CN102969929A - Inverter power supply capable of adapting to load automatically - Google Patents
Inverter power supply capable of adapting to load automatically Download PDFInfo
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- CN102969929A CN102969929A CN2012104632938A CN201210463293A CN102969929A CN 102969929 A CN102969929 A CN 102969929A CN 2012104632938 A CN2012104632938 A CN 2012104632938A CN 201210463293 A CN201210463293 A CN 201210463293A CN 102969929 A CN102969929 A CN 102969929A
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Abstract
The invention discloses an inverter power supply capable of adapting to load automatically. A rectifier filter circuit of the inverter power supply is connected with an inverter control circuit, the inverter control circuit is connected with an inverter bridge circuit, the output of the inverter bridge circuit is connected with an external load, a voltage detection circuit and a current detection current are connected between the inverter bridge circuit and the external load, the voltage detection circuit and the current detection circuit are connected with a load identification circuit, and the load identification circuit is connected with the inverter control circuit. The inverter power supply has the technical effects that when the inverter power supply is connected with the load, the properties of the load can be identified, so that the load can be started by selecting different starting modes, the current surge caused by starting can be avoided, and the inverter power supply and the load can be protected from being damaged.
Description
Technical field
The present invention relates to a kind of inverter, relate in particular to a kind of inverter of automatic adaptation load
Background technology
At present, the usefulness of inverter will be selected according to the different qualities of load, such as ohmic load type, blower fan water pump support type etc., if select improper, can cause starting current to impact large, the problems such as heating is serious, starts unsuccessfully, shortened equipment life, in the time of seriously even damage equipment.
Summary of the invention
The object of the present invention is to provide a kind of inverter of automatic adaptation load; when inverter connects load; can identify the characteristic of load by electric current and the voltage of connection load; thereby select different Starting mode to come starting load; avoid generation current impact when starting, protection inverter and load exempt from damage.
The present invention is achieved like this, it comprises current rectifying and wave filtering circuit, inverter control circuit, the inverter bridge circuit, voltage detecting circuit, current detection circuit, the load identification circuit, external load, the current rectifying and wave filtering circuit that it is characterized in that inverter connects inverter control circuit, inverter control circuit connects the inverter bridge circuit, the output of inverter bridge circuit connects external load, between inverter bridge circuit and external load, be connected to voltage detecting circuit and current detection circuit, voltage detecting circuit is connected the load identification circuit with current detection circuit, the load identification circuit connects inverter control circuit.
Technique effect of the present invention is; when inverter connects load; the load identification circuit can be identified the characteristic of load according to the load current and the voltage that detect; thereby select different Starting mode starting loads; avoid generation current impact when starting, protection inverter and load exempt from damage.
Description of drawings
Fig. 1 is the fundamental diagram of the self-reacting load inverter of the present invention.
In the drawings 1, current rectifying and wave filtering circuit 2, inverter control circuit 3, inverter bridge circuit 4, voltage detecting circuit 5, current detection circuit 6, load identification circuit 7, external load.
Embodiment
As shown in Figure 1, the present invention includes current rectifying and wave filtering circuit (1), inverter control circuit (2), inverter bridge circuit (3), voltage detecting circuit (4), current detection circuit (5), load identification circuit (6), external load (7), current rectifying and wave filtering circuit 1 connects inverter control circuit 2, inverter control circuit 2 connects inverter bridge circuit 3, and 3 outputs of inverter bridge circuit connect external load 7.Be connected to voltage detecting circuit 4 and current detection circuit 5 between inverter bridge circuit 2 and external load 7, voltage detecting circuit 4 is connected with current detection circuit and is connected load identification circuit 6, and load identification circuit 6 connects inverter control circuits 2.
When inverter is connected load, the electric current of load and voltage send the load identification circuit to through voltage detecting and current detection circuit, the load identification circuit is identified the characteristic of load according to amplitude and the phase place of detected load current, voltage, then select the corresponding control program that starts to flow to inverter control circuit, make that inverter control circuit output and load adapt Starting mode come starting load.
Claims (1)
1. inverter that automatically adapts to load, it comprises current rectifying and wave filtering circuit, inverter control circuit, the inverter bridge circuit, voltage detecting circuit, current detection circuit, the load identification circuit, external load, the current rectifying and wave filtering circuit that it is characterized in that inverter connects inverter control circuit, inverter control circuit connects the inverter bridge circuit, the output of inverter bridge circuit connects external load, between inverter bridge circuit and external load, be connected to voltage detecting circuit and current detection circuit, voltage detecting circuit is connected the load identification circuit with current detection circuit, the load identification circuit connects inverter control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210463293.8A CN102969929B (en) | 2012-11-17 | 2012-11-17 | Automatically adapt to the inverter of load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210463293.8A CN102969929B (en) | 2012-11-17 | 2012-11-17 | Automatically adapt to the inverter of load |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102969929A true CN102969929A (en) | 2013-03-13 |
| CN102969929B CN102969929B (en) | 2016-05-11 |
Family
ID=47799861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210463293.8A Active CN102969929B (en) | 2012-11-17 | 2012-11-17 | Automatically adapt to the inverter of load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102969929B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110461056A (en) * | 2019-07-05 | 2019-11-15 | 欧普照明股份有限公司 | The more specification light source loads of Auto-matching for electric drive, lamps and lanterns and driving method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1545197A (en) * | 2003-07-29 | 2004-11-10 | 北京利德华福电气技术有限公司 | Full digitalized vector control type high-voltage large-power frequency converter based on DSP chip |
| EP1837987A1 (en) * | 2006-03-23 | 2007-09-26 | Schneider Toshiba Inverter Europe SAS | Method of identifying the parameters of a motor cable |
| CN101939244A (en) * | 2008-03-14 | 2011-01-05 | 通力股份公司 | Conveyor system |
| CN201966854U (en) * | 2011-01-28 | 2011-09-07 | 唐山开诚电控设备集团有限公司 | Flame-proof intrinsic safety type integrated variable-frequency speed-regulation device |
| CN102375117A (en) * | 2010-08-16 | 2012-03-14 | 包米勒公司 | Device and method for identifying equivalent circuit parameters of an alternating current synchronous motor |
| CN202949377U (en) * | 2012-11-17 | 2013-05-22 | 泰豪科技股份有限公司 | Auto-adaptive load inverter power supply |
-
2012
- 2012-11-17 CN CN201210463293.8A patent/CN102969929B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1545197A (en) * | 2003-07-29 | 2004-11-10 | 北京利德华福电气技术有限公司 | Full digitalized vector control type high-voltage large-power frequency converter based on DSP chip |
| EP1837987A1 (en) * | 2006-03-23 | 2007-09-26 | Schneider Toshiba Inverter Europe SAS | Method of identifying the parameters of a motor cable |
| CN101939244A (en) * | 2008-03-14 | 2011-01-05 | 通力股份公司 | Conveyor system |
| CN102375117A (en) * | 2010-08-16 | 2012-03-14 | 包米勒公司 | Device and method for identifying equivalent circuit parameters of an alternating current synchronous motor |
| CN201966854U (en) * | 2011-01-28 | 2011-09-07 | 唐山开诚电控设备集团有限公司 | Flame-proof intrinsic safety type integrated variable-frequency speed-regulation device |
| CN202949377U (en) * | 2012-11-17 | 2013-05-22 | 泰豪科技股份有限公司 | Auto-adaptive load inverter power supply |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110461056A (en) * | 2019-07-05 | 2019-11-15 | 欧普照明股份有限公司 | The more specification light source loads of Auto-matching for electric drive, lamps and lanterns and driving method |
| CN110461056B (en) * | 2019-07-05 | 2024-04-09 | 欧普照明股份有限公司 | Power supply driving, lamp and driving method capable of automatically matching loads of multiple light sources |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102969929B (en) | 2016-05-11 |
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