CN101067912A - High efficiency plasma inverter - Google Patents
High efficiency plasma inverter Download PDFInfo
- Publication number
- CN101067912A CN101067912A CNA2006100864108A CN200610086410A CN101067912A CN 101067912 A CN101067912 A CN 101067912A CN A2006100864108 A CNA2006100864108 A CN A2006100864108A CN 200610086410 A CN200610086410 A CN 200610086410A CN 101067912 A CN101067912 A CN 101067912A
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- inverter
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- power supply
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/028—Generation of voltages supplied to electrode drivers in a matrix display other than LCD
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/04—Display protection
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/04—Display protection
- G09G2330/045—Protection against panel overheating
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/12—Test circuits or failure detection circuits included in a display system, as permanent part thereof
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Inverter Devices (AREA)
- Power Engineering (AREA)
Abstract
The invention relates to high efficiency plasma inverter for utilizing a inverter to light plurality of panels comprising: a surge-protect circuit section; an input filter section; a rectification circuit section; a reactor section; a PFC (Power Factor Correction) switch part of PWM (pulse-width modulation) mode; a PFC control section; an auxiliary power supply section; an MCU (micro controller unit) section; a panel state sensor circuit section; a panel control section; a panel switch section; a transformer section.
Description
Technical field
The present invention relates to utilize an inverter to light a plurality of panels; and the inverter that can divide a panel and light by zoning; after particularly relating to a kind of input power supply commonly used; the plasma advertisement required high_frequency sine wave of panel takes place; can respond to the various states of the panel that is connected with above-mentioned inverter; protect above-mentioned panel, the high efficiency plasma inverter of controlling the high capacity of lighting form, the high voltage of each panel and power consumption being maximized.
Background technology
In general, inverter (Inverter) is meant the device that direct current wheel is changed to alternating current, and alternating current is converted to galvanic transducer (Converter) and makes a distinction.Along with the development of field of power electronics, but offering of lower priced articles is converted to the device of interchange to direct current, is referred to as inverter, also refers to have simultaneously inverter functionality and inverter function but recently.According to its application target, also have and to make frequency keep function certain or that change.
The principle of inverter is after AC power commonly used is converted to direct supply, to be converted to exchanging of optional frequency and voltage once more, the rotational speed of control of induction.Meaning on the dictionary is meant the DC power source conversion to be the power supply change-over device of AC power supplies, but general general designation is used to control the voltage of AC power supplies and the power inverter of frequency.
The actual formation of aforesaid inverter is very complicated, comprise AC power supplies commonly used is converted to the DC power supply transducer (Converter) partly, cut off the DC power supply and be converted to voltage and the inverter of the AC power supplies of frequency change (Inverter) part, but generally be referred to as inverter (Inverter).
Fig. 1 is the circuit diagram that shows basic inverter in the past.As above-mentioned shown in Figure 1, the power supply of input is an AC power supplies, is the AC power supplies rectification DC power supply, utilizes capacitor in addition level and smooth, forms the DC power supply.Utilize switching device (mainly being IGBT) to the DC power supply of such formation carry out+,-switch reverse, input transformer.Transformer is an AC power supplies 2 times, has drive plate and control panel that signal is provided to switching device separately, can utilize the mode that needs to form the AC power supplies characteristic.
The suitable output voltage of above-mentioned inverter is low, the device of low capacity, and illumination is low, compares with size, and power consumption is bigger, therefore, and the problem that existence can't be used in large capacity equipment.
In addition, because of the breakage of the equipment that is connected with above-mentioned inverter and link the broken string that causes, may cause the damage of the circuit board that comprises above-mentioned inverter, existence may be leaked electricity or the problem of human electric shock's accident.
And original problem of lighting the inverter of display panel is to utilize an inverter to light a plurality of panels, or divides above-mentioned panel and light by zoning, and does not have and light variation, can't satisfy the trickle satisfaction requirement of user.
Summary of the invention
For addressing the above problem, the object of the present invention is to provide a kind of input power supply commonly used after, the inverter of plasma advertisement with the required high_frequency sine wave of panel takes place.
Another object of the present invention is to provide a kind of holding circuit of the various states at the inner built-in sensitive panel of inverter; induction is because of the linking of the breakage of panel, panel, the bad overload state that causes of panel, the function of human electric shock's accident that prevention causes because of the rainy day electric leakage.
In addition, another object of the present invention is to provide a kind of startup/when closing panel, the brightness of backlight of panel brightens from black, the function that substep changes, and can be simultaneously or light the function of a panel or a plurality of panels successively.
Description of drawings
Fig. 1 is the circuit diagram that shows basic inverter in the past.
Fig. 2 is the block diagram that shows the integral body formation of high efficiency plasma inverter of the present invention.
Fig. 3 is the curve map of status signal of panel that shows the panel state sensor circuit portion induction of high efficiency plasma inverter of the present invention.
Fig. 4 is the block diagram of another embodiment of showing that high efficiency plasma inverter of the present invention is connected with panel.
The symbol description of accompanying drawing major part
100: surge protecting circuit portion 110: input filter portion
120: rectification circuit portion 130: reactor section
140: the 150:PFC of smoothing circuit portion switching part
160:PFC control part 170: accessory power supply portion
180:MCU portion 190: panel state sensor circuit portion
200: panel control part 210: the panel switching part
220: transformer portion
Embodiment
For achieving the above object, the present invention relates to utilize an inverter to light a plurality of panels, and the inverter that can divide a panel and light by zoning.Above-mentioned inverter is behind input power supply commonly used; the plasma advertisement required high_frequency sine wave of panel takes place; but be built-in with the holding circuit of the various states of induction panel; protect above-mentioned panel; can be simultaneously or control the form of lighting of each panel successively; applied power factor compensating circuit is a kind of high capacity, high voltage and the high efficiency plasma inverter of realizing the power consumption maximization.
For specifying the present invention, be elaborated with reference to the accompanying drawings.
Fig. 2 is the block diagram that shows the integral body formation of high efficiency plasma inverter of the present invention.
As above-mentioned shown in Figure 2, light the inverter of a plurality of panels at utilizing an inverter, above-mentioned inverter is by the high efficiency plasma inverter that constitutes as the lower part: surge (Surge) holding circuit portion (100), after power supply commonly used-AC power supplies input, when the back electromotive force because of thunderbolt or induction electric equipment flows into excessive input voltage, protection panel and inverter; Input filter portion (110), noise contribution or the inner high frequency noise that takes place of inverter at the power supply of importing by above-mentioned surge (Surge) holding circuit portion (100) commonly used use noise filter (Noise Filter) to prevent that it from flowing to above-mentioned mains side commonly used; Rectification circuit portion (120), its handle is the required DC composition of inverter in above-mentioned input filter portion (110) to the power source conversion commonly used that noise carries out filtering; Reactor section (130), it preserves the pulsation that flows into by above-mentioned rectification circuit portion (120); Smoothing circuit portion (140), it generates stable voltage in above-mentioned reactor section (130); PWM (Pulse Width Modulation, width modulation) PFC of mode (Power Factor Collection) switching part (150), its gating pulse width, make above-mentioned reactor section (140) charge or discharge, make PFC (Power Factor Collection) output voltage keep certain; PFC (Power Factor Collection) control part (160), it makes the current phase of the power supply commonly used that is out of shape because of above-mentioned input filter portion (110), rectification circuit portion (120) and level and smooth circuit part (140) consistent with voltage-phase, the compensation power factor; Accessory power supply portion (170), it supplies the dc voltage power supply of the various elements of above-mentioned inverter inside from the voltage of above-mentioned rectification circuit portion (120) input rectifying; MCU (Micro Controller Unit, microcontroller) portion (180), the voltage that it produces by above-mentioned accessory power supply portion (170), control panel light form; Panel state sensor circuit portion (190), it is by the control of above-mentioned MCU (Micro Controller Unit) portion (180), the breakage of the linking of induction panel, panel automatically, with the short-circuit condition of panel wire connecting (Line) broken string and panel; Panel control part (200), it is according to the ON/OFF signal in above-mentioned MCU (the Micro Controller Unit) portion (180), carries out the whether action of occurrence frequency, determines each panel corresponding frequencies, by each panel resonance point is set; Panel switching part (210), it switches PFC (Power Factor Collection) power supply from above-mentioned panel control part (200) input pulse output signal; Transformer portion (220), the capacitive component that it meets the electric weight that transmits from above-mentioned panel switching part (210) to generate the corresponding panel and the frequency values of access are carried out resonance action and transformation action, light panel.
At the high efficiency plasma inverter of the present invention that as above constitutes, be further elaborated below by each composed component.
From the outside behind the power supply commonly used of above-mentioned inverter input AC 90V～264V/47HZ～63HZ; power supply commonly used at above-mentioned input; when surge (Surge) holding circuit portion (100) flows into excessive input voltage at the back electromotive force because of thunderbolt or induction electric equipment, protection panel and inverter.Above-mentioned surge (Surge) holding circuit portion (100) uses rheostat (Varistor) to constitute holding circuit.
For the power supply commonly used that flows into by above-mentioned surge (Surge) holding circuit portion (100); the high frequency noise of generation was guided ground into when input filter portion (110) used noise contribution that noise filter (Noise Filter) flows into normal mode noise (Normal Mode Noise) and common-mode noise (Common Mode Noise) etc. by power supply commonly used or inverter switching; make it not flow to mains side commonly used; or eliminate by heating, the miscellaneous equipment of common use power supply commonly used is not exerted an influence.
The power supply commonly used that transmits by above-mentioned input filter portion (110) carries out the electric wave rectification in rectification circuit portion (120), is converted to the required pulsating volage of inverter input.Utilize power thermistor (Power Thermister) behind above-mentioned inverter input power supply commonly used; in order to charge to capacitor; moment produces flowing of a large amount of electric currents, and above-mentioned surge (Surge) holding circuit portion has the function of the excessive moment inrush current (Inrush Current) that at this moment containment take place.
The pulsation of the 120HZ that flows into by above-mentioned rectification circuit portion (120) is stored in reactor section (130).In addition, as the energy magazine of the energy of putting aside commutating voltage, above-mentioned reactor section (130) makes it PWM (Pulse WidthModulation) pulse that the conversion of the switching part-PFC of charge or discharge (Power Factor Collection) switching part (150) generates by PFC (Power Factor Collection) change action.
In addition, the PWM of above-mentioned reactor section (130) (Pulse Width Modulation) pulse flows into above-mentioned smoothing circuit portion (140), and is in addition level and smooth by the required DC380V～400V of above-mentioned inverter.
Wherein, above-mentioned PFC (Power Factor Collection) switching part (150) is in order to make PFC (Power Factor Collection) output voltage remain DC380V～400V, and the switching part of the PWM that pulse-width is controlled (Pulse Width Modulation) mode, even the input voltage change also remains certain voltage.
For general inverter or power supply device, phase deviation takes place according to coil composition and capacitor composition in the power source voltage commonly used and the current phase that insert by power supply, so above-mentioned inverter also through above-mentioned input filter portion (110), rectification circuit portion (120) and level and smooth circuit part (140) phase deviation takes place, cause the power consumption of power supply commonly used to increase.Therefore, PFC (Power FactorCollection) control part (160) and be power factor correction portion is consistent the current phase of above-mentioned power supply commonly used and voltage-phase, the compensation power factor, its effect is the deviation that reduces two phase place, greatly reduces the power consumption of power supply commonly used.
Therefore, general switching type power supply (SMPS, Switching Mode Power Supply) or inverter as to electric the conversion from outside supply, make it to meet the modular type power supply device of various electrical equipments, its energy efficiency is very low, has only about 50%～60%, on the contrary, by PFC (Power Factor Collection) circuit, promptly power factor correction circuit has the efficiency more than 90%.
In addition, above-mentioned PFC (Power Factor Collection) control part (160) becomes the certain voltage of DC380V～400V in order to make PFC (Power Factor Collection) output voltage, detect output voltage, the reference voltage inner with PFC (Power Factor Collection) application-specific integrated circuit (Integrated Circuit) compares and enlarges, if voltage reduces, then increase the pulse width of PWM (Pulse WidthModulation) waveform, if opposite voltage rises, then reduce pulse width, remain certain dc voltage.
And; above-mentioned PFC (Power Factor Collection) control part (160) has following function; promptly; if PFC (Power Factor Collection) output voltage rises to more than the required voltage; then in order to protect panel; utilize the form of internal overvoltage, have defencive function, protect above-mentioned panel to avoid overvoltage injury.
Accessory power supply portion (170) supplies the power supply of the inner various IC (Integrated Circuit) that use of above-mentioned inverter from the voltage of above-mentioned rectification circuit portion (120) input rectifying.Press the voltage that the voltage supply about DC10V～15V is imported from above-mentioned rectification circuit portion (120).
The voltage that the above-mentioned accessory power supply portion of MCU (Micro Controller Unit) portion (180) input (170) takes place, as the core parts of inverter inside, control panel light form.
Above-mentioned MCU (Micro Controller Unit) portion (180) except start/close panel basic function, also above-mentioned MCU (Micro Controller Unit) portion (180) built-in when plate is lighted, change substep (Gradation) functional programs of brightness step by step, can be when making above-mentioned panel have reflecting feel, give its indistinct variation sense etc., have multiple variation.Also be built-in with driving circuit, it is used for decision divides and lights successively by each district in a panel, or simultaneously or light panel #1～a plurality of panels such as panel #N successively.
As wireless volume, regulate light by rotation, make each panel accurately be shown as the brightness that the user wishes, can carry out trickle adjusting, therefore can basis
Adjustment state carry out the multiple programing change of lighting.
And; above-mentioned MCU (Micro Controller Unit) portion (180) comprises the temperature sensor of the internal temperature of inductive inverter; if the temperature of said temperature sensor determination has surpassed the scope of prior setting, the then protection of the above-mentioned inverter of execute protection action.
In addition, above-mentioned MCU (Micro Controller Unit) portion (180) is connected with panel state sensor circuit portion (190), according to the status signal of above-mentioned panel state sensor circuit portion (190) induction, and the various protection actions that the execute protection panel is required.
Fig. 3 is the curve map of status signal of panel that shows the panel state sensor circuit portion induction of high efficiency plasma inverter of the present invention.
As above-mentioned shown in Figure 3, utilize the electric current of the output induction supply of inverter, if sense above-mentioned electric current at O I
1The interval, then above-mentioned panel state sensor circuit portion (190) is identified as not connecting state of panel, cuts off the electric power to above-mentioned panel supply.And per second is sent above-mentioned inverter output again, and induction is about the electric current of the output of supply, if the electric current between same zone then monitors the HICCP action of the output of the above-mentioned inverter of per second repeatedly.
Above-mentioned repeatedly HICCP action is if sense I
1 I
2Interval electric current then is identified as the normal binding of panel, is shown as normal output state, to the transmission of above-mentioned MCU (MicroController Unit) portion, makes panel light normalization.
In addition, if the induced signal of above-mentioned panel state sensor circuit portion (190) is shown as I
2 I
3The interval then is identified as abnormality such as the breakage of panel and short circuit, is judged as the output excess current, so cut off the output of above-mentioned inverter, above-mentioned repeatedly O I
1Whether interval HICCUP action, it is normal to differentiate panel.
Therefore, above-mentioned panel state sensor circuit portion (190) is by above-mentioned action, the breakage (zero load or overload) of the not binding (zero load) of induction panel, panel automatically, with the short-circuit condition of panel wire connecting (Line) broken string and panel.Respond to above-mentioned state, cut off power supply, the electric leakage of containment rainy day and human electric shock's accident or be derived from the leaky of miscellaneous equipment.
Panel control part (200) is according to the ON/OFF signal in above-mentioned MCU (the Micro Controller Unit) portion (180), carries out the whether action of occurrence frequency, determines each panel corresponding frequencies, by each panel resonance point is set.
Panel switching part (210) is from above-mentioned panel control part (200) input pulse output signal, switch PFC (Power Factor Collection) power supply, its circuit constitutes the switching construction that adopts clamp pattern (ClampMode), and the PFC of above-mentioned switching (Power Factor Collection) power supply is delivered to transformer portion (220).
Above-mentioned transformer portion (220) makes and transmits from above-mentioned panel switching part (210)
Meet the capacitive component that in the corresponding panel, generates and the frequency values of access, carry out resonance action and transformation action, actually light above-mentioned panel.
In addition, above-mentioned panel control part (200), panel switching part (210) and transformer portion (220) are made of the identical number of a plurality of panel numbers that is connected with above-mentioned inverter.
Fig. 4 is the block diagram of another embodiment of showing that high efficiency plasma inverter of the present invention is connected with panel.
As above-mentioned shown in Figure 4, demonstration be one that only has in panel control part (200), panel switching part (210) and the transformer portion (220), another embodiment that lights of each panel of being connected with inverter of control.
As above useful embodiment of the present invention is illustrated, but the present invention is not limited to the above embodiments, in the scope of the main idea of the present invention that does not break away from following claims requirement, can carry out numerous variations by having Chang Shizhe in the field under the present invention, technical spirit of the present invention just is being this.
As the above-mentioned detailed description of doing, high efficiency plasma inverter of the present invention uses PFC (Power Factor Collection) circuit to the more stable electric current of each fittings supply, has the power consumption that can reduce unnecessary waste, the current conversion that prevents unnecessary waste is heat, the effect that causes temperature to rise.
In addition; high efficiency plasma inverter of the present invention is in the holding circuit of the various states of the inner built-in sensitive panel of above-mentioned inverter; induction is because of the linking of the breakage of panel, panel, the bad overload state that causes of panel, has the effect of the defencive function that can carry out human electric shock's accident that prevention causes because of the rainy day electric leakage.
In addition, the built-in substep of high efficiency plasma inverter of the present invention (Gradation) function and can in a panel, lighting successively by each district, perhaps can be simultaneously or light the driving circuit of a plurality of panels successively, having can be in the remarkable effect of fine giving multiple variation aspect the display packing of above-mentioned panel.
Claims (9)
1. high efficiency plasma inverter, light a plurality of panels at utilizing an inverter, and the inverter that can divide a panel and light by zoning, it is characterized in that constituting: surge (Surge) holding circuit portion by following several parts, after power supply commonly used-AC power supplies input, when the back electromotive force because of thunderbolt or induction motor flows into excessive input voltage, protection panel and inverter; Input filter portion, noise contribution or the inner high frequency noise that takes place of inverter at the power supply of importing by above-mentioned surge (Surge) holding circuit portion commonly used use noise filter (Noise Filter) to prevent that it from flowing to above-mentioned mains side commonly used; Rectification circuit portion, its is being the required DC composition of inverter in above-mentioned input filter portion to the power source conversion commonly used that noise carries out filtering; Reactor section, its preserves the pulsation by the inflow of above-mentioned rectification circuit portion; Smoothing circuit portion, it generates stable voltage in above-mentioned reactor section; PWM (Pulse WidthModulation, width modulation) PFC of mode (Power Factor Collection) switching part, its gating pulse width makes above-mentioned reactor section charge or discharge, makes PFC (Power Factor Collection) output voltage keep certain; PFC (Power Factor Collection) control part, it make because of above-mentioned input filter portion, rectification circuit portion consistent with the current phase of the power supply commonly used that level and smooth circuit part is out of shape with voltage-phase, the compensation power factor; Accessory power supply portion, it supplies the dc voltage power supply of the various elements of above-mentioned inverter inside from the voltage of above-mentioned rectification circuit portion input rectifying; MCU (Micro ControllerUnit, microcontroller) portion, the voltage that it produces by above-mentioned accessory power supply portion, control panel light form; Panel state sensor circuit portion, it is by the control of above-mentioned MCU (Micro Controller Unit) portion, the breakage of the linking of induction panel, panel automatically, with the short-circuit condition of panel wire connecting (Line) broken string and panel; The panel control part, it is according to the ON/OFF signal in above-mentioned MCU (the Micro Controller Unit) portion, carries out the whether action of occurrence frequency, determines each panel corresponding frequencies, by each panel resonance point is set; The panel switching part, it switches PFC (Power Factor Collection) power supply from above-mentioned panel control part input pulse output signal; Transformer portion, it makes from the electric weight of above-mentioned panel switching part transmission and meet the capacitive component that generates and the frequency values of access the corresponding panel, carries out resonance action and transformation action, lights panel.
2. high efficiency plasma inverter according to claim 1 is characterized in that: above-mentioned surge (Surge) holding circuit portion uses rheostat (Varistor) to constitute holding circuit.
3. high efficiency plasma inverter according to claim 1 is characterized in that: above-mentioned rectification circuit portion is contained in the excessive moment inrush current that produces when power supply commonly used drops at first.
4. high efficiency plasma inverter according to claim 1 is characterized in that: above-mentioned PFC (PowerFactor Collection) switching part still keeps certain voltage when the input voltage change.
5. high efficiency plasma inverter according to claim 1 is characterized in that: above-mentioned PFC (PowerFactor Collection) control part is adjusted the pulse width of PWM (Pulse Width Modulation) waveform, keeps certain dc voltage.
6. high efficiency plasma inverter according to claim 1 is characterized in that: above-mentioned PFC (PowerFactor Collection) control part is protected panel when PFC (Power Factor Collection) output voltage generation superpotential.
7. high efficiency plasma inverter according to claim 1 is characterized in that: above-mentioned MCU (MicroController Unit) portion carries out substep (Gradation) function when panel is lighted.
8. high efficiency plasma inverter according to claim 1 is characterized in that: above-mentioned MCU (MicroController Unit) portion simultaneously or light a plurality of panels successively regulates the brightness that user wishes at each panel, realizes the multiple change of lighting.
9. high efficiency plasma inverter according to claim 1 is characterized in that: the internal temperature of above-mentioned MCU (MicroController Unit) portion's inductive inverter prevents above-mentioned inverter overheating.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060040673A KR100655245B1 (en) | 2006-05-04 | 2006-05-04 | High efficiency plasma inverter |
| KR1020060040673 | 2006-05-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101067912A true CN101067912A (en) | 2007-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100864108A Pending CN101067912A (en) | 2006-05-04 | 2006-06-19 | High efficiency plasma inverter |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100655245B1 (en) |
| CN (1) | CN101067912A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101325446B1 (en) * | 2011-12-21 | 2013-11-04 | 엘에스산전 주식회사 | Power supply apparatus of motor starter and power status monitoring method |
| KR101799229B1 (en) * | 2017-03-07 | 2017-11-20 | (주)엠투시스템 | SMPS control system for LED light |
| CN109548237B (en) * | 2018-12-07 | 2024-03-12 | 湖北集润科技有限公司 | Centralized and distributed LED integrated power supply system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995022194A1 (en) * | 1994-02-10 | 1995-08-17 | Philips Electronics N.V. | High frequency ac/ac converter with power factor correction |
| KR20010010414A (en) * | 1999-07-20 | 2001-02-15 | 구자홍 | Power factor correcting apparatus and method of inverter |
| KR100304585B1 (en) * | 1999-07-20 | 2001-11-01 | 구자홍 | Power factor correcting apparatus of inverter |
-
2006
- 2006-05-04 KR KR1020060040673A patent/KR100655245B1/en not_active IP Right Cessation
- 2006-06-19 CN CNA2006100864108A patent/CN101067912A/en active Pending
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| KR100655245B1 (en) | 2006-12-08 |
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