CN201936523U - Electronic simulative multi-purpose electric energy meter and meter reading training device - Google Patents
Electronic simulative multi-purpose electric energy meter and meter reading training device Download PDFInfo
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- CN201936523U CN201936523U CN2010206557016U CN201020655701U CN201936523U CN 201936523 U CN201936523 U CN 201936523U CN 2010206557016 U CN2010206557016 U CN 2010206557016U CN 201020655701 U CN201020655701 U CN 201020655701U CN 201936523 U CN201936523 U CN 201936523U
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Abstract
The utility model provides an electronic simulative multi-purpose electric energy meter, which is characterized by including a casing, a power supply arranged inside the casing, a central processing unit connected with the power supply, a keyboard displaying unit, a storage unit and a timekeeping unit. The central processing unit is provided with serial ports which can be communicated with PC (personal computer) and connected with an electric meter reading device. The electronic simulative multi-purpose electric energy meter adopts a single chip computer technology, further all data inside the electric energy meter can be modified through computers. Cooperating with a reading checking charging training software, simulations of various meter reading faults and environments can be completed. The electronic simulative multi-purpose electric energy meter is provided with an infrared connector so as to realize infrared electric meter reading, adopts a liquid crystal graphic display and has a good interface visibility so that data stored inside the simulative electric energy meter can be browsed, has a function of data storage so that data downloaded form an upper computer can not be lost after power is cutoff, can program on line through a C2 port on a single chip computer.
Description
Technical field
The utility model relates to a kind of imitation multi-functional electric energy meter, specifically, relates to a kind of training and examination meter reading personnel's the electronic type imitation multi-functional electric energy meter and training set of checking meter of being used for.
Background technology
Electric multi-functional electric energy meter is used for occasions such as transformer station, power plant, big industrial user more, needs regular the checking meter of staff of electric system to calculate the electricity charge.Because the One's name is legion of electric energy meter, the staff who needs is also a lot, needs the meter reading personnel is giveed training, so that better finish the work task before work.It is obviously unrealistic to use real electric energy meter to give training, because real electric energy meter cost is higher, the user can will not purchase many genuine electric energy meters because of the training officer, can produce very high extra cost like this.At present the staff being giveed training all is the mode that adopts written explanation principle, demonstrates operation then at the scene.But the mode of on-site training is more single, carries out the change electric energy meter data that the operational power table can not be random at the scene, and the result of training of carrying out can not got well yet like this.Therefore the electric energy meter that need a kind ofly can to change the electric energy meter data, exercise is used when being convenient to the staff and giveing training according to demand.
The utility model content
The utility model provides a kind of electronic type imitation multi-functional electric energy meter and a kind of imitation multi-functional electric energy meter training set in order to solve the problems of the prior art, can change the data of electric energy meter arbitrarily, uses when being used to give training exercise.
In order to realize the purpose of imitation multi-functional electric energy meter of the present invention, the technical scheme of employing is summarized as follows:
A kind of electronic type imitation multi-functional electric energy meter, it is characterized in that, comprise casing, be arranged on the power supply of casing inside, the CPU (central processing unit) that is connected with power supply, keyboard display unit, storage unit, timing unit, described CPU (central processing unit) have serial ports of communicating by letter with PC and the serial ports that is connected with integrated reading device.
Also comprise an infrared copy meter interface.
Described keyboard display unit comprises charactron, LED and button, all is connected on the keyboard display driver chip, and described keyboard display driver chip connects CPU (central processing unit).
Described CPU (central processing unit) is a single-chip microcomputer.
The receiving element of described infrared copy meter interface is the integrated reception head of infrared ray.
Described timing unit adopts the CMOS realtime clock chip.
Described storage unit adopts Nonvolatile ferroelectric I
2The C storage chip.
In order to realize the purpose of the utility model imitation multi-functional electric energy meter training set, the technical scheme of employing is as follows:
A kind of imitation multi-functional electric energy meter training set of checking meter, it is characterized in that, comprise casing, be arranged on the power supply of casing inside, the CPU (central processing unit) that is connected with power supply, keyboard display unit, storage unit, timing unit, described CPU (central processing unit) utilization carries two serial ports, one communicates to connect with PC, and another serial ports and integrated reading device communicate to connect.
Comprise that also an infrared copy meter interface is connected with CPU (central processing unit) by the expansion serial port chip, described infrared copy meter interface and infrared copying instrument communicate to connect.
Described CPU (central processing unit) is a single-chip microcomputer.
Compared with prior art, technique effect of the present utility model has:
1, the imitation multi-functional electric energy meter adopts single-chip microcomputer technology, and its inner all data all can make amendment by computing machine, cooperates to be installed in copying nuclear charge training software and can finish the various faults of checking meter, the simulation of environment on the PC.
2, have infrared interface, can realize infrared copy meter.
3, adopt graphic lcd to browse, the interface visuality is good, can browse the data of storing in the emulation electric energy meter.
4, the function that has data storage is not lost after the data power down that host computer passes down.
5, can be by the C2 interface online programming on the single-chip microcomputer.
Description of drawings
Fig. 1 is the utility model imitation multi-functional electric energy meter internal hardware structural representation;
Fig. 2 is the utility model casing front-panel structure synoptic diagram;
Fig. 3 is the utility model casing rear panel structure synoptic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
As shown in Figure 1, the hardware configuration of the utility model imitation multi-functional electric energy meter comprises:
1) power supply:
Power supply adopts the three-way power power supply, wherein two-way altogether, the one tunnel isolate.Power supply is divided into+3.3v, 5v altogether, and insulating power supply is supplied with the computer interface circuit.
2) single-chip microprocessor MCU
Adopt the C8051F series monolithic, have two UART, can realize two serial port functions, can online programming.
3) expansion serial ports
Adopt the UART extended chip of compatible spi bus.Various messaging parameters such as the mode of operation of this chip and the baud rate of this serial ports, data frame length are provided with by the MCU program.
4) the infrared copy meter interface is communicated by letter with the emulation electric energy meter and is read emulation electric energy meter data.
The infrared copy meter interface is divided into and transmits and receives two parts.The radiated element of radiating portion is an infrarede emitting diode, and color is transparent, and Infrared wavelength is 940nm, the about 100mW of emissive power.The receiving element of receiving unit is the integrated reception head of infrared ray, and it is the module of the infrared reception of collection, amplification, filtering and comparer output etc., and is stable and reliable for performance.Integrated reception head improves the not only simple but also reliability of infrared receiving circuit greatly.
Adopt the carrier signal of 38kHz, carrier signal is produced by MCU, and carrier frequency stability is good, has improved infrared propagation receiving range greatly.Modulation-demodulation signal links to each other with MCU by the serial port chip of expansion, is finished dealing with by MCU.
5) serial ports.
The single-chip microcomputer of emulation electric energy meter has two serial ports, as the RS-485 interface.One is used for realizing that the data between computing machine and the emulation electric energy meter transmit, and another one can be used to realize that the data between integrated reading device and the emulation electric energy meter transmit.Two interfaces all adopt photoelectricity to isolate, the safety of circuit, PC and integrated reading device in guaranteeing.
6) real time clock and memory chip.
The emulation electric energy meter adopts CMOS realtime clock chip, accurate timing.Adopt Nonvolatile ferroelectric I
2The C storage chip, access data speed is fast, and circuit is simple, and power down is obliterated data not.
7) keyboard display unit.
The figure form crystal module is adopted in the demonstration of emulation electric energy meter, and Chinese shows that the interface visuality is good, and adopts 3 LED, meritorious, the idle and warning of prompting respectively.Keyboard adopts 2 buttons, is used for checking on liquid crystal interface all electric energy meter data of browsing in the storer.Adopt 6 charactrons, be used for 485 addresses of indicator gauge.Charactron, LED and button are by 7290I
2C bus keyboard display chip drives.This chip can drive 8 cloudy charactron or 64 independent LED and 64 buttons altogether, and need not outward element and promptly directly drive LED, but external drive electric current and driving voltage.Can provide look-at-me during button.
As shown in Figure 2, emulation electric energy meter casing surface structure of the present utility model comprises:
The upper right quarter of emulation electric energy meter casing front panel has two buttons, is used for the liquid crystal interface that overturns, and browses the data of storing in the emulation electric energy meter so that the user checks.There is a unlatching door middle and lower part, and socket and one group of charactron of a button and a DC3-10P arranged in the door, and the charactron below is that three LED lamps are respectively applied for meritorious, the idle and warning of demonstration.Button is the reset key of emulation electric energy meter, can be used to reset after the emulation electric energy meter has the deadlock phenomenon.The socket of DC3-10P is the C2 interface of one-chip computer online programming in the emulation electric energy meter, but the online modification program.Viewing hardware address during one group of charactron start.When the PC down-transmitting data, show 485 addresses of emulation electric energy meter.11 of connection terminal, 12 pin are another group RS-485 ports of emulation electric energy meter in addition, are computing machine or the integrated reading device ports from emulation electric energy meter reading of data.The upper right corner of emulation electric energy meter is circular transparent infrared copy meter window, and the distance of carrying out infrared copy meter can reach more than one meter.Be the data of removing to read multifunctional electric energy meter with integrated reading device or infrared copying instrument according to the DL-645 agreement; As shown in Figure 3, the perforate of emulation electric energy meter casing rear panel is by drawing a 4p banjo on the printed panel, the RS-485 interface that have the 220V power supply above, links to each other with PC.
More than describe the structure of emulation electric energy meter in detail, when needs give training the staff, cooperate training software that the emulation electric energy meter is connected PC and integrated reading device by two RS-485 interfaces, constitute the training set of checking meter.In the process of using, the staff receives the electric energy meter data that host computer is sent by the RS-485 interface, and it is stored in the emulation electric energy meter Nonvolatile ferroelectric memory.Data content and form are according to the DL-645 standard.Can on liquid crystal interface, follow the some projects that echo is shown electric energy, maximum demand, maximum demand time of origin and variable after the input data.Comprise data item name, bullets, numerical value, unit, period state etc.
Can on liquid crystal interface, check all electric energy meter data of browsing in the storer by two buttons clicking front panel.The data block of checking can be fast liquid crystal interface turned over by the coarse adjustment key, wherein each data item can be checked by the fine tuning key to needs.Can read emulation electric energy meter data by the RS-485 interface by integrated reading device or PC.Communication protocol is according to DL 645 standards.Can read or read by data item by data block.If carry out infrared copy meter, use an infrared copying instrument, read emulation electric energy meter data by infrared interface, communication protocol is according to the DL-645 standard.
Prompting ammeter running status and operation of power networks state on liquid crystal interface.The ammeter running status comprise electric energy meritorious/idle, forwards/reverse and period.The operation of power networks state comprises three-phase overvoltage, decompression, cutout and outage.Simultaneously can point out battery under-voltage.Three meritorious, idle and warnings of luminotron prompting of front panel.Overvoltage, decompression, cutout and outage, and battery warning luminotron flicker when under-voltage.
Claims (10)
1. electronic type imitation multi-functional electric energy meter, it is characterized in that, comprise casing, be arranged on the power supply of casing inside, the CPU (central processing unit) that is connected with power supply, keyboard display unit, storage unit, timing unit, described CPU (central processing unit) have serial ports of communicating by letter with PC and the serial ports that is connected with integrated reading device.
2. electronic type imitation multi-functional electric energy meter as claimed in claim 1 is characterized in that, also comprises an infrared copy meter interface.
3. electronic type imitation multi-functional electric energy meter as claimed in claim 1 is characterized in that described keyboard display unit comprises charactron, LED and button, all is connected on the keyboard display driver chip, and described keyboard display driver chip connects CPU (central processing unit).
4. as claim 1 or 3 described electronic type imitation multi-functional electric energy meters, it is characterized in that described CPU (central processing unit) is a single-chip microcomputer.
5. electronic type imitation multi-functional electric energy meter as claimed in claim 2 is characterized in that, the receiving element of described infrared copy meter interface is the integrated reception head of infrared ray.
6. electronic type imitation multi-functional electric energy meter as claimed in claim 1 is characterized in that, described timing unit adopts the CMOS realtime clock chip.
7. electronic type imitation multi-functional electric energy meter as claimed in claim 1 is characterized in that, described storage unit adopts Nonvolatile ferroelectric I
2The C storage chip.
8. electronic type imitation multi-functional electric energy meter training set of checking meter, it is characterized in that, comprise casing, be arranged on the power supply of casing inside, the CPU (central processing unit) that is connected with power supply, keyboard display unit, storage unit, timing unit, described CPU (central processing unit) utilization carries two serial ports, one communicates to connect with PC, and another serial ports and integrated reading device communicate to connect.
9. the training set of checking meter as claimed in claim 8 is characterized in that, comprises that also an infrared copy meter interface is connected with CPU (central processing unit) by the expansion serial port chip, and a described infrared copy meter interface and an infrared copying instrument communicate to connect.
10. the training set of checking meter as claimed in claim 8 or 9 is characterized in that described CPU (central processing unit) is a single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206557016U CN201936523U (en) | 2010-12-07 | 2010-12-07 | Electronic simulative multi-purpose electric energy meter and meter reading training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206557016U CN201936523U (en) | 2010-12-07 | 2010-12-07 | Electronic simulative multi-purpose electric energy meter and meter reading training device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201936523U true CN201936523U (en) | 2011-08-17 |
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ID=44448039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206557016U Expired - Fee Related CN201936523U (en) | 2010-12-07 | 2010-12-07 | Electronic simulative multi-purpose electric energy meter and meter reading training device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201936523U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104077935A (en) * | 2014-07-09 | 2014-10-01 | 国家电网公司 | Portable intelligent ammeter simulation system and operating method thereof |
| CN105894920A (en) * | 2016-04-07 | 2016-08-24 | 国网浙江省电力公司培训中心 | Fault simulation method of using simulation intelligent electric energy meter |
-
2010
- 2010-12-07 CN CN2010206557016U patent/CN201936523U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104077935A (en) * | 2014-07-09 | 2014-10-01 | 国家电网公司 | Portable intelligent ammeter simulation system and operating method thereof |
| CN105894920A (en) * | 2016-04-07 | 2016-08-24 | 国网浙江省电力公司培训中心 | Fault simulation method of using simulation intelligent electric energy meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20181207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |