CN207488523U - A kind of harvester of photovoltaic plant real-time weather information and power information - Google Patents
A kind of harvester of photovoltaic plant real-time weather information and power information Download PDFInfo
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- CN207488523U CN207488523U CN201721394452.8U CN201721394452U CN207488523U CN 207488523 U CN207488523 U CN 207488523U CN 201721394452 U CN201721394452 U CN 201721394452U CN 207488523 U CN207488523 U CN 207488523U
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- data collecting
- collecting instrument
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- sensing unit
- harvester
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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Abstract
The utility model discloses a kind of photovoltaic plant real-time weather information and the harvester of power information, including：Sequentially connected sensing unit and data collecting instrument, sensing unit are used to detect electric signal and meteorologic signal；Data collecting instrument is used to record the signal of sensing unit detection；It further includes：Signal condition unit, Auxiliary Power Units and babinet, signal condition unit are arranged between sensing unit and data collecting instrument, and the electric signal and meteorologic signal for being detected to sensing unit improve；Auxiliary Power Units are sensing unit, signal condition unit and data collecting instrument provide working power；Babinet is metal distribution box；Sensing unit is set outside the enclosure, and data collecting instrument is fixed in babinet.The utility model carries out totally digitilized paperless data record using data collecting instrument, can monitor measured parameter, measured data transmission to Computer Database in real time.
Description
Technical field
The utility model belongs to technical field of photovoltaic power generation, more particularly, to a kind of photovoltaic plant real-time weather information
With the harvester of power information.
Background technology
With the continuous growth of grid-connected photovoltaic power generation industry, installed capacity is growing.Due to photovoltaic generation power
Uncontrollable and related to meteorological condition, the grid-connected of photovoltaic plant can be to the difficulty in the increase scheduling of power grid and reliable to power grid
Operation bring hidden danger.Therefore, it predicts the power of photovoltaic generation, the generated energy of photovoltaic generation is predicted according to weather forecast, this
Sample can provide reliable information to power grid, so as to reduce scheduling difficulty, well ensure that the economical operation of power grid.Then,
The precision for further improving photovoltaic module model just must be set up accurate photovoltaic module operating temperature model.Further improve light
The accuracy of photovoltaic generating system power generation prediction, reference is provided for dispatching of power netwoks.
Utility model content
In view of the drawbacks of the prior art, the utility model provides a kind of photovoltaic plant real-time weather information and power information
Harvester is photovoltaic group its object is to acquire real-time weather data information and power information to predict the plate temperature of photovoltaic module
The plate temperature prediction of part and power prediction provide data supporting；Improve photovoltaic power station power generation precision of prediction.
The utility model provides a kind of photovoltaic plant real-time weather information and the harvester of power information, including：Successively
The sensing unit and data collecting instrument of connection, the sensing unit are used to detect electric signal and meteorologic signal；Data collecting instrument
For recording the signal of the sensing unit detection.
Further, it further includes：Signal condition unit, be arranged on the sensing unit and the data collecting instrument it
Between, electric signal and meteorologic signal for being detected to sensing unit improve.Signal condition unit need to become data-signal
It send as the acceptable signal form of data collecting instrument.
Further, it further includes：Auxiliary Power Units are carried for sensing unit, signal condition unit and data collecting instrument
For working power.
Further, Auxiliary Power Units are UPS uninterruptible power supplies.
Further, it further includes：Babinet, babinet are metal distribution box, have certain wind and water preventing ability；Sensing is single
Outside the enclosure, the data collecting instrument is fixed in babinet for member setting.
Further, sensing unit includes：The thermocouple A6 that is connect respectively with the data collecting instrument, environment temperature pass
Sensor A9, radiometer A7, airspeedometer A8 and power meter A5.Using thermocouple A6 measurement plate temperature, thermocouple is pasted onto photovoltaic group
Part backboard.Power meter A5 is in photovoltaic inverter grid-connected side bus sample rate current voltage signal.
Further, it the azimuth of radiometer A7 settings and the azimuth towards angle and photovoltaic module and is kept towards angle
Unanimously.
Further, data collecting instrument be LR8431-30 type data collecting instruments, data collecting instrument simulation current signal
It is converted into digital signal and storage medium is written in the form of a spreadsheet.Digital with no paper note is carried out using data collecting instrument
Record, can monitor operating condition in real time.
By the contemplated above technical scheme of the utility model, compared with prior art, due to using data collecting instrument
Record weather information and power information in real time can obtain the advantageous effect for facilitating data processing and prediction.
Description of the drawings
Fig. 1 is that the structural frames of photovoltaic plant real-time weather information provided by the utility model and power information harvester illustrate
It is intended to.
Fig. 2 is the field connection figure in the utility model embodiment.
Fig. 3 is the stud connector design figure of fixed radiometer.
Fig. 4 is the stud connector design figure of fixed airspeedometer A8.
Wherein, the reference numerals are as follows：A1 is photovoltaic DC-to-AC converter, and A2 is breaker, and A3 is current transformer, and A4 is electricity
Net (three-phase four-wire system, from left to right respectively A, B, C and zero curve), A5 is that (11,12,13,14 terminals are voltage sample to power meter
End, 3 to 8 terminals are current sampling port, and 17,21 ends are output terminal), A6 is thermocouple, and for measuring photovoltaic module plate temperature, A7 is
Radiometer, A8 are airspeedometer (terminal a1 is signal wire, and terminal a2 is ground wire, and terminal a3 is power cord), and A9 is passed for environment temperature
Sensor (terminal c1 is signal wire, and terminal c2 is ground wire, and terminal c3 is power cord), A10 is wiring board, connects alternating current, is each equipment
Power supply is provided, A11 is data collecting instrument, and A12 is accessory power supply (output 24V direct currents).
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The utility model proposes a kind of photovoltaic plant real-time weather informations and power information harvester；It can acquire in real time
Weather data information and power information predict the plate temperature of photovoltaic module, and the prediction of plate temperature and power prediction for photovoltaic module provide number
According to support；Improve photovoltaic power station power generation precision of prediction.
In the utility model, as shown in Figure 1, photovoltaic plant real-time weather information includes with power information harvester：Babinet
(not shown in figure 1), sensing unit, signal condition unit, data collecting instrument and Auxiliary Power Units (not shown in figure 1).Its
In, sensing unit is set outside the enclosure；Sensing unit includes：Thermocouple A6, environment temperature sensor A9, radiometer A7, wind speed
Count A8 and power meter A5；For detecting electric signal and meteorologic signal.
Signal condition unit includes：Sequentially connected signal transmitting device and signal amplifier；Signal transmitting device is used to believe
Number conditioning is current signal；Signal amplifier is used to amplify faint signal.The unified conditioning of signal is 4 by signal condition unit
The current signal of~20mA.If the output signal of sensor has been the current signal of 4~20mA, this element can be omitted.
Data collecting instrument is used to record the signal of sensor output；Data collecting instrument selects the model containing internal clocking,
For example, the LR8431-30 type data collecting instruments of model Zhi Motor Corporations can be selected.
Data collecting instrument and accessory power supply are each attached in babinet.Babinet can be with certain dustproof and rainproof ability
Metal distribution box.
In the utility model, Auxiliary Power Units are the DC power supply of 24V, are inputted as electric main.It is preferably, auxiliary
Help power supply unit that the power supply of UPS uninterruptible power supplies may be used.
In order to illustrate further the acquisition of photovoltaic plant real-time weather information provided by the utility model and power information dress
It puts；Below in conjunction with the accompanying drawings and pass through embodiment the utility model is described in more detail, following embodiment is to this
The explanation of utility model and the utility model is not limited to following embodiment.
Referring to Fig. 2, power meter A5 is installed in photovoltaic DC-to-AC converter distribution box in the present embodiment, power meter A5 voltage input ends
(11~terminal of terminal 14) is by cable connection in photovoltaic against the grid-connected side bus of device A1, the current input terminal (terminal 3 of power meter A5
~terminal 8) it is connected by current transformer with photovoltaic inverter grid-connected side bus.Power meter A5 output terminal (terminal 17 and terminal
21) it is connected by cable with data collecting instrument CH2 terminals.Radiometer A7 is fixed on the stent of photovoltaic module to ensure radiometer
A7 azimuths and azimuth towards angle and photovoltaic module and be consistent towards angle, radiometer signal leading-out terminal d1 and d2 with
Data collecting instrument CH2 terminals are connected.Environment temperature sensor A9 and airspeedometer A8 is in the unobstructed place installation of shadow-free.Environment
Temperature sensor A9 terminals c1 is signal output end, is connected with data collecting instrument CH5+；C2 is GND ends, with data collecting instrument
CH5- ends are connected with A12 accessory power supply direct current output negative terminals；C3 is DC power supply terminal, A12 accessory power supply direct current output anode phases
Even.Airspeedometer terminal a1 is signal output end, is connected with data collecting instrument CH4+；Terminal a2 is GND ends, with data collecting instrument
CH4- ends are connected with A12 accessory power supply direct current output negative terminals；Thermocouple is pasted onto photovoltaic component back plate, and output terminal is acquired with data
Instrument CH2 is connected.Power meter in photovoltaic inverter grid-connected side bus sample rate current voltage signal.Power meter A5, thermocouple A6, wind
The signal wire of speed meter A8, environment temperature sensor A9 and radiometer A7 all access the input terminal of data collecting instrument.
Referring to Fig. 3, for the workpiece of fixed radiometer, the radiometer in the present embodiment is fixed by connector shown in Fig. 3
On photovoltaic module support, it is consistent with the inclination angle for ensureing radiometer and photovoltaic module and towards angle.
Referring to Fig. 4, for the workpiece of fixed airspeedometer, the airspeedometer in the present embodiment is fixed by connector shown in Fig. 4
On observation stent, ensure airspeedometer have no occluder nearby.
Thermocouple in the present embodiment is pasted onto with adhesive waterproof tape on photovoltaic component back plate.Sensor selects in the present embodiment
It is as follows：
Table 1：Sensor information table
Furthermore, it is necessary to explanation is that the described specific embodiment of this specification, parts shape, named title etc. can
With difference；Selected sensor name, model can be different；Specific wiring can be different.More than this specification is described
Content is only to the illustration made by the utility model structure.All structures described according to the design of the utility model training
It makes, the equivalence changes that feature and principle are done or simple change are included in the protection domain of the utility model patent.This reality
With novel person of ordinary skill in the field various modifications or additions can be made to described specific embodiment
Or substituted using similar method, structure without departing from the utility model or surmount model defined in the claims
It encloses, all should belong to the protection range of the utility model.
Claims (7)
1. a kind of harvester of photovoltaic plant real-time weather information and power information, which is characterized in that including：Sequentially connected biography
Feel unit and data collecting instrument, the sensing unit is used to detect electric signal and meteorologic signal；Data collecting instrument is used to record
The signal of the sensing unit detection；Signal condition unit is arranged between the sensing unit and the data collecting instrument, is used
It is improved in the electric signal and meteorologic signal detected to the sensing unit.
2. harvester as described in claim 1, which is characterized in that further include：Auxiliary Power Units, it is single for the sensing
First, described signal condition unit and the data collecting instrument provide working power.
3. harvester as claimed in claim 2, which is characterized in that the Auxiliary Power Units are UPS uninterruptible power supplies.
4. harvester as described in claim 1, which is characterized in that further include：Babinet, the babinet are metal distribution box；
Outside the enclosure, the data collecting instrument is fixed in babinet for the sensing unit setting.
5. such as claim 1-4 any one of them harvesters, which is characterized in that the sensing unit includes：Respectively with institute
State thermocouple A6, environment temperature sensor A9, radiometer A7, airspeedometer A8 and the power meter A5 of data collecting instrument connection.
6. harvester as claimed in claim 5, which is characterized in that the azimuth of radiometer A7 setting and towards angle with
It the azimuth of photovoltaic module and is consistent towards angle.
7. harvester as described in claim 1, which is characterized in that the data collecting instrument is adopted for LR8431-30 type data
Collect instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721394452.8U CN207488523U (en) | 2017-10-26 | 2017-10-26 | A kind of harvester of photovoltaic plant real-time weather information and power information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721394452.8U CN207488523U (en) | 2017-10-26 | 2017-10-26 | A kind of harvester of photovoltaic plant real-time weather information and power information |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207488523U true CN207488523U (en) | 2018-06-12 |
Family
ID=62477576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721394452.8U Active CN207488523U (en) | 2017-10-26 | 2017-10-26 | A kind of harvester of photovoltaic plant real-time weather information and power information |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207488523U (en) |
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2017
- 2017-10-26 CN CN201721394452.8U patent/CN207488523U/en active Active
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