CN205940614U - Data monitoring device, data acquisition device, system and converter power module - Google Patents
Data monitoring device, data acquisition device, system and converter power module Download PDFInfo
- Publication number
- CN205940614U CN205940614U CN201620490125.1U CN201620490125U CN205940614U CN 205940614 U CN205940614 U CN 205940614U CN 201620490125 U CN201620490125 U CN 201620490125U CN 205940614 U CN205940614 U CN 205940614U
- Authority
- CN
- China
- Prior art keywords
- data
- module
- fault
- floor
- monitoring device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012806 monitoring device Methods 0.000 title claims abstract description 44
- 238000004891 communication Methods 0.000 claims abstract description 48
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 239000004065 semiconductor Substances 0.000 claims description 17
- 238000002372 labelling Methods 0.000 claims description 15
- 230000007257 malfunction Effects 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000007405 data analysis Methods 0.000 description 3
- 238000013523 data management Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000006399 behavior Effects 0.000 description 2
- 238000013480 data collection Methods 0.000 description 2
- 208000028659 discharge Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Abstract
The utility model provides a data monitoring device, data acquisition device, system and converter power module, the data monitoring device includes the treater, and respectively with data acquisition module and wireless communication module that the treater is connected, data acquisition module gathers the working condition data of converter power module, the treater is received working condition data, according to working condition data confirms fault data, and will working condition data and/or the fault data conveying extremely wireless communication module, wireless communication module receives working condition data and/or fault data sends according to wireless transmission agreement and contains working condition data and/or fault data's packet. The utility model discloses a data monitoring device, data acquisition device, system and converter power module has realized the working condition data and/or the fault data that obtain converter power module fast, safely, and simple structure, convenient operation.
Description
Technical field
This utility model is related to converter topology field, more particularly, to a kind of data monitoring device, data acquisition unit, is
System and current transformator power module.
Background technology
Current transformer is the electric equipment making voltage, frequency, the number of phases and other electricity characteristics of power-supply system change, and becomes
The nucleus equipment that stream device generates electricity by way of merging two or more grid systems as photovoltaic generation, wind power generating set realization, user wants to its fortune of Centralized Monitoring
Row operating mode.
Power model is the critical component of current transformer (such as photovoltaic generation current transformer, wind driven generator set converter), its
Service data and fault data are the data basis of the work such as module status monitoring, module failure analysis investigation.Thus, these numbers
According to collection be particularly important.
Generally, in photovoltaic generation field or wind energy turbine set, current transformer is in dispersed and distributed, and attendant needs to run at each
Between current transformer, carry out data acquisition one by one by being connected current transformer with computer wiring, operation is inconvenient.
Utility model content
The purpose of this utility model embodiment is, provides a kind of data monitoring device, data acquisition unit, system and change
Stream device power model, to realize quickly and safely obtaining floor data and/or the fault data of current transformator power module, and ties
Structure is simple and convenient to operate.
For realizing above-mentioned utility model purpose, embodiment of the present utility model provides a kind of data monitoring device, is used for
Current transformator power module, including：Processor, and the data acquisition module that is connected with described processor respectively and wireless telecommunications mould
Block；The floor data of described data collecting module collected current transformator power module；Described processor receives described floor data, root
Determine fault data according to described floor data, and described floor data and/or described fault data are sent to described channel radio
News module；Described wireless communication module receives described floor data and/or described fault data, sends according to wireless transmission protocol
Comprise described floor data and/or the packet of described fault data.
Preferably, described wireless communication module is described floor data and/or described fault data adds current transformer power
Module marks, obtain described packet.
Preferably, described processor will identify malfunction, base according to described floor data with default floor data scope
Determine fault data in malfunction.
Preferably, described data monitoring device also includes the driving protection module being connected with described processor and/or data
Memory module；
Described driving protection module receives described floor data and/or described fault data, produces and drives protection signal；
Described data memory module is used for storing described floor data and/or described fault data.
Preferably, described wireless communication module be bluetooth module, WIFI module, infrared module, non-contact radio-frequency identification
Any one in module.
Embodiment of the present utility model additionally provides a kind of data acquisition unit, for current transformator power module, including no
Line communication module, described wireless communication module receives, according to wireless transmission protocol, the floor data comprising current transformator power module
And/or the packet of fault data.
Preferably, described wireless communication module parses the floor data in described packet and/or fault data, Yi Jibian
Stream device power model labelling.
Preferably, described data acquisition unit also includes processor and connected data memory module, described process
Device receives described floor data and/or fault data, described data memory module by described floor data and/or fault data with
Described current transformator power module labelling is associated storing.
Preferably, described data acquisition unit also includes the network interface communication module being connected with described processor.
Preferably, described data acquisition unit also includes the input/output module being connected with described processor, described input
Output module is used for receiving operational order and being sent to described processor, and described processor is according to operated instruction to described data
Floor data in memory module and/or fault data are processed.
Embodiment of the present utility model additionally provides a kind of current transformator power module, including positive busbar, negative busbar, Yi Jiyi
The secondary discharge resistance being connected in parallel between described positive busbar and described negative busbar, DC support electric capacity, semiconductor switch device and suction
Receive electric capacity, and above-described data monitoring device, the driving protection module of described data monitoring device and described quasiconductor
The control interface of switching device connects.
Embodiment of the present utility model additionally provides a kind of data collecting system of current transformator power module, including at least one
Individual data monitoring device as in the foregoing embodiment, at least one data acquisition unit as in the foregoing embodiment, and
Background server, described data monitoring device and described background server are connected with the communication of described data acquisition unit respectively.
Data monitoring device, data acquisition unit, system and current transformator power module that this utility model embodiment provides,
By the floor data of data collecting module collected current transformator power module, further processor is true according to the floor data collecting
Determine fault data, the packet comprising floor data and/or fault data is sent by wireless communication module, it is achieved thereby that soon
Speed, safely obtain the floor data of current transformator power module and/or fault data, and structure is simple and convenient to operate.
Brief description
Fig. 1 is the structured flowchart of the data monitoring device of this utility model embodiment one；
Fig. 2 is the structural representation of the current transformator power module of the data monitoring device applying this utility model embodiment one
Figure；
Fig. 3 is the structured flowchart of the data acquisition unit of this utility model embodiment two；
Fig. 4 is the structured flowchart of the data collecting system of current transformator power module of this utility model embodiment three.
Specific embodiment
Below in conjunction with the accompanying drawings to this utility model embodiment data monitoring device, data acquisition unit, system and current transformer
Power model is described in detail.
Embodiment one
Fig. 1 is the structured flowchart of the data monitoring device of this utility model embodiment one, and with reference to Fig. 1, this data monitoring fills
Put for current transformator power module, data monitoring device includes processor 110, and the data being connected respectively with processor 110
Acquisition module 120 and wireless communication module 130.Data acquisition module 120 gathers the floor data of current transformator power module.Process
Device 110 receives described floor data, determines fault data according to floor data, and by floor data and/or described fault data
It is sent to described wireless communication module 130.Wireless communication module 130 receives floor data and/or described fault data, according to no
Line host-host protocol sends the packet comprising floor data and/or fault data.
In concrete implementation mode, data acquisition module 120 may include voltage sensor and current sensor, Yi Jiwen
Degree sensor or infrared temperature measurement apparatus etc..Data acquisition module 120 is used for collection for example, output AC electric current, DC voltage, electricity
The floor datas such as source voltage, temperature, DC support electric capacity ripple current.Processor 110 can be by according to the floor data collecting
Identify malfunction with default floor data scope, fault data is determined based on malfunction.
Wireless communication module 130 can be bluetooth module, WIFI module, infrared module, non-contact radio-frequency identification module
In any one, but not limited to this.Wireless communication module 130 is floor data and/or fault data adds current transformer power
Module marks, obtain packet.
Preferably, this data monitoring device may also include the driving protection module 140 being connected with processor 110 and/or number
According to memory module 150.
In actual applications, protection module 140 is driven to be used for driving the power semiconductor switch in current transformator power module
Device, drives protection module 140 to receive floor data and/or fault data, produces and drive protection signal.Processor 110 basis
The data collecting judges to the running status of the components and parts such as such as power semiconductor switch, DC support electric capacity,
When judging that components and parts are in malfunction, pass through in time to drive protection module 140 to make protection to it.Additionally, processor 110 is also
The data being stored in data memory module 150 can be analyzed processing, according to analysis result to such as DC support electric capacity, work(
The life-span of rate semiconductor switch device is predicted and reports to the police.
Data memory module 150 can the floor data that collects of data storage acquisition module 120, and/or processor 110 is true
The fault data made, data memory module 150 can adopt flash memory, safe digital card, the read-only storage of electrically erasable programmable
The storage cards such as device (ElectricallyErasable Programmable Read-Only Memory, E2PROM).
Here, this data monitoring device can be integrated in the driving measurement protection circuit plate of current transformator power module.
This utility model additionally provides a kind of current transformator power module.Fig. 2 is to apply this utility model embodiment one
The structural representation of the current transformator power module of data monitoring device.With reference to Fig. 2, this current transformator power module includes：Positive busbar
1st, negative busbar 2, and it is connected in parallel on discharge resistance 3 between positive busbar 1 and negative busbar 2, DC support electric capacity 4, quasiconductor successively
Switching device 5 and Absorption Capacitance 6, current transformator power module also includes the data monitoring device 7 as described in embodiment one, and data is supervised
The driving protection module surveying device 7 is connected with the control interface of semiconductor switch device 5.
In concrete implementation mode, the data monitoring device 7 shown in Fig. 2 can be integrated in driving measurement protection circuit plate
In, thus, drive measurement protection circuit plate to have wireless communication function.Measurement protection circuit plate is driven to pass through wireless communication module
Set up with data acquisition unit and be wirelessly connected, carried out data transmission based on the wireless connection set up.Drive measurement protection circuit plate
With the control interface electrical connection of semiconductor switch device 5 (as IGBT module), semiconductor switch device 5 is measured and protects
Shield, makes semiconductor switch device 5 can stablize and safely runs.Specifically, semiconductor switch device 5 receives and drives protection letter
Number, it is operated in normal condition or guard mode according to driving protection signal.
Specifically, in actual applications, protection module is driven can also to include driving submodule, measurement submodule and control
Protection submodule etc..Drive submodule to be electrically connected with semiconductor switch device, and drive semiconductor switch device to work.Measurement
Submodule is used for measuring semiconductor switch device parameter and exporting to controlling protection submodule, controls protection submodule according to reception
To parameter be controlled, to protect the work safety of semiconductor switch device.
Certainly, protection module is driven can also to be existing IGBT drive circuit or IGBT driving plate etc., as long as can be right
Semiconductor switch device is driven.
The data monitoring device that this utility model embodiment provides, by data collecting module collected current transformator power module
Floor data, further processor according to data collecting module collected to floor data determine fault data, by channel radio
News module sends the packet comprising floor data and/or fault data to data acquisition unit, it is achieved thereby that quickly, safety
Ground obtains floor data and/or the fault data of current transformator power module.
On this basis, this utility model embodiment also has the following technical effect that：
On the one hand, it is that floor data and/or described fault data add current transformator power module by wireless communication module
Labelling, wherein, current transformator power module labelling can be easy to data acquisition unit and multiple data monitoring devices are made a distinction；This
Outward, wireless communication module can be reliable, swimmingly by communication modes such as bluetooth, WIFI, infrared, non-contact radio-frequency identifications
Carry out data communication with data acquisition unit；
On the other hand, processor identifies malfunction based on the floor data collecting with default floor data scope, enters
And accurately determine fault data；
Another further aspect, drives the semiconductor switch device in current transformator power module by driving protection module.And,
When processor judges that components and parts are in malfunction, by driving protection module, protection is made to current transformator power module in time,
Ensure that the safe operation of current transformator power module；By data memory module, floor data and/or fault data are stored, just
Digital independent when demand.
Embodiment two
Fig. 3 is the structured flowchart of the data acquisition unit of this utility model embodiment two.With reference to Fig. 3, this data acquisition fills
Put for current transformator power module, data acquisition unit includes wireless communication module 310, and wireless communication module 310 is according to wireless
Host-host protocol receives and comprises the floor data of current transformator power module and/or the packet of fault data.
Further, wireless communication module 310 can parse the floor data in packet and/or fault data, Yi Jibian
Stream device power model labelling.
In concrete implementation mode, above-mentioned current transformator power module labelling can be each current transformator power module each
Independent numbering IP.By the wireless communication module 310 in data acquisition unit according to unique numbering IP, and arbitrary aforementioned enforcement
The wireless communication module 130 of the data monitoring device of example one sets up wireless connection, is supervised data monitoring device by wireless channel
The floor data measuring and/or fault data read.Wherein, wireless channel can be short-range wireless communication channel, example
As met the communication protocols such as bluetooth, WIFI, infrared data transmission or non-contact radio-frequency identification.
Preferably, the data acquisition unit of this current transformator power module also includes processor 320 and connected data
Memory module 330, processor 320 receives described floor data and/or fault data, and data memory module 330 is by floor data
And/or fault data is associated storing with current transformator power module labelling.
In photovoltaic generation field or wind energy turbine set, each current transformer is geographically dispersed and distributed.When data acquisition dress
After putting the floor data collecting multiple current transformers and/or fault data, according to each current transformator power module labelling by operating mode
Data and/or fault data write data memory module 330, for follow-up reading, display operation.Processor 320 also can base
The floor data of the multiple data monitoring devices receiving and/or fault data are carried out point in current transformator power module labelling
Class, is easy to data management and associated storage.
Further, the data acquisition unit of this current transformator power module may also include the network interface being connected with processor 320
Communication module 340.Network interface communication module 340 is, for example, RS232, RS485, RJ45, usb interface module.
In actual applications, the data acquisition unit of current transformator power module can by network interface communication module 340 with upper
Machine connects, and by collected data transfer in the big data cloud storehouse of backstage, is available for research staff and carries out data analysiss and pipe at any time
Reason etc..Preferably, host computer can recognize that each current transformator power module labelling of storage in data memory module 330, selects to carry
Take floor data and/or the fault data of whole current transformers.Additionally, when carrying out emphasis monitoring for wherein part current transformer,
Part current transformator power module labelling be can also first recognize, then floor data and/or the fault data of part current transformer extracted,
Ignore the data of other current transformers, improve the efficiency reading data.
Further, this data acquisition unit also includes the input/output module 350 being connected with processor 320, described
Input/output module 350 is used for receiving operational order and being sent to described processor 320, and described processor 320 is according to described behaviour
Instruct and the floor data in described data memory module 330 and/or fault data are processed.Specifically, input and output
Module 350 can be the hardware devices such as liquid crystal display and keyboard operation, for realizing manual operations and showing mode of operation in real time.
User can in LCDs the floor data of preview current transformer and/or fault data, be possible with keyboard or
Person's contact action is marked, deletes, changing etc. to the data collecting operation.
Because external interference etc. affects, the floor data that data acquisition unit reads up first there may be error, because
This availability data harvester is repeatedly read to data monitoring device, Continuous Observation floor data interior for a period of time,
Select accurate floor data by the operation such as deleting, changing.In a preferred exemplary, processor 320 receives deletion behaviour
Instruct, the floor data larger to the error of the current transformator power module of storage in data memory module 330 is deleted.
The transient fault occurring for power model, due to fault data not sustainable existence, single read operation may
Do not collect fault data.In this case, availability data harvester is repeatedly read, until collecting number of faults
According to.In a preferred exemplary, processor 320 receives marking operation instruction, to the fault data in data memory module 330
It is marked, make a distinction with normal data.
The data acquisition unit of the current transformator power module that this utility model embodiment provides, real by wireless communication module
Show radio transmission operations, can be by the floor data of arbitrary current transformator power module and/or failure data acquisition to data acquisition
So that data collection operations are convenient, quick in device, the safety of data transfer is higher.And structure is simple, practicality
Stronger.
User can be using LCD screen preview floor data and/or fault data it is also possible to utilize keyboard or touch screen
Operation is optionally deleted to floor data and/or fault data, labelling and modification are it is ensured that the accuracy of data.
Embodiment three
Fig. 4 is the structured flowchart of the data collecting system of current transformator power module of this utility model embodiment three.Reference
Fig. 4, the data collecting system of current transformator power module includes at least one data monitoring device 410 as described in embodiment one,
And at least one data acquisition unit 420 as described in embodiment two and background server 430.Multiple data monitoring devices
410 are connected with data acquisition unit 420 communication respectively, and data acquisition unit 420 is connected with background server 430.
Here, multiple data monitoring devices 410 respectively the communication between data acquisition unit 420 be connected can be using wireless
Communication, concrete implementation mode can be the short-distance wireless such as bluetooth, WIFI, infrared data transmission, non-contact radio-frequency identification
Communication technology, but not limited to this.Additionally, the data acquisition unit 420 of the current transformator power module described in embodiment two can be
Hand-held device.In actual applications, when hand-held device is near current transformer, data monitoring device 410 and data acquisition unit 420
Set up wireless connection, can be by the data collection of current transformator power module to data acquisition unit by the wireless connection set up
In 420.
Data acquisition unit 420 passes through network interface communication module 340 again, by the floor data collected/fault data transmission
To background server 430.Background server 430 collect each photovoltaic generation field, in wind energy turbine set current transformer big data, be easy to grind
The personnel of sending out carry out data analysiss and management etc. at any time.
The data collecting system of the current transformator power module that this utility model embodiment provides, is filled by multiple data monitorings
Put respectively with data acquisition unit communication is connected it is achieved that easily and quickly collection current transformator power module floor data and/
Or fault data, the safety of data transfer is higher.Additionally, also the data of collection can be transferred to the big data of background server
Yun Ku, thus be big data analysis and management offer easily channel.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model does not limit to
In this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in change
Or replace, all should cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with described power
The protection domain that profit requires is defined.
Claims (11)
1. a kind of data monitoring device, for current transformator power module it is characterised in that described data monitoring device includes processing
Device, and the data acquisition module that is connected with described processor respectively and wireless communication module；
The floor data of described data collecting module collected current transformator power module；
Described processor receives described floor data, identifies fault shape according to described floor data with default floor data scope
State, determines fault data based on malfunction, and described floor data and/or described fault data are sent to described channel radio
News module；
Described wireless communication module receives described floor data and/or described fault data, sends bag according to wireless transmission protocol
Packet containing described floor data and/or described fault data.
2. data monitoring device according to claim 1 is it is characterised in that described wireless communication module is described operating mode number
According to and/or described fault data add current transformator power module labelling, obtain described packet.
3. data monitoring device according to claim 1 and 2 it is characterised in that described data monitoring device also include with
Driving protection module and/or data memory module that described processor connects；
Described driving protection module receives described floor data and/or described fault data, produces and drives protection signal；
Described data memory module is used for storing described floor data and/or described fault data.
4. data monitoring device according to claim 1 and 2 is it is characterised in that described wireless communication module is bluetooth mould
Any one in block, WIFI module, infrared module, non-contact radio-frequency identification module.
5. a kind of data acquisition unit, for current transformator power module it is characterised in that described data acquisition unit includes wirelessly
Communication module, described wireless communication module according to wireless transmission protocol receive comprise current transformator power module floor data and/
Or the packet of fault data.
6. data acquisition unit according to claim 5 is it is characterised in that described wireless communication module parses described data
Floor data in bag and/or fault data, and current transformator power module labelling.
7. the data acquisition unit according to claim 5 or 6 is it is characterised in that described data acquisition unit also includes locating
Reason device and connected data memory module, described processor receives described floor data and/or fault data, described data
Described floor data and/or fault data are associated storing by memory module with described current transformator power module labelling.
8. data acquisition unit according to claim 7 it is characterised in that described data acquisition unit also include with described
The network interface communication module that processor connects.
9. data acquisition unit according to claim 7 it is characterised in that described data acquisition unit also include with described
The input/output module that processor connects, described input/output module is used for receiving operational order and being sent to described processor,
Described processor according to described operational order to the floor data in described data memory module and/or fault data at
Reason.
10. a kind of current transformator power module, including positive busbar, negative busbar, and is connected in parallel on described positive busbar and described negative successively
Discharge resistance between busbar, DC support electric capacity, semiconductor switch device and Absorption Capacitance are it is characterised in that described unsteady flow
Device power model also includes the data monitoring device as any one of Claims 1 to 4, the drive of described data monitoring device
Dynamic protection module is connected with the control interface of described semiconductor switch device.
A kind of 11. data collecting systems of current transformator power module are it is characterised in that include at least one as Claims 1 to 4
Any one of data monitoring device, at least one data acquisition unit as any one of claim 5～9,
And background server, described data monitoring device and described background server are communicated even with described data acquisition unit respectively
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620490125.1U CN205940614U (en) | 2016-05-25 | 2016-05-25 | Data monitoring device, data acquisition device, system and converter power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620490125.1U CN205940614U (en) | 2016-05-25 | 2016-05-25 | Data monitoring device, data acquisition device, system and converter power module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205940614U true CN205940614U (en) | 2017-02-08 |
Family
ID=57934918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620490125.1U Active CN205940614U (en) | 2016-05-25 | 2016-05-25 | Data monitoring device, data acquisition device, system and converter power module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205940614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780690A (en) * | 2018-11-28 | 2019-05-21 | 珠海格力电器股份有限公司 | A kind of intelligent wireless power module, control method and transducer air conditioning |
-
2016
- 2016-05-25 CN CN201620490125.1U patent/CN205940614U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780690A (en) * | 2018-11-28 | 2019-05-21 | 珠海格力电器股份有限公司 | A kind of intelligent wireless power module, control method and transducer air conditioning |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103701208B (en) | A kind of intelligent mobile power patrol terminal | |
| CN103592908B (en) | A kind of aircraft integrated measurement system based on 1553B bus | |
| CN103675492B (en) | A kind of electricity consumption monitoring analytical approach, portable electricity consumption monitoring analytical equipment and system | |
| CN105785099A (en) | Multi-node electrical power quality real-time monitoring system based embedded wireless network | |
| CN105372550A (en) | Intelligent communication power source monitoring device | |
| CN207473028U (en) | Distribution Fault Location System | |
| CN203337722U (en) | Voltage and current collecting device of grid overhead transmission line | |
| CN103853138B (en) | A kind of power-supply management system of the wireless intelligent socket based on RFID | |
| CN102156260B (en) | System and method for evaluating status of oscillation circuit of active high-voltage direct-current switch | |
| CN205940614U (en) | Data monitoring device, data acquisition device, system and converter power module | |
| CN203193399U (en) | Energy saving management monitoring terminal based on network | |
| CN202424727U (en) | Portable testing device of micropower wireless communication module | |
| CN202230173U (en) | Self-adaptive multi-harmonic-source positioning device | |
| CN202353313U (en) | Monitoring system of power supply equipment for power | |
| CN206945867U (en) | A kind of line loss real time monitoring apparatus | |
| CN102882272B (en) | Intelligent alternating current distribution lightning protection and branch energy consumption monitoring system of base station | |
| CN202548187U (en) | Monitoring system of qualified rate of supply voltage of power grid | |
| CN203133201U (en) | Integrated measurement device for energy-storage grid-connected system | |
| CN204989263U (en) | Remote monitoring electric energy meter | |
| CN201876711U (en) | Multi-purpose data collecting device | |
| CN104485749A (en) | Auxiliary corresponding detection point setting method for monitoring integrated power supplies of transformer substation | |
| CN205354313U (en) | Data acquisition device in wireless node instrument | |
| CN107345993A (en) | A kind of electric equipment operation information monitoring system | |
| CN203930410U (en) | Network intelligence electric quantity acquisition energy-saving control device | |
| CN208752780U (en) | A kind of low-power consumption pressure transmitter wireless communication device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |