CN201821265U - Non-polar isolation reverse converter - Google Patents
Non-polar isolation reverse converter Download PDFInfo
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- CN201821265U CN201821265U CN2010205754303U CN201020575430U CN201821265U CN 201821265 U CN201821265 U CN 201821265U CN 2010205754303 U CN2010205754303 U CN 2010205754303U CN 201020575430 U CN201020575430 U CN 201020575430U CN 201821265 U CN201821265 U CN 201821265U
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- 238000002955 isolation Methods 0.000 title claims abstract description 16
- 239000003990 capacitor Substances 0.000 claims abstract description 21
- 239000004065 semiconductor Substances 0.000 claims abstract description 16
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses a non-polar isolation reverse converter which comprises a power source DC with a grounded positive pole, an inductor L1 connected in parallel with the power source DC, a capacitor C1 connected in parallel with the power source DC, and a semiconductor switch D1 connected between the power source DC and the capacitor C1; and two ends of the capacitor C1 serve output function. The utility model serves as a substitute for the transformer, saves space, reduces the equipment volume, and effectively reduces the energy consumption. A switch with adjustable duty ratio is arranged on the utility model, so as to adjust the value of the output voltage and increase the application range.
Description
Technical field
The utility model relates to the Switching Power Supply DC-DC converter of moving communicating field, specifically is meant a kind of non-isolation pole reversal converter.
Background technology
In industries such as modern industry, electronics, electrical equipment, usually need the polarity of conversion electric power, the negative supply that is about to plus earth is transformed to the positive supply of minus earth, perhaps the positive supply of minus earth is transformed to the negative supply of plus earth.The negative supply change positive supply that uses at present realizes that by transformer transformer needs certain space, and can produce energy consumption in the course of the work.As shown in Figure 1: the negative supply DC of plus earth is extremely opposite with its vibration of inductance in T1 left side by the oscillating circuit on transformer T1 right side, behind semiconductor switch D1, the D2 of rectification circuit, realize the charging and discharging function of inductance L 1 and capacitor C 2, with the two ends of capacitor C 1 as output, thereby make that the polarity of power supply DC is opposite with the polarity of output.In order to obtain negative supply, must be with the minus earth of power supply DC, after transformer isolation, output is negative supply.
The utility model content
The purpose of this utility model is to provide a kind of non-isolation pole reversal converter, substitutes traditional transformer reverse of polarity.
The purpose of this utility model is achieved through the following technical solutions:
A kind of non-isolation pole reversal converter of the utility model, comprise the power supply DC of plus earth, the inductance L 1 in parallel, the capacitor C 1 in parallel with power supply DC with power supply DC and be connected power supply DC negative pole and capacitor C 1 between semiconductor switch D1, be output with the two ends of capacitor C 1.With begin charging after inductance L 1 energising of power supply DC parallel connection, after its charging process finished, logical semiconductor switch D1 was touched in inductance L 1 discharge, constitutes the loop by inductance L 1 and capacitor C 1.
Semiconductor switch D1 is a diode.When induction charging, the two ends of semiconductor switch D1 are in reverse state, disconnect; When inductance L 1 discharge, semiconductor switch D1 two ends are in forward condition, conducting.
Also comprise the control switch Q1 that is arranged on power supply DC negative pole.As the control switch of entire circuit, Q1 is arranged on the negative pole of power supply DC, by disconnection and closed charging and the outage that realizes inductance of Q1.
Described control switch Q1 is adjustable duty ratio switch.Realize recently that by the duty of adjusting Q1 it passes through the size of electric current, further, recently regulate the voltage swing at inductance L 1 two ends by the duty of adjusting Q1.
The utility model compared with prior art has following advantage and beneficial effect:
A kind of non-isolation pole reversal converter of 1 the utility model has replaced the effect of transformer, has saved the space, has reduced the volume of equipment.
A kind of non-isolation pole reversal converter of 2 the utility model has replaced the effect of transformer, effectively reduces energy consumption.
The adjustable duty ratio switch that is provided with on a kind of non-isolation pole reversal converter of 3 the utility model can be regulated the magnitude of voltage of output voltage, and usage range is wide.
Description of drawings
Fig. 1 becomes positive supply-transformer isolation schematic diagram for the conventional negative power conversion.
Fig. 2 is the utility model circuit diagram.
Embodiment
The utility model is described in further detail below in conjunction with embodiment, but execution mode of the present utility model is not limited thereto.
Embodiment
As shown in Figure 2
A kind of non-isolation pole reversal converter of the utility model, comprise the power supply DC of plus earth, the inductance L 1 in parallel, the capacitor C 1 in parallel with power supply DC with power supply DC and be connected power supply DC negative pole and capacitor C 1 between semiconductor switch D1, be output with the two ends of capacitor C 1.With the inductance L 1 of power supply DC parallel connection and capacitor C 1 be relation in parallel, after inductance L 1 energising, begin charging, after its charging process finishes, logical semiconductor switch D1 is touched in inductance L 1 discharge, constitutes the loop by inductance L 1 and capacitor C 1, in this loop, inductance is as power supply, and to capacitor C 1 power supply, capacitor C 1 begins charging; When inductance L 1 charging, semiconductor switch ends, and capacitor C 1 begins discharge.
Semiconductor switch D1 is a diode.When induction charging, the two ends of semiconductor switch D1 are in reverse state, disconnect; When inductance L 1 discharge, semiconductor switch D1 two ends are in forward condition, conducting.Diode, triode and thyristor can use in this circuit, and preferred diode is as semiconductor switch D1 in the present embodiment.
Also comprise the control switch Q1 that is arranged on power supply DC negative pole.As the control switch of entire circuit, Q1 is arranged on the negative pole of power supply DC, by disconnection and closed charging and the outage that realizes inductance of Q1.
Described control switch Q1 is adjustable duty ratio switch.Realize recently that by the duty of adjusting Q1 it passes through the size of electric current, further, recently regulate the voltage swing at inductance L 1 two ends by the duty of adjusting Q1.Inductance L 1 and capacitor C 1 all realize the power supply break-in by charging and discharge, recently regulate the magnitude of voltage of output by the duty of regulating Q1, have enlarged the scope of application of this circuit.
Claims (4)
1. non-isolation pole reversal converter, it is characterized in that: comprise the power supply DC of plus earth, the inductance L 1 in parallel, the capacitor C 1 in parallel with power supply DC with power supply DC and be connected power supply DC negative pole and capacitor C 1 between semiconductor switch D1, be output with the two ends of capacitor C 1.
2. a kind of non-isolation pole reversal converter according to claim 1, it is characterized in that: semiconductor switch D1 is a diode.
3. a kind of non-isolation pole reversal converter according to claim 1 and 2 is characterized in that: also comprise the control switch Q1 that is arranged on power supply DC negative pole.
4. a kind of non-isolation pole reversal converter according to claim 3, it is characterized in that: described control switch Q1 is adjustable duty ratio switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205754303U CN201821265U (en) | 2010-10-26 | 2010-10-26 | Non-polar isolation reverse converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205754303U CN201821265U (en) | 2010-10-26 | 2010-10-26 | Non-polar isolation reverse converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201821265U true CN201821265U (en) | 2011-05-04 |
Family
ID=43919207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205754303U Expired - Fee Related CN201821265U (en) | 2010-10-26 | 2010-10-26 | Non-polar isolation reverse converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201821265U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112753151A (en) * | 2018-09-26 | 2021-05-04 | 艾格电子工程责任有限公司 | System for transmitting electric power to an electric load |
| CN112913110A (en) * | 2018-09-26 | 2021-06-04 | 艾格电子工程责任有限公司 | Device for transferring electric power to an electric load with a converter |
-
2010
- 2010-10-26 CN CN2010205754303U patent/CN201821265U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112753151A (en) * | 2018-09-26 | 2021-05-04 | 艾格电子工程责任有限公司 | System for transmitting electric power to an electric load |
| CN112913110A (en) * | 2018-09-26 | 2021-06-04 | 艾格电子工程责任有限公司 | Device for transferring electric power to an electric load with a converter |
| TWI863918B (en) * | 2018-09-26 | 2024-12-01 | 義大利商埃格特羅尼克工程股份公司 | Apparatus for transferring electrical power to an electrical load with converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHENGDU NTS TECHNOLOGY CO., LTD. Free format text: FORMER NAME: NTS TECHNOLOGY (CHENGDU) CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 610000, Sichuan Chengdu hi tech Zone Tianfu road hi tech incubator park information security base 3 and 4 floor Patentee after: Chengdu NTS Technology Co., Ltd. Address before: 610000, Sichuan Chengdu hi tech Zone Tianfu road hi tech incubator park information security base 3 and 4 floor Patentee before: NTS Technology (Chengdu) Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20131026 |