CN102680778A - Watt-hour meter of subway trains - Google Patents
Watt-hour meter of subway trains Download PDFInfo
- Publication number
- CN102680778A CN102680778A CN2012100946851A CN201210094685A CN102680778A CN 102680778 A CN102680778 A CN 102680778A CN 2012100946851 A CN2012100946851 A CN 2012100946851A CN 201210094685 A CN201210094685 A CN 201210094685A CN 102680778 A CN102680778 A CN 102680778A
- Authority
- CN
- China
- Prior art keywords
- control board
- watt
- hour meter
- master control
- data
- Prior art date
- 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.)
- Pending
Links
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a watt-hour meter of subway trains. The watt-hour meter comprises a power supply board, a voltage sensor, a current sensor, a main control board and a display board, wherein the components are separated and used for testing, storing and displaying the electric quantity information of circuits; in order to expand the functions, the main control board is provided with an USB (Universal Serial Bus) adapter board and a USB interface; a USB data line is connected with a computer so as to download the data; the data are downloaded and stored and firmware updating is carried out by inserting a USB flash disc into the computer; the main control plate is also provided with an address encoder, an RS485 communication part and a communicating and encoding interface so as to encode the communication address of the product and fulfill the communication functions of the RS485 communication part; and with the design of assembly of the power supply board with the main control board and the design of a reinforcing rod, the practicability of the watt-hour meter is increased.
Description
Technical field
The present invention relates to electron watt-hour meter, relate in particular to a kind of railcar watt-hour meter.
Background technology
Electronic electric energy meter or watt-hour meter; Be through user's supply voltage and real-time current are sampled; Adopt special-purpose electric energy meter integrated circuit; Sampled voltage and current signal handled and multiply each other convert the pulse output that is directly proportional with electric energy to; Show through register or digital indicator,, be widely applied in many fields because it has advantages such as the response speed of better linearity degree and degree of stability, voltage and frequency is fast, measuring accuracy is high, part throttle characteristics is better, oneself power consumption is little, stronger, the anti-electricity-theft ability of power factor compensation performance is strong.In recent years, along with the development of China railways, underground engines quantity constantly increases; Subway train all is electric locomotive, and power consumption is increasing, the management of the inconvenient subway power consumption of existing electrical measurement equipment; Also be unfavorable for science statistics power consumption, can't manage or the driver instructor power-save operation.Therefore, development can reflect relation such as locomotive dynamic energy consumption, locomotive failure and traction power supply state and can the real-time update in house software, the equipment and the system of storing electricity record be very important.
Summary of the invention
Technical matters to be solved by this invention is to overcome the above-mentioned deficiency of prior art and a kind of railcar watt-hour meter is provided; This watt-hour meter can not only reflect voltage, electric current, the power of train; Function with accumulative total train traction power consumption and regenerative braking feedback electric weight; Can also through USB interface by USB flash disk or computing machine dump information about power, upgrade firmware, and can carry out the RS485 communication.
The present invention addresses the above problem the technical scheme that is adopted: the railcar watt-hour meter comprises power panel, voltage sensor, current sensor and master control board, display board; Each several part separates and realizes the information about power of detection, storage, display circuit; For expanding its function; Master control board is provided with USB card extender, USB interface, connects the downloaded data through the usb data line, downloads, preserves data or carry out firmware update through inserting USB flash disk; Also be provided with communication interface in the master control board, realize the coding and the RS485 communication function of product mailing address.
Above-mentioned communication interface is a RS485 communication coding interface.
Above-mentioned power panel is installed in the master control board top through the support column in the master control board, and the position of master control board corresponding power plate has the heat radiation window.
On the panel at watt-hour meter external interface place, be provided with stiffener, increase the intensity of panel.
Compared with prior art, the invention has the advantages that: master control board is provided with USB card extender, USB interface, with the power consumption information of being deposited through USB interface by carrying out dump on USB flash disk or the computing machine, also can carry out firmware update through USB interface.This watt-hour meter combines railcar watt-hour meter software on ground; The user can inquire about any moment train power consumption at any time, and can count the electric weight that train traction electric weight and train in this time period feed back to electrical network on a time period, and the higher limit of electric current, the upper lower limit value of voltage and the higher limit of power are set; In use if overrun condition; Equipment will be pointed out, and shows the value that transfinites, and equipment provides self check and the function that reports an error; Can be configured through hardware or software, support the current sensor and the voltage sensor of different proportion; Also can realize coding through the external plug wire jumper to the product mailing address; Has the RS485 communication function; The assembling design of power panel and master control board and the design of stiffener have increased the practicality of watt-hour meter.
Description of drawings
Fig. 1 is a master control board synoptic diagram of the present invention.
Fig. 2 is a power panel synoptic diagram of the present invention.
Fig. 3 is master control board and power panel assembling synoptic diagram.
Fig. 4 is a principle of the invention synoptic diagram.
Fig. 5 is a ratio code allocation circuit diagram of the present invention.
Fig. 6 is the stiffener structural representation on the panel of the present invention.
Embodiment
Embodiment further specifies the present invention below in conjunction with accompanying drawing.
Extremely shown in Figure 6 like Fig. 1; The railcar watt-hour meter comprises power panel 2, voltage sensor, current sensor and master control board 1, display board; Master control board 1 is connected with sensor, digital display tube respectively through sensor interface 15, display interface 16; It is that watt-hour meter provides working power that power panel 2 relies on the train accumulator, and current sensor is gathered the foreign current signal, and voltage sensor is gathered external voltage signal; And be separately converted to the electric current small-signal and export to master control board 1; Processors in the master control board 1 etc. are converted into power informations such as correspondent voltage, electric current, power consumption through sampling and data operation, and in house software analysis capable of using, storage data, and the train power information that measures is shown by digital display tube.
The integral layout that each part mentioned above separates makes each several part have more function expansibility and versatility: can be configured through hardware or software, support the current sensor and the voltage sensor of different proportion.
Inside can be provided with temperature sensor, is implemented under the different temperatures situation data of gathering are carried out the temperature correction, reduces error, reaches high Precision Detection.
Rely on above-mentioned components and parts, processing module can realize to realize instantaneous voltage, electric current, power, the measurement of voltage/current effective value/peak value, active power, harmonic wave active power, fundamental active power, fundamental wave reactive power power, power factor (PF) etc.Can also utilize inner real-time clock to write down charge value on a time period respectively, and can check, analyze, handle historical data through software on ground.
For expanding its function; Master control board 1 is provided with USB card extender 10, usb 11; Can connect the host computer data download through the usb data line; Perhaps insert USB flash disk and download, preserve data, Permanent File Name and file type under the autoscan USB flash disk internal fixation file path judge whether that the ammeter program of upgrading into needs also realizes upgrading automatically.
Also be provided with address scrambler 13, RS485 communication part 12 and communication and addressable port 14 in the master control board 1, can realize coding, RS485 communication function through the external plug wire jumper to the product mailing address.
As shown in Figure 3; Four drift angle places of power panel 2 have circular hole 27; Four support columns 17 in the master control board 1 can insert in the circular hole 27, make power panel 2 be installed in master control board 1 top, and the position of master control board 1 corresponding power plate has heat radiation window 18; The DC-DC module of power panel 2 is passed heat radiation window 18 and is close to the housing heat radiation through cooling pad, and prevention module is overheated.
Claims (4)
1. railcar watt-hour meter; Comprise power panel, voltage sensor, current sensor and master control board, display board, power panel is that watt-hour meter provides working power, and voltage sensor and current sensor are gathered voltage, the current signal of circuit-under-test; And with being transferred to master control board through the sensor input interface after the signal conversion; Master control board obtains the information about power data of circuit through data operation, and utilizes in house software analysis, storage data, gives display board through display interface with data transmission; The digital display tube of display board shows the information about power data; It is characterized in that: said master control board is provided with USB card extender, USB interface, connects the downloaded data through the usb data line, downloads, preserves data or carry out firmware update through inserting USB flash disk.
2. railcar watt-hour meter according to claim 1 is characterized in that: also be provided with address scrambler, RS485 communication part, communication and addressable port in the said master control board.
3. railcar watt-hour meter according to claim 1 and 2 is characterized in that: said power panel is installed in the master control board top through the support column in the master control board, and the position of master control board corresponding power plate has the heat radiation window.
4. railcar watt-hour meter according to claim 1 and 2 is characterized in that: the panel at said watt-hour meter external interface place is provided with stiffener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100946851A CN102680778A (en) | 2012-03-31 | 2012-03-31 | Watt-hour meter of subway trains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100946851A CN102680778A (en) | 2012-03-31 | 2012-03-31 | Watt-hour meter of subway trains |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102680778A true CN102680778A (en) | 2012-09-19 |
Family
ID=46813011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100946851A Pending CN102680778A (en) | 2012-03-31 | 2012-03-31 | Watt-hour meter of subway trains |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102680778A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2100633U (en) * | 1991-09-30 | 1992-04-01 | 姜武 | Intelligent electronic watt-hour meter |
| CN101387661A (en) * | 2007-10-08 | 2009-03-18 | 杭州利尔达科技有限公司 | Single-phase electric energy meter capable of avoiding fraudulent use of electricity and measuring calculation method capable of avoiding fraudulent use of electricity |
| CN101403773A (en) * | 2008-11-13 | 2009-04-08 | 北京航空航天大学 | Electric energy meter with WIFI communication function |
| CN101413965A (en) * | 2007-10-17 | 2009-04-22 | 湖北盛佳电器设备有限公司 | Modular assembled electrical energy meter |
| CN101419251A (en) * | 2008-12-08 | 2009-04-29 | 首都师范大学 | Three phase electric energy meter based on C8051F310SOC single-chip |
| CN101482578A (en) * | 2008-11-06 | 2009-07-15 | 丹东华通测控有限公司 | Multifunctional electric energy meter |
| CN101639491A (en) * | 2008-08-01 | 2010-02-03 | 上海安科瑞电气有限公司 | SOC technology-based single-phase guide rail type electrical energy meter and method for realizing metering of electrical energy |
| CN102062811A (en) * | 2009-11-18 | 2011-05-18 | 上海金陵智能电表有限公司 | Single-phase static watt-hour meter with wireless meter reading module |
| CN102062812A (en) * | 2009-11-18 | 2011-05-18 | 上海金陵智能电表有限公司 | Single-phase intelligent electrical energy meter with wireless meter reading module |
| CN102103165A (en) * | 2009-12-17 | 2011-06-22 | 深圳先进技术研究院 | Electricity meter |
| CN102122429A (en) * | 2011-01-11 | 2011-07-13 | 株洲联诚集团有限责任公司 | Intelligent wireless meter reading device for electrical locomotive |
-
2012
- 2012-03-31 CN CN2012100946851A patent/CN102680778A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2100633U (en) * | 1991-09-30 | 1992-04-01 | 姜武 | Intelligent electronic watt-hour meter |
| CN101387661A (en) * | 2007-10-08 | 2009-03-18 | 杭州利尔达科技有限公司 | Single-phase electric energy meter capable of avoiding fraudulent use of electricity and measuring calculation method capable of avoiding fraudulent use of electricity |
| CN101413965A (en) * | 2007-10-17 | 2009-04-22 | 湖北盛佳电器设备有限公司 | Modular assembled electrical energy meter |
| CN101639491A (en) * | 2008-08-01 | 2010-02-03 | 上海安科瑞电气有限公司 | SOC technology-based single-phase guide rail type electrical energy meter and method for realizing metering of electrical energy |
| CN101482578A (en) * | 2008-11-06 | 2009-07-15 | 丹东华通测控有限公司 | Multifunctional electric energy meter |
| CN101403773A (en) * | 2008-11-13 | 2009-04-08 | 北京航空航天大学 | Electric energy meter with WIFI communication function |
| CN101419251A (en) * | 2008-12-08 | 2009-04-29 | 首都师范大学 | Three phase electric energy meter based on C8051F310SOC single-chip |
| CN102062811A (en) * | 2009-11-18 | 2011-05-18 | 上海金陵智能电表有限公司 | Single-phase static watt-hour meter with wireless meter reading module |
| CN102062812A (en) * | 2009-11-18 | 2011-05-18 | 上海金陵智能电表有限公司 | Single-phase intelligent electrical energy meter with wireless meter reading module |
| CN102103165A (en) * | 2009-12-17 | 2011-06-22 | 深圳先进技术研究院 | Electricity meter |
| CN102122429A (en) * | 2011-01-11 | 2011-07-13 | 株洲联诚集团有限责任公司 | Intelligent wireless meter reading device for electrical locomotive |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203332114U (en) | Energy consumption monitoring system of rail transit vehicle | |
| CN104614593A (en) | Self-calibration based high-precision intelligent instrument system and application method thereof | |
| CN105004918A (en) | Acquisition device for operation energy consumption data of urban rail transit train | |
| CN105680860B (en) | Improve the circuit and method of microcontroller A/D conversion accuracy | |
| CN203337299U (en) | Resistance strain-type multi-channel high-accuracy force measurement system | |
| CN102174807B (en) | Ropeless static penetrometer and method for acquiring and processing data | |
| CN208984705U (en) | A kind of device of non-contact measurement sinusoidal current signal frequency and peak value | |
| CN103185645B (en) | High-precision temperature detecting device and detecting method applied to draught fan control system | |
| CN104020693A (en) | Real-time data collecting system for handheld device | |
| CN102122429B (en) | Intelligent wireless meter reading device for electrical locomotive | |
| CN203949716U (en) | A kind of digital weighing sensor | |
| CN204679622U (en) | With the three-phase intelligent electric-energy meter communication interface load capacity proving installation of communication module | |
| CN208861171U (en) | The circuit structure of synchronous acquisition protective device whole phasor | |
| CN102680778A (en) | Watt-hour meter of subway trains | |
| CN104181488A (en) | AC voltage-resistant testing apparatus | |
| CN2911703Y (en) | Fault positioner for communication cable | |
| CN105092963A (en) | Train energy consumption metering and counting module based on MVB network | |
| CN203433041U (en) | An electric energy meter provided with a communication function | |
| CN108225599A (en) | A kind of super capacitor temp detecting controller | |
| CN202058089U (en) | Digital power supply and external displaying device connected with same | |
| CN202870974U (en) | Novel integrated circuit (IC) card natural gas meter based on single chip microcomputer | |
| CN201171153Y (en) | DC protection test control apparatus | |
| CN202815101U (en) | Detection system | |
| CN206960929U (en) | A kind of composite data collector | |
| CN202563060U (en) | Portable solar module detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120919 |