CN202275593U - Circuit for achieving double-circuit video picture in picture function in video monitoring - Google Patents
Circuit for achieving double-circuit video picture in picture function in video monitoring Download PDFInfo
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- CN202275593U CN202275593U CN2011203949621U CN201120394962U CN202275593U CN 202275593 U CN202275593 U CN 202275593U CN 2011203949621 U CN2011203949621 U CN 2011203949621U CN 201120394962 U CN201120394962 U CN 201120394962U CN 202275593 U CN202275593 U CN 202275593U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 14
- 238000012545 processing Methods 0.000 claims abstract description 20
- 230000003321 amplification Effects 0.000 claims abstract description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 5
- 230000006870 function Effects 0.000 claims description 13
- 238000001931 thermography Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000002194 synthesizing effect Effects 0.000 claims description 2
- 238000004088 simulation Methods 0.000 abstract 4
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- 206010045178 Tunnel vision Diseases 0.000 description 2
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- 101100156949 Arabidopsis thaliana XRN4 gene Proteins 0.000 description 1
- 101100215777 Schizosaccharomyces pombe (strain 972 / ATCC 24843) ain1 gene Proteins 0.000 description 1
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Abstract
The utility model discloses a circuit for achieving a double-circuit video picture in picture function in video monitoring, which comprises a video decoding module, a video signal processing module, a video amplification module, a control module and a storage module. The video decoding module is used for enabling two circuits of simulation video signals produced by video equipment to be converted into digital video signals, the video signal processing module is used for collecting and processing the two circuits of the digital video signals and enabling the digital video signals to be converted into required one circuit of synthetic simulation video signal to be output, the video amplification module is used for amplifying the one circuit of synthetic simulation video signal and outputting the synthetic simulation video signal to video display equipment, the control module is used for setting and controlling the video signal processing module, and the storage module is used for assisting the video signal processing module, storing video signal data to be processed and obtaining real-time and smooth video output. The circuit can display two pictures of different channels on a same screen simultaneously, achieve operation of adjusting size and positions of the pictures, principal and subordinate switch and the like, and be widely used in other application needing double-circuit video display.
Description
Technical field
The utility model belongs to field of video monitoring, relates in particular to the circuit that a kind of two-way vision signal realizes two-way video picture-in-picture function.
Background technology
Monopod video camera is a front end watch-dog the most frequently used in the video monitoring system; Bilateral carries the selection that The Cloud Terrace has more provided more video equipment; Bilateral carries that The Cloud Terrace one side can install video camera additional, opposite side can install thermal imaging system additional, and perhaps both sides can install video camera additional.Owing to condition restriction, most bilateral carries The Cloud Terrace and has only the output of one tunnel vision signal, can only connect a monitor, has so just caused the output picture of monitor between the two-path video signal, to switch, and the same time can only be seen one tunnel vision signal.This has just caused operational very burden, also can influence monitoring effect simultaneously, and can't give full play of the advantage of two-path video.If can apply to picture-in-picture function in this situation, one road video is presented in the key frame, another road video is presented at from picture, can freely switch between principal and subordinate's picture, so just can monitor the two-path video signal simultaneously.
The utility model content
The purpose of the utility model is to provide a kind of circuit of realizing two-way video picture-in-picture function, troublesome poeration that brings because of frequent Switch Video signal when being intended to solve the monitoring of two-way video and monitoring leak.
A kind of circuit of in video monitoring, realizing two-way video picture-in-picture function comprises:
A) be used for becoming the two-way analog video conversion of signals that video equipment produces the video decode module of digital video signal;
B) gather the two-way digital video signal of video decode module output, and handle, convert the video signal processing module that one tunnel synthetic analog video signal is exported to;
C) be used for synthesizing the vision signal amplification module that analog video signal amplifies and output to display device to described one the tunnel;
D) control module that video signal processing module is provided with and controls;
E) be connected with described video signal processing module, be used to preserve the memory module of pending video signal data, memory module can obtain smooth in real time video output as the auxiliary video signal processing module.
As preferably, described video equipment is thermal imaging system and video camera.
As preferably, described video display apparatus is display or other display equipment.
Below in conjunction with concrete implementation, the utility model is further specified.
The advantage and the good effect of the utility model are:
The circuit that the utility model provides can show two pictures of different passages simultaneously on a screen, and can realize operations such as the adjustment of picture size position, principal and subordinate's switching, has guaranteed the normal reliable of monitor video output.Have characteristics reasonable in design, safe and reliable, widely used.In addition, the utlity model has simple in structurely, versatile and flexible, can be widely used in other needs in application that the two-way video shows.
Description of drawings
Fig. 1 is the structured flowchart that the two-way vision signal that provides of the utility model realizes the picture-in-picture function circuit;
Fig. 2 is the circuit diagram that the two-way vision signal that provides of the utility model realizes the picture-in-picture function circuit.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Fig. 1 shows a kind of structural representation of realizing the circuit of two-way video picture-in-picture function that the utility model embodiment provides.For the ease of explanation, only show the part relevant with the utility model.
A kind of circuit of in video monitoring, realizing two-way video picture-in-picture function comprises:
A) be used for becoming the two-way analog video conversion of signals that video equipment produces the video decode module of digital video signal, the decoding chip NVP1000A that specifically selects for use NEXTCHIP company to produce in the present embodiment; And video equipment is infrared thermography and video camera.
B) gather the two-way digital video signal of video decode module output, and handle, convert the video signal processing module that one tunnel synthetic analog video signal is exported to; Specifically select the video frequency processing chip NVC1001 of NEXTCHIP company in the present embodiment for use.
C) be used for one tunnel synthetic analog video signal is amplified and outputs to the vision signal amplification module of display device, specifically select the MAX4090 of MAXIM company in the present embodiment for use, and display device be general display.
D) control module that video signal processing module is provided with and controls; The DsPIC30F6010A single-chip microcomputer of specifically selecting for use MICROCHIP company to produce in the present embodiment.
E) be connected with video signal processing module, be used to preserve the memory module of pending video signal data, specifically select 16M SDRAM in the present embodiment for use, memory module can obtain smooth in real time video output as the auxiliary video signal processing module.
Referring to Fig. 2; During the practical implementation of this enforcement circuit; At first will insert AIN1, the AIN2 pin of video decoding chip NVP1000A (U3) from the two-way analog video signal that infrared thermography and video camera are drawn respectively; Through obtaining 8 bit digital vision signals behind chip internal A/D conversion, filtering, decoding and the calibration circuit; Output to VIN_01 (0～7) and VIN_02 (0～7) pin of video frequency processing chip NVC1001 (U2) simultaneously through DOUT (0～7) pin; The VCLK1 of video decoding chip NVP1000A (U3) and VCLK2 are connected to CLK_01 and the CLK_02 pin of video frequency processing chip NVC1001 (U2), and the vision signal process chip is exported in the independent timesharing of controlling two paths of signals through the two divided-frequency clock signal of 54M at last.NVP1000A (U3) carries out exchanges data through iic bus and single-chip microcomputer DsPIC30F6010A (U1).
Vision signal process chip NVC1001 (U2) carries out exchanges data with four parts.8 bit digital vision signals by the output of video decode circuit insert VIN_01 and VIN_02 simultaneously, and control the input gating by CLK_01 and CLK_02 clock signal; 8 data lines link to each other with the RD mouth of single-chip microcomputer DsPIC30F6010A (U1) through MAD [7:0], realize initialization, setting and the reading and writing data of register; The interface pin M-AD of monitor group (0～12), M-DQ (0～15), CLK54O directly link to each other with the corresponding pin A of SDRAM (U4) (0～12), DQ (0～15), the CLK of 16M, carry out the exchange of data; The synthetic composite video signal that obtains at last can be input to display device (U6) after video drive chip MAX4090 (U5) amplifies.
The circuit that the utility model provides can be realized picture-in-picture function when the two-way video shows, the frequent shortcoming of switching when eliminating the two-way video monitoring.Guarantee the normal reliable of monitor video output, had characteristics reasonable in design, safe and reliable, widely used.In addition, the utlity model has simple in structurely, versatile and flexible, can be widely used in other needs in application that the two-way video shows.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (3)
1. a circuit of in video monitoring, realizing two-way video picture-in-picture function is characterized in that, comprising:
A) be used for becoming the two-way analog video conversion of signals that video equipment produces the video decode module of digital video signal;
B) gather the two-way digital video signal of video decode module output, and handle, convert the video signal processing module that one tunnel synthetic analog video signal is exported to;
C) be used for synthesizing the vision signal amplification module that analog video signal amplifies and output to display device to described one the tunnel;
D) control module that video signal processing module is provided with and controls;
E) be connected with described video signal processing module, be used to preserve the memory module of pending video signal data, memory module can obtain smooth in real time video output as the auxiliary video signal processing module.
2. the circuit of in video monitoring, realizing two-way video picture-in-picture function as claimed in claim 1 is characterized in that described video equipment is thermal imaging system and video camera.
3. the circuit of in video monitoring, realizing two-way video picture-in-picture function as claimed in claim 2 is characterized in that described video display apparatus is a display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203949621U CN202275593U (en) | 2011-10-17 | 2011-10-17 | Circuit for achieving double-circuit video picture in picture function in video monitoring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203949621U CN202275593U (en) | 2011-10-17 | 2011-10-17 | Circuit for achieving double-circuit video picture in picture function in video monitoring |
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| CN202275593U true CN202275593U (en) | 2012-06-13 |
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| CN2011203949621U Expired - Fee Related CN202275593U (en) | 2011-10-17 | 2011-10-17 | Circuit for achieving double-circuit video picture in picture function in video monitoring |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103095997A (en) * | 2013-02-25 | 2013-05-08 | 袁琦睦 | Real-time picture-in-picture generating method based on field programmable gate array (FPGA) and device thereof |
| CN107580228A (en) * | 2017-09-15 | 2018-01-12 | 赵立峰 | A kind of monitor video processing method, device and equipment |
| CN108574655A (en) * | 2017-03-07 | 2018-09-25 | 北京视联动力国际信息技术有限公司 | A kind of meeting prison broadcasting method and device |
-
2011
- 2011-10-17 CN CN2011203949621U patent/CN202275593U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103095997A (en) * | 2013-02-25 | 2013-05-08 | 袁琦睦 | Real-time picture-in-picture generating method based on field programmable gate array (FPGA) and device thereof |
| CN103095997B (en) * | 2013-02-25 | 2015-07-08 | 袁琦睦 | Real-time picture-in-picture generating method based on field programmable gate array (FPGA) and device thereof |
| CN108574655A (en) * | 2017-03-07 | 2018-09-25 | 北京视联动力国际信息技术有限公司 | A kind of meeting prison broadcasting method and device |
| CN107580228A (en) * | 2017-09-15 | 2018-01-12 | 赵立峰 | A kind of monitor video processing method, device and equipment |
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| C14 | Grant of patent or utility model | ||
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Denomination of utility model: Circuit for achieving double-circuit video picture in picture function in video monitoring Effective date of registration: 20130822 Granted publication date: 20120613 Pledgee: Bank of Shanghai Limited by Share Ltd Tianjin branch Pledgor: Tianjin Yaan Technology Co., Ltd. Registration number: 2013120000027 |
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| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 300384 in Tianjin Binhai Huayuan Industrial Zone (outer ring) eight Haitai Huake Road No. 6 Patentee after: TIANJIN YAAN TECHNOLOGY CO., LTD. Address before: Ziyuan road 300384 Tianjin Huayuan Industrial Park No. 8 Patentee before: Tianjin Yaan Technology Co., Ltd. |
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Effective date of registration: 20200120 Granted publication date: 20120613 |
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Date of cancellation: 20211017 Granted publication date: 20120613 |
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| CF01 | Termination of patent right due to non-payment of annual fee |