CN203719782U - Temperature monitoring device for large-scale bus duct - Google Patents
Temperature monitoring device for large-scale bus duct Download PDFInfo
- Publication number
- CN203719782U CN203719782U CN201320723945.7U CN201320723945U CN203719782U CN 203719782 U CN203719782 U CN 203719782U CN 201320723945 U CN201320723945 U CN 201320723945U CN 203719782 U CN203719782 U CN 203719782U
- Authority
- CN
- China
- Prior art keywords
- unit
- data
- control module
- link
- data processing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Selective Calling Equipment (AREA)
Abstract
The utility model provides a temperature monitoring device for a large-scale bus duct, and the monitoring system consists of a data monitoring center and a plurality of data relay control modules. The data monitoring center and the plurality of data relay control modules communicate with each other through RS-485 buses based on the Modbus communication protocol, and a mode of data relay transmission is used for transmission. The data monitoring center consists of a data processing unit, a node monitoring unit, a data query unit, a system management unit, an alarm unit, a communication protocol unit, and a database. The data monitoring center serves as an upper computer or a host computer for transmitting data and commands. Each data relay control module consists of an MCU control module, a data collection unit, a communication unit, a CPLD link selection unit, and a power management module, and serves as a lower computer, or a slave computer for executing related commands and operations, and turning back data.
Description
Technical field
The utility model relates to a kind of device for detecting temperature, more specifically relates to a kind ofly for monitoring the apparatus system of extensive bus duct temperature, belongs to power equipment and detects monitoring technical field.
Background technology
Bus duct is distribution power transmitting device conventional in skyscraper and large-sized workshop; conventionally by conducting copper, insulating material, sheet metal protecting sheathing etc., formed; replaced traditional feeder cable, had that transmission current is large, security performance good, a compact conformation, the advantage such as flexible for installation.The junction of bus duct is prone to the too high phenomenon of local temperature rise, and this is that material copper content due to junction is low, contact area pressure large, the reasons such as poor radiation, dust are installed causes its contact resistance to increase causing.The temperature rise of bus duct junction is too high will make the bus duct life-span shorten, electric energy loss raising, voltage drop, also affect ambient temperature simultaneously, accelerate the aging of outer layer insulation material, even puncture, the electric power system accident such as initiation fire.International electrical engineering standard IEC60439.2-2000 and standard GB/T 7251.2-2006 have been stipulated the permission temperature rise of the bus duct that the insulating material of various temperature classifications is made.As insulating material be the bus duct of F level heat-resisting >=155 ℃, 40 ℃ of high ambient temperatures, its to allow temperature rise value be 115K(155 ℃-40 ℃).The test standard of national compulsory 3C authentication is stipulated the ultimate temperature rise≤70K of bus duct accordingly.The bus duct tie point of an electric power system often has hundreds of even thousands of, a place break down or accident whole system is all influenced.Therefore, be prevention security incident, assurance reliability service, the temperature of each junction of bus duct is carried out to monitoring in real time very necessary.
At first bus duct is carried out to temperature monitoring and undertaken by craft, as being coated with at electrical contact surface the luminescent material that one deck varies with temperature color, by observing its change color, roughly determine temperature range, or adopt infrared thermometer more accurately.Efficiency is too low on the one hand in manual monitoring, and in high voltage power distribution room, operator is also dangerous on the other hand.Afterwards along with the development of sensor and electronic technology, there is online number bus groove device for detecting temperature, as the monitoring device of utility application 201210314052.7 disclosed a kind of bus ducts and the disclosed a kind of bus duct joint temperature online supervisory system of utility model patent 201220152200.5.
Utility application 201210314052.7 discloses a kind of monitoring device of bus duct, its temperature signal collection module is arranged on the body junction of respective bus bars groove, can Measurement accuracy to the temperature of busbar, belong to single-point monitoring device, cannot meet complex large-sized bussed supply system.The bus duct temperature monitoring system that adopts wired mode that the monitoring device of a plurality of these type of bus ducts is connected to form, although transmission is stable, is having very large limitation aspect connection mode, system extension scale, maintenance cost.Utility model patent 201220152200.5 discloses a kind of bus duct joint temperature online supervisory system, adopt zigbee wireless network, n bus duct joint monitoring point carried out temperature monitoring and m power distribution room relay controlled, this mode has broken through the restriction of single-point monitoring, make large-scale bus duct monitoring temperature network become possibility, but exist jitter, line-hit, data easily to lose the problems such as omission, its expensive, large power consumption also limits its application in the more bus duct electric power system of nodes simultaneously.
Summary of the invention
Therefore, for solve existing be applicable to the device for detecting temperature of extensive bus duct otherwise install loaded down with trivial details, expand limited, safeguard inconvenience, swinging of signal, data are omitted, the too high problem of power consumption, the utility model provides a kind of and has measured accurately, signal stabilization, flexible for installation, the extensive bus duct device for detecting temperature that uses safety, the temperature that is used for the extensive bus duct junction of a plurality of nodes of real-time remote monitoring, the Monitoring Data of each node of stable transfer, so that monitor staff takes measures in time for the too high node of temperature rise, remove a hidden danger.
The technical scheme that device of the present utility model adopts forms monitoring system by a data monitor center (DMC) and some data relay control modules (DRC), wherein data monitor center is comprised of data processing unit, monitoring nodes unit, data query unit, System Management Unit, alarm unit, communication protocol unit and database, as host computer, main frame, sends data and order; Data relay control module is comprised of MCU control module, data acquisition unit, communication unit, CPLD link selection unit and power management module, as slave computer, slave, carries out related command operation, and echo back data.Between data monitor center and data relay control module, by RS-485 bus, be connected, based on Modbus communication protocol, communicate, adopt data relay transmission mode transfer.
The beneficial effects of the utility model are, can be accurately, reliably, safely and steadly the temperature of extensive multinode bus duct is carried out to remote real time monitoring, and the system that simultaneously guaranteed can expand conveniently, flexible for installation.According to serial communication bus RS-485 communication protocol, unibus is supported at most 32 nodes, and its extendability, scale, stability are subject to certain limitation.And extensive bus duct device for detecting temperature of the present utility model adopts back-to-back relay connection and control mode that a data monitor center 1 and some data relay control modules 2 are formed to distributed network, can carry out arbitrary node Expansion, greatly improve the stability of system, and broken through the node restriction of traditional RS-485 communication protocol.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and preferred embodiment, the utility model is further illustrated.
Fig. 1---the system chart of one of them embodiment of extensive bus duct device for detecting temperature of the present utility model.
Fig. 2---the structural representation of the data monitor center (DMC) of extensive one of them embodiment of bus duct device for detecting temperature of the present utility model shown in Fig. 1.
Fig. 3---the structural representation of the data relay control module (DRC) of extensive one of them embodiment of bus duct device for detecting temperature of the present utility model shown in Fig. 1.
The use flow chart of Fig. 4---extensive bus duct device for detecting temperature of the present utility model.
The data link dynamic self-adapting process flow diagram of Fig. 5---extensive bus duct temperature monitoring method of the present utility model shown in Fig. 4.
In figure: 1---data monitor center (DMC); 2---data relay control module (DRC); 3---bus duct; 4---communication protocol unit (RS-485 module); 5---data processing unit (OMAP3530CUS); 6---monitoring nodes unit (MAX3160); 7---data query unit; 8---System Management Unit (OMAP3530CUS); 9---alarm unit (AT070TN83); 10---database (SD card); 11---MCU control module (NUC120VD3AN); 12---data acquisition unit (NUC120VD3AN); 13---CPLD link selection unit (EPM7128SLI84-10N); 14---communication unit; 15---power management module (TPS54286 PWP); 16---temperature sensor (DS18B20); 17---up-link (MAX485ESA); 18---downlink (MAX485ESA); A---initialization; B-receiver information also communicates link switching accordingly; C---message parse; D---carry out Message Processing and receive the response by downlink; E---by uplink relay message; F---by downlink relay message.
Embodiment
Referring to Fig. 1, is the system chart of one of them embodiment of extensive bus duct device for detecting temperature of the present utility model.As shown in Figure 1, according to an embodiment of the present utility model, the monitoring system that extensive bus duct device for detecting temperature is comprised of a data monitor center 1 and some data relay control module 2 nodes, wherein data monitor center 1 is called for short DMC, it is the acronym of English Data Monitor Center, data relay control module 2 is called for short DRC, is the acronym of English Data Relay Controller.As shown in the figure, data monitor center 1 is placed in monitoring room conventionally, send data and order, and data relay control module 2 is placed near the bus duct 3 of temperature to be monitored conventionally as host computer (main frame), as slave computer (slave), carry out related command operation, and echo back data.Communication channel between data monitor center 1 and data relay control module 2 is built by serial communication bus RS-485 bus, follows Modbus communication protocol.The concrete structure of data monitor center and data relay control module refers to Fig. 2 and Fig. 3.According to serial communication bus RS-485 communication protocol, unibus is supported at most 32 nodes, and its extendability, scale, stability are subject to certain limitation.And extensive bus duct device for detecting temperature of the present utility model adopts back-to-back relay connection and control mode that a data monitor center 1 and some data relay control modules 2 are formed to distributed network, can carry out arbitrary node Expansion, greatly improve the stability of system, and broken through the node restriction of traditional RS-485 communication protocol.
Referring to Fig. 2, is the data monitor center 1(DMC of extensive one of them embodiment of bus duct device for detecting temperature of the present utility model shown in Fig. 1) structural representation.As shown in Figure 2, data monitor center 1 is by communication protocol unit 4, data processing unit 5, monitoring nodes unit 6, data query unit 7, System Management Unit 8, alarm unit 9 and database 10 form, wherein communication protocol unit 4 and data processing unit 5, System Management Unit 8 is connected, data processing unit 5 and communication protocol unit 4, monitoring nodes unit 6, System Management Unit 8, alarm unit 9, database 10 is connected, monitoring nodes unit 6 is connected with data processing unit 5, data query unit 7 is connected with database 10, System Management Unit 8 and communication protocol unit 4, data processing unit 5 is connected, alarm unit 9 is connected with data processing unit 5, database 10 and data processing unit 5, data query unit 7 is connected.
In the present embodiment, communication protocol unit 4 adopts general RS-485 module, the application processor OMAP3530CUS that data processing unit 5 adopts company of Texas Instruments (TI) to produce, the RS-485 protocol transceiver MAX3160E485 with esd protection that monitoring nodes unit 6 adopts the U.S. U.S. letter (MAXIM) company to produce, data query unit 7 adopts software to realize, the application processor OMAP3530CUS that System Management Unit 8 and data processing unit 5 adopt companies of same Texas Instruments (TI) to produce, 7 cun of digital liquid crystal screen AT070TN83 that alarm unit 9 adopts Qun Chuan company to produce, database 10 adopts general SD storage card.Wherein, between communication protocol unit 4 and data processing unit 5, System Management Unit 8, by RS-485 interface, be connected, data processing unit 5 is connected with the UART interface of monitoring nodes unit 6 by OMAP3530CUS, and data processing unit 5 is connected with the LCD interface of alarm unit 9 by OMAP3530CUS.
As shown in Figure 2, communication protocol unit 4 is connected with data processing unit 5, System Management Unit 8, is mainly responsible for resolution system message and sends receiving Monitoring Data.System message comprises broadcast type message and clean culture class message.Broadcast type message is sent by data monitor center 1, and all data relay control module 2 nodes must be responded, and such message is mainly used in inquiry and maintenance system integrality, gathers humiture data etc.Clean culture class message is sent by data monitor center 1 equally, by data relay control module 2 nodes of message appointment, is responded, and such message is mainly used in emphasis or abnormal data relay control module 2 nodes to carry out humiture data acquisition and status poll.
Data processing unit 5 is connected with communication protocol unit 4, monitoring nodes unit 6, System Management Unit 8, alarm unit 9, database 10, and main being responsible for processed the Monitoring Data receiving.Data processing unit 5 is connected with System Management Unit 8 on the one hand, configuration parameter and operational order that receiving system administrative unit 8 is connected and exports, be connected with monitoring nodes unit 6, alarm unit 9, database 10 on the one hand, the monitor data after processing is passed to 6 demonstrations of monitoring nodes unit, passes to alarm unit 9 and process and store into database 10.Simultaneously, data processing unit 5 is connected with communication protocol unit 4, according to the data acquisition strategy of System Management Unit 8 configurations, regularly by communication protocol unit 4, send data acquisition message on the one hand, the message that receives and resolves according to the alarm threshold value configuration process communication protocol unit 4 of System Management Unit 8 configuration on the other hand, passes to alarm unit 9 processing by relevant information when reaching warning threshold value being set.
Monitoring nodes unit 6 is connected with data processing unit 5, be responsible for the state of all data relay control module 2 nodes of real-time monitoring system, comprise real time humiture value, running status of each data relay control module 2 nodes etc., can come subregion, segmentation to show each node state according to system topology, thereby can carry out visual demonstration by analogue system deployment architecture simultaneously.Data query unit 7 is connected with database 10, and the historical humiture value of data relay control module 2 nodes that responsible inquiry is all, running status etc., show Query Result with various ways such as data list, squiggle figure.
System Management Unit 8 is connected with communication protocol unit 4, data processing unit 5, for configuration data acquisition strategies, Threshold of Temperature And Humidity, maintenance system topological structure (operation such as node adds, deletion, information updating) are set, type of alarm is set.
Alarm unit 9 is connected with data processing unit 5, the warning message transmitting for receiving data processing unit 5, and the type of alarm arranging according to this information query system administrative unit 8, thus enable different type of alarms, comprise sound, light, control signal etc.Must before jeopardizing security of operation, send bus temperature alerting signal.
Database 10 is connected with data processing unit 5, data query unit 7, the information parameter of the Monitoring Data of processing for storage data processing unit 5 and System Management Unit 8 configurations, and offer data query unit 7 query display.
Referring to Fig. 3, is the data relay control module 2(DRC of extensive one of them embodiment of bus duct device for detecting temperature of the present utility model shown in Fig. 1) structural representation.As shown in Figure 3, data relay control module 2 is comprised of MCU control module 11, data acquisition unit 12, CPLD link selection unit 13 and power management module 15, wherein MCU control module 11 is master control core, and data acquisition unit 12, CPLD link selection unit 13 are attached thereto respectively.Uplink and downlink link by RS-485 serial communication bus between two data relay and control modules 2 transmits data, and the power management module 15 of two data relay and control modules 2 is also connected simultaneously.Data acquisition unit 12 is connected with temperature sensor 16, for gathering local temperature data; Up-link 17 and downlink 18 are for sending the local temperature data of collection, and relaying transmits the temperature data that higher level's data relay control module 2 issues; CPLD link selection unit 13, for selecting up-link 17 or downlink 18, coordinates communication unit to carry out data relay transmission.The 2 node power supplies of 15 pairs of each data relay control modules of power management module.The up-link 17 of a data relay and control module 2 is connected with the downlink 18 of another data relay module 2, is connected step by step thus with data monitor center 1.
In the present embodiment, the digital temperature sensor DS18B20 that temperature sensor 16 adopts the U.S. U.S. letter (MAXIM) company to produce, 32 Cortex-M0 ARM microcontroller NUC120VD3AN that MCU control module 11 adopts company of new Tang (Nu Micro) to produce, data acquisition unit 12 adopts same ARM microcontroller NUC120VD3AN with MCU control module 11, the IO mouth adopting wherein specifically, the MAX7000 series extensive logical device EPM7128SLI84-10N able to programme that CPLD link selection unit 13 adopts U.S. ALTERA company to produce, the asynchronous electrical supplies converter TPS54286 PWP that power management module 15 adopts company of Texas Instruments (TI) to produce, the low-power consumption RS-485 transceiver MAX485ESA that up-link 17 and downlink 18 respectively adopt the Yi Kuai U.S. U.S. letter (MAXIM) company to produce.Wherein, temperature sensor 16 is connected with the IO interface of data acquisition unit 12 by NUC120VD3AN, MCU control module 11 is connected with the UART interface of CPLD link selection unit 13 by NUC120VD3AN, and CPLD link selection unit 13 and up-link 17 and downlink 18 are connected by the IO interface of EPM7128SLI84-10N.
In the present embodiment, for safety, temperature sensor 16 is inputted the data acquisition unit 12 of data relay control module 2 with the digital signal of output by wired mode.Because extensive bus duct device for detecting temperature of the present utility model has several data relay control module 2 nodes, for the ease of data monitor center 1 inquiry and control, the temperature data that each data relay control module 2 node sends should be with address identifier code.The communication link of each data relay control module 2 node comprises downlink and up-link, the data flow direction of downlink is to lead to data monitor center 1 from local data relay and control module 2 nodes, and the data flow direction of up-link is to lead to local data relay and control module 2 nodes from data monitor center 1.In the present embodiment, for guaranteeing length, apart from voltage stabilization, transmit, temperature sensor 16 is directly fixed on high voltage bus, data relay control module 2 is placed in from several meters of distances of bus duct fixed position nearby, power management module 15 adopts and by electromagnetic induction, obtains LVPS by bus current, then the method for charging to battery.In the situation that the power supply buses short time has a power failure, data relay control module 2 can normally be worked.Under normal conditions, by rechargeable battery, powered to the load, when rechargeable battery capacity loss, by bus induction power supply, to it, charged, power to the load simultaneously.
Refer to Fig. 4, be that extensive bus duct device for detecting temperature of the present utility model is used the process flow diagram of method of operating, the present embodiment be take individual data relay and control module 2 and is described as main body.As shown in Figure 4, carry out according to the following steps:
A initialization.In this step, the hardware each several part circuit power-up initializing of extensive bus duct device for detecting temperature system, System Management Unit 8 reads every configuration information, comprises the GUID of each data relay control module 2 nodes.
B receiver information also communicates link switching accordingly.The communication link of 11 pairs of CPLD link selection unit 13 of MCU control module of data relay control module 2 is configured forwarding, and CPLD link selection unit 13 is carried out accordingly link and automatically switched.This step comprises two kinds of situations, receives disappear B or receive up-link information I of downlink.Under default setting, upper and lower link is pass-through state, and now, for whole extensive bus duct device for detecting temperature system, these data relay control module 2 nodes are non-existent in fact.After completing initialization A, MCU control module 11 is by configuration CPLD link selection unit 13, by upper and lower link switching, to resolve the state forwarding by MCU control module 11, now notebook data relay and control module 2 nodes just join in whole extensive bus duct device for detecting temperature system.
C message parse.In step B, when receiving downlinlc message, first carry out message parse, when if desired process this locality, carry out Message Processing and receive the response by downlink, if pass through uplink relay message when relay message does not need local processing.In step B, when receiving up-link information, by downlink relay message.
D carries out Message Processing and receives the response by downlink.Execution of step C message parse is carried out this step when the local processing of needs.Message Processing comprises data acquisition operation.Collection mechanism is exactly generally request-acknowledgement mechanism, by data monitor center 1, sends the request of collection, and data relay control module 2 node response request are responded accordingly result to data monitor center 1.
E is by uplink relay message.Execution of step C message parse, if carry out this step when relay message does not need local processing.If step B circulation is returned in redirect while neither needing local processing also for relay message.
F is by downlink relay message.In step B, when receiving up-link information, carry out this step.After completing this step, step B circulation is returned in redirect.
Step B is that receiver information also communicates link switching accordingly, and in this step, data link information is dynamic self-adapting.Referring to Fig. 5, is the data link dynamic self-adapting process flow diagram of extensive bus duct device for detecting temperature of the present utility model.As shown in Figure 5, in the present embodiment, in extensive bus duct device for detecting temperature system, C is data monitor center 1, and N1-N6 is six data relay and control module 2 nodes.For arbitrary node N4, its downlink is connected to the up-link of N3, and its up-link is connected to the downlink of N5, and flow chart of data processing is as follows:
Corresponding step B, receives the message that N3 relaying is come.
Corresponding step C, resolves this message, judges whether to need local processing.
Corresponding step D, if need local processing, as humiture collection, state are reported, system is restarted etc., carries out Message Processing, and is sent it back and should be wrapped by downlink.
Corresponding step e, if this message need to continue relaying, arrives N5 by up-link by message relay.
Corresponding step F, completing steps D or E, after receiving that message is processed, judge whether up-link receives receiveing the response that N5 sends over, and this message may be the response bag of N5 generation, is likely also that the response that N6 passes through N5 relaying is wrapped.The message that up-link is received arrives N3 by downlink relay without exception.Step B circulation is returned in redirect again.
The effect of the routing node N1-N6 of data relay control module 2 correspondences in whole extensive bus duct device for detecting temperature is the temperature data that gathers bus duct temperature rise point, and by setting up " binding " with telegon, temperature data is sent to telegon, receive the control command that telegon is sent simultaneously, identity at routing node with route starts and adds after network, starts to set up binding with telegon.Once binding is created, routing node N1-N6 just can send data have a definite purpose address in the situation that not needing to know.
Through integration test, extensive bus duct device for detecting temperature of the present utility model adopts intelligent networking mode, there is dynamic self-adapting, flexible expansion, network from advantages such as maintainabilities, precision is high, antijamming capability is strong, easy for installation, reliable and stable, can meet the requirement that high voltage bus temperature survey is extensive to node and application is highly reliable.
Claims (3)
1. an extensive bus duct device for detecting temperature, comprise a data monitor center (DMC, 1) and some data relay control module (DRC, 2), described data monitor center (1) is by data processing unit (5), monitoring nodes unit (6), data query unit (7), System Management Unit (8), alarm unit (9), communication protocol unit (4) and database (10) form, described data relay control module (2) is by MCU control module (11), data acquisition unit (12), communication unit (14), CPLD link selection unit (13) and power management module (15) form, it is characterized in that, between described data monitor center (1) and described data relay control module (2), by RS-485 bus, be connected, described communication protocol unit (4) and described data processing unit (5), System Management Unit (8) is connected, described data processing unit (5) and described communication protocol unit (4), monitoring nodes unit (6), System Management Unit (8), alarm unit (9), database (10) is connected, described monitoring nodes unit (6) is connected with described data processing unit (5), described data query unit (7) is connected with described database (10), described System Management Unit (8) and described communication protocol unit (4), data processing unit (5) is connected, described alarm unit (9) is connected with described data processing unit (5), described database (10) and described data processing unit (5), data query unit (7) is connected, described MCU control module (11) and described data acquisition unit (12), CPLD link selection unit (13) is connected, described data acquisition unit (12) is connected with described temperature sensor (16), it is characterized in that, described CPLD link selection unit (13) connects up-link (17) and downlink (18), described up-link (17) is the upper of RS-485 serial communication bus with downlink (18), downlink, be connected with described CPLD link selection unit (13), described CPLD link selection unit (13) is for selecting described up-link (17) or downlink (18), coordinate described communication unit (14) to carry out data relay transmission, the power management module (15) of two described data relay control modules (2) is also connected simultaneously.
2. extensive bus duct device for detecting temperature as claimed in claim 1, it is characterized in that, described communication protocol unit (4) adopts general RS-485 module, the application processor OMAP3530CUS that described data processing unit (5) and described System Management Unit (8) adopt company of same Texas Instruments (TI) to produce, the RS-485 protocol transceiver MAX3160E485 with esd protection that described monitoring nodes unit (6) produces for the U.S. U.S. letter (MAXIM) company, described data processing unit (5) is connected with the UART interface of described monitoring nodes unit (6) by OMAP3530CUS.
3. extensive bus duct device for detecting temperature as claimed in claim 1, it is characterized in that, described MCU control module (11) is 32 Cortex-M0 ARM microcontroller NUC120VD3AN that company of the new Tang of same (Nu Micro) produces with described data acquisition unit (12), described CPLD link selection unit (13) is the MAX7000 series extensive logical device EPM7128SLI84-10N able to programme that U.S. ALTERA company produces, the low-power consumption RS-485 transceiver MAX485ESA that described up-link (17) and downlink (18) the Ge Weiyikuai U.S. U.S. letter (MAXIM) company produces, described MCU control module (11) is connected with the UART interface of described CPLD link selection unit (13) by NUC120VD3AN, described CPLD link selection unit (13) and described up-link (17) and downlink (18) are connected by the IO interface of EPM7128SLI84-10N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723945.7U CN203719782U (en) | 2013-11-18 | 2013-11-18 | Temperature monitoring device for large-scale bus duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723945.7U CN203719782U (en) | 2013-11-18 | 2013-11-18 | Temperature monitoring device for large-scale bus duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203719782U true CN203719782U (en) | 2014-07-16 |
Family
ID=51158921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320723945.7U Expired - Fee Related CN203719782U (en) | 2013-11-18 | 2013-11-18 | Temperature monitoring device for large-scale bus duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203719782U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104655297A (en) * | 2013-11-18 | 2015-05-27 | 武汉华和机电技术有限公司 | Device and method for large-scale bus slot temperature monitoring |
| CN104679075A (en) * | 2015-02-11 | 2015-06-03 | 国网浙江省电力公司嘉兴供电公司 | Intelligent analyzing and monitoring system for load and temperature rise of generatrix groove |
| CN105716665A (en) * | 2016-04-20 | 2016-06-29 | 朗亿德电气股份有限公司 | Upper computer for bus duct |
| CN105784174A (en) * | 2016-04-20 | 2016-07-20 | 朗亿德电气股份有限公司 | Bus duct lower computer |
| CN108917839A (en) * | 2018-07-12 | 2018-11-30 | 江苏雄海智能电气有限公司 | A kind of intelligent Bus temperature/humidity detection controller based on Zigbee |
| CN109724715A (en) * | 2017-10-20 | 2019-05-07 | 工业连结与解决方案有限责任公司 | Bus duct joint connects monitoring system and its assemble method |
-
2013
- 2013-11-18 CN CN201320723945.7U patent/CN203719782U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104655297A (en) * | 2013-11-18 | 2015-05-27 | 武汉华和机电技术有限公司 | Device and method for large-scale bus slot temperature monitoring |
| CN104679075A (en) * | 2015-02-11 | 2015-06-03 | 国网浙江省电力公司嘉兴供电公司 | Intelligent analyzing and monitoring system for load and temperature rise of generatrix groove |
| CN105716665A (en) * | 2016-04-20 | 2016-06-29 | 朗亿德电气股份有限公司 | Upper computer for bus duct |
| CN105784174A (en) * | 2016-04-20 | 2016-07-20 | 朗亿德电气股份有限公司 | Bus duct lower computer |
| CN109724715A (en) * | 2017-10-20 | 2019-05-07 | 工业连结与解决方案有限责任公司 | Bus duct joint connects monitoring system and its assemble method |
| US11372060B2 (en) | 2017-10-20 | 2022-06-28 | Abb Power Electronics Inc. | Busway joint connection monitoring system and methods of assembling the same |
| CN108917839A (en) * | 2018-07-12 | 2018-11-30 | 江苏雄海智能电气有限公司 | A kind of intelligent Bus temperature/humidity detection controller based on Zigbee |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203719782U (en) | Temperature monitoring device for large-scale bus duct | |
| CN104816813B (en) | A kind of lithium battery cell managing redundant control system peculiar to vessel | |
| KR101086005B1 (en) | Photovoltaic monitoring system | |
| CN104007714B (en) | The online centralized monitoring system in Distributed power room | |
| CN105758541A (en) | Medium- and high-voltage switch cabinet temperature on-line monitoring device | |
| CN104697653A (en) | Temperature pre-warning system for key equipment of ultrahigh-pressure power distributing station based on web | |
| CN104734362A (en) | Photovoltaic inverter health status monitoring and alarm system | |
| CN203824654U (en) | Cable joint on-line monitoring system | |
| CN205263186U (en) | Cable circulation on -line monitoring device | |
| CN105321316A (en) | Transformer substation bus intelligent temperature measuring system with wireless networking function | |
| CN105790794A (en) | Transformer area line online identification system | |
| CN203465023U (en) | Power cable insulation fault on-line monitoring system based on single-chip microcomputer | |
| CN104932395B (en) | Solar photovoltaic assembly monitors the intelligent maintenance device and maintaining method of system | |
| CN101738975A (en) | Air conditioner temperature wireless monitoring system and method | |
| CN111341063A (en) | Intelligent control system, method and device for safety early warning and monitoring of electric equipment and terminal equipment | |
| CN202363972U (en) | Remote operation and maintenance platform of substation secondary system | |
| CN204988339U (en) | Computer lab environmental monitoring device | |
| CN204256921U (en) | A kind of substation bus bar intelligent temperature measurement system with wireless networking function | |
| CN204130655U (en) | Communication base station bms data monitoring system | |
| CN106887897B (en) | A kind of Internet of Things network control intelligent Bus monitoring linked system | |
| CN204966989U (en) | Take switch board safety monitoring device of temperature detection | |
| CN212784758U (en) | Cable fire protection system based on temperature detection | |
| CN210691103U (en) | Industrial field monitoring system based on Internet of things | |
| CN104655297A (en) | Device and method for large-scale bus slot temperature monitoring | |
| CN105044477A (en) | Motor phase failure on-line detection early warning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20171118 |