CN106061023B - New indicating lamp control circuit - Google Patents
New indicating lamp control circuit Download PDFInfo
- Publication number
- CN106061023B CN106061023B CN201610550825.XA CN201610550825A CN106061023B CN 106061023 B CN106061023 B CN 106061023B CN 201610550825 A CN201610550825 A CN 201610550825A CN 106061023 B CN106061023 B CN 106061023B
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- China
- Prior art keywords
- subsystem
- optocoupler
- output terminal
- control circuit
- lamp control
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
Abstract
The present invention relates to a kind of new indicating lamp control circuit, wherein：First output terminal OUT1 of the first subsystem represents that the first subsystem is in normal condition when being low level, the second output terminal OUT2 of the second subsystem represents that the second subsystem is in normal condition when being low level.When in the first output terminal OUT1 or the second output terminal OUT2 it is at least one be high level when, LED lamp extinguish, prove at least one failure in monitored the first subsystem or the second subsystem at this time.So, it is only necessary to which an optocoupler can solve two separaant system voting displays.It is not only economical, but also can effectively reduce board space.
Description
【Technical field】
The present invention relates to electronic circuit field, more particularly to a kind of new indicating lamp control circuit.
【Background technology】
In many fields, independent subsystem (not altogether) control of system generally use two, while have many LED and refer to
Show that lamp indicates current system working status.This usually requires two optocouplers when realizing that two sets of subsystems export normal at the same time, instruction
Lamp (RUN) display voting is normally (output is consistent, and logic level is high represents normally).Conversely, have all the way failure be then also required to two
A optocoupler, realizes indicator light (ERR) display voting failure (output is inconsistent or is failure, and the logic level of failure is low).
In the prior art, it usually needs two optocouplers (or component with isolation features of similar optocoupler) realize the voting of indicator light
Indicate function.
【The content of the invention】
To solve foregoing problems, the present invention proposes a kind of new indicating lamp control circuit based on an optocoupler.
To reach object defined above, the present invention adopts the following technical scheme that：New indicating lamp control circuit, including it is monitored
First subsystem and the second subsystem, it is characterised in that further include optocoupler and light emitting diode；The first of first subsystem
Output terminal is connected with the cathode of the optocoupler, and the second output terminal of second subsystem is connected with the emitter of the optocoupler,
The anode of optocoupler is connected with the first DC power supply, the anode of the collector connecting luminous diode of the optocoupler, and described luminous two
The cathode of pole pipe is connected with the second DC power supply；First output terminal of first subsystem represents described first when being low level
Subsystem is in normal condition, and the second output terminal of second subsystem represents that second subsystem is in when being low level
Normal condition.
The present invention the first preferred solution be：The first current limliting is equipped between the anode of the optocoupler and first DC power supply
Resistance.
The present invention the second preferred solution be：The is equipped between the cathode of the light emitting diode and second DC power supply
Two current-limiting resistances.
The present invention the 3rd preferred solution be：New indicating lamp control circuit, including the first monitored subsystem and
Two subsystems, it is characterised in that further include optocoupler and light emitting diode；First output terminal of first subsystem and the light
The cathode connection of coupling, the second output terminal of second subsystem is connected with the collector of the optocoupler, the anode of optocoupler and the
One DC power supply connects, the anode of the collector connecting luminous diode of the optocoupler, the cathode connection of the light emitting diode
Second DC power supply, the emitter ground connection of the optocoupler；First output terminal of first subsystem is represents institute during low level
State the first subsystem and be in malfunction, the second output terminal of second subsystem represents second subsystem when being low level
System is in malfunction.
The present invention the 4th preferred solution be：The first current limliting is equipped between the anode of the optocoupler and first DC power supply
Resistance.
The present invention the 5th preferred solution be：The is equipped between the cathode of the light emitting diode and second DC power supply
Two current-limiting resistances.
The present invention possesses following technique effect：An optocoupler is only needed to solve two separaant system voting displays.
It is not only economical, but also can effectively reduce board space.
The present invention these features and advantage will be detailed in following embodiment, attached drawing exposure.
【Brief description of the drawings】
The present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is the circuit diagram of the embodiment of the present invention 1.
Fig. 2 is the circuit diagram of the embodiment of the present invention 2.
【Embodiment】
The technical solution of the embodiment of the present invention is explained and illustrated with reference to the attached drawing of the embodiment of the present invention, but under
Embodiment is stated to be merely a preferred embodiment of the present invention, and it is not all.Based on the embodiment in embodiment, those skilled in the art
Other embodiment is obtained on the premise of creative work is not made, belongs to protection scope of the present invention.
Embodiment 1.
Referring to Fig. 1, new indicating lamp control circuit, including monitored the first subsystem and the second subsystem, further include
Optocoupler and Light-emitting diode LED；The cathode of first output terminal OUT1 of the first subsystem and optocoupler connects, and the of the second subsystem
The emitter of two output terminal OUT2 and optocoupler connects, and the anode of optocoupler is connected with the first DC power supply VCC1, the collector of optocoupler
The anode of connecting luminous diode LED, the cathode of Light-emitting diode LED are connected with the second DC power supply VCC2；The anode of optocoupler
The first current-limiting resistance R1 is equipped between the first DC power supply VCC1.The cathode of Light-emitting diode LED and the second DC power supply VCC2
Between be equipped with the second current-limiting resistance R2.The pin that all passes through of first subsystem and the second subsystem is grounded.
First output terminal OUT1 of the first subsystem represents that the first subsystem is in normal condition, the second son when being low level
Second output terminal OUT2 of system represents that the second subsystem is in normal condition when being low level.As the first output terminal OUT1 or
At least one when being high level in two output terminal OUT2, LED lamp extinguishes, and proves the first monitored subsystem at this time
At least one failure in system or the second subsystem.
Embodiment 2.
Referring to Fig. 2, new indicating lamp control circuit, including monitored the first subsystem and the second subsystem, further include
Optocoupler and Light-emitting diode LED；The cathode of first output terminal OUT1 of the first subsystem and optocoupler connects, and the of the second subsystem
The collector of two output terminal OUT2 and optocoupler connects, and the anode of optocoupler is connected with the first DC power supply VCC1, the collector of optocoupler
The anode of connecting luminous diode LED, the cathode of Light-emitting diode LED connect the second DC power supply VCC2, the emitter of optocoupler
Ground connection；The first current-limiting resistance R1 is equipped between the anode of optocoupler and the first DC power supply VCC1.The cathode of Light-emitting diode LED and
The second current-limiting resistance R2 is equipped between two DC power supply VCC2.
First output terminal OUT1 of the first subsystem represents that the first subsystem is in malfunction, the second son when being low level
Second output terminal OUT2 of system represents that the second subsystem is in malfunction when being low level.As the first output terminal OUT1 or
At least one when being low level in two output terminal OUT2, LED lamp is lighted, and proves the first monitored subsystem at this time
At least one failure in system or the second subsystem.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, and is familiar with
The those skilled in the art should be understood that the present invention includes but not limited to attached drawing and interior described in embodiment above
Hold.The modification of any function and structure principle without departing from the present invention is intended to be included in the scope of claims.
Claims (6)
1. indicating lamp control circuit, including monitored the first subsystem and the second subsystem, it is characterised in that further include optocoupler
And light emitting diode；First output terminal of first subsystem is connected with the cathode of the optocoupler, second subsystem
Second output terminal is connected with the emitter of the optocoupler, and the anode of optocoupler is connected with the first DC power supply, the current collection of the optocoupler
The anode of pole connecting luminous diode, the cathode of the light emitting diode are connected with the second DC power supply；First subsystem
The first output terminal represent that first subsystem is in normal condition, the second output of second subsystem when being low level
Hold to represent that second subsystem is in normal condition during low level.
2. indicating lamp control circuit according to claim 1, it is characterised in that：The anode of the optocoupler and first direct current
The first current-limiting resistance is equipped between power supply.
3. indicating lamp control circuit according to claim 1, it is characterised in that：The cathode of the light emitting diode and described the
The second current-limiting resistance is equipped between two DC power supplies.
4. indicating lamp control circuit, including monitored the first subsystem and the second subsystem, it is characterised in that further include optocoupler
And light emitting diode；First output terminal of first subsystem is connected with the cathode of the optocoupler, second subsystem
Second output terminal is connected with the collector of the optocoupler, and the anode of optocoupler is connected with the first DC power supply, the current collection of the optocoupler
The anode of pole connecting luminous diode, the cathode of the light emitting diode connect the second DC power supply, the emitter of the optocoupler
Ground connection；First output terminal of first subsystem represents that first subsystem is in malfunction when being low level, described
Second output terminal of the second subsystem represents that second subsystem is in malfunction when being low level.
5. indicating lamp control circuit according to claim 4, it is characterised in that：The anode of the optocoupler and first direct current
The first current-limiting resistance is equipped between power supply.
6. indicating lamp control circuit according to claim 4, it is characterised in that：The cathode of the light emitting diode and described the
The second current-limiting resistance is equipped between two DC power supplies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610550825.XA CN106061023B (en) | 2016-07-08 | 2016-07-08 | New indicating lamp control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610550825.XA CN106061023B (en) | 2016-07-08 | 2016-07-08 | New indicating lamp control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106061023A CN106061023A (en) | 2016-10-26 |
| CN106061023B true CN106061023B (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610550825.XA Active CN106061023B (en) | 2016-07-08 | 2016-07-08 | New indicating lamp control circuit |
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| CN (1) | CN106061023B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111782225A (en) * | 2020-06-21 | 2020-10-16 | 陕西航空电气有限责任公司 | Error-proof programming method for double CPUs |
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| CN103605048A (en) * | 2013-12-03 | 2014-02-26 | 国家电网公司 | Street lamp circuit operation state detector based on fault indicator |
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| CN204406186U (en) * | 2015-02-13 | 2015-06-17 | 西安热工研究院有限公司 | A kind of fieldbus controller |
| CN104730373A (en) * | 2013-12-19 | 2015-06-24 | 控制技术有限公司 | Capacitor failure indication circuit, a plurality of capacitor failure indicator circuit and system |
| CN205946250U (en) * | 2016-07-08 | 2017-02-08 | 浙江众合科技股份有限公司 | Novel pilot lamp control circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI477051B (en) * | 2011-03-28 | 2015-03-11 | Neoenergy Microelectronics Inc | Flyback converter with primary side and secondary side control and method for the same |
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|---|---|---|---|---|
| US5493101A (en) * | 1993-12-15 | 1996-02-20 | Eaton Corporation | Positive temperature coefficient transition sensor |
| US5768342A (en) * | 1994-04-29 | 1998-06-16 | Mitel Corporation | Telephone system loop current detector |
| CN2672846Y (en) * | 2003-10-14 | 2005-01-19 | 上海埃通电气股份有限公司 | Detector for fuse or switch state |
| CN101587463A (en) * | 2009-06-22 | 2009-11-25 | 天津理工大学 | DeviceNet fieldbus input/output device with short-circuit protection and self-diagnostic function |
| CN101835318A (en) * | 2010-05-13 | 2010-09-15 | 佛山市托维环境亮化工程有限公司 | Intelligent detector of LED street lamp and working method thereof |
| CN201753063U (en) * | 2010-08-05 | 2011-03-02 | 北京国正信安系统控制技术有限公司 | Intelligent fault-tolerance fault safety driving board |
| CN103605048A (en) * | 2013-12-03 | 2014-02-26 | 国家电网公司 | Street lamp circuit operation state detector based on fault indicator |
| CN104730373A (en) * | 2013-12-19 | 2015-06-24 | 控制技术有限公司 | Capacitor failure indication circuit, a plurality of capacitor failure indicator circuit and system |
| CN204216662U (en) * | 2014-11-25 | 2015-03-18 | 广东易事特电源股份有限公司 | Ups static switch control circuit |
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| CN205946250U (en) * | 2016-07-08 | 2017-02-08 | 浙江众合科技股份有限公司 | Novel pilot lamp control circuit |
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| Publication number | Publication date |
|---|---|
| CN106061023A (en) | 2016-10-26 |
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