CN201172588Y - RFID read/write device for container lifting device - Google Patents

RFID read/write device for container lifting device Download PDF

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Publication number
CN201172588Y
CN201172588Y CNU2007201999901U CN200720199990U CN201172588Y CN 201172588 Y CN201172588 Y CN 201172588Y CN U2007201999901 U CNU2007201999901 U CN U2007201999901U CN 200720199990 U CN200720199990 U CN 200720199990U CN 201172588 Y CN201172588 Y CN 201172588Y
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CN
China
Prior art keywords
container
freight container
module
wireless data
write equipment
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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.)
Expired - Lifetime
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CNU2007201999901U
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Chinese (zh)
Inventor
何振威
周受钦
彭涛
井欢欢
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Shenzhen CIMC Intelligent Technology Co Ltd
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China International Marine Containers Group Co Ltd
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Priority to CNU2007201999901U priority Critical patent/CN201172588Y/en
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Publication of CN201172588Y publication Critical patent/CN201172588Y/en
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Abstract

A RFID reading and writing device comprises a power supply voltage converter, a wireless data transmitter, a container detector and a radio frequency recognition core unit, wherein the container detector automatically detects the distance between the container detector and the surface of a container when normally hangs a container and outputs a start signal or nor according to the distance to drive the radio frequency recognition core unit, the radio frequency recognition core unit receives the start signal, reads the identity information of the container and transmits the information to a data terminal via the wireless data transmitter. The RFID reading and writing device can adopt the container detector to intelligent judge the best start time of the RFID reading and writing device to startup, thereby reducing invalid power consumption and prolong service life of the RFID reading and writing device. The utility model can adopt the wireless data transmitter to realize wireless remote control and wireless data transmission.

Description

The RFID read-write equipment that is used for container crane assembly
Technical field
The utility model relates to a kind of read-write equipment, relates in particular to a kind ofly based on passive electronic label, is used for the freight container RF identification of identification (Radio Frequency Identification is called for short RFID) read-write equipment automatically.
Background technology
Freight container traffic is a kind of international and advanced standard transportation mode of multimetering transport, high speed development along with the globalization transit industry, the tracking of information of freight container in transportation and feedback more and more receive the concern of industry, at present comparatively advanced a kind of mode is exactly that position suitable on freight container installs electronic tag and is used for the container identity sign, corresponding circulation chain at freight container, sluice gate/bayonet socket for example, the stockyard Forklift, gauntry crane, the field bridge, freight containers such as bank bridge are disposed and the corresponding read-write equipment of this electronic tag through on-the-spot point, just can realize that freight container discerns automatically.
REID (RFID) is a kind of contactless automatic identification technology, and 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 harsies environment.REID can be applicable on the cargotainer electronic label and cooresponding read-write equipment of above-mentioned freight container, can discern a plurality of labels simultaneously efficiently and easily, and have read-write, bite is strong, decipherment distance is far away, recognition speed is fast, long service life, conforming property are good, the suitable characteristics such as rate height of reading, it has reformed traditional methods such as container information is copied by hand, video image identification, the automatic identification of bar code, improved automatic recognition efficiency of freight container and accuracy rate, complied with container production, store up, the information-based requirement of logistics management.
Yet, domestic and international at present conventional read-write equipment at passive RFID electronic label, no matter be to adopt ISO18000-6B, or ISO18000-6C standard or the like, all be the universal product that has 1 to 4 radio-frequency antenna port, general IO mouth, RS232/485/TCP wire communication physical interface, its read-write triggering mode generally has two kinds, and the one, software trigger, promptly be to send read write command, make read-write equipment begin to scan label and read and write data by control computer; The 2nd, hardware trigger by third party's device, provides energizing signal, and the IO mouth of input read-write equipment makes read-write equipment begin to scan label and read and write data.In the freight container automatic recognition system, have only when freight container is lifted by hanging device, be only the best opportunity of automatic identification.If in At All Other Times, read-write equipment still is operated in out the power amplifier state, promptly scans label and reads and writes data state, has then increased the energy consumption of read-write equipment, in the service life of having reduced read-write equipment simultaneously, has also increased the risk of misreading label.The software trigger of above-mentioned universal RFID read-write equipment and hardware trigger all are difficult to accomplish read-write target labels in suitable intelligently, and conventional RFID read-write equipment all is to transmit read write command and data by wired mode, but on container crane assembly, be difficult to dispose connection, so that connect on-the-spot RFID read-write equipment and field control computing machine, perhaps remote control computer.
Summary of the invention
Main purpose of the present utility model is, a kind of container crane assembly that is used for is provided, thereby the best opportunity of detected set vanning electronic label identification realizes automatic open close and can transmit the RFID read-write equipment of data by wireless mode automatically.
In order to realize above-mentioned purpose, the utility model provides a kind of RFID read-write equipment that is used for container crane assembly, comprises power line voltage converting unit, wireless data transmission unit and RF identification core cell; Described power line voltage converting unit is converted into the external power supply of input end the required power supply in each working cell and exports to described wireless data transmission unit and the RF identification core cell; Described RF identification core cell reads the identification information of freight container and described information is transferred to data terminal by described wireless data transmission unit, also comprise a freight container probe unit, described freight container probe unit is automatically surveyed the distance between the described freight container probe unit and container surface when normal lifting freight container, and whether exports an actuation signal to drive described RF identification core cell according to described distance decision.
Described RF identification core cell comprises power management module, communication interface module, central processing and control module, RF receiving and transmission module and radio-frequency antenna; Described power management module manages and provides the working power of described central authorities processing with control module to the power supply of described power line voltage converting unit output, after described actuation signal is received by described communication interface module, handle with control module through described central authorities successively and handle, and then control described RF receiving and transmission module and antenna carries out read operation; The identification information of the described freight container that described radio-frequency antenna reads is sent to described wireless data transmission unit through described RF receiving and transmission module, described central processing and control module and described communication interface module successively.
Described wireless data transmission unit is micropower digital transmission module or WLAN communication module.
On the lifting transverse arm that power management module, communication interface module, central processing and the control module of described freight container probe unit, described power line voltage converting unit, described wireless data transmission unit and described RF identification core cell and RF receiving and transmission module are installed in empty container piling crane, described radio-frequency antenna is installed in the gripping arm at described lifting transverse arm two ends, and when normally lifting freight container, the distance of described freight container probe unit and described container surface is less than 500mm.
Power management module, communication interface module, central processing and control module and the RF receiving and transmission module of described freight container probe unit, described power line voltage converting unit, described wireless data transmission unit and described RF identification core cell are installed on the transverse arm of freight container front loop wheel machine, described radio-frequency antenna is installed in the bottom of the suspender at described transverse arm two ends, and when normally lifting freight container, the distance of described freight container probe unit and described container surface is less than 500mm.
Power management module, communication interface module, central processing and the control module of described freight container probe unit, described power line voltage converting unit, described wireless data transmission unit and described RF identification core cell and RF receiving and transmission module are arranged on the scalable suspender of portainer/field bridge/gauntry crane, described radio-frequency antenna is installed in the bottom, two ends of described scalable suspender, and when normally lifting freight container, the distance of described freight container probe unit and described container surface is less than 500mm.
Described freight container probe unit is a proximity sensor.
Described proximity sensor is Hall element, opto-electronic pickup or capacitance metal sensor.
The utlity model has following beneficial effect, RFID read-write equipment of the present utility model is by freight container probe unit disposed thereon, the best opportunity that can intelligent decision RFID read-write equipment starts also starts it, thereby has reduced the energy consumption of read-write equipment and prolonged its service life; Also be provided with wireless data transmission unit on this RFID read-write equipment, thereby can realize wireless Long-distance Control and wireless data transmission, reform traditional container information drainage pattern, adapted to the requirement that container information is gathered automatically in the container hanging operation process more.
Description of drawings
Fig. 1 is the functional block diagram of RFID read-write equipment of the present utility model;
Fig. 2 is the block diagram of the body part of RFID read-write equipment of the present utility model;
Fig. 3 is the block diagram of the freight container probe unit of RFID read-write equipment of the present utility model;
Fig. 4 is the scheme drawing of RFID read-write equipment of the present utility model when being applied on the freight container Forklift;
Fig. 5 is the scheme drawing of RFID read-write equipment of the present utility model when being applied to the freight container front and hanging on;
Fig. 6 is the scheme drawing of RFID read-write equipment of the present utility model when being applied on quayside container crane/field bridge/gauntry crane.
The specific embodiment
RFID read-write equipment of the present utility model can be applicable on the various hanging devices of freight container, thereby with the automatic automatic identification that starts realization to freight container of machine in due course, in order to further specify principle of the present invention and structure, existing in conjunction with the accompanying drawings to a preferred embodiment of the present invention will be described in detail.
See also Fig. 1 to shown in Figure 2, RFID read-write equipment of the present utility model comprises a power line voltage converting unit 1, a freight container probe unit 2, a wireless data transmission unit 3, a RF identification core cell 4 and a shell 5, the input end of this power line voltage converting unit 1 is connected with external power supply, mouth links to each other with all the other each unit of RFID read-write equipment in-to-in, and this freight container probe unit 2 and this wireless data transmission unit 3 are connected with this RF identification core cell 4 respectively.
This power line voltage converting unit 1 is an industrial grade power line voltage modular converter, its input end links to each other with external power supply, mouth links to each other with each working cell in this RFID read-write equipment, this power line voltage converting unit 1 is wide voltage input (input voltage can be 220VAC or 24VDC), burning voltage output (output voltage is 12VDC), thus working power provided for each working cell in this RFID read-write equipment.
This freight container probe unit 2 is a proximity sensor, for example Hall element (can consult shown in Figure 3), opto-electronic pickup and capacitance metal sensor or the like, above-mentioned various sensor is this area sensor construction commonly used, no longer is described in detail at this.The mouth of this freight container probe unit 2 links to each other with this RF identification core cell 4, when the distance between this freight container probe unit 2 and the freight container reaches in the number range of regulation, this freight container probe unit 2 promptly to this RF identification core cell 4 outputs one actuation signal, drives it and starts working.
One end of this wireless data transmission unit 3 links to each other with this RF identification core cell 4, it can provide the micropower digital transmission module of transparent data transfer function, also can take the broadcast communication mode, based on the point-to-point communication mode of ID address identification or based on the point-to-multipoint mode communication modes of master slave relation; Can be based on the WLAN communication module of 802.11a/b/g agreement again, for example wireless aps (Access Point), wireless route, wireless network card or the like; Can also be based on browser configuration parameter and management.This wireless data transmission unit 3 can be operated in 433MHZ or 2.4GHZ, when working with frequency 433MHz pattern, then by wireless data transmission unit 3 can be in 100~800 meters scopes Long-distance Control RFID read-write equipment read write tag, after perhaps the RFID read-write equipment that triggers work by freight container probe unit 2 carries out data filter intelligently, useful information is transferred to data processing terminal by this wireless data transmission unit 3.When working with frequency 2.4GHz pattern, data processing terminal then can pass through wireless data transmission unit 3, follows the 802.11a/b/g agreement or sends read write command, transceive data based on the WLAN/WiFi network to this RF identification core cell 4; Data processing terminal also can pass through wireless data transmission unit 3 with the browser access RFID read-write equipment based on the http agreement, and the working parameter of this RFID read-write equipment is set in customization.
This RF identification core cell 4 comprises that power management module 41, communication interface module 42, central authorities handle and control module 43, data storage expansion module 44, RF receiving and transmission module 45 and radio-frequency antenna 46.These power management module 41 input ends link to each other with this power line voltage converting unit 1, one end of one end of the mouth of this power management module 41, this communication interface module 42, this data storage expansion module 44 and this RF receiving and transmission module 45 is all handled with these central authorities and is connected with control module 43, the other end of this communication interface module 42 is connected with this freight container probe unit 2 and this wireless data transmission unit 3, and the other end of this RF receiving and transmission module 45 is connected with this radio-frequency antenna 46.This power management module 41 receives the out-put supply of this power line voltage converting unit 1 and provides working power for these central authorities handle with control module 43, this communication interface module 42 receives the actuation signal that described freight container probe unit 2 sends and is transferred to this central authorities and handles and control module 43, this data storage expansion module 44 can to this central authorities handle with control module 43 in data store and expand, these central authorities handle with control module 43 and the actuation signal that receives are transferred to this RF receiving and transmission module 45 that is attached thereto, this RF receiving and transmission module 45 starts this radio-frequency antenna 46 according to this actuation signal and reads the electronic tag that is arranged on the freight container, and then obtain the identification information of targeted containers, this identification information returns again to this this RF receiving and transmission module 45, handles with control module 43 and this communication interface module 42 being sent to this wireless data transmission unit 3 again through these central authorities.
This shell 5 is that a base plate and cover body fasten and form, and each working cell except this freight container probe unit 2 and this radio-frequency antenna 46 of this RFID read-write equipment and module integrated in this shell 5 forms a RFID read-write equipment body 100.The shell 5 of this read-write equipment body 100 is provided with a power interface 101, a freight container probe unit interface 102, a wireless data transmission antenna 103, at least one prevention at radio-frequency port 145 and a communication interface 142.By this power interface 101, can realize being connected of this power line voltage converting unit 1 and power supply; By this freight container probe unit interface 102, this freight container probe unit 2 can be connected with this communication interface module 42; By this wireless data transmission antenna 103, this wireless data transmission unit 3 can realize wireless data transmission to external world; This prevention at radio-frequency port 145 can be realized being connected of these RF receiving and transmission modules 45 and this radio-frequency antenna 46 by a radio frequency cable 200; This communication interface 142 is a reservation port.
Application mode one: this RFID read-write equipment is installed on the empty container piling crane 6.
See also shown in Figure 4, the gripping arm 63 that this empty van Forklift 6 comprises Forklift cockpit 61, is horizontally set on the lifting transverse arm 62 in these cockpit 61 the place aheads and is positioned at these lifting transverse arm 62 two ends.This read-write equipment body 100 is installed in the position of close this Forklift cockpit 61 on this lifting transverse arm 62; Two radio-frequency antennas 41 are installed in respectively in two gripping arms 63, this read-write equipment body 100 has 2~4 prevention at radio-frequency port 145, link to each other by a radio frequency cable 200 between this prevention at radio-frequency port 145 and this radio-frequency antenna 46, the length of this radio frequency cable 200 is less than 15 meters, and is deployed in the trough.When this freight container probe unit 2 is fixedly mounted on this lifting transverse arm 62 and guarantees normal lifting freight container, the distance of this freight container probe unit 2 and container surface is less than 500mm, and this freight container probe unit 2 links to each other with freight container probe unit interface 102 on this read-write equipment body 100 by cable.In the present embodiment, this freight container probe unit 2 is arranged on the top of this lifting transverse arm 62, and this freight container probe unit 2 is 150mm with the distance of container surface during the lifting freight container.Vehicle-mounted computer is installed in this Forklift cockpit 61 or remote computer is installed at remaining data processing terminal, the wireless data transmission unit 3 of this RFID read-write equipment is carried out communication by wireless mode and this vehicle-mounted computer/remote computer, by vehicle-mounted computer/remote computer configuration effort parameter, and data transmission applications.
Application mode two: this RFID read-write equipment is installed on the freight container front loop wheel machine 7.
See also shown in Figure 5, this freight container front loop wheel machine 7 comprises that the front hangs cockpit 71, an end and hang the arm 72 that cockpit 71 links to each other and is positioned at its top with this front, with the other end of this arm 72 transverse arm 73 connected vertically and the suspender 74 that is arranged on these transverse arm 73 two ends.This read-write equipment body 100 is installed on this transverse arm 73, and this read-write equipment body 100 has 2~4 prevention at radio-frequency port 145; Two radio-frequency antennas 46 are installed in the bottom (not shown) of this suspender 74 respectively, also can be installed in the side; This freight container probe unit 2 is fixedly mounted on the transverse arm 73 of this front loop wheel machine 7; Vehicle-mounted computer is installed in cockpit 71 is hung in this front, or remote computer is installed at remaining data processing terminal, identical in communication modes between this vehicle-mounted computer/remote computer and this RFID read-write equipment and the application mode one.Annexation, connection mode and required distance between this read-write equipment body 100, this radio-frequency antenna 46 and this freight container probe unit 2 threes also with application mode one in identical, at this repeated description no longer.
Application mode three: this RFID read-write equipment is installed on portainer/field bridge/gauntry crane 8.
See also shown in Figure 5ly, this portainer/field bridge/gauntry crane 8 comprises the cockpit (not shown) and by the scalable suspender 81 of this cockpit traction control.This read-write equipment body 100 is installed on this scalable suspender 81, and this read-write equipment body 100 also has 2~4 prevention at radio-frequency port 145; Two radio-frequency antennas 46 are installed in the bottom, two ends of this scalable suspender 81 respectively; In this cockpit, vehicle-mounted computer is installed, or remote computer is installed at remaining data processing terminal, identical in communication modes between this vehicle-mounted computer/remote computer and this RFID read-write equipment and the application mode one.Annexation, connection mode and required distance between this read-write equipment body 100, this radio-frequency antenna 46 and this freight container probe unit 2 threes also with application mode one in identical, at this repeated description no longer.
RFID read-write equipment of the present utility model is by freight container probe unit 2 disposed thereon, and the best opportunity that can intelligent decision RFID read-write equipment starts also starts it, thereby has reduced the energy consumption of read-write equipment and prolonged its service life; Also be provided with wireless data transmission unit on this RFID read-write equipment, thereby can realize wireless Long-distance Control and wireless data transmission, reform traditional container information drainage pattern, adapted to the requirement that container information is gathered automatically in the container hanging operation process more.
Yet; the above only is a preferable possible embodiments of the present utility model; and unrestricted protection domain of the present utility model, so the equivalent structure that all utilization the utility model specification sheetss and accompanying drawing content have been done changes, all be included in the protection domain of the present utility model.

Claims (8)

1. a RFID read-write equipment that is used for container crane assembly comprises power line voltage converting unit, wireless data transmission unit and RF identification core cell; Described power line voltage converting unit is converted into the external power supply of input end the required power supply in each working cell and exports to described wireless data transmission unit and the RF identification core cell; Described RF identification core cell reads the identification information of freight container and described information is transferred to data terminal by described wireless data transmission unit, it is characterized in that, also comprise a freight container probe unit, described freight container probe unit is automatically surveyed the distance between the described freight container probe unit and container surface when normal lifting freight container, and whether exports an actuation signal to drive described RF identification core cell according to described distance decision.
2. the RFID read-write equipment that is used for container crane assembly according to claim 1, it is characterized in that described RF identification core cell comprises power management module, communication interface module, central processing and control module, RF receiving and transmission module and radio-frequency antenna; Described power management module manages and provides the working power of described central authorities processing with control module to the power supply of described power line voltage converting unit output, after described actuation signal is received by described communication interface module, handle with control module through described central authorities successively and handle, and then control described RF receiving and transmission module and antenna carries out read operation; The identification information of the described freight container that described radio-frequency antenna reads is sent to described wireless data transmission unit through described RF receiving and transmission module, described central processing and control module and described communication interface module successively.
3. the RFID read-write equipment that is used for container crane assembly according to claim 2 is characterized in that, described wireless data transmission unit is micropower digital transmission module or WLAN communication module.
4. the RFID read-write equipment that is used for container crane assembly according to claim 2, it is characterized in that, described freight container probe unit, described power line voltage converting unit, the power management module of described wireless data transmission unit and described RF identification core cell, communication interface module, central authorities' processing and control module and RF receiving and transmission module are installed on the lifting transverse arm of empty container piling crane, described radio-frequency antenna is installed in the gripping arm at described lifting transverse arm two ends, and when normally lifting freight container, the distance of described freight container probe unit and described container surface is less than 500mm.
5. the RFID read-write equipment that is used for container crane assembly according to claim 2, it is characterized in that, described freight container probe unit, described power line voltage converting unit, the power management module of described wireless data transmission unit and described RF identification core cell, communication interface module, central authorities' processing and control module and RF receiving and transmission module are installed on the transverse arm of freight container front loop wheel machine, described radio-frequency antenna is installed in the bottom of the suspender at described transverse arm two ends, and when normally lifting freight container, the distance of described freight container probe unit and described container surface is less than 500mm.
6. the RFID read-write equipment that is used for container crane assembly according to claim 2, it is characterized in that, described freight container probe unit, described power line voltage converting unit, the power management module of described wireless data transmission unit and described RF identification core cell, communication interface module, central authorities' processing and control module and RF receiving and transmission module are arranged on the scalable suspender of portainer/field bridge/gauntry crane, described radio-frequency antenna is installed in the bottom, two ends of described scalable suspender, and when normally lifting freight container, the distance of described freight container probe unit and described container surface is less than 500mm.
7. the RFID read-write equipment that is used for container crane assembly according to claim 1 is characterized in that, described freight container probe unit is a proximity sensor.
8. the RFID read-write equipment that is used for container crane assembly according to claim 7 is characterized in that, described proximity sensor is Hall element, opto-electronic pickup or capacitance metal sensor.
CNU2007201999901U 2007-12-17 2007-12-17 RFID read/write device for container lifting device Expired - Lifetime CN201172588Y (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101973488A (en) * 2010-08-31 2011-02-16 东南大学 Traveling crane position tracking device based on radio frequency identification
WO2011091622A1 (en) * 2010-01-29 2011-08-04 国民技术股份有限公司 Method and system for near field communication
CN103523676A (en) * 2013-09-23 2014-01-22 华中科技大学 Real-time monitoring and pre-warning system for security risks of gantry crane operation of metro shield tunnel and working method of system
CN104303194A (en) * 2012-02-17 2015-01-21 哥伦布麦金农公司 Material lifting system and method
CN104506645A (en) * 2014-12-30 2015-04-08 广东省电信规划设计院有限公司 Data collection terminal for Internet of Things and communication method and communication system of data collection terminal
CN105581411A (en) * 2016-01-26 2016-05-18 大唐国际发电股份有限公司重庆分公司 Intelligent safety helmet and personnel location management system and method
CN106986269A (en) * 2017-05-03 2017-07-28 承德益远科技有限公司 A kind of device and method of bridge crane automatic positioning weighting metering
CN108190754A (en) * 2018-01-17 2018-06-22 苏州诚满信息技术有限公司 A kind of crane method of work and system based on augmented reality measuring technique

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011091622A1 (en) * 2010-01-29 2011-08-04 国民技术股份有限公司 Method and system for near field communication
CN101973488A (en) * 2010-08-31 2011-02-16 东南大学 Traveling crane position tracking device based on radio frequency identification
CN104303194A (en) * 2012-02-17 2015-01-21 哥伦布麦金农公司 Material lifting system and method
CN104303194B (en) * 2012-02-17 2018-09-04 哥伦布麦金农公司 Material hoisting system and method
CN103523676A (en) * 2013-09-23 2014-01-22 华中科技大学 Real-time monitoring and pre-warning system for security risks of gantry crane operation of metro shield tunnel and working method of system
CN103523676B (en) * 2013-09-23 2014-10-29 华中科技大学 Real-time monitoring and pre-warning system for security risks of gantry crane operation of metro shield tunnel and working method of system
CN104506645B (en) * 2014-12-30 2018-04-20 广东省电信规划设计院有限公司 Internet of things data acquisition end and its communication means and system
CN104506645A (en) * 2014-12-30 2015-04-08 广东省电信规划设计院有限公司 Data collection terminal for Internet of Things and communication method and communication system of data collection terminal
CN105581411B (en) * 2016-01-26 2018-03-16 大唐国际发电股份有限公司重庆分公司 Intelligent safety helmet and personnel positioning management system and method
CN105581411A (en) * 2016-01-26 2016-05-18 大唐国际发电股份有限公司重庆分公司 Intelligent safety helmet and personnel location management system and method
CN106986269A (en) * 2017-05-03 2017-07-28 承德益远科技有限公司 A kind of device and method of bridge crane automatic positioning weighting metering
CN106986269B (en) * 2017-05-03 2019-02-22 承德益远科技有限公司 A kind of device and method of bridge crane automatic positioning weighting metering
CN108190754A (en) * 2018-01-17 2018-06-22 苏州诚满信息技术有限公司 A kind of crane method of work and system based on augmented reality measuring technique

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C41 Transfer of patent application or patent right or utility model
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Effective date of registration: 20160928

Address after: 518000 Guangdong city of Shenzhen province Nanshan District Nanhai Road No. 1057 technology building two Room 102 building A

Patentee after: Shenzhen Zhongji Intelligent Technology Co., Ltd.

Address before: No. 2 Shekou Harbour Road in Shenzhen city of Guangdong Province in 518000

Patentee before: Chinese International Marine Container (Group) Co., Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20081231