CN203870802U - Wireless infrared emission module - Google Patents
Wireless infrared emission module Download PDFInfo
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- CN203870802U CN203870802U CN201420257670.7U CN201420257670U CN203870802U CN 203870802 U CN203870802 U CN 203870802U CN 201420257670 U CN201420257670 U CN 201420257670U CN 203870802 U CN203870802 U CN 203870802U
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- coding chip
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- discharging transistor
- power discharging
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Abstract
A wireless infrared emission module relates to the field of components of household appliances. The signal output end VO of an infrared induction module in the wireless infrared emission module is connected to the base electrode of a power amplifier triode Q2 through a current-limiting resistor R5; the collecting electrode of the power amplifier triode Q2 is connected to the base electrode of a power amplifier triode Q1 through a current-limiting resistor R4; the collecting electrode of the power amplifier triode Q1 is connected to the positive poles of diodes D3 and D4; the negative pole of the diode D3 is connected to a K1 pin of a coding chip EV1527; the negative pole of the diode D4 is connected to the K0 pin of the coding chip EV 1527; the positive pole of the diode D3 is respectively connected with a current-limiting resistor R1, an oscillation resistor R2, the coding chip EV1527 a 433M wireless transmission module and a filter capacitor C4; during the application of the module, the switch of a corresponding electric appliance can be controlled through sensing human body infrared rays. Therefore, conveniences are brought to people's daily life.
Description
[technical field]
The utility model relates to household electrical appliance assembly field, especially relates to a kind of Radio infrared transmitter module that can respond to launch by human body infrared corresponding signal.
[background technology]
Known, the daily family life that human body infrared induction technology has been applied to people has suffered, its product includes human body infrared induction mini light night, infrared socket etc., in actual applications, although these products have brought convenience to daily life, can because it just can open self light fixture or socket, therefore, the practical ranges of these products is also relatively narrow, thereby causes human body infrared induction technology to be difficult for being able in daily life large-scale application; In addition, be all the wireless sending module of regular coding due to what adopt in the existing most electrical equipment that possesses infrared induction function, therefore it has the defect of easy repetition in actual applications, and this has further caused its poor applicability.
[summary of the invention]
In order to overcome the deficiency in background technology, the utility model discloses a kind of Radio infrared transmitter module, described module can be controlled by induction human body infrared the switch of corresponding electric appliance in application, thereby to the daily life condition of providing convenience, described module is applicable at present the great majority on the market household electrical appliance with learning-oriented wireless receiving control module.
For achieving the above object, the utility model adopts following technical scheme:
A kind of Radio infrared transmitter module, described module comprises current-limiting resistance R1, R4, R5 and pull-up resistor R3, concussion resistance R 2, light emitting diode D1, filter capacitor C4, diode D3, diode D4, power discharging transistor Q1, power discharging transistor Q2, coding chip EV1527,433M wireless sending module and infrared induction module; The signal output part VO of described infrared induction module is connected to the base stage of power discharging transistor Q2 by current-limiting resistance R5, the grounded emitter of power discharging transistor Q2, and power discharging transistor Q2 collector is connected to the base stage of power discharging transistor Q1 by current-limiting resistance R4; Power supply VCC is connected to the emitter of power discharging transistor Q1 after by KEY2 switch, and is connected to the base stage of power discharging transistor Q1 by pull-up resistor R3, and the collector of power discharging transistor Q1 is connected to the positive pole of diode D3 and D4;
The negative pole of diode D3 is connected to the K1 pin of coding chip EV1527, the negative pole of diode D4 is connected to the K0 pin of coding chip EV1527, and the positive pole of diode D3 is also connected with one end of one end, the VCC pin of coding chip EV1527 and the VCC pin of 433M wireless transmitter module and the filter capacitor C4 of one end of current-limiting resistance R1, concussion resistance R 2 respectively successively; The other end of current-limiting resistance R1 is connected to the positive pole of light emitting diode D1, and the negative pole of light emitting diode D1 is connected to GND; The other end of concussion resistance R 2 is connected to the OSCI pin of coding chip EV1527; The other end of filter capacitor C4 is connected to the GND of coding chip EV1527; The TXD pin of coding chip EV1527 is connected with the DATA of 433M wireless transmitter module.
Further, described coding chip EV1527 is the learning code coding chip EV1527 that a slice can pre-burning ISN, and its ISN can pre-burning code combinations in 1048576 groups.
Further, described 433M wireless transmitter module is 433MHZ superregeneration wireless transmitter module, and its level shifting circuit control being made up of triode.
Further, in described module, be provided with can manual adjustments sensitivity illumination sensor circuit.
Owing to adopting technical scheme as above, the utlity model has following beneficial effect:
Radio infrared transmitter module described in the utility model is easy to use, and fast response time starts in time; Described module can be launched wireless command signal by induction human body infrared, thereby reach the object of controlling corresponding electric appliance facility switching, in addition, described module can also be installed in corresponding ornament and use as disguised stronger burglar alarm, this not only provides convenience to daily life, but also the corresponding security performance that effectively raises house.
[brief description of the drawings]
Fig. 1 is circuit theory diagrams of the present utility model.
[embodiment]
Can explain in more detail the present invention by the following examples, open the purpose of this utility model is intended to protect all changes and improvements within the scope of the utility model, and the utility model is not limited to the following examples:
Radio infrared transmitter module described in 1 by reference to the accompanying drawings, described module comprises current-limiting resistance R1, R4, R5 and pull-up resistor R3, concussion resistance R 2, light emitting diode D1, filter capacitor C4, diode D3, diode D4, power discharging transistor Q1, power discharging transistor Q2, coding chip EV1527,433M wireless sending module and infrared induction module; The signal output part VO of described infrared induction module is connected to the base stage of power discharging transistor Q2 by current-limiting resistance R5, the grounded emitter of power discharging transistor Q2, and power discharging transistor Q2 collector is connected to the base stage of power discharging transistor Q1 by current-limiting resistance R4; Power supply VCC is connected to the emitter of power discharging transistor Q1 after by KEY2 switch, and is connected to the base stage of power discharging transistor Q1 by pull-up resistor R3, and the collector of power discharging transistor Q1 is connected to the positive pole of diode D3 and D4;
The negative pole of diode D3 is connected to the K1 pin of coding chip EV1527, the negative pole of diode D4 is connected to the K0 pin of coding chip EV1527, and the positive pole of diode D3 is also connected with one end of one end, the VCC pin of coding chip EV1527 and the VCC pin of 433M wireless transmitter module and the filter capacitor C4 of one end of current-limiting resistance R1, concussion resistance R 2 respectively successively; The other end of current-limiting resistance R1 is connected to the positive pole of light emitting diode D1, and the negative pole of light emitting diode D1 is connected to GND; The other end of concussion resistance R 2 is connected to the OSCI pin of coding chip EV1527; The other end of filter capacitor C4 is connected to the GND of coding chip EV1527; The TXD pin of coding chip EV1527 is connected with the DATA of 433M wireless transmitter module;
For induction light shines, described module only can be started in the time that ambient brightness is not enough, the illumination sensor circuit of being convenient to by manual adjustments sensitivity can be set in described module, in infrared induction module, can be provided for the photoresistance LDR1 of induction light photograph, in the time that ambient brightness is sufficient, LDR1 resistance is less, the bleeder circuit of composition makes the trigger voltage of infrared induction module lower, be that infrared induction module is not worked, in the time that ambient brightness is not enough, LDR1 resistance value ratio is larger, and the voltage after dividing potential drop can make infrared induction module normally work; In addition, described coding chip EV1527 is the learning code coding chip EV1527 that a slice can pre-burning ISN, and its ISN can pre-burning code combinations in 1048576 groups, thereby not only make described module dissipation lower, be difficult for repeated code, can effectively control at present the object of multiple existing wireless learning decoding apparatus on the market but also reached; For the performance of raising and stable wireless transmit, in described module, can use the 433MHZ superregeneration wireless transmitter module of the level shifting circuit control being formed by triode.
While implementing Radio infrared transmitter module described in the utility model, because existing infrared induction module output level is lower, therefore it, in order to control coding and the wireless transmitter module that operating voltage is 12V, just need to carry out level conversion between 0-3.3v; In the time having people to approach the infrared induction probe in infrared induction module, infrared induction module will be exported corresponding trigger pulse, now, if while being output as low level, the base emitter potential of power discharging transistor Q1 is lower than Q1 conduction threshold, and Q1 ends, and current collection is high level very; If while being output as high level, power discharging transistor Q1 conducting, current collection is low level very; Because the collector of power discharging transistor Q1 is connected with the base stage of power discharging transistor Q2, therefore, when Q1 current collection is very when low level, Q2 base stage is also low level, i.e. Q2 conducting, now there is electric current to flow out from Q2 collector, when Q1 current collection is very when high level, Q2 base stage is also high level, i.e. Q2 cut-off, now there is no outflow of bus current, thereby make power discharging transistor Q1 and power discharging transistor the Q2 anti-phase and level translator of triode of composition that cooperatively interacts; In the time of power discharging transistor Q2 conducting, for coding circuit and radio transmitter provide working current, now, and circuit working wireless signal emission, thus the electrical equipment action of corresponding reception device is installed by wireless signal control.
The utility model does not describe part in detail for prior art, therefore the utility model is not described in detail.
Claims (4)
1. a Radio infrared transmitter module, is characterized in that: described module comprises current-limiting resistance R1, R4, R5 and pull-up resistor R3, concussion resistance R 2, light emitting diode D1, filter capacitor C4, diode D3, diode D4, power discharging transistor Q1, power discharging transistor Q2, coding chip EV1527,433M wireless sending module and infrared induction module; The signal output part VO of described infrared induction module is connected to the base stage of power discharging transistor Q2 by current-limiting resistance R5, the grounded emitter of power discharging transistor Q2, and power discharging transistor Q2 collector is connected to the base stage of power discharging transistor Q1 by current-limiting resistance R4; Power supply VCC is connected to the emitter of power discharging transistor Q1 after by KEY2 switch, and is connected to the base stage of power discharging transistor Q1 by pull-up resistor R3, and the collector of power discharging transistor Q1 is connected to the positive pole of diode D3 and D4;
The negative pole of diode D3 is connected to the K1 pin of coding chip EV1527, the negative pole of diode D4 is connected to the K0 pin of coding chip EV1527, and the positive pole of diode D3 is also connected with one end of one end, the VCC pin of coding chip EV1527 and the VCC pin of 433M wireless transmitter module and the filter capacitor C4 of one end of current-limiting resistance R1, concussion resistance R 2 respectively successively; The other end of current-limiting resistance R1 is connected to the positive pole of light emitting diode D1, and the negative pole of light emitting diode D1 is connected to GND; The other end of concussion resistance R 2 is connected to the OSCI pin of coding chip EV1527; The other end of filter capacitor C4 is connected to the GND of coding chip EV1527; The TXD pin of coding chip EV1527 is connected with the DATA of 433M wireless transmitter module.
2. Radio infrared transmitter module according to claim 1, is characterized in that: described coding chip EV1527 is the learning code coding chip EV1527 that a slice can pre-burning ISN, and its ISN can pre-burning code combinations in 1048576 groups.
3. Radio infrared transmitter module according to claim 1, is characterized in that: described 433M wireless transmitter module is 433MHZ superregeneration wireless transmitter module, and its level shifting circuit control being made up of triode.
4. Radio infrared transmitter module according to claim 1, is characterized in that: in described module, be provided with can manual adjustments sensitivity illumination sensor circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420257670.7U CN203870802U (en) | 2014-05-20 | 2014-05-20 | Wireless infrared emission module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420257670.7U CN203870802U (en) | 2014-05-20 | 2014-05-20 | Wireless infrared emission module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203870802U true CN203870802U (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420257670.7U Expired - Fee Related CN203870802U (en) | 2014-05-20 | 2014-05-20 | Wireless infrared emission module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203870802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112354A (en) * | 2014-05-20 | 2014-10-22 | 中电华软照明科技洛阳有限公司 | Wireless infrared transmission module |
-
2014
- 2014-05-20 CN CN201420257670.7U patent/CN203870802U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112354A (en) * | 2014-05-20 | 2014-10-22 | 中电华软照明科技洛阳有限公司 | Wireless infrared transmission module |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20160520 |