CN214793481U - Distributed regional irradiance measurement system - Google Patents
Distributed regional irradiance measurement system Download PDFInfo
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- CN214793481U CN214793481U CN202121159772.1U CN202121159772U CN214793481U CN 214793481 U CN214793481 U CN 214793481U CN 202121159772 U CN202121159772 U CN 202121159772U CN 214793481 U CN214793481 U CN 214793481U
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Abstract
The utility model discloses a distributed regional irradiance measurement system, including central collection module, information interface module and a plurality of module of calculating on the spot, central collection module include data receiving interface unit and the processing unit of mutual electric connection, the module of calculating on the spot include measuring unit, computational element and the data transmission interface unit of electric connection in proper order; each local measuring and calculating module is connected with a data receiving interface unit of the central collecting module through a data sending interface unit, and a processing unit of the central collecting module is connected with external equipment through an information interface module. The utility model discloses a distributed architecture data collection, stability is high, expansibility is strong, can reduce solar power plant's construction and maintenance cost.
Description
Technical Field
The utility model relates to a photovoltaic power generation irradiance is measured and prediction field, especially relates to a regional irradiance measurement system of distributing type.
Background
In a photovoltaic power generation system, the irradiance change condition of a power station area has an important influence on the power generation efficiency, and the traditional irradiance measurement method is to directly arrange a high-precision three-component irradiance meter to detect the scattered irradiance, the direct irradiance and the reflected irradiance. Although accurate irradiance measurement data can be obtained by the method, the unit price of the irradiance meter is high, the construction and maintenance cost of the power station area is increased, and the economic benefit is not improved.
For example, chinese patent publication No. CN203083700U discloses an omnidirectional solar irradiance measurement system, which includes a solar total amplitude measurement circuit, a voltage and current measurement circuit, an azimuth stepping motor drive circuit, and an elevation stepping motor drive circuit, and provides an omnidirectional solar irradiance measurement system capable of measuring the power generation efficiency of a solar cell panel at different azimuths and elevations, so as to obtain omnidirectional solar irradiance through conversion.
The scheme based on multi-subsystem information fusion can effectively reduce the cost of an irradiance measurement system, and the reason is that a low-cost irradiance instrument with low price and small measurement range can be used for obtaining the integral irradiance information of the power station area in a regional combination mode. Therefore, it is necessary to design a distributed scheme to reduce the overall construction cost of irradiance equipment in a power station by increasing the number of low-cost equipment, so as to achieve the purposes of cost reduction and efficiency improvement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a regional irradiance measurement system of distributing type has characteristics such as safe, feasible, easy to carry out, has very high practical application and worth.
The technical scheme of the utility model as follows:
a distributed regional irradiance measurement system comprises a central collection module, an information interface module and a plurality of on-site measurement and calculation modules, wherein the central collection module comprises a data receiving interface unit and a processing unit which are electrically connected with each other, and the on-site measurement and calculation modules comprise a measurement unit, a calculation unit and a data sending interface unit which are electrically connected in sequence;
each local measuring and calculating module is connected with a data receiving interface unit of the central collecting module through a data sending interface unit, and a processing unit of the central collecting module is connected with external equipment through an information interface module.
Further, in the on-site measuring and calculating module, the measuring unit comprises, but is not limited to, a fisheye camera device, an irradiance meter device and a GPS device, and the output ends of the fisheye camera device, the irradiance meter device and the GPS device are connected with the calculating unit.
Furthermore, the computing unit and the processing unit both comprise a CPU device, a GPU device and a data storage device.
Furthermore, the data sending interface unit is connected with the data receiving interface unit through RS232/485, MODBUS, 4G, 5G, Lora or ZigBee.
Furthermore, the information interface module comprises an OPC communication interface and a MODBUS communication interface for connecting external devices.
Furthermore, the local measuring and calculating module uses a dual redundant power supply system and is respectively powered by a remote power supply and a self-contained battery.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the irradiance measuring system provided by the utility model has low cost and easy deployment, and reduces the construction and maintenance cost of the solar power station;
2. the utility model can measure the irradiance of the power station area and effectively guide information for a follow-up photovoltaic power generation control system;
3. the utility model discloses a distributed architecture data collection, stability is high, expansibility is strong.
Drawings
Fig. 1 is a schematic view of a distributed irradiance measurement system according to the present invention;
fig. 2 is a schematic structural diagram of the on-site measurement module of the present invention.
Detailed Description
The invention will be described in further detail with reference to the following figures and examples, which are intended to facilitate the understanding of the invention without limiting it.
In this embodiment, a photovoltaic power generation station area is taken as an example, and a distributed regional irradiance measurement system is described in detail.
As shown in fig. 1 and 2, a distributed regional irradiance measurement system, comprising: the system comprises a central collection module 1, an information interface module 2 and a plurality of local measurement and calculation modules 3. The local measurement and calculation module 3 comprises a measurement unit 4, a calculation unit 5 and a data transmission interface unit 6; the central collection module 1 comprises a data receiving interface unit and a processing unit. The local measuring and calculating module 3 is connected with the central collecting module 1 through a data sending interface unit 6 and a data receiving interface unit, and the output end of the central collecting module 1 is connected with the information interface module 2.
When the solar power station is installed, the on-site measuring and calculating modules 3 are arranged in plurality and are uniformly distributed in the solar power station area.
Further, as shown in fig. 2, in the local estimation module 3, the measurement unit 4 includes a fisheye camera 41, an irradiance meter 42 and a GPS device 43. The fisheye camera 41 is used to take a panoramic picture of the sky, the irradiance meter 42 is used to measure the irradiance of the current location of the device, and the GPS device 43 is used for positioning. In this embodiment, the fisheye camera 41 and the irradiance meter 42 corresponding to each local reckoning module 3 share one GPS device 43 for positioning.
Further, in the local reckoning module 3 and the central collection module 1, the computing unit 5 and the processing unit each include a CPU device, a GPU device, and a data storage device.
Further, between the local measuring and calculating module 3 and the central collecting module 1, the communication modes of data transmission and data reception include, but are not limited to, RS232/485, MODBUS, 4G, 5G, Lora, ZigBee and the like.
Further, the information interface module 2 includes an OPC communication interface, a MODBUS communication interface, and the like, for connecting to an external system device.
Further, the local measurement and calculation module 3 uses a dual redundant power supply system, which is powered remotely and by a battery.
In this embodiment, a Haokawav DS-2CD3955FWD-IWS 500 Wan panoramic fisheye monitoring camera and an SMP3 pyrameter Kipp & Zonen irradiance meter are used. The computing units and the processing units of the local computing module and the central collecting module both use embedded multi-port serial industrial mini-mainframe computers of GK5000 industrial personal computers of generation 8 in America.
The above-mentioned embodiment is to the technical solution and the beneficial effects of the present invention have been described in detail, it should be understood that the above is only the specific embodiment of the present invention, not used for limiting the present invention, any modification, supplement and equivalent replacement made within the principle scope of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A distributed regional irradiance measurement system is characterized by comprising a central collection module, an information interface module and a plurality of local measurement and calculation modules, wherein the central collection module comprises a data receiving interface unit and a processing unit which are electrically connected with each other, and the local measurement and calculation modules comprise a measurement unit, a calculation unit and a data sending interface unit which are electrically connected in sequence;
each local measuring and calculating module is connected with a data receiving interface unit of the central collecting module through a data sending interface unit, and a processing unit of the central collecting module is connected with external equipment through an information interface module.
2. The distributed irradiance measuring system according to claim 1, wherein in the on-site measuring module, the measuring unit comprises a fisheye camera device, an irradiance meter device and a GPS device, and output terminals of the fisheye camera device, the irradiance meter device and the GPS device are connected with the calculating unit.
3. The distributed regional irradiance measurement system of claim 1, wherein the computing unit and the processing unit each comprise a CPU device, a GPU device, and a data storage device.
4. The distributed regional irradiance measuring system of claim 1, wherein the data sending interface unit is connected with the data receiving interface unit through RS232/485, MODBUS, 4G, 5G, Lora or ZigBee.
5. The distributed irradiance measuring system of claim 1, wherein the information interface module comprises an OPC communication interface and a MODBUS communication interface for connecting with external devices.
6. The distributed regional irradiance measurement system of claim 1, wherein the local estimator module uses dual redundant power supply systems, each of which is remotely powered and self-contained battery powered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121159772.1U CN214793481U (en) | 2021-05-27 | 2021-05-27 | Distributed regional irradiance measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121159772.1U CN214793481U (en) | 2021-05-27 | 2021-05-27 | Distributed regional irradiance measurement system |
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| Publication Number | Publication Date |
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| CN214793481U true CN214793481U (en) | 2021-11-19 |
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| CN202121159772.1U Active CN214793481U (en) | 2021-05-27 | 2021-05-27 | Distributed regional irradiance measurement system |
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2021
- 2021-05-27 CN CN202121159772.1U patent/CN214793481U/en active Active
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