CN204008848U - Double-source controlled electrical locomotive electric energy metrical display device and mounting structure - Google Patents

Double-source controlled electrical locomotive electric energy metrical display device and mounting structure Download PDF

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Publication number
CN204008848U
CN204008848U CN201420456771.7U CN201420456771U CN204008848U CN 204008848 U CN204008848 U CN 204008848U CN 201420456771 U CN201420456771 U CN 201420456771U CN 204008848 U CN204008848 U CN 204008848U
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China
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unit
current
display
energy
voltage
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CN201420456771.7U
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吴晓喜
席军德
王文禹
朱海洋
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Zhuzhou Lince Group Co Ltd
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Zhuzhou Lince Group Co Ltd
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Abstract

The utility model relates to a kind of double-source controlled electrical locomotive electric energy metrical display device and mounting structure, this device comprises combined-voltage current sampling unit, alternating current-direct current electric energy table unit, control module, communication interface unit, data storage unit, display driver unit, LCD display unit, power module, input to corresponding electric energy meter unit by corresponding electric current and voltage sampling unit respectively from the alternating voltage current signal of contact net or from the DC voltage and current signal of railroad traction accumulator, treated, after storage, to comprising alternating current-direct current traction power consumption, regenerative braking feedback power, alterating and direct current current voltage shows in interior data.The utility model can be under AC25kV ac contactor net and two kinds of power supply standards of the vehicle-mounted power lithium battery of DC3kV steady operation, reliability is high, Electro Magnetic Compatibility good, and can realize the communication connection of other device on this device and car.

Description

Double-source controlled electrical locomotive electric energy metrical display device and mounting structure
Technical field
The utility model relates to a kind of trunk railway, an industrial and mining enterprises' electric locomotive and urban electric bus power consumption measurement instrument, particularly a kind of alternating current-direct current electric energy metering and display device and mounting structure thereof that is applied to rail yard or industrial and mining enterprises' double-source controlled electric power shunter.
Background technology
At present, China's development all adopts single ac contactor net electric means for the electric locomotive of trunk railway, stand field, industrial and mining enterprises, corresponding locomotive power consumption measurement instrument is with regard to only measuring and show for AC energy, as this being described in Chinese utility model patent instructions CN203224541U therewith.According to the general requirement of nation-building conservation-minded society, double-source controlled " electricity-electricity " the hybrid power electric locomotive based on overhead current collection formula and accumulator electricity-storage type, has the technical advantages such as green, energy-saving and environmental protection, low-carbon (LC), is in the development development stage.This type locomotive, by AC25kV ac contactor net and the vehicle-mounted power lithium battery of DC3kV " two electric energy " power supply, is having contact net section to supply electrical haulage by contact net, and is charging to power accumulator; Provide power at contactless barrier Duan Ze by power lithium battery, and automatically switch.Therefore, existing locomotive power consumption measurement instrument can not meet the requirement of double-source controlled electrical locomotive.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned defect, provide that a kind of integrated level is high, integral module structure is good, can be under AC25kV ac contactor net and two kinds of power supply standards of the vehicle-mounted power lithium battery of DC3kV double-source controlled electrical locomotive electric energy metrical display device and the mounting structure of steady operation.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of double-source controlled electrical locomotive electric energy metrical display device, comprise alternating voltage current sampling unit 1, AC energy table unit 2, control module 3, communication interface unit 4, data storage unit 7, display driver unit 8, LCD display unit 9, power module 10, wherein, alternating voltage current sampling unit 1 is connected with AC energy table unit 2, inputs to AC energy table unit 2 respectively from the alternating voltage current signal of contact net by electric current and voltage sampling unit 1; Control module 3 is connected and identification and cumulative data with AC energy table unit 2; Communication interface unit 4 is connected with control module 3 and unloading data; Data storage unit 8 is connected and stores data with control module 3.Also comprise DC voltage and current sampling unit 5 and direct current energy table unit 6, DC voltage and current sampling unit 5 is connected with direct current energy table unit 6, inputs to direct current energy table unit 6 respectively from the DC voltage and current signal of power accumulator by DC voltage and current sampling unit 5; LCD display unit 9 is connected with control module 3 by display driver unit 8, and the data including alternating current-direct current traction power consumption, regenerative braking feedback power, alterating and direct current current voltage are shown; Direct current 110V power supply by export+5V of power module 10 power supply to AC energy meter unit 2, direct current energy table unit 6, control module 3, display driver unit 8 and LCD display unit 9; Control module 3 is connected and identification and cumulative data with direct current energy table unit 6.
As one of improvement project, AC energy table unit 2, direct current energy table unit 6 all adopt electric energy meter special chip.
As one of improvement project, the communication interface that communication interface unit 4 adopts including RS422 interface or RS232 interface.
The utility model also provides a kind of technical scheme that double-source controlled electrical locomotive electric energy metrical display device is installed, comprise mounting box 11, double-source controlled electrical locomotive electric energy metrical display device 12, connecting terminal block 13, button 14, cable fixing head 15, inquire button 16 are set, double-source controlled electrical locomotive electric energy metrical display device 12 is arranged in mounting box 11, described connecting terminal block 13, button 14, cable fixing head 15, inquire button 16 are set are fixed on mounting box 11, and be connected with double-source controlled electrical locomotive electric energy metrical display device 12 with wire.
The utlity model has following beneficial effect:
(1) the utility model can meet the information display parameter requirement of double-source controlled locomotive electric energy metrical and application requirements completely, and reasonable in design, reliability is high, Electro Magnetic Compatibility good;
(2) the utility model can carry out data in conjunction with self real-time clock by voltage, electric current, power and electric quantity data and stores at times;
(3) the utility model provides a RS422 interface or a RS232 interface, realizes the communication connection of other device on this device and car.
Brief description of the drawings
Fig. 1 is the electric circuit constitute block diagram of the utility model double-source controlled electrical locomotive electric energy metrical display device.
Fig. 2 is the front shape assumption diagram of the utility model mounting box.
Fig. 3 is the side shape assumption diagram of the utility model mounting box.
Fig. 4 is the front cut-away view of the utility model mounting box.
In figure: 1-alternating voltage current sampling unit, 2-AC energy table unit, 3-control module, 4-communication interface unit, 5-DC voltage and current sampling unit, 6-direct current energy table unit, 7-data storage unit, 8-display driver unit, 9-LCD display unit, 10-power module, 11-mounting box, 12-double-source controlled electrical locomotive electric energy metrical display device, 13-connecting terminal block, 14-arranges button, 15-cable fixing head, 16-inquire button.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
As shown in Figure 1, double-source controlled electrical locomotive electric energy metrical display device comprises alternating voltage current sampling unit 1, AC energy table unit 2, control module 3, communication interface unit 4, DC voltage and current sampling unit 5, direct current energy table unit 6, data storage unit 7, display driver unit 8, LCD display unit 9, power module 10, wherein, alternating voltage current sampling unit 1 is connected with AC energy table unit 2, inputs to AC energy table unit 2 respectively from the alternating voltage current signal of contact net by electric current and voltage sampling unit 1; Control module 3 is connected and identification and cumulative data with AC energy table unit 2; Communication interface unit 4 is connected with control module 3 and unloading data; Data storage unit 8 is connected and stores data with control module 3.
DC voltage and current sampling unit 5 is connected with direct current energy table unit 6, inputs to direct current energy table unit 6 respectively from the DC voltage and current signal of power accumulator by DC voltage and current sampling unit 5.
LCD display unit 9 is connected with control module 3 by display driver unit 8, and the data including alternating current-direct current traction power consumption, regenerative braking feedback power, alterating and direct current current voltage are shown; Power module 10 is connected with AC energy table unit 2, direct current energy table unit 6, control module 3, display driver unit 8 and LCD display unit 9 respectively, direct current 110V power supply by export+5V of power module 10 power supply to AC energy meter unit 2, direct current energy table unit 6, control module 3, display driver unit 8 and LCD display unit 9; Control module 3 is connected and identification and cumulative data with direct current energy table unit 6.
Control module 3 can adopt central processing unit (CPU), flush bonding processor, microcontroller (MCU), digital signal processor (DSP), single-chip microcomputer, SOC (system on a chip) (SOC), and the known any other forms of device with control, processing capacity in the art.Data storage unit 7 is connected with control module 3, and data storage unit 7 is stored energy data.Communication interface unit 4 is connected with control module 3, and on communication interface unit 4 and locomotive, other device unit is networked, and unloading data.AC energy table unit 2 and direct current energy table unit 6 all adopt electric energy meter special chip, electric energy computation chip as special in the CS5463 of current widespread use.The communication interface that communication interface unit 4 adopts including RS232 interface or RS422 interface.
The voltage transformer (VT) of this device, current transformer sample respectively alternating voltage, the current signal of locomotive contact net; Voltage sensor, current sensor sample respectively DC voltage, the current signal of locomotive power accumulator, the receptible small-signal of special meter energy chip CS5463 that is output into proportionate relationship through conversion, these small-signals are input to interchange or the DC measurement passage of this device separately.Sampling, A/D conversion, digital filtering that can chip CS5463 through the special meter of this device, multiply each other, after the DSP such as integration processes, under the control of microprocessor, calculate the electrical parameters such as voltage effective value, current effective value, power, electric energy, and deposited in FLASH storer; Real-time clock calculates the current date temporal information of electric quantity data for providing.Then, above-mentioned data send display unit to show in real time, and display section is made up of display driver chip and LCD liquid crystal display, for showing net pressure, locomotive electric current, consuming electric energy etc., send after RS422 or RS232 interface, can realize this device and be connected with the data communication of other device on car.
As shown in Fig. 2~4, the mounting structure of double-source controlled electrical locomotive electric energy metrical display device comprises mounting box 11, double-source controlled electrical locomotive electric energy metrical display device 12, connecting terminal block 13, button 14, cable fixing head 15, inquire button 16 is set, double-source controlled electrical locomotive electric energy metrical display device 12 is arranged in mounting box 11, described connecting terminal block 13, button 14, cable fixing head 15, inquire button 16 are set are fixed on mounting box 11, and be connected with double-source controlled electrical locomotive electric energy metrical display device 12 with wire.As the typical embodiment of one, mounting box 11 is furnished with earthing rod, and connecting terminal block 13 adopts ten thousand can AWG28-16 connection terminal etc.Inquire button 16 is positioned at the outside surface of mounting box 11, be mainly used in entering and exit menu, browse the data query functions such as each data item, and according to button keep the time length of down state be divided into three kinds of operational orders (while being less than 2s, be short by, in between 2s to 5s being, press, while being greater than 5s for long by); The inside that button 14 is positioned at mounting box 11 is set, is mainly used in coordinating the function of inquire button execution parameter amendment.After this device electrifying startup, Engage of standard mode of operation, i.e. LCD display circulation shows each energy value data, enters System menu pattern, LCD display display system master menu pressing after inquire button 16.
The important technological parameters of double-source controlled electrical locomotive electric energy metrical display device: measurement range is input ac voltage passage: 100V~300V, specified 150V, conversion ratio 25000V/150V; Input AC current channel: 0A~1.5A, specified 1A, conversion ratio 250A/1A; Input dc power pressure passageway :-71.4mA~71.4 mA, specified 50mA, conversion ratio 4200V/50mA; Input direct-current current channel :-700 mA~700 mA, specified 400mA, conversion ratio 1A/5000A; Electric energy reading accuracy grade: meritorious ± 1.0 grades, idle ± 2.0 grade; Liquid crystal display: 8 bit data, first 5 of radix point, latter 3; B.O.T.U.: meritorious MWh+, MWh-, idle MVarh+, MVarh-; Per minute storage once, can be stored the capacity of 20 days; Power consumption: be less than 5W; General assembly (TW): 1.9Kg ± 3%; Physical dimension (long × wide × thick) 266mm × 135mm × 64mm.
The utility model is not limited to above-mentioned embodiment, in the ken possessing, can also under the prerequisite that does not depart from the utility model aim, make various variations at affiliated technical field those of ordinary skill.

Claims (4)

1. a double-source controlled electrical locomotive electric energy metrical display device, comprise alternating voltage current sampling unit (1), AC energy table unit (2), control module (3), communication interface unit (4), data storage unit (7), display driver unit (8), LCD display unit (9), power module (10), wherein, alternating voltage current sampling unit (1) is connected with AC energy table unit (2), inputs to AC energy table unit (2) respectively from the alternating voltage current signal of contact net by electric current and voltage sampling unit (1); Control module (3) is connected and identification and cumulative data with AC energy table unit (2); Communication interface unit (4) is connected with control module (3) and unloading data; Data storage unit (7) is connected and stores data with control module (3), it is characterized in that:
A, also comprise DC voltage and current sampling unit (5) and direct current energy table unit (6), described DC voltage and current sampling unit (5) is connected with described direct current energy table unit (6), inputs to direct current energy table unit (6) respectively from the DC voltage and current signal of power accumulator by DC voltage and current sampling unit (5);
B, described LCD display unit (9) are connected with described control module (3) by described display driver unit (8), and the data including alternating current-direct current traction power consumption, regenerative braking feedback power, alterating and direct current current voltage are shown;
C, direct current 110V power supply by described power module (10) output+5V power supply to AC energy meter unit (2), direct current energy table unit (6), control module (3), display driver unit (8) and LCD display unit (9);
D, described control module (3) are connected and identification and cumulative data with direct current energy table unit (6).
2. double-source controlled electrical locomotive electric energy metrical display device according to claim 1, is characterized in that: described AC energy table unit (2), direct current energy table unit (6) all adopt electric energy meter special chip.
3. double-source controlled electrical locomotive electric energy metrical display device according to claim 1, is characterized in that: described communication interface unit (4) adopts the communication interface including RS422 interface or RS232 interface.
4. one kind as the mounting structure of any double-source controlled electrical locomotive electric energy metrical display device as described in to claim 1~3, comprise mounting box (11), double-source controlled electrical locomotive electric energy metrical display device (12), connecting terminal block (13), button (14) is set, cable fixing head (15), inquire button (16), it is characterized in that: described double-source controlled electrical locomotive electric energy metrical display device (12) is arranged in mounting box (11), described connecting terminal block (13), button (14) is set, cable fixing head (15), inquire button (16) is fixed on mounting box (11), and be connected with double-source controlled electrical locomotive electric energy metrical display device (12) with wire.
CN201420456771.7U 2014-08-14 2014-08-14 Double-source controlled electrical locomotive electric energy metrical display device and mounting structure Active CN204008848U (en)

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CN201420456771.7U CN204008848U (en) 2014-08-14 2014-08-14 Double-source controlled electrical locomotive electric energy metrical display device and mounting structure

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Application Number Priority Date Filing Date Title
CN201420456771.7U CN204008848U (en) 2014-08-14 2014-08-14 Double-source controlled electrical locomotive electric energy metrical display device and mounting structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111483480A (en) * 2020-05-22 2020-08-04 中车永济电机有限公司 Locomotive general traction control device and control method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111483480A (en) * 2020-05-22 2020-08-04 中车永济电机有限公司 Locomotive general traction control device and control method thereof

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