CN201206748Y - High-performance LED lighting fixture - Google Patents

Abstract

The utility model discloses a high-efficacy LED illumination lamp, which mainly comprises a positioning frame seat, an LED light bar, a light guide plate, a reflector plate, an optical film, a power supply device, a protective cover and the like, wherein the LED light bar and the light guide plate are arranged on the inner side of the positioning frame seat; the reflector plate is attached to one side of the light guide plate, and the optical film is arranged on the other side of thereof and covered by the protective cover; and the power supply device is arranged on the rear side of the positioning frame seat and used for converting and providing a DC power supply for the LED light bar. The high-efficacy LED illumination lamp can adjust the light extraction angle of the LED light bar through adopting different material distribution manners of the optical film, and combine with the power supply device to provide stable DC power supply, thereby forming the LED illumination lamp which has the advantages of high operation efficacy and extraordinary illumination effect.

Description

High-effect LED lighting

Technical field

The utility model relates to a kind of lighting, is meant especially a kind ofly can effectively assemble light source, promote illumination usefulness, and can substitutes the LED lighting of room lighting.

Background technology

(light-emitting diodel LED), is commonly referred to LED to light emitting diode.Known conventional lamp is device such as fluorescent tube, bulb for example, though be widely used in various place in order to illumination for masses, but still have many needs and improve part, the operating efficiency of conventional lamp for example, generally can't reach 100%, in brief, conventional lamp is easy to generate the situation that consumes too much power when luminous, and permanent the use down will be caused no small power loss and extra cost burden; In addition, the illumination mode of known light fixture mostly is direct bright dipping, light source forms diffusion easily, therefore be arranged on higher local time when light fixture, its illumination meeting increases progressively along with the light fixture height and causes bigger also generation of light angle to be spread, the light source that causes light fixture to produce can't effectively focus on, and makes the lighting effect and the brightness wretched insufficiency of light fixture.

The utility model content

In view of this, main purpose of the present utility model is to provide a kind of simple in structure, task performance is high and illuminating effect is very excellent LED lighting.

According to above-mentioned purpose, the high-effect LED lighting that the utility model provides consists predominantly of members such as location skeleton frame, LED lamp bar, LGP, power supplier, wherein:

The location skeleton frame includes holder and base plate, this holder framework that is square, and its periphery inwardly vertically extends to form into first lamellar body and second lamellar body of relative shape, and is flute profile, and the ora terminalis of second lamellar body has outwards vertically extended to form the junction surface; The described base plate plate body that is square, and be arranged at described holder inboard, its periphery vertically extends to form to a side surface and is lamellar body, forms accommodation space in this side surface; LED lamp bar includes substrate and is located at two or more LED on the described substrate, and described LED lamp bar is by the adhere interior sidewall surface of the relative lamellar body that is arranged at two described base plates that are parallel to described first lamellar body of heat-conducting medium; LGP is arranged in the accommodation space of base plate, and places bright dipping place of LED lamp bar; Power supplier is provided with distributor cap in the rear side setting of location skeleton frame base plate, and the suitably shunting of AC/DC power supply in order to being received is connected to the DC frequency-changing change-over circuit again, by DC frequency-changing change-over circuit output direct current supply LED lamp bar; In addition, be provided with blooming, by the different portion's material mode of blooming, to adjust lamp source rising angle in the light guiding surface place of LGP.

According to by the above structure, high-effect LED lighting of the present utility model provides effective direct current supply to LED by DC frequency changer, and adjusted lamp source rising angle, thereby constitute the very excellent LED lighting of task performance height, illuminating effect by the setting of blooming.

Description of drawings

Fig. 1 is the schematic perspective view of LED lighting of the present utility model;

Fig. 2 is the three-dimensional exploded view of LED lighting of the present utility model;

Fig. 3 A is the circuit diagram one that LED is the polyphone state in the utility model;

Fig. 3 B is the circuit diagram two that LED is the polyphone state in the utility model;

Fig. 4 is the AC/DC change-over circuit schematic diagram in the utility model;

Fig. 5 is the assembling schematic diagram one of LED lighting of the present utility model;

Fig. 6 is the assembling schematic diagram two of LED lighting of the present utility model;

Fig. 7 is the assembling schematic diagram three of LED lighting of the present utility model;

Fig. 8 is the assembling schematic diagram four of LED lighting of the present utility model.

Description of reference numerals

1 location skeleton frame; 10 holders;

100 first lamellar bodies; 1000 locking holes;

1001 pairs of discharge orifices; 101 second lamellar bodies;

1010 junction surfaces; 10100 locking holes;

11 base plates; 110 lamellar bodies;

1101 protruding contacts; 111 accommodation spaces;

2 LED lamp bars; 20 LED;

21 substrates; 22 Zener diodes;

3 LGPs; 30 site faces;

31 light guiding surfaces;

4 reflector plates; 5 bloomings;

50 diffusion sheets; Rhombus lens on 51;

52 times rhombus lens;

6 power suppliers; 60 distributor caps;

61 aerial joints; 62 four directions pipes;

6a electric current surge protecting circuit; The 6b rectification multiple pressuring circuit;

6c line voltage; The 6d switched circuit;

The 6e inductance; 6f electric capacity;

The 6g current diverter;

The 6h output current is supplied with LED lamp bar;

The 6i excess voltage protection; The 6j circuit overcurrent protection;

6k decides current reference circuit; The 6m thermal-shutdown circuit;

The 6n pwm circuit;

7 over caps; 8 integrate frame;

80 locking holes; 81 extensions;

810 locking holes; 82 locked assemblies;

90 modify lid; 91 positioning frameworks;

92 large-scale dividing plates; 93 small-sized dividing plates.

The specific embodiment

See also Fig. 1 and Fig. 2, and collocation consults shown in Fig. 3 A and Fig. 3 B, it is the schematic perspective view and the three-dimensional exploded view of LED lighting of the present utility model, and LED is the circuit diagram of polyphone state in the utility model.

High-effect LED lighting described in the utility model consists predominantly of location skeleton frame 1 (referring to shown in Figure 7), LED lamp bar 2, LGP 3 and members such as reflector plate 4, blooming 5, power supplier 6, over cap 7 and integration frame 8.

Location skeleton frame 1 includes holder 10 and base plate 11; This holder 10 framework that roughly is square, mainly utilize galvanized iron, cotton iron, almag, Teflon, carbon or acryl, polyvinyl chloride (PVC), polypropylene plastic materials such as (PP), by the moulding in addition of modes such as sheet metal, casting or plastics ejaculation, its thickness is arranged on 0.2～1mm; Holder 10 peripheries inwardly vertically extend to form into first lamellar body 100 and second lamellar body 101 of relative shape, thereby make this holder 10 be flute profile, the side of two relative first lamellar bodies 100 is equipped with two or more locking holes 1000 and the snapping point (not shown) that discharge orifice 1001, the first lamellar bodies 100 inboards is formed with two or more concavities; Outwards vertically extend to form junction surface 1010 in two relative second lamellar body, 101 ora terminalis, also offer locking hole 10100 on the junction surface 1010.

Base plate 11 is arranged on holder 10 inboards, is square plate body, mainly utilizes materials such as galvanized iron, cotton iron, almag, Teflon, stainless steel or carbon, and by the moulding in addition of backfin molding mode, its thickness then is arranged on 0.2～10mm; Base plate 11 peripheries have vertically extended to form lamellar body 110 to a side surface, and form accommodation space 111 at this side surface; At the side of base plate 11 lamellar bodies 110, the snapping point of corresponding holder 10 inboards and be provided with and be formed with protruding contact 1101, and mutual corresponding blocking and make machinery and cooperate make base plate 11 be positioned holder 10.

LED lamp bar 2 is that two or more high efficiency LED20 are connected, and be located on the substrate 21 of aluminum so that welding manner is sticking, utilize heat-conducting medium such as heat-conducting cream or heat conductive silica gel again, two groups of LED lamp bars 2 then are positioned the interior sidewall surface of two relative lamellar bodies 110 that are parallel to first lamellar body 100 of base plate 11 respectively, thereby form lamp of the present utility model source; Wherein, behind LED20 elder generation's parallel voltage-stabilizing diode (zenerdiodes is Zener diode again) 22, connect again, as shown in Figure 3A; Or when making LED20, earlier with encapsulating again after the light emitting diode parallel voltage-stabilizing diode 22, shown in Fig. 3 B; In view of the above, when LED lamp bar 2 wherein any LEDs 20 break down, electric current can via its Zener diode in parallel 22 continue circulation, still can operate as normal to guarantee remaining LED20.

LGP 3 is arranged in the accommodation space 111 of base plate 11, and place bright dipping place of two groups of LED lamp bars 2, LGP 3 is transparent plate body, and it faces in two ora terminalis side edge of two groups of LED lamp bars 2 and is set to transparence, and two different ora terminalis sides then are set to opaque shape; Inside and outside side at LGP 3 can utilize modes such as hot pressing, ejaculation, ink-jet or printing, is provided with to form some optics site and constitute site face 30, and the lateral surface of LGP 3 then forms these optics sites reprocessing level and smooth light guiding surface 31; 30 places paste reflector plate 4 at the site of LGP 3 face, and light guiding surface 31 places of LGP 3 then are provided with blooming 5, and this blooming 5 mainly comprises diffusion sheet 50 and upper and lower rhombus lens 51,52; Wherein, LGP 3 and blooming 5 are that portion is processed to form the hole order of given shape within it, adjust the light refraction angle that LGP 3 and blooming 5 are reached in view of the above.

Power supplier 6 is base plate 11 rear sides at location skeleton frame 1, be provided with distributor cap 60, in order to two groups of electric wires are suitably shunted and are picked out in the AC/DC power supply that receives, be connected to two DC frequency-changing change-over circuits by aerial joint 61, by DC frequency-changing change-over circuit output DC source, give LED lamp bar 2 with power supply; Wherein, this DC frequency-changing change-over circuit is that the box body that utilizes insulation spacer to constitute coats, and places by pipe 62 inside, the formed four directions of aluminium material again, utilizes two blocks of side plates to seal the opening of four directions pipe 62 afterwards; According to by of the setting of this four directions pipe 62 with side plate, can protect internal circuit to avoid the foreign object collision, when the DC frequency-changing change-over circuit produces high temperature because of work, then can be by the four directions pipe 62 and the side plate of aluminium material, rapidly with thermal energy dissipation to outside, reach the effect of heat radiation.

In addition, in the front side of skeleton frame 1 inboard, location and LGP 3 (or its blooming 5), set up over cap 7; This over cap 7 is roughly plate body, and it places the inboard front side with LGP 3 (or its blooming 5) of location skeleton frame 1, in order to covering and protect LED lamp bar 2 and LGP 3 (or its blooming 5), and reaches the effect that waterproof/anti-soil is protected; Simultaneously; over cap 7 is for reaching the effect of against weather; need adopt that to add the scratch resistant anti-soil material of nanometer with acryl, Merlon (PC) or polyvinyl chloride (PVC) made, make LED lighting of the present utility model be able to corresponding respectively being used in the outdoor or indoor environment.

In addition at the rear side of locating skeleton frame 1 base plate 11, be provided with and integrate frame 8, this integrates the external form of frame 8 corresponding holders 10 and moulding, mainly be to utilize galvanized iron, cotton iron, stainless steel or acryl, polyvinyl chloride plastic materials such as (PVC), by the moulding in addition of modes such as sheet metal, casting or plastics ejaculation, its thickness is arranged on 0.2～1mm; Integrate the locking hole 1000 of first lamellar body 100 of frame 8 surface engagement holders 10, correspondence is provided with two or more locking holes 80 that engages usefulness, integrate frame 8 the corresponding holder 10 in limit, two ends junction surface 1010 and projection has extension 81, also offer locking hole 810 on the extension 81, by locked assembly 82 with the junction surface 1010 of holder 10 and the extension 81 of integrating frame 8 lock fit fixing; In addition, according to by the setting of integrating frame 8, in the lump the distributor cap 60 of base plate 11 and power supplier 6 is integrated and is positioned on the holder 10 with four directions pipe 62, thereby reach the effect that integrates.

The group of LED lighting is established in the utility model, it is the madial wall that two groups of LED lamp bars 2 is placed the two ends lamellar body 110 of base plate 11 respectively, it is inboard and be folded between two groups of LED lamp bars 2 LGP 3 to be placed on base plate 11 again, makes the printing opacity edge of the bright dipping place subtend of LED lamp bar 2 in LGP 3; Reflector plate 4 is attached at the site face 30 of LGP 3, and 5 light guiding surfaces 31 that in regular turn diffusion sheet 50, upper and lower rhombus lens 51,52 are attached at LGP 3 of blooming are provided with over cap 7 again in the front side of blooming 5; Afterwards with base plate 11 together with members such as LGP 3, blooming 5, over caps 7, be installed in holder 10 inboards of location skeleton frame 1 in the lump, and the blocking of going ahead of the rest of the protruding contact 1101 that utilizes base plate 11 and holder 10 snapping points; The four directions pipe 62 that again inside is included the DC frequency-changing change-over circuit is installed in the inboard both sides of holder 10, and distributor cap 60 is arranged at base plate 11 rear sides, and utilizes locked assembly 82 via the locking hole of holder 10 both sides four directions pipe 62 to be locked; Utilize to integrate frame 8 at last the four directions pipe 62 of power supplier 6 is put the location with distributor cap 60, and utilize locked assembly 82 to make the locking that is spirally connected of locking hole 1000 and 10100 with holder 10, thereby finish assembling of the present utility model via locking hole 80; LED lamp bar 2 receives the direct current supply that provides to be provided and to be produced light source by the DC frequency-changing change-over circuit of power supplier 6, by the set reflector plate 4 of LGP 3 and side thereof, direct of travel in order to the guiding light source, and light is evenly distributed by the effect of diffusion sheet 50, the effectiveness that is aided with upper and lower rhombus lens 51,52 again penetrates the concentrated forward of doing of the light that disperses, promote the briliancy of illumination whereby, to reach the effect of adequate illumination.

See also shown in Figure 4ly, be the AC/DC change-over circuit schematic diagram in the utility model.

So LED lighting of the present utility model is adopted LED by series connection and is provided with, be because the luminosity of LED forms direct ratio with the electric current that flows through it, adopt with series connection and be provided with, make its DC frequency-changing way of output that can cooperate the high voltage low current that power supplier 6 provided, make LED performance peak efficiency and throw light on; Wherein, the DC frequency-changing change-over circuit of output constant current source is then followed following flow process, and progressively output produces stable current source:

Outside AC/DC power supply is from fuse (FUSE) electric current surge protecting circuit (NTC) 6a that at first flows through, by thermistor testing circuit variations in temperature and as over current protection; AC power flow to rectification multiple pressuring circuit (DOUBLER RECTIFIER DIODE) 6b afterwards, AC power is tentatively changed into dc source, and must be by selecting the line voltage 6c of input circuit (LINE SELECT), so as to adjusting the voltage swing that rectification multiple pressuring circuit 6b is exported; Dc source after the rectification enters switched circuit (SWITCHINGTRANSISTOR) 6d, utilizes the exchange transistor will import the transistorized voltage of exchange and is reduced to required output voltage; After switched circuit 6d step-down, electric current carries out filtering by inductance (SWITCHINGINDUCTOR) 6e of filter circuit, the noise that is brought when exchanging to remove; Carry out filter action by electric capacity (FILTED CAPACITOR) 6f more afterwards, make output voltage more smooth-out stable; Afterwards with the output voltage cross-over connection in current diverter (CURRENT SHUNTER) 6g, be supplied to LED lamp bar (LED LAMP) 6h with the stable output current that will shunt.

Because the temperature of LED increases progressively, and can cause forward voltage grading of its work, cause electric current and then to increase, and then influence LED brightness of illumination and life-span by LED; Therefore, LED lighting of the present utility model is according to the operating temperature of LED, come voltage is adjusted by the DC frequency-changing change-over circuit, when the DC frequency-changing change-over circuit detects the LED operating temperature and reaches more than 60 ℃, this DC frequency-changing change-over circuit is promptly by mode of frequency regulation, adjusts LED at any time and be forward magnitude of voltage of suitable work, and the current value that flows through LED can be tended towards stability, the operating temperature of LED must remain in 60 ℃ simultaneously, so as to the brightness of illumination and the service life of keeping LED.

By circuit output end and be provided with excess voltage protection (O.V.P.) 6i, circuit overcurrent protection (O.C.P.) 6j, in order to thermal-shutdown circuit (O.T.P.) 6m that detects the high temperature protection light fixture and decide the feedback compensation circuit that current reference circuit (C.C.) 6k etc. constitutes, via utilizing pulse width modulation (PWM) circuit 6n to adjust the exchange frequency of switched circuit 6d automatically behind the circuit compensation, thereby adjust output current value; In view of the above, when LED caused the electric current acute variation because of voltage floats, power supplier 6 of the present utility model was adjusted output current at once thereupon, avoided causing the LED luminance shortage because of the electric current instability.

See also Fig. 5, Fig. 6, Fig. 7 and Fig. 8, and cooperate shown in Figure 1ly, be assembling schematic diagram one, assembling schematic diagram two, the assembling schematic diagram three and assembling schematic diagram four of LED lighting of the present utility model.

The utility model can the directly single appropriate location that is arranged at the space, uses as general light fixture, for example wall lamp, advertising lamp or the like; Or will organize LED lighting of the present utility model more and adopt by the serial connection mode, constitute a long strip type illuminating lamp source, and cover 90 and put in order to cover and cover the electric wire that is connected in series between light fixture and the light fixture by modifying, reach and beautify effect; Also or LED lighting of the present utility model is installed in the positioning framework 91 of ceiling place standard planning, utilizing the junction surface 1010 of holder of the present utility model 10 both sides to rest on this positioning framework 91 sentences and locatees, wherein, the width of holder 10 of the present utility model is designed to length-specific, be 1/4th of general standard positioning framework 91 width, in brief, can select two to four groups lighting to cooperate large-scale dividing plate 92 and small-sized dividing plate 93 on demand, take to be set up in parallel and place in the positioning framework 91, thereby form bigger exiting surface, to be applied in broad space such as parlor, the main illumination in office or classroom; In addition, by first lamellar body 100 of holder 10 side wore two or more to discharge orifice 1001, can promote the radiating effect of LED lighting of the present utility model, when LED lighting of the present utility model by the junction surface 1010 when being placed in positioning framework 91, first lamellar body 100 of holder 10 is stretched on the surface of positioning framework 91, what make first lamellar body, 100 sides is communicated in extraneous space to discharge orifice 1001, cause LED lighting of the present utility model when throwing light on, its inner high temperature that produces can be by discharging discharge orifice 1001, thereby promote the radiating effect of this light fixture.

In addition, LED lighting of the present utility model can be answered environment space condition difference, portion's material mode of the various blooming 5 of arranging in pairs or groups, and the lighting effect so that generation has different angles please refer to shown in the following table.

Arrangement mode	Lighting angle
			1 of diffusion sheet	120°～180°
2 of diffusion sheets	95°～155°
		3 of diffusion sheets	67.5°～127.5°
1 of 1+rhombus lens of diffusion sheet	85°～145°
		1 of 1+rhombus lens of 1+rhombus lens of diffusion sheet	47.5°～107.5°

1 of 1+diffusion sheet of 1+rhombus lens of diffusion sheet	57.5°～117.5°
		1 of 1+diffusion sheet of 1+rhombus lens of 1+rhombus lens of diffusion sheet	30°～80°

It is as shown in the table, and it is that LED lighting of the present utility model is when highly being 2.5 meters, according to the embodiment result of the different different irradiating angles that produce of portion's material.

When blooming 5 of the present utility model only used a diffusion sheet, the lighting angle of LED lighting was 120 °～180 ° in the utility model; When using three diffusion sheets, this lighting angle then becomes 67.5 °～127.5 °; And when the utility model uses a diffusion sheet to add a rhombus lens, then can access 85 °～145 ° lighting angle; And when use a diffusion sheet, add one go up rhombus lens and a following rhombus lens, again during the blooming of a diffusion sheet, the utility model then can obtain 30 °～80 ° concentrated lighting angle.

In view of the above, the utility model can cooperate portion's material mode of aforementioned blooming 5 and do more polynary design in the laying in space, for example can overhead in 250 meters the positioning framework of ceiling two groups of light fixtures be set, and make three diffusion sheets of this light fixture installing, can record lighting angle that this light fixture institute can produce this moment in ground and be 125 °, illumination and then be 200lux integral body lumen value 4800 lumen numbers; An example and for example, overhead in 250 meters the positioning framework of ceiling four groups of light fixtures are being set, and the light fixture that makes these both sides is only installed a diffusion sheet, two groups of light fixtures of central authorities are equiped with a diffusion sheet and a rhombus lens, can record the lighting angle that this light fixture institute can produce this moment in ground and be similarly 125 °, but illumination then becomes 403～1000 illumination integral body lumen value, 9600 lumen numbers; Therefore, LED lighting of the present utility model can be according to environment space, the height and the different portion's material modes of establishing blooming of transferring of illumination demand, so as to reaching different rising angles, thereby makes the maximum illumination effect of LED lighting performance of the present utility model.

Claims (11)

1, a kind of high-effect LED lighting is characterized in that it includes:

The location skeleton frame, described location skeleton frame includes holder and base plate; Described holder is framework, and its periphery inwardly vertically extends to form into first lamellar body and second lamellar body of relative shape, and is flute profile, and the ora terminalis of described second lamellar body has outwards vertically extended to form the junction surface; Described base plate is plate body, and is arranged at the holder inboard, and its periphery has vertically extended to form lamellar body to a side surface, forms accommodation space in described side surface;

LED lamp bar includes substrate and is located at two or more LED on the described substrate, and described LED lamp bar is by the adhere interior sidewall surface of two relative lamellar bodies being arranged at described first lamellar body of being parallel to of described base plate of heat-conducting medium;

LGP is transparent plate body, and the one side surface forms the site face, and the surface of a different side forms light guiding surface; Described LGP is arranged in the accommodation space of described base plate, and places bright dipping place of described LED lamp bar;

Power supplier, be positioned at the rear side of described location skeleton frame base plate, described power supplier is provided with the distributor cap of the suitable shunting of AC/DC power supply that will be received, and described distributor cap is connected to described DC frequency-changing change-over circuit, and described DC frequency-changing circuit output is for the direct current of LED lamp bar.

2, according to the described high-effect LED lighting of claim 1, it is characterized in that, the first lamellar body inboard of described holder is formed with two or more snapping points, and the sheet body side surface correspondence of described base plate is formed with carries out blocking mutually with described snapping point and make the protruding contact that machinery cooperates.

3, according to the described high-effect LED lighting of claim 1, it is characterized in that the side of first lamellar body of described holder is equipped with several to discharge orifice.

According to the described high-effect LED lighting of claim 1, it is characterized in that 4, the LED on the described LED lamp bar is provided with for series connection.

According to the described high-effect LED lighting of claim 1, it is characterized in that 5, described LED is first parallel voltage-stabilizing diode before encapsulation is made.

According to the described high-effect LED lighting of claim 1, it is characterized in that 6, the first parallel voltage-stabilizing diode of described LED remakes into series connection.

7, according to the described high-effect LED lighting of claim 1, it is characterized in that face one side is provided with reflector plate in the site of described LGP.

8, according to the described high-effect LED lighting of claim 1, it is characterized in that, be provided with blooming in light guiding surface one side of described LGP.

9, according to claim 1 or 8 described high-effect LED lightings, it is characterized in that, set up over cap in the inboard front side of described location skeleton frame with described LGP; Described over cap is positioned at the front side of described blooming.

10, according to the described high-effect LED lighting of claim 1, it is characterized in that, described location skeleton frame rear side also is provided with the integration frame, the corresponding described holder junction surface of the edges at two ends of described integration frame and projection is formed with extension, described junction surface and described extension are fitted by the locked assembly locking and are located.

11, according to the described high-effect LED lighting of claim 1, it is characterized in that, the DC frequency-changing change-over circuit of described power supplier, mainly comprise electric current surge protecting circuit, rectification multiple pressuring circuit, permutoid pipe circuit, filter circuit, current shunting circuit, excess voltage protection, circuit overcurrent protection, thermal-shutdown circuit and decide current reference circuit, pulse width modulation circuit; Provide constant current source to being electric connection between the described circuit of described LED.

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