CN108806178A - Intelligent safety and defence system - Google Patents
Intelligent safety and defence system Download PDFInfo
- Publication number
- CN108806178A CN108806178A CN201810864725.3A CN201810864725A CN108806178A CN 108806178 A CN108806178 A CN 108806178A CN 201810864725 A CN201810864725 A CN 201810864725A CN 108806178 A CN108806178 A CN 108806178A
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- capacitance
- triode
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- resistor
- connect
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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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
- G08B19/005—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow combined burglary and fire alarm systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power Engineering (AREA)
- Protection Of Static Devices (AREA)
Abstract
The invention discloses a kind of intelligent safety and defence systems, including master controller, mobile terminal, wireless communication module, power module, flame sensor, smoke sensor device, Temperature Humidity Sensor, audible-visual annunciator, status indicator lamp and infrared sensor of the human body, intelligent security guard APP is installed in mobile terminal, module is connect mobile terminal with master controller by radio communication, and power module, flame sensor, smoke sensor device, Temperature Humidity Sensor, audible-visual annunciator, status indicator lamp and infrared sensor of the human body are connect with master controller;Power module includes DC power supply, the first capacitance, the first triode, the 4th resistance, first resistor, the second triode, the first zener diode, the second potentiometer, 3rd resistor, third transistor, the second capacitance and voltage output end.The intelligent safety and defence system for implementing the present invention, has the advantages that:Facilitate that control, circuit structure are relatively simple, cost is relatively low, the safety and reliability of circuit is higher.
Description
Technical field
The present invention relates to intelligent security guard field, more particularly to a kind of intelligent safety and defence system.
Background technology
Safety-protection system is the important technical with high safety for taking precautions against control, under the situation of current security protection demand expansion,
It is also more and more extensive in the utilization of field of prevention of a safety technology.Used safety-protection system relies primarily on the visual determination of people,
And lack the intellectual analysis to video content.So that safety-protection system can be only done the storage record of the video in the time, only may be used
Evidence is provided for ex-post analysis.And it is in the omission of pre-/alarm in advance, and the keep tie meaning of peace is also allowed to be had a greatly reduced quality.With photoelectricity
The development of information technology, microelectric technique, micro-computer technology and video image processing technology etc., traditional safety-protection system is also just
By digitlization, networking, and gradually move towards intelligent.This intelligence refers to the system in the case where not needing human intervention
It can realize automatically and the abnormal conditions in monitored picture are detected, are identified, pre-/alarm can be made in time when there is exception.It passes
System safety-protection system is controlled using ZigBee modes, and multiple ZigBee terminal nodes are arranged, and causes inconvenient control, and control
It is higher that this is made.The component that power pack in traditional safety-protection system uses is more, and circuit structure is complicated, due to the use of member
Device is more, causes hardware cost higher.In addition, since the power pack of traditional safety-protection system lacks corresponding circuit protection work(
Can, such as:Without current-limiting protection function, cause the safety and reliability of circuit relatively low.
Invention content
The technical problem to be solved in the present invention is, for the drawbacks described above of the prior art, provides and a kind of facilitating control, electricity
Line structure is relatively simple, cost is relatively low, the higher intelligent safety and defence system of the safety and reliability of circuit.
The technical solution adopted by the present invention to solve the technical problems is:Construct a kind of intelligent safety and defence system, including master control
Device processed, mobile terminal, wireless communication module, power module, flame sensor, smoke sensor device, Temperature Humidity Sensor, acousto-optic report
Device, status indicator lamp and infrared sensor of the human body are warned, intelligent security guard APP, the mobile terminal are installed in the mobile terminal
It is connect with the master controller by the wireless communication module, the power module, flame sensor, smoke sensor device, temperature
Humidity sensor, audible-visual annunciator, status indicator lamp and infrared sensor of the human body are connect with the master controller;
The power module includes DC power supply, the first capacitance, the first triode, the 4th resistance, first resistor, the two or three
Pole pipe, the first zener diode, the second potentiometer, 3rd resistor, third transistor, the second capacitance and voltage output end, it is described
DC power supply is connect with the collector of one end of first capacitance and the first triode respectively, the other end of first capacitance
Ground connection, the base stage of first triode are connect with the collector of one end of the 4th resistance and the second triode respectively, institute
The other end ground connection of the 4th resistance is stated, the emitter of first triode is electric with one end of the first resistor, third respectively
One end of resistance, the second capacitance one end connected with voltage output end, the other end of the first resistor is steady with described first respectively
Press the fixing end connection of the anode of diode, the emitter of the second triode and the second potentiometer, first voltage stabilizing two
Another fixing end of the cathode of pole pipe and the second potentiometer is grounded, the sliding end and the described 3rd 3 of second potentiometer
The base stage of pole pipe connects, the base stage of second triode collection with the other end of the 3rd resistor and third transistor respectively
Electrode connects, and the resistance value of the other end ground connection of second capacitance, the 4th resistance is 48k Ω.
In intelligent safety and defence system of the present invention, the power module further includes third capacitance, the third capacitance
One end connect with the base stage of first triode, the collector of the other end of the third capacitance and second triode
The capacitance of connection, the third capacitance is 380pF.
In intelligent safety and defence system of the present invention, the power module further includes the 4th capacitance, the 4th capacitance
One end connect with the base stage of second triode, the collector of the other end and the third transistor of the 4th capacitance
The capacitance of connection, the 4th capacitance is 420pF.
In intelligent safety and defence system of the present invention, the power module further includes the second diode, and the described 2nd 2
The anode of pole pipe is connect with the emitter of first triode, and cathode and the voltage output end of second diode connect
It connects, the model S-183T of second diode.
In intelligent safety and defence system of the present invention, first triode, the second triode and third transistor are equal
For NPN type triode.
In intelligent safety and defence system of the present invention, the wireless communication module is bluetooth module, WIFI module, GSM
Module, GPRS module, CDMA module, CDMA2000 modules, WCDMA modules, TD-SCDMA modules, Zigbee module or LoRa moulds
Block.
In intelligent safety and defence system of the present invention, the mobile terminal is smart mobile phone, tablet computer or PDA.
The intelligent safety and defence system for implementing the present invention, has the advantages that:Due to be equipped with master controller, mobile terminal,
Wireless communication module, power module, flame sensor, smoke sensor device, Temperature Humidity Sensor, audible-visual annunciator, state instruction
Lamp and infrared sensor of the human body are equipped with intelligent security guard APP in mobile terminal, are controlled, can be increased using intelligent security guard APP
It includes DC power supply, the first capacitance, the first triode, the 4th resistance, first resistor, to add the convenience of control, power module
Two triodes, the first zener diode, the second potentiometer, 3rd resistor, third transistor, the second capacitance and voltage output end,
For the power module relative to the power pack in traditional safety-protection system, the component used is less, due to saving some members
Device, can thus reduce hardware cost, the 4th resistance for carrying out current-limiting protection, therefore facilitate control, circuit structure compared with
For simple, cost is relatively low, the safety and reliability of circuit is higher.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram in intelligent safety and defence system one embodiment of the present invention;
Fig. 2 is the circuit diagram of power module in the embodiment.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In intelligent safety and defence system embodiment of the present invention, the structural schematic diagram of the intelligent safety and defence system is as shown in Figure 1.Fig. 1
In, the intelligent safety and defence system include master controller 1, mobile terminal 2, wireless communication module 3, power module 4, flame sensor 5,
Smoke sensor device 6, Temperature Humidity Sensor 7, audible-visual annunciator 8, status indicator lamp 9 and infrared sensor of the human body 10, mobile terminal 2
In intelligent security guard APP is installed, mobile terminal 2 can be smart mobile phone, tablet computer or PDA etc., intelligent security guard APP with pass
The framework of system intelligent security guard software is different, has oneself unique completely new software architecture, for realizing intelligent security guard function.
Module 3 is connect mobile terminal 2 with master controller 1 by radio communication, power module 4, flame sensor 5, smoke sensor device 6,
Temperature Humidity Sensor 7, audible-visual annunciator 8, status indicator lamp 9 and infrared sensor of the human body 10 are connect with master controller 1.
Specifically, fire detection data are sent to master controller 1 by flame sensor 5, smoke sensor device 6 examines smog
Measured data is sent to master controller 1, and Temperature and Humidity data are sent to master controller 1, flame sensor by Temperature Humidity Sensor 7
5 be far infrared flame sensor.
Master controller 1 acquires the voltage on smoke sensor device 6 by ADC, is sentenced according to the voltage change of smoke sensor device 6
It is disconnected that gas leakage whether occurs.Burning will produce a large amount of heat and radiate a large amount of infrared ray, and flame sensor 5 is red by detecting
The content of outside line detects whether fire;Use far infrared flame sensor can detect wavelength for 800 nanometers~
Infrared ray in 1100 nanometer ranges;When sensor detects it is abnormal when, audible-visual annunciator 8 send out audible and visible alarm remind householder.
The effect of infrared sensor of the human body 10 is to send out alarm and reminding householder when someone's illegal invasion.
It can be seen that issuing master controller 1 after sensor collection data, master controller 1 receives data and carries out corresponding
Processing, then will treated result module 3 issues intelligent security guard APP and executes corresponding operation by radio communication.Master controller 1
Also receive the control instruction from intelligent security guard APP.Intelligent security guard APP can be used as human-computer interaction interface, Temperature Humidity Sensor 7
Indoor humiture is detected, and sends the humiture of detection to master controller 1, module 3 will by radio communication for master controller 1
Humiture is uploaded to the display of wireless communication module 3.When smoke sensor device 6 and flame sensor 5 detect the condition of a disaster, alarm is sent out
And remind householder on intelligent security guard APP;Effectively the condition of a disaster can be strangled in rudiment.It can be by intelligent security guard APP
" setting security protection " and " cancelling security protection " button realize intelligent security protection.In the case where security protection state is arranged, if someone triggers
Infrared sensor of the human body 10 then sends out alert notification householder someone invasion.When head of a family is in, security protection can be cancelled and avoid accidentally touching
Hair, wrong report.
In the present embodiment, wireless communication module 3 can be for bluetooth module, WIFI module, gsm module, GPRS module,
CDMA module, CDMA2000 modules, WCDMA modules, TD-SCDMA modules, Zigbee module or LoRa modules etc..Pass through setting
Various wireless communication mode can not only increase the flexibility of communication, moreover it is possible to meet different user and different occasions
Demand.When in particular by LoRa modules, farther out, and communication performance is relatively stable for communication distance, is suitable for communicating matter
Measure more demanding occasion.
Fig. 2 is the circuit diagram of power module in the present embodiment, in Fig. 2, the power module 4 include DC power supply VCC,
First capacitance C1, the first triode Q1, the 4th resistance R4, first resistor R1, the second triode Q2, the first zener diode D1,
Second potentiometer RP2,3rd resistor R3, third transistor Q3, the second capacitance C2 and voltage output end Vo, wherein DC power supply
VCC is connect with the collector of one end of the first capacitance C1 and the first triode Q1 respectively, the other end ground connection of the first capacitance C1, the
The base stage of one triode Q1 is connect with the collector of one end of the 4th resistance R4 and the second triode Q2 respectively, the 4th resistance R4's
The other end is grounded, the emitter of the first triode Q1 respectively with one end of first resistor R1, one end of 3rd resistor R3, the second electricity
The one end for holding C2 is connected with voltage output end Vo, the other end of first resistor R1 respectively with the anode of the first zener diode D1,
A fixing end of the emitter of second triode Q2 and the second potentiometer RP2 connect, the cathode of the first zener diode D1 and
Another fixing end of second potentiometer RP1 is grounded, and the sliding end of the second potentiometer RP1 connects with the base stage of third transistor Q3
It connecing, the base stage of the second triode Q2 is connect with the collector of the other end of 3rd resistor R3 and third transistor Q3 respectively, and second
The other end of capacitance C2 is grounded.
The power module 4 is relative to the power pack in traditional safety-protection system, and the component used is less, circuit structure
It is relatively simple, due to saving some components, hardware cost can be thus reduced, the 4th resistance R4 is for carrying out current limliting guarantor
Shield, therefore the safety and reliability of circuit is higher.It is noted that in the present embodiment, the resistance value of the 4th resistance R4 is 48k
Ω, certainly, in practical applications, the resistance value of the 4th resistance R4 can adjust accordingly as the case may be.The power module 4
Voltage 5V can be converted into the 15V of DC power supply VCC between 12V, by the second potentiometer RP2 realize output voltage can
It adjusts, it is very easy to use.
It is noted that in the present embodiment, the first triode Q1, the second triode Q2 and third transistor Q3 are
NPN type triode.Certainly, in practical applications, the first triode Q1, the second triode Q2 and third transistor Q3 can also be equal
For PNP type triode, but at this moment the structure of circuit also will accordingly change.
In the present embodiment, which further includes third capacitance C3, one end of third capacitance C3 and the first triode Q1
Base stage connection, the other end of third capacitance C3 connect with the collector of the second triode Q2.Third capacitance C3 is coupled capacitor,
For preventing the interference between the first triode Q1 and the second triode Q2, to further enhance the safety of circuit and reliable
Property.It is noted that in the present embodiment, the capacitance of third capacitance C3 is 380pF, certainly, in practical applications, third electricity
Holding the capacitance of C3 can adjust accordingly as the case may be.
In the present embodiment, which further includes the 4th capacitance C4, one end of the 4th capacitance C4 and the second triode Q2
Base stage connection, the Q3 collectors of the other end of the 4th capacitance C4 and third transistor connect.4th capacitance C4 is coupled capacitor,
For preventing the interference between the second triode Q2 and third transistor Q3, further to enhance the safety of circuit and reliable
Property.It is noted that in the present embodiment, the capacitance of the 4th capacitance C4 is 420pF, certainly, in practical applications, the 4th electricity
Holding the capacitance of C4 can adjust accordingly as the case may be.
In the present embodiment, which further includes the second diode D2, the anode of the second diode D2 and the one or three pole
The emitter of pipe Q1 connects, and the cathode of the second diode D2 is connect with voltage output end Vo.Second diode D2 is two pole of current limliting
Pipe carries out current-limiting protection, to further enhance current limitation effect for the emitter current to the first triode Q1.It is worth mentioning
It is that in the present embodiment, the model S-183T of the second diode D2, certainly, in practical applications, the second diode D2 can also
There is the diode of similar functions using other models.
In short, in the present embodiment, control can be facilitated using intelligent security guard APP, the power module 4 is relative to traditional security protection
Power pack in system, the component used is less, and circuit structure is relatively simple, due to saving some components, this
Sample can reduce hardware cost.Current-limiting resistance is equipped in the power module 4, therefore the safety and reliability of circuit is higher.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (7)
1. a kind of intelligent safety and defence system, which is characterized in that including master controller, mobile terminal, wireless communication module, power supply mould
Block, flame sensor, smoke sensor device, Temperature Humidity Sensor, audible-visual annunciator, status indicator lamp and infrared sensor of the human body,
Intelligent security guard APP is installed, the mobile terminal passes through the wireless communication module and the main control in the mobile terminal
Device connects, the power module, flame sensor, smoke sensor device, Temperature Humidity Sensor, audible-visual annunciator, status indicator lamp
It is connect with the master controller with infrared sensor of the human body;
The power module includes DC power supply, the first capacitance, the first triode, the 4th resistance, first resistor, the two or three pole
Pipe, the first zener diode, the second potentiometer, 3rd resistor, third transistor, the second capacitance and voltage output end are described straight
Galvanic electricity source is connect with the collector of one end of first capacitance and the first triode respectively, another termination of first capacitance
The base stage on ground, first triode is connect with the collector of one end of the 4th resistance and the second triode respectively, described
The other end of 4th resistance is grounded, the emitter of first triode respectively with one end of the first resistor, 3rd resistor
One end, the second capacitance one end connected with voltage output end, the other end of the first resistor respectively with first voltage stabilizing
One fixing end of the anode of diode, the emitter of the second triode and the second potentiometer connects, two pole of the first voltage stabilizing
Another fixing end of the cathode of pipe and the second potentiometer is grounded, sliding end and the three or three pole of second potentiometer
The base stage of pipe connects, the base stage of second triode current collection with the other end of the 3rd resistor and third transistor respectively
Pole connects, and the resistance value of the other end ground connection of second capacitance, the 4th resistance is 48k Ω.
2. intelligent safety and defence system according to claim 1, which is characterized in that the power module further includes third capacitance,
One end of the third capacitance is connect with the base stage of first triode, the other end of the third capacitance and the described 2nd 3
The collector of pole pipe connects, and the capacitance of the third capacitance is 380pF.
3. intelligent safety and defence system according to claim 2, which is characterized in that the power module further includes the 4th capacitance,
One end of 4th capacitance is connect with the base stage of second triode, the other end and the described 3rd 3 of the 4th capacitance
The collector of pole pipe connects, and the capacitance of the 4th capacitance is 420pF.
4. intelligent safety and defence system according to claim 3, which is characterized in that the power module further includes the two or two pole
Pipe, the anode of second diode are connect with the emitter of first triode, the cathode of second diode and institute
State voltage output end connection, the model S-183T of second diode.
5. intelligent safety and defence system according to any one of claims 1 to 4, which is characterized in that first triode,
Two triodes and third transistor are NPN type triode.
6. intelligent safety and defence system according to any one of claims 1 to 4, which is characterized in that the wireless communication module
For bluetooth module, WIFI module, gsm module, GPRS module, CDMA module, CDMA2000 modules, WCDMA modules, TD-SCDMA
Module, Zigbee module or LoRa modules.
7. intelligent safety and defence system according to any one of claims 1 to 4, which is characterized in that the mobile terminal is intelligence
It can mobile phone, tablet computer or PDA.
Priority Applications (1)
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CN201810864725.3A CN108806178A (en) | 2018-08-01 | 2018-08-01 | Intelligent safety and defence system |
Applications Claiming Priority (1)
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---|---|---|---|
CN201810864725.3A CN108806178A (en) | 2018-08-01 | 2018-08-01 | Intelligent safety and defence system |
Publications (1)
Publication Number | Publication Date |
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CN108806178A true CN108806178A (en) | 2018-11-13 |
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ID=64078908
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CN201810864725.3A Pending CN108806178A (en) | 2018-08-01 | 2018-08-01 | Intelligent safety and defence system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109272785A (en) * | 2018-11-20 | 2019-01-25 | 安徽奕甲文化传媒有限责任公司 | Long-distance educational system |
CN109345811A (en) * | 2018-11-20 | 2019-02-15 | 安徽奕甲文化传媒有限责任公司 | Exhibition system based on Streaming Media |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204695494U (en) * | 2015-06-16 | 2015-10-07 | 安庆师范学院 | Based on the dormitory safety-protection system of GSM |
CN107102625A (en) * | 2017-05-05 | 2017-08-29 | 苏州爱微礼网络科技有限公司 | Intelligent household management system |
CN107103723A (en) * | 2017-05-05 | 2017-08-29 | 苏州爱微礼网络科技有限公司 | Intelligent household security system |
-
2018
- 2018-08-01 CN CN201810864725.3A patent/CN108806178A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204695494U (en) * | 2015-06-16 | 2015-10-07 | 安庆师范学院 | Based on the dormitory safety-protection system of GSM |
CN107102625A (en) * | 2017-05-05 | 2017-08-29 | 苏州爱微礼网络科技有限公司 | Intelligent household management system |
CN107103723A (en) * | 2017-05-05 | 2017-08-29 | 苏州爱微礼网络科技有限公司 | Intelligent household security system |
Non-Patent Citations (1)
Title |
---|
赵卫国: "《电工技术基础实践与应用》", 31 January 2017 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109272785A (en) * | 2018-11-20 | 2019-01-25 | 安徽奕甲文化传媒有限责任公司 | Long-distance educational system |
CN109345811A (en) * | 2018-11-20 | 2019-02-15 | 安徽奕甲文化传媒有限责任公司 | Exhibition system based on Streaming Media |
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Application publication date: 20181113 |