CN203705983U - Monitoring system for photovoltaic combiner box - Google Patents
Monitoring system for photovoltaic combiner box Download PDFInfo
- Publication number
- CN203705983U CN203705983U CN201320470591.XU CN201320470591U CN203705983U CN 203705983 U CN203705983 U CN 203705983U CN 201320470591 U CN201320470591 U CN 201320470591U CN 203705983 U CN203705983 U CN 203705983U
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- module
- digital
- analog
- chip microcomputer
- combiner box
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a monitoring system for a photovoltaic combiner box, and the system is provided with a single-chip microcomputer. The input end of the single-chip microcomputer is provided with an analog-digital converter, and the input end of the analog-digital converter is provided with a current monitoring module. The output end of the single-chip microcomputer is provided with a lightning stroke monitoring module, an air cooling module, and a digital-analog converter, wherein the lightning stroke monitoring module, the air cooling module and the digital-analog converter are in parallel connection with each other. The air cooling module is a fan. The output end of the digital-analog converter is provided with a nixie tube display module and an upper computer display module, which are in parallel connection with each other. The nixie tube display module is formed by the parallel arrangement of six nixie tubes. The system provided by the utility model can monitor the temperature of a confluence in real time, can reduce the temperature of the confluence through the air cooling module, prolongs the time of effective power generation, reduces the overheating phenomenon, can monitor a lightning protection device, displays data visually through the nixie tubes, can transmit data to a server in a wireless manner for remote monitoring, and protects the combiner box from breaking down in case of loss.
Description
Technical field:
The utility model relates to photovoltaic field, relates in particular to a kind of photovoltaic combiner box supervisory system.
Background technology:
For large-sized photovoltaic grid-connected system, in order to reduce connecting line between photovoltaic module and inverter, the meeting of convenient committee and raising reliability, generally need between photovoltaic module and inverter, increase direct current reflux, it is header box, pass through header box, user can be according to the DC voltage scope of inverter input, the photovoltaic module identical specification of some is connected into a photovoltaic module tandem, again by several tandem access photovoltaic array lightning-protection header boxes, by exporting after lightning protection device and isolating switch, facilitate the access of rear class inverter.
At present, header box on the market generally adopts RS485 or optical fiber mode to carry out data transmission, therefore need to lay a large amount of communication cables or light transmitting fiber in power station, and material cost and construction cost are high, and signal is easily interfered.And can produce heat while confluxing due to electric current in header box inside, this heat has a certain impact to the tool in serviceable life of circuit, when serious, can burn header box, impact is generated electricity and causes sizable economic loss.In order to monitor header box internal temperature, the producer of domestic production header box is all air themperature in monitoring case at present, and this mode has certain error to the monitoring of circuit.
In order to prevent that thunder and lightning from hitting header box header box is caused to damage, in existing header box, all can load onto lightning protection device, the electric current producing in quilt can being struck by lightning time be guided to underground, avoids header box to produce and damage.But existing lightning protection device has certain number of lightning strokes restriction, once exceed restriction, lightning protection device will be ineffective, and header box safety coefficient will reduce.
Summary of the invention:
Technical problem to be solved in the utility model is, a kind of photovoltaic combiner box supervisory system is provided, can monitor the temperature of confluence in whole header box, and data are intuitively shown by charactron, can be dealt into server by wireless mode and realize remote monitoring simultaneously.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions: a kind of photovoltaic combiner box supervisory system, there is single-chip microcomputer, on described single-chip microcomputer input end, be provided with analog to digital converter, on the input end of analog to digital converter, be provided with current monitoring module; On described single-chip microcomputer output terminal, be provided with thunderbolt monitoring modular parallel with one another, wind cooling temperature lowering module and digital to analog converter.
Preferably, described wind cooling temperature lowering module is fan.
Preferably, on described digital to analog converter output terminal, be provided with charactron display module parallel with one another and host computer display module.
Preferably, described charactron display module is made up of side by side 6 charactrons.
Compared with prior art, usefulness of the present utility model is: this photovoltaic combiner box supervisory system can be monitored in real time to the temperature of confluence, can reduce confluence temperature by wind cooling temperature lowering module, extend effective generating dutation and reduce superheating phenomenon, can monitor lightning protection device, and data are intuitively shown by charactron, can be dealt into server by wireless mode and realize remote monitoring simultaneously, avoid header box to break down and cause damage.
Brief description of the drawings:
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Fig. 1 is the utility model photovoltaic combiner box supervisory system structured flowchart.
In figure: 1, single-chip microcomputer; 2, thunderbolt monitoring modular; 3, wind cooling temperature lowering module; 4, analog to digital converter; 5, digital to analog converter; 6, current detection module; 7, charactron display module; 8, host computer display module.
Embodiment:
Below in conjunction with the drawings and the specific embodiments, the utility model is described in detail:
Shown in Fig. 1, a kind of photovoltaic combiner box supervisory system, has single-chip microcomputer 1, on described single-chip microcomputer 1 input end, is provided with analog to digital converter 4, is provided with current monitoring module 6 on the input end of analog to digital converter 4; On described single-chip microcomputer 1 output terminal, be provided with thunderbolt monitoring modular 2 parallel with one another, wind cooling temperature lowering module 3 and digital to analog converter 5; Described thunderbolt monitoring modular 2 can be reported to the police to the lightning protection device losing efficacy, and reminds staff to change in time; Described wind cooling temperature lowering module 3 is fan, and this this fan is arranged on river outlet below, and one terminates on triode, drives by triode amplified current, and confluence temperature is lowered the temperature, and extends effective generating dutation and reduces superheating phenomenon; It is convenient to repair when making header box inside be out of order, on described digital to analog converter 5 output terminals, be provided with charactron display module 7 parallel with one another and host computer display module 8, charactron display module 7 can show in real time to the data of header box internal current temperature monitoring apparatus; Described charactron display module 7 is made up of side by side 6 charactrons, the first two charactron shows the temperature of current confluence, rear four charactrons show current information, wherein, count from left to right, which passage the 3rd, the 4th charactron shows, the 5th, the 6th charactron shows current value, control the selection of current channel by two buttons (passage+, passage-).
This photovoltaic combiner box supervisory system can be monitored in real time to the temperature of confluence, can reduce confluence temperature by wind cooling temperature lowering module 3, extend effective generating dutation and reduce superheating phenomenon, can monitor lightning protection device, and data are intuitively shown by charactron, can be dealt into server by wireless mode and realize remote monitoring, avoid header box to break down and cause damage simultaneously.
It is emphasized that: be only preferred embodiment of the present utility model above, not the utility model is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of technical solutions of the utility model.
Claims (4)
1. a photovoltaic combiner box supervisory system, it is characterized in that: there is single-chip microcomputer (1), on described single-chip microcomputer (1) input end, be provided with analog to digital converter (4), on the input end of analog to digital converter (4), be provided with current monitoring module (6); On described single-chip microcomputer (1) output terminal, be provided with thunderbolt monitoring modular (2) parallel with one another, wind cooling temperature lowering module (3) and digital to analog converter (5).
2. photovoltaic combiner box supervisory system according to claim 1, is characterized in that: described wind cooling temperature lowering module (3) is fan.
3. photovoltaic combiner box supervisory system according to claim 1, is characterized in that: on described digital to analog converter (5) output terminal, be provided with charactron display module (7) parallel with one another and host computer display module (8).
4. photovoltaic combiner box supervisory system according to claim 3, is characterized in that: described charactron display module (7) is made up of side by side 6 charactrons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320470591.XU CN203705983U (en) | 2013-08-05 | 2013-08-05 | Monitoring system for photovoltaic combiner box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320470591.XU CN203705983U (en) | 2013-08-05 | 2013-08-05 | Monitoring system for photovoltaic combiner box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203705983U true CN203705983U (en) | 2014-07-09 |
Family
ID=51056389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320470591.XU Expired - Fee Related CN203705983U (en) | 2013-08-05 | 2013-08-05 | Monitoring system for photovoltaic combiner box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203705983U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764527A (en) * | 2017-09-08 | 2018-03-06 | 北京金鸿泰科技有限公司 | The fault detection method and system of a kind of header box |
| CN110242503A (en) * | 2019-06-04 | 2019-09-17 | 湖南金太阳光伏发电科技股份有限公司 | A kind of large scale wind air energy intelligence machine device systems |
-
2013
- 2013-08-05 CN CN201320470591.XU patent/CN203705983U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764527A (en) * | 2017-09-08 | 2018-03-06 | 北京金鸿泰科技有限公司 | The fault detection method and system of a kind of header box |
| CN110242503A (en) * | 2019-06-04 | 2019-09-17 | 湖南金太阳光伏发电科技股份有限公司 | A kind of large scale wind air energy intelligence machine device systems |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20140805 |
|
| EXPY | Termination of patent right or utility model |