CN102313837B - Photovoltaic convergence detecting device - Google Patents
Photovoltaic convergence detecting device Download PDFInfo
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- CN102313837B CN102313837B CN 201110164731 CN201110164731A CN102313837B CN 102313837 B CN102313837 B CN 102313837B CN 201110164731 CN201110164731 CN 201110164731 CN 201110164731 A CN201110164731 A CN 201110164731A CN 102313837 B CN102313837 B CN 102313837B
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Abstract
The invention relates to a photovoltaic convergence detecting device, belonging to the technical field of optical convergence detection. The +5V direct current converting circuit of the device converts the input alternating current into +5V direct current and outputs the+5V direct current to a +3.3V direct current converting unit and a +3V direct current converting unit; the +3.3V direct current converting unit converts the input +5VA direct current into +3.3VA direct current, outputs the +3.3VA direct current to a +3.3V direct current filter unit and provides power for a Hollar sensing unit; the +3V direct current converting unit converts the input +5VA direct current into +3V direct current and provides a reference voltage to an A/D (alternating current/direct current) converting unit; and the +3.3V direct current filter unit electrically filters the input +3.3VA direct current to +3.3VD direct current and provides power for a CPU (central processing unit). By using the device, the cost and loss of the detecting circuit can be reduced, and the complexity of the circuit can be also reduced at the same time.
Description
Technical field
The present invention relates to a kind of photovoltaic pick-up unit that confluxes, belong to the light detection technique field of confluxing.
Background technology
At present, the existing pick-up unit that confluxes adopts Hall element more, sensor adopt dual power supply ± 15V or ± 8V or+5V, be output as 0-20mA, because common CP U is the 5V power supply, and the input of embedded type CPU and A/D thereof is 3.3V, just need signal be carried out linear transformation, gating and send into A/D converter with amplifier, the level of each module is different like this, just needs the adjustment of a lot of electric power source pair of module voltages.Wherein part of module also wants in parallel, to increase its carrying load ability.Like this, increased the power consumption of circuit, complexity and production cost.
Summary of the invention
The invention provides a kind of cost and loss that can reduce testing circuit, the photovoltaic that can also reduce simultaneously the complexity of the circuit pick-up unit that confluxes.
The objective of the invention is to be achieved through the following technical solutions:
A kind of photovoltaic pick-up unit that confluxes comprises:
+ 5V DC converting circuit, be used for will input alternating current be converted to+the 5V direct current, and described+5V direct current is exported to+the 3.3V dc conversion unit and+the 3V dc conversion unit;
+ 3.3V dc conversion unit, be used for import+the 5V direct current is converted to+the 3.3VA direct current, and described+3.3VA direct current exported to+3.3V DC filtering unit and be that hall sensor unit is powered;
+ 3V direct current converting unit, be used for import+the 5V direct current is converted to+the 3V direct current, and provides reference voltage usefulness with described+3V direct current for the A/D converting unit;
+ 3.3V DC filtering unit, be used for import+the 3.3VA direct current is filtered into+the 3.3VD direct current, and be that CPU powers with described+3.3VD direct current.
By the above-mentioned technical scheme that provides as can be seen, by the module of employing output 3.3V and the sensor of 3.3V power supply, make its output adopt the voltage of 1.65V ± 1.25V, select embedded type CPU again for use, making its signal directly send into A/D changes, so just simplify circuit greatly, also reduced the power consumption of cost and testing circuit simultaneously.
Description of drawings
The conflux one-piece construction synoptic diagram of pick-up unit of the photovoltaic that Fig. 1 provides for the specific embodiment of the present invention;
The conflux electrical block diagram of pick-up unit of the photovoltaic that Fig. 2 provides for the specific embodiment of the present invention;
The conflux electrical block diagram of pick-up unit of the photovoltaic that comprises filtering circuit that Fig. 3 provides for the specific embodiment of the present invention.
Embodiment
This embodiment provides a kind of photovoltaic pick-up unit that confluxes, and as shown in Figure 1, this device comprises:
+ 5V DC converting circuit 1, be used for will input alternating current be converted to+the 5V direct current, and described+5V direct current is exported to+3.3V dc conversion unit 2 and+3V dc conversion unit 3;
+ 3.3V dc conversion unit 2, be used for import+the 5V direct current is converted to+the 3.3V direct current, and described+3.3V direct current exported to+3.3V DC filtering unit 4 and power for hall sensor unit 5;
+ 3V dc conversion unit 3, be used for import+the 5V direct current is converted to+the 3V direct current, and provides reference voltage usefulness with described+3V direct current for A/D converting unit 6;
+ 3.3V DC filtering unit 4, be used for import+the 3.3VA direct current is filtered into+the 3.3VD direct current, and be that CPU powers with described+3.3VD direct current;
A/D converting unit 6 is used for the induced signal of input is exported to host computer through the digital signal that A/D conversion back obtains.
Concrete, as shown in Figure 2, the 220V alternating current is converted to+direct current of 5V by+5V DC converting circuit 1, again by+3.3V dc conversion unit 2 be converted to+direct current of 3.3VA uses for hall sensor unit 5 (comprising S1-S16 16 road Hall elements) totally, again by+3V DC filtering unit 3 general+5V direct currents be converted to+reference power source of 3.0VREF is for A/D converting unit 6 voltages usefulness for referencial use.Simultaneously ,+3.3VA by+3.3V DC filtering unit 4 be converted to+the 3.3VD direct current uses for CPU.16 road signals that hall sensor unit 5 will be sensed send to A/D converting unit 6 respectively and handle, and A/D converting unit 6 send host computer to handle the digital signal that obtains.
As shown in Figure 3, in another embodiment provided by the invention, the 220V alternating current by+5V DC converting circuit 1 (IC4) be converted to+DC voltage of 5V after filtration wave circuit (comprise filter element L1, C5, C32) DC voltage of back acquisition+5VA, the DC voltage of voltage process+3.3V dc conversion unit 2 (IC2) acquisition+3.3VA of+5VA is hall sensor unit 5 (comprising S1-S16 totally 16 road Hall elements) power supply, simultaneously+the 3.3VA direct current is filtered into+the 3.3VD direct current by+3.3V DC filtering unit 4 again, namely+the 3.3VA direct current (comprises filter element L5 through second filtering circuit, L6, C8, obtain C33)+3.3VD uses for CPU.On the other hand ,+voltage of voltage process+3V dc conversion unit 3 (IC3) acquisition+3.0VREF of 5VA uses for A/D converting unit 6 voltages for referencial use.16 road signals of hall sensor unit 5 (S1-S16) output are sent to A/D converting unit 6, and A/D converting unit 6 will be changed the digital signal of back acquisition again and send host computer to handle.
The technical scheme that adopts this embodiment to provide, by the module of employing output 3.3V and the sensor of 3.3V power supply, make its output adopt the voltage of 1.65V ± 1.25V, select embedded type CPU again for use, making its signal directly send into A/D changes, so just simplify circuit greatly, also reduced the power consumption of cost and testing circuit simultaneously.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (1)
1. photovoltaic pick-up unit that confluxes comprises:
Hall sensor unit is used for induced signal is exported to the A/D converting unit;
The A/D converting unit is used for the induced signal of input is exported to host computer through the digital signal that A/D conversion back obtains;
It is characterized in that this device also comprises:
+ 5V DC converting circuit, be used for will input alternating current be converted to+the 5VA direct current, and described+5VA direct current is exported to+the 3.3V dc conversion unit and+the 3V dc conversion unit;
+ 3.3V dc conversion unit, be used for import+the 5VA direct current is converted to+the 3.3VA direct current, and described+3.3VA direct current exported to+3.3V DC filtering unit and be that hall sensor unit is powered;
+ 3V direct current converting unit, be used for import+the 5V direct current is converted to+the 3V direct current, and provides reference voltage usefulness with described+3V direct current for the A/D converting unit;
+ 3.3V DC filtering unit, be used for import+the 3.3VA direct current is filtered into+the 3.3VD direct current, and be that CPU powers with described+3.3VD direct current; The photovoltaic pick-up unit that confluxes also comprises:
First filtering circuit, be used for right+5V DC converting circuit output+the 5V direct current carries out filtering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110164731 CN102313837B (en) | 2011-06-17 | 2011-06-17 | Photovoltaic convergence detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110164731 CN102313837B (en) | 2011-06-17 | 2011-06-17 | Photovoltaic convergence detecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102313837A CN102313837A (en) | 2012-01-11 |
| CN102313837B true CN102313837B (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110164731 Expired - Fee Related CN102313837B (en) | 2011-06-17 | 2011-06-17 | Photovoltaic convergence detecting device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2814817Y (en) * | 2005-02-24 | 2006-09-06 | 江苏华山光电有限公司 | Optical exchanger for whole optical net 650nm information transmission system |
| CN101419251A (en) * | 2008-12-08 | 2009-04-29 | 首都师范大学 | Three phase electric energy meter based on C8051F310SOC single-chip |
| CN101706272A (en) * | 2009-11-03 | 2010-05-12 | 上海大学 | Double-shaft tilt angle sensor system and variation sensitivity detection method thereof |
| CN201553473U (en) * | 2009-07-30 | 2010-08-18 | 合肥翔飞电子有限公司 | Integrated protection device of mine double bus belt conveyor |
| CN201601392U (en) * | 2010-01-18 | 2010-10-06 | 合肥阳光电源有限公司 | Busbar chamber |
| CN202133698U (en) * | 2011-06-17 | 2012-02-01 | 深圳市金霆新能源技术有限公司 | Novel photovoltaic conflux detection device |
-
2011
- 2011-06-17 CN CN 201110164731 patent/CN102313837B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2814817Y (en) * | 2005-02-24 | 2006-09-06 | 江苏华山光电有限公司 | Optical exchanger for whole optical net 650nm information transmission system |
| CN101419251A (en) * | 2008-12-08 | 2009-04-29 | 首都师范大学 | Three phase electric energy meter based on C8051F310SOC single-chip |
| CN201553473U (en) * | 2009-07-30 | 2010-08-18 | 合肥翔飞电子有限公司 | Integrated protection device of mine double bus belt conveyor |
| CN101706272A (en) * | 2009-11-03 | 2010-05-12 | 上海大学 | Double-shaft tilt angle sensor system and variation sensitivity detection method thereof |
| CN201601392U (en) * | 2010-01-18 | 2010-10-06 | 合肥阳光电源有限公司 | Busbar chamber |
| CN202133698U (en) * | 2011-06-17 | 2012-02-01 | 深圳市金霆新能源技术有限公司 | Novel photovoltaic conflux detection device |
Non-Patent Citations (4)
| Title |
|---|
| 史朝晖等.基于PIC24FJ64的智能光伏汇流采集装置设计及应用.《电气技术》.2011,(第3期),第76-78页. |
| 基于PIC24FJ64的智能光伏汇流采集装置设计及应用;史朝晖等;《电气技术》;20110331(第3期);第76-78页 * |
| 浅谈光伏系统配套之光伏防雷汇流箱;郭贵雄等;《阳光能源》;20101231(第4期);第60页 * |
| 郭贵雄等.浅谈光伏系统配套之光伏防雷汇流箱.《阳光能源》.2010,(第4期),第60页. |
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| CN102313837A (en) | 2012-01-11 |
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