CN201570902U - System for remotely monitoring and managing humidity of terminal box of transformer substation - Google Patents
System for remotely monitoring and managing humidity of terminal box of transformer substation Download PDFInfo
- Publication number
- CN201570902U CN201570902U CN2009201831083U CN200920183108U CN201570902U CN 201570902 U CN201570902 U CN 201570902U CN 2009201831083 U CN2009201831083 U CN 2009201831083U CN 200920183108 U CN200920183108 U CN 200920183108U CN 201570902 U CN201570902 U CN 201570902U
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- China
- Prior art keywords
- humidity
- terminal box
- data concentrator
- power supply
- mcu
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- 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.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The utility model provides a system for remotely monitoring and managing the humidity of a terminal box of a transformer substation, comprising a humidity monitoring terminal, a data concentrator and a monitoring computer, wherein the humidity monitoring terminal is wirelessly connected with the data concentrator; the data concentrator is connected with the monitoring computer in a wired or wireless communication way; the humidify monitoring terminal is arranged in the terminal box; and the data concentrator is positioned in a control room. The system has the advantages that non-contact networked data transmission can be realized, wires do not need to be distributed, the structure of a terminal box body of the existing transformer substation does not need to be changed, and as the humidity information in the terminal box is tracked in real time, when the condensation is possible to generate, the alarm information is sent out to remind workers to start a heater and an exhaust fan for humidity elimination, thus effectively reducing disaster loss, lightening the workload of the patrol personnel, and playing an important role in improving reliability of power supply.
Description
[technical field]
The utility model relates to a kind of transformer station relevant device, particularly a kind of transformer station's terminal box humidity computer remote monitoring and management system of being used for.
[background technology]
Terminal box is the visual plant of transformer station, plays power, control, measurement and protective effect.At southern area, rainy season is longer, and rainfall is more, and moisture is bigger, adds also imprecision of terminal box bottom shutoff, and when day and night temperature was big, humidity was just big in the case, had terminal board corrosion and globule phenomenon to form.In case terminal box makes moist seriously, will cause insulation against ground resistance in AC and DC loop to reduce, or ground connection or short circuit, make protection send situations such as wrong report, malfunction or tripping, exist serious accident potential.Although some terminal box is equipped with anti-condensation heater,,, bring influence to safe operation of power system in case heater can't be worked if its ruuning situation is not monitored.
[utility model content]
Technical problem to be solved in the utility model is to provide a kind of transformer station's terminal box humidity remote monitoring and management system that realizes humidity online in real time monitoring in transformer station's terminal box case, when humidity is big, send warning message, operations staff's remote activation heater and ventilating fan drive tide, ruuning situation to moisture separating device monitors, thereby reduce operational inspection personnel's workload, reduce potential safety hazard, improved automation of transformation substations level.
The utility model solves the problems of the technologies described above by the following technical programs: terminal box humidity remote monitoring of a kind of transformer station and management system, comprise humidity control terminal, data concentrator and supervisory control comuter, wireless connections between described humidity control terminal and the data concentrator, wired or radio communication connection between data concentrator and the supervisory control comuter, described humidity control terminal is installed in the terminal box, and described data concentrator is positioned at the control room.
This utility model further is specially:
Can also comprise trunk module, described trunk module between humidity control terminal and data concentrator, wireless connections humidity control terminal and data concentrator.
Described humidity control terminal configuration becomes router, and described data concentrator is configured to telegon.
Described trunk module is configured to router.
Described humidity control terminal comprises power supply, digital humidity sensor, MCU, relay drive circuit and ZigBee RF chip, described power supply is connected to digital humidity sensor, MCU, relay drive circuit and ZigBee RF chip simultaneously, digital humidity sensor, relay drive circuit and ZigBeeRF chip all are connected to MCU, and described power supply adopts the power supply of 220V AC/DC.
Described trunk module comprises power supply, MCU and ZigBee RF chip, and described power supply is connected to MCU and ZigBee RF chip, and ZigBee RF chip is connected to MCU.
Described data concentrator comprises power supply, MCU, ZigBee RF chip and Ethernet interface, power supply is connected to MCU, ZigBee RF chip and Ethernet interface simultaneously, ZigBee RF chip and Ethernet interface are connected respectively to MCU, described data concentrator is connected with supervisory control comuter by Ethernet interface, and described power supply adopts the power supply of 220V AC/DC.
The advantage of terminal box humidity remote monitoring of the utility model transformer station and management system is: the non-contact data transmission that can realize networking, do not need wiring, do not need to change existing transformer station terminal box body structure, have the cost performance that stronger environment is suitable for ability and Geng Gao.By the humidity information in the real-time tracing terminal box; in the time may producing condensation; send warning message; the prompting staff starts heater and ventilating fan drives tide; can effectively prevent make moist, condensation and short circuit, the ground connection of the secondary circuit that causes, accidents such as protection malfunction, tripping reduce casualty loss; alleviate operational inspection personnel's workload, will play important effect the raising of power supply reliability.
[description of drawings]
The utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is that terminal box humidity remote monitoring of the utility model transformer station and management system are formed structure chart.
Fig. 2 is the hardware structure diagram of the humidity control terminal in the utility model.
Fig. 3 is the hardware structure diagram of the trunk module in the utility model.
Fig. 4 is the hardware structure diagram of the data concentrator in the utility model.
[embodiment]
See also Fig. 1, terminal box humidity remote monitoring of the utility model transformer station and management system comprise humidity control terminal 1, data concentrator 2 and supervisory control comuter 3.In the described supervisory control comuter 3 humidity remote monitoring and management software are installed.Wireless connections between humidity control terminal 1 and the data concentrator 2, wired or radio communication connection between data concentrator 2 and the supervisory control comuter 3.
Humidity control terminal 1 is installed on the guide rail of terminal box, can gather the humidity information in the monitoring terminal box in real time, and these information are sent to the data concentrator 2 that is arranged in the control room by wireless mode.After data concentrator 2 gathers the humidity information of each terminal box again, pass through Ethernet, these information are sent to supervisory control comuter 3,3 pairs of humidity datas of supervisory control comuter are resolved, the issue of processing and information, by patterned interface, the staff just can monitor the operational environment of terminal box and the operation of moisture separating device on supervisory control comuter 3.
Communicate by wireless mode between humidity control terminal 1 and the data concentrator 2, adopt the ZigBee agreement based on IEEE 802.15.4 standard, grid structure adopts the Mesh framework.Free 2.4GHz channel is adopted in ZigBee communication, a plurality of nodal informations is concentrated on a central coordinator of territory net, by all Monitoring Data of coordinator node telemanagement.The ZigBee agreement is supported MANET, can add or cancel monitoring node easily and flexibly.ZigBee agreement regulation, the Mesh network is made up of coordinator node, router node and terminal node.The task of telegon and router is to send and route data, can not dormancy; Terminal is route data not, can dormancy when not sending data; Telegon is the initiation and the organizer of network simultaneously, and network is safeguarded.
Owing to can provide reliable power supply in the terminal box, humidity control terminal 1 is configured to router, humidity control terminal like this 1 is relaying each other just, is other humidity control terminal 1 route datas; Data concentrator 2 is configured to telegon, is responsible for setting up and maintaining network.Because the distance of humidity control terminal 1 transmission data is limited, when itself and data concentrator 2 too far away or when existing shelter to establish a communications link because of communication distance, trunk module 4 can be installed in position, trunk module 4 is between humidity control terminal 1 and data concentrator 2, wireless connections humidity control terminal 1 and data concentrator 2 assist the two to establish a communications link.Trunk module 4 is configured to router equally.
What communicating by letter between data concentrator 2 and the supervisory control comuter 3 used is original information channel transformer station in, and the communication of power system agreement of employing standard does not need to lay in addition communication line, and supervisory control comuter 3 can obtain terrain information easily.
See also Fig. 2, be the hardware structure diagram of the humidity control terminal in the utility model, described humidity control terminal 1 comprises power supply 12, digital humidity sensor 14, MCU (microcontroller) 16, relay drive circuit 17 and ZigBee RF chip 18.
Described power supply 12 is connected to digital humidity sensor 14, MCU 16, relay drive circuit 17 and ZigBee RF chip 18 simultaneously, gives each parts power supply.Digital humidity sensor 14, relay drive circuit 17 and ZigBee RF chip 18 all are connected to MCU 16, by MCU 16 controls.
Power supply 12 adopts the power supply power supply of 220V AC/DC, avoids taking place under the AC dump situation, and system can't work.Digital humidity sensor 14 is adopted in the measurement of humidity, does not need to carry out temperature and floats processing, can obtain the humidity information of environment apace, and information is kept among the RAM (data storage) of self.MCU 16 is control cores, obtains the humidity information of digital humidity sensor 14 by universal serial bus, data are carried out simple process after, with its packing, send to data concentrator 2 by ZigBee RF chip 18.MCU 16 can operate by relay drive circuit 17 control heaters and ventilating fan according to remote command, and monitors the operation conditions of the two, in case occur immediately abnormal information being uploaded to the supervisory control comuter 3 in a distant place unusually, notifies the operations staff in time to handle.When humidity is reduced to certain limit, MCU16 gives an order, and stops the operation of heater and ventilating fan.
In order to realize the monitoring to humidity control terminal 1, each humidity control terminal 1 is unique address of correspondence all, and the remote monitoring order of supervisory control comuter 3 directly is issued to humidity control terminal 1.In the signal procedure design, calculate routing iinformation according to AODV (distance vector as required) agreement, not only can obtain optimum routing iinformation fast, the non-coordinator node in network breaks down, can recomputate route, packet is sent to assigned address fast.
See also Fig. 3, it is the hardware structure diagram of the trunk module in the utility model, trunk module 4 does not need to carry out moisture measurement and relay output, only play the effect of relaying, therefore on hardware, lacked digital humidity sensor and relay drive circuit than above-mentioned humidity control terminal 1, only need realize routing algorithm on the software according to the ZigBee stipulations.Trunk module 4 comprises power supply 42, MCU (microcontroller) 44 and ZigBee RF chip 46.Described power supply 42 is connected to MCU 44 and ZigBee RF chip 46, and to its power supply, ZigBee RF chip 46 is connected to MCU 44, by its control.
Seeing also Fig. 4, is the hardware structure diagram of the data concentrator in the utility model, and the data concentrator hardware components comprises power supply 22, MCU 24, ZigBee RF chip 26 and Ethernet interface 28.Power supply 22 is connected to MCU24, ZigBee RF chip 26 and Ethernet interface 28 simultaneously, is each parts power supply, and ZigBee RF chip 26 and Ethernet interface 28 are connected respectively to MCU 24, by its control.
On the supervisory control comuter 3 of transformer station humidity remote monitoring and management system software are installed, on function, it passes through Ethernet, obtain the humidity information of each terminal box, after information resolved, on graphical interfaces, show, on a time period humidity information is made form, inquiry and printing function are provided.When humidity raises, surpass warning line, system sends warning message.At this time, the staff can drive damp heater and ventilating fan by remote activation, and the warning preset value can be provided with by software.After heater and ventilating fan starting command were sent, system can monitor its operation conditions, if find and can't start that system will send warning message, reminded the staff in time to handle.
An example of the course of work of use the utility model transformer station's terminal box humidity remote monitoring and management system is as described below.
Humidity control terminal 1 is gathered the humidity information in the terminal box one time by digital humidity sensor 14 every 20s, deliver to MCU 16 by universal serial bus, MCU 16 packs data according to certain form after, send the data to data concentrator 2 by ZigBee RF chip 18 according to the ZigBee stipulations, after data concentrator is received the data of humidity control terminal 1 by ZigBee RF chip 26, it is kept in the data storage of self, if supervisory control comuter 3 is called the survey data together to it, data concentrator 2 is just packed the data of calling together survey according to the electric power system stipulations of standard, be sent to supervisory control comuter 3 by Ethernet interface 28, after supervisory control comuter 3 is received data, it is carried out data parsing, be stored in the self database after the scale conversion, and real-time humidity value is presented on the man-machine interface.If humidity value surpasses the warning preset value, system can send warning message, at this time the staff long-range send to start drive damp heater and ventilating fan order, the two startup work, system monitors its ruuning situation.If humidity drops to and drives tide and stop preset value, system gives an order, and moisture separating device quits work.
Claims (9)
1. transformer station's terminal box humidity remote monitoring and management system, it is characterized in that: comprise humidity control terminal, data concentrator and supervisory control comuter, wireless connections between described humidity control terminal and the data concentrator, wired or radio communication connection between data concentrator and the supervisory control comuter, described humidity control terminal is installed in the terminal box, and described data concentrator is positioned at the control room.
2. transformer station as claimed in claim 1 terminal box humidity remote monitoring and management system, it is characterized in that: also comprise trunk module, described trunk module between humidity control terminal and data concentrator, wireless connections humidity control terminal and data concentrator.
3. transformer station as claimed in claim 1 or 2 terminal box humidity remote monitoring and management system is characterized in that: described humidity control terminal configuration becomes router, and described data concentrator is configured to telegon.
4. transformer station as claimed in claim 2 terminal box humidity remote monitoring and management system is characterized in that: described trunk module is configured to router.
5. transformer station as claimed in claim 1 or 2 terminal box humidity remote monitoring and management system, it is characterized in that: described humidity control terminal comprises power supply, digital humidity sensor, MCU, relay drive circuit and ZigBeeRF chip, described power supply is connected to digital humidity sensor, MCU, relay drive circuit and ZigBee RF chip simultaneously, and digital humidity sensor, relay drive circuit and ZigBee RF chip all are connected to MCU.
6. transformer station as claimed in claim 5 terminal box humidity remote monitoring and management system is characterized in that: described power supply adopts the power supply of 220V AC/DC.
7. transformer station as claimed in claim 2 terminal box humidity remote monitoring and management system, it is characterized in that: described trunk module comprises power supply, MCU and ZigBee RF chip, described power supply is connected to MCU and ZigBee RF chip, and ZigBee RF chip is connected to MCU.
8. transformer station as claimed in claim 1 or 2 terminal box humidity remote monitoring and management system, it is characterized in that: described data concentrator comprises power supply, MCU, ZigBee RF chip and Ethernet interface, power supply is connected to MCU, ZigBee RF chip and Ethernet interface simultaneously, ZigBee RF chip and Ethernet interface are connected respectively to MCU, and described data concentrator is connected with supervisory control comuter by Ethernet interface.
9. transformer station as claimed in claim 8 terminal box humidity remote monitoring and management system is characterized in that: described power supply adopts the power supply of 220V AC/DC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201831083U CN201570902U (en) | 2009-09-28 | 2009-09-28 | System for remotely monitoring and managing humidity of terminal box of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201831083U CN201570902U (en) | 2009-09-28 | 2009-09-28 | System for remotely monitoring and managing humidity of terminal box of transformer substation |
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| Publication Number | Publication Date |
|---|---|
| CN201570902U true CN201570902U (en) | 2010-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009201831083U Expired - Fee Related CN201570902U (en) | 2009-09-28 | 2009-09-28 | System for remotely monitoring and managing humidity of terminal box of transformer substation |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183948A (en) * | 2011-02-21 | 2011-09-14 | 绍兴电力局 | Online monitoring module for moisture-removing heater of transformer substation equipment |
| CN102403661A (en) * | 2011-12-01 | 2012-04-04 | 河南省电力公司信阳供电公司 | Novel terminal box |
| CN103472875A (en) * | 2013-09-17 | 2013-12-25 | 国家电网公司 | Ring main unit damp-proof temperature control system and method based on GPRS |
| CN103595132A (en) * | 2013-11-15 | 2014-02-19 | 国家电网公司 | Intelligent monitoring system of air conditioners of transformer substation |
| CN104637238A (en) * | 2015-02-03 | 2015-05-20 | 国家电网公司 | Transformer substation terminal box and mechanism box heating moisture-dispelling alarm device |
| CN104730117A (en) * | 2013-12-20 | 2015-06-24 | 国家电网公司 | Outdoor electrical equipment detection device |
| CN104734339A (en) * | 2013-12-20 | 2015-06-24 | 国家电网公司 | Outdoor electrical equipment detecting device |
| CN104731032A (en) * | 2013-12-20 | 2015-06-24 | 国家电网公司 | Outdoor electrical equipment monitoring device |
| CN104732736A (en) * | 2013-12-20 | 2015-06-24 | 国家电网公司 | Outdoor electrical equipment condensation alarm device |
| CN107449468A (en) * | 2017-09-01 | 2017-12-08 | 国网山东省电力公司滨州供电公司 | A kind of terminal box of transformer substation state monitoring apparatus |
| CN107909776A (en) * | 2017-12-21 | 2018-04-13 | 国网河北省电力有限公司衡水供电分公司 | A kind of terminal box humidity real-time monitoring and alarming device |
| US10055781B2 (en) | 2015-06-05 | 2018-08-21 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
| US10909607B2 (en) | 2015-06-05 | 2021-02-02 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
-
2009
- 2009-09-28 CN CN2009201831083U patent/CN201570902U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183948A (en) * | 2011-02-21 | 2011-09-14 | 绍兴电力局 | Online monitoring module for moisture-removing heater of transformer substation equipment |
| CN102403661A (en) * | 2011-12-01 | 2012-04-04 | 河南省电力公司信阳供电公司 | Novel terminal box |
| CN103472875B (en) * | 2013-09-17 | 2015-11-11 | 国家电网公司 | Based on ring main unit damp-proof temperature control system and the method for GPRS |
| CN103472875A (en) * | 2013-09-17 | 2013-12-25 | 国家电网公司 | Ring main unit damp-proof temperature control system and method based on GPRS |
| CN103595132A (en) * | 2013-11-15 | 2014-02-19 | 国家电网公司 | Intelligent monitoring system of air conditioners of transformer substation |
| CN103595132B (en) * | 2013-11-15 | 2015-11-18 | 国家电网公司 | A kind of transformer station intelligent monitoring of air conditioning system |
| CN104730117A (en) * | 2013-12-20 | 2015-06-24 | 国家电网公司 | Outdoor electrical equipment detection device |
| CN104734339A (en) * | 2013-12-20 | 2015-06-24 | 国家电网公司 | Outdoor electrical equipment detecting device |
| CN104731032A (en) * | 2013-12-20 | 2015-06-24 | 国家电网公司 | Outdoor electrical equipment monitoring device |
| CN104732736A (en) * | 2013-12-20 | 2015-06-24 | 国家电网公司 | Outdoor electrical equipment condensation alarm device |
| CN104637238A (en) * | 2015-02-03 | 2015-05-20 | 国家电网公司 | Transformer substation terminal box and mechanism box heating moisture-dispelling alarm device |
| US10055781B2 (en) | 2015-06-05 | 2018-08-21 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
| US10909607B2 (en) | 2015-06-05 | 2021-02-02 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
| CN107449468A (en) * | 2017-09-01 | 2017-12-08 | 国网山东省电力公司滨州供电公司 | A kind of terminal box of transformer substation state monitoring apparatus |
| CN107909776A (en) * | 2017-12-21 | 2018-04-13 | 国网河北省电力有限公司衡水供电分公司 | A kind of terminal box humidity real-time monitoring and alarming device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: QUANZHOU SEVENSTARS ELECTRIC CO., LTD. Free format text: FORMER OWNER: QUANZHOU KELI ELECTRIC CO., LTD. Effective date: 20121211 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121211 Address after: 362000 Qixing Industrial Park, Jiangnan hi tech electronic zone, Licheng District, Fujian, Quanzhou Patentee after: Quanzhou Sevenstars Electric Co., Ltd. Address before: Fengze District of Quanzhou city Fujian province 362000 Shipu Xun Mei Industrial Zone Hardware Factory East building two floor, third floor Patentee before: Quanzhou Keli Electric Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20150928 |
|
| EXPY | Termination of patent right or utility model |