CN101800477A - Tin oxide electrode single-phase control heating systemand application method thereof - Google Patents
Tin oxide electrode single-phase control heating systemand application method thereof Download PDFInfo
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- CN101800477A CN101800477A CN 201010141827 CN201010141827A CN101800477A CN 101800477 A CN101800477 A CN 101800477A CN 201010141827 CN201010141827 CN 201010141827 CN 201010141827 A CN201010141827 A CN 201010141827A CN 101800477 A CN101800477 A CN 101800477A
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Abstract
The invention discloses a tin oxide electrode single-phase control heating system and an application method thereof. The single-phase control heating system comprises a control unit, a voltage regulating rectification unit, a contravariant unit, a matching unit and an isolation transformation unit, wherein the voltage regulating rectification unit, the contravariant unit and the isolation transformation unit are connected sequentially; the matching unit is connected to the contravariant unit; the isolation transformation unit is connected with the tin oxide electrode; and the control unit is simultaneously connected with the voltage regulating rectification unit, the contravariant unit and the isolation transformation unit. In the method, alternating-current voltage of which the frequency is between 500 and 5,000 HZ and the waveform is a standard sine wave is applied to an electric boosting tin oxide electrode of a TFT-LCD glass substrate, compact electrolytic bubbles generated on the electrode surface are eliminated, the thermal shock of current shock on the electrode is reduced so that the abnormal damage of the electrode is prevented, and the imbalanced phenomenon caused by high-power single-phase loop power supply of the tin oxide electrode in three-phase power supply is prevented.
Description
Technical field: the invention belongs to the electric smelting field, relate to a kind of tin oxide electrode single-phase control heating systemand and application process thereof, especially a kind of TFT-LCD glass tin oxide electrode single-phase control heating systemand and application process thereof of being applied to.
Background technology: tin oxide electrode is used more and more widely aspect glass electric fluxing and electric smelting at present, and tin oxide electrode has also been used in the fusing of TFT-LCD vitreous electricity.It is electric through the power supply after pressure regulation, the Power Regulation that electrode is controlled one employing 50HZ electric main when using the tin oxide electrode electric boosting, power supply wave shape has not been standard sine wave, some heating power supply is because waveform symmetry is bad, contain certain direct current composition, this power supply is added on the tin oxide electrode, can form the close bubble of electrolysis at electrode surface, the TFT-LCD glass substrate requires very high to the refining quality of glass, almost near limit requirement, the close bubble of electrode surface has certain influence to the glass substrate quality in the glass electric fluxing; The anti-electric heating impact of tin oxide electrode is poor in addition, and it is bigger that the low alternating current of frequency is added on the electrode rush of current, to certain influence is arranged electrode life.
Summary of the invention: the objective of the invention is to overcome the shortcoming of above-mentioned prior art, a kind of tin oxide electrode single-phase control heating systemand is provided, comprise control unit, voltage regulating rectifier unit, inversion unit, matching unit and isolation voltage transformation unit; Described voltage regulating rectifier unit, inversion unit and isolation voltage transformation unit are connected successively; Be connected with matching unit on the described inversion unit; Described isolation voltage transformation unit is connected with tin oxide electrode; Described control unit is connected with voltage regulating rectifier unit, inversion unit and isolation voltage transformation unit simultaneously.
Based on the method for tin oxide electrode single-phase control heating systemand, (1) imports the voltage regulating rectifier unit with three-phase alternating current, and the voltage regulating rectifier unit becomes direct current after with the three-phase alternating current voltage regulating rectifier, and the three-phase alternating current electrical quantity is 380V, 50HZ; (2) direct current is become the single-phase sine wave alternating current of frequency after the inversion unit conversion at 500HZ-5000HZ; (3) single-phase sine wave alternating current becomes the single-phase 500HZ-5000HZ sine wave alternating current of isolation after isolating the voltage transformation unit conversion; (4) sine wave alternating current is outputed to tin oxide electrode, tin oxide electrode is heated.
Described step (2) is that the frequency of regulating single-phase sine wave alternating current by the matching unit that is connected with inversion unit is 500HZ-5000HZ.The single-phase 500HZ-5000HZ AC power source of sine wave power supply through isolating of tin oxide electrode single-phase control heating systemand output of the present invention is controlled TFT-LCD base plate glass electric boosting system tin oxide electrode, solved the problem of following existence: (1), the power supply that is added on the tin oxide electrode are the standard sine wave power supplys that process is isolated, power supply does not contain the direct current composition, has eliminated the fine and close electrolysis bubble that electrode surface produces; (2), the single phase alternating current power supply that is added on the tin oxide electrode is frequency 500HZ-5000HZ power supply, supply frequency is higher, has reduced the thermal shock that rush of current causes electrode, the favourable electrode of avoiding damages unusually; (3), because tin oxide electrode single-phase control heating systemand employing three-phase AC380V 50HZ mains-supplied is output as single phase alternating current power supply, the three phase supply energy imbalance of having avoided the more high-power single-phase loop power supply of tin oxide electrode to cause; The invention has the beneficial effects as follows: this method adds frequency 500HZ-5000HZ for TFT-LCD glass substrate electric boosting tin oxide electrode, waveform is a standard sine wave, no direct current composition, and supply voltage can be according to the self-adjusting control power supply of technological requirement.After TFT-LCD glass substrate electric boosting tin oxide electrode has adopted this control method, eliminated the fine and close electrolysis bubble that electrode surface produces; Reduced the thermal shock that rush of current causes electrode, the favourable electrode of avoiding damages unusually; The three phase supply energy imbalance of having avoided the more high-power single-phase loop power supply of tin oxide electrode to cause.
Description of drawings: Fig. 1 is a tin oxide electrode single-phase control heating systemand structural representation of the present invention.
Wherein: 1 is three-phase alternating-current supply; 2 is the voltage regulating rectifier unit; 3 is inversion unit; 4 for isolating voltage transformation unit; 5 is tin oxide electrode; 6 is control unit; 7 is matching unit.
Embodiment: below in conjunction with accompanying drawing the present invention is done to describe in further detail: referring to Fig. 1, a kind of tin oxide electrode single-phase control heating systemand comprises control unit, voltage regulating rectifier unit, inversion unit, matching unit and isolation voltage transformation unit; Described voltage regulating rectifier unit, inversion unit and isolation voltage transformation unit are connected successively; Be connected with matching unit on the described inversion unit; Described isolation voltage transformation unit is connected with tin oxide electrode; Described control unit is connected with voltage regulating rectifier unit, inversion unit and isolation voltage transformation unit simultaneously.
Based on the method for tin oxide electrode single-phase control heating systemand, (1) imports the voltage regulating rectifier unit with three-phase alternating current, and the voltage regulating rectifier unit becomes direct current after with the three-phase alternating current voltage regulating rectifier, and the three-phase alternating current electrical quantity is 380V, 50HZ; (2) direct current is become the single-phase sine wave alternating current of frequency after the inversion unit conversion at 500HZ-5000HZ; (3) single-phase sine wave alternating current becomes the single-phase 500HZ-5000HZ sine wave alternating current of isolation after isolating the voltage transformation unit conversion; (4) sine wave alternating current is outputed to tin oxide electrode, tin oxide electrode is heated.
Described step (2) is that the frequency of regulating single-phase sine wave alternating current by the matching unit that is connected with inversion unit is 500HZ-5000HZ.
Civil power three-phase AC380V 50HZ AC power becomes DC power supply after by the utility model tin oxide electrode single-phase control heating systemand voltage regulating rectifier unit voltage regulating rectifier; Become the frequency single-phase sine wave alternating current that but gear shift is regulated between 500HZ-5000HZ after the conversion of DC power supply process inversion unit; But matching unit is regulated supply frequency after the inversion by regulating internal capacitance and inductance value gear shift, and supply frequency is between 500HZ-5000HZ after the inversion, and single-phase sine wave alternating current outputs to the isolation voltage transformation unit after the inversion unit conversion; Single-phase 500HZ-5000HZ AC power source of sine wave has formed the single-phase control heating circuit of tin oxide electrode through isolating the single-phase 500HZ-5000HZ AC power source of sine wave controlled oxidation tin electrode that becomes isolation after voltage transformation unit is changed; Microcomputerized control, user-machine interface, communication interface are controlled 2. voltage regulating rectifier unit output dc voltage value automatically by detecting isolation voltage transformation unit out-put supply parameter, thereby have been realized tin oxide electrode single-phase control heating circuit constant current or the control of permanent power; User-machine interface and communication interface provide the interface of operation tin oxide electrode single-phase control heating systemand and have carried out the interface of contact communication with last level controlling system etc. for the user; The single-phase 500HZ-5000HZ AC power source of sine wave power supply through isolating of tin oxide electrode single-phase control heating systemand output is controlled TFT-LCD base plate glass electric boosting system tin oxide electrode, solved the problem of following existence: (1), the power supply that is added on the tin oxide electrode are the standard sine wave power supplys that process is isolated, power supply does not contain the direct current composition, has eliminated the fine and close electrolysis bubble that electrode surface produces; (2), the single phase alternating current power supply that is added on the tin oxide electrode is frequency 500HZ-5000HZ power supply, supply frequency is higher, has reduced the thermal shock that rush of current causes electrode, the favourable electrode of avoiding damages unusually; (3), because tin oxide electrode single-phase control heating systemand employing three-phase AC380V 50HZ mains-supplied is output as single phase alternating current power supply, the three phase supply energy imbalance of having avoided the more high-power single-phase loop power supply of tin oxide electrode to cause; Above content is to further describing that the present invention did in conjunction with concrete preferred implementation; can not assert that the specific embodiment of the present invention only limits to this; for the general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; can also make some simple deduction or replace, all should be considered as belonging to the present invention and determine scope of patent protection by claims of being submitted to.
Claims (3)
1. tin oxide electrode single-phase control heating systemand is characterized in that: comprise control unit, voltage regulating rectifier unit, inversion unit, matching unit and isolation voltage transformation unit; Described voltage regulating rectifier unit, inversion unit and isolation voltage transformation unit are connected successively; Be connected with matching unit on the described inversion unit; Described isolation voltage transformation unit is connected with tin oxide electrode; Described control unit is connected with voltage regulating rectifier unit, inversion unit and isolation voltage transformation unit simultaneously.
2. based on the method for the described heating system of claim 1, it is characterized in that:
(1) three-phase alternating current is imported the voltage regulating rectifier unit, the voltage regulating rectifier unit becomes direct current after with the three-phase alternating current voltage regulating rectifier, and the three-phase alternating current electrical quantity is 380V, 50HZ;
(2) direct current is become the single-phase sine wave alternating current of frequency after the inversion unit conversion at 500HZ-5000HZ;
(3) single-phase sine wave alternating current becomes the single-phase 500HZ-5000HZ sine wave alternating current of isolation after isolating the voltage transformation unit conversion;
(4) sine wave alternating current is outputed to tin oxide electrode, tin oxide electrode is heated.
3. as the method for heating system as described in the claim 3, it is characterized in that: described step (2) is that the frequency of regulating single-phase sine wave alternating current by the matching unit that is connected with inversion unit is 500HZ-5000HZ.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010141827 CN101800477A (en) | 2010-04-08 | 2010-04-08 | Tin oxide electrode single-phase control heating systemand application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010141827 CN101800477A (en) | 2010-04-08 | 2010-04-08 | Tin oxide electrode single-phase control heating systemand application method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114890655A (en) * | 2022-04-27 | 2022-08-12 | 陕西彩虹工业智能科技有限公司 | Electric boosting power supply system for flexible glass kiln |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB731405A (en) * | 1952-06-06 | 1955-06-08 | Carl Berr Shiftung | Method for the electric melting of glass |
| GB886233A (en) * | 1957-06-20 | 1962-01-03 | Elemelt Ltd | Improvements relating to glass melting by electric heating |
| CN1762865A (en) * | 2004-09-01 | 2006-04-26 | 三星康宁株式会社 | Electric boosting system for of smelting kiln of glass furnace |
| CN101168468A (en) * | 2007-09-30 | 2008-04-30 | 彩虹集团电子股份有限公司 | Glass electric fluxing device |
-
2010
- 2010-04-08 CN CN 201010141827 patent/CN101800477A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB731405A (en) * | 1952-06-06 | 1955-06-08 | Carl Berr Shiftung | Method for the electric melting of glass |
| GB886233A (en) * | 1957-06-20 | 1962-01-03 | Elemelt Ltd | Improvements relating to glass melting by electric heating |
| CN1762865A (en) * | 2004-09-01 | 2006-04-26 | 三星康宁株式会社 | Electric boosting system for of smelting kiln of glass furnace |
| CN101168468A (en) * | 2007-09-30 | 2008-04-30 | 彩虹集团电子股份有限公司 | Glass electric fluxing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114890655A (en) * | 2022-04-27 | 2022-08-12 | 陕西彩虹工业智能科技有限公司 | Electric boosting power supply system for flexible glass kiln |
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Open date: 20100811 |