CN201014376Y - High power LED lighting lamp - Google Patents
High power LED lighting lamp Download PDFInfo
- Publication number
- CN201014376Y CN201014376Y CNU2007200335462U CN200720033546U CN201014376Y CN 201014376 Y CN201014376 Y CN 201014376Y CN U2007200335462 U CNU2007200335462 U CN U2007200335462U CN 200720033546 U CN200720033546 U CN 200720033546U CN 201014376 Y CN201014376 Y CN 201014376Y
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- CN
- China
- Prior art keywords
- power led
- circuit board
- lamp housing
- circuit
- led illuminating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a high power LED lamp, comprising a cup-shaped standard lamp shell; a circuit board is arranged in the standard lamp shell; a cup-shaped enclosed space is formed between the lamp shell and the circuit board; one side of the circuit board facing the enclosed space is provided with driving circuit elements, comprising a transformer; the driving circuit elements are arranged on the circuit board according to heights from the center of the circuit board down to the edges of the circuit board, wherein, the transformer is arranged in the center of the circuit board; the other side of the circuit board is provided with a high power LED which is connected with a driving output end of the high power LED driving circuit. The high power LED lamp of the utility model integrates the driving circuit and the high power LED into a whole and the driving circuit and the high power LED are arranged in a mini-spaced standard lamp shell.
Description
Technical field
The utility model relates to a kind of high-power LED illuminating lamp.
Background technology
Present standard decorative illumination lamp is as: MR16 lamp, little lamp and the milk bubble lamp etc. of sending, and mainly is made of corresponding cup-shaped standard housings, the reflective mirror and the bulb that are arranged in the standard housings.Its weak point is: the bulb power consumption is big, luminosity is low, service life is short; Bulb driving circuit separates with bulb, and versatility is poor under civil power commonly used, is not easy to install and use.
The utility model content
Technical problem to be solved in the utility model provides a kind of drive circuit and great power LED constitutes one and is located at the interior high-power LED illuminating lamp of the less cup-shaped standard lamp housing in space.
The standard lamp housing of cup-shaped described in the utility model is meant MR16 lamp, little housing of sending lamp and milk bubble lamp.
For solving the problems of the technologies described above, the utility model provides a kind of high-power LED illuminating lamp, comprises the standard lamp housing of cup-shaped; Circuit board is located in the standard lamp housing; Form the cup-shaped enclosure space between lamp housing and the circuit board, one side in circuit board relative closure space is provided with the components of drive circuit that comprises transformer, components of drive circuit descends by height mind-set edge from circuit board and is arranged on the circuit board, and wherein transformer is located at the central authorities of circuit board; The opposite side of circuit board is provided with the great power LED that links to each other with the drive output of high-power LED drive circuit.
In the technique scheme, described great power LED has the heat-conducting metal bottom surface; Be provided with deposited copper with a side of great power LED opposed circuit boards, this deposited copper surface does not have paint; Described deposited copper surface is located in the heat-conducting metal bottom surface of great power LED.
In the technique scheme, the described circuit board in the standard lamp housing is circular pcb board.
In the technique scheme, the edge of circuit board is evenly distributed with spliced eye; Be provided with the connection-peg that matches with described spliced eye on the standard envelope inner wall and with the spliced eye corresponding section of board edge.
In the technique scheme, be provided with bowl-shape reflecting plate in the standard lamp housing, reflecting plate central authorities are provided with through hole, and the illuminating part of great power LED stretches out through hole; Described deposited copper surface is located in the reflecting plate bottom.
In the technique scheme, standard lamp housing front end is provided with Transparent lamp shade; Transparent lamp shade central authorities are provided with convex lens.
In the technique scheme, transformer adopting RM type, PM type, Q type, POT type or the design of the EC sections heart.
In the technique scheme, transformer adopting EE type, the design of the EI sections heart; The geometric volume parameter of iron core and coil skeleton structure is less than 13.5mm * 12.5mm * 12.5mm.
The utlity model has positive effect: in (1) high-power LED illuminating lamp of the present utility model, transformer is located at circuit board central authorities, all the other elements of drive circuit descend by height mind-set edge from circuit board and are arranged on the circuit board, so that the drive circuit and the great power LED of one to be set in the less cup-shaped standard lamp housing in space.(2) in the utility model, described deposited copper surface is located in the heat-conducting metal bottom surface of great power LED, utilizes the metal surface heat radiation of circuit board, and is simple in structure, with low cost.(3) in the utility model, circuit board adopts circular pcb board, and it is low to be suitable for improving space service efficiency and cost.(4) in the utility model, circuit board is pegged graft with the standard envelope inner wall and is cooperated, and assembles simple and convenient.(5) in the utility model, described deposited copper surface is located in the reflecting plate bottom, is beneficial to heat radiation.(6) in the utility model, the RM type of transformer adopting, PM type, Q type, POT type or the design of the EC sections heart are suitable for making small size inserting in the standard lamp housing, and can reduce cost.
Description of drawings
Fig. 1 is the structural representation of standard lamp housing of the high-power LED illuminating lamp of embodiment 1.
Fig. 2 is that the C of Fig. 1 is to view.
Fig. 3 and Fig. 4 are the structural representation of the circuit board in the high-power LED illuminating lamp of embodiment 1.
Fig. 5 is the structural representation of the Transparent lamp shade in the high-power LED illuminating lamp of embodiment 1.
Fig. 6 is the A-A cutaway view among Fig. 5.
Fig. 7 is the structural representation of the bowl-shape reflecting plate in the high-power LED illuminating lamp of embodiment 1.
Fig. 8 is the B-B cutaway view among Fig. 7.
Fig. 9 is the structural representation of standard lamp housing of the high-power LED illuminating lamp of embodiment 2.
Figure 10 is the structural representation of standard lamp housing of the high-power LED illuminating lamp of embodiment 3.
Figure 11 is the Transparent lamp shade of the high-power LED illuminating lamp among Figure 10.
Figure 12 is the circuit theory diagrams of drive circuit of the high-power LED illuminating lamp of embodiment 1.
Figure 13 is the circuit block diagram of drive circuit of the high-power LED illuminating lamp of embodiment 1.
The specific embodiment
Embodiment 1
See Fig. 1-4, the standard lamp housing 1 that comprises cup-shaped (present embodiment is meant the lamp housing of MR16 lamp) of the high-power LED illuminating lamp of present embodiment; Circuit board 2 is that circular pcb board is located in the standard lamp housing 1; A side relative with standard lamp housing bottom of circuit board 2 is provided with components of drive circuit, and components of drive circuit descends by height mind-set edge from circuit board 2 and is arranged on the circuit board 2, and wherein transformer 21 is located at circuit board 2 central authorities; The opposite side of circuit board 2 is provided with the great power LED 22 that links to each other with the drive output of high-power LED drive circuit.
Described great power LED 22 has the heat-conducting metal bottom surface; Be provided with deposited copper with a side of great power LED 22 opposed circuit boards 2, this deposited copper surface does not have paint; Described deposited copper surface is located in the heat-conducting metal bottom surface of great power LED 22.
The edge of circuit board 2 is evenly distributed with spliced eye 23; Be provided with the connection-peg 11 that matches with described spliced eye on standard lamp housing 1 inwall and with the spliced eye corresponding section at circuit board 2 edges.
See Fig. 7-8, in the standard lamp housing 1, the front end of great power LED 22 is provided with bowl-shape reflecting plate 3, reflecting plate 3 central authorities are provided with the through hole 31 that the illuminating part that is suitable for great power LED 22 stretches out; Described deposited copper surface on reflecting plate 3 back sides and the circuit board 2 is close to, and also can be welded as a whole, to strengthen the radiating effect of system.
See Fig. 5-6, standard lamp housing 1 front end is provided with Transparent lamp shade 4; Transparent lamp shade 4 central authorities are provided with convex lens 41.
See Figure 13, the drive circuit of the high-power LED illuminating lamp of present embodiment constitutes electric current and voltage by AC-DC circuit, Switching Power Supply high frequency transformer, current rectifying and wave filtering circuit, amplifying circuit, great power LED, feedback control circuit and PWM adjusting control circuit and jointly controls the type drive circuit.The AC-DC circuit is paster commutation diode or paster rectifier bridge; The outprimary of the power output end of AC-DC circuit and Switching Power Supply high frequency transformer is electrically connected; The secondary coil of Switching Power Supply high frequency transformer is connected in series at least 1 great power LED behind current rectifying and wave filtering circuit; The feedback input end of feedback control circuit is sent in the electric current output of great power LED behind LED current detecting and amplifying circuit; The feedback output end of feedback control circuit connects the control input end that PWM regulates control circuit; PWM regulates the PWM switch controlling signal output of control circuit and the control input end of Switching Power Supply high frequency transformer is electrically connected.
See Figure 12, UP is the Switching Power Supply control chip, and TR is a high frequency transformer, and T1 is high pressure IGBT or MOSFET pipe.Output voltage produces PWM modulating wave adjustment Vout output voltage by FB (voltage detecting) port that the Vout end feeds back to UP, and Vout drives 1-5 power LED that is cascaded.Current sense resistor R10 and R9 constitute the current sampling resistor that flows through power LED current in loop sample resistance and flow through the primary inductance respectively.Flow through voltage that R10 go up to produce and amplify the ISEN (Current Feedback Control end) that delivers to UP with the electric current formed voltage that flows through R9 in the back through operational amplifier A and realize that the PWM dutycycle of UP output signal adjusts, reach the purpose that the electric current in the power LED is flow through in control.
Adopt surface mount elements for saving in the circuit design of space as far as possible; Be to reduce the circuit heating, that the conduction voltage drop of switching device requires is as far as possible little, starting resistance and detect resistance and require its power consumption in circuit as far as possible little.
Claims (8)
1. high-power LED illuminating lamp comprises the standard lamp housing (1) of cup-shaped; It is characterized in that: circuit board (2) is located in the standard lamp housing (1); Form the cup-shaped enclosure space between lamp housing (1) and the circuit board (2), one side in circuit board (2) relative closure space is provided with the components of drive circuit that comprises transformer (21), components of drive circuit descends by height mind-set edge from circuit board (2) and is arranged on the circuit board (2), and wherein transformer (21) is located at the central authorities of circuit board (2); The opposite side of circuit board (2) is provided with the great power LED (22) that links to each other with the drive output of high-power LED drive circuit.
2. high-power LED illuminating lamp according to claim 1 is characterized in that: described great power LED (22) has the heat-conducting metal bottom surface; Be provided with deposited copper with a side of great power LED (22) opposed circuit boards (2), this deposited copper surface does not have paint; Described deposited copper surface is located in the heat-conducting metal bottom surface of great power LED (22).
3. high-power LED illuminating lamp according to claim 2 is characterized in that: the described circuit board (2) in the standard lamp housing (1) is circular pcb board.
4. according to claim 1 or 3 described high-power LED illuminating lamps, it is characterized in that: the edge of circuit board (2) is evenly distributed with spliced eye (23); Be provided with the connection-peg (11) that matches with described spliced eye on standard lamp housing (1) inwall and with the spliced eye corresponding section at circuit board (2) edge.
5. high-power LED illuminating lamp according to claim 4 is characterized in that: be provided with bowl-shape reflecting plate (3) in the standard lamp housing (1), reflecting plate (3) central authorities are provided with through hole (31), and the illuminating part of great power LED (22) stretches out through hole (31); Described deposited copper surface is located in reflecting plate (3) bottom.
6. high-power LED illuminating lamp according to claim 4 is characterized in that: standard lamp housing (1) front end is provided with Transparent lamp shade (4); Transparent lamp shade (4) central authorities are provided with convex lens (41).
7. high-power LED illuminating lamp according to claim 4 is characterized in that: transformer (21) adopts RM type, PM type, Q type, POT type or the design of the EC sections heart.
8. high-power LED illuminating lamp according to claim 4 is characterized in that: transformer (21) adopts EE type, the design of the EI sections heart; The geometric volume parameter of iron core and coil skeleton structure is less than 13.5mm * 12.5mm * 12.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200335462U CN201014376Y (en) | 2007-01-12 | 2007-01-12 | High power LED lighting lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200335462U CN201014376Y (en) | 2007-01-12 | 2007-01-12 | High power LED lighting lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201014376Y true CN201014376Y (en) | 2008-01-30 |
Family
ID=39026170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200335462U Expired - Fee Related CN201014376Y (en) | 2007-01-12 | 2007-01-12 | High power LED lighting lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201014376Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470969A (en) * | 2012-06-08 | 2013-12-25 | 赵依军 | LED (Light Emitting Diode) illumination device for generating directional light beams |
-
2007
- 2007-01-12 CN CNU2007200335462U patent/CN201014376Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470969A (en) * | 2012-06-08 | 2013-12-25 | 赵依军 | LED (Light Emitting Diode) illumination device for generating directional light beams |
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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: 20080130 Termination date: 20110112 |