CN102969929B - Automatically adapt to the inverter of load - Google Patents
Automatically adapt to the inverter of load Download PDFInfo
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- CN102969929B CN102969929B CN201210463293.8A CN201210463293A CN102969929B CN 102969929 B CN102969929 B CN 102969929B CN 201210463293 A CN201210463293 A CN 201210463293A CN 102969929 B CN102969929 B CN 102969929B
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- circuit
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Abstract
A kind of inverter of automatic adaptation load, the current rectifying and wave filtering circuit of inverter connects inverter control circuit, inverter control circuit connects 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 load identification circuit with current detection circuit, load identification circuit connects inverter control circuit. Technique effect of the present invention is, in the time that inverter is connected load, can identify the characteristic of load, thereby select different Starting mode starting loads, avoids generation current in the time starting to impact, and protection inverter and load exempt from damage.
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 use of inverter will be selected according to the different qualities of load, as ohmic load type, blower fan water pumpProperty support type etc., if select improper, can cause starting current impact large, heating is serious, start unsuccessfully, shortened equipment lifeEtc. problem, damage equipment even when serious.
Summary of the invention
The object of the present invention is to provide a kind of inverter of automatic adaptation load, in the time that inverter connects load, energyPass through electric current and the voltage of connected load the characteristic of load is identified, thereby it is negative to select different Starting mode to startCarry, avoid generation current in the time starting to impact, protection inverter and load exempt from damage.
The present invention is achieved like this, and it comprises current rectifying and wave filtering circuit, inverter control circuit, inverter bridge circuit, voltageTesting circuit, current detection circuit, load identification circuit, external load, is characterized in that the current rectifying and wave filtering circuit of inverter connectsConnect inverter control circuit, inverter control circuit connects inverter bridge circuit, and the output of inverter bridge circuit connects external load, in inverter bridgeBetween circuit and external load, be connected to voltage detecting circuit and current detection circuit, voltage detecting circuit and current detection circuit connectConnect load identification circuit, load identification circuit connects inverter control circuit.
Technique effect of the present invention is, when inverter connects load, load identification circuit can be according to the load detectingElectric current and voltage are identified the characteristic of load, thereby select different Starting mode starting loads, avoid producing in the time startingRaw rush of current, protection inverter and load exempt from damage.
Brief description of the drawings
Fig. 1 is the fundamental diagram of the self-reacting load inverter of the present invention.
Current rectifying and wave filtering circuit 2, inverter control circuit 3, inverter bridge circuit 4, voltage detecting circuit in the drawings 1,5, current detection circuit 6, load identification circuit 7, external load.
Detailed description of the invention
As shown in Figure 1, the present invention includes current rectifying and wave filtering circuit (1), inverter control circuit (2), inverter bridge circuit (3), electricityPress testing circuit (4), current detection circuit (5), load identification circuit (6), external load (7), current rectifying and wave filtering circuit 1 connects inversionControl circuit 2, inverter control circuit 2 connects inverter bridge circuit 3, and 3 outputs of inverter bridge circuit connect external load 7. In inverter bridgeBetween circuit 2 and external load 7, be connected to voltage detecting circuit 4 and current detection circuit 5, voltage detecting circuit 4 and current detectingCircuit 5 connects load identification circuit 6, and load identification circuit 6 connects inverter control circuit 2.
When inverter is connected load, the electric current of load and voltage send load to through voltage detecting and current detection circuitIdentification circuit, load identification circuit carries out the characteristic of load according to the amplitude of detected load current, voltage and phase placeIdentification, then selects the corresponding control program that starts to flow to inverter control circuit, makes inverter control circuit output and load phaseAdapt to Starting mode carry out starting load.
Claims (1)
1. automatically adapt to an inverter for load, it comprise current rectifying and wave filtering circuit, inverter control circuit, inverter bridge circuit,Voltage detecting circuit, current detection circuit, load identification circuit, external load, is characterized in that the rectifying and wave-filtering electricity of inverterRoad connects inverter control circuit, and inverter control circuit connects inverter bridge circuit, and the output of inverter bridge circuit connects external load, contraryBecome between bridge circuit and external load and be connected to voltage detecting circuit and current detection circuit, voltage detecting circuit and current detecting electricityRoad connects load identification circuit, and load identification circuit connects inverter control circuit, when inverter is connected load, and the electric current of loadSend load identification circuit with voltage to through voltage detecting and current detection circuit, load identification circuit is according to detected negativeAmplitude and the phase place of live stream, voltage are identified the characteristic of load, then select the corresponding control program that starts to flow toInverter control circuit, make that inverter control circuit output and load adapt Starting mode carry out starting load.
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 CN102969929A (en) | 2013-03-13 |
| CN102969929B true CN102969929B (en) | 2016-05-11 |
Family
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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 |
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| CN (1) | CN102969929B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100386961C (en) * | 2003-07-29 | 2008-05-07 | 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 |
-
2012
- 2012-11-17 CN CN201210463293.8A patent/CN102969929B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102969929A (en) | 2013-03-13 |
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