CN104808045B - Electronic type indicating meter - Google Patents
Electronic type indicating meter Download PDFInfo
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- CN104808045B CN104808045B CN201410520631.6A CN201410520631A CN104808045B CN 104808045 B CN104808045 B CN 104808045B CN 201410520631 A CN201410520631 A CN 201410520631A CN 104808045 B CN104808045 B CN 104808045B
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Abstract
The present invention obtains a kind of electronic type indicating meter that can easily carry out voltage monitoring.The electronic type indicating meter has：Operation result of measurement portion (21), its voltage based on measured circuit and machine voltage virtual value；Display unit (23), it shows measurement result；Condition configuration par (24), it sets normal voltage range and the setting value as normal benchmark；Whether determination unit (25), its measured value for judging to be drawn by (21) computing of operation result of measurement portion are in normal voltage range；And display control unit (22), it controls the display content to display unit (23), display control unit (22) is determined in the case that measured value is in normal voltage range in determination unit (25), setting value is included in display unit (23), in the case where being not in normal voltage range, measured value is included in display unit (23).
Description
Technical field
The present invention relates to a kind of electronic type indicating meter used in the voltage monitoring of electric system.
Background technology
As existing electricity surveillance technology, it is proposed that following electronic type indicating meters, i.e. the voltage of input circuit,
Electric current, the electricity calculated based on the voltage and current is included in numerical monitor portion and bar chart display unit, while into
Direct numerical value monitoring and the visual surveillance that based on bar chart is shown of the row based on digital value (for example, referring to patent document 1).
In addition, during as measured value in the regulators and the larger fluctuation of setting value, it is easy to observe and measure the display of value
Technology, it is proposed that following figure place showing varisets, it has：Display unit, it shows measurement with multiple display positions
Value；Show drive division, it drives display unit；And configuration part, it sets figure place showing, and the figure place showing variset is to display
Portion carries out following controls, i.e. when measured value is in outline display area, make lowest order for blank or display mark-hold,
When the measured value is in full position display area, variable display is carried out including lowest order (for example, referring to patent document 2).
Patent document 1：Japanese Unexamined Patent Publication 2010-8269 publications (page 2, Fig. 1)
Patent document 2：Japanese Patent Publication 5-25501 publications (page 2, Fig. 1-3)
Factory, mansion in electric system etc. compared with isoelectric point positioned at downstream by power distribution system, feed
System, load system voltage monitoring in use indicating meter.In general, indicating meter uses mechanical indicating meter and electronic type
Indicating meter, mechanical indicating meter are shown that electronic type indicating meter as Patent Document 1, passes through liquid by pointer
The numerical monitors such as crystal device are shown that electronic type indicating meter becomes mainstream.
Even the same voltage of voltage measuring value for the electronic type indicating meter being arranged in same system, nor completely
Consistent.This is because caused by the meter transformer and the constant error of electronic type indicating meter that are applied in combination.Cause
This, there are following problems, i.e. although state is normal, manager still feels may there is exception.
For the voltage monitoring using mechanical indicating meter, since its precision is relatively low, and shown by pointer,
Therefore, used in the trend of voltage, the method for dependency relation is confirmed, the fluctuation of the measured value of the system is not problem.Therewith
Relatively, for electronic type indicating meter, its precision is higher, and show value is numerical monitor, therefore, makes the ripple of the measured value of the system
It is dynamic to become to come to the surface.
Also, since show value is more detailed, easily changed accordingly, there exist numerical value, it is difficult to read and record show value
The problem of.
As shown in above patent document 2, since the low level after the decimal point comprising display changes at a high speed, it is difficult to observe
To display content, for this shortcoming, full digit display area is set with as the display methods of display and outline is shown
Show region, full digit display area carries out full position and shows, outline display area will be set to blank after decimal point or be changed into symbol
And shown.
By this technology be applied to electronic type indicating meter in the case of, it is easily readable in outline display area and
Show value is recorded, still, measurement accuracy deteriorates.In addition, in full digit display area, the measured value of the system can not be solved
The problem of fluctuation.
The content of the invention
The present invention has been made to solve the above-described problems, and its object is to obtain a kind of electronic type indicator
Table, the electronic type indicating meter make in the voltage monitoring system that is used in the power system, even in existing due to constant error etc.
In the state of the fluctuation of caused measured value, will not mislead manager will normally be judged as exception, can easily carry out electricity
Pressure monitoring.
Electronic type indicating meter according to the present invention is the electronic type indicating meter of the voltage monitoring for electric system,
The electronic type indicating meter has：Operation result of measurement portion, it directly or via meter transformer reads the electricity of measured circuit
Pressure, union voltage effective value；Display unit, it shows measurement result；Condition configuration par, it sets normal voltage range and work
For the setting value of normal benchmark；Determination unit, whether the measured value that it judges to be drawn by the computing of operation result of measurement portion is in normal
In voltage range；And display control unit, it controls the display content to display unit, and display control unit determines survey in determination unit
In the case that value is in normal voltage range, setting value is included in display unit, measured value is determined not in determination unit
In the case of in normal voltage range, measured value is included in display unit.
The effect of invention
Electronic type indicating meter according to the present invention, display control unit determine measured value in determination unit and are in normal voltage
In the range of in the case of, by setting value include in display unit, the feelings being not in normal voltage range are determined in determination unit
Under condition, measured value is included in display unit, it is therefore, easily different in the case of judgement measured value deviation normal voltage range
Often, in addition, when in normal range (NR), display is changed into fixed, can prevent despite normal condition, but manager is judged as
Abnormal misrecognition, makes reading, record also become easy.
Brief description of the drawings
Fig. 1 is 1 example of the electric system of electronic type indicating meter for representing to be provided with embodiments of the present invention 1
System diagram.
Fig. 2 is the block diagram for the internal structure for representing the electronic type indicating meter in embodiments of the present invention 1.
Fig. 3 is the flow of the action for the display measured value for representing the electronic type indicating meter in embodiments of the present invention 1
Figure.
Fig. 4 is represented in the display unit of Fig. 2, the display picture when measuring voltage and being in normal voltage range
Figure.
Fig. 5 is represented in the display unit of Fig. 2, the display picture when measuring voltage and being not in normal voltage range
Figure.
Fig. 6 is the flow of the action for the display measured value for representing the electronic type indicating meter in embodiments of the present invention 2
Figure.
Fig. 7 is the figure of the display picture for the display unit for representing the electronic type indicating meter in embodiments of the present invention 3.
Fig. 8 is the figure of the display picture for the display unit for representing the electronic type indicating meter in embodiments of the present invention 4.
Fig. 9 is the block diagram for the internal structure for representing the electronic type indicating meter in embodiments of the present invention 5.
Figure 10 is the flow of the action for the display measured value for representing the electronic type indicating meter in embodiments of the present invention 5
Figure.
Figure 11 is the flow chart for the detailed content for representing a part of step in Figure 10.
The explanation of label
1 isoelectric point, 2 powered transformers, 3 meter transformers, 4 electronic type indicating meters, 5 meter transformers, 6 electronics
Formula indicating meter, 7 supply transformers, 8 meter transformers, 9 electronic type indicating meters, 10 air-conditionings, 11 lighting devices, 12 is electronic
Machine, 13~15 electronic type indicating meters, 20 electronic type indicating meters, 21 operation result of measurement portions, 22 display control units, 23 display units,
24 condition configuration pars, 25 determination units, 26 rated voltage configuration parts, 30 electronic type indicating meters, 31 operation result of measurement portions, 32 display controls
Portion processed, 33 display units, 34 condition configuration pars, 35 determination units, 36 mailing address configuration parts, 37 communication control units, 38 same systems
Determination unit, 39 same system data saving parts, 40 same system average voltage operational parts.
Embodiment
In the following, being based on Fig. 1~Fig. 5, the electronic type indicating meter in embodiments of the present invention 1 is illustrated.
Fig. 1 is represented with load system, and the power train of electronic type indicating meter is provided with as monitoring arrangement
The system diagram of one example of system.It is located at downstream compared with the isoelectric point 1 of power equipment in electricity usage persons such as factory, mansions
Side uses multiple electronic type indicating meters in by power distribution system, feed system, load system, by reading in voltage to prison
View apparatus and monitored.
Powered transformer 2 by power distribution system is, for example, the device for 6.6kV by 22kV decompressions, in its primary side, if
It is equipped with the output of meter transformer 3 electronic type indicating meter 4 as input, passes through the electronic type indicating meter 4, measurement
The voltage of the primary side of powered transformer 2 is simultaneously shown.
Similarly, in the primary side of powered transformer 2, it is provided with the output of meter transformer 5 electricity as input
Minor indicating meter 6, by the electronic type indicating meter 6, measures the voltage of the primary side of powered transformer 2 and is shown.
The supply transformer 7 of feed system is for example supplied by 6.6kV decompressions for 200V and to load system.Become in the feed
The primary side of depressor 7, is provided with each output of meter transformer 8 electronic type indicating meter 9 as input, by this
Electronic type indicating meter 9, measures the voltage of primary side and is shown.
In load system, multiple secondary lateral parallel connections for being supported on supply transformer 7.An example as load
Son, for example, showing air-conditioning (air regulator) 10, lighting device 11, motor 12.For these each loads, it is provided with
By the output of meter transformer (illustration omitted) electronic type indicating meter 13,14,15 as input, indicated by electronic type
Instrument 13,14,15, the voltage of measuring system and is shown respectively.
In addition, meter transformer is omitted sometimes according to the voltage of measured circuit, so that electronic type indicating meter is straight
Connect the voltage for reading and being measured circuit.
Fig. 2 is the block diagram for the structure for representing the electronic type indicating meter in embodiment 1.Due to each illustrated by Fig. 1
Electronic type indicating meter is substantially identical structure, and therefore, in following explanations, the electronic type in embodiment 1 is referred to
Show that instrument is illustrated as electronic type indicating meter 20.
Electronic type indicating meter 20 has：Operation result of measurement portion 21, it is transfused to the voltage of measured circuit or will be tested
The output for the meter transformer that the voltage of amount circuit is depressured, union voltage effective value；Display control unit 22, it is controlled
The display of the operation result in operation result of measurement portion 21；Display unit 23, it shows measurement result；Condition configuration par 24, it sets normal
Voltage range and setting value；Determination unit 25, it judges whether the value of operation result is normal；And rated voltage configuration part 26,
It sets rated voltage.
In addition, rated voltage configuration part 26 is not necessary in the range of embodiment 1, therefore, omits say herein
It is bright, and be described in detail in embodiment 2.
Illustrate the details in each portion below.
Display control unit 22 has 2 display patterns, i.e. operational mode and monitoring mode, two patterns allow hand over.
Determination unit 25 is provided with monitoring mode therein, it is normal or abnormal judgement which, which measures value,.
Condition configuration par 24 prepares out " normal voltage range " of the tolerance level as measured circuit in advance
Value and " setting value " for the benchmark as normal voltage.
Carry out virtual value computing to the voltage that is inputted in operation result of measurement portion 21, the magnitude of voltage that computing is drawn as
" measured value " is sent to display control unit 22.On the other hand, " setting value " set in condition configuration par 24 can be by user
Set, for example, can be using rated voltage as setting value.In the present embodiment, the value by user's setting is known as " user
Setting value ".
In the case of operational mode, " measured value " that is drawn by operation result of measurement portion 21 is shown in display unit 23.
In the case of monitoring mode, judge by the measured value that operation result of measurement portion 21 is drawn it is normal or abnormal by determination unit 25.This
When decision condition use " normal voltage range " that is set out in configuration part 24, if the survey drawn by operation result of measurement portion 21
Value is in normal voltage range, then is determined as normal and " the user's setting value " that is set out by condition configuration par 24 is aobvious
Show in display unit 23.If outside the normal voltage range, it is determined as exception, will be directly drawn by operation result of measurement portion 21
The exceptional value that " measured value " deviates normal voltage range is shown in display unit 23.
In the following, the action of monitoring mode is further illustrated by the flow chart of Fig. 3.
First, it is defeated to institute in operation result of measurement portion 21 in initial step S51 (below as S51 carry out referred to as)
The voltage entered carries out virtual value computing, using operation result as " measured value ", and is sent to display control unit 22.
Then, in S52, in display control unit 22, it is operational mode or monitoring mode to judge display pattern, is passed through
Dwell pattern is changed.
In the case of non-monitoring mode, i.e., in the case of operational mode, into S55, it will be obtained by operation result of measurement portion 21
" measured value " gone out is shown in display unit 23.
In the case of monitoring mode, into S53, the measured value for judging to be drawn by operation result of measurement portion 21 by determination unit 25
Whether it is in the normal voltage range set out by condition configuration par 24.
Herein, if it is decided that source, then into S54, will be set out in normal voltage range by condition configuration par 24
" user's setting value " be shown in display unit 23.
If determined in S53 outside normal voltage range, into S55, by what is drawn by operation result of measurement portion 21
" measured value " is shown in display unit 23.
In the following, display picture of the explanation in the case of the electronic type indicating meter measurement voltage in by embodiment 1.
Fig. 4 is the figure for an example for representing display picture.Electric-powered manner is 3 wire type of three-phase of 6.6kV systems, and the measured value of RS phases
It is 6589V, the measurement voltage of ST phases is 6588V, and the measurement voltage of TR phases is 6585V, and normal voltage range is being set to 6534V
~6666V (6600V ± 1%), is that measurement voltage is in normal range (NR) in the case that user's setting value is set to 6600V
The example of display picture.Scheme the display picture that (a) represents operational mode, figure (b) represents the display picture of monitoring mode.
In the case of operational mode, such as scheme shown in (a), display measurement voltage, that is, measured value.
In the case of monitoring mode, the measured value of each phase is in normal voltage range, therefore, is such as schemed shown in (b), is shown
Show user's setting value.
Fig. 5 is that the setting condition of electric-powered manner and condition configuration par 24 is identical with Fig. 4, and the measured value of RS phases is 6530V,
The measurement voltage of ST phases is 6588V, and the measurement voltage of TR phases is the situation of 6585V.That is, when the survey drawn by operation result of measurement portion 21
The example of display picture when value is in normal voltage range outer (in this example, the measured value of RS is less than normal voltage range)
Son.Scheme the display picture that (a) represents operational mode, figure (b) represents the display picture of monitoring mode.
In the case of operational mode, such as scheme shown in (a), show measured value.In the case of monitoring mode, due to RS phases
Measurement voltage be in outside normal voltage range, therefore, such as scheme (b) shown in, the display of RS phases is set to measured value 6530V, by
It is in ST phases with TR phases in normal voltage range, therefore, shows the 6600V of user's setting value.
By above-mentioned display, in monitoring mode, if display picture shows user's setting value, it is able to confirm that out just
Often, if showing the value beyond user's setting value, exception can be easily confirmed.
In addition, in above-mentioned, only display is in the measured value of the phase outside normal voltage range, still, if some is got along
Measured value is shown in all phases outside normal voltage range, then can also be directed to.
As described above, the electronic type indicating meter involved by 1 according to embodiment, is to carry out the voltage of electric system
The electronic type indicating meter for monitoring and using, the electronic type indicating meter have：Operation result of measurement portion, it is directly or via instrument
The voltage of measured circuit, union voltage effective value are read with transformer；Display unit, it shows measurement result；Condition is set
Determine portion, it sets normal voltage range and the setting value as normal benchmark；Determination unit, its judgement are transported by operation result of measurement portion
Whether the measured value calculated and drawn is in normal voltage range；And display control unit, it is controlled into the display of display unit
Hold, display control unit is controlled in the following manner, i.e. determine the feelings that measured value is in normal voltage range in determination unit
Under condition, setting value is included in display unit, is determined in determination unit in the case that measured value is not in normal voltage range,
Measured value is included in display unit, therefore, easily determines out the exception in the case of measured value deviation normal voltage range, separately
Outside, when in normal range (NR), display is changed into fixed, therefore, it is possible to prevent from still judging despite normal condition but manager
For abnormal misrecognition, reading, record is also set to become easy.
Embodiment 2
Fig. 6 is the flow of the action for the display measured value for representing the electronic type indicating meter in embodiments of the present invention 2
Figure.The structure of electronic type indicating meter is identical with Fig. 2 of embodiment 1.It is but omissible specified in embodiment 1
Voltage configuration part 26 is necessary.The rated voltage of measured circuit is set with rated voltage configuration part 26.Display unit
Picture is identical with embodiment 1.Below, the explanation of same section is omitted, and is illustrated difference as center.
In the S61 of Fig. 6, in operation result of measurement portion 21, virtual value computing is carried out to the voltage inputted and calculates measurement
Value, the measured value calculated is sent to display control unit 22.
Then, in s 62, in display control unit 22, judge that display pattern is operational mode or monitoring mode.At this
In, S65 is entered in the case of non-monitoring mode, identically with embodiment 1 includes measured value in display unit 23.
In the case of monitoring mode, into S63, the measured value for judging to be drawn by operation result of measurement portion 21 by determination unit 25
Whether in normal voltage range, in the case where being not in normal voltage range, into S65.
In the case of in normal voltage range, rated voltage configuration part 26 as shown in Figure 2 is set out automatically
Setting value of the rated voltage as condition configuration par 24, and be shown in display unit 23.That is, display unit 23 is shown specified
Magnitude of voltage.Electronic type indicating meter in order to carry out use, it is necessary to the rated voltage to match with measurement point be set, therefore, by this
Value is by the use of being used as setting value.
In addition, in explanation so far, normal voltage range is set by the user, but it is also possible to according to pre-
The measurement accuracy of electronic type indicating meter known to elder generation and the load voltage value set out by rated voltage configuration part 26, and from
Calculated dynamicly.
As described above, 2 electronic type indicating meter according to embodiment, on the basis of the structure of embodiment 1, also has
There is rated voltage configuration part, it sets the corresponding rated voltage of voltage with being measured circuit, in the setting of condition configuration par
Using the rated voltage set out by rated voltage configuration part in value, determine measured value in determination unit and be in normal voltage range
In the case of interior, rated voltage is shown, therefore, it is possible on the basis of the effect of embodiment 1, prevent due to setting
Bothering caused by increase, and simplify setting.
In addition, measurement essence that can be based on electronic type indicating meter by the normal voltage range of condition configuration par setting
Spend and automatically set by the load voltage value that rated voltage configuration part is set out, set therefore, it is possible to further simplification
It is fixed, in addition, in the case of being provided with multiple electronic type indicating meters in electric system, can be fixed in measurement accuracy
Display.
Embodiment 3
Fig. 7 is the example of the display picture for the monitoring mode for representing the electronic type indicating meter in embodiments of the present invention 3
Son.The structure of electronic type indicating meter is identical with Fig. 2 of embodiment 1.Below, the explanation of same section is omitted, and will not
Illustrated with putting as center.
In the present embodiment, in the monitoring mode, in the case where measured value is in outside normal voltage range, with by
On the basis of mode illustrated by Fig. 5 of embodiment 1 shows measured value, as abnormal intrinsic display is represented, add abnormal
Judge information.As an example of unusual determination information, added in the case where measured value exceedes normal voltage range
" HIGH ", the intrinsic information of " LOW " is being added less than in the case of, is being alternately displayed with measured value.
Fig. 7 is the picture of monitoring mode, figure (a) be the display picture for directly displaying measured value, figure (b) be attached with it is different
Often judge the display picture of information.In the case of the example, the measurement voltage of RS phases is less than normal voltage range, therefore, shows
It is shown as " LOW ".(a) pictures are made alternately to be shown with being somebody's turn to do (b) picture.
As described above, 3 electronic type indicating meter according to embodiment, determines in determination unit and is not at normal voltage model
In the case of in enclosing, measured value is alternately displayed with the intrinsic display for representing exception, therefore, by adding unusual determination information,
For example, to being due to that exception caused by voltage rises also is due to that exception caused by voltage declines is very clear, moreover, passing through friendship
Strengthen identity for display, make the abnormal of voltage monitoring judge to become easy.
Embodiment 4
Fig. 8 is the example for the display picture for representing the electronic type indicating meter in embodiment 4.Electronic type indicating meter
Structure is identical with Fig. 2 of embodiment 1.In the following, illustrated with the difference of embodiment 1 as center.
Fig. 8 (A) is the display picture of operational mode, and Fig. 8 (b) is the display picture of monitoring mode.As with embodiment party
In the case of measurement magnitude of voltage identical Fig. 4 of formula 1, in operational mode, such as scheme shown in (a), to show measured value.In monitoring mould
In formula, the measured value of each phase is in normal voltage range, therefore, such as schemes shown in (b), to show situation and the embodiment party of setting value
Formula 1 is identical, still, in the present embodiment, on this basis, additional to be directed in the case of in normal voltage range
The measured value of normal voltage range.
In general, electronic type indicating meter has bar chart, the situation using the bar chart is represented by example.As additional
Measured value in bar chart, exemplifies the description below, i.e. the scope for showing bar chart is set out as by condition configuration par
Normal voltage range and show the maximum and minimum value of normal voltage range, by warning triangle by measured value include at this
In shape figure.Alternatively, it is also possible to show setting value.
In addition, as the measured value being attached in bar chart, the measured value, most of the phase voltage of all phases can also be shown
Deviate measured value, the average value of each phase voltage of the phase voltage of normal voltage range.
As described above, 4 electronic type indicating meter, display unit have the function of that bar chart is shown according to embodiment, will
The scope that bar chart is shown is determined in just as the normal voltage range set out by condition configuration par by determination unit
In the case of in normal voltage range, measured value is shown in bar chart is shown, therefore, it is possible to confirm relative to normal voltage range
Rate more than needed so that being beneficial to prevent the fine voltage monitorings such as abnormal generation from becoming easy in advance.
Embodiment 5
In embodiment 1, determined in monitoring mode measured value it is normal in the case of, display user setting fixation
Value, still, in the present embodiment, can show and the corresponding setting magnitude of voltage of measured value.
Fig. 9 is the block diagram for the structure for representing the electronic type indicating meter in embodiments of the present invention 5.In addition, Figure 10 is
Represent the flow chart of the action of the measured value in display Fig. 9, Figure 11 is the detailed content for further indicating that the processing unit in Figure 10
Flow chart.
In fig.9, electronic type indicating meter 30 is by the voltage of measured circuit or the voltage step-down by measured circuit
The output of meter transformer inputted to operation result of measurement portion 31, and carry out virtual value computing, the measured value that computing is drawn
Sent to display control unit 32.Display control unit 32 has operational mode and monitoring mode, and can switch over.In operation mould
In the case of formula, it will be included by 31 computing of operation result of measurement portion and the measured value that draws in display unit 33.In the feelings of monitoring mode
Under condition, same system average voltage calculation process described later is carried out.
From part of the operation result of measurement portion 31 untill determination unit 35, in hardware aspect and the slave operational part 21 of embodiment 1
Part untill determination unit 25 is identical, in the present embodiment, also with mailing address configuration part 36, communication control unit 37,
Same system determination unit 38, same system data saving part 39 and same system average voltage operational part 40.
Normal voltage range is preset in condition configuration par 34.
The setting value of condition configuration par 34 is determined by same system average voltage calculation process as described below.
First, in communication control unit 37, by communication, according to the mailing address set out by mailing address configuration part 36
Order, the measured value of multiple electronic type indicating meters to being arranged in same system is collected.Electronic type indicating meter
Mutual connection method has the mode such as wired, wireless.
Then, based on the condition, that is, normal voltage range set out, to collected survey in same system determination unit 38
Value carries out normal or abnormal judgement.It will be in normal voltage range and be judged as normal measured value as computing time
Mend and preserve to same system data saving part 39, then, to preserving data in same system average voltage operational part 40
Average value is calculated, as " setting value ".
After same system average voltage calculation process, by the determination unit 35 in display control unit 32, to by measuring
31 computing of operational part and the measured value that draws are normal or abnormal are judged.Decision condition use condition configuration part 34 is just
Normal voltage range, if the measured value drawn by 31 computing of operation result of measurement portion is in normal voltage range, is determined as just
Often, above-mentioned " setting value " is shown in display unit 33.If outside the normal voltage range, it is determined as exception, will be by
31 computing of operation result of measurement portion and draw " measured value " and be shown in display unit 33.
In the following, above-mentioned action is further described by Figure 10,11 flow chart.
In the S71 of Figure 10, the output of meter transformer is inputted to operation result of measurement portion 31, passes through operation result of measurement portion 31
Virtual value computing is carried out to the voltage inputted, measured value is calculated and is sent to display control unit 32.
Then in S72, whether the display pattern for judging display control unit 22 is monitoring mode, is carried out by dwell pattern
Change.
In the case of non-monitoring mode, i.e., in the case of operational mode, into S76, it will be obtained by operation result of measurement portion 31
The measured value gone out is shown in display unit 33.
In the case of monitoring mode, into S73, calculate the same system average voltage calculation process of setting value.
Figure 11 is the flow chart of the detailed content for the calculation process for representing S73.Using Figure 11, to same system average voltage
Calculation process illustrates.
If start calculation process, first in S81, in communication control unit 37, according to by mailing address configuration part
The order of 36 mailing addresses set out, the measured value of the electronic type indicating meter to being arranged in same system are collected.
Then, in S82, in same system determination unit 38, judge whether collected measured value is in and set by condition
Determine in the normal voltage range that portion 34 is set out.
In S82, if it is decided that be in normal voltage range, then into S83, preserved as computing candidate to same
One system data storage unit 39, into S85.
In S82, if it is decided that be outside normal voltage range, then not as computing candidate, into S85.
In S85, repeat from S81 to S84, until the survey to the multiple electronic type indicating meters being arranged in same system
Untill the collection of value is completed.
Then, in S86, have collected the multiple electronic type indicating meters being arranged in same system measured value it
Afterwards, in same system average voltage operational part 40, calculating is stored in the computing candidate in same system data saving part 39
Average value, the setting value using value setting as condition configuration par 34, terminates same system average voltage calculation process.
Figure 10 is returned to, in s 74, in determination unit 35, whether the measured value for judging to be drawn by operation result of measurement portion 31 is in
In the normal voltage range set out by condition configuration par 34.
In s 74, if it is decided that go out measured value and be in normal voltage range, then bar will be set in by the S86 of Figure 11
Setting value in part configuration part 34 is shown in display unit 33.
In s 74, if it is decided that be outside normal voltage range, then into S76, by what is drawn by operation result of measurement portion 31
Measured value is shown in display unit 33.
In the above description, for the electronic type indicating meter being arranged in same system, average value is calculated, and set
It is set to setting value, still, in same system, sometimes due to air-conditioning, lighting device or motor even load are different, electricity
Buckling is moved also different, therefore, will be used as same system on a large scale more, can select arbitrary electronic type indicating meter by user and
Determined.
In addition, the decision condition of determination unit 35 and same system determination unit 38 is common, still, exists and missed due to intrinsic
The fluctuation of measured value caused by difference etc., accordingly it is also possible to set decision condition respectively.
As described above, 5 electronic type indicating meter according to embodiment, also has：Communication control unit, it is same to being arranged on
The measured value of the electronic type indicating meter of one system is collected；Same system determination unit, its judgement are collected by communication control unit
Measured value whether in the normal voltage range；Same system data saving part, it is determined by same system determination unit
In the case of in normal voltage range, preserved using collected measured value as computing candidate；And same system
System average voltage operational part, the average value for the computing candidate that its computing preserves in same system data saving part will be by same
Setting value of the average value that system average voltage operational part calculates as condition configuration par, therefore, by being set as and setting
The corresponding setting value of measured value of multiple electronic type indicating meters in same system, even in being provided with the electricity such as generator
Buckling moves violent position, also can by with actual measured value similar in value, make to be arranged on the electronics in same system
The show value of formula indicating meter is consistent.
In addition, present invention within the scope of the invention can be freely combined each embodiment, to implementing
Mode is suitably changed, omitted.
Claims (6)
1. a kind of electronic type indicating meter, it is used for the voltage monitoring in electric system,
The electronic type indicating meter is characterized in that having：
Operation result of measurement portion (21), it directly or via meter transformer (3,5,8) reads the voltage of measured circuit, and transports
Calculate voltage effective value；
Display unit (23), it shows measurement result；
Condition configuration par (24), it sets normal voltage range and the setting value as normal benchmark；
Determination unit (25), whether the measured value that it judges to be drawn by operation result of measurement portion (21) computing is in the normal electricity
In the range of pressure；And
Display control unit (22), it controls the display content to the display unit (23),
The display control unit (22), determines the measured value in the determination unit (25) and is in the normal voltage range
In the case of, the setting value is included in the display unit (23), the measured value is determined in the determination unit (25)
In the case of being not in the normal voltage range, the measured value is included in the display unit (23).
2. electronic type indicating meter according to claim 1, it is characterised in that
Also there are rated voltage configuration part (26), which sets the voltage phase with the measured circuit
Corresponding rated voltage,
The specified electricity set out by the rated voltage configuration part (26) is used in the setting value of the condition configuration par (24)
Pressure value,
Determined in the determination unit (25) in the case that the measured value is in the normal voltage range, show the volume
Constant voltage value.
3. electronic type indicating meter according to claim 2, it is characterised in that
The normal voltage range set by the condition configuration par (24), the measurement based on the electronic type indicating meter
Precision and automatically set by the load voltage value that the rated voltage configuration part (26) sets out.
4. electronic type indicating meter according to claim 1, it is characterised in that
In the case where the determination unit (25) is determined and is not in the normal voltage range, by the measured value and expression
Abnormal intrinsic display alternately displays.
5. electronic type indicating meter according to claim 1, it is characterised in that
The display unit (23) has the function of that bar chart is shown, is set using the scope that the bar chart is shown as by the condition
Determine the normal voltage range that portion (24) is set out, determined by the determination unit (25) in the normal voltage model
In the case of in enclosing, the measured value is shown in the bar chart is shown.
6. electronic type indicating meter according to claim 1, it is characterised in that also have：
Communication control unit (37), the measured value of its electronic type indicating meter to being arranged in same system are received
Collection；
Same system determination unit (38), whether the measured value that it judges to be collected by the communication control unit (37) is in described
In normal voltage range；
Same system data saving part (39), it is determined in the normal voltage by the same system determination unit (38)
In the range of in the case of, the collected measured value is preserved as computing candidate；And
Same system average voltage operational part (40), its computing preserve described in the same system data saving part (39)
The average value of computing candidate,
Will be by the average value that the same system average voltage operational part (40) calculates as the condition configuration par (34)
The setting value.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014011968A JP6116493B2 (en) | 2014-01-27 | 2014-01-27 | Electronic indicator |
| JP2014-011968 | 2014-01-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104808045A CN104808045A (en) | 2015-07-29 |
| CN104808045B true CN104808045B (en) | 2018-04-13 |
Family
ID=53693046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410520631.6A Expired - Fee Related CN104808045B (en) | 2014-01-27 | 2014-09-30 | Electronic type indicating meter |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6116493B2 (en) |
| CN (1) | CN104808045B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7248382B2 (en) * | 2017-09-20 | 2023-03-29 | 大崎電気工業株式会社 | electronic electricity meter |
| JP7091149B2 (en) * | 2018-05-30 | 2022-06-27 | ホシザキ株式会社 | Cool storage |
| CN109782051B (en) * | 2019-01-04 | 2020-12-04 | 重庆和航科技股份有限公司 | Load current abnormity early warning device, system and method based on Internet of things |
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|---|---|---|---|---|
| JPH05164792A (en) * | 1991-12-12 | 1993-06-29 | Matsushita Electric Ind Co Ltd | Magnetic recording/reproduction device |
| JP2003279602A (en) * | 2002-01-15 | 2003-10-02 | Mitsubishi Electric Corp | Electronic indicating ammeter |
| CN101614758A (en) * | 2008-06-27 | 2009-12-30 | 三菱电机株式会社 | Electronic indicator |
| CN101639494A (en) * | 2008-07-29 | 2010-02-03 | 三菱电机株式会社 | Electronic indicator |
| CN102095912A (en) * | 2009-12-10 | 2011-06-15 | 三菱电机株式会社 | Electronic indicator |
| CN102445580A (en) * | 2010-10-12 | 2012-05-09 | 三菱电机株式会社 | Electronic indicator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60168028U (en) * | 1984-04-13 | 1985-11-07 | シャープ株式会社 | electronic thermometer |
| JP5081466B2 (en) * | 2007-02-16 | 2012-11-28 | パナソニック株式会社 | Electronic breaker |
-
2014
- 2014-01-27 JP JP2014011968A patent/JP6116493B2/en not_active Expired - Fee Related
- 2014-09-30 CN CN201410520631.6A patent/CN104808045B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05164792A (en) * | 1991-12-12 | 1993-06-29 | Matsushita Electric Ind Co Ltd | Magnetic recording/reproduction device |
| JP2003279602A (en) * | 2002-01-15 | 2003-10-02 | Mitsubishi Electric Corp | Electronic indicating ammeter |
| CN101614758A (en) * | 2008-06-27 | 2009-12-30 | 三菱电机株式会社 | Electronic indicator |
| CN101639494A (en) * | 2008-07-29 | 2010-02-03 | 三菱电机株式会社 | Electronic indicator |
| CN102095912A (en) * | 2009-12-10 | 2011-06-15 | 三菱电机株式会社 | Electronic indicator |
| CN102445580A (en) * | 2010-10-12 | 2012-05-09 | 三菱电机株式会社 | Electronic indicator |
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| Title |
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| 电子式兆欧表应用技术探讨;王水成;《青海电力》;20090331;第28卷(第1期);第6-9页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015141018A (en) | 2015-08-03 |
| JP6116493B2 (en) | 2017-04-19 |
| CN104808045A (en) | 2015-07-29 |
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