CN203289450U - Infrared receiver - Google Patents
Infrared receiver Download PDFInfo
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- CN203289450U CN203289450U CN2013203551755U CN201320355175U CN203289450U CN 203289450 U CN203289450 U CN 203289450U CN 2013203551755 U CN2013203551755 U CN 2013203551755U CN 201320355175 U CN201320355175 U CN 201320355175U CN 203289450 U CN203289450 U CN 203289450U
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Abstract
The utility model discloses an infrared receiver. The infrared receiver mainly solves the problems that an infrared signal receiver in the prior art is larger in volume, and is not high in cost performance, and comprises an infrared signal acquisition circuit, a detector circuit and a low pass filter circuit which are connected orderly. The infrared signal acquisition circuit comprises a triode Q2 of which a collector is connected with the detector circuit, a triode Q1 of which an emitter is connected with the collector of the triode Q2 via a resistor R2, a resistor R3 and a capacitor C2 which are connected between the emitter of the triode Q1 and a base of the triode Q2 after being connected in series, a Schottky diode D1 and an electrolytic capacitor C1 which are connected between the base and the emitter of the triode Q1 after being connected in series, and a photoelectric receiving diode D2 and a capacitor C3 each of which one end is connected between the resistor R3 and the capacitor C2, and the other end is grounded. By the above scheme, the infrared receiver of the utility model achieves the purposes of being small in volume and higher in cost performance, and being suitable to the low-cost and miniature devices, and has very high practical value and popularization value.
Description
Technical field
The utility model relates to a kind of receiver, specifically, relates to infrared remote receiver.
Background technology
As everyone knows, infrared signal receiver is device very important in wireless communication technology, in order to improve reception, often need to connect in addition comparatively complicated suppressor, in the time of can causing like this use, overall volume is larger, and cost is higher, is unfavorable for some mini-plant uses cheaply.
The utility model content
The purpose of this utility model is to provide infrared remote receiver, mainly solves the infrared signal receiver volume that exists in prior art larger, and cost performance is not high, is unfavorable for the problem of some mini-plant uses cheaply.
To achieve these goals, the technical solution adopted in the utility model is as follows:
infrared remote receiver, comprise the infrared signal Acquisition Circuit that is connected successively, detecting circuit and low-pass filter circuit, described infrared signal Acquisition Circuit comprises the triode Q2 that collector electrode is connected with detecting circuit, the triode Q1 that emitter is connected with the collector electrode of triode Q2 by resistance R 2, be connected in base stage and the resistance R between collector electrode 4 of triode Q2, be connected in resistance R 3 and capacitor C 2 between the base stage of the emitter of triode Q1 and triode Q2 after series connection, be connected in the base stage of triode Q1 and the Schottky diode D1 between emitter and electrochemical capacitor C1 after series connection, one end all is connected between resistance R 3 and capacitor C 2, the photoelectric receiving diode D2 of the equal ground connection of the other end and capacitor C 3.
Further, described infrared signal Acquisition Circuit also comprises base stage and the resistance R between collector electrode 1 that is connected in triode Q1, all is connected in the emitter of triode Q2 and the electrochemical capacitor C4 between ground and resistance R 5.
Specifically, described detecting circuit comprises that output passes through the operational amplifier T1 that diode D3 is connected with the collector electrode of triode Q2 and inverting input is connected with the collector electrode of triode Q2 by resistance R 6, be connected in the output of operational amplifier T1 and the diode D4 between inverting input, described low-pass filter circuit is connected with the inverting input of operational amplifier T1.
in the utility model, described low-pass filter circuit comprises the resistance R 8 that inverting input passes through to be connected successively, resistance R 9, the operational amplifier T2 that resistance R 7 is connected with the inverting input of operational amplifier T1, the resistance R 11 of reverse input end by being connected successively, the operational amplifier T3 that resistance R 10 is connected with the output of operational amplifier T2, one end is connected between resistance R 9 and resistance R 8, the other end is connected in the capacitor C 5 of the output of operational amplifier T2, one end is connected between resistance R 10 and resistance R 11, the other end is connected in the capacitor C 8 of the output of operational amplifier T3, the in-phase input end of described operational amplifier T2 is connected with output, the in-phase input end of described operational amplifier T3 is connected with output.
Wherein, described low-pass filter circuit also comprises inverting input and the capacitor C between ground 6 that is connected in operational amplifier T2, is connected in inverting input and the capacitor C between ground 7 of operational amplifier T3.
Compared with prior art, the utlity model has following beneficial effect:
(1) the utility model is designed to one with infrared signal Acquisition Circuit, filter circuit, detecting circuit, and according to actual conditions, has selected the components and parts that cost is minimum, effect is best to carry out circuit design, accords with the demands of the market.
(2) the utility model is simple in structure, uses less components and parts to realize preferably the signal reception, and with low cost, volume is small and exquisite, and cost performance is higher, is fit to large-scale promotion application.
(3) adopt dual low-pass filter circuit in the utility model, greatly improved the antijamming capability of circuit, improved the stability of work.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples, and execution mode of the present utility model includes but not limited to the following example.
larger in order to solve the infrared signal receiver volume that exists in prior art, cost performance is not high, the problem that is unfavorable for some mini-plant uses cheaply, as shown in Figure 1, the utility model discloses a kind of infrared remote receiver, comprise the infrared signal Acquisition Circuit that is connected successively, detecting circuit and low-pass filter circuit, described infrared signal Acquisition Circuit comprises the triode Q2 that collector electrode is connected with detecting circuit, the triode Q1 that emitter is connected with the collector electrode of triode Q2 by resistance R 2, be connected in base stage and the resistance R between collector electrode 4 of triode Q2, be connected in resistance R 3 and capacitor C 2 between the base stage of the emitter of triode Q1 and triode Q2 after series connection, be connected in the base stage of triode Q1 and the Schottky diode D1 between emitter and electrochemical capacitor C1 after series connection, one end all is connected between resistance R 3 and capacitor C 2, the photoelectric receiving diode D2 of the equal ground connection of the other end and capacitor C 3.
Further, described infrared signal Acquisition Circuit also comprises base stage and the resistance R between collector electrode 1 that is connected in triode Q1, all is connected in the emitter of triode Q2 and the electrochemical capacitor C4 between ground and resistance R 5.
Specifically, described detecting circuit comprises that output passes through the operational amplifier T1 that diode D3 is connected with the collector electrode of triode Q2 and inverting input is connected with the collector electrode of triode Q2 by resistance R 6, be connected in the output of operational amplifier T1 and the diode D4 between inverting input, described low-pass filter circuit is connected with the inverting input of operational amplifier T1.
in the utility model, described low-pass filter circuit comprises the resistance R 8 that inverting input passes through to be connected successively, resistance R 9, the operational amplifier T2 that resistance R 7 is connected with the inverting input of operational amplifier T1, the resistance R 11 of reverse input end by being connected successively, the operational amplifier T3 that resistance R 10 is connected with the output of operational amplifier T2, one end is connected between resistance R 9 and resistance R 8, the other end is connected in the capacitor C 5 of the output of operational amplifier T2, one end is connected between resistance R 10 and resistance R 11, the other end is connected in the capacitor C 8 of the output of operational amplifier T3, the in-phase input end of described operational amplifier T2 is connected with output, the in-phase input end of described operational amplifier T3 is connected with output.
Wherein, described low-pass filter circuit also comprises inverting input and the capacitor C between ground 6 that is connected in operational amplifier T2, is connected in inverting input and the capacitor C between ground 7 of operational amplifier T3.
On the basis of foregoing circuit, the present embodiment also is connected with part auxiliary element and line, is used for guaranteeing the normal operation of circuit, and the use of these auxiliary elements and line belongs to the circuit application custom of industry universal, does not repeat them here.
, according to above-described embodiment, just can realize well the utility model.
Claims (5)
1. infrared remote receiver, it is characterized in that, comprise the infrared signal Acquisition Circuit that is connected successively, detecting circuit and low-pass filter circuit, described infrared signal Acquisition Circuit comprises the triode Q2 that collector electrode is connected with detecting circuit, the triode Q1 that emitter is connected with the collector electrode of triode Q2 by resistance R 2, be connected in base stage and the resistance R between collector electrode 4 of triode Q2, be connected in resistance R 3 and capacitor C 2 between the base stage of the emitter of triode Q1 and triode Q2 after series connection, be connected in the base stage of triode Q1 and the Schottky diode D1 between emitter and electrochemical capacitor C1 after series connection, one end all is connected between resistance R 3 and capacitor C 2, the photoelectric receiving diode D2 of the equal ground connection of the other end and capacitor C 3.
2. infrared remote receiver according to claim 1, it is characterized in that, described infrared signal Acquisition Circuit also comprises base stage and the resistance R between collector electrode 1 that is connected in triode Q1, all is connected in the emitter of triode Q2 and the electrochemical capacitor C4 between ground and resistance R 5.
3. infrared remote receiver according to claim 2, it is characterized in that, described detecting circuit comprises that output passes through the operational amplifier T1 that diode D3 is connected with the collector electrode of triode Q2 and inverting input is connected with the collector electrode of triode Q2 by resistance R 6, be connected in the output of operational amplifier T1 and the diode D4 between inverting input, described low-pass filter circuit is connected with the inverting input of operational amplifier T1.
4. infrared remote receiver according to claim 3, it is characterized in that, described low-pass filter circuit comprises the resistance R 8 that inverting input passes through to be connected successively, resistance R 9, the operational amplifier T2 that resistance R 7 is connected with the inverting input of operational amplifier T1, the resistance R 11 of reverse input end by being connected successively, the operational amplifier T3 that resistance R 10 is connected with the output of operational amplifier T2, one end is connected between resistance R 9 and resistance R 8, the other end is connected in the capacitor C 5 of the output of operational amplifier T2, one end is connected between resistance R 10 and resistance R 11, the other end is connected in the capacitor C 8 of the output of operational amplifier T3, the in-phase input end of described operational amplifier T2 is connected with output, the in-phase input end of described operational amplifier T3 is connected with output.
5. infrared remote receiver according to claim 4, it is characterized in that, described low-pass filter circuit also comprises inverting input and the capacitor C between ground 6 that is connected in operational amplifier T2, is connected in inverting input and the capacitor C between ground 7 of operational amplifier T3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203551755U CN203289450U (en) | 2013-06-20 | 2013-06-20 | Infrared receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203551755U CN203289450U (en) | 2013-06-20 | 2013-06-20 | Infrared receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203289450U true CN203289450U (en) | 2013-11-13 |
Family
ID=49545791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203551755U Expired - Lifetime CN203289450U (en) | 2013-06-20 | 2013-06-20 | Infrared receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203289450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377166A (en) * | 2017-12-26 | 2018-08-07 | 淮南师范学院 | A kind of infrared remote receiver |
-
2013
- 2013-06-20 CN CN2013203551755U patent/CN203289450U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377166A (en) * | 2017-12-26 | 2018-08-07 | 淮南师范学院 | A kind of infrared remote receiver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHENGDU BOST INFORMATION TECHNOLOGY CO., LTD. Free format text: FORMER NAME: CHENGDU BOOST TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 610000, Sichuan, Chengdu province Wuhou District Wu Qing Road (Wuhou hi tech Innovation Center incubator) Patentee after: CHENGDU BOOST INFORMATION TECHNOLOGY Co.,Ltd. Address before: 610000, Sichuan, Chengdu province Wuhou District Wu Qing Road (Wuhou hi tech Innovation Center incubator) Patentee before: CHENGDU BOOST TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |