CN205979199U - Led illumination device - Google Patents

Abstract

The utility model discloses a led illumination device of individual embodiment, include: lighting unit, it possesses a plurality of LED as the light source, generates light, the shell, it has the opening in the one side, and have at the another side and release light to the smooth relief part of outside, the shell has the inner space, and the reflecting part, it is installed the inside of shell makes and follows the light reflection that lighting unit generated arrives light relief part. Lighting unit's preceding inner space installation towards the shell to cover the opening, light relief part installs and can release the light of following the lighting unit formation or release to generate from lighting unit and just pass through the light that the reflecting part reflects. Led illumination device still includes fixed frame, and it combines in the smooth relief part's of shell periphery, is fixed in the position that separates with lighting unit's the back, rotate the frame, it can combine in fixed frame with rotating, fixed frame is fixed in in supply voltage portion to lighting unit power supply.

Description

LED illumination utensil

Technical field

The utility model is related to LED illumination utensil, more specifically, is related to that a kind of heat dissipation characteristics are outstanding and distribution controls are held Easy LED illumination utensil.

Background technology

Have such problems as that power consumption is many, short life using the lighting device of original light source means such as incandescent lamp, fluorescent lamp.Consider To this point, developing the lighting device LED of little power consumption, life-span length being used as light source.

When LED is used as light source, compared with original lighting device, the life-span dramatically increases.As a result, the amount of discarded object is also big Width reduces, and is prevented from environmental pollution.Further, since power consumption reduces, it is expected to make contributions for energy-conservation.

But, although LED has these advantages, there is a problem of substantial amounts of heat.When the heat that LED cannot be made to occur is released When being put into outside, cause the lost of life of LED illumination utensil, the long-life effect that LED is used as light source is difficult to normally play.

In addition, LED light device needs outside AC power to be transformed into dc source and is supplied to the power supply of LED to supply Answer device (SMPS；Switching Mode Power Supply).For example, in authorizing utility model 20-0451090, make For being built-in with the LED landscape spotlight of SMPS, disclose the substrate being pasted with LED and SMPS supporting surface be placed between and opposite Setting situation.But, its own generation heat of SMPS.Therefore, in described LED landscape spotlight, the heat that SMPS occurs is sent out with LED Raw heat is interacted, and there is a problem of that the life-span of SMPS and LED is all low.

On the other hand, in the high-capacity LED ligthing paraphernalia (usual more than 100 watts) in LED light device, as light Source, generally uses Efficient LED chip (such as 1 watt LED chip).This is because, for low-power LED chip (Fig. 1), with Efficient LED chip (Fig. 2) is compared, and using relatively greater number of chip (with reference to Fig. 1), thus need to be difficult to control to luminous intensity distribution.Example As in order to provide 100 watts of high power, 1 watt of high-power die needs 100, and 0.2 watt of low-power chip needs 500, makes Obtain because the quantity of light source increases it is difficult to control luminous intensity distribution.Particularly when in order to substitute original illumination and carry in set area During for high power illumination, the quantity of LED chip is more, then be more difficult to control to luminous intensity distribution, be currently in use Gao Gong for this reason Rate LED chip.

But, compared with low-power LED chip, caloric value is many for Efficient LED chip, needs to put into more exerting to radiating Power.Although as described above, heat dissipation characteristics are low, in order to more easily carry out distribution controls, Efficient LED chip should be used.

As described above, when high power illumination utensil uses Efficient LED chip to embody, in order to solve heat dissipation problem, needing Want big heat dissipation, therefore, the volume and weight of generating means increases, manufacturing expense is also substantially increased.Particularly with regard to floodlight For illumination, because the size of ligthing paraphernalia is big, power consumption is very big, thus require the illumination that a kind of size is little, power consumption is little Utensil.

Utility model content

The technical problem solving

In order to solve problem as above, the purpose of an embodiment of the present utility model is to provide a kind of LED illumination Utensil, can not only easily discharge the heat occurring from LED, and is prevented from the heat of LED generation to periphery conduction, and can By required morphology Control luminous intensity distribution.

Technical scheme

The LED illumination utensil of one embodiment of the utility model includes：Lighting Division, it possesses multiple LED as light source, Generate light；Shell, it has opening portion in one side, has light release portion light being discharged into outside in another side, described Shell has inner space；And reflecting part, it is arranged on the inside of described shell, makes the light line reflection generating from described Lighting Division To described light release portion；The inner space front towards described shell of described Lighting Division is installed, to cover described opening portion； Described light release portion is mounted to discharge and generates from described Lighting Division and pass through from the light of described Lighting Division generation or release The light of described reflecting part reflection；Described LED illumination utensil also includes：Fixed frame, it is incorporated into the light release of described shell The periphery in portion, is fixed on the position separating with the back side of described Lighting Division；Rotate framework, it can rotationally be incorporated into described fixation Framework；The power suppling part supplying power supply to described Lighting Division is fixed on described fixed frame.

In addition, described Lighting Division can include substrate, the multiple LED being configured on described substrate and support described substrate Metallic plate.

In addition, described light source can be 0.2 to 0.5 watt of low-power LED.

In addition, described low-power LED is configurable to provide identical power in identical area, and higher with power High-capacity LED compare, be distributed with narrower interval and more quantity.

In addition, described light source can be the LED of chip on board (COB, chip on board) type.

In addition, described metallic plate can be relatively orthogonal to the direction in light release portion, with more than 0 degree, the angle less than 45 degree Install.

In addition, described Lighting Division can removably be installed on described shell.

In addition, described reflecting part can be made up of multiple reflectings surface, each reflecting surface has mutually different inclination angle, mutually The area differing or mutually different curvature or wherein more than both, each reflecting surface is in the ceiling face shape of described enclosure Become, so that when light is discharged by described light release portion, embody the light distribution characteristic pre-setting.

In addition, described reflecting part can be installed on the two sides of described shell.

In addition, described reflecting part can removably be installed on described shell.

In addition, the optical beam ratio from the light of the direct luminous intensity distribution of described light source and the light by the reflection of described reflecting part luminous intensity distribution Rate can be 4:6～6:4.

In addition, the height representing the vertical segment from the summit of described reflecting part to described light release portion with x, use y table Show the length in the place that the place intersected from described light release portion is connected to described light release portion with reflecting part with described vertical segment When spending, length y is more than 2 times to less than 7 times with the ratio of height x, to embody the light distribution characteristic pre-setting.

In addition, described Lighting Division may be inserted into and is incorporated into described opening portion and installed.

In addition, described LED illumination utensil can also include covering the cover in described light release portion.

In addition, described shell can be injection mo(u)lding thing.

In addition, adiabatic sealing can also be included between described shell and described Lighting Division.

In addition, hot release portion can be included in the outside of described power suppling part.

In addition, described hot release portion can include multiple radiating pins.

In addition, described radiating pin can be formed as constituting with ground.

In addition, the thermal conductivity of described metallic plate and the thermal conductivity in described hot release portion, the heat conduction of described shell can be more than Rate.

In addition, described metallic plate and described hot release portion can be extrusion molding thing.

In addition, described LED illumination utensil can also include：It is installed in described power suppling part outside and receive wireless signal So as to adjusting the antenna of the power supply providing to Lighting Division；And power supply is controlled according to the wireless signal being received by described antenna The controller of supply.

Utility model effect

Not only heat dissipation characteristics are outstanding for the LED illumination utensil of the utility model embodiment, manufacture efficiency remarkable, productivity ratio Height, and the overall weight of end article and volume reduce, and can successfully carry out distribution controls, can apply to various neck Domain.

Brief description

Fig. 1 shows the arrangement of the LED chip of LED illumination utensil of the utility model one embodiment.

Fig. 2 shows the arrangement of the LED chip of LED illumination utensil of another embodiment of the utility model.

Fig. 3 is the exploded perspective view of the LED illumination utensil of the utility model one embodiment.

Fig. 4 is the profile of the assembled state of LED illumination utensil shown in Fig. 3.

Fig. 5 is the profile at the inclination angle of the reflecting surface of LED illumination utensil shown in Fig. 3.

Fig. 6 be side be provided with reflecting part the utility model one embodiment LED illumination utensil birds-eye perspective.

Fig. 7 is the exploded perspective view of the fixed part of LED illumination utensil being applied to the utility model one embodiment.

Fig. 8 is the stereogram of the LED illumination utensil of another embodiment of the utility model.

Fig. 9 is the side view of the LED illumination utensil of Fig. 8.

Figure 10 a is the stereogram of LED illumination utensil.

Figure 10 b is the stereogram of LED illumination utensil.

Figure 10 c is the side view of LED illumination utensil.

Figure 11 is the profile of the LED illumination utensil of the utility model one embodiment.

Figure 12 shows the light release that inclination angle a is LED illumination utensil when 0 degree.

Figure 13 shows the light release that inclination angle a is LED illumination utensil when 45 degree.

Figure 14 shows the luminous intensity distribution distribution map of the LED illumination utensil of the utility model one embodiment and directly descends luxmeter.

Specific embodiment

With reference to the accompanying drawings, describe the LED illumination utensil of embodiment of the present utility model in detail.

Fig. 3 is the exploded perspective view of the LED illumination utensil of the utility model one embodiment, and Fig. 4 is that the LED shown in Fig. 3 shines The profile of the assembled state of funerary objects tool.

The LED illumination utensil of the utility model one embodiment includes：Lighting Division 100, it possesses multiple as light source LED, generates light；Shell 200, it possesses opening portion 220 in one side, possesses, in another side, the light that light is discharged into outside and releases Put portion 210, described shell 200 has inner space；And reflecting part 230,, in the inner face of described shell 200, being mounted to can for it The light generating from described Lighting Division 100 is made to reflex to described light release portion 210.In described LED illumination utensil, described illumination The inner space front towards described shell 200 in portion 100 is installed, to cover described opening portion 220；Described light release portion 210 be mounted to discharge from described Lighting Division 100 generate light or release from described Lighting Division 100 pass through reflecting part 230 The light of reflection.

1. Lighting Division

As shown in figure 3, according to an embodiment of the present utility model, Lighting Division 100 includes substrate 110, is configured at described base Multiple LED chips 111 on plate 110, and support the metallic plate 130 of described substrate 110.As LED/light source, preferably use LED Chip.The LED chip of chip on board (COB, chip on board) type can also be used.

Preferably described LED chip is low-power LED chip.As low-power LED chip, it is possible to use 0.1 watt to 0.6 watt Chip, preferably use 0.2 watt to 0.5 watt of chip.Low-power LED chip provides identical power in identical area, And compared with the Efficient LED chip that power is higher, the number of the chip of use is more, thus the interval of adjacent chip chamber with Narrower mode is distributed.

Fig. 1 and Fig. 2 respectively illustrates the Lighting Division of the LED illumination utensil of the utility model one embodiment, specifically, shows Show the appearance of the appearance of multiple low-power LED chip 111 arrangements and multiple Efficient LED chip 111 arrangement on substrate.As Shown in Fig. 1, Fig. 2, using multiple low-power LED chips LED illumination utensil unit area (identifier in figure be " A ") in, 5 0.2 watt LED chip (Fig. 1) can be arranged, on the contrary, the LED illumination utensil using multiple Efficient LED chip can arrange 1 Individual 1 watt of LED chip (Fig. 2).If observed to this, between being designated in FIG between multiple low-power chips of " d1 " Every the interval being designated between multiple high-power die of " d2 " than in Fig. 2 is narrow.Although it is not shown in the diagrams, but the utility model Variant embodiment LED illumination utensil, can be according to required multiple design specifications and/or customer requirement, in unit area Interior arrangement 10 0.1 watt of LED, 4 0.25 watt of LED chips, or 2 0.5 watt of LED chips.Each LED chip 111 plays conduct The heat transfer place of transmission heat and the effect of thermal source, thus the multiple low-power LED chips using the utility model one embodiment LED illumination utensil, more homogeneous for the heat occurring from multiple LED chips (uniform) can be transmitted or be discharged into substrate.Low work( Rate LED chip is more cheap than Efficient LED chip, little power consumption, occurs more lesser amount of heat than Efficient LED chip.In addition, Low-power LED chip has the luminance efficiency higher than Efficient LED chip.For example, theoretically, in 5 0.2 watt of LED core Piece each light beam and the light beam of 1.0 watts of LED chips between, there is lumen per watt poor.That is, 0.2 watt of LED chip has about 160lm/w, on the contrary, 1.0 watts of LED chips there is about 140lm/w it means that, the light efficiency of low-power LED chip is higher than Gao Gong The light efficiency of rate LED chip.

According to an embodiment of the present utility model, it is possible to use Efficient LED chip (it is assumed that more than about 1 watt of LED core Piece).When using Efficient LED chip, the heat that chip occurs has the temperature more of a relatively high than low-power chip, thus can draw Play heat island phenomenon.In addition, in identical area, the interval between adjacent chip is more farther than in low-power LED chip, because And heat transfer can become difficult.In Efficient LED chip, the life-span of LED chip can shorten because this puts.Therefore, in height In power LED chips, heat dissipation design overweights all.Therefore, in the case of using Efficient LED chip, preferably have as far as possible Standby whole heat dissipation design being discussed below.According to the species of chip, the hot generating capacity of chip and light distribution characteristic also should be different, because And the design of ligthing paraphernalia and structure also should adjust to be consistent with it.

In an embodiment of the present utility model, Lighting Division 100 can be installed in shell 200 and be dismantled, can so that Change sharply and repair.Lighting Division 100 is installed towards the inner space of shell 200, to be mounted with to cover before LED The opening portion 220 of shell 200.For example, Lighting Division 100 may be inserted into and is incorporated into the opening portion 220 of shell 200 and installed.

In an embodiment of the present utility model, the metallic plate 130 for the attachment of described substrate 110 is mounted so as to respect to ground There is the inclination angle of acute angle.Therefore, the multiple LED chips 111 being mounted on substrate 110 become the knot tilting with respect to ground Structure.This can be understood as the illumination directly descending direction of the LED illumination utensil in order to improve one embodiment of the utility model.

In addition, in an embodiment of the present utility model, metallic plate 130 can be according to multiple method manufactures.Metallic plate 130 The extrusion molding thing that preferably extrusion molding can be by mean of and manufacture.When metallic plate 130 is extrusion molding thing, shell 200 During for injection mo(u)lding thing, metallic plate 130 is bigger than shell 200 thermal conductivity, therefore, compared with shell 200, sends out in LED chip Raw heat can be conducted rapidly by metallic plate 130.

2. hot release portion

If with reference to Fig. 3, at the back side of Lighting Division 100 equipped with hot release portion 120, it is equipped with and must be exposed to outside, to Outside release heat.As hot release portion 120, preferably use radiating pin.Now, it is protruding with multiple radiatings at metallic plate 130 back side Pin 120, before this metallic plate 130, as shown in figure 4, substrate 110 can be installed with.In substrate 110, as light Source and be pasted with LED chip 111.If there is heat in LED chip 111, this heat can be transmitted rapidly by metallic plate 130 To radiating pin 120.As described above, in the case that the thermal conductivity of metallic plate 130 is more than shell 200, can more quickly realize Heat transfer to radiating pin 120.The heat being delivered to radiating pin 120 can be by the heat friendship with extraneous air at radiating pin 120 Change and be easily discharged into outside.The number of radiating pin 120, shape, position, can be according to required design specification and/or Gu Visitor requirement and suitably select.For example, radiating pin 120 can be horizontally formed.In addition, as shown in figure 3, radiating pin 120 can Vertically to be formed, or along inclined direction formed.If radiating pin 120 vertically or at least with respect to ground inclines Oblique direction is formed, then, the foreign matter being prevented from such as dust is fallen by means of gravity, the radiating leading to because of deposition of foreign material Characteristic is low.Particularly when radiating pin 120 is vertically formed, then the convection current of air can become smooth.That is, if dissipated Hot pin 120 is vertically formed, then the space between radiating pin 120 carry out the air of heat exchange can be unhinderedly smooth Rise and form convection current.It is therefore preferable that radiating pin 120 is formed along the direction with respect to ground inclination, more preferably vertically Formed.In radiating pin 120, at least one can be horizontally formed and/or wherein at least one is along the direction tilting or vertical landform Become.

In a part of embodiment, described radiating pin 120 can individually form with metallic plate 130, and with suitable side Formula is connected with each other.In other multiple embodiments, they can by the operation of such as extrusion molding or injection mo(u)lding shape It is integrally formed type.Typically, even identical material, extrusion molding thing is bigger than injection mo(u)lding thing thermal conductivity.Therefore, excellent Choosing radiating pin 120 is formed in one with metallic plate 130, more preferably with extrusion molding manufacture.Now, thermal conductivity is high, radiating effect Greatly.Additionally, it is preferred that metallic plate 130 and radiating pin 120 are constituted with the material bigger than shell 110 thermal conductivity.

3. shell

According to an embodiment of the present utility model, described shell 200 possesses bottom surface and described bottom surface and forms the first of acute angle Inclined plane, and form acute angle the second inclined plane being connected with described first inclined plane with described bottom surface.With regard to described shell 200 Speech, two ends of described bottom surface, described first inclined plane and described second inclined plane connect so that with bottom surface, described first inclining Inclined-plane and described second inclined plane form inner space for border.Described shell 200 the first inclined plane equipped with opening Portion 220, in bottom surface equipped with light release portion 210.The angle that formed by means of described bottom surface and the first inclined plane, by means of institute The angle stated the first inclined plane and the second inclined plane and formed, and the angle being formed by means of described second inclined plane and bottom surface Degree, arranges to meet required design specification and/or customer requirement.

In section Example of the present utility model, shell 200 can pass through the work of such as extrusion molding or injection mo(u)lding Sequence is formed.Preferably, shell 200 is overall is formed by means of injection mo(u)lding.This is because, as the shell of injection mo(u)lding thing 200 thermal conductivitys are relatively low, and the heat that LED chip 111 occurs can be transmitted to power suppling part 300, or on the contrary, can reduce electricity The heat of source supply department 300 is conducted to LED chip 111.

In another embodiment of the present utility model, as shell 200, preferably use and metallic plate 130 and radiating pin 120 Compare, the relatively low material of thermal conductivity.This is because, heat can be reduced further by shell 200 in Lighting Division 100 and electricity Conduct between source supply department 300.The first inclined plane and ground composition equipped with described opening portion 220 are formed obliquely, so that Even if also can be molded using inserts in injection mold.

According to an embodiment of the present utility model, in described Lighting Division 100, particularly mount the metallic plate of LED chip Between 130 and described shell 200, it is configured with adiabatic sealing 140.Described thermal insulation sealing 140 is preferably by the material of low thermal conductivity Quality structure becomes.Described thermal insulation sealing 140, while preventing water from flowing into shell 200 inside, blocks in LED chip 111 generation It is thermally conducted to shell 200, in addition, block being thermally conducted to Lighting Division 100 what power suppling part 300 occurred.

4. reflecting part

According to an embodiment of the present utility model, in the inner face of described shell 200, reflecting part 230 can be installed, so that The light generating from described Lighting Division 100 can be made to reflex to light release portion (with reference to Fig. 3).

As shown in figure 5, reflecting part 230 can be made up of multiple reflectings surface 231, each reflecting surface 231 has different Inclination angle (θ 1, θ 2, θ 3 ...), mutually different curvature, mutually different area or wherein more than both to work as light When being discharged by light release portion 210, embody the light distribution characteristic pre-setting.As described above, by using having gradient The reflecting part 230 of different multiple reflectings surface 231, controls luminous intensity distribution such that it is able to efficient.Particularly when using low-power LED chip During as light source, i.e. even if it is also possible to be readily available institute in the case that the more of chip is more difficult to control luminous intensity distribution The luminous intensity distribution needing.As set forth above, it is possible to adjust the quantity of low-power LED chip 111 and the interval of adjacent chip chamber, and reflect The structure in portion 230 and shape can also suitably design, to embody the light distribution characteristic pre-setting.For example, it is possible to multiple LED chip is equipped on Lighting Division 100 so that at least a portion of the light generating from LED chip 111 can reach reflecting part 230.According to an embodiment of the present utility model, as shown in figure 5, the face of reflecting surface nearer with Lighting Division 100 can be designed to Long-pending less, more remote with Lighting Division, area is bigger.

Reflecting part 230 both can as shown in figure 5, the ceiling face of shell 200 inner face formed it is also possible to as shown in fig. 6, The two sides of shell 200 are formed, and can also be respectively formed at both.Fig. 6 is the ligthing paraphernalia of the utility model one embodiment Birds-eye perspective.As illustrated, after the light that the LED chip 111 on substrate 110 occurs laterally reflects, being discharged by light Portion 210 is discharged into outside.

In addition, reflecting part 230 is installed on shell 200 with can be removably mounted, thus not only changing and repairing easily, and can be certainly Light distribution characteristic is adjusted by ground.

As reflecting part 230, it is possible to use various material such as aluminium.In addition, forming reflecting part 230 aspect, can make With various coating process.It is, for example possible to use the side in the upper vapour deposition of PC (Poly Carbonate) or stacking silver-colored (Ag) Formula.

5. light release portion

According to an embodiment of the present utility model, the cover 240 covering light release portion 210 is installed in light release portion 210.Cover 240 prevent the exterior materials of such as dust from flowing into inside shell 200.Cover 240 can pass through method known to art And it is fixed on shell 200.The LED illumination utensil of one embodiment of the utility model includes the fixed part that cover 240 is fixed 250.Composition for this fixed part 250 and effect, after will be explained in.

6. fixed frame and rotation framework

The LED illumination utensil of the utility model one embodiment possesses fixed frame 410 and rotates framework 420.Fixed frame 410 is the frame structure being incorporated into the periphery in light release portion of shell and being fixed on the position separating from the back side of Lighting Division 100 Body.As shown in figure 8, fixed frame 410 possesses, in middle position, the portion of laying, it is used for laying power suppling part.Portion of laying is to substantially The direction parallel with the back side of Lighting Division 100 extends.In addition, the two ends laying portion are linking part, linking part is the two of the portion of laying End is folded to Lighting Division side, in conjunction with the two side ends being fixed on Lighting Division.Fixed frame 410 can pass through the bonding machine of such as bolt System, is incorporated into bottom surface light release portion 210 periphery of shell 200.In addition, power suppling part can threadably be incorporated into laying Portion.By means of this structure, power suppling part 300 configuration is fixed on from the spatially separated position in Lighting Division 100 back side, because And the power suppling part heat transfer mutual with Lighting Division and radiant heat can be reduced.

On the other hand, rotate framework 420 and be incorporated into the both sides of fixed frame 410, as can be with respect to fixed frame The frame structure of 410 rotations, one end can be rotationally combined with the side linking part of fixed frame 410, and the other end can be rotationally Be combined with the opposite side linking part of fixed frame 410.LED illumination utensil can tilt with respect to rotating framework 420 and rotate. Rotated with respect to rotating framework 420 by making LED illumination utensil, the light that can adjust LED chip 111 release passes through reflecting part The angle of 230 reflections and the angle by light release portion 210 release.By means of this composition, can be unrelated with installation site Ground adjusts light release direction, and therefore, the LED illumination utensil of the utility model one embodiment can be installed on the arm of light pole, or Be installed on wall, ceiling, can apply to including street lamp, ceiling light, harbor light, garden lamp various field.

7. power suppling part

According to an embodiment of the present utility model, on described fixed frame 410, oriented Lighting Division 100 can be carried The power suppling part 300 of supply power supply.Power suppling part 300 both can have been carried with the reassembling type that can be removably mounted it is also possible to Non- reassembling type is carried.For the viewpoint such as replacing or repairing, more preferably reassembling type.As shown in fig. 6, power suppling part 300 It is installed on fixed frame 410, the outside of power suppling part 300 is integrally exposed in air, thus the utility model one embodiment LED illumination utensil can have outstanding heat dissipation characteristics.Particularly power suppling part 300, as shown in fig. 6, from Lighting Division 100 Configure spatially separatedly, thus mutual heat transfer possibility can be reduced.In addition, power suppling part 300 is fixed on Fixed frame 410, forms space, in addition, have aforesaid in this space configuration between Lighting Division 100 and power suppling part 300 Hot release portion 120, has and blocks photothermal effect between Lighting Division 100 and power suppling part 300.Light release portion 210, open The position of shell 200 outside that oral area 220 is carried, can determine according to required design specification and/or customer requirement.Example As in some embodiments, as shown in figs. 3 and 4, light release portion 210 can be provided on the bottom surface of shell 200, opening portion 200 Can be formed with being inclined upwardly from one end of bottom surface.

Figure 11 to Figure 13 is the profile of the LED illumination utensil of one embodiment of the utility model.In Figure 11 to Figure 13, For the facility illustrating, eliminate the composition of fixed frame 410, rotation framework 420 and power suppling part.

If with reference to Figure 11, the LED illumination utensil of one embodiment of the utility model as before mention, described gold Belong to plate 130 with respect to ground inclination, be relatively orthogonal to the direction in light release portion 210, tilted angle a.Inclination angle a such as above institute It is contemplated that the illumination directly descend direction in light release portion 210, the scope of inclination angle a can be passed through predetermined joining for the explanation made The design specifications such as light and suitably adjust.

If inclination angle a is too small, from LED chip 111 directly diffuse to light release portion 210 light quantity very few it is impossible to obtain Obtain required luminous intensity distribution.For example, as shown in figure 12, when inclination angle a is 0 degree, the major part of release light is by reflecting part 230 Reflected light, from the direct release light of Lighting Division be only a part and it is difficult to obtain suitable luminous intensity distribution.On the contrary, if tilted Angle a is excessive, then the light quantity being directly released into light release portion 210 is excessively it is difficult to obtain required luminous intensity distribution.For example, as shown in figure 13, When inclination angle a is 45 degree, the major part of release light is the direct light directly discharging to light release portion 210, by reflecting part 230 Reflected light be only a part and it is difficult to obtain required luminous intensity distribution.According to an embodiment of the present utility model, described inclination angle a For non-limiting, can be more than 0 degree, the scope less than 45 degree.The restriction of this inclination angle a allows for the utility model The LED of more than ever before quantity is used due to the use of low-power LED, thus the necessity that luminous intensity distribution is controlled is high.

According to an embodiment of the present utility model, when being represented from described reflecting part 230 summit to described light release portion with x The height of 210 vertical segment, y is represented the place being connected with described reflecting part 230 from described light release portion 210 and releases to described light Put portion 210 and described vertical segment intersects the length in place, then the ratio of y and x also produces shadow to light distribution characteristic of the present utility model Ring (Figure 11)..For example, it is known that the ratio of the y/x of the ligthing paraphernalia of Figure 13 is relatively bigger compared with the ligthing paraphernalia of Figure 12, thus Light distribution characteristic is also entirely different.When preferably described length y is discharged by described light release portion 210 with the height x proper light of setting, Embody the light distribution characteristic pre-setting.Length y being particularly preferably designed to reflecting part 231 exceedes 2 times of height x, not enough height 7 times of degree x.In the range of this aspect ratio, light distribution characteristic is more excellent.

According to a preferred embodiment of the present utility model, from the light (direct light) of the direct luminous intensity distribution of described light source with by described Reflecting part reflection the light beam ratio of the light (reflected light) of luminous intensity distribution, can be 4:6～6:Adjust in the range of 4.

In fig. 14 it is illustrated that the luminous intensity distribution distribution map of the ligthing paraphernalia of the utility model one embodiment and directly descend luxmeter. Described ligthing paraphernalia is the light beam ratio using 0.2 watt of low-power LED chip, 300 watts of power consumption, direct light and reflected light is 51.4: 48.6 ligthing paraphernalia.Luminous intensity distribution distribution map shown in Figure 14, directly descend the light beam ratio of luxmeter and direct light and reflected light, permissible Ratio of inclination angle adjusted as described above a, y/x etc. and obtain.

Another embodiment of the present utility model provides a kind of LED illumination utensil, including：Lighting Division, it includes being pasted with many The substrate of individual low-power LED chip；Shell, it possesses the first inclined plane that bottom surface and described bottom surface form acute angle, and with institute State bottom surface and form acute angle the second inclined plane of being connected with described first inclined plane, and described bottom surface, described first inclined plane and Two ends of described second inclined plane connect so that with described bottom surface, described first inclined plane and described second inclined plane as side Boundary formation inner space；Reflecting part, it is mounted to reflect, in the inner face of described shell, the light generating from described Lighting Division； At least a portion of described Lighting Division is inserted by a part for described first inclined plane so that described low-power LED chip Inner space towards described shell.

The LED illumination utensil of embodiment described in the utility model has the advantages that various.For example, Lighting Division and power supply supply Portion can be adiabatic with other structures key element respectively, can individually discharge (dissipating) heat, and Lighting Division can be stoped to supply with power supply Answer the heat transfer between portion, stop the lost of life.In addition, shell can pass through injection mo(u)lding, to have relatively low heat biography The material of the property led is made, and can stop the heat transfer between Lighting Division and power suppling part.Covering light is made to release additionally, shell has The framework of the deformation form of cover fixation putting face, such that it is able to prevent deformation and the damage of framework, improves productivity ratio.

In addition, Lighting Division can embody optimization with the form manufacture of detached independent single-piece with power suppling part Weight and structure.Particularly shell, Lighting Division and power suppling part can be with the form manufactures of detached single-piece, a large amount of manufactures When, it is possible to increase productivity ratio, reduces manufacturing expense.

Even if in addition, LED illumination utensil uses low-power LED chip it is also possible to obtain required luminous intensity distribution, can reduce because The heating that may be caused using Efficient LED chip, can reduce weight and volume.In addition, the LED of a part of embodiment shines Funerary objects tool can be illuminated with controlled in wireless, and it is very convenient therefore to operate.

The ligthing paraphernalia of the utility model one embodiment can serve as more than 100 watts of high power illumination, particularly floodlight Illumination.Floodlighting is formed light beam as the light dissipating from light source concentrates and is irradiated the ligthing paraphernalia of distant place, main Vehicle to be used for, ship etc. irradiate the illumination of distant place or skin or field work field, sports equipment etc..Particularly room Outer floodlighting, because scale is big, thus resource and electric power consumption are very big, thus need to reduce to greatest extent resource and The consumption of electric power.The ligthing paraphernalia of one embodiment of the utility model can obtain required radiating with relatively small size Characteristic and light distribution characteristic, can more efficiently use in terms of floodlighting.

The utility model is described with reference to embodiment, but the utility model is not limited to this embodiment, permissible In the range of in the range of without departing from the utility model, diversely changed and deformed, this is the affiliated technology of the utility model The technical staff in field is scrutable.

Claims (22)

1. a kind of LED illumination utensil is it is characterised in that include：

Lighting Division, it possesses multiple LED as light source, generates light；

Shell, it has opening portion in one side, has light release portion light being discharged into outside, described shell tool in another side There is inner space；And

Reflecting part, it is arranged on the inside of described shell, makes the light generating from described Lighting Division reflex to described light release portion,

The inner space front towards described shell of described Lighting Division is installed, to cover described opening portion,

Described light release portion be mounted to discharge from described Lighting Division generate light or release from described Lighting Division generate and The light being reflected by described reflecting part,

Described LED illumination utensil also includes：Fixed frame, it is incorporated into the periphery in the light release portion of described shell, be fixed on The position that the back side of described Lighting Division separates；Rotate framework, it can rotationally be incorporated into described fixed frame,

The power suppling part supplying power supply to described Lighting Division is fixed on described fixed frame.

2. LED illumination utensil according to claim 1 it is characterised in that

Described Lighting Division includes substrate, the multiple LED being configured on described substrate and the metallic plate supporting described substrate.

3. LED illumination utensil according to claim 1 it is characterised in that

Described light source is 0.2 to 0.5 watt of low-power LED.

4. LED illumination utensil according to claim 3 it is characterised in that

Described low-power LED is configured to provide identical power in identical area, and the high-capacity LED phase higher with power Ratio is distributed with narrower interval and more quantity.

5. LED illumination utensil according to claim 1 it is characterised in that

Described light source is the LED of chip on board type.

6. LED illumination utensil according to claim 2 it is characterised in that

Described metallic plate is relatively orthogonal to the direction in light release portion, is installed with the angle more than 0 degree, less than 45 degree.

7. LED illumination utensil according to claim 1 it is characterised in that

Described Lighting Division is removably installed on described shell.

8. LED illumination utensil according to claim 1 it is characterised in that

Described reflecting part is made up of multiple reflectings surface,

Each reflecting surface have mutually different inclination angle, mutually different area or mutually different curvature or wherein both with On, each reflecting surface is formed in the ceiling face of described enclosure, so that when light is discharged by described light release portion, embodies pre- The light distribution characteristic first arranging.

9. LED illumination utensil according to claim 1 it is characterised in that

Described reflecting part is installed on the two sides of described shell.

10. LED illumination utensil according to claim 1 it is characterised in that

Described reflecting part is removably installed on described shell.

11. LED illumination utensils according to claim 1 it is characterised in that

It is 4 from the light of the direct luminous intensity distribution of described light source with the light beam ratio reflecting the simultaneously light of luminous intensity distribution by described reflecting part:6～ 6:4.

12. LED illumination utensils according to claim 1 it is characterised in that

Represent the height of the vertical segment from the summit of described reflecting part to described light release portion with x, represented from described light with y During the length in place that the place that release portion is intersected with described vertical segment to described light release portion is connected with reflecting part, length y Ratio with height x is more than 2 times to less than 7 times, to embody the light distribution characteristic pre-setting.

13. LED illumination utensils according to claim 1 it is characterised in that

Described Lighting Division Intercalation is installed in described opening portion.

14. LED illumination utensils according to claim 1 it is characterised in that

Also include covering the cover in described light release portion.

15. LED illumination utensils according to claim 1 it is characterised in that

Described shell is injection mo(u)lding thing.

16. LED illumination utensils according to claim 1 it is characterised in that

Adiabatic sealing is also included between described shell and described Lighting Division.

17. LED illumination utensils according to claim 2 it is characterised in that

Outside in described power suppling part includes hot release portion.

18. LED illumination utensils according to claim 17 it is characterised in that

Described hot release portion includes multiple radiating pins.

19. LED illumination utensils according to claim 18 it is characterised in that

Described radiating aciculiform becomes to tilt with ground composition.

20. LED illumination utensils according to claim 17 it is characterised in that

The thermal conductivity of described metallic plate and the thermal conductivity in described hot release portion, more than the thermal conductivity of described shell.

21. LED illumination utensils according to claim 17 it is characterised in that

Described metallic plate and described hot release portion are extrusion molding thing.

22. LED illumination utensils according to claim 1 are it is characterised in that also include：

It is installed in described power suppling part outside and receive wireless signal so as to adjusting the sky of the power supply providing to Lighting Division Line；And

Control the controller of power supply supply according to the wireless signal receiving by described antenna.