CN201795334U - LED lighting device - Google Patents
LED lighting device Download PDFInfo
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- CN201795334U CN201795334U CN2010202893588U CN201020289358U CN201795334U CN 201795334 U CN201795334 U CN 201795334U CN 2010202893588 U CN2010202893588 U CN 2010202893588U CN 201020289358 U CN201020289358 U CN 201020289358U CN 201795334 U CN201795334 U CN 201795334U
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- lamp
- led
- circuit
- led lamp
- cup
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Abstract
The utility model discloses an LED lighting device, which comprises an LED lamp, an LED lamp aluminum base board, a PCB, a lamp cup, a glass lamp shade, a base and an E27 lamp holder, and is characterized in that the LED lamp is welded at the center of the LED lamp aluminum base board, the LED lamp comprises 15 middle-power LED lamp cores, the LED lamp aluminum base board and the lamp cup are in embedded arrangement and combination, the lamp cup is designed into an inverted circular truncated core, the surface of the lamp cup has a fence structure, the LED lamp aluminum base board is connected with the lamp cup through bolts, the PCB is arranged in the hollow cavity of the lamp cup, a high-frequency transformer is arranged under the PCB and is arranged in the hollow cavity of the lamp cup, the upper part of the base is connected with the lamp cup, and the thread arranged at the lower part of the base is screwed with the E27 lamp holder. The utility model has the benefits that the LED lighting device can save resources and cost, and is simple to operate.
Description
[technical field]
The utility model relates to a kind of lighting device, relates to a kind of LED lighting device specifically.
[background technology]
At present, known LED lighting comprises LED lamp, LED lamp aluminium base, pcb board, constant voltage circuit, input adapter, Lamp cup, glass lamp shade, base, E27 lamp holder.Single like this product all can only have single colour temperature state, can not satisfy the consumption requirement.No matter be by day or night, the needed light color of consumer may be 3000K colour temperature or 6000K colour temperature, if with known LED light fixture list kind colour temperature, the consumer just needs to buy the LED light fixture of two kinds of colour temperatures.Will cause the waste of resource like this, also can cause economic pressures to the consumer, the defective value of described prior art must improve.
[utility model content]
The purpose of this utility model is at above-mentioned technological deficiency, and a kind of LED lighting device is provided, and this lighting device not only can overcome existing LED light fixture can not satisfy the weak point that two kinds of colour temperatures require, and safety simple to operate.
The technical solution of the utility model is as described below: a kind of LED lighting device, comprise the LED lamp, LED lamp aluminium base, pcb board, Lamp cup, glass lamp shade, base, the E27 lamp holder, it is characterized in that, described LED lamp is welded on the central authorities of LED lamp aluminium base, described LED lamp comprises 15 middle power LED wicks, described LED aluminium base and the assembling of Lamp cup inset type are synthetic, described Lamp cup is made as reverse frustoconic, its surface is made as bar structure, described LED aluminium base is connected with Lamp cup through bolt, described pcb board is contained in the Lamp cup cavity, described pcb board below is provided with high frequency transformer and places in the Lamp cup cavity, described base top is connected with Lamp cup, and screw thread that described base is provided with through the bottom and E27 lamp holder are twisted and lumped together.
The utility model according to said structure is characterized in that, described glass lamp shade is located on the LED lamp aluminium base and is connected with Lamp cup.
The utility model according to said structure is characterized in that, is fitted with heat-conducting cream between LED lamp aluminium base and the Lamp cup contact-making surface.
The utility model according to said structure, it is characterized in that, described high frequency transformer comprises the EE16 magnetic core, three groups of coils are arranged, totally four windings, primary coil divide inside and outside two groups closely to encase the output winding, the output winding adopt thick copper lines close around, the feedback winding is isolated around three-layer insulated gummed paper between the winding at outermost layer.
The utility model according to said structure is characterized in that, described glass lamp shade below is provided with the accessory ring.
The utility model according to said structure is characterized in that, the power input line of E27 lamp holder connects Switching Power Supply plate input, and output is welded in the positive and negative pin pad of LED lamp through LED lamp connecting line according to polarity.
The utility model according to said structure is characterized in that, described pcb board is provided with switching power circuit and single chip machine controlling circuit.
The utility model according to said structure, it is characterized in that, described switching power circuit comprises elementary current rectifying and wave filtering circuit, switch and pwm control circuit, the secondary commutation filter circuit, constant voltage circuit, feedback circuit, control circuit, described elementary current rectifying and wave filtering circuit is connected with switch and pwm control circuit, described switch and pwm control circuit are connected with the secondary commutation filter circuit, described secondary commutation filter circuit is connected with constant voltage circuit, described constant voltage circuit is connected with control circuit with feedback circuit, described control circuit is connected with output loading, and described feedback circuit is connected with switch and pwm control circuit.
The utility model according to said structure, its beneficial effect is, the utility model adopts the high efficiency LED lamp of 15 0.5W to be equivalent to the luminous intensity of the incandescent lamp of 50W, and the utility model constant voltage Switching Power Supply adds control circuit makes the LED current stabilization at 270mA ± 10mA, and electric current is constant all the time.The utility model adopts the heat radiation of car aluminium Lamp cup, has improved radiating effect greatly, and the utility model lampshade adopts in the clear glass and is coated with white oil, anti-dazzle, and the utility model economizes on resources, and saves cost, and simple to operate.
[description of drawings]
Accompanying drawing 1 is the utility model overall structure figure;
Accompanying drawing 2 is the cutaway view of Fig. 1;
Accompanying drawing 3 is the utility model STRUCTURE DECOMPOSITION figure;
Accompanying drawing 4 is the utility model switching power circuit block diagram;
Accompanying drawing 5 is the utility model high frequency transformer schematic diagram;
Accompanying drawing 6 is the utility model high-frequency transformer winding structure figure;
Accompanying drawing 7 is the utility model Switching Power Supply plate circuit diagram;
Glass lamp shade in the drawings, 1; 2, LED lamp; 3, LED aluminium base; 4, accessory ring; 5, Lamp cup; 6, pcb board; 7, high frequency transformer; 8, base; 9, E27 lamp holder; 10, LED lamp connecting line; 11, power input line.
[specific embodiment]
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
As Fig. 1, Fig. 2, shown in Figure 3, a kind of LED lighting device, comprise LED lamp 2, LED lamp aluminium base 3, pcb board 6, Lamp cup 5, glass lamp shade 1, base 8, E27 lamp holder 9, it is characterized in that, described LED lamp 2 is welded on LED lamp aluminum plate 3 central authorities, LED lamp 2 uses 15 middle power LED wicks of 3.1V/150mA, efficient energy-saving; Printed wire is arranged, insulation is good, described LED aluminum plate 3 is synthetic with the assembling of Lamp cup 5 inset types, and the tool contact area is increased, and described Lamp cup 5 is a reverse frustoconic, its heat conductivility is more superior, phenomenons such as local temperature height can not occur, its surface is made as bar structure, and it is logical to be convenient to cross-ventilation, also increased simultaneously the area of dissipation of aluminium cup, radiating effect is better; Described LED aluminium base 3 is connected with following Lamp cup 5 through bolt, described pcb board 6 is contained in Lamp cup 5 cavitys, described pcb board 6 belows are provided with high frequency transformer 7 and place in Lamp cup 5 cavitys, and described base 8 tops are connected with Lamp cup 5, and screw thread that described base 8 is provided with through the bottom and E27 lamp holder 9 are twisted and lumped together.Described glass lamp shade 1 is located on the LED lamp aluminium base 3 and is connected with Lamp cup 5, and described glass lamp shade 1 is vaporific white, and light is soft.Described glass lamp shade 1 below is provided with accessory ring 4, is convenient to make glass lamp shade 1 to can be good at fixing.Be fitted with heat-conducting cream between described LED lamp aluminium base 3 and Lamp cup 5 contact-making surfaces, strengthen its radiating effect.Described pcb board 6 is provided with switching power circuit and single chip machine controlling circuit.The power input line 11 of described E27 lamp holder 9 connects the switching power circuit input, and output is welded in LED lamp 2 positive and negative pin pads through LED connecting line 10 according to polarity.
As Fig. 4, shown in Figure 7, described switching power circuit comprises elementary current rectifying and wave filtering circuit, switch and pwm control circuit, secondary commutation filter circuit, constant voltage circuit, feedback circuit, control circuit.Described elementary current rectifying and wave filtering circuit is connected with switch and pwm control circuit, described switch and pwm control circuit are connected with the secondary commutation filter circuit, described secondary commutation filter circuit is connected with constant voltage circuit, described constant voltage circuit is connected with control circuit with feedback circuit, described control circuit is connected with output loading, and described feedback circuit is connected with switch and pwm control circuit.Switching Power Supply has strict insulation, withstand voltage reaching more than the 4000V to elementary current rectifying and wave filtering circuit and secondary commutation filter circuit.Switching Power Supply adopts VIPER22A, in establish pwm circuit, peripheral circuit is simple in structure.Switching Power Supply output commutation diode D3 adopts Ultrafast recovery diode ES2D.Output filter capacitor C7 adopts 47uF/25V, and C8 adopts the low internal resistance electrochemical capacitor of 100uF/25V ESR high frequency, can be to the effective filtering of the high-frequency pulse voltage after the rectification, the high frequency internal resistance is minimum, less than 80 milliohms, so the filter capacitor heating is little, life-span is long, has improved delivery efficiency.Common electrochemical capacitor internal resistance is greater than 0.3 Europe, and heating is serious, and electrolyte inside can be dried, and the life-span is short, and efficient is low.Switching Power Supply is used the accurate constant voltage circuit of TL431.Feedback circuit comprises U2AB and PC817, and control circuit comprises single-chip microcomputer U4 and MOSFET Q2, and Q3 control output current size makes the circuit steady operation.
As Fig. 5, shown in Figure 6, described high frequency transformer adopts the EE16 magnetic core, 3 groups of coils is arranged, totally 4 windings; Primary coil divides inside and outside two groups closely to encase the output winding; The output winding adopt thick copper lines close around; The feedback winding is isolated around 3 layers of insulation gummed paper between the winding at outermost layer, and transformer soaks the insulated paint insulation.Described high frequency transformer comprises the EE16 magnetic core, and volume is less, and the e pin enclosed 1 layer two groups around 54 and closely encases the output winding to the g pin is close around 2 layers of outer tap of 54 circles to tap is close in primary coil divided, and leakage inductance is minimum; Output winding a pin to b pin adopts the 0.35mm thick copper lines close around 1 layer on 20 circles, and internal resistance is minimum; Feedback winding d pin to c pin is dredged around 19 circles at outermost layer, and 1 layer, be used for providing power supply to Switching Power Supply IC, make Switching Power Supply work in high conversion efficiency.Isolate around three-layer insulated gummed paper between the winding, transformer soaks the insulated paint insulation.So the high frequency transformer of this utility model is higher more than 10% than known Regular History Frequency transformer efficiency.
Using method of the present utility model, the course of work and principle:
The utility model is equipped with the E27 lamp holder, and connecing the wide voltage civil power of 85V-26VAC can use, safe and efficient, easy to use.The applied in any combination of Switching Power Supply that the utility model employing VIPER22A does and the single-chip microcomputer 12F629 control circuit of PIC, efficient height, the conversion of energy better controlled LED light fixture colour temperature.On LED light color temperature is used, adopt the LED lamp of two kinds of different-colours, a kind of 3000K of being colour temperature another kind is the 20000K colour temperature, the LED lamp of 3000K colour temperature is one group, the LED lamp of 20000K colour temperature is one group, be divided into two groups of controls, use single chip machine controlling circuit and control two groups of size of current of switching back LED lamp, reach the effect of two kinds of colour temperature conversion.Change the switching of two kinds of colour temperatures of LED light fixture, only need after opening the input power switch, promptly be defaulted as LED light fixture colour temperature 3000K, have only this moment this group of 3000K LED lamp bright, start for the first time is a kind of state, turn off power switch after 1 second, turning on the power switch back LED light fixture colour temperature again is 6000K, this moment, two groups of LED lamps were all bright, this group of 3000K colour temperature LED electric current is reduced to 45% of former incoming current, this group of 20000K colour temperature LED lamp is the full load electric current, utilizes the blue partially effect of this group color of 20000K colour temperature to mix into the effect of 6000K colour temperature with this group of 3000K colour temperature.Close swap switch once more after 1 second, turn on the power switch the 3000K of LED colour temperature, repeat above operation and just can easily switch two kinds of colour temperature states of LED light fixture for acquiescence.
Claims (8)
1. LED lighting device, comprise the LED lamp, LED lamp aluminium base, pcb board, Lamp cup, glass lamp shade, base, the E27 lamp holder, it is characterized in that: described LED lamp (2) is welded on the central authorities of LED lamp aluminium base (3), described LED lamp (2) comprises 15 middle power LED wicks, described LED aluminium base (3) is synthetic with the assembling of Lamp cup (5) inset type, described Lamp cup (5) is made as reverse frustoconic, its surface is made as bar structure, described LED aluminium base (3) is connected with Lamp cup (5) through bolt, described pcb board (6) is contained in Lamp cup (5) cavity, described pcb board (6) below is provided with high frequency transformer (7) and places in Lamp cup (5) cavity, described base (8) top is connected with Lamp cup (5), and screw thread that described base (8) is provided with through the bottom and E27 lamp holder (9) are twisted and lumped together.
2. high-power LED illuminating device according to claim 1 is characterized in that: described glass lamp shade (1) is located at LED lamp aluminium base (3) and upward is connected with Lamp cup (5).
3. high-power LED illuminating device according to claim 1 is characterized in that: be fitted with heat-conducting cream between LED lamp aluminium base (3) and Lamp cup (5) contact-making surface.
4. high-power LED illuminating device according to claim 1, it is characterized in that: described high frequency transformer comprises the EE16 magnetic core, three groups of coils are arranged, totally four windings, primary coil divides inside and outside two groups closely to encase the output winding, the output winding adopt thick copper lines close around, the feedback winding is isolated around three-layer insulated gummed paper between the winding at outermost layer.
5. high-power LED illuminating device according to claim 1 and 2 is characterized in that: described glass lamp shade (1) below is provided with accessory ring (4).
6. high-power LED illuminating device according to claim 1 is characterized in that: the power input line (11) of E27 lamp holder (9) connects Switching Power Supply plate input, and output is welded in the positive and negative pin pad of LED lamp (2) through LED lamp connecting line (10) according to polarity.
7. high-power LED illuminating device according to claim 1 is characterized in that: described pcb board (6) is provided with switching power circuit and single chip machine controlling circuit.
8. high-power LED illuminating device according to claim 7, it is characterized in that: described switching power circuit comprises elementary current rectifying and wave filtering circuit, switch and pwm control circuit, the secondary commutation filter circuit, constant voltage circuit, feedback circuit, control circuit, described elementary current rectifying and wave filtering circuit is connected with switch and pwm control circuit, described switch and pwm control circuit are connected with the secondary commutation filter circuit, described secondary commutation filter circuit is connected with constant voltage circuit, described constant voltage circuit is connected with control circuit with feedback circuit, described control circuit is connected with output loading, and described feedback circuit is connected with switch and pwm control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202893588U CN201795334U (en) | 2010-08-06 | 2010-08-06 | LED lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202893588U CN201795334U (en) | 2010-08-06 | 2010-08-06 | LED lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201795334U true CN201795334U (en) | 2011-04-13 |
Family
ID=43850241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202893588U Expired - Fee Related CN201795334U (en) | 2010-08-06 | 2010-08-06 | LED lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201795334U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767701A (en) * | 2011-05-03 | 2012-11-07 | 深圳市裕富照明有限公司 | LED (light-emitting diode) bulb lamp with wide angle |
| CN103292175A (en) * | 2013-04-25 | 2013-09-11 | 湖南三福智中光电有限公司 | LED bulb lamp |
| WO2016041130A1 (en) * | 2014-09-15 | 2016-03-24 | 东莞励国照明有限公司 | Led lamp and manufacturing process therefor |
-
2010
- 2010-08-06 CN CN2010202893588U patent/CN201795334U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767701A (en) * | 2011-05-03 | 2012-11-07 | 深圳市裕富照明有限公司 | LED (light-emitting diode) bulb lamp with wide angle |
| CN102767701B (en) * | 2011-05-03 | 2014-05-07 | 深圳市裕富照明有限公司 | LED (light-emitting diode) bulb lamp with wide angle |
| CN103292175A (en) * | 2013-04-25 | 2013-09-11 | 湖南三福智中光电有限公司 | LED bulb lamp |
| WO2016041130A1 (en) * | 2014-09-15 | 2016-03-24 | 东莞励国照明有限公司 | Led lamp and manufacturing process therefor |
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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: 20110413 Termination date: 20160806 |