CN111491142A - Wireless microwave remote video monitoring transmission system - Google Patents
Wireless microwave remote video monitoring transmission system Download PDFInfo
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- CN111491142A CN111491142A CN202010450914.3A CN202010450914A CN111491142A CN 111491142 A CN111491142 A CN 111491142A CN 202010450914 A CN202010450914 A CN 202010450914A CN 111491142 A CN111491142 A CN 111491142A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
Abstract
The invention discloses a wireless microwave remote video monitoring transmission system, which comprises an audio and video acquisition device, wherein the audio and video acquisition device is connected with a pre-processing module integration through signals, the pre-processing module integration is connected with a wireless transmitter through signals, the output end of the wireless transmitter is connected with a wireless receiver through signals, the wireless receiver is connected with a post-processing module integration through signals, and the post-processing module integration is connected with a monitoring display terminal through signals; the local database is in signal connection with a prediction module, and the prediction module is in signal connection with an early warning module; the cloud database is in signal connection with the analysis module, and the analysis module is respectively in signal connection with the alarm module, the statistics module and the extraction module. The invention provides a wireless microwave remote video monitoring transmission system, which can predict and early warn abnormal states possibly occurring, alarm, frequency statistics and audio-video extraction are carried out on abnormal behaviors occurring, the functions are centralized, and the wireless microwave remote video monitoring transmission system is very worthy of popularization.
Description
Technical Field
The invention relates to the technical field of video transmission, in particular to a wireless microwave remote video monitoring transmission system.
Background
In the prior art, an analog high definition video transmission system with application number "201511016222.3" is mainly embedded in a digital signal in the analog high definition video system, and utilizes the unused line/field blanking and the idle time/frequency space for transmission, so that the system can be made to be compatible downward. Meanwhile, the digital channel estimation technology is used, the amplitude-frequency and phase-frequency responses of the coaxial cable/twisted-pair cable channel can be accurately estimated, compared with the prior art that the channel response can be estimated only according to the amplitude-frequency response of a small number of frequency points of the measurement channel, the channel estimation precision provided by the method is remarkably improved, and therefore the adaptability to different channels, particularly poor cables, is improved.
However, the method still has the obvious defects in the using process: 1. the device has a single function, can only transmit videos, cannot perform prediction analysis on the videos in the transmission process, and cannot perform early warning on possible abnormal behaviors in a shooting area; 2. after the device transmits the video information to the receiving end, the device cannot alarm the abnormal behavior, cannot count the abnormal times, cannot extract the audio and video clips with the abnormal behavior, has slow reaction and potential safety hazard, and is time-consuming and labor-consuming in later playback search; 3. when the shooting of the audio and video information acquisition device is not clear or the reception of the audio and video information acquisition device is not clear, the device cannot judge and remind in time, so that the device depends on regular inspection of workers to a great extent in use and cannot process in time, and the stable and effective operation of video monitoring is influenced.
Disclosure of Invention
The present invention is directed to a wireless microwave remote video monitoring and transmitting system, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a wireless microwave remote video monitoring transmission system comprises an audio and video acquisition device, wherein the audio and video acquisition device is in signal connection with a pre-processing module integration, the pre-processing module integration is in signal connection with a wireless transmitter, an output end of the wireless transmitter is in signal connection with a wireless receiver, the wireless receiver is in signal connection with a post-processing module integration, and the post-processing module integration is in signal connection with a monitoring display terminal;
the audio and video acquisition device comprises a camera and a microphone;
the pre-processing module assembly comprises an encoder, the encoder is connected with a modulation unit through signals, the modulation unit is connected with a voice noise reduction processing module through signals, the voice noise reduction processing module is used for filtering and eliminating environmental noise, the voice noise reduction processing module is connected with a power amplifier through signals, the power amplifier is used for amplifying collected audio and video signals, the power amplifier is connected with a local database through signals, the local database is connected with a prediction module through signals, the prediction module is used for judging the development trend of the current condition, the prediction module is connected with an early warning module through signals, and the early warning module is used for giving advance warning to accidents in a monitored area;
the post-processing module integration includes the demodulation unit, demodulation unit signal connection is in the decoder, the decoder is used for translating received audio and video information, decoder signal connection is in high in the clouds database, the high in the clouds database is used for saving historical data, high in the clouds database signal connection is in analysis module, analysis module is arranged in comparing the historical data in received new message and the high in the clouds database and judges, last signal connection has alarm module, statistics module and the extraction module respectively of analysis module, and when the new message of receiving is not conform to the normal value in the historical data, alarm module starts and is used for reminding relevant personnel to pay attention to, statistics module is used for counting the frequency of occurrence of abnormal situation, the extraction module is used for extracting the audio and video fragment that takes place abnormal behavior.
Preferably, the input end of the wireless transmitter is in signal connection with a positioning module for positioning a remote monitoring area.
Preferably, the monitoring display terminal comprises a mobile device and a fixed PC device.
Preferably, the modulation unit is in signal connection with the first processor, the first processor is in signal connection with the camera damage reminding module, and when the first processor detects that the video information is lower than the predetermined resolution, the first processor controls the camera damage reminding module to be started for reminding that the camera assembly of the camera is damaged.
Preferably, the modulation unit is in signal connection with the second processor, the second processor is in signal connection with the microphone damage reminding module, and when the second processor detects that the audio information is lower than the predetermined bit rate standard, the microphone damage reminding module is controlled to be started to remind that the sound receiving component of the microphone is damaged.
Compared with the prior art, the invention has the beneficial effects that:
1. the device is provided with a local database, a prediction module and an early warning module, and can compare and analyze the acquired audio and video information in time by taking the local database as a reference, judge the development trend of a possible abnormal state of a shooting area through the prediction module and warn in advance through the early warning module when a dangerous case is about to occur;
2. the device is provided with a cloud database, an analysis module, an alarm module, a statistical module and an extraction module, wherein all historical data are stored in the cloud database, the analysis module compares and analyzes new information with the historical data, when the received new information does not accord with a normal value in the historical data, the alarm module is started to remind relevant personnel of paying attention, the statistical module is used for counting the occurrence frequency of abnormal conditions, processing measures are convenient to take, and the extraction module can automatically extract audio and video clips with abnormal behaviors, so that the later playback and search time of workers is saved, and the device is more efficient;
3. still be provided with first treater, camera damage in this device and remind module, second treater and microphone damage and remind the module, when the video recording definition of camera or the radio reception definition of microphone descend, because these do not damage completely, consequently hardly judge directly perceivedly whether it breaks down, can carry out analysis processes through above-mentioned structure this moment, warn through reminding the module, avoid influencing monitoring quality because audio and video definition is not enough.
The invention provides a wireless microwave remote video monitoring transmission system, which can predict and early warn abnormal states possibly occurring, alarm, frequency statistics and audio-video extraction are carried out on abnormal behaviors occurring, the functions are centralized, the use is convenient, and the system is very worthy of popularization.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
fig. 2 is a structural diagram of the composition of the audio/video acquisition device of the present invention;
FIG. 3 is a detailed block diagram of the pre-processing module integration of the present invention;
FIG. 4 is a detailed block diagram of the post-processing module integration of the present invention;
fig. 5 is a structural diagram of the monitoring display terminal according to the present invention.
In the figure: 1 audio and video acquisition device, 101 camera, 102 microphone, 2 pre-processing module integration, 201 encoder, 202 modulation unit, 203 first processor, 204 camera damage reminding module, 205 second processor, 206 microphone damage reminding module, 207 voice noise reduction processing module, 208 power amplifier, 209 local database, 210 prediction module, 211 early warning module, 3 wireless transmitter, 4 positioning module, 5 wireless receiver, 6 post-processing module integration, 601 demodulation unit, 602 decoder, 603 cloud database, 604 analysis module, 605 alarm module, 606 statistic module, 607 extraction module, 7 monitoring display terminal, 701 mobile device, 702 fixed PC device
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
the utility model provides a long-range video monitoring transmission system of wireless microwave, includes audio and video collection system 1, and audio and video collection system 1 signal connection is in the integrated 2 of pretreatment module, and the integrated 2 signal connection of pretreatment module is in wireless transmitter 3, and wireless transmitter 3's output end signal connection is in wireless receiver 5, and wireless receiver 5 signal connection is in the integration 6 of post-processing module, and the integrated 6 signal connection of post-processing module is in control display terminal 7.
The audio and video acquisition device 1 comprises a camera 101 and a microphone 102, and the camera 101 and the microphone 102 belong to common equipment and are not described in detail herein.
The preprocessing module assembly 2 comprises an encoder 201, the encoder 201 compiles and converts signals or data into signal forms which can be used for communication, transmission and storage, the encoder 201 is in signal connection with a modulation unit 202, the modulation unit 202 is in signal connection with a voice noise reduction processing module 207, the voice noise reduction processing module 207 is used for filtering and eliminating ambient noise, the voice noise reduction processing module 207 is in signal connection with a power amplifier 208, the power amplifier 208 is used for amplifying collected audio and video signals, the power amplifier 208 is in signal connection with a local database 209, and the setting of the local database 209 has the advantages that compared with a mode compared with cloud data, the response time of a subsequent prediction module 210 can be saved, the problems of jamming and delay caused by unsmooth wireless communication are avoided, the local database 209 is in signal connection with the prediction module 210, and under a model based on big data, the prediction module 210 is used for judging the development trend of the current situation, the prediction module 210 is connected to the early warning module 211 through signals, and the early warning module 211 is used for warning accidents in the monitored area in advance to prevent the accidents in the bud.
The post-processing module assembly 6 comprises a demodulation unit 601, the demodulation unit 601 is connected with a decoder 602 through signals, the decoder 602 is used for translating received audio and video information, the decoder 602 is connected with a cloud database 603 through signals, the cloud database 603 is used for storing historical data, the reserve capacity of the historical data is larger, the cloud database 603 is connected with an analysis module 604 through signals, the analysis module 604 can adopt a USBCAN-I Pro model of GCAN brand or other suitable equipment, the analysis module 604 is used for comparing and judging the received new information with the historical data in the cloud database 603, the analysis module 604 is respectively connected with an alarm module 605, a statistic module 606 and an extraction module 607 through signals, when the received new information does not accord with the normal value in the historical data, the alarm module 605 is started to remind relevant personnel of paying attention, and the statistic module 606 is used for counting the occurrence frequency of abnormal conditions, corresponding measures can be taken according to the occurrence frequency, and the extraction module 607 is used for extracting the audio and video clips with abnormal behaviors, so that the playback and search time is saved, and the later-stage tracing is facilitated.
As a preferred option, the input end of the wireless transmitter 3 is connected with a positioning module 4 for positioning the remote monitoring area, so as to quickly know the accurate position information.
Preferably, the monitoring display terminal 7 includes a mobile device 701 and a stationary PC device 702. The mobile device 701 includes a mobile phone, a tablet, and the like, and the fixed PC device 702 includes a workstation computer, and the like.
Preferably, the modulation unit 202 is in signal connection with the first processor 203, the first processor 203 has a function of comparison and analysis, and may adopt model S3C2451XH-53 of junya brand or other suitable devices, the first processor 203 is in signal connection with the camera damage reminding module 204, and when the first processor 203 detects that the video information is lower than the predetermined resolution, the camera damage reminding module 204 is controlled to start up to remind that the camera component of the camera 101 is damaged, and the camera component can be replaced in time, so as to avoid the problems that the monitoring effect is poor and the later tracing is fuzzy and difficult to distinguish due to unclear video shot by the camera 101.
Preferably, the modulation unit 202 is in signal connection with the second processor 205, the second processor 205 also has a function of comparison and analysis, and may adopt model S3C2451XH-53 of junya brand or other suitable devices, the second processor 205 is in signal connection with the microphone damage reminding module 206, and when the second processor 205 detects that the audio information is lower than the predetermined bit rate standard, the microphone damage reminding module 206 is controlled to start up to remind that the sound receiving component of the microphone 102 is damaged, so as to facilitate timely replacement, and avoid the problem that important audio is difficult to effectively hear in the later playback due to the relatively large noise in the sound receiving component of the microphone 102.
The working principle is as follows: when the device works, a camera 101 and a microphone 102 in an audio and video acquisition device 1 respectively acquire video and audio information, and then the acquired information is sent to a preprocessing module integration 2, specifically, an encoder 201 firstly compiles and converts signals or data into a signal form which can be used for communication, transmission and storage, and then sends the signal form to a modulation unit 202 for further processing and audio and video synthesis, then a voice noise reduction processing module 207 filters and eliminates environmental noise, a power amplifier 208 amplifies the acquired audio and video signals, the amplified signals are compared with historical data in a local database 209 for analysis, a prediction module 210 judges the development trend of the current condition based on a big data model, when the prediction trend deviates from a normal range, an early warning module 211 is started to warn accidents in a monitored area in advance, the method has the advantages that the local database 209 is arranged, compared with a cloud data method, the response time of the subsequent prediction module 210 can be saved, and the problems of blockage and delay caused by unsmooth wireless communication are avoided;
then, the processed signal is transmitted to the wireless receiver 5 through the wireless transmitter 3, after receiving the signal, the signal enters the post-processing module integration 6, specifically, the demodulation unit 601 is in signal connection with the decoder 602, the decoder 602 is configured to translate the received audio/video information, the translated information is compared with the cloud database 603, the cloud database 603 stores a large amount of historical data, the analysis module 604 compares and judges the received new information with the historical data in the cloud database 603, when the received new information does not conform to the normal value in the historical data, the alarm module 605 starts to remind relevant personnel to pay attention, the statistics module 606 is configured to count the occurrence frequency of an abnormal condition, and can take countermeasures according to the occurrence frequency in a targeted manner, and the extraction module 607 is configured to extract the audio/video segment with the abnormal behavior, the time of playback and search is saved, and the later period tracing is facilitated.
In addition, during the working period, the modulation unit 202 is in signal connection with the first processor 203, the first processor 203 has a comparison and analysis function, and when the first processor 203 detects that the video information is lower than the predetermined resolution, the camera damage reminding module 204 is controlled to be started for reminding that the camera component of the camera 101 is damaged, so that the camera can be replaced in time, and the problems that the monitoring effect is poor and the tracing back is fuzzy and difficult to distinguish due to the fact that the video shot by the camera 101 is not clear are avoided; the modulation unit 202 is also in signal connection with the second processor 205, the second processor 205 also has a function of comparison and analysis, when the second processor 205 detects that the audio information is lower than the predetermined bit rate standard, the microphone damage reminding module 206 is controlled to start up to remind that the sound receiving component of the microphone 102 is damaged, so that the microphone is convenient to replace in time, and the problem that important audio is difficult to effectively hear in later playback due to large noise in the sound receiving component of the microphone 102 is avoided, so that the functions are centralized and the use is convenient.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a wireless microwave remote video monitoring transmission system, includes audio frequency and video collection system (1), its characterized in that: the audio and video acquisition device (1) is in signal connection with the pre-processing module assembly (2), the pre-processing module assembly (2) is in signal connection with the wireless transmitter (3), the output end of the wireless transmitter (3) is in signal connection with the wireless receiver (5), the wireless receiver (5) is in signal connection with the post-processing module assembly (6), and the post-processing module assembly (6) is in signal connection with the monitoring display terminal (7);
the audio and video acquisition device (1) comprises a camera (101) and a microphone (102);
the preprocessing module assembly (2) comprises an encoder (201), the encoder (201) is connected with a modulation unit (202) through signals, the modulation unit (202) is connected with a voice noise reduction processing module (207) through signals, the voice noise reduction processing module (207) is used for filtering and eliminating ambient noise, the voice noise reduction processing module (207) is connected with a power amplifier (208) through signals, the power amplifier (208) is used for amplifying the collected audio and video signals, the power amplifier (208) is connected with a local database (209) through signals, the local database (209) is in signal connection with a prediction module (210), the prediction module (210) is used for judging the development trend of the current condition, the prediction module (210) is in signal connection with an early warning module (211), and the early warning module (211) is used for warning accidents in a monitoring area in advance;
the post-processing module assembly (6) comprises a demodulation unit (601), the demodulation unit (601) is connected with a decoder (602) in a signal mode, the decoder (602) is used for translating received audio and video information, the decoder (602) is connected with a cloud database (603) in a signal mode, the cloud database (603) is used for storing historical data, the cloud database (603) is connected with an analysis module (604) in a signal mode, the analysis module (604) is used for comparing and judging received new information and the historical data in the cloud database (603), the analysis module (604) is respectively connected with an alarm module (605), a statistical module (606) and an extraction module (607) in a signal mode, and when the received new information does not accord with a normal value in the historical data, the alarm module (605) starts to remind related personnel of paying attention, the statistic module (606) is used for counting the occurrence frequency of abnormal conditions, and the extraction module (607) is used for extracting audio and video clips with abnormal behaviors.
2. The wireless microwave remote video surveillance transmission system according to claim 1, characterized in that: the input end signal of the wireless transmitter (3) is connected with a positioning module (4) for positioning a remote monitoring area.
3. The wireless microwave remote video surveillance transmission system according to claim 1, characterized in that: the monitoring display terminal (7) comprises a mobile device (701) and a fixed PC device (702).
4. The wireless microwave remote video surveillance transmission system according to claim 1, characterized in that: the modulation unit (202) is in signal connection with the first processor (203), the first processor (203) is in signal connection with the camera damage reminding module (204), and when the first processor (203) detects that the video information is lower than the preset resolution ratio, the camera damage reminding module (204) is controlled to be started for reminding that the camera assembly of the camera (101) is damaged.
5. The wireless microwave remote video surveillance transmission system according to claim 1, characterized in that: the modulation unit (202) is in signal connection with the second processor (205), the second processor (205) is in signal connection with the microphone damage reminding module (206), and when the second processor (205) detects that the audio information is lower than the predetermined bit rate standard, the microphone damage reminding module (206) is controlled to be started for reminding that the sound reception component of the microphone (102) is damaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010450914.3A CN111491142A (en) | 2020-05-25 | 2020-05-25 | Wireless microwave remote video monitoring transmission system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010450914.3A CN111491142A (en) | 2020-05-25 | 2020-05-25 | Wireless microwave remote video monitoring transmission system |
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| CN111491142A true CN111491142A (en) | 2020-08-04 |
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| CN202010450914.3A Pending CN111491142A (en) | 2020-05-25 | 2020-05-25 | Wireless microwave remote video monitoring transmission system |
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- 2020-05-25 CN CN202010450914.3A patent/CN111491142A/en active Pending
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