CN208675410U - Monitoring system - Google Patents
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- CN208675410U CN208675410U CN201821478439.5U CN201821478439U CN208675410U CN 208675410 U CN208675410 U CN 208675410U CN 201821478439 U CN201821478439 U CN 201821478439U CN 208675410 U CN208675410 U CN 208675410U
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- interchanger
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Abstract
The utility model provides a kind of monitoring system, is related to data communication technology field.The monitoring system includes: multiple cameras, interchanger, hard disk video recorder, transmitter and monitor terminal, between multiple cameras and interchanger, wired connection between interchanger and hard disk video recorder and between hard disk video recorder and transmitter, transmitter and monitor terminal are wirelessly connected, each camera, for monitoring the monitor video for obtaining institute overlay area, monitor video is sent to hard disk video recorder by interchanger, hard disk video recorder, monitor video for sending each camera synthesizes picture monitor video more than one, and more picture monitor videos are sent to transmitter, transmitter, for more picture monitor videos to be sent to monitor terminal, monitor terminal, for receiving and showing more picture monitor videos.The utility model improves monitoring effect, reduces monitoring cost.
Description
Technical field
The utility model relates to data communication technology fields, in particular to a kind of monitoring system.
Background technique
Monitoring system is using most one of systems in security system, by portions such as camera shooting, transmission, control, display, records
It is grouped as.Video monitoring has also obtained quick development, from earliest simulation monitoring to digital supervision several years ago, then to recently
Network Video Surveillance, earth-shaking variation has occurred in video monitoring system.Video monitoring system since its monitoring effect is good,
It is widely used in the various aspects such as highway, railway and navigation.
In the prior art, camera head monitor obtains the monitor video of institute overlay area, and by corresponding with the camera
Monitor video is transmitted on monitor terminal by transmitter, and monitor terminal receives and shows monitor video.But due to a camera
A transmitter would generally be respectively corresponded, therefore when camera is more, and multiple transmitters send monitor video to monitor terminal,
Multiple frequency bands can be occupied and frequency is inconsistent, be easy to cause frequency chaotic, monitor terminal reception is easy to produce error, so as to cause
The effect being monitored is poor.In addition, data volume included by multiple monitor videos is larger, therefore the prior art also results in prison
The higher cost of control.
Utility model content
The purpose of this utility model is that in view of the deficiency of the prior art, a kind of monitoring system is provided, to solve
Monitoring effect is poor and the higher problem of monitoring cost.
To achieve the above object, the utility model embodiment the technical solution adopted is as follows:
The utility model embodiment provides a kind of monitoring system, the monitoring system include: multiple cameras, interchanger,
Hard disk video recorder, transmitter and monitor terminal, between multiple cameras and interchanger, between interchanger and hard disk video recorder and
Wired connection between hard disk video recorder and transmitter, transmitter and monitor terminal are wirelessly connected；
Each camera is sent by interchanger to hard disk video recorder for monitoring the monitor video for obtaining institute overlay area
Monitor video；
Hard disk video recorder, the monitor video for sending each camera synthesize picture monitor video more than one, and will
More picture monitor videos are sent to transmitter；
Transmitter, for more picture monitor videos to be sent to monitor terminal；
Monitor terminal, for receiving and showing more picture monitor videos.
Preferably, transmitter is the transmitter based on Digital Image Transmission, correspondingly, monitor terminal is based on digital picture
The reception of transmission shows all-in-one machine.
Preferably, transmitter is COFDM (Coded Orthogonal Frequency Division
Multiplexing, Coded Orthogonal Frequency Division Multiplexing) transmitter, correspondingly, monitor terminal is that COFDM receives display all-in-one machine.
Preferably, monitor terminal is that vehicle-mounted COFDM receives display all-in-one machine.
Preferably, hard disk video recorder is specifically used for showing multiple monitor videos into same display screen, and will display
Shown picture is sent to transmitter in screen.
Preferably, interchanger includes: host exchange and multiple from interchanger；
It is multiple to be corresponded from interchanger and multiple cameras, and wired connection, it is multiple from interchanger and host exchange
Wired connection；
Host exchange and hard disk video recorder wired connection.
Preferably, transmitter is specifically used for predeterminated frequency and pre-set bandwidths being based on, by more picture monitor videos by antenna
It is sent to monitor terminal.
Preferably, multiple cameras prolong railway line distribution.
Preferably, positioning chip is provided in multiple cameras.
Preferably, the frequency of the wave of transmitter transmitting is between 300MHz (megahertz)~600MHz.
The beneficial effects of the utility model are:
The utility model embodiment provides a kind of monitoring system, the monitoring system include: multiple cameras, interchanger,
Hard disk video recorder, transmitter and monitor terminal, between multiple cameras and interchanger, wired between interchanger and hard disk video recorder
Connection, each camera head monitor obtain the monitor video of institute overlay area, send monitor video to hard disk video recorder by interchanger,
Multiple monitor videos are synthesized picture monitor video more than one by hard disk video recorder.Hard disk video recorder is more by this by wired connection
Picture monitor video is sent to transmitter, which is sent to monitoring eventually by transmitter by being wirelessly connected
End, monitor terminal receives and shows the received more picture monitor videos of institute, to realize monitoring.Since HD recording can be passed through
Multiple monitor videos are synthesized picture monitor video more than one by machine, therefore, only can send more pictures by a transmitter
On the one hand face monitor video does not need to occupy multiple frequency bands to monitor terminal, improve the reliability of transmission, and monitor terminal can be with
More picture monitor videos are reliablely and stablely received, monitoring effect is improved, on the other hand compared with multiple monitor videos, more pictures
The data volume that monitor video includes is less, therefore also reduces monitoring cost.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the monitoring system schematic diagram that an embodiment of the present invention provides；
Fig. 2 is the monitoring system schematic diagram that an embodiment of the present invention provides；
Fig. 3 is the monitoring system schematic diagram that an embodiment of the present invention provides；
Fig. 4 is the monitoring system schematic diagram that an embodiment of the present invention provides.
Icon: 100- camera；200- interchanger；210- host exchange；220- is from interchanger；300- hard disk video recorder；
400- transmitter；Transmitter of the 410- based on Digital Image Transmission；420-COFDM transmitter；500- monitor terminal.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
Fig. 1 is the monitoring system schematic diagram that an embodiment of the present invention provides, and Fig. 2 mentions for an embodiment of the present invention
The monitoring system schematic diagram of confession, Fig. 3 are the monitoring system schematic diagram that an embodiment of the present invention provides, and Fig. 4 is that this is practical new
The monitoring system schematic diagram that one embodiment of type provides.
Fig. 1 is please referred to, which includes: multiple cameras 100, interchanger 200, hard disk video recorder 300, transmitter
400 and monitor terminal 500, between multiple cameras 100 and interchanger 200, between interchanger 200 and hard disk video recorder 300 with
And wired connection between hard disk video recorder 300 and transmitter 400, transmitter 400 and monitor terminal 500 are wirelessly connected, each to image
First 100, for monitoring the monitor video for obtaining institute overlay area, monitoring view is sent to hard disk video recorder 300 by interchanger 200
Frequently, hard disk video recorder 300, the monitor video for sending each camera 100 synthesize picture monitor video more than one, and will
More picture monitor videos are sent to transmitter 400, transmitter 400, for more picture monitor videos to be sent to monitor terminal
500, monitor terminal 500, for receiving and showing more picture monitor videos.
Camera 100 is also known as camera computer, computer eye, electronic eyes etc., is a kind of video input apparatus, can be regarded
Real-time video picture in the reached range in angle is included, transmitted and is stored.
Wherein, which can be simulation camera, digital camera or IP Camera.
Interchanger 200 means " switch ", is a kind of network equipment for electric (light) signal forwarding.It can be somebody's turn to do for access
Any two network node or equipment of interchanger 200 provide proprietary pathway for electrical signals, it is thus possible to realize 100 He of camera
Monitor video transmission between hard disk video recorder 300.
Hard disk video recorder 300 is to carry out the computer system of image storage processing, using digital recording to image or
Voice carries out long-time video recording, recording, long-range monitoring and control.Its major function includes: multi-channel image processor function, monitoring function
Energy, recording function, playback function, warning function, control function, network function, password authorization function and working time table function
Deng.
Wherein, hard disk video recorder 300 can be sent camera 100 by interchanger 200 by multi-channel image processor function
Multiple monitor videos synthesize picture monitor video more than one.
Transmitter 400 is the device that can launch signal by certain frequency.Low frequency signal and high frequency can be carried
Wave is modulated, and low frequency signal is become to the electromagnetic wave for having pre-set bandwidths on predeterminated frequency, fitting through antenna transmitting.
Wherein, more picture monitor videos can be modulated by transmitter 400 with high frequency carrier, which is become
For the electromagnetic wave that there are pre-set bandwidths on predeterminated frequency, fit through antenna transmitting.
It should be noted that pre-set bandwidths and predeterminated frequency can be related by being determined in advance to obtain, such as by receiving
Technical staff submits to obtain.
Monitor terminal 500 is the equipment for receiving and showing more picture monitor videos.500 receiver/transmitter 400 of monitor terminal
The electromagnetic wave of transmitting demodulates the electromagnetic wave to obtain more picture monitor videos, shows more picture monitor videos by display.
Wired connection between multiple cameras 100 and interchanger 200 and between interchanger 200 and hard disk video recorder 300,
Each camera 100 sends monitor video to hard disk video recorder 300 by interchanger 200, and hard disk video recorder 300 receives the monitoring
Video is simultaneously synthesized picture monitor video more than one.Due to being also wired company between hard disk video recorder 300 and transmitter 400
It connects, so hard disk video recorder 300 can send more picture monitor videos to transmitter 400, transmitter 400 receives more picture prisons
Control video.Transmitter 400 and monitor terminal 500 are wirelessly connected, more picture monitor videos that transmitter 400 transmits and receives, prison
Control terminal 500 receives more picture monitor videos and shows.
It should be noted that between multiple cameras 100 and interchanger 200, interchanger 200 and hard disk video recorder 300 it
Between, between hard disk video recorder 300 and transmitter 400, wired connection can be carried out by optical cable.
It should also be noted that, being wirelessly connected may include carrier network connection.Certainly, in practical applications, wirelessly
Connection also may include other kinds of wireless connection, for example, bluetooth connection etc..
It should also be noted that, in practical applications, transmitter 400 and monitor terminal 500 can also pass through wired connection
To be communicated.
A kind of monitoring system provided by the utility model embodiment includes: multiple cameras 100, interchanger 200, hard disk
Video recorder 300, transmitter 400 and monitor terminal 500, between multiple cameras 100 and interchanger 200, interchanger 200 and hard disk
Wired connection between video recorder 300, the monitoring of each camera 100 obtain the monitor video of institute overlay area, by interchanger 200 to
Hard disk video recorder 300 sends monitor video, and multiple monitor videos are synthesized the monitoring view of picture more than one by hard disk video recorder 300
Frequently.More picture monitor videos are sent to transmitter 400 by wired connection by hard disk video recorder 300, and transmitter 400 passes through nothing
More picture monitor videos are sent to monitor terminal 500 by line connection, and monitor terminal 500 receives and shows the received more pictures of institute
Face monitor video, to realize monitoring.It being drawn one due to that can be synthesized multiple monitor videos by hard disk video recorder 300 more
Therefore face monitor video only can send more picture monitor videos to monitor terminal 500, a side by a transmitter 400
Face does not need to occupy multiple frequency bands, improves the reliability of transmission, and monitor terminal 500 can reliablely and stablely receive more picture prisons
Control video, improve monitoring effect, on the other hand compared with multiple monitor videos, data volume that more picture monitor videos include compared with
It is few, therefore also reduce monitoring cost.
Preferably, referring to figure 2., in order to effectively reduce the possibility that more picture monitor videos are distorted in transmission process
Property, the accuracy for transmitting more picture monitor videos is improved, transmitter 400 can be the transmitter 410 based on Digital Image Transmission,
Correspondingly, monitor terminal 500 is that the reception based on Digital Image Transmission shows all-in-one machine.
Transmitter 410 based on Digital Image Transmission is the transmitting for being exclusively used in modulating and emitting image information and video information
Machine.It is more more accurate than traditional transmitter 400 for sending for more picture monitor videos.
More picture monitor videos can be modulated by the transmitter 410 based on Digital Image Transmission with high frequency carrier, shape
At the electromagnetic wave of predeterminated frequency and pre-set bandwidths, and emit the electromagnetic wave to aerial.Matchedly, monitor terminal 500 is also
Reception based on Digital Image Transmission shows that all-in-one machine obtains more picture monitor videos so as to demodulate the electromagnetic wave.
It should be noted that in practical applications, transmitter 400 also may not necessarily be the transmitting based on Digital Image Transmission
Machine 410, alternatively, monitor terminal 500 also may not necessarily show all-in-one machine for the reception based on Digital Image Transmission, as long as transmitter
400, which can be realized more picture monitor videos with monitor terminal 500, transmits.
Referring to figure 3., since monitor terminal 500 may be in motion state and be blocked in state, such as railway
Movement or in tunnel or the mountain ridge train, and therefore, in order in the monitor terminal 500 and transmitter 400 of high-speed mobile
Between more accurately transmit more picture monitor videos, more effectively reduce more picture monitor videos and be distorted in transmission process
A possibility that, monitoring effect is further increased, transmitter 400 can be COFDM transmitter 420, correspondingly, monitor terminal 500
Display all-in-one machine is received for COFDM.
COFDM transmitter 420 can be assigned to the lower several sons of transmission rate by high-speed data-flow by serioparallel exchange
It is transmitted in channel.
Wherein, C (Coded, coding) refers to the convolutional encoding mode that channel coding uses encoding rate can be changed, to adapt to difference
The protection requirement of importance data；OFD (Orthogonal Frequency Division, orthogonal frequency) refers to using a large amount of
Carrier wave (subcarrier), they have equal frequency interval, are all the integral multiples of a basic oscillation frequency；M
(Multiplexing, multiplexing) refers to that multichannel data source is distributed on above-mentioned a large amount of carrier waves with being interweaved, and forms a channel.
COFDM transmitter 420 has good diffraction and penetrates the ability of building, inside and outside city, mountainous region, building
Etc. cannot be in environment that is visual and having blocking, COFDM transmitter 420 can realize more picture monitor videos with higher probability
Stablize transmission, is protected from environmental less.COFDM transmitter 420 uses omnidirectional antenna, can set up within the shortest time wireless
Transmission channel, collection terminal and receiving end can also arbitrarily move, and not limited by direction, and structure is simple, reliable, easy to use.
Meanwhile COFDM transmitter 420 is suitable for being wirelessly transferred more picture monitor videos in real time in high-speed mobile, it can be
It is used on the platforms such as vehicle, ship, helicopter.Any attachment device is not needed, so that it may realize transmitter 400 and monitor terminal
More picture monitor videos transmission between 500, is suitably mounted on the mobile platforms such as vehicle, ship, helicopter.Transmission reliability
It is high.
In addition, 420 transmission bandwidth of COFDM transmitter is high, it is suitble to the transmission of video of high image quality, passes through COFDM transmitter 420
More picture monitor videos of transmission, can satisfy analysis, storage that monitor terminal 500 sends out more picture monitor videos in the later period,
Editor etc. is specific to be required.
Finally, COFDM transmitter 420 has excellent interference free performance, have by the electromagnetic wave of its transmitting very strong
Anti-fading ability.
Meanwhile in order to be used cooperatively with COFDM transmitter 420, increase the accuracy of more picture monitor video transmission, monitoring
Terminal 500 also receives display all-in-one machine for COFDM.
It should be noted that transmitter 400 can also be the transmitter based on other Digital Image Transmission technologies, such as
OFDM (Orthogonal Frequency Division Multiplexing, orthogonal frequency division multiplexi) transmitter.
Preferably, it in order to receive more picture monitor videos in mobile equipment, realizes compartmentalization monitoring, further increases
Monitoring effect, monitor terminal 500 are that vehicle-mounted COFDM receives display all-in-one machine.
Vehicle-mounted COFDM, which is received, shows that all-in-one machine can be fixed on automobile or train in equal vehicles, consequently facilitating
It obtains in mobile process based on obtained by the monitor video in the different cameras 100 being wirelessly connected in range (i.e. different zones)
The more picture monitor videos arrived.
Preferably, in order to which multiple monitor videos are synthesized picture monitor video more than one, hard disk video recorder 300 is specifically used
In showing multiple monitor videos into same display screen, and it will show that picture shown in screen is sent to transmitter
400。
Multiple monitor video can be respectively displayed on the different zones of display screen by hard disk video recorder 300, thus
To the picture for including any monitor video in multiple monitor video.
It should be noted that display screen can be divided by hard disk video recorder 300 according to the number of multiple monitor videos
The number region, to show a monitor video respectively in each region.
Referring to figure 4., for more accurately transmitting, monitoring video, proprietary camera 100 and hard disk video recorder 300 are formed
Between pathway for electrical signals while mitigate the connection pressure of hard disk video recorder 300, hard disk video recorder 300 connects as few as possible outer
Portion's equipment, increases more picture transfer efficiencies of hard disk video recorder 300, and interchanger 200 includes: host exchange 210 and multiple from friendship
Change planes 220, it is multiple to be corresponded from interchanger 220 and multiple cameras 100, and wired connection, it is multiple from interchanger 220 with
210 wired connection of host exchange, host exchange 210 and 300 wired connection of hard disk video recorder.
Wired connection can be carried out by cable (such as twisted pair) with corresponding camera 100 from interchanger 220, from friendship
Changing planes 220 can be connect with host exchange 210 by optical cable, and host exchange 210 can pass through cable with hard disk video recorder 300 and connect
It connects.It is multiple to cooperate from interchanger 220 and host exchange 210, better assure that camera 100 and hard disk video recorder 300
Between monitor video transmission accuracy.
Preferably, obscure to effectively reduce the electromagnetic wave for sending more picture monitor videos and the electromagnetic waves of other purposes
Possibility improves the reliability for transmitting more picture monitor videos, and then further increases monitoring effect, transmitter 400 is specific
For being based on predeterminated frequency and pre-set bandwidths, more picture monitor videos being sent to monitor terminal 500 by antenna.
Antenna is a kind of converter, the guided wave propagated on transmission device and transmission line can be transformed into unbounded matchmaker
Be situated between the electromagnetic wave propagated in (usually free space), or carries out opposite transformation, is to be used to emit in wireless device
Or receive the component of electromagnetic wave.
Certainly, monitor terminal 500 also may include antenna.
Preferably, in order to realize the monitoring to Along Railway region, thus realize the operation management in Along Railway region, than
Such as early warning, multiple cameras 100 can prolong railway line distribution.
Wherein, when multiple cameras 100 prolong railway line distribution when, monitor terminal 500 can be set aboard, in order to
Monitoring of the staff to Along Railway region.
Preferably, in order to show monitor terminal 500 more picture videos in each video and corresponding camera 100
It corresponds, and corresponds to specific position, compartmentalization monitoring, further raising monitoring effect is better achieved, it is multiple to take the photograph
As being provided with positioning chip in first 100.
Positioning chip is chip used for positioning, can integrate the built-in circuit for being set to camera 100.
Wherein, positioning chip includes radio frequency chip, baseband chip and microprocessor chip.
Preferably, in order to reduce the interference of Zhou Bianbo, monitor terminal 500 is made to receive more pictures that quality is preferably distorted less
Face monitor video, the frequency for the wave that transmitter 400 emits is between 300MHz~600MHz.
In conclusion the utility model embodiment provides a kind of monitoring system, which includes: multiple cameras
100, interchanger 200, hard disk video recorder 300, transmitter 400 and monitor terminal 500, multiple cameras 100 and interchanger 200 it
Between, wired connection between interchanger 200 and hard disk video recorder 300, each monitoring of camera 100 obtains the monitoring view of institute overlay area
Frequently, monitor video is sent to hard disk video recorder 300 by interchanger 200, hard disk video recorder 300 synthesizes multiple monitor videos
Picture monitor video more than one.More picture monitor videos are sent to transmitter by wired connection by hard disk video recorder 300
400, which is sent to monitor terminal 500 by transmitter 400 by being wirelessly connected, and monitor terminal 500 connects
It receives and shows the received more picture monitor videos of institute, to realize monitoring.Due to can be by hard disk video recorder 300 by multiple prisons
Control Video Composition is picture monitor video more than one, therefore, only can send more picture monitoring views by a transmitter 400
On the one hand frequency does not need to occupy multiple frequency bands, improves the reliability of transmission, monitor terminal 500 can be steady to monitor terminal 500
Surely more picture monitor videos are reliably received, monitoring effect is improved, on the other hand compared with multiple monitor videos, more picture prisons
The data volume that control video includes is less, therefore also reduces monitoring cost.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of monitoring system characterized by comprising multiple cameras, interchanger, hard disk video recorder, transmitter and monitoring
Terminal, between the multiple camera and the interchanger, between the interchanger and the hard disk video recorder and described hard
Wired connection between disk video recorder and the transmitter, the transmitter and the monitor terminal are wirelessly connected；
Each camera is recorded by the interchanger to the hard disk for monitoring the monitor video for obtaining institute overlay area
Camera sends the monitor video；
The hard disk video recorder, the monitor video for sending each camera synthesize the monitoring view of picture more than one
Frequently, and by more picture monitor videos it is sent to the transmitter；
The transmitter, for more picture monitor videos to be sent to the monitor terminal；
The monitor terminal, for receiving and showing more picture monitor videos.
2. monitoring system as described in claim 1, which is characterized in that the transmitter is the transmitting based on Digital Image Transmission
Machine, correspondingly, the monitor terminal is that the reception based on the Digital Image Transmission shows all-in-one machine.
3. monitoring system as claimed in claim 1 or 2, which is characterized in that the transmitter is Coded Orthogonal Frequency Division Multiplexing
COFDM transmitter, correspondingly, the monitor terminal is that COFDM receives display all-in-one machine.
4. monitoring system as claimed in claim 3, which is characterized in that the monitor terminal is that vehicle-mounted COFDM receives display one
Body machine.
5. monitoring system as described in claim 1, which is characterized in that the hard disk video recorder is specifically used for the multiple prison
Control video is shown into same display screen, and picture shown in the display screen is sent to the transmitter.
6. monitoring system as described in claim 1, which is characterized in that the interchanger includes: host exchange and multiple main friendships
It changes planes；
It is the multiple to be corresponded from interchanger and the multiple camera, and wired connection, it is multiple it is described from interchanger with
The host exchange wired connection；
The host exchange and the hard disk video recorder wired connection.
7. monitoring system as described in claim 1, which is characterized in that the transmitter is specifically used for through antenna, based on pre-
If frequency and pre-set bandwidths, more picture monitor videos are sent to the monitor terminal.
8. monitoring system as described in claim 1, which is characterized in that the multiple camera prolongs railway line distribution.
9. monitoring system as claimed in claim 8, which is characterized in that be provided with positioning chip in the multiple camera.
10. monitoring system as described in claim 1, which is characterized in that the frequency of the wave of the transmitter transmitting is in 300MHz
Between~600MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821478439.5U CN208675410U (en) | 2018-09-10 | 2018-09-10 | Monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821478439.5U CN208675410U (en) | 2018-09-10 | 2018-09-10 | Monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401820A (en) * | 2019-08-15 | 2019-11-01 | 北京迈格威科技有限公司 | Multipath video processing method, device, medium and electronic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401820A (en) * | 2019-08-15 | 2019-11-01 | 北京迈格威科技有限公司 | Multipath video processing method, device, medium and electronic equipment |
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