CN205160467U - A environmental parameter gather box for photovoltaic power generation system monitoring devices - Google Patents
A environmental parameter gather box for photovoltaic power generation system monitoring devices Download PDFInfo
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- CN205160467U CN205160467U CN201520844032.XU CN201520844032U CN205160467U CN 205160467 U CN205160467 U CN 205160467U CN 201520844032 U CN201520844032 U CN 201520844032U CN 205160467 U CN205160467 U CN 205160467U
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- 230000007613 environmental effect Effects 0.000 title claims abstract description 46
- 238000012806 monitoring device Methods 0.000 title claims abstract description 25
- 238000010248 power generation Methods 0.000 title abstract 4
- 230000003993 interaction Effects 0.000 claims abstract description 45
- 238000012544 monitoring process Methods 0.000 description 44
- 238000000034 method Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 9
- 230000003750 conditioning effect Effects 0.000 description 8
- 238000005070 sampling Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 6
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- 238000004891 communication Methods 0.000 description 3
- HPDFFVBPXCTEDN-UHFFFAOYSA-N copper manganese Chemical compound [Mn].[Cu] HPDFFVBPXCTEDN-UHFFFAOYSA-N 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013480 data collection Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
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- 238000012512 characterization method Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model provides an environmental parameter gather box for photovoltaic power generation system monitoring devices, it includes: temperature sensor, spoke light intensity sensor and air velocity transducer, temperature sensor signal interaction terminal connects environmental parameter and gathers treater temperature signal interaction terminal, spoke light intensity sensor signal interaction terminal connects environmental parameter and gathers treater irradiance signal interaction terminal, air velocity transducer signal interaction terminal connects environmental parameter and gathers treater wind speed signal interaction terminal, temperature sensor, spoke light intensity sensor and air velocity transducer are used for gathering photovoltaic power generation system's environmental parameter. Gather photovoltaic power generation system's temperature, irradiance and wind speed in real time through temperature sensor, spoke light intensity sensor and air velocity transducer, guarantee that information acquisition is accurate, its running state of real -time supervision.
Description
Technical field
The utility model relates to photovoltaic generation monitoring field, particularly relates to a kind of environmental parameter collecting cassette for photovoltaic generating system monitoring device.
Background technology
Along with the development of electric power system, the shared in systems in which ratio of photovoltaic generation is increasing.Photovoltaic generation is comparatively large by such environmental effects such as Intensity of the sunlight intensity, temperature, wind speed, and its generating feature has randomness, intermittence, brings have a strong impact on when being incorporated into the power networks to peak load regulation network, system safety operation and the quality of power supply.Therefore, be necessary to the operation conditions of whole photovoltaic generating system and and dot parameters monitor.By to Monitoring Data collection, analysis, process, inquiry, grasp the current operating conditions of electricity generation system, Timeliness coverage abnormal conditions are also taken measures.But can't well solve corresponding technical problem in prior art.
Utility model content
The utility model is intended at least solve the technical problem existed in prior art, especially innovatively proposes a kind of environmental parameter collecting cassette for photovoltaic generating system monitoring device.
In order to realize above-mentioned purpose of the present utility model, the utility model provides a kind of environmental parameter collecting cassette for photovoltaic generating system monitoring device, and it comprises: temperature sensor, irradiance sensor and air velocity transducer;
Described temperature sensor signal interaction end JA(junction ambient) parameter acquisition temperature of processor signal interaction end, described irradiance sensor signal interaction end connects JA(junction ambient) parameter acquisition processor irradiance signal interaction end, described air velocity transducer signal interaction end connects JA(junction ambient) parameter acquisition processor wind velocity signal interaction end, and described temperature sensor, irradiance sensor and air velocity transducer are for gathering the environmental parameter of photovoltaic generating system.
The beneficial effect of technique scheme is: by the temperature of temperature sensor, irradiance sensor and air velocity transducer Real-time Collection photovoltaic generating system, irradiance and wind speed, guarantees that information gathering is accurate, its running status of Real-Time Monitoring.
The described environmental parameter collecting cassette for photovoltaic generating system monitoring device, preferably, described environmental parameter Acquisition Processor is MSP430 processor.
The described environmental parameter collecting cassette for photovoltaic generating system monitoring device, preferably, described temperature sensor comprises: photovoltaic generating system monitoring device temperature sensor and environment temperature sensor;
Described photovoltaic generating system monitoring device temperature sensor signal interaction end JA(junction ambient) parameter acquisition temperature of processor signal interaction end, described environment temperature sensor signal interaction end also JA(junction ambient) parameter acquisition processor signal interaction end.
The described environmental parameter collecting cassette for photovoltaic generating system monitoring device, preferably, described air velocity transducer is DP-FS485.
The described environmental parameter collecting cassette for photovoltaic generating system monitoring device, preferably, described irradiance sensor is FY-ZF.
The described environmental parameter collecting cassette for photovoltaic generating system monitoring device, preferably, described temperature sensor is PT100.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
By the utility model of the photovoltaic generating system system monitoring system of environmental parameter collecting cassette, this device utilizes the collection of LPC2368 controller control to photovoltaic system on-site generated power system alternating current-direct current data, grasp the current operating conditions of electricity generation system, Timeliness coverage exception is also taken measures.This device can not only be used for the monitoring of photovoltaic generating system, also can also for the monitoring field of other qualities of power supply.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the utility model general illustration;
Fig. 2 is the utility model monitoring means schematic diagram;
Fig. 3 is the utility model voltage channel schematic diagram;
Fig. 4 is the utility model current channel schematic diagram;
Fig. 5 is the utility model LPC2368 and ADE7880 interface diagram;
Fig. 6 is the utility model environmental parameter collecting cassette structure chart.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
As shown in Figure 1, monitoring device of the present utility model, it comprises: monitoring host computer, monitoring means, environmental parameter collecting cassette;
Described monitoring means Monitoring Data interaction end connects monitoring host computer Monitoring Data interaction end, described environmental parameter collecting cassette environmental data interaction end connects monitoring host computer environmental data interaction end, and described monitoring means and environmental parameter collecting cassette and monitoring host computer carry out data interaction by RS485 bus.
The beneficial effect of technique scheme is: carry out Real-Time Monitoring and data acquisition by environmental parameter collecting cassette and monitoring means to photovoltaic generating system, ensure that the monitoring of data is accurate, grasp the current operating conditions of electricity generation system, Timeliness coverage exception is also taken measures.
As shown in Figure 2, described monitoring means comprises: monitoring processor, ac sensor, the first signal conditioning circuit and high-precision measuring chip;
Ac sensor signal input part connects photovoltaic generating system ac signal output, described ac sensor signal output part connects the first signal conditioning circuit signal input part, described first signal conditioning circuit signal output part connects high-precision measuring chip signal input, described high-precision measuring chip signal interaction end connects monitoring processor signal interaction end, and described monitoring processor display end connects display unit display end.
Described monitoring means also comprises: direct current transducer, secondary signal modulate circuit, AD sampler;
Direct current transducer signal input part connects photovoltaic generating system DC signal output, described direct current transducer signal output part connects secondary signal modulate circuit signal input part, described secondary signal modulate circuit signal output part connects AD sampler signal input part, described AD sampled signal interaction end connects monitoring processor signal interaction end, and described monitoring processor display end connects display unit display end.
The beneficial effect of technique scheme is: can monitor the power quality parameters such as photovoltaic generating system harmonic wave, power factor, percent harmonic distortion, grasps the current operating conditions of electricity generation system, and Timeliness coverage exception is also taken measures.
Preferably, described monitoring processor is LPC2368.
Preferably, described high-precision measuring chip is ADE7880.
Preferably, described display unit is liquid crystal touch display screen.
As shown in Figure 3, preferably, described first signal conditioning circuit comprises: voltage channel circuit and current channel circuit;
Described voltage channel circuit comprises: voltage input end connects first inductance one end, the described first inductance other end connects first resistance one end, the described first resistance other end connects second resistance one end and first electric capacity one end respectively, ground connection after the described second resistance other end is connected with the first electric capacity other end, described first electric capacity one end also connects high-precision measuring chip signal input and overvoltage protection diode negative pole respectively;
As shown in Figure 4, described current channel circuit comprises: current input terminal connects the 4th resistance one end and the 3rd inductance one end respectively, the described 4th resistance other end connects second inductance one end, the described 3rd inductance other end connects AD converter electrode input end, the described second inductance other end connects AD converter negative input, and described AD converter output connects high-precision measuring chip signal input.
Described secondary signal modulate circuit is the same.
The beneficial effect of technique scheme is: by voltage channel circuit and current channel circuit realiration conditioning functions, and circuit design is reasonable, working stability.
Preferably, described monitoring processor is LPC2368.
Preferably, described high-precision measuring chip is ADE7880.
As shown in Figure 6, the utility model environmental parameter collecting cassette, it comprises: temperature sensor, irradiance sensor and air velocity transducer;
Described temperature sensor signal interaction end JA(junction ambient) parameter acquisition temperature of processor signal interaction end, described irradiance sensor signal interaction end connects JA(junction ambient) parameter acquisition processor irradiance signal interaction end, described air velocity transducer signal interaction end connects JA(junction ambient) parameter acquisition processor wind velocity signal interaction end, and described temperature sensor, irradiance sensor and air velocity transducer are for gathering the environmental parameter of photovoltaic generating system.
The beneficial effect of technique scheme is: by the temperature of temperature sensor, irradiance sensor and air velocity transducer Real-time Collection photovoltaic generating system, irradiance and wind speed, guarantees that information gathering is accurate, its running status of Real-Time Monitoring.
Described environmental parameter Acquisition Processor is MSP430 processor.
Described temperature sensor comprises: photovoltaic generating system monitoring device temperature sensor and environment temperature sensor;
Described photovoltaic generating system monitoring device temperature sensor signal interaction end JA(junction ambient) parameter acquisition temperature of processor signal interaction end, described environment temperature sensor signal interaction end also JA(junction ambient) parameter acquisition processor signal interaction end.
Preferably, described air velocity transducer is DP-FS485.
Preferably, described irradiance sensor is FY-ZF.
Preferably, described temperature sensor is PT100.
The built-in multiple second order type analog to digital converter (ADC) of ADE7880, digital integrator, reference voltage source circuit and all required signal processing circuits, realize electric current, voltage waveform sampling with high precision, total (first-harmonic and harmonic wave) meritorious/apparent power measurement and effective value calculate, and fundamental active/wattless power measurement.In addition, ADE7880 calculates the harmonic wave root mean square on phase place and neutral line current and phase voltage, meritorious/idle/apparent power, and power factor and harmonic distortion on each harmonic wave of all phase places.Total harmonic distortion (THD) can be calculated for all electric currents and voltage simultaneously.While high-acruracy survey, also there is the function of phase-splitting system calibration, include valid value offset.
Environmental parameter collecting cassette for photovoltaic generating system monitoring device is made up of monitoring host computer, monitoring means, environmental parameter collecting cassette three part, as shown in Figure 1.Monitoring host computer realizes operating system, Database Systems, the control of application system multilevel security.Realize the functions such as Monitoring Data record, display, data analysis, data query, system management.Monitoring means realizes collection and the measurement of photovoltaic generating system AC-DC parameter.Environmental parameter collecting cassette realizes the collection of temperature, solar irradiance and wind speed and uploads, and monitoring means, environmental parameter collecting cassette utilize RS485 bus to communicate with monitoring host computer.
Monitoring means primarily of LPC2368ARM processor, ac sensor and signal conditioning circuit, ADE7880 high-precision measuring chip, direct current transducer and signal conditioning circuit, AD sampler, liquid crystal touch display screen composition, as shown in Figure 2.
LPC2368 microcontroller is as control core of the present utility model, for realizing the control to LCD touch screen, the initialization of ADE7880 and the acquisition of related measurement data, storage, and with the communication of monitoring host computer, ADE7880 three-phase high-accuracy multifunctional computation chip, realize collection and the measurement of photovoltaic generating system alternating-current parameter, AD sampler realizes the collection of DC parameter, and liquid crystal touch display screen realizes the display on the spot of photovoltaic generating system operational factor.
Signal conditioning circuit major function be by analog signal after filtering, amplify, etc. link be adjusted to ADE7880 input required by scope.What have the greatest impact to measurement result is sampling precision, and ADE7880 chip ensure that the sampling precision of signal on internal hardware, digital filter add the certainty of measurement further increasing chip.In order to eliminate the non-linear and precision of external sensor to the impact of measurement result, the utility model adopts resistance pressure-dividing network to realize voltage signal sampling, sampling resistor adopts high stable, temperature floats little precision resistance, and utility model RC frequency overlapped-resistable filter carries out filtering process to signal, voltage signal passage as shown in Figure 3.
In figure, the amplitude of output voltage signal is:
Be less than ADE7880 maximum input signal amplitude 0.5V.Anti-aliasing low pass filter for being set to 8kHz according to corner frequency value, calculating according to formula (2) and chooses low pass filter resistance value R=1k Ω, C=22nF.
TVS is that overvoltage protection prevents electrical network instantaneous pressure from causing damage to circuit, and magnetic bead is for absorbing the High-frequency Interference from electrical network.
Current channel adopts copper-manganese sheet to sample to current signal, and current signal is sampled as voltage signal by copper-manganese and after amplifying, is input to ADE7880 electric current leads to, as shown in Figure 3.
In the utility model, copper-manganese sampling resistor adopts 1 milliohm, and after precise amplifying circuit carries out 6 times of amplifications to signal, the electric current being input to ADE7880 through follow-up anti-aliasing filter process leads to, and magnetic bead is for absorbing the High-frequency Interference from electrical network.
ADE7880 has three serial port interface: complete I2C interface, a Serial Peripheral Interface (SPI) (SPI) and a high-speed data acquisition port (HSDC) perhaps.ADE7880 has four kinds of mode of operations (normal-power mode, consumption reduction pattern, low-power consumption mode, park mode), and concrete pattern is by the Determines of PM0 and PM1 pin.During due to employing HSDC interface, microcontroller can only be operated in slave mode, in order on the basis meeting acquisition speed, improve the flexibility of data acquisition, the utility model adopts the SPI Interface realization of LPC2368 and the SPI interface communication of ADE7880, and the SPI of LPC2368 is operated in host mode.The elementary diagram of LPC2368 and ADE7880 as shown in Figure 4.In Fig. 5, P1.19, P1.20 of LPC2368 are connected with PM0, PM1 of ADE7880 respectively, for the mode of operation of control ADE7880.
Environmental parameter collecting cassette hardware utility model
Environmental parameter collecting cassette is made up of MSP430 processor, temperature sensor, irradiance sensor, air velocity transducer etc., as shown in Figure 6.
MSP430 processor is as the control core of collecting cassette, for realize initialization to transducer, control, measurement and and the communication of monitoring host computer, irradiance sensor, temperature sensor, air velocity transducer realize the collection of the environmental parameters such as solar irradiance, assembly temperature, ambient temperature and wind speed.
In conjunction with the utility model of the photovoltaic generating system system monitoring system of LPC2368, ADE7880, direct current sampling, environmental parameter collecting cassette, this device utilizes LPC2368 controller to control collection to photovoltaic system on-site generated power system alternating current-direct current data, by can to Monitoring Data collection, analysis, process, inquiry with monitoring host computer.By testing results on the spot, this device can not only gather routine datas such as photovoltaic generating system voltage, electric current, power, generating efficiency, environmental parameters, the power quality parameters such as photovoltaic generating system harmonic wave, power factor, percent harmonic distortion can also be monitored, grasp the current operating conditions of electricity generation system, Timeliness coverage exception is also taken measures.This device can not only be used for the monitoring of photovoltaic generating system, also can also for the monitoring field of other qualities of power supply.
The utility model software program portion is well known to those skilled in the art.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (6)
1. for an environmental parameter collecting cassette for photovoltaic generating system monitoring device, it is characterized in that, comprising: temperature sensor, irradiance sensor and air velocity transducer;
Described temperature sensor signal interaction end JA(junction ambient) parameter acquisition temperature of processor signal interaction end, described irradiance sensor signal interaction end connects JA(junction ambient) parameter acquisition processor irradiance signal interaction end, described air velocity transducer signal interaction end connects JA(junction ambient) parameter acquisition processor wind velocity signal interaction end, and described temperature sensor, irradiance sensor and air velocity transducer are for gathering the environmental parameter of photovoltaic generating system.
2. the environmental parameter collecting cassette for photovoltaic generating system monitoring device according to claim 1, is characterized in that, described environmental parameter Acquisition Processor is MSP430 processor.
3. the environmental parameter collecting cassette for photovoltaic generating system monitoring device according to claim 1, it is characterized in that, described temperature sensor comprises: photovoltaic generating system monitoring device temperature sensor and environment temperature sensor;
Described photovoltaic generating system monitoring device temperature sensor signal interaction end JA(junction ambient) parameter acquisition temperature of processor signal interaction end, described environment temperature sensor signal interaction end also JA(junction ambient) parameter acquisition processor signal interaction end.
4. the environmental parameter collecting cassette for photovoltaic generating system monitoring device according to claim 1, is characterized in that, described air velocity transducer is DP-FS485.
5. the environmental parameter collecting cassette for photovoltaic generating system monitoring device according to claim 1, is characterized in that, described irradiance sensor is FY-ZF.
6. the environmental parameter collecting cassette for photovoltaic generating system monitoring device according to claim 1, is characterized in that, described temperature sensor is PT100.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770425A (en) * | 2016-12-05 | 2017-05-31 | 广电计量检测（武汉）有限公司 | Portable solar radiant heat effect test system |
| CN107219862A (en) * | 2017-04-21 | 2017-09-29 | 珠海格力电器股份有限公司 | The control method of photovoltaic extending system |
| CN107941361A (en) * | 2017-03-27 | 2018-04-20 | 国网河南省电力公司电力科学研究院 | A kind of method of the relevant photovoltaic module operating temperature prediction of meteorology |
| CN108418547A (en) * | 2018-05-07 | 2018-08-17 | 北京汉能光伏投资有限公司 | Domestic solar outgoing electrical measurement test system |
-
2015
- 2015-10-28 CN CN201520844032.XU patent/CN205160467U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770425A (en) * | 2016-12-05 | 2017-05-31 | 广电计量检测（武汉）有限公司 | Portable solar radiant heat effect test system |
| CN106770425B (en) * | 2016-12-05 | 2019-08-02 | 广电计量检测（武汉）有限公司 | Mobile solar radiant heat effect test system |
| CN107941361A (en) * | 2017-03-27 | 2018-04-20 | 国网河南省电力公司电力科学研究院 | A kind of method of the relevant photovoltaic module operating temperature prediction of meteorology |
| CN107219862A (en) * | 2017-04-21 | 2017-09-29 | 珠海格力电器股份有限公司 | The control method of photovoltaic extending system |
| CN108418547A (en) * | 2018-05-07 | 2018-08-17 | 北京汉能光伏投资有限公司 | Domestic solar outgoing electrical measurement test system |
| CN108418547B (en) * | 2018-05-07 | 2024-03-08 | 东君新能源有限公司 | Solar outdoor power generation test system |
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