CN206472076U - Photovoltaic plant monitor and photovoltaic system - Google Patents
Photovoltaic plant monitor and photovoltaic system Download PDFInfo
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- CN206472076U CN206472076U CN201621100422.7U CN201621100422U CN206472076U CN 206472076 U CN206472076 U CN 206472076U CN 201621100422 U CN201621100422 U CN 201621100422U CN 206472076 U CN206472076 U CN 206472076U
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- 238000005070 sampling Methods 0.000 claims description 85
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- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000012806 monitoring device Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
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- 238000005516 engineering process Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
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- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- 238000013083 solar photovoltaic technology Methods 0.000 description 1
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model provides a kind of photovoltaic plant monitor, for monitoring photovoltaic system, the photovoltaic system includes assembly set, the assembly set includes at least two photovoltaic modulies being serially connected, the monitor has the incoming end for connecting the photovoltaic module and the exit for outwards transmitting photovoltaic module electric current, and the quantity of the incoming end is more than the quantity of exit.Photovoltaic plant of the present utility model is more than exit with monitor using incoming end quantity, the assembly set being made up of at least two photovoltaic modulies can be monitored simultaneously, one monitor is used for multiple photovoltaic modulies, the quantity of monitor is reduced, effectively controls cost.
Description
Technical field
The utility model is related to photovoltaic system monitoring technology field, more particularly to a kind of photovoltaic plant monitor and photovoltaic
System.
Background technology
With the fast development of solar-photovoltaic technology, roof photovoltaic power station market is in explosive growth.Existing photovoltaic
Power station often there are problems that some photovoltaic modulies be blocked or, cause occur each photovoltaic module output in photovoltaic plant
The inconsistent phenomenon of electric energy.
In the prior art, in order to photovoltaic module output situation be monitored, typically can to photovoltaic plant configuration monitoring device,
Monitor the working condition of photovoltaic module in real time using monitor (especially external hanging type single input monitor) and exception occur
When, rapidly switch off photovoltaic plant so that rooftop photovoltaic systems are not only safe but also are easy to safeguard.Wherein, the prison commonly used in the market
The quantity for controlling the incoming end of device is one, and a monitor can only connect two positive and negative electrode lead-out wires of a photovoltaic module, one
It is secondary to monitor a photovoltaic module, make its cost performance very low, when photovoltaic module quantity is more in photovoltaic plant, then need big
Such monitor of amount, causes user's input larger.
Utility model content
The technical problem that the utility model is solved is to provide a kind of photovoltaic plant monitor and photovoltaic system, and it can
Solve the problem of monitor cost performance of the prior art is low.
In order to solve the above technical problems, the utility model provides a kind of photovoltaic plant monitor, for monitoring photovoltaic
System, the photovoltaic system includes assembly set, and the assembly set includes at least two photovoltaic modulies being serially connected, described
Monitor has the incoming end for connecting the photovoltaic module and the exit for outwards transmitting photovoltaic module electric current, the incoming end
Quantity is more than the quantity of exit.
Further, the quantity of the incoming end is more than or equal to 2, and each incoming end includes positive terminal and negative pole end, and
Correspond two lead-out wires of each photovoltaic module in the access assembly set.
Further, per two adjacent incoming end series connection.
Further, it is connected between the exit and incoming end and the incoming end quantity identical voltage sample
Unit, the voltage sampling unit is used for the output voltage for gathering each photovoltaic module in the assembly set.
Further, each voltage sampling unit is individually connected in parallel on the single photovoltaic module two in assembly set
End.
Further, one end of the assembly set is accessed in one end of each voltage sampling unit jointly, each voltage
The other end of sampling unit is respectively connected to the positive terminal of each photovoltaic module.
Further, in addition to：
In switch element, the supply line for being series at the assembly set；
Control unit, is electrically connected with the switch element and voltage sampling unit, and the voltage sampling unit is adopted
The output voltage of sample to each photovoltaic module turns on and disconnected one of foundation of the switch element as control.
Further, in addition to：Current sampling unit in the supply line of the assembly set, the electric current
Sampling unit is electrically connected with described control unit, and the electric current that described control unit gathers the current sampling unit is used as control
Guidance on and off opens one of foundation of the switch element.
Further, in addition to：The temperature sensing unit of described control unit is connected, it is used to gather the photovoltaic group
The temperature collected is turned on and disconnected one of foundation of the switch element by the temperature of part, described control unit as control.
Further, in addition to：The wireless transmission unit of the controller is connected, the wireless transmission unit is used for will
The data that the voltage sampling unit, current sampling unit and temperature sensing unit are collected are sent to data acquisition dress
Put.
Further, the wireless transmission unit includes Zigbee units, coordinates the external day of the Zigbee units
The transmission power amplifying unit of line, the connection Zigbee units and external antenna, described control unit is mono- by the Zigbee
The instruction that member is received is used as one of the foundation for turning on and disconnecting the switch element.
Further, in addition to：Driver element between described control unit and switch element.
Further, in addition to：The power subsystem being arranged in parallel with the assembly set, the power subsystem connects respectively
Described control unit and driver element are connect, the output voltage of the assembly set is adjusted to be available for described control unit and drive
The operating voltage of moving cell.
Further, it is 3.3 volts, the power supply list that the power subsystem, which is exported to the operating voltage of described control unit,
Member output to the operating voltage of the driver element is 12 volts.
Further, the power subsystem uses flyback topologies structure.
Further, in addition to output bypass diode, it is in parallel with the assembly set.
The utility model additionally provides a kind of photovoltaic system, including assembly set, and the assembly set includes at least two
The photovoltaic module being serially connected, it uses photovoltaic plant monitor described at least one and supervised with the photovoltaic plant
Control the data acquisition device that device coordinates.
Compared with prior art, photovoltaic plant of the present utility model is more than exit with monitor using incoming end quantity,
The assembly set being made up of at least two photovoltaic modulies can be monitored simultaneously so that a monitor can be directed to multiple photovoltaic groups
Part is used, and is reduced the quantity of monitor, is effectively controlled cost.
Brief description of the drawings
Fig. 1 is that the utility model embodiment one provides a kind of circuit diagram of photovoltaic plant monitor；
Fig. 2 is that the utility model embodiment one provides a kind of another circuit diagram of photovoltaic plant monitor；
Fig. 3 is the circuit diagram for the photovoltaic plant monitor that the utility model embodiment two is provided；
Fig. 4 is another circuit diagram for the photovoltaic plant monitor that the utility model embodiment two is provided；
Fig. 5 is the schematic diagram for the photovoltaic system that the utility model embodiment three is provided.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein
Same or similar label represents same or similar element or the element with same or like function from beginning to end.Lead to below
It is exemplary to cross the embodiment being described with reference to the drawings, it is intended to for explaining the utility model, and it is not intended that to this practicality
New limitation.
As shown in figure 1, the utility model embodiment one provides a kind of photovoltaic plant monitor 100, it is applied to light
The working condition of volt system and the assembly set that can be used in monitoring photovoltaic system, assembly set can include at least two photovoltaics
Component, in embodiment one, can include 2 photovoltaic modulies, e.g. the first photovoltaic module 201 and the second light in assembly set
Component 202 is lied prostrate, above-mentioned first photovoltaic module 201 is realized via the inside of monitor 100 with the second photovoltaic module 202 and connected.
Photovoltaic plant with monitor 100 (dual input monitor) include monitor have connection the first photovoltaic module 201 and
The incoming end of second photovoltaic module 202 and the outwards exit of transmission photovoltaic module electric current, the quantity of incoming end is 2, is drawn
The quantity at end is 1.Each incoming end includes positive terminal and negative pole end, and corresponds respectively to the first photovoltaic module 201, the second light
Lie prostrate two lead-out wires of component 202.Connected per two adjacent incoming ends.
The monitor 100 also includes switch element 6, voltage sampling unit, current sampling unit 7 and control unit 1.
Wherein, switch element 6 is series in the supply line of assembly set；Voltage sampling unit is arranged in parallel with assembly set, is used for
The output voltage of each photovoltaic module in acquisition component set (method of sampling ginseng is aftermentioned)；Control unit 1, is electrically connected with switch element
And voltage sampling unit, output voltage, the electricity of each photovoltaic module that described control unit 1 is sampled voltage sampling unit
The output current of each photovoltaic module that stream collecting unit is collected as control the switching means conductive and the foundation disconnected it
One.The photovoltaic plant can also monitor the assembly set being made up of two photovoltaic modulies simultaneously with monitor 100 so that one
Photovoltaic plant can be used with monitor 100 for 2 photovoltaic modulies, reduced the quantity of monitor, effectively controlled cost.
The switch element 6 can also be connected on the supply line of the first photovoltaic module 201 and the second photovoltaic module 202
On, it is used for the supply line for opening, turning off the first photovoltaic module 201 and the second photovoltaic module 202.Switch element 6 can be adopted
With MOSFET, it is controlled by control unit 1.Wherein, control unit 1 is according to sampling the first photovoltaic module 201 and the second photovoltaic
The output voltage of component 202, or the electric current that following current sampling units 7 are collected, and the sample temperature inside control unit
The background commands received with wireless Zigbee transmission units turn on and disconnect switch element 6.
The voltage sampling unit can include：It is connected to the first voltage sampling unit at the two ends of the first photovoltaic module 201
3rd, it is connected to the second voltage sampling unit 4 at the first photovoltaic module 201 and the two ends of the second photovoltaic module 202.Voltage sampling unit
Using electric resistance partial pressure method or difference sample mode.
As shown in figure 1, the voltage of two photovoltaic modulies is adopted and obtained with the following method：
First 201 voltages of the photovoltaic module=sampled voltage of first voltage sampling unit 3.
Second 202 voltages of photovoltaic module=4 sampled voltages of second voltage sampling unit-first voltage sampling unit 3 is sampled
Voltage.
Or can also as shown in Fig. 2 now,
First 201 voltages of the photovoltaic module=sampled voltage of first voltage sampling unit 3.
Second 202 voltages of the photovoltaic module=sampled voltage of second voltage sampling unit 4.
The current sampling unit 7 is connected with the first photovoltaic module 201, for gather flow through the first photovoltaic module 201 and
The electric current of second photovoltaic module 202.Described control unit 1 obtains the data of current sampling unit 7.Described control unit 1 will be adopted
Sample to the first photovoltaic module 201 and the electric current of the second photovoltaic module 202 turned on as control and disconnect the switch element 6
One of according to.Wherein, the electric current of described two photovoltaic modulies is adopted obtains with the following method：
202 electric currents of photovoltaic module of the electric current of the first photovoltaic module 201=second=collection electric current of current sampling unit 7.
Described control unit 1 includes micro-control unit (Micro Controller Unit, MCU), operational amplifier, A/D
Sampling unit, temperature sensing unit, wireless transmission unit.
The micro-control unit MCU is control and the control centre of whole monitor.
The current sampling unit 7 amplifies signal through the operational amplifier in control unit 1, then again by result
The A/D sampling units sent into control unit 1.First voltage sampling unit 3, second voltage sampling unit 4 are through in control unit 1
The processing of A/D sampling units after just obtained voltage needed for sampling, and the result obtained respectively after MCU cell processings is exactly to adopt
Sample electric current and sampled voltage.
The temperature sensing unit (not shown) is used for the temperature of acquisition component set, and it connects control unit 1.Its
In, control unit 1 obtains the data of temperature sensing unit.Control unit 1 turns on and disconnected switch according to the temperature sampled
Unit 6.
The wireless transmission unit (not shown) includes Zigbee units and external antenna 9, for by voltage sample
The data that unit, current sampling unit and temperature sensing unit are collected are sent to data acquisition device (Gateway).Nothing
Line transmission unit is communicated to connect with the MCU in control unit 1.
The photovoltaic plant also includes driver element 5, power subsystem 2, output bypass diode 8 with monitor 100.
The driver element 5 is located between control unit 1 and switch element 6.Described control unit 1 is single by the driving
Member 5 controls the conducting and disconnection of the switch element 6.Power subsystem 2 connects control unit 1 and driver element 5 respectively, will
The output voltage of assembly set is adjusted to be available for the operating voltage of control unit 1 and driver element 5.The power subsystem 2 is in parallel
At the two ends of the first photovoltaic module 201 and the second photovoltaic module 202, and the power subsystem 2 uses flyback topologies structure, and its is defeated
Go out voltage all the way for 3.3V and for being powered to control unit 1, another road for 12V driving power supply unit and for driving
Unit 5 is powered.
The output bypass diode 8 is connected in parallel on the two ends of the first photovoltaic module 201 and the second photovoltaic module 202, is used for
After photovoltaic plant monitor fails, flowed through for the electric current of the photovoltaic system, from without influenceing system normal power generation.
As shown in Figure 3,4, a kind of photovoltaic plant monitor 300 of the utility model embodiment two is used to monitor photovoltaic system
Assembly set in system, assembly set includes at least four photovoltaic modulies, in embodiment two, and four can be included in assembly set
Individual photovoltaic module, not only including the first photovoltaic module 201 in embodiment one, the second photovoltaic module 202, in addition to the 3rd photovoltaic
Component 203, the 4th photovoltaic module 204.
Compared to above-described embodiment one, the utility model embodiment two provides another photovoltaic plant monitor 300
(four input monitoring devices), including：With connecting the first photovoltaic module 201, the second photovoltaic module 202, the 3rd photovoltaic module respectively
203rd, the incoming end of the 4th photovoltaic module 204 and the outwards exit of transmission photovoltaic module electric current, the quantity of incoming end is 4,
The quantity of exit is 1.Each incoming end includes positive terminal and negative pole end, and corresponds respectively to the first photovoltaic module 201, the
Two photovoltaic modulies 202, the 3rd photovoltaic module 203, two lead-out wires of the 4th photovoltaic module 204.Per two adjacent incoming ends
Series connection.
Photovoltaic plant monitor 300 also includes described in the present embodiment：Switch element 6, voltage sampling unit, current sample
Unit 7 and control unit 1.Wherein, switch element 6 is series in the supply line of assembly set；Voltage sampling unit and group
Part set is arranged in parallel, the output voltage for each photovoltaic module in acquisition component set；Control unit 1, is electrically connected with switch
Unit and voltage sampling unit, the output electricity for each photovoltaic module that described control unit 1 is sampled voltage sampling unit
The output current of each photovoltaic module that pressure, current acquisition unit 7 are collected is as controlling the switching means conductive and disconnection
One of according to.The photovoltaic plant can monitor the assembly set being made up of four photovoltaic modulies simultaneously with monitor 300 so that
One photovoltaic plant can be used with monitor 300 for 4 photovoltaic modulies, reduced the quantity of monitor, effectively controlled
Cost.
The voltage sampling unit can include：It is connected to the first voltage sampling unit at the two ends of the first photovoltaic module 201
3rd, the second voltage sampling unit at the first photovoltaic module 201 and the two ends of the second photovoltaic module 202 is connected to, the first photovoltaic is connected to
Component 201 and the tertiary voltage sampling unit 10 at the two ends of the 3rd photovoltaic module 203, it is connected to the first photovoltaic module 201 and the 4th
4th voltage sampling unit 11 at the two ends of photovoltaic module 204.The voltage of each photovoltaic module is obtained by the following method：
First 201 voltages of the photovoltaic module=sampled voltage of first voltage sampling unit 3；
Second 202 voltages of photovoltaic module=4 sampled voltages of second voltage sampling unit-first voltage sampling unit 3 is sampled
Voltage；
3rd 203 voltages of photovoltaic module=10 sampled voltages of tertiary voltage sampling unit-second voltage sampling unit 4 is sampled
Voltage；
11 sampled voltages of voltage sampling unit of the voltage of 4th photovoltaic module 204=the 4th-tertiary voltage sampling unit 10 is adopted
Sample voltage.
Likewise, can also be in parallel by first voltage sampling unit 3 respectively with reference to the difference sample mode in embodiment one
Its voltage is gathered at the two ends of the first photovoltaic module 201, second voltage sampling unit 4 is connected in parallel on the two ends of the second photovoltaic module 202 and adopted
Collect its voltage, tertiary voltage sampling unit 10 is connected in parallel on the two ends of the 3rd photovoltaic module 203 and gathers its voltage, the 4th voltage sample list
Member 11 is connected in parallel on the two ends of the 4th photovoltaic module 204 and gathers its voltage.
The current sampling unit 7 is connected with the first photovoltaic module 201, the photovoltaic module that current sampling unit 7 is gathered
Electric current is to flow through the first photovoltaic module 201, the second photovoltaic module 202, the 3rd photovoltaic module 203, the 4th photovoltaic module 204
Electric current.Wherein, control unit 1 obtains the data of current sampling unit 7.The first photovoltaic module 201 for sampling, the second photovoltaic group
Part 202, the 3rd photovoltaic module 203, the electric current of the 4th photovoltaic module 204, will control the switch single as described control unit 1
One of foundation of member conducting and disconnection.The electric current of each photovoltaic module is obtained by the following method：
The light of the electric current of the first photovoltaic module 201=electric current of the second photovoltaic module 202=electric current of the 3rd photovoltaic module 203=the 4th
Lie prostrate 204 electric currents of component=collection electric current of sampling unit 7.
Described control unit 1 includes micro-control unit (Micro Controller Unit, MCU), operational amplifier, A/D
Sampling unit, temperature sensing unit, wireless transmission unit.
The micro-control unit MCU is control and the control centre of whole monitor.
The current sampling unit 7 amplifies signal through the operational amplifier in control unit 1, then again by result
The A/D sampling units sent into control unit 1.First voltage sampling unit 3, second voltage sampling unit 4, tertiary voltage sampling
Unit 10, the 4th voltage sampling unit 11 have just obtained electricity needed for sampling after the A/D sampling units processing in control unit 1
Pressure.The result obtained respectively after MCU cell processings is exactly sample rate current and sampled voltage.
The temperature sensing unit (not shown) is used for the temperature of acquisition component set, and it connects control unit 1.Its
In, control unit 1 obtains the data of temperature sensing unit.The temperature that the temperature sensing unit is sampled, will be as described
Control unit 1 controls the switch element 6 to turn on and one of the foundation that disconnects.
The wireless transmission unit (not shown) includes Zigbee units and external antenna 9, for by voltage sample
The data that unit, current sampling unit and temperature sensing unit are collected are sent to data acquisition device (Gateway).Institute
Wireless transmission unit is stated to communicate to connect with the MCU in control unit 1.
The photovoltaic plant also includes driver element 5, power subsystem 2, output bypass diode 8, radio frequency with monitor 300
Power amplifier (PA) 12.
The driver element 5 is located between control unit 1 and switch element 6.
The power subsystem 2 connects control unit 1 and driver element 5 respectively, and the output voltage of assembly set is adjusted
To be available for the operating voltage of control unit 1 and driver element 5.Power subsystem 2 is connected in parallel on the first photovoltaic module 201, the second photovoltaic
The two ends of component 202, the 3rd photovoltaic module 203 and the 4th photovoltaic module 204.Power subsystem 2 uses flyback topologies structure, and its is defeated
Go out voltage all the way for 3.3V and for being powered to control unit 1, another road for 12V driving power supply unit and for driving
Unit 5 is powered.
The output bypass diode 8 (exporting bypass diode D) is connected in parallel on the first photovoltaic module 201 and the 4th photovoltaic
The two ends of component 204, for after photovoltaic plant is failed with monitor 300, being flowed through for the electric current of the photovoltaic system, from without
Influence system normal power generation.
The radio-frequency power amplifier (PA) 12 is located between external antenna 9 and control unit 1, and it is wireless that it act as amplification
Transmission power, thus can be by external antenna by wireless signal transmission to farther bigger scope.
As shown in figure 5, the utility model embodiment three additionally provides a kind of photovoltaic system, including：
Assembly set, it includes 12 photovoltaic modulies, is divided into three groups of assembly sets 21,22,23, and every group of assembly set is all wrapped
Containing four components.
Using four input monitoring devices 301,302,303 in three embodiments two, be electrically connected three groups of assembly sets 21,
22、23。
Communicated between data acquisition device 41 and server 44 by wireless Wi-Fi or Ethernet with server 44,
The input photovoltaic plant of data acquisition device 41 and four is connected with sampling wireless Zigbee communication between monitor 301,302,303.
Wherein, each photovoltaic module data sampled are passed through wireless by four input photovoltaic plant monitors 301,302,303
Zigbee is transferred to data acquisition device 41, and data acquisition device 41 is again sent data with wireless Wi-Fi or ether net mode
To server 44.
Also include router 42, and the confession with assembly set 21,22,23 between internet 43 and data acquisition device 41
The electric power system 45 of electric line connection, the electric power system 45 includes inverter and power network, and HVDC is converted to friendship by inverter
Alternating current, is finally connected to the grid by stream electricity.
The input monitoring device of above-mentioned dual input/tetra- is referred to relative to the advantage of external hanging type single input monitor of the prior art
Table 1 below：
Table 1
Photovoltaic plant of the present utility model is more than exit with monitor using incoming end quantity, can monitor simultaneously by extremely
The assembly set of few two photovoltaic modulies composition a so that monitor can be used for multiple photovoltaic modulies, reduce prison
The quantity of device is controlled, cost is effectively controlled.Monitored in real time using component level, facilitate system maintenance, be easy to find failure group early
Part, reduces generated energy loss.And it is possible to meet NEC2014 (690.12) requirements, with function is rapidly switched off, it is easy to fire extinguishing
Safeguarded with installing.
It is described above, only it is most preferred embodiment of the present utility model, not makees any formal to the utility model
Limitation, any those skilled in the art, in the case where not departing from technical solutions of the utility model ambit, using above-mentioned
The method content of announcement makes many possible variations and modification to technical solutions of the utility model, belongs to claim protection
Scope.
Claims (17)
1. a kind of photovoltaic plant monitor, for monitoring photovoltaic system, the photovoltaic system includes assembly set, the component
Set includes at least two photovoltaic modulies being serially connected, the monitor have the connection photovoltaic module incoming end and to
Outer transmission light lies prostrate the exit of component electric current, it is characterised in that：The quantity of the incoming end is more than the quantity of exit.
2. photovoltaic plant monitor as claimed in claim 1, it is characterised in that：The quantity of the incoming end is more than or equal to 2,
Each incoming end includes positive terminal and negative pole end, and corresponds two of each photovoltaic module in the access assembly set
Lead-out wire.
3. photovoltaic plant monitor as claimed in claim 1, it is characterised in that：Per two adjacent incoming end strings
Connection.
4. photovoltaic plant monitor as claimed in claim 1, it is characterised in that：Connected between the exit and incoming end
Have is used to gather each in the assembly set with the incoming end quantity identical voltage sampling unit, the voltage sampling unit
The output voltage of photovoltaic module.
5. photovoltaic plant monitor as claimed in claim 4, it is characterised in that：Each voltage sampling unit is independent simultaneously
It is associated in the single photovoltaic module two ends in assembly set.
6. photovoltaic plant monitor as claimed in claim 4, it is characterised in that：One end of each voltage sampling unit is common
One end of the assembly set is accessed, the other end of each voltage sampling unit is respectively connected to the positive terminal of each photovoltaic module.
7. photovoltaic plant monitor as claimed in claim 4, it is characterised in that also include：
In switch element, the supply line for being series at the assembly set；
Control unit, is electrically connected with the switch element and voltage sampling unit, for according to the voltage sampling unit institute
The output voltage of each photovoltaic module is sampled to turn on and disconnect the switch element.
8. photovoltaic plant monitor as claimed in claim 7, it is characterised in that also include：Positioned at the assembly set
Current sampling unit in supply line, the current sampling unit is electrically connected with described control unit, described control unit
Turned on according to the electric current of collection and disconnect the switch element.
9. photovoltaic plant monitor as claimed in claim 8, it is characterised in that also include：Connect described control unit
Temperature sensing unit, it is used for the temperature for gathering described control unit, described control unit turned on according to the temperature of collection and
Disconnect the switch element.
10. photovoltaic plant monitor as claimed in claim 9, it is characterised in that also include：Connect the nothing of the controller
Line transport module, the wireless transport module is used for the voltage sampling unit, current sampling unit and TEMP list
The data that member is collected are sent to data acquisition device.
11. photovoltaic plant monitor as claimed in claim 10, it is characterised in that：The wireless transport module includes
Zigbee units, the external antenna for coordinating the Zigbee units, the transmitting work(for connecting the Zigbee units and external antenna
Rate amplifying unit, the instruction that described control unit is received according to the Zigbee units is single to turn on and disconnect the switch
Member.
12. photovoltaic plant monitor as claimed in claim 7, it is characterised in that also include：Located at described control unit with
Driver element between switch element, described control unit controlled by the driver element switch element conducting and
Disconnect.
13. photovoltaic plant monitor as claimed in claim 12, it is characterised in that also include：Merge with the component set
Join the power subsystem set, the power subsystem connects described control unit and driver element respectively, by the assembly set
Output voltage be adjusted to be available for described control unit and the operating voltage of driver element.
14. photovoltaic plant monitor as claimed in claim 13, it is characterised in that：The power subsystem is exported to the control
The operating voltage of unit processed is 3.3 volts, and it is 12 volts that the power subsystem, which is exported to the operating voltage of the driver element,.
15. photovoltaic plant monitor as claimed in claim 13, it is characterised in that：The power subsystem uses flyback topologies
Structure.
16. photovoltaic plant monitor as claimed in claim 1, it is characterised in that：Also include output bypass diode, its with
The assembly set is in parallel.
17. a kind of photovoltaic system, including assembly set, the assembly set include at least two photovoltaic modulies being serially connected,
Characterized in that, its use at least one photovoltaic plant monitor as any one of claim 1 to 16 and with
The data acquisition device that the photovoltaic plant monitor coordinates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621100422.7U CN206472076U (en) | 2016-09-30 | 2016-09-30 | Photovoltaic plant monitor and photovoltaic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621100422.7U CN206472076U (en) | 2016-09-30 | 2016-09-30 | Photovoltaic plant monitor and photovoltaic system |
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| Publication Number | Publication Date |
|---|---|
| CN206472076U true CN206472076U (en) | 2017-09-05 |
Family
ID=59709864
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621100422.7U Active CN206472076U (en) | 2016-09-30 | 2016-09-30 | Photovoltaic plant monitor and photovoltaic system |
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| Country | Link |
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| CN (1) | CN206472076U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107888125A (en) * | 2016-09-30 | 2018-04-06 | 阿特斯阳光电力集团有限公司 | Photovoltaic plant monitor and photovoltaic system |
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2016
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107888125A (en) * | 2016-09-30 | 2018-04-06 | 阿特斯阳光电力集团有限公司 | Photovoltaic plant monitor and photovoltaic system |
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Address after: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee after: Atlas sunshine Power Group Co.,Ltd. Patentee after: Changshu Artes Sunshine Power Technology Co.,Ltd. Address before: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee before: CSI SOLAR POWER GROUP Co.,Ltd. Patentee before: Changshu Artes Sunshine Power Technology Co.,Ltd. |