CN202395675U - Sine-wave generator - Google Patents
Sine-wave generator Download PDFInfo
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- CN202395675U CN202395675U CN2011205186403U CN201120518640U CN202395675U CN 202395675 U CN202395675 U CN 202395675U CN 2011205186403 U CN2011205186403 U CN 2011205186403U CN 201120518640 U CN201120518640 U CN 201120518640U CN 202395675 U CN202395675 U CN 202395675U
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- 239000003990 capacitor Substances 0.000 claims abstract description 24
- 238000004804 winding Methods 0.000 claims description 8
- 239000004065 semiconductor Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model provides a sine-wave generator, which comprises first transformers T1 and T2, wherein an input coil of the first transformer T1 is connected with a diode D2 and an electronic switch K2 in series sequentially and is afterwards grounded, and a capacitor C2 is arranged and is connected with the electronic switch K2 in parallel, so that a first LC resonant circuit is formed; an input coil of the second transformer T2 is connected with a diode D1 and an electronic switch K1 in series sequentially and is afterwards grounded, and the diode D1 is connected with the electronic switch K1 in series and is afterwards connected with the capacitor C1 in parallel, so that a second LC resonant circuit is formed; and since the output coils of the transformers T1 and T2 are reversed and connected with each other in parallel, the sine waves of two semi-cycles form a complete sine wave. An output end is connected with an electromagnetic coil of an electrodeless lamp, thereby isolating the electrodeless lamp; and since sine wave is directly input into the electromagnetic coil, the coil does not emit heat, and the luminous efficiency is high.
Description
Technical field
The utility model relates to sine-wave generator, the sine-wave generator that especially utilizes metal-oxide-semiconductor or IGBT to realize.
Background technology
Sine-wave generator is meant the circuit that does not need input signal control just can automatically direct current be converted into the sinusoidal alternating voltage (electric current) of CF and amplitude.It is made up of four parts: amplifying circuit, frequency-selective network, feedback network and fixed amplitude circuit.Sine-wave generator is widely used in the various electronic equipments.This type of is the accuracy and the stability of frequency of oscillation and amplitude of oscillation to the generator requirement in using.The another kind of purposes of sine-wave generator is as the sinusoidal alternating energy in high-frequency heating apparatus and the medical electrical medical apparatus.This type mainly is to produce enough big sinusoidal alternating power expeditiously to the generator requirement in using.Low and the heating important disadvantages of existing sine-wave generator ubiquity usefulness.
Summary of the invention
The utility model technical problem to be solved provides a kind of sine-wave generator, and its usefulness is high, and caloric value is little.
For solving the problems of the technologies described above; Technical scheme of the present invention is: a kind of sine-wave generator; Comprise the first transformer T1, the second transformer T2; Ground connection after the input coil of the said first transformer T1 is connected with diode D2 and electronic switch K2 successively, it is parallelly connected with said electronic switch K2 to be provided with capacitor C 2, and the input coil of the said first transformer T1, diode D2, electronic switch K2 and capacitor C 2 are formed a LC resonant circuit; Ground connection after the input coil of the said second transformer T2 is connected with diode D1 and electronic switch K1 successively; Said diode D1 and electronic switch K1 series connection back are parallelly connected with capacitor C 1, and the input coil of the said second transformer T2, diode D1, electronic switch K1 and capacitor C 1 are formed the 2nd LC resonant circuit; The output winding of said transformer T1 and T2 is reverse each other and parallelly connected.
The utility model principle is to produce sinusoidal wave half period separately in that two transformer T1, T2 are last, the output anti-phase each other of transformer and with they and be linked together, so just complete sine wave of the sine wave of two half periods formation.This generator efficiency can reach more than percent 99, and power can reach kilowatt, and frequency can accomplish more than the 2M, and can realize that input and output isolate; Its range of application is very wide, and the solenoid that connects electrodeless lamp at output can make electrodeless lamp realize isolating, because the direct input sine wave of solenoid, coil does not generate heat, and luminous efficiency is high; Be applied on the ultrasonic wave and can obviously improve its efficient; Militarily can reduce the radiation of high order harmonic component.
As improvement, said electronic switch K1, K2 are metal-oxide-semiconductor or IGBT, and by its conducting of driving circuit drives or close.When drive signal let electronic switch K2 conducting, the input coil of transformer T1 was filled with; When drive signal let electronic switch K2 end, transformer T1 input coil charged to capacitor C 2, thereby has produced the sine wave of half period.When drive signal let electronic switch K1 conducting, the input coil of transformer T2 was filled with; When drive signal let electronic switch K1 end, transformer T2 input coil charged to capacitor C 1, thereby has produced the sine wave of half period.Since the output anti-phase each other of transformer T1, T2 and with they and be linked together, so just complete sine wave of the sine wave of two half periods formation.
As improvement, the output winding two ends of said transformer T1 and T2 are connected with load respectively.The solenoid that connects electrodeless lamp at output can make electrodeless lamp realize isolating, because the direct input sine wave of solenoid, coil does not generate heat, and luminous efficiency is high.
The beneficial effect that the utility model is compared with prior art brought is:
The utility model principle is to produce sinusoidal wave half period separately in that two transformer T1, T2 are last, the output anti-phase each other of transformer and with they and be linked together, so just complete sine wave of the sine wave of two half periods formation.This generator efficiency can reach more than percent 99, and power can reach kilowatt, and frequency can accomplish more than the 2M, and can realize that input and output isolate; Its range of application is very wide, and the solenoid that connects electrodeless lamp at output can make electrodeless lamp realize isolating, because the direct input sine wave of solenoid, coil does not generate heat, and luminous efficiency is high; Be applied on the ultrasonic wave and can obviously improve its efficient; Militarily can reduce the radiation of high order harmonic component.
Description of drawings
Fig. 1 is the utility model circuit diagram.
Fig. 2 is sinusoidal wave sketch map for output constitutes.
Embodiment
Below in conjunction with Figure of description the present invention is described further.
Embodiment 1
As shown in Figure 1, a kind of sine-wave generator comprises the first transformer T1, the second transformer T2, ground connection after the input coil of the said first transformer T1 is connected with diode D2 and electronic switch K2 successively, and it is parallelly connected with said electronic switch K2 to be provided with capacitor C 2; The input coil of the said first transformer T1, diode D2, electronic switch K2 and capacitor C 2 are formed a LC resonant circuit.Ground connection after the input coil of the said second transformer T2 is connected with diode D1 and electronic switch K1 successively, said diode D1 and electronic switch K1 series connection back are parallelly connected with capacitor C 1; The input coil of the said second transformer T2, diode D1, electronic switch K1 and capacitor C 1 are formed the 2nd LC resonant circuit.The output winding of said transformer T1 and T2 is reverse each other and parallelly connected, and the output winding two ends V2 of said transformer T1 and T2, V3 are connected with load respectively, and the load of present embodiment is the solenoid of electrodeless lamp.
As shown in Figure 2, said electronic switch K1, K2 are metal-oxide-semiconductor, and by its conducting of driving circuit drives or close.When drive signal let electronic switch K2 conducting, high-tension electricity was filled with the input coil of transformer T1; When drive signal lets electronic switch K2 end; The input coil of transformer T1 charges to capacitor C 2, has produced the sine wave of half period at the C point, because the effect of diode D2; Make the C point negative pressure occur; Again to its charging, wanting ben herein be at 1 volt point transformer T1 to be charged when the voltage of ordering as C arrived zero volt by negative pressure, and the loss of metal-oxide-semiconductor can be ignored; When drive signal let electronic switch K1 conducting, the input coil of transformer T2 was filled with; When drive signal lets electronic switch K1 end; Transformer T2 input coil charges to capacitor C 1, has produced the sine wave of half period at the D point, because the effect of diode D1; Make the D point negative pressure occur; Again to its charging, wanting ben herein be at 1 volt point transformer T2 to be charged when the voltage of ordering as D arrived zero volt by negative pressure, and the loss of metal-oxide-semiconductor can be ignored; Since the output anti-phase each other of transformer T1, T2 and with they and be linked together, so just complete sine wave of the sine wave of two half periods formation.
Embodiment 2
As shown in Figure 1, a kind of sine-wave generator comprises the first transformer T1, the second transformer T2, ground connection after the input coil of the said first transformer T1 is connected with diode D2 and electronic switch K2 successively, and it is parallelly connected with said electronic switch K2 to be provided with capacitor C 2; The input coil of the said first transformer T1, diode D2, electronic switch K2 and capacitor C 2 are formed a LC resonant circuit.Ground connection after the input coil of the said second transformer T2 is connected with diode D1 and electronic switch K1 successively, said diode D1 and electronic switch K1 series connection back are parallelly connected with capacitor C 1; The input coil of the said second transformer T2, diode D1, electronic switch K1 and capacitor C 1 are formed the 2nd LC resonant circuit.The output winding of said transformer T1 and T2 is reverse each other and parallelly connected, and the output winding two ends V2 of said transformer T1 and T2, V3 are connected with load respectively, and the load of present embodiment is the solenoid of electrodeless lamp.
As shown in Figure 2, said electronic switch K1, K2 are IGBT, and by its conducting of driving circuit drives or close.When drive signal let electronic switch K2 conducting, high-tension electricity was filled with the input coil of transformer T1; When drive signal lets electronic switch K2 end; The input coil of transformer T1 charges to capacitor C 2, has produced the sine wave of half period at the C point, because the effect of diode D2; Make the C point negative pressure occur; Again to its charging, wanting ben herein be at 1 volt point transformer T1 to be charged when the voltage of ordering as C arrived zero volt by negative pressure, and the loss of IGBT pipe can be ignored; When drive signal let electronic switch K1 conducting, the input coil of transformer T2 was filled with; When drive signal lets electronic switch K1 end; Transformer T2 input coil charges to capacitor C 1, has produced the sine wave of half period at the D point, because the effect of diode D1; Make the D point negative pressure occur; Again to its charging, wanting ben herein be at 1 volt point transformer T2 to be charged when the voltage of ordering as D arrived zero volt by negative pressure, and the loss of IGBT can be ignored; Since the output anti-phase each other of transformer T1, T2 and with they and be linked together, so just complete sine wave of the sine wave of two half periods formation.
Claims (5)
1. sine-wave generator; It is characterized in that: comprise the first transformer T1, the second transformer T2; Ground connection after the input coil of the said first transformer T1 is connected with diode D2 and electronic switch K2 successively; It is parallelly connected with said electronic switch K2 to be provided with capacitor C 2, and the input coil of the said first transformer T1, diode D2, electronic switch K2 and capacitor C 2 are formed a LC resonant circuit; Ground connection after the input coil of the said second transformer T2 is connected with diode D1 and electronic switch K1 successively; Said diode D1 and electronic switch K1 series connection back are parallelly connected with capacitor C 1, and the input coil of the said second transformer T2, diode D1, electronic switch K1 and capacitor C 1 are formed the 2nd LC resonant circuit; The output winding of said transformer T1 and T2 is reverse each other and parallelly connected.
2. a kind of sine-wave generator according to claim 1 is characterized in that: said electronic switch K1, K2 are metal-oxide-semiconductor.
3. a kind of sine-wave generator according to claim 1 is characterized in that: said electronic switch K1, K2 are IGBT.
4. according to any described a kind of sine-wave generator of claim 1 to 3, it is characterized in that: said electronic switch K1, K2 are by driving circuit drives.
5. a kind of sine-wave generator according to claim 1 is characterized in that: the output winding two ends of said transformer T1 and T2 are connected with load respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205186403U CN202395675U (en) | 2011-12-10 | 2011-12-10 | Sine-wave generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205186403U CN202395675U (en) | 2011-12-10 | 2011-12-10 | Sine-wave generator |
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| Publication Number | Publication Date |
|---|---|
| CN202395675U true CN202395675U (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205186403U Expired - Fee Related CN202395675U (en) | 2011-12-10 | 2011-12-10 | Sine-wave generator |
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| Country | Link |
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| CN (1) | CN202395675U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386794A (en) * | 2011-12-10 | 2012-03-21 | 陈清娇 | Sine wave generator |
| CN102905449A (en) * | 2012-10-29 | 2013-01-30 | 林汉通 | High frequency generator, electrodeless lamp driving method and electrodeless lamp ballast |
-
2011
- 2011-12-10 CN CN2011205186403U patent/CN202395675U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386794A (en) * | 2011-12-10 | 2012-03-21 | 陈清娇 | Sine wave generator |
| CN102905449A (en) * | 2012-10-29 | 2013-01-30 | 林汉通 | High frequency generator, electrodeless lamp driving method and electrodeless lamp ballast |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN YITONGMING NEW ENERGY TECHNOLOGY CO., LTD Free format text: FORMER OWNER: CHEN QINGJIAO Effective date: 20140723 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 510631 GUANGZHOU, GUANGDONG PROVINCE TO: 518000 SHENZHEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140723 Address after: Baoan District Xixiang street Shenzhen city Guangdong province 518000 107 National Road No. 339, building 530A, Meihe Patentee after: Shenzhen wing bright Amperex Technology Limited Address before: 510631, Guangzhou City, Guangdong province Zhongshan Tianhe District Avenue Huajing Metro rich Pavilion A4-404 Patentee before: Chen Qingjiao |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20161210 |