CN101949976A - Method and device for measuring electrical degrees - Google Patents
Method and device for measuring electrical degrees Download PDFInfo
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- CN101949976A CN101949976A CN 201010281623 CN201010281623A CN101949976A CN 101949976 A CN101949976 A CN 101949976A CN 201010281623 CN201010281623 CN 201010281623 CN 201010281623 A CN201010281623 A CN 201010281623A CN 101949976 A CN101949976 A CN 101949976A
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Abstract
The embodiment of the invention discloses a method and a device for measuring electrical degrees, which relate to the field of electrical degree measurement, and are used for realizing electrical degree measurement. The method for measuring electrical degrees comprises the following steps: reading the elapsed time t1 of a first timer; judging whether the elapsed time t1 is greater than a preset time interval delta T1, if so, reading a real-time power; calculating the total electrical degrees by using the real-time power; reading the elapsed time t2 of a second timer; and judging whether the elapsed time t2 is greater than a preset time interval delta T2, if so, writing the total electrical degrees into a EEPROM (electrically erasable programmable read only memory) for storage. The embodiment of the invention can realize electrical degree measurement, and realize other functions such as judging the elapsed times of the timers and writing the total electrical degrees into the EEPROM for storage, thereby enriching the other functions except electrical degree measurement.
Description
Technical field
The present invention relates to the electric degree fields of measurement, relate in particular to a kind of measurement electric degree method and device.
Background technology
Present electron watt-hour meter is generally measured electric degree by proprietary electric degree chip or electronic circuit.Wherein, the principle of measuring electric degree by proprietary electric degree chip or electronic circuit is: voltage signal is become the small-signal that can be used for electronic surveying with divider resistance or voltage transformer (VT), current signal is become the small-signal that can be used for electronic surveying with shunt or current transformer, utilize proprietary electric degree chip or the electronic circuit voltage signal that conversion is good, current signal to carry out the analog or digital multiplication, and electric degree added up the pulse signal that is directly proportional with electric degree of output frequency then; Pulse signal drives step motor and drives mechanical register demonstration.
The inventor finds in practice, present electron watt-hour meter is measured electric degree by proprietary electric degree chip or electronic circuit, and the function that only has the measurement electric degree of proprietary electric degree chip or electronic circuit, cause this electron watt-hour meter generally to have only the electric degree of measurement function, do not have other functions.
Summary of the invention
A kind of measurement electric degree method and device are provided in the embodiment of the invention, have been used for realizing measuring electric degree.
A kind of measurement electric degree method comprises:
Read the timing time t1 of first timer;
Judge that whether described timing time t1 is greater than default time interval Δ T1, if then read realtime power;
The realtime power that utilization is read calculates total electric degree;
Read the timing time t2 of second timer;
Whether judge described timing time t2 greater than default time interval Δ T2, if then described total electric degree is write EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM storage.
Wherein, the realtime power that reads of described utilization calculates total electric degree and comprises:
Utilize the electric degree that formula Δ Ep=P*3600/2 calculates to be increased in the described timing time t1, wherein, described Δ Ep represents that the electric degree that increases in the described timing time t1, P represent the realtime power that reads;
Utilize formula Ep+=Δ Ep to calculate total electric degree, described Ep is total electric degree.
Alternatively, described method also comprises:
After reading realtime power, with the described first timer zero clearing.
Alternatively, described method also comprises:
After described total electric degree being write EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM storage, with the described second timer zero clearing.
Alternatively, described method also comprises:
After the realtime power that utilization is read calculates total electric degree, described total electric degree output LCD LCD is shown.
A kind of measurement electric degree device is characterized in that, comprising:
First read module is used to read the timing time t1 of first timer;
First judge module is used to judge that whether described timing time t1 is greater than default time interval Δ T1;
Computing module is used in the judged result of described first judge module reading realtime power, and utilizing the realtime power that reads to calculate total electric degree when being;
Second read module is used to read the timing time t2 of second timer;
Second judge module is used to judge that whether described timing time t2 is greater than default time interval Δ T2;
Writing module is used in the judged result of described second judge module described total electric degree being write EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM storage when being;
Described EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM is used to store total electric degree that the said write module writes.
Wherein, described computing module comprises:
First calculating sub module is used to utilize the electric degree that formula Δ Ep=P*3600/2 calculates to be increased in the described timing time t1, and wherein, described Δ Ep represents that the electric degree that increases in the described timing time t1, P represent the realtime power that reads;
Second calculating sub module is used to utilize formula Ep+=Δ Ep to calculate total electric degree, and described Ep is total electric degree.
Alternatively, described device also comprises:
First removes module, is used for after described computing module reads realtime power, with the described first timer zero clearing.
Alternatively, described device also comprises:
Second removes module, is used for after the said write module writes described total electric degree EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM storage, with the described second timer zero clearing.
Alternatively, described device also comprises:
LCD LCD is used to the total electric degree that shows that described computing module calculates.
Compared with prior art, the embodiment of the invention has following beneficial effect:
In the embodiment of the invention,, and utilize the realtime power that reads to calculate total electric degree if the timing time t1 of first timer then reads realtime power greater than default time interval Δ T1; If the timing time t2 of second timer is greater than default time interval Δ T2, total electric degree that then will calculate writes EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM storage.The embodiment of the invention can realize measuring electric degree, can also realize comprising the timing time of judging timer, total electric degree is write EEPROM other functions in being stored in, and has enriched other functions of removing the measurement electric degree.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, to do to introduce simply to the accompanying drawing of required use among the embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
A kind of process flow diagram of measuring electric degree method of Fig. 1 for providing in the embodiment of the invention;
A kind of structural drawing of measuring electric degree device of Fig. 2 for providing in the embodiment of the invention;
Fig. 3 is provided for the another kind that provides in the embodiment of the invention by the structural drawing of electric degree device.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Embodiment one:
See also Fig. 1, a kind of process flow diagram of measuring electric degree method of Fig. 1 for providing in the embodiment of the invention.As shown in Figure 1, this measurement electric degree method can may further comprise the steps:
101, read the timing time t1 of first timer;
The measurement electric degree method that provides in the present embodiment can be carried out on the measurement mechanism based on the digital signal processing function.Correspondingly, this measurement mechanism timing time t1 that can from first timer, read.
102, judge that whether timing time t1 is greater than default time interval Δ T1, if then execution in step 103; If not, then return step 101;
Wherein, if measurement mechanism is judged timing time t1 greater than default time interval Δ T1, then continue to carry out subsequent step; Otherwise, if judging timing time t1, measurement mechanism is less than or equal to default time interval Δ T1, then return step 101, continue to read the timing time t of first timer.
103, read realtime power;
In the present embodiment, the realtime power that measurement mechanism reads can comprise the real-time active power of three-phase alternating current, real-time reactive power or the like.
104, utilize the realtime power that reads to calculate total electric degree;
Wherein, measurement mechanism can utilize the realtime power that reads to calculate total electric degree, when the realtime power that reads is real-time active power, then calculates total electric degree of real-time active power; When the realtime power that reads is real-time reactive power, then calculate total electric degree of real-time reactive power.
For example, the realtime power that measurement mechanism reads (active power or reactive power in real time in real time) is P, then utilizes following formula (1) can calculate the electric degree that increases in timing time t1:
ΔEp＝P*3600/2 (1)
Wherein, Δ Ep represents that the electric degree that increases in the timing time t1, P represent the realtime power that reads, and * represents to do product.
Then, utilize formula (2) to calculate total electric degree again:
Ep+＝ΔEp (2)
Wherein, Ep represents total electric degree.
105, read the timing time t2 of second timer;
Wherein, measurement mechanism after calculating total electric degree, the timing time t2 that can from second timer, read.
106, judge that whether timing time t2 is greater than default time interval Δ T2, if then execution in step 107; If not, then return step 101, continue to read the timing time t of first timer.
107, total electric degree that will calculate writes EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM storage.
Alternatively, the measurement electric degree method that the embodiment of the invention provides is after reading realtime power, and measurement mechanism can be with the first timer zero clearing.
Alternatively, the measurement electric degree method that the embodiment of the invention provides after total electric degree that will calculate writes EEPROM storage,, measurement mechanism can be with the second timer zero clearing.
Alternatively, the measurement electric degree method that the embodiment of the invention provides is after the realtime power that utilization is read calculates total electric degree, and measurement mechanism can be with total electric degree output LCD (Liquid CrystalDisplay, LCD) demonstration of calculating.Compare with the demonstration of existing mechanical register, adopt LCD to show and to make things convenient for the user intuitively, accurately to learn the electric degree value.
In the embodiment of the invention,, and utilize the realtime power that reads to calculate total electric degree if the timing time t1 of first timer then reads realtime power greater than default time interval Δ T1; If the timing time t2 of second timer is greater than default time interval Δ T2, total electric degree that then will calculate writes EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM storage.The embodiment of the invention can realize measuring electric degree, can also reality comprises the timing time of judging timer, total electric degree is write EEPROM other functions in being stored in, and has enriched other functions of removing the measurement electric degree.
Embodiment two:
See also Fig. 2, a kind of structural drawing of measuring electric degree device of Fig. 2 for providing in the embodiment of the invention.As shown in Figure 2, this measurement electric degree device can comprise:
First read module 201 is used to read the timing time t1 of first timer;
Second read module 204 is used to read the timing time t2 of second timer;
Second judge module 205 is used to judge that whether timing time t2 is greater than default time interval Δ T2;
EEPROM (Electrically Erasable Programmable Read Only Memo) 207 is used to store total electric degree that writing module 206 writes.
In the measurement electric degree device that the embodiment of the invention provides, if first judge module 202 is judged the timing time t1 of first timer greater than default time interval Δ T1, then computing module 203 reads realtime power, and utilizes the realtime power that reads to calculate total electric degree; If second read module 204 is judged the timing time t2 of second timer greater than default time interval Δ T2, then writing module 206 total electric degree that will calculate writes EEPROM (Electrically Erasable Programmable Read Only Memo) 207 and stores.The embodiment of the invention can realize measuring electric degree, can also reality comprises the timing time of judging timer, total electric degree is write EEPROM other functions in being stored in, and has enriched other functions of removing the measurement electric degree.
Embodiment three:
See also Fig. 3, Fig. 3 is provided for the another kind that provides in the embodiment of the invention by the structural drawing of electric degree device.Measurement electric degree device shown in Figure 3 is measurement electric degree device shown in Figure 2 to be carried out refinement obtain, and in measurement electric degree device shown in Figure 3, computing module 203 can comprise:
First calculating sub module 2031 is used to utilize the electric degree that formula Δ Ep=P*3600/2 calculates to be increased in the timing time t1, and wherein, Δ Ep represents that the electric degree that increases in the timing time t1, P represent the realtime power that reads, and * represents to do product;
Second calculating sub module 2032 is used to utilize formula Ep+=Δ Ep to calculate total electric degree, and wherein, Ep is total electric degree.
As shown in Figure 3, the measurement electric degree device that provides of the embodiment of the invention can also comprise:
First removes module 208, is used for after computing module 203 reads realtime power, with the first timer zero clearing.
As shown in Figure 3, the measurement electric degree device that provides of the embodiment of the invention can also comprise:
Second removes module 209, is used for after total electric degree that writing module 206 will calculate writes EEPROM (Electrically Erasable Programmable Read Only Memo) 207 storages, with the second timer zero clearing.
As shown in Figure 3, the measurement electric degree device that provides of the embodiment of the invention can also comprise:
LCD 210 is used to the total electric degree that shows that computing module 203 calculates.
In the measurement electric degree device that the embodiment of the invention provides, if first judge module 202 is judged the timing time t1 of first timer greater than default time interval Δ T1, then computing module 203 reads realtime power, and utilizes the realtime power that reads to calculate total electric degree; If second read module 204 is judged the timing time t2 of second timer greater than default time interval Δ T2, then writing module 206 total electric degree that will calculate writes EEPROM (Electrically Erasable Programmable Read Only Memo) 207 and stores.The embodiment of the invention can realize measuring electric degree, can also reality comprises the timing time of judging timer, total electric degree is write other functions of EEPROM storage and liquid crystal display displays, has enriched other functions of removing the measurement electric degree.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of programmed instruction, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
More than a kind of measurement electric degree method and device that the embodiment of the invention provided are described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. measure the electric degree method for one kind, it is characterized in that, comprising:
Read the timing time t1 of first timer;
Judge that whether described timing time t1 is greater than default time interval Δ T1, if then read realtime power;
The realtime power that utilization is read calculates total electric degree;
Read the timing time t2 of second timer;
Whether judge described timing time t2 greater than default time interval Δ T2, if then described total electric degree is write EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM storage.
2. method according to claim 1 is characterized in that, the realtime power that described utilization is read calculates total electric degree and comprises:
Utilize the electric degree that formula Δ Ep=P*3600/2 calculates to be increased in the described timing time t1, wherein, described Δ Ep represents that the electric degree that increases in the described timing time t1, P represent the realtime power that reads;
Utilize formula Ep+=Δ Ep to calculate total electric degree, described Ep represents total electric degree.
3. method according to claim 2 is characterized in that, described method also comprises:
After reading realtime power, with the described first timer zero clearing.
4. method according to claim 3 is characterized in that, described method also comprises:
After described total electric degree being write EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM storage, with the described second timer zero clearing.
5. according to each described method of claim 1 to 4, it is characterized in that described method also comprises:
After the realtime power that utilization is read calculates total electric degree, described total electric degree output LCD LCD is shown.
6. measure the electric degree device for one kind, it is characterized in that, comprising:
First read module is used to read the timing time t1 of first timer;
First judge module is used to judge that whether described timing time t1 is greater than default time interval Δ T1;
Computing module is used in the judged result of described first judge module reading realtime power, and utilizing the realtime power that reads to calculate total electric degree when being;
Second read module is used to read the timing time t2 of second timer;
Second judge module is used to judge that whether described timing time t2 is greater than default time interval Δ T2;
Writing module is used in the judged result of described second judge module described total electric degree being write EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM storage when being;
Described EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM is used to store total electric degree that the said write module writes.
7. device according to claim 6 is characterized in that, described computing module comprises:
First calculating sub module is used to utilize the electric degree that formula Δ Ep=P*3600/2 calculates to be increased in the described timing time t1, and wherein, described Δ Ep represents that the electric degree that increases in the described timing time t1, P represent the realtime power that reads;
Second calculating sub module is used to utilize formula Ep+=Δ Ep to calculate total electric degree, and described Ep is total electric degree.
8. device according to claim 6 is characterized in that, described device also comprises:
First removes module, is used for after described computing module reads realtime power, with the described first timer zero clearing.
9. device according to claim 8 is characterized in that, described device also comprises:
Second removes module, is used for after the said write module writes described total electric degree EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM storage, with the described second timer zero clearing.
10. according to each described device of claim 6 to 8, it is characterized in that described device also comprises:
LCD LCD is used to the total electric degree that shows that described computing module calculates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102816232A CN101949976B (en) | 2010-09-13 | 2010-09-13 | Method and device for measuring electrical degrees |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102816232A CN101949976B (en) | 2010-09-13 | 2010-09-13 | Method and device for measuring electrical degrees |
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| Publication Number | Publication Date |
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| CN101949976A true CN101949976A (en) | 2011-01-19 |
| CN101949976B CN101949976B (en) | 2012-07-11 |
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| CN2010102816232A Expired - Fee Related CN101949976B (en) | 2010-09-13 | 2010-09-13 | Method and device for measuring electrical degrees |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1051428A (en) * | 1990-05-17 | 1991-05-15 | 宋寿椿 | Electronic digital type peak valley watt-hour meter |
| CN1119278A (en) * | 1993-12-27 | 1996-03-27 | 江门市郊区艺华实业发展总公司 | Magnetic card type watt-hour meter |
| US5737231A (en) * | 1993-11-30 | 1998-04-07 | Square D Company | Metering unit with enhanced DMA transfer |
| JP2006170935A (en) * | 2004-12-20 | 2006-06-29 | Toshiba Corp | Electronic type watt-hour meter |
| JP2009222432A (en) * | 2008-03-13 | 2009-10-01 | Toshiba Corp | Watt-hour meter |
-
2010
- 2010-09-13 CN CN2010102816232A patent/CN101949976B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1051428A (en) * | 1990-05-17 | 1991-05-15 | 宋寿椿 | Electronic digital type peak valley watt-hour meter |
| US5737231A (en) * | 1993-11-30 | 1998-04-07 | Square D Company | Metering unit with enhanced DMA transfer |
| CN1119278A (en) * | 1993-12-27 | 1996-03-27 | 江门市郊区艺华实业发展总公司 | Magnetic card type watt-hour meter |
| JP2006170935A (en) * | 2004-12-20 | 2006-06-29 | Toshiba Corp | Electronic type watt-hour meter |
| JP2009222432A (en) * | 2008-03-13 | 2009-10-01 | Toshiba Corp | Watt-hour meter |
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| CN101949976B (en) | 2012-07-11 |
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Address after: 518057 Nanshan District high tech Industrial Village, Guangdong, R2,, B5 Patentee after: Farad Electric Co., Ltd. Address before: 518057 Nanshan District high tech Industrial Village, Guangdong, R2,, B5 Patentee before: Shenzhen Hualite Electric Appliances Co., Ltd. |
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Granted publication date: 20120711 Termination date: 20200913 |
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