CN201074749Y - LED reflectoscope - Google Patents
LED reflectoscope Download PDFInfo
- Publication number
- CN201074749Y CN201074749Y CNU2007200551423U CN200720055142U CN201074749Y CN 201074749 Y CN201074749 Y CN 201074749Y CN U2007200551423 U CNU2007200551423 U CN U2007200551423U CN 200720055142 U CN200720055142 U CN 200720055142U CN 201074749 Y CN201074749 Y CN 201074749Y
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Abstract
The utility model relates to an LED streamer lamp, which comprises a lamp cup on a lamp body and a PBC control plate which has a control circuit and three paralleling LED lamps. A stabilized voltage IC, a current-limiting sampling resistance R1, an after-flow triode Q1, a current-limiting resistance R2 and a filter capacity C1 are arranged on the PCB control plate, wherein the input end of the stabilized voltage IC is connected with a base electrode b foot of the after-flow triode Q1 and is jointed with a direct current power supply positive pole for externally connecting an plug wire on the outer portion of the lamp body through the current-limiting sampling resistance R1, the negative pole of the stabilized voltage IC is connected with a public negative pole, the emitting pole e foot of the after-flow triode Q1 is connected with the direct current power supply positive pole for externally connecting the plug wire on the outer portion of the lamp body, the collector electrode c foot of the after-flow triode Q1 is connected with the current-limiting resistance R2 after connected with the output end of the stabilized voltage IC, the three paralleling LED lamps are connected in parallel with the filter capacity before the positive poles of the three paralleling LED lamps are connected with the current-limiting resistance R2, and the negative poles of the LED lamps are connected with a public negative pole. The utility model can be conveniently used by utilizing various adaptations with different output power supply.
Description
Technical field
The utility model relates to a kind of LED shot-light, and specifically a kind of power supply adaptation of multiple different outputs that utilizes can both reach the LED shot-light that makes things convenient for result of use.
Background technology
At present, the use of LED shot-light normally is complementary with device for converting solar energy, or with the supporting use of the dc source of special use.Wherein, LED adopts parallel way to connect.Its defective is: this type of LED lamp is confined to use on single fixed power source adapter, if use on the dc source of difference output, will cause the LED lamp to damage and maybe can not use.
The utility model content
Technical problem to be solved: in order to overcome the limitation that existing LED shot-light uses, the utility model provides a kind of LED shot-light, this lamp can use on the adaptation of the device for converting solar energy 3.6V of special use, can use on the power supply adaptation of the various different sizes of 3-12V again.
Technical scheme: a kind of LED shot-light, comprise the PCB control panel of the LED lamp of Lamp cup on the lamp body, band control circuit and three parallel connections, described PCB control panel is provided with voltage stabilizing IC (U1), current limliting sample resistance R1, afterflow triode Q1, current-limiting resistance R2, filter capacitor C1; Input 2 pin of voltage stabilizing IC (U1) are connected the plug into dc power anode of the outside external plug line of lamp body through current limliting sample resistance R1 with the base stage b pin of afterflow triode Q1, negative pole 1 pin of voltage stabilizing IC (U1) connects public negative pole (VSS), the emitter e pin of afterflow triode Q1 connects the dc power anode of the outside external plug line of lamp body, the colelctor electrode c pin of afterflow triode Q1 is connected the back and is connected with current-limiting resistance R2 with output 3 pin of voltage stabilizing IC (U1), anodally after the LED lamp of three parallel connections and the filter capacitor C1 parallel connection be connected with current-limiting resistance R2, negative pole is connected with public negative pole (VSS).The use that is connected with the dc source adaptation of the 3V～12V of different size of the external plug line of lamp body outside.
The beneficial effects of the utility model: use on the various power supply adaptation of 3V～12V for making the LED shot-light, here on the PCB of LED shot-light control panel, designed the voltage stabilizing current limliting, the flow-dividing control circuit, the about 8-10mA of operating current of each LED lamp when the LED shot-light is used when solar energy coupling power supply 3.6V, the about 18-20mA of operating current of each LED lamp when other different external connection coupling dc source 4.5-12V power supply is used, the about 7-8mA of operating current of each LED lamp when the DC power supply of 3V uses.Make the LED shot-light obtain safe and reliable use and energy-saving benefit, on the connecting line of lamp body outside, used general ￠ 5.5mm (DP5525L) attachment plug to realize being connected simultaneously with the power supply adaptation of various different sizes.Can make like this LED shot-light reach can be in the occasion of multiple different electrical power all spendable shared property purpose.When using the LED shot-light, can realize the luminous of lamp by number of ways, and safety, longevity, energy-conservation effect has avoided a lamp only to be suitable for the effect of particular power source adaptation.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the STRUCTURE DECOMPOSITION figure of the utility model LED shot-light;
Fig. 2 is the LED shot-light assembled state figure of Fig. 1;
Fig. 3 is the utility model circuit diagram.
The specific embodiment
A kind of LED shot-light light fixture as shown in Figure 1 and Figure 2 comprises Lamp cup 7, water proof ring 6, transparent glasses lens 5, eyeglass gland 4 on the lamp body, inserts 13 below lampshade 11 with being provided with, ground insert 13 with lampshade 11 between be connected by tube connector 12; Be located on the PCB control panel 8 of being with control circuit and three parallel connection LED lamps in the lampshade 11 and be welded with electric power connection line 9, electric power connection line 9 is provided with general ￠ 5.5mm (DP5525L) external plug 10 and connects with external power source.
LED shot-light circuit diagram shown in Figure 3, specifically: the PCB control panel of band control circuit is provided with voltage stabilizing IC (U1), current limliting sample resistance R1 (20R0.25W), afterflow triode Q1 (S8550D), current-limiting resistance R2 (4.7R0.25W), filter capacitor C1 (104P).Input 2 pin that described PCB control panel is provided with voltage stabilizing IC (U1) are connected the plug into dc power anode (VDD) of the outside external plug line of lamp body through current limliting sample resistance R1 with the base stage b pin of afterflow triode Q1, negative pole 1 pin of voltage stabilizing IC (U1) connects public negative pole (VSS), the emitter e pin of afterflow triode Q1 connects the dc power anode (VDD) of the external plug line of lamp body outside, the colelctor electrode c pin of afterflow triode Q1 is connected the back and is connected with current-limiting resistance R2 with output 3 pin of voltage stabilizing IC (U1), anodally after the LED lamp of three parallel connections and the filter capacitor C1 parallel connection be connected with current-limiting resistance R2, negative pole is connected with public negative pole (VSS).The use that is connected with the dc source adaptation of the 3V～12V of different size of the external plug line of described lamp body outside.Be with three LED lamps (LED1, LED2, LED3) to form a lamp body on the PCB control panel.
The circuit theory of the utility model LED shot-light is: the direct current that obtains about 25-30mA3.0V in the LED group again after resistance R 2 current limliting C1 filtering through resistance R 1 current limliting and voltage stabilizing IC7133A when the outside connects power supply and is solar energy 3.6VDC is given the power supply of LED lamp group, and each LED lamp obtains about 8-10mA electric current (is 3.2-3.5V because of white light LEDs VF value); When the outside connects power supply and is 3VDC through resistance R 1 current limliting and voltage stabilizing IC7133A, voltage stabilizing IC7133A does not reach the not voltage stabilizing of voltage stabilizing condition, give LED lamp group power supply at the direct current that LED group obtains about 21-25mA2.85V at 3 pin of the IC 2.95V voltage of having an appointment after resistance R 2 current limliting C1 filtering, each LED lamp obtains about 7-8mA electric current (is 3.2-3.5V because of white light LEDs VF value); When to connect power supply be other adaptation and voltage in the outside at 4.5V～12VDC; power supply is through resistance R 1 current limliting; voltage stabilizing IC7133A voltage stabilizing; the 3 pin voltage stabilizings output 3.3V direct current of voltage regulation of voltage stabilizing IC7133A; after resistance R 2 current limliting C1 filtering, obtain the direct current of about 3.2V to the power supply of LED lamp group again in the LED group; when the electric current that on resistance R 1, flows through＞30mA; then produce the pressure drop more than the 0.6V at resistance R 1 two ends; at this moment afterflow triode Q1 is in running order; give circuit afterflow protection voltage stabilizing IC; for circuit provides enough electric currents,, remain on the constant current duty of 60mA for LED lamp group again through the R2 current limliting.
Claims (2)
1. LED shot-light comprises the PCB control panel of the LED lamp of Lamp cup, band control circuit and three parallel connections on the lamp body, and it is characterized in that: the PCB control panel is provided with voltage stabilizing IC (U1), current limliting sample resistance R1, afterflow triode Q1, current-limiting resistance R2, filter capacitor C1; Input (2) pin of voltage stabilizing IC (U1) is connected the plug into dc power anode of the outside external plug line of lamp body through current limliting sample resistance R1 with the base stage b pin of afterflow triode Q1, negative pole (1) pin of voltage stabilizing IC (U1) connects public negative pole (VSS), the emitter e pin of afterflow triode Q1 connects the dc power anode of the outside attachment plug line of lamp body, the colelctor electrode c pin of afterflow triode Q1 is connected with current-limiting resistance R2 with the external back of output (3) pin of voltage stabilizing IC (U1), anodally after the LED lamp of three parallel connections and the filter capacitor C1 parallel connection be connected with current-limiting resistance R2, negative pole is connected with public negative pole (VSS).
2. a kind of LED shot-light according to claim 1 is characterized in that: the use that is connected with the dc source adaptation of the 3V～12V of different size of company's male connector line of lamp body outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200551423U CN201074749Y (en) | 2007-08-01 | 2007-08-01 | LED reflectoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200551423U CN201074749Y (en) | 2007-08-01 | 2007-08-01 | LED reflectoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201074749Y true CN201074749Y (en) | 2008-06-18 |
Family
ID=39520011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200551423U Expired - Fee Related CN201074749Y (en) | 2007-08-01 | 2007-08-01 | LED reflectoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201074749Y (en) |
-
2007
- 2007-08-01 CN CNU2007200551423U patent/CN201074749Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20080618 Termination date: 20110801 |