CN102449939B - Converged broadcasting and communication system for schools - Google Patents
Converged broadcasting and communication system for schools Download PDFInfo
- Publication number
- CN102449939B CN102449939B CN201080024160.XA CN201080024160A CN102449939B CN 102449939 B CN102449939 B CN 102449939B CN 201080024160 A CN201080024160 A CN 201080024160A CN 102449939 B CN102449939 B CN 102449939B
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- China
- Prior art keywords
- broadcast
- communication
- signal
- temperature
- broadcasting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/12—Arrangements for observation, testing or troubleshooting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/69—Optical systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/28—Arrangements for simultaneous broadcast of plural pieces of information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
- H04H20/61—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for local area broadcast, e.g. instore broadcast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Telephonic Communication Services (AREA)
Abstract
The present invention relates to a converged broadcasting and communication system for schools, which is installed in a school to provide broadcasting and communication services. The system comprises: a broadcasting / communication convergence unit for multiplexing together broadcast and communication signals with optical signals of different wavelengths and then transmitting a converged broadcast-communication optical signal through an optical fiber; and a receiver for receiving the optical signal from the broadcast / communication convergence unit, demultiplexing the signal according to wavelength band, and then transmitting the separated broadcast and communication signals to a corresponding end terminal, wherein the receiver includes: a sensor part equipped with a temperature sensor for detecting an indoor temperature; ; and a receiving control part, which controls the processing of the signal transmitted from the broadcasting / communication convergence unit and receives a signal outputted from the temperature sensor of the sensor part to display the detected temperature on a display. With this converged broadcasting and communication system for schools, it is possible to integrate the broadcasting service and the communication service and facilitate monitoring of the classroom environment by detecting and providing information about classroom temperature, the presence of students and carbon concentration to an administration server, thereby increasing the device utility.
Description
Technical field
The present invention relates to campus broadcast communication integration system, relate in particular to by integrating broadcast and communication service and can serve, and can monitor the campus broadcast communication integration system of indoor environment.
Background technology
At present, communication and broadcast network infrastructure have number of different types.In other words, broadcast and communicate by letter in the middle of the process of development, broadcast is divided into surface wave, CATV, satellite broadcasting; Communication is divided into the Internet, mobile communication, the multiple multi-form network systems such as PSTN communication (PSTN).
For general connector, by ISP (Internet ServiceProvider, referred to as ISP), with computer, receive Internet service and video request program (Video OnDemand, referred to as VOD) broadcast service; By surface wave, directly receive multifrequency broadcast; Or by as CATV cable radio network or the multiple means such as satellite broadcasting based on artificial satellite, need with receiving service as terminal equipments such as TV.
But owing to there being this multimedia broadcast service of utilizing, therefore for same connector in order to enjoy multiple broadcast service, need to be equipped with suitable system.That is,, for CATV broadcast service, need to comprise cable system and for the system of the STB of CATV; For satellite broadcast service, need to comprise the system of extra satellite antenna and satellite STB; And for VOD service, need IPDSLAM system, modulator-demodulator and other extra equipment.Under this present situation, because broadcast is integrated, while causing connector in family to enjoy many services, increased cost, and the burden of the service based on provided has been provided in result.
This network architecture, take multimedia service in main current network, cannot adapt to regardless of broadcast expectation that with communicating by letter, service assembly is got up, consumer; In addition, for embodying, handle is communicated by letter and expectation and the demand of the integrated network of the service that broadcast integrates grow with each passing day.
In order to address these problems, propose a plurality of technical schemes, as an example, Korea S patent of invention 2005-0081024, discloses broadcast communication and has integrated connecting system.
In addition, for being arranged on school, enterprise, mansion, so that the dedicated broadcast system of introductory broadcast to be provided, has increased the necessity that comprises the communication integrated service system of broadcasting in shop for structure equally.
But the equipment that is applicable to the receiving terminal of this broadcast communication integrated service system only has pair data to carry out the function of relay process, caused the availability of equipment to decline.
Especially, build can monitor according to campus in the gas concentration lwevel in classroom need to whether take a breath, whether etc. whether fire occurs, in student's existence system, be different from the receiving terminal of broadcast communication integration system, need to build extra equipment.
Summary of the invention
To the object of the invention is in order addressing the above problem, to provide a kind of and not only can support broadcast communication integrated service, can also detect school's indoor environment information so that the campus broadcast communication integration system of monitoring and management function to be provided.
To achieve these goals, the invention provides a kind of campus broadcast communication integration system, be arranged in campus to support broadcast and communication service, comprise: broadcast/communication integration portion, for broadcast singal and signal of communication are multiplexed into the light signal with different wave length, to transmit the communication broadcast light signal of integrating by fiber optics; And acceptance division, for receiving the light signal transmitting from described broadcast/communication integration portion, according to each wave band, carry out inverse multiplexing, the broadcast singal of the light signal as separated and signal of communication are processed, to send corresponding terminal equipment to; Wherein, described acceptance division comprises: transducer portion, has the temperature sensor that detects indoor temperature; And reception control part, for controlling the processing of the signal to transmitting from described broadcast/communication integration portion, receive from the signal of the temperature sensor output of described transducer portion, by display part, shows the temperature of detection.
Preferably, described temperature sensor comprises: optical coupler, is arranged on the receiving terminal optical communication line that is used as the light signal that transmits described acceptance division, for separating of signal; Fiber optics grid is formed with a plurality of grids on fiber optics; Circulator, for sending light signal separated at described optical coupler and that transmit to described fiber optics grid, exports the light reflecting on described fiber optics grid to other path different from incident path; And optical detection part, for changing and calculate temperature according to the light wavelength reflecting and receive by circulator, and export to described reception control part on described fiber optics grid.
And, also comprise: management server, is connected with described broadcast communication integration portion, for controlling and manage a plurality of acceptance divisions; Described transducer portion also comprises: RF reader, for identifying the RF label of wearing to student; Described reception control part receives the RF label being identified from RF reader, sends the described management server being connected with described broadcast communication integration portion to.
More preferably, described transducer portion also comprises: carbon quantity detection sensor, for detection of concentration of carbon; Described reception control part, when the carbon amount detecting on described carbon quantity detection sensor reaches the higher limit of setting, for carry out the information of ventilation by described display part output.
And described reception control part, for sending the temperature information detecting from described temperature sensor to described management server; Described management server, if judge the fire predetermined temperature that the temperature transmitting from described acceptance division reaches setting, for exporting fire alarm by described acceptance division.
The campus broadcast communication integration system according to the present invention, not only can integrating broadcast with communicate by letter to provide service, but also detect information such as teaching indoor temperature, student have or not, gas concentration lwevel so that management service to be provided, and be easy to monitoring and management religion indoor environment, thereby improve the availability of equipment.
Accompanying drawing explanation
Fig. 1 is the block diagram of explanation broadcast communication integration system of the present invention.
Fig. 2 is for describing the block diagram of the receiving terminal of Fig. 1 in detail.
Fig. 3 is for describing the block diagram of the temperature sensor of Fig. 2 in detail.
Embodiment
Below, with reference to accompanying drawing, describe broadcast communication integration system according to the preferred embodiment of the invention in detail.
Fig. 1 is the block diagram of explanation broadcast communication integration system of the present invention.
As shown in Figure 1, broadcast communication integration system in campus comprises: integration portion 110, management server 130, optical splitter 140 and a plurality of acceptance division 200.
Broadcast communication integration portion 110 becomes the light signal of different wave length using the satellite broadcast signal as broadcast singal, CATV broadcast singal, dedicated broadcast signal and the internet data signal multiplexing as signal of communication, so that a communication broadcast signal of integrating is transmitted by optical fiber 141.
Wherein, dedicated broadcast signal is from being arranged on the signal of dedicated broadcast device 120 outputs in campus.
And broadcast communication integration portion 110, manages the relay process between server 130 and acceptance division 200.
Management server 130 Nei Ge classrooms, unified management campus, Lecture Room or with each acceptance divisions 200 of other facility relative set.
Management server 130 consists of common computer, and processes acceptance division 200 data transmission, that the management server 130 of take is receiver address from illustrating, its detailed functions will be explained below.
The detailed structure of broadcast communication integration portion 110, carried out detailed explanation in No. 2005-0081024th, Yi Korea S publication, here no longer described in detail.
Optical splitter 140 is assigned to acceptance division 200 by the light signal transmitting from broadcast communication integration portion 110 by optical fiber 141.
Acceptance division 200 is configured to provide accordingly service with each classroom, it receives the light signal sending from broadcast/communication integration portion 110 and take wave band and carry out inverse multiplexing as unit, thereby process separated broadcast singal and signal of communication, and then will send terminal equipment to the CATV broadcast singal, satellite broadcast signal, dedicated broadcast signal, the internet data signal that generate.
And acceptance division 200 is processed the signal receiving from management server 130.
Detailed structure for this acceptance division 200, describes with reference to Fig. 2.
Acceptance division 200 comprises: wavelength division multiplexer (WDMMUX) 210, Return Reception Dept. 220, transducer portion 270, display part 280.
Wavelength division multiplexer (WDMMUX) 210 receives the light signal transmitting from optical splitter 140, according to each wave band, carries out inverse multiplexing, with by its output.
And wavelength division multiplexer 210 carries out uplink optical signal multiplexing, to transmit to broadcast communication integration portion.
Broadcast signal process portion 230 carries out opto-electronic conversion by the broadcast singal transmitting from wavelength division multiplexer 210, and to corresponding terminal equipment output.
That is, broadcast signal process portion 230, by through the satellite-signal of reception & disposal Set Top Box (STB) 231 via satellite, is sent to TV (TV) 233.
And broadcast signal process portion 230 exports to TV (TV) 233 outputs by the CATV signal through reception & disposal by CATV Set Top Box (STB) 241, by loudspeaker 230 output dedicated broadcast voice signals.
Data reception portion 250 receives and processes from the descending communication signal of wavelength division multiplexer 210 internet data signals that transmit, that comprise 1490nm, to export to computer (PC) or the networking telephone; For uplink communication signal, generate 1310nm uplink optical signal, and be transferred to wavelength division multiplexer 210.
Receive control part 260 and control and process the signal transmitting from broadcast/communication integration portion 110.
That is, receive the signal processing that control part 260 is controlled broadcast signal process portion 230 and data reception portion 250, and process the data that detect in transducer portion 270.
Transducer portion 270 comprises being provided with the indoor of acceptance division 200: the temperature sensor 271, the carbon amount (CO that detect classroom temperature
2) detecting sensor (272), electric energy use amount detecting sensor 273 and RF reader 274.
Preferably, temperature sensor 271 is configured to utilize the optical signal detecting temperature by transmitting for transmitting the receiving terminal optical communication line of acceptance division 200 light signals.
Below, with reference to figure 3, describe this temperature sensor 271 in detail.
First, data reception portion 250 receives the downlink optical signal transmitting from wavelength division multiplexer 210 and generates uplink optical signal to send wavelength division multiplexer 210 to, and it comprises: light source 251, light source drive part 252, light receiver 254, data receiver handling part 255, circulator 253.
Data receiver handling part 255 is controlled light source drive part 252 and is generated with the upstream data receiving from computer (PC) or from light signal corresponding to the upstream data of reception control part 260 outputs.
Light receiver 254, the downlink optical signal for receiving from the receiving terminal optical communication line 212 between wavelength division multiplexer 210 and acceptance division 250 by circulator 253, carries out opto-electronic conversion processing, and exports to data receiver handling part 255.
In addition, temperature sensor 271 utilize by 212 transmitting-receivings of receiving terminal optical communication line, for the light signal of communicating by letter, carry out detected temperatures.
Be different from illustrated embodiment, temperature sensor 271 can also be arranged to the light separation that the receiving terminal optical communication line by being connected between optical splitter 140 and acceptance division 200 is transmitted and be utilized.
Temperature sensor 271 comprises: optical coupler 271a, circulator 271b, fiber optics grid 271c, optical detection part 271d.
Optical coupler 271a, as by the splitter of the light signal separation transmitting by receiving terminal optical communication line 212, is arranged on for transmitting the receiving terminal optical communication line 212 of the light signal of acceptance division 200.In illustrated embodiment, on the optical communication line being connected between wavelength division multiplexer 210 and data reception portion 250, be provided with optical coupler 271a.
Circulator 271b, the signal that the fiber optics by with respect to 212 separation of receiving terminal optical communication line is transmitted from optical coupler 271a, sends fiber optics grid 271c to; And will export to optical detection part 271d at the light signal of fiber optics grid 271c reflection.
Fiber optics grid 271c is formed with a plurality of grids on fiber optics.
Optical detection part 271d, according to changing in fiber optics grid 271c reflection detected light wavelength, calculates temperature and outputs it to reception control part 260.
Because this temperature sensor 271 has utilized the light signal generating with light source 251 in communication, thus have advantages of that structure is single, and the advantage of measurement range expansion.
Carbon quantity detection sensor 272 is arranged in classroom to detect concentration of carbon, and the concentration of carbon of detection is exported to and received control part 260.
Electric energy use amount detecting sensor 273, be arranged on electric energy supply line to detect by the electric energy use amount in order to use electric power supply line that the electric light in each classroom or electrical equipment are in addition arranged to supply with, and the electric energy use amount information of detection is exported to and received control part 260.
274 identifications of RF reader have the RF label intrinsic identification number, that each student wears of giving for each student, and the intrinsic identifying information of identification is exported to and received control part 260.
Receive control part 260 and receive the RF label information of reading from RF reader 274, with acceptance division 200 intrinsic informations together, periodically send the management server 130 being connected with broadcast communication integration portion 110 to.
Receive control part 260 temperature information detecting on temperature sensor 271 is shown by display part 280, and send it to management server 130.
Preferably, display part 280 is arranged in classroom and shows the environmental information in classroom, as: temperature information, the concentration of carbon information that will illustrate and electric energy use amount information etc., to make it have the effect of education and to be used for going cognitive environment information from visual angle.
Receive control part 260 when the carbon amount detecting at carbon quantity detection sensor 272, concentration reaches the value of setting, while reaching the value that needs ventilation, at display part 280, shows the indication of carrying out ventilation.
Therewith to some extent distinctively, receive control part 260, when reach the value of setting in the detected concentration of carbon value of carbon quantity detection sensor 272, the communication that execution is taken a breath is to TV 233 or export to loudspeaker 235.
Can also be therewith to some extent distinctively, receiving control part 260 can be configured in the detected concentration of carbon information of carbon quantity detection sensor 272, with the intrinsic information of acceptance division 200 together, periodically send the management server 130 being connected with broadcast communication integration portion 110 to.Now, when the concentration of carbon receiving reaches the value of setting, while reaching the value that needs ventilation, management server 130 is controlled corresponding acceptance division 200 to show by display part 280 the demonstration information of carrying out ventilation.
Receive control part 260 and by display part 280, show the electric energy use amount receiving from electric energy use amount detecting sensor 273, and by electric energy use amount communication to management server 130.
Management server 130 is together stored the RF label information and acceptance division 200 intrinsic informations that from each acceptance division 200, receive, to confirm student's moving position in school.
And the temperature information that management server 130 can be configured to by transmitting from each acceptance division 200 is controlled driving refrigeration plant or heating equipment automatically.
And preferably, management server 130 is configured to
When the temperature information transmitting from acceptance division 200 reaches the value of setting, as 60 ℃, with whether breaking out of fire independently transmits fire alarms by acceptance division 200.
Now, can fire preventing in possible trouble.
Claims (4)
1. a campus broadcast communication integration system, is arranged in campus and broadcasts and communication service with support, it is characterized in that, comprising:
Broadcast/communication integration portion, for broadcast singal and signal of communication are multiplexed into the light signal with different wave length, to transmit the communication broadcast light signal of integrating by fiber optics; And
Acceptance division, for receiving the light signal transmitting from described broadcast/communication integration portion, carries out inverse multiplexing according to each wave band, the broadcast singal of the light signal as separated and signal of communication is processed, to send corresponding terminal equipment to;
Wherein, described acceptance division comprises:
Transducer portion, has the temperature sensor that detects indoor temperature; And
Receive control part, for controlling the processing of the signal to transmitting from described broadcast/communication integration portion, receive from the signal of the temperature sensor output of described transducer portion, by display part, shows the temperature of detection,
Wherein, described temperature sensor comprises:
Optical coupler, is arranged on the receiving terminal optical communication line that is used as the light signal that transmits described acceptance division, for separating of signal;
Fiber optics grid is formed with a plurality of grids on fiber optics;
Circulator, for sending light signal separated at described optical coupler and that transmit to described fiber optics grid, exports the light reflecting on described fiber optics grid to other path different from incident path; And
Optical detection part, for changing and calculate temperature according to the light wavelength reflecting on described fiber optics grid and receive by circulator, and exports to described reception control part.
2. broadcast communication integration system in campus according to claim 1, is characterized in that, also comprises: management server, is connected with described broadcast communication integration portion, for controlling and manage a plurality of acceptance divisions;
Described transducer portion also comprises: RF reader, for identifying the RF label of wearing to student;
Described reception control part receives the RF label being identified from RF reader, sends the described management server being connected with described broadcast communication integration portion to.
3. broadcast communication integration system in campus according to claim 2, is characterized in that,
Described transducer portion also comprises: carbon quantity detection sensor, for detection of concentration of carbon;
Described reception control part, when the carbon amount detecting on described carbon quantity detection sensor reaches the higher limit of setting, for carry out the information of ventilation by described display part output.
4. broadcast communication integration system in campus according to claim 3, is characterized in that,
Described reception control part, for sending the temperature information detecting from described temperature sensor to described management server;
Described management server, if judge the fire predetermined temperature that the temperature transmitting from described acceptance division reaches setting, for exporting fire alarm by described acceptance division.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090049586A KR100919314B1 (en) | 2009-06-04 | 2009-06-04 | Integrating system of broadcasting and telecommunication for school |
| KR10-2009-0049586 | 2009-06-04 | ||
| PCT/KR2010/003584 WO2010140858A2 (en) | 2009-06-04 | 2010-06-03 | Converged broadcasting and communication system for schools |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102449939A CN102449939A (en) | 2012-05-09 |
| CN102449939B true CN102449939B (en) | 2014-08-06 |
Family
ID=41571896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080024160.XA Expired - Fee Related CN102449939B (en) | 2009-06-04 | 2010-06-03 | Converged broadcasting and communication system for schools |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR100919314B1 (en) |
| CN (1) | CN102449939B (en) |
| WO (1) | WO2010140858A2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101064890B1 (en) * | 2011-01-20 | 2011-09-16 | 폰 시스템주식회사 | Emergency public address and communication convergence system with unified optical system |
| US11039109B2 (en) | 2011-08-05 | 2021-06-15 | Fox Sports Productions, Llc | System and method for adjusting an image for a vehicle mounted camera |
| MX344762B (en) | 2011-08-05 | 2016-12-15 | Fox Sports Productions Inc | Selective capture and presentation of native image portions. |
| US11159854B2 (en) | 2014-12-13 | 2021-10-26 | Fox Sports Productions, Llc | Systems and methods for tracking and tagging objects within a broadcast |
| US11758238B2 (en) | 2014-12-13 | 2023-09-12 | Fox Sports Productions, Llc | Systems and methods for displaying wind characteristics and effects within a broadcast |
| US9288545B2 (en) * | 2014-12-13 | 2016-03-15 | Fox Sports Productions, Inc. | Systems and methods for tracking and tagging objects within a broadcast |
| CN108848282A (en) * | 2018-06-08 | 2018-11-20 | 成都智科通信技术股份有限公司 | A kind of broadcast system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2452239Y (en) * | 2000-11-07 | 2001-10-03 | 张廷荣 | Multifunction automatic controller for school public electrical appliances |
| CN1776707A (en) * | 2005-12-09 | 2006-05-24 | 奈讯控股股份有限公司 | Campus student sufety RFID auto-monitoring system |
| CN101272632A (en) * | 2008-05-08 | 2008-09-24 | 上海交通大学 | Broadcast multicast data transfer method based on breadth re-modulation in passive optical network |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100582556B1 (en) * | 2004-02-12 | 2006-05-22 | 한국전자통신연구원 | Access system for combination of communication and broadcasting and method thereof |
| KR20060031783A (en) * | 2004-10-09 | 2006-04-13 | 주식회사 비즈모델라인 | Rfid tag with sensing function and recording medium, system and method for storing information in rfid tag |
| KR100651507B1 (en) * | 2004-12-03 | 2006-11-29 | 삼성전자주식회사 | System for distributing optical channel in a broadcasting and telecommunication system |
| KR100714098B1 (en) * | 2005-06-24 | 2007-05-02 | 한국전자통신연구원 | System for electric tag broadcasting and method thereof |
-
2009
- 2009-06-04 KR KR1020090049586A patent/KR100919314B1/en active IP Right Review Request
-
2010
- 2010-06-03 WO PCT/KR2010/003584 patent/WO2010140858A2/en active Application Filing
- 2010-06-03 CN CN201080024160.XA patent/CN102449939B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2452239Y (en) * | 2000-11-07 | 2001-10-03 | 张廷荣 | Multifunction automatic controller for school public electrical appliances |
| CN1776707A (en) * | 2005-12-09 | 2006-05-24 | 奈讯控股股份有限公司 | Campus student sufety RFID auto-monitoring system |
| CN101272632A (en) * | 2008-05-08 | 2008-09-24 | 上海交通大学 | Broadcast multicast data transfer method based on breadth re-modulation in passive optical network |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102449939A (en) | 2012-05-09 |
| WO2010140858A2 (en) | 2010-12-09 |
| KR100919314B1 (en) | 2009-10-01 |
| WO2010140858A3 (en) | 2011-04-14 |
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Granted publication date: 20140806 Termination date: 20170603 |