CN109374965A - A kind of list infrared diode telecommunication circuit - Google Patents
A kind of list infrared diode telecommunication circuit Download PDFInfo
- Publication number
- CN109374965A CN109374965A CN201811116461.XA CN201811116461A CN109374965A CN 109374965 A CN109374965 A CN 109374965A CN 201811116461 A CN201811116461 A CN 201811116461A CN 109374965 A CN109374965 A CN 109374965A
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- China
- Prior art keywords
- triode
- resistance
- infrared diode
- chip microcontroller
- transistor
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
- G05B2219/21117—Universal I-O, same pin is input or output, bidirectional
Abstract
The invention discloses a kind of single infrared diode telecommunication circuits, including the first triode, the second triode, third transistor, infrared diode, first resistor, second resistance, 3rd resistor and single-chip microcontroller.Single-chip microcontroller controls the on-off of the first triode, the second triode and third transistor, circuit applies forward voltage or backward voltage to infrared diode, thus switching infrared diode realizes receive capabilities and sending function, the circuit communicated with single infrared diode is when in use, the operation is more convenient, and applicability is stronger.
Description
Technical field
The present invention relates to field of power electronics electric energy meter metering devices, are related to a kind of single infrared diode telecommunication circuit.
Background technique
Current electronic electric energy meter metering device generallys use a transmitting tube and a reception pipe cooperation, carries out half pair
Work communication, in actual operation, needs Dock With Precision Position transmitting tube and reception pipe to be just able to achieve communication, similar electric energy meter metering device
Communication mode there are biggish limitations.
Summary of the invention
The technical problems to be solved by the present invention are: providing, a kind of compatibility is strong, strong operability single infrared diode is logical
Believe circuit.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows: a kind of list infrared diode telecommunication circuit,
Including the first triode, the second triode, third transistor, infrared diode, first resistor, second resistance, 3rd resistor and
Single-chip microcontroller；
The collector of first triode is connected with power supply, the end TXD1 of the base stage of the first triode and the single-chip microcontroller
It is connected, the emitter of the first triode is connected by first resistor with the anode of the infrared diode, the infrared diode
Cathode be connected with the end I/O of the single-chip microcontroller, the end I/O of the single-chip microcontroller also respectively with the base stage and third of the second triode
The collector of triode is connected, and the collector of the third transistor is also connected with the end RXD1 of the single-chip microcontroller, and described first
The emitter of triode is connected by second resistance with the collector of the second triode, the emitter ground connection of the second triode；Institute
The anode for stating infrared diode is connected by 3rd resistor with the base stage of the third transistor, the transmitting of the third transistor
Pole ground connection.
The beneficial effects of the present invention are: single-chip microcontroller controls the logical of the first triode, the second triode and third transistor
Disconnected, circuit applies forward voltage or backward voltage to infrared diode, thus switches infrared diode and realizes receive capabilities and hair
Function is sent, when in use, the operation is more convenient, and applicability is stronger for the circuit communicated with single infrared diode.
Detailed description of the invention
Fig. 1 is single infrared diode telecommunication circuit figure of the embodiment of the present invention one.
Label declaration:
Q1, the first triode；Q2, the second triode；Q3, third transistor；
D1, infrared diode；D2, clamp diode；C, capacitor；
R1, first resistor；R2, second resistance；R3,3rd resistor；R4, the 4th resistance；R5, the 5th resistance；R6, the 6th electricity
Resistance；R7, the 7th resistance.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and cooperate attached
Figure is explained.
The most critical design of the present invention is: single-chip microcontroller controls the first triode, the second triode and third transistor
On-off, circuit apply forward voltage or backward voltage to infrared diode, thus switch infrared diode realize receive capabilities and
Sending function.
Please refer to Fig. 1, a kind of list infrared diode telecommunication circuit, including the first triode Q1, the second triode Q2, third
Triode Q3, infrared diode D1, first resistor R1, second resistance R2,3rd resistor R3 and single-chip microcontroller；
The collector of the first triode Q1 is connected with power supply, base stage and the single-chip microcontroller of the first triode Q1
The end TXD1 is connected, and the emitter of the first triode Q1 is connected by first resistor R1 with the anode of the infrared diode D1, institute
The cathode for stating infrared diode D1 is connected with the end I/O of the single-chip microcontroller, the end I/O of the single-chip microcontroller also respectively with the two or three pole
The base stage of pipe Q2 is connected with the collector of third transistor Q3, the collector of the third transistor Q3 also with the single-chip microcontroller
The end RXD1 is connected, and the emitter of the first triode Q1 is connected by second resistance R2 with the collector of the second triode Q2,
The emitter of second triode Q2 is grounded；The anode of the infrared diode D1 passes through 3rd resistor R3 and the third transistor
The base stage of Q3 is connected, the emitter ground connection of the third transistor Q3.
The working principle of the invention is summarized as follows: when the input low level of the end TXD1, the first triode ON, and the second triode
It is turned off with third transistor, infrared diode obtains forward voltage, and infrared diode is in the working condition for sending signal；I/O
End and the end RXD1 simultaneously input high level when, TXD1 is then set to high level, the shutdown of the first triode, the second triode and
Third transistor conducting, infrared diode obtain backward voltage, and infrared diode is in the working condition for receiving signal.
As can be seen from the above description, the beneficial effects of the present invention are: single-chip microcontroller control the first triode, the second triode and
The on-off of third transistor, circuit apply forward voltage or backward voltage to infrared diode, and it is real thus to switch infrared diode
Existing receive capabilities and sending function, when in use, the operation is more convenient, is applicable in for the circuit communicated with single infrared diode
Property is stronger.
It further, further include clamp diode D2 and the 4th resistance R4, the base stage of the third transistor Q3 is successively led to
It crosses clamp diode D2 and the 4th resistance R4 is connected with the emitter of third transistor Q3.
Seen from the above description, the clamp diode and the 4th resistance being cascaded prevent infrared signal is too strong from causing
Three triode saturation conductions reduce the time that third transistor exits saturation, improve traffic rate.
It further, further include the 5th resistance R5, the 6th resistance R6 and the 7th resistance R7, the 5th resistance R5 is connected to
Between the base stage of the first triode Q1 and the end TXD1 of the single-chip microcontroller；The 6th resistance R6 is connected to the described 2nd 3
Between the base stage of pole pipe Q2 and the end I/O of the single-chip microcontroller；The 7th resistance R7 is connected to the collection of the third transistor Q3
Between electrode and the end I/O of the single-chip microcontroller.
Seen from the above description, the 5th resistance, the 6th resistance and the 7th resistance are Current Limiting Diodes, are shielded.
Further, the resistance value of the 3rd resistor R3 is greater than the resistance value of the first resistor.
Seen from the above description, the branch where 3rd resistor is smaller to the shunting function of circuit where first resistor, subtracts
Few influence to infrared diode.
It further, further include capacitor C, the collector of the first triode Q1 is grounded by the capacitor C.
Embodiment one
Please refer to Fig. 1, the embodiment of the present invention one are as follows: a kind of list infrared diode telecommunication circuit, including the first triode
Q1, the second triode Q2, third transistor Q3, infrared diode D1, first resistor R1, second resistance R2,3rd resistor R3 and
Single-chip microcontroller；
The collector of the first triode Q1 is connected with power supply, base stage and the single-chip microcontroller of the first triode Q1
The end TXD1 is connected, and further includes capacitor C, and the collector of the first triode Q1 is grounded by the capacitor C, the first triode Q1
Emitter be connected with the anode of the infrared diode D1 by first resistor R1, the cathode of the infrared diode D1 and institute
State single-chip microcontroller the end I/O be connected, the end I/O of the single-chip microcontroller also respectively with the base stage and third transistor Q3 of the second triode Q2
Collector be connected, the collector of the third transistor Q3 is also connected with the end RXD1 of the single-chip microcontroller, the one or three pole
The emitter of pipe Q1 is connected by second resistance R2 with the collector of the second triode Q2, and the emitter of the second triode Q2 connects
Ground；The anode of the infrared diode D1 is connected by 3rd resistor R3 with the base stage of the third transistor Q3, the third
The emitter of triode Q3 is grounded, and the resistance value of the 3rd resistor R3 is greater than the resistance value of the first resistor R1, using Shan Hong outside
The communication device of diode telecommunication circuit only needs center alignment that can communicate, convenient and efficient.
It further include clamp diode D2 and the 4th resistance R4, the base stage of the third transistor Q3 passes sequentially through two pole of clamper
Pipe D2 and the 4th resistance R4 are connected with the emitter of third transistor Q3, the clamp diode D2 and the 4th resistance being cascaded
The rate of signal transmission can be improved in R4.
It in the present embodiment, further include the 5th resistance R5, the 6th resistance R6 and the 7th resistance R7, the 5th resistance R5 connects
It connects between the base stage of the first triode Q1 and the end TXD1 of the single-chip microcontroller；The 6th resistance R6 is connected to described
Between the base stage of two triode Q2 and the end I/O of the single-chip microcontroller；The 7th resistance R7 is connected to the third transistor Q3
Collector and the single-chip microcontroller the end I/O between.
In conclusion a kind of single infrared diode telecommunication circuit provided by the invention, single-chip microcontroller controls the first triode, the
The on-off of two triodes and third transistor, circuit apply forward voltage or backward voltage to infrared diode, thus switch red
Outer diode realizes receive capabilities and sending function, and when in use, operation is more for the circuit communicated with single infrared diode
Add simplicity, applicability is stronger；Traffic rate can be improved in the clamp diode and the 4th resistance being cascaded；The third of big resistance value
Resistance reduces the influence to infrared diode.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, similarly include
In scope of patent protection of the invention.
Claims (5)
1. a kind of list infrared diode telecommunication circuit, it is characterised in that: including the first triode, the second triode, the three or three pole
Pipe, infrared diode, first resistor, second resistance, 3rd resistor and single-chip microcontroller；
The collector of first triode is connected with power supply, the end the TXD1 phase of the base stage of the first triode and the single-chip microcontroller
Even, the emitter of the first triode is connected by first resistor with the anode of the infrared diode, the infrared diode
Cathode is connected with the end I/O of the single-chip microcontroller, the end I/O of the single-chip microcontroller also respectively with the base stage of the second triode and the three or three
The collector of pole pipe is connected, and the collector of the third transistor is also connected with the end RXD1 of the single-chip microcontroller, and the described 1st
The emitter of pole pipe is connected by second resistance with the collector of the second triode, the emitter ground connection of the second triode；It is described
The anode of infrared diode is connected by 3rd resistor with the base stage of the third transistor, the emitter of the third transistor
Ground connection.
2. list infrared diode telecommunication circuit according to claim 1, it is characterised in that: further include clamp diode and the
Four resistance, the base stage of the third transistor pass sequentially through the emitter phase of clamp diode and the 4th resistance and third transistor
Even.
3. list infrared diode telecommunication circuit according to claim 1, it is characterised in that: further include the 5th resistance, the 6th
Resistance and the 7th resistance, the 5th resistance be connected to first triode base stage and the single-chip microcontroller the end TXD1 it
Between；6th resistance is connected between the base stage of second triode and the end I/O of the single-chip microcontroller；7th resistance
It is connected between the collector of the third transistor and the end I/O of the single-chip microcontroller.
4. list infrared diode telecommunication circuit according to claim 1, it is characterised in that: the resistance value of the 3rd resistor is big
In the resistance value of the first resistor.
5. list infrared diode telecommunication circuit according to claim 1, it is characterised in that: it further include capacitor, described first
The collector of triode passes through the capacity earth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811116461.XA CN109374965B (en) | 2018-09-25 | 2018-09-25 | Single infrared diode communication circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811116461.XA CN109374965B (en) | 2018-09-25 | 2018-09-25 | Single infrared diode communication circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109374965A true CN109374965A (en) | 2019-02-22 |
| CN109374965B CN109374965B (en) | 2021-03-26 |
Family
ID=65402412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811116461.XA Active CN109374965B (en) | 2018-09-25 | 2018-09-25 | Single infrared diode communication circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109374965B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217571A (en) * | 2019-07-09 | 2021-01-12 | 博通集成电路（上海）股份有限公司 | CMOS single-tube infrared transceiver |
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| CN202275508U (en) * | 2011-10-28 | 2012-06-13 | 武汉阿迪克电子有限公司 | Multifunctional electric energy meter and infrared communication device thereof |
| US20140015422A1 (en) * | 2012-06-21 | 2014-01-16 | Qicheng Electrical Equipment Co., Ltd. | Photoswitch |
| CN202956887U (en) * | 2012-10-29 | 2013-05-29 | 成都卓程科技有限公司 | Data acquisition system based on infrared communication |
| CN103680020A (en) * | 2013-11-27 | 2014-03-26 | 成都捷康特科技有限公司 | Remote control infrared transmitting circuit of infrared alarm |
| CN204575706U (en) * | 2015-04-07 | 2015-08-19 | 浙江永阳科技有限公司 | Electronic type intelligent electric energy meter |
| CN105245090A (en) * | 2015-11-11 | 2016-01-13 | 重庆理工大学 | Drive circuit, based on infrared isolation communication, of switch type power conversion module |
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| CN106411411A (en) * | 2016-09-21 | 2017-02-15 | 广西大学 | Infrared voice and data transmission communication system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217571A (en) * | 2019-07-09 | 2021-01-12 | 博通集成电路（上海）股份有限公司 | CMOS single-tube infrared transceiver |
| CN112217571B (en) * | 2019-07-09 | 2022-02-22 | 博通集成电路（上海）股份有限公司 | CMOS single-tube infrared transceiver |
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| Publication number | Publication date |
|---|---|
| CN109374965B (en) | 2021-03-26 |
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