CN105336014A - Distributed photovoltaic settlement monitoring display terminal - Google Patents
Distributed photovoltaic settlement monitoring display terminal Download PDFInfo
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- CN105336014A CN105336014A CN201410397461.7A CN201410397461A CN105336014A CN 105336014 A CN105336014 A CN 105336014A CN 201410397461 A CN201410397461 A CN 201410397461A CN 105336014 A CN105336014 A CN 105336014A
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Abstract
The invention discloses a distributed photovoltaic settlement monitoring display terminal which comprises an input unit, a display unit, a control unit and a communication unit. The input unit, the display unit and the communication unit are respectively communicated with the control unit. The control unit controls display information of the display unit according to an input state of the input unit. The control unit communicates with an external data concentration unit through the communication unit. The distributed photovoltaic settlement monitoring display terminal can conveniently check a distributed photovoltaic power station's information such as voltage, current, ripple, power, daily settlement, monthly settlement, yearly settlement and the like, and can detect whether photovoltaic modules need to be maintained according to the checked settlement information and each photovoltaic power generation unit's voltage, current, ripple, power and other information.
Description
Technical field
The present invention relates to communication, technical field of electric power, particularly, relate to a kind of distributed photovoltaic clearing monitoring display terminal.
Background technology
For promoting the development of distributed photovoltaic power generation, China has put into effect a series of support policy since 2013, and within 2014, local supporting policy is also constantly released, and distributed photovoltaic power generation presents flourish situation.But because current technology and distributed power generation form the restriction of structure, still there are the restraining factors such as investment cycle length, financing difficulty in distributed photovoltaic power generation.
Large in order to solve front-end investment, the difficult problem that reciprocation cycle is long, we have proposed " single-point metering, multiple spot confluxes, take care of the pence, concentrate inversion, concentrate and use, centralized management, concentrate online " construction scheme, namely solar panel is arranged on the application installation family of photovoltaic plant or the vacant lot of business unit, then fixing inversion place is flowed to through header box unification, unified inversion access public electric wire net, then unified management is carried out, unified maintenance, thus reduce the construction cost in early stage, reduce overall maintenance difficulties, whole distributed photovoltaic power generation system composition as shown in Figure 1.
In such scheme, all monitoring settlement datas all will arrive external data centralized unit and check, due to the needs of device security and Electrical Safety, data centralization cellular installation is in low-tension distribution box, check that data are very inconvenient, in addition because management and participant can not keep at data centralization unit place constantly, when there is warning or failure message, cannot timely and effectively process.
Summary of the invention
In order to solve breaking down the problem that can not process effectively, in time to distributed photovoltaic power generation process of existing in prior art, the present invention proposes a kind of distributed photovoltaic clearing monitoring display terminal.
Distributed photovoltaic clearing monitoring display terminal of the present invention, comprising: input block, display unit, control module, communication unit, described input block, display unit, communication unit communicate with described control module respectively; Described control module controls the display information of described display unit according to the input state of described input block; Described control module is communicated with external data centralized unit by described communication unit.
Distributed photovoltaic clearing monitoring display terminal of the present invention, can check the information such as the voltage in distributed photovoltaic power station, electric current, ripple, power, daily settlement, monthly billing, year clearing easily; Can according to the settlement information viewed, the information such as voltage, electric current, ripple, power of each photovoltaic generation unit, checks that the photovoltaic module of oneself is the need of maintenance.Utilize this distributed method of checking, safeguard that the responsibility of photovoltaic plant is distributed to each component units of photovoltaic plant, thus improve the care and maintenance level of photovoltaic plant, improve the life-span of photovoltaic plant, increase efficiency.When photovoltaic plant breaks down or reports to the police, related personnel or unit can make a response soon, thus effectively reduce fault-time, reduce economic loss.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from instructions, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write instructions, claims and accompanying drawing and obtain.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for instructions, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation in distributed photovoltaic power station;
Fig. 2 is the structure principle chart of distributed photovoltaic of the present invention clearing monitoring display terminal;
Fig. 3 is the workflow diagram of the distributed photovoltaic clearing monitoring display terminal of the embodiment of the present invention;
Fig. 4 is the interruption process flow diagram of the distributed photovoltaic clearing monitoring display terminal of the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of embodiment.
In order to solve breaking down the problem that can not process effectively, in time to distributed photovoltaic power generation process of existing in prior art, the present invention proposes a kind of distributed photovoltaic clearing monitoring display terminal.
Distributed photovoltaic clearing monitoring display terminal of the present invention, is arranged on family or the enterprises of each participation distributed photovoltaic power generation, is communicated by wireless or wired mode with external data centralized unit, the information such as display alarm timely and fault clearing.When have fault or report to the police occur time, distributed photovoltaic clearing monitoring display terminal can send hummer or audio alert and show failure code.Distributed photovoltaic clearing monitoring display terminal of the present invention employs segment encode liquid crystal display, buzzer warning, plastic casing etc., and support of wireless communication, greatly reduces manufacturing cost, thus also reduces the construction cost in distributed photovoltaic power station.
As shown in Figure 2, distributed photovoltaic clearing monitoring display terminal of the present invention, comprise: input block 10, display unit 20, control module 30, alarm unit 40, memory module 50 and communication unit 60, communication unit 60 comprises wireless communication unit 601, serial communication unit 602.Power input voltage of the present invention is 220V, uses integrated die-casting plastic casing to encapsulate.Input block 10, display unit 20, alarm unit 40, memory module 50, wireless communication unit 601, serial communication unit 602 communicate with control module 30 respectively.
Input block 10 is key-press input unit, comprising: acknowledgement key, shift key, numerical key, and acknowledgement key is used for when cursor place menu exists sub-menus, enters sub-menus; When there is Previous Menu, enter Previous Menu.Shift key is used for when cursor can move up and down, and click shift key and can move down cursor, when moving to menu end, cursor is turned to the front position of menu.Numerical key be used for when cursor certain can setup parameter certain numerically time, clicks keyboard can make numeral increase, be turned to 0 when being increased to 9.
Display unit 20 shows charactron by state and segment encode liquid crystal forms, wherein state display charactron is indicated 4 kinds of states of this terminal by 4 red charactrons, these 4 kinds of state display charactrons are respectively: (1) run indicator, (2) malfunction indicator lamp, (3) power light, (4) communication pilot lamp.
The every flicker in 2 seconds of run indicator once, represents that terminal is normally run; If malfunction indicator lamp is normal bright state, show the failure situations that there occurs setting, occur mistake etc. as when garble, the power-off of photovoltaic cell group, clearing; If power light is normal bright state, show that terminal is connected with the mains; The flicker of communication pilot lamp shows that distributed photovoltaic clearing monitoring display terminal communicates with external data centralized unit.
Distributed photovoltaic clearing monitor terminal is not when warning or user input, and the most of the time is in dormant state, and segment encode liquid crystal and backlight are closed, and can reduce because install the power consumption of display terminal increase.
When control module 30 has detected key-press input, light segment encode liquid crystal and backlight, then according to the state of key-press input, select the parameter such as daily settlement, monthly billing, year clearing, voltage, electric current, temperature, power, ripple, communication baud rate, the machine address that display is current, also the state can selected according to button shows the parameter that can set, as baud rate, the machine address, communication mode, alarm parameters and the parameter such as communication unit 60 communication means and call duration time.
Alarm unit 40 can configure hummer and voice module as required, when the fault of specifying being detected, hummer is sounded a buzzer, and voice module can quote defect content according to failure code, at the end of time of fire alarming key-press input or setting being detected, report to the police and stop.
The EEPROM that memory module 50 is 1k byte by capacity forms, can according to setting, stored parameter, settlement data etc.
Wireless communication unit 601 communicates according to the communication protocol specified with external data centralized unit for terminal with serial communication unit 602.
As shown in Figure 3, the workflow of distributed photovoltaic clearing monitoring display terminal of the present invention is elaborated, in the present embodiment, by judging whether displaying time counter is zero, and then determine that control module 30 performs user operation and still enters dormant state: when when displayed, counter is non-vanishing, light segment encode liquid crystal and backlight, control module 30 performs user operation; When displayed during counter vanishing, close segment encode liquid crystal and backlight, control module 30 enters dormant state.When timer wakes control module 30 up time, if displaying time counter is zero, then control module 30 again enters dormant state after completing communication.
Step S101: after powering on, first carries out terminal self testing.
Step S102: the information such as display manufacturer title, software version number, hardware version numbers, sequence number;
Step S103: self-inspection is carried out to display alarm state;
Whether step S104: send alerting signal, normally work in order to detection alarm unit 40, after 2 seconds, reports to the police and stop, the information such as the electric current and voltage of the current distributed photovoltaic power generation of segment encode liquid crystal display.
Step S105: start Terminal Control Element 30 timer internal;
Step S106: if display is after 30 seconds, keying input information do not detected, terminal enters dormant state.
Step S107: if key-press input detected during dormancy, then control module 30 can be waken up, and then resets displaying time counter;
Step S108: judge whether also there is warning message, if so, then closes alarm unit 40, proceeds to step S109;
If not, then directly step S109 is proceeded to;
Step S109: the display recovering segment encode liquid crystal, light segment encode LCD backlight, at this moment user can utilize key-press input simultaneously, checks the information such as voltage, electric current, power, ripple of each photovoltaic input block in distributed photovoltaic power station, check clearing, fault alarm situation, amendment configuration parameter;
Step S110: detection display time counter, if displaying time counter is zero, then proceeds to step S106;
If displaying time counter is non-vanishing, then proceed to step S108.
As shown in Figure 4, the interruption flow process of distributed photovoltaic clearing monitoring display terminal of the present invention is described in detail:
Step S201: control module 30 inside is provided with the timer of 2 seconds, produces an interruption in every 2 seconds;
Step S202: timing wake-up display terminal, then communicates with external data centralized unit according to information such as communication channel and the baud rate stipulations of setting;
Step S203: read the information such as the voltage of current photovoltaic generation, electric current, fault, warning, clearing; According to user's setting, or the information such as default storage fault, warning, clearing;
Step S204: detect whether read fault alarm information from external data centralized unit, if it is starts hummer or voice module, and store alarms information, proceed to step S205.
Step S205: detect whether there is keying input information, if not, then judge whether displaying time counter is zero, if be zero, then exits interruption flow process; If key information do not detected, and displaying time counter is non-vanishing, then displaying time counter is subtracted one;
If key-press input detected, then proceed to step S206;
Step S206: again count displaying time counter.
Distributed photovoltaic clearing monitoring display terminal of the present invention, can check the information such as the voltage in distributed photovoltaic power station, electric current, ripple, power, daily settlement, monthly billing, year clearing easily; Can according to the settlement information viewed, the information such as voltage, electric current, ripple, power of each photovoltaic generation unit, checks that the photovoltaic module of oneself is the need of maintenance.Utilize this distributed method of checking, safeguard that the responsibility of photovoltaic plant is distributed to each component units of photovoltaic plant, thus improve the care and maintenance level of photovoltaic plant, improve the life-span of photovoltaic plant, increase efficiency.When photovoltaic plant breaks down or reports to the police, related personnel or unit can make a response soon, thus effectively reduce fault-time, reduce economic loss.
The present invention can have multiple multi-form embodiment; above for Fig. 1-Fig. 4 by reference to the accompanying drawings to technical scheme of the present invention explanation for example; this does not also mean that the instantiation that the present invention applies can only be confined in specific flow process or example structure; those of ordinary skill in the art should understand; specific embodiments provided above is some examples in multiple its preferred usage, and the embodiment of any embodiment the claims in the present invention all should within technical solution of the present invention scope required for protection.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a distributed photovoltaic clearing monitoring display terminal, it is characterized in that, comprising: input block, display unit, control module, communication unit, described input block, display unit, communication unit communicate with described control module respectively;
Described control module controls the display information of described display unit according to the input state of described input block; Described control module is communicated with external data centralized unit by described communication unit.
2. distributed photovoltaic clearing monitoring display terminal according to claim 1, it is characterized in that, also comprise: memory module, the EEPROM that described memory module is 1KB byte by capacity forms, described memory module communicates with described control module, stores the information that described control module exports.
3. distributed photovoltaic clearing monitoring display terminal according to claim 1, it is characterized in that, also comprise: alarm unit, described alarm unit communicates with described control module.
4. distributed photovoltaic clearing monitoring display terminal according to claim 3, it is characterized in that, described alarm unit comprises: hummer and voice module, sounds a buzzer when described hummer is for the fault of specifying being detected, and described voice module is used for quoting defect content according to failure code.
5. distributed photovoltaic clearing monitoring display terminal according to claim 1, it is characterized in that, described input block is key-press input unit, and described input block comprises: acknowledgement key, shift key and numerical key.
6. distributed photovoltaic clearing monitoring display terminal according to claim 1, it is characterized in that, described display unit comprises: state display charactron and segment encode liquid crystal, and described state display charactron comprises: run indicator, malfunction indicator lamp, power light, communication pilot lamp.
7. distributed photovoltaic clearing monitoring display terminal according to claim 1, it is characterized in that, described control module inside is provided with timer, and described timer is used for timing wake-up distributed photovoltaic clearing monitoring display terminal.
8. distributed photovoltaic clearing monitoring display terminal according to claim 1, it is characterized in that, described communication unit comprises: wireless communication unit, serial communication unit, and described wireless communication unit, serial communication unit communicate with external data centralized unit with described control module respectively.
9. the distributed photovoltaic clearing monitoring display terminal according to claim 1-8 any one, is characterized in that, adopt the encapsulation of integrated die-casting plastic casing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410397461.7A CN105336014A (en) | 2014-08-12 | 2014-08-12 | Distributed photovoltaic settlement monitoring display terminal |
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| CN201410397461.7A CN105336014A (en) | 2014-08-12 | 2014-08-12 | Distributed photovoltaic settlement monitoring display terminal |
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| CN105336014A true CN105336014A (en) | 2016-02-17 |
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| CN201410397461.7A Pending CN105336014A (en) | 2014-08-12 | 2014-08-12 | Distributed photovoltaic settlement monitoring display terminal |
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Cited By (1)
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| CN108089076A (en) * | 2017-11-23 | 2018-05-29 | 国网山东省电力公司滨州市滨城区供电公司 | A kind of distributed photovoltaic power generation information inquiry terminal |
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| CN108089076A (en) * | 2017-11-23 | 2018-05-29 | 国网山东省电力公司滨州市滨城区供电公司 | A kind of distributed photovoltaic power generation information inquiry terminal |
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