CN108303667A - A kind of total detecting method of electric power terminal calibration - Google Patents
A kind of total detecting method of electric power terminal calibration Download PDFInfo
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- CN108303667A CN108303667A CN201810407315.6A CN201810407315A CN108303667A CN 108303667 A CN108303667 A CN 108303667A CN 201810407315 A CN201810407315 A CN 201810407315A CN 108303667 A CN108303667 A CN 108303667A
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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
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
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Abstract
The present invention relates to a kind of electric power terminal calibrations to calibrate total detecting method, and the corresponding calibration system of the method includes the interior tune inspection platform containing standard scale and is assemblied in the electric power terminal to be calibrated adjusted on inspection platform；The method includes the standard parameter for step S1, choosing the standard scale is the first standard source, is calibrated automatically to calibration electric power terminal according to the first standard source；Wherein, the parameter to be calibrated when the standard parameter is calibrated with electric power terminal is corresponding；Step S2, after electric power terminal calibration to be calibrated is qualified, setting is adjusted inspection platform to be paid with a certain proportion of rated specification value and exported, and chooses the parameter current of the standard scale as the second standard source, total inspection operation is carried out to the electric power terminal after calibration；If step S3, total inspection is qualified, terminate；Conversely, carrying out step S4；Step S4 detects abnormal terminals, repairs operation.Compared with the existing technology, electric power terminal of the invention, which calibrates total detecting method, has the characteristics that efficient, Expenses Cost is low.
Description
Technical field
The present invention relates to electric power terminal fields more particularly to a kind of electric power terminal to calibrate total detecting method.
Background technology
Electric power terminal is required for carrying out measurement and calibration and total inspection before manufacture, at present mainly by the way of as shown in Figure 1
It carries out.
Electric power terminal to be calibrated is assembled on calibration console first, then artificially by daemon software be electricity to be calibrated
Power terminal carries out parameter setting, which includes rated voltage electric current, power gain, angular difference etc., and then each terminal is according to setting
The parameter set, which according to A phases calibrates-B and mutually calibrates the point-by-point calibration flow of split-phase that-C is mutually calibrated, carries out calibration verification, once it is corresponding
Mutually there is error in calibration, just manual type is used to be compensated for respective items by daemon software, until calibration is completed；It is to be calibrated
It after electric power terminal to be calibrated on platform is all calibrated well, is unloaded, transhipment again is assembled on total inspection platform, can after progress always inspection
Manufacture.
Although this kind of calibration process can complete calibration, there are many disadvantages, and the on the one hand calibration-always inspection is using difference
Stage body, to carry out next step total inspection operation, need to first be transported through assembly, it is not only cumbersome, turnover bother, expend simultaneously
Manpower and materials, it is easy to go wrong, cause production efficiency low；On the other hand this kind of calibrating mode is needed in calibration phase
Respective value is manually inputted one by one, cannot achieve automatic setting, it is easy to be caused calibration to be omitted, be caused difficult to govern control.
Invention content
In view of the above problems, the total inspection work(of calibration can be completed on same stage body the purpose of the present invention is to provide a kind of
Can, turnover trouble is reduced, the electric power terminal for reducing manpower and materials waste calibrates total detecting method.
To achieve the goals above, the technical solution adopted by the present invention is：A kind of total detecting method of electric power terminal calibration, it is described
The corresponding calibration system of method includes the interior tune inspection platform containing standard scale and is assemblied in the electric power terminal to be calibrated adjusted on inspection platform；
It is characterized in that：The method includes,
Step S1, the standard parameter for choosing the standard scale is the first standard source, according to the first standard source to electricity to be calibrated
Power terminal is calibrated；Wherein, the parameter to be calibrated when the standard parameter is calibrated with electric power terminal is corresponding；
Step S2, after electric power terminal calibration to be calibrated is qualified, setting adjusts inspection platform to be paid with a certain proportion of rated specification value
Output chooses the parameter current of the standard scale as the second standard source, total inspection operation is carried out to the electric power terminal after calibration；
If step S3, total inspection is qualified, terminate；Conversely, carrying out step S4；
Step S4, abnormal terminals are detected, operation is repaired.
2, in order to improve calibration efficiency, simplify calibration operation flow, it is preferred that according to first mark in the step S1
Quasi- source carries out calibration to electric power terminal to be calibrated,
Step A, each each of electric power terminal to be calibrated is mutually carried out at the same time automatic calibration according to the first standard source.
3 is preferred, and the calibration system further includes and adjusts the consistency operation examined platform and electric power terminal to be calibrated and be respectively connected with
System；
The step S1 further includes,
Step B1, the standard parameter of the described background operating system acquisition standard scale, the standard parameter is sent to and waits for school
Quasi- electric power terminal；
Step B2, electric power terminal to be calibrated receives the standard parameter, completes corresponding parameter initialization setting accordingly, passes through
Such mode can realize the parameter initialization of electric power terminal automatically, avoid artificially be manually entered it is cumbersome.
4 is preferred, and the standard parameter includes rated voltage electric current；
The Initialize installation specifically, the background operating system acquisition standard scale rated voltage electric current, and by its
It is sent to electric power terminal to be calibrated；
Electric power terminal to be calibrated receives the rated voltage electric current and completes parameter initialization setting.
5 is preferred, and the step S1 further includes,
Step C1, the described background operating system reads each phase voltage electric current of electric power terminal to be calibrated simultaneously, and with it is specified
Voltage and current compares, and calibrates electric power terminal to be calibrated accordingly；
Step C2, the described background operating system reads each phase voltage electric current of the electric power terminal after calibration simultaneously again, and
Compared with rated voltage electric current；
If step C3, still remaining large error, S4 is thened follow the steps；
If step C4, error concealment, operated into follow-up calibration.Can school be carried out to A, B, C phase simultaneously by this kind of mode
It tests, improves verification efficiency.
6 in order to realize automatic calibration, and the electric power terminal to be calibrated of calibration accordingly in the step C1 is specifically, electricity to be calibrated
Power terminal carries out etc. according to the difference between the computation chip voltage and current sampled and rated voltage electric current than conversion compensation automatically
Calibration.
7 is preferred, and the standard parameter is corresponding active when further including the power gaining rate PF values 1.0 of standard scale, 0.5L
Power and reactive power；
Enter follow-up calibration in the step C4 to operate, specifically include,
Step D1, the described background operating system acquisition standard scale is corresponding active at power gain PF values 0.5L, 1.0
Power and reactive power, and send it to electric power terminal to be calibrated；
Step D2, electric power terminal to be calibrated receives the active power and reactive power data, and it is current active to read itself
Power and reactive power value calculate each phase power error err values and work(according to the active power and reactive power data received
Rate gain Pgain values, and each phase power error err and power gain Pgain are written in corresponding gain register, it is complete
Success rate calibrates for error.It is eliminated using such calibrating mode and the trouble to calibrate for error is manually entered by artificial mode, made
It must calibrate easier.
Whether 8 succeed to verify aforementioned power and calibrate, it is preferred that after completing step D2, operations described below has also been carried out,
F1, the background operating system read the active energy pulse error value of electric power terminal feedback, and whether judge it
In acceptability limit；
If F2, in acceptability limit, it is concluded that calibration is qualified, carry out total inspection operation；
If F3, not in acceptability limit, S4 is thened follow the steps.
9 is preferred, the step S2 specifically,
Step G1, it is a certain proportion of rated value that the voltage and current of inspection platform output is adjusted in setting；
Step G2, it is anti-to obtain terminal to be tested under the conditions present for adjusting inspection platform to acquire by pulse lead for background operating system
Feedback by the active reactive energy pulse error between performance number under the present conditions than the number performance numbers being converted into and standard scale；
Step G3, judge the error whether in error acceptability limit；
If step G4, within error acceptability limit, judge that total inspection is qualified；Conversely, always examining unqualified, then follow the steps
S4。
10 is preferred, and there are two the standard scale tools, one of them is used to obtain the first standard when calibration electric power terminal
Source, another is used to obtain the second standard source when total inspection；
The method further includes, and after executing the step S4, electric power terminal is again introduced into step S1 and re-starts calibration.
Compared with the prior art, the advantages of the present invention are as follows：By the way that calibration console and total inspection platform to be combined into one, is formed and adjust inspection
Platform adjusts setting standard scale in inspection platform, and the standard parameter of standard scale is used in calibration as with reference to source, mark is in addition used in total inspection
The standard class parameter of quasi- table is used as with reference to source, and two kinds of the smooth of different operation flow are easily realized by software mode and are cut
It changes, the work that both of which is always examined in calibration-can be completed without replacing stage body, avoid the trouble of transhipment assembly, save platform
Efficiency is always examined in body quantity and personnel's operation, the calibration for substantially increasing electric power terminal.
Description of the drawings
Fig. 1 is the electric power terminal measurement and calibration flow chart in existing design.
Fig. 2 is a kind of flow chart for embodiment that electric power terminal of the present invention calibrates total detecting method.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
If Fig. 1 shows that electric power terminal of the present invention calibrates the flow chart of one embodiment of total detecting method, the flow chart pair
The calibration system answered includes the tune inspection platform for integrating calibration with total checking functions, has standard scale, the standard in the tune inspection platform
Table can be compared as with reference to source namely electric power terminal to be calibrated as standard source, in order to verify；It is to be calibrated
Electric power terminal is assemblied on tune inspection platform.It should be noted that the standard scale can be one, and can also be two, i.e., one
Standard source when standard scale is as calibration electric power terminal, a standard source when standard scale is as total inspection, in the present embodiment, i.e.,
Using two standard scales.
Meanwhile by the way that calibration console and total inspection platform to be combined into one, formed and adjust inspection platform, tune inspection platform can be calibrated and
It can always be examined, taking over seamlessly for two kinds of operating processes can easily be realized by background operating system software-controlled manner, this keeps away
The trouble for having exempted from transhipment assembly, can save a large amount of manpower and materials, efficiency is always examined in the calibration for improving electric power terminal.
As shown in Figure 1, the method includes,
Step S1, the standard parameter for choosing the standard scale is the first standard source, according to the first standard source to electricity to be calibrated
Power terminal is calibrated；Wherein, the parameter to be calibrated when the standard parameter is calibrated with electric power terminal is corresponding, in the present embodiment
In, power gain when standard parameter includes rated voltage electric current, power gain PF values 1,0.5L and angular difference；
Step S2, after electric power terminal calibration to be calibrated is qualified, setting adjusts inspection platform to be paid with a certain proportion of rated specification value
Output chooses the parameter current of the standard scale as the second standard source, total inspection operation is carried out to the electric power terminal after calibration；Than
Such as, the rated voltage electric current of standard scale is U=220V/Ib=1.5A, and the defeated of platform is examined according to the settings tune such as 20%Ib, 50%Ib
Go out, electric power terminal and standard scale will respectively correspond to different performance numbers in different output at this time, calculate under identical conditions as supplied
When electric current is exported with 20%Ib errors, whether the error between electric power terminal performance number and standard scale performance number is in defined error
In acceptability limit, if so, representing total inspection qualification, otherwise always examine unqualified.
If step S3, total inspection is qualified, end operation；Conversely, carrying out step S4；
Step S4, it obtains electric power terminal exception, repairs operation.
For previous electric power terminal in calibration, single terminal can individually carry out calibration school successively respectively with regard to A phase, B phase, C phase
It tests, it is long that this kind of mode expends the period, low production efficiency.In order to overcome the problem, calibration efficiency is improved, calibration operation stream is simplified
Journey, for the application when carrying out step S1, background operating system can read each phase voltage electric current of electric power terminal to be calibrated simultaneously, and
Non- A phases, which verify-B and mutually verify-C, mutually to be verified in this way by mutually reading by opposite operation, synchronous can shorten previous duration
2/3, greatly improve calibration efficiency.
It should be noted that adjust inspection platform in standard scale can only there are one, can also be it is multiple, such as two, wherein one
It is a for being used as standard source when calibrating electric power terminal, as standard source when another is then used for total inspection.
It, can be by itself and rated voltage after background operating system reads each phase voltage electric current of electric power terminal to be calibrated at the same time
Electric current compares, and calibrates electric power terminal to be calibrated accordingly (order corresponds to step C1 herein)；Certainly, the background operating system is in electric power
After terminal calibration, can again simultaneously read calibration after electric power terminal each phase voltage electric current, and again with rated voltage electric current
Compare, and then judges this functional check whether by (order corresponds to step C2) herein；If still remaining large error, execute
Step S4 (enables the judgement correspond to step C3)；If error concealment, (judgement is enabled to correspond to step C4) is operated into follow-up calibration.
Certainly, before being calibrated, the background operating system can acquire the standard parameter of standard scale, and the standard is joined
Number is sent to electric power terminal to be calibrated；After electric power terminal to be calibrated receives the standard parameter, it is initial first to complete corresponding parameter
Change setting.It is communicated with electric power terminal by background operating system, sends initiation parameter value to electric power terminal, be arranged automatically
Mode, overcome it is previous need artificially to be manually entered cumbersome, substantially increase production efficiency.Standard parameter herein corresponds to
Be rated voltage electric current.
In this way, the electric power terminal to be calibrated of calibration accordingly mentioned in abovementioned steps C1 is then specifically, electric power terminal to be calibrated
According to the difference between the voltage and current and rated voltage electric current of computation chip sampling, carry out automatically etc. than conversion compensation calibration from
And improve calibration precision.
After electric power terminal completes the calibration of voltage and current, will ingoing power gain and angular difference calibration operation,
Specifically, the standard parameter corresponding active power and idle when further including the power gaining rate PF values 1.0 of standard scale, 0.5L
Power；
Enter follow-up calibration in the step C4 to operate, specifically include,
Step D1, the described background operating system acquires standard scale corresponding wattful power at power gain PF values 0.5L, 1
Rate and reactive power, and send it to electric power terminal to be calibrated；
Step D2, electric power terminal to be calibrated receives the active power and reactive power data, and it is current active to read itself
Power and reactive power value calculate each phase power error err values and work(according to the active power and reactive power data received
Rate gain Pgain values, and each phase power error err and power gain Pgain are written in corresponding gain register, it is complete
Success rate calibrates for error.The fiber crops that error parameter compensation is manually entered by artificial mode are eliminated using such calibrating mode
It is tired so that calibration is easier.
Whether succeed to verify aforementioned power and compensate, after completing step D2, also carried out operations described below,
F1, the background operating system read the active energy pulse error value of electric power terminal feedback, and whether judge it
In acceptability limit；
If F2, in acceptability limit, it is concluded that calibration is qualified, carry out total inspection operation；
If F3, not in acceptability limit, S4 is thened follow the steps.
After having executed calibration, be then put into total inspection operation, as described before, total inspection operation specifically,
The step S2 specifically,
Step G1, it is a certain proportion of terminal rated value that the voltage and current of inspection platform output is adjusted in setting；
Step G2, it is anti-to obtain terminal to be tested under the conditions present for adjusting inspection platform to acquire by pulse lead for background operating system
Feedback by the active reactive energy pulse error between performance number under the present conditions than the number performance numbers being converted into and standard scale；
Step G3, judge the error whether in error acceptability limit；
If step G4, within error acceptability limit, judge that total inspection is qualified；Conversely, always examining unqualified, then follow the steps
S4。
With continued reference to Fig. 1, the method further includes, and after executing the step S4, electric power terminal is again introduced into step S1 weights
Newly calibrated.
Other than above-mentioned improvement, other similar improvement are also contained in the improvement threshold of the present invention, are not just existed herein
It repeats.Although an embodiment of the present invention has been shown and described, it will be appreciated by those skilled in the art that：The present invention is not being departed from
Principle and objective in the case of can to these embodiments carry out it is a variety of variation, modification, replace and deformation, the scope of the present invention
It is limited by claim and its equivalent.
Claims (10)
1. a kind of electric power terminal calibrates total detecting method, the corresponding calibration system of the method includes the interior tune inspection platform containing standard scale
And it is assemblied in the electric power terminal to be calibrated adjusted on inspection platform；
It is characterized in that：The method includes,
Step S1, the standard parameter for choosing the standard scale is the first standard source, according to the first standard source to electric power to be calibrated end
It is calibrated at end；Wherein, the parameter to be calibrated when the standard parameter is calibrated with electric power terminal is corresponding；
Step S2, after electric power terminal calibration to be calibrated is qualified, setting is adjusted inspection platform to be paid with a certain proportion of rated specification value and exported,
The parameter current of the standard scale is chosen as the second standard source, total inspection operation is carried out to the electric power terminal after calibration；
If step S3, total inspection is qualified, terminate；Conversely, carrying out step S4；
Step S4, abnormal terminals are detected, operation is repaired.
2. electric power terminal according to claim 1 calibrates total detecting method, it is characterised in that：
Carrying out calibration to electric power terminal to be calibrated according to first standard source in the step S1 includes,
Step A, each each of electric power terminal to be calibrated is mutually carried out at the same time automatic calibration according to the first standard source.
3. electric power terminal according to claim 1 calibrates total detecting method, it is characterised in that：
The calibration system further includes and adjusts the background operating system examined platform and electric power terminal to be calibrated and be respectively connected with；
The step S1 further includes,
Step B1, the standard parameter of the described background operating system acquisition standard scale, electricity to be calibrated is sent to by the standard parameter
Power terminal；
Step B2, electric power terminal to be calibrated receives the standard parameter, completes corresponding parameter initialization setting accordingly.
4. electric power terminal according to claim 3 calibrates total detecting method, it is characterised in that：
The standard parameter includes rated voltage electric current；
The Initialize installation is specifically, the background operating system acquires the rated voltage electric current of standard scale, and is sent to
To electric power terminal to be calibrated；
Electric power terminal to be calibrated receives the rated voltage electric current and completes parameter initialization setting.
5. electric power terminal according to claim 3 calibrates total detecting method, it is characterised in that：The step S1 further includes,
Step C1, the described background operating system reads each phase voltage electric current of electric power terminal to be calibrated, and and rated voltage simultaneously
Electric current compares, and calibrates electric power terminal to be calibrated accordingly；
Step C2, the described background operating system reads each phase voltage electric current of the electric power terminal after calibration, and and volume simultaneously again
Constant voltage electric current compares；
If step C3, still remaining large error, S4 is thened follow the steps；
If step C4, error concealment, operated into follow-up calibration.
6. electric power terminal according to claim 5 calibrates total detecting method, it is characterised in that：
The electric power terminal to be calibrated of calibration accordingly in the step C1 is specifically, electric power terminal to be calibrated is sampled according to computation chip
Voltage and current and rated voltage electric current between difference, carry out automatically etc. than conversion compensation calibration.
7. electric power terminal according to claim 5 calibrates total detecting method, it is characterised in that：
Corresponding active power and idle work(when the standard parameter further includes the power gaining rate PF values 1.0 of standard scale, 0.5L
Rate；
Enter follow-up calibration in the step C4 to operate, specifically include,
Step D1, the described background operating system acquires standard scale corresponding active power at power gain PF values 0.5L, 1.0
And reactive power, and send it to electric power terminal to be calibrated；
Step D2, electric power terminal to be calibrated receives the active power and reactive power data, reads itself current active power
And reactive power value, it calculates each phase power error err values according to the active power and reactive power data received and power increases
Beneficial Pgain values, and each phase power error err and power gain Pgain are written in corresponding gain register, complete work(
Rate calibrates for error.
8. electric power terminal according to claim 7 calibrates total detecting method, it is characterised in that：After completing step D2, also into
Go operations described below,
F1, the background operating system read the active energy pulse error value of electric power terminal feedback, and judge whether it is closing
Within the scope of lattice；
If F2, in acceptability limit, it is concluded that calibration is qualified, carry out total inspection operation；
If F3, not in acceptability limit, S4 is thened follow the steps.
9. electric power terminal according to claim 1 calibrates total detecting method, it is characterised in that：The step S2 specifically,
Step G1, it is a certain proportion of rated value that the voltage and current of inspection platform output is adjusted in setting；
Step G2, background operating system obtains what terminal to be tested under the conditions present for adjusting inspection platform to be acquired by pulse lead was fed back
By the active reactive energy pulse error between performance number under the present conditions than the number performance numbers being converted into and standard scale；
Step G3, judge the error whether in error acceptability limit；
If step G4, within error acceptability limit, judge that total inspection is qualified；Conversely, always examining unqualified, S4 is thened follow the steps.
10. electric power terminal according to claim 9 calibrates total detecting method, it is characterised in that：
There are two the standard scale tools, one of them is used to obtain the first standard source when calibration electric power terminal, another is used for
Obtain the second standard source when total inspection；
The method further includes, and after executing the step S4, electric power terminal is again introduced into step S 1 and re-starts calibration.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112513650A (en) * | 2018-07-30 | 2021-03-16 | 德克萨斯仪器股份有限公司 | Current sensor configuration and calibration |
| CN112630714A (en) * | 2020-11-30 | 2021-04-09 | 深圳市科陆电子科技股份有限公司 | Intelligent fusion terminal error calibration method and intelligent fusion terminal |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6275278A (en) * | 1985-09-28 | 1987-04-07 | Toshiba Corp | Decision device for instrument accuracy |
| CN101153900A (en) * | 2006-09-30 | 2008-04-02 | 深圳市科陆电子科技股份有限公司 | Calibration method and system for electric energy meter |
| CN101876693A (en) * | 2010-06-09 | 2010-11-03 | 合肥工业大学 | Electric energy metering chip-based terminal calibration system |
| CN104020437A (en) * | 2014-06-21 | 2014-09-03 | 宁波三星电气股份有限公司 | Electric energy meter correction method |
| CN104698428A (en) * | 2015-04-08 | 2015-06-10 | 南京天溯自动化控制系统有限公司 | Multi-electric-energy-meter automated testing method |
| CN106405480A (en) * | 2016-10-27 | 2017-02-15 | 宁波三星医疗电气股份有限公司 | Integrated device and method for adjusting and checking of single-phase electric energy meter |
| CN106501759A (en) * | 2016-12-08 | 2017-03-15 | 浙江晨泰科技股份有限公司 | A kind of single-phase electric energy meter production line automation correction method |
-
2018
- 2018-04-28 CN CN201810407315.6A patent/CN108303667A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6275278A (en) * | 1985-09-28 | 1987-04-07 | Toshiba Corp | Decision device for instrument accuracy |
| CN101153900A (en) * | 2006-09-30 | 2008-04-02 | 深圳市科陆电子科技股份有限公司 | Calibration method and system for electric energy meter |
| CN101876693A (en) * | 2010-06-09 | 2010-11-03 | 合肥工业大学 | Electric energy metering chip-based terminal calibration system |
| CN104020437A (en) * | 2014-06-21 | 2014-09-03 | 宁波三星电气股份有限公司 | Electric energy meter correction method |
| CN104698428A (en) * | 2015-04-08 | 2015-06-10 | 南京天溯自动化控制系统有限公司 | Multi-electric-energy-meter automated testing method |
| CN106405480A (en) * | 2016-10-27 | 2017-02-15 | 宁波三星医疗电气股份有限公司 | Integrated device and method for adjusting and checking of single-phase electric energy meter |
| CN106501759A (en) * | 2016-12-08 | 2017-03-15 | 浙江晨泰科技股份有限公司 | A kind of single-phase electric energy meter production line automation correction method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112513650A (en) * | 2018-07-30 | 2021-03-16 | 德克萨斯仪器股份有限公司 | Current sensor configuration and calibration |
| CN112630714A (en) * | 2020-11-30 | 2021-04-09 | 深圳市科陆电子科技股份有限公司 | Intelligent fusion terminal error calibration method and intelligent fusion terminal |
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