CN201700049U - Backlight circuit for assembled control plate of marine illuminating lamp - Google Patents
Backlight circuit for assembled control plate of marine illuminating lamp Download PDFInfo
- Publication number
- CN201700049U CN201700049U CN2010201843191U CN201020184319U CN201700049U CN 201700049 U CN201700049 U CN 201700049U CN 2010201843191 U CN2010201843191 U CN 2010201843191U CN 201020184319 U CN201020184319 U CN 201020184319U CN 201700049 U CN201700049 U CN 201700049U
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- transistor
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- direct current
- thyristor
- power supply
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Abstract
The utility model discloses a backlight circuit for an assembled control plate of a marine illuminating lamp, which mainly comprises a transistor V1, a transistor V2, a diode VD, a stabilovolt tube VS, a thyristor VT, a relay KA, a photo-resistor RG and a backlight lamp, wherein the photo-resistor RG is irradiated by light to be in a low-resistance state, the transistor V1 and the transistor V2 are connected, the thyristor VT is disconnected, the relay KA is released, a normally open contact is disconnected, and the backlight lamp does not work. When the light is weak, the low-resistance state of the photo-resistor RG is changed into a high-resistance state, therefore, the transistor V1 and the transistor V2 are disconnected, the collector of the transistor V2 is changed into high potential so as to trigger the thyristor VT to be connected, the relay KA is electrified and actuated, and the backlight lamp is turned on. The backlight lamp is additionally arranged on the assembled control plate of the existing marine illuminating lamp, and is automatically turned on in dark, thus helping operators see the switch label clearly so as to guarantee accurate control of the illuminating lamp.
Description
Technical field
The utility model relates to a kind of back lighting circuit of illuminating lamp set control board peculiar to vessel, belongs to the ship equipment technical field.
Background technology
At the boats and ships electrical apparatus industry, be positioned at illuminating lamp set control board on the boats and ships central control desk and be mainly used in the ship's service lighting lamp is controlled.Illuminating lamp set control board is a core with the single-chip minimum system, and the key switch on the control board is controlled outside relay, thus the on and off of control illuminating lamp.When the relay adhesive disconnected, its auxiliary contact inserted single-chip minimum system to the state feedback signal of each way switch, made the corresponding LED light of Single-chip Controlling bright or go out, and were used to indicate the state of exterior lighting lamp.Such as: the K1 closure in the button, outside a certain illuminating lamp is lighted, and its corresponding indicator light LED1 is bright simultaneously, if illuminating lamp breaks down, LED light is in the state that goes out, and can remind the personnel on the ship to go maintenance.But existing illuminating lamp set control board does not have back lighting, in dark surrounds, can not see the label title of control switch clearly, is not easy to operating personnel's accurate operation.
The utility model content
The purpose of this utility model is to provide a kind of illuminating lamp set control board backlight circuit peculiar to vessel, solves the technical problem that can't see switch label title in dark surrounds clearly.
The purpose of this utility model is achieved by the following technical programs:
A kind of illuminating lamp set control board backlight circuit peculiar to vessel comprises resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, capacitor C 1, capacitor C 2, transistor V1, transistor V2, diode VD, voltage-stabiliser tube VS, thyristor VT, relay K A, photo resistance RG, backlight.One end of described resistance R 1 is connected with the positive pole of direct current 24V power supply, the other end of resistance R 1 is connected with the end of photo resistance RG, the other end of photo resistance RG is connected with the base stage of described transistor V1, the emitter of transistor V1 is connected with the negative pole of direct current 24V power supply, the collector electrode of transistor V1 is connected with an end of capacitor C 1, the other end of capacitor C 1 is connected with the base stage of transistor V2, the base stage of transistor V2 also is connected with an end of resistance R 2, the other end of resistance R 2 is connected with the negative pole of direct current 24V power supply, one end of described resistance R 3 is connected with the positive pole of direct current 24V power supply, the other end of resistance R 3 is connected with the collector electrode of transistor V2, the emitter of transistor V2 is connected with the negative pole of direct current 24V power supply, the positive pole of capacitor C 2 is connected with the collector electrode of transistor V2, the negative pole of capacitor C 2 is connected with the negative pole of direct current 24V power supply, the positive pole of described direct current 24V power supply is connected with an end of the coil of relay K A, the other end of the coil of relay K A is connected with the anode of thyristor VT, the negative electrode of thyristor VT is connected with the negative electrode of voltage-stabiliser tube VS, the anode of voltage-stabiliser tube VS is connected with the negative pole of direct current 24V power supply, the trigger electrode of described thyristor VT is connected with an end of resistance R 4, the other end of resistance R 4 is connected with the collector electrode of transistor V2, the anode of diode VD is connected between resistance R 1 and the photo resistance RG, the negative electrode of diode VD is connected in the negative electrode of thyristor VT, resistance R 5 is parallel to the two ends of diode VD, the normally opened contact of described relay K A is connected with backlight, and this series circuit is connected between the direct current 24V power positive cathode.
Compared with prior art, the beneficial effects of the utility model are: added backlight on existing illuminating lamp set control board peculiar to vessel, backlight is lighted automatically in dark surrounds, and the help operating personnel see the title on the switch label clearly, guarantee that operating personnel can correctly control illuminating lamp.
Description of drawings
Fig. 1 is a circuit diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the utility model comprises resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, capacitor C 1, capacitor C 2, transistor V1, transistor V2, diode VD, voltage-stabiliser tube VS, thyristor VT, relay K A, photo resistance RG, backlight.One end of described resistance R 1 is connected with the positive pole of direct current 24V power supply, the other end of resistance R 1 is connected with the end of photo resistance RG, the other end of photo resistance RG is connected with the base stage of described transistor V1, the emitter of transistor V1 is connected with the negative pole of direct current 24V power supply, the collector electrode of transistor V1 is connected with an end of capacitor C 1, the other end of capacitor C 1 is connected with the base stage of transistor V2, the base stage of transistor V2 also is connected with an end of resistance R 2, the other end of resistance R 2 is connected with the negative pole of direct current 24V power supply, one end of described resistance R 3 is connected with the positive pole of direct current 24V power supply, the other end of resistance R 3 is connected with the collector electrode of transistor V2, the emitter of transistor V2 is connected with the negative pole of direct current 24V power supply, the positive pole of capacitor C 2 is connected with the collector electrode of transistor V2, the negative pole of capacitor C 2 is connected with the negative pole of direct current 24V power supply, the positive pole of described direct current 24V power supply is connected with an end of the coil of relay K A, the other end of the coil of relay K A is connected with the anode of thyristor VT, the negative electrode of thyristor VT is connected with the negative electrode of voltage-stabiliser tube VS, the anode of voltage-stabiliser tube VS is connected with the negative pole of direct current 24V power supply, the trigger electrode of described thyristor VT is connected with an end of resistance R 4, the other end of resistance R 4 is connected with the collector electrode of transistor V2, the anode of diode VD is connected between resistance R 1 and the photo resistance RG, the negative electrode of diode VD is connected in the negative electrode of thyristor VT, resistance R 5 is parallel to the two ends of diode VD, the normally opened contact of described relay K A is connected with backlight, and this series circuit is connected between the direct current 24V power positive cathode.
Light can pass from the transparent apertures of photo resistance RG top when extraneous light was strong, and photo resistance RG is subjected to rayed and is low resistive state, transistor V1 and V2 conducting, thyristor VT ends, relay K A is in release condition, and its normally open contact disconnects, and backlight is not worked.When the light deepening, photo resistance RG becomes high-impedance state by low resistive state, and transistor V1 and V2 are ended, and transistor V2 collector electrode becomes high potential, and thyristor VT is triggered and conducting, the relay K A adhesive of switching on, and backlight is lighted.The utility model has added backlight at existing ship on illuminating lamp set control board, and backlight is lighted automatically in dark surrounds, helps operating personnel to see the switch label clearly and guarantees correctly illuminating lamp to be controlled.
In illuminating lamp set control board circuit light modulation, test function key can also be set, light modulation key, feeler switch are connected with single-chip microcomputer.This control board dimming function is core with the single-chip microcomputer, is that output device is realized light modulation with powerful MOSFET pipe.The light modulation key comprises and lightens, dims button, if the light modulation key is pressed, single-chip microcomputer can increase or reduce the pre-set parameter of program by push-button type and touch potential, gives the single-chip microcomputer timer regularly by this parameter value, thereby reach the purpose that changes the single-chip microcomputer output pulse width, realize light modulation.Such dimming mode is than traditional slide rheostat light modulation, the light modulation brightness stability, and the light intensity modification scope is bigger, and is low in energy consumption, and cost is low.When needs are checked the LED light quality, press the test button, be input to single-chip microcomputer, single-chip microcomputer sends all LED light and lights control command, and all LED light should be bright entirely, damages if there is LED light not light explanation.
In addition to the implementation, the utility model can also have other execution modes, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of the utility model requirement.
Claims (1)
1. an illuminating lamp peculiar to vessel is gathered the control board backlight circuit, comprise resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, capacitor C 1, capacitor C 2, transistor V1, transistor V2, diode VD, voltage-stabiliser tube VS, thyristor VT, relay K A, photo resistance RG, backlight, it is characterized in that, one end of described resistance R 1 is connected with the positive pole of direct current 24V power supply, the other end of resistance R 1 is connected with the end of photo resistance RG, the other end of photo resistance RG is connected with the base stage of described transistor V1, the emitter of transistor V1 is connected with the negative pole of direct current 24V power supply, the collector electrode of transistor V1 is connected with an end of capacitor C 1, the other end of capacitor C 1 is connected with the base stage of transistor V2, the base stage of transistor V2 also is connected with an end of resistance R 2, the other end of resistance R 2 is connected with the negative pole of direct current 24V power supply, one end of described resistance R 3 is connected with the positive pole of direct current 24V power supply, the other end of resistance R 3 is connected with the collector electrode of transistor V2, the emitter of transistor V2 is connected with the negative pole of direct current 24V power supply, the positive pole of capacitor C 2 is connected with the collector electrode of transistor V2, the negative pole of capacitor C 2 is connected with the negative pole of direct current 24V power supply, the positive pole of described direct current 24V power supply is connected with an end of the coil of relay K A, the other end of the coil of relay K A is connected with the anode of thyristor VT, the negative electrode of thyristor VT is connected with the negative electrode of voltage-stabiliser tube VS, the anode of voltage-stabiliser tube VS is connected with the negative pole of direct current 24V power supply, the trigger electrode of described thyristor VT is connected with an end of resistance R 4, the other end of resistance R 4 is connected with the collector electrode of transistor V2, the anode of diode VD is connected between resistance R 1 and the photo resistance RG, the negative electrode of diode VD is connected in the negative electrode of thyristor VT, resistance R 5 is parallel to the two ends of diode VD, the normally opened contact of described relay K A is connected with backlight, and this series circuit is connected between the direct current 24V power positive cathode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201843191U CN201700049U (en) | 2010-05-10 | 2010-05-10 | Backlight circuit for assembled control plate of marine illuminating lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201843191U CN201700049U (en) | 2010-05-10 | 2010-05-10 | Backlight circuit for assembled control plate of marine illuminating lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201700049U true CN201700049U (en) | 2011-01-05 |
Family
ID=43401296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201843191U Expired - Fee Related CN201700049U (en) | 2010-05-10 | 2010-05-10 | Backlight circuit for assembled control plate of marine illuminating lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201700049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105813283A (en) * | 2014-12-31 | 2016-07-27 | 中交信通（天津）科技有限公司 | Maritime communication vehicle lighting system |
-
2010
- 2010-05-10 CN CN2010201843191U patent/CN201700049U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105813283A (en) * | 2014-12-31 | 2016-07-27 | 中交信通（天津）科技有限公司 | Maritime communication vehicle lighting system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20180510 |