CN103595277A - Pure sine wave inverter capable of strongly restraining electromagnetic radiation - Google Patents
Pure sine wave inverter capable of strongly restraining electromagnetic radiation Download PDFInfo
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- CN103595277A CN103595277A CN201310568478.XA CN201310568478A CN103595277A CN 103595277 A CN103595277 A CN 103595277A CN 201310568478 A CN201310568478 A CN 201310568478A CN 103595277 A CN103595277 A CN 103595277A
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Abstract
The invention discloses a pure sine wave inverter capable of strongly restraining electromagnetic radiation. The pure sine wave inverter capable of strongly restraining the electromagnetic radiation comprises a power input module, a pulse width modulation module, a voltage transformation module, a rectification and filtration module, an average current distribution module, a high-frequency SPWM drive module, an LC filtration module and a sine wave output module. The power input module is connected with the pulse width modulation module, the voltage transformation module, the rectification and filtration module, the average current distribution module, the high-frequency SPWM drive module, the LC filtration module and the sine wave output module in sequence. The power input module is connected with a voltage sampling module, and the pulse width modulation module is connected with a current sampling module. A master controller module is respectively connected with the voltage sampling module, the current sampling module and a display module. The pure sine wave inverter is high in reliability, capable of carrying out multiple times of harmonic restraining, resistant to lighting, resistant to surge, capable of restraining electromagnetic radiation, efficient and capable of saving energy.
Description
Technical field
The invention belongs to electronic technology field, particularly a kind of pure sine wave inverter of strong inhibition electromagnetic radiation.
Background technology
Inverter is a kind of device that direct current is converted to alternating current; at present; a kind of modified sine wave inverter using; by low-voltage driving control circuit, pulse width modulation output driving circuit and protection circuit for input and output, connected and composed; but the waveform that the modified sine wave inverter of this structure produces is when being used precision instrument; signal disturbs larger; cause image data inaccurate; especially at some Medical Devices; on military equipment; requirement for accuracy is higher, even if a little a little disturb and also can produce serious consequence.
Summary of the invention
The object of the present invention is to provide that a kind of reliability is high, multiple harmonic inhibition, anti-lightning strike antisurge, electromagnetic radiation press down
The pure sine wave inverter of system, energy-efficient strong inhibition electromagnetic radiation.
The technical solution that realizes the object of the invention is:
A pure sine wave inverter for strong inhibition electromagnetic radiation, comprises Power Entry Module, pulse width modulation module, voltage changing module, rectification filtering module, average current distribution module, High ireguency SPWM driver module, LC filtration module and sinewave output module; Described Power Entry Module connects pulse width modulation module, voltage changing module, rectification filtering module, average current distribution module, High ireguency SPWM driver module, LC filtration module and sinewave output module successively; Power Entry Module is connected with voltage sampling module, and pulse width modulation module is connected with current sampling module; Described main controller module is connected with voltage sampling module, current sampling module, display module respectively.
The present invention compared with prior art, its remarkable advantage:
(1) pure sine wave inverter of a kind of strong inhibition electromagnetic radiation of the present invention has adopted average current distribution technique, has improved the accuracy and reliability of whole sinewave inverter, makes sinewave inverter output voltage stability of the present invention high.
(2) pure sine wave inverter of a kind of strong inhibition electromagnetic radiation of the present invention has also adopted multiple harmonic inhibition technology electromagnetic radiation inhibition technology and electromagnetic radiation inhibition technology, makes whole sinewave inverter that the output voltage that reliability is high, stability is high can be provided.
(3) pure sine wave inverter of a kind of strong inhibition electromagnetic radiation of the present invention adopts anti-lightning strike antisurge technology, has solved sinewave inverter and has used safety problem, and is provided the useful life of sinewave inverter of the present invention.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the pure sine wave inverter of a kind of strong inhibition electromagnetic radiation of the present invention.
Fig. 2 is the theory diagram of Power Entry Module in the pure sine wave inverter of a kind of strong inhibition electromagnetic radiation of the present invention.
Embodiment
As shown in Figure 1, 2:
A pure sine wave inverter for strong inhibition electromagnetic radiation, comprises Power Entry Module, pulse width modulation module, voltage changing module, rectification filtering module, average current distribution module, High ireguency SPWM driver module, LC filtration module and sinewave output module; Described Power Entry Module connects pulse width modulation module, voltage changing module, rectification filtering module, average current distribution module, High ireguency SPWM driver module, LC filtration module and sinewave output module successively.
The pure sine wave inverter of described strong inhibition electromagnetic radiation also includes voltage sampling module, current sampling module, main controller module and display module; Described Power Entry Module is connected with voltage sampling module, and pulse width modulation module is connected with current sampling module; Described main controller module is connected with voltage sampling module, current sampling module, display module respectively.
Between described sinewave output module and described High ireguency SPWM driver module, be also provided with an output voltage detection module.
Described Power Entry Module comprises that power supply signal module, anti-lightning strike antisurge protection module and electromagnetic radiation suppress module, and power supply signal module connects anti-lightning strike antisurge protection module successively, electromagnetic radiation suppresses module.
Described High ireguency SPWM driver module adopts chip TMS 320 F 2812.
The Master control chip of described average current distribution module adopts UC38548.
Described electromagnetic radiation suppresses module and adopts electromagnetic interface filter.
Will be further to pure sine wave inverter explanation of the present invention in conjunction with embodiment below:
Embodiment 1:
A pure sine wave inverter for strong inhibition electromagnetic radiation, comprises Power Entry Module, pulse width modulation module, voltage changing module, rectification filtering module, average current distribution module, High ireguency SPWM driver module, LC filtration module and sinewave output module; Described Power Entry Module connects pulse width modulation module, voltage changing module, rectification filtering module, average current distribution module, High ireguency SPWM driver module, LC filtration module and sinewave output module successively; Described High ireguency SPWM driver module adopts chip TMS 320 F 2812, and the Master control chip of described average current distribution module adopts UC38548.Described pure sine wave inverter also includes voltage sampling module, current sampling module, main controller module and display module; Described Power Entry Module is connected with voltage sampling module, and pulse width modulation module is connected with current sampling module; Described main controller module is connected with voltage sampling module, current sampling module, display module respectively.Between described sinewave output module and described High ireguency SPWM driver module, be also provided with an output voltage detection module.Described Power Entry Module comprises that power supply signal module, anti-lightning strike antisurge protection module and electromagnetic radiation suppress module, and power supply signal module connects anti-lightning strike antisurge protection module successively, electromagnetic radiation suppresses module.Described electromagnetic radiation suppresses module and adopts electromagnetic interface filter.
Claims (7)
1. a strong pure sine wave inverter that suppresses electromagnetic radiation, is characterized in that: comprise Power Entry Module, pulse width modulation module, voltage changing module, rectification filtering module, average current distribution module, High ireguency SPWM driver module, LC filtration module and sinewave output module; Described Power Entry Module connects pulse width modulation module, voltage changing module, rectification filtering module, average current distribution module, High ireguency SPWM driver module, LC filtration module and sinewave output module successively.
2. the pure sine wave inverter of a kind of strong inhibition electromagnetic radiation according to claim 1, is characterized in that: described pure sine wave inverter also includes voltage sampling module, current sampling module, main controller module and display module; Described Power Entry Module is connected with voltage sampling module, and pulse width modulation module is connected with current sampling module; Described main controller module is connected with voltage sampling module, current sampling module, display module respectively.
3. the pure sine wave inverter of a kind of strong inhibition electromagnetic radiation according to claim 1, is characterized in that: between described sinewave output module and described High ireguency SPWM driver module, be also provided with an output voltage detection module.
4. the pure sine wave inverter of a kind of strong inhibition electromagnetic radiation according to claim 1; it is characterized in that: described Power Entry Module comprises that power supply signal module, anti-lightning strike antisurge protection module and electromagnetic radiation suppress module, and power supply signal module connects anti-lightning strike antisurge protection module successively, electromagnetic radiation suppresses module.
5. the pure sine wave inverter of a kind of strong inhibition electromagnetic radiation according to claim 1, is characterized in that: described High ireguency SPWM driver module adopts chip TMS 320 F 2812.
6. the pure sine wave inverter of a kind of strong inhibition electromagnetic radiation according to claim 1, is characterized in that: the Master control chip of described average current distribution module adopts UC38548.
7. the pure sine wave inverter of a kind of strong inhibition electromagnetic radiation according to claim 4, is characterized in that: described electromagnetic radiation suppresses module and adopts electromagnetic interface filter.
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CN201310568478.XA CN103595277A (en) | 2013-11-15 | 2013-11-15 | Pure sine wave inverter capable of strongly restraining electromagnetic radiation |
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CN201310568478.XA CN103595277A (en) | 2013-11-15 | 2013-11-15 | Pure sine wave inverter capable of strongly restraining electromagnetic radiation |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105978390A (en) * | 2016-03-17 | 2016-09-28 | 天宝电子(惠州)有限公司 | Pure sine wave inverter control method and device and inverter circuit |
CN106059369A (en) * | 2016-07-04 | 2016-10-26 | 苏州迈力电器有限公司 | Pure sine wave inverter with high-frequency chopper voltage sampling and isolating function |
-
2013
- 2013-11-15 CN CN201310568478.XA patent/CN103595277A/en not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105978390A (en) * | 2016-03-17 | 2016-09-28 | 天宝电子(惠州)有限公司 | Pure sine wave inverter control method and device and inverter circuit |
CN105978390B (en) * | 2016-03-17 | 2019-04-16 | 天宝电子(惠州)有限公司 | A kind of pure sine wave inverter control method, device and inverter circuit |
CN106059369A (en) * | 2016-07-04 | 2016-10-26 | 苏州迈力电器有限公司 | Pure sine wave inverter with high-frequency chopper voltage sampling and isolating function |
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Application publication date: 20140219 |