CN104242469A - Comprehensive railway power monitoring device - Google Patents
Comprehensive railway power monitoring device Download PDFInfo
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- CN104242469A CN104242469A CN201410549924.7A CN201410549924A CN104242469A CN 104242469 A CN104242469 A CN 104242469A CN 201410549924 A CN201410549924 A CN 201410549924A CN 104242469 A CN104242469 A CN 104242469A
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Abstract
The invention discloses a comprehensive railway power monitoring device, which comprises an intelligent ammeter A and an intelligent ammeter B, and is characterized by further comprising a dual power shift device and a communication device, wherein the incoming line ends of the intelligent ammeter A and the intelligent ammeter B are respectively connected to an external power supply A and a power supply B while the outgoing line ends of the same are respectively connected to the primary load of a tunnel through a toggle switch A and a toggle switch B, the input end of the dual power shift device is connected to the communication device while the control output end of the same is connected to the toggle switch A and the toggle switch B respectively, and the intelligent ammeter A and the intelligent ammeter B are respectively connected to the communication device that is also connected to an external superior master station. According to the comprehensive railway power monitoring device, the remote control functions stressing on remote communication, remote detection and remote control are achieved, environment of a box transformer substation and working conditions of a UPS power supply and an accumulator can be monitored and alarmed, relevant requirements of the Ministry of Railways are met, and the remote automatic data logging function is achieved.
Description
Technical field
The present invention relates to a kind of railway power integrated monitoring apparatus.
Background technology
Along Railway load have have a very wide distribution, power supply quality requirement high, can not Timeliness coverage unusual fluctuations take corresponding measure by manual monitoring.Railway internal user is more, and the distribution of electricity consumption point is looser, and manual metering not only workload is large, and wastes a large amount of manpowers and time.But existing railway power integrated monitoring apparatus well can not support the needs of railway construction in China.In such devices, some equipment cannot realize remote meter-reading function; Some equipment dependabilities are low, and precision is inadequate, does not have markers remote measurement, failure wave-recording, remote measurement off-limit alarm function, cannot meet Ministry of Railways's associated specifications; Some place capacities are not enough, can not meet railway demand; Some equipment can not access the equipment etc. of on-the-spot electronic instrument and so on.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of railway power integrated monitoring apparatus is provided.
The object of the invention is to be achieved through the following technical solutions: a kind of railway power integrated monitoring apparatus, comprise intelligent electric energy meter A and intelligent electric energy meter B, it is characterized in that: it also comprises a double-power supply switching device and a communicator, intelligent electric energy meter A is connected with external power source A and power supply B respectively with the end of incoming cables of intelligent electric energy meter B, intelligent electric energy meter A is connected with tunnel first order load with diverter switch B respectively by diverter switch A with the leading-out terminal of intelligent electric energy meter B, the input of double-power supply switching device is connected with communicator, the control output end of double-power supply switching device is connected with diverter switch A and diverter switch B respectively, intelligent electric energy meter A is also connected with communicator respectively with intelligent electric energy meter B, communicator is connected with outside higher level main website.
Described railway power integrated monitoring apparatus also comprises remote control terminal A and remote control terminal B, remote control terminal A is connected with external power source A and power supply B respectively with the end of incoming cables of remote control terminal B, remote control terminal A is connected with tunnel first order load with diverter switch B respectively by diverter switch A with the leading-out terminal of remote control terminal B, and remote control terminal A is also connected with communicator respectively with remote control terminal B.
Described remote control terminal A and remote control terminal B is the special remote control terminal of railway and iTU.
Described tunnel first order load is the monitoring device with markers remote measurement, failure wave-recording and remote measurement off-limit alarm function.
The invention has the beneficial effects as follows:
1) based on the remote moving function of " remote signalling, remote measurement, remote control ".
2) case changing environment is monitored, as transformer temperature, gate inhibition position, fire alarm signal and all kinds of alarm signal.
3) case becomes ups power and battery-operated status monitoring and warning.
4) remote measurement of band markers, failure wave-recording, remote measurement off-limit alarm etc. of first order load, meet Ministry of Railways's associated specifications.
5) when case becomes installation intelligent kilowatt-hour meter, kilowatt-hour meter can be accessed RTU, complete remote automatic meter reading function.
6) low tension loop harmonic detecting, can adopt intelligent instrument to complete this function.
Accompanying drawing explanation
Fig. 1 is block diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail: as shown in Figure 1, a kind of railway power integrated monitoring apparatus, comprise intelligent electric energy meter A and intelligent electric energy meter B, it is characterized in that: it also comprises a double-power supply switching device and a communicator, intelligent electric energy meter A is connected with external power source A and power supply B respectively with the end of incoming cables of intelligent electric energy meter B, intelligent electric energy meter A is connected with tunnel first order load with diverter switch B respectively by diverter switch A with the leading-out terminal of intelligent electric energy meter B, the input of double-power supply switching device is connected with communicator, the control output end of double-power supply switching device is connected with diverter switch A and diverter switch B respectively, intelligent electric energy meter A is also connected with communicator respectively with intelligent electric energy meter B, communicator is connected with outside higher level main website.
Described railway power integrated monitoring apparatus also comprises remote control terminal A and remote control terminal B, remote control terminal A is connected with external power source A and power supply B respectively with the end of incoming cables of remote control terminal B, remote control terminal A is connected with tunnel first order load with diverter switch B respectively by diverter switch A with the leading-out terminal of remote control terminal B, and remote control terminal A is also connected with communicator respectively with remote control terminal B.
Described tunnel first order load is the monitoring device with markers remote measurement, failure wave-recording and remote measurement off-limit alarm function.
Described tunnel first order load is powered by two power supplys (external power source A and external power source B), and when a power failure, another power supply should unlikelyly be damaged simultaneously.Preferentially should adopt when first order load capacity is little and obtain the second low-tension supply from contiguous electric power system, Emergency generator also can be adopted as stand-by power supply.
For particular importance load in tunnel first order load, except above-mentioned two power supplys, uninterrupted power supply(ups) also must be set as emergency power supply, and forbid other load access emergency power supply system.
Described remote control terminal A and remote control terminal B is the special remote control terminal of railway and iTU.
RTU and RTU, English full name Remote Terminal Unit, Chinese full name is remote terminal control system, is responsible for the monitor and forecast to on-site signal, industrial equipment.Comprising: On-off signal unit, switch amount output unit, analog input unit, analog output unit, pulsed quantity input unit, pulsed quantity output unit, digital quantity input unit.
On-off signal unit: to the collection of the various switching signal in scene, on-site signal can be relay contact switch (passive), also can be voltage signal, can also be current signal.Owing to adopting light isolation device, on-the-spot various interference can be resisted, normally can work under highfield, high-intensity magnetic field, many dust, wet environment.
Switch amount output unit: for the start-stop, acousto-optic, alarm etc. of remote control remote equipment.
Analog input unit: adopt analog switch and photoelectric isolation technology, being come in by various for scene collection of simulant signal, both can be 4-20mA, 0-10mA standard analog signal; Also can criteria of right and wrong analog signal, as alternating current 220V etc., A/D plate adopts intelligent A/D convert and utilize software engineering, can anti-power frequency 50Hz interference, and radio frequency interference etc., A/D transduced precision is up to 14.Analog quantity road road isolates, and may be used for different earth potential equipment and gathers simultaneously.
Analog output unit: for the various robot control system(RCS)s under PID regulative mode.
Pulsed quantity input unit: the frequency of acquisition pulse signal, band light every.The frequency range of collection signal is 0 ~ 20MHz.
Digital quantity input unit: receive various serial data signal.Can be RS485 interface, RS232, RS422 interface, or the asynchronous serial data under the various baud rate such as V11, V28.Also 64K synchrodata can be gathered.
RTU realizes four remote control function, and it comprises:
Remote measurement (telemetry intelligence (TELINT)): remote measurement.Gather and transmit operational factor, comprising various electric parameters (value such as the voltage on circuit, electric current, power) and load uncertainty etc.
Remote signalling (remote signalling information): remote signal.Gather and transmit various protection and switching value information.
Remote control (remote information): Long-distance Control.Accept and perform guidance command, mainly divide-shut brake, Long-distance Control is carried out to some long-range switching control devices.
Remote regulating (remote regulating information): remote adjustment.Accept and perform remote regulating order, remote debugging is carried out, as regulator generator power output to long-range controlled quentity controlled variable equipment.
Described external power source A and external power source B is provided by railway tunnel electric power system, railway tunnel electric power system becomes primarily of integrated case and low-voltage distribution cabinet/case composition, it is the power distribution equipment that high-voltage board, transformer, low-voltage cabinet are concentrated in together that integration case becomes, the major advantage that case becomes is that floor space is little relative to distributing power distribution equipment, and overall cost is lower.
Cable tunnel is by 10kV Power supply, and in active well, step-down uses.First be more easily implement; Secondly, obtain power supply by the different 10kV active section of 2, transformer station, the reliability of power supply can be ensured; Finally, 10kV cable only lays in inside, cable tunnel, avoids outside underground pipe network, avoids the fault that external cause causes.Shortcoming and the power distribution equipment of existence are larger, need to take larger space in active well.Therefore need to coordinate suitable scheme of electric power (as duplicate supply trunk formula) and the higher power distribution equipment pattern of integrated level (i.e. case change), the impact that this shortcoming causes can be reduced.
A kind of railway power integrated monitoring apparatus, its advantage is:
(1) have based on the remote moving function of " remote signalling, remote measurement, remote control ";
(2) case changing environment can be monitored, as transformer temperature, gate inhibition position, fire alarm signal and all kinds of alarm signal;
(3) monitoring and warning function that case becomes ups power and battery-operated state is realized;
(4) the tunnel first order load that device connects therewith comprises the functions such as the remote measurement of band markers, failure wave-recording, remote measurement off-limit alarm, and (5) meet Ministry of Railways's associated specifications;
(6) when case becomes installation intelligent kilowatt-hour meter, kilowatt-hour meter can be accessed RTU, complete remote automatic meter reading function;
(7) low tension loop harmonic detecting, can adopt intelligent instrument to complete this function.
Claims (4)
1. a railway power integrated monitoring apparatus, comprise intelligent electric energy meter A and intelligent electric energy meter B, it is characterized in that: it also comprises a double-power supply switching device and a communicator, intelligent electric energy meter A is connected with external power source A and power supply B respectively with the end of incoming cables of intelligent electric energy meter B, intelligent electric energy meter A is connected with tunnel first order load with diverter switch B respectively by diverter switch A with the leading-out terminal of intelligent electric energy meter B, the input of double-power supply switching device is connected with communicator, the control output end of double-power supply switching device is connected with diverter switch A and diverter switch B respectively, intelligent electric energy meter A is also connected with communicator respectively with intelligent electric energy meter B, communicator is connected with outside higher level main website.
2. a kind of railway power integrated monitoring apparatus according to claim 1, it is characterized in that: it also comprises remote control terminal A and remote control terminal B, remote control terminal A is connected with external power source A and power supply B respectively with the end of incoming cables of remote control terminal B, remote control terminal A is connected with tunnel first order load with diverter switch B respectively by diverter switch A with the leading-out terminal of remote control terminal B, and remote control terminal A is also connected with communicator respectively with remote control terminal B.
3. a kind of railway power integrated monitoring apparatus according to claim 2, is characterized in that: described remote control terminal A and remote control terminal B is the special remote control terminal of railway and iTU.
4. a kind of railway power integrated monitoring apparatus according to claim 1, is characterized in that: described tunnel first order load is the monitoring device with markers remote measurement, failure wave-recording and remote measurement off-limit alarm function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410549924.7A CN104242469A (en) | 2014-10-17 | 2014-10-17 | Comprehensive railway power monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410549924.7A CN104242469A (en) | 2014-10-17 | 2014-10-17 | Comprehensive railway power monitoring device |
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| CN104242469A true CN104242469A (en) | 2014-12-24 |
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| CN201410549924.7A Pending CN104242469A (en) | 2014-10-17 | 2014-10-17 | Comprehensive railway power monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655156A (en) * | 2016-10-18 | 2017-05-10 | 国网山东省电力公司烟台供电公司 | Automatic load control terminal switching device of dual-power-supply user |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664465A (en) * | 2012-05-21 | 2012-09-12 | 浙江正泰电器股份有限公司 | Breaker controller with dual-power-source switching function, switching system and switching method |
| CN203827063U (en) * | 2014-01-24 | 2014-09-10 | 宇星科技发展(深圳)有限公司 | Control system of intelligent electrical network |
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2014
- 2014-10-17 CN CN201410549924.7A patent/CN104242469A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664465A (en) * | 2012-05-21 | 2012-09-12 | 浙江正泰电器股份有限公司 | Breaker controller with dual-power-source switching function, switching system and switching method |
| CN203827063U (en) * | 2014-01-24 | 2014-09-10 | 宇星科技发展(深圳)有限公司 | Control system of intelligent electrical network |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655156A (en) * | 2016-10-18 | 2017-05-10 | 国网山东省电力公司烟台供电公司 | Automatic load control terminal switching device of dual-power-supply user |
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Application publication date: 20141224 |
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