CN104320635A - GIS switch position remote online monitoring system based on video - Google Patents
GIS switch position remote online monitoring system based on video Download PDFInfo
- Publication number
- CN104320635A CN104320635A CN201410674051.2A CN201410674051A CN104320635A CN 104320635 A CN104320635 A CN 104320635A CN 201410674051 A CN201410674051 A CN 201410674051A CN 104320635 A CN104320635 A CN 104320635A
- Authority
- CN
- China
- Prior art keywords
- video
- gis
- switch
- aspherical mirror
- monitoring system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Closed-Circuit Television Systems (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses a GIS switch position remote online monitoring system based on video. The system is characterized by comprising a GIS switch state video capture device, a video signal transmission system, a video matrix and database system and a video synchronous multichannel monitor and an auxiliary processing system for image monitoring, wherein a GIS switch is photographed in real time online by the GIS switch state video capture device through a micro camera, and a GIS switch state video can be captured; power supply and video signal transmission of the micro camera and a light source are achieved and high-voltage pulses are electromagnetically shielded through the video signal transmission system; multiple paths of video signals of the micro camera are output by the video matrix and database system through an array switching method and the video signals are input to a management database; the video synchronous channel monitor is used for receiving video signals sent by the video matrix and database system and displaying the images of channels on different screens sequentially or on the same screen; the auxiliary processing system for image monitoring is used for receiving and processing the video signals sent by the video matrix and database system, whether the action state of a moveable contact is in place or not is judged according to the GIS switch position, and auxiliary monitoring and recording are performed.
Description
Technical field
The present invention relates to the monitoring device technical field of GIS isolated switchgear deciliter location status, especially a kind of GIS position of the switch remote online monitoring system based on video.
Background technology
In recent years, along with the continuous enlargement of domestic electrical network scale, for regulating the peak-valley difference of load, many Pumped Storage Plants have been built in all parts of the country, provide the significant role such as peak regulation, emergency duty and frequency modulation phase modulation for operation of power networks.Due to special role and the operating mode of Pumped Storage Plant, critical component GIS (gas-insulated metal enclosed switchgear) frequent operation in its circuit, for ensureing safety, it is also proposed new demand to the monitoring of GIS on off state.
The method of conventional GIS isolating switch state is: after switching manipulation completes, and by the artificial pointwise of observation window (diameter about 10mm), visual or fibre scope checks that whether switch is by operation deciliter.In actual applications, the method labour is large, efficiency is low, poor stability, have tunnel vision, and the shortcomings such as light field is dim cannot overcome always, and consequent erroneous judgement causes the major accident of a lot of " on-load draws isolating switch ".Simultaneously because of in high-voltage switch gear conjunction process, the electric arc of incandescent and high-voltage pulse electromagnetic field, to the harm of human eye and human body, make to monitor in real time deciliter action of dynamic/static contact in moving process and to judge.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of GIS position of the switch remote online monitoring system based on video.The present invention can be quick, reliable and safe on-line monitoring is carried out on off states such as GIS isolation, ground connection, drastically reduce the area operating error and intensity, improve the reliability of electric equipment operation, for the life-cycle management and complete period safe operation realizing GIS provides method and apparatus guarantee.
For solving the problems of the technologies described above, technical scheme of the present invention is as follows: based on the GIS position of the switch remote online monitoring system of video, it is characterized in that, comprise GIS on off state video acquisition device, by being arranged in the minisize pick-up head on GIS switch observation window, online to be positioned at GIS switch captured in real-time, complete the high-speed video collection to GIS on off state;
Video signal transmission system, realizes the power supply to minisize pick-up head and light source, video signal transmission and the shielding to high-voltage pulse electromagnetism;
Video matrix and Database Systems, the vision signal of multichannel minisize pick-up head exports by the method switched with array, and by vision signal typing management database;
Audio video synchronization multichannel monitor, for accepting the vision signal that video matrix and Database Systems send, by the image of each passage with by screen or be presented on screen with the mode of screen;
By the GIS position of the switch, picture control aid in treatment system, for accepting and process the vision signal that video matrix and Database Systems send, judges whether moving contact operate condition puts in place, auxiliary monitoring record.
Aforesaid based in the GIS position of the switch remote online monitoring system of video, described GIS on off state video acquisition device comprises GIS switch observation window, GIS switch observation window is provided with two peepholes, and peephole is enclosed construction, and the end of peephole is provided with circular glass sheet; Two described peepholes are respectively the light injection aperture that camera hole that aperture is 10mm and aperture are 8mm, GIS switch observation window is provided with holder, holder is provided with microcam and light source, and microcam is arranged in camera hole, and light source is arranged in light injection aperture.
Aforesaid based in the GIS position of the switch remote online monitoring system of video, described GIS on off state video acquisition device is connected by snap joint with video signal transmission system.
Aforesaid based in the GIS position of the switch remote online monitoring system of video, described microcam is arranged in double-level-metal pipe box, is provided with the light transmission electro-magnetic screen layer being positioned at microcam camera lens front end in double-level-metal pipe box.
Aforesaid based in the GIS position of the switch remote online monitoring system of video, the transmission line of described connection each several part is all coated with composite shielding cover outward, and composite shielding cover comprises the wire netting sleeve pipe of the metal bellows of outer shielding layer, the soft fire proofing in intermediate layer and internal shield.
Aforesaid based in the GIS position of the switch remote online monitoring system of video, described picture control aid in treatment system comprises the GIS on off state image data base with graphical analysis comparison function, judgement can be compared to realtime graphic and switch standard state, provide the result whether put in place, and show whether isolating switch, earthed switch exist exception according to result, auxiliary operation and patrol officer's work, and by switch number, the time, state and whether the equal real time record of all information such as normal enter GIS on off state image data base.
Aforesaid based in the GIS position of the switch remote online monitoring system of video, described minisize pick-up head comprises lens set, and lens set one end is provided with complementary metal oxide semiconductors (CMOS) photo-sensitive cell, and the other end arranges light transmission electro-magnetic screen layer.
Aforesaid based in the GIS position of the switch remote online monitoring system of video, described lens set comprises the first aspherical mirror, the second aspherical mirror, the 3rd aspherical mirror, the 4th aspherical mirror, the 5th aspherical mirror, the 6th index plane mirror and the 7th index plane mirror that are arranged in order, the radius of curvature of the first aspherical mirror is-3.8342, the radius of curvature of the second aspherical mirror is 2.2626, the radius of curvature of the 3rd aspherical mirror is 13.5423, the radius of curvature of the 4th aspherical mirror is-5.1469, and the radius of curvature of the 5th aspherical mirror is 0.8612.
Beneficial effect of the present invention: the present invention, with miniature special camera and low temperature light source, monitors the dynamic/static contact of GIS device switch by GIS switch (isolating switch, earthed switch) observation window; Video processing circuit is connected with pancratic minisize pick-up head; The optical signalling of camera is converted to electronic signal by video processing circuit, and by the long-range cable that electromagnetism two-layer compound shields, multiple signals is transferred to monitoring host computer simultaneously; The camera lens of miniature special camera and photosensitive circuit, having can the shielding sheet that impacts of Protection switch electric arc and housing, can long term monitoring high-voltage switch gear state and not damaging.Monitoring host computer system can parallel processing multi-path remote video pilot signal, and the video of each on off state of energy real time record or image information, and auxiliary determine whether switch contact performs switching action and contact whether positive stop with this, this system is applied in GIS switchgear status remote on-line monitoring, can ensure that GIS switchgear reliably performs and accurately puts in place, stop " on-load operation isolating switch " accident, thus improve the operational reliability of GIS.
The present invention is compared with the method for traditional manual confirmation switch, accuracy is good, efficiency is high, achieve and be manually beyond one's reach, carry out overall process to multiple GIS switch to monitor continuously and writing function simultaneously, drastically reduce the area operating error and intensity, improve the reliability of electric equipment operation, for the life-cycle management and complete period safe operation realizing GIS provides method and apparatus guarantee, significant.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the enlarged diagram of E in Fig. 1;
Fig. 3 is the structural representation of composite shielding cover;
Fig. 4 is the structural representation of minisize pick-up head.
Being labeled as in accompanying drawing: 1-GIS on off state video acquisition device, 2-video signal transmission system, 3-video matrix and Database Systems, 4-audio video synchronization multichannel monitor, 5-picture control aid in treatment system, 6-GIS switch observation window, 7-microcam, 8-light source, 9-holder, 10-snap joint, 11-composite shielding cover, 12-metal bellows, the soft fire proofing of 13-, 14-wire netting sleeve pipe, 15-lens set, 16-complementary metal oxide semiconductors (CMOS) photo-sensitive cell, 17-light transmission electro-magnetic screen layer.
Below in conjunction with embodiment, the present invention is further illustrated, and embodiments of the present invention are not limited to following embodiment, and the various changes made under the prerequisite not departing from present inventive concept all belong within protection scope of the present invention.
Embodiment
Embodiment.Based on the GIS position of the switch remote online monitoring system of video, it is characterized in that, comprise GIS on off state video acquisition device 1, by being arranged in the minisize pick-up head on GIS switch observation window, online to be positioned at GIS switch captured in real-time, complete the high-speed video collection to GIS on off state;
Video signal transmission system 2, realizes the power supply to minisize pick-up head and light source, video signal transmission and the shielding to high-voltage pulse electromagnetism;
Video matrix and Database Systems 3, the vision signal of multichannel minisize pick-up head exports by the method switched with array, and by vision signal typing management database;
Audio video synchronization multichannel monitor 4, for accepting the vision signal that video matrix and Database Systems send, by the image of each passage with by screen or be presented on screen with the mode of screen;
By the GIS position of the switch, picture control aid in treatment system 5, for accepting and process the vision signal that video matrix and Database Systems send, judges whether moving contact operate condition puts in place, auxiliary monitoring record.
Described GIS on off state video acquisition device 1 comprises GIS switch observation window 6, GIS switch observation window 6 and is provided with two peepholes, and peephole is enclosed construction, and the end of peephole is provided with circular glass sheet; Two described peepholes are respectively the light injection aperture that camera hole that aperture is 10mm and aperture are 8mm, GIS switch observation window 6 is provided with holder 9, holder 9 is provided with microcam 7 and light source 8, and microcam 7 is arranged in camera hole, and light source 8 is arranged in light injection aperture.Described minisize pick-up head 7 is in order to the operating state of shooting, collecting switch movable contact; Described light source 8 is low temperature light source, provides irradiation light to shooting field; Minisize pick-up head, light source, signal transmssion line, power line are all concentrated on holder 9, there is the feature of easy care and autgmentability.Described holder 9 flexible clamping is on GIS observation window shell, and mechanical fasteners in addition.
Described GIS on off state video acquisition device 1 is connected by snap joint 10 with video signal transmission system 2, can realize patching fast and being separated of GIS on off state video acquisition device 1 and video signal transmission system 2.
Described microcam 7 is arranged in double-level-metal pipe box, is provided with the light transmission electro-magnetic screen layer 17 being positioned at microcam camera lens front end in double-level-metal pipe box, improves the impact property of anti-high-tension electricity magnetic wave.
The transmission line (comprising power line, holding wire etc.) of described connection each several part is all coated with composite shielding cover 11 outward, and composite shielding cover 11 comprises the wire netting sleeve pipe 14 of the metal bellows 12 of outer shielding layer, the soft fire proofing 13 in intermediate layer and internal shield.Can ensure that system line normally works under high-voltage pulse electric magnetic field environment.
Described picture control aid in treatment system 5 comprises the GIS on off state image data base with graphical analysis comparison function, judgement can be compared to realtime graphic and switch standard state, provide the result whether put in place, and show whether isolating switch, earthed switch exist exception according to result, auxiliary operation and patrol officer's work, and by switch number, the time, state and whether the equal real time record of all information such as normal enter GIS on off state image data base.
Described minisize pick-up head 7 comprises lens set 15, and lens set 15 one end is provided with complementary metal oxide semiconductors (CMOS) photo-sensitive cell 16, and the other end arranges light transmission electro-magnetic screen layer 17.
Described lens set 15 comprises the first aspherical mirror, the second aspherical mirror, the 3rd aspherical mirror, the 4th aspherical mirror, the 5th aspherical mirror, the 6th index plane mirror and the 7th index plane mirror that are arranged in order, the radius of curvature of the first aspherical mirror is-3.834, the radius of curvature of the second aspherical mirror is 2.263, the radius of curvature of the 3rd aspherical mirror is 13.542, the radius of curvature of the 4th aspherical mirror is-5.147, and the radius of curvature of the 5th aspherical mirror is 0.861.The radius of curvature of the 6th index plane mirror and the 7th index plane mirror is Infinity (infinity).Described first aspherical mirror is adjacent with light transmission electro-magnetic screen layer 17, and the 7th index plane mirror is adjacent with complementary metal oxide semiconductors (CMOS) photo-sensitive cell 16.
Lens set can adopt following form:
| Sequentially | Type | Radius of curvature | Thickness mm | Material | K-factor |
| 1 | Aspheric surface | -3.834 | 0.136 | E48R | 3.349 |
| 2 | Aspheric surface | 2.263 | 0.159 | POLYCARB | 10 |
| 3 | Aspheric surface | 13.542 | 0.691 | POLYCARB | -4.457 |
| 4 | Aspheric surface | -5.147 | 0.369 | E48R | 10 |
| 5 | Aspheric surface | 0.861 | 0.477 | E48R | -5.112 |
| 6 | Index plane | Infinity | 0.1 | K9 | 0 |
| 7 | Index plane | Infinity | 0.3 | K9 | 0 |
Lens set 15 adopts the design of many group aspherical mirrors, inner focusing zoom light path, little picture distortion (picture distortion 1.5%, TV distorts 0.1%) and the 3cm zoom function to infinity is achieved under the prerequisite of little back focal length (0.56mm) and Large visual angle (70 °).Camera volume is little, image taking speed fast to adopt complementary metal oxide semiconductors (CMOS) photo-sensitive cell 16 to meet, and dynamic range is large, power consumption and the low requirement of caloric value.
Operation principle of the present invention is: at GIS device switch observation window, special minisize pick-up head (often organizing ABC three-phase) is arranged in pointwise, by the video signal transmission system through composite shielding, by the dynamic video signal of the position of the switch and stroke state, import matrix surveillance main frame into, amplify display with screen or by screen on a video display, the overall process realizing on off state is monitored in real time.Meanwhile, this system can by the Signal transmissions of each camera to picture control aid in treatment system, and automatic analysis switch puts in place state, and provides result, achieves the artificial and two judgement of intelligent system.Meanwhile, Operation system setting has writing function, the image of switch deciliter overall process, vision signal and the equal synchronous recording of judgement fruit can be entered management database.
Claims (8)
1. based on the GIS position of the switch remote online monitoring system of video, it is characterized in that, comprise GIS on off state video acquisition device (1), by being arranged in the minisize pick-up head on GIS switch observation window, online to be positioned at GIS switch captured in real-time, complete the high-speed video collection to GIS on off state;
Video signal transmission system (2), realizes the power supply to minisize pick-up head and light source, video signal transmission and the shielding to high-voltage pulse electromagnetism;
Video matrix and Database Systems (3), the vision signal of multichannel minisize pick-up head exports by the method switched with array, and by vision signal typing management database;
Audio video synchronization multichannel monitor (4), for accepting the vision signal that video matrix and Database Systems send, by the image of each passage with by screen or be presented on screen with the mode of screen;
By the GIS position of the switch, picture control aid in treatment system (5), for accepting and process the vision signal that video matrix and Database Systems send, judges whether moving contact operate condition puts in place, auxiliary monitoring record.
2. the GIS position of the switch remote online monitoring system based on video according to claim 1, it is characterized in that: described GIS on off state video acquisition device (1) comprises GIS switch observation window (6), GIS switch observation window (6) is provided with two peepholes, peephole is enclosed construction, and the end of peephole is provided with circular glass sheet; Two described peepholes are respectively the light injection aperture that camera hole that aperture is 10mm and aperture are 8mm, GIS switch observation window (6) is provided with holder (9), holder (9) is provided with microcam (7) and light source (8), microcam (7) is arranged in camera hole, and light source (8) is arranged in light injection aperture.
3. the GIS position of the switch remote online monitoring system based on video according to claim 2, is characterized in that: described GIS on off state video acquisition device (1) is connected by snap joint (10) with video signal transmission system (2).
4. the GIS position of the switch remote online monitoring system based on video according to claim 1, it is characterized in that: described microcam (7) is arranged in double-level-metal pipe box, is provided with the light transmission electro-magnetic screen layer being positioned at microcam camera lens front end in double-level-metal pipe box.
5. the GIS position of the switch remote online monitoring system based on video according to claim 1, it is characterized in that: the transmission line of described connection each several part is all coated with composite shielding cover (11) outward, composite shielding cover (11) comprises the wire netting sleeve pipe (14) of the metal bellows (12) of outer shielding layer, the soft fire proofing (13) in intermediate layer and internal shield.
6. the GIS position of the switch remote online monitoring system based on video according to claim 1, it is characterized in that: described picture control aid in treatment system comprises the GIS on off state image data base with graphical analysis comparison function, judgement can be compared to realtime graphic and switch standard state, provide the result whether put in place, and draw isolating switch according to result, whether earthed switch exists exception, auxiliary operation and patrol officer's work, and by switch number, time, whether state and the equal real time record of all information such as normal enter GIS on off state image data base.
7. the GIS position of the switch remote online monitoring system based on video according to any one of claim 1-6 claim, it is characterized in that: described minisize pick-up head (7) comprises lens set (15), lens set (15) one end is provided with complementary metal oxide semiconductors (CMOS) photo-sensitive cell (16), and the other end arranges light transmission electro-magnetic screen layer (17).
8. the GIS position of the switch remote online monitoring system based on video according to claim 7, it is characterized in that: described lens set (15) comprises the first aspherical mirror be arranged in order, second aspherical mirror, 3rd aspherical mirror, 4th aspherical mirror, 5th aspherical mirror, 6th index plane mirror and the 7th index plane mirror, the radius of curvature of the first aspherical mirror is-3.8342, the radius of curvature of the second aspherical mirror is 2.2626, the radius of curvature of the 3rd aspherical mirror is 13.5423, the radius of curvature of the 4th aspherical mirror is-5.1469, the radius of curvature of the 5th aspherical mirror is 0.8612.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410674051.2A CN104320635B (en) | 2014-11-21 | 2014-11-21 | GIS position of the switch remote online monitoring system based on video |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410674051.2A CN104320635B (en) | 2014-11-21 | 2014-11-21 | GIS position of the switch remote online monitoring system based on video |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104320635A true CN104320635A (en) | 2015-01-28 |
| CN104320635B CN104320635B (en) | 2018-02-06 |
Family
ID=52375798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410674051.2A Active CN104320635B (en) | 2014-11-21 | 2014-11-21 | GIS position of the switch remote online monitoring system based on video |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104320635B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356622A (en) * | 2015-12-24 | 2016-02-24 | 国网浙江杭州市富阳区供电公司 | Method and system for acquiring positions of switches at switch station in real time |
| CN107888825A (en) * | 2017-11-08 | 2018-04-06 | 信利光电股份有限公司 | A kind of control method of camera module and camera movement |
| CN110456254A (en) * | 2019-08-20 | 2019-11-15 | 南京优倍自动化系统有限公司 | A kind of automatic checkout equipment and method for pcb board |
| CN112528983A (en) * | 2020-12-16 | 2021-03-19 | 国网江苏省电力有限公司检修分公司 | GIS isolation/grounding switch video image acquisition system under dark light condition |
| CN112788291A (en) * | 2020-12-28 | 2021-05-11 | 安徽寒武纪信息科技有限公司 | Method for presenting dual-channel image and related product |
| CN113708505A (en) * | 2021-08-01 | 2021-11-26 | 南京理工大学 | Novel coil for wireless charging of GIS state observation video sensor |
| CN116316480A (en) * | 2023-03-21 | 2023-06-23 | 广东电网有限责任公司茂名供电局 | GIS-based topology error prevention method, system, medium and computer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201750512U (en) * | 2010-06-30 | 2011-02-16 | 重庆市电力公司 | Intelligent recognition video analysis system for safety production |
| CN102097226A (en) * | 2011-01-15 | 2011-06-15 | 石明霞 | State signal acquisition device of high-voltage circuit breaker in substation |
| CN201898576U (en) * | 2010-11-08 | 2011-07-13 | 沈阳仪表科学研究院 | High-voltage switch video monitoring system |
| CN202121209U (en) * | 2011-05-27 | 2012-01-18 | 平高集团有限公司 | Intelligent high voltage switch device |
| CN103022903A (en) * | 2012-11-30 | 2013-04-03 | 四川电力科学研究院 | Intelligent video monitoring system for isolating switch state in high-voltage switch cabinet |
| CN203071404U (en) * | 2012-11-30 | 2013-07-17 | 四川电力科学研究院 | Intelligent video monitoring system for state of isolating switch in high-voltage switch cabinet |
-
2014
- 2014-11-21 CN CN201410674051.2A patent/CN104320635B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201750512U (en) * | 2010-06-30 | 2011-02-16 | 重庆市电力公司 | Intelligent recognition video analysis system for safety production |
| CN201898576U (en) * | 2010-11-08 | 2011-07-13 | 沈阳仪表科学研究院 | High-voltage switch video monitoring system |
| CN102097226A (en) * | 2011-01-15 | 2011-06-15 | 石明霞 | State signal acquisition device of high-voltage circuit breaker in substation |
| CN202121209U (en) * | 2011-05-27 | 2012-01-18 | 平高集团有限公司 | Intelligent high voltage switch device |
| CN103022903A (en) * | 2012-11-30 | 2013-04-03 | 四川电力科学研究院 | Intelligent video monitoring system for isolating switch state in high-voltage switch cabinet |
| CN203071404U (en) * | 2012-11-30 | 2013-07-17 | 四川电力科学研究院 | Intelligent video monitoring system for state of isolating switch in high-voltage switch cabinet |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356622A (en) * | 2015-12-24 | 2016-02-24 | 国网浙江杭州市富阳区供电公司 | Method and system for acquiring positions of switches at switch station in real time |
| CN107888825A (en) * | 2017-11-08 | 2018-04-06 | 信利光电股份有限公司 | A kind of control method of camera module and camera movement |
| CN110456254A (en) * | 2019-08-20 | 2019-11-15 | 南京优倍自动化系统有限公司 | A kind of automatic checkout equipment and method for pcb board |
| CN112528983A (en) * | 2020-12-16 | 2021-03-19 | 国网江苏省电力有限公司检修分公司 | GIS isolation/grounding switch video image acquisition system under dark light condition |
| CN112528983B (en) * | 2020-12-16 | 2023-12-26 | 国网江苏省电力有限公司检修分公司 | GIS isolation/grounding switch video image acquisition system under dim light condition |
| CN112788291A (en) * | 2020-12-28 | 2021-05-11 | 安徽寒武纪信息科技有限公司 | Method for presenting dual-channel image and related product |
| CN113708505A (en) * | 2021-08-01 | 2021-11-26 | 南京理工大学 | Novel coil for wireless charging of GIS state observation video sensor |
| CN116316480A (en) * | 2023-03-21 | 2023-06-23 | 广东电网有限责任公司茂名供电局 | GIS-based topology error prevention method, system, medium and computer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104320635B (en) | 2018-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104320635A (en) | GIS switch position remote online monitoring system based on video | |
| CN111458890B (en) | True-color double-light night vision device system and implementation method | |
| CN204171513U (en) | High pressure separate injection multi signal synchronous | |
| CN110691221A (en) | System for realizing intelligent video monitoring for unattended transformer substation | |
| CN207502802U (en) | 75mm focusing machine visual lens | |
| CN204206353U (en) | A kind of portable pair of spectroscopy equipment with shooting-recording function | |
| CN207457594U (en) | 4mm focusing machine visual lens | |
| CN212784891U (en) | Intelligent inspection system for secondary cabinet of transformer substation | |
| CN206180698U (en) | Electrical equipment failure inspection device based on win10 system is sent to raspberry | |
| CN203909386U (en) | special underwater imaging wide-angle lens | |
| CN204392428U (en) | A kind of indoor security supervising device of improvement | |
| CN213459076U (en) | Three-dimensional imaging system assembled on tokamak | |
| CN204758132U (en) | Infrared detection achievement of integration station | |
| CN107995464B (en) | Video quality self-adaptive VR device applied to unmanned aerial vehicle | |
| CN207218855U (en) | A kind of POC medical treatment camera module | |
| CN115508857B (en) | Imaging device applied to fusion plasma | |
| CN203313323U (en) | Special SDI high-definition micro video camera for ATMs | |
| CN206283606U (en) | One kind digitlization high-resolution remote trial system | |
| CN101959058A (en) | Laser night vision shooting and monitoring system | |
| CN215990988U (en) | Video observation acquisition system based on optical light splitting structure | |
| CN204883034U (en) | 3. 35 -10. 05mm complete miniature zoom of plastic casing 1080p high definition | |
| CN103744165A (en) | Special underwater imaging wide-angle lens | |
| CN110769199A (en) | Behavior analysis early warning system based on video image | |
| CN108831085A (en) | The video monitoring system of Technique on Quantum Communication | |
| CN207766418U (en) | Water conservancy equipment operation monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |