CN205155701U - LED (Light emitting diode) mining lamp - Google Patents
LED (Light emitting diode) mining lamp Download PDFInfo
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- CN205155701U CN205155701U CN201520835105.9U CN201520835105U CN205155701U CN 205155701 U CN205155701 U CN 205155701U CN 201520835105 U CN201520835105 U CN 201520835105U CN 205155701 U CN205155701 U CN 205155701U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model provides a LED (Light emitting diode) mining lamp, is together integrated with LED lamp pearl and power, including the lamp plate, fix the multiunit LED lamp pearl array on the lamp plate and set up the power supply circuit who links to each other with multiunit LED lamp pearl array on the lamp plate, LED lamp pearl that power supply circuit lighted different quantity a stage at one 14 wave band voltage signal interior division n, the while each group LED lamp pearl array contains a n luminescence unit that corresponds with stage quantity, and each luminescence unit includes two at least parallelly connected luminous branch roads, and each luminous LED lamp pearl quantity on the road is unanimous with the voltage signal driven LED lamp pearl quantity of that corresponds the stage, and in the different LED lamp pearl arrays, correspond and connect with parallelly connected mode between the luminescence unit luminous in the same stage, the utility model discloses a convenientization of production and equipment simultaneously in reduce cost, has improved the life of whole lamp, even and a certain lamp pearl damage, do not influence the luminous effect of whole lamp yet.
Description
Technical field
The utility model relates to lighting field, particularly relates to a kind of LED operating mode lamp.
Background technology
In current illumination market, bulkhead lamp capable is very general in the application of industrial lighting field, and its power is comparatively large, mostly between 100 ~ 200W.LED operating mode lamp can not only economize energy, and LED operating mode lamp belongs to cold light source, and caloric value is lower.Existing constant current drives and is divided into two kinds of patterns, and one is constant voltage Switching Power Supply+inner constant current, and the constant voltage Switching Power Supply of which generally adopts traditional industrial Switching Power Supply, and then increases some constant current devices and circuit as constant current; Another kind is the Switching Power Supply of current constant mode, and which directly have employed constant current principle in Switching Power Supply inside.
Some LED operating mode lamp existing, its driving power is external, lamp plate separates with driving power, in manufacturing process and structure, because lamp pearl have employed high-power LED (COB), therefore can not directly be welded on PCB, and need manually by keyset, each LED (COB) lamp to be welded together, production efficiency is lower, assembly cost is high, complex process, and when powering, need to transfer alternating current to powered by direct current, higher for exchanging the supply unit cost turning direct current.As Chinese patent literature CN103511926, disclose a kind of LED spotlight, comprise lamp socket, LED lamp panel, arrange power supply in lamp socket inside, power supply and lamp plate are what to separate, complex process, and need interchange to turn direct current supply, and cost is high.Separately there is some LED; driving power is integrated with lamp plate, do not need in addition power supply to be installed, be convenient to assembling and automated production thus; but; this kind of LED, all LED lamp bead on it are all simultaneously luminous, thus; poor heat radiation, the longevity of service of LED, affect the life-span; and lamp pearl have employed high-power LED (COB) mode, if there is a LEDs to damage, whole lantern festival just can enter protection and lack bright state.As Chinese patent literature CN104100858, disclose a kind of LED annular light source, light source and power supply are located in annular base plate, and the centre of annular base plate arranges cable hole, realize the integrated of power supply and light source.But the light source on it is simultaneously luminous, easily causes the weak heat-dissipating of LED, affects its life-span.In addition, LED of the prior art, if there is a LED lamp pearl to damage, so whole LED then can enter protection and lack bright state, and other lamp pearls also can be affected, and thus affect illuminating effect.
Therefore, industry is needed one badly and had both been realized LED segmentation and light, and realizes again single LED lamp pearl and damages and still do not affect the whole light source of lamp illumination effect, the bulkhead lamp capable of power supply integration.
Utility model content
In view of this, the utility model proposes a kind of LED bay light, it is by light source and power supply integration, simultaneously, in a 1/4 wave band voltage signal, divide n stage to light the LED lamp bead of varying number, and LED lamp bead adopt special arrangement mode, thus, when damaging or lacking bright appears in any lamp pearl, other lamp pearls normally work, and have no effect, and LED lamp bead segmentation is lighted, improve heat-sinking capability, extend the service life of LED lamp bead.
According to a kind of LED bay light that the purpose of this utility model proposes, comprise lamp plate, be fixed on the many groups LED lamp bead array on lamp plate and be arranged on lamp plate with the described power circuit organized LED lamp bead array and be connected more, each is organized described LED lamp bead array and comprises several LED lamp bead, described power circuit is segmented LED drive circuit, this power circuit divides n stage to light the LED lamp bead of varying number in a 1/4 wave band voltage signal, it is characterized in that: each is organized described LED lamp bead array and comprises the n corresponding with a stage quantity luminescence unit, each luminescence unit comprises at least two luminous branch roads in parallel, LED lamp bead quantity on each luminous branch road is consistent with the LED lamp bead quantity that the voltage signal in corresponding stage can drive, in different LED lamp bead arrays, connect in parallel between corresponding luminescence unit luminous in same stage.
Preferably, described power circuit comprises rectification module and driver module, and described rectification module, by commercial power rectification filtering, exports steamed bun ripple, described driver module is connected with rectification module, and described driver module divides n stage to light the LED lamp bead of varying number in a 1/4 wave band voltage signal.
Preferably, described driver module comprises IC, some MOSFET, some resistance, IC samples input sinusoidal signal by 2 pin, go respectively to control opening and turning off of some MOSFET by each pin after internal calculation, to make LED luminous, described some resistance is current sampling, to control whole lamp current.
Preferably, described power circuit point four-stage in a 1/4 wave band voltage signal lights the LED lamp bead of varying number, each is organized described LED lamp bead array and comprises 12 LED lamp bead, these 12 LED lamp bead are divided into 4 luminescence units, first luminescence unit corresponding with first stage voltage signal comprises four LED lamp bead, described four LED lamp bead divide two luminous branch roads in parallel, connect between two LED lamp bead in each luminous branch road, second luminescence unit corresponding with second stage voltage signal comprises four LED lamp bead, described four LED lamp bead divide two luminous branch roads in parallel, connect between two LED lamp bead in each luminous branch road, three luminescence unit corresponding with phase III voltage signal comprises two LED lamp bead, described two LED lamp bead parallel connections, four luminescence unit corresponding with fourth stage voltage signal comprises two LED lamp bead, described two LED lamp bead parallel connections.
Preferably, when reaching described first stage voltage signal, four LED lamp bead in described first luminescence unit are lighted, when reaching described second stage voltage signal, four LED lamp bead in described second luminescence unit are lighted, and when reaching described phase III voltage signal, two LED lamp bead in described 3rd luminescence unit are lighted, when reaching described fourth stage voltage signal, two LED lamp bead in described 4th luminescence unit are lighted.
Preferably, described LED lamp bead circular array is on described lamp plate.
Preferably, described lamp plate is aluminium base or PCB substrate.
Compared with prior art, the utility model has following technical advantage:
Directly can replace former COB scheme lamp pearl, and damaging or lacking bright appears in lamp pearl arbitrarily, other lamp pearls normally work, and have no effect.
Directly can exchange with 220V and LED be lighted, without the need to separately filling direct current conversion and drive unit, cost is low.
LED lamp bead and power drives are integrated in same, utilize aluminium base as connection carrier, technique simplifies, and is convenient to produce and assembling.
Eliminate Switching Power Supply, without switching component and transformer, EMC is effective, noiseless, high to human safety, and it is little to generate heat, and efficiency is high.
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 structure chart of the utility model LED lamp panel
Fig. 2 is the utility model circuit theory diagrams
Fig. 2 a is the enlarged drawing of light emitting module and part driver module in Fig. 2
Fig. 3 is the schematic diagram of the voltage that the utility model segmentation is opened
The Reference numeral related in accompanying drawing and part illustrate: 1. lamp plate; 2.LED lamp pearl array.
Detailed description of the invention
As described in the background art, in prior art, LED lamp bead is lighted simultaneously, and adopts COB scheme, if there is a LED lamp pearl to damage, so whole LED then can enter protection and lack bright state, and other lamp pearls also can be affected, and affect illuminating effect.
Below, will be described in detail concrete technical scheme of the present utility model.
Referring to Fig. 1, is the structure chart of the utility model LED lamp panel, LED comprises lamp body (not shown), lamp plate 1, be fixed on the many groups LED lamp bead array 2 on lamp plate and be arranged on lamp plate 1 with the power circuit organized LED lamp bead array 2 more and be connected.Lamp plate 1 is arranged in lamp body, and it is fixedly connected with some LED lamp bead 2, driving power is arranged on lamp plate, and one end of driving power is electrically connected with LED lamp bead 2, and the other end is connected with external power source by wire.LED lamp bead 2 is several, and circular array is on lamp plate 1, and lamp plate 1 can be made by aluminium material, can be also directly pcb board.
Refer to Fig. 2 and Fig. 2 a, circuit theory diagrams of the present utility model, power circuit comprises rectification module, driver module and light emitting module, rectification module is connected with driver module, and driver module is connected with light emitting module, and rectification module can by AC alternating current by rectifier bridge BD1 rectification, two inputs of BD1 are connected with civil power, civil power, after rectifying and wave-filtering, exports steamed bun ripple, as shown in Figure 3.Have fuse F1 in addition, play safety effect, when circuit occurs abnormal, fuse then fuses, thus protection circuit.Driver module, makes alternating current input voltage divide multistage LED lamp bead to be lighted respectively, comparatively conventional linear scheme, improves the luminous efficiency of lamp pearl, and extend the service life of lamp pearl.U1 represents IC, adopts ACDrv2.1, U1 to sample input sinusoidal signal by 2 pin, then PIN14 is passed through after carrying out internal calculation, PIN13, PIN12, PIN11 go opening of control Q1, Q2, Q3, Q4 respectively and turn off to make LED luminous, wherein Q1, Q2, Q3, Q4 all represent MOSFET (2A/600V), resistance R1, R2, R3, R4 is current sampling, can control whole lamp current by this.Light emitting module comprises many group LED lamp bead arrays.Power circuit can divide n stage to light the LED lamp bead of varying number in a 1/4 wave band voltage signal, each group LED lamp bead array comprises the n corresponding with a stage quantity luminescence unit, each luminescence unit comprises at least two luminous branch roads in parallel, LED lamp bead quantity on each luminous branch road is consistent with the LED lamp bead quantity that the voltage signal in corresponding stage can drive, in different LED lamp bead arrays, connect in parallel between corresponding luminescence unit luminous in same stage.
Embodiment one:
The LED lamp bead of varying number is lighted with power circuit point four-stage in a 1/4 wave band voltage signal, each is organized described LED lamp bead array and comprises 12 LED lamp bead, and have 4 groups of LED lamp bead arrays to be example, 12 LED lamp bead are divided into 4 luminescence units, as Fig. 2, shown in 3, LED lamp bead label in combination 1 is respectively D11, D12, D21, D22, D31, D32, D41, D42, D51, D52, D61, D62, LED lamp bead label in combination 2 is respectively D13, D14, D23, D24, D33, D34, D43, D44, D53, D54, D63, D64, LED lamp bead label in combination 3 is respectively D15, D16, D25, D26, D35, D36, D45, D46, D55, D56, D65, D66, LED lamp bead label in combination 4 is respectively D17, D18, D27, D28, D37, D38, D47, D48, D57, D58, D67, D68.Input voltage steamed bun ripple is divided into four voltage signals, control the number that LED lamp bead is lighted respectively, the first luminescence unit in the combination 1 corresponding with first stage voltage signal comprises four LED lamp bead D11, D12, D21, D22, the second luminescence unit in the combination 1 corresponding with second stage voltage signal comprises four LED lamp bead D31, D32, D41, D42, the 3rd luminescence unit in the combination 1 corresponding with phase III voltage signal comprises two LED lamp bead D51, D52, the 4th luminescence unit in the combination 1 corresponding with fourth stage voltage signal comprises two LED lamp bead D61, D62, other three combinations also all by that analogy.When input voltage reaches first stage voltage signal D11 and D18 voltage sum, open MOSFETQ1 by first luminescence unit D11, D12 in each combination ... D18, and D21, D22 ... D28 lights; When input voltage continues to rise, when reaching second stage voltage signal D11, D18, D31, D41 voltage sum, disconnect MOSFETQ1, open MOSFETQ2, second luminescence unit D31, D32 during each is combined ... D38, and D41, D42 ... D48 lights luminescence; When input voltage rises to phase III voltage signal D11, D18, D31, D41, during D51 voltage sum, MOSFETQ3 is open-minded, Q1, Q2 are in closed condition, first, second and third luminescence unit D11, D12 now in each combination ... D18, D21, D22 ... D28, D31, D32 ... D38, D41, D42 ... D48, D51, D52 ... D58 is lit; When input voltage rises to fourth stage voltage signal D11, D18, D31, during D41, D51, D61 voltage sum, MOSFETQ4 is open-minded, Q1, Q2, Q3 is in closed condition, four luminescence units D11, D12 now in each combination ... D18, D21, D22 ... D28, D31, D32 ... D38, D41, D42 ... D48, D51, D52 ... D58, D61, D62 ... D68 all lights.
In like manner, when voltage declines gradually, LED lamp bead 2 is extinguished successively gradually, and when input voltage drops to phase III voltage signal sum, MOSFETQ4 closes, now D11, D12 ... D18, D21, D22 ... D28, D31, D32 ... D38, D41, D42 ... D48, D51, D52 ... D58 is lit, and D61, D62 ... D68 extinguishes; When input voltage continues to decline, when dropping to second stage voltage signal sum, close MOSFETQ3, D31, D32 ... D38, and D41, D42 ... D48 lights luminescence, D51, D52 ... D58 is extinguished; When input voltage continues to decline, when dropping to first stage voltage signal voltage sum, close MOSFETQ2, D31, D32 ... D38, and D41, D42 ... D48 extinguishes.
Inner at light emitting module, also rational arrangement is carried out to LED, produced inefficacy, to the effect that whole lamp has no effect to reach any LED lamp pearl.Four LED lamp bead in first luminescence unit divide two luminous branch roads in parallel, connect between two LED lamp bead in each luminous branch road, four LED lamp bead in second luminescence unit divide two luminous branch roads in parallel, connect between two LED lamp bead in each luminous branch road, two LED lamp bead parallel connections in 3rd luminescence unit, two LED lamp bead parallel connections in the 4th luminescence unit.Particularly, such as, in first group of LED lamp bead array, D11 and D21 connects, D12 and D22 connects, meanwhile, parallel with one another between D11, D21 and D12, D22, D31 and D41 connects, D32 and D42 connects, meanwhile, parallel with one another between D31, D41 and D32, D42, other combinations 2, combination 3, combination 4 are all analogized.Thus, if LED lamp bead D11 breaks down, no matter its fault is open circuit or short circuit, all little on the impact of whole circuit, if its open circuit, electric current can by be connected in parallel with it D12 and D22 and LED combination 2, combine 3, combine the LED lamp bead of 4 co-located and share, if this LED lamp pearl short circuit, D11 is then equivalent to a wire, and electric current flows through D21, thus on whole circuit without impact.
Wherein, 12 LED lamp 1 come together by combination, and the power of this LED combination 1 is 12W, is made up of (every LEDs can reach 2W, for staying 50% surplus, thus uses 1W) the LED of 12 1W, and combination 2, combination 3, combination 4 are also all similar.If whole bulkhead lamp capable is 100W, such LED combination is so needed to be 8 groups, power to whole bulkhead lamp capable is 150W, such LED combination is then needed to be 12 groups, power to whole bulkhead lamp capable is 200W, then need such LED combination to be 16 groups, the combination in the utility model can substitute traditional C OB (12 ~ 15W) scheme completely.
As other embodiment, being not only and four sections can be divided LED lamp bead to be lighted respectively, can be a point n section, and LED lamp bead array is also not only only has four groups, but has many groups, and each combines the LED lamp bead comprised and is also not only 12, and can be some.Such as LED lamp bead has n combination, each combines the LED lamp bead comprised is m, lamp pearl label is respectively D1 (2n-1), D1 (2n), D2 (2n-1), D2 (2n), D3 (2n-1), D3 (2n) ... D (m/2-1) (2n-1), D (m/2-1) (2n), D (m/2) (2n-1), D (m/2) (2n), wherein, n >=2.Input voltage steamed bun ripple is divided into n magnitude of voltage, controls the number that LED lamp bead is lighted respectively.And each luminescence unit comprises at least two luminous branch roads in parallel, LED lamp bead quantity on each luminous branch road is consistent with the LED lamp bead quantity that the voltage signal in corresponding stage can drive, in different LED lamp bead arrays, connect in parallel between corresponding luminescence unit luminous in same stage.
The utility model has used a kind of novel I C actuation techniques in traditional LED bay light, LED lamp bead and power supply are integrated, extremely be convenient to produce and assembling, utilize input AC sine wave that LED lamp bead be have employed segmentation luminescence simultaneously, make while reducing costs, improve the service life of whole lamp.In addition, the arrangement of LED lamp bead adopts two luminous branch roads in parallel, LED lamp bead quantity on each luminous branch road is consistent with the LED lamp bead quantity that the voltage signal in corresponding stage can drive, in different LED lamp bead arrays, the mode connected with parallel way between corresponding luminescence unit luminous in same stage, even if make a certain lamp pearl damage, do not affect the illumination effect of whole lamp yet.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (6)
1. a LED bay light, comprise lamp plate, be fixed on the many groups LED lamp bead array on lamp plate and be arranged on lamp plate with the described power circuit organized LED lamp bead array and be connected more, each is organized described LED lamp bead array and comprises several LED lamp bead, described power circuit is segmented LED drive circuit, this power circuit divides n stage to light the LED lamp bead of varying number in a 1/4 wave band voltage signal, it is characterized in that: each is organized described LED lamp bead array and comprises the n corresponding with a stage quantity luminescence unit, each luminescence unit comprises at least two luminous branch roads in parallel, LED lamp bead quantity on each luminous branch road is consistent with the LED lamp bead quantity that the voltage signal in corresponding stage can drive, in different LED lamp bead arrays, connect in parallel between corresponding luminescence unit luminous in same stage.
2. a kind of LED bay light as claimed in claim 1, is characterized in that: described power circuit comprises lights the driver module of the LED lamp bead of varying number by the rectification module of commercial power rectification filtering, output steamed bun ripple with dividing n stage in a 1/4 wave band voltage signal.
3. a kind of LED bay light as claimed in claim 2, is characterized in that: described driver module comprises IC, some MOSFET, some resistance.
4. a kind of LED bay light as claimed in claim 1, it is characterized in that: described power circuit point four-stage in a 1/4 wave band voltage signal lights the LED lamp bead of varying number, each is organized described LED lamp bead array and comprises 12 LED lamp bead, these 12 LED lamp bead are divided into 4 luminescence units, first luminescence unit corresponding with first stage voltage signal comprises four LED lamp bead, described four LED lamp bead divide two luminous branch roads in parallel, connect between two LED lamp bead in each luminous branch road, second luminescence unit corresponding with second stage voltage signal comprises four LED lamp bead, described four LED lamp bead divide two luminous branch roads in parallel, connect between two LED lamp bead in each luminous branch road, three luminescence unit corresponding with phase III voltage signal comprises two LED lamp bead, described two LED lamp bead parallel connections, four luminescence unit corresponding with fourth stage voltage signal comprises two LED lamp bead, described two LED lamp bead parallel connections.
5. a kind of LED bay light as claimed in claim 4, it is characterized in that: when reaching described first stage voltage signal, four LED lamp bead in described first luminescence unit are lighted, when reaching described second stage voltage signal, four LED lamp bead in described second luminescence unit are lighted, when reaching described phase III voltage signal, two LED lamp bead in described 3rd luminescence unit are lighted, when reaching described fourth stage voltage signal, two LED lamp bead in described 4th luminescence unit are lighted.
6. a kind of LED bay light as claimed in claim 1, is characterized in that: described LED lamp bead circular array is on described lamp plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520835105.9U CN205155701U (en) | 2015-10-26 | 2015-10-26 | LED (Light emitting diode) mining lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520835105.9U CN205155701U (en) | 2015-10-26 | 2015-10-26 | LED (Light emitting diode) mining lamp |
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| CN205155701U true CN205155701U (en) | 2016-04-13 |
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| CN201520835105.9U Active CN205155701U (en) | 2015-10-26 | 2015-10-26 | LED (Light emitting diode) mining lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387380A (en) * | 2015-10-26 | 2016-03-09 | 苏州东山精密制造股份有限公司 | LED mining lamp |
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2015
- 2015-10-26 CN CN201520835105.9U patent/CN205155701U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387380A (en) * | 2015-10-26 | 2016-03-09 | 苏州东山精密制造股份有限公司 | LED mining lamp |
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Effective date of registration: 20171107 Address after: 215100 3 Building 8, Stone Hill Road, Dongshan Town, Dongshan Town, Suzhou, Wuzhong District, Jiangsu Patentee after: Suzhou East Photoelectric Technology Co., Ltd. Address before: 215106 No. 8 Stone Mountain Road, Dongshan Industrial Park, Suzhou, Jiangsu, Wuzhong District Patentee before: Suzhou Dongshan Precision Manufacturing Co., Ltd. |