CN103094058B - Use the band cover power saving fluorescent lamp of Low temp amalgam - Google Patents
Use the band cover power saving fluorescent lamp of Low temp amalgam Download PDFInfo
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- CN103094058B CN103094058B CN201110342018.6A CN201110342018A CN103094058B CN 103094058 B CN103094058 B CN 103094058B CN 201110342018 A CN201110342018 A CN 201110342018A CN 103094058 B CN103094058 B CN 103094058B
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Abstract
A kind of band cover power saving fluorescent lamp (100) using Low temp amalgam.Described band cover power saving fluorescent lamp (100) comprising: lamp holder (11), the upper cover (12) be connected with described lamp holder (11), the control circuit board (13) be included in described upper cover (12), fluorescent tube (140), lampshade (15) and the jockey (160) by lampshade (15) and upper cover (12) airtight connection.It is characterized in that, the blind tail (Pa, Pb, Pc, Pd) that described fluorescent tube (140) comprises lamp tube main body and is connected with described lamp tube main body, the inwall of described blind tail (Pa, Pb, Pc, Pd) does not apply fluorescent material, as the extension cold junction of described fluorescent lamp.Low temp amalgam is injected with in described fluorescent tube (140).
Description
Technical field
The present invention relates to low pressure gaseous discharge power saving fluorescent lamp, particularly relate to a kind of band cover power saving fluorescent lamp using Low temp amalgam.
Background technology
Increasingly mature along with power saving fluorescent lamp technology, has become the main force of current illumination application.And can reach in the quite long period before business application widely at the real perfect of LED illumination technology of future generation, power saving fluorescent lamp will bear the role of the main force undoubtedly in each lighting field.
Although current all kinds of (such as common U-shaped and spiral type) compact energy-saving fluorescent lamp produced has met the primary demand of majority of illumination and the technical requirement for environmental protection (such as mercury recovery) aspect, but because these power saving fluorescent lamps and traditional illuminating lamp (such as incandescent lamp) are in the structural difference of outward appearance, make these power saving fluorescent lamps in the convenience of use and the adaptability of environment still not as traditional illuminating lamp.Such as, compared with traditional bulb, be U-shaped all easily damage when mounting and dismounting with spiral energy saving fluorescent lamp, especially when using thinner glass-tube.In addition, clean also uneasy like that like an elephant wiping bulb with dust-proof earthwork face.What is more important, after being made into light fixture, is U-shapedly all may produce the illumination shade corresponding with the shape of its pipe with spiral energy saving fluorescent lamp.Secondly, the ultraviolet produced during fluorescent lamp operation has can pass tube glass wall on a small quantity, reveals in space, closely uses for a long time time fluorescent tube (as desk lamp) and produces injury to human eye and skin.For this reason, people to start the power saving fluorescent lamp of " bulb " shape made as shown in Figure 1 in the recent period.In order to be different from traditional incandescent lamp bulb, in the industry the power saving fluorescent lamp of this " bulb " shape is referred to as band cover power saving fluorescent lamp, " cover " mentioned here is exactly the cell-shell made by transparent glass (such as frosted glass or milky white transparent glass).
Fig. 1 shows the band cover power saving fluorescent lamp 10 adopting prior art to make.It can be understood as is on traditional power saving fluorescent lamp, installed cover 15 additional and formed.Lamp holder 11 wherein, upper cover 12 and be included in control circuit board 13 in described upper cover 12, fluorescent tube 14 all do not have substantive difference with the corresponding part of the power saving fluorescent lamp of prior art.In order to cover 15 is connected with upper cover 12, in the band cover power saving fluorescent lamp 10 of prior art, be designed with jockey 16, the mode of screw thread or bonding of such as passing through is cover 15 and the airtight connection of upper cover 12.
Even adopt the present inventor's application number to be formerly 201110167156.5, be entitled as the technology of the Chinese invention patent of " in fluorescent lamp manufacture Trace Mercury method for implanting " to be formed in the band cover power saving fluorescent lamp 10 shown in Fig. 1, owing to the addition of cover 15, also after making energy-conservation light bar cover, fluorescent tube to be enclosed in inside cover 15 mean temperature up to about 100 DEG C, lamp hole temperature minimum point place, namely fluorescent tube cold junction position (this cold junction position is objective reality, along with the type of fluorescent tube, power and occupation mode difference and change) temperature also can up to 80 DEG C.
In order to understand conveniently, particularly with reference to the working condition of the band cover power saving fluorescent lamp 10 shown in figure 2.Band cover power saving fluorescent lamp 10 shown in Fig. 2 is lamp holder working conditions upward, in lampshade, hot-air starts to rise according to direction shown in arrow is past with T position as shown in Figure 2, presents upper temp and bottom (being now the cold junction P of lamp) temperature still may can reach the height of 80 DEG C up to 100 DEG C.Easy understand, are lamp holder (not shown) down with the ultimate attainment contrary situation of service condition of the band cover power saving fluorescent lamp 10 shown in Fig. 2, then the cold junction of band cover power saving fluorescent lamp 10 is now in the position of upper cover 12 with the jockey 16 of lampshade 15.
Be appreciated that by description above, because the liquid mercury of low temperature and the working temperature of General low temperature amalgam are generally at 40 DEG C ~ 55 DEG C, therefore, band cover power saving fluorescent lamp in prior art shown in Fig. 2 is merely able to the middle high-temperature amalgam selecting 80 DEG C ~ 140 DEG C, to maintain in fluorescent tube a lower mercury-vapor pressure with this, and then wish to obtain the higher light efficiency of fluorescent tube one.In employing after high-temperature amalgam, fluorescent tube startup initial temperature is markedly inferior to the required temperature that high-temperature amalgam plays a role, namely high-temperature amalgam wherein will reach and just discharge mercury higher than during its working temperature, therefore there will be when electricity-saving lamp is opened and rises the too slow problem of bright speed.Rise the too slow problem of bright speed to overcome when electricity-saving lamp is opened, often take in the industry to increase the method for indium net as Auxiliary amalgam, even so, above-mentioned conventional belt cover electricity-saving lamp obviously has following deficiency:
First be the contradiction that brightness is climbed between (rising bright) and light efficiency.Will choice for use Low temp amalgam in order to improve brightness climbing speed.Even if because when relying on the fluorescent tube of Auxiliary amalgam indium net absorption after the turning off the light of energy-saving fluorescent lamp normally to work in prior art the Trace Mercury that remain (at 0.8 ~ 1.2Pa, corresponding energy-saving fluorescent lamp cold junction temperature is 40 ~ 45 DEG C to the mercury-vapor pressure that foundation fluorescent tube normally works, and be with cover energy-saving fluorescent lamp cold junction temperature on average at 80 DEG C, mercury-vapor pressure often rises 10 DEG C and double with temperature, 80 DEG C have about exceeded 4 powers of 2, also cold junction amalgam will regain the mercury in fluorescent tube 4 powers of 2 mole when fluorescent tube normally works is equivalent to), also fluorescent tube is made to reach the brightness of normal illumination fast by being not enough to, that just must use the main amalgam of low temperature, so that after the fluorescent tube of power saving fluorescent lamp is opened, when the mercury deficiency of Auxiliary amalgam, main amalgam can discharge fast and meet fast brightness climbing speed, the energy-saving fluorescent lamp of such making will sacrifice light efficiency greatly.The light efficiency of the traditional band cover power saving fluorescent lamp 10 therefore shown in Fig. 2 generally only has about 70% of bare spot fluorescent tube light efficiency.
Secondly, conventional belt cover energy-saving fluorescent lamp 10 as above needs to arrange Auxiliary amalgam.Usual selection indium net is as Auxiliary amalgam.Noble metal is not only by Auxiliary amalgam indium net, and starts fusing higher than 160 DEG C under the purging vacuum condition of indium in fluorescent tube manufacture process, the foreign gas of release when the easy adsorbing lamp tube cathode of the indium net surface after fusing decomposes, thus makes fluorescent tube introduce impurity source.This can have a strong impact on light efficiency and the lumen depreciation of fluorescent tube, causes that the fluorescent tube light efficiency of band cover energy-saving fluorescent lamp 10 is low, light decay large and reduce its useful life.
The present invention is intended to the shortcoming of the conventional belt cover energy-saving fluorescent lamp overcoming above-mentioned prior art, provides that a kind of brightness climbing speed is fast, light efficiency is high, the band cover power saving fluorescent lamp of the use Low temp amalgam of long service life.
The application provides relevant background technology file at this:
1. application number is 201110167156.5, is entitled as the Chinese invention patent application of " in fluorescent lamp manufacture Trace Mercury method for implanting ".This application is introduced in the background of the application in full illustrates the mode of accurate mercury injection rate of power saving fluorescent lamp used in this application and the preparation method of the power saving fluorescent lamp of low mercury content.
2. the monograph published: " electricity-saving lamp technology and low-carbon (LC) throw light ons ", Henan science tech publishing house in April, 2011 first edition (main editorial member: Guan Fumin, Yu Bing, house very, Chen Zonglie, Yang great Wei, Gong Shihong, Chen great Hua).This monograph gives the detailed introduction that current electricity-saving lamp technology and low-carbon (LC) energy-saving light make universal and conventional method.
Summary of the invention
According to a technical scheme of the application, a kind of band cover power saving fluorescent lamp 100 using Low temp amalgam is provided, comprises: lamp holder 11, the upper cover 12 be connected with described lamp holder 11, the control circuit board 13 be included in described upper cover 12, fluorescent tube 140, lampshade 15 and the jockey 160 by lampshade 15 and the airtight connection of upper cover 12.It is characterized in that, blind tail Pa, Pb, Pc, Pd that described fluorescent tube 140 comprises lamp tube main body and is connected with described lamp tube main body, the inwall of described blind tail Pa, Pb, Pc, Pd does not apply fluorescent material, as the extension cold junction of described fluorescent lamp.Low temp amalgam is injected with in described fluorescent tube 140.
In a technical scheme of the present invention, described blind tail Pa, Pb, Pc contact with the inwall of described lampshade 15.
According to a technical scheme of the application, be infused in the Low temp amalgam preferably titanium amalgam (Ti-Hg) in fluorescent tube.And, by adopting technical scheme disclosed in above-mentioned related background art 1, energy-saving fluorescent lamp mercury injection rate is controlled, described low temperature mercury is made in the dispose procedure of mercury, still to retain a part of low temperature mercury in amalgam as energy-saving fluorescent lamp deposit mercury, thus may reach at this energy-saving fluorescent lamp in the working life process of up to ten thousand hours the mercury of deposit is discharged lentamente automatically, to supplement the consumption in operation of described energy-saving fluorescent lamp mercury.Specifically, the low temperature mercury quantity sum of the low temperature mercury quantity that the injection rate of described low temperature mercury equals initial release and the deposit continuity extremely slow releasing in fluorescent tube and with the lamp works time.
According to a technical scheme of the application, wherein said blind tail Pa, Pb, Pc, Pd are that length is not more than the described fluorescent tube radius of spin and diameter is not more than the glass tube of 2/3rds of described fluorescent tube 140 diameter.
According to a technical scheme of the application, it is wherein said for the jockey 160 of lampshade 15 and the airtight connection of upper cover 12 is comprised micromatic setting, for finely tuning the relative position of described fluorescent tube 140 at described lampshade 15, to make blind tail Pa, Pb, Pc of described fluorescent tube 140 contact with the bottom interior wall of described lampshade 15.
As a nonrestrictive example, comprise according to the described micromatic setting of a technical scheme of the application and be provided in n (n is preferably 3) individual keyway 161 and corresponding n the slide key 162 be provided on interior middle cover B on outer middle cover A periphery.When described energy-saving fluorescent lamp 140 is fixed with described interior middle cover B, regulate the relative position of described energy-saving fluorescent lamp 140 in described lampshade 15 by the small vertically slip on described outer middle cover A periphery in n keyway 161 of described n the slide key 162 of described interior middle cover B, keep simultaneously described energy-saving fluorescent lamp all the time with the concentricity of described lampshade 15.
Usually, interior middle cover B is relied on blind tail Pa, Pb, Pc of described fluorescent tube 140 can be realized to contact closely all the time with bottom the inwall of described lampshade 15 with the deadweight of energy-saving fluorescent lamp.
According to a technical scheme of the application, the glass-tube of refinement is used to form energy-saving fluorescent lamp 140, to increase the length (effectively luminous positive column) of helical lampl and to realize specular removal.
Technique scheme according to the present invention achieves and uses Low temp amalgam to make a kind of object using the band cover power saving fluorescent lamp of Low temp amalgam.And in the dispose procedure of low temperature mercury, retain a part of low temperature mercury lay in mercury as fluorescent tube in amalgam, slowly automatically discharge to make it may reach in the course of work of up to ten thousand hours at fluorescent tube, thus supplement the consumption in operation of fluorescent tube mercury.The improvement of the shape of power saving fluorescent lamps, namely as the interpolation of the blind tail of cold junction, provide not only the deposit space of mercury, and achieves the outer fast loose of fluorescent tube heat.The band cover power saving fluorescent lamp of the use Low temp amalgam of formation like this achieves that brightness climbing speed is fast, light efficiency is high, the technique effect of long service life.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the embodiment embodying Spirit Essence of the present invention is described, wherein:
Fig. 1 is the band cover power saving fluorescent lamp schematic diagram in prior art.
Fig. 2 be Fig. 1 band cover power saving fluorescent lamp in use time the schematic diagram in heat flow direction.
Fig. 3 is a schematic diagram, and the implementation procedure being filled with Low temp amalgam in the fluorescent tube of the band cover power saving fluorescent lamp according to the embodiment of the present invention is described.
Fig. 4 a-Fig. 4 d is the schematic diagram of the energy-saving fluorescent lamp with blind tail according to the specific embodiment of the invention.
Fig. 5 a-Fig. 5 d respectively illustrates the schematic diagram of the band cover power saving fluorescent lamp adopting the energy-saving fluorescent lamp with blind tail of Fig. 4 a-4d to make.
Fig. 6 a and Fig. 6 b shows a micromatic setting, is used in the band cover power saving fluorescent lamp of Fig. 5 b and Fig. 5 c, for regulating the position of fluorescent tube in lampshade, to make as extension blind tail Pb and Pc of cold junction and the contact internal walls of lampshade.
Embodiment
With reference to figure 3, the operation how being filled with Low temp amalgam in fluorescent tube is described.This is the important foundation feature realizing band cover power saving fluorescent lamp of the present invention.Shown in Fig. 3 is nonrestrictive helical lampl, and U-shaped fluorescent tube is applicable equally.After the fluorescent tube of Fig. 3 completes the coating of fluorescent material, low temperature mercury band (such as titanium mercury band) is inserted in a end of the blast pipe of one end stem stem, now can a of blast pipe end be stayed slightly grow (unnecessary) a section, be convenient to the high frequency release of the Low temp amalgam of such as titanium amalgam subsequently, after the high frequency release for described Low temp amalgam, then a of blast pipe end is carried out interim air-tightness burned tip.After wait tube exhaust is complete, the one section of blast pipe again burnt again after the high frequency release of Low temp amalgam.Need the fluorescent tube of two cold junction (fluorescent tube burning-point lamp holder all has good light efficiency upward and down) this section of blast pipe directly can be stayed long (namely again need not burn unnecessary one section), extend into during whole lamp assembling in upper cover as lamp holder down burning-point time cold junction.The blast pipe b of other end stem stem is used for exhaust, as shown in Fig. 3; When lamp input power is more than 10W, one end blast pipe extends when making cold junction poor effect also can also extend length as cold junction using this one end.
Here be the accurate control being realized mercury injection rate by above-mentioned background technology 1.According to embodiments of the invention, the low temperature mercury quantity injected in the energy-saving fluorescent lamp used in band cover lamp can comprise two parts, Part I q1 is the mercury quantity of initial release, and Part II q2 is the mercury quantity of the continuity extremely slow releasing of deposit in fluorescent tube and with the lamp works time.Determine q1 and q2 these two amounts accurately by background technology 1, two amounts are added the total amount Q obtaining injecting low temperature mercury, namely always give mercury quantity Q=q1+q2.The example of injection low temperature mercury that hereinafter also can be just concrete is described.
In the present invention, outside the feature removing above-mentioned use Low temp amalgam, another important technology feature with matching on the basis of traditional power saving fluorescent lamp, adds a blind tail, as the cold junction of power saving fluorescent lamp.With reference to figure 4a-Fig. 4 d according to the specific embodiment of the invention, illustrate be four kinds preferably with the energy-saving fluorescent lamps of blind tail.Wherein Fig. 4 a-Fig. 4 c is used for the situation of the normal use of energy-saving fluorescent lamp, namely in a high position, lampshade 15, in the situation of low level, now with the addition of blind tail (Pa, Pb, Pc) at the cold junction P point of the energy-saving fluorescent lamp of prior art or the position of this point close and becomes the new extension cold junction of this energy-saving fluorescent lamp lamp holder 11 as shown in Figure 1.To the ultimate attainment contrary situation of service condition with the band cover power saving fluorescent lamp 10 shown in Fig. 1, namely lamp holder 11 at low level lampshade 15 in the situation of a high position, cold junction due to power saving fluorescent lamp 10 is now in the position of upper cover 12 with the jockey 16 of lampshade 15, so the blast pipe a correspondingly blind tail Pd being arranged on power saving fluorescent lamp holds or b holds near (see Fig. 3), as shown in figure 4d.
In the present invention, will the feature of Low temp amalgam (such as titanium amalgam) be used to combine with the blind tail feature as the extension cold junction on fluorescent tube, make the band cover power saving fluorescent lamp produced compared with the prior art have the raising of matter.Retain a part of mercury on the one hand when discharging mercury and lay in mercury as fluorescent tube in amalgam, make it to reach slowly release automatically in the course of work of up to ten thousand hours at fluorescent tube, thus supplement the consumption in operation of fluorescent tube mercury; On the other hand, in the whole working life of lamp, the storage space of deposit mercury is become as the blind tail extending cold junction, simultaneously because the extension of this blind tail reduces cold junction temperature greatly, and then make to be with the temperature of cover power saving fluorescent lamp cold junction to decline, reduce its mercury-vapor pressure at the burning-point procedure regulation of fluorescent tube.Final acquisition effect is that brightness is climbed soon, luminous efficiency is high, long service life.And the mercury content realizing the energy-conservation band cover fluorescent lamp of output by accurately giving the control of mercury quantity is low, reaches the object of environmental protection.
For the blind tail (Pa, Pb, Pc, Pd) shown in Fig. 4 a-Fig. 4 d, be the transparent glass-tube be communicated with luminescent energy-saving fluorescent tube 14, namely not coating fluorescent powder on its inwall, does not thus play luminous function substantially.The diameter of the glass-tube used as blind tail is less than the diameter of fluorescent tube 14, such as, preferably select the diameter of blind tail (Pa, Pb, Pc, Pd) to be not more than 2/3rds of the diameter of fluorescent tube 14; And when spiral energy-saving fluorescent lamp, select the length of blind tail (Pa, Pb, Pc, Pd) to be not more than 1/2nd of the radius of spin of fluorescent tube 14.
As shown in figures 4 b and 4 c, blind tail Pb, the Pc of the energy-saving fluorescent lamp shown in it are bend pipes, do not add the volume of large lampshade while that the object done like this being and making it possible to the length of blind tail to do longer.Be appreciated that, when the volume of lampshade 15 is determined, wherein blind tail Pc can do longer than blind tail Pb, because the blind tail Pb in Fig. 4 b is the summit from original fluorescent tube, the cold junction P place of the energy-saving fluorescent lamp 14 namely shown in Fig. 1 draws, and the blind tail Pc in Fig. 4 c draws from the helix tube outer rim of fluorescent tube 14.For the fluorescent lamp of some rated power and specific caliber, need this longer blind tail as the cold junction extended, thus realize technique effect of the present invention better.In addition, Fig. 4 b is particularly suited for blind tail and lampshade 15 to realize contacting of fit on this blind tail Pb, the Pc realized with bend pipe in Fig. 4 c, thus reduces the temperature as blind tail Pb, Pc of cold junction further.
With reference to the example of four the band cover power saving fluorescent lamps of the present invention shown in figure 5a-Fig. 5 d, correspond respectively to the situation of the band cover power saving fluorescent lamp adopting the energy-saving fluorescent lamp with blind tail of Fig. 4 a-Fig. 4 d to make.
Fig. 5 a and Fig. 5 d reflects basic fundamental of the present invention design.Under band cover power saving fluorescent lamp is lamp holder working condition upward, compared with the prior art of Fig. 1, band cover power saving fluorescent lamp wherein shown in Fig. 5 a with the addition of blind tail Pa as extension cold junction on the position of the cold junction P of original power saving fluorescent lamps, and by the control realization of the injection rate of accurate low temperature mercury the technique effect of institute's phase of the present invention.Under band cover power saving fluorescent lamp is the catotropic working condition of lamp, namely lamp holder 11 at low level lampshade 15 in the situation of a high position, band cover power saving fluorescent lamp wherein shown in Fig. 5 d with the addition of blind tail Pd as extending cold junction (blind tail Pd now has in fact extended in the space that lampshade 15 covers) on upper cover 12 position with the jockey 16 of lampshade 15, in this case blind tail Pd loses cold junction effect, the a of the blast pipe shown in Fig. 3 end is relied on to extend into upper cover as cold junction, and the technique effect of institute's phase of the present invention by the control realization of the injection rate of accurate low temperature mercury.
Fig. 5 b is substantially identical with the situation of Fig. 5 a with the situation of Fig. 5 c, and being namely used in band cover power saving fluorescent lamp is under lamp holder working condition upward.What be that Fig. 5 b and Fig. 5 c adopts with Fig. 5 a difference is that bending blind tail Pb or Pc is as extending cold junction.As mentioned above, except can by the control realization of the injection rate of accurate low temperature mercury except the technique effect of institute's phase of the present invention, band cover power saving fluorescent lamp shown in Fig. 5 b and Fig. 5 c can do longer using the length of the blind tail as cold junction, and this blind tail Pb, Pc realized with bend pipe is particularly suited for the contact blind tail and lampshade 15 being realized fit on, thus using lampshade 15 as the radiator of physical contact, reduce the temperature as blind tail Pb, Pc of cold junction further.Especially lamp input power at more than 10W time lampshade bulk temperature too high, in lampshade, gaseous exchange can not meet cold junction heat radiation, the radiator of this physical contact allows cold junction and the minimum position heat exchange of whole lampshade temperature, i.e. heat loss through conduction, maintain the temperature that cold junction is lower, ensure that fluorescent tube obtains optimum mercury pressure power, thus make fluorescent tube have high light efficiency.
It is very difficult that blind tail Pb, the Pc of band cover power saving fluorescent lamp after realizing assembling by the making of mould realize naturally contacting of fit on lampshade 15.It is on the one hand no matter the existence of the allowable tolerance of lampshade or the parts such as fluorescent tube and connected upper cover.On the other hand, the band cover power saving fluorescent lamp namely allowing to realize producing has achieved naturally contacting of blind tail Pb, Pc and lampshade 15 fit on, in use also can go wrong.The effect because the difference of the different materials between all parts that the change of temperature causes is expanded with heat and contract with cold, not only can make this natural contact condition be destroyed, and even cause the damage of whole electricity-saving lamp.
Therefore, in order to make naturally to contact with the inwall of lampshade as blind tail Pb with Pc extending cold junction in Fig. 5 b and the band cover power saving fluorescent lamp of Fig. 5 c, need a kind of micromatic setting being arranged on position for the jockey 160 by lampshade 15 and the airtight connection of upper cover 12, for finely tuning the relative position of described fluorescent tube 140 in described lampshade 15, to make blind tail Pb, Pc of described fluorescent tube 140 realize naturally contacting of fit on the bottom interior wall of lampshade 15.
With reference to figure 6a and Fig. 6 b, wherein just show the such micromatic setting be used in the band cover power saving fluorescent lamp of Fig. 5 b and Fig. 5 c.As shown in FIG. 6 a, the formation of described adjusting device is that original middle cover is resolved into outer middle cover A and interior middle cover B.Outer middle cover A is arranged on the position of the edge mouth of middleupper cover usually, and interior middle cover B is the hard plectane that will fix with power saving fluorescent lamps 140, and its diameter is identical with the internal diameter of described outer middle cover A.
See Fig. 6 a, outside middle cover A periphery provides n (in Fig. 6 a being 3) keyway 161, on interior middle cover B, correspondence provides n slide key 162 simultaneously, when energy-saving fluorescent lamp 140 is fixed with described interior middle cover B, in Fig. 6 a, this described power saving fluorescent lamps 140 is namely made in fact to be fixed on the fixing hard plate with 3 slide keys.And then by n the slide key 162 of described interior middle cover B to be embedded on described outer middle cover A periphery in n keyway 161.Like this, n the slide key 162 be embedded on described outer middle cover A periphery in n keyway 161 prevents interior middle cover B relative to the rotation of outer middle cover A, but allow the small slip in the vertical direction of slide key 162 in keyway 161, thus utilize the small slip in this vertical direction to regulate described energy-saving fluorescent lamp 140 at the relative position of described lampshade 15, make extension cold junction Pb with Pc of described power saving fluorescent lamp 100 realize contacting with the inside of lampshade 15, keep simultaneously described energy-saving fluorescent lamp 140 all the time with the concentricity of described lampshade 15.Be appreciated that, the minor adjustments scope in this vertical direction is the height h of the vertical direction of affiliated outer middle cover A, usually selects h between 1mm-2mm.
Schematic diagram after Fig. 6 b shows and above-mentioned outer middle cover A, interior middle cover B, fluorescent tube 140 and lampshade 15 to be combined.In relying on, middle cover B can realize blind tail Pb with Pc of described fluorescent tube 140 to contact closely all the time with bottom the inwall of described lampshade 15 with the deadweight of energy-saving fluorescent lamp, and expanding with heat and contract with cold with the various piece in the work of band cover power saving fluorescent lamp of the present invention, this contact condition can be remained.
The specifications and models of lampshade adopted for band cover power saving fluorescent lamp of the present invention and the various situations of size and actual power, first design object to be conceived in a limited lampshade volume, obtain the logical value of maximum light, acquisition specular removal will be taken into account simultaneously.For this reason, the design of the caliber of the fluorescent tube of the band cover power saving fluorescent lamp of the embodiment of the present invention will be tried one's best caliber refinement.Because a firm constraints of band cover power saving fluorescent lamp is the volume restriction adopting lampshade, from the related Sections of above-mentioned background technology 2, under the condition determined of taking up space, the length L of fluorescent tube and the proportional relation of the light efficiency of fluorescent tube.Therefore, only have the length L refinement of fluorescent tube caliber just likely being obtained maximum fluorescent tube, and then obtain the highest light efficiency.And after caliber refinement, the stoichiometric charge pressure of fluorescent tube improves, and the higher inhibitory action of inert gas pressure is larger, and sputtering and the hot flashing of fluorescent tube switch and operation negative electrode are less, fluorescent tube lumen depreciation is higher to be extended naturally with absolute life time.
Provide the several instantiation and measured data of being with cover power saving fluorescent lamp according to an embodiment of the invention subsequently, to make those skilled in the art can understand creativeness of the present invention and exploitativeness further.
Example 1
A kind of model that adopts is that A19 general bubble shell lampshade makes to obtain band cover power saving fluorescent lamp.Determine that optimum tube diameter is 6 ~ 7mm, consider the coefficient that to acquire a certain degree of difficulty with traditional stem stem sealing tube footpath < 7mm, determine here to select 7mm; According to the out-to-out of the opening design spiral exposed conduit of lampshade, lampshade opening diameter 41mm, is convenient to the smooth and easy assembling of fluorescent tube, and fluorescent tube outsourcing design maximum is 40mm; Again according to lampshade bottom to opening, namely the height of inner chamber is 60mm, and design spiral exposed conduit can curved 5 to enclose, pitch 2.5mm.
Connect the glass-tube of a 4.7 ~ 5.5mm after being coated with diaphragm, dusting, roasted tube after exposed conduit cleaning baking for extending cold junction, drawing-down a little during glass-tube end air-tightness sintering, fluorescent tube total height is also 60mm.
Implanted Titanium mercury 0.6 ~ 0.9mg.As shown in Figure 3, after in blast pipe a titanium mercury band being inserted one end stem stem, blast pipe a stays longlyer be convenient to the release of titanium mercury high frequency and burnt envelope by interim air-tightness, treats that tube exhaust is complete, again burns one section of unnecessary blast pipe again after the release of titanium mercury high frequency; Or the ideal length directly after a reserved debugging, as the another one cold junction of fluorescent tube, makes fluorescent tube have two cold junction effect.The blast pipe b of other end stem stem is used for exhaust, and when lamp input power is more than 10W, one end blast pipe extends when making cold junction poor effect also can also extend length as cold junction using this one end.
After exhaust, cathodic decomposition and activation, fluorescent tube pours 3.5 ~ 4.5 torr high-purity argon gas.
Carry out high frequency for fluorescent tube and release mercury, titanium mercury band is continued 30 seconds by high-frequency heated to about 550 DEG C, and the total mercury namely in titanium mercury band is released about 60%; In such fluorescent tube, the initial mercury participating in electric discharge work is about 0.36mg ~ 0.54mg, the mercury quantity that titanium mercury band retains is about 40%, namely 0.24mg ~ 0.36mg lays in mercury as one, progressively discharge extremely lentamente when fluorescent tube reaches the work of up to ten thousand hours, supplementary lamp works is normally to the consumption of mercury again.The utilization of this monopolizing characteristic of titanium mercury is injected with significance to the mercury making band cover power saving fluorescent lamp.In an embodiment of the present invention, in band cover power saving fluorescent lamp, inject low temperature mercury after and then accurately make two amounts: always the mercury quantity+b. of a. initial release to lay in fluorescent tube and the mercury quantity=to mercury quantity of continuity extremely slow releasing with the lamp works time.
Carry out the assembling of whole lamp and lampshade subsequently.By interior middle cover, outer and two parts are formed plastic middle cover, fluorescent tube is bonding with middle cover in plastic is firmly inserted in outer middle cover afterwards again, as shown in Fig. 6 b arrow, and be electrically connected electron plate and upper cover, lamp holder, try normally bright, finally assemble lampshade, in adjustment as shown in Fig. 6 a arrow, the distance of slightly sliding up and down of middle cover and outer middle cover makes the cold junction of fluorescent tube be close to the bottom of lampshade; In relying on the keyway of three vertical sliding motion that middle cover and outer middle cover are arranged in circumferential edge can ensure fluorescent tube all the time with the concentricity of lampshade, rely on the deadweight of interior middle cover and fluorescent tube can ensure lamp holder under general fashion upper fluorescent tube at lower burning-point time fluorescent tube top cold junction glass-tube be close to the inwall of lampshade bottom all the time.
Finally carry out ageing test.Under band is coated with and whitewashes cover condition in sharpening sand, color rendering index Ra > 82, color tolerance < 3SDCM, light leads to more than 800lm, light efficiency about 73lm/W, about input power 11W; Switch life > 15000 times, lumen depreciation burning-point 2000h > 95%, designed life 15000h; Climb 60 seconds > 60% normal light lead to.Technical indicator is with cover power saving fluorescent lamp CFL international most advanced level at present.
Example 2
The band cover electricity-saving lamp of small-power candle type, ball alveolitoid or other shapes.
The feature of this kind of band cover power saving fluorescent lamp is that volume is little, power is little, it is also not high that light leads to designing requirement index, because also only accomplish 40W in this kind of lamp maximum power of ordinary incandescent lamp series, light efficiency about 10lm/W, electricity-saving lamp independently declares that alternative 40W incandescent lamp GB standard (identical with EU criteria) requires > 432 lumen.But the threshold of this GB standard is not little concerning difficulty conventional belt cover electricity-saving lamp technology yet, and main cause is that the sub-intracavity space of this kind of band cover lampshade is little, select U-shaped fluorescent tube or its length of helical lampl all very limited, light efficiency can not do; Designer is led to obtain a normal light, and unique selection is exactly that lamp power designs is large, as the light in order to obtain > 432 lumen in small-sized candle type cell-shell leads to, and design lamp power 9W; In this case, the input power that each cubic units of band cover lamp cumulative volume is born has been far longer than the situation of above-mentioned example 1, and therefore the temperature of lamp works environment is also higher than the situation of above-mentioned example 1; The working temperature of main amalgam has to select the high-temperature amalgam of more than 100 DEG C.
But in case of the solution according to the inven-tion, design this kind of lamp be first determine that fluorescent tube caliber selects the superfine pipe diameter glass-tube of T1 ~ T2mm, diameter is that 4.2mm is applicable to lamp power 2 ~ 5W, 4.7mm is applicable to lamp power 3 ~ 7W, 5.5mm is applicable to lamp power 5 ~ 9W, and more than 6.0mm is applicable to lamp power 7 ~ 11W; Carry out design and implementation making for 432 small-sized candle bulbs now:
Design and produce exposed conduit: select glass-tube diameter to be 5.5mm, tube design is spiral type, spiral overall diameter 30mm, spiral 4 circles, top one circle narrows down to 26mm (being convenient to reduce with candle cell-shell top dimension coordinate), and pitch 1.5mm is 373mm without the total length of the full helical lampl of pin.
Design and produce hollow billet:
Vertically connect a diameter at the beam pipe medium position at fluorescent tube top after being coated with diaphragm, dusting, roasted tube after exposed conduit cleaning baking and be about the transparent glass tube of 3mm as blast pipe and cold junction, then seal.
Design feeds titanium mercury 0.3mg ~ 0.6mgmg/ tubes, and after inserting in blast pipe by titanium mercury band, blast pipe end by air-tightness burned tip, and separately connects an arm exhaust use from middle part.
Being exhausted, after cathodic decomposition and activation, 4.5 ~ 6.5 torr high-purity argon gas are filled with to power saving fluorescent lamps.
Carry out high frequency for power saving fluorescent lamps and release mercury, titanium mercury band is continued 30 seconds by high-frequency heated to about 550 DEG C, and the total mercury namely in titanium mercury band is released about 60%; In such fluorescent tube, the initial mercury participating in electric discharge work is about 0.18 ~ 0.36mgmg, the mercury quantity that titanium mercury band retains is about 40%, namely 0.12mg ~ 0.24mg lays in mercury as one, progressively discharge extremely lentamente when fluorescent tube reaches the work of up to ten thousand hours, supplementary lamp works is normally to the consumption of mercury again.
Carry out the assembling of whole lamp and lampshade subsequently, fluorescent tube is bonding with plastic middle cover is firmly electrically connected electron plate and upper cover, lamp holder afterwards again, tries normally bright, finally assembles lampshade.The cold junction of this band cover fluorescent tube be generally pendency inside lampshade, just adjust according to actual test case the receipts mercury that the diameter of cold junction glass-tube and length meet cold junction, make fluorescent tube maintain a preferably mercury-vapor pressure.
Finally carry out ageing test: color rendering index Ra > 82, color tolerance < 3SDCM, light leads to more than 450lm, light efficiency about 65lm/W, about input power 7W; Switch life > 15000 times, lumen depreciation burning-point 2000h > 95%, designed life 15000h; Climb 60 seconds > 60% normal light lead to.
Simple induction and contrast
Adopt same model (as spiral, 2U, 3U or 4U etc.) fluorescent tube as comparison condition with same model specification lampshade, the above-mentioned example 1 and the example 2 that embody technical solution of the present invention have significant advantage than conventional art:
This technology can be accomplished maximum logical for light, and light efficiency is the highest.As among the general bubble shell (in whitewash) of a kind of A19 of being referred to as, conventional art adopts T2 fluorescent tube, caliber 7.8mm, with the Bi-In-Hg of working temperature > 80 DEG C as main amalgam (pure mercury quantity > 1mg/ tubes), indium net is as Auxiliary amalgam, and the blowing pressure of inert gas argon gas is 3.5 torrs; Its parameter designing is all very classical.Product mainly substitutes 60W incandescent lamp, and light is logical must reach more than 741lm.
Because above-mentioned design light efficiency is not high, fluorescent tube nominal power generally will design at 15W, and actual power is at more than 14W, and average light is connected with about 760lm, and light efficiency is upper and lower at 54lm/W;
The design adopts the glass-tube of 7mm caliber, and titanium mercury is to mercury 0.5mg/ tubes, and nominal power 12W, about actual power 11.5W, average light is led at 800lm, and light efficiency 70lm/W is upper and lower.Average light efficiency compares conventional art and exceeds close to 30%, is therefore saves energy more.
Climb faster, conventional art generally needed for 100 seconds and reach normal light logical 60%, this technology just can reach less than 60 seconds; And a transient state of opening, the fluorescent tube that conventional art makes is not that whole fluorescent tube is light, but first bright from the position of top indium net release mercury, and slowly whole fluorescent tube is just light; The product sold to people mutually bad (reason is in noted earlier).The fluorescent tube of this fabrication techniques is pipe of turning on light, and whole fluorescent tube is all bright, and what difference naked fluorescent tube does not have, and gives cool and refreshing air sensation.
Inject the mercury quantity of fluorescent tube different, conventional art is more than 1mg/ props up, and technical scheme of the present invention only 0.5mg/ is propped up, and than few more than 50% of conventional art, alleviates fluorescent tube and discards the pressure that rear mercury reclaims, be conducive to environmental protection.
Design useful life and the absolute life time of the embodiment of what is more important technical solution of the present invention improve all greatly.Because the light efficiency of conventional art is not high, the mandatory light that will reach 741lm leads to again, lamp power has to design high level, therefore in limited lampshade volume, the high especially lamp hole temperature that causes of temperature remains high, in fluorescent tube, fluorescent material average operating temperature is more than 120 DEG C, and aging fast brightness decay is large, and the sodium in glass-tube glass is also extremely active, the factor impacts such as fluorescent tube melanism quickening, lumen depreciation is very low; After burning-point 1000h, lumen depreciation is difficult to remain on more than 80%; Electronic device especially electrochemical capacitor actual work temperature often improves or reduces by 10 DEG C, and its useful life reduces or doubles; Also as easy as rolling off a logly after other components and parts working temperature height of the whole lamp of electronics to be out of order.Therefore, this lamp of traditional design, Life Design is 3000h.
And this Technology design is 12000h, after burning-point 3000h, lumen depreciation is also up to 90%, is one of sharpest edges comparing conventional art.
Achieve the object using Low temp amalgam to make band cover power saving fluorescent lamp according to the abovementioned embodiments of the present invention.And in the dispose procedure of low temperature mercury, retain a part of low temperature mercury lay in mercury as fluorescent tube in amalgam, slowly automatically discharge to make it may reach in the course of work of up to ten thousand hours at fluorescent tube, thus supplement the consumption in operation of fluorescent tube mercury.The shape of power saving fluorescent lamps must be improved, and namely obtaining blind tail as cold junction must add, and provide not only the deposit space of mercury, and achieves the outer fast loose of fluorescent tube cold junction heat, maintains optimum mercury pressure power during lamp works.The band cover power saving fluorescent lamp of the use Low temp amalgam of formation like this achieves that brightness climbing speed is fast, light efficiency is high, the technique effect of long service life.
Obvious to those skilled in the art, various amendment and distortion can be carried out to the present invention without departing from the scope of the invention.It will be appreciated by persons skilled in the art that described embodiment is only for illustration of the present invention, instead of restriction the present invention; The present invention is not limited to described embodiment, but only limited by claims.
Claims (9)
1. one kind uses the band cover power saving fluorescent lamp (100) of Low temp amalgam, comprising:
Lamp holder (11), the upper cover (12) be connected with described lamp holder (11), the control circuit board (13) be included in described upper cover (12), fluorescent tube (140), lampshade (15) and the jockey (160) by lampshade (15) and upper cover (12) airtight connection; It is characterized in that, wherein
The blind tail (Pa, Pb, Pc, Pd) that described fluorescent tube (140) comprises lamp tube main body and is connected with described lamp tube main body, the inwall of described blind tail (Pa, Pb, Pc, Pd) does not apply fluorescent material, as the extension cold junction of described fluorescent lamp;
Low temp amalgam is injected with in described fluorescent tube (140); And
The low temperature mercury quantity sum of the low temperature mercury quantity that the injection rate of the low temperature mercury in described Low temp amalgam equals initial release and the deposit continuity extremely slow releasing in fluorescent tube and with the lamp works time.
2. the band cover power saving fluorescent lamp (100) of use Low temp amalgam according to claim 1, wherein, described blind tail (Pa, Pb, Pc) contacts with the inwall of described lampshade (15).
3. the band cover power saving fluorescent lamp (100) of use Low temp amalgam according to claim 1, the Low temp amalgam be wherein infused in fluorescent tube is titanium amalgam (Ti-Hg).
4. the band cover power saving fluorescent lamp (100) of use Low temp amalgam according to claim 1, wherein said blind tail (Pa, Pb, Pc, Pd) is that length is not more than described fluorescent tube (140) radius of spin and diameter is not more than the glass tube of 2/3rds of described fluorescent tube (140) diameter.
5. the band cover power saving fluorescent lamp (100) of use Low temp amalgam according to claim 2, wherein said comprises micromatic setting by the jockey (160) of lampshade (15) and upper cover (12) airtight connection, for finely tuning the described relative position of fluorescent tube (140) in described lampshade (15), to make the blind tail (Pa, Pb, Pc) of described fluorescent tube (140) contact with the bottom interior wall of described lampshade (15).
6. the band cover power saving fluorescent lamp (100) of use Low temp amalgam according to claim 5, wherein said micromatic setting comprises and is provided in n keyway (161) on outer middle cover (A) periphery and correspondence and is provided in n slide key (162) on interior middle cover (B), when described fluorescent tube (140) and described interior middle cover (B) are fixing, the relative position of described fluorescent tube (140) in described lampshade (15) is regulated by the small vertically slip on described outer middle cover (A) periphery in n keyway (161) of described n slide key (162) of described interior middle cover (B), keep simultaneously described fluorescent tube all the time with the concentricity of described lampshade (15).
7. the band cover power saving fluorescent lamp (100) of use Low temp amalgam according to claim 6, wherein n is 3.
8. the band cover power saving fluorescent lamp (100) of use Low temp amalgam according to claim 6, in wherein relying on, middle cover (B) can realize the blind tail (Pa, Pb, Pc) of described fluorescent tube (140) to contact closely all the time with bottom the inwall of described lampshade (15) with the deadweight of fluorescent tube.
9., according to the band cover power saving fluorescent lamp (100) of one of any use Low temp amalgam of claim 1-8, wherein use the glass-tube of refinement to form fluorescent tube (140), to increase the length of fluorescent tube and to realize specular removal.
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| CN101794706A (en) * | 2009-12-31 | 2010-08-04 | 浙江阳光集团股份有限公司 | Energy-saving lamp with shade and assembly method thereof |
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| JP2005251449A (en) * | 2004-03-02 | 2005-09-15 | Matsushita Electric Ind Co Ltd | Low-pressure mercury vapor discharge lamp |
| JP2008059947A (en) * | 2006-08-31 | 2008-03-13 | Toshiba Lighting & Technology Corp | Self-ballasted fluorescent lamp, and illumination apparatus |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1905115A (en) * | 2006-08-04 | 2007-01-31 | 广东雪莱特光电科技股份有限公司 | Method for mfg. fluorescent tubes |
| CN101202198A (en) * | 2006-12-13 | 2008-06-18 | 陈宗烈 | New type non-filament florescent lamp working in brightness arc transition zone |
| CN201490153U (en) * | 2009-08-04 | 2010-05-26 | 盐城豪迈照明科技有限公司 | Ultro-fine caliber spiral thermic cathode fluorescent lamp with external casing glass cover |
| CN101794706A (en) * | 2009-12-31 | 2010-08-04 | 浙江阳光集团股份有限公司 | Energy-saving lamp with shade and assembly method thereof |
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