CN109613468A - Dosage compensation method/system, medium and processing equipment based on magnetic field influence amount - Google Patents
Dosage compensation method/system, medium and processing equipment based on magnetic field influence amount Download PDFInfo
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- CN109613468A CN109613468A CN201811634428.6A CN201811634428A CN109613468A CN 109613468 A CN109613468 A CN 109613468A CN 201811634428 A CN201811634428 A CN 201811634428A CN 109613468 A CN109613468 A CN 109613468A
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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
The present invention provides a kind of dosage compensation method/system, medium and processing equipment based on magnetic field influence amount, applied to the compensation device for including relay, the 3-D quantitative magnetic field detection circuit for detecting relay and the processing equipment being electrically connected with the 3-D quantitative magnetic field detection circuit；Wherein, relay is fixedly mounted in an ammeter；The 3-D quantitative magnetic field detection circuit is used to acquire the magnetic field amount impact factor of ammeter；Dosage compensation method based on magnetic field influence amount includes: to read the magnetic field amount impact factor of the ammeter of the 3-D quantitative magnetic field detection circuit acquisition；According to the magnetic field amount impact factor of ammeter, it is fitted the error fit curve of ammeter；By the error fit curve, judge whether the magnetic field amount of the ammeter needs to compensate；If so, calculating magnetic field amount need to compensate numerical value；If it is not, then terminating process.The present invention has many advantages, such as that fast response time, the linearity be good, accuracy of measurement.
Description
Technical field
The invention belongs to the compensation measurement technical field of ammeter magnetic field amount, it is related to a kind of compensation method and system, especially
It is related to a kind of dosage compensation method/system, medium and processing equipment based on magnetic field influence amount.
Background technique
The abbreviation of electric energy meter, is the instrument for measuring electric energy, also known as kilowatt-hour meter, energy meter, electric energy meter, kilowatt-hour table,
Refer to the instrument for measuring various electrical quantities.Three relays with copper-manganese are placed inside ammeter in the prior art, by three Lu Meng
Copper relay places different positions to offset the magnetic field of itself electric current generation, influences metering to solve the magnetic field of itself generation
Error.
Following defect can be generated by doing so:
First, the position that three relays with copper-manganese are placed will be placed according to magnetic direction principle, so as to offset magnetic field,
So the more difficult fixation in position placed；
Second, it is very big inside the ammeter thus wasted in order to which offset magnetic field must leave enough spaces to relay
Space；
Third, the relay placement location with copper-manganese is different, then just produces the same ammeter and need three kinds of different bands
The relay of copper-manganese needs to be opened three width relay molds, increases relay cost in this way.
Therefore, how a kind of dosage compensation method/system, medium and processing equipment based on magnetic field influence amount is provided, with
The magnetic field of itself electric current generation can only be offset by the way that three road copper-manganese relays are placed different positions by solving the prior art, be come
The magnetic field for solving itself generation influences measurement error, cause with copper-manganese after the more difficult fixation in position being electrically disposed, waste ammeter
The defects of inner space, increase relay cost, those skilled in the art's technical problem urgently to be resolved is had become in fact.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of based on the influence amount of magnetic field
Amount compensation process/system, medium and processing equipment, can only be by placing three road copper-manganese relays not for solving the prior art
Same position causes a with manganese to offset the magnetic field of itself electric current generation to solve the magnetic field influence measurement error of itself generation
Copper after the more difficult fixation in position being electrically disposed, the problem of wasting ammeter inner space, increase relay cost.
In order to achieve the above objects and other related objects, one aspect of the present invention provides a kind of based on quantitative field influence amount
Dosage compensation method, applied to including relay, the 3-D quantitative magnetic field detection circuit for detecting relay and with described three
Tie up the compensation device for the processing equipment that quantitative field detection circuit is electrically connected；Wherein, the relay is fixedly mounted on an electricity
In table；The 3-D quantitative magnetic field detection circuit is used to acquire the magnetic field amount impact factor of ammeter；It is described to be based on magnetic field influence amount
Dosage compensation method include: to read the magnetic field amount impact factor of the ammeter of 3-D quantitative magnetic field detection circuit acquisition；Root
According to the magnetic field amount impact factor of ammeter, it is fitted the error fit curve of ammeter；By the error fit curve, the ammeter is judged
Magnetic field amount whether need to compensate；If so, calculating magnetic field amount need to compensate numerical value；If it is not, then terminating process.
In one embodiment of the invention, the magnetic field amount impact factor of the ammeter includes the work of ammeter described in different moments
Make three-dimensional magnetic field distribution and magnetic field amount that the operating current of electric current, operating voltage and the ammeter is generated by relay.
In one embodiment of the invention, the variable on the error fit curve of the ammeter includes electricity described in different moments
The magnetic field amount error that the operating current and different operating electric current of table are generated by relay.
In one embodiment of the invention, according to the magnetic field amount compensation calculation formula prestored, calculating magnetic field amount need to compensate number
Value；The magnetic field amount compensation calculation formula are as follows:Wherein, QUANT
Indicate that the magnetic field amount under the operating current of each ammeter need to compensate numerical value；The ammeter error of Error expression magnetic field amount；V indicates electricity
The operating voltage of table；The operating current of I expression ammeter；VMAX indicates voltage sample coefficient；IMAX indicates current sample coefficient；
LSB indicates unity quantization numerical value.
In one embodiment of the invention, if using 21 analog-digital converters, LSB=4.768 × 10-7；If adopted
With 22 analog-digital converters, then LSB=2.3842 × 10-7。
In one embodiment of the invention, the relay is that the identical copper-manganese in three tunnels samples relay
In one embodiment of the invention, the dosage compensation method based on magnetic field influence amount further includes for magnetic field amount
Numerical value need to be compensated to compensate the magnetic field amount error generated by relay.
Another aspect of the present invention provides a kind of dosage compensation system based on magnetic field influence amount, be applied to including relay,
Place for detecting the 3-D quantitative magnetic field detection circuit of relay and being electrically connected with the 3-D quantitative magnetic field detection circuit
Manage the compensation device of equipment；Wherein, the relay is fixedly mounted in an ammeter；The 3-D quantitative magnetic field detection circuit is used
In the magnetic field amount impact factor of acquisition ammeter；The dosage compensation system based on magnetic field influence amount includes: read module, is used for
Read the magnetic field amount impact factor of the ammeter of the 3-D quantitative magnetic field detection circuit acquisition；Fitting module, for according to ammeter
Magnetic field amount impact factor, be fitted the error fit curve of ammeter；Processing module, for sentencing by the error fit curve
Whether the magnetic field amount of the ammeter of breaking needs to compensate；If so, calculating magnetic field amount need to compensate numerical value；If it is not, then terminating described be based on
The dosage compensation system of magnetic field influence amount.
In one embodiment of the invention, the processing module is also used to according to the magnetic field amount compensation calculation formula prestored,
Calculating magnetic field amount need to compensate numerical value.
Another aspect of the invention provides a kind of medium, is stored thereon with computer program, and the computer program is by processor
The dosage compensation method based on magnetic field influence amount is realized when execution.
Last aspect of the present invention provides a kind of processing equipment, comprising: processor and memory；The memory is for depositing
Computer program is stored up, the processor is used to execute the computer program of the memory storage, so that the equipment executes institute
State the dosage compensation method based on magnetic field influence amount.
As described above, the dosage compensation method/system based on magnetic field influence amount, medium and processing are set through the invention
It is standby to bring following technical effect:
First, since ammeter is not just had to consider offset magnetic field with a kind of copper-manganese relay, it can use rate for ammeter space
It is high；
Second, the type and die sinking expense of relay are saved using a kind of copper-manganese relay, promote the reduction of ammeter cost.And
Adaptive automatic compensation measurement function is completed with software, can reduce hardware cost；
Third has many advantages, such as that fast response time, the linearity be good, accuracy of measurement.
Detailed description of the invention
Fig. 1 is shown as the structural schematic diagram of compensation device applied by the present invention.
Fig. 2 is shown as the process signal of the invention based on the dosage compensation method of magnetic field influence amount in an embodiment
Figure.
Fig. 3 is shown as the schematic diagram of error fit curve of the invention.
Fig. 4 is shown as the schematic diagram of program product of the invention.
Fig. 5 is shown as of the invention and is shown based on theory structure of the dosage compensation method of magnetic field influence amount in an embodiment
It is intended to.
Component label instructions
1 compensation device
11 relays
12 3-D quantitative magnetic field detection circuits
13 processing equipments
4 program products
The 5 dosage compensation systems based on magnetic field influence amount
51 read modules
52 fitting modules
53 processing modules
54 compensating modules
S21~S25 step
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that in the absence of conflict, following embodiment and implementation
Feature in example can be combined with each other.
It should be noted that illustrating the basic structure that only the invention is illustrated in a schematic way provided in following embodiment
Think, only shown in schema then with related component in the present invention rather than component count, shape and size when according to actual implementation
Draw, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout kenel
It is likely more complexity.
The technical principle of dosage compensation method/system of the present invention based on magnetic field influence amount, medium and processing equipment
It is as follows:
After the identical copper-manganese sampling relay in three tunnels is fixed on ammeter inside, pass through 3-D quantitative magnetic field detection electricity
Road passes through data exchange with 3-D quantitative magnetic field detection circuit using the microcontroller inside intelligent meter or intelligent controller,
The three-dimensional magnetic field distribution and numerical value generated to learn electric current by relay, according to the error fit curve of measurement point into
The real time correction of row composition error, by the calculation formula using compensated curve, microcontroller adjusts the biasing of metering chip, at
Function overcomes magnetic field to the influence of measurement error, and making measurement error of the electric current from 2%Ib to 100%Ib is always ± 0.2% model
It encloses.
Embodiment one
The present embodiment provides a kind of dosage compensation method based on magnetic field influence amount, applied to include relay, for visiting
The processing equipment surveying the 3-D quantitative magnetic field detection circuit of relay and being electrically connected with the 3-D quantitative magnetic field detection circuit
Compensation device；Wherein, the relay is fixedly mounted in an ammeter；The 3-D quantitative magnetic field detection circuit is for acquiring
The magnetic field amount impact factor of ammeter；The dosage compensation method based on magnetic field influence amount includes:
Read the magnetic field amount impact factor of the ammeter of the 3-D quantitative magnetic field detection circuit acquisition；
According to the magnetic field amount impact factor of ammeter, it is fitted the error fit curve of ammeter；
By the error fit curve, judge whether the magnetic field amount of the ammeter needs to compensate；If so, calculating magnetic field amount
Numerical value need to be compensated；If it is not, then terminating process.
The dosage compensation method provided by the present embodiment based on magnetic field influence amount is carried out below with reference to diagram detailed
Description.Dosage compensation method described in the present embodiment based on magnetic field influence amount is applied in compensation device 1 as shown in Figure 1.Institute
State compensation device 1 include relay 11, the 3-D quantitative magnetic field detection circuit 12 for detecting relay 11 and with the three-dimensional
The processor 13 that quantitative field detection circuit 12 is electrically connected.In the present embodiment, relay 11 is using the identical copper-manganese in three tunnels
Relay is sampled, processor 13 uses microprocessor.
Referring to Fig. 2, being shown as flow diagram of the dosage compensation method based on magnetic field influence amount in an embodiment.
As shown in Fig. 2, the dosage compensation method based on magnetic field influence amount specifically includes following steps:
S21 reads the magnetic field amount impact factor of the ammeter of the 3-D quantitative magnetic field detection circuit acquisition.In the present embodiment
In, the magnetic field amount impact factor of the ammeter includes the operating current I of ammeter described in different moments, operating voltage V and the electricity
The three-dimensional magnetic field distribution and magnetic field amount that the operating current of table is generated by relay.
S22 is fitted the error fit curve of ammeter according to the magnetic field amount impact factor of ammeter.
In the present embodiment, the error fit curve of ammeter is as shown in figure 3, the variable on error fit curve includes difference
The magnetic field amount error that the operating current and different operating electric current of ammeter described in moment are generated by relay.Wherein, different moments
The operating current I of the ammeter is abscissa, and different operating electric current is vertical sit by the magnetic field amount error e rror that relay generates
Mark.
S23 judges whether the magnetic field amount of the ammeter needs to compensate by the error fit curve；If so, executing
S24, if it is not, then terminating process.
Specifically, the real time correction that composition error is carried out according to the error fit curve of measurement point, for example, operating current I
When=1A, magnetic field amount error e rror=0.5%.
S24, according to the magnetic field amount compensation calculation formula prestored, calculating magnetic field amount need to compensate numerical value.
In the present embodiment, the magnetic field amount compensation calculation formula are as follows:
Wherein, QUANT indicates that the magnetic field amount under the operating current of each ammeter need to compensate numerical value；Error indicates magnetic field amount
Ammeter error；The operating voltage of V expression ammeter；The operating current of I expression ammeter；VMAX indicates voltage sample coefficient；IMAX
Indicate current sample coefficient；LSB indicates unity quantization numerical value.Wherein, if using 21 analog-digital converters, LSB=4.768
×10-7；If using 22 analog-digital converter, LSB=2.3842 × 10-7。
S25 need to compensate numerical value for magnetic field amount and compensate to the magnetic field amount error generated by relay.
The present embodiment also provides a kind of the present embodiment and also provides a kind of medium (also known as computer readable storage medium),
On be stored with computer program, which realizes above-mentioned intelligent dialing method when being executed by processor.
In some possible embodiments, the various aspects of the present embodiment are also implemented as a kind of shape of program product
Formula comprising program code, when described program product is run on the terminal device, said program code is for making the terminal
Equipment executes described in above-mentioned " illustrative methods " part of the present embodiment the intelligence of various illustrative embodiments according to the present invention
Step in the method for energy dial telephone.
Described program product can be using any combination of one or more readable mediums.Readable medium can be readable letter
Number medium or readable storage medium storing program for executing.Readable storage medium storing program for executing for example may be-but not limited to-electricity, magnetic, optical, electromagnetic, red
The system of outside line or semiconductor, device or device, or any above combination.The more specific example of readable storage medium storing program for executing
(non exhaustive list) includes: the electrical connection with one or more conducting wires, portable disc, hard disk, random access memory
(RAM), read-only memory (ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disc
Read memory (CD-ROM), light storage device, magnetic memory device or above-mentioned any appropriate combination.
As shown in figure 4, describe the dosage compensation method based on magnetic field influence amount of embodiment according to the present invention
Program product 4, can be using portable compact disc read only memory (CD-ROM) and including program code, and can be in terminal
It is run in equipment, such as PC.However, program product of the invention is without being limited thereto, and in this document, readable storage medium storing program for executing
It can be any tangible medium for including or store program, which can be commanded execution system, device or device and use
Or it is in connection.
Readable signal medium may include in a base band or as the data-signal that carrier wave a part is propagated, wherein carrying
Readable program code.The data-signal of this propagation can take various forms, including --- but being not limited to --- electromagnetism letter
Number, optical signal or above-mentioned any appropriate combination.Readable signal medium can also be other than readable storage medium storing program for executing it is any can
Read medium, the readable medium can send, propagate or transmit for by instruction execution system, device or device use or
Program in connection.
The program code for including on readable medium can transmit with any suitable medium, including --- but being not limited to ---
Wirelessly, wired, optical cable, RF etc. or above-mentioned any appropriate combination.
The program for executing operation of the present invention can be write with any combination of one or more programming languages
Code, described program design language include object oriented program language-Java, C++ etc., further include conventional
Procedural programming language-such as " C " language or similar programming language.
Using described in the present embodiment based on the dosage compensation method of magnetic field influence amount since ammeter just uses a kind of copper-manganese relay
Device does not have to consider offset magnetic field, can use rate height for ammeter space.The kind of relay is saved using a kind of copper-manganese relay
Class and die sinking take, and promote the reduction of ammeter cost.And adaptive automatic compensation measurement function is completed with software, can reduce hardware
Cost.Have many advantages, such as that fast response time, the linearity be good, accuracy of measurement.
Embodiment two
The present embodiment provides a kind of dosage compensation system based on magnetic field influence amount, be applied to including relay, with it is described
The 3-D quantitative magnetic field detection circuit and the place being electrically connected with the 3-D quantitative magnetic field detection circuit that relay is electrically connected
Manage the compensation device of device；Wherein, the relay is fixedly mounted in an ammeter；The 3-D quantitative magnetic field detection circuit is used for
Acquire the magnetic field amount impact factor of ammeter；The dosage compensation system based on magnetic field influence amount includes:
Read module, the magnetic field amount impact factor of the ammeter for reading the 3-D quantitative magnetic field detection circuit acquisition；
Fitting module is fitted the error fit curve of ammeter for the magnetic field amount impact factor according to ammeter；
Processing module, for judging whether the magnetic field amount of the ammeter needs to compensate by the error fit curve；If
It is that then calculating magnetic field amount need to compensate numerical value；If it is not, then terminating the dosage compensation system based on magnetic field influence amount.
The dosage compensation system provided by the present embodiment based on magnetic field influence amount is carried out below with reference to diagram detailed
Description.It should be noted that it should be understood that the division of the modules of following dosage compensation system is only a kind of logic function
It divides, can completely or partially be integrated on a physical entity in actual implementation, it can also be physically separate.And these modules
It can all be realized, can also be all realized in the form of hardware by way of processing element calls with software, it can be with portion
Sub-module realizes that part of module passes through formal implementation of hardware by way of processing element calls software.Such as: x module can
Think the processing element individually set up, also can integrate and realized in some chip of above-mentioned apparatus.In addition, x module can also
To be called and be held by some processing element of above-mentioned apparatus in the memory for being stored in above-mentioned apparatus in the form of program code
The function of the following x module of row.The realization of other modules is similar therewith.These modules completely or partially can integrate together,
It can independently realize.Processing element described here can be a kind of integrated circuit, the processing capacity with signal.It was realizing
Cheng Zhong, each step of the above method or following modules can by the integrated logic circuit of the hardware in processor elements or
The instruction of person's software form is completed.These modules can be arranged to implement the integrated electricity of one or more of above method below
Road, such as: one or more specific integrated circuit (Application Specific Integrated Circuit, abbreviations
ASIC), one or more microprocessors (Digital Singnal Processor, abbreviation DSP), one or more scene
Programmable gate array (Field Programmable Gate Array, abbreviation FPGA) etc..When some following module passes through processing
When the form of element scheduler program code is realized, which can be general processor, such as central processing unit (Central
Processing Unit, abbreviation CPU) or it is other can be with the processor of caller code.These modules can integrate one
It rises, is realized in the form of system on chip (System-on-a-chip, abbreviation SOC).
Show referring to Fig. 5, being shown as theory structure of the dosage compensation system based on magnetic field influence amount in an embodiment
It is intended to.As shown in figure 5, the dosage compensation system 5 based on magnetic field influence amount includes read module 51, fitting module 52, place
Manage module 53 and compensating module 54.
The magnetic field amount that the read module 51 is used to read the ammeter of the 3-D quantitative magnetic field detection circuit acquisition influences
The factor.In the present embodiment, the magnetic field amount impact factor of the ammeter includes the operating current I of ammeter described in different moments, work
Make three-dimensional magnetic field distribution and magnetic field amount that the operating current of voltage V and the ammeter is generated by relay.
The fitting module 52 coupled with the read module 51 is used for the magnetic field amount impact factor according to ammeter, is fitted ammeter
Error fit curve.
In the present embodiment, the variable on error fit curve includes the operating current and difference of ammeter described in different moments
The magnetic field amount error that operating current is generated by relay.Wherein, the operating current I of ammeter described in different moments is abscissa,
Different operating electric current is ordinate by the magnetic field amount error e rror that relay generates.
The processing module 53 coupled with the read module 51 and fitting module 52 is used for through the error fit curve,
Judge whether the magnetic field amount of the ammeter needs to compensate；If so, according to the magnetic field amount compensation calculation formula prestored, calculating magnetic field amount
Numerical value need to be compensated, if it is not, then dosage compensation system 5 out of service.
In the present embodiment, the magnetic field amount compensation calculation formula are as follows:
Wherein, QUANT indicates that the magnetic field amount under the operating current of each ammeter need to compensate numerical value；Error indicates magnetic field amount
Ammeter error；The operating voltage of V expression ammeter；The operating current of I expression ammeter；VMAX indicates voltage sample coefficient；IMAX
Indicate current sample coefficient；LSB indicates unity quantization numerical value.Wherein, if using 21 analog-digital converters, LSB=4.768
×10-7；If using 22 analog-digital converter, LSB=2.3842 × 10-7。
The compensating module 54 coupled with the processing module 53 is used to that numerical value need to be compensated to passing through relay for magnetic field amount
The magnetic field amount error of generation compensates.
Embodiment three
The present embodiment provides a kind of processing equipment, the processing equipment includes: that processor, memory, transceiver, communication connect
Mouth or/and system bus；Memory and communication interface are connect with processor and transceiver by system bus and are completed each other
Communication, memory is for storing computer program, and communication interface is used for and other equipment are communicated, processor and transceiver
For running computer program, processing equipment is made to execute each step of the as above dosage compensation method based on magnetic field influence amount.
System bus mentioned above can be Peripheral Component Interconnect standard (Peripheral Component
Interconnect, abbreviation PCI) bus or expanding the industrial standard structure (Extended Industry Standard
Architecture, abbreviation EISA) bus etc..The system bus can be divided into address bus, data/address bus, control bus etc..
Only to be indicated with a thick line in figure, it is not intended that an only bus or a type of bus convenient for indicating.Communication connects
Mouth is for realizing the communication between database access device and other equipment (such as client, read-write library and read-only library).Memory
May include random access memory (Random Access Memory, abbreviation RAM), it is also possible to further include non-volatile memories
Device (non-volatile memory), for example, at least a magnetic disk storage.
Above-mentioned processor can be general processor, including central processing unit (Central Processing Unit,
Abbreviation CPU), network processing unit (Network Processor, abbreviation NP) etc.；It can also be digital signal processor
(Digital Signal Processing, abbreviation DSP), specific integrated circuit (Application Specific
Integrated Circuit, abbreviation ASIC), field programmable gate array (Field Programmable Gate Array,
Abbreviation FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.
In conclusion the dosage compensation method/system based on magnetic field influence amount, medium and processing are set through the invention
It is standby to bring following technical effect:
First, since ammeter is not just had to consider offset magnetic field with a kind of copper-manganese relay, it can use rate for ammeter space
It is high；
Second, the type and die sinking expense of relay are saved using a kind of copper-manganese relay, promote the reduction of ammeter cost.And
Adaptive automatic compensation measurement function is completed with software, can reduce hardware cost；
Third has many advantages, such as that fast response time, the linearity be good, accuracy of measurement.The present invention effectively overcomes existing skill
Various shortcoming in art and have high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (11)
1. a kind of dosage compensation method based on quantitative field influence amount, which is characterized in that applied to include relay, for visiting
The processing equipment surveying the 3-D quantitative magnetic field detection circuit of relay and being electrically connected with the 3-D quantitative magnetic field detection circuit
Compensation device；Wherein, the relay is fixedly mounted in an ammeter；The 3-D quantitative magnetic field detection circuit is for acquiring
The magnetic field amount impact factor of ammeter；The dosage compensation method based on magnetic field influence amount includes:
Read the magnetic field amount impact factor of the ammeter of the 3-D quantitative magnetic field detection circuit acquisition；
According to the magnetic field amount impact factor of ammeter, it is fitted the error fit curve of ammeter；
By the error fit curve, judge whether the magnetic field amount of the ammeter needs to compensate；If so, calculating magnetic field amount needs to mend
Repay numerical value；If it is not, then terminating process.
2. the dosage compensation method according to claim 1 based on magnetic field influence amount, which is characterized in that the magnetic of the ammeter
Amount impact factor include the operating current of ammeter described in different moments, operating voltage and the ammeter operating current by after
The three-dimensional magnetic field distribution and magnetic field amount that electric appliance generates.
3. the dosage compensation method according to claim 2 based on magnetic field influence amount, which is characterized in that the mistake of the ammeter
Variable in poor matched curve includes that the operating current of ammeter described in different moments and different operating electric current are generated by relay
Magnetic field amount error.
4. the dosage compensation method according to claim 2 based on magnetic field influence amount, which is characterized in that according to the magnetic prestored
Field amount compensation calculation formula, calculating magnetic field amount need to compensate numerical value；
The magnetic field amount compensation calculation formula are as follows:
Wherein, QUANT indicates that the magnetic field amount under the operating current of each ammeter need to compensate numerical value；The electricity of Error expression magnetic field amount
Watch Error；The operating voltage of V expression ammeter；The operating current of I expression ammeter；VMAX indicates voltage sample coefficient；IMAX is indicated
Current sample coefficient；LSB indicates unity quantization numerical value.
5. the dosage compensation method according to claim 2 based on magnetic field influence amount, which is characterized in that
If using 21 analog-digital converter, LSB=4.768 × 10-7；
If using 22 analog-digital converter, LSB=2.3842 × 10-7。
6. the dosage compensation method according to claim 2 based on magnetic field influence amount, which is characterized in that the relay is
The identical copper-manganese in three tunnels samples relay.
7. the dosage compensation method according to claim 1 based on magnetic field influence amount, which is characterized in that described to be based on magnetic field
The dosage compensation method of influence amount further include for magnetic field amount need to compensate numerical value to the magnetic field amount error generated by relay into
Row compensation.
8. a kind of dosage compensation system based on magnetic field influence amount, which is characterized in that be applied to including relay, for detect after
The benefit of the 3-D quantitative magnetic field detection circuit of electric appliance and the processing equipment being electrically connected with the 3-D quantitative magnetic field detection circuit
Repay device；Wherein, the relay is fixedly mounted in an ammeter；The 3-D quantitative magnetic field detection circuit is for acquiring ammeter
Magnetic field amount impact factor；The dosage compensation system based on magnetic field influence amount includes:
Read module, the magnetic field amount impact factor of the ammeter for reading the 3-D quantitative magnetic field detection circuit acquisition；
Fitting module is fitted the error fit curve of ammeter for the magnetic field amount impact factor according to ammeter；
Processing module, for judging whether the magnetic field amount of the ammeter needs to compensate by the error fit curve；If so,
Calculating magnetic field amount need to compensate numerical value；If it is not, then terminating the dosage compensation system based on magnetic field influence amount.
9. the dosage compensation system according to claim 8 based on magnetic field influence amount, which is characterized in that the processing module
It is also used to according to the magnetic field amount compensation calculation formula prestored, calculating magnetic field amount need to compensate numerical value.
10. a kind of medium, is stored thereon with computer program, which is characterized in that real when the computer program is executed by processor
Dosage compensation method based on magnetic field influence amount described in existing any one of claims 1 to 7.
11. a kind of processing equipment characterized by comprising processor and memory；
The memory is used to execute the computer journey of the memory storage for storing computer program, the processor
Sequence, so that the equipment is executed as described in any one of claims 1 to 7 based on the dosage compensation method of magnetic field influence amount.
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| CN201811634428.6A CN109613468A (en) | 2018-12-29 | 2018-12-29 | Dosage compensation method/system, medium and processing equipment based on magnetic field influence amount |
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| CN201811634428.6A CN109613468A (en) | 2018-12-29 | 2018-12-29 | Dosage compensation method/system, medium and processing equipment based on magnetic field influence amount |
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