CN101895072A - Method and system for preventing fault rod climbing of overhead power transmission line - Google Patents
Method and system for preventing fault rod climbing of overhead power transmission line Download PDFInfo
- Publication number
- CN101895072A CN101895072A CN 201010216365 CN201010216365A CN101895072A CN 101895072 A CN101895072 A CN 101895072A CN 201010216365 CN201010216365 CN 201010216365 CN 201010216365 A CN201010216365 A CN 201010216365A CN 101895072 A CN101895072 A CN 101895072A
- Authority
- CN
- China
- Prior art keywords
- shaft tower
- information
- transmission line
- tower
- climbing
- 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.)
- Granted
Links
Images
Landscapes
- Emergency Alarm Devices (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention discloses a method and a system for preventing fault rod climbing of an overhead power transmission line. The system comprises an electronic label, an information server and a detection device, wherein the electronic label is arranged on a tower of the overhead power transmission line for labeling information of the tower; the information server is used for storing the corresponding relationship between the information of the electronic label and the information of the tower; the detection device is used for reading the information of the electronic label of the tower to be climbed from the information server, and storing the information of the electronic label; and before the tower is climbed, the detection device reads the information of the electronic label of the tower, and determines whether the tower is a tower to be climbed or not. The method can effectively prevent operators from fault rod climbing or crossing, and has the characteristics of convenience and high efficiency, safety and reliability.
Description
Technical field
The present invention relates to the power safety technique field, relate in particular to a kind of preventing fault rod climbing of overhead power transmission line method and system based on radio RF recognition technology.
Background technology
Transmission line is being born the important function of transmission of electric energy in electric power system, can be divided into overhead transmission line and cable line according to structure, and wherein overhead transmission line is topmost version.Formations such as overhead transmission line route overhead line structures, lead, insulator, line hardware, backguy, pole and tower foundation, earthing device are erected on the ground.The electric power personnel often need climb up overhead line structures, detect, safeguard, overhaul, work such as transformation.If the fault rod climbing tower is climbed up the live wire road and (when different circuits are joint used, can be existed the circuit on the shaft tower one side cross-arm not have, and the circuit on the opposite side cross-arm has the situation of electricity, if mistake is stepped on cross-arm, also can climb up the live wire road), can cause personnel's injures and deaths of falling of getting an electric shock.Therefore, the fault rod climbing tower is the most serious serious accident of electric power system transmission of electricity industry, how effectively to prevent this class serious accident, is the problem of power system security managerial demand further investigation.
At present, although electric power system has a lot of organiztion measures to prevent fault rod climbing, for example want before the upper boom strictness to check line name, bar number and colour code, but overhead transmission line landform, landforms complexity, have a lot of parallel or scissors crossing circuits, with many loop lines road of tower erection, the handwriting is blurred or disappearance for part shaft tower even pole tag, if personnel guard not in place, just very easily cause fault rod climbing, cause personnel's injures and deaths of getting an electric shock.
Summary of the invention
The embodiment of the invention proposes a kind of preventing fault rod climbing of overhead power transmission line method and system, can effectively prevent staff's fault rod climbing tower or cross-arm, has simple and effective, safe and reliable characteristics.
The embodiment of the invention provides a kind of preventing fault rod climbing of overhead power transmission line method, comprising:
On the overhead transmission line line pole tower, electronic tag is installed, the corresponding relation of electronic labeling information and shaft tower information is stored in the information server;
From described information server, read the electronic labeling information of waiting to climb shaft tower, described electronic labeling information is stored in the checkout gear;
Before climbing shaft tower, use checkout gear to read the electronic labeling information of shaft tower, and judge whether described shaft tower is shaft tower to be climbed.
Further, on the overhead transmission line line pole tower, install after the electronic tag, also comprise:
The use harvester reads the electronic labeling information on the overhead transmission line line pole tower, disposes the corresponding relation of electronic labeling information and shaft tower information, and described correspondence relationship information is sent in the information server.
Correspondingly, the embodiment of the invention also provides a kind of preventing fault rod climbing of overhead power transmission line system, comprising:
Electronic tag is installed on the overhead transmission line line pole tower, is used to identify the information of described shaft tower;
Information server is used for the corresponding relation of store electrons label information and shaft tower information;
Checkout gear is used for reading the electronic labeling information of waiting to climb shaft tower from described information server, and stores described electronic labeling information; Before climbing shaft tower, read the electronic labeling information of shaft tower, and judge whether described shaft tower is shaft tower to be climbed.
Further, described system also comprises:
Harvester is used to read the electronic labeling information on the overhead transmission line line pole tower, disposes the corresponding relation of electronic labeling information and shaft tower information, and described correspondence relationship information is sent in the information server.
Implement the embodiment of the invention, have following beneficial effect:
The preventing fault rod climbing of overhead power transmission line method and system that the embodiment of the invention provides are installed electronic tag on the overhead transmission line line pole tower, be used to identify the information of shaft tower.Before climbing shaft tower, use checkout gear to read the electronic labeling information of shaft tower, determine according to electronic labeling information whether described shaft tower is shaft tower to be climbed, thereby avoid staff's fault rod climbing tower or cross-arm, guarantee staff's personal safety.The embodiment of the invention makes up the preventing fault rod climbing system based on radio RF recognition technology, has simple and effective, safe and reliable characteristics.
Description of drawings
Fig. 1 is the schematic flow sheet of preventing fault rod climbing of overhead power transmission line method provided by the invention;
Fig. 2 is the structural representation of first embodiment of preventing fault rod climbing of overhead power transmission line provided by the invention system;
Fig. 3 is the structural representation of checkout gear provided by the invention;
Fig. 4 is the structural representation of harvester provided by the invention;
Fig. 5 is the structural representation of second embodiment of preventing fault rod climbing of overhead power transmission line provided by the invention system.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Radio RF recognition technology (Radio Frequency Identification, RFID) be a kind of non-contacting automatic identification technology, it is by the automatic recognition objective object of radiofrequency signal and obtain related data, and identification work need not manual intervention, can work in various adverse circumstances.Radio frequency identification system comprises reader (also claiming read write line, interrogator) and RFID passive electronic label (hereinafter referred to as " electronic tag ") two parts: electronic tag is the data medium of radio-frequency recognition system, be made up of label antenna and label special chip, each electronic tag has unique identifier (being called for short ID).Reader carries out radio communication by antenna and electronic tag, finishes identification or read/write operation to electronic tag.
The embodiment of the invention provides a kind of preventing fault rod climbing of overhead power transmission line method and system based on the RFID technology, has simple and effective, safe and reliable characteristics, can effectively prevent staff's fault rod climbing tower or cross-arm.Below in conjunction with Fig. 1～Fig. 5, the embodiment of the invention is described in detail.
Referring to Fig. 1, be the schematic flow sheet of preventing fault rod climbing of overhead power transmission line method provided by the invention; Said method comprising the steps of:
S101 installs electronic tag on the overhead transmission line line pole tower, the corresponding relation of electronic labeling information and shaft tower information is stored in the information server;
During concrete enforcement, electronic tag can be installed near the pin nail of shaft tower, be used to identify the information of shaft tower or cross-arm.Each electronic tag has unique ID, corresponding to a basic shaft tower.(a plurality of cross-arms for example are set on the shaft tower, and the circuit that different cross-arm supported is inequality) then installs electronic tag between cross-arm and shaft tower main part when joint use on many loop lines road, makes electronic tag corresponding one by one with the cross-arm on every loop line road.
On shaft tower, installed after the electronic tag, also comprise: the use harvester reads the electronic labeling information on the overhead transmission line line pole tower, dispose the corresponding relation of electronic labeling information and shaft tower information, and described correspondence relationship information is sent in the information server.
Information server stores has electronic labeling information, shaft tower information and both corresponding relations.
S102 reads the electronic labeling information of waiting to climb shaft tower from described information server, described electronic labeling information is stored in the checkout gear;
S103 before climbing shaft tower, uses checkout gear to read the electronic labeling information of shaft tower, and judges whether described shaft tower is shaft tower to be climbed.Specific as follows:
Before climbing shaft tower, use checkout gear to read the electronic labeling information of shaft tower; The electronic labeling information of storing in described electronic labeling information and the described checkout gear of climbing overhead line structures of waiting is compared; If both conform to, determine that then described shaft tower is shaft tower to be climbed; If both do not conform to, determine that then described shaft tower is a keeping off people climbing pyton.Optionally, after described checkout gear determines that described shaft tower is keeping off people climbing pyton, also provide sound and light alarm, forbid that the staff climbs shaft tower.
The preventing fault rod climbing of overhead power transmission line method that the embodiment of the invention provides is installed electronic tag on the overhead transmission line line pole tower, be used to identify the information of shaft tower.Before climbing shaft tower, read the electronic labeling information of shaft tower earlier, determine according to electronic labeling information whether described shaft tower is shaft tower to be climbed, thereby avoid staff's fault rod climbing tower or cross-arm to have simple and effective, safe and reliable characteristics.
Referring to Fig. 2, be the structural representation of first embodiment of preventing fault rod climbing of overhead power transmission line provided by the invention system;
This system comprises electronic tag 1, information server 2 and checkout gear 3, and is specific as follows:
Electronic tag 1 is installed on the overhead transmission line line pole tower, is used to identify the information of described shaft tower;
Information server 2 is used for the corresponding relation of store electrons label information and shaft tower information;
Further, as shown in Figure 2, described system also comprises harvester 4, is used to read the electronic labeling information on the overhead transmission line line pole tower, dispose the corresponding relation of electronic labeling information and shaft tower information, and described correspondence relationship information is sent in the information server 2.
As shown in Figure 3, described checkout gear 3 specifically comprises:
Wait to step on bar information acquisition module 31, be used for reading the electronic labeling information of waiting to climb shaft tower, and store described electronic labeling information from information server 2;
Electronic label read/write 32 communicates by the electronic tag on antenna and the overhead transmission line line pole tower, reads the electronic labeling information of described shaft tower;
As shown in Figure 4, described harvester 4 specifically comprises:
Wireless radio frequency identification reader-writer 41 is used to read the electronic labeling information on the overhead transmission line line pole tower;
The embodiment of the invention is based on the preventing fault rod climbing system of RFID technique construction, can realize all flow processs of the preventing fault rod climbing of overhead power transmission line method of the foregoing description, can effectively prevent staff's fault rod climbing tower or cross-arm, guarantee staff's personal safety, have simple and effective, safe and reliable characteristics.
In the middle of concrete enforcement, " harvester " that the foregoing description provides can be configured to a palmtop PC, and (Personal Digital Assistant PDA), is convenient to installation personnel and is carried; " checkout gear " that the foregoing description provides can be arranged to a preventing fault rod climbing wrist-watch, wears on staff's wrist; " information server " that the foregoing description provides is configurable in work station, carries out maintenance of information by the attendant.Referring to Fig. 5, be the structural representation of second embodiment of preventing fault rod climbing of overhead power transmission line provided by the invention system.
As shown in Figure 5, electronic tag is installed near the pin nail of shaft tower bottom, and this electronic tag can be adopted the metal surface that directly is installed on shaft tower in the method for paste.During concrete enforcement, electronic tag can be installed in new line shaft tower process of construction, perhaps installs in old overhead line structures tour, maintenance, maintenance process.
PDA shown in Figure 5 possesses the 26S Proteasome Structure and Function of " harvester " of the foregoing description.When installation personnel after a certain electronic tag has been installed on the shaft tower, use PDA to read the ID of this electronic tag, and set up the unique corresponding relation of shaft tower numbering and electronic tag ID.And, electronic tag is installed between cross-arm and shaft tower main part then, and set up the unique corresponding relation of cross-arm numbering and electronic tag ID for two the returning or many back transmission lines of joint using.After the electronic tag of shaft tower was installed and finished, PDA and work station communicated, and the corresponding relation of electronic tag ID and shaft tower information is sent to work station.
Work station shown in Figure 5 has disposed by " information server " of the foregoing description.This work station has been installed the preventing fault rod climbing information system, and the attendant utilizes this system, can realize the functions such as newly-increased, modification, deletion to corresponding relation between shaft tower information and electronic tag ID, and imports License Info into staff anti-error and step in the wrist-watch.
Wrist-watch shown in Figure 5 is the anti-error wrist-watch of stepping on that possesses " checkout gear " function of the foregoing description.Step on before bar work begins when one,, login the preventing fault rod climbing information system of work station, select shaft tower and cross-arm to be climbed according to need of work, and read corresponding electronic tag ID by the personnel that possess certain safe practice level and rights of using.After the being checked affirmation, License Info (promptly waiting to climb the electronic tag ID of shaft tower) is sent in all preventing fault rod climbing wrist-watches of stepping on the bar staff.
Wrist-watch shown in Figure 5 (being the preventing fault rod climbing wrist-watch) is worn on staff's wrist, the staff climbs in the shaft tower process, when wrist-watch during near the electronic tag on the shaft tower, can read the ID of electronic tag, and License Info automatic and that prestore compares, if conform to, then judge shaft tower to be climbed or cross-arm that this shaft tower is, if be not inconsistent, judge that then this shaft tower is a keeping off people climbing pyton, and carry out sound and light alarm at once, and remind the staff to step on by mistake, avoid staff's mistake to step on the overhead transmission line line pole tower.
The preventing fault rod climbing of overhead power transmission line method and system that the embodiment of the invention provides are installed electronic tag on the overhead transmission line line pole tower, be used to identify the information of shaft tower.Before climbing shaft tower, use checkout gear to read the electronic labeling information of shaft tower, determine according to electronic labeling information whether described shaft tower is shaft tower to be climbed, thereby avoid staff's fault rod climbing tower or cross-arm, guarantee staff's personal safety.The embodiment of the invention makes up the preventing fault rod climbing system based on radio RF recognition technology, has simple and effective, safe and reliable characteristics.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The above is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (10)
1. a preventing fault rod climbing of overhead power transmission line method is characterized in that, comprising:
On the overhead transmission line line pole tower, electronic tag is installed, the corresponding relation of electronic labeling information and shaft tower information is stored in the information server;
From described information server, read the electronic labeling information of waiting to climb shaft tower, described electronic labeling information is stored in the checkout gear;
Before climbing shaft tower, use checkout gear to read the electronic labeling information of shaft tower, and judge whether described shaft tower is shaft tower to be climbed.
2. preventing fault rod climbing of overhead power transmission line method as claimed in claim 1 is characterized in that, installs after the electronic tag on the overhead transmission line line pole tower, also comprises:
The use harvester reads the electronic labeling information on the overhead transmission line line pole tower, disposes the corresponding relation of electronic labeling information and shaft tower information, and described correspondence relationship information is sent in the information server.
3. preventing fault rod climbing of overhead power transmission line method as claimed in claim 1 or 2 is characterized in that, and is described before climbing shaft tower, uses checkout gear to read the electronic labeling information of shaft tower, and judges that whether described shaft tower is shaft tower to be climbed, and specifically comprises:
Before climbing shaft tower, use checkout gear to read the electronic labeling information of shaft tower;
The electronic labeling information of storing in described electronic labeling information and the described checkout gear of climbing shaft tower of waiting is compared;
If both conform to, determine that then described shaft tower is shaft tower to be climbed;
If both do not conform to, determine that then described shaft tower is a keeping off people climbing pyton.
4. preventing fault rod climbing of overhead power transmission line method as claimed in claim 3 is characterized in that, described method also comprises:
Described checkout gear provides sound and light alarm after definite described shaft tower is keeping off people climbing pyton.
5. preventing fault rod climbing of overhead power transmission line method as claimed in claim 4 is characterized in that, described checkout gear communicates by the electronic tag on antenna and the overhead transmission line line pole tower, reads the electronic labeling information of described shaft tower.
6. a preventing fault rod climbing of overhead power transmission line system is characterized in that, comprising:
Electronic tag is installed on the overhead transmission line line pole tower, is used to identify the information of described shaft tower;
Information server is used for the corresponding relation of store electrons label information and shaft tower information;
Checkout gear is used for reading the electronic labeling information of waiting to climb shaft tower from described information server, and stores described electronic labeling information; Before climbing shaft tower, read the electronic labeling information of shaft tower, and judge whether described shaft tower is shaft tower to be climbed.
7. preventing fault rod climbing of overhead power transmission line as claimed in claim 6 system is characterized in that described system also comprises:
Harvester is used to read the electronic labeling information on the overhead transmission line line pole tower, disposes the corresponding relation of electronic labeling information and shaft tower information, and described correspondence relationship information is sent in the information server.
8. as claim 6 or 7 described preventing fault rod climbing of overhead power transmission line systems, it is characterized in that described checkout gear specifically comprises:
Wait to step on bar information acquisition module, be used for reading the electronic labeling information of waiting to climb shaft tower, and store described electronic labeling information from information server;
Electronic label read/write communicates by the electronic tag on antenna and the overhead transmission line line pole tower, reads the electronic labeling information of described shaft tower;
The information identification module, with electronic labeling information that described electronic label read/write read with wait that the electronic labeling information of climbing shaft tower compares; If both conform to, determine that then described shaft tower is shaft tower to be climbed; If both do not conform to, determine that then described shaft tower is a keeping off people climbing pyton.
9. preventing fault rod climbing of overhead power transmission line as claimed in claim 8 system is characterized in that described checkout gear also comprises:
Alarm module is used for providing sound and light alarm after definite described shaft tower is keeping off people climbing pyton.
10. preventing fault rod climbing of overhead power transmission line as claimed in claim 7 system is characterized in that described harvester specifically comprises:
Wireless radio frequency identification reader-writer is used to read the electronic labeling information on the overhead transmission line line pole tower;
Message processing module is used to dispose the corresponding relation of electronic labeling information and shaft tower information, and described correspondence relationship information is sent in the information server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010216365XA CN101895072B (en) | 2010-07-02 | 2010-07-02 | Method and system for preventing fault rod climbing of overhead power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010216365XA CN101895072B (en) | 2010-07-02 | 2010-07-02 | Method and system for preventing fault rod climbing of overhead power transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101895072A true CN101895072A (en) | 2010-11-24 |
| CN101895072B CN101895072B (en) | 2012-09-26 |
Family
ID=43104187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010216365XA Expired - Fee Related CN101895072B (en) | 2010-07-02 | 2010-07-02 | Method and system for preventing fault rod climbing of overhead power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101895072B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279580A (en) * | 2011-03-29 | 2011-12-14 | 珠海共创电力安全技术股份有限公司 | Power transmission line microcomputer anti-error locking system and method |
| CN107506807A (en) * | 2017-07-14 | 2017-12-22 | 中国电力科学研究院 | A kind of transmission tower message identification and traceability system and method based on electronic tag |
| CN110994452A (en) * | 2019-12-11 | 2020-04-10 | 深圳供电局有限公司 | Sequential solar power transmission line field operation method and system |
| CN112729230A (en) * | 2020-12-22 | 2021-04-30 | 南方电网电力科技股份有限公司 | Method and system for identifying mistaken climbing of power distribution line operating personnel on tower |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1484755A (en) * | 2000-12-27 | 2004-03-24 | ������������ʽ���� | Temperature monitor for electro-mechanical part |
| CN201247470Y (en) * | 2008-05-09 | 2009-05-27 | 杜文军 | Identification system for pole tower |
| CN101692291A (en) * | 2009-06-26 | 2010-04-07 | 深圳市科陆电子科技股份有限公司 | Method for inspecting substation equipment |
| CN201838933U (en) * | 2010-07-02 | 2011-05-18 | 武汉和鸣电气自动化有限公司 | Error rod climbing-resistant system of overhead power transmission line |
-
2010
- 2010-07-02 CN CN201010216365XA patent/CN101895072B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1484755A (en) * | 2000-12-27 | 2004-03-24 | ������������ʽ���� | Temperature monitor for electro-mechanical part |
| CN201247470Y (en) * | 2008-05-09 | 2009-05-27 | 杜文军 | Identification system for pole tower |
| CN101692291A (en) * | 2009-06-26 | 2010-04-07 | 深圳市科陆电子科技股份有限公司 | Method for inspecting substation equipment |
| CN201838933U (en) * | 2010-07-02 | 2011-05-18 | 武汉和鸣电气自动化有限公司 | Error rod climbing-resistant system of overhead power transmission line |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279580A (en) * | 2011-03-29 | 2011-12-14 | 珠海共创电力安全技术股份有限公司 | Power transmission line microcomputer anti-error locking system and method |
| CN107506807A (en) * | 2017-07-14 | 2017-12-22 | 中国电力科学研究院 | A kind of transmission tower message identification and traceability system and method based on electronic tag |
| CN110994452A (en) * | 2019-12-11 | 2020-04-10 | 深圳供电局有限公司 | Sequential solar power transmission line field operation method and system |
| CN112729230A (en) * | 2020-12-22 | 2021-04-30 | 南方电网电力科技股份有限公司 | Method and system for identifying mistaken climbing of power distribution line operating personnel on tower |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101895072B (en) | 2012-09-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201838933U (en) | Error rod climbing-resistant system of overhead power transmission line | |
| CN201780604U (en) | Intelligent museum management system | |
| CN201060267Y (en) | Tracking position location system | |
| CN101895072B (en) | Method and system for preventing fault rod climbing of overhead power transmission line | |
| CN108198089B (en) | Switching operation full-process intelligent management and control system and method | |
| CN101660428A (en) | Method and device for alarming and monitoring underground operations | |
| CN111601249A (en) | UWB positioning-based virtual electronic fence generation method, device and equipment | |
| CN214475124U (en) | Construction operation safety control system | |
| CN104376348A (en) | Local-area intelligent monitoring system | |
| CN203707645U (en) | Temporary grounding wire hanging information monitoring device in substation operation site | |
| CN202493290U (en) | Personnel management system for mine | |
| CN207216677U (en) | Smart city well lid management system | |
| CN204102174U (en) | A kind of handheld device for Intelligent well cover supervisory system | |
| CN204228877U (en) | Contact net maintenance hanging earthing conductor visual inspection report locating device | |
| CN101149811A (en) | Memory device information mark system and method | |
| CN112180203A (en) | Transmission line overhauls uses localization tracking system | |
| CN110866568A (en) | Power equipment identification system based on RFID | |
| CN105844310A (en) | Tunnel construction safety monitoring device | |
| CN210836453U (en) | Anti-theft monitoring device for overhead cable | |
| CN102956091B (en) | Mobile monitoring terminal and method for processing business thereof and transaction processing system | |
| CN203177977U (en) | Closed type cable device temperature on-line monitoring system based on wireless radio frequency technology | |
| CN103679375A (en) | Electric wire repair management system | |
| Qinghua et al. | Object position tracking based on e-map and RFID in coal mine | |
| CN105809221A (en) | Construction safety locating and monitoring system | |
| CN103573291A (en) | Mine worker management system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20130702 |