CN201078608Y

CN201078608Y - LED road lamp capable of quadrate light regrouping

Info

Publication number: CN201078608Y
Application number: CNU2007200280845U
Authority: CN
Inventors: 张立平
Original assignee: JINAN LION TECHNOLOGY Co Ltd
Current assignee: JINAN LION TECHNOLOGY Co Ltd
Priority date: 2007-09-20
Filing date: 2007-09-20
Publication date: 2008-06-25
Anticipated expiration: 2017-09-20

Abstract

The utility model relates to a street lamp, in particular to an LED street lampshade capable of recombining for secondary optical, which comprises a lamp shell, power supply wires, a module fixing plate, a radiating window, a power supply, a connecting piece and a module radiating flange; wherein, the module fixing plate is fixed on the lamp shell; the radiating window is arranged at top of the lamp shell; the power supply is positioned in the lamp shell and is connected with an aluminium base through the power supply wires. In addition, the utility model comprises a lighting module on the module fixing plate; the lighting module comprises a lamp bead, a reflecting shade, an aluminium base, a radiating flange, a power adapter, a connecting terminal and a secondary optical recombination structure; wherein, the reflecting shade is fixed on the aluminium base, which is provided with lamp bead fixing slots; the aluminium base is fixed on the radiating flange through screws and the two are adhered and connected with each other through conducting silicon-lipid layer; the power adapter is embedded in the radiating flange, which is internally provided with a circuit board; besides, an intake connection terminal and an exhaust connection terminal are provided in fitting with the power adapter.

Description

But a kind of LED street lamp of secondary light reorganization

Technical field

The utility model relates to a kind of street lamp, but specifically is a kind of LED street lamp of secondary light reorganization.

Background technology

The street lamp that generally uses mostly is common incandescent lamp and high-pressure mercury lamp now, power is all at 150W-400W, there are many problems in incandescent lamp and high-pressure mercury lamp: power consumption is huge, and conventional road lamp can only normally use under electric power provides sufficient situation, simultaneously in actual applications, for using electricity wisely, all can regulate the bright dark of lamp in the different periods; Conventional road lamp very easily damages fluorescent tube when being lower than rated power work; Street lamp mostly is to be erected on the electric pole, and the life-span weak point of bulb just need often overhaul, safeguards and change, and has brought inconvenience, wastes a large amount of financial resources, material resources.

Summary of the invention

The utility model is in order to address the above problem, designed a kind of based on led technology can secondary light the LED street lamp of reorganization, this LED street lamp life-span is long, light efficiency is high, no harmful radiation, low-power consumption, shock resistance, and realized the secondary light reorganization of LED street lamp under the nominal light flux to road lighting, the control of light harvesting flux, no eddy current heat radiation, constant-power power source, rainproof and secondary light are reconstituted in one, meet all over the world the different requirements to road lighting.

LED street lamp of the present utility model comprises lamp housing, power line, module fixed head, heat radiation window, power supply, connector, module fin, wherein, the module fixed head is fixed on the lamp housing, and the heat radiation window is arranged on the lamp housing top, power supply is arranged on lamp housing inside, and is connected with aluminium base with power line; Also comprise the illuminating module that is arranged on the module fixed head, illuminating module comprises lamp pearl, reflection shield, aluminium base, fin, power supply adaptor, binding post and secondary light recombination structure, wherein, reflection shield is fixed on the aluminium base, and it is provided with lamp pearl holddown groove; Aluminium base is fixed on the fin by screw, and fits tightly connection with the heat-conducting silicone grease layer between the two; Power supply adaptor is embedded in the fin, and its inside is provided with circuit board, and cooperates adapter to be provided with input terminal and outlet terminal.

Wherein, described fin is that antigravity does not have the aluminium base heat loss through convection sheet of vortex patern, and aluminium base is the conduction type aluminum-based circuit board, and power supply adaptor is embedded permanent power adapters; Described lamp housing is that high die casting aluminium forms, anticorrosion, and through the electrostatic spraying processing.

Described illuminating module is fixed on the module fixed head with connector; And aluminium base is a rectangle, and adopting surface mounted LED is laterally and is staggered, and is evenly distributed on the aluminium base, and the LED spacing does not wait from 1.5cm to 4cm according to the module power number difference of customization; The aluminium base middle part is provided with two installing holes, aluminium base is fixed on the LED fin by installing hole with cheese head screw, and there is the heat-conducting silicone grease layer centre.

Description of drawings

Fig. 1 is a front view of the present utility model;

Fig. 2 is a rearview of the present utility model;

Fig. 3 is a vertical view of the present utility model;

Fig. 4 is a left view of the present utility model;

Fig. 5 is a right view of the present utility model;

Fig. 6 is a cutaway view one of the present utility model;

Fig. 7 is a cutaway view two of the present utility model;

Fig. 8 is an aluminium base vertical view in the utility model;

Fig. 9 is an illuminating module cutaway view in the utility model;

Figure 10 is the circuit diagram of power supply adaptor in the utility model;

Wherein, 1 is LED street lamp module; 2 is the module fixed head; 3 is power line; 4 is lamp housing; 5 are the heat radiation window; 6 is the module fin; 7 is aluminium base; 8 is LED lamp pearl; 9 is connector; 10 is reflection shield; 11 is aluminium base heat loss through convection sheet; 12 is power supply adaptor; 13 is binding post; 14 is the secondary light recombination structure, and 15 is power supply.

The specific embodiment

Further specify, explain the technical program with non-limiting embodiment below.

LED street lamp of the present utility model comprises lamp housing 4, power line 3, module fixed head 2, heat radiation window 5, power supply 15, connector 9, module fin 6, wherein, module fixed head 2 is fixed on the lamp housing 4, heat radiation window 5 is arranged on lamp housing 4 tops, power supply 15 is arranged on lamp housing 4 inside, and is connected with aluminium base 7 with power line 3; Also comprise the illuminating module that is arranged on the module fixed head 2, illuminating module comprises lamp pearl 8, reflection shield 10, aluminium base 7, fin 11, power supply adaptor 12, binding post 13 and secondary light recombination structure 14, wherein, reflection shield 10 is fixed on the aluminium base 7, and it is provided with lamp pearl holddown groove; Aluminium base 7 is fixed on the fin 11 by screw, and fits tightly connection with the heat-conducting silicone grease layer between the two; Power supply adaptor 12 is embedded in the fin 11, and its inside is provided with circuit board, and cooperates adapter 12 to be provided with line terminals 13, and binding post 13 can be divided into into binding post and go out binding post.

Wherein, described fin 11 does not have the aluminium base heat loss through convection sheet of vortex patern for antigravity, and aluminium base 7 is conduction type aluminum-based circuit board, and power adapters 12 is embedded permanent power adapters; Described lamp housing 4 is that high die casting aluminium forms, anticorrosion, and through the electrostatic spraying processing.

Described illuminating module is fixed on the module fixed head 2 with connector 9; And aluminium base 7 is a rectangle, and adopting surface mounted LED is laterally and is staggered, and is evenly distributed on the aluminium base 7, and the LED spacing does not wait from 1.5cm to 4cm according to the module power number difference of customization; Aluminium base 7 middle parts are provided with two installing holes, aluminium base 7 are fixed on the LED fin 11 by installing hole with cheese head screw, and there is the heat-conducting silicone grease layer centre.

During use, illuminating module is fixed on the module fixed head 2, cooperates the circuit diagram of the power supply adaptor 12 among the figure, illuminating module work.

Below be explanation to circuit diagram:

1. be the function of integrated circuit and the function of each pin below:

XN_LED_374: the power that company develops voluntarily/control module, this module internal are integrated with 8051 single-chip microcomputers and one group of power device and corresponding peripheral component thereof, and it has functions such as data acquisition, the work of control power device.Each pin definitions and being described below:

1 pin: power device control end

2 pin: feedback signal sampling end

3 pin: earth terminal

4 pin: power device earth terminal

5 pin: working power

6 pin: power device power end

TL431: it belongs to the adjustable energy gap power supply of three ends, utilizes two non-essential resistances can set the interior any reference voltage value of 2.5V-36V scope.

1 pin: Uref reference voltage 2.5V

2 pin: A is an anode, needs ground connection during use

3 pin: K is a negative electrode, needs to connect positive supply through current-limiting resistance

PC817: photo-coupler, be called for short optocoupler.

1 pin: infrared light-emitting diode LED anode

2 pin: infrared light-emitting diode LED negative electrode

3 pin: transistor emitter

4 pin: transistor collector

2, circuit working principle

Rectification: after system's energising, after safety electric capacity and the filtering of EMI filter inductance, advance rectifier bridge RS206, obtain direct current 310V then.Clamping protective circuit: this part is made up of two 150K resistance, a 2200P/2KV ceramic disc capacitor and a Ultrafast recovery diode FR107, and this circuit is received in the drain electrode of power device, is used for absorbing peak voltage.

Starting of oscillation: 310V advances XN_LED_374 module 1 pin through a 750K resistance, provide a starting of oscillation voltage to power device, this moment, power device drain electrode and source electrode were straight-through, 310V is elementary by transformer, through power device, at last through a resistance eutral grounding, give a 1000P electric capacity charging simultaneously, after 1000P electric capacity was charged to 0.7V, triode 8050 and 8550 had just been opened, this moment the XN_LED_374 module 1 pin ground connection, be low level, this moment, power device turn-offed, and system finishes once vibration, at this moment transformer secondary output produces two groups of voltages, i.e. output voltage and feedback voltage simultaneously.After starting of oscillation is finished, XN_LED_374 module power device waveform will be provided through a capacitance resistance by feedback voltage.

Pressure limiting: behind transformer secondary output output voltage process electric capacity and the inductance rectifying and wave-filtering,, obtain ceiling voltage through Zener diode reversal connection over the ground.

Constant current: when constant-current circuit worked, constant voltage circuit lost efficacy.

3, circuit running

At first defining Z02 (TL431) 3 pin negative electrodes is the earth, when electric current increases, Z03 (TL431) 3 pin cathode voltage increase → Z03 (TL431) 2 pin voltage increase → Z02 (TL431) 1 pin reference voltage increase → Z02 (TL431) 2 pin anode voltage increase → PC817 infrared light-emitting diode LED electric currents reduce → and PC817 triode electric current reduces → the 1000P charging voltage reduces → and triode 8050 and 8550 electric currents reduce → feed back to the XN_LED_374 module internal, through handling, producing the adjustment signal promptly increases dutycycle.Otherwise, when electric current reduces, Z03 (TL431) 3 pin cathode voltages reduce → and Z03 (TL431) 2 pin voltages reduce → Z02 (TL431) 1 pin reference voltage reduces → Z02 (TL431) 2 pin anode voltages reduce → and PC817 infrared light-emitting diode LED electric current increase → PC817 triode electric current increase → 1000P charging voltage increase → triode 8050 and 8550 electric currents increase → feed back to the XN_LED_374 module internal, through handling, produce and adjust signal and reduce dutycycle.

Claims

1. but the LED street lamp of secondary light reorganization, comprise lamp housing (4), power line (3), module fixed head (2), heat radiation window (5), connector (9), module fin (6), power supply (15), wherein, module fixed head (2) is fixed on the lamp housing (4), heat radiation window (5) is arranged on lamp housing (4) top, power supply (15) is arranged on lamp housing (4) inside, and be connected with aluminium base (7) with power line (3), it is characterized in that: also comprise the illuminating module that is arranged on the module fixed head (2), illuminating module comprises lamp pearl (8), reflection shield (10), aluminium base (7), aluminium base heat loss through convection sheet (11), power supply adaptor (12), binding post (13) and secondary light recombination structure (14), wherein, reflection shield (10) is fixed on the aluminium base (7), and it is provided with lamp pearl holddown groove; Aluminium base (7) is fixed on the fin (11) by screw, and fits tightly connection with the heat-conducting silicone grease layer between the two; Power supply adaptor (12) is embedded in the fin (11), and its inside is provided with circuit board, and cooperates adapter (12) to be provided with binding post (13).

2. but the LED street lamp of secondary light reorganization according to claim 1 is characterized in that: fixedly connected with connector (9) between module (1) and the module fixed head (2).