CN203037710U - Multifunctional electric power meter based on dual-CPU system - Google Patents
Multifunctional electric power meter based on dual-CPU system Download PDFInfo
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- CN203037710U CN203037710U CN 201320012437 CN201320012437U CN203037710U CN 203037710 U CN203037710 U CN 203037710U CN 201320012437 CN201320012437 CN 201320012437 CN 201320012437 U CN201320012437 U CN 201320012437U CN 203037710 U CN203037710 U CN 203037710U
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Abstract
The utility model provides a multifunctional electric power meter based on a dual-CPU system, and the electric power meter comprises a sampling module for collecting three-phase electric signals, a control module connected with the sampling module and used for processing the collected signals, a display module connected with the control module and used for displaying electric parameters and a power module for providing power source to the multifunctional electric power meter, wherein the display module comprises a display CPU for displaying data, and the control module comprises a processing CPU for converting and processing the electric energy parameters outputted by the sampling module. The multifunctional electric power meter based on the dual-CPU system employs a dual-CPU design; processing and conversion of the signals by the electric power meter is realized through the processing CPU, and data display of the electric power meter is realized through the display CPU.
Description
Technical field
The utility model is specifically related to a kind of multifunctional electric meter.
Background technology
The core of electric instrument is conversion, processing and the demonstration to various signals, and the demonstration of signal is generally just paid close attention in the design of the current instrument that is commonly used, to the conversion of signal with to handle also be signal being shown as basic goal, this just is that expansion on the electric instrument function has brought limitation.
And the existing power instrument adopts single chip architecture more, realizes that by chip data receive and output shows, because the restriction of single-chip is difficult to realize conversion, the processing of data, can not satisfy present user demand.
The utility model content
In order to solve above deficiency, the purpose of this utility model provides a kind of multifunctional electric meter based on dual-CPU system, has mainly solved the existing power instrument and has only paid attention to the deficiency that shows.
The technical scheme that its technical matters that solves the utility model adopts is:
A kind of multifunctional electric meter based on dual-CPU system, it comprises for gathering three-phase electricity signals sampling module, being connected with sampling module, for the treatment of the control module of gathering signal, be connected with control module, for the display module of electrical quantity demonstration with for the power module that multifunctional electric meter is provided power supply, described display module comprises the demonstration CPU that shows for data, and described control module comprises the processing CPU that changes and handle for the electrical energy parameter of sampling module output.
Described sampling module comprises current transformer, voltage transformer (VT) and is used for current value and magnitude of voltage are converted to the computation chip of electrical energy parameter that described computation chip is the ATT7022 chip.
Described display module comprises 12684 dot matrix display screens that show for menu in Chinese.
Described electric instrument is provided with control module and is connected, and is used for the communication module that is connected with upper machine communication.
The beneficial effects of the utility model are to use couple CPU to design, by handling CPU realization electric instrument to Signal Processing and conversion, by showing the data demonstration of CPU realization electric instrument.
Description of drawings
Fig. 1 is logical organization synoptic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified:
Referring to Fig. 1, the utility model comprises for gathering three-phase electricity signals sampling module 1, being connected with sampling module 1, for the treatment of the control module 2 of gathering signal, be connected with control module 2, for the display module 3 of electrical quantity demonstration with for the power module 5 that multifunctional electric meter is provided power supply, described display module 3 comprises the demonstration CPU31 that shows for data, and described control module 2 comprises the processing CPU21 that changes and handle for the electrical energy parameter of sampling module 1 output.
Described sampling module comprises current transformer 11, voltage transformer (VT) 12 and is used for current value and magnitude of voltage are converted to the computation chip 13 of electrical energy parameter that described computation chip 13 is the ATT7022 chip.
Described display module 3 comprises 12684 dot matrix display screens 31 that show for menu in Chinese.
Described electric instrument is provided with control module 2 and is connected, and is used for the communication module 4 that is connected with upper machine communication.
Described voltage transformer (VT) 12 summation current transformers 11 are gathered magnitude of voltage and the current value of three-phase electricity respectively, be entered into computation chip 13, described computation chip 13 adopts the ATT7022 chip, described ATT7022 chip can be realized the function that magnitude of voltage that voltage transformer (VT) 12 summation current transformers 11 are gathered and current value are converted to electrical energy parameter, electrical energy parameter after computation chip 13 will be changed again then is input to handles CPU21, this processing CPU21 is converted to three-phase voltage with the electrical energy parameter that receives, three-phase current, active power, reactive power, power factor, mains frequency, parameter such as active energy or reactive energy, be input to the demonstration CPU31 of display module 3 then respectively, realize that by showing CPU31 multidata shows at 12684 dot matrix display screens 32.
The utility model is provided with communication module 4, and described communication module 4 is connected with control module 2, and the information to multifunctional electric meter that can be implemented on the host computer is checked, and realized Long-distance Control by 4 pairs of electric instruments of communication module.
Embodiment should not be considered as restriction of the present utility model, but any improvement of doing based on spirit of the present utility model, all should be within protection domain of the present utility model.
Claims (4)
1. multifunctional electric meter based on dual-CPU system, it comprises for gathering three-phase electricity signals sampling module (1), be connected with sampling module (1), for the treatment of the control module (2) of gathering signal, be connected with control module (2), be used for the display module (3) that electrical quantity shows, the power module (5) that is connected and is used for multifunctional electric meter is provided power supply with control module (2), it is characterized in that: described display module (3) comprises the demonstration CPU(31 that shows for data), described control module (2) comprises the processing CPU(21 that changes and handle for the electrical energy parameter of sampling module (1) output).
2. the multifunctional electric meter based on dual-CPU system according to claim 1, it is characterized in that, described sampling module (1) comprises current transformer (11), voltage transformer (VT) (12) and is used for current value and magnitude of voltage are converted to the computation chip (13) of electrical energy parameter that described computation chip (13) is the ATT7022 chip.
3. the multifunctional electric meter based on dual-CPU system according to claim 1 is characterized in that, described display module (3) comprises 12684 dot matrix display screens (32) that show for menu in Chinese.
4. the multifunctional electric meter based on dual-CPU system according to claim 1 is characterized in that, described electric instrument is provided with control module (2) and is connected, and is used for the communication module (4) that is connected with upper machine communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320012437 CN203037710U (en) | 2013-01-10 | 2013-01-10 | Multifunctional electric power meter based on dual-CPU system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320012437 CN203037710U (en) | 2013-01-10 | 2013-01-10 | Multifunctional electric power meter based on dual-CPU system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203037710U true CN203037710U (en) | 2013-07-03 |
Family
ID=48689821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320012437 Expired - Lifetime CN203037710U (en) | 2013-01-10 | 2013-01-10 | Multifunctional electric power meter based on dual-CPU system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203037710U (en) |
-
2013
- 2013-01-10 CN CN 201320012437 patent/CN203037710U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160704 Address after: 337000 Jiangxi city of Pingxiang province Chishan Industrial Park Patentee after: JIANGXI HJATIS POWER INDUSTRY Co.,Ltd. Address before: 325604, Jetta road 84, Liushi Town, Wenzhou, Zhejiang, Yueqing Patentee before: ZHEJIANG HUAJIAN ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130703 |