CN104215830A - Electric power measurement displaying device of double-source-system electric locomotive and mounting structure - Google Patents
Electric power measurement displaying device of double-source-system electric locomotive and mounting structure Download PDFInfo
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- CN104215830A CN104215830A CN201410398049.7A CN201410398049A CN104215830A CN 104215830 A CN104215830 A CN 104215830A CN 201410398049 A CN201410398049 A CN 201410398049A CN 104215830 A CN104215830 A CN 104215830A
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Abstract
The invention relates to an electric power measurement displaying device of a double-source-system electric locomotive and a mounting structure. The displaying device comprises an alternating current-direct current voltage and current sampling unit, an alternating current-direct current electric energy meter unit, a control unit, a communication interface unit, a data storage unit, a display driving unit, a LCD (liquid crystal display) unit and a power module. Alternating current voltage and current signals which are from a contact network or direct current voltage and current signals which are from a power storage battery of a bicycle are respectively inputted to corresponding electric energy meter units through corresponding voltage and current sampling units; and after the alternating current voltage and current signals and the direct current voltage and current signals are processed and stored, data comprising alternating current-direct current traction power consumption, regenerative braking feedback electric energy and alternating current-direct current voltage and current are displayed. The electric power measurement displaying device can stably work under two power systems comprising an AC (alternating current) 25kV alternating current contact network and a DC (direct current) 3kV vehicle-mounted power type lithium battery; the reliability and the electromagnetic compatibility are high; and the electric power measurement displaying device can be in communication connected with other devices on a vehicle.
Description
Technical field
The present invention 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 being 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, field of standing, industrial and mining enterprises, corresponding locomotive power consumption measurement instrument just carries out measuring and showing for AC energy therewith, as in Chinese utility model patent instructions CN203224541U to this has been description.According to the general requirement of nation-building conservation-minded society, based on double-source controlled " electricity-electricity " the hybrid power electric locomotive of overhead current collection formula and battery power storage formula, there is the technical advantages such as green, energy-saving and environmental protection, low-carbon (LC), be in the development development stage.This type locomotive is powered by AC25kV ac contactor net and DC3kV onboard power type lithium battery " two electric energy ", is having contact net section by contact net for electrical haulage, and is charging to power accumulator; There is provided 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 object of the invention is to overcome above-mentioned defect, provide that a kind of integrated level is high, integral module structure is good, can under AC25kV ac contactor net and DC3kV onboard power type lithium battery two kinds of power supply standards the double-source controlled electrical locomotive electric energy metrical display device of steady operation and mounting structure.
For solving the problems of the technologies described above, the present invention 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, and the alternating voltage current signal from contact net inputs to AC energy table unit 2 respectively by electric current and voltage sampling unit 1; Control module 3 is connected with AC energy table unit 2 and identifies and cumulative data; Communication interface unit 4 is connected with control module 3 and unloading data; Data storage unit 8 is connected with control module 3 and store data.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, and the DC voltage and current signal from power accumulator inputs to direct current energy table unit 6 respectively by DC voltage and current sampling unit 5; LCD display unit 9 is connected with control module 3 by display driver unit 8, to comprise alternating current-direct current draw power consumption, regenerative braking feedback power, alterating and direct current current voltage data show; Direct current 110V power supply exports+5V power supply to exchanging power meter unit 2, direct current energy table unit 6, control module 3, display driver unit 8 and LCD display unit 9 by power module 10; Control module 3 is connected with direct current energy table unit 6 and identifies and cumulative data.
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, communication interface unit 4 adopts the communication interface comprising RS422 interface or RS232 interface.
Present invention also offers 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 is set, cable fixing head 15, inquire button 16 be fixed on mounting box 11, and be connected with double-source controlled electrical locomotive electric energy metrical display device 12 with wire.
The present invention has following beneficial effect:
(1) the present invention can meet double-source controlled locomotive electric energy metrical information displaying parameter request and application requirement completely, and reasonable in design, reliability is high, Electro Magnetic Compatibility good;
(2) voltage, electric current, power and electric quantity data can be carried out data in conjunction with self real-time clock and store at times by the present invention;
(3) the invention provides a RS422 interface or a RS232 interface, realize the communication connection of other device on this device and car.
Accompanying drawing explanation
Fig. 1 is the circuit composition frame chart of double-source controlled electrical locomotive electric energy metrical display device of the present invention.
Fig. 2 is the elevation structural drawing of mounting box of the present invention.
Fig. 3 is the side profile structural drawing of mounting box of the present invention.
Fig. 4 is the front cut-away view of mounting box of the present invention.
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, the specific embodiment of the present invention 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, and the alternating voltage current signal from contact net inputs to AC energy table unit 2 respectively by electric current and voltage sampling unit 1; Control module 3 is connected with AC energy table unit 2 and identifies and cumulative data; Communication interface unit 4 is connected with control module 3 and unloading data; Data storage unit 8 is connected with control module 3 and store data.
DC voltage and current sampling unit 5 is connected with direct current energy table unit 6, and the DC voltage and current signal from power accumulator inputs to direct current energy table unit 6 respectively by DC voltage and current sampling unit 5.
LCD display unit 9 is connected with control module 3 by display driver unit 8, to comprise alternating current-direct current draw power consumption, regenerative braking feedback power, alterating and direct current current voltage data show; Power module 10 is connected with LCD display unit 9 with AC energy table unit 2, direct current energy table unit 6, control module 3, display driver unit 8 respectively, and direct current 110V power supply exports+5V power supply to exchanging power meter unit 2, direct current energy table unit 6, control module 3, display driver unit 8 and LCD display unit 9 by power module 10; Control module 3 is connected with direct current energy table unit 6 and identifies and cumulative data.
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 other forms of arbitrarily device with control, processing capacity well known in the art.Data storage unit 7 is connected with control module 3, and data storage unit 7 pairs of energy datas are stored.Communication interface unit 4 is connected with control module 3, and communication interface unit 4 is networked with other device unit on locomotive, and unloading data.AC energy table unit 2 and direct current energy table unit 6 all adopt electric energy meter special chip, the special electric energy computation chip of the CS5463 as current widespread use.Communication interface unit 4 adopts the communication interface comprising RS232 interface or RS422 interface.
The voltage transformer (VT) of this device, current transformer are sampled alternating voltage, the current signal of locomotive contact net respectively; Voltage sensor, current sensor are sampled DC voltage, the current signal of locomotive power accumulator respectively, be output into the receptible small-signal of special meter energy chip CS5463 of proportionate relationship through conversion, these small-signals are input to interchange or the DC measurement passage of this device separately.Through this device special meter can chip CS5463 sampling, A/D conversion, digital filtering, be multiplied, after the DSP process such as integration, calculate the electrical parameters such as voltage effective value, current effective value, power, electric energy under control of the microprocessor, and by it stored in FLASH memory; Real-time clock calculates the current date-time 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., after sending RS422 or RS232 interface, this device can be realized and be connected with the data communication of other device on car.
As shown in figs. 2 to 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, arranges button 14, cable fixing head 15, inquire button 16, 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 be 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 keep the time length of down state to be divided into three kinds of operational orders (to be short pressing when being less than 2s according to button, press between 2s to 5s being, when being greater than 5s for long by); The inside that button 14 is positioned at mounting box 11 is set, is mainly used in the function coordinating the amendment of inquire button execution parameter.After this device electrifying startup, Engage of standard mode of operation, namely each energy value data of LCD display Circulating fibrocytes, enter System menu pattern after pressing inquire button 16, LCD display display system master menu.
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-; Storage per minute once, can store 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 present invention is not limited to above-mentioned embodiment, in the ken that art those of ordinary skill possesses, can also make various change under the prerequisite not departing from present inventive concept.
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), and the alternating voltage current signal from contact net inputs to AC energy table unit (2) respectively by electric current and voltage sampling unit (1); Control module (3) is connected with AC energy table unit (2) and identifies and cumulative data; Communication interface unit (4) is connected with control module (3) and unloading data; Data storage unit (7) is connected with control module (3) and store data, 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), and the DC voltage and current signal from power accumulator inputs to direct current energy table unit (6) respectively 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), to comprise alternating current-direct current traction power consumption, regenerative braking feedback power, alterating and direct current current voltage data show;
C, direct current 110V power supply export+5V power supply to exchanging power meter unit (2), direct current energy table unit (6), control module (3), display driver unit (8) and LCD display unit (9) by described power module (10);
D, described control module (3) are connected with direct current energy table unit (6) and identify and cumulative data.
2.
double-source controlled electrical locomotive electric energy metrical display device, 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, is characterized in that: described communication interface unit (4) adopts the communication interface comprising RS422 interface or RS232 interface.
4. the mounting structure to any one double-source controlled electrical locomotive electric energy metrical display device described in claims 1 to 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410398049.7A CN104215830A (en) | 2014-08-14 | 2014-08-14 | Electric power measurement displaying device of double-source-system electric locomotive and mounting structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410398049.7A CN104215830A (en) | 2014-08-14 | 2014-08-14 | Electric power measurement displaying device of double-source-system electric locomotive and mounting structure |
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| CN104215830A true CN104215830A (en) | 2014-12-17 |
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| CN201410398049.7A Pending CN104215830A (en) | 2014-08-14 | 2014-08-14 | Electric power measurement displaying device of double-source-system electric locomotive and mounting structure |
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Cited By (2)
| 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 |
| 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 |
-
2014
- 2014-08-14 CN CN201410398049.7A patent/CN104215830A/en active Pending
Cited By (2)
| 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 |
| 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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