin, and then send the signal to a remote controller receiving module through a connector J1.
After the signal is transmitted to the connector CON1 through the connector J1, the signal is transmitted through the 2 nd pin of the connector CON1, at this time, the infrared transmitting tube LED2 transmits the signal to the infrared receiving tube IR1, the infrared transmitting tube LED2 functions to emit infrared light when the signal is transmitted, the infrared transmitting tube IR1 functions to receive infrared light, identify the flashing of the infrared light as the identification of the signal, and transmit the identified signal through processing into a digital signal, the infrared transmitting tube IR1 transmits the signal to the connector CON2 through the 3 rd pin, the connector CON2 transmits the signal to the main board through a wire, and the main board obtains the transmitted instruction to perform related operations.
Claims (3)
1. A television suitable for infrared function key, including the organism, characterized by, install the mother board and remote controller receiving module connected with mother board in the outer cover of the said organism, the infrared function key board is set up outside the outer cover, the infrared function key board is connected with said mother board after the receiving module of remote controller is connected, the power module supplies power to said mother board; an infrared function key board is arranged in a remote controller for controlling the television, and signal transmission is carried out between the infrared function key board and the remote controller receiving module.
2. The television set as claimed in claim 1, wherein the ir function key board includes an ir signal processing chip IC1, the ir signal processing chip IC1 is connected to a PCBA circuit board of the remote controller, the ir signal processing chip IC1 is provided with a connection port corresponding to a power key and a signal selection key of the remote controller, a connection port corresponding to a menu key, and a connection port corresponding to a volume adjustment key and a program selection key, the tenth pin of the ir signal processing chip IC1 is connected to a REMO pin, and the REMO pin is connected to a connector J1 and then performs signal transmission with the remote controller receiving module.
3. The television set as claimed in claim 1, wherein the remote controller receives a module connector CON1, a connector CON2 and an IR1, the 1 st pin of the connector CON1 is connected to the positive electrode of a polar capacitor C4, the positive electrode of an IR transmitting tube LED2, the positive electrode of a schottky diode D1 and the 5 th pin of the connector CON2, the 2 nd pin of the connector CON1 is connected to the negative electrode of an IR transmitting tube LED2, the 3 rd pin of the connector CON1 is connected to the negative electrode of a polar capacitor C4 and the 4 th pin and the 5 th pin of the connector CON1 and then grounded; the 2 nd pin of the card connector CON2 is connected to the anode of the red LED of the red/green bicolor LED1, the 3 rd pin of the card connector CON1 is connected to the anode of the green LED of the red/green bicolor LED1, the cathode of the red/green bicolor LED1 is connected to the 1 st pin, the 6 th pin and the 7 th pin of the card connector CON2, one end of the capacitor C3, one end of the capacitor C2, one end of the capacitor C1 and the 2 nd pin of the IR1 and then grounded, the 4 th pin of the card connector CON2 is connected to one end of the resistor R1, the other end of the capacitor C2 and the 3 rd pin of the IR1, the cathode of the schottky diode D1 is connected to the other end of the capacitor C3, the other end of the resistor R1, the other end of the capacitor C1 and the 1 st pin of the IR 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921308150.3U CN210112174U (en) | 2019-08-13 | 2019-08-13 | Television suitable for infrared function key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921308150.3U CN210112174U (en) | 2019-08-13 | 2019-08-13 | Television suitable for infrared function key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210112174U true CN210112174U (en) | 2020-02-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921308150.3U Active CN210112174U (en) | 2019-08-13 | 2019-08-13 | Television suitable for infrared function key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210112174U (en) |
-
2019
- 2019-08-13 CN CN201921308150.3U patent/CN210112174U/en active Active
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