CN112564759B - Relay forwarding system compatible with digital and analog - Google Patents
Relay forwarding system compatible with digital and analog Download PDFInfo
- Publication number
- CN112564759B CN112564759B CN201910918134.4A CN201910918134A CN112564759B CN 112564759 B CN112564759 B CN 112564759B CN 201910918134 A CN201910918134 A CN 201910918134A CN 112564759 B CN112564759 B CN 112564759B
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- relay
- relay unit
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- 238000001514 detection method Methods 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Alarm Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to a digital-analog compatible relay forwarding system, which comprises a control center, a control unit and a POI (point of interest), wherein the control center is connected with the relay unit through the control unit, the relay unit is connected with the POI, and the relay unit is used for forwarding digital and analog signals. Compared with the prior art, the invention has the following advantages: the two working modes of analog and digital can realize the advantages of long distance and information transmission between different layers.
Description
Technical Field
The invention relates to the field of fire protection introducing systems, in particular to a digital-analog compatible relay forwarding system.
Background
In recent years, underground works such as underground railways, tunnels and the like are continuously constructed, and high-frequency signals have great transmission loss when penetrating the earth surface and entering the ground. Thus, wireless communications face new challenges. Public wireless communication such as GSM and CDMA has covered the interior of a subway by an introduction system, which greatly facilitates our lives, but fire protection introduction systems which are closely related to our life and property safety still have many problems.
The existing fire-fighting introducing system is mostly a conventional analog dedicated channel system, adopts the same-frequency simplex intercom communication mode, and introduces the ground link signals into the ground in a centralized introducing mode. For underground firefighters, long distance or communication between different underground layers can only be achieved through manual conversion, and the function of forwarding relay is lacking. Therefore, underground firefighters cannot communicate timely to know the situation after encountering emergency, and rescue efficiency is greatly affected.
A relay forwarding system compatible with digital and analog is provided, after a relay function is started, a received message can be immediately forwarded, and therefore communication between different layers is achieved. Meanwhile, the method supports the forwarding of digital and analog signals, and improves the compatibility of the system.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a relay forwarding system compatible with digital and analog.
The aim of the invention can be achieved by the following technical scheme:
the system comprises a control center, a control unit and a POI (point of interest), wherein the control center is connected with the relay unit through the control unit, the relay unit is connected with the POI, and the relay unit is used for realizing the forwarding of digital and analog signals.
Preferably, the control center is connected with the control unit through a network port or a serial port and is communicated with the control unit in a UDP mode, so that center remote monitoring is realized.
Preferably, the control unit monitors the relay unit through the interface to obtain status information of the relay unit, where the status information includes: whether the relay unit is on, whether the message is being received/forwarded, the power supply condition of the equipment, whether the transmitting power is met and whether the link is normal.
Preferably, the interface includes a GPIO interface, a USB interface, and an ethernet port.
Preferably, the control unit comprises a network module, a control module, a detection module and a touch display module, and the control module is respectively connected with the network module, the detection module and the touch display module.
Preferably, the control center is in communication connection with the network module, so as to realize the relay function of remotely switching on/off the relay unit.
Preferably, the touch display module adopts a touch screen for displaying the state of the relay unit in real time.
Preferably, the touch display module is used for realizing a relay function of locally switching on/off the relay unit.
Preferably, the detection module is connected with the relay unit and is used for detecting the state information of the relay unit.
Compared with the prior art, the invention has the following advantages:
1. the two working modes of analog and digital are compatible;
2. the relay function can be controlled to be turned on/off locally or remotely according to the fire rescue requirement;
3. information transmission between a long distance and different layers can be realized, and the information transmission distance is greatly increased;
4. the state of the relay unit can be monitored and displayed in real time.
Drawings
Fig. 1 is a schematic diagram of a system structure according to the present invention.
Fig. 2 is a schematic diagram of the control unit structure of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
As shown in fig. 1, the system comprises a control center, a control unit and a POI (the POI represents a handheld station, and a signal sent by the handheld station when communicating is forwarded by the relay station), and further comprises a relay unit, wherein the control center is connected with the relay unit through the control unit, the relay unit is connected with the POI, and the relay unit is used for forwarding digital and analog signals.
The control center is connected with the control unit through a network port or a serial port and is communicated with the control unit in a UDP mode, so that center remote monitoring is realized, and the control center adopts a server.
The control unit monitors the relay unit through the interface so as to acquire the state information of the relay unit, wherein the state information comprises the following components: whether the relay unit is on, whether the message is being received/forwarded, the power supply condition of the equipment, whether the transmitting power is met and whether the link is normal.
The interface comprises a GPIO interface, a USB interface and an Ethernet port.
As shown in fig. 2, the control unit includes a network module, a control module, a detection module and a touch display module, where the control module is connected to the network module, the detection module and the touch display module respectively, and the control module adopts a SAM-U3300A industrial personal computer, includes 2 network ports, and leads out a plurality of available network ports through a switch chip; the touch display module adopts a Di-Wen DGUS screen; the detection module is used for carrying out radio frequency detection after the radio frequency of the relay unit is introduced and passed through the directional coupler, and respectively detecting the forward power and the reverse power of the relay unit, and adopts a MAX4003 chip.
The control center realizes the relay function of remotely opening/closing the relay unit by communicating with the network module.
The touch display module is used for displaying the state of the relay unit in real time and realizing the relay function of locally opening/closing the relay unit.
After the relay function of the relay unit in the system is started, when firefighters call through the handheld station, the relay equipment can automatically forward, so that the underground firefighters can call in long distance or between different underground layers.
While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (8)
1. The system comprises a control center, a control unit and a POI, wherein the POI is a handheld station, and is characterized by further comprising a relay unit, the control center is connected with the relay unit through the control unit, the relay unit is connected with the POI, and the relay unit is used for realizing the forwarding of digital and analog signals; the control unit comprises a network module, a control module, a detection module and a touch display module, and the control module is respectively connected with the network module, the detection module and the touch display module.
2. The digital-analog compatible relay forwarding system according to claim 1, wherein the control center is connected with the control unit through a network port or a serial port and communicates with the control unit through a UDP mode, so as to realize remote monitoring of the center.
3. The system of claim 1, wherein the control unit monitors the relay unit through the interface to obtain status information of the relay unit, the status information comprising: whether the relay unit is started, whether the message is being received or forwarded, the power supply condition of the equipment, whether the transmitting power is met and whether the link is normal.
4. A digital-to-analog compatible relay system according to claim 3 wherein said interfaces comprise GPIO interfaces, USB interfaces and ethernet ports.
5. The system of claim 1, wherein the control center is communicatively connected to the network module for remotely switching on or off the relay function of the relay unit.
6. The digital-analog compatible relay forwarding system according to claim 1, wherein the touch display module is a touch screen, and is configured to display the state of the relay unit in real time.
7. The system of claim 1, wherein the touch display module is configured to implement a relay function of locally turning on or off a relay unit.
8. The system of claim 1, wherein the detection module is connected to the relay unit, and is configured to introduce the radio frequency of the relay unit and perform radio frequency detection after passing through the directional coupler, so as to detect the forward power and the reverse power of the relay unit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910918134.4A CN112564759B (en) | 2019-09-26 | 2019-09-26 | Relay forwarding system compatible with digital and analog |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910918134.4A CN112564759B (en) | 2019-09-26 | 2019-09-26 | Relay forwarding system compatible with digital and analog |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112564759A CN112564759A (en) | 2021-03-26 |
| CN112564759B true CN112564759B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910918134.4A Active CN112564759B (en) | 2019-09-26 | 2019-09-26 | Relay forwarding system compatible with digital and analog |
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| Country | Link |
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| CN (1) | CN112564759B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7525933B1 (en) * | 2005-11-30 | 2009-04-28 | At&T Intellectual Property Ii, L.P. | System and method for mobile ad hoc network |
| CN102405682A (en) * | 2009-02-02 | 2012-04-04 | 亚州大学校产学协力团 | Apparatus and method for relaying multiple links in a communication system |
| CN203039716U (en) * | 2012-12-03 | 2013-07-03 | 广东天波信息技术股份有限公司 | Unified communication apparatus |
| CN103687251A (en) * | 2014-01-08 | 2014-03-26 | 武汉科技大学 | Intelligent illumination control system on basis of EnOcean and control method thereof |
-
2019
- 2019-09-26 CN CN201910918134.4A patent/CN112564759B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7525933B1 (en) * | 2005-11-30 | 2009-04-28 | At&T Intellectual Property Ii, L.P. | System and method for mobile ad hoc network |
| CN102405682A (en) * | 2009-02-02 | 2012-04-04 | 亚州大学校产学协力团 | Apparatus and method for relaying multiple links in a communication system |
| CN203039716U (en) * | 2012-12-03 | 2013-07-03 | 广东天波信息技术股份有限公司 | Unified communication apparatus |
| CN103687251A (en) * | 2014-01-08 | 2014-03-26 | 武汉科技大学 | Intelligent illumination control system on basis of EnOcean and control method thereof |
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| CN112564759A (en) | 2021-03-26 |
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