CN1725435A - Non-polar lamp for road lighting - Google Patents

Non-polar lamp for road lighting Download PDF

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Publication number
CN1725435A
CN1725435A CN 200510012681 CN200510012681A CN1725435A CN 1725435 A CN1725435 A CN 1725435A CN 200510012681 CN200510012681 CN 200510012681 CN 200510012681 A CN200510012681 A CN 200510012681A CN 1725435 A CN1725435 A CN 1725435A
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nanometers
fluorescent material
sends
powder
road lighting
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CN 200510012681
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CN1725435B (en
Inventor
朱建州
李春富
王晓伟
李征美
孙秀方
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Beijing Huaqing Zhuoke Energy-saving Science & Technology Co., Ltd.
Shijiazhuang Baoshi Elctronics Group Co., Ltd.
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Shanxi Zhuoke Energy-Saving Lighting Science & Technology Co Ltd
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Abstract

This invention discloses a road lighting non-polarized lamp used in solving the problem of road lamp illumination with sensed visual spectrum of high voltage Na lamp not in conformity with man-eye including a high frequency generator, a coupler and a discharge bulb, among which, the coupler is set in the concave internal tube of the discharge bulb coated with phosphor powder of multiple primary colors on the internal surface, the energy distribution concentrates on 515+10nm, 527+10nm and 545+10nm.

Description

Non-polar lamp for road lighting
Technical field
The present invention relates to a kind of electrodeless lamp, relate in particular to a kind of non-polar lamp for road lighting.
Background technology
Road is an important place of human life at night, and modern road lighting should adapt to modern's demand.Road lighting should have good visibility, and driver and pedestrian are provided sufficient visual information, and suitable light distributes and makes people's euphorosia, and in addition, suitable luminous environment also can improve people's attentiveness.Illumination expert and Human Physiology expert all think, road lighting should be selected suitable human vision, energy-conservation, high light efficiency, color rendering is good, the life-span is long, light pollution is little light source for use with light source.Road lighting at present adopts high-pressure sodium lamp, its feature to be with lamp mostly: photopic vision light efficiency height, life-span reached 2-2.5 ten thousand hours, but there are some shortcomings in it:
1, the high-pressure sodium lamp emission spectrum does not meet the road lighting requirement. and recommend in the road illumination standards (CIE1995), the brightness (safeguarding minimum value) on the automobile traffic illumination road surface that provides is 5 * 10 -1-2 * 10 0Cd/m 3, belong to the mesomeric vision scope.Bright night in daytime is dark, formed the light and shade visual performance of the natural light of human adaptation, learn from the analysis of human eye physiological structure: the cones of human eye retina central authorities and the rod cells at edge are different to the reaction of spectral sensitivity, the visibility function curve of human eye under three kinds of different lighting environments, or title spectral luminous efficiency, as Fig. 2, curve 5 is the photopic vision luminous efficiency, and ambient brightness is greater than 10cd/m 2Be the photopic vision scope, the cones participates in the photopic vision activity, and is the sensitiveest to the light perception of 555nm wavelength; Ambient brightness is less than 10 -2Cd/m 2Be the noctovision scope, rod cells participates in the noctovision activity, curve 5 is the noctovision luminous efficiency, human eye is the sensitiveest to the light perception of 507nm wavelength; Between 10cd/m 2With 10 -2Cd/m 2Between be the mesomeric vision scope, cones and the activity of rod cells fellowship mesomeric vision, the mesomeric vision sensitizing range of human eye is at 507-555nm, curve 7 signal mesomeric vision luminous efficiency.The emission spectrum of traditional high-pressure sodium lamp covers the scope of limited wavelength, peak wavelength is at the 580nm place, not in mesomeric vision spectrum sensitive district, as Fig. 3, curve 8 is the spectral distribution of high-pressure sodium lamp, most light energy distribution does not meet the visual characteristic of human eye in the road lighting environment beyond the mesomeric vision sensitizing range.
2, high-pressure sodium lamp is photochromic poor, and color rendering index is low.High-pressure sodium lamp emission light mainly concentrates on about 580nm, and color table is yellow.Traditional high-pressure sodium lamp color rendering index Ra is no more than 30, and is photochromic poor, makes the photographed object cross-color comparatively serious.Temperature is very high during the high-pressure sodium lamp burning-point, and dazzle is obvious.
The present invention has overcome shortcoming of the prior art, and a kind of non-polar lamp for road lighting that meets human eye mesomeric vision spectrum sensitive is provided.
In order to solve the problem of above-mentioned technology, the present invention is achieved by the following technical solutions: non-polar lamp for road lighting comprises radio-frequency generator 1, coupler 2, discharge bulb 3, coupler 2 places the recessed interior pipe 4 of discharge bulb 3, discharge bulb 3 inner surfaces apply many primary colours fluorescent material, and its Energy distribution concentrates in the mesomeric vision sensitizing range scopes such as 515 ± 10 nanometers, 527 ± 10 nanometers, 545 ± 10 nanometers.
The present invention also can be achieved through the following technical solutions: the fluorescent material of above-described discharge bulb 3 inner surfaces coating is filled a prescription as follows by weight: the red fluorescence powder of 30-40%, the turquoise fluorescent material I of 40-60%, the green emitting phosphor of 5-15%, the blue colour fluorescent powder I of 5-15%, wherein red fluorescence powder sends the visible light that wavelength peak is 610 ± 10 nanometers, green emitting phosphor sends the visible light that wavelength peak is 545 ± 10 nanometers, turquoise fluorescent material I sends the light that wavelength peak is 515 ± 10 nanometers, and blue colour fluorescent powder I sends the visible light that wavelength is 480 ± 10 nanometers.
The present invention also can be achieved through the following technical solutions: the fluorescent material of above-described discharge bulb 3 shell inner surfaces coating is filled a prescription as follows by weight: the red fluorescence powder of 35-45%, the turquoise fluorescent material II of 40-50%, the green emitting phosphor of 10-20%, the blue colour fluorescent powder II of 5-10%, wherein red fluorescence powder sends the visible light that wavelength peak is 610 ± 10 nanometers, green emitting phosphor sends the visible light that wavelength peak is 545 ± 10 nanometers, turquoise fluorescent material II sends the light that wavelength peak is 527 ± 10 nanometers, and blue colour fluorescent powder II sends the visible light that wavelength is 450 ± 10 nanometers.
The present invention also can be achieved through the following technical solutions: the fluorescent material of above-described discharge lamp cell-shell inner surface coating is filled a prescription as follows by weight: the red fluorescence powder of 20-50%, the turquoise fluorescent material I of 10-30%, the turquoise fluorescent material II of 10-30%, the green emitting phosphor of 10-30%, the blue colour fluorescent powder II of 5-25%, wherein red fluorescence powder sends the visible light that wavelength peak is 610 ± 10 nanometers, turquoise fluorescent material I sends the light that wavelength peak is 515 ± 10 nanometers, turquoise fluorescent material II peak value is the visible light of 527 ± 10 nanometers, the green emitting phosphor peak value is the visible light of 545 ± 10 nanometers, and blue colour fluorescent powder II sends the light that wavelength is 450 ± 10 nanometers.
The present invention also can be achieved through the following technical solutions: the fluorescent material of pipe 4 outer surfaces coating is filled a prescription as follows by weight in the above-described discharge lamp: the red fluorescence powder of 0-20%, the green emitting phosphor of 80-100%, wherein red fluorescence powder sends the visible light that wavelength peak is 610 ± 10 nanometers, and green emitting phosphor sends the visible light that wavelength peak is 545 ± 10 nanometers.
The present invention also can be achieved through the following technical solutions: above-described coupler 2 magnetic materials by weight prescription are: the Fe of 68-72% 2O 3, the Mn of 20-24% 3O 4, the ZnO of 6-10%.
The present invention can also be achieved through the following technical solutions: above-described red fluorescence powder structural formula is Y 2O 3: Eu 3+, described green emitting phosphor structural formula is CeMgAl 11O 19: Tb 3+, described blue colour fluorescent powder I structural formula be (Ba, Ca, Mg) 10(PO 4) 6Cl 2: Eu 2+, described blue colour fluorescent powder II structural formula is BaMgAl 10O 17: Eu 2+, described turquoise fluorescent material I structural formula is BaMgAl 10O 17: Mn 2+, described turquoise fluorescent material II structural formula is Zn 2SiO 4: Mn.
The present invention also can be achieved through the following technical solutions: the outer surface of above-described discharge bulb 3 is covered with and is no more than 2 microns TiO 2Coating.
The present invention also can be achieved through the following technical solutions: above-described coupler 2 drum stands adopt polyetheretherketonematerials materials.
Compared with prior art, the invention has the beneficial effects as follows: have the advantages that spectral distribution meets human eye mesomeric vision spectrum sensitivity, color rendering is good, energy consumption is low, the life-span is long.
Description of drawings
Fig. 1 is the non-polar lamp for road lighting structural representation.
Fig. 2 is the optical efficiency of human eye under three kinds of different lighting environments or the schematic diagram of title luminous efficiency curve or title visibility function.
Fig. 3 is the emission spectrum schematic diagram of high-pressure sodium lamp.
Fig. 4 is the structural representation of coupler.
Fig. 5 is that coupler inductance and radio-frequency generator choke inductance vary with temperature curve synoptic diagram.Wherein 11, the choke inductance varies with temperature curve for the coupler inductance for varying with temperature curve 12.
Fig. 6 is the part section enlarged drawing of Fig. 1.
The emission spectrum distribution curve schematic diagram of several monochromatic fluorescent material that Fig. 7-the 12nd, the present invention use.
Figure 13-the 15th, road lighting of the present invention is with the emission spectrum distribution curve schematic diagram of electrodeless lamp.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail: Fig. 1 has provided the outline drawing of road lighting with electrodeless lamp, and it comprises radio-frequency generator 1, coupler 2, discharge bulb 3; Coupler 2 places the recessed interior pipe 4 of discharge bulb 3; Many primary colours of coating fluorescent material in the discharge bulb; The high-frequency energy that radio-frequency generator 1 produces is coupled in the plasma in the discharge bulb 3 by coupler 2, activated plasma and by the fluorescent material conversion luminescence, the light that discharge bulb of the present invention sent meets the spectral signature of human eye mesomeric vision under the road lighting environment substantially, guarantees visual effect and comfortableness that road lighting is good.
Fig. 4 is the structure chart of coupler, and 9 is magnetic material, and 10 is drum stand.Electrodeless lamp needs stable operating state as road lighting, all the time, the loss height of magnetic material, the working temperature of its temperature coefficient and lamp does not match.Electrodeless lamp is as road lighting, and the working temperature height is low as drum stand material deformation temperature, just reduced the reliability of electrodeless lamp work.Aspect magnetic material, use high-purity, highly active powder, it by weight prescription is: Fe 2O 3: 70%, Mn 3O 4: 22%, ZnO: 8%; Fig. 5 varies with temperature curve for coupler inductance and radio-frequency generator choke inductance, 11 be the choke inductance with the variation of temperature curve, 12 are CouplerInductance is with the variation of temperature curve, and the coupler magnetic core is a positive temperature coefficient, realized with radio-frequency generator in the choke temperature coefficient in the complementarity of active section, to firm power, improve reliability and play an important role.As be shown in the examples, the coupler magnetic material is the MnZn material, and its magnetic material uses the data of actual measurement as follows:
Test top order Experimental condition Reduced parameter Unit
The material of offshore company's exploitation in recent years Zhuo Ke company material
μ 25℃，≤10KHz， 0.1mT 650±20％ 630
Bs 100℃：10kHz 250A/m 220 400 MT
Pv
100℃ 3MHz 10mt 100 95 KW/m 3
Tc ≥300 ≥300 ℃
Described in above-mentioned embodiment, light power, temperature parameter such as following table:
Time hr Power w Lamp base temperature ℃ Magnetic core working temperature ℃ Ambient temperature ℃
0 137.4 70 209 25
1 136.8 71 209 25
2 136.5 87 210 25
3 135.2 74 207 25
4 134.8 71 205 25
5 134.8 71 205 25
6 135.1 72 205 25
7 135 80 210 25
The explanation of this table:
A, from the morning 8 up at 3 o'clock in afternoon, per hour get one group of data analysis variable power scope.
B, lamp base temperature do not surpass 90 ℃, have guaranteed that light output is in scope.
C, magnetic core working temperature do not surpass 210 ℃, and Curie temperature is 〉=300 ℃.Under 40 ℃ of ambient temperature conditions, actual measurement magnetic core temperature is 235 ℃, and through three months on probation of 50 ℃ of hot environments, lamp is working properly, each parts of coupler take apart do experiment all normal.
As be shown in the examples, it to the contribution of steady illumination rating of set as shown in Figure 5.
Coupler drum stand material adopts the polyether-ether-ketone of modification, it is a kind of have heatproof, self-lubricating, easy special engineering plastics of excellent properties such as processing and high mechanical properties, and its load deformation temperature is up to 350 ℃, and serviceability temperature is 300 ℃ continuously, UV resistant radiation simultaneously, anti-radio-frequency field effect.
Fig. 6 is the part sectioned view of Fig. 1, is the structure of the titania coating of the embodiment of the invention, and 13 is glass bulb, and 14 is the titania coating that is coated with outward, and 15 is phosphor powder layer.The illumination that illuminator provided, from that time that it is lighted, just begin constantly to descend, the total light flux output of removing lamp reduces, and outside the spoilage, dust and dirt also are reasons that causes illumination to descend, therefore, the cleaning of lamp and light fixture and environment is the thing that we must often do, generally speaking, the annual need increased the lighting device maintenance workload more than the decontamination cleaning secondary.
The photocatalyst coating of electrodeless lamp outer surface has the thickness of 0.5-2 micron, adopts the method for spraying or dip-coating, is coated on electrodeless lamp outer surface more equably.The electrodeless lamp of present embodiment is placed on the heavily contaminated environment lights, after three months, implement this routine person, lamp surface dirt is less than does not implement this routine person.
According to Fig. 2, the mesomeric vision sensitizing range of human eye is at 507-555nm, and the brightness on road surface that street lamp provides is 5 * 10 -1-2 * 10 0Cd/m 2Be in the mesomeric vision scope, vision sensitivity (wavelength) district of this moment should be in 507-555nm, and therefore the main peak value of the emission spectrum of electrodeless lamp should fix on this zone, thereby obtain the higher visual sensitivity of human eye under the road lighting environment, obtain reasonable energy-saving effect.Simultaneously, take into account color rendering index,, corresponding secondary peak is arranged at blue light region and red light district.
Fig. 7-the 12nd, the emission spectrum distribution curve schematic diagram of several monochromatic fluorescent material that present embodiment adopted; Fig. 7 is red powder, and Fig. 8 is a green flour, and Fig. 9 is blue powder I, and Figure 10 is blue powder II, and Figure 11 is bluish-green toner I, and Figure 12 is bluish-green toner II.
According to several monochromatic fluorescent material shown in Fig. 7-12, the fluorescent material that is mixed with is made electrodeless lamp emission spectrum distribution map and is seen Figure 13-Figure 15.
Embodiments of the invention shown in Figure 13, main peak are at 515nm ± 10nm, and at 545nm ± 10nm a secondary peak are arranged, and for improving color rendering index, at blue light region and red light district, corresponding secondary peak are arranged.Color rendering index Ra can reach 60-80.
One embodiment of the present of invention shown in Figure 14, main peak is at 545 ± 10nm, and a continuous broad peak arranged, the visible light wave of 527 ± 10nm at 527 ± 10nm, in the road lighting visual zone, be sensitizing range, so, this lamp relatively conforms to the visual characteristic of human eye under the road lighting environment, equally, for improving color rendering index,, corresponding secondary peak is arranged at blue light region and red light district.Color rendering index Ra can reach 75-85.
One embodiment of the present of invention shown in Figure 15, main peak is at 545 ± 10nm, and two secondary peaks are arranged at 527 ± 10nm, 515 ± 10nm, a continuous relatively spectral distribution is arranged in the mesomeric vision sensitizing range, so, this lamp relatively is fit to the visual characteristic of human eye, and is same, at blue light region and red light district, corresponding secondary peak is arranged.Color rendering index Ra can reach 75-85.
As mentioned above, the present invention realizes that by adjusting the fluorescent material prescription coating of fluorescent material is to realize by the mode that filling is coated with or sprays, and the prescription of three embodiment is as follows:
In the last table, fluorescent material A is that peak value is 610nm ± 10nm red fluorescence powder, and structural formula can be Y 2O 3: Eu 3+,
Fluorescent material B is that peak value is 545nm ± 10nm green emitting phosphor, and structural formula is CeMgAl 11O 19: Tb 3+,
Fluorescent material C is that peak value is that 480nm ± 10nm states blue colour fluorescent powder I, structural formula be (Ba, Ca, Mg) 10(PO 4) 6Cl 2: Eu 2+,
Fluorescent material D is that peak value is that 450nm ± 10nm blue colour fluorescent powder II structural formula is BaMgAl 10O 17: Eu 2+,
Fluorescent material E is that peak value is that 515nm ± 10nm turquoise fluorescent material I structural formula is BaMgAl 10O 17: Mn 2+,
Fluorescent material F is that peak value is that the described turquoise fluorescent material of 527nm ± 10nm II structural formula is Zn 2SiO 4: Mn.

Claims (9)

1, a kind of non-polar lamp for road lighting, comprise radio-frequency generator (1), coupler (2), discharge bulb (3), coupler (2) places the recessed interior pipe (4) of discharge bulb (3), it is characterized in that discharge bulb (3) inner surface applies many primary colours fluorescent material, its Energy distribution concentrates in the mesomeric vision sensitizing range scopes such as 515 ± 10 nanometers, 527 ± 10 nanometers, 545 ± 10 nanometers.
2. non-polar lamp for road lighting according to claim 1, it is characterized in that: the fluorescent material of this discharge bulb (3) inner surface coating is filled a prescription as follows by weight: the red fluorescence powder of 30-40%, the turquoise fluorescent material I of 40-60%, the green emitting phosphor of 5-15%, the blue colour fluorescent powder I of 5-15%, wherein red fluorescence powder sends the visible light that wavelength peak is 610 ± 10 nanometers, green emitting phosphor sends the light that wavelength peak is 545 ± 10 nanometers, turquoise fluorescent material I sends the light that wavelength peak is 515 ± 10 nanometers, and blue colour fluorescent powder I sends the visible light that wavelength is 480 ± 10 nanometers.
3. non-polar lamp for road lighting according to claim 1, it is characterized in that: the fluorescent material of this discharge bulb (3) shell inner surface coating is filled a prescription as follows by weight: the red fluorescence powder of 35-45%, the turquoise fluorescent material II of 40-50%, the green emitting phosphor of 10-20%, the blue colour fluorescent powder II of 5-10%, wherein red fluorescence powder sends the visible light that wavelength peak is 610 ± 10 nanometers, green emitting phosphor sends the visible light that wavelength peak is 545 ± 10 nanometers, turquoise fluorescent material II sends the light that wavelength peak is 527 ± 10 nanometers, and blue colour fluorescent powder II sends the visible light that wavelength is 450 ± 10 nanometers.
4. non-polar lamp for road lighting according to claim 1, it is characterized in that: the fluorescent material of this discharge bulb (3) shell inner surface coating is filled a prescription as follows by weight: the red fluorescence powder of 20-50%, the turquoise fluorescent material I of 10-30%, the turquoise fluorescent material II of 10-30%, the green emitting phosphor of 10-30%, the blue colour fluorescent powder II of 5-25%, wherein red fluorescence powder sends the visible light that wavelength peak is 610 ± 10 nanometers, turquoise fluorescent material I sends the light that wavelength peak is 515 ± 10 nanometers, turquoise fluorescent material II peak value is the visible light of 527 ± 10 nanometers, the green emitting phosphor peak value is the visible light of 545 ± 10 nanometers, and blue colour fluorescent powder II sends the light that wavelength is 450 ± 10 nanometers.
5. non-polar lamp for road lighting according to claim 1, it is characterized in that: the fluorescent material of pipe (4) outer surface coating is filled a prescription as follows by weight in this discharge lamp: the red fluorescence powder of 0-20%, the green emitting phosphor of 80-100%, wherein red fluorescence powder sends the visible light that wavelength peak is 610 ± 10 nanometers, and green emitting phosphor sends the visible light that wavelength peak is 545 ± 10 nanometers.
6. non-polar lamp for road lighting according to claim 1 is characterized in that coupler (2) magnetic material by weight prescription is: the Fe of 68-72% 2O 3, the Mn of 20-24% 3O 4, the ZnO of 6-10%.
7, according to claim 2,3,4,5 described non-polar lamp for road lighting, it is characterized in that: described red fluorescence powder structural formula is Y 2O 3: Eu 3+, described green emitting phosphor structural formula is CeMgAl 11O 19: Tb 3+, described blue colour fluorescent powder I structural formula be (Ba, Ca, Mg) 10(PO 4) 6Cl 2: Eu 2+, described blue colour fluorescent powder II structural formula is BaMgAl 10O 17: Eu 2+, described turquoise fluorescent material I structural formula is BaMg Al 10O 17: Mn 2+, described turquoise fluorescent material II structural formula is Zn 2SiO 4: Mn.
8. non-polar lamp for road lighting according to claim 5 is characterized in that: the outer surface of discharge bulb (3) is covered with and is no more than 2 microns TiO 2Coating.
9, non-polar lamp for road lighting according to claim 6 is characterized in that coupler (2) drum stand adopts polyetheretherketonematerials materials.
CN 200510012681 2005-07-21 2005-07-21 Non-polar lamp for road lighting Expired - Fee Related CN1725435B (en)

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CN1725435B CN1725435B (en) 2010-09-22

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101355006A (en) * 2008-08-24 2009-01-28 江苏鑫田电子科技有限公司 Electrodeless lamp for plant growth promotion
CN102225215A (en) * 2011-06-22 2011-10-26 北京空海科技发展有限公司 Inner coupling electrodeless induction discharging ultraviolet light catalyst sterilization lamp
CN102548115A (en) * 2010-12-31 2012-07-04 财团法人工业技术研究院 Low-light-level environment lighting system
CN102734751A (en) * 2011-04-14 2012-10-17 隆达电子股份有限公司 Light modulation method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU217752B (en) * 1994-04-18 2000-04-28 General Electric Co. Electrodeless fluorescent reflectorlamp
US5612590A (en) * 1995-12-13 1997-03-18 Philips Electronics North America Corporation Electric lamp having fluorescent lamp colors containing a wide bandwidth emission red phosphor
ATE268504T1 (en) * 1997-03-10 2004-06-15 Matsushita Electric Ind Co Ltd FLUORESCENT LAMP
DE29910980U1 (en) * 1999-06-23 1999-09-09 Siemens Ag Light marking device
CN1487550A (en) * 2003-07-28 2004-04-07 东南大学 Two-purpose gas discharge lamp tube for lighting and sterilizing

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101355006A (en) * 2008-08-24 2009-01-28 江苏鑫田电子科技有限公司 Electrodeless lamp for plant growth promotion
CN102548115A (en) * 2010-12-31 2012-07-04 财团法人工业技术研究院 Low-light-level environment lighting system
CN102548115B (en) * 2010-12-31 2014-05-14 财团法人工业技术研究院 Low-light-level environment lighting system
CN102734751A (en) * 2011-04-14 2012-10-17 隆达电子股份有限公司 Light modulation method
CN102225215A (en) * 2011-06-22 2011-10-26 北京空海科技发展有限公司 Inner coupling electrodeless induction discharging ultraviolet light catalyst sterilization lamp
CN102225215B (en) * 2011-06-22 2013-12-04 李霁野 Inner coupling electrodeless induction discharging ultraviolet light catalyst sterilization lamp

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