CN204101630U - A kind of multiloop AC ammeter - Google Patents
A kind of multiloop AC ammeter Download PDFInfo
- Publication number
- CN204101630U CN204101630U CN201420238702.9U CN201420238702U CN204101630U CN 204101630 U CN204101630 U CN 204101630U CN 201420238702 U CN201420238702 U CN 201420238702U CN 204101630 U CN204101630 U CN 204101630U
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- Prior art keywords
- ammeter
- multiloop
- module
- control treatment
- electric power
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- 238000004891 communication Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 230000000153 supplemental effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 4
- 238000009432 framing Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
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- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model provides a kind of multiloop AC ammeter, comprise sample of signal module, control treatment module, communication module, server and LCD display module, parameters of electric power metering can be carried out to the consumer of many circuits simultaneously, and show by LCD screen, the function of existing 12 single-phase electric meters or 4 three-phase kilowatt-hour meters can be combined together, form structure-integrated multiloop AC ammeter, constructability and Operation and Maintenance, also greatly reduce the use cost of ammeter simultaneously.
Description
Technical field
The utility model relates to ammeter field, particularly the ammeter that exchanges of a kind of multiloop.
Background technology
Widely used various metering ammeter is generally the ammeter of single channel metering in the market, and namely one piece of ammeter can only measure the consumer on a loop, and one piece of ammeter can not measure the parameters of electric power of consumer on multiple loop simultaneously.Along with expanding economy, ammeter is for indispensable each power equipment, and traditional single channel AC ammeter can not meet the needs of development.Increasing demand needs to measure multiple circuit simultaneously, if use multiple ammeter simultaneously, will bring the inconvenience of the aspects such as construction and installation, Centralized Monitoring and Operation and Maintenance, also increases cost and energy consumption simultaneously.
For above problem, the utility model patent is intended to design a kind of multiloop AC ammeter, can carry out parameters of electric power metering simultaneously, and show by LCD screen the consumer of 12 circuits.The function of existing 12 single-phase electric meters or 4 three-phase kilowatt-hour meters can combine together by the multiloop AC ammeter that the utility model provides, form structure-integrated multiloop AC ammeter, constructability operation and maintenance, also greatly reduces the use cost of ammeter simultaneously.
Utility model content
The utility model proposes a kind of multiloop AC ammeter, comprising:
Sample of signal module, connection control processing module, for carrying out electric current and voltage sampling to the consumer in each loop, obtaining simulating signal and sending control treatment module to after carrying out filtering and amplifier process;
Control treatment module, to go forward side by side digitized process for the simulating signal after receiving described process, calculate the parameters of electric power data in each loop, described parameters of electric power data outputted to LCD display module, the simultaneously request of response server by described parameters of electric power data upload to server;
Communication module, connects described control treatment module and server, for responding described server request and being transferred to described control treatment module;
Server, connects described communication module, obtains described parameters of electric power data storing for being sent request to control treatment module by described communication module;
LCD display module, connects described control treatment module, for by described parameters of electric power data output display.
Control treatment module described in the utility model adopts ARM cortex M3 core processor.
Parameters of electric power data described in the utility model comprise power, function, the harmonious wave power supplemental characteristic in each loop.
The precision of the electric current and voltage of multiloop AC ammeter described in the utility model is 0.2 grade, and active energy is 0.5 grade, and reactive energy is 1 grade.
The harmonic wave scope that multiloop AC ammeter described in the utility model may be used for analytical voltage electric current is 2 ~ 32 subharmonic.
Accompanying drawing explanation
Referring to accompanying drawing, the utility model embodiment is described further, wherein:
Fig. 1 is multiloop AC ammeter structural framing figure of the present utility model.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
If Fig. 1 is multiloop AC ammeter structural framing figure of the present utility model, comprise sample of signal module 101, control treatment module 102, communication module 103, server 104 and LCD display module 105.
Sample of signal module 101, for carrying out electric current and voltage sampling to the consumer in each loop, obtain simulating signal and send control treatment module 102 to after carrying out filtering and amplifier process, comprise the filtering of voltage and current signal and the switching power circuit of amplifying circuit and the isolation for system power supply, three-phase voltage is gathered by electric resistance partial pressure mode, 12 external 100mA current transformers gather 12 road electric currents, the function of existing 12 single-phase electric meters or 4 three-phase kilowatt-hour meters can be combined together.
Control treatment module 102, to go forward side by side digitized process for receiving the simulating signal after process, calculate the parameters of electric power data in each loop and output to LCD display module 105, the simultaneously request of response server 104 by described parameters of electric power data upload to server 104.Adopt the ARM cortex M3 core process of STM32F103, comprise the ferroelectric memory FM25L16 storing parameters and real-time energy data, the storer MB85RS16 of store historical data, the separate hardware that the band real-time timepiece chip RX-8025T of temperature compensation and monitoring facilities normally run is guarded the gate chip I MP706RESA.
Communication module 103, connection control processing module 102 and server 104, ask for responding described server 104 and be transferred to described control treatment module 102.Communication modes is RS485, comprises the photoelectric isolating circuit of serial ports and electrical energy pulse, RS485 drives and surge protection circuit.
Server 104, connects described communication module 103, obtains described parameters of electric power data storing for being sent request to control treatment module 102 by described communication module 103.
LCD display module 105, connects described control treatment module 102, for by described parameters of electric power data output display, comprises LCD and driving chip, backlight and the circuit such as Drive and Control Circuit, key-press input.
Multiloop power, function, harmonious wave power supplemental characteristic can be measured and analyze to above multiloop AC ammeter embodiment, and the harmonic wave scope of analytical voltage electric current is 2 ~ 32 subharmonic.And can store the historical data of nearly 40000, the precision of the electric current and voltage of multiloop AC ammeter is 0.2 grade, and active energy is 0.5 grade, and reactive energy is 1 grade.
The above embodiment of the present utility model, does not form the restriction to the utility model protection domain.Any various other made according to technical conceive of the present utility model change and distortion accordingly, all should be included in the protection domain of the utility model claim.
Claims (5)
1. a multiloop AC ammeter, is characterized in that, comprising:
Sample of signal module, connection control processing module, for carrying out electric current and voltage sampling to the consumer in each loop, obtaining simulating signal and sending control treatment module to after carrying out filtering and amplifier process;
Control treatment module, to go forward side by side digitized process for the simulating signal after receiving described process, calculate the parameters of electric power data in each loop, and described parameters of electric power data outputted to LCD display module, the simultaneously request of response server by described parameters of electric power data upload to server;
Communication module, connects described control treatment module and server, for responding described server request and being transferred to described control treatment module;
Server, connects described communication module, obtains described parameters of electric power data storing for being sent request to control treatment module by described communication module;
LCD display module, connects described control treatment module, for by described parameters of electric power data output display.
2. multiloop AC ammeter as claimed in claim 1, is characterized in that, described control treatment module adopts ARMcortex M3 core processor.
3. multiloop AC ammeter as claimed in claim 1, it is characterized in that, described parameters of electric power data comprise power, function, the harmonious wave power supplemental characteristic in each loop.
4. multiloop AC ammeter as claimed in claim 1, it is characterized in that, the precision of the electric current and voltage of described multiloop AC ammeter is 0.2 grade, and active energy is 0.5 grade, and reactive energy is 1 grade.
5. multiloop AC ammeter as claimed in claim 1, it is characterized in that, the harmonic wave scope that described multiloop AC ammeter may be used for analytical voltage electric current is 2 ~ 32 subharmonic.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420238702.9U CN204101630U (en) | 2014-05-09 | 2014-05-09 | A kind of multiloop AC ammeter |
Applications Claiming Priority (1)
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CN201420238702.9U CN204101630U (en) | 2014-05-09 | 2014-05-09 | A kind of multiloop AC ammeter |
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CN204101630U true CN204101630U (en) | 2015-01-14 |
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CN201420238702.9U Expired - Lifetime CN204101630U (en) | 2014-05-09 | 2014-05-09 | A kind of multiloop AC ammeter |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105353183A (en) * | 2015-11-16 | 2016-02-24 | 杭州佳和电气股份有限公司 | Single-phase and three-phase flexible configuration multi-loop external open transformer multifunctional instrument |
CN106771383A (en) * | 2017-02-27 | 2017-05-31 | 博耳(无锡)电力成套有限公司 | Wireless telecommunications electric instrument |
-
2014
- 2014-05-09 CN CN201420238702.9U patent/CN204101630U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105353183A (en) * | 2015-11-16 | 2016-02-24 | 杭州佳和电气股份有限公司 | Single-phase and three-phase flexible configuration multi-loop external open transformer multifunctional instrument |
CN106771383A (en) * | 2017-02-27 | 2017-05-31 | 博耳(无锡)电力成套有限公司 | Wireless telecommunications electric instrument |
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CX01 | Expiry of patent term |