CN202629638U

CN202629638U - COB (Chip on Board)-packaged LED (Light-Emitting Diode) plant lamp

Info

Publication number: CN202629638U
Application number: CN 201220154043
Authority: CN
Inventors: 周海兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-04-12
Filing date: 2012-04-12
Publication date: 2012-12-26
Anticipated expiration: 2022-04-12

Abstract

The utility model discloses a COB (Chip on Board)-packaged LED (Light-Emitting Diode) plant lamp. The COB-packaged LED plant lamp consists of a packaged substrate, a plurality of red LED chips, a plurality of blue LED chips and transparent silica gel, wherein a groove or a substrate plane is arranged on the packaged substrate, the red LED chips and the blue LED chips are arranged in the groove closely at intervals, the transparent silica gel is filled in the groove or arranged on the substrate plane, surrounding the chips, the emergent light planes of the red LED chips and the blue LED chips face the transparent silica gel which can also be replaced by epoxy resin. The red and blue LED chips are packaged on the substrate according to a certain proportion, and the red LED chips and the blue LED chips are arranged closely at intervals, therefore, the red light and blue light produced can be well combined, thus being capable of producing combined light needed by plants and irradiating the crops evenly, being high in combined light utilization rate and saving the cost.

Description

COB packaged LED plant lamp

Technical field

The utility model relates to the LED lighting technical field, relates in particular to a kind of COB packaged LED plant lamp.

Background technology

Over past ten years, LED is efficient because of having, energy-conservation, long-life and install easily that characteristic develops rapidly.The type of wavelength of LED lamp is abundant, just in time becomes with plant photosynthesis with the spectral region of photomorphogenesis to coincide, and can make up as required and obtain pure monochromatic light and complex spectrum, thus the light of concentrated specific wavelength irradiate crops balancedly.The LED plant lamp not only can be regulated crop flowers and solid, as to strengthen seedling quality, raising high-quality seedling rate, shortening growing-seedling period, and can also control the nutritional labeling of plant height and plant.The LED heating is few, and it is little to take up room, and can be used for multilayer cultivation tridimensional combined system, has realized low heat loads and the miniaturization of production space.In addition, the durability of LED extra-heavy has also reduced operating cost.Because these notable attribute, LED was fit to be applied to the plant culture in the controlled facilities environment in ten minutes, like Plant Tissue Breeding, facilities horticulture and industrial seedling rearing and the ecological life support system of space flight etc.

Show after deliberation; The plant requisite energy source of growing only; The required light wavelength of growth and development of plants is 400-700nm, and the wavelength of LED blue light and ruddiness is respectively 400-500nm, 610-720nm, and these two kinds of light positives are well plant required two kinds ' light are fertile '.The red blue combined light of suitable growth and development of plants, and single ruddiness or blue light are to promoting that growth and development of plants does not have too much influence.So all accomplish, even can add the light source of few other colors of part for now plant light filling, promotion growth and development of plants, change plant photoperiod with red blue combined light.In the reality test, the fusion degree of red blue light is one of key factor of the photosynthetic effect of decision plant absorbing.

Existing LED plant lamp; Adopt a plurality of red and blue LED lamp pearls as light source, have bigger distance between lamp pearl and the lamp pearl, can occur the pure redlight district of part unavoidably; Relatively poor and the part light of the light syncretizing effect that is produced can be wasted; Its utilization rate is reduced, increase cost, also can have influence on the part growth and development of plant.

The utility model content

To the weak point that exists in the above-mentioned technology, the utility model provides a kind of COB packaged LED plant lamp, and red blue light line syncretizing effect is good, can produce balancedly irradiate crops of fusion light that plant needs.

For realizing above-mentioned purpose; The utility model provides a kind of COB packaged LED plant lamp; Comprise base plate for packaging, many red LED chips, many blue led chips and transparent silica gel; Said base plate for packaging is provided with a groove or base plan; Said many red LED chips and many blue led streets are arranged in the said groove adjacently or on the base plan, said transparent silica gel is filled up said groove or is encapsulated on the base plan around chip, and the exiting surface of said many red LED chips and many blue led chips is all towards said transparent silica gel.

Wherein, said base plate for packaging is circle, rectangle or polygon base plate for packaging.

Wherein, said groove is circle, rectangle or polygon groove.

Wherein, the quantity ratio of said red LED chips and blue led chip is 6-9: 1.

For realizing above-mentioned purpose; The utility model provides a kind of COB packaged LED plant lamp; Comprise base plate for packaging, many red LED chips, many blue led chips and epoxy resin; Said base plate for packaging is provided with a groove or base plan; Said many red LED chips and many blue led streets are arranged in the said groove adjacently or on the base plan, said epoxy resin fills up said groove or is encapsulated on the base plan around chip, and the exiting surface of said many red LED chips and many blue led chips is all towards said epoxy resin.

Wherein, said groove is circle, rectangle or polygon groove.

Wherein, the quantity ratio of said red LED chips and blue led chip is 6-9: 1.

The beneficial effect of the utility model is: compared with prior art; The COB packaged LED plant lamp that the utility model provides is encapsulated in many red and blue LED chips on the substrate through transparent silica gel or epoxy resin according to a certain percentage, because many red LED chips and many blue led streets are arranged adjacently; Red light that is produced and blue light can merge well; Thereby can produce balancedly irradiate crops of fusion light that plant needs, it is high to merge light utilization efficiency, saves cost.

Description of drawings

Fig. 1 is the structure chart of the LED lamp pearl of the utility model first embodiment;

Fig. 2 is the structure chart of the base plate for packaging of the utility model first embodiment;

Fig. 3 is the structure chart after Fig. 1 and Fig. 2 assembled package;

Fig. 4 is the structure chart of the LED lamp pearl of the utility model second embodiment;

Fig. 5 is the structure chart of the base plate for packaging of the utility model second embodiment;

Fig. 6 is the structure chart after Fig. 4 and Fig. 5 assembled package;

Fig. 7 is the structure chart of the LED lamp pearl of the utility model the 3rd embodiment;

Fig. 8 is the structure chart of the base plate for packaging of the utility model the 3rd embodiment;

Fig. 9 is the structure chart after Fig. 7 and Fig. 8 assembled package.

The main element symbol description is following:

10, base plate for packaging 11, red LED chips

12, blue led chip 13, groove

The specific embodiment

In order more clearly to explain the utility model, the utility model is done to describe further below in conjunction with accompanying drawing.

The COB encapsulation that relates in the utility model is chip On board, exactly bare chip is sticked on the interconnect substrates with conduction or non-conductive adhesive, and the bonding that goes between is then realized its electrical connection.

See also Fig. 1-9; The COB packaged LED plant lamp that the utility model provides; Comprise base plate for packaging 10, many red LED chips 11, many blue led chips 12 and transparent silica gel (figure does not show), base plate for packaging 10 is provided with a groove 13, and many red LED chips 11 are arranged in the groove 13 with many blue led chips 12 at interval adjacently; Transparent silica gel is filled up groove 13, and the exiting surface of many red LED chips 11 and many blue led chips 12 is all towards transparent silica gel.

It is understandable that; Above-mentioned transparent silica gel also can replace with epoxy resin; So long as many red LED chips 11 and many blue led chips 12 are encapsulated in interior transparent material; Reach the effect of COB encapsulation, all belong to simple deformation or conversion, fall into the protection domain of the utility model the utility model.Certainly; Also groove 13 can be set; Directly on the base plate for packaging plane directly around chip periphery encapsulation many red LED chips 11 and many blue led chips 12, make the exiting surface of many red LED chips 11 and many blue led chips 12 all towards transparent silica gel or epoxy resin.

Situation compared to prior art; The COB packaged LED plant lamp that the utility model provides is encapsulated in many red and blue LED chips on the substrate through transparent silica gel or epoxy resin according to a certain percentage, because many red LED chips and many blue led streets are arranged adjacently; Red light that is produced and blue light can merge well; Thereby can produce balancedly irradiate crops of fusion light that plant needs, it is high to merge light utilization efficiency, saves cost.

In this embodiment, above-mentioned base plate for packaging 10 is circle, rectangle or polygon base plate for packaging.It is understandable that; The utility model is not limited to the size and dimension of base plate for packaging; So long as be used for encapsulating many red LED chips 11 and many blue led chips 12; Reach the effect of COB encapsulation, all belong to simple deformation or conversion, fall into the protection domain of the utility model the utility model.

In this embodiment, above-mentioned groove 13 is circle, rectangle or polygon groove.It is understandable that; The utility model is not limited to the size and dimension of groove 13; So long as be used for encapsulating many red LED chips 11 and many blue led chips 12; Reach the effect of COB encapsulation, all belong to simple deformation or conversion, fall into the protection domain of the utility model the utility model.

In this embodiment, the quantity ratio of above-mentioned red LED chips and blue led chip is 6-9: 1.It is understandable that; The utility model is not limited to the quantity ratio of red LED chips and blue led chip, so long as reach the effect that merges light with red LED chips 11 and blue led chip 12 proportionings, and according to the difference of actual plant; Can also adjust the wavelength of light through the led chip that adds other colors; As the form that adds the White LED chip adjusts light wavelength, all belongs to simple deformation or conversion to the utility model, falls into the protection domain of the utility model.

The COB packaged LED plant lamp preparation method of the utility model may further comprise the steps:

Step 101: base plate for packaging is provided with a groove or base plan;

Step 102: many red LED chips and many blue led streets are arranged in said groove or the base plan adjacently;

Step 103: in filling up said groove or many red LED chips and many blue led chips are encapsulated in transparent silica gel or epoxy resin around chip.

In step 102, the quantity ratio of red LED chips and blue led chip is 6-9: 1.It is understandable that; The utility model is not limited to the quantity ratio of red LED chips and blue led chip, so long as reach the effect that merges light with red LED chips 11 and blue led chip 12 proportionings, and according to the difference of actual plant; Can also adjust the wavelength of light through the led chip that adds other colors; As the form that adds the White LED chip adjusts light wavelength, all belongs to simple deformation or conversion to the utility model, falls into the protection domain of the utility model.

Show through utility model people research: plant tissue culture, booth leaf vegetables, solanberry and flowers and trees produce and generally adopt incandescent lamp, fluorescent lamp, sodium vapor lamp, Metal halogen lamp even the dysprosium lamp of 600W, 1000W to carry out light filling production at present.The light source of the different spectrum of different plant growth needs, the power conversion efficiency of these light sources have only plant 0.1%～1% of the required spectrum of growing.Wherein contain the useless even harmful wavelength of a lot of plant growths, their physiology effective radiant energy is very low, and energy consumption is very big.

The power conversion efficiency of Different Light sees the following form:

100WLED plant lamp and the contrast of 400W high-pressure mercury lamp see the following form:

This shows that the LED plant lamp can replace the plant lamp of forms such as the sodium of 3-6 times power, golden lutetium lamp, can practice thrift 80% electric energy.

Shown in the LED plant lamp of the utility model and prior art relatively sees the following form:

Compare with present LED plant lamp light source encapsulation, the COB encapsulation can directly be encapsulated in metal base printed circuit board MCPCB with multiple chips, directly dispels the heat through substrate, can not only reduce the manufacturing process and the cost thereof of support, also has the heat radiation advantage that reduces thermal resistance.And production and installation is convenient! Most importantly the mixed light that sends is more even, utilization rate is higher, and plant is absorbed more easily.

More than the disclosed several specific embodiments that are merely the utility model, but the utility model is not limited thereto, any those skilled in the art can think variation all should fall into the protection domain of the utility model.

Claims

1. COB packaged LED plant lamp; It is characterized in that; Comprise base plate for packaging, many red LED chips, many blue led chips and transparent silica gel; Said base plate for packaging is provided with a groove or base plan; Said many red LED chips and many blue led streets are arranged in the said groove adjacently or on the base plan, said transparent silica gel is filled up said groove or is encapsulated on the base plan around chip, and the exiting surface of said many red LED chips and many blue led chips is all towards said transparent silica gel.

2. COB packaged LED plant lamp according to claim 1 is characterized in that, said base plate for packaging is circle, rectangle or polygon base plate for packaging.

3. COB packaged LED plant lamp according to claim 1 and 2 is characterized in that, said groove is circle, rectangle or polygon groove.

4. COB packaged LED plant lamp according to claim 3 is characterized in that, the quantity ratio of said red LED chips and blue led chip is 6-9: 1.

5. COB packaged LED plant lamp; It is characterized in that; Comprise base plate for packaging, many red LED chips, many blue led chips and epoxy resin; Said base plate for packaging is provided with a groove or base plan; Said many red LED chips and many blue led streets are arranged in the said groove adjacently or on the base plan, said epoxy resin fills up said groove or is encapsulated on the base plan around chip, and the exiting surface of said many red LED chips and many blue led chips is all towards said epoxy resin.

6. COB packaged LED plant lamp according to claim 5 is characterized in that, said base plate for packaging is circle, rectangle or polygon base plate for packaging.

7. according to claim 5 or 6 described COB packaged LED plant lamps, it is characterized in that said groove is circle, rectangle or polygon groove.

8. COB packaged LED plant lamp according to claim 7 is characterized in that, the quantity ratio of said red LED chips and blue led chip is 6-9: 1.