CN102169803A - Low-mercury long-life energy-saving lamp - Google Patents
Low-mercury long-life energy-saving lamp Download PDFInfo
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- CN102169803A CN102169803A CN2010106246539A CN201010624653A CN102169803A CN 102169803 A CN102169803 A CN 102169803A CN 2010106246539 A CN2010106246539 A CN 2010106246539A CN 201010624653 A CN201010624653 A CN 201010624653A CN 102169803 A CN102169803 A CN 102169803A
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Abstract
The invention discloses a low-mercury long-life energy-saving lamp, comprising a lamp holder and a lamp tube connected with the lamp holder. The lamp tube comprises a glass wall, a protective film coated on the inner wall of the glass wall, and a phosphor layer coated on the protective film; solid amalgam is arranged in the lamp tube. The low-mercury long-life energy-saving lamp has the following advantages that: due to adoption of the solid amalgam instead of mercury, a. loss and diffusion of the mercury are effectively avoided during the process of producing, and pollution to the air environment caused by damage and abandonment of the product is obviously lightened; b. the amalgam has the same operation characteristics as that of the mercury, the best light output of the lamp can be ensured; and c. the actual amount of mercury filled in the lamp tube can be effectively controlled only by controlling granular size and weight of the amalgam. The consumption of the mercury is reduced by taking pre-coated nano-alumina as the protective film; and through combination with long-life cathode materials, the low-mercury long-life energy-saving lamp with 0.7-1 mg mercury is manufactured, thereby contributing to environmental protection.
Description
Technical field
The present invention relates to low mercury long-life energy-saving lamp.
Background technology
Electricity-saving lamp belongs to low-pressure gaseous discharge lamp, and its relies on mercury vapor discharge to produce ultraviolet deexcitation phosphor powder layer and sends visible light and be used to throw light on.Mercury is kind of a poisonous and harmful substance, at production link, product breakage or scrap Shi Douhui environment is polluted, brings harm to health, growing along with the electricity-saving lamp consumption, and the problem of mercury pollution obtains attention in the industry all the more.
It is very limited to keep the required mercury amount of electricity-saving lamp discharge in theory, actual amount but is higher than theoretical value far away, and this is because lamp needs constantly to consume mercury in the burning-point process, and effectively mercury is exhausted in lamp, lantern festival is died of old age because lack mercury, therefore focuses on controlling mercury consumption.European Union forces the mercury content of ROHS command request electricity-saving lamp to prop up less than 5mg/, and various countries also limit with reference to the mercury use of this instruction to electricity-saving lamp substantially.In 200810037089.3 patents, by tube inner wall being carried out coating with amorphous nano titanium oxide water thin liquid or with brockite shape titanium dioxide water thin liquid, reduce electricity-saving lamp in use to the consumption of mercury, produced the low-mercury energy-saving lamp of mercury content between 0.8 milligram to 1.4 milligrams.This 200810037089.3 patent also has following deficiency: 1, mercury content also needs further to reduce; 2, liquid mercury volatile quantity is big, and is mobile strong, more serious to the pollution of environment.3, not definition of the life-span of electricity-saving lamp.
Summary of the invention
The invention provides low mercury long-life energy-saving lamp, its further reduced electricity-saving lamp mercury use, overcome that the existing mercury content of electricity-saving lamp in the background technology is also higher, the deficiency of contaminated environment, the long-life that keeps electricity-saving lamp simultaneously.
The technical scheme that is adopted that the present invention solves its technical problem is:
Low mercury long-life energy-saving lamp; it comprises lamp holder and the fluorescent tube that is connected lamp holder (100); described fluorescent tube (100) comprises glass wall (110), be coated in the diaphragm (120) of glass wall (110) inwall and be coated in phosphor powder layer (130) on the diaphragm (120), establishes solid-state mercury alloy (200) in the described fluorescent tube (100).
Among one preferred embodiment: mercury content is between 0.7 milligram～1 milligram in the described solid-state mercury alloy (200).
Among one preferred embodiment: described diaphragm (120) is selected nano aluminium oxide for use.
Among one preferred embodiment: described nano aluminium oxide is selected the material of primary particle diameter 10nm to 13nm for use, and this material adopts the mixing plant that possesses high shear force when configuration protection film water solution, and rotor speed 〉=2000r/min.
Among one preferred embodiment: establish the stem stem (300) of band negative electrode (310) in the described fluorescent tube (100), described solid-state mercury alloy (200) places the blast pipe (320) of stem stem (300).
Among one preferred embodiment: described negative electrode (310) comprises the filament that adopts the main and auxiliary type structure, and described filament is coated with the electronics powder outward, and described electronics grain weight amount is no less than 2.5 milligrams.
Among one preferred embodiment: cold junction (111) is established in described fluorescent tube (100) bottom, and described solid-state mercury alloy (200) places in stem stem (300) fluorescent tube (100) cold junction (111).
The technical program is compared with background technology, and it has following advantage:
1, owing to adopts solid-state mercury alloy replacement liquid mercury, therefore overcome the existing deficiency of background technology, and produce following technique effect: a, can effectively avoid scattering and disappearing and diffusion of liquid mercury in the production process, obviously alleviate product breakage and scrap the pollution of back air ambient; B, this alloy have with the same operating characteristic of liquid mercury, can guarantee the optimal light output of lamp; C, granular size and the weight that only need control mercury alloy just can effectively be controlled the actual mercury amount of injecting fluorescent tube, and the notes mercury amount of liquid mercury is difficult to control, fluctuation greatly;
2, mercury content is realized the ultralow mercury use of electricity-saving lamp between 0.7 milligram～1 milligram in the solid-state mercury alloy;
3, diaphragm adopts and to select nano aluminium oxide for use, and this rete is evenly fine and close, then: a, excellent protection effect and light transmission are arranged, can stop that sodium ion moves layer by layer to inner surface and fluorescent material in the glass, avoid generating sodium amalgam; B, can stop mercury ion, generate mercury atom at wall after stoping mercury ion and electron recombination, thereby suppress mercury consumption to the glass internal migration;
4, primary particle diameter 10nm of aluminium oxide or 13nm adopt the mixing plant that possesses high shear force during configuration protection film water solution, rotor speed 〉=2000r/min then can generate the nano aluminium oxide film;
5, negative electrode comprises the filament that adopts the main and auxiliary type structure, and filament is coated with the electronics powder outward, and electronics powder coated weight is greater than 2.5 milligrams, and the life-span of electricity-saving lamp was more than 12000 hours.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 has illustrated the schematic diagram of the electricity-saving lamp of a preferred embodiment.
Fig. 2 has illustrated the electronics powder residual quantity of electricity-saving lamp of a preferred embodiment with the life-span graph of a relation.
Fig. 3 has illustrated the mercury consumption of electricity-saving lamp of a preferred embodiment with the life-span graph of a relation.
Fig. 4 has illustrated the schematic diagram of the electricity-saving lamp of another preferred embodiment.
Embodiment
Please refer to Fig. 1, low-mercury energy-saving lamp, it comprises lamp holder 400 and the fluorescent tube 100 that is connected lamp holder 400.Described fluorescent tube 100 comprises glass wall 110, be coated in the diaphragm 120 of glass wall 110 inwalls and be coated in phosphor powder layer 130 on the diaphragm 120.Cold junction 111 is established in described fluorescent tube 100 bottoms, and described solid-state mercury alloy 200 places in fluorescent tube 100 cold junctions 111.Among the present embodiment, mercury content is between 0.7 milligram～1 milligram in the described solid-state mercury alloy 200.Among the present embodiment, described solid-state mercury alloy 200 comprises Bi, Sn and Hg, and in the most preferred embodiment, the content of described Hg is 15%-40%, and in the best applications example, described Hg content is 25%.
Among the present embodiment, described diaphragm 120 adopts selects nano aluminium oxide for use.Described nano aluminium oxide is selected the material of primary particle diameter 10nm to 13nm for use, and this material adopts the mixing plant that possesses high shear force when configuration protection film water solution, and rotor speed 〉=2000r/min.
Among the present embodiment, described negative electrode 310 comprises the filament that adopts the main and auxiliary type structure, and described filament is coated with the electronics powder outward.Among the present embodiment, described electronics powder memory space is more than or equal to 2.5 milligrams.
In concrete manufacture process: 1, the technology controlling and process of electricity-saving lamp roasted tube operation: roasted tube is that the phosphor powder layer pipe is toasted by heat, with the temporary binding agent oxidation of fluorescent material in layer by layer, decompose and disengage.If roasted tube is insufficient, binding agent is burning completely not, will become the foreign gas source of release of finished product fluorescent tube, and foreign gas consumes the effective mercury in the lamp with the mercury combination, and consumption mercury amount obviously increases.Verify and guarantee the adequacy of roasted tube during production by roasted tube indicator and the temperature distribution history of measuring the roasted tube stove: furnace temperature is measured before going into operation, the checking of roasted tube indicator can produce after no problem.2, the foundation of automatic vent car cooling water and temperature control system thereof: the automatic vent car is equipped with cooling water recirculation system and temperature control system, and control water temperature≤30 degree has avoided mercury to scatter and disappear because of the temperature height causes mercury in production link.3, the mercury consumption increase of adopting Sequential Production effectively to avoid phosphor powder layer to cause because of absorbing aqueous vapor and foreign gas.
Among the present embodiment, except adopting the solid-state mercury alloy 200 replacement liquid mercury of low temperature, also pass through 310 useful lifes of design prolongation negative electrode of " filament of main and auxiliary type structure, filament are coated with the electronics powder outward ", prolong the electricity-saving lamp life-span, the life-span of electricity-saving lamp was more than 12000 hours.
For making the auditor further understand beneficial effect of the present invention, enumerate concrete Application Example and related experiment data below.
In this concrete Application Example: make a collection of fluorescent tube; solid-state mercury alloy 200 is selected the injection of mercury content between the 0.7-1 milligram for use; the alumina solution of diaphragm 120 usefulness 13nm (mixing plant of this soln using rotating speed 2000r/min stirs) is coated in the glass inwall; the checking furnace is normal before the roasted tube, the demonstration of roasted tube indicator color is normal; automatic vent car cooling water temperature 30 degree; electronics powder coated weight reaches 2.5 milligrams; adopt semi-finished product not have the delay Sequential Production, other finish whole lamp routinely.
During test, adopt life test to verify the effect of lamp.Press IEC about the definition in life-span, burning-point 12000 hours has to surpass 50% survival rate and represent that the life-span can reach more than 12000 hours, and the not rubescent expression of fluorescent tube this moment does not produce and lacks the mercury phenomenon.Concrete method of testing is as follows:
With the lamp of the some burning-point of putting on the shelf, each lifetime stage is taken off 2 to 3 lamp test electronics powder residual quantities and mercury consumption, draw two curve chart electronics powder residual quantities with life-span graph of a relation, mercury consumption with the life-span graph of a relation, as Fig. 3 and Fig. 4, from the can visually see burning-point effect of ultralow mercury Long service lamp of figure.
Life test result: burning-point 12000 hours, 60% survival rate is arranged, the expression life-span can reach more than 12000 hours, and the not rubescent expression of fluorescent tube this moment does not lack mercury.Electronics powder residual quantity, mercury consumption are seen Fig. 3 and Fig. 4 with life relation figure, can visually see from figure, life-span is when reaching 12000 hours, the electronics powder is not exhausted as yet, residual quantity is greater than 0.4 milligram, mercury consumes less than 0.7 milligram, satisfies the specification requirement of 12000 hours ultralow mercury long-life energy-saving lamps.
Among another preferred embodiment, it and a last preferred embodiment difference are: please refer to Fig. 4, establish the stem stem 300 of band negative electrode 310 in the described fluorescent tube 100, described solid-state mercury alloy 200 places the blast pipe 320 of stem stem 300.
The above, only for preferred embodiment of the present invention, so can not limit scope of the invention process according to this, i.e. the equivalence of doing according to claim of the present invention and description changes and modification, all should still belong in the scope that the present invention contains.
Claims (7)
1. low mercury long-life energy-saving lamp; it comprises lamp holder and the fluorescent tube that is connected lamp holder (100); it is characterized in that: described fluorescent tube (100) comprises glass wall (110), be coated in the diaphragm (120) of glass wall (110) inwall and be coated in phosphor powder layer (130) on the diaphragm (120), establishes solid-state mercury alloy (200) in the described fluorescent tube (100).
2. low mercury long-life energy-saving lamp according to claim 1 is characterized in that: mercury content is between 0.7 milligram～1 milligram in the described solid-state mercury alloy (200).
3. low mercury long-life energy-saving lamp according to claim 1, it is characterized in that: described diaphragm (120) is selected nano aluminium oxide for use.
4. low mercury long-life energy-saving lamp according to claim 3; it is characterized in that: described nano aluminium oxide is selected the material of primary particle diameter 10nm to 13nm for use; this material adopts the mixing plant that possesses high shear force when configuration protection film water solution, and rotor speed 〉=2000r/min.
5. according to claim 1 or 2 or 3 or 4 described low mercury long-life energy-saving lamps, it is characterized in that: establish the stem stem (300) of band negative electrode (310) in the described fluorescent tube (100), described solid-state mercury alloy (200) places the blast pipe (320) of stem stem (300).
6. low mercury long-life energy-saving lamp according to claim 5 is characterized in that: described negative electrode (310) comprises the filament that adopts the main and auxiliary type structure, and described filament is coated with the electronics powder outward, and described electronics grain weight amount is no less than 2.5 milligrams.
7. according to claim 1 or 2 or 3 or 4 described low mercury long-life energy-saving lamps, it is characterized in that: cold junction (111) is established in described fluorescent tube (100) bottom, and described solid-state mercury alloy (200) places in fluorescent tube (100) cold junction (111).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010106246539A CN102169803A (en) | 2010-12-31 | 2010-12-31 | Low-mercury long-life energy-saving lamp |
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| CN2010106246539A CN102169803A (en) | 2010-12-31 | 2010-12-31 | Low-mercury long-life energy-saving lamp |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006100037A (en) * | 2004-09-28 | 2006-04-13 | Matsushita Electric Ind Co Ltd | Fluorescent lamp |
| CN2836233Y (en) * | 2005-08-16 | 2006-11-08 | 上海翔山实业有限责任公司 | Non-circular section single spiral fluorescent lamp |
| CN200993956Y (en) * | 2006-12-27 | 2007-12-19 | 浙江江山三友电子有限公司 | Amalgam spiral fine diameter energy-saving lamp tube |
| CN101770927A (en) * | 2009-06-09 | 2010-07-07 | 上海镭华照明电器有限公司 | Fluorescence radiation lamp tube |
| CN202103014U (en) * | 2010-12-31 | 2012-01-04 | 厦门通士达照明有限公司 | Low-mercury long-lifetime energy saving lamp |
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- 2010-12-31 CN CN2010106246539A patent/CN102169803A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006100037A (en) * | 2004-09-28 | 2006-04-13 | Matsushita Electric Ind Co Ltd | Fluorescent lamp |
| CN2836233Y (en) * | 2005-08-16 | 2006-11-08 | 上海翔山实业有限责任公司 | Non-circular section single spiral fluorescent lamp |
| CN200993956Y (en) * | 2006-12-27 | 2007-12-19 | 浙江江山三友电子有限公司 | Amalgam spiral fine diameter energy-saving lamp tube |
| CN101770927A (en) * | 2009-06-09 | 2010-07-07 | 上海镭华照明电器有限公司 | Fluorescence radiation lamp tube |
| CN202103014U (en) * | 2010-12-31 | 2012-01-04 | 厦门通士达照明有限公司 | Low-mercury long-lifetime energy saving lamp |
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Application publication date: 20110831 |