CN2702561Y - A cable TV signal real-time monitor - Google Patents
A cable TV signal real-time monitor Download PDFInfo
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- CN2702561Y CN2702561Y CN 200420052078 CN200420052078U CN2702561Y CN 2702561 Y CN2702561 Y CN 2702561Y CN 200420052078 CN200420052078 CN 200420052078 CN 200420052078 U CN200420052078 U CN 200420052078U CN 2702561 Y CN2702561 Y CN 2702561Y
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- 238000012806 monitoring device Methods 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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Abstract
The utility model provides a cable TV signal real-time monitor belonging to the field of electronic and communication technology comprising a signal demodulator, a signal collecting module, a microcomputer, a display, a printer, a loudspeaker and a short message module. The utility model can simultaneously monitor any 16 television channels and pictures in the range of the whole television channels and conduct real-time monitoring to the audio and video signal by the display of the common microcomputer. When the signal breaking time is longer than the defined time, the monitor can immediately alarm and automatically deposit the fault information into the data bank and also can send the alarming information to the mobile phone of the assigned people in the form of short message. The fault information deposited in the data bank can be stored for a long time and enquired or printed according to the requirements.
Description
(1) technical field
The utility model belongs to electronics and communication technical field, particularly relates to a kind of cable TV signal monitoring device that uses microcomputer that cable TV signal is monitored in real time.
(2) background technology
" tv screen wall " generally adopted in the TV signal of TV station monitoring at present, show television image in real time, but can not monitor audio signal, when breaking down, signal can not report to the police automatically, fault message can not be preserved automatically, the equipment needed thereby investment is many, the operation and maintenance cost height, and the occupied ground area is big; " based on the cable TV signal monitoring system of isa bus " that " Chinese cable TV " the 8th phase in 2003 delivers, a kind of cable TV signal monitoring system is proposed, though can monitor automatically the picture-and-sound signal, real-time is poor, can not carry out real time monitoring to television image.In recent years, the development of China cable TV presses for automaticity height, volume is little, performance is good cable TV signal real-time monitoring device rapidly.
(3) summary of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of automaticity height, volume is little, performance good, cost is low cable TV signal real-time monitoring device are provided.
The utility model is realized in the following manner:
A kind of cable TV signal real-time monitoring device comprises demodulator of PM signal PM, signal acquisition module, microcomputer, display, printer, loud speaker and SMS module; Its key technology is that the input of demodulator of PM signal PM connects a cable of cable TV, 16 road Voice ﹠ Videos output of demodulator of PM signal PM links to each other with signal acquisition module, signal acquisition module links to each other with the pci interface of microcomputer, a serial port of microcomputer links to each other with SMS module, and another serial port links to each other with demodulator of PM signal PM; Demodulator of PM signal PM is made up of splitter, single-chip microcomputer, tuner, keyboard, level translator, serial storage and LCD, wherein a part of pin of single-chip microcomputer links to each other with keyboard, level translator, serial storage and LCD, another part pin links to each other with tuner, the rf inputs of tuner links to each other with the output of splitter, and the input of splitter connects a cable of cable TV.
The utility model can show the television image that 16 TV stations of any appointment broadcast in the full television channel scope in real time on the display of common computer, and signal is monitored in real time; When the signal interruption time surpasses specified thresholds, send the sound and light alarm signal by loud speaker and display immediately, and deposit fault message in database automatically, also can by GSM network send to designated person's mobile phone on the form of note warning message; The fault message that deposits in the database can long preservation, can also inquire about or print with multiple mode when needing.This device interface has the Windows style, and is easy to operate, with low cost, can insert cable television network anywhere, without any influence, is a kind of desirable cable TV signal monitoring equipment to the signal of cable television network.
(4) description of drawings
Fig. 1 is a structural representation block diagram of the present utility model, and among the figure: 1 is cable of cable TV; 2 is demodulator of PM signal PM; 3 is signal acquisition module; 4 is microcomputer; 5 is display; 6 is printer; 7 is loud speaker; 8 is SMS module.
Fig. 2 is the signal demodulator circuit theory diagram, and among the figure: 9 is splitter; 10 is single-chip microcomputer; 11-26 is a tuner; 27 is keyboard; 28 is level translator; 29 is serial storage; 30 is LCD.
(5) embodiment
Provide a most preferred embodiment of the present utility model below in conjunction with accompanying drawing.
In Fig. 1, signal acquisition module 3 is made up of 4 DH-QP300 capture cards, and it is a kind of video frequency collection card based on PCI, can gather four road Voice ﹠ Video signals simultaneously, and support " one-telephone multi-card ", supports PAL and TSC-system formula; Microcomputer 4 is selected Kaitian of association 4600 for use; Display 5 is selected LXB1-F1709 for use; Printer 6 is selected HP6L for use; Loud speaker 7 is selected HS-06002 for use; SMS module 8 is selected GSM MODEM for use; Demodulator of PM signal PM 1 uses 1-16 road TV signal demodulating equipment, its internal circuit theory diagram as shown in Figure 2, wherein splitter 9 is selected the 1-16 splitter for use; Single-chip microcomputer 10 is selected AT89C52 for use; Tuner 11-26 selects 16 FI1256 MK2 for use; Keyboard 27 is selected 3 * 4 common single-chip microcomputer keyboards for use; Level translator 28 is selected MAX232 for use; Serial storage 29 is selected AT24C04 for use; LCD 30 is selected EDM1602A for use.
Operation principle of the present utility model is: demodulator of PM signal PM 2 demodulates the analogue audio frequency and the vision signal of 16 designated television channels simultaneously from the radiofrequency signal of one road cable of cable TV, 1 input, analogue audio frequency and video frequency conversion of signals that signal acquisition module 3 is sent signal demodulation module 2 here are digital audio-video signal, and deposit the memory of computer in, microcomputer 4 carry out relevant procedures to digitlization audio-video signal detect in real time, processing such as the storage of split screen demonstration, failure diagnosis, fault alarm and fault message and printing; In demodulator of PM signal PM 2, road radiofrequency signal in the cable of cable TV 1 becomes 16 the tunnel through splitter 9, be added to the input of tuner 11-26 respectively, when single-chip microcomputer 10 is received the order of sending here from keyboard 27 or microcomputer 4, from serial storage 29, read relevant data, executive control program, finish control to tuner 11-26, make tuner 11-26 export the Voice ﹠ Video signal of 16 designated television channels respectively, the level conversion that level translator 28 is realized between single-chip microcomputer 10 and microcomputer 4 serial ports, LCD 30 is responsible for the operating state and the tuning process of shows signal demodulator 2.
The utility model can be used for the real-time monitoring of cable TV signal, and wherein demodulator 2 also can be used as the headend equipment of television image synthesis system.
Claims (2)
1, a kind of cable TV signal real-time monitoring device, comprise demodulator of PM signal PM, signal acquisition module, microcomputer, display, printer, loud speaker and SMS module, the input that it is characterized in that demodulator of PM signal PM connects a cable of cable TV, 16 road Voice ﹠ Videos output of demodulator of PM signal PM links to each other with signal acquisition module, signal acquisition module links to each other with the pci interface of microcomputer, a serial port of microcomputer links to each other with SMS module, and another serial port links to each other with demodulator of PM signal PM.
2, a kind of cable TV signal real-time monitoring device according to claim 1 is characterized in that demodulator of PM signal PM is made up of splitter, single-chip microcomputer, tuner, keyboard, level translator, serial storage and LCD; A part of pin of single-chip microcomputer links to each other with keyboard, level translator, serial storage and LCD, and another part pin links to each other with tuner, and the rf inputs of tuner links to each other with the output of splitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420052078 CN2702561Y (en) | 2004-07-06 | 2004-07-06 | A cable TV signal real-time monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420052078 CN2702561Y (en) | 2004-07-06 | 2004-07-06 | A cable TV signal real-time monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2702561Y true CN2702561Y (en) | 2005-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420052078 Expired - Fee Related CN2702561Y (en) | 2004-07-06 | 2004-07-06 | A cable TV signal real-time monitor |
Country Status (1)
| Country | Link |
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| CN (1) | CN2702561Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101355754B (en) * | 2008-09-04 | 2011-08-17 | 北京创毅视讯科技有限公司 | Mobile phone and method thereof |
| CN101534430B (en) * | 2008-03-12 | 2012-09-26 | 中兴通讯股份有限公司 | Method for handling abnormal situations in playing of mobile TV and mobile terminal |
| CN102790904A (en) * | 2012-08-14 | 2012-11-21 | 合肥鹏翔软件科技有限公司 | Integrated multi-picture digital video monitoring method and system |
| CN102523548B (en) * | 2006-08-18 | 2015-11-25 | 德尔菲技术公司 | For the method for the lightweight audio system of vehicle application |
| CN111565313A (en) * | 2020-07-15 | 2020-08-21 | 北京九州集诚创新技术有限公司 | Automatic monitoring system for broadcast television signals |
-
2004
- 2004-07-06 CN CN 200420052078 patent/CN2702561Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102523548B (en) * | 2006-08-18 | 2015-11-25 | 德尔菲技术公司 | For the method for the lightweight audio system of vehicle application |
| CN101534430B (en) * | 2008-03-12 | 2012-09-26 | 中兴通讯股份有限公司 | Method for handling abnormal situations in playing of mobile TV and mobile terminal |
| CN101355754B (en) * | 2008-09-04 | 2011-08-17 | 北京创毅视讯科技有限公司 | Mobile phone and method thereof |
| CN102790904A (en) * | 2012-08-14 | 2012-11-21 | 合肥鹏翔软件科技有限公司 | Integrated multi-picture digital video monitoring method and system |
| CN111565313A (en) * | 2020-07-15 | 2020-08-21 | 北京九州集诚创新技术有限公司 | Automatic monitoring system for broadcast television signals |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Patentee address after: 250061, No. ten, No. 73, Ji'nan, Shandong Patentee address before: 250100 No. 27 South Grand Road, Lixia District, Shandong, Ji'nan |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |