CN103458574A - Human body inductive or voice-control LED lamp - Google Patents
Human body inductive or voice-control LED lamp Download PDFInfo
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- CN103458574A CN103458574A CN2013103677423A CN201310367742A CN103458574A CN 103458574 A CN103458574 A CN 103458574A CN 2013103677423 A CN2013103677423 A CN 2013103677423A CN 201310367742 A CN201310367742 A CN 201310367742A CN 103458574 A CN103458574 A CN 103458574A
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Abstract
The invention discloses a human body inductive or voice-control LED lamp which comprises a power source and an LED chip. A control circuit is embedded in a driving circuit of the power source and the LED chip, a voltage stabilizing circuit is arranged between the power input end of the control circuit and the power source, a semiconductor triode or an MOSFET field-effect tube switch amplifying circuit is arranged between the output end of the control circuit and the LED chip, and the control circuit is a human body inductive circuit or a voice-control circuit. A system is isolated with the input alternating current power source, safety can be guaranteed, stand-by power consumption can be lowered, the lighting effect of LED light-emitting components can be performed fully, elements are reduced, and manufacturing cost is reduced.
Description
Technical field
The present invention relates to a kind of LED lamp, relate in particular to a kind of human body sensing or sound controlled LED light.
Background technology
The LED(semiconductor light-emitting-diode) as a kind of new type light source, there is energy-conservation light efficiency high, the advantages such as the life-span is long, in fields such as Landscape Lightings, adopt in a large number, but in some public places as corridor, corridor, toilets, entrance hall etc. are seldom applied, major reason is to need automatic open and close function, and prior art scheme imperfection.
Prior art one:
Control miniature relay with human body sensing or sound control circuit, in order to switch on or off the LED power supply, make it light or extinguish.The shortcoming of this scheme is: need to provide in addition DC power supply for control circuit, generally adopt capacitance-resistance voltage reduction circuit, it is non-insulating power supply, and stand-by power consumption is not less than relay coil power.
Prior art two:
Control circuit is controlled controlled silicon conducting or shutoff, LED is lighted or extinguish.This scheme except the similar shortcoming of the scheme with prior art one, because the pressure drop of every LED lamp pearl is the 3V left and right, power 0.5W, for applicable AC220V power supply, tens the lamp pearl chips of connecting, half cycles work, efficiency is low, and the following small-power of 5W is difficult to adopt.
Summary of the invention
The purpose of this invention is to provide a kind of human body sensing simple in structure, low in energy consumption, safe, efficient or sound controlled LED light.
The objective of the invention is to be achieved through the following technical solutions:
Human body sensing of the present invention or sound controlled LED light, comprise power supply, LED chip, be embedded with control circuit in the driving loop of described power supply and LED chip, be provided with voltage stabilizing circuit between described control circuit power input and described power supply, be provided with the semiconductor switch amplifying circuit between the output of described control circuit and described LED chip, described control circuit is human body sensing or sound control circuit.
As seen from the above technical solution provided by the invention, the human body sensing that the embodiment of the present invention provides or sound controlled LED light, owing to adopting the automatic control unit such as human body sensing or sound control circuit and output driving circuit to use the driving power of LED lamp, and do not increase separately power supply, and use semiconductor bipolar type triode or MOSFET field effect transistor to do the control executive component, system and input ac power isolation, can guarantee safety; Can reduce stand-by power consumption, give full play to LED light-emitting component light efficiency; Reduce components and parts, reduce manufacturing cost.
The accompanying drawing explanation
The human body sensing that Fig. 1 provides for the embodiment of the present invention one or the structural representation of sound controlled LED light;
The human body sensing that Fig. 2 provides for the embodiment of the present invention two or the structural representation of sound controlled LED light;
The human body sensing that Fig. 3 provides for the embodiment of the present invention three or the structural representation of sound controlled LED light.
Embodiment
Below will be described in further detail the embodiment of the present invention.
Human body sensing of the present invention or sound controlled LED light, its preferably embodiment be:
Comprise power supply, LED chip, be embedded with control circuit in the driving loop of described power supply and LED chip, be provided with voltage stabilizing circuit between described control circuit power input and described power supply, be provided with the semiconductor switch amplifying circuit between the output of described control circuit and described LED chip, described control circuit is human body sensing or sound control circuit.
Described switch amplifying circuit comprises one-level or diode & transistor amplifying circuit, and the output of described control circuit is connected with the base stage of described one-level triode.
Described switch amplifying circuit comprises N ditch MOSFET pipe, and the output of described control circuit is connected with the grid of described N ditch MOSFET pipe.
Described switch amplifying circuit comprises triode and P ditch MOSFET pipe, and the output of described control circuit is connected with the base stage of described triode, and the collector electrode of described triode is connected with the grid of described N ditch MOSFET pipe.
The LED lighting source is comprised of power supply (being generally Switching Power Supply) and lamp pearl chip, and the present invention is embedded in control circuit in the driving loop of power supply and LED chip, with input ac power, isolates safely, and stand-by power consumption is less than 0.1W, and small-power also can conveniently be applied.
The LED driving power is generally constant-current source, and voltage determines by load, and such as when the 3W lamp pearl, voltage is 9-10V, and at LED not during conducting, open circuit voltage 20V or more than, need voltage stabilizing circuit for this reason, guarantee human body sensing or sound control circuit partly work.
Specific embodiment one:
As shown in Figure 1, control circuit output is amplified the driving LED conducting through the two-stage electric current.
The characteristics of this scheme are:
Isolate fully with input ac power, guarantee safety; Stand-by power consumption is low, is generally less than 0.1W.Operating current 0.3A during conducting, the saturation voltage drop 0.2V of Q2, its power consumption can be ignored; Given full play to the light efficiency of LED.
Specific embodiment two:
As shown in Figure 2, by N ditch MOSFET(field effect transistor) do switch element, due to its high input impedance charcteristic, can realize controlling high-powered LED lamp.
Specific embodiment three:
As shown in Figure 3, adopt P ditch MOSFET pipe, because the circuit such as human body sensing may be at low voltage operating (below 5V), output signal voltage can not guarantee N ditch MOSFET saturation conduction, so realize with P ditch MOSFET.
The present invention adopts the automatic control unit such as human body sensing or sound control circuit and output driving circuit to use the driving power of LED lamp, and does not increase separately power supply, uses semiconductor bipolar type triode or MOSFET field effect transistor to do the control executive component.System and input ac power isolation, can guarantee safety; Can reduce stand-by power consumption, give full play to LED light-emitting component light efficiency; Reduce components and parts, reduce manufacturing cost.
The above; be only the present invention's embodiment preferably, but protection scope of the present invention is not limited to this, anyly is familiar with in technical scope that those skilled in the art disclose in the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (4)
1. a human body sensing or sound controlled LED light, comprise power supply, LED chip, it is characterized in that, be embedded with control circuit in the driving loop of described power supply and LED chip, be provided with voltage stabilizing circuit between described control circuit power input and described power supply, be provided with the semiconductor switch amplifying circuit between the output of described control circuit and described LED chip, described control circuit is human body sensing or sound control circuit.
2. human body sensing according to claim 1 or sound controlled LED light, is characterized in that, described switch amplifying circuit comprises one-level or diode & transistor amplifying circuit, and the output of described control circuit is connected with the base stage of described one-level triode.
3. human body sensing according to claim 1 or sound controlled LED light, is characterized in that, described switch amplifying circuit comprises N ditch MOSFET pipe, and the output of described control circuit is connected with the grid of described N ditch MOSFET pipe.
4. human body sensing according to claim 1 or sound controlled LED light, it is characterized in that, described switch amplifying circuit comprises triode and P ditch MOSFET pipe, the output of described control circuit is connected with the base stage of described triode, and the collector electrode of described triode is connected with the grid of described P ditch MOSFET pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103677423A CN103458574A (en) | 2013-08-21 | 2013-08-21 | Human body inductive or voice-control LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103677423A CN103458574A (en) | 2013-08-21 | 2013-08-21 | Human body inductive or voice-control LED lamp |
Publications (1)
| Publication Number | Publication Date |
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| CN103458574A true CN103458574A (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013103677423A Pending CN103458574A (en) | 2013-08-21 | 2013-08-21 | Human body inductive or voice-control LED lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641786A (en) * | 2016-12-16 | 2017-05-10 | 施慧 | LED (Light Emitting Diode) bulb working automatically by human body sensing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202101074U (en) * | 2011-06-02 | 2012-01-04 | 李士国 | Composite LED (light emitting diode) voice-controlled lighting lamp |
| CN102448231A (en) * | 2011-11-22 | 2012-05-09 | 刘德军 | Control circuit of hand-touch-type delayed lighting lamp |
| US20130026946A1 (en) * | 2008-10-09 | 2013-01-31 | Yasuhiro Maruyama | Led drive circuit, led illumination component, led illumination device, and led illumination system |
| CN103228081A (en) * | 2013-04-03 | 2013-07-31 | 天长市金陵电子有限责任公司 | Sub-ultrasonic voice energy-saving lamp |
| CN203482457U (en) * | 2013-08-21 | 2014-03-12 | 北京中科可来博电子科技股份有限公司 | Human body induction or sound control led lamp |
-
2013
- 2013-08-21 CN CN2013103677423A patent/CN103458574A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130026946A1 (en) * | 2008-10-09 | 2013-01-31 | Yasuhiro Maruyama | Led drive circuit, led illumination component, led illumination device, and led illumination system |
| CN202101074U (en) * | 2011-06-02 | 2012-01-04 | 李士国 | Composite LED (light emitting diode) voice-controlled lighting lamp |
| CN102448231A (en) * | 2011-11-22 | 2012-05-09 | 刘德军 | Control circuit of hand-touch-type delayed lighting lamp |
| CN103228081A (en) * | 2013-04-03 | 2013-07-31 | 天长市金陵电子有限责任公司 | Sub-ultrasonic voice energy-saving lamp |
| CN203482457U (en) * | 2013-08-21 | 2014-03-12 | 北京中科可来博电子科技股份有限公司 | Human body induction or sound control led lamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641786A (en) * | 2016-12-16 | 2017-05-10 | 施慧 | LED (Light Emitting Diode) bulb working automatically by human body sensing |
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Application publication date: 20131218 |