CN208128457U - A kind of well site of oil field video monitoring system - Google Patents
A kind of well site of oil field video monitoring system Download PDFInfo
- Publication number
- CN208128457U CN208128457U CN201820762954.XU CN201820762954U CN208128457U CN 208128457 U CN208128457 U CN 208128457U CN 201820762954 U CN201820762954 U CN 201820762954U CN 208128457 U CN208128457 U CN 208128457U
- Authority
- CN
- China
- Prior art keywords
- well site
- center
- video monitoring
- module
- oil field
- 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
Abstract
The utility model relates to a kind of well site of oil field video monitoring systems, including at least one well site video monitoring apparatus, each well site video monitoring apparatus and background monitoring center communication connection, well site video monitoring apparatus includes photographing module, audio collection input module and control module.Each well site video monitoring apparatus is other than including photographing module, it further include audio collection input module, the video information in well site is acquired by photographing module, the acoustic information in well site is acquired by audio collection input module, background monitoring center can obtain the video information and acoustic information in each well site simultaneously.In addition, this mode realizes the function that the broadband of well site video acquisition final stage distance is accessed in real time, moreover, realizing an innings control centre, oil recovery factory and operation area to the real time monitoring of well site video and sound, solve the problems such as the online inspection in unattended well site.
Description
Technical field
The utility model relates to a kind of well site of oil field video monitoring systems.
Background technique
With oil field automation Information System configuration, oilfield internal from former extensive management to information system management transition,
It gradually strengthens to the centralized management for arriving oil transportation process of recovering the oil, it is desirable that establish including oil well monitoring remote video, distribution line certainly
The monitor supervision platform for the multisystems such as dynamicization system, petroleum pipeline leakage monitoring, gathering station library be automatically-monitored, the purpose is to using existing
Farm monitoring system realizes data source header automatic collection.It is automatically loaded into level of factory real-time data base by oil field conventional network resources,
Open data platform is provided for administrative departments at different levels application, production and administrative staff is made to control and grasp in time Production development,
To realize the automation of entire production process;And the real time data of acquirement can be counted, analyze, optimize, to be
Guarantee that production equipment runs well, reduces production cost offer important evidence.
Authorization Notice No. is that the Chinese patent document of CN104219498B discloses a kind of oil field video prison based on wifi
Control system, including multiple terminal devices and client device, terminal device include wireless network monitoring camera, wireless bridge and
It is biased to antenna, wireless network monitoring camera is connect with wireless bridge, and wireless bridge is connected with antenna is biased to, client device packet
Network hard disk video recorder, interchanger, wireless bridge and omnidirectional antenna are included, network hard disk video recorder passes through interchanger and wireless bridge
It is connected, wireless bridge is connected with omnidirectional antenna, and multiple terminal devices and client device form wireless local area by wireless bridge
Net.The video monitoring system can only realize the monitoring in oil field according to the video information taken, and only be nothing by video information
Method effectively comprehensively realizes oilfield supervisory.
Utility model content
The purpose of the utility model is to provide a kind of well site of oil field video monitoring systems, only pass through video information to solve
The problem of effectively can not comprehensively realizing oilfield supervisory.
To achieve the above object, the utility model includes following technical scheme.
A kind of well site of oil field video monitoring system, including at least one well site video monitoring apparatus for well site to be arranged in
And background monitoring center, each well site video monitoring apparatus and background monitoring center communication connection, the well site video monitoring dress
It sets including photographing module, audio collection input module and control module, the control module connects the photographing module and audio
Acquire input module, background monitoring center described in the control module communication connection.
Each well site video monitoring apparatus further includes audio collection input module, passes through other than including photographing module
Photographing module acquires the video information in well site, the acoustic information in well site is acquired by audio collection input module, in background monitoring
The heart can obtain the video information and acoustic information in each well site simultaneously, effectively can comprehensively monitor in this way each
Well site.In addition, this mode can also realize the function that the broadband of well site video acquisition final stage distance is accessed in real time, and
And an innings control centre, oil recovery factory and operation area are realized to the real time monitoring of well site video and sound, it solves unattended
The problems such as the online inspection in well site.
Further, the well site video monitoring apparatus further includes the well site light for controlling the corresponding lighting apparatus in well site
Control unit, the control module are connect with the well site light control unit, and the well site light control unit, which has, to be used for
The well site Lighting Interface circuit of the corresponding lighting apparatus in control connection well site.Each well site can be controlled by well site light control unit
Lighting apparatus, further promote control and monitoring to each well site.
Further, the well site video monitoring apparatus further includes voice talk module, the control module and institute's predicate
Sound intercommunication module is connected, for carrying out speech talkback and breaking in well site to expel with background monitoring center.
Further, the well site video monitoring apparatus includes well site communication module, and control module connects well site and communicates mould
Block, the monitoring system further include local monitor center, and the local monitor center includes local communication module, local switch
With local monitor computer, the local communication module and each well site communication module communication connection, the local switch and this
Ground communication module is connected with local monitor computer, the local monitor center and background monitoring center communication connection.
Collected video information and acoustic information are transferred to local monitor center by each well site video monitoring apparatus, by
Local monitor center is sent to background monitoring center, also, local monitor computer realizes each well site video monitoring apparatus
The monitoring of video information and acoustic information.
Further, the well site communication module and the local communication module are wireless bridge.
Further, the wireless transmitting system of the well site communication module and the local communication module composition be 5.8G without
Line Transmission system.
Wireless transmitting system has selected reliable, stable, technological precedence 5.8G wireless transmitting system, for the transmission of monitoring
Provide reliable guarantee;5.8G wireless transmitting system meets IP67 level of protection specifically for outdoor design, has transmission distance
From remote (point-to-point reachable 50KM), strong environmental adaptability, installation, efficiently advantage easy to maintain;5.8G wireless transmitting system
Using advanced OFDM modulation technique, there is very strong non line of sight transmittability, be suitble to use under complex environment;It selects
5.8G wireless transmitting system has done corresponding design specifically for transmission of video application, supports multicast transmission and has isolation features,
Support MIR/CIR band width setting;5.8G wireless transmitting system is selected, has the function of to enhance QOS, bandwidth is provided for access website and protects
Card;5.8G wireless transmitting system is selected, while supporting point-to-point and point-to-multipoint networking application, networking flexibility can help user
Save great amount of investment.
Further, the monitoring system further includes second level monitoring center, the second level monitoring center and the local prison
Control center communication connection, the second level monitoring center include second level monitoring computer, secondary server and second level disk array, institute
State second level monitoring center and background monitoring center communication connection.
Local video and acoustic information are transmitted to second level monitoring center by local monitor center, complete the view of well site of oil field
Collected information is uploaded to background monitoring center by the acquisition of frequency and acoustic information, second level monitoring center.Also, second level monitors
Computer realizes the monitoring of well site second level, and second level disk array is for storing collected video information and acoustic information.
Further, the background monitoring center includes back-stage management computer, background server, main control module, TV
Wall and backstage disk array, the back-stage management computer, background server, main control module and backstage disk array pass through network
Bus forms backstage local area network, and the main control module connects the video wall.
The background monitoring of whole system is realized at background monitoring center, also, can be real-time by video information by video wall
Intuitively show.Backstage disk array is for storing collected video information and acoustic information.In addition, the local formed
Net can be realized the safe independent acquisition of well site video information and acoustic information, effectively prevent leakage of information.
Further, background monitoring center further includes for providing the UPS power supply system of electric energy for relevant device.Pass through
The uninterrupted power supply of UPS power supply system realizes the reliability service at background monitoring center.
Further, the background monitoring center further includes audio output apparatus and audio input device.It is defeated by audio
Equipment realizes that the outer of well site voice signal is put out, realizes issuing for backstage artificial sound signal by audio input device.
Further, the well site video monitoring apparatus further includes audio output apparatus, described in the control module connection
Audio output apparatus.
Further, monitoring system further include for be arranged in plant area, office building, family dependents' building and group through-connection station at least one
Photographic device, each photographic device and background monitoring center communication connection.Plant area, office building, family dependents' building are realized by photographic device
With the monitoring of group through-connection station.
Further, each photographic device and local monitor center communication connection, the local monitor center include local prison
Control computer, the local monitor center and background monitoring center communication connection.Each photographic device is by collected view
Frequency information is transferred to local monitor center, is sent to background monitoring center, also, local monitor computer by local monitor center
Realize the monitoring of each photographic device video information.
Further, the local monitor center and second level monitoring center communication connection, the second level monitoring center include
Second level disk array, secondary server and second level monitor computer, and the second level monitoring center and the background monitoring center are logical
News connection.
Local monitor center local video information transmission to second level monitoring center is completed into plant area, office building, family dependents' building
With the acquisition of the video information of group through-connection station, collected information is uploaded to background monitoring center by second level monitoring center.Also, two
Grade monitoring computer realizes second level monitoring, and second level disk array is for storing collected video information.
Detailed description of the invention
Fig. 1 is well site of oil field video monitoring system theory of constitution schematic diagram.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawing.
The present embodiment provides a kind of well site of oil field video monitoring systems, including at least one well site video monitoring apparatus, often
A well site video monitoring apparatus can be set in a well site, and certainly, multiple well site video monitorings can also be arranged in each well site
Device.In the present embodiment, each well site is respectively provided with a well site video monitoring apparatus, i.e. well site video monitoring apparatus and well site one
One is corresponding.Monitoring system further includes background monitoring center, each well site video monitoring apparatus and background monitoring center communication connection, right
In any one well site video monitoring apparatus, including photographing module (hereinafter referred to as video camera), audio collection input module and control
Molding block, control module connect video camera and audio collection input module, control module communication connection background monitoring center.Its
In, audio collection input module is used to acquire the acoustic information in well site, such as microphone or sound pick-up.
In the present embodiment, video camera transmits image information using high-definition digital IP C equipment, supports 30 times of optical zooms, and 16
Digital zoom again, using efficient infrared array, low-power consumption, irradiation distance reaches 200m, and using optics Penetrating Fog technology, significant increase is saturating
Fog effect supports digital wide dynamic, 3D digital noise reduction, strong Xanthophyll cycle, electronic flutter-proof, SmartIR, 360 ° of horizontal rotations, vertically
- 20 ° -90 ° of direction, while supporting that 300 presetting bits, 8 cruises scanning are supported in setting, support timed task, a key keep watch, one
Key cruise function.
As shown in Figure 1, the control module in the video monitoring apparatus of well site is specially interchanger.Also, in order to control each well
The lighting apparatus of field, for example floodlight, well site video monitoring apparatus further include well site light control unit, well site signal light control list
Member is connect with interchanger, and well site Lighting Interface circuit is provided on the light control unit of well site, passes through well site Lighting Interface circuit
It is connect with well site lighting apparatus, realizes the control to well site lighting apparatus.
Well site video monitoring apparatus further includes voice talk module (also referred to as two-way voice talkback module), control module with
Voice talk module connects (being not drawn into figure), and voice talk module has following function:The language at scene and background monitoring center
Sound intercommunication and to well site break in personnel carry out voice expel.
Moreover, well site video monitoring apparatus further includes audio output apparatus (being not drawn into figure), such as loudspeaker, the audio is defeated
Equipment connects interchanger out, by sound signal of raising one's voice to its utmost outside the audio output apparatus, also can be realized and carries out to the personnel that break in
The effect that voice expels makes well site relevant range get relevant voice signal.Therefore, well site video monitoring apparatus is supported most
The audio input on few 1 tunnel and the audio output at least 1 tunnel.
Well site video monitoring apparatus includes well site communication module, and interchanger is connected with well site communication module.Monitoring system
It further include local monitor center, local monitor center includes local communication module, local switch and local monitor computer, such as
Shown in Fig. 1, local communication module includes center receiving point, for the well site communication module in each well site video monitoring apparatus into
Row communication.Local switch is connected with local communication module and local monitor computer, local monitor center and background monitoring
Center communication connection.The local monitor in well site, also referred to as level-one monitoring or base station monitoring are realized by local monitor center.Respectively
Collected video information and acoustic information are transferred to local monitor center by a well site video monitoring apparatus, by local monitor
The heart is sent to background monitoring center, also, local monitor computer realize each well site video monitoring apparatus video information and
The monitoring of acoustic information.
It can be connected using wire communication between local monitor center and each well site video monitoring apparatus, nothing can also be used
Line communication connection, in the present embodiment, well site communication module and local communication module are wireless bridge, realize that wireless telecommunications connect
It connects, certainly, which includes relevant wireless bridge interface circuit.Further, well site communication module and local communication
The wireless transmitting system of module composition is 5.8G wireless transmitting system.
5.8G wireless transmitting system be the most widely used broadband wireless access platform RADWIn family in the whole world it is newest at
Member, RADWIN by its powerful non line of sight ability, high capacity, longer transmission distance, it is advanced encryption and QoS mechanism, for
Family provides a kind of enhanced broadband wireless access solution, become 5GHz frequency range preferentially broadband recommended to the user without
Line access platform.The program is the integrated application for combining current newest Video Supervision Technique, from technical standpoint and is answered
Advanced technology and leading application are all embodied with angle, main feature is as follows:Wireless transmitting system has selected reliable, stable
, Israel's imported with original packaging 5.8G broad band wireless transmission system of technological precedence, provide reliable guarantee for the transmission of monitoring;
The 5.8G wireless transmitting system of selection has IP67 level of protection specifically for outdoor design, has long transmission distance (point-to-point
Up to 50KM), strong environmental adaptability, installation, efficiently advantage easy to maintain;The 5.8G wireless transmitting system of selection uses
Advanced OFDM modulation technique has very strong non line of sight transmittability, is suitble to use under complex environment;It selects
5.8G wireless transmitting system has done corresponding design specifically for transmission of video application, supports multicast transmission and has isolation features,
Support MIR/CIR band width setting;The 5.8G wireless transmitting system of selection has the function of to enhance QOS, provides bandwidth for access website
Guarantee;The 5.8G wireless transmitting system of selection, while supporting point-to-point and point-to-multipoint networking application, networking flexibility can be helped
User saves great amount of investment;The 5.8G wireless transmitting system of selection, product, technology and application are mature, at home and abroad oil field, electricity
Multiple industries such as letter, electric power, airport, harbour, city have a large amount of successful application cases.
Further, monitoring system further includes second level monitoring center, and second level monitoring center downlink and local monitor center are logical
News connection, uplink and background monitoring center communication connection.As shown in Figure 1, second level monitoring center includes second level monitoring computer, two
Grade server and second level disk array.Second level monitors computer and realizes the monitoring of well site second level, and second level disk array is adopted for storing
The related data information collected, such as video information and acoustic information.
Therefore, video information and acoustic information are transmitted to by the video camera of each well site video monitoring apparatus by wireless bridge
Base station, second level monitoring center, which receives base station signal and passes through signal transmission apparatus again, to be transferred in the background monitoring of Oilfield Company
The heart.
As shown in Figure 1, background monitoring center include back-stage management computer, background server, main control module, video wall and
Backstage disk array, back-stage management computer, background server, main control module and backstage disk array are formed by network-bus
Backstage local area network, main control module connect video wall, and main control module includes big screen controller and Video Decoder.Background monitoring center
It realizes the background monitoring of whole system, also, video information can intuitively be shown in real time by video wall, facilitated whole
The monitoring in a oil field, backstage disk array is for storing collected video information and acoustic information.Pass through the local area network of formation
The safe independent acquisition that can be realized well site video information and acoustic information, effectively prevent leakage of information.Certainly, two among the above
Grade monitoring center can also use the way of realization of local area network.
In order to guarantee the uninterrupted power supply at background monitoring center, background monitoring center further includes for providing for relevant device
The UPS power supply system of electric energy.
Background monitoring center further includes audio output apparatus (such as loudspeaker) and audio input device (microphone) (the two
Equipment is not drawn into figure), realize that the outer of each well site voice signal is put and artificial sound signal issues.
In addition, monitoring system is also wrapped in order to which plant area, office building, family dependents' building and the group through-connection station to oil field carry out video monitoring
At least one photographic device for plant area, office building, family dependents' building and group through-connection station to be arranged in is included, such as:Plant area, office building,
A photographic device is at least arranged in each region in family dependents' building and group through-connection station.Each photographic device and the communication of background monitoring center connect
It connects.
With above similarly, each photographic device passes through corresponding server and local monitor center communication connection, local to supervise
Control center includes local monitor computer, local monitor center and background monitoring center communication connection.It further, further include two
Grade monitoring center, local monitor center and second level monitoring center communication connection, second level monitoring center includes second level disk array, two
Grade server and second level monitor computer, second level monitoring center and background monitoring center communication connection.
Each server above is video server, can support Streaming Media forwarding, real time monitoring, cradle head control,
The functions such as alarm, video recording, preset point setting and calling, video routing inspection, log management.
Therefore, technical solution provided in this embodiment is Oilfield Information reform strengthening standard application, realizes well site high definition
Video and stablizing for interlink warning data are transmitted, additionally it is possible to which overcoming influences oil because data transmission needs well site laying optical cable route
The drawbacks of well operations are constructed.
Specific embodiment is presented above, but the utility model is not limited to described embodiment.This is practical
Novel basic ideas are the hardware configuration of system, it is not limited to which systematic difference occasion, the i.e. system are not merely answered
Used in oil field, it can be applied in other occasions.In the case where not departing from the principles of the present invention and spirit to embodiment party
The change, modification, replacement and modification that formula carries out are still fallen in the protection scope of the utility model.
Claims (14)
1. a kind of well site of oil field video monitoring system, including at least one well site video monitoring apparatus for well site to be arranged in
And background monitoring center, each well site video monitoring apparatus and background monitoring center communication connection, which is characterized in that the well site view
Frequency monitoring device includes photographing module, audio collection input module and control module, and the control module connects the camera shooting mould
Block and audio collection input module, background monitoring center described in the control module communication connection.
2. well site of oil field video monitoring system according to claim 1, which is characterized in that the well site video monitoring apparatus
It further include the well site light control unit for controlling the corresponding lighting apparatus in well site, the control module and the well site light control
Unit connection processed, the well site light control unit have the well site Lighting Interface for controlling the corresponding lighting apparatus in connection well site
Circuit.
3. well site of oil field video monitoring system according to claim 1 or 2, which is characterized in that the well site video monitoring
Device further includes voice talk module, and the control module is connected with the voice talk module, for in background monitoring
The heart carries out speech talkback and breaks in well site to expel.
4. well site of oil field video monitoring system according to claim 1 or 2, which is characterized in that the well site video monitoring
Device includes well site communication module, and control module connects well site communication module, and the monitoring system further includes local monitor center,
The local monitor center includes local communication module, local switch and local monitor computer, the local communication module
With each well site communication module communication connection, the local switch is connected with local communication module and local monitor computer,
The local monitor center and background monitoring center communication connection.
5. well site of oil field video monitoring system according to claim 4, which is characterized in that the well site communication module and institute
Stating local communication module is wireless bridge.
6. well site of oil field video monitoring system according to claim 5, which is characterized in that the well site communication module and institute
The wireless transmitting system for stating local communication module composition is 5.8G wireless transmitting system.
7. well site of oil field video monitoring system according to claim 5 or 6, which is characterized in that the monitoring system is also wrapped
Include second level monitoring center, the second level monitoring center and local monitor center communication connection, the second level monitoring center packet
Include second level monitoring computer, secondary server and second level disk array, the second level monitoring center and the background monitoring center
Communication connection.
8. well site of oil field video monitoring system described according to claim 1 or 2 or 5 or 6, which is characterized in that the backstage prison
Control center includes back-stage management computer, background server, main control module, video wall and backstage disk array, the backstage pipe
It manages computer, background server, main control module and backstage disk array and backstage local area network, the master control is formed by network-bus
Module connects the video wall.
9. well site of oil field video monitoring system according to claim 8, which is characterized in that background monitoring center further includes using
In providing the UPS power supply system of electric energy for relevant device.
10. well site of oil field video monitoring system according to claim 8, which is characterized in that the background monitoring center is also
Including audio output apparatus and audio input device.
11. well site of oil field video monitoring system according to claim 1 or 2, which is characterized in that the well site video monitoring
Device further includes audio output apparatus, and the control module connects the audio output apparatus.
12. well site of oil field video monitoring system according to claim 1 or 2, which is characterized in that monitoring system further includes using
In at least one photographic device that plant area, office building, family dependents' building and group through-connection station is arranged in, each photographic device and background monitoring center
Communication connection.
13. well site of oil field video monitoring system according to claim 12, which is characterized in that each photographic device and local prison
Control center communication connection, the local monitor center include local monitor computer, the local monitor center and the backstage
Monitoring center communication connection.
14. well site of oil field video monitoring system according to claim 13, which is characterized in that the local monitor center with
Second level monitoring center communication connection, the second level monitoring center include second level disk array, secondary server and second level monitoring meter
Calculation machine, the second level monitoring center and background monitoring center communication connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820762954.XU CN208128457U (en) | 2018-05-21 | 2018-05-21 | A kind of well site of oil field video monitoring system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820762954.XU CN208128457U (en) | 2018-05-21 | 2018-05-21 | A kind of well site of oil field video monitoring system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208128457U true CN208128457U (en) | 2018-11-20 |
Family
ID=64185500
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820762954.XU Active CN208128457U (en) | 2018-05-21 | 2018-05-21 | A kind of well site of oil field video monitoring system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208128457U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110766892A (en) * | 2019-09-25 | 2020-02-07 | 中国石油天然气股份有限公司 | System for reducing power consumption of well site video monitoring and use method |
CN113630584A (en) * | 2021-08-10 | 2021-11-09 | 中石化石油工程技术服务有限公司 | Skid-mounted telecommunication integrated device for well site |
CN113982569A (en) * | 2021-10-28 | 2022-01-28 | 北京国基科技股份有限公司 | Remote wellhead service transmission system, method and device based on electric control rotary table |
-
2018
- 2018-05-21 CN CN201820762954.XU patent/CN208128457U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110766892A (en) * | 2019-09-25 | 2020-02-07 | 中国石油天然气股份有限公司 | System for reducing power consumption of well site video monitoring and use method |
CN113630584A (en) * | 2021-08-10 | 2021-11-09 | 中石化石油工程技术服务有限公司 | Skid-mounted telecommunication integrated device for well site |
CN113982569A (en) * | 2021-10-28 | 2022-01-28 | 北京国基科技股份有限公司 | Remote wellhead service transmission system, method and device based on electric control rotary table |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN208128457U (en) | A kind of well site of oil field video monitoring system | |
CN102931724B (en) | Intelligent video monitoring system for electric power transmission and transformation | |
CN201039373Y (en) | Transformer substation remote image monitoring system | |
CN104153815A (en) | Comprehensive integral mine dispatching communication system | |
CN104574580A (en) | Remote control system for access control system | |
CN202364317U (en) | Power emergency command communication system | |
CN103178903A (en) | Power emergency communication system based on wireless optical networks | |
CN112702101B (en) | High-speed wireless network transmission method for field infrared photographic monitoring | |
CN102843545A (en) | Urban network monitoring system | |
CN203445963U (en) | 3G wireless transmission individual soldier system | |
CN202535476U (en) | Video monitoring system for electric power device | |
CN102387352B (en) | Video monitoring system adopting wind/solar complementary power supply under wireless Mesh network | |
CN204068990U (en) | Mine is wired, broadcast integrated dispatching communication system | |
CN203206291U (en) | Mine emergency rescue communication system | |
CN201585043U (en) | 3g video camera | |
CN206977419U (en) | A kind of household interactive television system based on intelligent grid | |
CN203554483U (en) | Video, voice and locking integrated system of fully mechanized working face | |
CN209930512U (en) | Forest and grassland wireless mobile multimedia emergency system | |
CN201717895U (en) | Power multi-way remote monitoring system based on 3G network and WIFI protocol | |
CN102368820A (en) | Visible dialogue system based on digital television | |
CN105635694A (en) | Long-distance wireless video surveillance system established based on WIFI local area network | |
CN209710224U (en) | A kind of public security dot matrix many integrationization monitoring | |
CN205453960U (en) | Remote wireless video monitor system based on WIFI LAN is establish | |
CN204795382U (en) | Integration equipment and have video monitor system of this integration equipment with video monitoring and wireless access point function | |
CN218387620U (en) | Visual emergency command communication system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |