CN103346681A - LED lighting device and anti-explosion power supply thereof - Google Patents
LED lighting device and anti-explosion power supply thereof Download PDFInfo
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- CN103346681A CN103346681A CN201310233004XA CN201310233004A CN103346681A CN 103346681 A CN103346681 A CN 103346681A CN 201310233004X A CN201310233004X A CN 201310233004XA CN 201310233004 A CN201310233004 A CN 201310233004A CN 103346681 A CN103346681 A CN 103346681A
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- 238000004880 explosion Methods 0.000 title abstract description 7
- 238000002955 isolation Methods 0.000 claims abstract description 16
- 230000005670 electromagnetic radiation Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 6
- 230000001629 suppression Effects 0.000 abstract description 3
- 239000011324 bead Substances 0.000 abstract 3
- 238000013021 overheating Methods 0.000 abstract 1
- 239000011049 pearl Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 6
- 239000003245 coal Substances 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to an LED lighting device which comprises an anti-explosion power supply. The anti-explosion power supply comprises a short-circuit protection circuit, an electromagnetic compatibility and electromagnetic radiation suppression circuit, a high-voltage rectification filter circuit, a high-low voltage isolation module, a constant-current module, a filter circuit and a constant-voltage circuit, wherein the lightning strike protection voltage of the short-circuit protection circuit reaches 4 kilovolts, and the short-circuit protection circuit, the electromagnetic compatibility and electromagnetic radiation suppression circuit, the high-voltage rectification filter circuit, the high-low voltage isolation module, the constant-current module, the filter circuit and the constant-voltage circuit are connected in sequence. An input end of the short-circuit protection circuit is connected with mains supply alternating current. The constant-voltage circuit is provided with a plurality of output ends, and each output end outputs 16.5-volt constant voltage and outputs 320-milliampere constant current. Due to the fact that the LED lighting device is provided with the anti-explosion power supply, the LED lighting device ensures that LED lamp beads work in an environment with stable and safe voltage and stable and safe current, avoids overheating of the LED lamp beads, and further avoids burst of the LED lamp beads, and can be applied to various flammable and combustible industries.
Description
Technical field
The present invention relates to power module, special, relate to a kind of LED lighting device and explosion-proof electrical source thereof.
Background technology
The LED lighting device is widely used in each lighting field.But present LED lighting device ubiquity heat dispersion is relatively poor, the easy problem of crossing thermal spalling.In some inflammable and explosive industries, for example 0 district, 1 district, 2 district's explosion hazard areas of colliery (down-hole central substation, working section sub station, hoist house, pump house, main main haulage roadway, fully-mechanized mining working, belt head and put coal point require etc.), oil, petrochemical industry (zone: indoor equipment zones such as petrochemical equipment zone, pump house, maintenance repair and the illumination of emergent class etc. are arranged), gas station etc., any trickle spark all may cause burning or exploding.
Summary of the invention
The object of the present invention is to provide a kind of safe LED lighting device and explosion-proof electrical source thereof.
A kind of LED lighting device, it comprises explosion-proof electrical source, and described explosion-proof electrical source comprises that the lightning strike protection voltage that connects successively reaches 4 kilovolts short-circuit protection circuit, electromagnetic compatibility and electromagnetic radiation and suppresses circuit, high-voltage rectifying filter circuit, high-low pressure isolation module, constant flow module, filter circuit and constant voltage circuit; Wherein the input of short-circuit protection circuit links to each other with the civil power alternating current, and constant voltage circuit has a plurality of outputs, 16.5 volts of each output output constant voltages, output constant current 320 milliamperes.
Preferably, each output connects one group of led light source module, and every group of led light source module comprises that at least 20 power are 20 watts LED lamp pearl, and wherein LED lamp pearl is connected described output after forming four groups of parallel branches.
Preferably, the power line of described civil power alternating current links to each other with short-circuit protection circuit by explosion-proof pipeline; The wall thickness of described explosion-proof pipeline is at least 2.8 millimeters.
Preferably, described output adopts 8 core electric wires, is one the tunnel to be respectively the power supply of four groups of parallel branches with per two heart yearns.
Preferably, described short-circuit protection circuit, electromagnetic compatibility and electromagnetic radiation suppress circuit, high-voltage rectifying filter circuit, high-low pressure isolation module, constant flow module, filter circuit and constant voltage circuit and are fixed on the circuit board, and described circuit board is handled through sealing.
The present invention also provides a kind of explosion-proof electrical source, and it comprises that the lightning strike protection voltage that connects successively reaches 4 kilovolts short-circuit protection circuit, electromagnetic compatibility and electromagnetic radiation and suppresses circuit, high-voltage rectifying filter circuit, high-low pressure isolation module, constant flow module, filter circuit and constant voltage circuit; Wherein the input of short-circuit protection circuit links to each other with the civil power alternating current, and constant voltage circuit has a plurality of outputs, and each output is output as 16.5 volts of constant voltages, output constant current 320 milliamperes.
Preferably, the power line of described civil power alternating current links to each other with short-circuit protection circuit by explosion-proof pipeline; The wall thickness of described explosion-proof pipeline is at least 2.8 millimeters.
Preferably, described output adopts 8 core electric wires, is one the tunnel to be load power supply with per two heart yearns.
Preferably, described short-circuit protection circuit, electromagnetic compatibility and electromagnetic radiation suppress circuit, high-voltage rectifying filter circuit, high-low pressure isolation module, constant flow module, filter circuit and constant voltage circuit and are fixed on the circuit board, and described circuit board is handled through sealing.
LED lighting device of the present invention has disposed explosion-proof electrical source, guarantees that LED lamp pearl is operated under stable, safe voltage and the electric current, has avoided the overheated of LED lamp pearl, and then has avoided the explosion of LED lamp pearl.This LED lighting device can be applicable to various inflammable and explosive industries.
Description of drawings
Fig. 1 is the circuit structure schematic diagram of LED lighting device of the present invention.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing semiconductor lighting module of the present invention is described in further detail.
See also Fig. 1, the LED lighting device mainly comprises explosion-proof electrical source and many groups of (in the present embodiment being four groups) led light source modules that link to each other with explosion-proof electrical source.Wherein explosion-proof electrical source comprises that the short-circuit protection circuit, electromagnetic compatibility and the electromagnetic radiation that connect successively suppress circuit, high-voltage rectifying filter circuit, high-low pressure isolation module, constant flow module, filter circuit and constant voltage circuit.For realizing water proof and dust proof; short-circuit protection circuit, electromagnetic compatibility and electromagnetic radiation suppress circuit, high-voltage rectifying filter circuit, high-low pressure isolation module, constant flow module, filter circuit and constant voltage circuit and are fixed on the circuit board; circuit board and the electronic component on it are handled through sealing; and insert in the aluminium extruded shell of water proof and dust proof; and power panel is guaranteed safety by ground wire and circuit function ground connection.In the present embodiment, the electronic component of whole power panel is realized the sealing processing by irritating epoxy resin E44.
Wherein the input of short-circuit protection circuit links to each other with the civil power alternating current, and its lightning strike protection voltage reaches 4 kilovolts.Preferably, the power line of civil power alternating current links to each other with short-circuit protection circuit by explosion-proof pipeline, and the wall thickness of explosion-proof pipeline is at least 2.8 millimeters, and preferably adopting specification is the pipeline of DN20.The high-voltage rectifying filter circuit boosts to the circuit of power factor correction (PFC) of 220V alternating current in the high-voltage rectifying filter circuit more than the 380V, with power factor and the efficient that improves whole power supply.
Constant voltage circuit has a plurality of (in the present embodiment being four) output, 16.5 volts of each output output constant voltages, output constant current 320 milliamperes.
Each output connects one group of led light source module, and every group of led light source module comprises that at least 20 power are 20 watts LED lamp pearl.These at least 20 LED lamp pearls are formed the output that is connected constant voltage circuit after four groups of parallel branches.Preferably, output adopts 48 core electric wires, is one the tunnel to be respectively four groups of parallel branches power supplies with per two heart yearns.Understandable, according to demand, constant voltage circuit can have more than four or the output below four, and each output can be one group of led light source module for power supply.
LED lighting device of the present invention can prevent LED lamp pearl stroboscopic by ac high-voltage being converted into the output of dc constant voltage, constant current; Can be applicable to the explosion hazard area in 0 districts such as colliery (down-hole central substation, working section sub station, hoist house, pump house, main main haulage roadway, fully-mechanized mining working, belt head and put coal point require etc.), oil, petrochemical industry (zone: have indoor equipment zones such as petrochemical equipment zone, pump house, maintenance repair and emergent class to throw light on etc.), gas station, 1 district, 2 districts.
High-low pressure isolation module of the present invention is the transformer of homemade 2+4PIN, and the copper cash insulation is three layers and above protection, and input and the high pressure resistant 2.5kV of output, is the primary voltage pressure limiting.The high-low pressure isolation module makes the high pressure (more than the 380V) of input and the isolation of low pressure (24V is following) safety.(elementary current limliting is design secondary current limiting element: the constant current integrated circuit (IC) in current-limiting resistance, the constant flow module on the circuit, secondary current limliting is: optocoupler, current-limiting resistance, positive-negative-positive triode), designing secondary pressure limiting element again is Transient Suppression Diode pressure limiting (maximum limit 18V).And being provided with 16 modularization controls and output, every module contains high-low pressure isolation module, constant flow module (two level current limiting), filter circuit and constant voltage circuit (secondary pressure limiting).The electronic component of whole power panel is irritated in epoxy resin E44 and the aluminium extruded shell.
The spark energy of explosion-proof electrical source of the present invention is controlled to be and is not enough to ignite coal mine gas gas, propane gas, ethylene gas, hydrogen gas.And meet 5.3,5.5,5.6 of national explosion-proof criteria " GB 3836.4-2010 is by the equipment of essential safe type " i " protection " lining, the 6th chapter, the 7.1st, the 7.2nd, the 7.3rd, the 7.5th, the 8th chapter, the 9th chapter, by the experimental check of the 10th chapter.And meet the A.1 bar of the appendix A of national explosion-proof criteria " GB 3836.4-2010 is by the equipment of essential safe type " i " protection " lining, A.2 bar, A.3 bar b bar content and scheme II class condenser network A.3, Table A .1 voltage corresponding with facility level allow short circuit current.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (9)
1. LED lighting device, it is characterized in that, it comprises explosion-proof electrical source, and described explosion-proof electrical source comprises that the lightning strike protection voltage that connects successively reaches 4 kilovolts short-circuit protection circuit, electromagnetic compatibility and electromagnetic radiation and suppresses circuit, high-voltage rectifying filter circuit, high-low pressure isolation module, constant flow module, filter circuit and constant voltage circuit; Wherein the input of short-circuit protection circuit links to each other with the civil power alternating current, and constant voltage circuit has a plurality of outputs, 16.5 volts of each output output constant voltages, output constant current 320 milliamperes.
2. LED lighting device according to claim 1, it is characterized in that, each output connects one group of led light source module, and every group of led light source module comprises that at least 20 power are 20 watts LED lamp pearl, and wherein LED lamp pearl is connected described output after forming four groups of parallel branches.
3. LED lighting device according to claim 1 is characterized in that, the power line of described civil power alternating current links to each other with short-circuit protection circuit by explosion-proof pipeline; The wall thickness of described explosion-proof pipeline is at least 2.8 millimeters.
4. LED lighting device according to claim 2 is characterized in that, described output adopts 8 core electric wires, is one the tunnel to be respectively the power supply of four groups of parallel branches with per two heart yearns.
5. LED lighting device according to claim 1; it is characterized in that; described short-circuit protection circuit, electromagnetic compatibility and electromagnetic radiation suppress circuit, high-voltage rectifying filter circuit, high-low pressure isolation module, constant flow module, filter circuit and constant voltage circuit and are fixed on the circuit board, and described circuit board is handled through sealing.
6. explosion-proof electrical source, it is characterized in that, comprise that the lightning strike protection voltage that connects successively reaches 4 kilovolts short-circuit protection circuit, electromagnetic compatibility and electromagnetic radiation and suppresses circuit, high-voltage rectifying filter circuit, high-low pressure isolation module, constant flow module, filter circuit and constant voltage circuit; Wherein the input of short-circuit protection circuit links to each other with the civil power alternating current, and constant voltage circuit has a plurality of outputs, and each output is output as 16.5 volts of constant voltages, output constant current 320 milliamperes.
7. explosion-proof electrical source according to claim 6 is characterized in that, the power line of described civil power alternating current links to each other with short-circuit protection circuit by explosion-proof pipeline; The wall thickness of described explosion-proof pipeline is at least 2.8 millimeters.
8. explosion-proof electrical source according to claim 6 is characterized in that, described output adopts 8 core electric wires, is one the tunnel to be load power supply with per two heart yearns.
9. explosion-proof electrical source according to claim 6; it is characterized in that; described short-circuit protection circuit, electromagnetic compatibility and electromagnetic radiation suppress circuit, high-voltage rectifying filter circuit, high-low pressure isolation module, constant flow module, filter circuit and constant voltage circuit and are fixed on the circuit board, and described circuit board is handled through sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310233004.XA CN103346681B (en) | 2013-06-13 | 2013-06-13 | LED light device and explosion-proof electrical source thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310233004.XA CN103346681B (en) | 2013-06-13 | 2013-06-13 | LED light device and explosion-proof electrical source thereof |
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| Publication Number | Publication Date |
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| CN103346681A true CN103346681A (en) | 2013-10-09 |
| CN103346681B CN103346681B (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310233004.XA Active CN103346681B (en) | 2013-06-13 | 2013-06-13 | LED light device and explosion-proof electrical source thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120050816A (en) * | 2025-04-25 | 2025-05-27 | 杭州径上科技有限公司 | High-stability irradiation-resistant LED lamp constant current source driving circuit |
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| CN120050816A (en) * | 2025-04-25 | 2025-05-27 | 杭州径上科技有限公司 | High-stability irradiation-resistant LED lamp constant current source driving circuit |
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| Publication number | Publication date |
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| CN103346681B (en) | 2016-08-03 |
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Address after: Chongqing Nan'an District South Road No. 76 (Chongqing international financial center) 22 floor Applicant after: NVC (China) Co., Ltd. Applicant after: Huizhou Leishi Optoelectronic Technology Co., Ltd. Address before: Chongqing Nan'an District South Road No. 76 (Chongqing international financial center) 22 floor Applicant before: Chongqing NVC Industries Co., Ltd. Applicant before: Huizhou Leishi Optoelectronic Technology Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: CHONGQING NVC INDUSTRIES CO., LTD. TO: NVC (CHINA) CO., LTD. |
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Effective date of registration: 20170124 Address after: 516000 Guangdong city of Huizhou province Ru Town East Village Bridge (NVC Industrial Park) Patentee after: Huizhou Leishi Optoelectronic Technology Co., Ltd. Address before: Chongqing Nan'an District South Road No. 76 (Chongqing international financial center) 22 floor Patentee before: NVC (China) Co., Ltd. Patentee before: Huizhou Leishi Optoelectronic Technology Co., Ltd. |