CN208656424U - A kind of monitoring power distribution controller with reactive compensation - Google Patents
A kind of monitoring power distribution controller with reactive compensation Download PDFInfo
- Publication number
- CN208656424U CN208656424U CN201821510343.2U CN201821510343U CN208656424U CN 208656424 U CN208656424 U CN 208656424U CN 201821510343 U CN201821510343 U CN 201821510343U CN 208656424 U CN208656424 U CN 208656424U
- Authority
- CN
- China
- Prior art keywords
- circuit
- interface
- power distribution
- cpu
- input terminal
- 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.)
- Expired - Fee Related
Links
- 238000004891 communication Methods 0.000 claims abstract description 51
- 238000012544 monitoring process Methods 0.000 claims abstract description 26
- 239000003990 capacitor Substances 0.000 claims abstract description 23
- 238000012423 maintenance Methods 0.000 claims abstract description 10
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 8
- 239000000523 sample Substances 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 10
- 230000005611 electricity Effects 0.000 description 5
- 230000001939 inductive effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
-
- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/22—Flexible AC transmission systems [FACTS] or power factor or reactive power compensating or correcting units
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/40—Display of information, e.g. of data or controls
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to a kind of monitoring power distribution controller with reactive compensation, the output end of its three-phase ic for energy metering, the output end of independent clock circuit, the output end of standby battery circuit, the output end of button inputting circuits is connected respectively to the input terminal of CPU, the output end of CPU is separately connected the input terminal of combination switch, the input terminal of liquid crystal display, the input terminal of alarm output circuit, the input terminal of outputting circuit for relay, communication assembly is connected with CPU, the switching of combination switch control capacitor, communicating assembly includes infrared remote control module, RS232 communication interface, USB interface, GPRS communication module, Ethernet interface, RS485 communication interface.The monitoring power distribution controller of the utility model can measure the electric energy of route while realizing reactive power compensation system, and reach the copying and accepting of data, the setting of parameter and maintenance debugging with communication, have additional expansion interface, improve using flexible.
Description
Technical field
The utility model relates to a kind of monitoring power distribution controller with reactive compensation.
Background technique
Electric load such as motor, transformer in power grid etc., largely belongs to inductive load, need in the process of running to
These equipment provide corresponding reactive power.After the reactive-load compensation equipments such as shunt capacitor are installed in power grid, it can provide
Reactive power consumed by inductive load reduces the reactive power that electric network source is provided to inductive load, conveyed by route, drop
Low line and transformer is because of electric energy loss caused by conveying reactive power, and here it is reactive compensations.Current reactive compensation terminal
By switched capacitor increase power factor, to guarantee power quality.But existing reactive compensation terminal controller does not have electricity
The function that can be measured, as distribution terminal controller, communication mode is more single, and reactive compensation terminal controller is set with outside
Standby or master station communication is inconvenient.
Summary of the invention
In view of this, the purpose of this utility model is to provide one kind have multiple communication modes, realize electrical energy measurement and
The monitoring power distribution controller with reactive compensation with expansion interface.
In order to achieve the goal above, the utility model uses such a monitoring power distribution controller with reactive compensation, packet
Include CPU, three-phase electric energy metering circuit, independent clock circuit, standby battery circuit, button inputting circuits, combination switch, capacitor
Device, liquid crystal display, alarm output circuit, outputting circuit for relay, communication assembly, the output of the three-phase electric energy metering circuit
End, the output end of independent clock circuit, the output end of standby battery circuit, button inputting circuits output end be connected respectively to
The input terminal of CPU, the output end of the CPU be separately connected the input terminal of combination switch, liquid crystal display input terminal, alarm it is defeated
The input terminal of the input terminal of circuit, outputting circuit for relay out, the communication assembly are connected with CPU, the combination switch control
The switching of capacitor processed, the communication assembly include infrared remote control module, RS232 communication interface, USB interface, GPRS communication mould
Block, Ethernet interface, RS485 communication interface.
The above-mentioned monitoring power distribution controller with reactive compensation realizes the metering of electrical energy parameter by three-phase electric energy metering circuit,
And according to the power factor controlling device with Capacitor Switched by Compound Switch for monitoring circuit, power quality is improved;Independent clock circuit is protected
The precision of card display time;Standby battery circuit can make monitoring power distribution controller continue to keep work after a loss of power;Key-press input
The settable parameter of circuit;Liquid crystal display can show real time data;Alarm output circuit can be in line failure alarm;After
The movement of electric appliance output circuit control output signal;Monitoring power distribution controller has communication simultaneously, can guarantee distribution
Distant place remote control operation may be implemented parameter is arranged in the reliability they monitor controller data acquisition and saved, infrared remote control module,
RS232 communication interface realize data copy and accept, parameter setting, maintenance, debugging, USB interface realize terminal total data reading,
GPRS communication module directly realizes with main website with communication and communicates that Ethernet interface is real with wired communication mode and main website
It now communicates, the realization of RS485 communication interface calls survey together to muti-piece ammeter data.
This practical three-phase electric energy metering circuit that is further arranged to uses electric energy computation chip RN8302 respectively to A phase, B
Phase, C phase carry out electrical energy measurement, and wherein the sample circuit of A phase, B phase, C phase is all consistent, by taking A phase sample circuit as an example, including it is mutual
Sensor T1, resistance R5, resistance R7, resistance R14, resistance R17, capacitor C8, capacitor C14, the resistance R7 connect with resistance R14,
One end of the resistance R7 and one end of resistance R14 are connected respectively to the both ends of mutual inductor T1, the other end ground connection of resistance R7, electricity
Resistance R5, capacitor C8, capacitor C14, resistance R17 are sequentially connected in series, one end of one end connection resistance R7 of resistance R5, and the one of resistance R17
One end of end connection resistance R14, one end of capacitor C8 and one end output A phase sampled signal of capacitor C14 are simultaneously connected to electric energy meter
The input terminal of chip RN8302 is measured, the other end ground connection of capacitor C8, B phase sampled signal, C phase sampled signal are equally output to electric energy
The input terminal of metering chip RN8302.
Above-mentioned electric energy computation chip RN8302 is suitable for the monitoring of three-phase electric energy, is able to satisfy the requirement of measuring accuracy, power consumption
It is low, and the active and reactive power of energy metering line, electric energy computation chip RN8302 pass the signal to CPU, CPU is according to route
Power factor carry out switched capacitor.
This practical independent clock circuit that is further arranged to is using clock chip RX-8025AC.
Above-mentioned clock chip RX-8025AC improves clock accuracy by the temperature-compensating of different interval, and its is low in energy consumption,
It breaks down when powering off, battery BT1 power supply can be used for a long time.
This practical infrared remote control module that is further arranged to uses integrated circuit NE555 and infrared receiver probe HS0038,
The integrated circuit NE555 and infrared receiver probe HS0038 are connect with CPU respectively.
The above-mentioned infrared remote control module being made of integrated circuit NE555 and infrared receiver probe HS0038 is not by light such as daylight
Source interference, high sensitivity is low in energy consumption, is suitable for monitoring power distribution controller.
This practical the quantity for being further arranged to RS485 communication interface at least 2.
Above-mentioned RS485 all the way is configured to meter reading mode, and most multipotency carries out 8 pieces of electric energy meters to call survey and clock synchronization together in real time simultaneously;
Another way RS485 is configured to be read by meter reading mode by other equipment, and RS485 is communicated by SP485 chip and its peripheral component
Constitute realization.
This practical quantity for being further arranged to RS232 communication interface has 3, including RS232 maintenance interface, RS232 short
Apart from wireless communication interface, RS232 remote communication interface.
Above-mentioned RS232 maintenance interface realize local data copy and accept, safeguard, parameter setting, RS232 short-distance wireless communication
Interface realize short distance wireless data copy and accept, safeguard, parameter setting, RS232 remote communication interface realize Data Telecommunication,
RS232 short-distance wireless communication interface, RS232 remote communication interface constitute realization by MAX232 chip and its peripheral component
, RS232 maintenance interface uses PS/2 interface.
This practical monitoring power distribution controller being further arranged to reactive compensation further includes switch value input interface and opens
Output interface is measured in pass, and the switch value input interface is connected to the input terminal of CPU, and the output end of the CPU is connected to switching value
Output interface.
Expansion switch amount input interface and output switch parameter interface on above-mentioned monitoring power distribution controller, can be with the demand of client
Or the requirement of installation environment increases some detection sensors, carrys out the state of detection device, while also can control some movements
Output improves the flexibility of monitoring power distribution controller.
This practical model STM32F407V for being further arranged to CPU.
The CPU power consumption of above-mentioned model STM32F407V is low, reliable performance, has enough ports I/O, is suitable for
The high monitoring power distribution controller of functional integration.
Detailed description of the invention
Fig. 1 is the utility model embodiment functional-block diagram.
Fig. 2 is the utility model embodiment three-phase electric energy metering circuit diagram.
Fig. 3 is the utility model embodiment three-phase electric energy metering circuit diagram.
Fig. 4 is the utility model embodiment independent clock circuit diagram.
Fig. 5 is the utility model embodiment infrared remote control module circuit diagram.
Fig. 6 is the utility model embodiment RS485 communication interface circuit schematic diagram.
Fig. 7 is the utility model embodiment RS232 communication interface circuit schematic diagram.
Fig. 8 is the utility model embodiment RS232 communication interface circuit schematic diagram.
Fig. 9 is the utility model embodiment RS232 maintenance interface circuit diagram.
Figure 10 is the utility model embodiment cpu circuit schematic diagram.
Specific embodiment
As shown in Fig. 1,6,7,8,9,10, the utility model is a kind of monitoring power distribution controller with reactive compensation, including
CPU, three-phase electric energy metering circuit, independent clock circuit, standby battery circuit, button inputting circuits, combination switch, capacitor,
Liquid crystal display, alarm output circuit, outputting circuit for relay, communication assembly, the output end of the three-phase electric energy metering circuit,
The output end of independent clock circuit, the output end of standby battery circuit, button inputting circuits output end be connected respectively to CPU's
Input terminal, the output end of the CPU are separately connected the input terminal of combination switch, the input terminal of liquid crystal display, warning output electricity
The input terminal of the input terminal on road, outputting circuit for relay, the communication assembly are connected with CPU, the combination switch control electricity
The switching of container, the communication assembly include infrared remote control module, RS232 communication interface, USB interface, GPRS communication module, with
Too network interface, RS485 communication interface, the quantity of RS485 communication interface at least 2, Fig. 6 is that one of RS485 communication connects
Mouth circuit, RS485 is configured to meter reading mode all the way, and most multipotency carries out 8 pieces of electric energy meters to call survey and clock synchronization, another way together in real time simultaneously
RS485 is configured to be read by meter reading mode by other equipment, and the quantity of RS232 communication interface has 3, including RS232 maintenance connects
Mouthful, RS232 short-distance wireless communication interface, RS232 remote communication interface, RS232 maintenance interface realize local data copy and accept,
Maintenance, parameter setting, RS232 short-distance wireless communication interface realize short distance wireless data copy and accept, safeguard, parameter setting,
RS232 remote communication interface realizes Data Telecommunication, the model STM32F407V of CPU.
As shown in Figures 2 and 3, three-phase electric energy metering circuit is using electric energy computation chip RN8302 respectively to A phase, B phase, C phase
Electrical energy measurement is carried out, wherein the sample circuit of A phase, B phase, C phase is all consistent, by taking A phase sample circuit as an example, including mutual inductor T1,
Resistance R5, resistance R7, resistance R14, resistance R17, capacitor C8, capacitor C14, the resistance R7 connect with resistance R14, the resistance
One end of R7 and one end of resistance R14 are connected respectively to the both ends of mutual inductor T1, the other end ground connection of resistance R7, resistance R5, electricity
Hold C8, capacitor C14, resistance R17 to be sequentially connected in series, one end of one end connection resistance R7 of resistance R5, one end connection of resistance R17
One end of resistance R14, one end of capacitor C8 and one end output A phase sampled signal of capacitor C14 are simultaneously connected to electric energy computation chip
The input terminal of RN8302, the other end ground connection of capacitor C8, B phase sampled signal, C phase sampled signal are equally output to electrical energy measurement
The input terminal of chip RN8302.
As shown in figure 4, independent clock circuit uses clock chip RX-8025AC.
As shown in figure 5, infrared remote control module is using integrated circuit NE555 and infrared receiver probe HS0038, it is described integrated
Circuit NE555 and infrared receiver probe HS0038 are connect with CPU respectively.
Claims (8)
1. a kind of monitoring power distribution controller with reactive compensation, it is characterised in that: including CPU, three-phase electric energy metering circuit, independence
Clock circuit, standby battery circuit, button inputting circuits, combination switch, capacitor, liquid crystal display, alarm output circuit, after
Electric appliance output circuit, communication assembly, the output end, spare of the output end of the three-phase electric energy metering circuit, independent clock circuit
The output end of battery circuit, the output end of button inputting circuits are connected respectively to the input terminal of CPU, the output end point of the CPU
Not Lian Jie the input terminal of combination switch, the input terminal of liquid crystal display, alarm output circuit input terminal, outputting circuit for relay
Input terminal, the communication assembly is connected with CPU, the switching of the combination switch control capacitor, the communication assembly packet
Include infrared remote control module, RS232 communication interface, USB interface, GPRS communication module, Ethernet interface, RS485 communication interface.
2. the monitoring power distribution controller according to claim 1 with reactive compensation, it is characterised in that: the three-phase electric energy meter
It measures circuit and electrical energy measurement is carried out to A phase, B phase, C phase respectively using electric energy computation chip RN8302.
3. the monitoring power distribution controller according to claim 1 or 2 with reactive compensation, it is characterised in that: when described independent
Clock circuit uses clock chip RX-8025AC.
4. the monitoring power distribution controller according to claim 1 or 2 with reactive compensation, it is characterised in that: described infrared distant
Module is controlled using integrated circuit NE555 and infrared receiver probe HS0038, the integrated circuit NE555 and infrared receiver probe
HS0038 is connect with CPU respectively.
5. the monitoring power distribution controller according to claim 1 or 2 with reactive compensation, it is characterised in that: the RS485 is logical
Quantity at least 2 for believing interface.
6. the monitoring power distribution controller according to claim 1 or 2 with reactive compensation, it is characterised in that: the RS232 is logical
The quantity of letter interface has 3, including RS232 maintenance interface, RS232 short-distance wireless communication interface, RS232 telecommunication connect
Mouthful.
7. the monitoring power distribution controller according to claim 1 or 2 with reactive compensation, it is characterised in that: the band is idle
The monitoring power distribution controller of compensation further includes switch value input interface and output switch parameter interface, and the switch value input interface connects
It is connected to the input terminal of CPU, the output end of the CPU is connected to output switch parameter interface.
8. the monitoring power distribution controller according to claim 1 or 2 with reactive compensation, it is characterised in that: the type of the CPU
Number be STM32F407V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821510343.2U CN208656424U (en) | 2018-09-13 | 2018-09-13 | A kind of monitoring power distribution controller with reactive compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821510343.2U CN208656424U (en) | 2018-09-13 | 2018-09-13 | A kind of monitoring power distribution controller with reactive compensation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208656424U true CN208656424U (en) | 2019-03-26 |
Family
ID=65792637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821510343.2U Expired - Fee Related CN208656424U (en) | 2018-09-13 | 2018-09-13 | A kind of monitoring power distribution controller with reactive compensation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208656424U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114124162A (en) * | 2020-08-26 | 2022-03-01 | 东莞雅冠电子有限公司 | Network neuron communication transmission system and method |
-
2018
- 2018-09-13 CN CN201821510343.2U patent/CN208656424U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114124162A (en) * | 2020-08-26 | 2022-03-01 | 东莞雅冠电子有限公司 | Network neuron communication transmission system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108490382B (en) | Remote online verification method and system for high-voltage electric energy meter measuring plate | |
| CN108761160A (en) | A kind of electric energy meter legality measurement and non-legal system functional hardware separated structure | |
| CN109751950A (en) | A Portable Wireless Static Strain Measurement System | |
| CN208656424U (en) | A kind of monitoring power distribution controller with reactive compensation | |
| CN105203151B (en) | A kind of industrial Internet of Things comprehensive tester | |
| CN211318572U (en) | Composite sensor based on current transformer | |
| CN202256647U (en) | Full-function multi-meter-position voltage monitor calibration device | |
| CN206097305U (en) | IC -card industry intelligent monitoring gas table controller | |
| WO2019216512A1 (en) | Electronic electricity meter | |
| CN205829654U (en) | Power equipment communication test instrument | |
| CN112834799A (en) | Intelligent Hall current sensor chip based on Internet | |
| CN108981920A (en) | A kind of mining intelligent temperature sensor | |
| CN110687341A (en) | Composite sensor based on current transformer | |
| CN207036331U (en) | A kind of acquisition analysis system | |
| CN207301171U (en) | A kind of intelligent electric meter | |
| CN209746702U (en) | Single-phase electronic type prepayment electric energy meter with three control loops having time control function | |
| CN209459699U (en) | Detecting and controlling system | |
| CN208621687U (en) | A kind of D.C. resistance test device and D.C. resistance test macro based on PAD | |
| CN209624686U (en) | A remote control insulation resistance measuring device | |
| CN223711706U (en) | Hydropower Dual-Control Remote Measurement Terminal | |
| KR100541357B1 (en) | Remote meter integrated electronic electricity meter and remote meter reading system using the same | |
| CN204142860U (en) | There is the device of HV live displaying and temperature-monitoring function | |
| CN206610126U (en) | A kind of information acquisition terminal applied to power distribution station | |
| CN204944717U (en) | A kind of wireless merit map sensor | |
| RU153463U1 (en) | ELECTRICITY QUALITY DEFLECTION SIGNALIZER |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 |