CN202396035U - Touch time-delay illuminating lamp control circuit - Google Patents
Touch time-delay illuminating lamp control circuit Download PDFInfo
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- CN202396035U CN202396035U CN2011204650161U CN201120465016U CN202396035U CN 202396035 U CN202396035 U CN 202396035U CN 2011204650161 U CN2011204650161 U CN 2011204650161U CN 201120465016 U CN201120465016 U CN 201120465016U CN 202396035 U CN202396035 U CN 202396035U
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Abstract
The utility model relates to a touch time-delay illuminating lamp control circuit which includes a commercial power alternating current AC, an illuminating lamp H, a full bridge rectifying circuit, a 12V voltage stabilizing circuit, a touch signal amplifying circuit, and a single-direction thyristor trigging and controlling circuit and level conversion circuit. In order to overcome the defects existing in street lamps which are controlled by sound, the touch time-delay illuminating lamp control circuit uses the touch switch mode to replace the sound control mode. The touch time-delay illuminating lamp control circuit has the characteristics of simple circuit structure, easy operation and stable working performance, and can be used for controlling door lamps or corridor illuminating lamps. In use, the illuminating lamp can be lit up when a user touches a touch electrode M by a finger, and the illuminating lamp is turned off automatically after a period of time. A time-delayed power switch can be replaced, and an original circuit layout needs not to be destroyed or changed.
Description
Technical field
The utility model belongs to the application of electronic technology field, relates to a kind of hand touch delay illuminating lamp control circuit.
Background technology
The corridor of a lot of public places and the people that live building have installed various delay illuminating lamps at oneself in front of the door.As: the acoustic control delay switch uses really easily, can reach the purpose of energy savings.But sometimes the marquis also usually things turn out contrary to one's wishes; The circuit of these audio-switches is very sensitive, has the sound to move on every side slightly, the sound that opens the door, closes the door such as the neighbour's; Near the sound of setting off firecrackers even the automobile sound etc. of blowing a whistle downstairs; The capital makes the acoustic control street lamp light, not only can not economize on electricity, and also can have influence on the useful life of bulb because of frequent bright lamp.Especially when you go home the late into the night, need light this acoustic control street lamp, just must have a mind to produce the sound, hinder neighbours' around night rest.For overcoming the defective that acoustic control formula street lamp exists, the described hand touch of the utility model delay illuminating lamp control circuit is that the control mode of acoustic control street lamp is improved, and touches mode with hand and replaces the acoustic control mode, through actual very easy to use.Hand touch delay illuminating lamp control circuit has characteristics such as circuit structure is simple, good operating stability, can be used for controlling gate light or corridor intraoral illumination lamp etc.
Hand touch delay illuminating lamp control circuit in use, you are as long as have a touch with touch electrode with pointing, illuminating lamp will be lighted, and can extinguish automatically behind the some minutes of waiting to delay time.Common power switch can be directly replaced, original wiring needn't be destroyed or change during installation.
Below specify the described hand touch of the utility model delay illuminating lamp control circuit related relevant technologies content in manufacturing process.
The utility model content
Goal of the invention and beneficial effect: in order to overcome the defective that mode street lamps such as acoustic control exist; The described hand touch of the utility model delay illuminating lamp control circuit replaces the acoustic control mode with the soft-touch control mode, and its circuit is formed hand touch delay illuminating lamp control circuit by common discrete component.It has characteristics such as circuit structure is simple, easy to use, good operating stability, can be used as gate light or corridor intraoral illumination lamp equal controller.In use, as long as you are with the finger touch hand touched electrode on the control circuit once, and illuminating lamp will be lighted, and can extinguish automatically after a period of time of waiting to delay time.The mains switch that can directly replace the street lamp of delaying time needn't destroy or change original wiring during installation.
Technical characterictic: hand touch delay illuminating lamp control circuit; Comprise civil power alternating current AC, illuminating lamp H, full bridge rectifier, 12V voltage stabilizing circuit, touch signal amplifying circuit, unidirectional thyristor triggering and control circuit and level shifting circuit, its characteristic comprises:
Touch signal amplifying circuit: form by NPN transistor BG2, resistance R 5, electrochemical capacitor C2 and resistance R 4; The end of the base stage connecting resistance R5 of NPN transistor BG2; The other end catcher touched electrode M of resistance R 5; The collector electrode of NPN transistor BG2 connects the negative pole of electrochemical capacitor C2 and an end of resistance R 4, the negative pole of the other end sending and receiving optical diode LED of the positive pole of electrochemical capacitor C2 and resistance R 4, the emitter connection circuit ground GND of NPN transistor BG2;
Unidirectional thyristor triggering and control circuit thereof and level shifting circuit: form by NPN transistor BG1, resistance R 3, resistance R 2 and 12V voltage stabilizing circuit; The end of the base stage connecting resistance R3 of NPN transistor BG1; The collector electrode of another termination NPN transistor BG2 of resistance R 3; The collector electrode of NPN transistor BG1 connects the negative pole of voltage stabilizing didoe DW; The emitter order of NPN transistor BG1 is to the control utmost point of thyristor VT and an end of resistance R 2, and the other end of the negative electrode of unidirectional thyristor VT and resistance R 2 is with connection circuit ground GND, and the anode of unidirectional thyristor VT connects the cathode output end of full-bridge rectification element QZ;
Full bridge rectifier: the live wire end L that meets civil power alternating current AC behind the end serial connection illuminating lamp H of the alternating current input of full-bridge rectification element QZ; The zero line side N of another termination civil power alternating current AC of the alternating current input of full-bridge rectification element QZ; The cathode output end order of full-bridge rectification element QZ is to the anode of thyristor VT, the cathode output end connection circuit ground GND of full-bridge rectification element QZ;
12V voltage stabilizing circuit: form by resistance R 1, LED, voltage stabilizing didoe DW and electrochemical capacitor C1; The cathode output end of one end full-bridge rectification element QZ of resistance R 1; The positive pole of the other end sending and receiving optical diode LED of resistance R 1; The negative pole of LED connects the negative pole of voltage stabilizing didoe DW and the positive pole of electrochemical capacitor C1, the negative pole connection circuit ground GND of the positive pole of voltage stabilizing didoe DW and electrochemical capacitor C1.
The circuit working principle: hand touch delay illuminating lamp control circuit is made up of power circuit and control circuit, and power circuit is made up of full-bridge rectification element QZ, resistance R 1, LED, voltage stabilizing didoe DW.Control circuit is made up of hand touched electrode M, resistance R 5, NPN transistor BG1, BG2 and unidirectional thyristor VT.
The 220V alternating current produces the 12V DC power supply after full-bridge rectification element QZ rectification, resistance R 1 current limliting and voltage stabilizing didoe DW voltage stabilizing, supply control circuit uses.At this moment, NPN transistor BG1, BG2 and unidirectional thyristor VT all are in cut-off state, flow through the nearly 2mA of electric current of illuminating lamp H, deficiency so that illuminating lamp H light.After with finger touch hand touched electrode M, human body sensing voltage makes NPN transistor BG2 conducting, and NPN transistor BG2 collector voltage reduces; Make also conducting of NPN transistor BG1; The emitter output high level of its NPN transistor BG1, unidirectional thyristor VT conducting is lighted illuminating lamp H.In the moment of NPN transistor BG2 conducting, capacitor C 2 charges to the voltage near 12V through collector electrode and the emitter of NPN transistor BG2.Therefore, after hand leaves hand touched electrode M, though NPN transistor BG2 ends; But the discharge of electrochemical capacitor C1 can make NPN transistor BG1 conducting keep a period of time; Institute is so that illuminating lamp H continuation is luminous, and after electrochemical capacitor C2 discharge finished, NPN transistor BG1 ended; Unidirectional thyristor VT is also ended, and illuminating lamp H extinguishes.
Description of drawings
Accompanying drawing 1 is the embodiment circuit working schematic diagram that the utility model provides a hand touch delay illuminating lamp control circuit.
Embodiment
Implement according to the fundamental diagram of the delay illuminating lamp of hand touch shown in the accompanying drawing 1 control circuit and the components and parts specification requirement of description of drawings and the following stated, can realize the utility model.
The parameter of components and parts and selection requirement
QZ is the full-bridge rectification element, requires withstand voltage >=400V, operating current >=1A; DW is the 12V voltage stabilizing didoe, and power is 1W; LED is ¢ 5 red light emitting diodes;
BG1, BG2 are NPN transistor, and model is selected models such as 2SC9013 for use, require multiplication factor β >=100; VT is a unidirectional thyristor, selects models such as MLR100-6 for use, and parameter is 1A/400V;
Select the 1/4W metalfilmresistor for use, resistance R 1 resistance is 82K Ω, and resistance R 2 resistances are 5.6K Ω, and resistance R 3 resistances are 100K Ω, and resistance R 4 resistances are 3.2M Ω, and resistance R 5 resistances are 2.0M Ω;
C1, C2 are electrochemical capacitor, and its capacity is respectively 220 μ F/25V, 100 μ F/25V;
The incandescent lamp of 220V, power≤60W is used in illuminating lamp H suggestion;
M is the hand touched electrode, and the sheet metal of available 10mm * 10mm is made.
Circuit production and circuit debugging
In the LED series connection 12V DC power supply circuit, LED should be installed near the position of hand touched electrode M, and the light of LED can be a hand touched electrode M indicating positions in the hand touch delay illuminating lamp control circuit at night.
Illuminating lamp H is about 40 seconds time of delay, and the numerical value of resistance R 3 and capacitor C 2 is determining can change the time that illuminating lamp H lights through the resistance that changes resistance R 3 time of delay of illuminating lamp H.
Claims (3)
1. a hand touch delay illuminating lamp control circuit comprises civil power alternating current AC, illuminating lamp H, full bridge rectifier, 12V voltage stabilizing circuit, touch signal amplifying circuit, unidirectional thyristor triggering and control circuit and level shifting circuit, it is characterized in that:
The touch signal amplifying circuit is made up of NPN transistor BG2, resistance R 5, electrochemical capacitor C2 and resistance R 4; The end of the base stage connecting resistance R5 of NPN transistor BG2; The other end catcher touched electrode M of resistance R 5; The collector electrode of NPN transistor BG2 connects the negative pole of electrochemical capacitor C2 and an end of resistance R 4, the negative pole of the other end sending and receiving optical diode LED of the positive pole of electrochemical capacitor C2 and resistance R 4, the emitter connection circuit ground GND of NPN transistor BG2;
Unidirectional thyristor triggering and control circuit and level shifting circuit are formed level shifting circuit by NPN transistor BG1, resistance R 3, resistance R 2 and 12V voltage stabilizing circuit; The end of the base stage connecting resistance R3 of NPN transistor BG1; The collector electrode of another termination NPN transistor BG2 of resistance R 3; The collector electrode of NPN transistor BG1 connects the negative pole of voltage stabilizing didoe DW; The emitter order of NPN transistor BG1 is to the control utmost point of thyristor VT and an end of resistance R 2, and the other end of the negative electrode of unidirectional thyristor VT and resistance R 2 is with connection circuit ground GND, and the anode of unidirectional thyristor VT connects the cathode output end of full-bridge rectification element QZ.
2. hand touch delay illuminating lamp control circuit according to claim 1; It is characterized in that: the live wire end L that meets civil power alternating current AC behind the end serial connection illuminating lamp H of the alternating current input of the full-bridge rectification element QZ in the full bridge rectifier; The zero line side N of another termination civil power alternating current AC of the alternating current input of full-bridge rectification element QZ; The cathode output end order of full-bridge rectification element QZ is to the anode of thyristor VT, the cathode output end connection circuit ground GND of full-bridge rectification element QZ.
3. hand touch delay illuminating lamp control circuit according to claim 1; It is characterized in that: the 12V voltage stabilizing circuit is made up of resistance R 1, LED, voltage stabilizing didoe DW and electrochemical capacitor C1; The cathode output end of one end full-bridge rectification element QZ of resistance R 1; The positive pole of the other end sending and receiving optical diode LED of resistance R 1; The negative pole of LED connects the negative pole of voltage stabilizing didoe DW and the positive pole of electrochemical capacitor C1, the negative pole connection circuit ground GND of the positive pole of voltage stabilizing didoe DW and electrochemical capacitor C1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011204650161U CN202396035U (en) | 2011-11-22 | 2011-11-22 | Touch time-delay illuminating lamp control circuit |
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CN2011204650161U CN202396035U (en) | 2011-11-22 | 2011-11-22 | Touch time-delay illuminating lamp control circuit |
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CN202396035U true CN202396035U (en) | 2012-08-22 |
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CN2011204650161U Expired - Fee Related CN202396035U (en) | 2011-11-22 | 2011-11-22 | Touch time-delay illuminating lamp control circuit |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102802322A (en) * | 2012-09-03 | 2012-11-28 | 洪珍 | Touch delayed lamp switch |
CN103415130A (en) * | 2013-09-04 | 2013-11-27 | 黄勇 | Device for controlling delayed turn off of brake lamp of battery car |
-
2011
- 2011-11-22 CN CN2011204650161U patent/CN202396035U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102802322A (en) * | 2012-09-03 | 2012-11-28 | 洪珍 | Touch delayed lamp switch |
CN103415130A (en) * | 2013-09-04 | 2013-11-27 | 黄勇 | Device for controlling delayed turn off of brake lamp of battery car |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20121122 |