CN205026466U - LED photovoltaic module subassembly - Google Patents
LED photovoltaic module subassembly Download PDFInfo
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- CN205026466U CN205026466U CN201520598583.2U CN201520598583U CN205026466U CN 205026466 U CN205026466 U CN 205026466U CN 201520598583 U CN201520598583 U CN 201520598583U CN 205026466 U CN205026466 U CN 205026466U
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Abstract
The utility model discloses a LED photovoltaic module subassembly, include: form the three photovoltaic module unit of detachable based on a rectangular substrate. A photovoltaic module unit includes: a plurality of photovoltaic module, it includes: by the first base plate that a plurality of concentric circles cyclic group boards constitute, a photovoltaic module includes two concentric circles cyclic group boards. The 2nd photovoltaic module unit includes: the 2nd photovoltaic module of a plurality of has the second base plate that is the disc. The 3rd photovoltaic module unit includes at least one the 3rd photovoltaic module, has the third base plate that is the disc, and on the excircle circumference that the radius is the biggest in these a plurality of concentric circles cyclic group boards was located to this second base plate, the radius was located in minimum in round week to this third base plate, the diameter of the excircle that this radius is the biggest and this rectangular substrate's length and/or wide equalling. The utility model has the advantages of the heat dissipation is good, low in production cost is honest and clean.
Description
Technical field
The utility model relates to optical technical field, particularly relates to a kind of LED photovoltaic die set.
Background technology
LED light source because having the high and volume lampet advantage of environmental protection, long service life, energy-conservation, stable performance, light efficiency, at present extensive use to various lighting field, as room lighting, automobile, consumption electronic products.
At present, along with developing rapidly of LED technology, LED light source has been widely applied on high-power illumination equipment.And a number of LED lamp bead is more on current high-power illumination, the hundreds and thousands of LED lamp pearl of some needs.Because the luminous power of single LED lamp is limited, the high-power illumination of prior art needs more LED.And the life-span of LED and the operating temperature of node have comparatively close relationship, the LED of prior art approximately only have an appointment in the course of the work 50% electric energy be converted to luminous energy, remaining electric energy is nearly all converted to heat energy loss, this is easy to raise with regard to making the temperature of LED, and temperature raises, can make LED quick aging, stability reduces, and dispel the heat badly also can cause shorten the service life of LED lamp simultaneously.
In high-power LED lighting apparatus, recent a kind of LED photovoltaic module is widely used, this LED photovoltaic module comprises substrate and on substrate, arranges LED drive circuit and LED, because having set the circuit needed for LED illumination on LED photovoltaic module, comprise LED drive chip and LED, only need be installed on the base of LED illumination device, assemble with lampshade etc., without the need to the circuit design etc. of too much consideration LED, production and assembly are convenient.At present, have a kind of photoelectricity module group substrates to be substrate in the form of annular discs, it is separated from rectangular substrate, removes part beyond disc wafer then as waste material, be not fully used in rectangular substrate.And this kind of substrate be used for high-power illumination time, due to whole plate all arranging LED and LED drive chip, element closeness is high, dispels the heat poor.
Therefore, known from the above description, how to improve the problem that the heat radiation of LED photovoltaic module is poor, can not increase again production cost becomes the current popular research topic of LED industry simultaneously.
Utility model content
The utility model, just based on above one or more problem, provides a kind of LED photovoltaic die set, the problem that poor heat radiation and LED illumination device production cost in order to solve LED photovoltaic module in prior art are higher.
A kind of LED photovoltaic die set, comprise: form dismountable first photoelectricity module group unit, the second photoelectricity module group unit and the 3rd photoelectricity module group unit based on a rectangular substrate, described first photoelectricity module group unit comprises: several the first photoelectricity modules, several the first photoelectricity modules described comprise: the first substrate be made up of multiple donut substrate, and described in each, the first photoelectricity module comprises two donut substrates; Described second photoelectricity module group unit, comprising: several the second photoelectricity modules, and described second photoelectricity module comprises one in discoidal second substrate; And the 3rd photoelectricity module group unit, comprise at least one the 3rd photoelectricity module, described 3rd photoelectricity module comprises one in discoidal 3rd substrate, described second substrate is located at cylindrical that in described multiple donut substrate, radius is maximum circumferentially, described 3rd substrate is located in the inner circle circumference that in described multiple donut substrate, radius is minimum, the length of the maximum outer diameter of a circle of described radius and described rectangular substrate and/or wide equal, wherein, the center of circle of described first substrate, described second substrate and described 3rd substrate is positioned on the diagonal of described rectangular substrate.
Preferably, be installed on the base of LED lamp after at least two described first photoelectricity module combinations in several the first photoelectricity modules described, described LED lamp comprises power control unit, the open and close of the power supply of at least two the first photoelectricity modules described in controlling respectively.
Preferably, described second substrate is connected with described first substrate by least one first connector, and described 3rd substrate is connected with described first substrate by several second connectors, and described first connector and described second connector are thermal sheet.
Preferably, described 3rd photoelectricity module also comprises: be located at some the 3rd LED on described 3rd substrate and the 3rd LED drive circuit, described some the 3rd LED are distributed as the LED annular array of two concentrics: the first LED annular array and the second LED annular array, described second LED annular array is positioned at described first LED annular array, and described LED drive circuit is between described first LED annular array and the second LED annular array.
Preferably, described second photoelectricity module also comprises: be located at some the second LED on described second substrate surface, the second LED drive circuit and several the second fixing holes, described some the second LED and several second fixing holes described form an annular array, in described annular array, be separated with at least one the second LED between adjacent two described second fixing holes, described second LED drive circuit is positioned at described annular array.
Preferably, the gap in described multiple donut substrate between adjacent two donut substrates is provided with several the 3rd connectors, and described 3rd connector connects described adjacent two donut substrates, and described 3rd connector is thermal sheet.
Preferably, the spacing between described adjacent two donut substrates is 1.5mm ~ 2.5mm.
Preferably, the quantity of definition several the first photoelectricity modules described is N number of (N > 1, and be integer), then described N number of first photoelectricity module comprises 2N the donut substrate varied in size, described in each, annulus substrate surface is distributed with some LED lamp, described 2N donut substrate carries out number consecutively along the direction increased gradually apart from the center of circle of described 2N donut substrate, be followed successively by the 1st, 2nd ... is N number of, N+1 ... 2N annulus substrate, 1st the first photoelectricity module comprises the 1st annulus substrate and N+1 annulus substrate, described 2nd the first photoelectricity module comprises the 2nd annulus substrate and N+2 annulus substrate, N number of first photoelectricity module comprises N number of annulus substrate and 2N annulus substrate, wherein, described 1st annulus substrate is connected by the first linkage unit with described N+1 annulus substrate, described 2nd annulus substrate is connected by the second linkage unit with N+2 annulus substrate, described N number of annulus substrate is connected by N linkage unit with 2N annulus substrate, described first linkage unit, described second linkage unit ... on described N linkage unit, correspondence is provided with the LED drive circuit of described 1st the first photoelectricity module respectively, the LED drive circuit of described 2nd the first photoelectricity module ... the LED drive circuit of described N number of first photoelectricity module.
Preferably, each annulus substrate of described 2N donut substrate is provided with several fixing holes for the described annulus substrate of fixing correspondence, wherein, annulus substrate described in each have at least a pair fixing hole to be symmetric about the center of circle of described 2N donut substrate.
Preferably, described rectangular substrate is square substrate, and the ratio between the radius of described second substrate and the maximum outer radius of a circle of the described radius of described multiple donut substrate is between 0.15 to 0.20.
LED photovoltaic die set of the present utility model, the first substrate of the first photoelectricity module of the first photoelectricity module group unit is set to donut substrate, the disc wafer used in existing high-power LED illumination has preferably radiating effect, utilize the shape of rectangular substrate that the second substrate of some second photoelectricity modules and the 3rd substrate of the 3rd photoelectricity module are set simultaneously, the obsolete material of the rectangular substrate after manufacturing disk substrate in prior art is fully used, the multiple second photoelectricity module of extra acquisition, reduce the production cost of LED illumination device on the whole.
Accompanying drawing explanation
Fig. 1 is the structural representation of the LED photovoltaic die set of the utility model better embodiment.
Fig. 2 is the structural representation of the second photoelectricity module of Fig. 1.
Fig. 3 is the structural representation of the 3rd photoelectricity module of Fig. 1.
Fig. 4 is the circuit modular structure schematic diagram of the drive circuit 11 of the first photoelectricity module of Fig. 1.
Fig. 5 is the circuit modular structure schematic diagram of the drive circuit 12 of the first photoelectricity module of Fig. 1.
Fig. 6 is the circuit modular structure schematic diagram of the drive circuit 13 of the first photoelectricity module of Fig. 1.
Fig. 7 is the LED drive circuit structure schematic diagram of the first photoelectricity module of the utility model preferred embodiment.
Fig. 8 is the LED drive circuit structure schematic diagram of the 3rd photoelectricity module of the utility model preferred embodiment.
Fig. 9 is the LED drive circuit structure schematic diagram of the second photoelectricity module of the utility model preferred embodiment.
Figure 10 is the structural representation in the photoelectricity die set of the utility model first embodiment after two first photoelectricity module combinations.
Figure 11 is the structural representation in the photoelectricity die set of the utility model second embodiment after two first photoelectricity module combinations.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in detail.It should be noted that, if do not conflicted, each feature in the utility model embodiment and embodiment can be combined with each other, all within protection domain of the present utility model.
The LED photovoltaic die set of the utility model better embodiment, comprise: form dismountable first photoelectricity module group unit, the second photoelectricity module group unit and the 3rd photoelectricity module group unit based on a rectangular substrate, described first photoelectricity module group unit comprises: several the first photoelectricity modules, several the first photoelectricity modules described comprise: the first substrate be made up of multiple donut substrate, and described in each, the first photoelectricity module comprises two donut substrates; Described second photoelectricity module group unit, comprising: several the second photoelectricity modules, and described second photoelectricity module comprises one in discoidal second substrate; And the 3rd photoelectricity module group unit, comprise at least one the 3rd photoelectricity module, described 3rd photoelectricity module comprises one in discoidal 3rd substrate, described second substrate is located at cylindrical that in described multiple donut substrate, radius is maximum circumferentially, described 3rd substrate is located in the inner circle circumference that in described multiple donut substrate, radius is minimum, the length of the maximum outer diameter of a circle of described radius and described rectangular substrate and/or wide equal, the center of circle of described first substrate, described second substrate and described 3rd substrate is positioned on the diagonal of described rectangular substrate.Further, described first substrate, described second substrate and described 3rd substrate is formed by cutting described rectangular substrate.In addition, it should be noted that, because the spacing (i.e. thickness) of upper surface of base plate and lower surface is less, usually this thickness is between 0.1 millimeter to 5 millimeters, and do not relate to this thickness at the utility model, mainly to the shape between the LED drive circuit on circular substrate and LED, the features such as structure are described, so relate in description substrate be disk or circular time geometrical aspects time directly look at flat circle or annulus and carry out relevant description, such as directly can use the center of circle of disc wafer, actually refer to the central point that disc wafer is provided with the surface of LED drive circuit and LED.
LED photovoltaic die set of the present utility model, the first substrate of the first photoelectricity module of the first photoelectricity module group unit is set to donut substrate, the disc wafer used in existing high-power LED illumination has preferably radiating effect, utilize the shape of rectangular substrate that the second substrate of some second photoelectricity modules and the 3rd substrate of the 3rd photoelectricity module are set simultaneously, the obsolete material of the rectangular substrate after manufacturing disk substrate in prior art is fully used, the multiple second photoelectricity module of extra acquisition, reduce the production cost of LED illumination device on the whole.
Refer to Fig. 1, Fig. 1 is the structural representation of the LED photovoltaic die set of the utility model better embodiment.As shown in Figure 1, the LED photovoltaic die set of the utility model better embodiment, comprising: the first photoelectricity module group unit 10, second photoelectricity module group unit 20 and the 3rd photoelectricity module group unit 30.
First photoelectricity module group unit 10 comprises: 3 the first photoelectricity modules, each first photoelectricity module comprises two donut substrates, and 3 the first photoelectricity modules corresponding 6 donut substrates 11a, 11b, 12a, 12b, 13a, 13b, these 6 donut substrates 11a, 11b, 12a, 12b, 13a, 13b form first substrate.Some LED lamp 15a, 15b, 15c and several fixing holes 14a, 14b, 14c, 14d is distributed with at each annulus substrate surface.These 6 donut substrate 11a, 11b, 12a, 12b, 13a, number consecutively is carried out in the direction that 13b increases gradually along the center of circle apart from 6 donut substrates, be followed successively by the 1st annulus substrate 11a, 2nd annulus substrate 12a, 3rd annulus substrate 13a, 4th annulus substrate 11b, 5th annulus substrate 12b, 6th annulus substrate 13b, wherein, 1st the first photoelectricity module comprises the 1st annulus substrate 11a and a 4th annulus substrate 11b, described 2nd the first photoelectricity module comprises the 2nd annulus substrate 12a and a 5th annulus substrate 12b, 3rd the first photoelectricity module comprises the 3rd annulus substrate 13a and a 6th annulus substrate 13b, wherein, described 1st annulus substrate 11a is connected by the first linkage unit 17a with described 4th annulus substrate 11b, described 2nd annulus substrate 12a is connected by the second linkage unit 17b with the 5th annulus substrate 12b, described 3rd annulus substrate 13a is connected by the 3rd linkage unit 17c with the 6th annulus substrate 13b, described first linkage unit 17a, on described second linkage unit 17b and described 3rd linkage unit 17c, correspondence is provided with the LED drive circuit 11 of described 1st the first photoelectricity module respectively, the LED drive circuit 12 of the 2nd the first photoelectricity module, and the LED drive circuit 13 (LED drive circuit 11 of the 3rd the first photoelectricity module, 12, the circuit module distribution of 13 is please respectively see Fig. 4, Fig. 5, Fig. 6).Here be for 3 the first photoelectricity modules, in fact those skilled in the art can to 4 according to this enlightenment, 5 or more first photoelectricity module adopt similar setting: namely, the quantity defining this several the first photoelectricity module is N number of (N > 1, and be integer), then this N number of first photoelectricity module comprises 2N the donut substrate varied in size, each this annulus substrate surface is distributed with some LED lamp, this 2N donut substrate carries out number consecutively along the direction increased gradually apart from the center of circle of this 2N donut substrate, be followed successively by the 1st, 2nd ... is N number of, N+1 ... 2N annulus substrate, 1st the first photoelectricity module comprises the 1st annulus substrate and N+1 annulus substrate, 2nd the first photoelectricity module comprises the 2nd annulus substrate and N+2 annulus substrate, N number of first photoelectricity module comprises N number of annulus substrate and 2N annulus substrate, wherein, 1st annulus substrate and this N+1 annulus substrate is connected by the first linkage unit, 2nd annulus substrate is connected by the second linkage unit with N+2 annulus substrate, this N number of annulus substrate is connected by N linkage unit with 2N annulus substrate, this first linkage unit, this second linkage unit ... on this N linkage unit, correspondence is provided with the LED drive circuit of the 1st the first photoelectricity module respectively, the LED drive circuit of the 2nd the first photoelectricity module ... the LED drive circuit of this N number of first photoelectricity module.Preferably, this first linkage unit, this second linkage unit ... this N linkage unit is arranged side by side successively.In a specific embodiment, described first linkage unit 17a be the 2nd annulus substrate 12a and the 3rd annulus substrate 13a between the 1st annulus substrate 11a and a 4th annulus substrate 11b from the direction deviating from the described center of circle successively divided go out a part form, described second linkage unit 17b be the 3rd annulus substrate 13a and the 4th annulus substrate 11b between described 2nd annulus substrate 12a and a 5th annulus substrate 12b from the direction deviating from the described center of circle successively divided go out a part form, described 3rd linkage unit be the 4th annulus substrate 11b and the 5th annulus substrate 12b between described 3rd annulus substrate 13a and described 6th annulus substrate 13b from the direction deviating from the described center of circle successively divided go out a part form, wherein, described first linkage unit 17a, described second linkage unit 17b and described 3rd linkage unit 17c is bar shaped.
Second photoelectricity module group unit 20 comprises 4 second photoelectricity modules 20a, 20b, 20c, 20d (concrete structure of second photoelectricity module 20a, 20b, 20c, 20d refers to Fig. 2 and hereinafter describes), and the second substrate of these 4 second photoelectricity modules 20a, 20b, 20c, 20d is symmetric on the periphery of first substrate.The second substrate of each the second photoelectricity module (as 20d) by least one first connector 18a with as described in first substrate be connected, this first connector 18a is thermal sheet, it is bar shaped, be preferably when rectangular substrate is cut and leave a part as the first connector from rectangular substrate, first substrate and second substrate are coupled together, convenient overall carrying.Between first substrate and second substrate, the length of the first connector 18a is better between 1mm to 10mm.
3rd photoelectricity module group unit 30 is arranged in the circumference (concrete structure of the 3rd photoelectricity module refers to Fig. 3) of the minimum inner circle 110 of described multiple donut substrate radius, comprise at least one the 3rd photoelectricity module, 3rd substrate of the 3rd photoelectricity module is connected by the circumference of several second connectors 18b inner circle 110 minimum with the radius of described first substrate, and described second connector 18b is thermal sheet.In better embodiment of the present utility model, the 3rd photoelectricity module group unit 30 comprises a 3rd photoelectricity module, and the 3rd substrate of the 3rd photoelectricity module is connected to inner circle 110 by 4 the second connector 18b.
In a specific embodiment, gap in described multiple donut substrate 11a, 11b, 12a, 12b, 13a, 13b between adjacent two donut substrates (as 11b and 12b) is provided with several the 3rd connector 18c, described 3rd connector 18c connects described adjacent two donut substrates (11b and 12b), and described 3rd connector 18c is thermal sheet.Further, preferably, the spacing between described adjacent two donut substrates is 1.5mm ~ 2.5mm.Excessive waste baseplate material is set; Arrange too small, not easily separated and formation the 3rd connector 18c on the one hand, another aspect due to the existence of error when re-packing (namely carrying out circuit setting to LED drive circuit on substrate), may cause erroneous judgement and be cut away by the circuit on substrate, and best spacing is 2mm.
Further, each annulus substrate of these 6 donut substrates 11a, 11b, 12a, 12b, 13a, 13b is provided with several fixing hole 14a, 14b, 14c and 14d for the described annulus substrate of fixing correspondence, wherein, annulus substrate described in each have at least a pair fixing hole 14b to be symmetric about the center of circle of described 6 donut substrates.Described first photoelectricity module group unit comprises multiple fixing hole 14a, 14b, 14c, 14d, these fixing holes 14a, 14b, 14c, 14d are for being fixed to the base of LED lamp by the first photoelectricity module of correspondence, when installation first photoelectricity module, just photoelectricity module can be fixed with fixtures such as plastic screws through the fixing hole on annulus substrate.Annulus substrate described in each is distributed with some described fixing holes, wherein, described multiple fixing hole 14a, 14b, 14c, 14d are divided into three groups in the first photoelectricity module group unit, and the fixing hole 14a in first group is distributed on the straight line through the described center of circle, and symmetrical about the described center of circle; Fixing hole 14b in second group is positioned at described straight line side, and is positioned at on the vertical line of described linear vertical, and described vertical line is through the described center of circle; Multiple fixing hole 14c and 14d in described 3rd group are positioned at described straight line opposite side, relative with the fixing hole 14b in described second group, curved section of line between described multiple fixing hole, and be arranged in the line of fixing hole 14c and 14d of described 3rd group of described curved section two ends through the described center of circle, form a diameter with vertical line.Described LED 15b and the LED 15c of the fixing hole 14b both sides in described second group are symmetrical about described vertical line.This create a further reduction the difficulty of LED even light mixing design.In a specific embodiment, 3 dismountable first photoelectricity modules comprise 24 fixing hole 14a, 14b, 14c, 14d, annulus substrate described in each comprises 4 fixing holes, and these 24 fixing hole 14a, 14b, 14c, described 6 donut substrates are divided into 4 regions by 14d, in each area, the LED quantity of the 4th annulus substrate surface of the 1st the first photoelectricity module is the twice of the LED quantity of the 1st annulus substrate surface, the LED quantity of the 5th annulus substrate surface of described 2nd the first photoelectricity module is the twice of the LED quantity of the 2nd annulus substrate surface, the LED quantity of the 6th annulus substrate surface of the 3rd the first photoelectricity module is the twice of the LED quantity of the 3rd annulus substrate surface.Further, one of 12 described 6 donut substrates of fixing hole distribution is had diametrically in these 24 fixing holes, have 6 described fixing holes to be distributed on the Radius of described 6 donut substrates vertical with described diameter, between remaining 6 described fixing holes, curved section of line is distributed in the opposite side of described radius.Wherein the line of the fixing hole at curved section two ends is through the center of circle, is namely positioned on radius.Other fixing hole of curved section is distributed in the same side of radius.Be convenient to like this arrange fixing hole, the light mixing effect of LED is also better simultaneously.
In a preferred embodiment, described rectangular substrate is square substrate, namely rectangular substrate length and wide equal time, be assumed to length d, now, the radius of the cylindrical 130 that radius is maximum is 1/2nd of length d, at this moment, four angles of square substrate distribute four second photoelectricity modules 20a, 20b, 20c, 20d, and now the ratio of the radius of the radius of each second substrate in the form of annular discs and the maximum cylindrical 130 of described multiple donut substrate is less than (√ 2-1)/2.When ratio between the radius of described second substrate and the maximum outer radius of a circle of the described radius of described multiple donut substrate is between 0.15 to 0.20, the waste material residue of rectangular substrate is less, and whole rectangular substrate is utilized preferably.
Refer to Fig. 2, Fig. 2 is the structural representation of the second photoelectricity module of Fig. 1.As shown in Figure 2, second photoelectricity module 20a of better embodiment of the present utility model, comprise: second substrate 25, be located at some the second LED 22a on described second substrate 25 surface, 22b, the circuit module of the second LED drive circuit and several second fixing holes 23a, 23b, 23c, described some the second LED 22a, 22b and described several second fixing holes 23a, 23b, 23c forms an annular array, in described annular array, adjacent two described second fixing hole 23a, at least one the second LED is separated with between 23b, in Fig. 3, for two, interval the second LED, the circuit module of described second LED drive circuit is positioned at described annular array.Annular array is positioned at the outermost on this second substrate 25 surface.The core of second substrate 25 is provided with power line through hole 24, between power line through hole 24 and this annular array, is distributed with the circuit module of the second LED drive circuit.The circuit module of this second LED drive circuit mainly comprises the second AC power incoming end 27, second rectification unit 21, second LED drive chip 26.Second AC power incoming end 27 and the second rectification unit 21 are positioned at the same area on second substrate 25 surface, and the second LED drive chip 26 is positioned at another region on second substrate 25 surface, such design, to prevent the performance of heat effects second LED drive chip 26 of the second rectification unit 21, even service life.
Refer to Fig. 3, Fig. 3 is the structural representation of the 3rd photoelectricity module of Fig. 1.As shown in Figure 3, 3rd photoelectricity module 30 comprises: disc wafer 30a, be located at the some LED lamp 31a on described disc wafer 30a, 31b, 31c and LED drive circuit, wherein, described some LED lamp 31a, 31b, 31c is distributed as the LED annular array of two concentrics: the first LED annular array and the second LED annular array, described second LED annular array is positioned at described first LED annular array, described LED drive circuit is between described first LED annular array and the second LED annular array, wherein, the spacing of arbitrary neighborhood two LEDs of described second LED annular array is greater than the spacing of arbitrary neighborhood two LED lamp of described first LED annular array.
3rd photoelectricity module 30 of the utility model better embodiment, by described some LED lamp being set to the LED annular array of two concentrics, between two LED annular arrays, LED drive circuit is set, and suitably increase the spacing of adjacent two LED lamp in the second LED annular array, not only heat radiation is good, and even light mixing, structure is simple.
In a specific embodiment, described LED drive circuit comprises: power access end 37, rectification unit 32a, discharge cell 36 and LED drive chip 32b, described power access end 37, rectification unit 32a, discharge cell 36 are located at the first area on described disc wafer 30a surface, and described LED drive chip 32b is located at the second area of described disc wafer 30a surface and interval, described first area predeterminable range.Further, the core of described disc wafer 30a is provided with the power line through hole 35 being positioned at described second LED annular array, and described first area and described second area are about described power line through hole 35 symmetry.Here discharge cell 36 is two resistance, can also be the common discharge circuit of other electronic devices and components composition certainly.
Further, described disc wafer 30a surface is provided with second different fixing hole 34a, 34b, 34c of several the first fixing hole 33a, 33b, 33c and several and described first fixing hole 33a, 33b, 33c shape, and described first fixing hole 33a, 33b, 33c and described second fixing hole 34a, 34b, 34c is located between described first LED annular array and described second LED annular array.Preferably, several the first fixing hole 33a, 33b, 33c described and several second fixing holes described are alternately arranged 34a, 34b, 34c, and the first fixing hole described in each and the second fixing hole described in corresponding are located at the described relative both sides of power line through hole 35.For ease of the 3rd photoelectricity module heat radiation, described disc wafer is aluminium base or insulating and heat-conducting plastics substrate.
In a specific embodiment, the spacing of arbitrary neighborhood two LEDs of described second LED annular array is equal, and the spacing of arbitrary neighborhood two LED lamp of described first LED annular array is equal.
Refer to Fig. 4, Fig. 4 is the first circuit modular structure schematic diagram of the LED drive circuit 11 of the first photoelectricity module in Fig. 1.As shown in Figure 4, first circuit module of LED drive circuit 11 is bent distribution, comprise: power access end 113, rectification unit 112, discharge cell 114 and LED drive chip 111, wherein, power access end 113 and rectification unit 112 are positioned on annulus substrate surface, are inclined to set, and discharge cell 114 and LED drive chip 111 are distributed in the first linkage unit 17a surface.This bent has a bending angle α, and this bending angle α gets obtuse angle, the best 135 ° time.
Refer to Fig. 5, Fig. 5 is the second circuit modular structure schematic diagram of the LED drive circuit 12 of the first photoelectricity module in Fig. 1.The second circuit module of LED drive circuit 12 comprises: power access end 124, rectification unit 123, discharge cell 125, first LED drive chip 121 and the second LED drive chip 122.Wherein power access end 124, rectification unit 123, discharge cell 125, second LED drive chip 122 are distributed in the second linkage unit 17b on the surface, and the first LED drive chip 121 is distributed in circular substrate on the surface.
Refer to Fig. 6, Fig. 6 is the tertiary circuit modular structure schematic diagram of the LED drive circuit 13 of the first photoelectricity module in Fig. 1.As shown in Figure 6, the tertiary circuit module of LED drive circuit 13 comprises: power access end 134, rectification unit 133, discharge cell 135, the 3rd LED drive chip 131, the 4th LED drive chip 132, be distributed on the 3rd linkage unit 17c.
Refer to Fig. 7, Fig. 7 is the LED drive circuit structure schematic diagram of the first photoelectricity module of the utility model preferred embodiment.As shown in Figure 7, the LED drive circuit of the first photoelectricity module of the utility model preferred embodiment mainly comprises: as L (live wire), N (zero line) two ends of power access end, rectification unit DB1, this rectification unit DB1 adopts the rectifier bridge of four common diode compositions, as series resistance R1 and R2, LED drive chip U3 and the U4 of discharge cell.The driving principle of this LED drive circuit to LED LED7, LED8, LED8 briefly introduces as follows:
AC power, after power access end L holds inflow, flows into rectification unit DB1 through fuse F1, flows into the LED LED7 of many series connection, LED8, LED9 after rectification unit DB1 rectification is direct current.As the LED LED7 of these many series connection, the electric current driving control unit of LED8, LED9 after LED drive chip U3 and U4 parallel connection, LED drive chip U3 and LED drive chip U4 belongs to the driving chip of same configuration, now illustrate for LED drive chip U3, LED drive chip U3 is constant-current driven chip, comprise: the first driver element and the second driver element, this first driver element comprises: the first Current adjustment end 2 (REXT1), first earth terminal 1 (GND1), first free end 8 (NC), the first current output terminal 7 (OUT1); This second driver element comprises: the second Current adjustment end 4 (REXT2), second earth terminal 3 (GND2), second current output terminal 5 (OUT2), second free end 6 (NC), wherein, LED drive chip U3 also comprises packing colloid, by this first driver element and this second driver element integral packaging.This first driver element and this second driver element can be the driver element of a standalone feature, the separately electric current of all adjustable LED unit separately.First driver element and the second driver element are encapsulated in same packing colloid, a power input can be shared, simplify circuit structure, saved the space that chip takies simultaneously, reduced production cost.Further, the first current output terminal 7 (OUT1) rear road in parallel with the second current output terminal 5 (OUT2) of LED drive chip U3 is connected to the negative electrode of LED9, ground connection after another road is connected with electric capacity C3.Ground connection after resistance R5 is connected to after first Current adjustment end 2 (REXT1) is in parallel with the second Current adjustment end 4 (REXT2).The output current size of adjustable first current output terminal 7 (OUT1) of resistance R5 and the second current output terminal 5 (OUT2).Another LED drive chip U4 is identical with LED drive chip U3, is also the negative electrode that the first current output terminal 7 (OUT1) rear road in parallel with the second current output terminal 5 (OUT2) is connected to LED9, ground connection after another road is connected with electric capacity C4.Ground connection after resistance R6 is connected to after first Current adjustment end 2 (REXT1) is in parallel with the second Current adjustment end 4 (REXT2).
It should be noted that, here for convenience of description, only for three LED lamp LED7, LED8, LED9, in fact, in the second photoelectricity module of reality, need tens of and even hundreds of LED lamp, only these LED need be connected, simultaneously according to the quantity of LED, the quantity of configuration LED drive chip, only need be connected in parallel between LED drive chip as shown in Figure 7, this is for the art personnel, after the parallel connection with reference to LED drive chip 3 and LED drive chip 4, be easy to the parallel connection realizing plurality of LEDs driving chip, do not repeat them here.
Refer to Fig. 8, Fig. 8 is the LED drive circuit structure schematic diagram of the 3rd photoelectricity module of the utility model preferred embodiment.As shown in Figure 8, the LED drive circuit of the 3rd photoelectricity module of the utility model preferred embodiment mainly comprises: as L (live wire), N (zero line) two ends of power access end, rectification unit DB1, this rectification unit DB1 adopts the rectifier bridge of four common diode compositions, as series resistance R1 and the R2 of discharge cell, LED drive chip U1.The driving principle of this LED drive circuit to LED LED1, LED2, LED3 briefly introduces as follows:
AC power, after power access end L holds inflow, flows into rectification unit DB1 through fuse F1, flows into the LED LED1 of many series connection, LED2, LED3 after rectification unit DB1 rectification is direct current.The LED LED1 of LED drive chip U1 as these many series connection, the electric current driving control unit of LED2, LED3, comprise: 8 pins, wherein, 4th pin D1 is as LED drive chip power input and the first constant current output port, it exports a road and is connected between LED1 and the LED2 of the LED of many series connection, ground connection after another road connection electric capacity C1, 3rd pin D2 is as the second constant current output port, it exports between LED2 and the LED3 of the LED being connected to many series connection, 2nd pin D3 is as the 3rd constant current output port, 1st pin D4 is as the 4th constant current output port, 3rd constant current output port is connected to the negative electrode of the LED3 of the end of the LED of many series connection together with the 4th constant current output port, 5th pin R arranges end as output current value, also be the Current adjustment end of LED drive chip U1, ground connection after its contact resistance R3, resistance R3 can be used as the current regulation unit of the current output value regulating LED drive chip U1.Electric current the 6th pin and the 7th pin are as free end, and the 8th pin GND is as the earth terminal of LED drive chip.
It should be noted that, here for convenience of description, only for three LED lamp LED1, LED2, LED3, in fact, in the 3rd photoelectricity module of reality, tens of and even hundreds of LED lamp is needed, when these LED are connected, only need with reference to Fig. 8 such, the described LED at interval of predetermined quantity is provided with a constant current incoming end, and described constant current incoming end is connected with a constant current output end of described LED drive chip.By these constant current output ends, chip can realize opening LED step by step, to realize high efficiency and High Power Factor.
Refer to Fig. 9, Fig. 9 is the LED drive circuit structure schematic diagram of the second photoelectricity module of the utility model preferred embodiment.As shown in Figure 9, the LED drive circuit of the second photoelectricity module of the utility model preferred embodiment mainly comprises: as L (live wire), N (zero line) two ends of power access end, rectification unit DB1, this rectification unit DB1 adopts the rectifier bridge of four common diode compositions, as series resistance R1 and the R2 of discharge cell, LED drive chip U2.The LED drive circuit of this LED drive circuit to the 3rd photoelectricity module of the driving principle of LED LED4, LED5, LED6 and Fig. 7 is similar, and difference mainly uses a LEDs driving chip to come drived control LED LED4, LED5, LED6, briefly introduces as follows:
AC power, after power access end L holds inflow, flows into rectification unit DB1 through fuse F1, flows into the LED LED4 of many series connection, LED5, LED6 after rectification unit DB1 rectification is direct current.The LED LED4 of LED drive chip U2 as these many series connection, the electric current driving control unit of LED5, LED6, LED drive chip U3 structure wherein in LED drive chip U2 and Fig. 7 is identical, first current output terminal 7 (OUT1) rear road in parallel with the second current output terminal 5 (OUT2) of LED drive chip U2 is connected to the negative electrode of LED6, ground connection after another road is connected with electric capacity C2.Ground connection after resistance R4 is connected to after first Current adjustment end 2 (REXT1) is in parallel with the second Current adjustment end 4 (REXT2).The output current size of adjustable first current output terminal 7 (OUT1) of resistance R4 and the second current output terminal 5 (OUT2).
Embodiment 1
Refer to Figure 10, Figure 10 is the structural representation in the photoelectricity die set of the utility model first embodiment after two first photoelectricity module combinations.As shown in Figure 10, this two first photoelectricity module combination 200 comprises: the 2nd annulus substrate 12a, the 3rd annulus substrate 13a, the 5th annulus substrate 12b, the 6th annulus substrate 13b, the second linkage unit, the 3rd linkage unit, drive circuit 12 and drive circuit 13 and plurality of LEDs lamp.2nd annulus substrate 12a and the 3rd annulus substrate 13a arranged adjacent, 5th annulus substrate 12b and the 6th annulus substrate 13b arranged adjacent, the core of the 2nd annulus substrate 12a is through hole 220, toroidal cavity 230 between 3rd annulus substrate 13a and the 5th annulus substrate 12b, and be positioned at the breach 210 of the second linkage unit, through hole 220, toroidal cavity 230 and breach 210 contributes to LED and heat is delivered in air by LED drive chip in time, and can not be stacked on each annulus substrate.This two first photoelectricity module combinations 200 can be applied to the LED lamp requiring luminous power higher, be directly installed on the base of LED lamp, and the radiating effect of LED lamp are good, long service life.Further, this LED lamp arranges power control unit, can by controlling electric power starting and the closedown of two first photoelectricity modules respectively, and realize in a kind of LED lamp, realize three kinds of power and switch, this is for bringing great convenience property in different living scenes.Such as, in the occasion needing illumination stronger, control two the first photoelectricity modules and all work; When normally using at ordinary times, only can need one of two first photoelectricity modules and opening work, decreasing electric energy loss, environmental protection and energy saving successful.
Embodiment 2
Refer to Figure 11, Figure 11 is the structural representation in the photoelectricity die set of the utility model second embodiment after two first photoelectricity module combinations.As shown in figure 11, in the photoelectricity die set of the utility model second embodiment, two first photoelectricity modules combinations 300 comprise: the 1st annulus substrate 11a, the 3rd annulus substrate 13a, the 4th annulus substrate 11b, the 6th annulus substrate 13b, LED drive circuit 11, LED drive circuit 13, first linkage unit, the 3rd linkage unit and plurality of LEDs lamp.Through hole 320 is had after combination, breach 310 and two toroidal cavities, wherein, breach 310 by two LED drive circuits separately, such design more contributes to the heat radiation of two LED drive circuits, a toroidal cavity is between the 1st annulus substrate 11a and the 3rd annulus substrate 13a, and another toroidal cavity is between the 4th annulus substrate 11b and the 6th annulus substrate 13b.Further, by the breach that distributes as shown in Figure 11, through hole and toroidal cavity, two first photoelectricity module combinations 300 are applied to the higher LED lamp of luminous power, are directly installed on the base of LED lamp, and such LED lamp has radiating effect well, the advantage of long service life.In addition, also can as embodiment 1, LED lamp arranges power control unit, controls conducting and the closedown of the power supply of two first photoelectricity modules respectively, reaches the beneficial effect of LED lamp energy-conserving and environment-protective.
Certainly, above-described embodiment 1 and embodiment 2 are combined as example to illustrate with two the first photoelectricity modules, under the technology enlightenment of in fact those skilled in the art's technical scheme that can provide according to embodiment 1 and 2, can also be multiple first photoelectricity module combinations, can also be that the first photoelectricity module and the 3rd photoelectricity module combine in addition, or the first photoelectricity module and the second photoelectricity module combine, or the combination of the first photoelectricity module, the second photoelectricity module and the 3rd photoelectricity module, quantity is indefinite, combine like this, control respectively, realize the power adjusting of LED lamp.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a LED photovoltaic die set, it is characterized in that, comprise: form dismountable first photoelectricity module group unit, the second photoelectricity module group unit and the 3rd photoelectricity module group unit based on a rectangular substrate, described first photoelectricity module group unit comprises: several the first photoelectricity modules, several the first photoelectricity modules described comprise: the first substrate be made up of multiple donut substrate, and described in each, the first photoelectricity module comprises two donut substrates; Described second photoelectricity module group unit, comprising: several the second photoelectricity modules, and described second photoelectricity module comprises one in discoidal second substrate; And the 3rd photoelectricity module group unit, comprise at least one the 3rd photoelectricity module, described 3rd photoelectricity module comprises one in discoidal 3rd substrate, described second substrate is located at cylindrical that in described multiple donut substrate, radius is maximum circumferentially, described 3rd substrate is located in the inner circle circumference that in described multiple donut substrate, radius is minimum, the length of the maximum outer diameter of a circle of described radius and described rectangular substrate and/or wide equal, the center of circle of described first substrate, described second substrate and described 3rd substrate is positioned on the diagonal of described rectangular substrate.
2. LED photovoltaic die set as claimed in claim 1, it is characterized in that: be installed on the base of LED lamp after at least two described first photoelectricity module combinations in several the first photoelectricity modules described, described LED lamp comprises power control unit, the open and close of the power supply of at least two the first photoelectricity modules described in controlling respectively.
3. LED photovoltaic die set as claimed in claim 1, it is characterized in that: described second substrate is connected with described first substrate by least one first connector, described 3rd substrate is connected with described first substrate by several second connectors, and described first connector and described second connector are thermal sheet.
4. LED photovoltaic die set as claimed in claim 1, it is characterized in that: described 3rd photoelectricity module also comprises: be located at some the 3rd LED on described 3rd substrate and the 3rd LED drive circuit, described some the 3rd LED are distributed as the LED annular array of two concentrics: the first LED annular array and the second LED annular array, described second LED annular array is positioned at described first LED annular array, and described LED drive circuit is between described first LED annular array and the second LED annular array.
5. LED photovoltaic die set as claimed in claim 1, it is characterized in that: described second photoelectricity module also comprises: be located at some the second LED on described second substrate surface, the second LED drive circuit and several the second fixing holes, described some the second LED and several second fixing holes described form an annular array, in described annular array, be separated with at least one the second LED between adjacent two described second fixing holes, described second LED drive circuit is positioned at described annular array.
6. LED photovoltaic die set as claimed in claim 3, it is characterized in that: the gap in described multiple donut substrate between adjacent two donut substrates is provided with several the 3rd connectors, described 3rd connector connects described adjacent two donut substrates, and described 3rd connector is thermal sheet.
7. LED photovoltaic die set as claimed in claim 6, is characterized in that: the spacing between described adjacent two donut substrates is 1.5mm ~ 2.5mm.
8. LED photovoltaic die set as claimed in claim 1, it is characterized in that: the quantity of definition several the first photoelectricity modules described is N number of, N > 1, and be integer, then described N number of first photoelectricity module comprises 2N the donut substrate varied in size, described in each, annulus substrate surface is distributed with some LED lamp, described 2N donut substrate carries out number consecutively along the direction increased gradually apart from the center of circle of described 2N donut substrate, be followed successively by the 1st, 2nd ... is N number of, N+1 ... 2N annulus substrate, 1st the first photoelectricity module comprises the 1st annulus substrate and N+1 annulus substrate, described 2nd the first photoelectricity module comprises the 2nd annulus substrate and N+2 annulus substrate, N number of first photoelectricity module comprises N number of annulus substrate and 2N annulus substrate, wherein, described 1st annulus substrate is connected by the first linkage unit with described N+1 annulus substrate, described 2nd annulus substrate is connected by the second linkage unit with N+2 annulus substrate, described N number of annulus substrate is connected by N linkage unit with 2N annulus substrate, described first linkage unit, described second linkage unit ... on described N linkage unit, correspondence is provided with the LED drive circuit of described 1st the first photoelectricity module respectively, the LED drive circuit of described 2nd the first photoelectricity module ... the LED drive circuit of described N number of first photoelectricity module.
9. LED photovoltaic die set as claimed in claim 8, it is characterized in that: on each annulus substrate of described 2N donut substrate, be provided with several fixing holes for the described annulus substrate of fixing correspondence, wherein, annulus substrate described in each have at least a pair fixing hole to be symmetric about the center of circle of described 2N donut substrate.
10. the LED photovoltaic die set as described in any one of claim 1 to 9, it is characterized in that: described rectangular substrate is square substrate, the ratio between the radius of described second substrate and the maximum outer radius of a circle of the described radius of described multiple donut substrate is between 0.15 to 0.20.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105627110A (en) * | 2015-08-11 | 2016-06-01 | 古道雄 | LED photovoltaic module assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627110A (en) * | 2015-08-11 | 2016-06-01 | 古道雄 | LED photovoltaic module assembly |
| CN105627110B (en) * | 2015-08-11 | 2018-10-30 | 深圳市长运通半导体技术有限公司 | LED photovoltaic die set |
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Effective date of registration: 20161229 Address after: 518000 Guangdong City, Nanshan District province high tech in the middle of the two road, No. 2 Shenzhen International Software Park, room 201-205, room, 4 (only office) (222-226) Patentee after: Shenzhen CYT Optoelectronic Technology Co.,Ltd. Address before: 518000 Guangdong, Shenzhen, Nanshan District science and technology in the road, Shenzhen, 4 Software Park, building 2, building two Patentee before: Gu Daoxiong |
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Address after: 518000 Guangdong City, Nanshan District province high tech in the middle of the two road, No. 2 Shenzhen International Software Park, room 201-205, room, 4 (only office) (222-226) Patentee after: Shenzhen mayor express Semiconductor Technology Co., Ltd. Address before: 518000 Guangdong City, Nanshan District province high tech in the middle of the two road, No. 2 Shenzhen International Software Park, room 201-205, room, 4 (only office) (222-226) Patentee before: Shenzhen CYT Optoelectronic Technology Co.,Ltd. |