CN201074748Y - LED reflectoscope lamp - Google Patents
LED reflectoscope lamp Download PDFInfo
- Publication number
- CN201074748Y CN201074748Y CNU2007200551419U CN200720055141U CN201074748Y CN 201074748 Y CN201074748 Y CN 201074748Y CN U2007200551419 U CNU2007200551419 U CN U2007200551419U CN 200720055141 U CN200720055141 U CN 200720055141U CN 201074748 Y CN201074748 Y CN 201074748Y
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- power supply
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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 PCB control plate with control circuit, wherein three current-limiting resistances R1, R2, R3 and three paralleling LED lamps LED1, LED 2, LED 3 are arranged on the PCB control plate with control circuit, the current-limiting resistance R1 is connected with the LED 1 in parallel, the current-limiting resistance R2 is parallel connected with the LED 2, the current-limiting resistance R3 and LED 3 are connected with the positive pole of the power supply VDD after connected in series, and the three lamps LED 1, LED 2 and LED3 are respectively connected with the negative pole of the power supply VSS. The power supply VDD, VSS is connected with an external direct current DC power supply through a supply line with plug. The utility model can realize the illumination through various methods, thereby avoiding the effect one model lamp which can be only suitable to a special power supply adaptation.
Description
Technical field:
The utility model relates to a kind of LED shot-light light fixture, 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 lamp 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, and its defective is: this type of LED shot-light is not with Current limited Control, 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 and can use on the adaptation of the device for converting solar energy 3.6V of special use, again the LED shot-light that can use on the power supply adaptation of 4.5V.
Technical scheme: LED shot-light light fixture, comprise the Lamp cup on the lamp body, the PCB control panel of band control circuit, the PCB control panel of described band control circuit is provided with LED lamp LED1, LED2, the LED3 of three current-limiting resistance R1, R2, R3 and three parallel connections; Positive source VDD is also received in current-limiting resistance R1 connects with LED1, current-limiting resistance R2 connects with LED2, current-limiting resistance R3 connects with LED3 back, and three LED1, LED2, LED3 lamp negative poles and connecing with power cathode VSS are connected; Power vd D, VSS plug into by the electric power connection line and the external direct current DC power supply of band plug.
Plug into when using at the external direct current DC power supply dc source that is 3.6V solar energy, the electric current of its each LED lamp is 8-10mA, plugs into when using at the external direct current DC power supply dc source that is 4.5V, and the electric current of its each LED lamp is 20-25mA.
Described " power vd D, VSS plug into by the electric power connection line and the external direct current DC power supply of band plug " adopts general ￠ 5.5mm (DP5525L) plug to be connected with the external direct current DC power supply adaptation of different size 3.6V～4.5V.
The beneficial effects of the utility model are: use on the different power supply adaptation of 3.6V～4.5V for making this LED shot-light, here on the PCB of LED shot-light control panel, designed current-limiting control circuit, the about 8-10mA of operating current of each LED when the LED lamp is used when solar energy coupling power supply 3.6V, the about 20-25mA of operating current of each LED when other different external connection coupling dc source 4.5V power supply is used; Make the LED lamp 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, 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 light fixture;
Fig. 2 is the 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 3 below lampshade 1 with being provided with, ground insert 3 with lampshade 1 between be connected by tube connector 2; Be provided with the PCB control panel 8 of charged road and three parallel connection LED lamp groups in the lampshade 1, be welded with electric power connection line 9 on the PCB control panel 8, electric power connection line 9 is provided with general ￠ 5.5mm (DP5525L) attachment plug 10 and connects with external power source.
The circuit diagram of LED shot-light shown in Figure 3, wherein the PCB control panel with control circuit is provided with current-limiting control circuit.Specifically: the PCB control panel of band control circuit is provided with three 0.25 watt 56 Ω current-limiting resistance (R1, R2, R3).Current-limiting resistance R1 connects with LED1, current-limiting resistance R2 connects with LED2, current-limiting resistance R3 connects with LED3, described three LED lamps are in parallel after the series limiting resistor, anodal respectively and receive positive source VDD, and the LED lamp of three parallel connections (LED1, LED2, LED3) negative pole and connecing with power cathode VSS is connected.LED lamp with three parallel connections on the PCB control panel is formed a lamp body.
The electric current of its each LED lamp is 8-10mA when using in the dc source occasion of 3.6V solar energy, and the electric current of its each LED lamp is 20-25mA when using in the external direct current power supply occasion of 4.5V; Power vd D, VSS plug into by general ￠ 5.5mm (DP5525L) band plug 10 electric power connection lines and external direct current DC power supply.Plug 10 can be connected with the external direct current DC of input (IN) the power supply adaptation of different size 3.6V～4.5V.
The circuit theory of the utility model LED shot-light is: when outside connection power supply is solar energy 3.6VDC, 3.6V power supply splits into LED1, LED2, LED3 power supply respectively through resistance R 1, R2, R3, each electric current along separate routes is that 8-10mA is (because white light LEDs VF value is 3.2～3.5V), the pressure drop at current-limiting resistance two ends is about 0.6V, the voltage that then is added on the LED is 3.6V-0.6V=3.0V, make in the utilization of LED shot-light solar energy and realize energy-saving benefit, the LED lamp life-span is longer.When outside connection power supply is other adaptation of 4.5VDC, 4.5V power supply splits into LED1, LED2, LED3 power supply respectively through resistance R 1, R2, R3, each electric current along separate routes is about 20-25mA (because white light LEDs VF value is 3.2～3.5V), the pressure drop at current-limiting resistance two ends is about 1.3V, the voltage that then is added on the LED is 4.5V-1.3V=3.2V, and each LED lamp obtains luminescent condition completely; Its LED lamp is fully utilized, remains on the highest duty of LED shot-light luminous efficiency in the constant power supply occasion.
Claims (3)
1.LED the shot-light light fixture comprises the Lamp cup on the lamp body, the PCB control panel of band control circuit, it is characterized in that: the PCB control panel of band control circuit is provided with LED lamp LED1, LED2, the LED3 of three current-limiting resistance R1, R2, R3 and three parallel connections; Positive source VDD is also received in current-limiting resistance R1 connects with LED1, current-limiting resistance R2 connects with LED2, current-limiting resistance R3 connects with LED3 back, and three LED1, LED2, LED3 lamp negative poles and connecing with power cathode VSS are connected; Power vd D, VSS plug into by the electric power connection line and the external direct current DC power supply of band plug.
2. LED shot-light light fixture according to claim 1, it is characterized in that: plug into when using at the external direct current DC power supply dc source that is 3.6V solar energy, the electric current of its each LED lamp is 8-10mA, plug into when using at the external direct current DC power supply dc source that is 4.5V, the electric current of its each LED lamp is 20-25mA.
3. LED shot-light light fixture according to claim 1, it is characterized in that: described " power vd D, VSS plug into by the electric power connection line and the external direct current DC power supply of band plug " is that general ￠ 5.5mmDP5525L plug is connected with the external direct current DC power supply adaptation of different size 3.6V～4.5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200551419U CN201074748Y (en) | 2007-08-01 | 2007-08-01 | LED reflectoscope lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200551419U CN201074748Y (en) | 2007-08-01 | 2007-08-01 | LED reflectoscope lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201074748Y true CN201074748Y (en) | 2008-06-18 |
Family
ID=39520010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200551419U Expired - Fee Related CN201074748Y (en) | 2007-08-01 | 2007-08-01 | LED reflectoscope lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201074748Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10859215B2 (en) | 2017-02-27 | 2020-12-08 | Robert Bentley Chelf | Low voltage LED filament array lighting |
| USD913570S1 (en) | 2017-04-24 | 2021-03-16 | Robert Bentley Chelf | Filament-style LED array light |
-
2007
- 2007-08-01 CN CNU2007200551419U patent/CN201074748Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10859215B2 (en) | 2017-02-27 | 2020-12-08 | Robert Bentley Chelf | Low voltage LED filament array lighting |
| US11732846B2 (en) | 2017-02-27 | 2023-08-22 | Robert Bentley Chelf | Low voltage LED filament array lighting |
| USD913570S1 (en) | 2017-04-24 | 2021-03-16 | Robert Bentley Chelf | Filament-style LED array light |
| USD1016371S1 (en) | 2017-04-24 | 2024-02-27 | Robert Bentley Chelf | Filament-style LED array light |
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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 |