CN104459406A - State monitoring terminal processing device - Google Patents

State monitoring terminal processing device Download PDF

Info

Publication number
CN104459406A
CN104459406A CN201410760305.2A CN201410760305A CN104459406A CN 104459406 A CN104459406 A CN 104459406A CN 201410760305 A CN201410760305 A CN 201410760305A CN 104459406 A CN104459406 A CN 104459406A
Authority
CN
China
Prior art keywords
module
pin
power
chip
monitoring terminal
Prior art date
Application number
CN201410760305.2A
Other languages
Chinese (zh)
Other versions
CN104459406B (en
Inventor
吕启深
姚森敬
李林发
章彬
胡子珩
林火华
黄荣辉
黄炜昭
张�林
刘顺桂
李勋
欧灶军
邓世聪
伍国兴
邓琨
Original Assignee
深圳供电局有限公司
深圳市康拓普信息技术有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 深圳供电局有限公司, 深圳市康拓普信息技术有限公司 filed Critical 深圳供电局有限公司
Priority to CN201410760305.2A priority Critical patent/CN104459406B/en
Publication of CN104459406A publication Critical patent/CN104459406A/en
Application granted granted Critical
Publication of CN104459406B publication Critical patent/CN104459406B/en

Links

Abstract

The invention discloses a state monitoring terminal processing device which is used for a smart power grid. The state monitoring terminal processing device comprises an ARM operation processing unit, a power control module, an RS232 interface module, an RS485 interface module, a ZieBee communication module, an Ethernet interface module, a GPRS timing module, a FLASH module, an SDRAM module, an EEPROM module and an RTC clock module, wherein the power control module, the RS232 interface module, the RS485 interface module, the ZieBee communication module, the Ethernet interface module, the GPRS timing module, the FLASH module, the SDRAM module, the EEPROM module and the RTC clock module are in bidirectional connection with the ARM operation processing unit. The state monitoring terminal processing device further comprises a first power module and a power isolation module connected between the first power module and the RS485 interface module. The state monitoring terminal processing device has the advantages of being high in universality, flexible in networking, high in practicability and the like, and has the high popularization value.

Description

A kind of status monitoring terminal processing device
Technical field
The invention belongs to intelligent grid Condition Monitoring Technology field, particularly relate to a kind of status monitoring terminal processing device.
Background technology
The safety of equipment is the basis of power grid security, stable, reliability service, carries out effectively, detection and diagnosis accurately to equipment, is the effective way improving power supply reliability and operation of power networks intelligent level.Along with electrical network and electric system are to super (spy) high pressure, Large Copacity, Iarge-scale system fast development, require also more and more higher to safe reliability, electric system is in the urgent need to power transmission and transformation equipment state monitoring and diagnosis technology more accurately and rapidly.
In recent years, electric network state monitoring at home and abroad progressively launches with Condition-Based Maintenance Technology, and obtains remarkable achievement, and a large amount of state monitoring apparatus comes into operation.But current state monitoring apparatus can only complete a kind of status monitoring of primary equipment usually, versatility is not strong.
Summary of the invention
Technical matters to be solved by this invention is, provide a kind of status monitoring terminal processing device, it provides multiple systems networking mode, data access, can complete the monitoring function of multiple primary equipment, and all the other state monitoring apparatus in accessible station.
In order to solve the problems of the technologies described above, the embodiment of the present invention provides a kind of status monitoring terminal processing device, for intelligent grid, comprising:
ARM operation processing unit;
Module, FLASH, SDRAM, EEPROM, RTC clock module when the energy supply control module be bi-directionally connected with described ARM operation processing unit, RS232 interface module, RS485 interface module, ZieBee communication module, ethernet interface module, GPRS school;
Wherein, described energy supply control module is used for 12V Power convert to become 3.3V, powers to described ARM operation processing unit;
Comprise further:
First power module, and the power isolation module be connected between described first power module and RS485 interface module, wherein, 12V Power convert is become 5V by described first power module, and through the light-coupled isolation of power isolation module, power to described RS485 interface module.
Preferably, described ARM operation processing unit adopts the AT91SAM9X25 chip of Atmel company, and its dominant frequency is 400MHz, adopts LINUX operating system.
Preferably, described RS232 interface module comprises:
RS232 chip, its input pin connects the output pin PA10TXD of described AT91SAM9X25 chip, and its output pin connects the input pin PA10RXD of described AT91SAM9X25 chip;
Debugging pin TIOUT, R1IN of described RS232 chip are connected to two debugging pin DEBUG TXD of a debugging interface DB9 respectively by a resistance, are serially connected with stabilivolt D73, D75 respectively between two debugging pin of DEBUG RXD, described debugging interface DB9 and ground;
Filter capacitor C98, C97, C96 is serially connected with respectively between VCC, V-and V+ pin of described RS232 chip and ground.
Preferably, described RS485 interface module at least comprises:
RS485 driving chip MAX3082, its pin DE, DI are connected with transmitting-receiving pin USART RTX, USARTTXD of described AT91SAM9X25 chip by the first isolation optocoupler;
The power supply of described RS485 driving chip is from the 5V power supply of described power isolation module.
Preferably, described ZieBee communication module at least comprises:
APC320 chip, its RXD pin is connected with the UART0 TXD pin of described AT91SAM9X25 chip, and its TXD pin is connected with the UART0 RXD pin of described AT91SAM9X25 chip;
Described APC320 chip has two mode of operations and arranges pin SETA, SETB, arranges four kinds of mode of operations: normal mode, awakening mode, battery saving mode, park mode by the described level arranging pin SETA, SETB; Described pin SET_A and SET_B is set all and be serially connected with a pull-up resistor between VCC and ground.
Preferably, described first power module is all connected the output terminal of a Switching Power Supply with the input end of described energy supply control module, receives 12V power supply;
Described first power module comprises the transducer of 12V-5V, and and be connected at least one filter capacitor;
Described energy supply control module comprises the transducer of 12V-3.3V, and and be connected at least one filter capacitor;
Described power isolation module comprises isolation optocoupler ZY0505FM, and and is connected at least one filter capacitor.
Preferably, described RS485 interface module, ethernet interface module, ZieBee communication module communicate with the state monitoring apparatus of primary equipment, receive the data that gather, the state monitoring apparatus of described primary equipment comprise following at least one: monitoring device, infrared temperature measurement apparatus, microclimate monitoring device, shaft tower device for monitoring inclination, cable partial discharge monitoring device are put in transformer oil chromatographic monitoring device, GIS office.
Preferably, during described GPRS school, module adopts M580z chip; Application program is pre-stored within described FLASH, and system configuration information is pre-stored within described EEPROM.
Implement the present invention, there is following beneficial effect:
First, status monitoring terminal processing device of the present invention can be accessed by the various state monitoring apparatus of each producer, such as monitoring device, infrared temperature measurement apparatus, microclimate monitoring device, shaft tower device for monitoring inclination, cable partial discharge monitoring device etc. are put, strong adaptability in transformer oil chromatographic monitoring device, GIS office;
In addition, status monitoring terminal processing device of the present invention supports multiple networking mode, comprises wireless, Ethernet, serial ports, utilizes a treating apparatus can complete the status monitoring function of multiple primary equipment, supports that various types of communication mode accesses;
Secondly, status monitoring terminal processing device of the present invention can adopt ZieBee node to carry out networking, can realize the transmission network of low cost, low-power consumption, Multi net voting route;
Therefore the feature such as status monitoring terminal processing device of the present invention has highly versatile, networking flexibility, practical, there is stronger promotional value.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the hardware structure diagram of a kind of status monitoring terminal processing device provided by the invention;
Fig. 2 is the circuit diagram of an embodiment of RS232 interface module in Fig. 1;
Fig. 3 is the circuit diagram of an embodiment of RS485 interface module in Fig. 1;
Fig. 4 is the circuit diagram of an embodiment of ZieBee communication module in Fig. 1;
Fig. 5 is the circuit diagram of an embodiment of energy supply control module in Fig. 1;
Fig. 6 is the circuit diagram of an embodiment of the first power module in Fig. 1;
Fig. 7 is the circuit diagram of an embodiment of power isolation module in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, the hardware structure diagram of a kind of status monitoring terminal processing device provided by the invention is shown; This status monitoring terminal processing device is used in intelligent network, and it comprises:
ARM operation processing unit;
Module, FLASH, SDRAM, EEPROM and RTC clock module when the energy supply control module be bi-directionally connected with described ARM operation processing unit, RS232 interface module, RS485 interface module, ZieBee communication module, ethernet interface module, GPRS school, ARM operation processing unit and these modules above-mentioned carry out being bi-directionally connected and controlling them;
Wherein, described energy supply control module is used for 12V Power convert to become 3.3V, powers to described ARM operation processing unit;
Comprise further:
First power module, and the power isolation module be connected between described first power module and RS485 interface module, wherein, 12V Power convert is become 5V by described first power module, and through the light-coupled isolation of power isolation module, power to described RS485 interface module.
Wherein, described RS485 interface module, ethernet interface module, ZieBee communication module communicate with the state monitoring apparatus of primary equipment, receive the data that gather, the state monitoring apparatus of described primary equipment comprise following at least one: monitoring device, infrared temperature measurement apparatus, microclimate monitoring device, shaft tower device for monitoring inclination, cable partial discharge monitoring device are put in transformer oil chromatographic monitoring device, GIS office.
Particularly, ARM operation processing unit can adopt the AT91SAM9X25 chip of Atmel company, and dominant frequency is 400MHz, and it adopts LINUX operating system.
Wherein FLASH adopts the K9F2G08x0B chip of Samsung, for storing application program.EEPROM adopts the AT24C512BN-SH25 chip of Atmel company, for storage system configuration information.RS232 interface module, RS485 interface module adopt MAX3232 chip and the MAX3082 chip of Maxim respectively, and ethernet interface module adopts DM9161 chip.
ZieBee communication module adopts APC320 wireless receiving chip, ZieBee communication module adopts reticulate texture to carry out networking, this structural advantages is that network is very healthy and strong, many channel transmission datas can be passed through between any two nodes simultaneously, even if part of nodes breaks down, still carry out data transmission by other passages.
During GPRS school, module adopts M580z chip, can be used for the wireless transmission with main station system.
Application program prestores to FLASH, system configuration information prestores to EEPROM, after the system electrification of this status monitoring terminal processing device, application program, configuration information are loaded into internal memory (SDRAM) by ARM operation processing unit, and initialization is carried out to modules, ensure the normal operation of system.By RS485 interface module, ethernet interface module, ZieBee communication module acquisition state Monitoring Data, and carried out computing by ARM operation processing unit, store, compared.Simultaneously ARM operation processing unit is coordinated inner core bus and is communicated with synergetic unit (not shown), result of calculation is sent to synergetic unit, the information such as state evaluation result to be sent in network other condition monitoring system by synergetic unit, and the state evaluation information received from other condition monitoring systems, again in conjunction with network topology, the primary equipment running status of oneself state monitoring system, comprehensively carry out assignment decisions and run controlling, and usual formulation system O&M strategy.
Please in the lump shown in composition graphs 2 to Fig. 7, the circuit diagram of each module in Fig. 1 is described as follows:
As shown in Figure 2, be the circuit diagram of RS232 interface module in Fig. 1.
Wherein, described RS232 interface module comprises:
RS232 chip, its input pin connects the output pin PA10TXD of described AT91SAM9X25 chip, its output pin connects the input pin PA10RXD of described AT91SAM9X25 chip, thus ARM operation processing unit realizes the control to the input and output of RS232 interface module;
Debugging pin TIOUT, R1IN of described RS232 chip are connected to two debugging pin DEBUG TXD, the DEBUG RXD of a debugging interface DB9 respectively by a resistance, stabilivolt D73, D75 is serially connected with respectively between two debugging pin of described debugging interface DB9 and ground, wherein, debugging interface DB9 is used for equipment debugging or access, and stabilivolt is used for preventing surge;
Filter capacitor C98, C97, C96 is serially connected with respectively between VCC, V-and V+ pin of described RS232 chip and ground.
As shown in Figure 3, be the circuit diagram of RS485 interface module in Fig. 1.
Wherein, described RS485 interface module at least comprises:
RS485 driving chip MAX3082, its pin DE, DI are connected with transmitting-receiving pin USART RTX, USARTTXD of described AT91SAM9X25 chip by the first isolation optocoupler (see HCPL-0630 in figure); Making directly not to be electrically connected between ARM operation processing unit with RS485 interface module two parts circuit, the interference caused because there being electrical connection can being prevented;
The power supply of described RS485 driving chip from the 5V power supply of described power isolation module, and seals in 3.3K Ω resistance, strengthens its driving force.
As shown in Figure 4, be the circuit diagram of ZieBee communication module in Fig. 1.
Wherein, described ZieBee communication module at least comprises:
APC320 chip, its RXD pin is connected with the UART0 TXD pin of described AT91SAM9X25 chip, and its TXD pin is connected with the UART0 RXD pin of described AT91SAM9X25 chip, thus realizes being bi-directionally connected; Wherein, APC320 chip is highly integrated low-power consumption half-duplex low-power wireless data transmission module, it embeds high-speed low-power-consumption single-chip microcomputer and high-performance radio-frequency chip SI4463, the employing of innovation circulates intertexture error correction and detection coding efficiently, and anti-interference and sensitivity improves all greatly, and APC320 module provides the selection of multiple channel, can online modification serial ports speed, transmitting-receiving frequency, emissive power, the various parameters such as radio frequency speed;
Described APC320 chip has two mode of operations and arranges pin SETA, SETB, arranges four kinds of mode of operations: normal mode, awakening mode, battery saving mode, park mode by the described level arranging pin SETA, SETB; Describedly arrange pin SET_A and SET_B all and be serially connected with a pull-up resistor between VCC and ground, the resistance of the pull-up resistor shown in figure is 4.7K Ω.
Fig. 5 is the circuit diagram of an embodiment of energy supply control module in Fig. 1;
The input end of described energy supply control module connects the output terminal of a Switching Power Supply (not shown), receives 12V power supply; Described energy supply control module comprises the transducer of 12V-3.3V, for 12V Power convert being become the 3.3V of ARM operation processing unit work, at least one filter capacitor (there is shown C22, C30, C23) is connected to, to ensure the stable of output voltage in this energy supply control module
Fig. 6 is the circuit diagram of an embodiment of the first power module in Fig. 1;
The input end of described first power module connects the output terminal of a Switching Power Supply (not shown), receives 12V power supply; Described first power module comprises the transducer of 12V-5V, for 12V Power convert being become the 5V of RS485 interface module work, at least one filter capacitor (there is shown C20, C26, C21) is connected to, to ensure the stable of output voltage in this first power module.
Fig. 7 is the circuit diagram of an embodiment of power isolation module in Fig. 1.
Described power isolation module is connected between the first power module and RS485 interface module, it comprises isolation optocoupler ZY0505FM, and and be connected at least one filter capacitor (there is shown C2, C25, C27), it receives the 5V power supply from the first power module, and through isolating the isolation of optocoupler, be delivered to RS485 interface module.
Implement the present invention, there is following beneficial effect:
First, status monitoring terminal processing device of the present invention can be accessed by the various state monitoring apparatus of each producer, such as monitoring device, infrared temperature measurement apparatus, microclimate monitoring device, shaft tower device for monitoring inclination, cable partial discharge monitoring device etc. are put, strong adaptability in transformer oil chromatographic monitoring device, GIS office;
In addition, status monitoring terminal processing device of the present invention supports multiple networking mode, comprises wireless, Ethernet, serial ports, utilizes a treating apparatus can complete the status monitoring function of multiple primary equipment, supports that various types of communication mode accesses;
Secondly, status monitoring terminal processing device of the present invention can adopt ZieBee node to carry out networking, can realize the transmission network of low cost, low-power consumption, Multi net voting route.
Therefore the feature such as status monitoring terminal processing device of the present invention has highly versatile, networking flexibility, practical, there is stronger promotional value.
Above disclosedly be only a kind of preferred embodiment of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.

Claims (8)

1. a status monitoring terminal processing device, for intelligent grid, is characterized in that comprising:
ARM operation processing unit;
Module, FLASH, SDRAM, EEPROM, RTC clock module when the energy supply control module be bi-directionally connected with described ARM operation processing unit, RS232 interface module, RS485 interface module, ZieBee communication module, ethernet interface module, GPRS school;
Wherein, described energy supply control module is used for 12V Power convert to become 3.3V, powers to described ARM operation processing unit;
Comprise further:
First power module, and the power isolation module be connected between described first power module and RS485 interface module, wherein, 12V Power convert is become 5V by described first power module, and through the light-coupled isolation of power isolation module, power to described RS485 interface module.
2. status monitoring terminal processing device as claimed in claim 1, is characterized in that, described ARM operation processing unit adopts the AT91SAM9X25 chip of Atmel company, and its dominant frequency is 400MHz, adopts LINUX operating system.
3. status monitoring terminal processing device as claimed in claim 1, it is characterized in that, described RS232 interface module comprises:
RS232 chip, its input pin connects the output pin PA10TXD of described AT91SAM9X25 chip, and its output pin connects the input pin PA10RXD of described AT91SAM9X25 chip;
Debugging pin TIOUT, R1IN of described RS232 chip are connected to two debugging pin DEBUG TXD of a debugging interface DB9 respectively by a resistance, are serially connected with stabilivolt D73, D75 respectively between two debugging pin of DEBUG RXD, described debugging interface DB9 and ground;
Filter capacitor C98, C97, C96 is serially connected with respectively between VCC, V-and V+ pin of described RS232 chip and ground.
4. the status monitoring terminal processing device as described in any one of claims 1 to 3, is characterized in that, described RS485 interface module at least comprises:
RS485 driving chip MAX3082, its pin DE, DI are connected with transmitting-receiving pin USART RTX, USARTTXD of described AT91SAM9X25 chip by the first isolation optocoupler;
The power supply of described RS485 driving chip is from the 5V power supply of described power isolation module.
5. status monitoring terminal processing device as claimed in claim 4, it is characterized in that, described ZieBee communication module at least comprises:
APC320 chip, its RXD pin is connected with the UART0 TXD pin of described AT91SAM9X25 chip, and its TXD pin is connected with the UART0 RXD pin of described AT91SAM9X25 chip;
Described APC320 chip has two mode of operations and arranges pin SETA, SETB, arranges four kinds of mode of operations: normal mode, awakening mode, battery saving mode, park mode by the described level arranging pin SETA, SETB; Described pin SET_A and SET_B is set all and be serially connected with a pull-up resistor between VCC and ground.
6. status monitoring terminal processing device as claimed in claim 5, it is characterized in that, described first power module is all connected the output terminal of a Switching Power Supply with the input end of described energy supply control module, receives 12V power supply;
Described first power module comprises the transducer of 12V-5V, and and be connected at least one filter capacitor;
Described energy supply control module comprises the transducer of 12V-3.3V, and and be connected at least one filter capacitor;
Described power isolation module comprises isolation optocoupler ZY0505FM, and and is connected at least one filter capacitor.
7. status monitoring terminal processing device as claimed in claim 6, it is characterized in that, described RS485 interface module, ethernet interface module, ZieBee communication module communicate with the state monitoring apparatus of primary equipment, receive the data that gather, the state monitoring apparatus of described primary equipment comprise following at least one: monitoring device, infrared temperature measurement apparatus, microclimate monitoring device, shaft tower device for monitoring inclination, cable partial discharge monitoring device are put in transformer oil chromatographic monitoring device, GIS office.
8. status monitoring terminal processing device as claimed in claim 7, is characterized in that, during described GPRS school, module adopts M580z chip; Application program is pre-stored within described FLASH, and system configuration information is pre-stored within described EEPROM.
CN201410760305.2A 2014-12-12 2014-12-12 A kind of status monitoring terminal processing device CN104459406B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410760305.2A CN104459406B (en) 2014-12-12 2014-12-12 A kind of status monitoring terminal processing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410760305.2A CN104459406B (en) 2014-12-12 2014-12-12 A kind of status monitoring terminal processing device

Publications (2)

Publication Number Publication Date
CN104459406A true CN104459406A (en) 2015-03-25
CN104459406B CN104459406B (en) 2018-06-26

Family

ID=52905776

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410760305.2A CN104459406B (en) 2014-12-12 2014-12-12 A kind of status monitoring terminal processing device

Country Status (1)

Country Link
CN (1) CN104459406B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105699827A (en) * 2016-04-26 2016-06-22 国网河南省电力公司电力科学研究院 Intelligent power transmission line comprehensive monitoring and analysis and integrated operation and maintenance system
CN106773946A (en) * 2016-12-12 2017-05-31 恒信大友(北京)科技有限公司 A kind of logic control method of dynamic characteristic test master control borad

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2629145Y (en) * 2003-01-20 2004-07-28 北京安控科技发展有限公司 RS-232 /RS-485 semi-duplex signal switching circuit
EP1722341A1 (en) * 2004-02-29 2006-11-15 Netac Technology Co., Ltd. A system for controlling household digital equipment based of wireless
EP1992389A1 (en) * 2007-05-18 2008-11-19 MNT Innovations Pty Ltd Improved sports sensor
CN101807058A (en) * 2010-03-26 2010-08-18 清华大学 Operational information recording and fault analysis apparatus for hybrid electric vehicle power train
CN202838671U (en) * 2012-09-10 2013-03-27 江阴长仪集团有限公司 Centralized meter reading terminal supporting remote upgrade and information two-way transmission
CN203405516U (en) * 2013-08-06 2014-01-22 江苏理工学院 Electric energy quality monitor terminal based on ZigBee technology
CN204256077U (en) * 2014-12-12 2015-04-08 深圳供电局有限公司 A kind of status monitoring terminal processing device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2629145Y (en) * 2003-01-20 2004-07-28 北京安控科技发展有限公司 RS-232 /RS-485 semi-duplex signal switching circuit
EP1722341A1 (en) * 2004-02-29 2006-11-15 Netac Technology Co., Ltd. A system for controlling household digital equipment based of wireless
EP1992389A1 (en) * 2007-05-18 2008-11-19 MNT Innovations Pty Ltd Improved sports sensor
CN101807058A (en) * 2010-03-26 2010-08-18 清华大学 Operational information recording and fault analysis apparatus for hybrid electric vehicle power train
CN202838671U (en) * 2012-09-10 2013-03-27 江阴长仪集团有限公司 Centralized meter reading terminal supporting remote upgrade and information two-way transmission
CN203405516U (en) * 2013-08-06 2014-01-22 江苏理工学院 Electric energy quality monitor terminal based on ZigBee technology
CN204256077U (en) * 2014-12-12 2015-04-08 深圳供电局有限公司 A kind of status monitoring terminal processing device

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
APPCON TECHNOLOGIES: "APC320", 《百度文库》 *
ATMEL CORPORATION: "AT91SAM9X25", 《AT91SAM9X25 *
MAXIM INTEGRATED: "MAX3080-MAX3089", 《MAX3080-MAX3089 *
MAXIM INTEGRATED: "MAX3222/MAX3232/MAX3237/MAX3241", 《MAX3222/MAX3232/MAX3237/MAX3241 *
张福文: "基于ARM9的物联网智能网关设计", 《中国优秀硕士学位论文全文数据库信息科技辑》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105699827A (en) * 2016-04-26 2016-06-22 国网河南省电力公司电力科学研究院 Intelligent power transmission line comprehensive monitoring and analysis and integrated operation and maintenance system
CN106773946A (en) * 2016-12-12 2017-05-31 恒信大友(北京)科技有限公司 A kind of logic control method of dynamic characteristic test master control borad

Also Published As

Publication number Publication date
CN104459406B (en) 2018-06-26

Similar Documents

Publication Publication Date Title
CN104602404B (en) LED lighting apparatus, wireless mesh network and control method thereof
CN102495565B (en) Phased array radar antenna beam control device
CN103607344B (en) Based on PLC intelligent domestic gateway devices
CN102387022B (en) A kind of POE method and apparatus
JP3127347U (en) Programmable logic controller with power frequency carrier
CN103019234B (en) Battery management and acquisition subsystem of new energy vehicle and method for controlling battery management and acquisition subsystem
CN103625647B (en) A kind of airborne integrated data loads transmitting device
CN102592431B (en) Meter reading system and method thereof
CN104836344B (en) Monitoring system of distribution transformer based on WIFI radio communications
CN102354175B (en) Remote I/O (input/output) control system of Modbus fieldbus DI-16-route monitor
CN202794497U (en) On-site comprehensive detection equipment for electric energy information acquisition terminal
CN100504211C (en) Central air conditioner controller of radio frequency radio data communication and its communication setting method
CN102840992B (en) Satellite-borne self-testing method based on satellite network
CN103033757A (en) Battery-monitoring device
CN203249900U (en) On-line monitoring device of transformer oil chromatograph
CN103578232B (en) Bus-type gas-monitoring and alarm control system and method
CN203520139U (en) ZigBee-based intelligent diagnosis system for cluster motor fault
CN102435838A (en) Basic electric quantity type energy-efficiency data collecting terminal
CN102325065A (en) Double-channel digital family control and interaction system and implementation method thereof
CN203338121U (en) Electric appliance switch identification and control circuit based on active RFID technology
CN204760677U (en) Intelligence plug
CN203882187U (en) Wireless household network system
CN104914817A (en) Intelligent household central-control control system based on household instrument and intelligent household central-control control method
CN101762333B (en) High-voltage power line wireless temperature acquisition system
CN104123825A (en) Method and system for communication between mobile communication terminal and instrument

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant