CN205693634U - Photovoltaic system monitoring contrast device - Google Patents

Photovoltaic system monitoring contrast device Download PDF

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Publication number
CN205693634U
CN205693634U CN201620578522.4U CN201620578522U CN205693634U CN 205693634 U CN205693634 U CN 205693634U CN 201620578522 U CN201620578522 U CN 201620578522U CN 205693634 U CN205693634 U CN 205693634U
Authority
CN
China
Prior art keywords
interface
direct current
energy meter
current energy
photovoltaic system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620578522.4U
Other languages
Chinese (zh)
Inventor
季新丰
倪健
刘明岳
顾学管
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canadian Solar Inc
Canadian Solar Manufacturing Changshu Inc
Original Assignee
Canadian Solar Manufacturing Changshu Inc
Canadian Solar China Investment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canadian Solar Manufacturing Changshu Inc, Canadian Solar China Investment Co Ltd filed Critical Canadian Solar Manufacturing Changshu Inc
Priority to CN201620578522.4U priority Critical patent/CN205693634U/en
Application granted granted Critical
Publication of CN205693634U publication Critical patent/CN205693634U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Photovoltaic Devices (AREA)

Abstract

The utility model discloses a kind of photovoltaic system monitoring contrast device, described photovoltaic system has photovoltaic module and is connected to the inverter of described photovoltaic module.Described monitoring contrast device includes distribution box, at least two that is contained in described distribution box is respectively in order to be connected to the different direct current energy meter of photovoltaic system, diverter and monitor terminal.Described direct current energy meter has to connect the U+ interface of photovoltaic module positive terminal, is connected to the I+ interface of the positive terminal of diverter and is commonly connected to the U interface of negative pole end and the I interface of described diverter.Described monitor terminal is in order to receive, store and to check each item data measured by described direct current energy meter.Use this utility model monitoring contrast device, gather each item data of different photovoltaic system more than two simultaneously, reduce test error, save the testing time;And it is easy to the storage of data and checks, additionally aid photovoltaic system and safeguard.

Description

Photovoltaic system monitoring contrast device
Technical field
This utility model relates to photovoltaic system field tests, particularly to a kind of photovoltaic system monitoring contrast device.
Background technology
In photovoltaic products research and development test and Product evaluation, it is often necessary to compare every real time data of two photovoltaic systems. The most employing segregation ratio are to method of testing, although the method is simple to operate, with low cost.But there is also many deficiencies: relatively Error is relatively big, poor synchronization, it is impossible to each item data of real time access and recording curve;And need Field Force's repetitive operation, no It is beneficial to stable operation and the maintenance of photovoltaic system.
In consideration of it, be necessary to provide a kind of new photovoltaic system monitoring contrast device.
Utility model content
This utility model purpose is to provide a kind of photovoltaic system monitoring contrast device, it is possible to gather simultaneously more than two not With each item data of photovoltaic system, reduce test error;And it is easy to the storage of data and checks, additionally aid photovoltaic system dimension Protect.
For realizing above-mentioned utility model purpose, this utility model provides a kind of photovoltaic system monitoring contrast device, described light Volt system has photovoltaic module and is connected to the inverter of described photovoltaic module.Described monitoring contrast device includes distribution box, receipts It is dissolved at least two in described distribution box respectively in order to be connected to the different direct current energy meter of photovoltaic system, diverter and prison Control terminal.Described direct current energy meter has to connect the U+ interface of photovoltaic module positive terminal, be connected to the positive terminal of diverter I+ interface and be commonly connected to U-interface and the I-interface of negative pole end of described diverter.Described monitor terminal is in order to connect Receive, store and check each item data measured by described direct current energy meter.
As further improvement of the utility model, described direct current energy meter and monitor terminal are by RS485 order wire phase Connect.
As further improvement of the utility model, described distribution box is provided with grounding assembly.
As further improvement of the utility model, in described distribution box, also collecting is provided with binding post and air is opened Closing, described binding post is in order to be just connected to inverter by the positive terminal of the U+ interface of described direct current energy meter Yu photovoltaic module Extremely, and by the negative pole end of inverter the I+ interface of direct current energy meter and the negative pole end of photovoltaic module it are connected to;Described air Switch is in order to the connection or the disconnection that control photovoltaic system.
As further improvement of the utility model, between described monitor terminal is computer, and described monitor terminal is set to Every the automatic reception of preset duration t and store the data measured by described direct current energy meter.
The beneficial effects of the utility model are: this utility model monitoring contrast device use during gather simultaneously two groups with The data of upper different photovoltaic system, reduce test error;Reduce the workload of execute-in-place, save the testing time;And it is easy to The storage of data with check, additionally aid photovoltaic system safeguard.
Accompanying drawing explanation
Fig. 1 is this utility model photovoltaic system monitoring contrast device frame structural representation.
Detailed description of the invention
Below with reference to embodiment shown in the drawings, this utility model is described in detail.But this embodiment is not Limit this utility model, structure that those of ordinary skill in the art is made, method or functionally according to this embodiment Conversion is all contained in protection domain of the present utility model.
This utility model provides a kind of photovoltaic system monitoring contrast device, including distribution box, is contained in described distribution box At least two respectively in order to be connected to the different direct current energy meter of photovoltaic system, diverter and monitor terminal.Described distribution Case is provided with grounding assembly so that the use of described monitoring contrast device is safer.Described direct current energy meter has and is connected to light Lie prostrate the positive and negative terminal of system bus and in order to measure U+ interface and the U-interface of photovoltaic system voltage, and in order to measure described photovoltaic The I+ interface of system bus electric current and I-interface.
Described photovoltaic system has photovoltaic module, the inverter being connected to described photovoltaic module and is arranged in distribution box And in order to connect the binding post of described inverter and to control connection or the air switch of disconnection of photovoltaic system.
It is illustrated in figure 1 this utility model photovoltaic system monitoring contrast device one better embodiment.Described monitoring contrast Device has direct current energy meter 1 and the direct current energy meter 2 being connected to two different photovoltaic systems.Described direct current energy meter 1, direct current Electric energy meter 2 is all connected by RS485 order wire with monitor terminal, and described monitor terminal is described in order to receive, store and to check Direct current energy meter 1 and each item data measured by direct current energy meter 2.
Described direct current energy meter 1 has to connect the U+ interface of photovoltaic module 1 positive terminal, be just connected to diverter 1 Extreme I+ interface and be commonly connected to negative pole end and mutually the U-interface of short circuit and the I-interface of described diverter 1.Described The U+ interface of direct current energy meter 1 and the positive terminal of photovoltaic module 1, the I+ interface of direct current energy meter 1 and the negative pole end of photovoltaic module 1 Positive terminal and the negative pole end of inverter 1 it is respectively connecting to also by described binding post.Similarly, described direct current energy meter 2 has Have to connect the U+ interface of photovoltaic module 2 positive terminal, be connected to the I+ interface of the positive terminal of diverter 2 and connect described point The U-interface of the negative pole end of stream device 2 and mutually short circuit and I-interface.In the present embodiment, described U+ interface and U-interface connect respectively It is connected to the positive and negative end of its place photovoltaic module to measure the voltage of photovoltaic module;Described I+ interface and I-interface are respectively as it The inflow end of place photovoltaic module electric current and outflow end, for measuring the electric current of photovoltaic module.
Described monitor terminal is computer, and described monitor terminal is set to be spaced the automatic reception of preset duration t and store institute State the data measured by direct current energy meter.As preset duration t being set to 5 minutes, close at air switch K1 and air switch K2 During conjunction, described direct current energy meter 1 and direct current energy meter 2 every 5 minutes will measured by the data that obtain be uploaded to monitor terminal And store.Wherein, interval preset duration t of data acquisition also can adjust and be set as other value, facilitates staff to carry out in real time Check and contrast.Except this, described monitor terminal can also be carried out fault report an error, favorably when photovoltaic system operation irregularity in time In the maintenance of photovoltaic system and guarantee the steady operation of photovoltaic system.
In sum, this utility model monitoring contrast device gathers different photovoltaic system more than two simultaneously during using Data, reduce test error, and the measured data obtained uploaded in time and stored, facilitate real time inspection and contrast;Fall Low work on the spot is born, and saves the testing time, and contributes to photovoltaic system maintenance and steady operation.
It is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises one Individual independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should will say Bright book is as an entirety, and the technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can With other embodiments understood.
The a series of detailed description of those listed above is only for the tool of feasibility embodiment of the present utility model Body illustrates, they are also not used to limit protection domain of the present utility model, all is made without departing from this utility model skill spirit Within equivalent implementations or change should be included in protection domain of the present utility model.

Claims (5)

1. a photovoltaic system monitoring contrast device, described photovoltaic system has photovoltaic module and is connected to described photovoltaic module Inverter, it is characterised in that: at least two difference that described monitoring contrast device includes distribution box, is contained in described distribution box In order to be connected to the different direct current energy meter of photovoltaic system, diverter and monitor terminal;Described direct current energy meter have in order to Connect the U+ interface of photovoltaic module positive terminal, be connected to the I+ interface of the positive terminal of diverter and be commonly connected to described shunting The U-interface of the negative pole end of device and I-interface;Described monitor terminal is in order to receive, store and to check that described direct current energy meter is surveyed The each item data obtained.
Monitoring contrast device the most according to claim 1, it is characterised in that: described direct current energy meter passes through with monitor terminal RS485 order wire is connected.
Monitoring contrast device the most according to claim 1, it is characterised in that: described distribution box is provided with grounding assembly.
Monitoring contrast device the most according to claim 1, it is characterised in that: also house in described distribution box and be provided with wiring Terminal and air switch, described binding post is in order to be connected the U+ interface of described direct current energy meter with the positive terminal of photovoltaic module To the positive terminal of inverter, and the negative pole end of inverter is connected to the I+ interface of direct current energy meter and the negative pole of photovoltaic module End;Described air switch is in order to control connection or the disconnection of photovoltaic system.
Monitoring contrast device the most according to claim 1, it is characterised in that: described monitor terminal is computer, and described prison Control terminal is set to be spaced the automatic reception of preset duration t and store the data measured by described direct current energy meter.
CN201620578522.4U 2016-06-14 2016-06-14 Photovoltaic system monitoring contrast device Expired - Fee Related CN205693634U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620578522.4U CN205693634U (en) 2016-06-14 2016-06-14 Photovoltaic system monitoring contrast device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620578522.4U CN205693634U (en) 2016-06-14 2016-06-14 Photovoltaic system monitoring contrast device

Publications (1)

Publication Number Publication Date
CN205693634U true CN205693634U (en) 2016-11-16

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CN201620578522.4U Expired - Fee Related CN205693634U (en) 2016-06-14 2016-06-14 Photovoltaic system monitoring contrast device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106771834A (en) * 2017-02-25 2017-05-31 华为技术有限公司 A kind of many DC source input wires detecting systems and photovoltaic group string formula inverter system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106771834A (en) * 2017-02-25 2017-05-31 华为技术有限公司 A kind of many DC source input wires detecting systems and photovoltaic group string formula inverter system
CN106771834B (en) * 2017-02-25 2019-07-12 华为技术有限公司 A kind of more DC source input wires detection systems and photovoltaic string type inverter system

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 215300 Suzhou high tech Zone, Jiangsu, Lu Shan Road, No. 199

Co-patentee after: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc.

Patentee after: CSI SOLAR POWER GROUP Co.,Ltd.

Address before: 215300 Suzhou high tech Zone, Jiangsu, Lu Shan Road, No. 199

Co-patentee before: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc.

Patentee before: CSI SOLAR POWER (CHINA) Inc.

CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province

Patentee after: Atlas sunshine Power Group Co.,Ltd.

Patentee after: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc.

Address before: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province

Patentee before: CSI SOLAR POWER GROUP Co.,Ltd.

Patentee before: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161116