CN219811145U - GSM-R repeater moving ring monitoring unit - Google Patents
GSM-R repeater moving ring monitoring unit Download PDFInfo
- Publication number
- CN219811145U CN219811145U CN202320969388.0U CN202320969388U CN219811145U CN 219811145 U CN219811145 U CN 219811145U CN 202320969388 U CN202320969388 U CN 202320969388U CN 219811145 U CN219811145 U CN 219811145U
- Authority
- CN
- China
- Prior art keywords
- module
- monitoring unit
- gsm
- repeater
- power supply
- Prior art date
- 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.)
- Active
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 73
- 238000004891 communication Methods 0.000 claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 8
- 239000000779 smoke Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 2
- 238000010295 mobile communication Methods 0.000 claims 1
- 239000013307 optical fiber Substances 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Alarm Systems (AREA)
Abstract
The utility model relates to a dynamic ring monitoring unit of a GSM-R repeater, wherein the monitoring unit is respectively connected with a remote machine of the GSM-R repeater and external power supply, the monitoring unit is arranged in the remote machine or outside the remote machine, the monitoring unit comprises a singlechip, an uplink communication interface, a memory chip, a serial port bidirectional automatic level conversion module, an on-board temperature and humidity sensor, a fan control and state monitoring circuit, an operation state indication and fault warning lamp, a dial switch and a power supply module, wherein the uplink communication interface is respectively connected with the remote machine of the GSM-R repeater, and the power supply module is connected with the external power supply. Compared with the prior art, the utility model has the advantages of being suitable for various scenes, convenient for users to use, and the like.
Description
Technical Field
The utility model relates to the field of railway communication power supplies and machine room environment monitoring systems, in particular to a dynamic ring monitoring unit of a GSM-R repeater.
Background
Along with the continuous development of high-speed railways in China, the informatization degree is continuously improved, communication equipment, power supply and machine room environment monitoring equipment of a railway machine room are also increased, and machine room environment equipment (such as a power supply and distribution system, a UPS power supply, an air conditioner, a storage battery, a fire protection system, a security system, a smoke sensing system, a water leakage detection system and the like) must provide a normal running environment for a machine room computer system at any time and any place. Therefore, machine room power environment monitoring is particularly important.
However, in the railway base station room, the holes along the railway and the cabinets along the railway, the dynamic ring monitoring method and means for the communication equipment, the power supply equipment and other equipment are often used simply due to the consideration of construction cost and maintenance, and lack of effective guarantee, so that unnecessary losses are caused because the problems cannot be found in time.
At present, the dynamic ring matched with the GSM-R repeater is mainly used for monitoring in a machine room and a tunnel and along a railway, the GSM-R repeater is a relay device which is used in a railway wireless communication scene, receives a GSM-R radio frequency signal of a base station at a near end, transmits the signal to a far end through an optical fiber and enhances the radio frequency signal at the far end, and the environment condition of the use scene is severe in consideration, so that the matched dynamic ring monitoring device is not only required to be strong in functionality, but also is required to be good in practicality and durability.
The Chinese patent publication No. CN210137325U has been searched for to disclose a GSM-R optical fiber repeater system, the system includes: a near-end machine and a far-end machine; the near-end machine comprises an uplink three-way combiner, a downlink three-way splitter, a GSM-R optical fiber near-end main module, a GSM-R optical fiber near-end standby module, a GSM-R optical fiber near-end slave module and a near-end CWDM module; the remote terminal comprises a GSM-R optical fiber remote terminal main module, a GSM-R optical fiber remote terminal standby module, a GSM-R optical fiber remote terminal slave module, a downlink three-way combiner, a downlink power amplifier, an uplink three-way splitter, an uplink low noise amplifier, a remote terminal CWDM module and a duplexer; however, the mobile ring of the GSM-R repeater cannot be monitored, so how to effectively monitor the mobile ring of the GSM-R repeater is a technical problem to be solved.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the GSM-R repeater ring monitoring unit which is suitable for various scenes and is convenient for users to use.
The aim of the utility model can be achieved by the following technical scheme:
according to one aspect of the utility model, a mobile ring monitoring unit of a GSM-R repeater is provided, the monitoring unit is respectively connected with a remote machine of the GSM-R repeater and external power supply, the monitoring unit is arranged inside the remote machine or outside the remote machine, the monitoring unit comprises a singlechip, an uplink communication interface, a memory chip, a serial port bidirectional automatic level conversion module, an on-board temperature and humidity sensor, a fan control and state monitoring circuit, an operation state indication and fault warning lamp, a dial switch and a power supply module, wherein the uplink communication interface is respectively connected with the remote machine of the GSM-R repeater, and the power supply module is connected with the external power supply.
As the preferable technical scheme, the power supply module comprises an AC/DC power supply module, a first DC/DC module and a second DC/DC module which are sequentially connected, wherein the AC/DC power supply module is connected with external power supply, and the second DC/DC module is connected with the singlechip.
As a preferable technical scheme, the AC/DC power module is a circuit for converting an alternating current input by external power supply into a 12V direct current output;
the first DC/DC module is a circuit for converting a remote-end machine input DC 9-30V input power supply into 5V;
the second DC/DC module is a circuit for converting 5V into 3.3V.
As a preferable technical scheme, the first DC/DC module and the second DC/DC module are provided with diodes for current backflow prevention protection.
As an optimal technical scheme, the SPI bus communication mode of the memory chip is connected with the singlechip.
As a preferred technical solution, the serial port bidirectional automatic level conversion module includes:
the serial port level conversion module MAX3488ESA is arranged between the uplink communication interface and the repeater remote terminal;
the serial port level conversion module MAX485EESA is arranged between the RS485 interface and the singlechip;
the serial level conversion module MAX202EESE is arranged between the RS232 interface and the singlechip.
As an optimal technical scheme, the on-board temperature and humidity sensor is communicated with the singlechip through an I2C bus communication mode.
As an optimal technical scheme, the fan control and state monitoring circuit is communicated with the singlechip through a singlechip digital I/O port and is connected with the fan through an optical coupling isolation mode.
As an optimized technical scheme, the monitoring unit further comprises a high-low level acquisition interface for power supply and signal transmission of the infrared sensor, the door magnetic sensor, the water immersion sensor and the smoke sensor.
As an optimal technical scheme, the running state indication and fault alarm lamp is connected with the singlechip through a lighting control circuit;
the dial switch is a 4-bit state dial switch and is connected with a digital I/O port of the singlechip.
Compared with the prior art, the utility model has the following advantages:
1) The utility model supports internal or external, when the internal space of the repeater remote terminal is rich, the repeater remote terminal can be installed in the remote terminal, and is connected with the uplink communication interface of the movable ring monitoring unit through the internal interface of the remote terminal, and only the repeater remote terminal and various sensors are required to be installed during field application and installation, and the installation of the movable ring monitoring unit is not required to be considered. Simultaneously, also support the external of moving ring monitoring unit, when the sensor type and the quantity that need connect are more and the remote end panel can't provide many interfaces, with moving ring monitoring unit external in the remote end machine, with various sensors connection on moving ring monitoring unit, with moving ring monitoring unit with repeater remote end machine connection can, be applicable to multiple scene.
2) The utility model supports the alternating current power supply of a machine room or the direct current power supply of a repeater remote machine, supports the wide-voltage input during the direct current power supply, can be more suitable and compatible with repeater equipment of different manufacturers or models, and is convenient for users to use;
3) The utility model supports various serial communication modes including RS422, RS485 and RS232, supports switching value acquisition, fan control and state monitoring, can be compatible with various sensors commonly found in the market at present, and has strong compatibility and functionality.
4) The utility model can be applied to the base station machine room environment monitoring, the trackside cabinet environment monitoring, the tunnel portal environment monitoring, the equipment power supply system monitoring, the UPS facility monitoring function and the like, and has the same IP65 protection level and electromagnetic anti-interference capability as a repeater no matter the built-in or the external, thereby meeting the application in the severe environment of the railway industry.
5) The utility model has simple structure, common chips and components used in the circuit, higher overall cost performance and reduced construction cost and maintenance cost.
6) The utility model supports remote upgrade of the on-site installed movable ring monitoring unit through the network management platform, thereby reducing the equipment maintenance cost and relieving the workload of maintenance personnel.
Drawings
FIG. 1 is a schematic diagram of a hardware circuit structure of the present utility model;
fig. 2 is a schematic diagram of the structure of the built-in implementation of the present utility model.
Wherein 1 is a singlechip, 2 is an uplink communication interface, 3 is a memory chip, 4 is a serial port bidirectional automatic level conversion module, 5 is an on-board temperature and humidity sensor, 6 is a fan control and state monitoring circuit, 7 is an operation state indication and fault warning lamp, 8 is a dial switch, 91 is an AC/DC power module, 92 is a first DC/DC module, and 93 is a second DC/DC module.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
Example 1
As shown in fig. 1, a mobile ring monitoring unit of a GSM-R repeater is respectively connected with a remote machine of the GSM-R repeater and external power supply, the monitoring unit comprises a single chip microcomputer 1, an uplink communication interface 2, a memory chip 3, a serial port bidirectional automatic level conversion module 4, an onboard temperature and humidity sensor 5, a fan control and status monitoring circuit 6, an operation status indication and fault warning lamp 7, a dial switch 8 and a power module, wherein the uplink communication interface 2 is connected with the remote machine of the GSM-R repeater, and the power module is connected with the external power supply.
The movable ring monitoring unit can be arranged inside the remote machine (as shown in fig. 2) or outside the remote machine and connected with the remote machine through a communication line and a power line. The utility model has the functions of base station machine room environment monitoring, trackside cabinet environment monitoring, tunnel portal environment monitoring, equipment power supply system monitoring and UPS facility monitoring, and has the same protection level and electromagnetic anti-interference capability as a repeater.
The power supply module comprises an AC/DC power supply module 91, a first DC/DC module 92 and a second DC/DC module 93 which are sequentially connected, wherein the AC/DC power supply module 91 is connected with external power supply, and the second DC/DC module 93 is connected with the single chip microcomputer 1.
The AC/DC power module 91 converts the AC power input by the machine room into 12V DC power, outputs the 12V DC power, and inputs the 12V DC power into the moving ring monitoring unit, and when the repeater remote machine cannot provide the moving ring monitoring unit with DC power, the AC power module is used to provide working voltages for the singlechip, the bus communication module and various sensors in the moving ring monitoring unit;
the first DC/DC module 92 adopts MIC4685WR to convert the input power of 9-30V of the remote terminal into 5V, the wide voltage input can be more suitable for the remote terminals of the repeater with different models, the maximum 3A output current is provided, and the load capacity is stronger;
the second DC/DC module 93 adopts AMS1117-3.3 to convert 5V into 3.3V to supply power to the internal chip, and maximally provides 800mA current. The first DC/DC module 92 and the second DC/DC module 93 use a B340B diode to perform current backflow prevention protection, so as to prevent a power failure problem caused by current backflow when the DC/DC power module is connected with a DC power supply interface or an AC/DC interface of the repeater.
The storage chip 3 is connected with the singlechip 1 in an SPI bus communication mode, and can be used for remote upgrading functions of the movable ring monitoring unit. When an upgrade command sent by the upper computer is received, the storage chip can store a new upgrade package, so that the singlechip can perform upgrade actions to complete remote upgrade.
The serial port bidirectional automatic level conversion module 4 comprises MAX3488ESA, MAX485EESA and MAX202EESE. The serial port level conversion module MAX3488ESA supports an RS422 or RS485 communication mode, is arranged between an uplink communication interface and a repeater remote terminal and is used for communication between a movable ring monitoring unit and the remote terminal interface; the serial port level conversion module MAX485EESA is arranged between the RS485 interface and the singlechip and is used for the movable ring monitoring unit to collect data of an external temperature and humidity sensor, a power module sensor and an alternating current detection sensor; the content that power module sensor gathered mainly includes: input/output voltage, input/output point alarm state, etc.; the serial port level conversion module MAX202EESE is arranged between the RS232 interface and the singlechip and is used for monitoring the communication between the UPS or the module with the RS232 serial port and the movable ring monitoring unit, and the monitoring content of the UPS mainly comprises: the monitoring system can display the states of the UPS and the main switch, and once the UPS power fails, the system sends alarm information. And TVS tubes are added at each serial interface for surge protection.
The on-board temperature and humidity sensor 5 is communicated with the singlechip 1 through an I2C bus communication mode and is used for acquiring and reporting temperature and humidity data in the remote computer or the movable ring monitoring unit to the singlechip 1.
The fan control and state monitoring circuit 6 can output PWM pulse width modulation signals through a single chip microcomputer digital I/O port. The singlechip automatically adjusts the duty ratio and the frequency of the PWM signals to control the rotating speed of the fan to adjust the air quantity according to the temperature and the humidity acquired by the on-board or external temperature and humidity sensor, thereby realizing the function of automatically adjusting the environment temperature of the remote computer, the environmental control detection unit or the computer room computer system. Meanwhile, the PWM signals fed back by the fan are read through the digital I/O port of the singlechip, are converted into fan rotating speed information through analysis and processing, the actual running state of the fan is confirmed, and warning information is reported to a monitoring system when the fan fails or stops running; the PWM control signal is output and collected by adopting an NPN triode and an HMHA2801C for isolation, so that signal interference is effectively prevented.
The monitoring unit also comprises a high-low level acquisition interface for supplying power to the infrared sensor, the door magnetic sensor, the water logging sensor and the smoke sensor and transmitting signals, and the high-low level acquisition interface isolates sensor signals through the HMHA2801C optocoupler and then sends the sensor signals to the singlechip for sampling, so that sensor signal acquisition under signal interference is effectively prevented.
The running state indication and fault alarm lamp 7 is connected with the singlechip 1 through a lighting control circuit 71 and is used for indicating the running state of the movable ring monitoring unit and carrying out fault alarm indication when faults occur, wherein the lighting control circuit 71 comprises a digital I/O port of the singlechip and a triode circuit;
the dial switch 8 is a 4-bit state dial switch, is connected with the digital I/O port of the singlechip 1, and sets the working mode of the current dynamic ring monitoring unit through different states of the dial switch.
While the utility model 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 utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (10)
1. The movable ring monitoring unit of the GSM-R repeater is respectively connected with a remote machine of the GSM-R repeater and external power supply, and is characterized in that the monitoring unit is arranged in the remote machine or outside the remote machine, the monitoring unit comprises a singlechip (1) and an uplink communication interface (2), a memory chip (3), a serial port bidirectional automatic level conversion module (4), an onboard temperature and humidity sensor (5), a fan control and state monitoring circuit (6), an operating state indicating and fault warning lamp (7), a dial switch (8) and a power module, wherein the uplink communication interface (2) is connected with the remote machine of the GSM-R repeater, and the power module is connected with the external power supply.
2. The mobile communication system of claim 1, wherein the power module comprises an AC/DC power module (91), a first DC/DC module (92) and a second DC/DC module (93) which are sequentially connected, the AC/DC power module (91) is connected with an external power supply, and the second DC/DC module (93) is connected with the single chip microcomputer (1).
3. A GSM-R repeater ring monitoring unit according to claim 2, characterized in that said AC/DC power module (91) is a circuit for converting an externally supplied AC power to a 12V DC output;
the first DC/DC module (92) is a circuit for converting a remote input DC 9-30V input power supply into 5V;
the second DC/DC module (93) is a circuit for converting 5V to 3.3V.
4. A GSM-R repeater ring monitoring unit according to claim 3, characterized in that the first DC/DC module (92) and the second DC/DC module (93) are provided with diodes for current backflow protection.
5. The movable ring monitoring unit of the GSM-R repeater according to claim 1, wherein the SPI bus communication mode of the memory chip (3) is connected with the singlechip (1).
6. The mobile ring monitoring unit of a GSM-R repeater according to claim 1, wherein the serial bidirectional automatic level conversion module (4) comprises:
the serial port level conversion module MAX3488ESA is arranged between the uplink communication interface (2) and the repeater remote terminal;
the serial port level conversion module MAX485EESA is arranged between the RS485 interface and the singlechip (1);
the serial level conversion module MAX202EESE is arranged between the RS232 interface and the singlechip.
7. The movable ring monitoring unit of the GSM-R repeater according to claim 1, wherein the on-board temperature and humidity sensor (5) is communicated with the singlechip (1) through an I2C bus communication mode.
8. The mobile ring monitoring unit of a GSM-R repeater according to claim 1, wherein the fan control and status monitoring circuit (6) communicates with the single chip microcomputer (1) through a digital I/O port of the single chip microcomputer and is connected with the fan through an optocoupler isolation mode.
9. The mobile monitoring unit of claim 1, further comprising a high-low level acquisition interface for power supply and signal transmission of the infrared sensor, the magnetic door sensor, the water sensor and the smoke sensor.
10. The movable ring monitoring unit of the GSM-R repeater according to claim 1, wherein the running state indication and fault warning lamp (7) is connected with the singlechip (1) through a lighting control circuit (71);
the dial switch (8) is a 4-bit state dial switch and is connected with a digital I/O port of the singlechip (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320969388.0U CN219811145U (en) | 2023-04-26 | 2023-04-26 | GSM-R repeater moving ring monitoring unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320969388.0U CN219811145U (en) | 2023-04-26 | 2023-04-26 | GSM-R repeater moving ring monitoring unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219811145U true CN219811145U (en) | 2023-10-10 |
Family
ID=88217271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320969388.0U Active CN219811145U (en) | 2023-04-26 | 2023-04-26 | GSM-R repeater moving ring monitoring unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219811145U (en) |
-
2023
- 2023-04-26 CN CN202320969388.0U patent/CN219811145U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103198608B (en) | Railway station signal device fault diagnosis and alarm system | |
| CN201527584U (en) | Airport navigation station indoor environment centralized monitoring front-end acquisition device | |
| CN101093943A (en) | Power feeding equipment in high voltage / supervltage transmission system | |
| CN103036625A (en) | Design method of detecting system for telecontrol remote terminal unit (RTU) and information channel | |
| WO2023197614A1 (en) | Intelligent low-voltage circuit breaker provided with double-core mode | |
| CN106230122A (en) | A kind of power equipment safety monitoring system based on wireless network | |
| CN110061318B (en) | Storage battery cabinet and control method thereof | |
| CN219811145U (en) | GSM-R repeater moving ring monitoring unit | |
| CN211063537U (en) | Direct-current remote power supply for long-distance tunnel | |
| CN210840077U (en) | Intelligent monitoring short message gateway device | |
| CN201654548U (en) | Intelligent simulation screen system of transformer substation | |
| CN209028432U (en) | A kind of intelligent control box | |
| CN116382174A (en) | GSM-R repeater moving ring monitoring unit and monitoring method thereof | |
| CN218386941U (en) | Railway base station equipment integration management and control system | |
| CN214675178U (en) | Dry contact point warning system for auxiliary monitoring of machine room | |
| CN211698656U (en) | Safe operation and maintenance module and intelligent compact shelf applying same | |
| CN210442679U (en) | Air brake control system based on PLC and data bus technology | |
| CN108986442B (en) | Radio monitoring operation management device | |
| CN214278684U (en) | Remote variable frequency controller based on 4G transmission technology | |
| CN102478616A (en) | Intelligent overhead line failure alarm with self-adaptive function | |
| CN107357199B (en) | Electric power operation and maintenance system | |
| CN211702035U (en) | Control system for digital optical fiber repeater | |
| CN217845248U (en) | Multifunctional circulation monitoring device | |
| CN214380709U (en) | Extensible remote variable frequency controller | |
| CN110554609A (en) | Dynamic loop monitoring collector and dynamic loop monitoring collection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |