CN104973516A - Moment limiter based on WiFi wireless communication network and Android system - Google Patents
Moment limiter based on WiFi wireless communication network and Android system Download PDFInfo
- Publication number
- CN104973516A CN104973516A CN201510383960.5A CN201510383960A CN104973516A CN 104973516 A CN104973516 A CN 104973516A CN 201510383960 A CN201510383960 A CN 201510383960A CN 104973516 A CN104973516 A CN 104973516A
- Authority
- CN
- China
- Prior art keywords
- android system
- wifi
- moment
- data
- protection module
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/40—Applications of devices for transmitting control pulses; Applications of remote control devices
- B66C13/44—Electrical transmitters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention provides a moment limiter based on a WiFi wireless communication network and an Android system. The moment limiter comprises an on-site crane moment safety protection module and a plurality of hand-held monitoring terminals based on the Android system, wherein the on-site crane moment safety protection module is in communication connection with the plurality of hand-held monitoring terminals. The moment limiter provided by the invention is based on the WiFi wireless communication network and employs the Android system to provide multi-point remote technical support to a standard crane safety protection device; meanwhile, the moment limiter has a built-in network module which can be used for transmission of remote network data.
Description
Technical field
The present invention relates to a kind of limiter of moment, particularly a kind of limiter of moment based on WiFi cordless communication network, Android system.
Background technology
For most of force moment of crane load limiter of the same type, it is all often a machine one screen.Other staff at the scene, can only carry out technical support by other means to the operating personal of equipment, cause efficiency not high, and there is certain safety of operation risk, when equipment is in abnormal working position, seem helpless.Due to mistakes such as the Crane Load curve tables that client provides, when needing to install or use force moment of crane (overload) killer at the scene, just find that dependent program needs amendment.In order to the needs of satisfied reality, improve the response events of event, reduce service fee, just need the exploitation of the comprehensive crane safety protector of the multi-point remote technical support carrying out corresponding on-the-spot red tape operation.
Summary of the invention
The invention provides a kind of limiter of moment based on WiFi cordless communication network, Android system, based on WIFI wireless communication networks, adopt Android system, multi-point remote technical support is carried out to standard form crane safety protector.Embedded with network module, can carry out remote network data transmission simultaneously.
The technical solution adopted in the present invention is:
A kind of limiter of moment based on WiFi cordless communication network, Android system; comprise on-the-spot force moment of crane security protection module, multiple handheld monitor terminal based on android system, described on-the-spot force moment of crane security protection module is connected with multiple handheld monitor terminal communication based on android system by WiFi network.
Described on-the-spot force moment of crane security protection module comprises signal processing unit, and described signal processing unit connects weight sensor, amplitude sensor, height sensor, air velocity transducer, aspect sensor respectively; Described signal processing unit connects field control unit, data storage cell, the first WiFi communication unit.
Each handheld monitor terminal based on android system comprises control unit, and control unit is provided with cloud data bank, and control unit connects the second WiFi communication unit.
Described signal processing unit connects read-out.Read-out model is for being WTL-A650V-XS, and 8.0 inches, resolution is 800x600, adopts 65K colour system system, with the parameter display requirement of satisfied on-the-spot weight-lifting equipment.
Described signal processing unit adopts Cortex-M3 treater, parallel bus structure, nested interrupt vector majorization unit, to meet the requirement that live signal collection controls.
Described control unit adopts band Cortex-M3 treater, and parallel bus structure, can meet after the data downloaded to by wifi communication unit are carried out operational analysis, be saved in the requirement of cloud data bank.
A kind of limiter of moment based on WiFi cordless communication network, Android system of the present invention, technique effect is as follows:
1), by wifi wireless communication networks, in the handheld monitor terminal with Android system, each parameter of inquiry limiter of moment main frame.
2), can one or more handheld monitor terminal (need have permission) be crossed, amendment limiter of moment host parameter, and can excessively WiFi network transfer on limiter of moment main frame.
3), when limiter of moment main frame is in malfunction, maintenance and management is carried out by telecommunication network.
4), by on-the-spot force moment of crane security protection module, multiple handheld monitor terminal based on android system; except basic protecting control function can be completed; now will pass through WiFi wireless communication networks by crane operating status; be sent to each handheld monitor terminal based on android system, and keep the synchronous of unit medium cloud database data.Complete monitoring unit to browse in real time or historical data by specified power, complete the running state to field apparatus, the statistical analysis of service data, the convenient scientific management to equipment and analysis, and realize the long-range technical support to field instrument (as: amendment of gauge internal parameter and data, the correction of unreasonable parameter, field instrument information, the long-range renewal upgrading etc. field instrument being carried out to lock machine control, field instrument internal processes).
Accompanying drawing explanation
Fig. 1 is connection diagram of the present invention.
Detailed description of the invention
As shown in Figure 1; a kind of limiter of moment based on WiFi cordless communication network, Android system; comprise on-the-spot force moment of crane security protection module 10, multiple handheld monitor terminal 14 based on android system, described on-the-spot force moment of crane security protection module 10 is connected with multiple handheld monitor terminal 14 communication based on android system by WiFi network.
Described on-the-spot force moment of crane security protection module 10 comprises signal processing unit 6, and described signal processing unit 6 connects weight sensor 1, amplitude sensor 2, height sensor 3, air velocity transducer 4, aspect sensor 5 respectively; Described signal processing unit 6 connects field control unit 7, data storage cell 8, first WiFi communication unit 9;
Each handheld monitor terminal 14 based on android system comprises control unit 12, and control unit 12 is provided with cloud data bank 13, and control unit 12 connects the second WiFi communication unit 11.
Described signal processing unit 6 connects read-out, and read-out model is for being WTL-A650V-XS, and 8.0 inches, resolution is 800x600, and adopt 65K colour system system, operating temperature-20 ° ~ 70 °, for the parameter display requirement of on-the-spot weight-lifting equipment.
Described signal processing unit 6 adopts Cortex-M3 treater, parallel bus structure, nested interrupt vector majorization unit, to meet the requirement that live signal collection controls.
Described control unit 12 adopts band Cortex-M3 treater, and parallel bus structure, can meet after the data downloaded to by wifi communication unit are carried out operational analysis, be saved in the requirement of cloud data bank.
Weight sensor 1: adopt PY type side press type sensor or BH-2 template ring sensor according to onsite application environment, sensitivity is 1.0 ± 0.005mV/V, composition error is ± 0.02%F.S, creep ± 0.02%F.S, for the high quality collection of the weight signal of on-the-spot weight-lifting equipment.
Amplitude sensor 2: adopt SAG-WT-1212-C100-CRW absolute type encoder, individual pen maximum number of pulses is 65536, and multi-turn maximum number of pulses is 16384, exports Gray code mode, for the high quality collection of the range signal of on-the-spot weight-lifting equipment.
Height sensor 3: adopt SAG-WT-1212-C100-CRW absolute type encoder, individual pen maximum number of pulses is 65536, and multi-turn maximum number of pulses is 16384, exports Gray code mode, for the high quality collection of the altitude signal of on-the-spot weight-lifting equipment.
Air velocity transducer 4: adopt WFS-1 type air velocity transducer, adopt TTL Pulse Electric frequently to export, measurement range 0 ~ 60m/s, measured error is ± (0.5+0.05V), working environment at-30 ° ~+60 °, for the high quality collection of the wind velocity signal of on-the-spot weight-lifting equipment.
Aspect sensor 5: adopt WFM-1 type aspect sensor, export angle 0 ~ 359 °, way of output RS485 signal, resolution ± 0.1 °, precision ± 1 °, operating temperature-20 ° ~+70 °, for the high quality collection of the bearing signal of on-the-spot weight-lifting equipment.
Data storage cell 8: utilize STM32 own resource to complete the data acquisition of SD card, to read the SD card data of standard, data transmission rate 5M, for the requirement of on-the-spot weight-lifting equipment for the real-time storage of data.
First WiFi communication unit 9, second WiFi communication unit 11: adopt WT-WIFI01 type protocol module, adopt 802.11b/g/n standard, external antenna pattern, transmitted power+15dBm ~+20dBm, receiving sensitivity-1dBm ~-89dBm, encryption type WEP64/WEP128/TKIP/AES, to ensure that the real time data of on-the-spot weight-lifting equipment is not ravesdropping.
A kind of limiter of moment data query and read method, realize the operating data of browsing apparatus: signal processing unit 6 is by gathering weight sensor 1, amplitude sensor 2, height sensor 3, air velocity transducer 4 and aspect sensor 5 obtain on-the-spot weight-lifting equipment real-time running data and after torque analysis computing, timing condition triggering and conditions is adopted to trigger the mode combined, the real time data of collected on-the-spot weight-lifting equipment is saved in data storage cell 8, after carrying out the matching analysis with the standard operational parameter control of on-the-spot weight-lifting equipment simultaneously, when detecting that on-the-spot weight-lifting equipment has the trend running to dangerous work region or dangerous work condition, drive field control unit 7 only to stop control or Reverse Turning Control or sound and light alarm to the corresponding mechanism of on-the-spot weight-lifting equipment by signal processing unit 6 to control, to ensure the normal operation of on-the-spot weight-lifting equipment.Signal processing unit 6 adopts timing condition to trigger and conditions triggers the mode combined, the real time data that on-the-spot weight-lifting equipment is gathered by wifi communication unit 9 by wifi network based under the pattern of ICP/IP protocol, be sent in the handheld monitor terminal 14 based on android system, handheld monitor terminal 14 carries out Data Analysis to the real time data received, and verify computing by the parity check sum parameter matching that both sides are known, confirm receive data effective time, data are saved in real time in cloud data bank 13, namely each sensor in on-the-spot crane torque limiter is detected data, real-time sends in the cloud data bank 13 of handheld monitor terminal 14, complete handheld monitor terminal 14 with to the inquiry of the real-time running data of on-the-spot force moment of crane security protection module 10 and reading.
A kind of limiter of moment remote data transmission method, when finding system parameter and the correction data mal of on-the-spot force moment of crane security protection module 10, make corresponding real time data amendment: on-the-spot weight-lifting equipment in first Installation and Debugging complete or maintenance Installation and Debugging after, signal processing unit 6 passes through custom operations, by the proprietary operational factor (comprising the unique identifier etc. of this equipment) that (the normal operation of on-the-spot weight-lifting equipment can be ensured) time complete for on-the-spot weight-lifting equipment Installation and Debugging, tuning parameter and checking parameter packing, by wifi communication unit 9 by wifi network based under the pattern of ICP/IP protocol, be sent in the handheld monitor terminal 14 based on android system, handheld monitor terminal 14 is to the operational factor received, tuning parameter and checking parameter carry out Data Analysis, and verify computing by the parity check sum parameter matching that both sides are known, operational factor is received in confirmation, tuning parameter and checking parameter effective time, be saved in cloud data bank 13 corresponding to this kind equipment unique identifier.The weight-lifting equipment work operation phase at the scene, pass through administrator right, based on Android handheld monitor terminal 14 by wifi communication unit 11 by wifi network based under the pattern of ICP/IP protocol, send the custom operations of the on-the-spot real-time parameter obtaining signal processing unit 6, signal processing unit 6 carries out Data Analysis to the operating order received, and verify computing by the parity check sum parameter matching that both sides are known, confirm receive operating order effective time, by on-the-spot weight-lifting equipment real time execution parameter (comprising the unique identifier etc. of this equipment), tuning parameter and checking parameter packing, by wifi communication unit 9 by wifi network based under the pattern of ICP/IP protocol, pass back in the handheld monitor terminal 14 based on android system, handheld monitor terminal 14 pairs of parameters carry out Data Analysis, and analyse and compare with the parameter under the former same field be kept in cloud data bank 13 corresponding to this equipment unique identifier, when finding that parameter is inconsistent, corresponding operating recommendation is provided by based on Android handheld monitor terminal 14, realize carrying out multi-point remote data modification to on-the-spot force moment of crane security protection module 10, correct, corrigendum, remote support.
A kind of limiter of moment long-distance monitoring method, when discovering device is in malfunction all the time, when needing to take measures in time: by any stylobate in the operating data of the on-the-spot weight-lifting equipment of the on-the-spot force moment of crane security protection module 10 of handheld monitor terminal 14 Real-time Obtaining of android system and running state, after the standard operational parameter control of the on-the-spot weight-lifting equipment in the cloud data bank 13 corresponding with being stored in this equipment unique identifier carries out the matching analysis, when detecting that on-the-spot weight-lifting equipment has the trend running to dangerous work region or dangerous work condition, as: overload, amplitude surpasses bound and alarm lamp, or when finding that operating personal is lay man, pass through administrator right, the special software of control unit 12 is used to send prompting or lock machine instruction, by the second WiFi communication unit 11 by wifi network based under the pattern of ICP/IP protocol, be sent to on-the-spot force moment of crane security protection module 10, after synchronous signal processing unit 6 carries out Data Analysis and condition judgment, the prompting received or lock machine instruction are presented on the read-out of on-the-spot force moment of crane security protection module 10, drive field control unit 7 only to stop control or Reverse Turning Control or sound and light alarm to the corresponding mechanism of on-the-spot weight-lifting equipment by signal processing unit 6 to control, to reach the Long-distance Control field device functions of prompting and lock machine instruction.
A kind of limiter of moment upgrade method, when the on-the-spot Crane Load list procedure of discovery changes, change program is needed normally to use, when being badly in need of technical support upgrading: at any stylobate in the handheld monitor terminal 14 of android system, by super administrator right, utilize custom operations, by the special software of control unit 12 program code by the on-the-spot force moment of crane security protection module 10 after upgrading, by the second WiFi communication unit 11 by wifi network based under the pattern of ICP/IP protocol, be sent to on-the-spot force moment of crane security protection module 10, synchronous signal processing unit 6 verifies computing by the parity check sum parameter matching that both sides are known, when confirming that reception program data packet is effective, the program received is saved in on-the-spot force moment of crane security protection module 10, after data interaction has operated, on-the-spot force moment of crane security protection module 10 autoboot after 10s, and according to the program after renewal, carry out work and execution.
Claims (8)
1. the limiter of moment based on WiFi cordless communication network, Android system, comprise on-the-spot force moment of crane security protection module (10), multiple handheld monitor terminal based on android system (14), described on-the-spot force moment of crane security protection module (10) is connected with multiple handheld monitor terminal based on android system (14) communication by WiFi network;
It is characterized in that, described on-the-spot force moment of crane security protection module (10) comprises signal processing unit (6), and described signal processing unit (6) connects weight sensor (1), amplitude sensor (2), height sensor (3), air velocity transducer (4), aspect sensor (5) respectively; Described signal processing unit (6) connects field control unit (7), data storage cell (8), the first WiFi communication unit (9); Each handheld monitor terminal based on android system (14) comprises control unit (12), and control unit (12) is provided with cloud data bank (13), and control unit (12) connects the second WiFi communication unit (11).
2. a kind of limiter of moment based on WiFi cordless communication network, Android system according to claim 1, is characterized in that, described signal processing unit (6) connects read-out.
3. a kind of limiter of moment based on WiFi cordless communication network, Android system according to claim 1 or 2, it is characterized in that, described signal processing unit (6) adopts Cortex-M3 treater, parallel bus structure, nested interrupt vector majorization unit.
4. a kind of limiter of moment based on WiFi cordless communication network, Android system according to claim 1, it is characterized in that, described control unit (12) adopts band Cortex-M3 treater, parallel bus structure, after data for being downloaded to by wifi communication unit carry out operational analysis, be saved in the requirement of cloud data bank.
5. adopt as any one limiter of moment based on WiFi cordless communication network, Android system of claim 1 ~ 4
Data query and read method, it is characterized in that, data are by on-the-spot force moment of crane security protection module (10), be sent in the handheld monitor terminal (14) based on android system by wifi network, namely each sensor of on-the-spot crane torque limiter is detected data, be real-time transmitted in the cloud data bank 13 of handheld monitor terminal (14), signal processing unit (6) timing can pass through the first WiFi communication unit (9), transfer data to handheld monitor terminal (14), once there be satisfactory data, will receive immediately, and be saved in cloud data bank (13), complete handheld monitor terminal (14) with to the data query of on-the-spot force moment of crane security protection module (10) and reading.
6. adopt as claim 1 ~ 4 any one based on WiFi cordless communication network, the remote data transmission method of the limiter of moment of Android system, it is characterized in that, any stylobate is in the handheld monitor terminal (14) of android system, pass through administrator right, after being analyzed by special software contrast cloud data bank (13) of control unit (12), utilize the second WiFi communication unit (11), by correct system parameter and correction data as prescribed agreement, send the signal processing unit (6) of on-the-spot force moment of crane security protection module (10), after synchronous signal processing unit (6) carries out Data Analysis and condition judgment, by the system parameter that receives and correction data, be stored into address place corresponding in data storage cell (8), realize carrying out multi-point remote data modification to on-the-spot force moment of crane security protection module (10), correct, corrigendum, remote support.
7. adopt as any one limiter of moment based on WiFi cordless communication network, Android system of claim 1 ~ 4
Long-distance monitoring method, is characterized in that, finds that the hoisting crane that on-the-spot force moment of crane security protection module (10) is monitored is in abnormal state all the time at any stylobate in the handheld monitor terminal (14) of android system; Or when finding that operating personal is lay man; pass through administrator right; use the special software of control unit (12) will remind or lock machine instruction; on-the-spot force moment of crane security protection module (10) is sent to by wifi network by the second WiFi communication unit (11); after synchronous signal processing unit (6) carries out Data Analysis and condition judgment; the remote command received is presented on the read-out of on-the-spot force moment of crane security protection module (10), and carries out corresponding control by instruction.
8. adopt as any one limiter of moment based on WiFi cordless communication network, Android system of claim 1 ~ 4
Upgrade method, it is characterized in that, at any stylobate in the handheld monitor terminal (14) of android system, by super administrator right, by the special software of control unit (12) by the program code of new loadmeter, on-the-spot force moment of crane security protection module (10) is sent to by wifi network by the second WiFi communication unit (11), after synchronous signal processing unit (6) carries out Data Analysis and condition judgment, the program received is saved in on-the-spot force moment of crane security protection module (10), after having operated, on-the-spot force moment of crane security protection module (10) then autoboot, according to the program after renewal, carry out work and execution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510383960.5A CN104973516A (en) | 2015-07-03 | 2015-07-03 | Moment limiter based on WiFi wireless communication network and Android system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510383960.5A CN104973516A (en) | 2015-07-03 | 2015-07-03 | Moment limiter based on WiFi wireless communication network and Android system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104973516A true CN104973516A (en) | 2015-10-14 |
Family
ID=54270563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510383960.5A Pending CN104973516A (en) | 2015-07-03 | 2015-07-03 | Moment limiter based on WiFi wireless communication network and Android system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104973516A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106829725A (en) * | 2017-04-13 | 2017-06-13 | 青岛建集团有限公司 | A kind of construction site with exempt from dismantle cage |
| CN108163716A (en) * | 2017-12-19 | 2018-06-15 | 湖南中联重科智能技术有限公司 | Monitor, for monitor method, moment limiting system and crane |
| CN110120866A (en) * | 2018-02-06 | 2019-08-13 | 恩德莱斯和豪瑟尔分析仪表两合公司 | The user management method of field device |
| CN112378425A (en) * | 2020-11-03 | 2021-02-19 | 通用电气（武汉）自动化有限公司 | Initial value setting method and device for multi-turn absolute value encoder and storage medium |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101624163A (en) * | 2009-08-13 | 2010-01-13 | 沈阳建筑大学 | Tower crane cluster operation wireless communication safety device |
| CN102602815A (en) * | 2012-03-29 | 2012-07-25 | 宜昌市微特电子设备有限责任公司 | Moment restrictor of crane based on GPRS (General Packet Radio Service) wireless communication and remote technical support |
| CN202346626U (en) * | 2011-11-01 | 2012-07-25 | 大连科信起重电器有限公司 | Crane network monitoring system |
| CN202508781U (en) * | 2012-03-29 | 2012-10-31 | 宜昌市微特电子设备有限责任公司 | Crane moment limiter based on general packet radio service (GPRS) wireless communication and remote technical support |
| CN102963827A (en) * | 2012-11-02 | 2013-03-13 | 宜昌市创星电子技术发展有限公司 | Tower crane safety management system |
| CN102963820A (en) * | 2012-11-05 | 2013-03-13 | 济南意景科技开发有限公司 | Remote control device for controlling tower crane |
| CN103569869A (en) * | 2012-07-26 | 2014-02-12 | 宜昌市微特电子设备有限责任公司 | GPRS wireless communication network-based hoisting equipment remote electrical control module |
| CN103601076A (en) * | 2013-09-27 | 2014-02-26 | 安徽华印机电股份有限公司 | Crane safety monitoring system based on wireless network |
-
2015
- 2015-07-03 CN CN201510383960.5A patent/CN104973516A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101624163A (en) * | 2009-08-13 | 2010-01-13 | 沈阳建筑大学 | Tower crane cluster operation wireless communication safety device |
| CN202346626U (en) * | 2011-11-01 | 2012-07-25 | 大连科信起重电器有限公司 | Crane network monitoring system |
| CN102602815A (en) * | 2012-03-29 | 2012-07-25 | 宜昌市微特电子设备有限责任公司 | Moment restrictor of crane based on GPRS (General Packet Radio Service) wireless communication and remote technical support |
| CN202508781U (en) * | 2012-03-29 | 2012-10-31 | 宜昌市微特电子设备有限责任公司 | Crane moment limiter based on general packet radio service (GPRS) wireless communication and remote technical support |
| CN103569869A (en) * | 2012-07-26 | 2014-02-12 | 宜昌市微特电子设备有限责任公司 | GPRS wireless communication network-based hoisting equipment remote electrical control module |
| CN102963827A (en) * | 2012-11-02 | 2013-03-13 | 宜昌市创星电子技术发展有限公司 | Tower crane safety management system |
| CN102963820A (en) * | 2012-11-05 | 2013-03-13 | 济南意景科技开发有限公司 | Remote control device for controlling tower crane |
| CN103601076A (en) * | 2013-09-27 | 2014-02-26 | 安徽华印机电股份有限公司 | Crane safety monitoring system based on wireless network |
Non-Patent Citations (1)
| Title |
|---|
| 曹树贵等: "物联网技术在起重机械检验流程中的应用研究", 《物联网技术在起重机械检验流程中的应用研究》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106829725A (en) * | 2017-04-13 | 2017-06-13 | 青岛建集团有限公司 | A kind of construction site with exempt from dismantle cage |
| CN108163716A (en) * | 2017-12-19 | 2018-06-15 | 湖南中联重科智能技术有限公司 | Monitor, for monitor method, moment limiting system and crane |
| CN110120866A (en) * | 2018-02-06 | 2019-08-13 | 恩德莱斯和豪瑟尔分析仪表两合公司 | The user management method of field device |
| CN110120866B (en) * | 2018-02-06 | 2024-05-28 | 恩德莱斯和豪瑟尔分析仪表两合公司 | User management method of field device |
| CN112378425A (en) * | 2020-11-03 | 2021-02-19 | 通用电气（武汉）自动化有限公司 | Initial value setting method and device for multi-turn absolute value encoder and storage medium |
| CN112378425B (en) * | 2020-11-03 | 2022-03-25 | 通用电气（武汉）自动化有限公司 | Initial value setting method and device for multi-turn absolute value encoder and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102509886B (en) | System for automatically monitoring state of base station antennae | |
| CN104973516A (en) | Moment limiter based on WiFi wireless communication network and Android system | |
| CN105678643B (en) | Mobile operation terminal system with navigation function | |
| CN102602815B (en) | Moment restrictor of crane based on GPRS (General Packet Radio Service) wireless communication and remote technical support | |
| CN102681567B (en) | Concrete temperature remote monitoring system for concrete dam | |
| CN105427571A (en) | Binary channel communication remote meter reading monitoring and analysis system | |
| CN110351344A (en) | A kind of LoRa and 4G communication system of distributed power grid fault oscillograph | |
| CN102621959A (en) | Non-electricity monitoring terminal equipment, management equipment and monitoring device for distribution transformer room | |
| CN104240343A (en) | Well cover as well as monitoring method and monitoring system thereof | |
| CN201725417U (en) | Environment monitoring system based on wireless sensor network | |
| CN202632069U (en) | Environmental protection device remote monitoring system based on Internet of things | |
| CN205061409U (en) | Torque limiter based on WIFI wireless communication network , Android system | |
| CN104102213B (en) | A kind of tele-control system for material separation device and method | |
| CN102707676A (en) | Environment protection equipment remote monitoring system based on internet of things | |
| CN104851273A (en) | Intelligent measuring system based on network | |
| CN205209544U (en) | Detection system | |
| CN201340536Y (en) | Power equipment remote monitoring system | |
| CN104880641A (en) | Handheld mobile intelligent diagnosis system for transmission line lightning stroke faults | |
| CN203786885U (en) | Electrical equipment state information acquisitor | |
| CN204758753U (en) | Hand held mobile formula transmission line thunderbolt trouble intelligence diagnostic device | |
| CN201667028U (en) | Informatization constant feeder and its electric control system | |
| CN205274925U (en) | Monitored control system suitable for elevator in building | |
| CN204373772U (en) | A kind of wireless vibration sensor adopting WiFi communication technology | |
| CN106408773A (en) | Electricity meter using Internet of Things sensing module with information processing | |
| CN209327863U (en) | Temperature, revolving speed, pressure, positioning and work information acquisition device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151014 |