CN202870205U - Electric energy quality detecting device based on ARM - Google Patents
Electric energy quality detecting device based on ARM Download PDFInfo
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- CN202870205U CN202870205U CN 201220519381 CN201220519381U CN202870205U CN 202870205 U CN202870205 U CN 202870205U CN 201220519381 CN201220519381 CN 201220519381 CN 201220519381 U CN201220519381 U CN 201220519381U CN 202870205 U CN202870205 U CN 202870205U
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Abstract
The utility model discloses an electric energy quality detecting device based on an ARM. The electric energy quality detecting device based on the ARM comprises an ARM microprocessor module, a voltage and current transformer, an electric energy data processing module, a liquid crystal display module, an Ethernet communication module and a control module. An input end of the voltage and current transformer is externally connected with an external power grid. An output end of the voltage and current transformer is connected with the ARM microprocessor module through the electric energy data processing module. The ARM microcomputer module carries out communication with the control terminal through the Ethernet communication module. The electric energy quality detecting device based on the ARM processor embedded with a Cortex-M3 kernel has a powerful interface module, guarantees the rapid processing of electric energy data, communicates with the control terminal by using the Ethernet communication module at the same time, is fast in data transmission and good in stability, is provided with a voice playing function, is convenient for a user to carry out detection recording in the field on the electric energy quality, and has a good application prospect.
Description
Technical field
The utility model relates to technical field of power systems, is specifically related to a kind of electric energy quality detection device based on ARM.
Background technology
In recent years, along with GPA, the quickening of informatization paces, popularizing of the industrial equipment of modernization and civil electric appliance equipment, power consumer is more and more higher to the requirement of power supply quality, particularly a large amount of non-linear electric loads are used in daily life and the commercial production, so that the more aobvious protrusion of the power quality problem in the utility network, had a strong impact on the electric power supply quality, Power Quality Detection standard according to national grid, parameters to mains supply is tested, analyzing the quality of power supply of electrical network, is very necessary thing, but traditional electric energy quality detection device, be based on 8 or 16 single-chip microcomputer and carry out that energy data processes, exist processing speed slow, the shortcoming such as hardware configuration is perfect not, and the electric energy detection equipment of now popular utilization DSP processor, although its processing speed is fast, precision is high, but cost is higher, power consumption is large, and dsp processor can not provide good Man Machine Interface, is unfavorable for large-scale popularization.
The utility model content
The purpose of this utility model is to overcome the problems of the prior art, a kind of electric energy quality detection device of the arm processor based on being embedded with the Cortex-M3 kernel is provided, when guaranteeing the energy data fast processing, have powerful interface module, adopt ethernet communication module and control terminal communication, the transmission of data is fast, good stability, and be provided with voice broadcast function, be convenient to the user at the scene to the detection record of the quality of power supply, have a good application prospect.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of electric energy quality detection device based on ARM, it is characterized in that: comprise the ARM microprocessor module, voltage and current transformer, the energy data processing module, LCD MODULE, ethernet communication module and control terminal, the external external electrical network of the input end of described voltage and current transformer, the output terminal of described voltage and current transformer is connected with the ARM microprocessor module by the energy data processing module, described ARM microprocessor module is connected with LCD MODULE, and described ARM microprocessor module also carries out communication by ethernet communication module and control terminal.
Aforesaid electric energy quality detection device based on ARM is characterized in that: also comprise the voice broadcast module, key-press module and the watchdog module that are connected with described microprocessor module.
Aforesaid electric energy quality detection device based on ARM, it is characterized in that: also comprise the power module that operating voltage is provided for each module, described power module comprises that interchange turns DC circuit, and described interchange turns DC circuit and comprises transformer, rectification circuit, EMI filtering circuit and the reduction voltage circuit that connects successively.
Aforesaid electric energy quality detection device based on ARM is characterized in that: described ARM microprocessor module comprises the arm processor that is embedded with the Cortex-M3 kernel.
Aforesaid electric energy quality detection device based on ARM, it is characterized in that: described energy data processing module comprises harmonic wave Acquisition Circuit, electric energy computation chip and AD sample circuit, the input end of described harmonic wave Acquisition Circuit and electric energy computation chip is connected with the output terminal of voltage and current transformer respectively, the output terminal of described harmonic wave Acquisition Circuit and electric energy computation chip also is connected with the ARM microprocessor module by the AD sample circuit, and described AD sample circuit is provided with 16 AD acquisition chips.
The beneficial effects of the utility model are: the electric energy quality detection device of the arm processor based on being embedded with the Cortex-M3 kernel of the present utility model, when guaranteeing the energy data fast processing, has powerful interface module, can expand numerous functions, adopt ethernet communication module and control terminal communication, the transmission of data is fast, good stability, expansion has voice broadcast function, is convenient to the user at the scene to the detection record of the quality of power supply, has a good application prospect.
Description of drawings
Fig. 1 is the system schematic of the electric energy quality detection device based on ARM of the present utility model.
Fig. 2 is the system schematic of power module of the present utility model.
Embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in Figure 1, electric energy quality detection device based on ARM, comprise the ARM microprocessor module, voltage and current transformer, the energy data processing module, LCD MODULE, ethernet communication module and control terminal, the external external electrical network of the input end of voltage and current transformer, the output terminal of voltage and current transformer is connected with the ARM microprocessor module by the energy data processing module, the ARM microprocessor module is connected with LCD MODULE, the ARM microprocessor module also carries out communication by ethernet communication module and control terminal, the voltage here and current transformer, select high precision, volume is little, precision is high, totally-enclosed, machinery and environmental resistance are good, voltage isolation capabilities is strong, safe and reliable and operating frequency range is at voltage and the current transformer of 20 Hz ~ 20 kHz, voltage and current transformer effect are to convert large voltage and current signal to small-signal, are convenient to the subsequent treatment of energy data processing module; The ARM microprocessor module comprises the arm processor that is embedded with the Cortex-M3 kernel, can guarantee the energy data fast processing also to have abundant enhancement mode I/ O port, and extensibility is good, and have moderate cost, low in energy consumption, and exploitation is convenient; Described energy data processing module comprises the harmonic wave Acquisition Circuit, electric energy computation chip and AD sample circuit, the input end of harmonic wave Acquisition Circuit and electric energy computation chip is connected with the output terminal of voltage and current transformer respectively, the output terminal of described harmonic wave Acquisition Circuit and electric energy computation chip also is connected with the ARM microprocessor module by the AD sample circuit, described AD sample circuit is provided with 16 AD acquisition chips, can effectively improve the precision that gathers power quality data, it is the three-phase electric energy metering special chip of ATT7022B that electric energy computation chip is selected model, this chip is applicable to the application of phase three-wire three and three-phase and four-line, seven road second orders collections that it is integrated, wherein three the tunnel are used for the three-phase voltage sampling, three the tunnel are used for current sample, also has one tunnel sampling that can be used for neutral line current or other anti-electricity-theft parameters, output sampled data effective value, easy to use, ATT7022B is also integrated reference voltage circuit and all comprise first-harmonic, the digital signal processing circuit of every electric parameter measurement of harmonic wave and all-wave, can measure respectively to reach mutually to close and comprise mutually first-harmonic, the active power of harmonic wave and all-wave, reactive power, applied power, meritorious energy and quadergy, simultaneously can also survey frequency, each phase current and voltage effective value, power factor, the parameters such as phase angle, send the AD Acquisition Circuit to and carry out the AD conversion, show in LCD MODULE by the ARM microprocessor module, and send power quality data to control terminal by ethernet line, be convenient to user's remote detection.
Also comprise the voice broadcast module, key-press module and the watchdog module that are connected with described microprocessor module, the user can be by carrying out the voice broadcast of current power quality data by key control voice broadcast module in the module that pushes button, the voice broadcast module is the WT588D voice module, low in energy consumption, good stability, watchdog module is used for preventing electric energy quality detection device of the present utility model in use, unexpected collapse (such as electrostatic interference), restart electric energy quality detection device, guarantee the normal operation of electric energy quality detection device.
Electric energy quality detection device of the present utility model also comprises the power module that operating voltage is provided for each module, described power module comprises that interchange turns DC circuit, described interchange turns DC circuit and comprises transformer, rectification circuit, EMI filtering circuit and the reduction voltage circuit that connects successively, direct supply that can stable output is guaranteed the steady operation of each module.
More than show and described ultimate principle of the present utility model, principal character and advantage.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the instructions just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is by appending claims and equivalent circle thereof.
Claims (5)
1. based on the electric energy quality detection device of ARM, it is characterized in that: comprise the ARM microprocessor module, voltage and current transformer, the energy data processing module, LCD MODULE, ethernet communication module and control terminal, the external external electrical network of the input end of described voltage and current transformer, the output terminal of described voltage and current transformer is connected with the ARM microprocessor module by the energy data processing module, described ARM microprocessor module is connected with LCD MODULE, and described ARM microprocessor module also carries out communication by ethernet communication module and control terminal.
2. the electric energy quality detection device based on ARM according to claim 1 is characterized in that: also comprise the voice broadcast module, key-press module and the watchdog module that are connected with described microprocessor module.
3. the electric energy quality detection device based on ARM according to claim 1, it is characterized in that: also comprise the power module that operating voltage is provided for each module, described power module comprises that interchange turns DC circuit, and described interchange turns DC circuit and comprises transformer, rectification circuit, EMI filtering circuit and the reduction voltage circuit that connects successively.
4. the electric energy quality detection device based on ARM according to claim 1, it is characterized in that: described ARM microprocessor module comprises the arm processor that is embedded with the Cortex-M3 kernel.
5. the electric energy quality detection device based on ARM according to claim 1, it is characterized in that: described energy data processing module comprises harmonic wave Acquisition Circuit, electric energy computation chip and AD sample circuit, the input end of described harmonic wave Acquisition Circuit and electric energy computation chip is connected with the output terminal of voltage and current transformer respectively, the output terminal of described harmonic wave Acquisition Circuit and electric energy computation chip also is connected with the ARM microprocessor module by the AD sample circuit, and described AD sample circuit is provided with 16 AD acquisition chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220519381 CN202870205U (en) | 2012-10-11 | 2012-10-11 | Electric energy quality detecting device based on ARM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220519381 CN202870205U (en) | 2012-10-11 | 2012-10-11 | Electric energy quality detecting device based on ARM |
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| Publication Number | Publication Date |
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| CN202870205U true CN202870205U (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220519381 Expired - Fee Related CN202870205U (en) | 2012-10-11 | 2012-10-11 | Electric energy quality detecting device based on ARM |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102998554A (en) * | 2012-10-11 | 2013-03-27 | 苏州爱知电机有限公司 | ARM-based (Advanced RISC Machines-based) power quality detection device |
| CN103630778A (en) * | 2013-11-22 | 2014-03-12 | 中国电子科技集团公司第三十八研究所 | Module for quickly collecting three-phase electrical parameters |
-
2012
- 2012-10-11 CN CN 201220519381 patent/CN202870205U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102998554A (en) * | 2012-10-11 | 2013-03-27 | 苏州爱知电机有限公司 | ARM-based (Advanced RISC Machines-based) power quality detection device |
| CN103630778A (en) * | 2013-11-22 | 2014-03-12 | 中国电子科技集团公司第三十八研究所 | Module for quickly collecting three-phase electrical parameters |
| CN103630778B (en) * | 2013-11-22 | 2016-01-20 | 中国电子科技集团公司第三十八研究所 | Three phase electrical parameters Quick Acquisition module |
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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: 20130410 Termination date: 20151011 |
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| EXPY | Termination of patent right or utility model |