CN104931769A - 16-path current detection system - Google Patents
16-path current detection system Download PDFInfo
- Publication number
- CN104931769A CN104931769A CN201510247731.0A CN201510247731A CN104931769A CN 104931769 A CN104931769 A CN 104931769A CN 201510247731 A CN201510247731 A CN 201510247731A CN 104931769 A CN104931769 A CN 104931769A
- Authority
- CN
- China
- Prior art keywords
- module
- main control
- data
- mcu main
- control module
- 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.)
- Pending
Links
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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a 16-path current detection system mainly comprising a MCU main control module, a DC/DC power module, a current sample module, a digital quantity sample module, a wired data transmission module, and a wireless data transmission module; the DC/DC power module is connected with the MCU main control module through a line; the current sample module and the digital quantity sample module are respectively connected with the MCU main control module through a simulation/digit converter ADC and an input/output GPIO; the wired data transmission module and the wireless data transmission module are respectively connected with the MCU main control module through a synchronization asynchronous transceiver USART. The data collected by the current sample module and the digital quantity sample module are coded and encrypted so as to form a complete data pack; the data pack is transferred to a system backstage through the wired data transmission module, thus realizing data recording and displaying; the wireless transmission module transmits the data to the backstage so as to automatically determine a fault branch, thus speeding up a detection time; the 16-path current detection system is suitable for an intelligent conflux box and various current detection devices.
Description
Technical field
The present invention relates to the current detecting system of a kind of photovoltaic plant header box, the cabinet that confluxes, particularly relate to a kind ofly comprise Hall element, ER effect send, 16 road current detecting systems of analog to digital conversion, communication protocol etc.
Background technology
The world today, the fossil energy such as coal, oil is day by day exhausted, and sun power is unlimited as a kind of reserves, can clean utilization, most potentiality regenerative resource, more and more favored.Greatly develop photovoltaic industry, active development sun power, become the important component part of various countries' strategy of sustainable development.
In photovoltaic generating system, in order to reduce connecting line as far as possible, usually can by multi-path light photovoltaic assembly input by direct current conflux case conflux Cheng Yilu export, be connected to inverter, both facilitated wiring, also improve reliability.Photovoltaic combiner box common at present mainly contains two kinds: one is basic model header box, multi-path light photovoltaic assembly is ganged up overcurrent fuse conflux Cheng Yilu export, after confluxing, connect isolating switch and export, and being provided with anti-lightning strike protection at output terminal; Another kind is on the basis of basic model header box, adds photovoltaic module string current detecting and display module, counnter attack diode, though the reliability of improve, can not realize the remote transmission of current detecting data.
Next door, current northwest and desert belt, illumination is sufficient especially, and centralized photovoltaic plant is set up in these these places, have advantage clearly, but generally these places are meagrely-populated, the design can realize unmanned, automatic discrimination fault branch, accelerates the repair time.
Summary of the invention
The object of the invention is to the deficiency overcoming the existence of above-mentioned prior art, a kind of 16 road current detecting systems are provided; Can unmanned be realized, automatic discrimination fault branch, accelerate the repair time; And be applicable in intelligent junction box, DC power distribution cabinet, all kinds of current detecting equipment, applied range.
The present invention is achieved by the following technical solutions:
16 road current detecting systems, its structure is formed primarily of MCU main control module, DC/DC power module, current sample module, digital quantity sampling module, wired data transfer module, wireless data transfer module, wherein DC/DC power module is connected with MCU main control module by wire, current sample module, digital quantity sampling module are connected with MCU main control module respectively by analog/digital converter ADC, I/O GPIO, and wired data transfer module is connected with MCU main control module respectively by synchronous asynchronous transceiver USART with wireless data transfer module; And can realize each other controlling, by the data that current sample module, digital quantity sampling module are collected, after coding, encryption, form complete packet, pass through wired data transfer module transfer again to system background, realize data record and display, need not connect up, use wireless transport module to transmit data to backstage, and DC/DC power module provide electric power support for all equipment.
16 above-mentioned road current detecting systems, wherein said MCU main control module, its inside is provided with embedded-type ARM Cortex-M3 processor, ARM Cortex-M3 processor is the risc processor of 32, extra code efficiency is provided, usual 8 and sixteen-bit system storage space on obtain the high-performance of ARM core, platform, the number of pins of reduction, the system power dissipation of reduction of low cost can be provided for MCU main control module, remarkable calculated performance and the response of advanced interrupt system are provided simultaneously.
Further, the risc processor of described ARM Cortex-M3 32, its frequency of operation is 72MHz, internal high-speed memories, the flash memory of 128K byte and the internal memory SRAM of 20K byte, abundant enhancing I/O port and the peripheral hardware being connected to two APB buses, and device all comprises analog/digital converter ADC, 3 general 16 bit timing devices, 1 P timer WM of 2 12, also comprise standard and advanced communication interface: 2 I2C and serial communication interface SPI, 3 serial communication interface USART, 1 USB and 1 CAN interface.
The temperature range of STM32F103xx enhancement mode series of tasks in-40 ° of C to+105 ° of C, supply voltage 2.0V to 3.6V, a series of battery saving mode ensures the requirement of low-power consumption application.
16 above-mentioned road current detecting systems, wherein said electric current adopts module, and it is connected on 15 ~ 36 pins of MCU main control module U2, adopts Hall current sensor high current signal to be transformed into small-signal, for single-chip microcomputer identification; Generally Hall element output signal is 4-20mA, Single Chip Microcomputer (SCM) system acceptable signal is but the voltage signal of 0-2.5V, this just needs to use mimic channel Hall element signal to be converted to single-chip microcomputer can identification signal, and by adjustment parameter, find out the multiple proportions of actual value, more accurately technology current value.
16 above-mentioned road current detecting systems, wherein said digital data acquisition module, it is connected to pin 41-45, the 51-57 of U2 in MCU main control module, and comprising the collection etc. of temperature sensor data collection, the collection of lightning protection device duty, working state of circuit breaker, the data acquisition of temperature sensor is mainly through 1-Wire communication protocol; System is formed by connecting by a line from machine by a main frame and some; Main frame completes thus even powers to from the addressing of machine, control, data transmission; The collection etc. of the collection of lightning protection device duty, working state of circuit breaker all collects by universal input output pin GPIO.
16 above-mentioned road current detecting systems, wherein said wired data transfer module, it is connected with the pin 46,47,48 of U2 in MCU main control module, it is completed by industrial data transmission standard RS485 bus, RS485 bus adopts differential signal negative logic, logic " 1 " with the voltage difference of line-to-line for+(2 ~ 6) V represents; Logic " 0 " with the voltage difference of line-to-line for-(2 ~ 6) V represents; Data maximum transmission rate is 10Mbps, RS-485 interface is the combination adopting balance driver and difference, receiver, anti-common mode interference ability strengthens, maximum communication distance is about 1219m, and peak transfer rate is 10Mbps, and transfer rate and transmission range are inversely proportional to, under the transfer rate of 100KbpS, maximum communication distance can be reached, if longer distance need be transmitted, need to add 485 repeaters.The general maximum support of RS-485 bus 32 nodes, if use 485 special chips, can reach 128 or 256 nodes, maximum can support 400 nodes.
16 above-mentioned road current detecting systems, wherein said wireless data transfer module, it is connected with the pin 78,79,84 of U2 in MCU main control module, and by 433M wireless data mode, MODBUS communication protocol completes data communication, its Wireless Data Transmission medium adopts 433Mhz frequency range, the frequency of operation of data transmission module is 315M, employing sound table resonator SAW frequency stabilization, and frequency stability is high, when environment temperature changes between-25 ~+85 degree, frequently waft and be only 3ppm/ degree; Be particularly suitable for multiple one and receive wireless remote control and data transmission system; The frequency stability of sound table resonator is only second to crystal, and general LC oscillator frequency stabilizing degree and consistance poor, even if adopt high-quality trimmer, difference variation and vibration are also difficult to the frequency that guarantee mixed up and can not offset.
16 above-mentioned road current detecting systems, wherein said DC/DC power module, by PCB, provides electric power support to modules, and ensure that modules normally works, power supply mode comprises 1000V and turns 5V, and 5V turns isolation 5V etc.
Workflow of the present invention is as follows:
After system electrification, the first step carries out initialization, MCU main control module detects the working condition of each submodule, whether each voltage data mainly detecting DC/DC power module is normal, current sample module data parameter is set, the data parameters of digital quantity sampling module is set, whether normally detects wired data transfer module transfer path, whether normally detect wireless data transfer module transmission channel;
Second step, the data that MCU main control module real-time collecting current sample module and digital quantity sampling module are sent back, go forward side by side row relax and storage;
3rd step, MCU main control module receives the data acquisition command of wired data transfer module and wireless data transfer module, and will data packing, the encryption of current sample module and digital quantity sampling module be collected, send to wired data transfer module and wireless data transfer module.
Owing to have employed above technology, the present invention comparatively prior art or product compares, and the beneficial effect had is as follows:
1) can unmanned be realized, automatic discrimination fault branch, accelerate the repair time.
2) facilitate user to grasp the working condition of photovoltaic module string timely and accurately, ensure that photovoltaic generating system plays maximum effect, improve the reliability of system.
3) adopt isolation 485 to communicate, at power supply and signal dual resisteance, isolation strength is greater than DC3000V.Optimize anti-surge circuit scheme, can well surge current be avoided.
4) be applicable in intelligent junction box, DC power distribution cabinet, all kinds of current detecting equipment, applied range.
Accompanying drawing explanation
Fig. 1, be structured flowchart of the present invention.
Fig. 2, circuit diagram for MCU main control module of the present invention.
Fig. 3, circuit diagram for current sample module one of the present invention.
Fig. 4, circuit diagram for current sample module two of the present invention.
Fig. 5, be wired data transfer module circuit diagram of the present invention.
Fig. 6, circuit diagram for wireless data transfer module of the present invention.
Fig. 7, circuit diagram for data volume acquisition module of the present invention.
Fig. 8, circuit diagram for DC-DC power module of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.The present embodiment carries out under premised on technical solution of the present invention, gives detailed embodiment and process.Although with reference to preferred embodiment to invention has been detailed description; it will be understood by those skilled in the art that; still can modify to the specific embodiment of the present invention or equivalent replacement is carried out to portion of techniques feature; and not departing from the spirit of technical solution of the present invention, it all should be encompassed in the technical scheme scope of request of the present invention protection.
16 road current detecting systems, its structure is formed primarily of MCU main control module, DC/DC power module, current sample module, digital quantity sampling module, wired data transfer module, wireless data transfer module, wherein DC/DC power module is connected with MCU main control module by wire, current sample module, digital quantity sampling module are connected with MCU main control module respectively by analog/digital converter ADC, I/O GPIO, and wired data transfer module is connected with MCU main control module respectively by synchronous asynchronous transceiver USART with wireless data transfer module; And can realize each other controlling, by the data that current sample module, digital quantity sampling module are collected, after coding, encryption, form complete packet, pass through wired data transfer module transfer again to system background, realize data record and display, need not connect up, use wireless transport module to transmit data to backstage, and DC/DC power module provide electric power support for all equipment.
16 above-mentioned road current detecting systems, wherein said MCU main control module, its inside is provided with embedded-type ARM Cortex-M3 processor, ARM Cortex-M3 processor is the risc processor of 32, extra code efficiency is provided, usual 8 and sixteen-bit system storage space on obtain the high-performance of ARM core, platform, the number of pins of reduction, the system power dissipation of reduction of low cost can be provided for MCU main control module, remarkable calculated performance and the response of advanced interrupt system are provided simultaneously.
Further, the risc processor of described ARM Cortex-M3 32, its frequency of operation is 72MHz, internal high-speed memories, the flash memory of 128K byte and the internal memory SRAM of 20K byte, abundant enhancing I/O port and the peripheral hardware being connected to two APB buses, and device all comprises analog/digital converter ADC, 3 general 16 bit timing devices, 1 P timer WM of 2 12, also comprise standard and advanced communication interface: 2 I2C and serial communication interface SPI, 3 serial communication interface USART, 1 USB and 1 CAN interface.
The temperature range of STM32F103xx enhancement mode series of tasks in-40 ° of C to+105 ° of C, supply voltage 2.0V to 3.6V, a series of battery saving mode ensures the requirement of low-power consumption application.
16 above-mentioned road current detecting systems, wherein said electric current adopts module, and it is connected on 15 ~ 36 pins of MCU main control module U2, adopts Hall current sensor high current signal to be transformed into small-signal, for single-chip microcomputer identification; Generally Hall element output signal is 4-20mA, Single Chip Microcomputer (SCM) system acceptable signal is but the voltage signal of 0-2.5V, this just needs to use mimic channel Hall element signal to be converted to single-chip microcomputer can identification signal, and by adjustment parameter, find out the multiple proportions of actual value, more accurately technology current value.
16 above-mentioned road current detecting systems, wherein said digital data acquisition module, it is connected to pin 41-45, the 51-57 of U2 in MCU main control module, and comprising the collection etc. of temperature sensor data collection, the collection of lightning protection device duty, working state of circuit breaker, the data acquisition of temperature sensor is mainly through 1-Wire communication protocol; System is formed by connecting by a line from machine by a main frame and some; Main frame completes thus even powers to from the addressing of machine, control, data transmission; The collection etc. of the collection of lightning protection device duty, working state of circuit breaker all collects by universal input output pin GPIO.
16 above-mentioned road current detecting systems, wherein said wired data transfer module, it is connected with the pin 46,47,48 of U2 in MCU main control module, it is completed by industrial data transmission standard RS485 bus, RS485 bus adopts differential signal negative logic, logic " 1 " with the voltage difference of line-to-line for+(2 ~ 6) V represents; Logic " 0 " with the voltage difference of line-to-line for-(2 ~ 6) V represents; Data maximum transmission rate is 10Mbps, RS-485 interface is the combination adopting balance driver and difference, receiver, anti-common mode interference ability strengthens, maximum communication distance is about 1219m, and peak transfer rate is 10Mbps, and transfer rate and transmission range are inversely proportional to, under the transfer rate of 100KbpS, maximum communication distance can be reached, if longer distance need be transmitted, need to add 485 repeaters.The general maximum support of RS-485 bus 32 nodes, if use 485 special chips, can reach 128 or 256 nodes, maximum can support 400 nodes.
16 above-mentioned road current detecting systems, wherein said wireless data transfer module, it is connected with the pin 78,79,84 of U2 in MCU main control module, and by 433M wireless data mode, MODBUS communication protocol completes data communication, its Wireless Data Transmission medium adopts 433Mhz frequency range, the frequency of operation of data transmission module is 315M, employing sound table resonator SAW frequency stabilization, and frequency stability is high, when environment temperature changes between-25 ~+85 degree, frequently waft and be only 3ppm/ degree; Be particularly suitable for multiple one and receive wireless remote control and data transmission system; The frequency stability of sound table resonator is only second to crystal, and general LC oscillator frequency stabilizing degree and consistance poor, even if adopt high-quality trimmer, difference variation and vibration are also difficult to the frequency that guarantee mixed up and can not offset.
16 above-mentioned road current detecting systems, wherein said DC/DC power module, by PCB, provides electric power support to modules, and ensure that modules normally works, power supply mode comprises 1000V and turns 5V, and 5V turns isolation 5V etc.
Workflow of the present invention is as follows:
After system electrification, the first step carries out initialization, MCU main control module detects the working condition of each submodule, whether each voltage data mainly detecting DC/DC power module is normal, current sample module data parameter is set, the data parameters of digital quantity sampling module is set, whether normally detects wired data transfer module transfer path, whether normally detect wireless data transfer module transmission channel;
Second step, the data that MCU main control module real-time collecting current sample module and digital quantity sampling module are sent back, go forward side by side row relax and storage;
3rd step, MCU main control module receives the data acquisition command of wired data transfer module and wireless data transfer module, and will data packing, the encryption of current sample module and digital quantity sampling module be collected, send to wired data transfer module and wireless data transfer module.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (9)
1. 16 road current detecting systems, its structure is primarily of MCU main control module, DC/DC power module, current sample module, digital quantity sampling module, wired data transfer module, wireless data transfer module is formed, it is characterized in that: wherein DC/DC power module is connected with MCU main control module by wire, current sample module, digital quantity sampling module is respectively by analog/digital converter ADC, I/O GPIO is connected with MCU main control module, wired data transfer module is connected with MCU main control module respectively by synchronous asynchronous transceiver USART with wireless data transfer module, and can realize each other controlling, by the data that current sample module, digital quantity sampling module are collected, after coding, encryption, form complete packet, pass through wired data transfer module transfer again to system background, realize data record and display, need not connect up, use wireless transport module to transmit data to backstage, and DC/DC power module provide electric power support for all equipment.
2. 16 road current detecting systems as claimed in claim 1, it is characterized in that: described MCU main control module, its inside is provided with embedded-type ARM Cortex-M3 processor, ARM Cortex-M3 processor is the risc processor of 32, extra code efficiency is provided, 8 and sixteen-bit system storage space on obtain the high-performance of ARM core, platform, the number of pins of reduction, the system power dissipation of reduction of low cost can be provided for MCU main control module, remarkable calculated performance and the response of advanced interrupt system are provided simultaneously.
3. 16 road current detecting systems as claimed in claim 2, it is characterized in that: the risc processor of described ARM Cortex-M3 32, its frequency of operation is 72MHz, internal high-speed memories, the flash memory of 128K byte and the internal memory SRAM of 20K byte, abundant enhancing I/O port and the peripheral hardware being connected to two APB buses, and device all comprises the analog/digital converter ADC of 2 12, 3 general 16 bit timing devices, 1 P timer WM, also comprise standard and advanced communication interface: 2 I2C and serial communication interface SPI, 3 serial communication interface USART, 1 USB and 1 CAN interface.
4. 16 road current detecting systems as claimed in claim 1, it is characterized in that: described electric current adopts module, it is connected on 15 ~ 36 pins of MCU main control module U2, adopts Hall current sensor high current signal to be transformed into small-signal, for single-chip microcomputer identification; Hall element output signal is 4-20mA, Single Chip Microcomputer (SCM) system acceptable signal is but the voltage signal of 0-2.5V, this just needs to use mimic channel Hall element signal to be converted to single-chip microcomputer can identification signal, and by adjustment parameter, find out the multiple proportions of actual value, more accurately technology current value.
5. 16 road current detecting systems as claimed in claim 1, it is characterized in that: described digital data acquisition module, it is connected to pin 41-45, the 51-57 of U2 in MCU main control module, and comprising the collection of temperature sensor data collection, the collection of lightning protection device duty, working state of circuit breaker, the data acquisition of temperature sensor is mainly through 1-Wire communication protocol; System is formed by connecting by a line from machine by a main frame and some; Main frame completes thus even powers to from the addressing of machine, control, data transmission; The collection etc. of the collection of lightning protection device duty, working state of circuit breaker all collects by universal input output pin GPIO.
6. 16 road current detecting systems as claimed in claim 1, it is characterized in that: described wired data transfer module, it is connected with the pin 46,47,48 of U2 in MCU main control module, it is completed by industrial data transmission standard RS485 bus, RS485 bus adopts differential signal negative logic, logic " 1 " with the voltage difference of line-to-line for+(2 ~ 6) V represents; Logic " 0 " with the voltage difference of line-to-line for-(2 ~ 6) V represents; Data maximum transmission rate is 10Mbps, RS-485 interface is the combination adopting balance driver and difference, receiver, anti-common mode interference ability strengthens, maximum communication distance is 1219m, and peak transfer rate is 10Mbps, and transfer rate and transmission range are inversely proportional to, under the transfer rate of 100KbpS, maximum communication distance can be reached, if longer distance need be transmitted, need to add 485 repeaters.
7. 16 road current detecting systems as claimed in claim 1, it is characterized in that: described wireless data transfer module, it is connected with the pin 78,79,84 of U2 in MCU main control module, by 433M wireless data mode, MODBUS communication protocol completes data communication, its Wireless Data Transmission medium adopts 433Mhz frequency range, the frequency of operation of data transmission module is 315M, employing sound table resonator SAW frequency stabilization, frequency stability is high, when environment temperature changes between-25 ~+85 degree, frequently waft and be only 3ppm/ degree; Be particularly suitable for multiple one and receive wireless remote control and data transmission system; The frequency stability of sound table resonator is only second to crystal, and general LC oscillator frequency stabilizing degree and consistance poor, even if adopt high-quality trimmer, difference variation and vibration are also difficult to the frequency that guarantee mixed up and can not offset.
8. 16 road current detecting systems as claimed in claim 1, is characterized in that: described DC/DC power module, pass through PCB, electric power support is provided to modules, ensure that modules normally works, power supply mode comprises 1000V and turns 5V, and 5V turns isolation 5V.
9. 16 road current detecting systems as claimed in claim 1, is characterized in that: workflow of the present invention is as follows:
After system electrification, the first step carries out initialization, MCU main control module detects the working condition of each submodule, whether each voltage data mainly detecting DC/DC power module is normal, current sample module data parameter is set, the data parameters of digital quantity sampling module is set, whether normally detects wired data transfer module transfer path, whether normally detect wireless data transfer module transmission channel;
Second step, the data that MCU main control module real-time collecting current sample module and digital quantity sampling module are sent back, go forward side by side row relax and storage;
3rd step, MCU main control module receives the data acquisition command of wired data transfer module and wireless data transfer module, and will data packing, the encryption of current sample module and digital quantity sampling module be collected, send to wired data transfer module and wireless data transfer module.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510247731.0A CN104931769A (en) | 2015-05-15 | 2015-05-15 | 16-path current detection system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510247731.0A CN104931769A (en) | 2015-05-15 | 2015-05-15 | 16-path current detection system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN104931769A true CN104931769A (en) | 2015-09-23 |
Family
ID=54119030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510247731.0A Pending CN104931769A (en) | 2015-05-15 | 2015-05-15 | 16-path current detection system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104931769A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106124831A (en) * | 2016-07-20 | 2016-11-16 | 昆山沃优自动化设备科技有限公司 | A kind of heating tube current detection device |
CN106770638A (en) * | 2017-03-09 | 2017-05-31 | 上海兰宝传感科技股份有限公司 | A kind of current vortex sensor |
CN107942136A (en) * | 2016-10-13 | 2018-04-20 | 霍斯特·西德勒两合公司 | Electrical Measurement System and its method of work |
CN108418544A (en) * | 2017-02-09 | 2018-08-17 | 泰科电子(上海)有限公司 | Solar panel terminal box and solar power system |
CN108538134A (en) * | 2018-06-05 | 2018-09-14 | 成都高阳信息技术有限公司 | A kind of army's assassination combat training examination assessment system |
CN110687891A (en) * | 2019-10-11 | 2020-01-14 | 无锡沃尔福汽车技术有限公司 | Stock transfer testing method for rack based on android native technology |
CN111930034A (en) * | 2020-07-20 | 2020-11-13 | 安徽联维新能源科技有限公司 | Solar photovoltaic monitoring system |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102122139A (en) * | 2010-12-22 | 2011-07-13 | 广东电网公司电力科学研究院 | Distribution automation terminal and AC (Alternating Current) sampling channel expansion method thereof |
CN202085097U (en) * | 2011-02-17 | 2011-12-21 | 博耳(宜兴)电力成套有限公司 | Intelligent controller for photovoltaic confluence box |
CN202119876U (en) * | 2011-06-27 | 2012-01-18 | 天津大学 | Photovoltaic array fault diagnosis monitoring box |
CN202171616U (en) * | 2011-05-09 | 2012-03-21 | 长沙理工大学 | Photovoltaic array conflux measurement and control apparatus |
CN102520683A (en) * | 2011-12-02 | 2012-06-27 | 珈伟太阳能科技(上海)有限公司 | Energy source monitoring cloud platform for photovoltaic system |
CN202522262U (en) * | 2012-03-08 | 2012-11-07 | 珈伟太阳能科技(上海)有限公司 | Photovoltaic integrated information acquisition and control device based on photovoltaic power station information system |
CN202649334U (en) * | 2012-04-13 | 2013-01-02 | 珈伟太阳能科技(上海)有限公司 | Alternating current collector based on information system of photovoltaic power station |
CN202797008U (en) * | 2012-06-12 | 2013-03-13 | 特变电工新疆新能源股份有限公司 | Photovoltaic array combiner box |
CN103278780A (en) * | 2013-04-25 | 2013-09-04 | 湖南科比特新能源电气技术有限公司 | Photovoltaic module matrix monitor |
CN104301367A (en) * | 2014-03-14 | 2015-01-21 | 同济大学 | Communication method between remote unit and power amplifier of digital multipoint distribution system |
CN104582128A (en) * | 2014-10-08 | 2015-04-29 | 国网辽宁省电力有限公司葫芦岛供电公司 | Night vision illuminating device for overhead power transmission line |
-
2015
- 2015-05-15 CN CN201510247731.0A patent/CN104931769A/en active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102122139A (en) * | 2010-12-22 | 2011-07-13 | 广东电网公司电力科学研究院 | Distribution automation terminal and AC (Alternating Current) sampling channel expansion method thereof |
CN202085097U (en) * | 2011-02-17 | 2011-12-21 | 博耳(宜兴)电力成套有限公司 | Intelligent controller for photovoltaic confluence box |
CN202171616U (en) * | 2011-05-09 | 2012-03-21 | 长沙理工大学 | Photovoltaic array conflux measurement and control apparatus |
CN202119876U (en) * | 2011-06-27 | 2012-01-18 | 天津大学 | Photovoltaic array fault diagnosis monitoring box |
CN102520683A (en) * | 2011-12-02 | 2012-06-27 | 珈伟太阳能科技(上海)有限公司 | Energy source monitoring cloud platform for photovoltaic system |
CN202522262U (en) * | 2012-03-08 | 2012-11-07 | 珈伟太阳能科技(上海)有限公司 | Photovoltaic integrated information acquisition and control device based on photovoltaic power station information system |
CN202649334U (en) * | 2012-04-13 | 2013-01-02 | 珈伟太阳能科技(上海)有限公司 | Alternating current collector based on information system of photovoltaic power station |
CN202797008U (en) * | 2012-06-12 | 2013-03-13 | 特变电工新疆新能源股份有限公司 | Photovoltaic array combiner box |
CN103278780A (en) * | 2013-04-25 | 2013-09-04 | 湖南科比特新能源电气技术有限公司 | Photovoltaic module matrix monitor |
CN104301367A (en) * | 2014-03-14 | 2015-01-21 | 同济大学 | Communication method between remote unit and power amplifier of digital multipoint distribution system |
CN104582128A (en) * | 2014-10-08 | 2015-04-29 | 国网辽宁省电力有限公司葫芦岛供电公司 | Night vision illuminating device for overhead power transmission line |
Non-Patent Citations (4)
Title |
---|
付汉东 等: "闭环霍尔电流传感器在光伏汇流箱中的应用", 《湖北电力》 * |
张相明: "一种新型光伏发电智能防雷汇流箱的设计与研究", 《沈阳工程学院学报( 自然科学版)》 * |
沙涛 等: "太阳能光伏汇流箱监测系统设计", 《电子科技》 * |
秦逸平 等: "光伏电站工作状态无线监测系统设计", 《信息与电脑(理论版) 》 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106124831A (en) * | 2016-07-20 | 2016-11-16 | 昆山沃优自动化设备科技有限公司 | A kind of heating tube current detection device |
CN107942136A (en) * | 2016-10-13 | 2018-04-20 | 霍斯特·西德勒两合公司 | Electrical Measurement System and its method of work |
CN107942136B (en) * | 2016-10-13 | 2021-07-13 | 霍斯特·西德勒两合公司 | Electrical measuring system and working method thereof |
CN108418544A (en) * | 2017-02-09 | 2018-08-17 | 泰科电子(上海)有限公司 | Solar panel terminal box and solar power system |
CN106770638A (en) * | 2017-03-09 | 2017-05-31 | 上海兰宝传感科技股份有限公司 | A kind of current vortex sensor |
CN108538134A (en) * | 2018-06-05 | 2018-09-14 | 成都高阳信息技术有限公司 | A kind of army's assassination combat training examination assessment system |
CN110687891A (en) * | 2019-10-11 | 2020-01-14 | 无锡沃尔福汽车技术有限公司 | Stock transfer testing method for rack based on android native technology |
CN111930034A (en) * | 2020-07-20 | 2020-11-13 | 安徽联维新能源科技有限公司 | Solar photovoltaic monitoring system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104931769A (en) | 16-path current detection system | |
CN202854569U (en) | Solar photovoltaic assembly level monitoring system | |
CN202734417U (en) | A refrigerator temperature controller having functions of reducing power consumption in a peak period and increasing power consumption in a valley period | |
US11658488B2 (en) | Photovoltaic power optimization system | |
CN102231706A (en) | Multi-protocol Ethernet switch for mines | |
CN105809938A (en) | Photovoltaic power station cell panel power line carrier monitoring system | |
CN208607782U (en) | A kind of solar panel automatic monitoring system | |
CN210693974U (en) | Bridge monitoring sensor system based on Can bus | |
CN205123678U (en) | A photovoltaic inverter system | |
CN203435003U (en) | Fiber board card power supply device | |
CN202979026U (en) | Industrial-Ethernet multi-function double serial port server based on MCF52233 chip | |
CN201550141U (en) | Data conversion unit based on IEC61850 protocol | |
CN202906911U (en) | EPON-based electric energy meter optical fiber communication module | |
CN201259630Y (en) | Energy saving type communication power supply | |
CN218162869U (en) | Digital display wireless RS485 data transmission device | |
CN203399123U (en) | Optical fiber data card adopting secondary step-down power supply | |
CN205139237U (en) | Exchange collection flow box monitoring devices | |
CN105429587A (en) | Cascade power optimizer of solar power station | |
CN108711277A (en) | A kind of solar panel automatic monitoring system | |
CN204029145U (en) | A kind of photovoltaic data acquisition transmission communication equipment | |
CN204423626U (en) | Photovoltaic plant power line-carrier intelligent concentrator | |
CN214177265U (en) | Inverter data monitoring system | |
CN204046511U (en) | A kind of gain-type Intelligent photovoltaic combiner box | |
CN203326039U (en) | Fuel cell monitoring system | |
CN203423683U (en) | Electricity meter data transceiving terminal with high stability |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150923 |
|
WD01 | Invention patent application deemed withdrawn after publication |