CN201548614U - Electric motor train unit energy measuring device based on network transmission - Google Patents

Electric motor train unit energy measuring device based on network transmission Download PDF

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Publication number
CN201548614U
CN201548614U CN2009202482268U CN200920248226U CN201548614U CN 201548614 U CN201548614 U CN 201548614U CN 2009202482268 U CN2009202482268 U CN 2009202482268U CN 200920248226 U CN200920248226 U CN 200920248226U CN 201548614 U CN201548614 U CN 201548614U
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CN
China
Prior art keywords
energy
voltage
network
train
electric motor
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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.)
Expired - Fee Related
Application number
CN2009202482268U
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Chinese (zh)
Inventor
姜悦礼
史秀娈
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Dalian R&D Co Ltd
Original Assignee
CNR Dalian Electric Traction R& D Center Co Ltd
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Application filed by CNR Dalian Electric Traction R& D Center Co Ltd filed Critical CNR Dalian Electric Traction R& D Center Co Ltd
Priority to CN2009202482268U priority Critical patent/CN201548614U/en
Application granted granted Critical
Publication of CN201548614U publication Critical patent/CN201548614U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The utility model discloses an electric motor train unit energy measuring device based on network transmission, which is characterized in that a 25kV high-voltage voltage transformer and a 25kV high-voltage current transformer which are integrated together are adopted to detect and convert voltage and current of an electric motor train unit on the top thereof during working, convert the voltage and the current into low voltage and low current which can be used for statistic and metering, convert the low voltage and the low current into electric energy signals through a signal processing board arranged inside an instrument box, convert the electric energy signals into train bus network signals through an analogue to digital converting board and a network modulating transmission board which are arranged inside the instrument box, transmit the train bus network signals to an energy recording device arranged in a driver's cab through a train bus, realize real-time display and storage of electric energy, transmit energy information to a ground train running dispatching center through a wireless communication network, and realize real-time ground monitoring of train electric energy, thereby ensuring train running safety. The electric motor train unit energy measuring device realizes nearby acquisition and remote transmission of electric energy, not only increases efficiency, but also is favorable for network upgrading and improvement of the electric motor train unit.

Description

The electric motor car group energy measuring apparatus of transmission Network Based
Technical field
The utility model relates to electric locomotive or electric motor car group energy measuring apparatus and wireless transmission.
Background technology
Electric locomotive now or electric motor car group mostly adopt the power supply of 25kV power frequency AC, in the process that electric locomotive or electric motor car group are travelled, by pantograph power taking from the electrical network, for record electricity locomotive or electric motor car group operating position in operational process to electric energy, current at present way is that a 25kV high voltage potential transformer and a 25kV high-tension current inductor are installed on electric locomotive or electric motor car group roof, instantaneous acquiring voltage and current signal, by mutual inductor with high tension voltage, the high-tension current conversion is into about the voltage of 100V, the electric current of about 5A, again by lead with voltage, electric current is given the watt-hour meter that is located in the car, is used for carrying out the record of electric flux.
The benefit of this way is easy, but because watt-hour meter is located in the compartment, the driver can't see immediately in the process of cab driving, bury potential faults.If watt-hour meter is installed in cab, and, increased the error on measuring and writing down because the increase of transmission range certainly will cause the decay of low-voltage, low current signal.Finally cause measurement data inaccurate.And 100V voltage and 5A electric current directly introduce cab, and be also dangerous especially.
Therefore, a kind of novel railway electric locomotive that can effectively address these problems, electric motor car group measure and the electric energy pen recorder arises at the historic moment.Its adopts train bus-line Network Transmission principle, will have voltage, the current signal of simulation convert to can Network Transmission bus signals, thereby avoided the loss of signal long-distance transmissions effectively.Can directly deliver in the energy registering instrument by bus energy delivered signal, and can be delivered on the network of permutation car, pass to the display unit of cab easily, can also this signal be passed to the train operation dispatch manage system chamber that is arranged on ground by the wireless telecommunications net, realize the instant ground monitoring of train electric flux, thereby guarantee the driving safety of train.
Summary of the invention
Proposition of the present utility model is intended to design a kind of electric locomotive, electric motor car group energy measuring apparatus, on the one hand, satisfy the actual needs of existing vehicle energy record, on the other hand, the record data of energy are informed driver or ground train scheduling personnel more quickly, reach the purpose of killing two birds with one stone.
Technical solution of the present utility model is achieved in that
A kind of electric motor car group energy measuring apparatus of transmission Network Based,
Comprise a high pressure acquisition instrument case, it is characterized in that: integrated high voltage potential transformer and high-tension current inductor are housed on the instrument box, energy is housed in the case calculates plate, analog quantity/digital quantity conversion equipment and digital quantity input integrated circuit board, wherein said integrated form voltage/current transformer bends by the electrical network power taking by electricity, the 25kV line voltage is transformed to by the 100V voltage signal of its low pressure end output and the current signal of 5A, its low pressure end successively with instrument box in energy calculate plate, analog quantity/digital quantity conversion equipment and special digital amount tablet card connection, 100V voltage signal and 5A current signal multiplied each other obtain the simulating signal of energy, be transformed to digital quantity signal by described analog quantity/digital quantity conversion equipment, be processed into the digital signal of on network, transmitting by train special digital amount input integrated circuit board, showing on the display screen of energy registering instrument or be transferred to by wireless launcher on the terminal at train scheduling center on ground by network.
Described train special digital amount input integrated circuit board is MVB network board or CAN network board.
Compared with prior art, the utility model has the advantages that conspicuous, mainly show its compatibility, reliability and applicability, on the basis of satisfying the requirement of present electric locomotive or electric motor car group, voltage signal and current signal are transformed into digital signal output, make the record of measurement, transmission and energy more convenient.And then enlarged the functions of use of energy pen recorder, also reduced the accident potential of locomotive.
Description of drawings
The utility model drawings attached 1 width of cloth, wherein:
Fig. 1 is the basic circuit principle schematic of the utility model measurement mechanism.
In the drawings: 1, integrated form high voltage potential transformer and high-tension current inductor, 2, integrated instrument box, 3, analog quantity/digital quantity conversion equipment, 4, train special digital amount input integrated circuit board, 5, energy pen recorder, 6, data display equipment, 7, the terrestrial wireless receiving trap, 8, train communication network (wired), 9, train communication network (wireless).
Embodiment
The electric motor car group energy measuring apparatus of transmission Network Based as shown in Figure 1, it is characterized in that: the 100V voltage signal that line voltage 25kV is transformed into by the voltage transformer (VT) that is integrated in one at first, the 5A voltage signal that the electric current (maximum 1000A) of current transformer during vehicle operation is transformed into, calculating plate by the energy that is arranged on integrated instrument box inside multiplies each other voltage signal and current signal and obtains the energy simulating signal, convert the digital quantity that can carry out network delivery to by analog quantity/digital quantity conversion equipment again, by Train Control special digital amount input integrated circuit board, as the MVB integrated circuit board, the CAN integrated circuit board, and digital quantity converted to the MVB interface that can carry out network delivery, CAN interface or other interfaces, by the train communication network energy signal is transmitted on the train communication network with digital form, at last, show by the energy pen recorder that is connected on the train communication network, perhaps show by driver's display apparatus module that Presentation Function is installed information of carrying out with network interface.Various buttons can also be provided with in addition, the switching of demonstration can be exported.
Simultaneously, if on the train communication network, be connected with wireless launcher, can also by wireless launcher with data transmission to the wireless train communication network, so that this signal is passed to the train operation dispatch manage system chamber that is arranged on ground by the wireless telecommunications net, realize the instant ground monitoring of train electric flux, thereby guarantee the driving safety of train.

Claims (2)

1. the electric motor car group energy measuring apparatus of a transmission Network Based, comprise a high pressure acquisition instrument case, it is characterized in that: integrated high voltage potential transformer and high-tension current inductor are housed on the instrument box, energy is housed in the case calculates plate, analog quantity/digital quantity conversion equipment and digital quantity input integrated circuit board, wherein said integrated form voltage/current transformer bends by the electrical network power taking by electricity, the 25kV line voltage is transformed to by the 100V voltage signal of its low pressure end output and the current signal of 5A, its low pressure end successively with instrument box in energy calculate plate, analog quantity/digital quantity conversion equipment and special digital amount tablet card connection, 100V voltage signal and 5A current signal multiplied each other obtain the simulating signal of energy, be transformed to digital quantity signal by described analog quantity/digital quantity conversion equipment again, be processed into the digital signal of on network, transmitting by train special digital amount input integrated circuit board, showing on the display screen of energy registering instrument or be transferred to by wireless launcher on the terminal at train scheduling center on ground by network.
2. the electric motor car group energy testing apparatus of transmission Network Based according to claim 1 is characterized in that described train special digital amount input integrated circuit board is MVB network board or CAN network board.
CN2009202482268U 2009-11-17 2009-11-17 Electric motor train unit energy measuring device based on network transmission Expired - Fee Related CN201548614U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202482268U CN201548614U (en) 2009-11-17 2009-11-17 Electric motor train unit energy measuring device based on network transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202482268U CN201548614U (en) 2009-11-17 2009-11-17 Electric motor train unit energy measuring device based on network transmission

Publications (1)

Publication Number Publication Date
CN201548614U true CN201548614U (en) 2010-08-11

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CN2009202482268U Expired - Fee Related CN201548614U (en) 2009-11-17 2009-11-17 Electric motor train unit energy measuring device based on network transmission

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105353207A (en) * 2015-10-14 2016-02-24 北京交通大学 Train operation energy consumption metering system based on ZigBee
CN105699763A (en) * 2016-03-09 2016-06-22 苏州市万松电气有限公司 Acquisition and analysis system and method for energy consumption data of train electrical equipment
CN110031674A (en) * 2019-04-25 2019-07-19 宁波中车时代传感技术有限公司 Motor train unit train energy consumption metering system and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105353207A (en) * 2015-10-14 2016-02-24 北京交通大学 Train operation energy consumption metering system based on ZigBee
CN105699763A (en) * 2016-03-09 2016-06-22 苏州市万松电气有限公司 Acquisition and analysis system and method for energy consumption data of train electrical equipment
CN110031674A (en) * 2019-04-25 2019-07-19 宁波中车时代传感技术有限公司 Motor train unit train energy consumption metering system and method

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C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100811

Termination date: 20111117