CN102381197A - Electric energy meter for electric locomotive - Google Patents
Electric energy meter for electric locomotive Download PDFInfo
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- CN102381197A CN102381197A CN2011102777478A CN201110277747A CN102381197A CN 102381197 A CN102381197 A CN 102381197A CN 2011102777478 A CN2011102777478 A CN 2011102777478A CN 201110277747 A CN201110277747 A CN 201110277747A CN 102381197 A CN102381197 A CN 102381197A
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Abstract
The invention discloses an electric energy meter for an electric locomotive, which comprises a data recording and processing module, a power module, an electric energy metering module and an inductive measuring device, wherein the electric energy metering module is connected with an alternating-current electric wire. The power module is connected with the data recording and processing module, the electric energy metering module is connected with the data recording and processing module, and the inductive measuring device is connected between the alternating-current electric wire and the electric energy metering module. The electric energy meter avoids the impact of high voltage and high current coming down from a pantograph on the electric energy metering module, so that accuracy of electric energy metering data is ensured.
Description
Technical field
The present invention relates to a kind of electric power meter of electric locomotive, specifically is a kind of use for electric locomotive electric energy meter.
Background technology
The use for electric locomotive electric energy meter of prior art comprises electric energy metrical module, data logging and processing module and power module; Described power module is connected with data logging and processing module, is used for working power to data logging and processing module being provided; Described electric energy metrical module is connected with data logging and processing module, is used for the processing and the record of data; The three plase alternating current wire joint that the input end of described electric energy metrical module and outer net connect into, the three plase alternating current wire joint that the mouth of described electric energy metrical module and locomotive use.There is following defective in the use for electric locomotive electric energy meter of said structure in the use of reality: because the electric energy metrical module is a three plase alternating current wire joint direct and that outer net connects into; Therefore the big voltage that got off by pantograph of locomotive and big electric current very easily produce the electric energy metrical module and impact, thereby cause the inaccurate of electric energy measurement data.
Summary of the invention
The technical matters that the present invention will solve is, overcomes the defective of above prior art, and a kind of electric energy measurement data use for electric locomotive electric energy meter accurately is provided.
Technical scheme of the present invention is, a kind of use for electric locomotive electric energy meter is provided, comprise data logging and processing module, power module and with alternating current wires bonded assembly electric energy metrical module; Described power module is connected with data logging and processing module; Described electric energy metrical module is connected with data logging and processing module; Described use for electric locomotive electric energy meter also comprises induction measurement devices, and said induction measurement devices is connected between alternating current wires and the electric energy metrical module.
Described induction measurement devices comprises the voltage transformer summation current transformer, and the input end of said voltage transformer summation current transformer all is connected with alternating current wires, and the mouth of said voltage transformer summation current transformer all is connected with the electric energy metrical module.
After adopting above structure, the present invention compared with prior art has the following advantages:
The big voltage that the locomotive of use for electric locomotive electric energy meter of the present invention is got off by pantograph inserts the electric energy metrical module with big electric current behind the voltage transformer summation current transformer; Make electric energy metrical module and main electrical network isolate fully; Therefore the impact of having avoided big voltage that locomotive gets off by pantograph and big electric current extremely the electric energy metrical module to be produced, thus the accuracy of electric energy measurement data guaranteed.
Described voltage module is the TAX power module, and therefore the advantage that volume is little because the TAX power module has, the output voltage precision is high, working temperature range is big makes the functional reliability of use for electric locomotive electric energy meter of the present invention be able to greatly improve.
As improvement; Described use for electric locomotive electric energy meter also comprises the LED electricity quantity display module; Described LED electricity quantity display module is connected with data logging and processing module; This LED electricity quantity display module can make the functional reliability of use for electric locomotive electric energy meter of the present invention be able to greatly improve through being influenced by the adverse circumstances.
As improvement; Described use for electric locomotive electric energy meter also comprises the data conversion storage module that is used for the unloading data; Described data conversion storage module is connected with data logging and processing module; This module makes data logging and processing module be able to some historical datas of unloading, thereby improves the continuous working property of use for electric locomotive electric energy meter.
As improvement; Described use for electric locomotive electric energy meter also comprises the GPS locating module that is used for the electric locomotive location; Described GPS locating module is connected with data logging and processing module, and this module can accurately be located the longitude and the latitude of electric locomotive, thereby realizes the electric energy metrical of subregion.
Description of drawings
Accompanying drawing is the circuit block diagram of use for electric locomotive electric energy meter of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further.
Shown in accompanying drawing; A kind of use for electric locomotive electric energy meter of the present invention comprises and alternating current wires bonded assembly electric energy metrical module, data logging and processing module and power module, wherein; The model of electric energy metrical module is ADE7755, and data logging and processing module are generally DSP.Being generally the three-phase alternating current electric wire is the electric locomotive power supply.
Described power module is connected with data logging and processing module, is used for working power to data logging and processing module being provided; Described electric energy metrical module is connected with data logging and processing module, is promptly connected the counting machine of data logging and processing module by the CF end of electric energy metrical module, and the REVP end of electric energy metrical module connects the UP/DOWN end of data logging and processing module; When the voltage and current phase difference in the electric energy metrical module during greater than 90 °, utilize REVP end output logic high level, make the electric energy metrical mode in time reverse, satisfy the extraordinary circumstances that locomotive can be presented ability feedback grids such as braking, be used for the processing and the record of data; Described use for electric locomotive electric energy meter also comprises induction measurement devices, and said induction measurement devices is connected between alternating current wires and the electric energy metrical module.
Described induction measurement devices comprises the voltage transformer summation current transformer; The input end of said voltage transformer summation current transformer all with the three plase alternating current wire joint; The mouth of said voltage transformer summation current transformer all is connected with the electric energy metrical module, and promptly the mouth of voltage transformer summation current transformer is connected with CH1, the CH2 end of electric energy metrical module respectively.
Described voltage module is the TAX power module, has overheated, short circuited defencive function.
Described use for electric locomotive electric energy meter also comprises the LED electricity quantity display module, and described LED electricity quantity display module is connected with data logging and processing module.
Described use for electric locomotive electric energy meter also comprises the data conversion storage module that is used for the unloading data, and described data conversion storage module is connected with data logging and processing module.Can adopt IC-card unloading module, like the IC-card unloading module of AT45D041.
Described use for electric locomotive electric energy meter also comprises the GPS locating module that is used for the electric locomotive location, and described GPS locating module is connected with data logging and processing module.
Described GPS locating module comprises antenna, gps signal process chip and level transferring chip, and said gps signal process chip is connected with antenna, level transferring chip respectively; Described GPS locating module is connected with data logging and processing module and is meant: described level transferring chip is connected with data logging and processing module.
During use; The big voltage that is got off by pantograph inserts the electric energy metrical module with big electric current behind the voltage transformer summation current transformer; Send data to data logging and processing module by the electric energy metrical module, being carried out interval location, shown by data logging and processing module again is the unloading of data.
These all belong to the product that can buy in the market above-mentioned electric energy metrical module, data logging and processing module, power module, voltage transformer, current transformer, LED electricity quantity display module, data conversion storage module, GPS locating module or the like.
Below only be described, but can not be interpreted as it is restriction claim with regard to most preferred embodiment of the present invention.The present invention is not limited only to above embodiment, and its concrete structure allows variation.In every case the various variations of in the protection domain of independent claims of the present invention, being done are all in protection scope of the present invention.
Claims (7)
1. use for electric locomotive electric energy meter, comprise data logging and processing module, power module and with alternating current wires bonded assembly electric energy metrical module; Described power module is connected with data logging and processing module; Described electric energy metrical module is connected with data logging and processing module; It is characterized in that: described use for electric locomotive electric energy meter also comprises induction measurement devices, and said induction measurement devices is connected between alternating current wires and the electric energy metrical module.
2. use for electric locomotive electric energy meter according to claim 1; It is characterized in that: described induction measurement devices comprises the voltage transformer summation current transformer; The input end of said voltage transformer summation current transformer all is connected with alternating current wires, and the mouth of said voltage transformer summation current transformer all is connected with the electric energy metrical module.
3. use for electric locomotive electric energy meter according to claim 1 is characterized in that: described voltage module is the TAX power module.
4. use for electric locomotive electric energy meter according to claim 1 is characterized in that: described use for electric locomotive electric energy meter also comprises the LED electricity quantity display module, and described LED electricity quantity display module is connected with data logging and processing module.
5. use for electric locomotive electric energy meter according to claim 1 is characterized in that: described use for electric locomotive electric energy meter also comprises the data conversion storage module that is used for the unloading data, and described data conversion storage module is connected with data logging and processing module.
6. use for electric locomotive electric energy meter according to claim 1 is characterized in that: described use for electric locomotive electric energy meter also comprises the GPS locating module that is used for the electric locomotive location, and described GPS locating module is connected with data logging and processing module.
7. use for electric locomotive electric energy meter according to claim 6 is characterized in that: described GPS locating module comprises antenna, gps signal process chip and level transferring chip, and said gps signal process chip is connected with antenna, level transferring chip respectively; Described GPS locating module is connected with data logging and processing module and is meant: described level transferring chip is connected with data logging and processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102777478A CN102381197A (en) | 2011-09-19 | 2011-09-19 | Electric energy meter for electric locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102777478A CN102381197A (en) | 2011-09-19 | 2011-09-19 | Electric energy meter for electric locomotive |
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| CN102381197A true CN102381197A (en) | 2012-03-21 |
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| CN2011102777478A Pending CN102381197A (en) | 2011-09-19 | 2011-09-19 | Electric energy meter for electric locomotive |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022574A (en) * | 2014-06-09 | 2014-09-03 | 国网新疆伊犁供电有限责任公司 | Information system used for whole monitoring power system metering device |
| CN104407210A (en) * | 2014-12-09 | 2015-03-11 | 南车株洲电力机车有限公司 | Electric locomotive energy monitoring method and system |
| CN105137171A (en) * | 2015-07-28 | 2015-12-09 | 湖南工业大学 | Embedded locomotive energy consumption monitoring system |
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| CN101609136A (en) * | 2008-06-17 | 2009-12-23 | 武汉华瑞测控科技有限公司 | The method of voltage transformer secondary voltage drop tester and measurement phase angle difference thereof |
| CN201378186Y (en) * | 2009-02-26 | 2010-01-06 | 浙江省电力试验研究院 | Alternating/direct current combined electric energy meter |
| CN201390268Y (en) * | 2009-03-27 | 2010-01-27 | 福州启航信息工程有限公司 | Electric locomotive operation monitoring system |
| WO2010149520A2 (en) * | 2009-06-22 | 2010-12-29 | Rwe Ag | Device and method for metering the energy quantity in the charging station for an electric vehicle |
| CN202281801U (en) * | 2011-09-19 | 2012-06-20 | 宁波三星电气股份有限公司 | Electric energy meter used for electric locomotive |
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- 2011-09-19 CN CN2011102777478A patent/CN102381197A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101609136A (en) * | 2008-06-17 | 2009-12-23 | 武汉华瑞测控科技有限公司 | The method of voltage transformer secondary voltage drop tester and measurement phase angle difference thereof |
| CN201378186Y (en) * | 2009-02-26 | 2010-01-06 | 浙江省电力试验研究院 | Alternating/direct current combined electric energy meter |
| CN201390268Y (en) * | 2009-03-27 | 2010-01-27 | 福州启航信息工程有限公司 | Electric locomotive operation monitoring system |
| WO2010149520A2 (en) * | 2009-06-22 | 2010-12-29 | Rwe Ag | Device and method for metering the energy quantity in the charging station for an electric vehicle |
| CN202281801U (en) * | 2011-09-19 | 2012-06-20 | 宁波三星电气股份有限公司 | Electric energy meter used for electric locomotive |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022574A (en) * | 2014-06-09 | 2014-09-03 | 国网新疆伊犁供电有限责任公司 | Information system used for whole monitoring power system metering device |
| CN104407210A (en) * | 2014-12-09 | 2015-03-11 | 南车株洲电力机车有限公司 | Electric locomotive energy monitoring method and system |
| CN104407210B (en) * | 2014-12-09 | 2018-04-06 | 南车株洲电力机车有限公司 | electric locomotive energy monitoring method and system |
| CN105137171A (en) * | 2015-07-28 | 2015-12-09 | 湖南工业大学 | Embedded locomotive energy consumption monitoring system |
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Application publication date: 20120321 |