CN107315373A - Multi-purpose unmanned equipment controls development platform - Google Patents

Multi-purpose unmanned equipment controls development platform Download PDF

Info

Publication number
CN107315373A
CN107315373A CN201710618778.2A CN201710618778A CN107315373A CN 107315373 A CN107315373 A CN 107315373A CN 201710618778 A CN201710618778 A CN 201710618778A CN 107315373 A CN107315373 A CN 107315373A
Authority
CN
China
Prior art keywords
ground surface
antenna
surface end
airborne
unmanned
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
Application number
CN201710618778.2A
Other languages
Chinese (zh)
Inventor
寇崇晓
丁红亮
宋文刚
陈立生
罗桥伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN KEWEITAI ENTERPRISE DEVELOPMENT Co Ltd
Original Assignee
SHENZHEN KEWEITAI ENTERPRISE DEVELOPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHENZHEN KEWEITAI ENTERPRISE DEVELOPMENT Co Ltd filed Critical SHENZHEN KEWEITAI ENTERPRISE DEVELOPMENT Co Ltd
Priority to CN201710618778.2A priority Critical patent/CN107315373A/en
Publication of CN107315373A publication Critical patent/CN107315373A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423Input/output
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00095Systems or arrangements for the transmission of the picture signal
    • H04N1/00103Systems or arrangements for the transmission of the picture signal specially adapted for radio transmission, e.g. via satellites
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/25Pc structure of the system
    • G05B2219/25257Microcontroller

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Astronomy & Astrophysics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Automation & Control Theory (AREA)
  • Selective Calling Equipment (AREA)

Abstract

The invention provides a kind of multi-purpose unmanned equipment control development platform, including:One image transmitting unit, for gathering the video or image source information of unmanned control device, and converts thereof into high-frequency signal;One data transmission unit, for gathering the data message of unmanned control device, and converts thereof into radiofrequency signal;One control process unit, judges for carrying out Treatment Analysis and control computing to the high-frequency signal from image transmitting unit and the radiofrequency signal from data transmission unit, and correspondence display image and enters calculation process in line data set.The present invention can reserve the expansion interface enriched for user and provide powerful electric energy supply while own reliability, security, environmental suitability, Electro Magnetic Compatibility, maintainability, protection and protective is realized.The present invention realizes fast software development and hardware integration exploitation, reduces the exploitation threshold of Intelligent unattended control device, greatly reduces development difficulty, development cost and the construction cycle of consumer products.

Description

Multi-purpose unmanned equipment controls development platform
Technical field
The invention belongs to control development platform, particularly a kind of multi-purpose unmanned equipment control development platform is mainly used in The development fields such as unmanned plane, unmanned speedboat, autonomous underwater vehicle and explosion prevention robot.
Background technology
With the fast development of unmanned plane, unmanned speedboat, autonomous underwater vehicle and explosion prevention robot, each large enterprises and education Mechanism is passed for remote-wireless image and the demand of data transfer development platform is increasingly strong, particularly unmanned aerial vehicle station Exploitation.
The control technology of unmanned machine is developed rapidly in recent years, but matched pherope, data Transmission equipment and high scalability development platform but develop more slow.
Therefore, it is that unmanned machine development company and educational institution provide remote figure and passed that the applicant, which is directed to providing a kind of, Link, number pass the control development platform of link and high-protection level and high scalability.
The content of the invention
Therefore, it is an object of the invention to provide a kind of development rate is fast, exploitation threshold is low, exploitation can be substantially reduced difficult Degree, development cost and the multi-purpose unmanned equipment of construction cycle control development platform.
The purpose of the present invention is achieved through the following technical solutions.
A kind of multi-purpose unmanned equipment control development platform, including:
One image transmitting unit, for gathering the video or image source information of unmanned control device, and is converted thereof into High-frequency signal;
One data transmission unit, for gathering the data message of unmanned control device, and converts thereof into radiofrequency signal;
One control process unit, for the high-frequency signal from image transmitting unit and penetrating from data transmission unit Frequency signal carries out Treatment Analysis and control computing judges, and correspondence and enters calculation process in line data set at display image.
Preferably, described image transmission unit includes picture transmitter, airborne figure biography antenna, ground surface end figure biography antenna and figure As receiver, described image emitter passes antenna with airborne figure and is connected, and image receiver passes antenna with ground surface end figure and is connected, airborne Figure passes antenna and is connected with the biography antenna wireless communication of ground surface end figure;
Wherein, described image emitter is used to encode the video or image information of unmanned control device successively, pressed High-frequency signal is converted into after contracting encryption, Channel Modulation and signal amplification, and ground surface end figure biography is sent to by airborne figure biography antenna Antenna;
Described image receiver passes antenna by ground surface end figure and receives the high-frequency signal, and the high-frequency signal is entered successively Control process unit is sent to after the demodulation of row channel, decryption decompression and decoding process to be shown.
Preferably, the data transmission unit include unmanned control device, airborne end digital transmission module, it is airborne number pass antennas, Ground surface end number passes antenna and ground surface end digital transmission module, and the unmanned control device passes day by airborne end digital transmission module with airborne number Line is connected, and the ground surface end digital transmission module passes antenna with ground surface end number and is connected, and the ground surface end number passes antenna and passes day with airborne number Line wireless telecommunications are connected;
Wherein, the airborne end digital transmission module be used to carrying out the unmanned control device data message of acquisition packing coding and After modulation treatment, radiofrequency signal is converted into, passing antenna by airborne number is sent to ground surface end number biography antenna;
The ground surface end digital transmission module passes antenna by ground surface end number and receives the radiofrequency signal, and the radiofrequency signal is entered Row demodulation is unpacked after checking treatment, and output data enters calculation process in line data set to control process unit.
Preferably, the control process unit includes industrial PC, power management plate and some docking stations;
The industrial PC connects described image receiver, for handling the high-frequency signal from image receiver Analysis, and carry out correspondence display;
The industrial PC connects the ground surface end digital transmission module, for the radiofrequency signal from ground surface end digital transmission module Computing judgement is controlled, and correspondingly enters calculation process in line data set;
Some docking stations connection industrial PC, for providing standard mini PCI-E interfaces, 1000M networks, serial 232nd, CAN and 12V power interfaces.
Preferably, the frequency of the high-frequency signal is 315M or 595M.
Preferably, the frequency of the radiofrequency signal is 845M or 915M.
The multi-purpose unmanned equipment control development platform that the present invention is provided is realizing that own reliability, security, environment are suitable While Ying Xing, Electro Magnetic Compatibility, maintainability, protection and protective, the expansion interface enriched can be reserved for user and is carried Supplied for powerful electric energy.The present invention realizes quick exploitation software and development plan, reduces Intelligent unattended control device Threshold is developed, development difficulty, development cost and the construction cycle of consumer products is greatly reduced, is the exploitation of Intelligent unattended equipment With teaching injection new vitality.
Brief description of the drawings
Fig. 1 controls the system principle diagram of development platform for multi-purpose unmanned equipment of the invention;
Fig. 2 passes link theory diagram for present invention figure;
Fig. 3 is that number of the present invention passes link theory diagram.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
Refer to shown in Fig. 1~Fig. 3, platform of the present invention mainly includes image transmitting unit, data transfer list Member and the part of control process unit three.
Wherein image transmitting unit is used for the data message for gathering unmanned control device, and converts thereof into radiofrequency signal; It includes high-definition image emitter, airborne figure and passes antenna, ground surface end figure biography antenna and high-definition image receiver, described image hair Penetrate machine to be connected with airborne figure biography antenna, image receiver passes antenna with ground surface end figure and is connected, and airborne figure passes antenna and ground surface end figure Antenna wireless communication connection is passed (see Fig. 1).
High-definition image emitter is used to carry out the video source or image information of unmanned control device successively H264 codings, pressure The high-frequency signal that frequency is 315M or 595M is converted into after contracting encryption, Channel Modulation and signal amplification, and day is passed by airborne figure Line is sent to ground surface end figure and passes antenna;Ground surface end figure passes antenna and received after the high-frequency signal, is received by tuner, successively Shown to being sent to control process unit after the demodulation of high-frequency signal progress channel, decryption decompression and H264 decoding process (see Fig. 2).
The high-definition image signal exported from video source is encoded, compresses encryption, Channel Modulation by picture transmitter, is passed through Amplification and filter circuit, are finally outwards launched with radio frequency forms such as 315M, 595M.Image receiver is received after vision signal, By tuner, channel demodulation, decryption decompression, decoding, most video flowing is sent to computer in the form of network at last.Computer passes through Decoding software, image is shown on software.
Wherein high-definition image emitter has the video interfaces such as HDMI, VGA, AVI, and user can be facilitated to be set according to oneself shooting Standby actual conditions carry out the system integration., can be according to actual need and picture transmitter of the present invention also has encryption function Ask whether selection image is encrypted, selects different cipher modes, ensure the security of image transmitting, reduce what image was trapped May.
Image receiver is embedded in control process unit in the present embodiment, can also be removed according to the demand of user, The figure for changing user oneself passes link.Image receiving apparatus embedded decryption function, can be decrypted display by the screen after encryption. Image decoding apparatus high sensitivity characteristic, the distance that screen can be received with clear and smooth by making equipment reaches more than 10km, compared to 3km and 5km vision facilities on the market, not only small volume, lightweight, and in terms of power consumption also as little as its 50%, make its Realize ultra-long time work while, it is necessary to battery capacity reduce, reduce system weight, improve the portable of whole system Property.
Data transmission unit in the present embodiment is mainly used in gathering the data message of unmanned control device, and is converted Into the radiofrequency signal that frequency is 845M or 915M;It includes unmanned control device (unmanned plane), airborne end digital transmission module, airborne Number passes antenna, ground surface end number and passes antenna and ground surface end digital transmission module, and the unmanned plane passes through airborne end digital transmission module and airborne number Antenna connection is passed, the ground surface end digital transmission module passes antenna with ground surface end number and is connected, and the ground surface end number passes antenna and airborne number Antenna wireless communication connection is passed (see Fig. 1).
Airborne end digital transmission module is used to carry out after packing coding and modulation treatment the Unmanned Aerial Vehicle Data information of acquisition, conversion Into radiofrequency signal, antenna is then passed by airborne number and is sent to ground surface end number biography antenna;Ground surface end number biography antenna receives described After radiofrequency signal, checking treatment is demodulated and unpacks successively, then output data enters line data set to control process unit Middle calculation process (see Fig. 3).
Communication between airborne end digital transmission module, ground surface end digital transmission module is full-duplex mode, number of the data from transmitting terminal Enter according to mouth, receiving terminal is sent to by processor coded treatment, receiving terminal receives data and verified, verification is by then exporting Data.Airborne end and ground surface end are interacted by 915M or 845M radiofrequency signals, and the interface of module is 232 and USB.Ground surface end Be embedded in multipurpose control development platform inside, can foundation be actually subjected to be installed and removed.
Wherein the Data transfer system frequency range hardware of data transmission unit newly advises 845M frequency with softwarecompatible 915M and Ministry of Industry and Information Rate, can change dominant frequency point under conditions of digital transmission module is not changed.Number, which passes link, has 15M radio frequency bandwidth, with reference to its jump Defeated characteristic is kept pouring in, the function of evading in the case of being interfered by the frequency meter progress frequency modulation of setting, support chain is made it have The height on road receives sensitivity, and system has determines the high anti-jamming capacity that frequency biography link does not have on the market.More than 110Dbm's Receive sensitivity and realize number to pass link under complicated electromagnetic environment, it is reliable mutually pass receipt apart from > 10Km.Bi-directional data Bandwidth is up to 2.3Mbps.Adjustable power output can flexibly adjust radio frequency power output according to different signal receiving qualities, Radio frequency power output is from 0.1W to 1W, the average power consumption low value of digital transmission module, and average power consumption only has 0.3W when maximum radio frequency is exported. Number passes mould and expands volume 3.4*2.7*7mm saving installation volumes.Number, which passes links, has an abundant hardware interface, including 232, CAN, USB etc., convenient, flexible, management software can carry out unified management to link.
Control process unit corresponds to development platform, mainly includes full reinforcing industrial PC, power management plate, docking station Three parts (see Fig. 1).Full industrial PC of reinforcing connects image receiver and ground surface end digital transmission module respectively, is mainly used in image Processing display, control computing judge, to calculation process in all data sets.Power management section mainly act as unified management The discharge and recharge of system and electric energy storage.The service condition of power supply can not only be sent to computer in real time and given by intelligent electric power management It has been shown that, and the utilization rate of power supply, service life can be improved.Power management considers efficiency in design wherein, not use The pattern of common classification decompression is powered to different peripheral hardwares on the market;Wide pressure In-put design is done when equipment is designed, is saved Remove poor efficiency, high power consumption, the step-up/step-down circuit of high heat;Power management can actively close part according to obtained control instruction Unwanted power supply;Equipment all takes low power dissipation design, when not needing power supply supply, can actively enter standby mode.More than The measure of intelligent power pipe effectively improves power utilization 30%.The battery charging schedule of power management section is that circulation balance is filled Electricity, reduces infringement of the large current charge to battery core, battery core is possessed longer service life.System is provided the user more than 2 The docking station of purposes, each docking station not only provides user the mini PCI-E interfaces of standard, also provides a user 1000M nets The interfaces such as network, serial 232, CAN, 12V power supplys, and each docking station has more than 25W power supply capacity.Carried for user Hardware expanding interface and the power supply guarantee enriched have been supplied, has made system that there is extended capability on the market 85% hardware adaptor.
Industrial PC makes it in -20 DEG C of 70 DEG C of external high temperature and low temperature, system remains to stable normal from wide warm mainboard Work.Computer kernel is 7 generation kernels of 14nm technologies, accomplishes low power dissipation design, capacity operation while having ensured cpu performance 15W.Liquid-crystalline glasses have used highlighted and optical coating technology, reduce the entrance of infrared light, improve screen self-illuminating brightness and reach More than 800nit, is realized visual under sunlight.Full stiffened shell integral protection grade IP65 anti-rains, housing surrounding installs protective rubber Pad, can easily pass through 1m drop tests.System is equipped with two quick disassembled hot plug high magnification duricrust lithium batteries, can be continuous Battery is changed on the premise of electricity, all weather operations is realized, convenient use, using flexible.Whole machine using low power consumption is designed and intelligence Power-supply management system, improves the utilization rate of battery, reduces battery size.The full electricity of double cell, which is changed without battery, can make complete machine just The normal working time surpasses four hours.Development platform is also at random with supporting exploitation software and exploitation template, and user can combine supporting Software carries out secondary development rapidly and efficiently.Development platform reserves two pluggable user's docking stations, and user can not influence On the premise of complete machine protective capacities in docking station oneself integrated unique hardware adaptor, realize diversified exploitation demand, side Just the system integration is carried out.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.

Claims (6)

1. a kind of multi-purpose unmanned equipment control development platform, it is characterised in that including:
One image transmitting unit, for gathering the video or image source information of unmanned control device, and converts thereof into high frequency Signal;
One data transmission unit, for gathering the data message of unmanned control device, and converts thereof into radiofrequency signal;
One control process unit, for the high-frequency signal from image transmitting unit and the letter of the radio frequency from data transmission unit Number carry out Treatment Analysis and control computing judges, and correspondence and enters calculation process in line data set at display image.
2. multi-purpose unmanned equipment control development platform as claimed in claim 1, it is characterised in that described image transmission unit Antenna, ground surface end figure, which are passed, including picture transmitter, airborne figure passes antenna and image receiver, described image emitter and airborne figure Antenna connection is passed, image receiver passes antenna with ground surface end figure and is connected, airborne figure passes antenna and ground surface end figure passes antenna wireless and led to News connection;
Wherein, described image emitter be used to encoding the video or image information of unmanned control device successively, compress plus High-frequency signal is converted into after close, Channel Modulation and signal amplification, and ground surface end figure biography antenna is sent to by airborne figure biography antenna;
Described image receiver passes antenna by ground surface end figure and receives the high-frequency signal, and the high-frequency signal is believed successively Control process unit is sent to after road demodulation, decryption decompression and decoding process to be shown.
3. multi-purpose unmanned equipment control development platform as claimed in claim 2, it is characterised in that the data transmission unit Antenna, ground surface end number, which are passed, including unmanned control device, airborne end digital transmission module, airborne number passes antenna and ground surface end digital transmission module, The unmanned control device passes antenna with airborne number by airborne end digital transmission module and is connected, the ground surface end digital transmission module and ground Number is held to pass antenna connection, the ground surface end number biography antenna passes antenna wireless communication with airborne number and is connected;
Wherein, the airborne end digital transmission module is used to carry out packing coding and modulation to the unmanned control device data message of acquisition After processing, radiofrequency signal is converted into, passing antenna by airborne number is sent to ground surface end number biography antenna;
The ground surface end digital transmission module passes antenna by ground surface end number and receives the radiofrequency signal, and the radiofrequency signal is solved Reconcile and unpack after checking treatment, output data enters calculation process in line data set to control process unit.
4. multi-purpose unmanned equipment control development platform as claimed in claim 3, it is characterised in that the control process unit Including industrial PC, power management plate and some docking stations;
The industrial PC connects described image receiver, for carrying out processing point to the high-frequency signal from image receiver Analysis, and carry out correspondence display;
The industrial PC connects the ground surface end digital transmission module, for being carried out to the radiofrequency signal from ground surface end digital transmission module Control computing to judge, and correspondingly enter calculation process in line data set;
Some docking stations connection industrial PC, for provide standard mini PCI-E interfaces, 1000M networks, serial 232, CAN and 12V power interfaces.
5. multi-purpose unmanned equipment control development platform as claimed in claim 4, it is characterised in that the frequency of the high-frequency signal Rate is 315M or 595M.
6. multi-purpose unmanned equipment control development platform as claimed in claim 4, it is characterised in that the frequency of the radiofrequency signal Rate is 845M or 915M.
CN201710618778.2A 2017-07-26 2017-07-26 Multi-purpose unmanned equipment controls development platform Pending CN107315373A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710618778.2A CN107315373A (en) 2017-07-26 2017-07-26 Multi-purpose unmanned equipment controls development platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710618778.2A CN107315373A (en) 2017-07-26 2017-07-26 Multi-purpose unmanned equipment controls development platform

Publications (1)

Publication Number Publication Date
CN107315373A true CN107315373A (en) 2017-11-03

Family

ID=60175028

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710618778.2A Pending CN107315373A (en) 2017-07-26 2017-07-26 Multi-purpose unmanned equipment controls development platform

Country Status (1)

Country Link
CN (1) CN107315373A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102880193A (en) * 2011-07-15 2013-01-16 波音公司 Spacecraft development testbed system
CN103149912A (en) * 2013-03-01 2013-06-12 深圳航天科技创新研究院 Integrated measurement and control device for unmanned aerial vehicle
CN104460474A (en) * 2014-10-26 2015-03-25 吉林医药学院 Universal ground monitoring system for unmanned aerial vehicle
EP3012659A2 (en) * 2014-10-22 2016-04-27 Honeywell International Inc. Surveying areas using a radar system and an unmanned aerial vehicle
CN206057852U (en) * 2016-08-30 2017-03-29 广东容祺智能科技有限公司 A kind of Multifunctional inspecting unmanned aerial vehicle controls monitoring system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102880193A (en) * 2011-07-15 2013-01-16 波音公司 Spacecraft development testbed system
CN103149912A (en) * 2013-03-01 2013-06-12 深圳航天科技创新研究院 Integrated measurement and control device for unmanned aerial vehicle
EP3012659A2 (en) * 2014-10-22 2016-04-27 Honeywell International Inc. Surveying areas using a radar system and an unmanned aerial vehicle
CN104460474A (en) * 2014-10-26 2015-03-25 吉林医药学院 Universal ground monitoring system for unmanned aerial vehicle
CN206057852U (en) * 2016-08-30 2017-03-29 广东容祺智能科技有限公司 A kind of Multifunctional inspecting unmanned aerial vehicle controls monitoring system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
程多祥: "《无人机移动测量数据快速获取与处理》", 30 September 2015, 北京:测绘出版社 *

Similar Documents

Publication Publication Date Title
CN105656111B (en) Intelligent charger and its charging method, mobile power source
CN202150040U (en) Monitoring device of field mixed explosive vehicle
CN101719981B (en) Underground total darkness environment high definition video collecting and processing system as well as collecting and processing method
CN105071515A (en) Mobile power pack having wireless emission receiving function
CN107094243A (en) A kind of overhead power transmission line passage visualization inspection device and method
CN206057852U (en) A kind of Multifunctional inspecting unmanned aerial vehicle controls monitoring system
CN206197312U (en) Outdoor multifunctional intelligence knapsack
CN107315373A (en) Multi-purpose unmanned equipment controls development platform
CN209250773U (en) A kind of wireless movable type transmitting-receiving explosion-proof integrated monitoring system
CN204836438U (en) Intelligence TV remote controller with mouse function
CN207339885U (en) One kind communication dress dimension test device
CN107104473A (en) The structure and method that typically charging or quick charge are carried out to the rechargeable battery of mobile device can be automatically selected
CN107690059A (en) It is a kind of can portable adjusting wireless video transmission system and method
CN204858704U (en) Treasured charges with wireless transmit receive function
CN106981903A (en) Portable power source with communication function
CN211718735U (en) Intelligent lock control system based on BLE and cloud server
CN207234981U (en) It is a kind of can portable adjusting wireless video transmission system
CN207200392U (en) A kind of Intelligent wireless power charging system
CN204089962U (en) A kind of law-enforcing recorder being provided with temperature control protective circuit
CN207283710U (en) A kind of overall view monitoring system of wireless remote control
CN208724224U (en) A kind of low-consumption wireless image transmission based on LORAWAN
CN208241697U (en) Electric power communication protocol Portable movable encryption device based on 2.4G wireless transmission
CN201577153U (en) High-definition video capturing and processing system in underground all-black environment
CN207318842U (en) A kind of electric power intelligent glasses
CN206775185U (en) Portable power source with communication function

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for 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: 20171103