CN114511986A - Built-in ring motion monitoring module of GSM-R repeater - Google Patents
Built-in ring motion monitoring module of GSM-R repeater Download PDFInfo
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- CN114511986A CN114511986A CN202111646352.0A CN202111646352A CN114511986A CN 114511986 A CN114511986 A CN 114511986A CN 202111646352 A CN202111646352 A CN 202111646352A CN 114511986 A CN114511986 A CN 114511986A
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- 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
- G08B25/08—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 communication transmission lines
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Abstract
The invention provides a built-in ring motion monitoring module of a GSM-R repeater, which is characterized in that: the intelligent door control system comprises an MCU module, a power supply module, an alternating current voltage detection circuit, an entrance guard water immersion smoke sensor, an analog temperature and humidity sensor, external equipment and a digital temperature and humidity sensor, wherein the power supply module, the alternating current voltage detection circuit, the entrance guard water immersion smoke sensor, the analog temperature and humidity sensor, the external equipment and the digital temperature and humidity sensor are connected with the MCU module. The invention has the functions of tunnel cavern environment monitoring, equipment power supply system monitoring in the tunnel, video monitoring in the tunnel and UPS facility monitoring in the tunnel, and has the same protection level and electromagnetic anti-interference capability as the repeater.
Description
Technical Field
The invention relates to the field of railway communication power supply and machine room environment monitoring systems, in particular to a built-in ringing monitoring module of a GSM-R repeater.
Background
With the continuous development and growth of high-speed railways in China and the continuous improvement of informatization degree, communication equipment and environmental equipment (such as a power supply and distribution system, a UPS (uninterrupted power supply), an air conditioner, a fire protection system, a security system, a water leakage detection system and the like) of a railway machine room are increased day by day, and normal operation environment must be provided for a computer system at any moment. Therefore, the monitoring of the power environment of the machine room is particularly important. Larger machine room centers are planned and added with more complex dynamic environment monitoring systems. However, in the tunnel along the railway, because the construction cost and maintenance are considered, the moving loop monitoring of the equipment such as the communication equipment, the power supply equipment and the like in the tunnel is simpler, and effective guarantee is lacked. At present, the monitoring is mainly carried out through a moving ring matched with the repeater in the tunnel, the severe environment condition in the tunnel is considered, the requirement on the moving ring is never only strong in functionality, and the practicability and the durability are further required.
Disclosure of Invention
The invention provides a built-in ring motion monitoring module of a GSM-R repeater for solving the problems of the prior art, which has the functions of tunnel chamber environment monitoring, equipment power supply system monitoring in a tunnel, video monitoring in the tunnel and UPS facility monitoring in the tunnel, and has the same protection level and electromagnetic anti-interference capability as the repeater.
The invention provides a built-in circulation monitoring module of a GSM-R repeater, which comprises an MCU module, a power supply module, an alternating current voltage detection circuit, an entrance guard water immersion smoke sensor, an analog temperature and humidity sensor, external equipment and a digital temperature and humidity sensor, wherein the power supply module, the alternating current voltage detection circuit, the entrance guard water immersion smoke sensor, the analog temperature and humidity sensor, the external equipment and the digital temperature and humidity sensor are connected with the MCU module. The MCU module adopts LPC 1768.
The power supply module comprises a DC-DC module TPS5420, a DC-DC module LDO AMS1117 and an isolation optocoupler input end, wherein the DC-DC module TPS5420 converts an external 9V input power supply into 5V to provide 2A output current to the maximum extent, and the DC-DC module LDO AMS1117 converts 5V into 3.3V to supply power to an internal chip and provide 800mA current to the maximum extent; the alternating voltage detection circuit divides alternating voltage into small alternating voltage signals through a voltage dividing resistor, and alternating current collection is carried out through a voltage collection port of the electric energy metering chip BL 0940; the external equipment is a UPS, the UPS is connected with the MCU module through an RS232 interface, and a bidirectional automatic level conversion chip is arranged between the RS232 interface and the MCU module.
The optical coupling isolation end comprises an isolation power supply B0505S-1WR2 and an isolation power supply B0505S-1WR3, wherein the isolation power supply B0505S-1WR2 supplies 200mA current to the maximum extent, the ripple is 150mv to the maximum extent, the isolation power supply B0505S-1WR3 ripple is 75mv to the maximum extent, the isolation voltage can reach 3000VDC, and the insulation resistance is 1000M.
The alternating voltage detection circuit is provided with an optical coupling isolation, a voltage dependent resistor and a high-voltage capacitor.
The entrance guard's water logging smoke transducer by the power supply of 9V, the sensor signal is the switching value signal, send to the sampling of MCU module after keeping apart through the opto-coupler.
The RS232 interface uses a TVS tube to protect against surge.
The digital temperature and humidity sensor communication adopt an RS485 interface for collection, a TVS (transient voltage suppressor) tube and a dial switch are additionally arranged on the RS485 interface, the TVS tube carries out surge protection, and the dial switch selects a 120-ohm terminal resistor for impedance matching.
The camera is communicated with the MCU module through the Ethernet, the PHY chip DP83848IVV is adopted in the Ethernet communication, and the self-adaptive 10M/100M switching and automatic MDI-MDIX are supported.
The power module and each communication interface are provided with corresponding patch indicating lamps, and the operation lamp and the fault lamp are packaged by using plug-in units and patches.
The invention has the beneficial effects that:
1. monitoring the environment of the tunnel cavern; the tunnel environment monitoring system mainly monitors tunnel interior cave environment including water immersion hazard, fire smoke, abnormal temperature and humidity and entrance guard, provides reliable monitoring alarm reporting when no person is in a punctual state, and feeds back field environment information in time.
2. Monitoring a power supply system of equipment in the tunnel; the monitoring of the alternating current power supply voltage can be realized, the fault alarm reporting is carried out on the abnormal voltage, and the normal power supply operation of the field device is effectively guaranteed.
3. Monitoring video in the tunnel; the advanced video technology is adopted to realize professional tunnel monitoring, realize timely control of the site, and enable the construction site, progress and personnel conditions to be displayed in the network management center timely and accurately, so that managers can master the progress conditions of different sites at any time and any place. The working efficiency is effectively improved, and the related cost of visiting the scene everywhere is saved. The video monitoring of the tunnel follows the principles of advanced technology, complete functions and stable performance, and factors such as construction cost and maintenance cost are comprehensively considered.
4. Monitoring UPS facilities in the tunnel; the main monitoring targets of the ac power include (voltage, current, frequency, operation status, fault condition), etc. The monitoring objects of UPS mainly include (input and output voltage, current, frequency, power factor, battery status, bypass status of UPS device); the monitoring system can display the information about the operation state of the UPS and the main switch thereof, and once the components of the UPS fail or the parameters exceed the set scope, the system can immediately give an alarm. The main monitoring objects of the storage battery comprise the voltage, the temperature and the current of the storage battery under the static state, the discharging state and the uniform charging state, and if the voltage is too low, the monitoring system can give an alarm.
5. The system has IP65 level protection and stronger electromagnetic anti-interference capability; the module is installed inside the repeater and has the same protection level and electromagnetic anti-interference capability as the repeater.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of a hardware architecture of a ringing monitoring module.
Fig. 2 is a working principle diagram.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a built-in circulation monitoring module of a GSM-R repeater, which comprises an MCU module, a power supply module, an alternating current voltage detection circuit, an entrance guard water immersion smoke sensor, an analog temperature and humidity sensor, external equipment and a digital temperature and humidity sensor, wherein the power supply module, the alternating current voltage detection circuit, the entrance guard water immersion smoke sensor, the analog temperature and humidity sensor and the digital temperature and humidity sensor are connected with the MCU module. One specific embodiment of the invention has the dimensions: 90mm 100mm, through the screw hole direct fixation inside repeater machine case.
1. The ring motion monitoring module adopts 9V power supply, converts 9V input into 5V through inside DC-DC module TPS5420, can provide 2A output current to the maximum, and the power supply of isolation opto-coupler input adopts isolation power supply B0505S-1WR2, can provide 200mA electric current to the maximum, and the ripple is 150mv at the maximum, and the isolation side equipment that requires not high to the ripple can use this power. Meanwhile, 5V is converted into 3.3V by using the LDO AMS1117 in the module, power is supplied to internal chips such as an MCU, and 800mA current can be provided to the maximum. The two-way alternating current and direct current adopt the isolation design, use isolation power B0503S-1WR3 power supply, the biggest ripple 75 mv. The isolation voltage can reach 3000VDC, and the insulation resistance is 1000M.
2. The alternating voltage detection circuit divides alternating voltage into small alternating voltage signals through the voltage dividing resistor, alternating current collection is carried out through a voltage collection port of the electric energy metering chip BL0940, the BL0940 chip has the advantages that batch gain error is smaller than 1%, the peripheral sampling resistor is used by 0.1%, calibration is avoided, and meanwhile, the chip is low in temperature drift and temperature compensation is not needed. The collection voltage data is output through an SPI interface, optical coupling isolation is added, and high isolation can be achieved. In order to meet EMC requirements, a piezoresistor and a high-voltage capacitor can be added for voltage limiting protection.
3. Entrance guard's water logging smoke transducer is supplied power by 9V, and the sensor signal is the switching value signal, sends to MCU sampling after accessible opto-coupler keeps apart, interference when avoiding the state switch.
4. The analog temperature and humidity sensor is used for analog voltage input, and can be isolated and amplified by an operational amplifier and then sent to the MCU for sampling.
5. UPS is system peripheral equipment, and in order to satisfy the EMC requirement, the communication interface adopts and keeps apart RS232 interface chip, uses TVS pipe to carry out the protection of surge simultaneously. The isolation chip supplies power for 5V and the interface level is 5V, so that a chip for mutual conversion between 3.3V and 5V is required to be added for communication with the MCU, and the TXB0102 bidirectional automatic level conversion chip can be adopted to complete level conversion.
6. The communication of digital temperature and humidity sensor adopts the RS485 interface to gather, and the 485 interface increases the protection that TVS pipe carried out the surge. And a dial switch is added, and a 120-ohm terminal resistor can be selected for impedance matching.
7. The camera passes through ethernet and communicates with the module, and the ethernet communication adopts PHY chip DP83848IVV, and auto transformer saves space is chooseed for use to RJ45, from taking the communication pilot lamp, but monitoring ethernet is connected and communication state. The chip supports self-adaptive 10M/100M switching and automatic MDI-MDIX.
8. The power supply and the communication interface are provided with corresponding patch indicating lamps, so that troubleshooting is facilitated, the plug-in and the patch package are used for the operation and fault lamps simultaneously, and the requirements of an external indicating lamp and an onboard indicating lamp can be met simultaneously.
9. Working temperature range of the circulating module: -40 ℃ to +55 ℃, relative humidity: 95%/40 ℃.
The system has the following advantages:
1. the railway line repeater, the base station RRU and other equipment are supported to use, and the compatibility is high;
2. the repeater has strong anti-interference capability, and has the electromagnetic interference protection capability of the same specification as that of a repeater product because the repeater is arranged in a communication equipment case;
3. the equipment protection meets the IP65 standard, all external interfaces adopt waterproof aviation connectors, the environmental adaptability is strong, and the use in the environment of-40 ℃ to 55 ℃ is supported;
4. the equipment cost is low, the centralization degree is high, the control mainboard is internally integrated, and the disassembly and the maintenance are convenient;
5. the network management is supported to realize the remote program upgrading function of the system by utilizing the Ethernet interface, and the maintenance workload of the engineering field is reduced.
The working principle of the invention is shown in figure 2:
the ring-motion monitoring module is communicated with the repeater by adopting an Ethernet protocol and is installed inside a repeater case and directly connected through a standard network cable.
The circulation monitoring module is connected with the UPS equipment, and supports data sampling, alarm reporting, remote regulation and control and the like of the UPS by using an RS232 protocol.
The circular motion monitoring module is connected with the sensor, supplies power to the sensor and uploads various acquired data of the sensor at the same time, and the sensor types comprise door magnetism, smoke detection, temperature and humidity and water immersion, and the sensor supports two modes of analog quantity and RS 485;
the ring motion monitoring module is connected with the storage battery through the protocol adapter plate, and the storage battery data acquisition plate acquires data such as battery voltage, internal resistance and the like and converts the data into an RS485 protocol through the protocol adapter plate to communicate with the moving ring. After data are acquired by the dynamic ring, the data are analyzed and processed through software of the dynamic ring, and are reported according to a specific mechanism, so that the conventional lead-acid and the latest lithium iron phosphate battery are supported;
the ring motion monitoring module is mainly communicated with the camera monitoring through an Ethernet protocol, the maximum 5 cameras can be supported to be added, and a universal Haikang SDK protocol is adopted.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the apparatus embodiment, the above is only a preferred embodiment of the present invention, and since it is basically similar to the method embodiment, it is described simply, and the relevant points can be referred to the partial description of the method embodiment. The above description is only for the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the protection scope of the present invention should be covered by the principle of the present invention without departing from the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A built-in ring-motion monitoring module of a GSM-R repeater is characterized in that: the power supply module comprises a DC-DC module TPS5420, a DC-DC module LDO AMS1117 and an isolation optocoupler input end, wherein the DC-DC module TPS5420 converts an external 9V input power into 5V and provides 2A output current to the maximum extent, the DC-DC module LDO AMS1117 converts the 5V into 3.3V to supply power to an internal chip and provide 800mA current to the maximum extent; the alternating voltage detection circuit divides alternating voltage into small alternating voltage signals through a voltage dividing resistor, and alternating current collection is carried out through a voltage collection port of the electric energy metering chip BL 0940; the external equipment is a UPS, the UPS is connected with the MCU module through an RS232 interface, and a bidirectional automatic level conversion chip is arranged between the RS232 interface and the MCU module.
2. The GSM-R repeater built-in ringing monitoring module of claim 1, characterized in that: the optical coupling isolation end comprises an isolation power supply B0505S-1WR2 and an isolation power supply B0505S-1WR3, wherein the isolation power supply B0505S-1WR2 supplies 200mA current to the maximum extent, the ripple is 150mv to the maximum extent, the isolation power supply B0505S-1WR3 ripple is 75mv to the maximum extent, the isolation voltage can reach 3000VDC, and the insulation resistance is 1000M.
3. The GSM-R repeater built-in ringing monitoring module of claim 1, characterized in that: the alternating voltage detection circuit is provided with an optical coupling isolation, a voltage dependent resistor and a high-voltage capacitor.
4. The GSM-R repeater built-in ringing monitoring module of claim 1, characterized in that: the entrance guard's water logging smoke transducer by the power supply of 9V, the sensor signal is the switching value signal, send to the sampling of MCU module after keeping apart through the opto-coupler.
5. The GSM-R repeater built-in ringing monitoring module of claim 1, characterized in that: the RS232 interface uses a TVS tube to protect against surge.
6. The GSM-R repeater built-in ringing monitoring module of claim 1, characterized in that: the digital temperature and humidity sensor communication adopt an RS485 interface for collection, a TVS (transient voltage suppressor) tube and a dial switch are additionally arranged on the RS485 interface, the TVS tube carries out surge protection, and the dial switch selects a 120-ohm terminal resistor for impedance matching.
7. The GSM-R repeater built-in ringing monitoring module of claim 1, characterized in that: the camera is communicated with the MCU module through the Ethernet, the PHY chip DP83848IVV is adopted in the Ethernet communication, and the self-adaptive 10M/100M switching and automatic MDI-MDIX are supported.
8. The GSM-R repeater built-in ringing monitoring module of claim 1, characterized in that: the power module and each communication interface are provided with corresponding patch indicating lamps, and the operation lamp and the fault lamp are packaged by using plug-in units and patches.
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| CN202111646352.0A CN114511986A (en) | 2021-12-30 | 2021-12-30 | Built-in ring motion monitoring module of GSM-R repeater |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201344605Y (en) * | 2008-08-22 | 2009-11-11 | 上海盈龙电子科技有限公司 | Environmental dynamic monitoring system |
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| CN208314496U (en) * | 2018-02-09 | 2019-01-01 | 广西南宁市淘弘电子科技有限公司 | Machine room power environment monitoring system |
| CN111061200A (en) * | 2019-12-31 | 2020-04-24 | 江苏启泰物联网科技有限公司 | Power environment monitoring device with storage battery management |
| CN213122642U (en) * | 2020-05-09 | 2021-05-04 | 上海平可行智能科技有限公司 | Remote operation and maintenance control system for high-speed toll station |
-
2021
- 2021-12-30 CN CN202111646352.0A patent/CN114511986A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201344605Y (en) * | 2008-08-22 | 2009-11-11 | 上海盈龙电子科技有限公司 | Environmental dynamic monitoring system |
| CN203812070U (en) * | 2014-04-16 | 2014-09-03 | 国网浙江杭州市萧山区供电公司 | Machine room dynamic environment video integrated management system |
| CN203965923U (en) * | 2014-07-16 | 2014-11-26 | 山西云之科技有限公司 | A kind of machine room power environment monitoring system |
| CN207688927U (en) * | 2017-12-26 | 2018-08-03 | 南京泰通科技股份有限公司 | Miniaturization monitoring modular with environmental forces monitoring function |
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| CN111061200A (en) * | 2019-12-31 | 2020-04-24 | 江苏启泰物联网科技有限公司 | Power environment monitoring device with storage battery management |
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