CN106054117B - A kind of palm metering fault error analysis instrument - Google Patents
A kind of palm metering fault error analysis instrument Download PDFInfo
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- CN106054117B CN106054117B CN201610666148.8A CN201610666148A CN106054117B CN 106054117 B CN106054117 B CN 106054117B CN 201610666148 A CN201610666148 A CN 201610666148A CN 106054117 B CN106054117 B CN 106054117B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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Abstract
Palm metering fault error analysis instrument provided by the present application receives the output voltage signal and output current signal of electric energy metering device by input module；Judged and calculated according to two output voltage signals and two output current signals by the electricity inspection module in controller, and compared with the first preset relation, generates inspection result；By remedying electricity quantity module according to inspection result and the second preset relation in controller, electricity is remedied in generation；Inspection result is shown by display module and remedies electricity；Without measuring professional knowledge, only need two output voltage signals of input and two output current signals, it can obtain checking result accordingly by the powerful computing capability of controller and remedy electricity, reduce the operative skill requirement verified for electric energy metering device；And the memory module in controller can store the first preset relation, the second preset relation, check result and remedy electricity, improve storage capacity compared with prior art.
Description
Technical field
The present invention relates to Electric Energy Metering Technology field more particularly to a kind of palm metering fault error analysis instrument.
Background technique
Electric energy metering device is widely used in various electrical domains, and the accuracy and reliability of metering is most important, because
It is necessary to carry out periodical verification to it for this.Although its verification can be greatly reinforced by powerful and accurate on-site calibrator
Implementing ability, but on-site calibrator volume is heavy, it is inconvenient to carry, it is expensive, it is difficult to throughout each implementation scene.
Therefore, the prior art generally passes through TD3250 to various electric energy metering devices progress field-checking.The equipment is applicable in
Active/reactive energy-meter of single-phase, phase three-wire three, three-phase and four-line is verified on site.TD3250 is a kind of portable, intelligent instrument
Device, collection electric parameter metering, electrical energy meter calibration, wiring identification, frequency analysis, waveform is shown, phasor diagram is shown, data management etc. is more
Function is in one.
However, the tester such as the prior art, needs to understand that the professional knowledge of metering could use, for execute-in-place
The skill requirement of personnel is very high, and operating efficiency is low；And it relies solely on simple instrument and can not solve all possible wiring
Mistake, computing capability and storage capacity are poor.
Summary of the invention
In view of this, the present invention provides a kind of palm metering fault error analysis instrument, to solve to operate in the prior art
The problem of skill requirement height, computing capability and storage capacity difference.
To achieve the goals above, technical solution provided in an embodiment of the present invention is as follows:
A kind of palm metering fault error analysis instrument, for being verified to electric energy metering device；It include: shell, setting
In input module and display module on shell, and the controller being connected with the input module and the display module；Institute
Controller is stated to include: electricity inspection module, remedy electricity quantity module and memory module；Wherein:
The input module is used to receive two output voltage signals and two output electric currents of the electric energy metering device
Signal；
The electricity inspection module be used for according to described two output voltage signals and described two output current signals into
Row judgement and calculating, and compared with the first preset relation, generate inspection result；The inspection result includes false wiring feelings
At least one of condition, false wiring figure, vectogram, power or power factor；
The electricity quantity module of remedying is for according to the inspection result and the second preset relation, electricity to be remedied in generation；
The display module is for showing the inspection result and described remedying electricity；
The memory module for store first preset relation, second preset relation, the inspection result and
It is described to remedy electricity.
Preferably, the electricity inspection module includes:
First judgment module, it is default whether the difference for judging between described two output voltage signals is greater than first
It is worth, whether the difference between described two output current signals is greater than the second preset value, described two output voltage signals or institute
State whether two output current signals are zero；
First line inspection unit, for being greater than first preset value when the difference between described two output voltage signals,
Alternatively, the difference between described two output current signals is greater than second preset value, alternatively, described two output voltages are believed
Number or described two output current signals when being zero, by described two output voltage signals and described two output current signals with
First preset relation compares, and generates the false wiring situation；
Second line inspection unit, for being preset when the difference between described two output voltage signals is less than or equal to described first
Value, and, the difference between described two output current signals is less than or equal to second preset value, and, described two output electricity
When pressure signal and described two output current signals are not zero, according to described two output voltage signals and described two outputs
Phase difference and first preset relation between current signal, generate the false wiring situation；The false wiring situation
It include: that short circuit, short circuit and polarity are wrong；
First computing unit, for calculating according to described two output voltage signals and described two output current signals
Obtain the power and the power factor；
First comparison unit, for being sentenced according to described two output voltage signals and described two output current signals
Disconnected and calculating, and compared with the first preset relation, generate the false wiring figure and the vectogram.
Preferably, the input module, which is also used to receive, checks instruction, deletes instruction, saves instruction and print command；
The display module is also used to check that instruction shows corresponding information in the memory module according to；
The memory module, which is also used to be instructed according to the deletion, deletes corresponding information, is instructed and is saved according to the preservation
Corresponding information；
The controller further include: export module, for exporting corresponding information in the memory module.
Preferably, the controller further include: authority module, for looking into the information stored in the memory module
The restriction of right seen and called.
Preferably, the controller further include: inspection tool model, for providing auxiliary computing function for field-checking.
Preferably, the inspection tool model includes: vector counter and scientific calculator.
Preferably, the controller further include: help document module, for providing auxiliary reference function for field-checking.
Preferably, the help document module includes: trigonometric function, Operating Guideline document and circuit counting formula.
Preferably, the input module includes multiple keys；The display module is display screen.
Preferably, the input module and the display module are integrated into touch screen.
The palm metering fault error analysis instrument provided by the present application receives the electrical energy measurement by input module and fills
The output voltage signal and output current signal set；By the electricity inspection module in controller according to described two output voltages
Signal and described two output current signals are judged and are calculated, and are compared with the first preset relation, and inspection knot is generated
Fruit；By remedying electricity quantity module according to the inspection result and the second preset relation in controller, electricity is remedied in generation；By showing
Module shows the inspection result and described remedies electricity；Without measuring professional knowledge, it is only necessary to input described two output voltages
Signal and described two output current signals can obtain checking result accordingly by the powerful computing capability of the controller
With remedy electricity, reduce the operative skill requirement verified for electric energy metering device；And depositing in the controller
Storage module can store first preset relation, second preset relation, the inspection result and described remedy electricity, phase
Storage capacity is improved than the prior art.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram for palm metering fault error analysis instrument that one embodiment of the application provides；
Fig. 2 is a kind of structural schematic diagram for controller that another embodiment of the application provides；
Fig. 3 is the structural schematic diagram for the electricity inspection module that another embodiment of the application provides；
Fig. 4 is the structural schematic diagram for another controller that another embodiment of the application provides.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of palm metering fault error analysis instrument, to solve operative skill requirement in the prior art
High, computing capability and storage capacity difference problem.
Specifically, the palm metering fault error analysis instrument, for being verified to electric energy metering device；Such as Fig. 1 institute
Show, comprising: shell, the input module 101 and display module 102 being set on shell, and with input module 101 and display mould
The connected controller 103 of block 102.
Controller 103 is as shown in Figure 2, comprising: electricity inspection module 201 remedies electricity quantity module 202 and memory module 203.
Specific working principle are as follows:
Input module 101 is used to receive two output voltage signal (U of the electric energy metering deviceABAnd UBC) and two
Output current signal (IAAnd IC)；In specific practical application, two output voltage signal (UABAnd UBC) and two output electricity
Flow signal (IAAnd IC) can be detected for output end of the operator by phase voltammetric meter in the electric energy metering device
, above-mentioned signal is then input to the palm metering fault error analysis instrument by input module 101.
Electricity inspection module 201 is used to be carried out according to described two output voltage signals and described two output current signals
Judgement and calculating, and compared with the first preset relation, generate inspection result；The inspection result includes false wiring feelings
At least one of condition, false wiring figure, vectogram, power or power factor；
Electricity quantity module 202 is remedied for according to the inspection result and the second preset relation, electricity to be remedied in generation；
Display module 102 is for showing the inspection result and described remedying electricity；
Memory module 203 is for storing first preset relation, second preset relation, the inspection result and institute
It states and remedies electricity.
The palm metering fault error analysis instrument provided in this embodiment is known by above-mentioned principle without measuring profession
Know, it is only necessary to described two output voltage signals and described two output current signals are inputted, it can be powerful by controller 103
Computing capability obtains checking result accordingly and remedies electricity, reduces the operative skill verified for electric energy metering device
It is required that；And the memory module 203 in controller 103 can store first preset relation, second preset relation, institute
State inspection result and it is described remedy electricity, improve storage capacity compared with prior art.
In addition, in the prior art, there are it is some once developed to solve on-site calibrator the handheld terminal existed,
The equipment such as hand-held PDA；But since its intelligence degree is low, and the development cycle is long, it is difficult to adapt to office, monitoring, network communication
Etc. rapid development.
And palm metering fault error analysis instrument described in the present embodiment, pass through computing capability powerful in controller 103
And phase can be obtained only by described two output voltage signals and described two output current signals is inputted in storage capacity
The inspection result answered and remedy electricity；Whole device only needs software development in fact, in specific practical application, controller 103
In software can with HTML5 Mobile Development design, with canvas draw etc. various contents.Memory module 203 can be with
It is stored using compact and flexible web；The function of controller 103 can be integrated in existing mobile terminal (such as mobile phone),
The verification for electric energy metering device can be realized；It is not only small in size, intelligence degree is high, and software development time is short, is conducive to
Applied to fields such as office, monitoring, network communications.Moreover, as TD3250 equipment price commonly used in the prior art is higher (usually
According to the difference of its precision, at 3 ten thousand to five ten thousand yuan or so)；And palm metering fault error analysis instrument described in the present embodiment,
It is easy to develop, the verification cost of electric energy metering device can be reduced to ten thousand yuan hereinafter, being more conducive to be widely applied.
It is worth noting that palm metering fault error analysis instrument described in the present embodiment, can be applied to single-phase, three-phase
Active/idle electric energy metering device of three lines, three-phase and four-line, is not specifically limited herein, in the protection scope of the application
It is interior.
In a specific embodiment of the invention, on the basis of Fig. 1 and Fig. 2, electricity inspection module 201, such as Fig. 3 institute
Show, comprising:
First judgment module 301, it is pre- whether the difference for judging between described two output voltage signals is greater than first
If value, whether the difference between described two output current signals is greater than the second preset value, described two output voltage signals or
Whether described two output current signals are zero；
First line inspection unit 302, for being preset when the difference between described two output voltage signals is greater than described first
Value, alternatively, the difference between described two output current signals is greater than second preset value, alternatively, described two outputs are electric
When pressure signal or described two output current signals are zero, described two output voltage signals and described two output electric currents are believed
It number is compared with first preset relation, generates the false wiring situation；
Second line inspection unit 303, for being less than or equal to described first when the difference between described two output voltage signals
Preset value, and, the difference between described two output current signals is less than or equal to second preset value, and, it is described two defeated
When voltage signal and described two output current signals are not zero out, according to described two output voltage signals and described two
Phase difference and first preset relation between output current signal, generate the false wiring situation；The false wiring
Situation includes: that short circuit, short circuit and polarity are wrong；
First computing unit 304, for according to described two output voltage signals and described two output current signals, meter
Calculation obtains the power and the power factor；
First comparison unit 305, for according to described two output voltage signals and described two output current signals into
Row judgement and calculating, and compared with the first preset relation, generate the false wiring figure and the vectogram.
Preferably, input module 101, which is also used to receive, checks instruction, deletes instruction, saves instruction and print command；
Display module 102 is also used to check corresponding information in instruction display memory module 203 according to；
Memory module 203, which is also used to be instructed according to the deletion, deletes corresponding information, is instructed and is saved according to the preservation
Corresponding information；
Controller 103 further include: export module, for exporting corresponding information in memory module 203.
In specific practical application, operator can input two output voltage signals by input module 101
(UABAnd UBC) and two output current signal (IAAnd IC) after, it is default according to controller 103 according to the display of display module 102
Program, corresponding instruction input is carried out by input module 101, to grasp to the palm metering fault error analysis instrument
Make；Specific input form and display format, are not specifically limited, within the scope of protection of this application herein.
In the application for printing the inspection result, specifically can first to the content that prints of needs carry out screenshot,
Storage, and exported into computer, then printed by computer；Or it by mobile phone and can also be beaten by cruel pigtail software
Print machine is attached, and then opens the corresponding printing of mounted print software (such as software factory) progress on mobile phone.
It is not specifically limited herein, it can be depending on its specific application environment, within the scope of protection of this application.
Specifically, input module 101 includes multiple keys on the basis of Fig. 1；Display module 102 is display screen.
Alternatively, input module 101 and display module 102 are integrated into touch screen.
The palm metering fault error analysis instrument can have input module 101, display module 102 and control to be any
The equipment of device 103, the various mobile terminals for having above-mentioned device, compact volume and convenience is easy to carry, can handle scene at any time
The problem of.
Such as when being loaded into the application software including 103 function of controller in mobile phone, corresponding operation reality can be passed through
Referring now to the verification of electric energy metering device, the limitation of user of service is largely expanded.And it is conducive to promote, it is non-professional
Skilled worker upper hand, the personnel without profession can also train quickly.
Also, there is good scalability and adaptability including the application software of 103 function of controller.For data gauge
The expansion of mould, the increase of number of users, more easily can be configured and be extended to system, to meet the requirement of application.It can be convenient
The new service and function of addition, adapt to the demand of variation.
In another specific embodiment of the present invention, on the basis of Fig. 2, as shown in figure 4, controller 103 further include:
Authority module 204, the restriction of right for the information stored in the memory module to be checked and called.
Authority module 204 makes different personnel when carrying out the line inspection and remedying electricity, by the memory module memory
The restriction of right that the information of storage is checked and called, the division of Lai Jinhang permission facilitate unified authorization, distributed management.?
When something goes wrong, relevant person liable can easily be traced into.
Preferably, as shown in figure 4, controller 103 further include: inspection tool model 205, it is auxiliary for being provided for field-checking
Help computing function.
Preferably, inspection tool model 205 includes: vector counter and scientific calculator.
Preferably, as shown in figure 4, controller 103 further include: help document module 206, it is auxiliary for being provided for field-checking
Help the function of reference.
Preferably, help document module 206 includes: trigonometric function, Operating Guideline document and circuit counting formula.
The vector counter is specific in application, can pass through any position on the display module in coordinate diagram
It sets and is clicked, inspection tool model 205 can draw out the vector 1 for hitting position from center point-to-point automatically, while under coordinate diagram
The current value and angle clicked and generate vector can be obtained in the non-optional input frame on side.Any position in coordinate diagram carries out
Second arbitrarily clicks, and inspection tool model 205 can draw out the vector 2 that position is hit from center point-to-point automatically, and generate to
Amount 1 with vector 2 and (vector 3).
The scientific calculator can provide the calculating of 2 systems, 8 systems, 10 systems or 16 systems, and can carry out
The selection that angle system and Circular measure calculate, can calculate the respectively parameter relevant to power system calculation such as trigonometric function, power, herein
It is not specifically limited, it can be depending on its specific application environment.
Each embodiment is described in a progressive manner in the present invention, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
Speech, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration
?.
The above is only the preferred embodiment of the present invention, make skilled artisans appreciate that or realizing of the invention.It is right
A variety of modifications of these embodiments will be apparent to one skilled in the art, general original as defined herein
Reason can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention will not
Be intended to be limited to the embodiments shown herein, and be to fit to it is consistent with the principles and novel features disclosed in this article most
Wide range.
Claims (9)
1. a kind of palm metering fault error analysis instrument, which is characterized in that for being verified to electric energy metering device；Include:
Phase voltammetric meter, shell, the input module and display module being set on shell, and with the input module and the display
The connected controller of module；The controller includes: electricity inspection module, remedies electricity quantity module and memory module；Wherein:
The phase voltammetric meter is used to detect two output voltage signals and two output electric current letters of the electric energy metering device
Number；
The input module is for receiving described two output voltages that the phase voltammetric meter detects the electric energy metering device
Signal and described two output current signals；
The electricity inspection module according to described two output voltage signals and described two output current signals for being sentenced
Disconnected and calculating, and compared with the first preset relation, generate inspection result；The inspection result include false wiring situation,
At least one of false wiring figure, vectogram, power or power factor；
The electricity quantity module of remedying is for according to the inspection result and the second preset relation, electricity to be remedied in generation；
The display module is for showing the inspection result and described remedying electricity；
The memory module is for storing first preset relation, second preset relation, the inspection result and described
Remedy electricity；
Wherein, the electricity inspection module includes:
Whether first judgment module, the difference for judging between described two output voltage signals are greater than the first preset value, institute
State whether the difference between two output current signals is greater than the second preset value, described two output voltage signals or described two
Whether output current signal is zero；
First line inspection unit, for being greater than first preset value when the difference between described two output voltage signals, alternatively,
Difference between described two output current signals is greater than second preset value, alternatively, described two output voltage signals or
When described two output current signals are zero, by described two output voltage signals and described two output current signals with it is described
First preset relation compares, and generates the false wiring situation；
Second line inspection unit, for being less than or equal to first preset value when the difference between described two output voltage signals,
And the difference between described two output current signals is less than or equal to second preset value, and, described two output voltage letters
Number and described two output current signals when being not zero, according to described two output voltage signals and described two output electric currents
Phase difference and first preset relation between signal, generate the false wiring situation；The false wiring situation includes:
Short circuit and short circuit and polarity are wrong；
First computing unit, for being calculated according to described two output voltage signals and described two output current signals
The power and the power factor；
First comparison unit, for according to described two output voltage signals and described two output current signals carry out judgement and
It calculates, and is compared with the first preset relation, generate the false wiring figure and the vectogram.
2. palm metering fault error analysis instrument according to claim 1, which is characterized in that the input module is also used to
Reception checks instruction, deletes instruction, saves instruction and print command；
The display module is also used to check that instruction shows corresponding information in the memory module according to；
The memory module, which is also used to be instructed according to the deletion, deletes corresponding information, is saved according to preservation instruction corresponding
Information；
The controller further include: export module, for exporting corresponding information in the memory module.
3. palm metering fault error analysis instrument according to claim 1 or 2, which is characterized in that the controller also wraps
It includes: authority module, the restriction of right for the information stored in the memory module to be checked and called.
4. palm metering fault error analysis instrument according to claim 1 or 2, which is characterized in that the controller also wraps
It includes: inspection tool model, for providing auxiliary computing function for field-checking.
5. palm metering fault error analysis instrument according to claim 4, which is characterized in that the inspection tool model packet
It includes: vector counter and scientific calculator.
6. palm metering fault error analysis instrument according to claim 1 or 2, which is characterized in that the controller also wraps
It includes: help document module, for providing auxiliary reference function for field-checking.
7. palm metering fault error analysis instrument according to claim 6, which is characterized in that the help document module packet
It includes: trigonometric function, Operating Guideline document and circuit counting formula.
8. palm metering fault error analysis instrument according to claim 1 or 2, which is characterized in that the input module packet
Include multiple keys；The display module is display screen.
9. palm metering fault error analysis instrument according to claim 1 or 2, which is characterized in that the input module and
The display module is integrated into touch screen.
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| CN201610666148.8A CN106054117B (en) | 2016-08-12 | 2016-08-12 | A kind of palm metering fault error analysis instrument |
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| CN201610666148.8A CN106054117B (en) | 2016-08-12 | 2016-08-12 | A kind of palm metering fault error analysis instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108627796A (en) * | 2018-07-27 | 2018-10-09 | 国家电网有限公司 | A kind of detection method of electric energy meter, detection device and terminal |
| CN111830305A (en) * | 2020-06-28 | 2020-10-27 | 珠海普斯雷电子科技有限公司 | Electric quantity compensation measuring method and storage medium |
| CN111766465A (en) * | 2020-06-28 | 2020-10-13 | 广东电网有限责任公司 | Intelligent accounting terminal for electric quantity compensation |
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