CN108037478A - A kind of meter production test method - Google Patents

A kind of meter production test method Download PDF

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Publication number
CN108037478A
CN108037478A CN201711383454.1A CN201711383454A CN108037478A CN 108037478 A CN108037478 A CN 108037478A CN 201711383454 A CN201711383454 A CN 201711383454A CN 108037478 A CN108037478 A CN 108037478A
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CN
China
Prior art keywords
meter
factory mode
factory
time
accumulated running
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CN201711383454.1A
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Chinese (zh)
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CN108037478B (en
Inventor
周相康
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宁波三星医疗电气股份有限公司
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Priority to CN201711383454.1A priority Critical patent/CN108037478B/en
Publication of CN108037478A publication Critical patent/CN108037478A/en
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Publication of CN108037478B publication Critical patent/CN108037478B/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00Testing or calibrating of apparatus covered by the preceding groups
    • G01R35/04Testing or calibrating of apparatus covered by the preceding groups of instruments for measuring time integral of power or current

Abstract

The present invention relates to a kind of meter production test method, meter is when powering on, only need to be run to the accumulated running time at current time in factory mode according to check character string and the meter of meter it may determine that whether meter powers on and automatically enter first factory mode, ensure Electrical Safety;Parameter is carried out when meter powers on first from setting, meter parameter is no longer set by host computer, it is not necessary to exterior manual compiling meter parameter configuration scheme;By setting the default cumulative time threshold value for meter, electroluminescent make meter power on again to cannot be introduced into the shortcoming of factory mode, greatly speed up testing efficiency because test switches off in factory mode to avoid meter;Once meter receive it is exterior exit the order of factory mode and exit factory mode after, meter power on again will not automatic entering to factory mode type, so as to improve the security of meter.

Description

A kind of meter production test method

Technical field

The present invention relates to electric energy meter field, more particularly to a kind of meter production test method.

Background technology

In overseas in intelligent meter meter production test procedure, meter mainly passes through following three kinds of modes into factory mode:

First way:Open cover and short circuit calibrating terminal under meter electriferous state, the shortcomings that this mode is Powered opening cover crisis tester safety, influence production efficiency;

The second way:The shortcomings that cover and button for opening meter enter factory mode after 3 seconds, this mode be also Powered opening cover crisis tester safety, influence production efficiency;

The third mode:The shortcomings that instruction that meter receives host computer enters factory mode, this mode is that meter is going out There is a situation where that receiving validated user order is again introduced into factory mode after factory, this will cause immeasurable loss to user.

In addition, meter parameter setting in overseas intelligence meter is usually by exterior manual compiling meter parameter configuration scheme, Waste substantial amounts of manually energy and quality management and control serious loss.

The content of the invention

The technical problems to be solved by the invention are to provide a kind of meter production test method for the above-mentioned prior art.Should Meter production test method can effective guarantee meter test in Electrical Safety, improve meter testing efficiency.

Technical solution is used by the present invention solves above-mentioned technical problem:A kind of meter production test method, its feature It is, includes the following steps 1 to step 9:

Step 1, the meter is powered on;

Step 2, check character string and the meter of the meter are obtained from the meter nonvolatile memory cell Run in factory mode to the accumulated running time at current time;Wherein, the meter is run to current time in factory mode Accumulated running time be labeled as T;

Step 3, judged according to the string of checking character of acquired meter to whether the meter powers on first:

When the string of checking character of the meter of acquisition is on-fixed constant string, judge the meter on first Electricity, is transferred to step 4;Otherwise, judge that the meter powers on first to be non-, be transferred to step 5;

Step 4, the meter automatic entering to factory mode type, to nonvolatile memory cell write-in constant string, and according to Meter client needs progress meter parameter initialization for meter parameter, and meter factory mode described in step 2 is added up Run time is zeroed out processing;

Step 5, when judging that the meter factory mode accumulated running time T is less than default accumulated running time threshold value, The meter automatic entering to factory mode type;Otherwise, the meter enters user model outside factory;Wherein, the default accumulative operation Time threshold is labeled as Tmax

Step 6, for the meter after automatic entering to factory mode type, corresponding survey is completed in the test instruction outside meter reception Examination project, and obtain the meter and run to the accumulated running time of current state;Wherein, the meter is run to current state Accumulated running time is labeled as T1

Step 7, when judging that the meter run to the accumulated running time T of current state1It is pre- more than or equal to described If accumulated running time threshold value TmaxWhen, which exits factory mode and enters user model outside factory;Otherwise, continue to keep being somebody's turn to do Meter is in factory mode;

Step 8, the meter in factory mode is when occurring unexpected power down, the meter obtain its to it is current suddenly The accumulated running time at power down moment, and be stored in nonvolatile memory cell, it is transferred to step 2 when the meter powers on again; Wherein, the accumulated running time at the meter to current power down moment suddenly is labeled as T2

Step 9, the meter in factory mode receive exit factory mode order when, the meter forces note It is default accumulative more than or equal to described to the current accumulated running time for exiting the factory mode order moment is received to record its operation Run time threshold value, and exit factory mode, into factory outside user model.

Further, in the meter production test method, in step 9, work is exited received by the meter Factory's mode command is sent by host computer.

With improvement, in the meter production test method, the meter parameter in step 4 includes wheel aobvious time and interior Hold, key shows time and content, overvoltage/undervoltage control threshold, overloading control threshold value, the requirement cycle, requirement periodicity, clearing object, Load curve captures the parameter such as object and cycle.

With improvement, in the meter production test method, in step 9, the meter exits factory mode with entering Default transit time section is separated with outside factory between user's mode time.

Preferably, in the meter production test method, in step 9, the meter forces to record its operation to connecing Receive and current exit the accumulated running time at factory mode order moment and be more than or equal to the default accumulated running time threshold value.

Improve again, in the meter production test method, the meter forbids the meter again after operating mode is exited Secondary automatic entering to factory mode type without permission.

Further improve, the meter receives host computer to meter automatic entering to factory mode type when in factory mode Maximum times are configured, and when the number for judging meter automatic entering to factory mode type reaches the maximum times of setting, are forbidden The meter is again introduced into factory mode.

Preferably, the maximum times is twice.

Improve again, in the meter production test method, step 1 further includes:Detect that the meter powers on it is lasting when Between when reaching preset time value, meter enters step 2;Otherwise, meter is forbidden to enter step 2.

Alternatively, in the meter production test method, the string of checking character is obtained using CRC check method.

Compared with prior art, the advantage of the invention is that:

First, meter is when powering on, it is only necessary to according to meter check character string and meter factory mode run to Accumulated running time at current time it may determine that whether meter powers on and automatically enter first factory mode, avoids The danger of the manually opening cover under meter electriferous state is needed in conventional test methodologies, ensure that Electrical Safety;

Secondly, the meter production test method in the present invention can meet meter client in meter powers on first when carry out table Parameter is counted from setting, it is no longer necessary to pass through host computer and meter parameter is set, it is not necessary to exterior manual compiling meter parameter configuration side Case, is so more advantageous to cutting personnel and improves meter production test efficiency;

Again, the present invention is by setting the default cumulative time threshold value for meter, to avoid meter in factory mode The shortcoming of factory mode is cannot be introduced into because test station switching, power down cause meter to power on again, greatly speeds up testing efficiency;

Finally, in meter production test method provided by the present invention, once meter, which receives outside, exits factory's mould The order of formula and after exiting factory mode, meter power on again will not automatic entering to factory mode type, improve the peace of meter Quan Xing.

Brief description of the drawings

Fig. 1 is the flow diagram of meter production test method in the embodiment of the present invention.

Embodiment

The present invention is described in further detail below in conjunction with attached drawing embodiment.

As shown in Figure 1, the meter production test method in the present embodiment, which includes the following steps 1 to step 9:

Step 1, meter is powered on;

Step 2, check character string and the meter of meter are obtained from the meter nonvolatile memory cell in factory's mould Formula was run to the accumulated running time at current time;

Wherein, meter is labeled as T in the accumulated running time that factory mode was run to current time;In the present embodiment, String of checking character can select to obtain using CRC check method;

Step 3, judged according to the string of checking character of acquired meter to whether the meter powers on first:

When the string of checking character of the meter of acquisition is on-fixed constant string, the meter is judged to power on first, is turned Enter step 4;Otherwise, judge that the meter powers on first to be non-, be transferred to step 5;

Step 4, meter automatic entering to factory mode type, constant string is write to nonvolatile memory cell, and according to meter Client for meter parameter need carry out meter parameter initialization, and by meter factory mode accumulated running time in step 2 It is zeroed out processing;Signified meter parameter includes at least the wheel aobvious time in the present embodiment and content, key show time and content, mistake Under-voltage control threshold, overloading control threshold value, requirement cycle, requirement periodicity, clearing object, load curve capture object and week The parameters such as phase;

Step 5, when judging that meter factory mode accumulated running time T is less than default accumulated running time threshold value TmaxWhen, table Count automatic entering to factory mode type;Otherwise, meter enters user model outside factory;Wherein, TmaxTo preset accumulated running time threshold value;

Step 6, for meter after automatic entering to factory mode type, corresponding test item is completed in the test instruction outside meter reception Mesh, and obtain the meter and run to the accumulated running time of current state;Wherein, meter is run to the accumulative operation of current state Time is labeled as T1;Test event for meter can carry out environmental testing, break-make electrical testing and communication test to meter Etc. project;

Step 7, when judging that meter run to the accumulated running time T of current state1More than or equal to default accumulative fortune Row time threshold TmaxWhen, i.e. T1≥TmaxWhen, which exits factory mode and enters user model outside factory;Otherwise, after continuation of insurance The meter is held in factory mode;

Step 8, for the meter in factory mode when unexpected power down occurs, meter obtains it to the current power down moment suddenly Accumulated running time, and be stored in nonvolatile memory cell, step 2 be transferred to when the meter powers on again;Wherein, meter Accumulated running time to the current power down moment suddenly is labeled as T2

Step 9, the meter in factory mode receive exit factory mode order when, meter force record its operation It is more than or equal to default accumulated running time threshold value to the current accumulated running time for exiting the factory mode order moment is received, And exit factory mode, into factory outside user model.

For the step 9 in the present embodiment it should be noted that first, factory mode order is exited received by meter Sent by host computer;Secondly, which exits operating mode and into when being separated with default transition between user's mode time outside factory Between section.Meter forces to record its operation and current exit the accumulated running time at factory mode order moment and be more than or wait to receiving In default accumulated running time threshold value, that is, make the meter receive in such cases and currently exit the factory mode order moment Accumulated running time is more than or equal to Tmax

In addition, after the meter exits factory mode, forbid meter automatic entering to factory mode type without permission again.When So, meter can also receive host computer when in factory mode and the maximum times of meter automatic entering to factory mode type are set Put, and when the number for judging meter automatic entering to factory mode type reaches the maximum times of setting, forbid the meter to be again introduced into Factory mode, so as to effectively further protect the safety of meter.For example, set maximum times are preferably twice here.

In order to ensure that meter can perform the production test method in the present embodiment under power-up state in normal table, make To improve, the step 1 of the present embodiment further includes:When the duration that detection meter powers on reaches preset time value, meter enters Step 2;Otherwise, illustrate that the power-up state of current meter is unstable, then forbid meter to enter step 2.

Although the preferred embodiment of the present invention described in detail above, it is to be clearly understood that for this area Technical staff for, the invention may be variously modified and varied.That is made within the spirit and principles of the invention appoints What modification, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.

Claims (10)

  1. A kind of 1. meter production test method, it is characterised in that include the following steps 1 to step 9:
    Step 1, the meter is powered on;
    Step 2, obtained from the meter nonvolatile memory cell meter check character string and the meter in work Factory's mode operation to current time accumulated running time;Wherein, the meter runs tiring out to current time in factory mode Meter run time is labeled as T;
    Step 3, judged according to the string of checking character of acquired meter to whether the meter powers on first:
    When the string of checking character of the meter of acquisition is on-fixed constant string, the meter is judged to power on first, is turned Enter step 4;Otherwise, judge that the meter powers on first to be non-, be transferred to step 5;
    Step 4, the meter automatic entering to factory mode type, constant string is write to nonvolatile memory cell, and according to meter Client needs progress meter parameter initialization for meter parameter, and meter factory mode described in step 2 is added up to run Time is zeroed out processing;
    Step 5, it is described when judging that the meter factory mode accumulated running time T is less than default accumulated running time threshold value Meter automatic entering to factory mode type;Otherwise, the meter enters user model outside factory;Wherein, the default accumulated running time Threshold marker is Tmax
    Step 6, for the meter after automatic entering to factory mode type, corresponding test item is completed in the test instruction outside meter reception Mesh, and obtain the meter and run to the accumulated running time of current state;Wherein, the meter runs to current state and adds up Run time is labeled as T1
    Step 7, when judging that the meter run to the accumulated running time T of current state1It is default accumulative more than or equal to described Run time threshold value TmaxWhen, which exits factory mode and enters user model outside factory;Otherwise, continue to keep the meter to exist Factory mode;
    Step 8, for the meter in factory mode when unexpected power down occurs, the meter obtains it to current unexpected power down The accumulated running time at moment, and be stored in nonvolatile memory cell, it is transferred to step 2 when the meter powers on again;Wherein, The accumulated running time at the meter to current power down moment suddenly is labeled as T2
    Step 9, the meter in factory mode receive exit factory mode order when, the meter is forced to record it Operation is more than or equal to the default accumulative operation to the current accumulated running time for exiting the factory mode order moment is received Time threshold, and exit factory mode, into factory outside user model.
  2. 2. meter production test method according to claim 1, it is characterised in that in step 9, the meter is received To factory mode order of exiting sent by host computer.
  3. 3. meter production test method according to claim 1, it is characterised in that the meter parameter bag in step 4 Include the wheel aobvious time and content, key show time and content, overvoltage/undervoltage control threshold, overloading control threshold value, requirement cycle, requirement week Issue, clearing object, load curve capture object and cycle.
  4. 4. meter production test method according to claim 1, it is characterised in that in step 9, the meter exits work Default transit time section is separated with outside operation mode and entrance factory between user's mode time.
  5. 5. meter production test method according to claim 1, it is characterised in that in step 9, the meter forces note It is default accumulative more than or equal to described to the current accumulated running time for exiting the factory mode order moment is received to record its operation Run time threshold value.
  6. 6. meter production test method according to claim 1, it is characterised in that the meter is exiting factory mode Afterwards, meter automatic entering to factory mode type without permission again is forbidden.
  7. 7. meter production test method according to claim 6, it is characterised in that the meter is when in factory mode Receive host computer to be configured the maximum times of meter automatic entering to factory mode type, and judge meter automatically into factory's mould When the number of formula reaches the maximum times of setting, the meter is forbidden to be again introduced into factory mode.
  8. 8. meter production test method according to claim 7, it is characterised in that the maximum times is twice.
  9. 9. according to meter production test method according to any one of claims 1 to 8, it is characterised in that step 1 further includes: When detecting the duration that the meter powers on and reaching preset time value, meter enters step 2;Otherwise, meter is forbidden to enter step Rapid 2.
  10. 10. according to meter production test method according to any one of claims 1 to 8, it is characterised in that described to check character String is obtained using CRC check method.
CN201711383454.1A 2017-12-20 2017-12-20 Meter production testing method CN108037478B (en)

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Application Number Priority Date Filing Date Title
CN201711383454.1A CN108037478B (en) 2017-12-20 2017-12-20 Meter production testing method

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Application Number Priority Date Filing Date Title
CN201711383454.1A CN108037478B (en) 2017-12-20 2017-12-20 Meter production testing method

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CN108037478A true CN108037478A (en) 2018-05-15
CN108037478B CN108037478B (en) 2020-06-16

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1811895A (en) * 2005-01-26 2006-08-02 明基电通股份有限公司 Automatic entering to factory mode type display device and method and computer readable media
CN105279072A (en) * 2015-10-26 2016-01-27 广东威创视讯科技股份有限公司 Electronic product turn-on power-down test method, apparatus and system
CN105929356A (en) * 2016-05-13 2016-09-07 威胜集团有限公司 Method for detecting performance of intelligent electric energy meter under power-on and power-off conditions
CN107329107A (en) * 2017-08-28 2017-11-07 华立科技股份有限公司 Ammeter falls zero line error calibration and detection method and system
CN107422292A (en) * 2017-04-10 2017-12-01 华立科技股份有限公司 Correction method for intelligent electric meter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1811895A (en) * 2005-01-26 2006-08-02 明基电通股份有限公司 Automatic entering to factory mode type display device and method and computer readable media
CN105279072A (en) * 2015-10-26 2016-01-27 广东威创视讯科技股份有限公司 Electronic product turn-on power-down test method, apparatus and system
CN105929356A (en) * 2016-05-13 2016-09-07 威胜集团有限公司 Method for detecting performance of intelligent electric energy meter under power-on and power-off conditions
CN107422292A (en) * 2017-04-10 2017-12-01 华立科技股份有限公司 Correction method for intelligent electric meter
CN107329107A (en) * 2017-08-28 2017-11-07 华立科技股份有限公司 Ammeter falls zero line error calibration and detection method and system

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