CN102449939A - Converged broadcasting and communication system for schools - Google Patents

Converged broadcasting and communication system for schools Download PDF

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Publication number
CN102449939A
CN102449939A CN201080024160XA CN201080024160A CN102449939A CN 102449939 A CN102449939 A CN 102449939A CN 201080024160X A CN201080024160X A CN 201080024160XA CN 201080024160 A CN201080024160 A CN 201080024160A CN 102449939 A CN102449939 A CN 102449939A
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China
Prior art keywords
broadcast
communication
signal
temperature
sensor
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Granted
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CN201080024160XA
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Chinese (zh)
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CN102449939B (en
Inventor
崔贤钒
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FON SYSTEM CO Ltd
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FON SYSTEM CO Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/12Arrangements for observation, testing or troubleshooting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65Arrangements characterised by transmission systems for broadcast
    • H04H20/69Optical systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/28Arrangements for simultaneous broadcast of plural pieces of information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/53Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
    • H04H20/61Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for local area broadcast, e.g. instore broadcast
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H40/00Arrangements specially adapted for receiving broadcast information
    • H04H40/18Arrangements characterised by circuits or components specially adapted for receiving

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

Campus broadcast communication integration system
Technical field
The present invention relates to campus broadcast communication integration system, relate in particular to through 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, broadcasting and communicate by letter in the middle of the process of development is broadcasted and to be divided into surface wave, CATV, satellite broadcasting; Communication is divided into the Internet, mobile communication, PSTN communication multiple multi-form network systems such as (PSTN).
For general connector,, receive Internet service and video request program (Video On Demand abbreviates VOD as) broadcast service with computer through ISP (Internet Service Provider abbreviates ISP as); Through surface wave, directly receive multifrequency broadcasting; Perhaps through as CATV cable radio network or based on the multiple means such as satellite broadcasting of artificial satellite, need with as the reception of terminal equipments such as TV serve.
But owing to there is 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,, need comprise cable system and the system that is used for the STB of CATV for the CATV broadcast service; For satellite broadcast service, need comprise the system of extra satellite antenna and satellite STB; And, need IPDSLAM system, modulator-demodulator and other additional apparatus for the VOD service.Under this present situation,, cause when the connector in the family need enjoy multiple service, having increased cost, and increased the weight of burden on the result based on the service that is provided because broadcasting is not integrated.
This network architecture in the current network that with the multimedia service is the master, can't adapt to be regardless of and broadcast expectation that get up service assembly with communicating by letter, the consumer; In addition, handle is communicated by letter and the expectation and the demand of the integrated network of the service that broadcasting integrates grow with each passing day for embodying.
Propose a plurality of technical schemes in order to address these problems, 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 has increased the necessity that comprises the communication integrated service system that broadcasts in the shop for structure equally so that the dedicated broadcast system of introductory broadcasting to be provided.
But, be applicable to that the equipment of 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 descend.
Especially, in structure can be monitored according to the campus, in the system that whether the gas concentration lwevel needs take a breath, whether fire takes place, whether student's existence waits in classroom, be different from the receiving terminal of broadcast communication integration system, need to make up additional apparatus.
Summary of the invention
To the objective of the invention is in order addressing the above problem, to provide a kind of and not only can support the 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 the campus to support broadcasting and communication service; Comprise: broadcast/communication integration portion is used for broadcast singal and signal of communication be multiplexed into and has wavelength optical signals, to transmit the communication broadcast light signal of integrating through fiber optics; And acceptance division, be used to receive the light signal that transmits from said broadcast/communication integration portion, carry out inverse multiplexing according to each wave band, will handle as broadcast singal and the signal of communication of the light signal that separates, to send the terminal equipment of correspondence to; Wherein, said acceptance division comprises: sensor part has the temperature sensor that detects indoor temperature; And the reception control part, be used to control the Signal Processing that transmits from said broadcast/communication integration portion, receive from the signal of the temperature sensor output of said sensor part, show the temperature that detects through display part.
Preferably, said temperature sensor comprises: optical coupler, be arranged on the receiving terminal optical communication line as the light signal that transmits said acceptance division, and be used for separation signal; The fiber optics grid is formed with a plurality of grids on fiber optics; Circulator is used for sending light signal separated at said optical coupler and that transmit to said fiber optics grid, and the light that will on said fiber optics grid, reflect is to other path output different with incident path; And optical detection part, be used for calculating temperature, and export to said reception control part according to reflection on said fiber optics grid and through the light wavelength variation that circulator receives.
And, also comprise: management server, be connected with said broadcast communication integration portion, be used for control and manage a plurality of acceptance divisions; Said sensor part also comprises: the RF reader is used to discern the RF label of wearing to the student; Said reception control part receives the RF label that is identified from the RF reader, sends the said management server that is connected with said broadcast communication integration portion to.
More preferably, said sensor part also comprises: the carbon quantity detection sensor is used to detect concentration of carbon; Said reception control part when the carbon amount that on said carbon quantity detection sensor, detects reaches the higher limit of setting, then is used for carrying out through said display part output the information of ventilation.
And said reception control part is used for sending the temperature information that detects from said temperature sensor to said management server; Said management server if judge the fire predetermined temperature that reaches setting from the temperature of said acceptance division transmission, then is used for through said acceptance division output fire alarm.
The campus broadcast communication integration system according to the present invention; Not only can integrating broadcast with communicate by letter so that service to be provided; But also the information such as temperature in the classroom, student have or not, gas concentration lwevel that detect are to provide management service; And be easy to environment in monitoring and the management classroom, thereby improve the availability of equipment.
Description of drawings
Fig. 1 is the block diagram of explanation broadcast communication integration system of the present invention.
Fig. 2 is the block diagram of the receiving terminal of detailed description Fig. 1.
Fig. 3 is the block diagram of the temperature sensor of detailed description Fig. 2.
Embodiment
Below, specify broadcast communication integration system according to the preferred embodiment of the invention with reference to accompanying drawing.
Fig. 1 is the block diagram of explanation broadcast communication integration system of the present invention.
As shown in Figure 1, campus broadcast communication integration system comprises: integration portion 110, management server 130, optical splitter 140 and a plurality of acceptance division 200.
Broadcast communication integration portion 110 will become wavelength optical signals with internet data signal multiplexing as signal of communication as the satellite broadcast signal of broadcast singal, CATV broadcast singal, dedicated broadcast signal, with a communication broadcast signal of integrating through optical fiber 141 transmission.
Wherein, the dedicated broadcast signal is from being arranged on the signal of dedicated broadcast device 120 outputs in the campus.
And broadcast communication integration portion 110 carries out the relay process between management server 130 and the acceptance division 200.
Each classroom in the management server 130 unified management campuses, Lecture Room or with each acceptance divisions 200 of other facility relative set.
Management server 130 is made up of common computer, and handle from acceptance division 200 transmission that will explain, be the data of receiver address with management server 130, its detailed functions will be explained below.
The detailed structure of broadcast communication integration portion 110 was carried out detailed explanation in Korea S's publication 2005-0081024 number, here no longer specify.
Optical splitter 140 will be assigned to acceptance division 200 from the light signal that broadcast communication integration portion 110 transmits through optical fiber 141.
Acceptance division 200 is configured to and can service be provided accordingly with each classroom; It receives the light signal that sends from broadcast/communication integration portion 110 is that unit carries out inverse multiplexing with the wave band; Thereby handle 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 handled the signal that receives from management server 130.
To the detailed structure of this acceptance division 200, will describe with reference to Fig. 2.
Acceptance division 200 comprises: wavelength division multiplexer (WDMMUX) 210, Return Reception Dept. 220, sensor part 270, display part 280.
Wavelength division multiplexer (WDMMUX) 210 receives the light signal that transmits from optical splitter 140, carries out inverse multiplexing according to each wave band, with 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 will carry out opto-electronic conversion from the broadcast singal that wavelength division multiplexer 210 transmits, and export to the terminal equipment of correspondence.
That is, satellite-signal that receive to handle STB (STB) 231 via satellite will pass through in broadcast signal process portion 230, be sent to TV (TV) 233.
And broadcast signal process portion 230 will pass through the CATV signal that receives processing and export to TV (TV) 233 outputs through CATV STB (STB) 241, through loudspeaker 230 output dedicated broadcast voice signals.
Data reception portion 250 receives and handles from the descending communication signal of wavelength division multiplexer 210 internet data signals that transmit, that comprise 1490nm, to export to the computer (PC) or the networking telephone; To uplink communication signal, generate the 1310nm uplink optical signal, and be transferred to wavelength division multiplexer 210.
Receive control part 260 controls and handle the signal that transmits from broadcast/communication integration portion 110.
That is, receive the signal processing of control part 260 control broadcast signal process portions 230 and data reception portion 250, and handle the data that detect in sensor part 270.
Sensor part 270 comprises being provided with the indoor of acceptance division 200: the temperature sensor 271, the carbon amount (CO that detect the 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 that transmits through the receiving terminal optical communication line that is used to transmit acceptance division 200 light signals.
Below, specify this temperature sensor 271 with reference to figure 3.
At first; Data reception portion 250 receives from the downlink optical signal of wavelength division multiplexer 210 transmission 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 Receiving handling part 255, circulator 253.
Data Receiving handling part 255 control light source drive parts 252 generate with the upstream data that receives from computer (PC) or from receiving the corresponding light signal of upstream data of control part 260 outputs.
Light receiver 254 to through the downlink optical signal of circulator 253 from 212 receptions of the receiving terminal optical communication line between wavelength division multiplexer 210 and acceptance division 250, carries out opto-electronic conversion and handles, and export to Data Receiving handling part 255.
In addition, temperature sensor 271 utilizes through receiving terminal optical communication line 212 light signals transmitting-receiving, that be used to communicate by letter and comes detected temperatures.
Be different from illustrated embodiment, temperature sensor 271 can also be arranged to the light separation that transmits through the receiving terminal optical communication line that is connected between optical splitter 140 and the acceptance division 200 and utilize.
Temperature sensor 271 comprises: optical coupler 271a, circulator 271b, fiber optics grid 271c, optical detection part 271d.
Optical coupler 271a is as the splitter of separate optical signals that will be through receiving terminal optical communication line 212 transmission, is arranged on the receiving terminal optical communication line 212 of the light signal that is used to transmit acceptance division 200.In illustrated embodiment, the optical communication line that is connected between wavelength division multiplexer 210 and the data reception portion 250 is provided with optical coupler 271a.
Circulator 271b will send fiber optics grid 271c to through the fiber optics that separates with respect to receiving terminal optical communication line 212 from the signal that optical coupler 271a transmits; 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 calculates temperature and outputs it to reception control part 260 according to changing in fiber optics grid 271c reflection and light wavelength to be detected.
Because this temperature sensor 271 has utilized the light signal that generates with light source 251 in communication, thus the single advantage of structure had, and the advantage of measurement range expansion.
Carbon quantity detection sensor 272 is arranged in the classroom detecting concentration of carbon, and the concentration of carbon that detects exported to receives control part 260.
Electric energy use amount detecting sensor 273; Be arranged on the electric energy supply line electric energy use amount of supplying with through the electric power supply line of arranging for the electric light that uses each classroom or electrical equipment in addition to detect, and the electric energy use amount information that detects exported to receive control part 260.
274 identifications of RF reader have the RF label of giving for each student intrinsic identification number, that each student wears, and the intrinsic identifying information that will discern is exported to reception 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 that is connected with broadcast communication integration portion 110 to.
The temperature information that reception control part 260 will detect on temperature sensor 271 shows through display part 280, and sends it to management server 130.
Preferably; Display part 280 is arranged in the classroom and shows the environmental information in the classroom; As: temperature information, the concentration of carbon information that will explain and electric energy use amount information etc., so that it has the effect of education and is used for going cognitive environment information from visual angle.
Receive control part 260 when the carbon amount that detects at carbon quantity detection sensor 272, promptly concentration reaches the value of setting, when promptly reaching the value that needs ventilation, shows the indication of carrying out ventilation at display part 280.
Therewith to some extent distinctively, receive control part 260,, the message transmission of carrying out ventilation is given TV 233 or exported to loudspeaker 235 when the value that reaches setting in carbon quantity detection sensor 272 detected concentration of carbon values.
Can also be therewith to some extent distinctively; Receiving control part 260 can be configured in carbon quantity detection sensor 272 detected concentration of carbon information; With the intrinsic information of acceptance division 200 together, periodically send the management server 130 that is connected with broadcast communication integration portion 110 to.At this moment, when the concentration of carbon that receives reaches the value of setting, when promptly reaching the value that needs ventilation, the corresponding acceptance division 200 of management server 130 controls is to show the display message of carrying out ventilation through display part 280.
Receive control part 260 and show the electric energy use amount that receives from electric energy use amount detecting sensor 273, and give management server 130 electric energy use amount message transmission through display part 280.
Management server 130 will together be stored from RF label information and acceptance division 200 intrinsic informations that each acceptance division 200 receives, to confirm student's moving position in school.
And management server 130 can be configured to through automatic controlling and driving refrigeration plant of temperature information or heating equipment from each acceptance division 200 transmission.
And preferably, management server 130 is configured to
When the temperature information that transmits from acceptance division 200 reaches the value of setting, as 60 ℃, then with whether breaking out of fire irrespectively transmits fire alarms through acceptance division 200.
At this moment, can fire preventing in possible trouble.

Claims (5)

1. a campus broadcast communication integration system is arranged in the campus and broadcasts and communication service with support, it is characterized in that, comprising:
Broadcast/communication integration portion is used for broadcast singal and signal of communication be multiplexed into and has wavelength optical signals, to transmit the communication broadcast light signal of integrating through fiber optics; And
Acceptance division is used to receive the light signal that transmits from said broadcast/communication integration portion, carries out inverse multiplexing according to each wave band, will handle as broadcast singal and the signal of communication of the light signal that separates, to send the terminal equipment of correspondence to;
Wherein, said acceptance division comprises:
Sensor part has the temperature sensor that detects indoor temperature; And
Receive control part, be used to control the Signal Processing that transmits from said broadcast/communication integration portion, receive, show the temperature that detects through display part from the signal of the temperature sensor output of said sensor part.
2. broadcast communication integration system in campus according to claim 1 is characterized in that said temperature sensor comprises:
Optical coupler is arranged on the receiving terminal optical communication line as the light signal that transmits said acceptance division, is used for separation signal;
The fiber optics grid is formed with a plurality of grids on fiber optics;
Circulator is used for sending light signal separated at said optical coupler and that transmit to said fiber optics grid, and the light that will on said fiber optics grid, reflect is to other path output different with incident path; And
Optical detection part is used for calculating temperature according to reflection on said fiber optics grid and through the light wavelength variation that circulator receives, and exports to said reception control part.
3. broadcast communication integration system in campus according to claim 2 is characterized in that, also comprises: management server, be connected with said broadcast communication integration portion, and be used for control and manage a plurality of acceptance divisions;
Said sensor part also comprises: the RF reader is used to discern the RF label of wearing to the student;
Said reception control part receives the RF label that is identified from the RF reader, sends the said management server that is connected with said broadcast communication integration portion to.
4. broadcast communication integration system in campus according to claim 3 is characterized in that,
Said sensor part also comprises: the carbon quantity detection sensor is used to detect concentration of carbon;
Said reception control part when the carbon amount that on said carbon quantity detection sensor, detects reaches the higher limit of setting, then is used for carrying out through said display part output the information of ventilation.
5. broadcast communication integration system in campus according to claim 4 is characterized in that,
Said reception control part is used for sending the temperature information that detects from said temperature sensor to said management server;
Said management server if judge the fire predetermined temperature that reaches setting from the temperature of said acceptance division transmission, then is used for through said acceptance division output fire alarm.
CN201080024160.XA 2009-06-04 2010-06-03 Converged broadcasting and communication system for schools Expired - Fee Related CN102449939B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2009-0049586 2009-06-04
KR1020090049586A KR100919314B1 (en) 2009-06-04 2009-06-04 Integrating system of broadcasting and telecommunication for school
PCT/KR2010/003584 WO2010140858A2 (en) 2009-06-04 2010-06-03 Converged broadcasting and communication system for schools

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CN102449939B CN102449939B (en) 2014-08-06

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US11758238B2 (en) 2014-12-13 2023-09-12 Fox Sports Productions, Llc Systems and methods for displaying wind characteristics and effects within a broadcast
US11159854B2 (en) 2014-12-13 2021-10-26 Fox Sports Productions, Llc Systems and methods for tracking and tagging objects within a broadcast
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WO2010140858A2 (en) 2010-12-09
KR100919314B1 (en) 2009-10-01
CN102449939B (en) 2014-08-06
WO2010140858A3 (en) 2011-04-14

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