CN207881764U - A kind of solar photovoltaic power plant comprehensive monitoring system - Google Patents
A kind of solar photovoltaic power plant comprehensive monitoring system Download PDFInfo
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- CN207881764U CN207881764U CN201820349222.8U CN201820349222U CN207881764U CN 207881764 U CN207881764 U CN 207881764U CN 201820349222 U CN201820349222 U CN 201820349222U CN 207881764 U CN207881764 U CN 207881764U
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Abstract
The utility model discloses a kind of solar photovoltaic power plant comprehensive monitoring systems, including photovoltaic generation unit, photovoltaic generation unit is connect with power generation power monitoring unit, environmental monitoring unit, video monitor unit, power generation power monitoring unit, environmental monitoring unit, video monitor unit output end are connect with the first interchanger, and the first interchanger is connect with environmental monitoring client, database server, video monitoring client terminal.The utility model realizes the power generation of photo-voltaic power generation station, power monitoring, environmental monitoring, and all kinds of monitoring informations carry out Classification Management, avoid data lengthy and jumbled, logic is strong, and operation management is efficient；Monitoring is comprehensive, while realizing temperature, light intensity, wind speed etc. influences the monitoring of generating efficiency factor, also achieves the monitoring such as outdoor complex environment fire prevention, anti-flood, anti-intrusion, safe；Inverter input terminal is designed with DC voltage thresholding control circuit, and avoiding too can cell panel output voltage be too high or too low causes harmful effect to rear class equipment.
Description
Technical field：
The utility model is related to solar-photovoltaic technology field more particularly to a kind of solar photovoltaic power plant comprehensively monitoring systems
System.
Background technology：
Solar photovoltaic power plant is the power station that solar radiation can be converted to electric energy by solar cell array.Too
Positive energy photovoltaic plant can be divided into independent solar photovoltaic power station and grid-connected solar photovoltaic power plant according to the method for operation.
The independently-powered solar photovoltaic power plant that is not connected with public electric wire net is known as off-network photovoltaic plant.It is mainly used in
Areas without electricity far from public electric wire net and some Code in Hazardous Special Locations are such as the agriculture in outlying remote rural area, pastoral area, island, plateau, desert
It herds fisherman illumination is provided, the basic household electricity such as sees TV, listen to the radio programme, is communication relay station, coastal with inland waterway navigation aids, oil transportation
The special places such as gas pipeline cathodic protection, meteorological power station, road team and frontier sentry provide power supply.Autonomous system is by too
The compositions such as positive battery array, system controller, accumulator group, DC/AC inverter.
It is connected with public electric wire net and the solar photovoltaic power plant of shared power supply task is known as grid-connected photovoltaic power station.It
It is that solar energy power generating enters large-scale commercial power generating stage, as the important development direction of power industry component part,
It is the main trend of world today's solar photovoltaic technology development.Grid-connected system is controlled by solar cell array, system
The compositions such as device, gird-connected inverter.
Either which kind of solar photovoltaic power plant is affected by climate change all in outdoor more complicated environment
It is larger.Not only the conventional factors such as illumination, temperature, humidity, wind speed can influence its stable electric generation, but also some unconventional factors are all
As mountain torrents, fire, artificial destruction, ageing equipment damage equally influence its normal work.The solar photovoltaic power plant of the prior art
Monitoring system is only limited to the monitoring of some conventional factors mostly, lacks monitoring for above-mentioned unconventional factor, security risk compared with
Greatly, once problem, which occurs, will generate heavy losses.In addition, existing photovoltaic plant monitoring system has the data deficiency of monitoring
The information management of orderliness, information is lengthy and jumbled, is unfavorable for promoting photovoltaic plant scene operation management efficiency.
Utility model content：
The purpose of this utility model is to provide a kind of solar photovoltaic power plant comprehensive monitoring systems, to solve the prior art
Deficiency.
The utility model is implemented by following technical solution：A kind of solar photovoltaic power plant comprehensive monitoring system, including photovoltaic
Generator unit, the photovoltaic generation unit are connect with power generation power monitoring unit, environmental monitoring unit, video monitor unit, institute
It states power generation power monitoring unit, environmental monitoring unit, video monitor unit output end to connect with the first interchanger, described first hands over
It changes planes and is connect with environmental monitoring client, database server, video monitoring client terminal；The power generation power monitoring unit includes
Bidirectional measuring ammeter, multiple photovoltaic arrays, multiple header boxs, DC detecting switch board, inverter and buck system,
The multiple photovoltaic array output end is connect with multiple header boxs respectively, and the multiple header box output end is examined with direct current
Switch board connection is surveyed, the DC detecting switch board output end is connect with inverter, the inverter output end and bidirectional measuring
Ammeter connects, and the bidirectional measuring ammeter connect with user load, buck system, the bidirectional measuring ammeter also with database
Server connects, and the buck system connects power grid；The environmental monitoring unit includes infrared sensor, temperature and humidity sensing
Device, smoke sensor device, immersion sensor, air velocity transducer, dynamic environment monitor, light radiation sensor, the infrared sensing
Device, Temperature Humidity Sensor, smoke sensor device, immersion sensor, air velocity transducer, light radiation sensor are monitored with dynamic environment
Instrument connects, and the dynamic environment monitor is also connect with the first interchanger；The video monitor unit include multiple cameras and
The optical transmitter and receiver transmitting terminal being connect with multiple cameras, the optical transmitter and receiver transmitting terminal are connect with optical transmitter and receiver receiving terminal, the optical transmitter and receiver
Receiving terminal is connect by second switch with hard disk video recorder.
Preferably, the bidirectional measuring ammeter includes voltage collection circuit, current collection circuit, electric energy computation chip, touches
Screen, microprocessor, data interface module, memory module are touched, the voltage collection circuit, the connection of current collection circuit input terminal are inverse
Become device, the voltage collection circuit, current collection circuit output end connect electric energy computation chip, the electric energy computation chip output
End connection microprocessor, the microprocessor are electrically connected with touch screen, data interface module, storage mould.
Preferably, in the DC detecting switch board setting for control header box output voltage by whether control electricity
Road, the control circuit include that the window comparator detection circuit based on operational amplifier and the relay based on triode are opened
Powered-down road, the window comparator detection circuit output end connect relay switching circuit.
Preferably, the environmental monitoring client, video monitoring client terminal are PC machine.
Preferably, the camera is infrared camera.
Preferably, the data interface module is that serial ports turns ethernet module..
The advantages of the utility model：The utility model, which is based on sensor technology and computer communication technology, realizes photovoltaic hair
The power generation in power station, power monitoring, environmental monitoring, video monitoring, all kinds of monitoring informations carry out Classification Management, avoid data lengthy and jumbled,
Logic is strong, and operation management is efficient；Monitoring is comprehensive, and realizing temperature, light intensity, wind speed etc. influences the monitoring of generating efficiency factor
Meanwhile the monitoring such as outdoor complex environment fire prevention, anti-flood, anti-intrusion are also achieved, it is safe；Inverter input terminal is designed with
DC voltage thresholding control circuit, avoiding too can cell panel output voltage be too high or too low causes harmful effect to rear class equipment.
Description of the drawings：
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the overall structure block diagram of the utility model.
Fig. 2 is the power generation power monitoring cellular construction block diagram of the utility model.
Fig. 3 is the environmental monitoring unit structure diagram of the utility model.
Fig. 4 is the video monitor unit structure diagram of the utility model.
Fig. 5 is the bidirectional measuring ammeter structure diagram of the utility model.
Fig. 6 is the window comparator detection circuit schematic diagram of the utility model.
Fig. 7 is the relay switching circuit schematic diagram of the utility model.
In reference numeral：
1, generate electricity power monitoring unit；2, environmental monitoring unit；3, photovoltaic generation unit；4, video monitor unit；5,
One interchanger；6, environmental monitoring client；7, database server；8, video monitoring client terminal；11, bidirectional measuring ammeter；12、
Photovoltaic array；13, header box；14, DC detecting switch board；15, inverter；16, user load；17, buck system
System；18, power grid；21, infrared sensor；22, Temperature Humidity Sensor；23, smoke sensor device；24, immersion sensor；25, wind speed
Sensor；26, dynamic environment monitor；27, light radiation sensor；41, camera；42, optical transmitter and receiver transmitting terminal；43, optical transmitter and receiver
Receiving terminal；44, second switch；45, hard disk video recorder；111, voltage collection circuit；112, current collection circuit；113, electric energy
Computation chip；114, touch screen；115, microprocessor；116, data interface module；117, memory module.
Specific implementation mode：
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1,2,3, 4, a kind of solar photovoltaic power plant comprehensive monitoring system, including photovoltaic generation unit 3, it is described
Photovoltaic generation unit 3 is connect with power generation power monitoring unit 1, environmental monitoring unit 2, video monitor unit 4, the power generation electricity consumption
Monitoring unit 1, environmental monitoring unit 2,4 output end of video monitor unit are connect with the first interchanger 5, first interchanger 5
It is connect with environmental monitoring client 6, database server 7, video monitoring client terminal 8；The power generation power monitoring unit 1 includes
Bidirectional measuring ammeter 11, multiple photovoltaic arrays 12, multiple header boxs 13, DC detecting switch board 14,15 and of inverter
Buck system 17,12 output end of the multiple photovoltaic array are connect with multiple header boxs 13 respectively, the multiple remittance
Stream 13 output end of case is connect with DC detecting switch board 14, and 14 output end of DC detecting switch board is connect with inverter 15,
15 output end of the inverter is connect with bidirectional measuring ammeter 11, the bidirectional measuring ammeter 11 and user load 16, buck
System 17 connects, and the bidirectional measuring ammeter 11 is also connect with database server 7, and the buck system 17 connects power grid
18；The environmental monitoring unit 2 includes infrared sensor 21, Temperature Humidity Sensor 22, smoke sensor device 23, immersion sensor
24, air velocity transducer 25, dynamic environment monitor 26, light radiation sensor 27, the infrared sensor 21, Temperature Humidity Sensor
22, smoke sensor device 23, immersion sensor 24, air velocity transducer 25, light radiation sensor 27 with dynamic environment monitor 26
Connection, the dynamic environment monitor 26 are also connect with the first interchanger 5；The video monitor unit 4 includes multiple cameras
41 and the optical transmitter and receiver transmitting terminal 42 that is connect with multiple cameras 41, the optical transmitter and receiver transmitting terminal 42 connect with optical transmitter and receiver receiving terminal 43
It connects, the optical transmitter and receiver receiving terminal 43 is connect by second switch 44 with hard disk video recorder 45.
As shown in figure 5, the bidirectional measuring ammeter 11 includes voltage collection circuit 111, current collection circuit 112, electric energy
Computation chip 113, touch screen 114, microprocessor 115, data interface module 116, memory module 117, the voltage acquisition electricity
Road 111,112 input terminal of current collection circuit connect inverter 15, and the voltage collection circuit 111, current collection circuit 112 are defeated
Outlet connects electric energy computation chip 113, and 113 output end of the electric energy computation chip connects microprocessor 115, the microprocessor
115 are electrically connected with touch screen 114, data interface module 116, memory module 117.
As shown in Figure 6,7, in the DC detecting switch board 14 setting for control 13 output voltage of header box by with
No control circuit, the control circuit include window comparator detection circuit based on operational amplifier and are based on triode
Relay switching circuit, the window comparator detection circuit output end connects relay switching circuit.
The environmental monitoring client 6, video monitoring client terminal 8 are PC machine.
The camera 41 is infrared camera.
The data interface module 116 is that serial ports turns ethernet module.
The operation principle of the utility model is：
As shown in Figure 1, system includes power generation power monitoring unit 1, environmental monitoring unit 2, video monitor unit 4.Wherein
Power generation power monitoring unit 1 is for measuring photovoltaic power station power generation, electricity consumption situation, while the voltage that can be exported by monitoring power generation
Whether current value judges its normal operation.Environmental monitoring unit 2 influences photovoltaic efficiency and safety for monitoring field
Natural environment information.Video monitor unit 4 can visually monitor field condition, relatively intuitive more comprehensive.
As shown in Fig. 2, at inverter 15, the luminous energy that photovoltaic array 12 acquires is ultimately converted to alternating current
Can, data information is wirelessly transmitted to database server 7 after on the one hand being measured by bidirectional measuring ammeter 11, it is on the other hand inverse
Becoming the AC energy that device 15 exports send user load 16 to use, and user load 16 passes through buck again using remaining AC energy
System 17 is sent into power grid 18 and realizes that photovoltaic generation sells electricity after boosting, when photovoltaic power generation quantity deficiency, the electricity of power grid 18 passes through buck
System 17 is sent into user load 16 after being depressured, and at this moment user buys electricity.This is sold electricity and buys the process of electricity by bidirectional measuring ammeter
11 meterings are realized.
Since the input voltage of general inverter is that DC500V-DC820V is input to inverse when the luminous flux of sunlight is relatively low
The voltage for becoming device is likely lower than DC500V, and inverter is made to be stopped.The utility model is arranged in DC detecting switch board 14
For control 13 output voltage of header box by whether control circuit, control circuit includes the window ratio based on operational amplifier
Compared with device detection circuit and based on the relay switching circuit of triode, as shown in Figure 6,7.The present embodiment uses two amplifiers
LM339 forms a window comparator, (the UR1 ＜ Uin ＜ when the signal voltage Uin compared is between threshold voltage
UR2), high potential is exported, when the signal voltage Uin compared is not between threshold voltage, exports low potential.Threshold voltage
UR1, UR2 are according to inverter input voltage range and use circuit ratio setting.When the signal voltage Uin compared is located at door
When between voltage limit (UR1 ＜ Uin ＜ UR2), when exporting the base stage of triode in high potential to Fig. 7, triode ON, relay
Conducting is attracted, and DC detecting switch board 14 is connected with inverter 15, and 15 input terminal of inverter has DC voltage that can work normally；
When the signal voltage Uin compared is not between threshold voltage, low potential is exported, triode is not turned on, and relay is not turned on
It disconnects, inverter 15 plays the role of protecting rear class equipment without input voltage.
As shown in figure 3, infrared sensor 21 is for detecting whether power generation place has illegal invasion in environmental monitoring unit 2；
Temperature Humidity Sensor 22 detects photovoltaic apparatus humiture situation, for example the temperature of photovoltaic panel, the temperature of accumulator just influence photovoltaic
Generating efficiency；Smoke sensor device 23 is for detecting whether power generation place occurs fire behavior；Immersion sensor 24 is arranged in photovoltaic apparatus
Certain altitude can detect whether that flood occurs；Air velocity transducer 25, light radiation sensor 27, which are respectively used to detection, to be influenced
The wind speed for the index that generates electricity, light intensity.These information are all sent to environmental monitoring client 6 into row information point by the first interchanger 5
Analysis management.
As shown in figure 4, the live video image information that multiple cameras 41 monitor is passed by optical transmitter and receiver, second switch 44
It is sent in hard disk video recorder 45 and preserves, can be transferred at any time when needing to check scene.
As shown in figure 5,1 most important function of power generation power monitoring unit is accurately to measure various electrical energy parameters, as voltage,
Electric current, active power, reactive power, frequency, power factor, under-voltage and open phase detection, frequency analysis etc..Bidirectional measuring ammeter 11
Electric signal is detected using dedicated computation chip, while being equipped with microprocessor to realize multiple functions.Mainly by detecting, counting
The modules compositions such as amount, control, storage, interaction display, data-interface conversion communication.Wherein, detection part is mutual by accurate electric current
Sensor CT, voltage transformer pt and peripheral processes circuit composition, can be by real time datas such as obtained electric current, voltage, frequency, phases
It is input in computation chip.Computation chip by being measured to each input signal, join by the various electric energy that can obtain metering
Number is input to control section (i.e. in microprocessor), and then determining that those parameters are sent to by it after treatment by microprocessor deposits
It is stored in reservoir, while being sent to display portion and being shown.Display portion uses liquid crystal display, realizes interactive operation and display one
Change.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of solar photovoltaic power plant comprehensive monitoring system, including photovoltaic generation unit (3), which is characterized in that the photovoltaic
Generator unit (3) is connect with power generation power monitoring unit (1), environmental monitoring unit (2), video monitor unit (4), the power generation
Power monitoring unit (1), environmental monitoring unit (2), video monitor unit (4) output end are connect with the first interchanger (5), described
First interchanger (5) is connect with environmental monitoring client (6), database server (7), video monitoring client terminal (8)；The hair
Electric power monitoring unit (1) include bidirectional measuring ammeter (11), multiple photovoltaic arrays (12), multiple header boxs (13),
DC detecting switch board (14), inverter (15) and buck system (17), multiple photovoltaic array (12) outputs
End is connect with multiple header boxs (13) respectively, and multiple header box (13) output ends are connect with DC detecting switch board (14),
DC detecting switch board (14) output end is connect with inverter (15), inverter (15) output end and bidirectional measuring electricity
Table (11) connects, and the bidirectional measuring ammeter (11) connect with user load (16), buck system (17), the bidirectional measuring
Ammeter (11) is also connect with database server (7), buck system (17) the connection power grid (18)；The environmental monitoring list
First (2) include infrared sensor (21), Temperature Humidity Sensor (22), smoke sensor device (23), immersion sensor (24), wind speed biography
Sensor (25), dynamic environment monitor (26), light radiation sensor (27), the infrared sensor (21), Temperature Humidity Sensor
(22), smoke sensor device (23), immersion sensor (24), air velocity transducer (25), light radiation sensor (27) be and dynamic ring
Border monitor (26) connects, and the dynamic environment monitor (26) also connect with the first interchanger (5)；The video monitor unit
(4) include multiple cameras (41) and the optical transmitter and receiver transmitting terminal (42) being connect with multiple cameras (41), the optical transmitter and receiver transmission
End (42) is connect with optical transmitter and receiver receiving terminal (43), and the optical transmitter and receiver receiving terminal (43) passes through second switch (44) and HD recording
Machine (45) connects.
2. a kind of solar photovoltaic power plant comprehensive monitoring system according to claim 1, which is characterized in that the two-way meter
Electrometer (11) includes voltage collection circuit (111), current collection circuit (112), electric energy computation chip (113), touch screen
(114), microprocessor (115), data interface module (116), memory module (117), the voltage collection circuit (111), electricity
Acquisition Circuit (112) input terminal connection inverter (15) is flowed, the voltage collection circuit (111), current collection circuit (112) are defeated
Outlet connects electric energy computation chip (113), and electric energy computation chip (113) the output end connection microprocessor (115) is described micro-
Processor (115) is electrically connected with touch screen (114), data interface module (116), memory module (117).
3. a kind of solar photovoltaic power plant comprehensive monitoring system according to claim 1, which is characterized in that the direct current inspection
Survey setting in switch board (14) for control header box (13) output voltage by whether control circuit, the control circuit packet
Include the window comparator detection circuit based on operational amplifier and the relay switching circuit based on triode, the window ratio
Relay switching circuit is connected compared with device detection circuit output end.
4. a kind of solar photovoltaic power plant comprehensive monitoring system according to claim 1, which is characterized in that the environment prison
Survey client (6), video monitoring client terminal (8) is PC machine.
5. a kind of solar photovoltaic power plant comprehensive monitoring system according to claim 1, which is characterized in that the camera
(41) it is infrared camera.
6. a kind of solar photovoltaic power plant comprehensive monitoring system according to claim 2, which is characterized in that the data connect
Mouth mold block (116) is that serial ports turns ethernet module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820349222.8U CN207881764U (en) | 2018-03-14 | 2018-03-14 | A kind of solar photovoltaic power plant comprehensive monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201820349222.8U CN207881764U (en) | 2018-03-14 | 2018-03-14 | A kind of solar photovoltaic power plant comprehensive monitoring system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109363626A (en) * | 2018-12-18 | 2019-02-22 | 重庆远视科技有限公司 | Refraction system with printing function |
| CN109672220A (en) * | 2019-02-25 | 2019-04-23 | 黑龙江大千环保科技有限公司 | A kind of at village level photovoltaic plant management system and its control method |
| CN109830981A (en) * | 2019-02-25 | 2019-05-31 | 黑龙江大千环保科技有限公司 | A kind of the photovoltaic plant management system and its control method of family grade |
| CN110022129A (en) * | 2019-04-03 | 2019-07-16 | 望江县同心农业专业合作社 | A kind of farmland laying intelligent solar electricity generation system |
| CN113054902A (en) * | 2021-03-25 | 2021-06-29 | 广东海洋大学 | Coastal solar intelligent power generation system based on deep learning |
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2018
- 2018-03-14 CN CN201820349222.8U patent/CN207881764U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109363626A (en) * | 2018-12-18 | 2019-02-22 | 重庆远视科技有限公司 | Refraction system with printing function |
| CN109672220A (en) * | 2019-02-25 | 2019-04-23 | 黑龙江大千环保科技有限公司 | A kind of at village level photovoltaic plant management system and its control method |
| CN109830981A (en) * | 2019-02-25 | 2019-05-31 | 黑龙江大千环保科技有限公司 | A kind of the photovoltaic plant management system and its control method of family grade |
| CN110022129A (en) * | 2019-04-03 | 2019-07-16 | 望江县同心农业专业合作社 | A kind of farmland laying intelligent solar electricity generation system |
| CN113054902A (en) * | 2021-03-25 | 2021-06-29 | 广东海洋大学 | Coastal solar intelligent power generation system based on deep learning |
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