CN203825814U - Infrared emission learning circuit of remote controller - Google Patents
Infrared emission learning circuit of remote controller Download PDFInfo
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- CN203825814U CN203825814U CN201420136113.XU CN201420136113U CN203825814U CN 203825814 U CN203825814 U CN 203825814U CN 201420136113 U CN201420136113 U CN 201420136113U CN 203825814 U CN203825814 U CN 203825814U
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- infrared
- infrared emission
- mcu
- learning
- emission
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Abstract
The utility model provides an infrared emission learning circuit of a remote controller. The infrared emission learning circuit comprises a keyboard, an MCU (micro control unit), a shaping amplification unit and an infrared emission learning unit, wherein the keyboard is connected with the MCU; the shaping amplification unit is connected with an IO port I of the MCU and is connected with the infrared emission learning unit; the infrared emission learning unit is connected with an IO port II of the MCU; the infrared emission learning unit comprises two parallel-connected infrared emission tubes. The two infrared emission tubes can be used for realizing infrared emission and infrared receiving; during normal remote control, the two infrared emission tubes work as emission tubes, so that the emission power can be increased, and the emission distance can be increased; during learning of an infrared signal, the two infrared emission tubes work as receiving tubes, so that the receiving angle range is enlarged, and the infrared learning success rate is greatly increased.
Description
Technical field
The utility model relates to a kind of infrared circuit, relates in particular to a kind of infrared emission learning circuit of telepilot.
Background technology
Existing household electrical appliance are more and more abundanter, also just more and more higher to the requirement of telepilot, but current telepilot separates infrared emission and infrared learning conventionally, and like this, under learning state, the infrared tube of realizing infrared emission function leaves unused; Under emission state, the infrared tube of infrared learning function leaves unused, and that is to say, the service efficiency of infrared transmitting tube is not high, and the distance of infrared emission, the angle of infrared reception and the success ratio of infrared learning etc. are all undesirable.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of infrared transmitting tube to be used for realizing infrared emission and infrared receiving function simultaneously, improves the infrared emission learning circuit of the telepilot of emissive power, transmitting range and learning success rate.
To this, the utility model provides a kind of infrared emission learning circuit of telepilot, comprising: keyboard, MCU, shaping amplifying unit and infrared emission unit; Described keyboard is connected with MCU; Described shaping amplifying unit is connected with the IO1 mouth of MCU, and is connected with infrared emission unit; Described infrared emission unit is connected with the IO2 mouth of MCU, and this infrared emission unit comprises two infrared transmitting tubes parallel with one another.
The namely hardware cell of shaping amplification circuit of described shaping amplifying unit; Described infrared emission unit adopts two infrared transmitting tubes parallel with one another, and these two infrared transmitting tubes can be used as infrared emission, also can be used as infrared reception; In the time of remote control at ordinary times, be used for doing power valve use, can improve like this emissive power, increase transmitting range; In the time of study infrared signal, these two infrared transmitting tubes are used for doing receiving tube use, can increase the angular range of reception, greatly improve infrared learning success ratio.
When this infrared emission learning circuit is used for realizing infrared emission, IO1 mouth is set to high-impedance state, and inner disconnection is connected with external circuit; IO2 mouth is set to output, and at this moment infrared signal, from the output of IO2 mouth, completes the transmitting of infrared signal.When this infrared emission learning circuit is used for realizing infrared learning, IO1 mouth is set to input, the setting of IO2 mouth is output as low level, at this moment the circuit of infrared emission function is in cut-off state, infrared transmitting tube uses as infrared reception, and the infrared signal sensing is converted to electric signal, is input to the IO1 mouth of MCU through shaping amplifying unit, the input port of MCU enters sampling to input signal, realizes the study of infrared signal; If the inner band of MCU shaping amplifying unit, shaping amplifying unit can omit.
Further improvement of the utility model is, two infrared transmitting tubes of described infrared emission unit are connected to the collector of triode, the grounded emitter of described triode, and the base stage of described triode is connected to the IO2 mouth of MCU by resistance.
Further improvement of the utility model is, two infrared transmitting tubes of described infrared emission unit are connected to shaping amplifying unit by resistance, and are connected to power supply by resistance.
Further improvement of the utility model is, two infrared transmitting tubes of described infrared emission unit are connected to the IO1 mouth of MCU by resistance.When described MCU built-in when shaping amplifying unit, described two infrared transmitting tubes can be connected directly to by resistance the IO1 mouth of MCU.
Compared with prior art, the beneficial effects of the utility model are: described infrared emission unit adopts two infrared transmitting tubes parallel with one another, and these two infrared transmitting tubes can be for realizing infrared emission, also can be for realizing infrared reception; Therefore,, in the time of remote control, two infrared transmitting tubes are all equivalent to power valve in work, can improve emissive power, increase transmitting range; In the time of study infrared signal, these two infrared transmitting tubes are all equivalent to receiving tube in work, can increase the angular range of reception, greatly improve the success ratio of infrared learning.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the structural representation of a kind of embodiment of the utility model;
Fig. 3 is the structural representation of the another kind of embodiment of the utility model.
Embodiment
Below in conjunction with accompanying drawing, preferably embodiment of the present utility model is described in further detail.
Embodiment 1:
As depicted in figs. 1 and 2, this example provides a kind of infrared emission learning circuit of telepilot, comprising: keyboard, MCU, shaping amplifying unit and infrared emission unit; Described keyboard is connected with MCU; Described shaping amplifying unit is connected with the IO1 mouth of MCU, and is connected with infrared emission unit; Described infrared emission unit is connected with the IO2 mouth of MCU, and this infrared emission unit comprises two infrared transmitting tubes parallel with one another.In Fig. 2, two infrared transmitting tubes parallel with one another are infrared transmitting tube D1 and infrared transmitting tube D2.
The namely hardware cell of shaping amplification circuit of described shaping amplifying unit; Described infrared emission unit adopts two infrared transmitting tubes parallel with one another, and these two infrared transmitting tubes can be used as infrared emission, also can be used as infrared reception; In the time of remote control at ordinary times, be used for doing power valve use, can improve like this emissive power, increase transmitting range; In the time of study infrared signal, these two infrared transmitting tubes are used for doing receiving tube use, can increase the angular range of reception, greatly improve infrared learning success ratio.
When this infrared emission learning circuit is used for realizing infrared emission, IO1 mouth is set to high-impedance state, and inner disconnection is connected with external circuit; IO2 mouth is set to output, and at this moment infrared signal, from the output of IO2 mouth, completes the transmitting of infrared signal.When this infrared emission learning circuit is used for realizing infrared learning, IO1 mouth is set to input, the setting of IO2 mouth is output as low level, at this moment the circuit of infrared emission function is in cut-off state, infrared transmitting tube uses as infrared reception, and the infrared signal sensing is converted to electric signal, is input to the IO1 mouth of MCU through shaping amplifying unit, the input port of MCU enters sampling to input signal, realizes the study of infrared signal; If the inner band of MCU shaping amplifying unit, shaping amplifying unit can omit.
Compared with prior art, this routine beneficial effect is: described infrared emission unit adopts two infrared transmitting tubes parallel with one another, and these two infrared transmitting tubes can be for realizing infrared emission, also can be for realizing infrared reception; Therefore,, in the time of remote control, two infrared transmitting tubes are all equivalent to power valve in work, can improve emissive power, increase transmitting range; In the time of study infrared signal, these two infrared transmitting tubes are all equivalent to receiving tube in work, can increase the angular range of reception, greatly improve infrared learning success ratio.
Embodiment 2:
As shown in Figure 2, on the basis of embodiment 1, two infrared transmitting tubes of this routine described infrared emission unit are connected to the collector of triode Q1, the grounded emitter of described triode Q1, and the base stage of described triode Q1 is connected to the IO2 mouth of MCU by resistance R 3; Two infrared transmitting tubes of described infrared emission unit are connected to shaping amplifying unit by resistance R 2, and are connected to power supply by resistance R 1.
Embodiment 3:
As shown in Figure 3, as different from Example 2, this routine described MCU is built-in shaping amplifying unit, two infrared transmitting tubes of described infrared emission unit are connected to the IO1 mouth of MCU by resistance R 2.In Fig. 3, omitted the schematic diagram of keyboard, in fact, the present embodiment also comprises keyboard.
The embodiment of the above is preferred embodiments of the present utility model; not limit concrete practical range of the present utility model with this; scope of the present utility model comprises and is not limited to this embodiment, and the equivalence that all shapes according to the utility model, structure are done changes all in protection domain of the present utility model.
Claims (4)
1. an infrared emission learning circuit for telepilot, is characterized in that, comprising: keyboard, MCU, shaping amplifying unit and infrared emission unit; Described keyboard is connected with MCU; Described shaping amplifying unit is connected with the IO1 mouth of MCU, and is connected with infrared emission unit; Described infrared emission unit is connected with the IO2 mouth of MCU, and this infrared emission unit comprises two infrared transmitting tubes parallel with one another.
2. infrared emission learning circuit according to claim 1, it is characterized in that, two infrared transmitting tubes of described infrared emission unit are connected to the collector of triode, the grounded emitter of described triode, and the base stage of described triode is connected to the IO2 mouth of MCU by resistance.
3. infrared emission learning circuit according to claim 1 and 2, is characterized in that, two infrared transmitting tubes of described infrared emission unit are connected to shaping amplifying unit by resistance, and are connected to power supply by resistance.
4. infrared emission learning circuit according to claim 1 and 2, is characterized in that, two infrared transmitting tubes of described infrared emission unit are connected to the IO1 mouth of MCU by resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420136113.XU CN203825814U (en) | 2014-03-24 | 2014-03-24 | Infrared emission learning circuit of remote controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420136113.XU CN203825814U (en) | 2014-03-24 | 2014-03-24 | Infrared emission learning circuit of remote controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203825814U true CN203825814U (en) | 2014-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420136113.XU Expired - Fee Related CN203825814U (en) | 2014-03-24 | 2014-03-24 | Infrared emission learning circuit of remote controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203825814U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070014A (en) * | 2015-08-03 | 2015-11-18 | 深圳市创荣发电子有限公司 | RF4CE-based universal learning remote controller, and universal learning remote control method |
| CN105279938A (en) * | 2015-11-19 | 2016-01-27 | 江西洪都航空工业集团有限责任公司 | Learning type infrared transponder with no infrared receiving sensor |
-
2014
- 2014-03-24 CN CN201420136113.XU patent/CN203825814U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070014A (en) * | 2015-08-03 | 2015-11-18 | 深圳市创荣发电子有限公司 | RF4CE-based universal learning remote controller, and universal learning remote control method |
| CN105279938A (en) * | 2015-11-19 | 2016-01-27 | 江西洪都航空工业集团有限责任公司 | Learning type infrared transponder with no infrared receiving sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |