CN2669201Y - Emergency electric torch for airplane cabin - Google Patents
Emergency electric torch for airplane cabin Download PDFInfo
- Publication number
- CN2669201Y CN2669201Y CNU2003201286446U CN200320128644U CN2669201Y CN 2669201 Y CN2669201 Y CN 2669201Y CN U2003201286446 U CNU2003201286446 U CN U2003201286446U CN 200320128644 U CN200320128644 U CN 200320128644U CN 2669201 Y CN2669201 Y CN 2669201Y
- Authority
- CN
- China
- Prior art keywords
- supply voltage
- power supply
- circuit
- chip microcomputer
- bulb
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to an emergency electric torch for airplane cabins, which is composed of a lower cover, an electric torch body, a circuit board and a lamp cap. Input ends of a power supply is connected with a current-limiting resistor and a dry reed pipe; a node of the current-limiting resistor and the dry reed pipe is connected with a field-effect pipe; an output pole of the field-effect tube and a lamp bulb are connected in series between the input ends of the power supply. One input end of the power supply is connected with a voltage regulator circuit through the lamp bulb; an output end of the voltage regulator circuit is connected with an SCM which is used for judging whether power supply voltage is the normal working voltage of the lamp bulb or not and outputting indication signals. The input end of the power supply is connected with a power supply voltage sample circuit which provides control signals through a voltage output end of the SCM; an output end of the power supply voltage sample circuit is input via the SCM which judges whether the power supply voltage is the normal working voltage or not. The output end of the SCM, which outputs the indication signals, is connected with a stroboscopic display circuit. The utility model has the advantages of simple structure, low cost and little reactive power and enables the electric torch to have very low power dissipation and reliable work under a long-term standby state.
Description
Technical field
The utility model relates to a kind of aircraft cockpit emergency flashlight.
Background technology
The aircraft cockpit emergency flashlight is the illuminations that uses when emergent in the aircraft cockpit.Existing aircraft cockpit emergency flashlight circuit structure complexity, idle power consumption is big, cost is high.
Summary of the invention
The utility model will overcome the problems referred to above that prior art exists, provide a kind of simple in structure, cost is low, reactive power is little, can make the aircraft cockpit emergency flashlight of the extremely low and reliable operation of electric torch power consumption under long-term armed state.
The utility model is achieved in that it is by lower cover, flashlight body, in establish the battery tube of power input, circuit board, lamp holder and the bulb that is arranged in the lamp holder constitute, be connected to current-limiting resistance and tongue tube at power input, its special character is that the node at current-limiting resistance and tongue tube is connected to field effect transistor, said field effect transistor output stage and bulb string are associated between the power input, be connected to mu balanced circuit at power input by bulb, the output terminal of mu balanced circuit be connected to be used to judge supply voltage whether be the normal working voltage of bulb and when supply voltage is the normal working voltage of bulb the single-chip microcomputer of output indicator signal, mu balanced circuit is used for providing power supply to single-chip microcomputer, be connected to the supply voltage sample circuit at power input, said supply voltage sample circuit provides control signal by a voltage output end of single-chip microcomputer, the output terminal of supply voltage sample circuit judges via single-chip microcomputer input and by single-chip microcomputer whether supply voltage is the normal working voltage of bulb, is connected to the stroboscopic display circuit at the output indicator signal output terminal of single-chip microcomputer.
According to above-mentioned aircraft cockpit emergency flashlight, be connected to the adjustment switch that is used to adjust stroboscopic display circuit flicker frequency at the input end of single-chip microcomputer.
The utility model has the advantages that circuit structure is simple, cost is low, easy to use, reactive power is little, circuit can be in sleep state, power consumption is extremely low, guarantees electric torch correct reliably working under case of emergency.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
As shown in the figure, it is by lower cover 1, flashlight body 2, in establish power input 7,10 battery tube 3, circuit board 4, lamp holder 5 and the bulb 6 that is arranged in the lamp holder 5 constitute, at power input 7, be connected to current-limiting resistance R1 and tongue tube K1 between 10, node at current-limiting resistance R1 and tongue tube K1 is connected to field effect transistor Q1, said field effect transistor Q1 output stage and bulb 6 are connected on power input 7, between 10, be connected to by regulator block U1 by bulb 6 at power input 7, the mu balanced circuit 8 that capacitor C 1-C3 and resistance R 2 constitute, the output terminal of mu balanced circuit 8 be connected to be used to judge supply voltage whether be the normal working voltage of bulb 8 and when supply voltage is the normal working voltage of bulb 6 single-chip microcomputer 9 of output indicator signal, mu balanced circuit 8 is used for providing power supply to single-chip microcomputer 9, at power input 7, be connected between 10 by current-limiting resistance R3 and triode Q3, the supply voltage sample circuit that divider resistance R6 and R7 and triode Q4 and divider resistance R8 and R9 constitute, said supply voltage sample circuit provides control signal for triode Q3 by a voltage output end of single-chip microcomputer 9 through resistance R 3, and the output terminal of supply voltage sample circuit judges via single-chip microcomputer 9 inputs and by single-chip microcomputer 9 whether supply voltage is the normal working voltage of bulb 6 and exports the stroboscopic voltage signal.Output indicator signal output terminal at single-chip microcomputer 9 is connected to the stroboscopic display circuit that is made of switching tube Q2 and light emitting diode D1, resistance R 5 by current-limiting resistance R4, is connected to the adjustment K switch 2 that is used for adjusting stroboscopic display circuit light emitting diode D1 flicker frequency at the input end of single-chip microcomputer 9.When this electric torch is placed on passenger cabin internal fixation position, tongue tube K1 is in off-state, bulb 6 is not luminous, positive supply is by bulb 6 filaments, power to single-chip microcomputer 9 through mu balanced circuit 8, single-chip microcomputer 9 is in running order, and whether the electric battery that detects battery tube 3 by the voltage signal by the input of supply voltage sample circuit is normal voltage.When electric battery was normal voltage, single-chip microcomputer 9 was to stroboscopic display circuit output signal, the light emitting diode D1 demonstration of glimmering; When bulb 6 fracture of wires, when battery voltage is low, light emitting diode D1 flicker free in the stroboscopic display circuit, the expression electric torch is in malfunction, must in time handle.
Claims (2)
1, a kind of aircraft cockpit emergency flashlight, by lower cover, flashlight body, in establish the battery tube of power input, circuit board, lamp holder and the bulb that is arranged in the lamp holder constitute, be connected to current-limiting resistance and tongue tube at power input, it is characterized in that: the node at current-limiting resistance and tongue tube is connected to field effect transistor, said field effect transistor output stage and bulb string are associated between the power input, be connected to mu balanced circuit at power input by bulb, the output terminal of mu balanced circuit be connected to be used to judge supply voltage whether be the normal working voltage of bulb and when supply voltage is the normal working voltage of bulb the single-chip microcomputer of output indicator signal, mu balanced circuit is used for providing power supply to single-chip microcomputer, be connected to the supply voltage sample circuit at power input, said supply voltage sample circuit provides control signal by a voltage output end of single-chip microcomputer, the output terminal of supply voltage sample circuit judges via single-chip microcomputer input and by single-chip microcomputer whether supply voltage is the normal working voltage of bulb, is connected to the stroboscopic display circuit at the output indicator signal output terminal of single-chip microcomputer.
2, aircraft cockpit emergency flashlight according to claim 1 is characterized in that: the input end at single-chip microcomputer is connected to the adjustment switch that is used to adjust stroboscopic display circuit flicker frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201286446U CN2669201Y (en) | 2003-12-19 | 2003-12-19 | Emergency electric torch for airplane cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201286446U CN2669201Y (en) | 2003-12-19 | 2003-12-19 | Emergency electric torch for airplane cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2669201Y true CN2669201Y (en) | 2005-01-05 |
Family
ID=34439405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2003201286446U Expired - Fee Related CN2669201Y (en) | 2003-12-19 | 2003-12-19 | Emergency electric torch for airplane cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2669201Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102236955A (en) * | 2010-04-21 | 2011-11-09 | 任文华 | Alarm circuit device |
| CN103672429A (en) * | 2012-09-26 | 2014-03-26 | 深圳市海洋王照明工程有限公司 | Flashlight circuit and flashlight |
-
2003
- 2003-12-19 CN CNU2003201286446U patent/CN2669201Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102236955A (en) * | 2010-04-21 | 2011-11-09 | 任文华 | Alarm circuit device |
| CN103672429A (en) * | 2012-09-26 | 2014-03-26 | 深圳市海洋王照明工程有限公司 | Flashlight circuit and flashlight |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MXPA05008851A (en) | Module for powering and monitoring light-emitting diodes. | |
| CN101835306B (en) | Led lamp control circuit and led lamp | |
| CN204014161U (en) | Sound-controlled bed-side lamp | |
| CN2669201Y (en) | Emergency electric torch for airplane cabin | |
| CN201126297Y (en) | LED illumination, fresh-keeping modular control circuit and refrigerator containing the circuit | |
| CN205830102U (en) | A kind of Intelligent eyeshield lamp system | |
| CN102927519A (en) | Automatic sensitization controlled solar LED lamp | |
| CN202172519U (en) | Discharge circuit for solving problem of surplus brightness after switching off of LED lamp | |
| CN101592305B (en) | Solar LED building illuminating system | |
| CN105101564B (en) | A kind of adaptive lamp tube driver | |
| CN201142777Y (en) | Classroom illumination electricity saving controller | |
| CN202629969U (en) | LED lamp control circuit | |
| CN2831543Y (en) | Small night lamp-type switching panel | |
| CN200990708Y (en) | Adaptive LED back timing signal lamp intelligent electric source control switch | |
| CN206136367U (en) | Multi -functional intelligent house LED lamp | |
| CN209694655U (en) | A kind of luminous mosquito net of plastic optical fiber | |
| CN212463568U (en) | Electricity-saving lantern | |
| CN212785950U (en) | Automatic adjusting system for lighting of small airplane tail cabin | |
| CN203289706U (en) | Switch-free type illumination and alarming dual-purpose flashlight | |
| CN215494596U (en) | Intelligent classroom management system based on wireless communication technology | |
| CN212544128U (en) | Emergency light energy-saving control system | |
| CN213638304U (en) | Control light device based on singlechip | |
| CN201001222Y (en) | Touch type door lock illuminator | |
| CN2239032Y (en) | Flash relay | |
| CN205232505U (en) | Detect control circuit and LED intelligence power failure lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |