CN202353299U - DC power supply connecting circuit - Google Patents
DC power supply connecting circuit Download PDFInfo
- Publication number
- CN202353299U CN202353299U CN2011205336148U CN201120533614U CN202353299U CN 202353299 U CN202353299 U CN 202353299U CN 2011205336148 U CN2011205336148 U CN 2011205336148U CN 201120533614 U CN201120533614 U CN 201120533614U CN 202353299 U CN202353299 U CN 202353299U
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- Prior art keywords
- power supply
- connecting circuit
- igbt
- supply connecting
- circuit
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Abstract
The utility model provides a DC power supply connecting circuit, which includes a bridge rectifier diode and an IGBT (Insulated Gate Bipolar Transistor) field-effect transistor that are mutually connected, wherein the IGBT field-effect transistor is connected with a filter circuit; the filter circuit is connected with a DC power supply; and the IGBT field-effect transistor is connected with a microcontroller. Compared with the prior art, the DC power supply connecting circuit has the benefits that the connecting circuit is simple and effective.
Description
Technical field
The utility model relates to a kind of connecting circuit of reserve DC power supply.
Background technology
The development prospect of generation of electricity by new energy industry is very wide, and greatly developing wind-powered electricity generation is the emphasis of China's new forms of energy strategy.Wind power generation develops into the current stage, and how making its cost performance form competitive advantage electric with coal, water power is the target that the wind-powered electricity generation industry is chased.When improving constantly reliability, reducing cost is the developing direction of all wind power plants.Variable blade control system is a building block important in the wind generator system; In order to make the work of pitch-controlled system reliable and stable when the instant cut-off; And breaking down, can promptly put away the oars under the unpredictable situation such as outage, pitch-controlled system all can be equipped with the reserve DC power supply.Back-up source generally adopts the form of storage battery or super capacitor, therefore must have a kind of specific connecting circuit to connect this back-up source and variable blade control system.
The utility model content
To the deficiency of prior art, the utility model purpose is to provide a kind of simple reserve DC power supply connecting circuit.
For solving the problems of the technologies described above; The technical scheme of the utility model is achieved in that a kind of DC power supply connecting circuit; Comprise interconnective bridge rectifier diode and IGBT FET, said IGBT FET is connected in a filter circuit, and said filter circuit is connected in DC power supply.Said IGBT FET is connected in a microcontroller.
Compared with prior art, the beneficial effect of the utility model is: connecting circuit is simple, effectively.
Description of drawings
Fig. 1 is the circuit diagram of the embodiment of the utility model.
Embodiment
Describe with the mode of example embodiment with reference to the accompanying drawings the utility model.
With reference to Fig. 1, a kind of DC power supply connecting circuit comprises interconnective bridge rectifier diode and IGBT FET, and said IGBT FET is connected in a filter circuit, and said filter circuit is connected in DC power supply.Said IGBT FET is connected in a microcontroller.
The IGBT full-bridge circuit is connected to back-up source through the LC filter circuit.Back-up source has signal output port, and said signal output port is connected to said microcontroller, transmits charging voltage signal and charging circuit signal etc. to said microcontroller, to realize current limliting, pressure limiting charging.
Although be the example purpose; The preferred implementation of the utility model is disclosed; But those of ordinary skill in the art will recognize, under situation about not breaking away from by the scope of the disclosed the utility model of appending claims and spirit, various improvement, increase and replacement are possible.
Claims (2)
1. a DC power supply connecting circuit is characterized in that, comprises interconnective bridge rectifier diode and IGBT FET, and said IGBT FET is connected in a filter circuit, and said filter circuit is connected in DC power supply.
2. DC power supply connecting circuit according to claim 1 is characterized in that: said IGBT FET is connected in a microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205336148U CN202353299U (en) | 2011-12-19 | 2011-12-19 | DC power supply connecting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205336148U CN202353299U (en) | 2011-12-19 | 2011-12-19 | DC power supply connecting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202353299U true CN202353299U (en) | 2012-07-25 |
Family
ID=46542263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205336148U Expired - Lifetime CN202353299U (en) | 2011-12-19 | 2011-12-19 | DC power supply connecting circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202353299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166300A (en) * | 2011-12-19 | 2013-06-19 | 苏州能健电气有限公司 | Direct current power source connecting circuit |
-
2011
- 2011-12-19 CN CN2011205336148U patent/CN202353299U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166300A (en) * | 2011-12-19 | 2013-06-19 | 苏州能健电气有限公司 | Direct current power source connecting circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |