CN101839772B - System for monitoring temperature of coach power cabinet wire connecting terminal - Google Patents
System for monitoring temperature of coach power cabinet wire connecting terminal Download PDFInfo
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- CN101839772B CN101839772B CN2009102544926A CN200910254492A CN101839772B CN 101839772 B CN101839772 B CN 101839772B CN 2009102544926 A CN2009102544926 A CN 2009102544926A CN 200910254492 A CN200910254492 A CN 200910254492A CN 101839772 B CN101839772 B CN 101839772B
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Abstract
The invention discloses a system for monitoring the temperature of a coach power cabinet wire connecting terminal, which is used for testing the temperature of a coach power cabinet wire connecting terminal and mainly comprises a temperature data acquisition extension, a data send host, a train broadcasting wire, a GPRS module, an Internet and a ground monitoring center, wherein the temperature data acquisition extension, the data send host and the ground monitoring center are equipped with corresponding measurement and control software. The invention can monitor the temperature of the coach power cabinet wire connecting terminal, data of a whole train can be checked by any extension set, be subjected to routing inspection by the sender, and be transmit to the ground monitoring center by a GPRS wireless platform. When the temperature of atest point exceeds a designated value, warning information is rapidly transmitted to all the extension sets of the train to give an alarm together and transmitted to the ground monitoring center in time. The invention is suitable for power control cabinets of all coaches.
Description
Technical field the present invention relates to a kind of device of connection terminal temperature survey of passenger vehicle vehicle power cabinet and returning data, specifically, be used for detecting, the temperature of analysis and judgement, storage, passback connection terminal, and can send the device of overtemperature alarm in real time.
Background technology passenger vehicle vehicle power cabinet is the hinge to whole vehicle distribution, and in recent years, facilities such as air-conditioning, electric water boiler, electricity heating are used on vehicle more and more, and developed to high-power direction, and the power that power distribution cabinet is carried also improves thereupon.Because environment is special on the vehicle, the space is little, weak heat-dissipating, and operation vibrations in addition are prone to induce the loosening generation of terminal loose contact,, the connection terminal temperature very easily raises, and is prone to initiation fire when serious.For this reason, railway relevant departments have put into effect some traditional detection method, for example; On connection terminal, twine can temperature-sensitive the temperature-sensitive labeling, 70 ℃, 80 ℃ two temperature zones are arranged above, when surpassing temperature; The corresponding region meeting blackening of labeling; And can not recover--so,, can confirm that the temperature of terminal or was once reaching these temperature values through observing the color of temperature zone; Simultaneously, on rules, require the every interval of operator on duty to patrol and examine once in 2 hours,, take measures so that pinpoint the problems.But these ways and rules all can only adopt manual inspection and discovery afterwards, can not in time pinpoint the problems, and workload are big poor in timeliness.
Summary of the invention
The objective of the invention is to, solve the difficult problem in the monitoring in real time of monitor vehicle power cabinet line end temperature, a kind of novel automated watch-keeping facility is provided, the power cabinet of this device in can itinerant monitor system permutation compartment, record transmits automatically automatically.The train of operation just can send information to the ground monitoring center as long as in the scope of mobile communication, and alert data do not receive the restriction of touring detection, can send to each collector and ground monitoring center immediately fast.
The present invention accomplishes like this: mainly by being made up of temperature data acquisition extension set, data transmission main frame, broadcasting for train line, GPRS module, the Internet, ground monitoring center
Be fixed to the temperature sensor that has special-purpose fastening on the tested connection terminal; Be connected to these temperature sensors the signal terminal of data acquisition extension set again; The data acquisition extension set just can carry out temperature acquisition to these temperature sensors, and the temperature of gathering is carried out fault tolerance judgment, alert detecting.When surpassing the regulation boundary, send warning to data collection host and other data acquisition extension set immediately; When normal condition, accept the inquiry of main frame and extension set.
Data collection host is monitored all data acquisition extension sets in turn, and sends to the data that monitor on the Internet 4 through the GPRS module, again by internet-delivered to the ground monitoring center.
The data collection host data query is gathered extension set, the data acquisition extension set is inquired about each other.The information channel that warning message transmits, use be the program circuit on the train, adopt the high-frequency modulation signal that is different from the broadcast frequency, neither influence broadcasting, it is unimpeded to guarantee that again data transmit.
Multinomial technology such as the present invention has adopted digital temperature sensor, modulating data transmission, time division multiple access (TDMA), patrols and examines automatically, Network Transmission; Warning message at 3 seconds with the interior extension set that can spread all over whole train; Send warning together; Accurately show through display screen, and be delivered to the ground monitoring center through the GPRS wireless platform simultaneously.The present invention is applicable to the vehicle of 110V and 48V direct current supply, can provide the temperature of each connection terminal comprehensively, quantitatively.
Description of drawings
Fig. 1. be the structural drawing of the whole device of present embodiment
Fig. 2. be the structural drawing of present embodiment extension set
Fig. 3. be the structural drawing of present embodiment main frame
Embodiment is below in conjunction with embodiment who adopts the present invention to measure, transmit, report to the police of accompanying drawing narration.
Fig. 1 has shown the structure of the whole device of present embodiment.This device can be installed on many trains.A temperature data acquisition extension set 1 is installed in every joint compartment of each train, and every train of vehicles is installed a main frame 2, a GPRS module 3.The data of all vehicles all send to the Internet 4 through GPRS module 3, by inconstant 5 completion Data Receiving in the control of ground inspection Surveillance center.All there is special software at collector, transmitter, ground monitoring center.
The temperature data in 1 pair of this joint compartment of extension set is gathered, and screens temperature, and whether decision reaches alarm criteria; The temperature data of temperature data acquisition extension set 1 or warning message send on the broadcast wire 9 through after modulating.Be connected the main frame 4 on the broadcast wire 9, receive after the data of ovennodulation, at first carry out the demodulation reduction, send data to GPRS module 3 then, send on the Internet 4, be delivered to ground monitoring center 5 by the Internet 4 through this module.
Many trains all can the installation data acquisition system; All use GPRS module 3 to transmitting data on the Internet; By the data on the 5 intercepting the Internets 4, ground monitoring center, through software module intuitively, show effectively, and realize data management, classification, inquiry and storage data.
Any temperature data acquisition extension set on the same train, the data that can inquire about other extension set.
The time length of cycle detection can be adjusted.But alert data does not receive this time restriction, and any one temperature data acquisition extension set 1 as long as it detects Data Out of Range, when needing to report to the police, can be sent to ground monitoring center 5 and each extension set 1 immediately.
Fig. 2 has shown the structure of present embodiment extension set, mainly is made up of master cpu 11, crystal sinusoidal frequency generator 12, modulator 13, transmitter 14, frequency selector 15, detuner 16, sensor 18, display 17, broadcast wire 9.
By the data in the master cpu 11 collecting temperature sensors 18, and be transformed into high-frequency modulation signal, send to then on the broadcast wire 9 through modulator 3.Crystal sinusoidal frequency generator 12 sends is sinusoidal wave, is used for producing modulated carrier and uses, and guaranteeing to deliver on the broadcast wire 9 is sinusoidal wave, avoids interference miscellaneous equipment.
Extension set 1 not only can send data, also can accept the inquiry that data are sent main frame 2 or its temperature data acquisition extension set 1, and data query gets into frequency selector 8 through broadcast wire 9, gets into master cpu 11 through detuner 16 again.Display 17 is used for showing the temperature data of each measuring point on the extension set, and it has 2 rows to show, last row shows the measuring point numbering, and following row shows corresponding Temperature numerical.Transmitter 14 is combinations of high-frequency transformer and coupling capacitance, and it can be coupled to high-frequency signal on the broadcast wire, can block simultaneously voice signal in the broadcasting again to the interference of transmitter.
Fig. 3 has shown the structure of present embodiment main frame, is made up of master cpu 11, crystal sinusoidal frequency generator 12, modulator 13, transmitter 14, frequency selector 15, detuner 16, GPRS module 3, display 17, broadcast wire 9.
Sent by master cpu 11 and to patrol and examine instruction, instruction is delivered to broadcast wire 9 through modulator 13, and what crystal sinusoidal frequency generator 12 sent is sinusoidal wave, is used for producing modulated carrier and uses, and guaranteeing to deliver on the broadcast wire 9 is sinusoidal wave, avoids interference miscellaneous equipment.Receive the temperature data acquisition extension set 1 meeting return data of query statement, receive the back by frequency selector 15 and get into detuners 16, give master cpu 11 then.After master cpu 11 was sorted out the data preparation that receives, GPRS module 3 was given in timed sending, further is sent on the Internet.Numeral is sent main frame 2 has 2 displays, and 1 is used for showing the information by the inquiry extension set, 1 number of times and coach number of inquiry when being used for showing the inquiry extension set.Because main frame, extension set all carry out data transfer through broadcast wire.The purposes and the annexation of the transmitter in the transmitter 14 here and the extension set are identical.
Claims (5)
1. monitoring temperature of coach power cabinet wire connecting terminal device; Broadcast wire (9) is arranged, it is characterized in that: form temperature data acquisition extension set (1) collecting temperature data by temperature data acquisition extension set (1), data transmission main frame (2), GPRS module (3), the Internet (4), ground monitoring center (5); And send to data on broadcast wire or other connecting line of compartment with high frequency carrier; Send main frame (2) by data and collect data, on the Internet (4) of data through GPRS module (3) transmission, last then; Obtain data by ground monitoring center (5) from the Internet, make demonstration directly perceived.
2. power cabinet connection terminal temperature-detecting device according to claim 1; It is characterized in that: said temperature data acquisition extension set (1), form by master cpu (11), crystal sinusoidal frequency generator (12), modulator (13), transmitter (14), frequency selector (15), detuner (16), temperature sensor (18), display (17); Crystal sinusoidal frequency generator (12) produces modulated carrier; By the data in master cpu (11) the collecting temperature sensor (18), and be transformed into high-frequency modulation signal, send on the broadcast wire (9) through transmitter (14) then through modulator (13); The result of master cpu (11) is able to show on display (17).
3. power cabinet connection terminal temperature-detecting device according to claim 1; It is characterized in that: said data are sent main frame (2), are made up of master cpu (11), crystal sinusoidal frequency generator (12), modulator (13), transmitter (14), frequency selector (15), detuner (16), GPRS module (3), display (17); Master cpu (11) sends patrols and examines instruction; Deliver to broadcast wire (9) through modulator (13), receive temperature data acquisition extension set (1) return data of query statement, receive the back by frequency selector (15) and get into detuner (16); Give master cpu (11) then; After master cpu (11) was sorted out the data preparation that receives, GPRS module (3) was given in timed sending, further is sent on the Internet (4); Display (17) is used for showing the temperature data of each measuring point on the extension set.
4. power cabinet connection terminal temperature-detecting device according to claim 3 is characterized in that: said transmitter (14) is the combination of high-frequency transformer and coupling capacitance.
5. power cabinet connection terminal temperature-detecting device according to claim 3 is characterized in that: what said crystal sinusoidal frequency generator (12) sent is sine waveform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102544926A CN101839772B (en) | 2009-12-24 | 2009-12-24 | System for monitoring temperature of coach power cabinet wire connecting terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102544926A CN101839772B (en) | 2009-12-24 | 2009-12-24 | System for monitoring temperature of coach power cabinet wire connecting terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101839772A CN101839772A (en) | 2010-09-22 |
| CN101839772B true CN101839772B (en) | 2012-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102544926A Expired - Fee Related CN101839772B (en) | 2009-12-24 | 2009-12-24 | System for monitoring temperature of coach power cabinet wire connecting terminal |
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| Country | Link |
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| CN (1) | CN101839772B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105379597A (en) * | 2015-11-30 | 2016-03-09 | 辽宁工程技术大学 | Crop frost prevention alerter |
| CN113566976A (en) * | 2021-08-09 | 2021-10-29 | 中车大连机车车辆有限公司 | Overtemperature early warning device for electric wiring terminal of locomotive converter cabinet |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2840420Y (en) * | 2005-06-09 | 2006-11-22 | 武汉汉麟美机车车辆有限公司 | Railroad coach power distribution cabinet safety monitoring assembly |
| CN201237823Y (en) * | 2008-07-18 | 2009-05-13 | 成都荣耀科技有限公司 | Real-time monitoring early-warning apparatus for power transmission line |
| CN201281635Y (en) * | 2008-10-24 | 2009-07-29 | 淄博智洋电气有限公司 | System for monitoring high voltage electrified body temperature based on wireless transmission mode |
| CN201307149Y (en) * | 2008-10-24 | 2009-09-09 | 淄博智洋电气有限公司 | System for monitoring temperature of cable head and automatically positioning line fault of ring main unit |
| CN201569498U (en) * | 2009-12-24 | 2010-09-01 | 西安铁信科技发展有限责任公司 | Bus power supply cabinet wiring terminal monitoring device |
-
2009
- 2009-12-24 CN CN2009102544926A patent/CN101839772B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2840420Y (en) * | 2005-06-09 | 2006-11-22 | 武汉汉麟美机车车辆有限公司 | Railroad coach power distribution cabinet safety monitoring assembly |
| CN201237823Y (en) * | 2008-07-18 | 2009-05-13 | 成都荣耀科技有限公司 | Real-time monitoring early-warning apparatus for power transmission line |
| CN201281635Y (en) * | 2008-10-24 | 2009-07-29 | 淄博智洋电气有限公司 | System for monitoring high voltage electrified body temperature based on wireless transmission mode |
| CN201307149Y (en) * | 2008-10-24 | 2009-09-09 | 淄博智洋电气有限公司 | System for monitoring temperature of cable head and automatically positioning line fault of ring main unit |
| CN201569498U (en) * | 2009-12-24 | 2010-09-01 | 西安铁信科技发展有限责任公司 | Bus power supply cabinet wiring terminal monitoring device |
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| Publication number | Publication date |
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| CN101839772A (en) | 2010-09-22 |
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Inventor after: Kang Fengwei Inventor after: Xiong Chufeng Inventor after: Li Linsheng Inventor before: Xiong Chufeng Inventor before: Li Linsheng |
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Free format text: CORRECT: INVENTOR; FROM: XIONG CHUFENG LI LINSHENG TO: KANG FENGWEI XIONG CHUFENG LI LINSHENG |
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