CN101377993A - Method and apparatus for sealing fluorescent lamp - Google Patents
Method and apparatus for sealing fluorescent lamp Download PDFInfo
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- CN101377993A CN101377993A CNA2008101267175A CN200810126717A CN101377993A CN 101377993 A CN101377993 A CN 101377993A CN A2008101267175 A CNA2008101267175 A CN A2008101267175A CN 200810126717 A CN200810126717 A CN 200810126717A CN 101377993 A CN101377993 A CN 101377993A
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- glass tube
- described glass
- sealing
- equipment
- blowtorch
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- APXZYWJATMOMHR-UHFFFAOYSA-N NC1CCCCCCCC1 Chemical compound NC1CCCCCCCC1 APXZYWJATMOMHR-UHFFFAOYSA-N 0.000 description 1
- RITMJFRKJVZOFH-UHFFFAOYSA-N OC1=C[CH]C=CC2=C[C]1C1=CC2=CC(CC2)=CC2=C1 Chemical compound OC1=C[CH]C=CC2=C[C]1C1=CC2=CC(CC2)=CC2=C1 RITMJFRKJVZOFH-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
- H01J9/26—Sealing together parts of vessels
- H01J9/265—Sealing together parts of vessels specially adapted for gas-discharge tubes or lamps
- H01J9/266—Sealing together parts of vessels specially adapted for gas-discharge tubes or lamps specially adapted for gas-discharge lamps
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
- H01J61/361—Seals between parts of vessel
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
- H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/38—Exhausting, degassing, filling, or cleaning vessels
- H01J9/395—Filling vessels
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2209/00—Apparatus and processes for manufacture of discharge tubes
- H01J2209/46—Handling of tube components during manufacture
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
A method for sealing a fluorescent lamp performs a first heating operation to heat a region of a glass tube in which a fluorescent material is coated, stretches the glass tube at the heated region, and performs a second heating operation to heat the stretched region of the glass tube.
Description
Technical field
One or more embodiment relates to luminescent device and their manufacture method.
Background technology
LCD (LCD) is a kind of use back light unit (BLU) clearly provides image on screen a non-light emitting-type device.The light source that is used for back light unit can be the fluorescent lamp with several mm dias.The example of such fluorescent lamp comprises cold-cathode fluorescence lamp (CCFL) and external-electrode fluorescent lamp (EEFL).
Summary of the invention
The invention provides a kind of method that is used for sealing fluorescent lamp, comprising: carry out first heating operation, heating the inside has applied the zone on the glass tube of fluorescent material; Draw and be heated the described glass tube of location; And carry out second heating operation, draw the zone with the quilt that heats described glass tube.
The present invention also provides a kind of equipment that is used for sealing fluorescent lamp, comprising: installation component is used for the glass tube that the rotatably support the inside has applied fluorescent material; Exhaust unit is used for discharging gas through the first end of described glass tube; Gas injects the unit, is used for the described first end injecting gas through described glass tube; And terminal separative element, be used to heat and seal the second end of described glass tube.
The present invention also provides a kind of equipment that is used for sealing fluorescent lamp, comprising: the stationary roll part is used to support and rotate the glass tube that the inside has applied fluorescent material; The mobile rollers part is partly separated with described stationary roll, is used for supporting and rotates described glass tube; Be used to heat the heater of described glass tube; And movable link, be used for along the vertical equity of described glass tube move the described mobile rollers part that is keeping described glass tube, to draw the described glass tube that is in the semi-molten state.
Description of drawings
Fig. 1 and Fig. 2 are the schematic diagrames of the fluorescent lamp of expression several types.
Fig. 3 is expression at the schematic diagram of the cutaway view of the coated technique of Fig. 1,2 lamp and sealing technology to Fig. 5.
The schematic diagram of the cutaway view of Fig. 6 temporary sealing technology that to be expression carry out at Fig. 1,2 lamp.
Fig. 7 is illustrated in the schematic diagram of cutaway view that tubule in the process that forms aforementioned lamps is incorporated into the state of glass tube end.
Fig. 8 is the schematic diagram how indication lamp can seal in its end to Figure 10.
Figure 11 is that expression is used for above-mentioned glass tube is carried out the schematic diagram of the air locking of exhaust and sealing.
Figure 12 is the schematic diagram that expression is used for cutting the sealing cutting equipment of the sealing in the pipe to Figure 14.
Figure 15 is the flow chart of step that expression is included in an embodiment of the method that is used for sealing fluorescent lamp.
Figure 16 is the schematic diagram of front view that expression is used for the equipment of sealing fluorescent lamp.
Figure 17 is the schematic diagram of another embodiment that expression is used for the equipment of sealing fluorescent lamp.
Figure 18 and Figure 19 are the schematic diagrames of the expression auxiliary chuck that can use together with equipment shown in Figure 17.
Figure 20 is the schematic diagram of the operation of expression Figure 17 apparatus shown to Figure 25.
Figure 26 is the schematic diagram of another embodiment that expression is used for the equipment of sealing fluorescent lamp.
Figure 27 and Figure 28 are the schematic diagrames of the major part of the expression equipment that is used to seal fluorescent lamp shown in Figure 26.
Figure 29 is the schematic diagram of the operation of the expression equipment that is used to seal fluorescent lamp shown in Figure 26 to Figure 32.
Embodiment
Fig. 1 represents one type cold-cathode fluorescence lamp 10, and it comprises long glass tube 11, positive electrode 12 and negative electrode 13.Electrode installs to the respective end of glass tube, and lead-in wire 16 stretches out from the end and is connected respectively to electrode.Fluorescent material 14 is coated on the inwall of pipe, and the mist that contains such as the inert gas of mercuryvapour, argon gas and neon is filled in the inner space 15 of pipe.
Fig. 2 represents to have one type external-electrode fluorescent lamp 20 of glass tube 21.Two ends of glass tube are all sealed, and electrode 22 and 23 is set as and surrounds the end from the outside.In glass tube, form electric field by electrode, to cause gas discharge.Fluorescent material 24 is coated on the inwall of glass tube, and the mist that contains such as the inert gas of mercury vapor, argon gas and neon is filled in the inner space 25 of pipe.
In order to make lamp 10 or 20, used different technology that fluorescent material is coated onto inboard and in case the coating back sealing pipe end of glass tube.In coated technique, glass tube 21 is prepared as shown in Figure 3, and then as shown in Figure 4, fluorescent material 24 is applied to the inboard of glass tube, then adds thermally-stabilised.
Below, as shown in Figure 5, the first end 21b of pipe heats to seal this pipe with blowtorch T when pipe is rotated.Then, before the technology of the second end 21a of sealed tube, as shown in Figure 6, when pipe is rotated, carry out the preliminary treatment that is used for from the heat seal " sealing area " of blowtorch T, to form interim sealing area 26.Other mode is that preliminary treatment can comprise that the tubule 27 that will have minor diameter installs to the second end 21a of pipe, as shown in Figure 7.
Carrying out preliminary treatment is for reducing the diameter of glass tube in advance.Carrying out this prior step is because in the process of sealing the second end, and glass tube is fixed to the head that is connected to gas exhaust piping or mercury filling line and therefore can not rotates glass tube in these cases.Utilize preliminary treatment, can need not to seal rotationally the second end.The diameter of temporary sealing zone 26 or tubule 27 can be about 4mm.
After finishing preliminary treatment, carry out the technology of sealed glass tube the second end as shown in Figure 7, this will describe with reference to accompanying drawing 8～10 below in more detail.
At first, as shown in Figure 8, the end of tubule 27 is installed on the head 31.The pipeline 33 (hereinafter referred to as " mercury filling line ") that this head is connected to the pipeline 32 (hereinafter referred to as " gas exhaust piping ") that is used for air-out and inert gas injecting and is used to inject liquid mercury.Before inert gas injecting, inject the technology and the exhaust air technique of Clean-gas repeatedly several times, with the inboard of cleaning glass pipe.Behind inert gas injecting and the mercury, this end of tubule 27 is heated to finish sealing technology (seeing Fig. 9,10) by blowtorch T.
The sealing technology of the second end uses equipment shown in Figure 11 to carry out.As shown in the figure, this equipment uses head 31 to keep tubule 27, gas exhaust piping 32 and mercury filling line 33.
Because before the second end of sealed glass tube, require to carry out preliminary treatment or tubule combination seal, so, above-mentioned complex process.This technology may make also pipe be easy to gas leakage or damage that therefore, the quality of final products may be inconstant, especially owing to the technology of sealing tubule is undertaken by the workman is manual.In addition, also have a problem to be, owing to temporary sealing zone or tubule inwall when injecting liquid mercury may be stained with liquid mercury, so be difficult to supply quantitatively mercury.
And although the two ends of glass tube shown in Figure 10 are all sealed, the part of tubule is still keeping.In order to remove this unnecessary portions and to form desirable shape, must in the sealing cutting equipment, seal cutting technique.
Figure 12～14 show one type of sealing cutting equipment 40.This equipment comprises a plurality of rotor plates 41 that are arranged in by one overlapping one of double mode.Each rotor plate all comprises the groove 41a that is used to transmit glass tube 21.When between the rotor plate that glass tube is overlapping each other, glass tube is disposed in the blowtorch T heating under it.In this state, when rotor plate was rotated, glass tube was received in groove 41a and goes up and be sent to next part in the overlapping plates.Below the next part in this overlapping plates, can also arrange other blowtorch T, and heating glass pipe once more.In the manner described above, glass tube is heated about 10 times, finishes the sealing cutting technique then.
Figure 15 represents to be used for a step that embodiment comprises of the method for sealing fluorescent lamp.For sealing fluorescent lamp, at first the heating the inside has been coated with the glass tube (S100, first heating steps) of fluorescent material.At this moment, be heated the zone corresponding glass tube end to be sealed.And, preferably, when rotating glass tube, carry out first heating steps (S100), make pipe to heat equably.
When glass tube is heated to predetermined temperature when above, glass melting.At this moment, drawing glass tube (S200 draws step) based on the both sides that are heated the zone.When drawing this pipe, the diameter that is heated the zone becomes littler.When glass tube is drawn into suitable degree, the diameter of the diameter in the temporary sealing zone of describing with reference to Fig. 6 above its diameter can equal 26 or the top tubule of describing with reference to Fig. 7 27.In order to prolong zone, carry out the step of in wide region heating glass pipe, fully drawing this glass tube with diameter reduction.In order to finish this step, although can increase the thermal source area that is used for the heating glass pipe,, can be in heating process mobile along the longitudinal single source.
When the glass tube of a part through drawing step (S200) and attenuating during by heating (S300, second heating steps) once more, the pipe that attenuates is melted and closed tube, finishes the sealing technology of pipe thus.Though can being located away from first heating steps (S100), second heating steps (S300) carries out,, drawing step (S200) can carry out in the heating steps process of pipe.Therefore, second heating steps (S300) can be counted as the heating steps on first heating steps (S100) extended line.That is, finish first heating steps (S100) and drawing step (S200) cooled glass pipe afterwards if necessary, second heating steps (S300) is exactly the step that is located away from first heating steps (S100) fully so.But if there is no need, second heating steps (S300) can be used as the extension of first heating steps (S100) to carry out.
The method of this sealing fluorescent lamp can be carried out after the mist injection glass tube that will contain such as inert gases such as mercury, argon, neon.That is, at first heating steps (S100) before, an end of glass tube is sealed, then, carries out discharging the gas in the glass tube and mist being injected the technology of glass tube through the other end of an end sealed glass pipe.Next, the described other end of heating glass pipe in first heating steps (S100) draws this heated other end then in drawing step (S200).Subsequently, the other end that draws of this quilt is heated up to this other end in second heating steps (S300) and is closed.As a result, just can seal the glass tube that fluorescent material and mist have been filled in the inside.
Before mist is injected the technology of glass tube, can carry out the gas in the discharge pipe and inject the technology of Clean-gas to the inside.And, in order to reduce thermal impact at the glass tube quality, each step in first heating steps (S100) and second heating steps (S300) can be divided into what hang down heating glass pipe under a little temperature and preheats step and the heating steps of heating glass pipe under a little temperature of height.
Figure 16 shows the fluorescent lamp that can be used for according to previous embodiment and carries out apparatus for sealing.This equipment comprises thermal source 110, bearing unit 120 and drive unit 130.
A pair of bearing unit 120 provides the supporting to the respective side of glass tube, and in can deciding round the position of thermal source.For even heating tube, this is to bearing unit supporting glass pipe movably.
The equipment of Figure 16 can be modified carrying out various differences or additional function, and/or comprise other or optional feature.For example, the equipment of Figure 16 can be as sealing cutting equipment and water-tight equipment.In other embodiments, this equipment can be used for discharging in the glass tube gas and/or inject mist to the inside, dissimilar sealing cutting equipments perhaps can be provided.
Figure 17 shows another embodiment of the equipment that is used for sealing fluorescent lamp, and Figure 18 and Figure 19 show the auxiliary chuck that can use together with this equipment.The equipment of Figure 17 comprises first sealing device of the first end 21b that is used for sealed glass tube 21 and is used to seal second sealing device 200 of the second end 21a of this glass tube.First sealing device sealing device with shown in Figure 5 basically is identical, perhaps can be similar to part second sealing device.
Second sealing device comprises installation component 210 and terminal (tip-off) unit 240 that separates.Installation component keeps the second end 21a of glass tube and rotationally corresponding to any one of bearing unit shown in Figure 16 120 centerings.More particularly, installation component can comprise the joint 212 that the housing 211 that is connected to gas exhaust piping 220 and mercury filling line 230, being used for of being connected in the housing the inside rotationally keep the head 213 of glass tube and be used for connecting rotationally at housing head 213.Can rotate this head with drive source.
Terminal separative element 240 comprises body 241, blowtorch 243 and is used for keeping rotationally the chuck 242 of glass tube.Blowtorch can be corresponding to the thermal source among Figure 16 110, and chuck 242 can be corresponding to another of bearing unit 120 centerings of Figure 16.That is, installation component 210 and chuck 242 can be corresponding to the bearing units 120 of Figure 16.
Distance between blowtorch and the body (chuck 242) can be regulated with lift component 244.Accordingly, the hot spot of glass tube can be adjusted by regulating this distance.Lift component can be corresponding to the device that is used for driving heat source 110 among Figure 16.
Referring to Figure 18, in order to keep glass tube rotationally, chuck can comprise a pair of arm 242a and the end that is arranged on arm and a plurality of roller 242b that roll and contact with glass tube.Each roller 242b can be a dummy roll, and preferably, comprises friction members such as being arranged on its lip-deep urethanes.Referring to Figure 19, in operation, arm 242a is close mutually so that glass tube is remained between the roller 242b to quilt.
Describe with reference to Figure 20～25 below and be used for fluorescent lamp shown in Figure 17～19 is carried out apparatus for sealing.At first, execution is coated in glass tube inboard and the technology of roasting fluorescent material and the technology of sealed glass tube first end with fluorescent material.These technologies can be identical with the technology shown in Fig. 3～5.
Next, the glass tube with first end of sealing is installed on the head 213, does not carry out the preliminary treatment shown in Fig. 6,7.Then, carry out to inject and discharge the technology of Clean-gas and the technology (seeing Figure 20) of inert gas injecting and liquid mercury.Owing to do not use temporary sealing zone or tubule,, therefore, can provide the mercury of q.s so liquid mercury does not stick on the inwall of pipe.
Simultaneously, owing to head is arranged in the housing 211 that is connected in gas exhaust piping 220 and mercury filling line 230 rotationally, so the head 213 that glass tube can be rotated rotates.When glass tube was rotated, sealing area was heated by blowtorch 243.At this moment, the bottom (Figure 21) of chuck 242 maintenance glass tubes.Chuck is configured to can not interfere the rotation of glass tube.
When sealing area is heated to the semi-molten state, when chuck is parked in its position, slightly blowtorch is shifted to the second end (Figure 22).Then, utilize chuck 242 and blowtorch 243 past move down of driver element (not shown) with terminal separative element 240, the sealing area that is in the glass tube of semi-molten state is then drawn, and the result is attenuated (Figure 24).By continuing the heated sealant zone with blowtorch, as shown in figure 25, the second end 21a of glass tube is sealed.
Figure 26 shows the 3rd embodiment of the equipment 300 that is used for sealing fluorescent lamp, and Figure 27,28 shows the part of this equipment.This equipment (also can be called as the sealing cutting equipment) comprises stationary roll part 310, variable roller segment 320, heater 330 and movable link 360.Stationary roll partly supports and rotates glass tube 21, and 320 supportings of mobile rollers part and rotation glass tube draw the glass tube that is in the semi-molten state simultaneously.Stationary roll part and mobile rollers part can be counted as corresponding to the bearing unit among Figure 16 120.
Heater is arranged between stationary roll part 310 and the variable roller segment 320, is used for heating, seals, seals the glass-cutting pipe.Heater can be counted as corresponding to the thermal source among Figure 16 110.
And, provide to be used for regulating the gauge 350 of glass tube length according to the predetermined length of fluorescent lamp to be produced.Gauge can be moved with the change corresponding to lamp length, perhaps adapts to the different types of pipe with different length.
Referring to Figure 27, stationary roll part 310 comprises a pair of driven roller 311 and 312 of the supporting glass pipe 21 that is used for making progress when rotating.Can comprise dummy roll 313, be used for being pressed in the glass tube that receives in the overlapped zone of driven roller downwards.Preferably, driven roller and dummy roll comprise friction members such as being arranged on its lip-deep urethanes.Variable roller segment 320 can form as stationary roll part 310.
Referring to Figure 28, when dummy roll 313 was moved downward the pressure glass tube, pipe was rotated under the effect that driven roller 311,312 rotates.And a plurality of blowtorch 331-334 can be arranged under the glass tube that is supported by stationary roll part 310.These blowtorch can be used for the first end of sealed glass tube, and blowtorch 333,334 can be as the cutting blowtorch in the glass tube the second end sealing cutting process.
And the first, the 3rd blowtorch can be used as the preheating blowtorch, and the second, the 4th blowtorch 332,334 can be used as heating torch.The second, the 4th blowtorch can apply than the first, the 3rd blowtorch more heat.If desired, can be provided for loading or be discharged in the conveyer of first blowtorch to the, four blowtorch 331～334 under the glass tube 21.
The operation of the equipment (Figure 26) that is used for sealing fluorescent lamp is described below with reference to Figure 29～32.At first, the glass tube 21 with hermetic terminal is received on stationary roll part 310, variable roller segment 320 and the supporting member 342 and is fixed on (Figure 29) here.At this moment, use the gauge of regulating in advance according to fluorescent lamp length 350 to regulate the position of glass tube.
Then, the rotation of glass tube by the driven roller of stationary roll part 310 and variable roller segment 320 is rotated and heated by heater 330.Heater is arranged between stationary roll part and the variable roller segment, is used for heating glass pipe (Figure 30).At this moment, preheating blowtorch preheating glass tube, heating torch is heated to certain predetermined extent with glass tube then.
When glass tube be heated zone 28 when being in the semi-molten state, stationary roll is partly stayed on its position, and variable roller segment keeps glass tube and along continuous straight runs to move to draw glass tube.When variable roller segment was moved horizontally, the zone 28 that is heated that is in the glass tube of semi-molten state attenuated and is drawn (Figure 31).
Even at this state, glass tube also is rotated further, and, if heat continues to impose on glass tube, can remove unnecessary regionally 29 so, simultaneously, form the desirable shape of the second end 21a.
If desired, sealing cutting equipment 300 can also be carried out the sealing technology of glass tube first end except the sealing cutting technique.When using in such a way, the inside coating and the glass tube that has heated fluorescent material be fixed roller segment 310, variable roller segment 320 and supporting member 341,342 supportings and fixing.In this state, the driven roller of stationary roll part and mobile rollers part is rotated to rotate glass tube.
Next, first blowtorch 331 is loaded in the beneath with the preheating glass tube of glass tube first end by conveyer.When glass tube was preheating to certain predetermined extent, first blowtorch was unloaded, and second blowtorch 332 is loaded the heating glass pipe, thus, finished the sealing technology of glass tube first end.
So, one or more embodiment described herein provides and has been used for the method and apparatus of sealing fluorescent lamp, wherein, after the first end of fluorescent lamp is sealed, the second end of fluorescent lamp can directly be sealed, and need not any step process just such as temporary sealing technology or additional tubule technology.These embodiment can also use first end, the sealing the second end of same equipment sealed glass tube, and carry out the sealing cutting technique, need not glass tube is sent to the individual processing position.
According to an embodiment, a kind of method that is used for sealing fluorescent lamp comprises: the heating the inside has applied the part (first heating steps) of the glass tube of fluorescent material; Draw round being heated the glass tube of zone in fixed; And the quilt of heating glass pipe draws zone (second heating steps).This method can also comprise: before first heating steps, end of sealed glass tube, gas in another end discharging glass tube of the glass tube of an end seal and inject mist then to the inside, and in first heating steps, this other end of glass tube can be heated.
In the step of injecting mist, after the gas in discharging glass tube, before injecting mist, Clean-gas can be injected glass tube.When rotating glass tube, can carry out at least one step in first, second heating steps.At least one step in first, second heating steps can comprise: the part of glass tube is preheating to predetermined temperature, then the regenerator section of glass tube is heated to above the temperature of described predetermined temperature.In first heating steps, thermal source can vertically moving along glass tube.
According to another embodiment, a kind of equipment that is used for sealing fluorescent lamp comprises: be used to heat the thermal source that the inside has applied the glass tube of fluorescent material; Be arranged on a pair of bearing unit of thermal source both sides in order to the supporting glass pipe; And be used to change described bearing unit between the driver element of distance.Bearing unit can the rotatably support glass tube.Thermal source can be arranged to vertically moving along glass tube.
According to another embodiment, a kind of equipment that is used for sealing fluorescent lamp comprises: be used for the installation component that the rotatably support the inside has applied the glass tube of fluorescent material; Be used for discharging the exhaust unit of the gas of glass tube through an end of glass tube; Be used for the gas that gas injects glass tube being injected the unit through the described end of glass tube; And be used to heat and the terminal separative element of sealed glass tube.Installation component can comprise housing, be used for keeping the head of glass tube, be used for the drive source that connects the joint of head rotationally and be used for rotation head at housing.
The equipment that is used for sealing fluorescent lamp can also comprise gas exhaust piping and the gas filling line that is connected in housing.Terminal separative element can comprise the blowtorch that is used for the heating glass pipe and be used for keeping rotationally the chuck of glass tube.Chuck can comprise the roller that rolls and contact with glass tube.This equipment that is used for sealing fluorescent lamp can also comprise and is arranged on the lip-deep friction member of roller.Blowtorch can be configured to be independent of chuck and vertically move along glass tube.This equipment that is used for sealing fluorescent lamp can also comprise the driver element that is used for vertically moving along glass tube terminal separative element.
According to another embodiment, a kind of equipment that is used for sealing fluorescent lamp comprises: be used to support and rotate the stationary roll part that the inside has applied the glass tube of fluorescent material; The mobile rollers part of partly separating and be used to support and rotate glass tube with stationary roll; The heater that is used for the heating glass pipe; And movable link, draw the glass tube that is in the semi-molten state thereby be used for moving the mobile rollers part that is keeping glass tube along the glass tube vertical equity.
The stationary roll part can comprise and be used to support and rotate a pair of driven roller of glass tube and be used for to the dummy roll that presses down glass tube.Mobile rollers part can comprise and is used to support and rotate a pair of driven roller of glass tube and to the dummy roll that presses down glass tube.
The equipment that is used for sealing fluorescent lamp can also comprise and is arranged on driven roller or the lip-deep friction member of dummy roll.Friction member can be made by urethanes.Heater can comprise at least one blowtorch.Heater can comprise sealing blowtorch and sealing cutting blowtorch.The sealing blowtorch can comprise first blowtorch that is used for preheating glass tube sealing area and be used to heat second blowtorch of the sealing area of preheating with the sealed glass tube first end.
Sealing cutting blowtorch can comprise the 3rd blowtorch that is used for preheating glass tube sealing area and be used to heat four blowtorch of the sealing area of preheating with the sealed glass tube the second end.
The equipment that is used for sealing fluorescent lamp can also comprise the conveyer that is used to load or be discharged in the beneath blowtorch of glass tube.The equipment that is used for sealing fluorescent lamp can also comprise the gauge that is used to regulate the glass tube " loaded " position.
By after first end is sealed, before the sealing fluorescent lamp the second end, remove one or more first step process such as temporary sealing technology or additional tubule technology, therefore previous embodiment can be used to reduce the process time.As a result, this equipment is simplified.And, utilize the automation of the second end sealing technology, use embodiment disclosed herein, can guarantee the homogeneity of product and prevent security incident.
Further, can prevent that liquid mercury from sticking on the temporary sealing zone.In addition, the sealing cutting technique of the sealing technology of glass tube first end and the second end thereof can be enough same equipment carry out, and need not to transmit glass tube and just can carry out the sealing cutting technique.So this equipment is simplified, the process time is shortened, and can prevent glass tube breaks.
The place of any speaking of " embodiment ", " embodiment ", " illustrative example " etc., the meaning are to be contained among at least one embodiment of the present invention in conjunction with concrete member, structure or characteristics that this embodiment describes.Differ to establish a capital at this specification this expression form everywhere and refer to identical embodiment.And when describing concrete member, structure or characteristics in conjunction with any embodiment, what advocated is, realizes that in conjunction with other embodiment such member, structure or characteristics drop in those skilled in the art's the scope.
Although embodiments of the present invention are described with reference to a plurality of explanatory embodiment of the present invention, but, should be understood that those skilled in the art can design multiple other improvement and embodiment, these improve and embodiment will drop in the spirit and scope.More particularly, in the scope of aforementioned open, accompanying drawing and claim, can make rational modification and improvement aspect the layout of parts and/or subordinate composite configuration, and can not break away from spirit of the present invention.Except the modification and the improvement of parts and/or layout aspect, to those skilled in the art, other use also is tangible.
Claims (20)
1. method that is used for sealing fluorescent lamp comprises:
Carry out first heating operation, with the zone on the glass tube that has applied fluorescent material inside the heating;
Draw and be heated the described glass tube of location; And
Carry out second heating operation, draw the zone with the quilt that heats described glass tube.
2. the method for claim 1 also comprises:
Before described first heating operation, seal the first end of described glass tube; And
Discharge gas and mist is injected described glass tube through the second end of described glass tube, wherein, described first heating operation heats the second end of described glass tube.
3. the step of the method for claim 1, wherein described injection mist is included in after the gas of discharging described glass tube, before injecting described mist, Clean-gas is injected described glass tube.
4. the method for claim 1, wherein when rotating described glass tube, carry out at least one operation in described first heating operation and described second heating operation.
5. at least one operation in the method for claim 1, wherein described first heating operation and described second heating operation comprises:
Described glass tube is preheating to predetermined temperature; And
The glass tube of preheating is heated to above the temperature of described predetermined temperature.
6. the method for claim 1, wherein described first heating operation comprises the thermal source that vertically moves along described glass tube.
7. equipment that is used for sealing fluorescent lamp comprises:
Installation component is used for the glass tube that the rotatably support the inside has applied fluorescent material;
Exhaust unit is used for discharging gas through the first end of described glass tube;
Gas injects the unit, is used for the described first end injecting gas through described glass tube; And
Terminal separative element is used to heat and seal the second end of described glass tube.
8. equipment as claimed in claim 7, wherein, described installation component comprises:
Housing;
Be used to keep the head of described glass tube;
Be used for connecting rotationally the joint of described head at described housing; And
Be used to rotate the drive source of described head.
9. equipment as claimed in claim 8 also comprises:
Be connected in the gas exhaust piping and the gas filling line of described housing.
10. equipment as claimed in claim 7, wherein, described terminal separative element comprises:
Be used to heat the blowtorch of described glass tube; And
Be used for keeping rotationally the chuck of described glass.
11. equipment as claimed in claim 10, wherein, described chuck comprises the roller that rolls and contact with described glass tube.
12. equipment as claimed in claim 11 also comprises:
Lip-deep friction member at described roller.
13. equipment as claimed in claim 10, wherein, described blowtorch is configured to be independent of described chuck vertically moving along described glass tube.
14. equipment as claimed in claim 10 also comprises:
Driver element is used for along the described terminal separative element of vertically moving of described glass tube.
15. an equipment that is used for sealing fluorescent lamp comprises:
The stationary roll part is used to support and rotate the glass tube that the inside has applied fluorescent material;
The mobile rollers part is partly separated with described stationary roll, is used for supporting and rotates described glass tube;
Be used to heat the heater of described glass tube; And
Movable link, be used for along the vertical equity of described glass tube move the described mobile rollers part that is keeping described glass tube, to draw the described glass tube that is in the semi-molten state.
16. equipment as claimed in claim 15, wherein, described stationary roll partly comprises:
Be used to support and rotate a pair of driven roller of described glass tube; And
Be used for to the dummy roll that presses down described glass tube.
17. equipment as claimed in claim 15, wherein, described mobile rollers partly comprises:
Be used to support and rotate a pair of driven roller of described glass tube; And
Be used for to the dummy roll that presses down described glass tube.
18. equipment as claimed in claim 16 also comprises:
At described driven roller or the lip-deep friction member of described dummy roll.
19. equipment as claimed in claim 15, wherein, described heater comprises sealing blowtorch and sealing cutting blowtorch.
20. equipment as claimed in claim 19, wherein, described sealing blowtorch comprises:
First blowtorch is used for the sealing area of the described glass tube of preheating; And
Second blowtorch is used to heat the sealing area of described preheating, sealing the first end of described glass tube,
And wherein said sealing cutting blowtorch comprises:
The 3rd blowtorch is used for the sealing area of the described glass tube of preheating; And
The 4th blowtorch is used to heat the sealing area of described preheating, to seal the second end of described glass tube.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020070088205A KR100907632B1 (en) | 2007-08-31 | 2007-08-31 | Fluorescent lamp sealing method and apparatus |
| KR1020070088205 | 2007-08-31 | ||
| KR1020070088210 | 2007-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101377993A true CN101377993A (en) | 2009-03-04 |
Family
ID=40421475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101267175A Pending CN101377993A (en) | 2007-08-31 | 2008-06-20 | Method and apparatus for sealing fluorescent lamp |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100907632B1 (en) |
| CN (1) | CN101377993A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783472A (en) * | 2016-12-08 | 2017-05-31 | 安徽世林照明股份有限公司 | A kind of sealing process of fluorescent tube |
| CN113823548A (en) * | 2020-06-18 | 2021-12-21 | 常熟林芝电子技术有限公司 | Preparation method of quartz glass bulb of automobile lamp |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000021312A (en) * | 1998-06-30 | 2000-01-21 | Toshiba Lighting & Technology Corp | Manufacture of high pressure discharge lamp and its device |
| KR20040096808A (en) * | 2004-07-15 | 2004-11-17 | 조정열 | Method of manufacturing external electrode fluorescent lamps having various shapes and sizes and glass tube unit structure used for the method |
-
2007
- 2007-08-31 KR KR1020070088205A patent/KR100907632B1/en not_active IP Right Cessation
-
2008
- 2008-06-20 CN CNA2008101267175A patent/CN101377993A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783472A (en) * | 2016-12-08 | 2017-05-31 | 安徽世林照明股份有限公司 | A kind of sealing process of fluorescent tube |
| CN113823548A (en) * | 2020-06-18 | 2021-12-21 | 常熟林芝电子技术有限公司 | Preparation method of quartz glass bulb of automobile lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100907632B1 (en) | 2009-07-15 |
| KR20090022660A (en) | 2009-03-04 |
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Open date: 20090304 |