CN203645875U - Flight control system console indicating lamp control circuit - Google Patents
Flight control system console indicating lamp control circuit Download PDFInfo
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- CN203645875U CN203645875U CN201320791992.5U CN201320791992U CN203645875U CN 203645875 U CN203645875 U CN 203645875U CN 201320791992 U CN201320791992 U CN 201320791992U CN 203645875 U CN203645875 U CN 203645875U
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- flight control
- circuit
- drive circuit
- indicating lamp
- indicator light
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Abstract
The utility model belongs to the technical field of flight control, and relates to improvement of a flight control system console indicating lamp control circuit. The control circuit is characterized by comprising a first optoelectronic coupler (6) and a second optoelectronic coupler (7), so that the control circuit achieves isolation of power sources of a flight control computer circuit, a first switch drive circuit and a second switch drive circuit. The utility model provides the improved flight control system console indicating lamp control circuit capable of preventing mis-lightening of an indicating lamp or mis-triggering of indicating lamp monitoring signals, so that the false alarm rate is reduced, and normal usage of a flight control system is ensured.
Description
Technical field
The utility model belongs to flight control technology, relates to the improvement to flight control system console indicating lamp control circuit.
Background technology
Current a kind of flight control system console indicating lamp control circuit is referring to Fig. 1, and it is made up of the first switch driving circuit 2, indicator light 3 and second switch drive circuit 4.The control signal input 2a of the first switch driving circuit 2 is connected with the indicator light control signal output of flight control computer, the power input 2b of the first switch driving circuit 2 is connected with+28V, the power output end 2c of the first switch driving circuit 2 is connected with one end of indicator light 3 and the control signal input 4a of second switch drive circuit 4 respectively, the earth terminal 2d ground connection of the first switch driving circuit 2.The other end ground connection of indicator light 3.The power input 4b of second switch drive circuit 4 with+28V is connected the power output end 4c of second switch drive circuit 4 and the indicator light pilot signal input of flight control computer is connected, the earth terminal 4d ground connection of second switch drive circuit 4.Its operation principle is: in the time that indicator light control signal is high level, the power output end 2c connection+28V of the first switch driving circuit, light indicator light, simultaneously+28V delivers to second switch drive circuit input 4a, and second switch drive circuit output indicator is lighted pilot signal.In the time that indicator light control signal is low level, the disconnect+28V of power output end 2c of the first switch driving circuit, indicator light does not work, simultaneously the second switch drive circuit output indicator pilot signal that do not work.Its shortcoming is: due to flight control computer circuit, the first switch driving circuit 2 and second switch drive circuit 4 all altogether, not isolation, in the time occurring disturbing, easily cause that indicator light is overdue bright, and cause the false triggering of indicator light pilot signal, thereby the false alarm that causes flight control system, affects the normal use of flight control system.
Summary of the invention
The purpose of this utility model is: propose a kind of improved flight control system console indicating lamp control circuit, to prevent the false triggering of the overdue bright and indicator light pilot signal of indicator light, thereby reduce false alarm rate, ensure the normal use of flight control system.
The technical solution of the utility model is: flight control system console indicating lamp control circuit, comprise the first switch driving circuit 2, indicator light 3 and second switch drive circuit 4, the earth terminal 2d ground connection of the first switch driving circuit 2, the power input 4b of second switch drive circuit 4 is connected with+28V, the power output end 4c of second switch drive circuit 4 is connected with the indicator light pilot signal input of flight control computer, the earth terminal 4d ground connection of second switch drive circuit 4, it is characterized in that: have first photoelectrical coupler 6 and second photoelectrical coupler 7, the input of the first photoelectrical coupler 6 respectively with the indicator light control signal output of flight control computer and+28V is connected, the output of the first photoelectrical coupler 6 is connected with the control signal input 2a of the first switch driving circuit 2, after the power input 2b indicating lights connected in series 3 of the first switch driving circuit 2, be connected with+28V, the input of the second photoelectrical coupler 7 is connected with the power input 2b of the first switch driving circuit 2, the output of the second photoelectrical coupler 7 is connected with the control signal input 4a of second switch drive circuit 4.
The utility model has the advantages that: proposed a kind of improved flight control system console indicating lamp control circuit, can prevent the false triggering of the overdue bright and indicator light pilot signal of indicator light, thereby reduce false alarm rate, ensured the normal use of flight control system.
Brief description of the drawings
Fig. 1 is the schematic diagram of current a kind of flight control system console indicating lamp control circuit.
Fig. 2 is schematic diagram of the present utility model.
Embodiment
Below the utility model is described in further details.Referring to Fig. 2, flight control system console indicating lamp control circuit, comprise the first switch driving circuit 2, indicator light 3 and second switch drive circuit 4, the earth terminal 2d ground connection of the first switch driving circuit 2, the power input 4b of second switch drive circuit 4 is connected with+28V, the power output end 4c of second switch drive circuit 4 is connected with the indicator light pilot signal input of flight control computer, the earth terminal 4d ground connection of second switch drive circuit 4, it is characterized in that: have first photoelectrical coupler 6 and second photoelectrical coupler 7, the input of the first photoelectrical coupler 6 respectively with the indicator light control signal output of flight control computer and+28V is connected, the output of the first photoelectrical coupler 6 is connected with the control signal input 2a of the first switch driving circuit 2, after the power input 2b indicating lights connected in series 3 of the first switch driving circuit 2, be connected with+28V, the input of the second photoelectrical coupler 7 is connected with the power input 2b of the first switch driving circuit 2, the output of the second photoelectrical coupler 7 is connected with the control signal input 4a of second switch drive circuit 4.
Operation principle of the present utility model is: in the time that indicator light control signal is low level, the first photoelectrical coupler 6 is exported high level, and the first switch driving circuit 2b is low level, lights indicator light; Meanwhile, the second photoelectrical coupler 7 inputs are low level, and the second photoelectrical coupler 7 is exported high level, and second switch drive circuit output indicator is lighted signal; In the time that indicator light control signal is high level, the first photoelectrical coupler 6 output low levels, indicator light does not work, and the second photoelectrical coupler 7 inputs are high level, second switch drive circuit input 4a is low level, the second switch drive circuit output indicator signal that do not work.Indicator light control signal, the first switch driving circuit 2 and two photoelectric coupler isolation of second switch drive circuit 4 use in the utility model, do not affect lighting of indicator light, avoid the misoperation of indicator light control supervisory circuit, thereby improved the reliability of indicator light control supervisory circuit.
An embodiment of the present utility model, the first photoelectrical coupler adopting and the model of the second photoelectrical coupler are GH140Z/6N140A.
Claims (1)
1. flight control system console indicating lamp control circuit, comprise the first switch driving circuit (2), indicator light (3) and second switch drive circuit (4), earth terminal (2d) ground connection of the first switch driving circuit (2), the power input (4b) of second switch drive circuit (4) is connected with+28V, the power output end (4c) of second switch drive circuit (4) is connected with the indicator light pilot signal input of flight control computer, earth terminal (4d) ground connection of second switch drive circuit (4), it is characterized in that: have first photoelectrical coupler (6) and second photoelectrical coupler (7), the input of the first photoelectrical coupler (6) respectively with the indicator light control signal output of flight control computer and+28V is connected, the output of the first photoelectrical coupler (6) is connected with the control signal input (2a) of the first switch driving circuit (2), after power input (2b) indicating lights connected in series (3) of the first switch driving circuit (2), be connected with+28V, the input of the second photoelectrical coupler (7) is connected with the power input (2b) of the first switch driving circuit (2), the output of the second photoelectrical coupler (7) is connected with the control signal input (4a) of second switch drive circuit (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320791992.5U CN203645875U (en) | 2013-12-04 | 2013-12-04 | Flight control system console indicating lamp control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320791992.5U CN203645875U (en) | 2013-12-04 | 2013-12-04 | Flight control system console indicating lamp control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203645875U true CN203645875U (en) | 2014-06-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320791992.5U Expired - Fee Related CN203645875U (en) | 2013-12-04 | 2013-12-04 | Flight control system console indicating lamp control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203645875U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108112141A (en) * | 2016-11-24 | 2018-06-01 | 兰州飞行控制有限责任公司 | One kind flies control console indicator light power supply automatic switching circuit |
| CN109673091A (en) * | 2018-12-05 | 2019-04-23 | 兰州飞行控制有限责任公司 | A kind of flight control system console indicator light current regulating circuit |
| CN109905951A (en) * | 2019-03-29 | 2019-06-18 | 北京无线电测量研究所 | A kind of instruction lamp control module and system with Phototube Coupling |
-
2013
- 2013-12-04 CN CN201320791992.5U patent/CN203645875U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108112141A (en) * | 2016-11-24 | 2018-06-01 | 兰州飞行控制有限责任公司 | One kind flies control console indicator light power supply automatic switching circuit |
| CN109673091A (en) * | 2018-12-05 | 2019-04-23 | 兰州飞行控制有限责任公司 | A kind of flight control system console indicator light current regulating circuit |
| CN109905951A (en) * | 2019-03-29 | 2019-06-18 | 北京无线电测量研究所 | A kind of instruction lamp control module and system with Phototube Coupling |
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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: 20140611 Termination date: 20211204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |