CN1252766C - Method for producing vacuum switch device - Google Patents
Method for producing vacuum switch device Download PDFInfo
- Publication number
- CN1252766C CN1252766C CNB031208290A CN03120829A CN1252766C CN 1252766 C CN1252766 C CN 1252766C CN B031208290 A CNB031208290 A CN B031208290A CN 03120829 A CN03120829 A CN 03120829A CN 1252766 C CN1252766 C CN 1252766C
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- vacuum tank
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
- H01H2033/66215—Details relating to the soldering or brazing of vacuum switch housings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
- H01H2033/66223—Details relating to the sealing of vacuum switch housings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H2033/6668—Operating arrangements with a plurality of interruptible circuit paths in single vacuum chamber
Landscapes
- Gas-Insulated Switchgears (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
Respective structural elements are divided into unit parts, and respective parts are divided into a group of parts to be arranged to an upper plate 12 side and a group of components to be arranged to a lower plate 14 side, and divided into the parts with insulation property and parts without insulation property. Brazing material is inserted between the parts without insulation property and those parts group is heated at 960[deg.]C to braze respective parts with each other. Next, the brazing material is inserted between the parts to be brazed and those parts group is heated at 835[deg.]C to braze respective parts with each other. Next, an environmental area of the upper sheet material 12 on which, the upper parts group is fixed, the lower sheet material 14 on which, the lower parts group is fixed, and a side sheet material 16 are fixed by the TIG welding in inert gas atmosphere to tightly seal the vacuum container 10.
Description
Technical field
The present invention relates to the manufacture method of vacuum switching device, relate in particular to and have a plurality of switches that are contained in the vacuum tank, be applicable to the manufacture method of vacuum switching device of the controller switching equipment of electric power system.
Background technology
In the distribution system of electric power system, be provided with switching device as one of controller switching equipment vitals.Now, adopt the gas-insulated mode usually,,, adopted in SF6 gas-insulated mode as dielectric in order to realize miniaturization as this switching device.Yet, owing to environment is polluted when worry using SF6 gas, in recent years, insulation mode with vacuum insulation has been proposed as dielectric as dielectric.
Switching device as the vacuum insulation mode, for example, open described in the 2000-268685 communique as the spy, many main circuit switches to the relative configuration with float electrode of fixed electrode are housed in vacuum tank, its structure is: float electrode is connected with the conductor of bus, fixed electrode is connected with the conductor of load, and each main circuit switch covers with arc-extinguish chamber, and the conductor dbus of each bus is crossed flexible conductor and connected.Because this switching device adopts the vacuum insulation mode, compare with the gas-insulated mode and can shorten insulation distance, can make switching device compacter.
In above-mentioned prior art, because main circuit switch covers with the arc-extinguish chamber device, when short circuit accident etc., the tripping operation action takes place, when float electrode is separated with fixed electrode, even produce metallic vapour from each electrode, the also available arc-extinguish chamber screen of this steam we.
But during vacuum tank ground connection, when the part of metallic vapour is dispersed from the gap of arc-extinguish chamber and when being attached on the vacuum tank, the metallic vapour that produces from electrode makes electric current flow to earth point by vacuum tank and produces over the ground short circuit.
In addition, in the prior art, the conductor of load is connected with the electrode bar of load, the part of the electrode bar of load is outstanding from vacuum tank, the position of being given prominence to covers with the tubular insulant, one end of tubular insulant is fixed on the wall of vacuum tank, and the other end seals with seal member, forms vacuum gap between the electrode bar of tubular insulant and load.That is, between the electrode bar of tubular insulant and load, vacuum gap is set so that relax because the different electric fields that produce of the dielectric constant of metal and insulant are concentrated.
But, in order between the electrode bar of tubular insulant and load, to form vacuum gap, concentrate in order to relax electric field, then be necessary to strengthen vacuum gap, like this, comprise the cable joint and the overall diameter chap of the electrode bar and the tubular insulant of load, operation also reduced when its space of occupying increased.And, when switch moves, the impact that is produced during float electrode contact fixed electrode makes reverse mutually tension on seal member and tubular insulant through the electrode bar seal member of load, has the danger of the intensity reduction of the faying face that makes tubular insulant and seal member.
Summary of the invention
Purpose of the present invention just is to provide the manufacture method of the high vacuum switching device of a kind of reliability.
In order to realize the foregoing invention purpose, the manufacture method of the vacuum switching device that the present invention adopts is: in manufacturing a plurality of switches are contained in by top sheet material, in the vacuum tank that lower sheet and sidepiece sheet material constitute, end difference attended operation bar at above-mentioned each switch, connect load beam respectively at the other end, in the vacuum switching device that the sleeve of being insulated property covers respectively around above-mentioned each load beam, it is characterized in that: when each inscape of above-mentioned vacuum switching device is divided into parts unit, be divided into the upper member group of each component configuration on the sheet material of above-mentioned top that to be cut apart and the lower member group that is configured on the above-mentioned lower sheet, and then each parts group is divided into parts with insulating properties and other parts, between other parts except that parts, insert solder with insulating properties, heating these parts groups with the temperature of appointment is welded to each other each parts, subsequently, insert solder at parts with between with the parts of those parts as the soldering object with insulating properties, heat these parts groups with each parts of soldering with the temperature lower than the temperature of above-mentioned appointment, subsequently, the top sheet material that to fix above-mentioned parts group by welding in inert gas is fixedlyed connected with around the sidepiece sheet material with the lower sheet of having fixed the lower member group, with the sealed vacuum container.
In addition, the manufacture method of the vacuum switching device that the present invention adopts is: when manufacturing comprises the vacuum switching device of following parts formation, these parts have: by top sheet material, the vacuum tank that lower sheet and sidepiece sheet material constitute, make the float electrode that supports by the float electrode bar and be oppositely arranged and be contained in switch in the above-mentioned vacuum tank by the fixed electrode of fixedly electric pole bar support, the bus-bars conductor more than one or two that is connected with the float electrode bar or the fixed electrode bar of above-mentioned each switch, be connected with the float electrode bar of above-mentioned each switch, and a plurality of action bars that its operator a part of and outside the above-mentioned vacuum tank is connected, be connected with the fixed electrode bar of above-mentioned each switch, and its part is given prominence to a plurality of load side levers outside above-mentioned vacuum tank, inside and outside configuration along above-mentioned vacuum tank, cover a plurality of insulating properties sleeves on every side of above-mentioned each load side lever, above-mentioned each switch comprise be configured in above-mentioned float electrode and said fixing electrode around, be used for stoping the tubular electrode sheath that disperses of the metallic vapour that produces by above-mentioned float electrode and said fixing electrode and the insulating properties sheath of the tubular around the above-mentioned electrode sheath of covering, it is characterized in that: when each inscape of above-mentioned vacuum switching device is divided into parts unit, divided each parts are divided into upper member group that is configured on the sheet material of above-mentioned top and the lower member group that is configured on the above-mentioned lower sheet, insert solder and heating in the parts in above-mentioned parts except that parts with insulating properties, cool off after the above-mentioned solder fusion, when each parts is welded mutually, above-mentioned upper member group is fixed on the sheet material of above-mentioned top, and above-mentioned lower member group is fixed on the above-mentioned lower sheet, subsequently, between with above-mentioned parts with insulating properties and parts, insert solder and heating respectively as the soldering object of above-mentioned parts with insulating properties, cool off after the above-mentioned solder fusion, thereby weld with above-mentioned parts with insulating properties with as the parts of the soldering object of above-mentioned parts with insulating properties, thereafter, with the top sheet material of having fixed above-mentioned upper member group when having fixed the relative configuration of lower sheet of lower member group, disposing above-mentioned sidepiece sheet material again makes itself and above-mentioned top sheet material and above-mentioned lower sheet adjacent, in welding above-mentioned top sheet material and above-mentioned sidepiece sheet material, weld above-mentioned lower sheet and above-mentioned sidepiece sheet material, behind vacuumizing and exhausting in the above-mentioned vacuum tank, airtight above-mentioned vacuum tank.When adopting the manufacture method of above-mentioned vacuum switching device, can constitute by parts with following key element as vacuum switching device.
1. have: by top sheet material, the vacuum tank that lower sheet and sidepiece sheet material constitute, the fixed electrode that is supported on the float electrode on the flexible lamp limit bar and is supported on the fixed electrode bar is oppositely arranged, be contained in a plurality of switching mechanisms in the vacuum tank, the bus-bars conductor more than one or two that is connected with the float electrode bar or the fixed electrode bar of above-mentioned each switching mechanism, be connected with the float electrode bar of above-mentioned each switching mechanism, and a plurality of action bars that its each operator a part of and outside the above-mentioned vacuum tank is connected, be connected with the fixed electrode bar of above-mentioned each switching mechanism, and its part is given prominence to a plurality of load side levers outside above-mentioned vacuum tank, inside and outside configuration along above-mentioned vacuum tank, cover a plurality of insulating properties sleeve pipes on every side of above-mentioned each load side lever, above-mentioned each switching mechanism by contain be configured in above-mentioned float electrode and said fixing electrode around, and be used to stop the metallic vapour that produces from above-mentioned float electrode and said fixing electrode the tubular that disperses electrode sheath and cover above-mentioned electrode sheath around the insulating properties sheath of tubular constitute, above-mentioned bus-bars conductor is fixed on the above-mentioned vacuum tank, and the float electrode bar of above-mentioned each switching mechanism is connected with above-mentioned bus-bars conductor by flexible conductor.
2. have: the vacuum tank that constitutes by top sheet material and lower sheet and sidepiece sheet material, the fixed electrode that is supported on the float electrode on the float electrode bar and is supported on the fixed electrode bar is oppositely arranged and is contained in the interior a plurality of switching mechanisms of above-mentioned vacuum tank, the bus-bars conductor more than one or two that is connected with the float electrode bar or the fixed electrode bar of above-mentioned a plurality of switching mechanisms, be connected with the float electrode bar of above-mentioned each switching mechanism, and a plurality of action bars that its operator a part of and outside the above-mentioned vacuum tank is connected, be connected with the fixed electrode bar of above-mentioned each switching mechanism, and its part is given prominence to a plurality of load side levers outside above-mentioned vacuum tank, inside and outside configuration along above-mentioned vacuum tank, cover a plurality of insulating properties sleeve pipes on every side of above-mentioned each load side lever, the part of above-mentioned each insulating properties sleeve pipe is supported on the wall of above-mentioned vacuum tank in above-mentioned vacuum tank.
When adopting the manufacture method of above-mentioned each vacuum switching device, can add following key element:
1. on the face relative, form conductive film covering with above-mentioned each load side lever of above-mentioned a plurality of insulating properties sleeve pipes.
According to above-mentioned measure, when each parts group of soldering, owing to be divided into parts with insulating properties and parts in addition, be in two operations, to carry out and be the soldering of under different temperature, carrying out each operation, therefore, can be respectively reliably soldering have the parts of insulating properties and parts in addition, can improve its reliability.
Description of drawings
Fig. 1 is the elevation cross-sectional view of major part of the vacuum switching device of expression one embodiment of the invention.
Fig. 2 is the plane graph of vacuum switching device shown in Figure 1.
Fig. 3 is the side cutaway view of the major part of vacuum switching device shown in Figure 1.
Fig. 4 is the circuit structure diagram of vacuum switching device shown in Figure 1.
Fig. 5 is the figure that is used to illustrate the manufacture method of vacuum switching device, and Fig. 5 (a) is the structure chart of the top sheet material of configuration upper member group, and Fig. 5 (b) is an end view of having fixed the top sheet material 12 of upper member group.
Fig. 6 is the figure that is used to illustrate the manufacture method of vacuum switching device of the present invention, and Fig. 6 (a) is a plane graph of having fixed the lower sheet of lower member group, and Fig. 6 (b) is an end view of having fixed the lower sheet of lower member group.
Fig. 7 is the figure that is used to illustrate the manufacture method of vacuum switching device of the present invention, is the operational method figure that is used for illustrating when inert gas welding top sheet material, lower sheet and sidepiece sheet material.
Fig. 8 is the elevation cross-sectional view of the major part of the state behind the expression assembling vacuum switching device of the present invention.
Fig. 9 is the ideograph that is used to illustrate another embodiment of the present invention.
Figure 10 is in the vacuum switching device with three circuit breakers and three earthy switches, uses the elevation cross-sectional view of the major part when of the present invention.
Figure 11 is in the vacuum switching device with two circuit breakers and two earthy switches, uses the elevation cross-sectional view of the major part when of the present invention.
Figure 12 is in the vacuum switching device with a circuit breaker and an earthy switch, uses the elevation cross-sectional view of the major part when of the present invention.
Figure 13 (a) is the front view of the major part when in vacuum switching device threephase switch being housed,
Figure 13 (b) is the end view of the major part when in vacuum switching device threephase switch being housed.
Embodiment
Below, one embodiment of the present of invention are described with reference to the accompanying drawings.Fig. 1 is the elevation cross-sectional view of major part of an embodiment of expression vacuum switching device of the present invention, Fig. 2 is the plane graph that is shown in the vacuum switching device of Fig. 1, Fig. 3 is the end view that is shown in the vacuum switching device of Fig. 1, and Fig. 4 is the circuit structure diagram that is shown in the vacuum switching device of Fig. 1.In Fig. 1-Fig. 4, vacuum switching device is as one of main controller switching equipment of distribution system, and its structure has the vacuum tank 10 of stainless steel.Vacuum tank 10 has top sheet material 12, lower sheet 14 and sidepiece sheet material 16, (edge) is by the interconnective while of welding around each sheet material, the each several part drawing and forming of its side is a corrugated, the thickness of slab of its each sheet material is very thin also to bear vacuum pressure even make, and with equipment body ground connection.And, in vacuum tank 10, be equipped with as the three-phase line that constitutes the vacuum switching device key element, in the present embodiment, make the container that respectively is separated, only represented a phase among the figure.
On above-mentioned sheet material 12, when fixing blast pipe 18, vacuum and measure, also have through hole 22,24,26,28,30 with terminal 10.In through hole 22, insert the earthy action bars 32 that can freely move back and forth (moving up and down), in through hole 24,26, insert the switch action bars 34,36 that can freely move back and forth (moving up and down), insertion can freely move back and forth turning back with action bars 38 of (moving up and down) in through hole 28, inserts the switch action bars 40 that can freely move back and forth (moving up and down) in through hole 30.On the other hand, on lower sheet 14, have through hole 42,44,46, in through hole 42, insert No. 1 cable joint 48, in through hole 44, insert No. 2 cable joints 50, in through hole 46, insert No. 3 cable joints 52.
And, vacuum tank 10 vacuumizes the discharge internal gas by blast pipe 18, inside at this vacuum tank 10, as switching mechanism, earthy switch 54,56 is housed, in the time of circuit breaker 58,60, disconnect 62, earthy bus-bars conductor made of copper (earth bus) 64,66 also is housed, power-on circuit made of copper bus- bars conductor 68,70,72.And then, support component 74,76,78,82,84,86 also is housed in vacuum tank 10.One end of support component 74,76,78 is fixed on the top sheet material 12, and the other end is fixed on and makes it support bus-bars conductor 68 on the bus-bars conductor 68.One end of support component 80 is fixed on the lower sheet 14, and the other end is fixed on the bus-bars conductor 66, makes it support bus-bars conductor 66.One end of support component 82,84,86 is separately fixed on the lower sheet 14, and the other end fixedly on the bus-bars conductor 70, makes it support bus-bars conductor 70.
Be used for operational grounding with the earthy action bars 32 of opening and closing of switch 54 by having columned earth terminal 88, ceramic movable bar 90 cylindraceous, aneroid capsule 92, being discoideus base plate 94, flexible conductor 96,98, the pitman 100 of stainless steel, connecting rod made of copper 102, float electrode made of copper 104 substantially and constituting.Be formed with threaded portion 106 on earth terminal 88, earthy operator (diagram is omitted) is screwed on the threaded portion 106, thereby makes earth terminal 88 ground connection.In addition, aneroid capsule 92 is fixed on the top sheet material 12, is connecting motion bar 90 in the open side end of aneroid capsule 92, is fixing base plate 94 on an axial end of motion bar 90.That is, earth terminal 88 around airtight by base plate 94, motion bar 90, aneroid capsule 92.And then motion bar 90 is connected with flexible conductor 96 with base plate 94, and base plate 94 is connected with earthy bus-bars conductor 64.In addition, when flexible conductor 98 is connected with earthy bus-bars conductor 64, be connected with connecting rod 102.Insert pitman 100 on the axle center of connecting rod 102, this pitman 100 can insert in the bar patchhole 108a-d that connects flexible conductor 98, bus-bars conductor 64, flexible conductor 96 with being free to slide, and its axial end portion is connected with earth terminal 88.Promptly, when earth terminal 88 moves back and forth (moving up and down), pitman 100 is in bar patchhole 108a-d, and its axial end portion is connected with earth terminal 88.That is, when earth terminal 88 moved back and forth (moving up and down), pitman 100 slided in bar patchhole 108a-d, and float electrode 104 contacts with fixed electrode 110 on being connected bus-bars conductor 66, perhaps make float electrode 104 and fixed electrode away from.At this moment, along with moving back and forth of earth terminal 88, make flexible conductor 96,98 bendings.And, be used for operational grounding and have roughly the same structure with the action bars (only illustrating a part) of switch 56 and action bars 32, float electrode 104 is contacted with the fixed electrode 110 that is connected with bus-bars conductor 70.
And, being connected with No. 1 cable joint 48 by roughly being discoideus support base plate 118 at an end of bus-bars conductor 66, cable joint 48 1 sides that support base plate 118 form the circular-arc groove 118a of a plurality of concentric circles.The structure of No. 1 cable joint 48 is to have the insulating properties sleeve 122 of making columned load side lever 120 made of copper and roughly making ceramic cylindraceous.On the axial end portion of load side lever 120, form threaded portion 124.The cable that constitutes distribution system is screwed on this threaded portion 124, loads onto the insulation division of cable again at the outer circumferential side of insulating properties sleeve 122.The axial end portion of load side lever 120 and insulating properties sleeve 122 respectively with support base plate 118 and be connected, on insulating properties sleeve 122, form in the step 126 step 128 that the formation diameter is littler than step 126.Load side lever 120 and insulating properties sleeve 122, be contained in the vacuum tank 10 with the connecting portion that supports base plate 118, its another part is given prominence to outside vacuum tank.And at the support ring 130 that periphery disposes and step 126 contacts with lower sheet 14 of stage portion 128, the bottom of step 126 is supported by support ring 130.And then, make the sheath 132 of stainless steel cylindraceous in the configuration of the periphery of support ring 130 and step 126.
The other end of bus-bars conductor 66 is connected with support ring 136 with connecting rod 134 made of copper, connecting rod 134 is connected with connecting rod 138.The other end of connection 138 is connected with bus-bars conductor 68.
The support component 74,76,78 that is connected with bus-bars conductor 68 is made of the insulating bar 144 with columned support bar 140, support base plate 142 made of copper, ceramic, support base plate 146 made of copper, the axial two ends of insulating bar 144 are connected with support base plate 142,146 respectively, support base plate 142 and be connected with support bar 140, the axial end portion of support bar 140 is connected with top sheet material 12.Be connected with bus-bars conductor 68 and support base plate 146.Promptly, support component 74,76,78 make make insulating bar be positioned in the middle of and bus-bars conductor connected and be supported on the top sheet material 12.
Be respectively applied for circuit breaker 58,60, the action bars 34,36,40 that disconnect 62 carries out switching manipulation by have columned motion bar 148, aneroid capsule 150, support base plate 152, the insulating bar 154 of ceramic, support base plate 156 made of copper, the pitman 158 of roughly making columned stainless steel constitute.Axial end portion at motion bar 148 forms threaded portion 160, and it is screwed in operator on this threaded portion 160.And, the axial other end of motion bar 148 with roughly make discoideus support base plate 152 made of copper and be connected, connect aneroid capsule 150 in the periphery that supports base plate 152.An axial end of aneroid capsule 150 is fixed on the top sheet material 12, and motion bar 148, support base plate 152 can freely move back and forth (moving up and down) and be supported on the aneroid capsule 150.Support base plate 152 and be connected with the insulating bar 154 of ceramic, an axial end of insulating bar 154 is connected with support base plate 152 made of copper.Pitman 158 can freely move back and forth (moving up and down) insertion respectively and be formed on the bar patchhole 160 on the bus-bars conductor 68 or be formed on the bar patchhole 162 on the bus-bars conductor 72 and be formed on circuit breaker 58,60, in the bar patchhole 166 on the flexible conductor 164 of disconnect 62, the other end that it is axial and circuit breaker 58,60, the fixed electrode bar 168,170 of disconnect 62 connects.
The upper side of arc extinguishing cover 172 is connected with bus-bars conductor 68, and its bottom side is inlayed interior Monday of the side of insulating properties sheath 184 into.One end of flexible conductor 164 is connected with bus-bars conductor 68, and its other end is connected with float electrode bar 168.Sheath 174 is configured between electrode sheath 182 and the flexible conductor 164, and its structure can stop dispersing by the metallic vapour of float electrode 176, fixed electrode 178 generations.
On the other hand, disconnect 62 has float electrode 194, and the fixed electrode 196 of relative configuration with float electrode, float electrode 194 connects and is supported on the axial end of float electrode bar 170, and fixed electrode 196 connects and is supported on the axial end of fixed electrode bar 198.On float electrode bar 170 with float electrode 194 in abutting connection with, be connected stainless sheath 200, on fixed electrode bar 198 with fixed electrode 196 in abutting connection with, be connected the sheath 202 of stainless steel.On the surface of float electrode 194 and fixed electrode 196, form electric arc is enclosed in wherein helicla flute.Other structure of disconnect 62 is identical with circuit breaker 58.Promptly, arc extinguishing cover 172 is connected with bus-bars conductor 72, sheath 188 is connected on the binding base plate 190 with fixed electrode bar 198.And No. 2 cable joints 50 and No. 3 cable joints 52 and No. 1 cable joint 48 adopt same structure.
In addition, in disconnect 62, periphery configuration insulating properties sheath 184,186 at electrode sheath 182, float electrode 194 and fixed electrode 196 leave mutually when tripping operation, even between each electrode, produce potential difference, owing to can prevent that electric current from flowing through by insulating properties sheath 184,186, the reliable in action ground of can guaranteeing to trip carries out.
On the other hand, turn back and be provided with for contact connection circuit breaker 60 and disconnect 62 with support bar 38, the structure of this support bar 38 is to have: motion bar 204, aneroid capsule 206, support base plate 208 made of copper, the pitman 214 of the insulating bar 210 of ceramic, support base plate 212 made of copper, stainless steel.Support base plate 208 and be connected, connect aneroid capsule 206 in the periphery that supports base plate 208 with an axial end of motion bar 204.An axial end of aneroid capsule 206 is fixed on the top sheet material 12.An axial end of insulating bar 210 is connected with support base plate 208, and the axial other end of insulating bar 210 is connected with support base plate 212.Supporting base plate 212 is connected with pitman 214.Pitman 214 can freely move back and forth and insert the bar patchhole 162 that is formed on the bus-bars conductor 72 (moving up and down), be formed in the bar patchhole 166 on the flexible conductor 164, and its front end is connected with connecting rod 216 made of copper.An axial end of connecting rod 216 is connected with support base plate 218, supports base plate 218 and is connected with bus-bars conductor 70.
That is, bus-bars conductor 70 and bus-bars conductor 72 are by supporting base plate 218, connecting rod 216, and flexible conductor 164 connects.At this moment, support base plate 218, connecting rod 216 play a role with bonding conductor as turning back, flexible conductor 164 plays a role with flexible conductor as turning back, and support bar 38 is as support bar 216 and support base plate 218 are played a role with support bar near bus-bars conductor 70 turning back of one side.
In addition, each flexible conductor 164 (96,98) is made of a pair of fixed part 164a, 164b and the 164c of pair of curved portion, 164d, and the bar that forms the through hole shape on fixed part 164a passes hole 166.And fixed part 164a is connected with bus- bars conductor 68 or 72, and fixed part 164b is connected with float electrode bar 168 or 170.Each bend 164c, 164d uses for example copper and the stainless sheet material formation that is superimposed with each other of different mutually materials, each bend 164c, 164d are that benchmark is separately in its both sides configuration with the axle center of float electrode bar 168 or 170, the one end is connected fixed part 164a, and the other end is connected fixed part 164b.At this moment, flow to bend 164c and bend 164d from the electric current of bus- bars conductor 68 or 72 by fixed part 164a branch, the electric current 164b that affluent-dividing is crossed flows to float electrode 168 or 170.At this moment, the sense of current at the both ends of each bend 164c and bend 164d is opposite mutually.Therefore, by the electromagnetic force that electric current produced that flows through each bend 164c, 164d act on make bend 164c, 164d both ends respectively mutually away from direction on.Its result, because the effect of this electromagnetic force, when making the joint of fixed part 164a and bus- bars conductor 68 or 72 become firm, make the joint of fixed part 164b and float electrode 168 or 170 also become firm, and then, when can strengthen the contact force of float electrode 176 and fixed electrode 178, also can strengthen the contact force of float electrode 194 and fixed electrode 196.
In addition, with interior all sides of the insulating properties sleeve 122 of the cable joint 48,50,52 of present embodiment, form conductive film covering on the promptly relative face with load side lever 120, the current potential of interior all sides of insulating properties sleeve 122 is equated with the current potential of load side lever 120.Therefore, can do the gap between load side lever 120 and the insulating properties sleeve 122 minimum.Promptly, for the interior all sides and the load side lever 120 that make insulating properties sleeve 122 are kept equipotential, only can the pottery of insulating properties sleeve 122 and the difference of the thermal expansion of the metal that constitutes load side lever 120 will be constituted, thereby the difference of the thermal expansion that is produced when concrete is exactly when assembling with weld heating to 800 ℃ is set to its gap and can reduces cable joint 48,50,52 spaces of being occupied, and improves transaction capabilities simultaneously.And then, in the cable joint 48,50,52 of present embodiment, because the part of cable joint 48,50,52 is inserted in the vacuum tank 10, step 126 usefulness ring 130 supports, when packing into, even float electrode 176 or 194 is pressed to the impulsive force that fixed electrode 178 or 196 sides are produced and affacts on each cable joint 48,50,52, this impulsive force also can be born by ring 130 and lower sheet 14, can prevent that cable joint 48,50,52 is because of the impulsive force deterioration.
In addition, since with Electromagnetically-operating device (the electromagnetic type operator that is connected with action bars 34,40) and switching device (circuit breaker 58, disconnect 62) and cable joint 50,52 (load side lever 120 and insulating properties sleeve 122) vertically (vertical direction) be configured to linearity, space between each switching device can be suppressed to Min., can make switching device realize miniaturization.
Vacuum switching device with said structure can be used as and for example has, and rated voltage is 24KV, and rated current is 630A/1250A, and specified short-time current is the switching device of the function of 25A/3 second (4 seconds).
Below, with reference to the manufacture method of description of drawings vacuum switching device of the present invention.When making vacuum switching device, at first, each inscape that constitutes vacuum switching device is divided into parts unit.For example, against vacuum container 10, be divided into top sheet material 12, lower sheet 14, sidepiece sheet material 16, for support component 74-78, be divided into support bar 140, support base plate 142, insulating bar 144, support base plate 146, for circuit breaker 58, be divided into fixed part 164a, 164b, bend 164c, 164d, sheath 172,174, float electrode bar 168, float electrode 176, fixed electrode 178, fixed electrode bar 180, electrode sheath 182, insulating properties sheath 184,186, sheath 188, connect base plate 190.
Secondly, divided parts are divided into the upper member group that is configured on the top sheet material 12, for example be divided into the parts group that constitutes support component 74-78, when constituting the parts group etc. of action bars 34,36,40, be divided into the lower member group that is configured on the lower sheet 14, for example, be divided into the parts group that constitutes support component 80,82,84,86, constitute the parts group of cable joint 48,50,52 etc.And then in the parts group, the parts that will have insulating properties for example are divided into, insulating bar 114,116,154, insulating properties sheath 184,186, insulating properties sleeve 122 and parts in addition.Thereafter, by with brazing material, for example, the sheet material (thickness 0.1mm) of silver and copper inserts between parts other parts in addition with insulating properties, with these parts groups under the vacuum condition in 960 ℃ of heating about 10 minutes, natural cooling then, thus when each parts is welded to each other, the upper member group is fixed on the top sheet material 12, the lower member group is fixed on the lower sheet 14.
Then, with the upper member group and the lower member group that is fixed on the lower sheet 14 that is fixed on the top sheet material 12, transfer to the parts with insulating properties are carried out the soldering processing.Promptly, as Fig. 5 (a), (b) shown in, for will be as parts with insulating properties, with insulating bar 144,154 are fixed on the top sheet material 12, as Fig. 6 (a), (b) shown in, for will be as parts with insulating properties, with insulating bar 116, insulating properties sheath 184,186, insulating properties sleeve 122 is fixed on the lower sheet 14, these had the parts of insulating properties, undertaken by following steps: brazing material is inserted parts with insulating properties and as the parts of the soldering object of parts with insulating properties, for example flange 192, support between the base plate 118, under vacuum condition, heated about 10 minutes in about 835 ℃, natural cooling then, be fixed on the top sheet material 12 thereby will have the parts group of insulating properties and other upper member group, will have the parts group of insulating properties and other lower member group and be fixed on the lower sheet 14.At this moment, because the thermal coefficient of expansion of support base plate 118 made of copper and insulating properties sleeve 122 is different mutually, support base plate 118 and insulating properties sleeve 122 in brazing process, along with variation of temperature, between support base plate 118 and insulating properties sleeve 122, produce residual stress, keep the motionless both's distortion of former state.But, owing to supporting a plurality of circular-arc groove 118a of formation on the base plate 118, along with variation of temperature, even between support base plate 118 and insulating properties sleeve 122, produce residual stress, this residual stress can be absorbed than insulating sleeve 122 each low groove 118a by rigidity, supports base plate 118 and insulating sleeve 122 thereby can weld reliably.
Subsequently, as shown in Figure 7, with the top sheet material 12 of having fixed the upper member group and the lower sheet 14 of having fixed the lower member group in inert gas in the relative configuration, sidepiece sheet material and top sheet material 12 and lower sheet 14 in abutting connection with configuration, are fixed the periphery of top sheet material 12, lower sheet 14 and sidepiece sheet material 16 by the TIG welding to form enclosed vacuum container 10.
Then, as shown in Figure 8, vacuum pump 220 is connected with blast pipe 18, with 220 pairs of vacuum tank 10 vacuumizing and exhaustings of vacuum pump.At this moment, vacuum tank 10 is interior in 430 ℃ of heating about 12 hours, to further vacuum exhausts in the vacuum tank 10.In to vacuum tank 10, carry out vacuum degree analyzer and vacuum being measured terminal 20 being connected after the vacuum row, detect in the vacuum tank 10 whether reached the specified vacuum degree.
In the present embodiment, because the parts component that will be fixed on the vacuum tank 10 is upper member group and lower member group, the upper member group is fixed on the top sheet material 12, the lower member group is fixed on the lower sheet 14, assembling operation is carried out at an easy rate.
In addition, when each parts group of soldering, owing to be divided into parts with insulating properties and other parts in addition, when can in two operations, carry out, the soldering of each operation is carried out under different temperature, thus can be respectively reliably soldering have the parts of insulating properties and other parts in addition.
Have again, in the present embodiment, on operating operation bar 34,36,40 o'clock, be accompanied by moving back and forth of pitman 158, owing to only make flexible conductor 164 bendings just can make bus- bars conductor 68,72 become stationary state, therefore, even if the operating operation bar can prevent that also bus- bars conductor 58,72 from producing distortion.
In the present embodiment, as circuit breaker 58,60, the situation that is provided with insulating properties sheath 184,186 is illustrated, but for circuit breaker 58,60, these sheaths also can omit.
In addition, in the present embodiment, be illustrated for the fixing situation of bus- bars conductor 68,72, but pattern as shown in Figure 9 also can adopt following structure, that is: the bus-bars conductor 222 that uses the lamination thin plate to constitute, stage casing at bus-bars conductor 222 forms bend 224, each action bars 34,36,40 is connected with bus-bars conductor 222 respectively, corresponding with the operation of action bars 34,36,40, make bend 224 bendings of bus-bars conductor 222.
And, in the present embodiment, vacuum switching device as 3 loops, to having earthy switch 54,56, circuit breaker 58,60, the situation of disconnect 62 is illustrated, but according to the formation of circuit, can set earthy switch 54,56 arbitrarily, the combination and the number of circuit breaker 58,60 and disconnect 62.
For example, when constituting vacuum switching device, can adopt structure as shown in figure 10 with 3 circuit breakers 58 and 3 earthy switches 54.
And, when constituting vacuum switching device, can adopt structure as shown in figure 11 with 2 circuit breakers 58 and 2 earthy switches 54.
Have again, when constituting vacuum switching device, can adopt structure as shown in figure 12 with a disconnect 62 and an earthy switch 54.
As circuit form, can adopt 2 loops, 3 loops, 4 loops, 5 loops or with various circuit forms such as 3 loops and 4 loop combinations.
In addition, consider a plurality of vacuum switching devices are carried out connection in series-parallel, for a plurality of vacuum switching devices are applied in the open loop approach, with the disconnect is that the center disposes circuit breaker in both sides, perhaps for a plurality of vacuum switching devices are applied in the closed-loop fashion, except earthy switch, also can adopt all structure with disconnect.
In the present embodiment, owing to make the various switching mechanisms that are configured in the vacuum switching device 10 realize vacuum insulation, when can make the major loop realization non-maintaining,, also can realize the non-maintaining of operator by adopting the Electromagnetically-operating device as operator.Have again,, can prevent short circuit accident by making respectively being separated in the vacuum tank 10.And the vacuum degree by in the frequent supervision vacuum tank 10 can improve reliability.
In the present embodiment, as the container that respectively is separated, only the situation in the vacuum tank 10 that the inscape of a phase is packed into is illustrated, but shown in Figure 13 (a) and (b), also can with the circuit breaker 58U of three-phase (U phase, V phase, W phase) ..., 60U ..., three-phase the vacuum tank 10 of packing into such as disconnect 62U, 62V, 62W in.At this moment, at the outer peripheral face of vacuum tank 10, promptly, on the surface of top sheet material 12, each the action bars 34U that uses with switching mechanism ..., 36U ..., 40U, 40V, 40W etc. be corresponding, fixing Electromagnetically-operating device (electromagnetic type operator) 230U ..., 232U ..., 234U, 234V, 234W, and with each action bars 34U ..., 36U ..., 40U, 40V, 40W and each Electromagnetically-operating device 230U ..., 232U, 234U, 234V, 234W interconnect.Each Electromagnetically-operating device 230U ..., 232U, 234U, 234V, 234W structure make it respond each switching operation signal respectively and to each action bars 34U ..., 36U ..., 40U, 40V, 40W carry out switching manipulation.Use switching operation signal can make each switching mechanism automatically carry out switching manipulation by controller (not shown) output.
And, since axially (vertical direction) linearly each phase of configuration Electromagnetically-operating device 230U ..., 232U, 234U, 234V, 234W and each mutually switching mechanism (circuit breaker 58U ..., 60U ..., disconnect 62U, 62V, 62W) with each mutually cable joint ( load side lever 120U, 120V, 120W ... with the insulating properties sleeve that covers each load side lever), space between each switching mechanism can be suppressed to Min., can make switching device realize miniaturization.
As mentioned above, use the present invention, when each parts group of soldering, owing to be divided into parts with insulating properties and other parts in addition, can in two operations, carry out, simultaneously, the soldering of each operation be carried out under different temperature, can carry out reliable soldering respectively to parts and other parts in addition, thereby can realize the raising of reliability with insulating properties.
Claims (4)
1. the manufacture method of a vacuum switching device, this vacuum switching device has: the vacuum tank that is made of top sheet material and lower sheet and sidepiece sheet material, the relative a plurality of switching mechanisms that dispose and be contained in the above-mentioned vacuum tank of fixed electrode that the float electrode that is supported by the float electrode bar and the electrode stem that is fixed support, the bus-bars conductor more than 1 or 2 that is connected with the float electrode bar or the fixed electrode bar of above-mentioned each switching mechanism, be connected with the float electrode bar of above-mentioned each switching mechanism, and its a part of and above-mentioned vacuum tank operator outward is connected a plurality of action bars, be connected with the fixed electrode bar of above-mentioned each switching mechanism, and its part is given prominence to a plurality of load side levers outside above-mentioned vacuum tank, along the inside and outside configuration of above-mentioned vacuum tank and cover above-mentioned load side lever around a plurality of insulating properties sleeves, above-mentioned each switching mechanism by contain be configured in above-mentioned float electrode and said fixing electrode around, be used to stop the metallic vapour that produces by above-mentioned float electrode and said fixing electrode the tubular that disperses electrode sheath and cover above-mentioned electrode sheath around tubular insulating properties sheath constitute, when making such vacuum switching device, it is characterized in that: when each inscape of above-mentioned vacuum switching device is divided into parts unit, divided each parts are divided into upper member group that is configured on the sheet material of above-mentioned top and the lower member group that is configured on the above-mentioned lower sheet, brazing material is inserted between the parts beyond the parts that have insulating properties in the above-mentioned parts group and be heated to the temperature of appointment, when cooling is welded to each other each parts behind the above-mentioned brazing material of fusion, above-mentioned upper member group is fixed on the sheet material of above-mentioned top, and above-mentioned lower member group is fixed on the above-mentioned lower sheet, subsequently, brazing material is inserted respectively between the parts of above-mentioned parts with insulating properties and above-mentioned soldering object as parts with insulating properties, in the temperature heating lower than above-mentioned assigned temperature, cool off behind the above-mentioned brazing material of fusion, thereby parts welding with above-mentioned parts with insulating properties and above-mentioned soldering object as parts with insulating properties, then, in the time of with the top sheet material configuration relative of having fixed above-mentioned upper member group with the lower sheet of having fixed above-mentioned lower member group, with above-mentioned sidepiece sheet material and above-mentioned top sheet material and above-mentioned lower sheet in abutting connection with configuration, when welding above-mentioned top sheet material and above-mentioned sidepiece sheet material, weld above-mentioned lower sheet and above-mentioned sidepiece sheet material, after carrying out vacuum exhaust in the above-mentioned vacuum tank, make airtight above-mentioned vacuum tank.
2. the manufacture method of a vacuum switching device, this vacuum switching device has: the vacuum tank that is made of top sheet material and lower sheet and sidepiece sheet material, the relative a plurality of switching mechanisms that dispose and be contained in the above-mentioned vacuum tank of fixed electrode that the float electrode that is supported by the float electrode bar and the electrode stem that is fixed support, the bus-bars conductor more than 1 or 2 that is connected with the float electrode bar or the fixed electrode bar of above-mentioned each switching mechanism, be connected with the float electrode bar of above-mentioned each switching mechanism, and its a part of and above-mentioned vacuum tank operator outward is connected a plurality of action bars, be connected with the fixed electrode bar of above-mentioned each switching mechanism, and its part is given prominence to a plurality of load side levers outside above-mentioned vacuum tank, along the inside and outside configuration of above-mentioned vacuum tank and cover above-mentioned load side lever around a plurality of insulating properties sleeves, above-mentioned each switching mechanism by contain be configured in above-mentioned float electrode and said fixing electrode around, be used to stop the metallic vapour that produces by above-mentioned float electrode and said fixing electrode the tubular that disperses electrode sheath and cover above-mentioned electrode sheath around tubular insulating properties sheath constitute, above-mentioned bus-bars conductor is fixed in the above-mentioned vacuum tank, when the vacuum switching device that the float electrode bar of making above-mentioned each switching mechanism links by flexible conductor and above-mentioned bus-bars conductor, it is characterized in that: when each inscape of above-mentioned vacuum switching device is divided into parts unit, divided each parts are divided into upper member group that is configured on the sheet material of above-mentioned top and the lower member group that is configured on the above-mentioned lower sheet, brazing material is inserted between the parts beyond the parts that have insulating properties in the above-mentioned parts group and be heated to the temperature of appointment, when cooling is welded to each other each parts behind the above-mentioned brazing material of fusion, above-mentioned upper member group is fixed on the sheet material of above-mentioned top, and above-mentioned lower member group is fixed on the above-mentioned lower sheet, subsequently, brazing material is inserted respectively between the parts of above-mentioned parts with insulating properties and above-mentioned soldering object as parts with insulating properties, in the temperature heating lower than above-mentioned assigned temperature, cool off behind the above-mentioned brazing material of fusion, thereby with above-mentioned parts with insulation with as the parts welding of the soldering object of the parts of above-mentioned insulating properties, then, in the time of with the top sheet material configuration relative of having fixed above-mentioned upper member group with the lower sheet of having fixed above-mentioned lower member group, with above-mentioned sidepiece sheet material and above-mentioned top sheet material and above-mentioned lower sheet in abutting connection with configuration, when welding above-mentioned top sheet material and above-mentioned sidepiece sheet material, weld above-mentioned lower sheet and above-mentioned sidepiece sheet material, after carrying out vacuum exhaust in the above-mentioned vacuum tank, make airtight above-mentioned vacuum tank.
3. the manufacture method of a vacuum switching device, this vacuum switching device has: the vacuum tank that is made of top sheet material and lower sheet and sidepiece sheet material, the relative a plurality of switching mechanisms that dispose and be contained in the above-mentioned vacuum tank of fixed electrode that the float electrode that is supported by the float electrode bar and the electrode stem that is fixed support, the bus-bars conductor more than 1 or 2 that is connected with the float electrode bar or the fixed electrode bar of above-mentioned each switching mechanism, be connected with the float electrode bar of above-mentioned each switching mechanism, and its a part of and above-mentioned vacuum tank operator outward is connected a plurality of action bars, be connected with the fixed electrode bar of above-mentioned each switching mechanism, and its part is given prominence to a plurality of load side levers outside above-mentioned vacuum tank, along the inside and outside configuration of above-mentioned vacuum tank and cover above-mentioned load side lever around a plurality of insulating properties sleeves, when a part of making above-mentioned each insulating properties sleeve is supported on the vacuum switching device that the wall of above-mentioned vacuum tank forms in above-mentioned vacuum tank, it is characterized in that: when each inscape of above-mentioned vacuum switching device is divided into parts unit, divided each parts are divided into upper member group that is configured on the sheet material of above-mentioned top and the lower member group that is configured on the above-mentioned lower sheet, brazing material is inserted between the parts beyond the parts that have insulating properties in the above-mentioned parts group and be heated to the temperature of appointment, cooling is welded to each other each parts behind the above-mentioned brazing material of fusion, then, in the time of with the top sheet material configuration relative of having fixed above-mentioned upper member group with the lower sheet of having fixed above-mentioned lower member group, with above-mentioned sidepiece sheet material and above-mentioned top sheet material and above-mentioned lower sheet in abutting connection with configuration, when welding above-mentioned top sheet material and above-mentioned sidepiece sheet material, weld above-mentioned lower sheet and above-mentioned sidepiece sheet material, after carrying out vacuum exhaust in the above-mentioned vacuum tank, make airtight above-mentioned vacuum tank.
4. according to the manufacture method of each described vacuum switching device in the claim 1 to 3, it is characterized in that: on the opposite face of above-mentioned each insulating properties sleeve and above-mentioned each load side lever, form conductive film covering.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002206858 | 2002-07-16 | ||
| JP2002206858A JP2004055150A (en) | 2002-07-16 | 2002-07-16 | Manufacturing method of vacuum switchgear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1469404A CN1469404A (en) | 2004-01-21 |
| CN1252766C true CN1252766C (en) | 2006-04-19 |
Family
ID=29774610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031208290A Expired - Fee Related CN1252766C (en) | 2002-07-16 | 2003-03-20 | Method for producing vacuum switch device |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1383148B1 (en) |
| JP (1) | JP2004055150A (en) |
| KR (1) | KR20040010177A (en) |
| CN (1) | CN1252766C (en) |
| DE (1) | DE60308605T2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4667029B2 (en) * | 2004-12-09 | 2011-04-06 | 三菱電機株式会社 | Switchgear |
| JP4162664B2 (en) | 2005-02-22 | 2008-10-08 | 株式会社日立製作所 | Vacuum switchgear |
| CN106783405B (en) * | 2017-01-21 | 2019-08-06 | 旭格威科技（上海）有限公司 | A kind of production method of high-voltage DC contactor |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3283101A (en) * | 1964-11-18 | 1966-11-01 | Gen Electric | Double-break vacuum switch with bellows mounted movable bridging contact |
| US3670123A (en) * | 1971-04-29 | 1972-06-13 | Joslyn Mfg & Supply Co | Multi-point to common point dead tank switch having vacuum insulated contacts and vacuum insulated terminals |
| US3969598A (en) * | 1975-02-03 | 1976-07-13 | General Electric Company | Vacuum-type circuit interrupter with a plurality of sets of contacts in parallel |
| GB1504666A (en) * | 1975-03-22 | 1978-03-22 | Gemvac Kk | Vacuum power interrupter and method of making the same |
| DE3931774A1 (en) * | 1989-09-23 | 1991-04-04 | Calor Emag Elektrizitaets Ag | METHOD FOR PRODUCING A VACUUM SWITCHING CHAMBER |
| JP2941682B2 (en) * | 1994-05-12 | 1999-08-25 | 株式会社東芝 | Vacuum valve and method of manufacturing the same |
| EP1020970B1 (en) * | 1997-09-29 | 2006-06-21 | Mitsubishi Denki Kabushiki Kaisha | Switch gear |
| KR100362232B1 (en) * | 1998-10-02 | 2002-11-23 | 가부시끼가이샤 히다치 세이사꾸쇼 | Vacuum switch and vacuum switchgear using the same |
| JP3577247B2 (en) * | 1999-11-10 | 2004-10-13 | 三菱電機株式会社 | Switchgear |
-
2002
- 2002-07-16 JP JP2002206858A patent/JP2004055150A/en active Pending
-
2003
- 2003-03-20 CN CNB031208290A patent/CN1252766C/en not_active Expired - Fee Related
- 2003-07-11 EP EP03015909A patent/EP1383148B1/en not_active Expired - Lifetime
- 2003-07-11 DE DE60308605T patent/DE60308605T2/en not_active Expired - Lifetime
- 2003-07-15 KR KR1020030048139A patent/KR20040010177A/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| CN1469404A (en) | 2004-01-21 |
| DE60308605T2 (en) | 2007-01-04 |
| KR20040010177A (en) | 2004-01-31 |
| EP1383148A1 (en) | 2004-01-21 |
| DE60308605D1 (en) | 2006-11-09 |
| EP1383148B1 (en) | 2006-09-27 |
| JP2004055150A (en) | 2004-02-19 |
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