CN206038895U - Harmonic is multichannel error calculation device for electric energy meter verification - Google Patents
Harmonic is multichannel error calculation device for electric energy meter verification Download PDFInfo
- Publication number
- CN206038895U CN206038895U CN201621019563.6U CN201621019563U CN206038895U CN 206038895 U CN206038895 U CN 206038895U CN 201621019563 U CN201621019563 U CN 201621019563U CN 206038895 U CN206038895 U CN 206038895U
- Authority
- CN
- China
- Prior art keywords
- error
- circuit module
- electric energy
- energy meter
- detection pattern
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides a harmonic is multichannel error calculation device for electric energy meter verification, be in including casing and setting test circuit module in the casing, test circuit module include the MCU controller and respectively by MCU controller control connection's detection mode switching circuit module, error mode switching circuit module, sampling input circuit module, error mode indicator lamp circuit module, error show circuit module and power circuit module, be provided with error display screen, error mode indication lamp, detection mode switch key, error mode switch key and sampling input interface on the casing respectively. This harmonic is multichannel error calculation device for electric energy meter verification has that design science, practicality are strong, easy operation, the function is comprehensive, the accuracy is high advantage.
Description
Technical field
The utility model is related to a kind of error calculating device, specifically, relate to a kind of harmonic electric energy meter calibrating and uses many
Channel error computing device.
Background technology
Conventional single-phase, equipment for three-phase electrical energy meter epi-position error calculating device can only examine and determine induction type or electronics at present
The active or idle a certain item elementary error of the all-wave of formula electric energy meter, under the grid condition for having harmonic background, it is impossible to while seeing
To electric energy meter is active to all-wave or reactive energy, the situation of fundamental energy harmonic electric energy metering error.
In order to solve the problem with present on, people are seeking a kind of preferable technical solution always.
The content of the invention
The purpose of this utility model is for the deficiencies in the prior art, so as to provide a kind of design science, practical, behaviour
Make the high harmonic electric energy meter calibrating of simple, complete function, accuracy and use multichannel error calculating device.
To achieve these goals, the technical scheme adopted by the utility model is：A kind of harmonic electric energy meter calibrating uses many
Channel error computing device, including housing and the test circuit module being arranged in the housing；The test circuit module bag
Include MCU controllers and controlled circuit of sampling input module, the detection pattern switching circuit mould of connection respectively by the MCU controllers
Block, error mode switching circuit module, error mode indicator light circuit module, error display circuit module and power circuit mould
Block；The circuit of sampling input module is connected to harmonic electric energy meter by the sampling input interface；The MCU controllers according to
The data of the circuit of sampling input module collection for receiving, calculate the error amount of the data；The detection pattern switching circuit
Module is used for selecting detection pattern, the error mode switching circuit module to be used for Select Error type, the MCU controllers root
According to the detection pattern, error mode output error value that select；The output end of the MCU controllers is connected to error display screen
With multiple error mode indicator lamps, a kind of corresponding error mode of each described error mode indicator lamp；The detection pattern switching
Circuit module is provided with detection pattern switching switch, and the error mode switching circuit module is provided with error mode switching and opens
Close；The error display screen, the error mode indicator lamp, detection pattern switching switch, error mode switching are opened
The input interface that closes and sample is respectively provided with the housing.
Based on above-mentioned, the test circuit module also includes CAN communication circuit module, and the MCU controllers are by described
CAN communication circuit module connects terminal.
Based on above-mentioned, standard frequency input circuit mould of the test circuit module also including the connection MCU controllers
Block, for being input into precision clock source.
Based on above-mentioned, the circuit of sampling input module includes photoelectricity sampling input circuit and pulse signal sampling circuit.
Based on above-mentioned, error mode include the active P of all-wave, all-wave is idle Q, fundamental active P1, the active positive PH+ of harmonic wave and
The active reverse PH- of harmonic wave, detection pattern include frequency, timing and accumulated pulse number.
Based on above-mentioned, the error display screen is 8 Digital sum pipes.
The utility model hinge structure has substantive distinguishing features and progress, and specifically, the utility model is controlled with MCU
Device processed is control core, is connected to harmonic electric energy meter by circuit of sampling input module, by detection pattern switching circuit module
Switching selects detection pattern, switches Select Error detection type by error mode switching circuit module, and the MCU controllers connect
Selected detection pattern, error mode and error amount is received and exports, which has design science, practical, simple to operate, work(
Can the high advantage of comprehensive, accuracy.
Description of the drawings
Fig. 1 is structural schematic block diagram of the present utility model.
Specific embodiment
Below by specific embodiment, the technical solution of the utility model is described in further detail.
As shown in figure 1, multichannel error calculating device use in a kind of calibrating of harmonic electric energy meter, including housing and described in being arranged on
Test circuit module in housing；The test circuit module includes MCU controllers and is connected by MCU controllers control respectively
The circuit of sampling input module that connects, detection pattern switching circuit module, error mode switching circuit module, error mode indicator lamp
Circuit module, error display circuit module and power circuit block；The circuit of sampling input module is by the sampling input
Interface is connected to harmonic electric energy meter；Data of the MCU controllers according to the circuit of sampling input module collection for receiving, meter
Calculate the error amount of the data；The detection pattern switching circuit module is used for selecting detection pattern, the error mode switching electricity
Road module is used for Select Error type, and the MCU controllers are according to the detection pattern, error mode output error value for selecting；Institute
The output end for stating MCU controllers is connected to error display screen and multiple error mode indicator lamps, each described error mode
A kind of error mode of indicator lamp correspondence；The detection pattern switching circuit module is provided with detection pattern switching switch, the mistake
Difference mode switching circuit module is provided with error mode switching switch；The error display screen, the error mode indicator lamp, institute
State detection pattern switching switch, error mode switching switch and input interface of sampling to be respectively provided with the housing.
The power circuit block provides power supply for the harmonic electric energy meter calibrating multichannel error calculating device, described
MCU controllers receive harmonic signal by the circuit of sampling input module, switch switch control rule institute by the detection pattern
State detection pattern switching circuit module and select detection pattern, cut by error mode described in error mode switching switch control rule
Change circuit module and select detection and the error pattern for showing, and institute is shown come correspondence by lighting for the error mode indicator lamp
The error mode of selection, is shown by the error display screen after the controller calculation error value.
In practice, error mode includes the active P of all-wave, all-wave is idle Q, fundamental active P1, active positive PH+ is harmonious for harmonic wave
The active reverse PH- of ripple, detection pattern include frequency, timing and accumulated pulse number.The error display screen is 8 Digital sum pipes,
The error display screen also shows selected detection pattern.
Preferably, the test circuit module also includes CAN communication circuit module, and the MCU controllers pass through the CAN
Communication circuit module connects terminal, while to realize that hardware exchange is controlled, it is also possible to by the terminal
Realize software exchange control.
In practice, the test circuit module also includes the standard frequency input circuit module of the connection MCU controllers,
For being input into precision clock source.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model rather than which is limited
System；Although being described in detail to the utility model with reference to preferred embodiment, those of ordinary skill in the art should
Understand：Still specific embodiment of the present utility model can be modified or equivalent is carried out to some technical characteristics and replace
Change；Without deviating from the spirit of technical solutions of the utility model, which all should cover the technical scheme being claimed in the utility model
In the middle of scope.
Claims (6)
1. multichannel error calculating device is used in a kind of harmonic electric energy meter calibrating, it is characterised in that：Including housing and it is arranged on described
Test circuit module in housing；
The test circuit module includes MCU controllers and is controlled the circuit of sampling input of connection respectively by the MCU controllers
Module, detection pattern switching circuit module, error mode switching circuit module, error mode indicator light circuit module, error show
Show circuit module and power circuit block；
The circuit of sampling input module is connected to harmonic electric energy meter by the sampling input interface；The MCU controllers root
According to the data of the circuit of sampling input module collection for receiving, the error amount of the data is calculated；
The detection pattern switching circuit module is used for selecting detection pattern, the error mode switching circuit module to be used for selecting
Error pattern, the MCU controllers are according to the detection pattern, error mode output error value for selecting；The MCU controllers it is defeated
Go out end and be connected to error display screen and multiple error mode indicator lamps, each described error mode indicator lamp correspondence is a kind of by mistake
Differential mode formula；
The detection pattern switching circuit module is provided with detection pattern switching switch, and the error mode switching circuit module sets
It is equipped with error mode switching switch；The error display screen, the error mode indicator lamp, the detection pattern switching switch,
The error mode switching switch and input interface of sampling are respectively provided with the housing.
2. multichannel error calculating device is used in harmonic electric energy meter calibrating according to claim 1, it is characterised in that：The survey
Examination circuit module also includes CAN communication circuit module, and the MCU controllers are calculated by CAN communication circuit module connection
Machine terminal.
3. multichannel error calculating device is used in harmonic electric energy meter calibrating according to claim 2, it is characterised in that：The survey
Examination circuit module also includes the standard frequency input circuit module of the connection MCU controllers, for being input into precision clock source.
4. multichannel error calculating device is used in harmonic electric energy meter calibrating according to claim 3, it is characterised in that：It is described to adopt
Sample input circuit module includes photoelectricity sampling input circuit and pulse signal sampling circuit.
5. the harmonic electric energy meter calibrating multichannel error calculating device according to any one of claim 1-4, its feature exist
In：Error mode includes that the active P of all-wave, all-wave is idle Q, fundamental active P1, the active positive PH+ harmonics of harmonic wave are active reversely
PH-, detection pattern include frequency, timing and accumulated pulse number.
6. multichannel error calculating device is used in harmonic electric energy meter calibrating according to claim 5, it is characterised in that：The mistake
Difference display screen is 8 Digital sum pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621019563.6U CN206038895U (en) | 2016-08-31 | 2016-08-31 | Harmonic is multichannel error calculation device for electric energy meter verification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621019563.6U CN206038895U (en) | 2016-08-31 | 2016-08-31 | Harmonic is multichannel error calculation device for electric energy meter verification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206038895U true CN206038895U (en) | 2017-03-22 |
Family
ID=58300715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621019563.6U Expired - Fee Related CN206038895U (en) | 2016-08-31 | 2016-08-31 | Harmonic is multichannel error calculation device for electric energy meter verification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206038895U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273209A (en) * | 2020-03-16 | 2020-06-12 | 电子科技大学 | Channel consistency calibration method of dual-channel instrument |
| CN111610337A (en) * | 2020-05-20 | 2020-09-01 | 佳思德科技(深圳)有限公司 | Alcohol detector calibrating device and method for displaying current calibration allowable error |
-
2016
- 2016-08-31 CN CN201621019563.6U patent/CN206038895U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273209A (en) * | 2020-03-16 | 2020-06-12 | 电子科技大学 | Channel consistency calibration method of dual-channel instrument |
| CN111610337A (en) * | 2020-05-20 | 2020-09-01 | 佳思德科技(深圳)有限公司 | Alcohol detector calibrating device and method for displaying current calibration allowable error |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB2585588A (en) | Non-intrusive load identification-based submetering smart electricity meter | |
| CN101576595B (en) | Online monitoring and electricity testing method of switch cabinet lightning arrester and device for realizing same | |
| CN206583968U (en) | A kind of charging pile measures calibration equipment | |
| CN202093092U (en) | All-round power metering chip | |
| CN105785135A (en) | Frequency conversion ground impedometer | |
| CN105116278A (en) | Electric energy meter missort line tracker | |
| CN206038895U (en) | Harmonic is multichannel error calculation device for electric energy meter verification | |
| CN108535575A (en) | Power quality analysis device based on short-distance wireless communication technology | |
| CN202230155U (en) | Three-phase digital intelligent electric energy quality detection device | |
| CN203561692U (en) | Electric energy meter possessing automatic measuring range switching and capable of metering fundamental wave and harmonic wave respectively | |
| CN204389614U (en) | A kind of portable multi-function energy efficiency monitor | |
| CN204302709U (en) | A kind of hand-held signal generator | |
| CN207164236U (en) | Intelligent substation metering secondary metering device composition error off-line measurement system | |
| CN205679721U (en) | The intelligence instrument of the automatic discrimination three-phase three-wire electric energy meter mode of connection | |
| CN204882853U (en) | Electric energy meter pressure resistance test installation | |
| CN208672718U (en) | Power quality analysis device based on short-distance wireless communication technology | |
| CN107329096B (en) | A kind of power supply signal acquisition feature extraction device based on ARM framework | |
| CN204348062U (en) | A kind of Electro-metering terminal data collecting device based on power line communication | |
| CN203433041U (en) | An electric energy meter provided with a communication function | |
| CN207149071U (en) | The circuit and hand-held terminal device of local detection are copied for electric power low-pressure collection | |
| CN202443119U (en) | Digital electric-energy meter calibrator with digital electronic mutual-inductor output end | |
| CN204964670U (en) | Electric energy strapping table inspection of a line appearance of visiting one house after another | |
| CN112965013B (en) | Electric power measurement V-V wiring PT secondary reverse polarity judgment device | |
| CN104615030A (en) | Portable function signal generator | |
| CN205450074U (en) | Two meter degree ware three -phase kilowatt -hour meters of two rates of outer accuse |
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: 20170322 Termination date: 20210831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |