CN207039626U - Dispatch data net operation management system based on information code identification - Google Patents
Dispatch data net operation management system based on information code identification Download PDFInfo
- Publication number
- CN207039626U CN207039626U CN201721054057.5U CN201721054057U CN207039626U CN 207039626 U CN207039626 U CN 207039626U CN 201721054057 U CN201721054057 U CN 201721054057U CN 207039626 U CN207039626 U CN 207039626U
- Authority
- CN
- China
- Prior art keywords
- operation management
- management system
- information
- information code
- data net
- 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.)
- Active
Links
- 238000004891 communication Methods 0.000 claims abstract description 36
- 238000012423 maintenance Methods 0.000 claims abstract description 23
- 230000003287 optical effect Effects 0.000 claims description 22
- 230000015654 memory Effects 0.000 claims description 17
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- 238000003384 imaging method Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000007726 management method Methods 0.000 abstract description 31
- 238000013024 troubleshooting Methods 0.000 abstract description 4
- 238000013439 planning Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
Dispatch data net operation management system based on information code identification belongs to data network equipment operation maintenance technical field, more particularly to a kind of dispatch data net operation management system based on information code identification.The utility model provides a kind of hardware foundation for the dispatch data net operation management system based on information code identification be easy to regular maintenance, can improve troubleshooting efficiency.The utility model includes information operation management system, wireless communication system, mobile handheld terminal and field data net equipment, its structural feature information operation management system is connected with wireless communication system, and information operation management system carries out data exchange with communicating with mobile handheld terminal by wireless communication system；Described information operation management system includes maintenance work station, information storage system and identification system, and maintenance work station is connected with information storage system, and maintenance work station is connected with identification system.
Description
Technical field
The utility model belongs to data network equipment operation maintenance technical field, more particularly to a kind of based on information code identification
Dispatch data net operation management system.
Background technology
With the increasingly increase and the quick raising of automatization level of power network scale, the data between transformer station and scheduling station
Exchange and realize that the gradually construction along with its plane of part one or two, backbone network, access network is perfect by dispatch data net,
Known dispatch data net is made up of a variety of data network equipment, including but not limited to router, interchanger, longitudinal direction encryption dress
Put；The conventional manufacturer of the said equipment includes but is not limited to H3C, ZTE, Huawei；Simultaneously a variety of IP can be applied in dispatch data net
Address, including but not limited to Loopback addresses, Internet address, real time business address, non-real-time service address, management ground
Location, VRRP addresses.
Often there are different configuration order rows in different equipment vendors, and different types of IP address correspond to dispatch data
Different business in net, this to automate main website personnel higher technology of needs when entering the management and planning of row address
Horizontal and complete Knowledge Base, another aspect field data net equipment due to structure, hardware, manufacturer, version difference, scene
There is also difference for the configuration mode of data network equipment and command statement etc. so that on-site personnel carries out data network equipment preliminary design
Need to learn substantial amounts of command statement by heart during with later stage O＆M, be unfavorable for the promptness and accuracy of equipment access and later stage O＆M.
In the prior art, the planning of data net address is opened after automation main website personnel are connected to plant stand access data network application
Begin what is carried out；Main website personnel are automated in the way of agreement, address in the range of available address is planned, inserts ground afterwards
In location planning list, on-site personnel is given；Data network device configuration is when on-site personnel takes address planning Dan Houkai
Begin what is carried out, plan that single pair data network equipment is configured according to address, with automating main website personnel's joint debugging pair after the completion of configuration
Depending on completing plant stand access, in real work, due to objective condition such as personnel profile, job duty, actions, causing
On-site personnel does not know much have less understanding for data network equipment, can not complete data network device configuration alone, it is necessary to engage supplier
Assist to complete Deng third party personnel；Daily O＆M record is to carry out interpretation of records, on-site personnel by automation main website personnel
Record can be obtained by needing access to need automation main website personnel to coordinate, and be unfavorable for quickly carrying out accident analysis and emergency first-aid repair,
Management means more falls behind, and routine work is less efficient.
The content of the invention
The utility model is aiming above mentioned problem, there is provided a kind of to be easy to regular maintenance, improve troubleshooting efficiency
The hardware foundation of dispatch data net operation management system based on information code identification.
To achieve the above object, the utility model adopts the following technical scheme that, the utility model includes information operation management
System, wireless communication system, mobile handheld terminal and field data net equipment, its structural feature information operation management system and nothing
Line communication system connects, and information operation management system carries out data exchange with leading to mobile handheld terminal by wireless communication system
Letter.
Described information operation management system includes maintenance work station, information storage system and identification system, O＆M work
Make station to be connected with information storage system, maintenance work station is connected with identification system.
The wireless communication system includes wireless vpn server and radio network gateway, and wireless vpn server leads to radio network gateway
Wireless public network is crossed to be attached.
The mobile handheld terminal includes camera lens, optical image sensor, graphics processor, RFID sensor, LTE communication
Module, display controller, LCD display module, RAM module, FLASH memory, CPU processor and power module, the light of camera lens
Image projection output end is corresponding with the optical imagery receiving terminal of optical image sensor, and the signal of optical image sensor is defeated
Exit port is connected with the signal input port of graphics processor, graphics processor, RFID sensor, LTE communication module, display control
Device processed, RAM module, the signal input port of the signal output port of FLASH memory and CPU processor connect, CPU processor
Signal output port respectively with graphics processor, RFID sensor, LTE communication module, display controller, RAM module,
The signal input port connection of FLASH memory, the signal output port of display controller and the signal of LCD display module input
Port is connected, power module and optical image sensor, graphics processor, RFID sensor, LTE communication module, display control
Device, LCD display module, RAM module, FLASH memory, CPU processor connection.
The field data net equipment includes personnel's RFID chip, data network information code label, base and router, data
Net information code label is arranged on base, base is pasted onto on the shell of router.
As a kind of preferred scheme, wireless vpn server and radio network gateway described in the utility model are wireless by 3G or 4G
Public network is attached.
As another preferred scheme, information operation management system described in the utility model passes through with wireless communication system
RJ45 interfaces are with twisted pair line connection.
As another preferred scheme, maintenance work station described in the utility model passes through RJ45 interfaces with information storage system
With twisted pair line connection, maintenance work station is connected with identification system with serial 232 interface with Serial Port Line.
As another preferred scheme, imaging sensor described in the utility model uses OV7120 chips；Graphics process
Device uses DSP56F826 chips；RFID sensor uses TL852CN chips.
As another preferred scheme, LTE communication module described in the utility model is using CLM920 4G-LTE communication moulds
Block.
As another preferred scheme, RAM module described in the utility model uses H9CKNN8KTMRAR RAM
As another preferred scheme, FLASH memory described in the utility model is stored using SDMFLBCB2 FLASH
Device.
Secondly, CPU processor described in the utility model uses A8 processors, and display controller uses A8 display controllers,
Power module uses FA5511 power management chips.
In addition, data network information code label described in the utility model is two-dimension code label, base is stainless steel plate, two dimension
Code label surface is pasted with transparent acrylic.
The utility model beneficial effect.
The utility model provides a kind of dispatch data net IP address based on information code identification technology and concentrates advanced planning, adjusts
The standardization of degrees of data net device configuration order line is presented, dispatch data net O＆M records globally shared, field device information high in the clouds
Shared dispatch data net operation management system, solution IP address planning speed is slow, data network device configuration Personnel Dependence is strong,
The problems such as field operation workload is big, impact is easily produced to prevailing network equipment, IP address management efficiency is low.
The utility model camera lens is projected optical imagery on optical image sensor by imaging technique, personnel's RFID cores
Piece is carried by operating personnel and is used as personal unique identity, and data network information code label is inserted into base, ambulatory handheld
Terminal completes the photoelectricity of information code label by camera lens, optical image sensor, graphics processor and data network information code label
Conversion and identification；Mobile handheld terminal is completed to identify with personnel's RFID chip by RFID sensor by radio signal mode
With read-write.
IP can be quickly completed for different types of IP address using data network operation management system of the present utility model
Address is planned and management, and the data network equipment in face of different vendor provides standard configurations order line template, additionally it is possible to by equipment
Daily O＆M information with record realize high in the clouds storage and have access to, is easy to main website and on-site personnel to be used for reference, improves
Plant stand dispatch data net access speed and abnormality processing efficiency.
Realize that information code identification is shown with information using mobile handheld terminal, ensure that the availability of data message and convenient
Property.
Operating personnel's identification is realized using RFID technique, the peace of transmission data is realized using vpn tunneling encryption technology
Full protection, it ensure that the safety of data reads and used.
The summary of data network equipment access is realized using standard configurations template, technical threshold is reduced, improves and connect
Enter efficiency.
Operating personnel can be integrated the Trouble shooting of single plant stand, be easy to the regular maintenance of other plant stands,
Improve the efficiency of troubleshooting.
Brief description of the drawings
The utility model is described further with reference to the accompanying drawings and detailed description.Scope of protection of the utility model
It is not only limited to the statement of herein below.
Fig. 1 is dispatch data net operation management system structure chart of the present utility model.
Fig. 2 is mobile handheld terminal circuit theory diagrams of the present utility model.
Fig. 3 is mobile handheld terminal of the present utility model and field data net equipment connecting relation figure.
Fig. 4 is mobile handheld terminal optical imaging moieties circuit theory diagrams of the present utility model.
Fig. 5 is that mobile handheld terminal of the present utility model uses procedure chart.
Fig. 6 is field data net device relationships schematic diagram of the present utility model.
Fig. 7 is data network operation management system process for using figure of the present utility model.
Embodiment
As illustrated, the utility model includes information operation management system 1, wireless communication system 2, mobile handheld terminal 3
With field data net equipment 4, information operation management system is connected with wireless communication system, information operation management system and mobile hand
Hold terminal and data exchange is carried out with communicating by wireless communication system.
Described information operation management system includes maintenance work station 5, information storage system 6 and identification system 7, O＆M
Work station is connected with information storage system, and maintenance work station is connected with identification system.
The wireless communication system includes wireless vpn server 8 and radio network gateway 9, wireless vpn server and radio network gateway
It is attached by wireless public network.
The mobile handheld terminal 3 includes camera lens 10, optical image sensor 11, graphics processor 12, RFID sensor
13rd, LTE communication module 14, display controller 15, LCD display module 16, RAM module 17, FLASH memory 18, CPU processor
19 and power module 20, the optical imagery projection output end and the optical imagery receiving terminal phase of optical image sensor 11 of camera lens 10
Corresponding, the signal output port of optical image sensor 11 is connected with the signal input port of graphics processor 12, graphics process
Device 12, RFID sensor 13, LTE communication module 14, display controller 15, RAM module 17, the signal of FLASH memory 18 are defeated
Exit port is connected with the signal input port of CPU processor 19, the signal output port of CPU processor 19 respectively with graphics process
Device 12, RFID sensor 13, LTE communication module 14, display controller 15, RAM module 17, the signal of FLASH memory 18 are defeated
Inbound port connects, and the signal output port of display controller 15 is connected with the signal input port of LCD display module 16, power supply mould
Block 20 and optical image sensor 11, graphics processor 12, RFID sensor 13, LTE communication module 14, display controller 15,
LCD display module 16, RAM module 17, FLASH memory 18, CPU processor 19 connect, and realize that power supply supplies.
The field data net equipment 4 includes personnel's RFID chip 21, data network information code label 22, base 23 and route
Device 24, data network information code label 22 is arranged on base 23, base 23 is pasted onto on the shell of router 24.
The wireless vpn server is attached with radio network gateway by 3G or 4G wireless public networks.
Described information operation management system is with wireless communication system by RJ45 interfaces with twisted pair line connection.
The maintenance work station is with information storage system by RJ45 interfaces with twisted pair line connection, maintenance work station and identity
Identifying system is connected with serial 232 interface with Serial Port Line.
The imaging sensor 11 uses OV7120 chips；Graphics processor 12 uses DSP56F826 chips；RFID is passed
Sensor 13 uses TL852CN chips.
The LTE communication module 14 uses CLM920 4G-LTE communication modules.
The RAM module 17 is using H9CKNN8KTMRAR RAM.
The FLASH memory 18 uses SDMFLBCB2 FLASH memories.
The CPU processor 19 uses A8 processors, and display controller 15 uses A8 display controllers, and power module 20 is adopted
With FA5511 power management chips.
The data network information code label 22 is two-dimension code label, and base 23 is stainless steel plate, two-dimension code label surface
It is pasted with transparent acrylic.Two-dimension code label can use paper card, and transparent acrylic is used for fixed card.
As shown in figure 4, when graphics processor 12 receives the acquisition that CPN processors 19 are sent, start to receive from
The signal that optical image sensor 11 is sent, when receiving vertical synchronization VSYN signals, represent that chip starts to gather the first frame bar
Code view data, is subsequently received horizontal synchronization HREF signal, chip proceeds by the data acquisition of the first row, often carrys out a picture
Vegetarian refreshments synchronised clock PCLK signal, chip just gather the signal of a pixel, when graphics processor 12 receives next water
Synchronous HREF signal is put down, chip just carries out the data acquisition of the second row, and until having gathered data, chip stops collection.Work as figure
When processor 12 receives next vertical synchronization VSYN signals, the data of chip collection next frame are represented.The circuit with figure at
Reason device 12 is core.When 11 preparation for acquiring bar code image data of optical image sensor, graphics processor 12 is sent at the beginning of one
Beginning signal, RAM module deallocation block is controlled, while optical image sensor 11 starts to gather bar code pictorial data.Adopt
Output data to after having collected data using Y0-Y7 interfaces in RAM module after storage, graphics processor 12 starts to call processing journey
Ordered pair data enter row decoding, after the completion of decoding, recognition result are transmitted into CPU processor and is further processed.
In Figure 5,2 D code information code label is made usually using Qrcode code systems, quiet code mode, generation in its label
The information of table is the storage address of the respective file in information storage system 6, to ensure that its 1108 byte included can
Accommodate lower effective information, the storage address in information storage system 6 should try one's best simply, filename should try one's best it is concise clearly, such as
ftp:// 192.168.1.XX/ plant stands XXX.doc.Mobile handheld terminal 3 resolves to storage by camera lens scanning information code label
Address；By RFID module identify personnel's RFID chip after by encrypting 4G passages, the access information storage system 6 in a manner of FTP,
Information storage system 6 is checked using identification system 7 to personnel's RFID chip data that mobile handheld terminal 3 obtains,
After assert it there are access rights, relevant documentation is sent to handheld terminal, is opened on handheld terminal and shows document content,
Relevant documentation is to meet usability demand, it is desirable to be able to supports the data formats such as text, picture, is deposited usually using WORD modes
Put.
As shown in fig. 6, described field data net equipment includes personnel's RFID chip, data network information code label 22, bottom
Seat 23, router 24, wherein personnel's RFID chip is autonomous device, and on-site personnel is transferred to after being signed and issued by main website personnel
Carry with, be the unique mark of on-site personnel identity, for being checked by the identity of identification system 7；Data network
Information code label 22 is two-dimension code label, is paper card, is printed with two-dimension code label, is transferred to after being made by main website personnel existing
Field operating personnel's installation；Base 23 is stainless steel plate, sets transparent acrylic thin plate to be used for fixed card above, and the back side is used double
The mode of face glue is fixed；Data network information code label 22 and base 23 are installed in the front of router 24.
In the figure 7, flow when the utility model is applied mainly includes.
1. automation main website personnel complete address planning on maintenance work station.
2. IP address after planning is inserted into dispatch data net access way list and standard configurations template.
3. the above is integrated into a document, information storage system is uploaded to by wireless vpn server.
4. generation includes the data network information code label of document storage information on maintenance work station, and gives field operation
Personnel are installed in data network equipment.
5. on-site personnel passes through the data network information code label in handheld terminal scan data net equipment.
6. handheld terminal is by data network information code tag recognition and resolves to document storage address.
7. establish FTP with information storage server by handheld terminal to be connected, from document storage address by profile download to
On handheld terminal.
8. opening document by handheld terminal, on-site personnel completes data network device configuration by document content.
9. both sides carry out data network equipment joint debugging experiment.
It is understood that above with respect to specific descriptions of the present utility model, it is merely to illustrate the utility model and is not
The technical scheme described by the utility model embodiment is limited to, it will be understood by those within the art that, still can be with
The utility model is modified or equivalent substitution, to reach identical technique effect；As long as satisfaction uses needs, all in this reality
Within new protection domain.
Claims (10)
1. based on the dispatch data net operation management system of information code identification, including information operation management system, radio communication system
System, mobile handheld terminal and field data net equipment, it is characterised in that information operation management system is connected with wireless communication system,
Information operation management system carries out data exchange with communicating with mobile handheld terminal by wireless communication system；
Described information operation management system includes maintenance work station, information storage system and identification system, maintenance work station
It is connected with information storage system, maintenance work station is connected with identification system；
The wireless communication system includes wireless vpn server and radio network gateway, and wireless vpn server passes through nothing with radio network gateway
Line public network is attached；
The mobile handheld terminal includes camera lens, optical image sensor, graphics processor, RFID sensor, LTE communication mould
Block, display controller, LCD display module, RAM module, FLASH memory, CPU processor and power module, the optics of camera lens
Image projection output end is corresponding with the optical imagery receiving terminal of optical image sensor, the signal output of optical image sensor
Port is connected with the signal input port of graphics processor, graphics processor, RFID sensor, LTE communication module, display control
Device, RAM module, the signal input port of the signal output port of FLASH memory and CPU processor connect, CPU processor
Signal output port respectively with graphics processor, RFID sensor, LTE communication module, display controller, RAM module, FLASH
The signal input port connection of memory, the signal output port of display controller and the signal input port of LCD display module
Be connected, power module and optical image sensor, graphics processor, RFID sensor, LTE communication module, display controller,
LCD display module, RAM module, FLASH memory, CPU processor connection；
The field data net equipment includes personnel's RFID chip, data network information code label, base and router, data network letter
Code label is arranged on base breath, base is pasted onto on the shell of router.
2. the dispatch data net operation management system according to claim 1 based on information code identification, it is characterised in that described
Wireless vpn server is attached with radio network gateway by 3G or 4G wireless public networks.
3. the dispatch data net operation management system according to claim 1 based on information code identification, it is characterised in that described
Information operation management system is with wireless communication system by RJ45 interfaces with twisted pair line connection.
4. the dispatch data net operation management system according to claim 1 based on information code identification, it is characterised in that described
Maintenance work station and information storage system are by RJ45 interfaces with twisted pair line connection, and maintenance work station is with identification system to go here and there
The interface of row 232 is connected with Serial Port Line.
5. the dispatch data net operation management system according to claim 1 based on information code identification, it is characterised in that described
Learn imaging sensor and use OV7120 chips；Graphics processor uses DSP56F826 chips；RFID sensor uses TL852CN
Chip.
6. the dispatch data net operation management system according to claim 1 based on information code identification, it is characterised in that described
LTE communication module uses CLM920 4G-LTE communication modules.
7. the dispatch data net operation management system according to claim 1 based on information code identification, it is characterised in that described
RAM module uses H9CKNN8KTMRAR RAM.
8. the dispatch data net operation management system according to claim 1 based on information code identification, it is characterised in that described
FLASH memory uses SDMFLBCB2 FLASH memories.
9. the dispatch data net operation management system according to claim 1 based on information code identification, it is characterised in that described
CPU processor uses A8 processors, and display controller uses A8 display controllers, and power module uses FA5511 power management cores
Piece.
10. the dispatch data net operation management system according to claim 1 based on information code identification, it is characterised in that described
Data network information code label is two-dimension code label, and base is stainless steel plate, and two-dimension code label surface mount has transparent acrylic
Plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721054057.5U CN207039626U (en) | 2017-08-22 | 2017-08-22 | Dispatch data net operation management system based on information code identification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721054057.5U CN207039626U (en) | 2017-08-22 | 2017-08-22 | Dispatch data net operation management system based on information code identification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207039626U true CN207039626U (en) | 2018-02-23 |
Family
ID=61488312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721054057.5U Active CN207039626U (en) | 2017-08-22 | 2017-08-22 | Dispatch data net operation management system based on information code identification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207039626U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109460883A (en) * | 2018-08-22 | 2019-03-12 | 国网浙江省电力有限公司湖州供电公司 | A kind of electric power communication device O&M examination and repair system and method based on mobile operation |
-
2017
- 2017-08-22 CN CN201721054057.5U patent/CN207039626U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109460883A (en) * | 2018-08-22 | 2019-03-12 | 国网浙江省电力有限公司湖州供电公司 | A kind of electric power communication device O&M examination and repair system and method based on mobile operation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019085605A1 (en) | Automatic optical detection system based on cpu+gpu+fpga architecture | |
| CN107610238B (en) | AR dynamic model system of power equipment and working method thereof | |
| CN108156033A (en) | The wearable maintenance support of unmanned plane supports system | |
| CN206863798U (en) | A kind of substation equipment status visualization system based on Internet of Things | |
| CN105610612A (en) | Intelligent digital distributing frame system and application method thereof | |
| CN105335316A (en) | Motor assembling line serial port server based on cloud computation | |
| CN207039626U (en) | Dispatch data net operation management system based on information code identification | |
| CN201616116U (en) | Loss terminal device and loss system for vehicles | |
| CN205992250U (en) | A kind of switchgear house based on hand-held inspection terminal and switching station's cruising inspection system | |
| CN102243483A (en) | Automatic processing system for material checking-accepting information | |
| CN207851838U (en) | Face identification device and testimony of a witness all-in-one machine | |
| CN103854349B (en) | Movable-type intelligent based on Text region and wireless communication technology is come to visit register system | |
| CN111126265A (en) | Living body detection method, living body detection device, electronic apparatus, and medium | |
| CN107656623A (en) | AR systems for power transformation inspection | |
| CN108924460A (en) | A kind of image data acquiring box and image capturing system | |
| CN204833323U (en) | Plant maintenance instrument platform based on wide area internet | |
| CN105809763A (en) | Operation and maintenance management system for power distribution equipment electronic tags | |
| CN212208331U (en) | Intelligent glasses hydraulic operation and maintenance digital system | |
| CN208027432U (en) | The terminal device that electric inspection process personnel use | |
| CN208044634U (en) | A kind of car plate intelligence production identifying system | |
| CN206833502U (en) | Power dispatching automation calculator room equipment apparatus for management of information | |
| CN205899604U (en) | Visual management system that traces to source | |
| CN106101656A (en) | A kind of visitor's visualization system | |
| CN206097472U (en) | License plate recognition device with big dipper location and 4G transmit system | |
| CN205750905U (en) | A kind of attendance checking system based on Android flat board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |