CN201514443U - Novel multifunctional energy meter - Google Patents
Novel multifunctional energy meter Download PDFInfo
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- CN201514443U CN201514443U CN2009202268086U CN200920226808U CN201514443U CN 201514443 U CN201514443 U CN 201514443U CN 2009202268086 U CN2009202268086 U CN 2009202268086U CN 200920226808 U CN200920226808 U CN 200920226808U CN 201514443 U CN201514443 U CN 201514443U
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Abstract
The utility model discloses a novel multifunctional energy meter which comprises a current sensor, a voltage sensor, a metering module, a master control chip and a communication module, wherein the current sensor and the voltage sensor are connected with the master control chip through the metering module, and the master control chip is connected with the communication module. The novel multifunctional energy meter also comprises an input module, an output module, a power module, a FLASH storage module and a display module, which are respectively connected with the master control chip. The novel multifunctional energy meter integrates the functions of metering, detecting, controlling and communication, and can quickly upgrade the informatization, the automation and the networked management level of a power grid with less investment.
Description
Technical field
The utility model relates to a kind of electric quantity metering instrument, relates to a kind of electric energy meter specifically.
Background technology
At present, carry out in State Grid Corporation of China emerging the electric energy meter of functions such as the detection of multiple cooperation electrical network, control, communication on the market under the general requirement of intelligent grid construction.Such electric energy meter function is disperseed, and modules such as metering, detection, control, communication are accessory independently, and information flowrate is low between each accessory, and arithmetic speed is slow, some often takes place misread, judge by accident operation, brings many troubles to the technician.
Therefore being badly in need of design a kind of is target with high precision, multi-functional, high-performance, on electric energy meter conventional metered dose function basis, realizes that by expansion multinomial high added values such as detection, control, communication are the multifunctional electric energy meter of one.
The utility model content
The purpose of this utility model is to provide a kind of Multifunction electric energy meter, and this electric energy meter has the integrated degree height of function, and each modular circuit connects simple advantage.
The utility model for achieving the above object, the technical solution of employing is:
A kind of Multifunction electric energy meter comprises current sensor, voltage sensor, metering module, main control chip and communication module, and current sensor, voltage sensor are connected with main control chip by metering module respectively, and main control chip is connected with communication module.
Above-mentioned Multifunction electric energy meter also comprises load module, output module, power module, FLASH memory module and the display module that is connected with main control chip respectively.
Above-mentioned main control chip adopts 32 ARM7TDMI-S chips supporting real-time simulation and embedded tracking.
Above-mentioned metering module adopts the computation chip of integrated fast Fourier transformation algorithm.
Above-mentioned communication module comprises GPRS communication module, infrared communication module and photoelectricity isolation RS 485 communication module.
Above-mentioned FLASH memory module adopts Nonvolatile ferroelectric memory.
Above-mentioned power module is lithium battery and electrical network duplicate supply pattern.
Above-mentioned display module adopts LCD display.
Above-mentioned load module comprises key circuit and warning circuit.
Above-mentioned output module comprises electric pulse output circuit and clock frequency output circuit.
The beneficial effects of the utility model: this kind Multifunction electric energy meter, the metering of function collection, detection, control, communication are one, can promote informationization, robotization and the network management level of electrical network with less investment rapidly.Based on GPRS wireless network communication pattern and INTERNET network technology, can conveniently realize real time data acquisition, transmission, monitoring and management.Need not lay the dedicated telephone line road, simple installation, be convenient to safeguard.Can be widely used in the power consuming administrative system of sub-district, cities and towns, rural area, industrial and mining enterprises.
Description of drawings
Fig. 1 is the connection block diagram of each module in the Multifunction electric energy meter.
Below in conjunction with accompanying drawing the utility model is elaborated:
Embodiment
In conjunction with Fig. 1, a kind of Multifunction electric energy meter, comprise current sensor, voltage sensor, metering module, main control chip and communication module, current sensor, voltage sensor are connected with main control chip by metering module respectively, and main control chip is connected with communication module.
The Multifunction electric energy meter also comprises load module, output module, power module, FLASH memory module and the display module that is connected with main control chip respectively.
Above-mentioned main control chip adopts 32 ARM7TDMI-S chips supporting real-time simulation and embedded tracking.Metering module adopts the computation chip of integrated fast Fourier transformation algorithm.Communication module comprises GPRS communication module, infrared communication module and photoelectricity isolation RS 485 communication module.The FLASH memory module adopts Nonvolatile ferroelectric memory.Power module is lithium battery and electrical network duplicate supply pattern.Display module adopts LCD display.Load module comprises key circuit and warning circuit.Output module comprises electric pulse output circuit and clock frequency output circuit.
Main control chip is selected 32 microprocessors of technical grade for use, this is the RISC kernel of the high performance ARM Cortex-M332 of a enhancement mode position, and frequency of operation is 72MHz, built-in high-speed memory, abundant enhancing I/O port, and comprise standard and advanced communication interface.
It is ± 0.1% at 1000: 1 dynamic range internal linear degree that metering module adopts the energy data linearity.Can accurately measure the effective voltage value of instantaneous voltage, electric current, power, minimum working current, sinusoidal ac signal, meritorious and reactive power; Meritorious first-harmonic and harmonic power, idle fundamental power, power factor, frequency etc.Parameters such as voltage, electric current, power adopt fft algorithm, and measures such as interpolation ranking method, dynamic gain adjustment, mutual inductor amplitude, phase angle compensation algorithm and automatic environment temperature tracking have meanwhile improved the metering precision.
Power module adopts the three phase supply mode, and any one has electricity can guarantee operate as normal mutually, does not all have as if three-phase electricity A, B, C item under the situation of electricity, by lithium battery power supply.
This kind Multifunction electric energy meter has increased functions such as Monitoring and Controlling on the basis of traditional electric energy parameter measurement, whole system meets the requirement of DL/T614 industry standard, advanced technology, perfect in shape and function, dependable performance can realize multinomial functions such as automatic data logging, count by time sharing, line loss analyzing.And can carry out operations such as remote signalling, distant arteries and veins, remote measurement, remote control to electric energy meter by remote server.Show various parameter and the measurement data of being provided with by liquid crystal LCD; Multilevel menu, Chinese character show, and be directly perceived, clear.
Certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present utility model also should belong to protection domain of the present utility model.
Claims (10)
1. Multifunction electric energy meter, it is characterized in that: described multifunctional electric energy meter comprises current sensor, voltage sensor, metering module, main control chip and communication module, current sensor, voltage sensor are connected with main control chip by metering module respectively, and main control chip is connected with communication module.
2. a kind of Multifunction electric energy meter according to claim 1 is characterized in that: described Multifunction electric energy meter also comprises load module, output module, power module, FLASH memory module and the display module that is connected with main control chip respectively.
3. a kind of Multifunction electric energy meter according to claim 1 is characterized in that: described main control chip adopts 32 ARM7TDMI-S chips or the ARM Cortex-M3 chip of supporting real-time simulation and embedded tracking.
4. a kind of Multifunction electric energy meter according to claim 1, it is characterized in that: described metering module adopts the computation chip of integrated fast Fourier transformation algorithm.
5. a kind of Multifunction electric energy meter according to claim 1 is characterized in that: described communication module comprises GPRS communication module, infrared communication module and photoelectricity isolation RS 485 communication module.
6. a kind of Multifunction electric energy meter according to claim 2 is characterized in that: described FLASH memory module adopts Nonvolatile ferroelectric memory.
7. a kind of Multifunction electric energy meter according to claim 2 is characterized in that: described power module is lithium battery and electrical network duplicate supply pattern.
8. a kind of Multifunction electric energy meter according to claim 2 is characterized in that: described display module adopts LCD display.
9. a kind of Multifunction electric energy meter according to claim 2, it is characterized in that: described load module comprises key circuit and warning circuit.
10. according to each described a kind of Multifunction electric energy meter in the claim 2 to 8, it is characterized in that: described output module comprises electric pulse output circuit and clock frequency output circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202268086U CN201514443U (en) | 2009-09-17 | 2009-09-17 | Novel multifunctional energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202268086U CN201514443U (en) | 2009-09-17 | 2009-09-17 | Novel multifunctional energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201514443U true CN201514443U (en) | 2010-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202268086U Expired - Fee Related CN201514443U (en) | 2009-09-17 | 2009-09-17 | Novel multifunctional energy meter |
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| CN (1) | CN201514443U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102160918A (en) * | 2011-01-18 | 2011-08-24 | 成都安吉斯信息技术有限公司 | Industrial grade embedded multichannel fire remote-monitoring transmission equipment |
| CN103217574A (en) * | 2013-03-20 | 2013-07-24 | 国家电网公司 | Metering device of checking tool of electric energy data |
| CN103809018A (en) * | 2012-11-14 | 2014-05-21 | 上海华冠电子设备有限责任公司 | Electric energy metering device and method |
| CN104535831A (en) * | 2015-01-15 | 2015-04-22 | 威胜集团有限公司 | Wide-range electric energy meter based on hall sensor |
| CN105067879A (en) * | 2015-08-24 | 2015-11-18 | 湖州高鼎智能科技有限公司 | Multifunctional electric meter |
| CN105137170A (en) * | 2015-08-24 | 2015-12-09 | 湖州高鼎智能科技有限公司 | Intelligent ammeter |
| CN106200389A (en) * | 2016-06-22 | 2016-12-07 | 宁波三星医疗电气股份有限公司 | A kind of intelligent electric energy meter based on embedded system |
-
2009
- 2009-09-17 CN CN2009202268086U patent/CN201514443U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102160918A (en) * | 2011-01-18 | 2011-08-24 | 成都安吉斯信息技术有限公司 | Industrial grade embedded multichannel fire remote-monitoring transmission equipment |
| CN103809018A (en) * | 2012-11-14 | 2014-05-21 | 上海华冠电子设备有限责任公司 | Electric energy metering device and method |
| CN103217574A (en) * | 2013-03-20 | 2013-07-24 | 国家电网公司 | Metering device of checking tool of electric energy data |
| CN103217574B (en) * | 2013-03-20 | 2015-09-02 | 国家电网公司 | A kind of electric energy data checks the metering outfit of instrument |
| CN104535831A (en) * | 2015-01-15 | 2015-04-22 | 威胜集团有限公司 | Wide-range electric energy meter based on hall sensor |
| CN104535831B (en) * | 2015-01-15 | 2017-07-18 | 威胜集团有限公司 | Wide magnitude electrical energy meter based on Hall sensor |
| CN105067879A (en) * | 2015-08-24 | 2015-11-18 | 湖州高鼎智能科技有限公司 | Multifunctional electric meter |
| CN105137170A (en) * | 2015-08-24 | 2015-12-09 | 湖州高鼎智能科技有限公司 | Intelligent ammeter |
| CN106200389A (en) * | 2016-06-22 | 2016-12-07 | 宁波三星医疗电气股份有限公司 | A kind of intelligent electric energy meter based on embedded system |
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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: 20100623 Termination date: 20140917 |
|
| EXPY | Termination of patent right or utility model |