CN205232496U - Low -voltage floodlight lamp pearl - Google Patents
Low -voltage floodlight lamp pearl Download PDFInfo
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- CN205232496U CN205232496U CN201520916039.8U CN201520916039U CN205232496U CN 205232496 U CN205232496 U CN 205232496U CN 201520916039 U CN201520916039 U CN 201520916039U CN 205232496 U CN205232496 U CN 205232496U
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Abstract
The utility model discloses a low -voltage floodlight lamp pearl, this floodlight pearl is including arranging the package substrate of bottommost in, the package substrate cross -section is the T font, is provided with the substrate in package substrate upper end center department, sets up the LED chip on the substrate, and LED chip surface is provided with one deck phosphor powder, is fixed with plastic housing along package substrate's the outside, be formed with a recess between plastic housing and the package substrate, it has lens to detain along the lateral wall of this recess, cavity filled silica in the lens, cylinder protrusion in grooved underside in the middle part of the package substrate, floodlight lamp connection has a low tension circuit, and the electricity is connected with step -down type converter chip in this low tension circuit, the utility model discloses electric phenomena can not appear leaking in stable in structure.
Description
Technical field
The utility model relates to LED technical field, relates to a kind of low-voltage floodlight lamp pearl specifically.
Background technology
LED floodlight be a kind of can the point-source of light of to all the winds uniform irradiation, its range of exposures can adjust arbitrarily, shows as the diagram of a regular octahedron in scene.LED floodlight is mainly used to the use doing building decoration illumination, and commercial space illumination use, and ornamental composition is heavier, and the lamp pearl used in LED floodlight is fixed on the reflector center of light fixture.
Floodlight lamp pearl operating voltage of the prior art is high, and power consumption is large, generates heat high, failure rate is high, once there are light fixture electric leakage or supply line's wearing and tearing in using, very easily causes personal injury accidents, therefore, a kind of Stability Analysis of Structures and low voltage circuit is needed to solve this problem.
Utility model content
For deficiency of the prior art, the technical problems to be solved in the utility model there are provided a kind of low-voltage floodlight lamp pearl.
For solving the problems of the technologies described above, the utility model is realized by following scheme: a kind of low-voltage floodlight lamp pearl, this floodlight pearl comprises the base plate for packaging being placed in bottommost, described base plate for packaging cross section is in T shape, center, base plate for packaging upper end is provided with substrate, substrate arranges LED chip, LED chip surface is provided with layer of fluorescent powder, outside along base plate for packaging is fixed with plastic casing, groove is formed between described plastic casing and base plate for packaging, sidewall along this groove is buckled with lens, cavity filling gel in described lens, in the middle part of described base plate for packaging, cylinder protrudes from groove floor, described floodlight pearl is connected with a low-voltage circuit, buck converter chip is electrically connected with in this low-voltage circuit, the BST pin of described buck converter chip, 0.1 μ F electric capacity C5 is connected with between LX pin, described LX pin also connects 100 μ H and is with core inductor L1, voltage stabilizing didoe D1, described voltage stabilizing didoe D1 other end ground connection, the other end of described band core inductor L1 connects LEDA, and on the node that it connects, be connected with two ground capacities, two electric capacity are 68 μ F electric capacity C2 respectively, 0.1 μ F electric capacity C7, the VIN pin of described buck converter chip connects ON/OFF pin, and two pins all connect two ground capacities, two ground capacities are 47 μ F electric capacity C8 respectively, 47 μ F electric capacity C9, the VD pin of described buck converter chip connects 0.22 μ F electric capacity C1, electric capacity C1 other end ground connection, the FB pin of described buck converter chip connects 10K resistance R1, 21.5K resistance R5, the described resistance R1 other end connects LEDB, the node that it connects is connected to three earth resistances, these three earth resistances are 15K resistance R2 respectively, 15K resistance R3, 15K resistance R4.
Further, described plastic casing is provided with two electrode pins, these two electrode pins are connected on the both positive and negative polarity of LED chip by two gold threads.
Further, the model of described buck converter chip is MAX5035.
Further, described lens semicircular in shape.
Further, in the middle part of described base plate for packaging, cylinder protrudes from groove floor 10 ~ 20mm.
Further, described base plate for packaging is aluminium base.
Relative to prior art, the beneficial effects of the utility model are: floodlight lamp pearl of the present utility model is connected with a low-voltage circuit, this low-voltage circuit can make floodlight lamp pearl normally work, increase its life-span, the output current of buck converter chip MAX5035 can reach 1A, and this adjuster accurately can control the electric current of the floodlight lamp pearl flowing through floodlight lamp pearl or several series connection.This circuit can control and keep constant floodlight lamp pearl electric current in wider input voltage range, ensure that the normal work of floodlight lamp pearl.In addition, the utility model Stability Analysis of Structures, there will not be leaky.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the low voltage circuit figure that the utility model floodlight lamp pearl connects.
Fig. 2 is the circuit enlarged drawing of Fig. 1 left part.
Fig. 3 is the circuit enlarged drawing of Fig. 1 right part.
Fig. 4 is the utility model floodlight lamp pearl structural representation.
Mark in accompanying drawing: base plate for packaging 1, plastic casing 2, electrode pin 3, gold thread 4, fluorescent material 5, silica gel 6, lens 7, LED chip 8, substrate 9.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection range of the present utility model.
Please refer to accompanying drawing 4, a kind of low-voltage floodlight lamp pearl of the present utility model, this floodlight pearl comprises the base plate for packaging 1 being placed in bottommost, and described base plate for packaging 1 cross section is in T shape, and described base plate for packaging 1 is aluminium base.Center, base plate for packaging 1 upper end is provided with substrate 9, substrate 9 is arranged LED chip 8, LED chip 8 surface is provided with layer of fluorescent powder 5, outside along base plate for packaging 1 is fixed with plastic casing 2, groove is formed between described plastic casing 2 and base plate for packaging 1, sidewall along this groove is buckled with lens 7, the cavity filling gel 6 in described lens 7, and in the middle part of described base plate for packaging 1, cylinder protrudes from groove floor; Described plastic casing 2 is provided with two electrode pins 3, these two electrode pins 3 are connected on the both positive and negative polarity of LED chip 8 by two gold threads 4, the model of described buck converter chip is MAX5035, described lens 7 semicircular in shape, in the middle part of described base plate for packaging 1, cylinder protrudes from groove floor 10 ~ 20mm.Plastic casing 2 is insulating material, there will not be drain conditions, the base plate for packaging 1 arranged in the middle of plastic casing 2 is for heat radiation, its heat conduction is to another radiator on light fixture, heat Quick diffusing can be made to go out, add the useful life of floodlight lamp pearl, the utility model floodlight lamp bead seal assembling structure is stablized, and avoids leaky.
Please refer to accompanying drawing 1 ~ 3, floodlight pearl is connected with a low-voltage circuit, buck converter chip is electrically connected with in this low-voltage circuit, the BST pin of described buck converter chip, 0.1 μ F electric capacity C5 is connected with between LX pin, described LX pin also connects 100 μ H and is with core inductor L1, voltage stabilizing didoe D1, described voltage stabilizing didoe D1 other end ground connection, the other end of described band core inductor L1 connects LEDA, and on the node that it connects, be connected with two ground capacities, two electric capacity are 68 μ F electric capacity C2 respectively, 0.1 μ F electric capacity C7, the VIN pin of described buck converter chip connects ON/OFF pin, and two pins all connect two ground capacities, two ground capacities are 47 μ F electric capacity C8 respectively, 47 μ F electric capacity C9, the VD pin of described buck converter chip connects 0.22 μ F electric capacity C1, electric capacity C1 other end ground connection, the FB pin of described buck converter chip connects 10K resistance R1, 21.5K resistance R5, the described resistance R1 other end connects LEDB, the node that it connects is connected to three earth resistances, these three earth resistances are 15K resistance R2 respectively, 15K resistance R3, 15K resistance R4.Buck converter chip controls floodlight lamp pearl, the highest release voltage is 36V, is the safe voltage of human body, can not produce harm to human body, and the utility model floodlight lamp pearl has energy-conservation, safety, environmental protection, life-span long advantage.
The foregoing is only preferred implementation of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a low-voltage floodlight lamp pearl, it is characterized in that: this floodlight pearl comprises the base plate for packaging (1) being placed in bottommost, described base plate for packaging (1) cross section is in T shape, base plate for packaging (1) center, upper end is provided with substrate (9), substrate (9) is arranged LED chip (8), LED chip (8) surface is provided with layer of fluorescent powder (5), outside along base plate for packaging (1) is fixed with plastic casing (2), groove is formed between described plastic casing (2) and base plate for packaging (1), sidewall along this groove is buckled with lens (7), cavity filling gel (6) in described lens (7), described base plate for packaging (1) middle part cylinder protrudes from groove floor, described floodlight pearl is connected with a low-voltage circuit, buck converter chip is electrically connected with in this low-voltage circuit, the BST pin of described buck converter chip, 0.1 μ F electric capacity C5 is connected with between LX pin, described LX pin also connects 100 μ H and is with core inductor L1, voltage stabilizing didoe D1, described voltage stabilizing didoe D1 other end ground connection, the other end of described band core inductor L1 connects LEDA, and on the node that it connects, be connected with two ground capacities, two electric capacity are 68 μ F electric capacity C2 respectively, 0.1 μ F electric capacity C7, the VIN pin of described buck converter chip connects ON/OFF pin, and two pins all connect two ground capacities, two ground capacities are 47 μ F electric capacity C8 respectively, 47 μ F electric capacity C9, the VD pin of described buck converter chip connects 0.22 μ F electric capacity C1, electric capacity C1 other end ground connection, the FB pin of described buck converter chip connects 10K resistance R1, 21.5K resistance R5, the described resistance R1 other end connects LEDB, the node that it connects is connected to three earth resistances, these three earth resistances are 15K resistance R2 respectively, 15K resistance R3, 15K resistance R4.
2. a kind of low-voltage floodlight lamp pearl according to claim 1, it is characterized in that: described plastic casing (2) is provided with two electrode pins (3), these two electrode pins (3) are connected on the both positive and negative polarity of LED chip (8) by two gold threads (4).
3. a kind of low-voltage floodlight lamp pearl according to claim 1, is characterized in that: the model of described buck converter chip is MAX5035.
4. a kind of low-voltage floodlight lamp pearl according to claim 1, is characterized in that: described lens (7) semicircular in shape.
5. a kind of low-voltage floodlight lamp pearl according to claim 1, is characterized in that: described base plate for packaging (1) middle part cylinder protrudes from groove floor 10 ~ 20mm.
6. a kind of low-voltage floodlight lamp pearl according to claim 1 or 5, is characterized in that: described base plate for packaging (1) is aluminium base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520916039.8U CN205232496U (en) | 2015-11-17 | 2015-11-17 | Low -voltage floodlight lamp pearl |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520916039.8U CN205232496U (en) | 2015-11-17 | 2015-11-17 | Low -voltage floodlight lamp pearl |
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| Publication Number | Publication Date |
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| CN205232496U true CN205232496U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520916039.8U Active CN205232496U (en) | 2015-11-17 | 2015-11-17 | Low -voltage floodlight lamp pearl |
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| CN (1) | CN205232496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678689A (en) * | 2016-12-15 | 2017-05-17 | 广州市朝花节能科技有限公司 | Automotive board light with reflection electric light source |
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2015
- 2015-11-17 CN CN201520916039.8U patent/CN205232496U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678689A (en) * | 2016-12-15 | 2017-05-17 | 广州市朝花节能科技有限公司 | Automotive board light with reflection electric light source |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |