CN209709759U - Power supply monitoring system - Google Patents
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- CN209709759U CN209709759U CN201920828075.7U CN201920828075U CN209709759U CN 209709759 U CN209709759 U CN 209709759U CN 201920828075 U CN201920828075 U CN 201920828075U CN 209709759 U CN209709759 U CN 209709759U
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Abstract
The utility model provides power supply monitoring system, applied in the power-supply system including at least two power modules, the power supply monitoring system includes at least one apparatus for monitoring power supply and at least two controllers, wherein, each apparatus for monitoring power supply is connect at least one power module, and each controller can be communicated to connect at least one apparatus for monitoring power supply；Each controller includes first communication module, and the controller passes through other controllers or communication host communication connection in the first communication module and at least two controllers.It is able to carry out communication between each controller in the power supply monitoring system, alternatively, each controller can be communicated with communication host.Controller dilatation is realized by the communication function between each controller.This system improves the utilization rates of controller, and improve the flexibility of system design, reduce system overall cost.
Description
Technical field
The utility model relates to photovoltaic technology field more particularly to power supply monitoring systems.
Background technique
Photovoltaic power generation and energy storage technology are widely used as a kind of renewable energy power generation technology.In order to improve
The application of the power control granularity of photovoltaic module or energy-storage battery, component level monitoring device constantly expands, such as optimizer, pass
Disconnected device, monitor etc., the input stage of these monitoring devices directly connects with power module (for example, photovoltaic module, energy-storage battery etc.)
It connects, for optimizing, turning off, monitor power module.
In order to realize the monitoring to these units, controller can be also set in system, between above-mentioned monitoring device into
Row communication.Current controller is usually the universal product, in order to be compatible with most of application scenarios, is usually designed to support most
Large route number, but do not have extension function.
Utility model content
In view of this, the present invention provides power supply monitoring system, with solve can not be to control in current monitoring system
The technical issues of device processed is extended.
The utility model provides a kind of power supply monitoring system, is applied in power-supply system, which includes at least
Two power modules, the power supply monitoring system include: at least one apparatus for monitoring power supply and at least two controllers；
Each apparatus for monitoring power supply is connect with power module described at least one；
Each controller and at least one described apparatus for monitoring power supply communicate to connect；
Each controller includes first communication module, and the controller by the first communication module and it is described extremely
Other controllers in few two controllers or the communication host communication connection different from the controller.
Optionally, any one controller at least two controller is controller host, and other controllers are equal
For controller slave, pass through the first communication module communication link between the controller host and each controller slave
It connects.
Optionally, the system also includes the communication hosts；
Each controller passes through the first communication module and the communication host communicates to connect.
Optionally, the first communication module includes that numeral input/output interface, RS485 communication module, power carrier are logical
Believe any one in module, CAN communication module and wireless communication module.
Optionally, each controller and at least one described apparatus for monitoring power supply are logical by power carrier communication mode
Letter connection.
Optionally, the controller includes at least one power input, at least one power output interface and sets
Set the power carrier communication module between the power input and the power output interface, wherein the power is defeated
Incoming interface connects the output power line of the power module, and the power output interface connects subsequent equipment；
Alternatively, the controller includes power carrier communication module；
The output power line of the power module connects subsequent equipment by the power carrier communication module.
Optionally, the controller includes digital input interface and digital output interface；
Control signal is received by the digital input interface, the controller institute is exported by the digital output interface
The status signal of the apparatus for monitoring power supply of connection.
Optionally, the controller includes sampling module, acquires the power connecting with the controller by the sampling module
Electric parameter on line.
Optionally, the controller further includes power control module, by the power control module to the input controller
Power controlled.
Optionally, the power module is any one in photovoltaic module, photovoltaic group string, energy-storage battery and energy-storage battery string
Kind；
The apparatus for monitoring power supply is at least one of power optimization device, switching off device, monitor and battery management system.
Power supply monitoring system provided by the utility model, applied to include at least two power modules power-supply system in,
The power supply monitoring system includes at least one apparatus for monitoring power supply and at least two controllers, wherein each apparatus for monitoring power supply
It is connect at least one power module, each controller can be communicated to connect at least one apparatus for monitoring power supply；Each control
Device includes first communication module, and the controller passes through other controls in the first communication module and at least two controllers
Device is communicated to connect different from the communication host of controller.It is able to carry out between each controller in the power supply monitoring system logical
Letter, alternatively, each controller can be communicated with the communication host.In this way, each controller can be set it is a small amount of
Power input only uses the quantity controller (for example, 1) to match with power system capacity i.e. for low capacity system
Can, avoid the waste that interface or internal sensor are caused using the more controller of power input；For hicap,
Multiple controllers can be used, controller dilatation is realized by the communication function between each controller.This system improves controls
The utilization rate of device processed, and the flexibility of system design is improved, reduce system overall cost.
Detailed description of the invention
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 the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of structural schematic diagram of power supply monitoring system provided by the utility model；
Fig. 2 is a kind of structural schematic diagram of controller provided by the utility model；
Fig. 3 is the structural schematic diagram of another controller provided by the utility model；
Fig. 4 is the structural schematic diagram of another controller provided by the utility model；
Fig. 5 is a kind of structural schematic diagram of the application example of power supply monitoring system provided by the utility model；
Fig. 6 is the structural schematic diagram of the application example of another power supply monitoring system provided by the utility model；
Fig. 7 is the structural schematic diagram of the application example of another power supply monitoring system provided by the utility model.
Specific embodiment
Currently, the communication mode between controller and monitoring device generallys use power line carrier, PLC (Power Line
Communication, PLC) technology, i.e., it had both realized power transmission by power cable or had realized communication signal transmissions.Work as system
In when having multiple power modules, each power module requires to be connected to subsequent equipment by controller.It can be seen that controller
Multichannel plc communication is needed support, and controller is usually the universal product, in order to be compatible with the application scenarios of the overwhelming majority, is often set
Count into the controller for supporting most numbers.For example, needing 12 plc communication routes of maximum support, such as fruit for 60kW system
The smaller such as only 20kW of border system, then only need using 4 plc communication routes therein, remaining plc communication line idle,
This will cause the wasting of resources of controller.In order to solve this technical problem, the utility model provides a kind of Power Supply Monitoring system
System, controller can reduce the wasting of resources with flexible combination to be applied in the power-supply system of different capabilities.
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 making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Figure 1, a kind of structural schematic diagram of power supply monitoring system of the utility model is shown, wherein the system is answered
For in the power-supply system including n power module.
As shown in Figure 1, the power supply monitoring system includes n controller and at least one apparatus for monitoring power supply (in Fig. 1
It is not shown), wherein n >=2 and n are positive integer.
Power module is for producing electricl energy or energy storage electric energy, wherein power module can be photovoltaic module, photovoltaic group string or
At least one of energy-storage battery.
One apparatus for monitoring power supply is connect at least one power module, and apparatus for monitoring power supply is for monitoring or controlling company, institute
The operating parameter of the power module connect.For example, operating parameter includes: electric current, voltage, power etc..
Each controller and at least one apparatus for monitoring power supply communicate to connect, and each controller according to itself for being connected
Power Monitoring Unit acquisition power module operating parameter monitoring or control the operating status of the power module.
Moreover, each controller includes first communication module, each controller by the first communication module with it is other
Controller is communicated to connect different from the communication host of controller.It is communicated to connect between each controller to realize, alternatively, real
It is communicated to connect between existing each controller and the communication host.
In one possible implementation, which can be optimizer, switching off device, monitor and battery
At least one of management system.
Wherein, optimizer is for optimizing control to the output power of power module (such as photovoltaic module), to realize most
High-power output.Switching off device is used to turn off connected power module according to the shutdown instruction received, i.e. control power module
No longer output power.Monitor is used to detect the electric parameter of connected power module, and is transmitted to and the company, monitor institute
The controller connect.Battery management system is used to monitor the electric parameter of the energy-storage battery in power-supply system and is transmitted to controller.
In one possible implementation, pass through PLC (Power line between controller and apparatus for monitoring power supply
Communication, power line carrier, PLC) communication mode communication connection, plc communication refers to using existing power line, passes through load
Analog or digital signal is carried out the technology of high-speed transfer by wave mode.In the application, apparatus for monitoring power supply passes through in current system
The operating parameter of the power module monitored is transmitted to corresponding controller by existing power line.
In a kind of application scenarios of the application, controller includes at least one set of power input/output interface, and each group of function
Power carrier communication module (i.e. plc communication module) is provided between rate input/output interface.Each power input connects
The output power line of a power module is connect, power output interface connects subsequent equipment.As shown in Fig. 2, the controller includes two
Power input/output interface is organized, is provided with a plc communication module between each group of power input/output interface.
In the case where controller includes power input/output interface application scenarios, power input/output interface of controller
Quantity can be according to the Capacity design of common power-supply system, for example, including at least one group of power input/output interface.
In the application another kind application scenarios, as shown in figure 3, controller includes power carrier communication module, power supply mould
The output power line of block connects subsequent equipment by the power carrier communication module of controller.
Power line carrier, PLC mould in the case where controller does not include power input/output interface application scenarios, in controller
The quantity of block determines the capacity of the controller, therefore, can be according to the Capacity design power line carrier, PLC of common power-supply system
The quantity of module.
Wherein, subsequent equipment can be power inverter or load, for example, power inverter can be inverter or unsteady flow
Device etc..
Power carrier communication module can be magnet ring, and certainly, in other implementations, power carrier communication module may be used also
To be other operational blocks which partition systems that can be realized plc communication.
First communication module is provided under a kind of application scenarios of the application, in each controller moreover, n control
A controller is controller host in device, and other controllers are controller slave.Between controller host and controller slave
It is communicated by the first communication module.
Wherein, which includes DIDO (digital IO) interface, RS485 communication module, power carrier
Communicate (PowerLineCommunication, PLC) module, controller local area network (Controller Area Network,
CAN) any one in communication module or wireless communication module (such as mobile network communication module or Wi-Fi module).
Under such application scenarios, each apparatus for monitoring power supply leads to the operating parameter of the power module of acquisition by PLC
Letter mode is transmitted to corresponding controller.Wherein, controller slave sends out the operating parameter received by first communication module
It send to controller host.The operating status of each power module is controlled by controller host.
Under such application scenarios, in a kind of possible implementation of the application, controller host can also be set with outside
It is standby to be communicated, for example, mobile phone, server, host computer etc..
For example, controller host can supervise the operating parameter of each controller slave transmission and the power supply itself received
The operating parameter that module is sent is controlled, i.e., the operating parameter of all power modules is sent on external equipment so as to related work in system
It is checked as personnel.
For another example, controller host can receive the instruction of external equipment transmission, for example, control instruction or inquiry instruction.
For control instruction, which is sent to corresponding controlled device for the control instruction, meanwhile, by the control
System instruction is sent to other controller slaves, then the control instruction received is sent to corresponding quilt by other controller slaves
Control equipment.
For inquiry instruction, controller host can be directly in response to for example, obtain the data to be inquired of the inquiry instruction
(e.g., parameter or state etc.) simultaneously returns to the external equipment.
Under such application scenarios, the communication mode of controller host and external equipment is determined by external equipment type, for example,
External equipment is mobile phone, then module realization can communicate by wireless communication between controller host and mobile phone.If first is logical
Letter module can be realized the communication between controller host and external equipment, then directly utilizes first communication module and external equipment
Communication；It is communicated if can not be realized by first communication module between controller host and external equipment, it can be in controller
Setting is other in host can be realized the communication module communicated between external equipment.
Under such application scenarios, only other type communication modules need to be set on controller host, without in each control
It is arranged on device, therefore reduces system cost.
Under another application scenarios of the application, which further includes the communication host different from controller, in system
All controllers be disposed as slave, each controller passes through first communication module and main-machine communication.Wherein, communication master
Machine can be host computer, for example, PC machine, server or other equipment.Under such application scenarios, all controllers in system are equal
It can be communicated to connect with communication host, therefore, without being communicated between each controller.
The operating parameter of such application scenarios, the power module of each Power Monitoring Unit acquisition passes through plc communication mode
It is transmitted to corresponding controller.The operating parameter received is sent to communication by first communication module respectively by each controller
Host.Then, the operating status of each power module is controlled by communication host.
Optionally, in the other embodiments of the application, as shown in figure 4, controller can also include sampling module,
In, which includes voltage sample module 21 and current sampling module 22.
The electric signal of a power module (or photovoltaic module), voltage acquisition module 21 are monitored different from apparatus for monitoring power supply
Acquire the voltage signal for power supply string (or the photovoltaic group string) output that the controller is connected.Current sampling module 22 acquires the control
The current signal for power supply string (or the photovoltaic group string) output that device is connected.
Wherein, power supply string is that multiple power modules obtain after series connection and/or parallel connection.Similarly, photovoltaic group string is multiple
Photovoltaic module obtains after series connection and/or parallel connection.
Optionally, as shown in figure 4, controller can also include power control module 23, which can be with
The power for inputting the controller is converted, for example, changing the amplitude of the voltage of input power, electric current, to realize to defeated
Enter the control of power.
In addition, power supply line can also be connected between each controller in the present embodiment, to realize one of control
The power module of device is the power supply of other controllers；Alternatively, the power module of each controller is separately connected power supply, meanwhile,
Power supply line is connected between each controller, i.e., each controller is powered by two power supplies, improves the spirit of system power supply
Activity and power supply reliability.
Power supply monitoring system provided by the utility model, applied to include at least two power modules power-supply system in,
The power supply monitoring system includes at least one apparatus for monitoring power supply and at least two controllers, wherein each apparatus for monitoring power supply
It is connect at least one power module, each controller can be communicated to connect at least one apparatus for monitoring power supply；Each control
Device includes first communication module, and the controller passes through other controls in the first communication module and at least two controllers
Device or communication host communication connection.It is able to carry out communication between each controller in the power supply monitoring system, alternatively, each control
Device processed can be communicated with communication host.In this way, a small amount of power input can be set in each controller, for small
Capacity system only uses the quantity controller (for example, 1) to match with power system capacity, avoids using power input
The more controller of interface causes the waste of interface or internal sensor；For hicap, multiple controllers can be used,
Controller dilatation is realized by the communication function between each controller.This system improves the utilization rate of controller, Yi Jiti
The high flexibility of system design, reduces system overall cost.
Fig. 5 is referred to, the structure for showing a kind of power supply monitoring system specific application example provided by the utility model is shown
It is intended to, which applies in photovoltaic system, and the power module in photovoltaic system is photovoltaic group string (or photovoltaic module),
Middle photovoltaic group string is connected in series to obtain by several photovoltaic modulies.
In the present embodiment, there are two power input, the power allowances of each power input for each controller tool
For 5kW, therefore, the power allowances of each controller are 10kW, and the capacity of photovoltaic system is 20kW, and therefore, it is necessary to use two
A controller is realized.
As shown in figure 5, can be communicated by RS485 between the two controllers, naturally it is also possible to pass through other communication parties
Formula is communicated, and the application does not limit this.
Each power input of each controller connects a photovoltaic group string, and the power take-off of each controller is equal
Connect inverter.
Each photovoltaic group series winding connects a monitor component device (apparatus for monitoring power supply i.e. above-mentioned), each monitor component dress
It sets and is communicated to connect between the controller for connecting the photovoltaic group string.
In the present embodiment, a controller in two controllers is controller host, another controller is controller
Slave, and network communication module such as mobile network communication module is additionally provided on controller host, it is used for each photovoltaic group string
Operating parameter be uploaded to network-side, in server.
In the present embodiment, the operating parameter that the monitor component device received acquires is sent to controller by controller slave
Host, then external equipment is sent to by controller host.
For example, network communication module can be arranged on controller host, controller host passes through the network communication module
The operating parameter of each power module is sent to external equipment.
Optionally, it is connected with power supply line between two controllers in the present embodiment, to realize one of controller
Power module is the power supply of another controller；Alternatively, the power module of two controllers is separately connected power supply, meanwhile, two
Power supply line is connected between a controller, i.e., each controller by two power supplies, improve system power supply flexibility and
Power supply reliability.
In a kind of possible implementation of the application, controller be can integrate in inverter, and controller can be direct
Using the input and output terminal of inverter, does not need that power input output interface is arranged for controller, further reduced system
Cost.
In addition, controller can also be integrated in header box in the application scenarios that photovoltaic system includes header box, this
Sample directly utilizes the input and output terminal of header box, does not need to be individually for controller setting power input output interface, same energy
Enough reduce system cost.
Power supply monitoring system provided in this embodiment is applied in photovoltaic system, including multiple monitor component devices and multiple
Controller；Each monitor component device connects a photovoltaic group string (or photovoltaic module).Each controller and a monitor component
Device communication connection, and communicated to connect between multiple controllers.Photovoltaic group string that each monitor component device monitoring is connected (or
Photovoltaic module) operating parameter, be then forwarded to the controller being connect with the monitor component device, if the controller be control
Device slave, then the operating parameter received is sent to controller host by controller slave, is joined by controller host according to operation
Number carries out next step operation.The power input negligible amounts of each controller, avoid more using power input
Controller causes the waste of interface or internal sensor.Photovoltaic system biggish for capacity can be used with multiple control combinations
Realize the dilatation to controller.This system improves the utilization rates of controller, and improve the flexibility of system design, reduce
System overall cost.It can choose the amount controller to match with power system capacity.
Fig. 6 is referred to, the knot of the specific application example of another power supply monitoring system provided by the utility model is shown
Structure schematic diagram, which is applied in different power-supply systems simultaneously, for example, power-supply system includes photovoltaic system and energy storage
System.Power module in photovoltaic system is photovoltaic group string (or photovoltaic module), and the power module in energy-storage system is energy storage electricity
Pond.
As shown in fig. 6, the monitoring system of the present embodiment includes 3 controllers, and there are two power is defeated for each controller tool
Incoming interface.
The power input of 2 controllers therein is all connected with a photovoltaic group string (or photovoltaic module), the two controls
The power output interface of device processed is all connected with inverter.Each photovoltaic group is serially connected with monitor component device, same photovoltaic group series winding
Controller and monitor component the device communication connection connect.
Each power input of another controller is all connected with an energy-storage battery string, and the connection of power output interface becomes
Flow device.Each energy-storage battery is serially connected with battery monitoring device, the controller and battery cell monitoring dress that same energy-storage battery series winding connects
Set communication connection.
By communicating to connect between each controller, in the present embodiment, the communication connection mode between controller is logical for CAN
Letter mode in other embodiments, can also be communicatively coupled certainly by other communication connection modes.
The working principle of power supply monitoring system in the present embodiment is identical as the working principle of aforementioned power source monitoring system, this
Place repeats no more.
Controller provided in this embodiment can also include sampling module, acquire in the power line that input interface is connected
Electric parameter, details are not described herein again.
Power supply monitoring system provided in this embodiment, including multiple controllers and multiple apparatus for monitoring power supply；Multiple controls
Device can be separately positioned in different types of power-supply system, be monitored simultaneously with realizing to different types of power-supply system.
Fig. 7 is referred to, the structural schematic diagram of the application example of the utility model another power supply monitoring system is shown, it should
Monitoring system is mainly used in photovoltaic system, and for controlling the photovoltaic group string (or photovoltaic module) in photovoltaic system.This reality
Applying power module in example is photovoltaic group string or photovoltaic module, and apparatus for monitoring power supply is component cutoff device.
As shown in fig. 7, the monitoring system includes 2 controllers and multiple component cutoff devices, wherein do not embodied in Fig. 7
Component cutoff device.
The power input of each controller connects a photovoltaic group string, and power output interface connects inverter.Each
Photovoltaic group series winding connects a component cutoff device, communication link between the component cutoff device and controller that same photovoltaic group series winding connects
It connects.It also can communicate between each controller and inverter, so that controller controls inverter.
Also it can communicate connection between each controller, for example, RS485 communication mode can be used, certainly may be used
Not limit using other communication modes herein.
Wherein, a controller is configured to controller host, and after which obtains shutdown instruction, which is referred to
Order is sent to inverter and shuts down, and shutdown instruction is sent to the component shutdown dress being connected with the controller host
It sets and is turned off.Meanwhile shutdown instruction is also sent to controller slave by controller host, so that controller slave controls phase
The component cutoff device shutdown answered.
Further include DI interface on controller host in a kind of possible implementation of the application, can be connect by the DI
Mouth receives the shutdown instruction of external trigger.For example, the external control component of DI interface connection (e.g., press by stop button or reset
Button etc.), control instruction is generated after the corresponding operating for receiving external control component.For another example, controller host is connect by the DI
Mouth receives the control instruction that external equipment is sent.
In other implementations of the application, controller host can detecte the exception in system, when detecting exception
After automatically generate shutdown instruction.
Optionally, controller can also include DO interface, the DO interface connection indication device, for example, LED, buzzer etc.,
The state of monitoring system is indicated by instruction device.
It should be noted that the DIDO interface, which can be used as first communication module, realizes communication between each controller.
Power supply monitoring system provided in this embodiment is applied in photovoltaic system, for low capacity system, only uses and be
The quantity controller (for example, 1) that system capacity matches, avoids causing using the more controller of power input
The waste of interface or internal sensor；For hicap, multiple controllers can be used, by between each controller
Communication function realizes controller dilatation.This system improves the utilization rates of controller, and improve the flexibility of system design,
Reduce system overall cost.Moreover, the monitoring system can be used for the monitoring and shutdown of photovoltaic module, monitoring system is enriched
Function, expand application range.
In addition, subsequent equipment is power inverter such as inverter, current transformer etc. in application scenarios as shown in Figure 5-Figure 7,
Then controller can integrate in power inverter.In this way, the input and output terminal of power inverter and electricity can be utilized directly
Source module connection does not need that individual power input output interface is arranged for controller, further reduced system cost.
Each embodiment is described in a progressive manner in the utility model book, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts in each embodiment may refer to each other.For disclosed in embodiment
For device, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method portion
It defends oneself bright.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of power supply monitoring system, which is characterized in that be applied in power-supply system, which includes at least two power supplys
Module, the power supply monitoring system include: at least one apparatus for monitoring power supply and at least two controllers；
Each apparatus for monitoring power supply is connect with power module described at least one；
Each controller and at least one described apparatus for monitoring power supply communicate to connect；
Each controller includes first communication module, and the controller passes through the first communication module and described at least two
Other controllers in a controller or the communication host communication connection different from the controller.
2. system according to claim 1, which is characterized in that any one controller at least two controller
For controller host, other controllers are controller slave, between the controller host and each controller slave
It is communicated to connect by the first communication module.
3. system according to claim 1, which is characterized in that the system also includes the communication hosts；
Each controller passes through the first communication module and the communication host communicates to connect.
4. system according to claim 1-3, which is characterized in that the first communication module includes that number is defeated
Enter/output interface, RS485 communication module, power carrier communication module, CAN communication module and wireless communication module in it is any
It is a kind of.
5. system according to claim 1, which is characterized in that each controller and at least one described Power Supply Monitoring
Device is communicated to connect by power carrier communication mode.
6. system according to claim 5, which is characterized in that the controller include at least one power input,
At least one power output interface and the electric power being arranged between the power input and the power output interface carry
Wave communication module, wherein the power input connects the output power line of the power module, the power output interface
Connect subsequent equipment；
Alternatively, the controller includes power carrier communication module；
The output power line of the power module connects subsequent equipment by the power carrier communication module.
7. system according to claim 1, which is characterized in that the controller includes digital input interface and numeral output
Interface；
Control signal is received by the digital input interface, the controller is exported by the digital output interface and is connected
Apparatus for monitoring power supply status signal.
8. system according to claim 1, which is characterized in that the controller includes sampling module, passes through the sampling mould
The electric parameter in power line that block acquisition is connect with the controller.
9. system according to claim 1, which is characterized in that the controller further includes power control module, by this
Power control module controls the power for inputting the controller.
10. system according to claim 1, which is characterized in that the power module is photovoltaic module, photovoltaic group string, storage
It can any one in battery and energy-storage battery string；
The apparatus for monitoring power supply is at least one of power optimization device, switching off device, monitor and battery management system.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110972378A (en) * | 2019-12-27 | 2020-04-07 | 江苏尚今光电科技有限公司 | Bear wisdom lamp pole power perception and monitored control system in 5G basic station |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110972378A (en) * | 2019-12-27 | 2020-04-07 | 江苏尚今光电科技有限公司 | Bear wisdom lamp pole power perception and monitored control system in 5G basic station |
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