CN201594746U - Series-output-based electric energy feedback type electronic load - Google Patents
Series-output-based electric energy feedback type electronic load Download PDFInfo
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- CN201594746U CN201594746U CN200920193398XU CN200920193398U CN201594746U CN 201594746 U CN201594746 U CN 201594746U CN 200920193398X U CN200920193398X U CN 200920193398XU CN 200920193398 U CN200920193398 U CN 200920193398U CN 201594746 U CN201594746 U CN 201594746U
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- 238000010586 diagram Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses a series-output-based electric energy feedback type electronic load which has simple and easy operation and convenient use and can connect all direct-current power supplies in series to feed electric energy back to a power grid. The series-output-based electric energy feedback type electronic load comprises a plurality of direct-current power supplies (1) and a synchronization inverter (3), the synchronization inverter (3) is a device which connects the direct-current power supplies with the power grid in a matching way by an inverter, the direct-current power supplies in the plurality of direct-current power supplies (1) are connected in series and connected with the input end of the synchronization inverter (3), and the output end of the synchronization inverter (3) is connected with the power grid. The series-output-based electric energy feedback type electronic load can be widely applied to the field of grid electric energy feedback after various direct-current power supplies are connected in series.
Description
Technical field
The utility model relates to the imported electric energy feedback type electronic load of a kind of series connection.
Background technology
The electric energy feedback type electronic load of the applicant's research and development and automatic-adaptive high-effect energy-saving grid-connection feedback-type load have been accomplished effectively to solve at present and adopted power consumption resistance mostly in detection, aging DC power supply circuit, cause electric energy to consume the phenomenon of waste in vain, while has also been improved the effect that low precision, the heating of using this power resistor to exist big in the past, be difficult to ensure aging detection, and contaminated environment, even there is the problem of disaster hidden-trouble.
Yet in actual applications, because the model classification of DC power supply is a lot, the voltage voltage of output haves a wide reach especially, therefore, accomplish the corresponding one by one with it coupling of feedback circuit, and its operation is trouble quite, often cause use inconvenient.
In sum, prior art is difficult to various DC power supply are together in series to the electrical network feedback electric energy, its complex operation, use inconvenience.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provides a kind of and does exercises simple and easyly, easy to use, various DC power supply can be together in series to the imported electric energy feedback type electronic load of the series connection of electrical network feedback electric energy.
The technical scheme that the utility model adopted is: the utility model comprises some DC power supply, parallel network reverse device, described parallel network reverse device is by the adaptive device that is connected of inverter and electrical network with DC power supply, a plurality of DC power supply in described some DC power supply are connected in series by calculation requirement and are connected with the input of described parallel network reverse device, the output of described parallel network reverse device is connected with electrical network, and described some DC power supply can be a plurality of known various DC power supply.
The utility model also comprises DC voltage converting circuit, a plurality of DC power supply in described some DC power supply are connected in series by calculation requirement and are connected with described DC voltage converting circuit input, described DC voltage converting circuit is the DC/DC circuit, the output of described DC voltage converting circuit is connected with the input of described parallel network reverse device, and the output of described parallel network reverse device is connected with electrical network.
Described DC voltage converting circuit is various DC/DC topological circuits, comprise and isolating and boosting or the DC/DC circuit of voltage-dropping type of isolated form not that described DC voltage converting circuit is that single-stage DC/DC circuit is formed to be connected with described parallel network reverse device or to be composed in series with described parallel network reverse device by two-stage DC/DC circuit and is connected.
Described DC power supply or DC voltage converting circuit fly-wheel diode in parallel is connected with described parallel network reverse device then.
The beneficial effects of the utility model are: because the utility model comprises some DC power supply, the parallel network reverse device, described parallel network reverse device is by the adaptive device that is connected of inverter and electrical network with DC power supply, a plurality of DC power supply in described some DC power supply are connected in series by calculation requirement and are connected with the input of described parallel network reverse device, the output of described parallel network reverse device is connected with electrical network, the utility model also comprises DC voltage converting circuit, a plurality of DC power supply in described some DC power supply connect in series and are connected with described DC voltage converting circuit input, the output of described DC voltage converting circuit is connected with the input of described parallel network reverse device, the output of described parallel network reverse device is connected with electrical network, can be with existing electric energy feedback type electronic load and automatic-adaptive high-effect energy-saving grid-connection feedback-type load and known various rectifier power sources, stabilized voltage power supply, Switching Power Supply and even storage battery are together in series and are connected feedback electric energy with inverter with electrical network by the direct current conversion, therefore removed the trouble of feedback circuit from, thereby made things convenient for further and the perfect this saving energy with the corresponding one by one coupling of above-mentioned various power supplys, promoting the use of of feedback type electronic load.
Description of drawings
Fig. 1 is the utility model circuit structure block diagram;
Fig. 2 is a kind of enforcement circuit diagram of the present utility model;
Fig. 3 is a kind of enforcement circuit diagram of the present utility model.
Embodiment
As shown in Figure 1 to Figure 3, the utility model comprises some DC power supply 1, parallel network reverse device 3, described parallel network reverse device 3 is by the adaptive device that is connected of inverter and electrical network with DC power supply, a plurality of DC power supply in described some DC power supply 1 are connected in series by calculation requirement and are connected with the input of described parallel network reverse device 3, the output of described parallel network reverse device 3 is connected with electrical network, and described some DC power supply can be a plurality of known various DC power supply.
The utility model also comprises DC voltage converting circuit 2, a plurality of DC power supply in described some DC power supply 1 are connected in series by calculation requirement and are connected with described DC voltage converting circuit 2 inputs, the output of described DC voltage converting circuit 2 is connected with the input of described parallel network reverse device 3, described DC voltage converting circuit is the DC/DC circuit, and the output of described parallel network reverse device 3 is connected with electrical network.
Described DC voltage converting circuit 2 is various DC/DC topological circuits, comprise and isolating and boosting or the DC/DC circuit of voltage-dropping type of isolated form not that described DC voltage converting circuit 2 is that single-stage DC/DC circuit is formed to be connected with described parallel network reverse device 3 or to be composed in series with described parallel network reverse device 3 by two-stage DC/DC circuit and is connected.
Described DC power supply 1 or DC voltage converting circuit 2 fly-wheel diodes in parallel are connected with described parallel network reverse device 3 then.
The utility model can be widely used in the electric energy feedback type electronic load to electrical network feedback electric energy field.
Claims (4)
1. the imported electric energy feedback type electronic load of connecting, it is characterized in that: it comprises some DC power supply (1), parallel network reverse device (3), described parallel network reverse device (3) is by the adaptive device that is connected of inverter and electrical network with DC power supply, a plurality of DC power supply in described some DC power supply (1) connect in series and are connected with the input of described parallel network reverse device (3), and the output of described parallel network reverse device (3) is connected with electrical network.
2. the imported electric energy feedback type electronic load of series connection according to claim 1, it is characterized in that: it also comprises DC voltage converting circuit (2), a plurality of DC power supply in described some DC power supply (1) connect in series and are connected with described DC voltage converting circuit (2) input, the output of described DC voltage converting circuit (2) is connected with the input of described parallel network reverse device (3), and the output of described parallel network reverse device (3) is connected with electrical network.
3. the imported electric energy feedback type electronic load of series connection according to claim 2, it is characterized in that: described DC voltage converting circuit (2) is various DC/DC topological circuits, comprise and isolating and boosting or the DC/DC circuit of voltage-dropping type of isolated form not that described DC voltage converting circuit (2) is that single-stage DC/DC circuit is formed to be connected with described parallel network reverse device (3) or to be composed in series with described parallel network reverse device (3) by two-stage DC/DC circuit and is connected.
4. the imported electric energy feedback type electronic load of series connection according to claim 1 is characterized in that: described DC power supply (1) or DC voltage converting circuit (2) fly-wheel diode in parallel are connected with described parallel network reverse device (3) then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920193398XU CN201594746U (en) | 2009-08-25 | 2009-08-25 | Series-output-based electric energy feedback type electronic load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920193398XU CN201594746U (en) | 2009-08-25 | 2009-08-25 | Series-output-based electric energy feedback type electronic load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201594746U true CN201594746U (en) | 2010-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920193398XU Expired - Fee Related CN201594746U (en) | 2009-08-25 | 2009-08-25 | Series-output-based electric energy feedback type electronic load |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103176064A (en) * | 2011-12-20 | 2013-06-26 | 张宏展 | Burn-in test equipment capable of recovering electric energy |
| CN110212802A (en) * | 2019-05-29 | 2019-09-06 | 南京航空航天大学无锡研究院 | A kind of high pressure, wide range input voltage feed-back type DC Electronic Loads circuit |
-
2009
- 2009-08-25 CN CN200920193398XU patent/CN201594746U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103176064A (en) * | 2011-12-20 | 2013-06-26 | 张宏展 | Burn-in test equipment capable of recovering electric energy |
| CN110212802A (en) * | 2019-05-29 | 2019-09-06 | 南京航空航天大学无锡研究院 | A kind of high pressure, wide range input voltage feed-back type DC Electronic Loads circuit |
| CN110212802B (en) * | 2019-05-29 | 2021-02-19 | 南京航空航天大学无锡研究院 | High-voltage and wide-voltage input range feedback type direct current electronic load circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 Termination date: 20130825 |