KR20100022389A - Burning apparatus for fluorescent lamp - Google Patents

Abstract

PURPOSE: A burning apparatus for fluorescent lamp is provided to improve efficiency by improving the structure of a plastic process and reducing a space required for the plastic process. CONSTITUTION: A bulb supplier(210) supplies the appropriate amount of a bulb. A feeding unit(220) comprises a bulb container accepting the bulb. A burning furnace(230) offers a feeding path of the bulb container in a vertical direction. A cooling unit cools the bulb in the bulb container transferred to the feeing unit. A storage unit(250) stores the bulb in the bulb container.

Description

Lighting apparatus for fluorescent lamp

The present invention relates to a fluorescent lamp firing apparatus, and more particularly, to a fluorescent lamp firing apparatus designed to reduce the area required for the firing process by improving the firing process structure of the fluorescent lamp during firing of the fluorescent lamp and to improve the firing efficiency. It is about.

Among the flat panel display devices, since the liquid crystal display device is a non-light emitting device that does not emit light by itself, a backlight device for providing a separate light source is required.

In such a backlight unit, a fluorescent lamp having a diameter of several mm is used. Cold fluorescent lamps (Cold Cathode Fluorescent Lamp), external electrode fluorescent lamps (External Electrode Fluorescent Lamp) and the like are used for this fluorescent lamp.

Referring to the general structure of the cold cathode fluorescent lamp 10, as shown in Fig. 1a, a bulb 11, which is a long glass tube, and an anode 12 and a cathode 13 are attached to both ends thereof, and two electrodes are connected to the bulb. It is comprised by the lead 16 formed in the both ends of (11). In addition, a fluorescent material 14 is coated on the inner wall of the bulb 11, and the inner space 15 of the bulb is filled with a mixed gas such as mercury, argon, and neon.

Meanwhile, as shown in FIG. 1B, the external electrode fluorescent lamp 20 has a structure in which both ends of the bulb 21 are sealed, and electrodes 22 and 23 are formed to surround both ends of the lamp 20 from the outside. The external electrodes 22 and 23 form an electric field in the bulb 21 to discharge gas. In addition, a fluorescent material 24 is coated on the inner wall of the bulb 21, and the inner space 25 of the bulb is filled with a mixed gas such as mercury, argon, and neon.

In order to manufacture such a cold cathode fluorescent lamp or an external electrode fluorescent lamp, a fluorescent material is applied to the inside of the bulb by a fluorescent material coating device, and a process of firing and stabilizing it by a sintering device is inevitably performed.

Looking at the configuration of the conventional fluorescent lamp firing apparatus with reference to Figures 2 and 3 in more detail.

The conventional firing apparatus 100 includes a quartz tube loading elevator 110, a loading unit 160 for loading the bulb L into the quartz tube C, and the quartz tube C as an upper heating furnace ( A plurality of transfer blocks 130 to be transported between the 121 and the lower heating furnace 122, a rotating roller 141 for rotating the quartz tube (C) conveyed by the transfer block 130, and a quartz tube ( The unloading unit 170 for unloading the bulb L fired from C), the quartz tube bulb unloading elevator 150, and the quartz tube descending on the unloading elevator are transferred to the loading elevator again. It consists of a collection conveyor 152. The loading unit 160 and the unloading unit 170 are composed of pushers 162 and 172.

In addition, the injection means 180 for injecting high-pressure air to the quartz tube rotated by the rotary roller 151 is further provided. This is to discharge the foreign matter and gas generated during firing of the bulb (L).

The bulb L coated with a fluorescent material by the fluorescent lamp firing apparatus according to the prior art having the structure as described above is loaded between the upper heating furnace 121 and the lower heating furnace 122, and the upper and lower heating furnaces ( 121, 122, and calcined, followed by unloading the calcined bulb (L).

Accordingly, according to the fluorescent lamp firing apparatus according to the prior art, since the equipment for firing the fluorescent lamp is formed by a horizontal arrangement, there is a problem that the space for firing the fluorescent lamp is unnecessary.

In addition, when the bulb of the fluorescent lamp is fired by using the quartz tube, each bulb should be inserted into the quartz tube, and after completion of firing, each bulb inserted into the quartz tube should be pulled out. There is this.

The present invention has been made to solve the above problems, to provide a fluorescent lamp firing apparatus that can reduce the space for the firing of the fluorescent lamp by improving the arrangement structure of each device for firing the fluorescent lamp. There is this.

In addition, it is an object of the present invention to provide a fluorescent lamp firing apparatus that can simplify the firing process of the bulb by improving the firing process of the bulb using a quartz tube to facilitate the loading and withdrawal of a plurality of bulbs.

The fluorescent lamp firing apparatus according to an embodiment of the present invention for achieving the above object is provided with a bulb supply unit for supplying the bulb and the bulb container, the bulb container is accommodated, the bulb container, A conveying apparatus for conveying, a firing furnace provided in a vertical direction of the conveying apparatus and having a conveying path for conveying the bulb container in a vertical direction, and a cooling apparatus for cooling the bulb loaded in the bulb container passing through the firing furnace; And a loading part in which the bulb loaded in a cooled state in the bulb container is discharged and stored.

The firing furnace is located in the vertical direction of the conveying apparatus and forms a firing path of the "∩" shape in which the bulb container is reciprocated in the vertical direction.

The firing furnace includes an outer heating furnace provided on the outside of the firing path of the "K" shape and an inner heating furnace provided inside of the baking path of the "K" shape.

The conveying apparatus extends to the bulb supply unit, the firing furnace and the stacking unit, extends from the stacking unit to the bulb supply unit, a transport rail for guiding both ends of the bulb container, and a bulb that is guided and moved to the transport rail. A container and a drive unit for rotatably supporting and moving the bulb container along the transfer rail.

The bulb container includes a main body having an arc-shaped cross section, a pair of guide plates provided on both sides of the main body in the longitudinal direction, and a pair of guide plates provided at both ends of the main body and guided to a transport rail. It is provided with a guide projection of.

A plurality of pivoting protrusions are provided on the inner side of the conveying rail extending inwardly of the firing furnace and spaced apart at predetermined intervals toward the bulb container, and are transferred to the pivoting protrusion as one end of the bulb container is transferred by the driving unit. Rotating step is formed so that the bulb container is rotated by repeatedly supporting and releasing.

Discharge protrusions protruding toward the bulb container side are provided inside the transfer rail extending to the loading portion, and are supported by the discharge protrusions by being rotated by the discharge protrusion at one end of the bulb container, thereby rotating the bulb container. A discharge step for discharging the bulb stored in the bulb container is formed.

According to the fluorescent lamp firing apparatus according to the present invention can minimize the space required for the manufacturing process of the bulb for the manufacture of the fluorescent lamp has the effect of minimizing the waste of unnecessary space in the firing process of the bulb.

In addition, it is possible to simplify the firing process of the bulb by improving the loading and withdrawal process of the bulb for the firing process of the bulb to facilitate the loading and withdrawal of a plurality of bulbs.

Hereinafter, a fluorescent lamp firing apparatus according to the present invention with reference to the accompanying drawings will be described in detail.

In the description of the present invention, the names of the elements defined are defined in consideration of functions in the present invention, and should not be understood as meanings that limit the technical elements of the present invention. May be referred to by other names in the art. In addition, the code added to each component is described for convenience of description, and the contents shown in the drawings in which these codes are described do not limit each component to the range in the drawing. In addition, as long as the functional similarity and identity thereof, even if the modified embodiment is adopted, it can be seen as an equivalent configuration, and even if the embodiment in which the modified part of the configuration is employed, it can be seen as an equivalent configuration.

First, the fluorescent lamp firing apparatus according to the present invention will be briefly described with reference to the accompanying drawings.

4 is a side view showing the structure of a fluorescent lamp firing apparatus according to the present invention, Figure 5 is a plan view showing an arrangement of the fluorescent lamp firing apparatus according to the present invention.

As shown in the fluorescent lamp firing apparatus 200 according to the present invention, a plurality of bulbs (L) is loaded and supplied from the bulb supply unit 210 and the bulb supply unit 210 for supplying an appropriate amount of the bulb (L) The conveying apparatus 220 is provided with a bulb container 222 to accommodate the bulb (L) to be accommodated, the firing furnace 230 is provided on the upper portion of the conveying device and has a conveying path of the bulb container 222 in the vertical direction, and conveying Cooling device for cooling the bulb (L) of the bulb container 222 conveyed by the device 220, and the loading portion 250 is discharged and stored the bulb of the bulb container 222 conveyed by the conveying device 220 ).

The bulb supply unit 210 has a plurality of bulbs (L) coated with a fluorescent material on the inner surface is stored and stored for the progress of the firing process, a predetermined amount in the bulb container 222 is transported by the transfer device 220 It is provided to supply (about 2 to 5) bulbs L. The bulb supply unit 210 includes a supply hopper 212 on which the bulb L to be fired is loaded, and a supply guide plate 214 guiding a movement path of the bulb L discharged from the supply hopper 212. do.

The firing furnace 230 is located on the upper portion of the conveying apparatus 220 and fires by heating the bulb L, which is moved by the bulb container 222 of the conveying apparatus 220. The firing furnace 230 is located above the conveying apparatus 220, and forms a space in which the bulb container 222 conveyed by the conveying apparatus 220 is reciprocally conveyed in the vertical direction.

The firing furnace 230 is an outer heating furnace 232 forming the outside of the firing furnace 230, and an inner heating furnace provided inside the outer heating furnace 232 and forming a firing path of the bulb container 222 ( 234 is provided. The firing paths formed by the inner / outer heating furnaces 232 and 234 are preferably formed in a “∩” shape, and the firing paths in the vertical direction may be differently formed in order to increase the firing time.

The cooling device 240 passes through the kiln 230 to cool the bulb (L) stabilizing the fluorescence material and at the same time to discharge the foreign matter and gas generated during the firing of the bulb (L). The cooling device 240 has a blower for supplying high pressure air, a heater for heating the air, and a nozzle for discharging the heated high pressure air to the bulb L (or bulb container 222) side.

The loading unit 250 is to accommodate the bulb (L) loaded in the bulb container 222 is passed through the firing furnace 230 and the cooling device 240, tilted while moving along the transfer device 220 The bulb (L) discharged from the bulb container 222 is provided to accommodate. The loading unit 250 is discharge guide plate 252 for guiding the movement of the bulb (L) discharged from the bulb container 222, bulb (L) discharged by the discharge guide plate 252 (that is, the firing process is A loading box 254 in which the completed bulb L is loaded is provided.

The transfer device 220 accommodates a plurality of bulbs (L) supplied from the bulb supply unit 210, and transfers the stored plurality of bulbs (L) to the firing furnace to proceed with the firing of the bulb (L), firing is Completed bulb (L) is for discharging to the loading unit (250).

Hereinafter, a transfer apparatus will be described in detail with reference to the accompanying drawings.

Figure 6 is a perspective view showing a bulb container of the fluorescent lamp firing apparatus according to the present invention, Figure 7 is a cross-sectional view showing a bulb loading state of the bulb container of the fluorescent lamp firing apparatus according to the present invention, Figures 8a to 8b The operation of the bulb container of the fluorescent lamp firing apparatus according to the operation.

The conveying device 220 includes a bulb container 222 in which the bulb L is accommodated, a conveying rail 224 for guiding a conveying path of the bulb container 222, and a bulb container along the conveying rail 224. A driver (not shown) is provided to provide power for transferring the 222.

Here, the bulb container 222 is provided to accommodate the bulb (L) supplied from the bulb supply unit 210, and to be transported in a state in which the bulb (L). The bulb container 222 is provided with an enclosure-shaped main body 223 having an arc-shaped cross section, and a pair of guide plates 226 for guiding the injection and discharge of the bulb L to be provided on both longitudinal sides of the main body 223. And a pair of guide protrusions 225 provided at both ends of the main body 223 and guided to the transfer rail 224. The guide protrusion 225 is moved by the driving unit and is rotatably supported by the guide protrusion 225 as the rotation shaft.

In addition, on both sides of the guide protrusion 225, the rotary step 225a for pendulum movement of the bulb container 222 and the bulb container 222 for discharging the bulb (L) completed firing when moved along the transfer rail 224. ) Is provided with a discharge step 225b for rotating. The function of the rotation step 225a and the discharge step 225b will be described in detail when describing the transfer rail 224.

On the other hand, the transfer rail 224 is for circulating the bulb container 222 to the bulb supply unit 210, the firing furnace 230, the cooling device 240 and the loading unit 250. The conveying rail 224 is provided with a pair of rails for guiding the guide protrusions 225 formed at both ends of the bulb container 222, and the bulb container (surface toward the bulb container 222) on each side The rotating step 225a formed on the 222, the rotating protrusion 224a supporting the discharge step 225b, and the discharge protrusion 224b are provided.

This, the conveying rail 224 is formed in a circulation form extending from the bulb supply unit 210 to the cooling device 240 and the loading unit 250 through the firing furnace 230 and connected to the bulb supply unit 210 again. The transfer rail 224 extends inwardly of the kiln 230 and is provided to correspond to a "∩" -type kiln condensation formed in the kiln 230, and may be variously formed according to the kiln path formed in the kiln.

Here, the rotation protrusion 225a pendulum-moves the bulb container 222 that is moved inside the firing furnace 230 to rotate the bulb L loaded in the bulb container 222 to prevent deformation of the bulb L. For the purpose, it is formed on the inner surface of the conveying rail 224 extending toward the firing furnace 230, preferably formed continuously on one side of the conveying rail 224 at a predetermined interval to support the pivot step of the bulb container intermittently. Rotate the bulb container.

In addition, the discharge protrusion 224b is for discharging the bulb L loaded in the bulb container 222 that has passed through the firing furnace 230 to the loading unit 250, and from the firing furnace 230 to the loading unit 250. It is formed on the inner surface of the conveying rail 224 extending, preferably formed in the other conveying rail 224 of the pair of conveying rails 224, the pivoting projection 224a is not formed, conveyed bulb container 222 By supporting the discharge step (225b) of the bulb container 222 is rotated to the loading unit 250 side so that the bulb loaded in the bulb container is discharged to the loading side.

In addition, the driving unit provides power so that the bulb container 222 can be transported along the transport rail 224, and a power transmission means such as a chain to transport the bulb container 222 along the transport rail 224. It may be provided. Since the driving unit may be modified in various embodiments, detailed description thereof will be omitted.

Accordingly, the operation of the fluorescent lamp firing apparatus according to the present invention will be described in detail through the embodiment. Each element mentioned below should be understood with reference to the above description and drawings.

First, the bulb containers 222 are transported along the transport rails 224 by the driving unit (not shown), and when the bulb container 222 transported along the transport rails 224 is positioned in the bulb supply unit 210, the drive unit is temporarily stopped. And, a plurality of bulbs (L) supplied from the bulb supply unit 210 is loaded.

This process is performed continuously in accordance with the transport of the bulb container 222. Accordingly, the operation of one bulb container 222 will be described while the loading process, firing process, and discharge process of each bulb container 222 are omitted.

On the other hand, when the bulb (L) loading of the bulb container 222 is completed, the driving unit transfers the bulb container 222 to the firing furnace 230 side, the bulb container 222 to the firing furnace 230 having a vertical conveying path Will enter.

Accordingly, the bulb container 222 entered into the firing furnace 230 is rotated by the pivoting step 225a of the bulb container 222 by the pivoting protrusion 225 provided in the conveying rail 224 extending inwardly of the firing furnace 230. It is supported by blood and moved while shaking the guide protrusion of the bulb container 222 to the left and right.

As the bulb container 222 is moved while being shaken from side to side as described above, the bulbs L loaded in the bulb container 222 are deformed by heat applied during firing while moving and rotating from side to side in the bulb container 222. Is prevented.

On the other hand, as described above, the bulb container 222 entering the firing furnace 230 is moved along the firing path of the "∩" type formed in the firing furnace 230, the firing of the tubular material of the bulb (L) loaded. .

Thereafter, the bulb container 222 that has passed through the firing path of the shape of the firing furnace 230 is transferred to the loading part 250, and the bulb container 222 transferred to the loading part 250 is the loading part 250. The discharge step 225b of the bulb container 222 is supported by the discharge protrusion 224b formed at the adjacent transfer rail 224 of the container container 222, and is inclined toward the loading unit 250 and loaded on the inclined bulb container 222. The bulb L is discharged to the loading part 250 and is loaded on the loading part 250.

Subsequently, the bulb container 222 that discharges the completed bulb L is transferred to the bulb supply unit 210 again along the transfer rail 224, and the bulb L is loaded again by the bulb supply unit 210. Transferred to the kiln. By repeatedly performing this process, the firing operations of the plurality of bulbs L may be continuously performed.

Although described in detail with respect to preferred embodiments of the present invention as described above, those of ordinary skill in the art, without departing from the spirit and scope of the invention as defined in the appended claims Various modifications may be made to the invention. Therefore, changes in the future embodiments of the present invention will not be able to escape the technology of the present invention.

For example, the fluorescent lamp firing apparatus according to the present invention may be implemented by adding a component having another additional function or replacing it with another component. However, if other modified embodiments include the essential elements of the present invention, all should be considered to be included in the technical scope of the present invention.

1A to 1B are perspective views illustrating a structure of a general fluorescent lamp.

Figure 2 is a side view showing the structure of a fluorescent lamp firing apparatus according to the prior art.

3 is a plan view showing the arrangement of the fluorescent lamp firing apparatus according to the prior art.

Figure 4 is a side view showing the structure of a fluorescent lamp firing apparatus according to the present invention.

5 is a plan view showing an arrangement of the fluorescent lamp firing apparatus according to the present invention.

6 is a perspective view showing a bulb container of a fluorescent lamp firing apparatus according to the present invention.

7 is a cross-sectional view showing a bulb bottom of the bulb container of the fluorescent lamp firing apparatus according to the present invention.

8a to 8b is an operation diagram showing the operation of the bulb container of the fluorescent lamp firing apparatus according to the present invention.

Claims (7)

A bulb supply unit in which a plurality of bulbs are loaded and supplying the bulbs; A bulb container in which the bulb is accommodated is provided, and a transfer device for transferring the bulb container; A firing furnace provided in a vertical direction of the conveying apparatus and having a conveying path for conveying the bulb container in a vertical direction; A cooling device for cooling the bulb loaded in the bulb container passing through the firing furnace; And a loading unit for discharging and storing the bulbs loaded in the bulb container in a cooled state. According to claim 1, The firing furnace And a firing path of a “∩” shape in which the bulb container is reciprocally conveyed in a vertical direction and is formed in a vertical direction of the transfer device. According to claim 1, The firing furnace And an inner heating furnace provided on an outer side of the firing path of the "∩" shape, and an inner heating furnace provided inside of the "k" shape firing path. The method of claim 1, wherein the transfer device A transport rail extending to the bulb supply unit, the firing furnace and the stacking unit, extending from the stacking unit to the bulb supply unit, and guiding both ends of the bulb container; A bulb container which is guided and moved to the conveying rail; And a driving unit rotatably supporting and moving the bulb container along the transfer rail. The method of claim 4, wherein the bulb container An enclosure-shaped main body having an arc-shaped cross section, A pair of guide plates provided on both sides of the main body in the longitudinal direction to guide the injection and discharge of the bulb; And a pair of guide protrusions provided at both ends of the main body and guided to the transport rail. The method of claim 4, wherein A plurality of pivoting protrusions are provided on the inner side of the conveying rail extending inwardly of the firing furnace and are spaced apart at predetermined intervals toward the bulb container side. And a rotation step to allow the bulb container to rotate by repeating support and release by the rotation protrusion at one end of the bulb container by the driving unit. The method of claim 4, wherein A discharge protrusion protruding toward the bulb container side is provided inside the transfer rail extending to the loading portion. And a discharge step for discharging the bulb loaded in the bulb container by being rotated by the discharge protrusion and supported by the discharge protrusion at one end of the bulb container to rotate the bulb container. .

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