CN104459406B - State monitoring terminal processing device - Google Patents

State monitoring terminal processing device Download PDF

Info

Publication number
CN104459406B
CN104459406B CN201410760305.2A CN201410760305A CN104459406B CN 104459406 B CN104459406 B CN 104459406B CN 201410760305 A CN201410760305 A CN 201410760305A CN 104459406 B CN104459406 B CN 104459406B
Authority
CN
China
Prior art keywords
module
chips
power
interface
pin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201410760305.2A
Other languages
Chinese (zh)
Other versions
CN104459406A (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
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Power Supply Co ltd
Shenzhen Comtop Information Technology Co Ltd
Original Assignee
Shenzhen Power Supply Co ltd
Shenzhen Comtop Information Technology Co Ltd
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 Shenzhen Power Supply Co ltd, Shenzhen Comtop Information Technology Co Ltd filed Critical Shenzhen Power Supply Co ltd
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
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Power Sources (AREA)

Abstract

the invention discloses a state monitoring terminal processing device which is used for an intelligent power grid and comprises an ARM operation processing unit, a power supply control module, an RS232 interface module, an RS485 interface module, a ZieBee communication module, an Ethernet interface module, a GPRS timing module, an F L ASH, an SDRAM, an EEPROM and an RTC clock module which are connected with the ARM operation processing unit in a two-way mode, and further comprises a first power supply module and a power supply isolation module connected between the first power supply module and the RS485 interface module.

Description

A kind of status monitoring terminal processing device
Technical field
The invention belongs to intelligent grid Condition Monitoring Technology fields, are filled more particularly to a kind of status monitoring terminal processes It puts.
Background technology
The safety of equipment is the basis of power grid security, stabilization, reliability service, to equipment carry out effectively, accurately monitoring and Diagnosis is the effective way for improving power supply reliability and operation of power networks intelligent level.As power grid and electric system are to super (It is special)High pressure, large capacity, big system are grown rapidly, also higher and higher to security reliability requirement, and there is an urgent need to more for electric system For the monitoring of accurately and rapidly power transmission and transformation equipment state and diagnostic techniques.
In recent years, electric network state monitoring is at home and abroad gradually unfolded, and obtain notable achievement with Condition-Based Maintenance Technology, largely State monitoring apparatus come into operation.However current state monitoring apparatus is typically only capable to complete a kind of state prison of primary equipment It surveys, versatility is not strong.
Invention content
The technical problems to be solved by the invention are, provide a kind of status monitoring terminal processing device, provide a variety of System group network mode, data access can complete the monitoring function of multiple primary equipments, and can access remaining state prison in station Survey device.
In order to solve the above-mentioned technical problem, the embodiment of the present invention provides a kind of status monitoring terminal processing device, for intelligence Energy power grid, including:
ARM operation processing units;
Energy supply control module, RS232 interface module, the RS485 interface moulds being bi-directionally connected with the ARM operation processing units Module, FLASH, SDRAM, EEPROM, RTC clock module when block, ZieBee communication modules, ethernet interface module, GPRS schools;
Wherein, the energy supply control module is used to 12V power supplys being converted into 3.3V, is supplied to the ARM operation processing units Electricity;
Further comprise:
First power module and the isolated from power being connected between first power module and RS485 interface modules Module, wherein, 12V power supplys are converted into 5V, and the light-coupled isolation through power isolation module by first power module, to described RS485 interface modules are powered.
Preferably, the ARM operation processing units use the AT91SAM9X25 chips of Atmel companies, and dominant frequency is 400MHz, using LINUX operating systems.
Preferably, the RS232 interface module includes:
RS232 chips, input pin connect the output pin PA10TXD of the AT91SAM9X25 chips, output pin connection The input pin PA10RXD of the AT91SAM9X25 chips;
Debugging foot TIOUT, R1IN of the RS232 chips are connected to a debugging interface DB9's by a resistance respectively It is serially connected with respectively between the two two debugging feet and ground for debugging foot DEBUG TXD, DEBUG RXD, the debugging interface DB9 steady Pressure pipe D73, D75;
It is serially connected with filter capacitor C98, C97, C96 respectively between VCC, V- and V+ foot and ground of the RS232 chips.
Preferably, the RS485 interface modules include at least:
RS485 driving chip MAX3082, pin DE, DI pass through the first isolation optocoupler and the AT91SAM9X25 chips Transmitting-receiving pin USART RTX, USARTTXD be connected;
5V power supply of the power supply of the RS485 driving chips from the power isolation module.
Preferably, the ZieBee communication modules include at least:
APC320 chips, RXD feet are connected with the UART0 TXD feet of the AT91SAM9X25 chips, TXD feet and institute The UART0 RXD feet for stating AT91SAM9X25 chips are connected;
There are two operating modes to set pin SETA, SETB for APC320 chips tool, by the setting pin SETA, The level of SETB sets four kinds of operating modes:Normal mode, awakening mode, battery saving mode, suspend mode;The setting pin SET_A and SET_B is serially connected with a pull-up resistor between VCC and ground.
Preferably, the input terminal of first power module and the energy supply control module is all connected with the defeated of a Switching Power Supply Outlet receives 12V power supplys;
First power module includes the converter of 12V-5V, and and is connected at least one filter capacitor;
The energy supply control module includes the converter of 12V-3.3V, and and is connected at least one filter capacitor;
The power isolation module includes isolation optocoupler ZY0505FM, and and is connected at least one filter capacitor.
Preferably, the shape of the RS485 interface modules, ethernet interface module, ZieBee communication modules and primary equipment State monitoring device communicates, and receives acquired data, the state monitoring apparatus of the primary equipment include it is following in extremely It is one few:Transformer oil chromatographic monitoring device, GIS partial discharges monitoring device, infrared temperature measurement apparatus, microclimate monitoring device, shaft tower Device for monitoring inclination, cable partial discharge monitoring device.
Preferably, module uses M580z chips during the GPRS schools;Application program is pre-stored in the FLASH, is System configuration information is pre-stored in the EEPROM.
Implement the present invention, there is following advantageous effect:
First, status monitoring terminal processing device of the invention can access the various state monitoring apparatus of each producer, example As transformer oil chromatographic monitoring device, GIS partial discharges monitoring device, infrared temperature measurement apparatus, microclimate monitoring device, shaft tower tilt prison Device, cable partial discharge monitoring device etc. are surveyed, it is adaptable;
In addition, status monitoring terminal processing device of the invention supports a variety of networking modes, including wireless, Ethernet, string Mouthful, the status monitoring function of multiple primary equipments can be completed using a processing unit, various types of communication mode is supported to access;
Secondly, the status monitoring terminal processing device of the present invention can be used ZieBee nodes and carry out networking, can realize low The transmission network that cost, low-power consumption, Multi net voting are route;
Therefore the status monitoring terminal processing device of the present invention has the features such as versatile, networking flexibility, highly practical, tool There is stronger promotional value.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also To obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of hardware structure diagram of status monitoring terminal processing device provided by the invention;
Fig. 2 is the circuit diagram of one embodiment of RS232 interface module in Fig. 1;
Fig. 3 is the circuit diagram of one embodiment of RS485 interface modules in Fig. 1;
Fig. 4 is the circuit diagram of one embodiment of ZieBee communication modules in Fig. 1;
Fig. 5 is the circuit diagram of one embodiment of energy supply control module in Fig. 1;
Fig. 6 is the circuit diagram of one embodiment of the first power module in Fig. 1;
Fig. 7 is the circuit diagram of one embodiment of power isolation module in Fig. 1.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, show a kind of hardware structure diagram of status monitoring terminal processing device provided by the invention;The shape State monitoring terminal processing unit is used in intelligent network, including:
ARM operation processing units;
Energy supply control module, RS232 interface module, the RS485 interface moulds being bi-directionally connected with the ARM operation processing units Module, FLASH, SDRAM, EEPROM and RTC clock mould when block, ZieBee communication modules, ethernet interface module, GPRS schools Block, ARM operation processing units and these above-mentioned modules are bi-directionally connected and they are controlled;
Wherein, the energy supply control module is used to 12V power supplys being converted into 3.3V, is supplied to the ARM operation processing units Electricity;
Further comprise:
First power module and the isolated from power being connected between first power module and RS485 interface modules Module, wherein, 12V power supplys are converted into 5V, and the light-coupled isolation through power isolation module by first power module, to described RS485 interface modules are powered.
Wherein, the state of the RS485 interface modules, ethernet interface module, ZieBee communication modules and primary equipment Monitoring device communicates, and receives acquired data, the state monitoring apparatus of the primary equipment include it is following at least One:Transformer oil chromatographic monitoring device, GIS partial discharges monitoring device, infrared temperature measurement apparatus, microclimate monitoring device, shaft tower incline Oblique monitoring device, cable partial discharge monitoring device.
Specifically, ARM operation processing units can be used the AT91SAM9X25 chips of Atmel companies, dominant frequency 400MHz, It uses LINUX operating systems.
Wherein FLASH uses the K9F2G08x0B chips of Samsung, for storing application program.EEPROM is used The AT24C512BN-SH25 chips of Atmel companies, for storage system configuration information.RS232 interface module, RS485 interface moulds The MAX3232 chips of Maxim and MAX3082 chips is respectively adopted in block, and ethernet interface module uses DM9161 chips.
ZieBee communication modules use APC320 wireless receiving chips, and ZieBee communication modules carry out group using reticular structure Net, this structural advantages are that network is very healthy and strong, data can be transmitted by plurality of passages simultaneously between any two node, even if portion Partial node breaks down, and remains to carry out data transmission by other channels.
Module uses M580z chips during GPRS schools, available for the wireless transmission with main station system.
Application program is prestored to FLASH, and system configuration information is prestored to EEPROM, at the status monitoring terminal After the system electrification for managing device, application program, configuration information are loaded into memory by ARM operation processing units(SDRAM), and to each A module is initialized, and ensures the normal operation of system.Led to by RS485 interface modules, ethernet interface module, ZieBee Believe module acquisition state monitoring data, and operation is carried out by ARM operation processing units, stores, compare.ARM calculation process simultaneously Unit coordinates internal core bus and synergetic unit(It is not shown)It communicates, it is single that result of calculation is sent to collaboration processing Member, the information such as state evaluation result are sent in network other condition monitoring systems by synergetic unit, and are received and come from The state evaluation information of other condition monitoring systems, network topology, primary equipment in conjunction with oneself state monitoring system are run State, it is comprehensive to carry out assignment decisions and operation control, and usually formulate system O&M strategy.
Please together with reference to shown in Fig. 2 to Fig. 7, the circuit diagram of each module in Fig. 1 is described as follows:
As shown in Fig. 2, it is the circuit diagram of RS232 interface module in Fig. 1.
Wherein, the RS232 interface module includes:
RS232 chips, input pin connect the output pin PA10TXD of the AT91SAM9X25 chips, output pin connection The input pin PA10RXD of the AT91SAM9X25 chips, so as to which ARM operation processing units are realized to the defeated of RS232 interface module Enter the control of output;
Debugging foot TIOUT, R1IN of the RS232 chips are connected to a debugging interface DB9's by a resistance respectively It is serially connected with respectively between the two two debugging feet and ground for debugging foot DEBUG TXD, DEBUG RXD, the debugging interface DB9 steady Pressure pipe D73, D75, wherein, debugging interface DB9 is used for equipment debugging or access, and voltage-stabiliser tube is used to prevent surge;
It is serially connected with filter capacitor C98, C97, C96 respectively between VCC, V- and V+ foot and ground of the RS232 chips.
As shown in figure 3, it is the circuit diagram of the RS485 interface modules in Fig. 1.
Wherein, the RS485 interface modules include at least:
RS485 driving chip MAX3082, pin DE, DI pass through the first isolation optocoupler(See HCPL-0630 in figure)And institute Transmitting-receiving pin USART RTX, the USARTTXD for stating AT91SAM9X25 chips are connected;Make ARM operation processing units and RS485 There is not electrical connection directly between interface module two parts circuit, the interference because caused by having electrical connection can be prevented;
5V power supply of the power supply of the RS485 driving chips from the power isolation module, and 3.3K Ω resistance is sealed in, Enhance its driving force.
As shown in figure 4, it is the circuit diagram of ZieBee communication modules in Fig. 1.
Wherein, the ZieBee communication modules include at least:
APC320 chips, RXD feet are connected with the UART0 TXD feet of the AT91SAM9X25 chips, TXD feet and institute The UART0 RXD feet for stating AT91SAM9X25 chips are connected, so as to fulfill being bi-directionally connected;Wherein, APC320 chips are a highly integrated Low-power consumption half-duplex low-power wireless data transmission module is embedded in high-speed low-power-consumption microcontroller and high-performance radio-frequency chip SI4463, the use of innovation efficiently recycle intertexture error correction and detection coding, and anti-interference and sensitivity all greatly improves, APC320 modules Provide the selection of multiple channels, can online modification serial ports rate, transmitting-receiving frequency, transmission power, the various parameters such as radio frequency rate;
There are two operating modes to set pin SETA, SETB for APC320 chips tool, by the setting pin SETA, The level of SETB sets four kinds of operating modes:Normal mode, awakening mode, battery saving mode, suspend mode;The setting pin SET_A and SET_B is serially connected with a pull-up resistor between VCC and ground, and the resistance value of the pull-up resistor shown in figure is 4.7K Ω。
Fig. 5 is the circuit diagram of one embodiment of energy supply control module in Fig. 1;
The input terminal of the energy supply control module connects a Switching Power Supply(It is not shown)Output terminal, receive 12V power supplys;Institute The converter that energy supply control module includes 12V-3.3V is stated, for 12V power supplys to be converted into the work of ARM operation processing units 3.3V in the energy supply control module and is connected at least one filter capacitor(C22, C30, C23 are shown in figure), it is defeated to ensure Go out the stabilization of voltage
Fig. 6 is the circuit diagram of one embodiment of the first power module in Fig. 1;
The input terminal of first power module connects a Switching Power Supply(It is not shown)Output terminal, receive 12V power supplys;Institute The converter that the first power module includes 12V-5V is stated, for 12V power supplys to be converted into the 5V of RS485 interface modules work, In first power module and it is connected at least one filter capacitor(C20, C26, C21 are shown in figure), to ensure output voltage Stabilization.
Fig. 7 is the circuit diagram of one embodiment of power isolation module in Fig. 1.
The power isolation module is connected between the first power module and RS485 interface modules, including isolation optocoupler ZY0505FM, and and it is connected at least one filter capacitor(C2, C25, C27 are shown in figure), receive from the first power supply mould The 5V power supplys of block, and the isolation through isolation optocoupler, are delivered to RS485 interface modules.
Implement the present invention, there is following advantageous effect:
First, status monitoring terminal processing device of the invention can access the various state monitoring apparatus of each producer, example As transformer oil chromatographic monitoring device, GIS partial discharges monitoring device, infrared temperature measurement apparatus, microclimate monitoring device, shaft tower tilt prison Device, cable partial discharge monitoring device etc. are surveyed, it is adaptable;
In addition, status monitoring terminal processing device of the invention supports a variety of networking modes, including wireless, Ethernet, string Mouthful, the status monitoring function of multiple primary equipments can be completed using a processing unit, various types of communication mode is supported to access;
Secondly, the status monitoring terminal processing device of the present invention can be used ZieBee nodes and carry out networking, can realize low The transmission network that cost, low-power consumption, Multi net voting are route.
Therefore the status monitoring terminal processing device of the present invention has the features such as versatile, networking flexibility, highly practical, tool There is stronger promotional value.
Above disclosed is only a kind of preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly Sharp range, therefore equivalent variations made according to the claims of the present invention, are still within the scope of the present invention.

Claims (3)

1. a kind of status monitoring terminal processing device, for intelligent grid, it is characterised in that including:
ARM operation processing units;
The energy supply control module that is bi-directionally connected with the ARM operation processing units, RS232 interface module, RS485 interface modules, Module, FLASH, SDRAM, EEPROM, RTC clock module when ZieBee communication modules, ethernet interface module, GPRS schools;
Wherein, the energy supply control module is used to 12V power supplys being converted into 3.3V, powers to the ARM operation processing units;
Further comprise:
First power module and the power isolation module being connected between first power module and RS485 interface modules, Wherein, 12V power supplys are converted into 5V, and the light-coupled isolation through power isolation module by first power module, to the RS485 Interface module is powered;
Wherein, the ARM operation processing units use the AT91SAM9X25 chips of Atmel companies, and dominant frequency 400MHz is adopted With LINUX operating systems;
The ZieBee communication modules include at least:
APC320 chips, RXD feet are connected with the UART0 TXD feet of the AT91SAM9X25 chips, TXD feet with it is described The UART0 RXD feet of AT91SAM9X25 chips are connected;
There are two operating mode setting pin SETA, SETB for the APC320 chips tool, pass through described setting pin SETA, SETB Level set four kinds of operating modes:Normal mode, awakening mode, battery saving mode, suspend mode;The setting pin SET_A And SET_B is serially connected with a pull-up resistor between VCC and ground;
The RS232 interface module includes:
RS232 chips, input pin connect the output pin PA10TXD of the AT91SAM9X25 chips, described in output pin connection The input pin PA10RXD of AT91SAM9X25 chips;
Debugging foot TIOUT, R1IN of the RS232 chips are connected to two of a debugging interface DB9 by a resistance respectively Debugging foot DEBUG TXD, DEBUG RXD, the debugging interface DB9 two debugging feet and ground between be serially connected with voltage-stabiliser tube respectively D73、D75;
It is serially connected with filter capacitor C98, C97, C96 respectively between VCC, V- and V+ foot and ground of the RS232 chips;
The RS485 interface modules include at least:
RS485 driving chip MAX3082, pin DE, DI pass through the first isolation optocoupler and the receipts of the AT91SAM9X25 chips Hair pin USART RTX, USARTTXD are connected;
5V power supply of the power supply of the RS485 driving chips from the power isolation module;
Wherein, the input terminal of first power module and the energy supply control module is all connected with the output terminal of a Switching Power Supply, Receive 12V power supplys;
First power module includes the converter of 12V-5V, and and is connected at least one filter capacitor;
The energy supply control module includes the converter of 12V-3.3V, and and is connected at least one filter capacitor;
The power isolation module includes isolation optocoupler ZY0505FM, and and is connected at least one filter capacitor.
2. status monitoring terminal processing device as described in claim 1, which is characterized in that the RS485 interface modules, ether Network interface module, ZieBee communication modules communicate with the state monitoring apparatus of primary equipment, receive acquired data, institute The state monitoring apparatus of primary equipment is stated including at least one of following:Transformer oil chromatographic monitoring device, the monitoring of GIS partial discharges Device, infrared temperature measurement apparatus, microclimate monitoring device, shaft tower device for monitoring inclination, cable partial discharge monitoring device.
3. status monitoring terminal processing device as claimed in claim 2, which is characterized in that module uses during the GPRS schools M580z chips;Application program is pre-stored in the FLASH, and system configuration information is pre-stored in the EEPROM.
CN201410760305.2A 2014-12-12 2014-12-12 State monitoring terminal processing device Active CN104459406B (en)

Priority Applications (1)

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

Publications (2)

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

Family

ID=52905776

Family Applications (1)

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

Country Status (1)

Country Link
CN (1) CN104459406B (en)

Families Citing this family (4)

* 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
CN110849326B (en) * 2019-12-25 2022-06-07 深圳供电局有限公司 Telegraph pole monitoring method and monitoring equipment
CN112346376A (en) * 2020-10-09 2021-02-09 深圳供电局有限公司 Remote communication entry self-detection system, control method, control device, and storage medium

Family Cites Families (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
CN100440107C (en) * 2004-02-29 2008-12-03 深圳市朗科科技股份有限公司 Wireless based system for controlling household digital devices
AU2008202170B2 (en) * 2007-05-18 2012-09-06 Catapult Group International Ltd Improved Sports Sensor
CN101807058B (en) * 2010-03-26 2012-06-20 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 Power quality monitoring terminal device based on ZigBee technology
CN204256077U (en) * 2014-12-12 2015-04-08 深圳供电局有限公司 State monitoring terminal processing device

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
APC320;APPCON Technologies;《百度文库》;20141117;第3页第1段至第6页倒数第一段 *
AT91SAM9X25;Atmel Corporation;《AT91SAM9X25》;20110727;全文 *
MAX3080-MAX3089;maxim integrated;《MAX3080-MAX3089》;20051231;全文 *
MAX3222/MAX3232/MAX3237/MAX3241;maxim integrated;《MAX3222/MAX3232/MAX3237/MAX3241》;20071231;全文 *
基于ARM9的物联网智能网关设计;张福文;《中国优秀硕士学位论文全文数据库信息科技辑》;20121015(第10期);第1页第1-7段,第7页第1-4段,第11页第1段,第12页第1段,第21页第3-4段,图2.2 *

Also Published As

Publication number Publication date
CN104459406A (en) 2015-03-25

Similar Documents

Publication Publication Date Title
CN104459406B (en) State monitoring terminal processing device
CN102693615B (en) Gatherer device of wireless ad-hoc network meter reading system, and operation method
CN205991980U (en) A kind of salt mine water quality of industrial sewage on-line monitoring system
CN203416288U (en) Intelligent-type wireless temperature-control system based on ZigBee network
CN203882187U (en) Wireless household network system
CN107463137A (en) A kind of multi-source heterogeneous data integrated synchronous acquisition equipment and its method
CN107998579A (en) Fire water-supply and fire-extinguishing apparatus monitoring system
CN202661192U (en) Wireless temperature measurement system of internet of things and based on ZigBee technique
CN108035773A (en) A kind of coal-bed gas pressure monitoring system based on 6LoWPAN technology of Internet of things
CN204462724U (en) A kind of WIFI gateway of radio sensing network
CN106054846A (en) Reservoir safety online monitoring system and method based on ZigBee wireless communication
CN204256077U (en) State monitoring terminal processing device
CN109109904A (en) A kind of train axle temperature detection device and detection method based on MVB
CN204288486U (en) Multi-mode radio data collecting main frame
CN105915614A (en) Beidou-based vehicle-mounted identification and communication terminal
CN208075112U (en) A kind of heating energy-saving system
CN204272159U (en) A kind of energy source gateway realizing fault electric arc and detect
Yu et al. An wireless collection and monitoring system design based on Arduino
CN208937950U (en) Hydroelectric station operation information collection and remote control equipment
CN208462057U (en) A kind of ad hoc network low-power consumption water utilities monitoring RTU based on LoRa technology
CN106128082A (en) A kind of gateway device and wireless transmitting system
CN202584404U (en) Wireless water meter acquisition and control device
CN205829656U (en) A kind of wireless local area network (WLAN) system of parallel networking
CN205077556U (en) From wash platform who takes video player
CN203313217U (en) A real time positioning gateway

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