CN102798744A - Energy measuring unit - Google Patents
Energy measuring unit Download PDFInfo
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- CN102798744A CN102798744A CN2012100249937A CN201210024993A CN102798744A CN 102798744 A CN102798744 A CN 102798744A CN 2012100249937 A CN2012100249937 A CN 2012100249937A CN 201210024993 A CN201210024993 A CN 201210024993A CN 102798744 A CN102798744 A CN 102798744A
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Abstract
The present invention obtains an energy measuring unit which is easy to confirm set content by viewing displayed set items, so as to prevent false settings. The energy measuring unit comprises: a measuring operation part for operating a measuring value according to a current and a voltage of a circuit; a display part for displaying the measuring value operated by the measuring operation part and set contents; a display unit control part for performing switching control for various settings and display contents used for measuring operation of the measuring operation part and display of the display part; an operating part for performing switching operation of the display unit control part; a setting content storing part for storing selectable set values of the set items; a recording part for storing the measuring value operated by the measuring operation part through the display unit control part; and a storage medium control part for reading set data from a storage medium and writing recorded data and set data into the storage medium, wherein, after the storage medium control part read out the set data, the display part at least displays the set data of a phase line form, a primary voltage, and a primary current.
Description
Technical field
The present invention relates to a kind of energy measurement unit; Its voltage and current to for example three-phase circuit is measured; Electric parameters such as voltage, electric current, power, reactance capacity, power factor, frequency are carried out computing, and the setting, the measured value that have the energy measurement unit show the recording and displaying unit of preserving with time series.
Background technology
Existing energy measurement unit has: display part, and it switches, shows that to measuring setting menu screen and setting content display frame this measurement is set menu screen setting items such as phase line form, primary voltage, primary current are had a guide look of demonstration; And operating portion, it is used for that the display items display of the assigned position of this display part is carried out operations necessary and handles.And; This operating portion has the key that for example advances, back spacer and add key and Substract key etc.; Wherein, Advance key, back spacer can make cursor carry out moving of above-below direction towards desired display items destination locations, and add key and Substract key are used for corresponding its displaying contents that changes of display items display with ad-hoc location through this cursor selection.Method as the setting content of confirming setting item display field, setting content display field in the said main display part in existing energy measurement unit, has proposed following 2 methods.
At first, the 1st method do, through in main display part one by one the project ground display setting contents of a project confirm.This method through switching displayed successively till showing specific setting item display field; For example show to till the setting item display field of primary current; Thereby, repeat this display process, and confirm setting content through during till showing all desired setting contents.
The 2nd method is to use as the numerical value of setting coding and confirm.This method obtains following energy measurement unit and uses recording and displaying unit, that is, can promptly quantize through setting item is carried out numeralization, thereby in the guide look of a screen displayed setting item, eliminate the trouble of image switching when setting content is confirmed.But, because with the setting content numeralization, so, utilize and set coding schedule inquiry coding and confirm (for example with reference to patent documentation 1) in order to confirm setting content.
Patent documentation 1: TOHKEMY 2010-32366 communique
Summary of the invention
Because existing energy measurement unit formation as implied above; In addition, the dot matrix limited amount of display part is so can only consider once to show a plurality of setting items; Only show 1 setting item and project setting content is confirmed one by one, perhaps the method for code displaying.But, insert in the main body at the storage mediums such as storage card that will store different a plurality of setting datas, read setting data and set under the situation of energy measurement unit from storage medium; In a plurality of setting datas of confirming whether from storage medium, to store, read corresponding data, and when having accomplished the setting in the energy measurement unit, in existing method, have following problems; Promptly; Spended time, efficient are poor when confirming, can't confirm intuitively in addition, confirm the operation trouble.
The present invention proposes in order to solve said problem; Its purpose is; Obtain a kind of energy measurement unit, it is through showing the setting content of phase line form, primary voltage, primary current at once after reading setting data from storage medium, thereby can set operation efficiently.
Energy measurement unit involved in the present invention has: measure operational part, it carries out computing according to electric current, voltage from the circuit input to various measured values; Display part, it shows measured value and the setting content that is calculated by this measurement operational part; The display unit control part, its various settings, displaying contents to the demonstration of the measurement computing that is used for said measurement operational part and said display part carries out switching controls; Operating portion, it carries out the blocked operation of this display unit control part; The setting content storage part, the selectable setting value of its each setting item of storage; Recording portion, the amount during it will preserve necessarily by the measured value that the measurement operational part calculates via the display unit control part; And storage medium control part; It reads setting data from storage medium; Write record data and setting data etc. to storage medium; This energy measurement unit shows the setting data of phase line form, primary voltage, primary current in display part after utilizing said storage medium control part to read setting data.
The effect of invention
According to energy measurement unit involved in the present invention; Through after reading setting data, showing the setting content of primary voltage, primary current, phase line form at once from storage medium; Switch thereby can eliminate unnecessary picture, make setting content confirm the operation high efficiency.
Description of drawings
Fig. 1 is the block diagram of an example of annexation and function of the each several part of the related energy measurement unit of expression embodiment of the present invention 1.
Fig. 2 is the front elevation of the related energy measurement unit of expression embodiment of the present invention 1 with an example of the outward appearance of recording and displaying unit.
Fig. 3 is the block diagram of an example of the system diagram that example is set and the initialization system of the related energy measurement unit of expression embodiment of the present invention 1.
Fig. 4 is the block diagram of an example of the interior storage area of expression embodiment 1 employed storage medium (storage card) of the present invention, file.
Fig. 5 representes setting operation of realizing with recording and displaying unit via embodiment of the present invention 1 related energy measurement unit and the process flow diagram of confirming an example of step thereof.
Fig. 6 is the figure that setting data that expression embodiment of the present invention 1 related energy measurement unit shows with the record picture when reading in shows an example of redirect.
Fig. 7 is the block diagram of an example of the interior storage area of expression embodiment 1 employed storage medium (storage card) of the present invention, file.
Fig. 8 is the figure of the setting replicate run that realizes with recording and displaying unit via embodiment of the present invention 2 related energy measurement unit of expression.
Fig. 9 utilizes setting replicate run that flowcharting realizes with recording and displaying unit via embodiment of the present invention 2 related energy measurement unit and the figure that confirms an example of step thereof.
Figure 10 is the figure that setting data that expression embodiment of the present invention 2 related energy measurement unit show with the record picture when writing out shows an example of redirect.
Embodiment
Below, according to Fig. 1 to Fig. 6, embodiment 1 of the present invention is described.As shown in Figure 1, embodiment of the present invention 1 related energy measurement unit is made up of energy measurement unit main body 100 and recording and displaying unit 200.Energy measurement unit main body 100 has: measure operational part 4; It is according to the current value of electric current input part 2 input with to the magnitude of voltage of voltage input part 3 inputs; Various electric parameters such as voltage, electric current, power, reactance capacity, power factor, frequency are carried out computing; Wherein, this electric current input part 2 will be transformed to digital signal from the current transformer CT of a plurality of circuit 1～N (circuit 1 only is shown among the figure) and the input of potential transformer VT with voltage input part 3; And after the setting content storage part 9 stated.
Recording and displaying unit 200 has: display part 5, and it shows measured value and setting item that the measurement operational part 4 by this energy measurement unit main body 100 calculates; Recording portion 6, its measurement operational part 4 with energy measurement unit main body 100 are measured computing and the time series data that obtains is preserved the amount during certain; Display unit control part 7, it is used for various settings and the switching controls of displaying contents of demonstration of measurement computing and display part 5 of the measurement operational part 4 of energy measurement unit main body 100; Operating portion 8, it carries out the blocked operation of this display unit control part 7; And storage medium control part 10, it can read in setting data from storage medium, and writes to storage medium.
Be arranged on the data of setting content storage part 9 in the energy measurement unit main body 100 and storage corresponding as the filename of record data with circuit quantity; Promptly; Circuit name storage part 9a; And electric parameter measured the necessary setting data of computing, promptly the phase line form is set storage part 9b, primary current and is set the selectable setting value that storage part 9c, primary voltage set each setting item of storage part 9d etc.In addition; Each data that can set for setting content storage part 9; Be three-phase 3 line formulas, three-phase 4 line formulas, single-phase 3 line formulas and single-phase 2 line formulas among the phase line form setting storage part 9b for example; It is 5A～30kA that primary current is set among the storage part 9c, and it is 110V～110kV that primary voltage is set among the storage part 9d.
In Fig. 2, the display part of recording and displaying unit 200 5 is made up of following part: circuit shows LED (light emitting diode) 5a, and it illustrates the circuit of selected demonstration; And LCD (liquid crystal panel) 5b, its show selected demonstration circuit measured value and set the menu setting content, for example, display part 5 shows measured value, multiplier and unit in measurement pattern (a), in setting pattern (b), to the demonstration of tabulating of setting menu.And operating portion 8 has: circuit switch key 8a, and it switches selected circuit; Setting key 8b, it uses when switching setting pattern and measurement pattern; Confirm key 8c, it uses when the content of item is selected in decision; Reset button 8d, it uses when the cancellation chosen content; Advance key 8e and back spacer 8f, it switches option; And add key 8g and Substract key 8h, it switches chosen content.
In Fig. 3 of the example that the system diagram that is provided with said energy measurement unit is shown, 101～104 expression energy measurement unit main body, 201～204 expression recording and displaying unit, 300 expression PC (personal computer), 400 expression storage mediums (storage card).Energy measurement unit main body 101 is a single circuit, and setting content does, the phase line form is three-phase 3 line formulas (3P3W), and primary voltage is 6600V; Primary current is 30A, and energy measurement unit main body 102 and 103 is a single circuit, and setting content is that the phase line form is three-phase 3 line formulas (3P3W); Primary voltage is 200V, and primary current is 50A, and energy measurement unit main body 104 is 3 circuit, and setting content is respectively; The phase line form is single-phase 3 line formulas (1P3W), and primary voltage is 200V, and primary current is 100A.At this moment, the setting of above-mentioned energy measurement unit main body is that storage medium 400 by the setting data that the PC 300 that generates required vertical application of setting data or table software for calculation and each loop that can stored energy measuring unit main body 101～104 are installed carries out.In addition, storage medium 400 can the two carries out the read-write of setting data and record data by PC 300 and recording and displaying unit 200.
As shown in Figure 4, as the form of storage medium, for example have and set with storage medium 401, and write down with storage medium 402 etc.In Fig. 4; Set with storage medium 401 and have the setting data storage area 41 of preserving setting data; In setting data storage area 41, preserve a plurality of enactment documents 42, this enactment document 42 correspondingly has the setting value of circuit name, phase line form, primary voltage, primary voltage with circuit quantity.In addition, record has the record data storage area 43 that record data are preserved with storage medium 402, in record data storage area 43, preserves a plurality of log files 44 with the measured value data that write down.
Below, utilize the process flow diagram of Fig. 5, setting operation of realizing with recording and displaying unit via the energy measurement unit and an example confirming step thereof are described.In the process flow diagram of the expression setting operation of Fig. 5, at first, take out record with storage medium 402 (S101) from recording and displaying unit 200, will set with storage medium 401 insertion recording and displaying unit 200 (S102).Then, utilize the setting key 8b in the operating portion 8, recording and displaying unit 200 is switched to setting pattern (S103) from measurement pattern.
In the setting pattern, at first select setting value to read in menu (S104).On the LCD of display part 5 5b, switch option through pressing the key 8e that advances, back spacer 8f, set under the state that reads in having selected, confirm key 8c through pressing, and the display setting file is selected picture (Fig. 6).
Current, on LCD 5b, show the numeral of representing enactment document, under the situation of change setting file, press add key 8g or Substract key 8h at every turn, then the sequence number of enactment document is switched.Select desired enactment document, press and confirm key 8c, thus decision enactment document (S105).
If the appointment of enactment document finishes, then the energy measurement unit reads in preservation (S106) with what recording and displaying unit 200 was carried out setting value.To utilize storage medium control part 10 (Fig. 1) from setting the setting data that reads in storage medium 401, be kept in the setting content storage part 9 (Fig. 1) of energy measurement unit main body 100 the end setup pattern via display unit control part 7 (Fig. 1).
After the setting pattern finishes, jump to affirmation mode automatically, on LCD 5b, show the setting value (S107) of phase line form, primary voltage, primary current.The circuit of confirming is being made under the situation of change, pressing circuit switch key 8a at every turn, then the circuit sequence number is being switched (S108).Show that with selected circuit corresponding electrical circuits LED 5a lights a lamp, on LCD5b, show the setting content of this circuit.In addition, the circuit name in the setting data is used as the title of log file.
Under the state of affirmation mode, the setting key 8b in the push portion 8 finishes affirmation mode (S109) thus.After affirmation mode finishes, will set with storage medium 401 from the energy measurement unit with taking-up (S110) the recording and displaying unit 200, insertion is write down with storage medium 402 (S111).
In addition; As shown in Figure 7, have under the two the situation of storage medium 403 of setting data storage area 41 and record data storage area 43 in use, can omit the following step in the process flow diagram of expression setting operation of Fig. 5; Promptly; Before setting, take out record with the step (S101) of storage medium 402 and set accomplish the back take out set with storage medium 401 also once more insertion write down step with storage medium 402 (S110, S111).
According to this embodiment, through after setting operation, showing the setting content of primary voltage, primary current, phase line form at once automatically, take industry really as thereby can easily whether set desirable setting data, can prevent misspecification.In addition, through the circuit name setting value in the enactment document that reads in being made as the title of log file, thereby can easily differentiate the record data of collecting from a plurality of surveying instruments.
In the terminal that can measure a plurality of circuit; Through can behind setting operation, showing the setting content of primary voltage, primary current, phase line form at once automatically; Switch the content of setting in each circuit then and confirm; Even thereby exist under the situation of a plurality of circuit, also can easily whether realize desirable setting take as really the industry.
Because storage medium 400 can be stored different a plurality of setting datas, so need not to take PC 300 to scene.Because storage medium 400 can be obtained the current setting data of energy measurement unit main body 100 (in Fig. 3 until 104); And transmit it to PC 300; Even, also can easily on PC 300, carry out the management of setting data so changed at the scene under the situation of setting data.
In addition, in this embodiment, recording and displaying unit main body and energy measurement unit form independently, even but in the energy measurement unit main body, be built-in with recording and displaying unit, also can realize the effect identical with this embodiment.
Below, utilize Fig. 8 that embodiment 2 of the present invention is described.Fig. 8 is the overall diagram of the setting replicate run that realizes with recording and displaying unit via the energy measurement unit in the embodiment 2 of the present invention; Fig. 9 is the process flow diagram of an expression one of which example; It representes following operation; Promptly; For example under the situation that energy measurement unit main body 106 is not set as yet, the setting data of energy measurement unit main body 105 is preserved in storage medium with recording and displaying unit 205 through the energy measurement unit, setting data is duplicated to energy measurement unit main body 106 with recording and displaying unit 206 through the energy measurement unit in the 105 setting completion of energy measurement unit main body.
In the process flow diagram of the Fig. 9 that representes setting operation, at first, storage medium is inserted (S201) to recording and displaying unit 205.Then, utilize the setting key 8b in the operating portion 8, recording and displaying unit 205 is switched to setting pattern (S202) from measurement pattern.
In the setting pattern, at first select setting value to write out menu (S203).Through pressing the key 8e that advances, back spacer 8f, switch option on the LCD 5b in display part 5, under the state of having selected setting to write out, confirm key 8c through pressing, and show that writing out the goal-setting file selects picture (Figure 10).
Current, in LCD 5b, demonstrate the numeral that the goal-setting file is write out in expression, write out in change under the situation of goal-setting file, press add key 8g or Substract key 8h at every turn, the sequence number that then will write out the goal-setting file is switched.Select the desired goal-setting file that writes out, confirm key 8c make decision (S204) through pressing.
Finish if write out the appointment of goal-setting file, then the energy measurement unit carries out write out (S205) of setting value to storage medium with recording and displaying unit 205.The setting data of each circuit of being preserved in the setting content storage part 9 (Fig. 1) with energy measurement unit main body 105; Via display unit control part 7 (Fig. 1); Utilize storage medium control part 10 (Fig. 1) to be writen in the enactment document of setting with the expectation in the storage medium end setup pattern.
After the setting pattern finishes, jump to affirmation mode automatically, the setting value (S206) of the phase line form that demonstration is write out to storage medium on LCD 5b, primary voltage, primary current.The circuit of confirming is being made under the situation of change, pressing circuit switch key 8a at every turn, then the circuit sequence number is being switched (S207).Show that with selected circuit corresponding electrical circuits LED 5a lights a lamp, on LCD 5b, show the setting content of this circuit.
Under the state of affirmation mode,, finish affirmation mode (S208) through the setting key 8b in the push portion 8.After affirmation mode finishes, storage medium is taken out (S209) from the energy measurement unit with recording and displaying unit 205.
Via recording and displaying unit 206, read in setting data from the storage medium of the setting content of preserving copy source, and preserve the process of setting to the energy measurement unit main body 106 that target is duplicated in conduct, can be to realize with embodiment 1 identical step.
According to this embodiment, can the setting data of in energy measurement unit main body 105, setting easily be duplicated setting to other energy measurement unit main body, can realize setting laborsavingization of operation.In addition; Through with the setting data of copy source when storage medium is preserved and by reading in as the terminal of duplicating target when having carried out setting; Phase line form, primary voltage, the primary current of automatic display setting data, thus can prevent to duplicate the setting mistake.
Claims (5)
1. an energy measurement unit is characterized in that,
Have: measure operational part, it carries out computing according to electric current and voltage from the circuit input to various measured values; Display part, it shows measured value and the setting content that is calculated by this measurement operational part; The display unit control part, its various settings, displaying contents to the demonstration of the measurement computing that is used for said measurement operational part and said display part carries out switching controls; Operating portion, it carries out the blocked operation of this display unit control part; The setting content storage part, the selectable setting value of its each setting item of storage; Recording portion, it preserves the measured value that is calculated by said measurement operational part via said display unit control part; And the storage medium control part, it reads setting data from storage medium, writes record data and setting data to storage medium,
After utilizing said storage medium control part to read setting data, in said display part, show the setting data of phase line form, primary voltage, primary current at least.
2. energy measurement according to claim 1 unit is characterized in that,
The demonstration of the said setting data that after reading said setting data, carries out in the said display part is carried out by said display unit control part automatically.
3. energy measurement according to claim 1 unit is characterized in that,
In the setting data of reading by said storage medium control part, the data of circuit name are preserved as the filename of log file.
4. energy measurement according to claim 1 unit is characterized in that,
Utilize said storage medium control part with setting data after storage medium writes out, in said display part, show the setting data of phase line form, primary voltage, primary current at least.
5. energy measurement according to claim 4 unit is characterized in that,
The demonstration of the said setting data that after writing out said setting data, carries out in the said display part is carried out by said display unit control part automatically.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011117884A JP5687134B2 (en) | 2011-05-26 | 2011-05-26 | Energy measurement unit |
| JP2011-117884 | 2011-05-26 |
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| Publication Number | Publication Date |
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| CN102798744A true CN102798744A (en) | 2012-11-28 |
| CN102798744B CN102798744B (en) | 2015-04-15 |
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| CN201210024993.7A Active CN102798744B (en) | 2011-05-26 | 2012-02-06 | Energy measuring unit |
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| JP (1) | JP5687134B2 (en) |
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| JP2599566Y2 (en) * | 1993-02-03 | 1999-09-13 | 日新電機株式会社 | Power measurement system |
| JP2990025B2 (en) * | 1994-10-24 | 1999-12-13 | 大崎電気工業株式会社 | Electronic watt-hour meter |
| US5661658A (en) * | 1996-02-28 | 1997-08-26 | Eaton Corporation | Electrical system monitoring apparatus with programmable custom display |
| JP4202460B2 (en) * | 1998-03-26 | 2008-12-24 | 日置電機株式会社 | Watt meter |
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| JP2007249613A (en) * | 2006-03-16 | 2007-09-27 | Rigaku Corp | Thermal analysis measurement system, and method of automatically setting measurement data file name |
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| US20040041573A1 (en) * | 2000-06-21 | 2004-03-04 | Torsten Klemm | Method and circuit for measuring a voltage or a temperature and for generating a voltage with any predeterminable temperature dependence |
| CN1641363A (en) * | 2004-01-14 | 2005-07-20 | 财团法人工业技术研究院 | General power quantity detecting chip and its detecting method |
| CN101351713A (en) * | 2005-11-03 | 2009-01-21 | 特克特朗尼克公司 | Detection of time-frequency codes using a spectrogram |
| CN101639494A (en) * | 2008-07-29 | 2010-02-03 | 三菱电机株式会社 | Electronic indicator |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP5687134B2 (en) | 2015-03-18 |
| JP2012247245A (en) | 2012-12-13 |
| CN102798744B (en) | 2015-04-15 |
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