CN100523831C - Electronic controlled electro endosmosis - Google Patents

Electronic controlled electro endosmosis Download PDF

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Publication number
CN100523831C
CN100523831C CNB2006100710415A CN200610071041A CN100523831C CN 100523831 C CN100523831 C CN 100523831C CN B2006100710415 A CNB2006100710415 A CN B2006100710415A CN 200610071041 A CN200610071041 A CN 200610071041A CN 100523831 C CN100523831 C CN 100523831C
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CN
China
Prior art keywords
unit
electronic controlled
controlled electro
electric power
endosmosis
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Expired - Fee Related
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CNB2006100710415A
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Chinese (zh)
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CN1841073A (en
Inventor
丸山桂
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Toshiba Toko Meter Systems Co Ltd
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Toshiba Corp
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Publication of CN100523831C publication Critical patent/CN100523831C/en
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Abstract

Disclosed is an electronic watthour meter capable of detecting unauthorized use upon occurrence. The electronic watthour meter is equipped with a voltage detecting means detecting voltage of a system to be measured, current detecting means and detecting current of the system to be measured, and a power arithmetic means measuring power consumption of the system to be measured at a power multiplying section from the detected signals of the voltage detecting means and the current detecting means, and a controller discriminates the case, where the detected signals of the current detecting means are not zero when the detected signal of the voltage detecting means 2c is substantially zero, to be unusual.

Description

Electronic controlled electro endosmosis
Technical field
The present invention relates to be used to measure the electronic controlled electro endosmosis (electric power meter) of the amount of electrical power that a measurement target system consumed.
Background technology
Now, it is more and more general to be used for measuring the electronic controlled electro endosmosis of electric power data of amount of electrical power of consuming such as family, factory or office etc.This electronic controlled electro endosmosis has electric power and calculates the unit, is used to measure and calculate the electric power of measurement target system; Control module is used for that electric power is calculated the result of calculation of calculating the unit and compiles electric power data such as amount of electrical power that is consumed or maximum consumption electric power etc.; And display unit, be used to show electric power data by described control module editor.
Similarly, the known method that is used for storage of measurement data comprises the ammeter check system, be used for providing RF label and manually will be (for example such as the necessary data input RF label of measurement data etc. by equipment such as handheld terminals in the measurement mechanism outside, referring to Japanese Patent Application Publication No.2003-323686), and measurement mechanism and measuring system, being used for will be such as the necessary data storage of measurement data etc. at the inner or outside RF label (for example, referring to Japanese Patent Application Publication No.2001-147144) that provides of measurement mechanism.
Similarly, known being used for stops the electric power meter of illegal use to comprise a kind of like this electric power meter by the input of cutting off voltage one side, it is characterized in that, this electric power meter provides the terminal box (for example, referring to Japanese Patent Application Publication No.2001-74780) with the voltage short circuit sheet (voltage shortening piece) that is difficult to remove.
Yet, in common electronic controlled electro endosmosis, do not provide the method for detection person's illegal operating position.Electronic controlled electro endosmosis calculates amount of electrical power by detecting voltage and current, so just can see minimizing or is zero from the angle of electronic controlled electro endosmosis by not providing voltage to make electric power calculate the result.Owing to the measured amount of electronic controlled electro endosmosis is reduced or be zero and need not block electric consumer's electric power is supplied with, therefore, occurred in recent years manyly offering the phenomenon that the voltage of the voltage detection unit of electronic controlled electro endosmosis illegally uses by cut-out.Correspondingly, because electric power meter is used to the electricity charge transaction of electricity consumer, therefore just need avoid or detect illegal use.
Summary of the invention
The object of the present invention is to provide and a kind ofly can detect the electronic controlled electro endosmosis of the illegal use of electric power as mentioned above.
According to an aspect of the present invention, provide a kind of electronic controlled electro endosmosis, comprising: voltage detection unit is arranged to the voltage that detects the measurement target system; Current detecting unit is arranged to the electric current that detects the measurement target system; Electric power is calculated the unit, is arranged to by the detection signal of voltage detection unit and the detection signal of current detecting unit are multiplied each other, and obtains the amount of electrical power that the measurement target system is consumed; And abnormal deciding means, be arranged to when current detecting unit and detect electric current and voltage detection unit when not detecting voltage, judge occurred unusual.
Other features and advantages of the present invention will become clearer by the specific descriptions of hereinafter carrying out in conjunction with the accompanying drawings.
Description of drawings
Fig. 1 is the block scheme that illustrates according to the inner structure of the electronic controlled electro endosmosis of first embodiment of the invention.
Fig. 2 is the block scheme that is illustrated in the inner structure of the radio transmitting/reception memorizer device that uses in the electronic controlled electro endosmosis shown in Figure 1.
Fig. 3 is the block scheme that illustrates according to the inner structure of the electronic controlled electro endosmosis of second embodiment of the invention.
Fig. 4 is the block scheme that is illustrated in the inner structure of the storage arrangement that uses in the electronic controlled electro endosmosis shown in Figure 3.
Embodiment
With reference now to Fig. 1 and Fig. 2, specifically describe first embodiment according to electronic controlled electro endosmosis of the present invention.
Fig. 1 shows the inner structure according to the electronic controlled electro endosmosis of present embodiment.
In electronic controlled electro endosmosis shown in Figure 1, the terminal box 1 that connects line of electric force and electronic controlled electro endosmosis main body is provided, this terminal box 1 has at terminal 1S, 2S on power supply one side and 3S and terminal 1L, 2L and 3L on load one side.Should be noted that in the present embodiment electronic controlled electro endosmosis is suitably for single-phase three-wire type electric power meter.
Electric power is calculated unit 2 and is calculated the amount of electrical power that is consumed, and it has current detecting unit 2a, is used to detect the electric current (1 limit electric current) between 1S and the 1L; Current detecting unit 2b is used to detect the electric current (3 limit electric current) between 3S and the 3L; Voltage detection unit 2c is used to detect voltage (1 polygonal voltage) between 1S and the 2S and the voltage (3 polygonal voltage) between 3S and the 2S; And electric power multiplication unit 2d, be used for 1 limit electric current and 1 polygonal voltage multiplies each other and 3 limit electric currents and 3 polygonal voltages are multiplied each other.
Control module 3 comprises microcomputer or similar device, is used for the result of calculation of described electric power calculating unit 2 is compiled as the electric power data, and controls the storage and the demonstration of described electric power data.Should be noted that the data that are meant the electric power that relevant electric consumer consumes in these electric power data, for example the amount of electrical power that consumed of measurement target system, maximum consumption electric power or the like.
Isolating switch 4 is judged under the unusual situation at control module 3, for example at the illegal situation incision outage stream that uses, and it has the first isolating switch 4a, is used to cut off the electric current (1 limit electric current) between 1S and the 1L, and the second isolating switch 4b, be used to cut off the electric current (3 limit electric current) between 3S and the 3L.The rupturing operation of isolating switch 4 is controlled by control module 3.
Display device 5 comprises LCD or similar device, is used for judging under the unusual situation at control module 3, and for example display abnormality information under illegal situation about using perhaps is used to show the electric power data of being calculated by control module 3.
Communication unit 6 comprises the interface circuit such as current return etc., and be connected to telephone wire or network by the external transmission control device, be used for judging under the unusual situation, for example under illegal situation about using, send abnormal information, perhaps send the electric power data that obtain by control module 3 to the external world.
Wireless radio transmission unit 7 is provided, be used for judging under the unusual situation, for example under illegal situation about using, the radio transmitting/reception type storage arrangement 8 of form to the electronic controlled electro endosmosis outside that appends to present embodiment with radio signal sends abnormal information, perhaps sends the electric power data that obtained by control module 3.The transmission operation of wireless radio transmission unit 7 is controlled by control module 3.
Radio transmitting/reception type storage arrangement 8 comprises can be by the nonvolatile semiconductor memory that uses radio signal to read or write, for example so-called RF label or IC tag are used to store abnormal information or the electric power data that sent by wireless radio transmission unit 7.Described radio transmitting/reception type storage arrangement 8 is bonded on the shell surface as the electric power measurement unit 10A of the main body of electronic controlled electro endosmosis.
At this, described radio transmitting/reception type storage arrangement 8 can have inner structure for example shown in Figure 2, it has and is used to the antenna 201 that sends or receive radio signals, be used for transmission/receiving element 202 of sending or receive radio signals by antenna 201, and the memory cell 203 that forms by the nonvolatile memory of for example ferroelectric memory (F-RAM) etc., the function that it has abnormal information that storage receives by transmission/receiving element 202 or electric power data and obtains data such as date and electric consumer ID numbering such as past data, and have read stored such as the function of data such as abnormal information or electric power data to send by transmission/receiving element 202.
Next, the operation of the electronic controlled electro endosmosis of present embodiment will be described in detail.
Electric power calculating unit 2 calculates by the amount of electrical power that the electric consumer consumed and with result of calculation and is notified to control module 3.The electric power data of the amount of electrical power that control module 3 converts result of calculation for example to be consumed, the described data of storage and with this data presentation on display device 5.
At this,, so just can reduce the electricity charge if the electric consumer can make the measured amount of electric power meter reduce or be zero.For this reason, disconnect the phenomenon of illegally using in 1S one side or 3S one side or at both sides and 1S terminal and 3S terminal just having occurred many signal wires by will being connected to voltage detection unit 2c in recent years.In this case, electric current line between 1S and the 1L and the electric current line between 3S and the 3L also keep connecting, and therefore still can carry out power supply to load one side, but the measured amount of electric power meter is reduced or are zero.For instance, only cutting off under the voltage condition in 1S one side or 3S one side, measured amount will become only about half of.And when cutting off under the voltage condition in 1S one side and 3S one side, measured amount will be zero.
Yet in the electronic controlled electro endosmosis of present embodiment, even if under the situation of having carried out such illegal operation, illegal operation also can be detected in the following way.That is, when current detecting unit 2a and 2b detect 1 limit electric current and 3 limit electric currents respectively as the result of working load, and voltage detection unit 2c to detect the voltage of 1S terminal one side and 3S terminal one side be 0 o'clock, just show to have illegal the use.For this reason, when current detecting unit 2a detects electric current and the voltage of 1S one side when being 0 effectively, perhaps detect electric current and the voltage of 3S one side when being 0 effectively as current detecting unit 2b, control module 3 is judged and is had illegal operation.
Then, judging the control module 3 that has illegal operation will represent to exist the abnormal information of illegal operation to store in radio transmitting/reception type storage arrangement 8 by wireless radio transmission unit 7.In addition, control module 3 also stores in radio transmitting/reception type storage arrangement 8 by the measurement data of wireless radio transmission unit 7 with electronic controlled electro endosmosis.
Like this, for example, when the ammeter overlooker once collected measured value in every month, the ammeter overlooker takes off the radio transmitting/reception type storage arrangement 8 of RF label form and it is taken back office, in office, read measured value and check whether there is illegal operation, so just can avoid illegal electricity charge transaction.Should be noted that to come when checking ammeter, to obtain measured value and abnormal information by a bonding RF label that does not write any data when taking off the RF label next time.
Equally, judging the control module 3 that has illegal operation also can exist expression the abnormal information of illegal operation to be presented on the display device 5.
Judging the control module 3 that has illegal operation can also for example will represent to exist the abnormal information of illegal operation to send to the central apparatus that is positioned at office via communication unit 6 by using telephone wire and e-mail.
In addition, judge the control module 3 that has illegal operation and can also send the cut-out order, stop to carry out power supply so that isolating switch 4a and 4b cut off the electric current line, thereby avoid illegal operation to load to isolating switch 4a and 4b.
As mentioned above,, can provide a kind of when having illegal the use, can detect unusually, as the abnormal information storage, send or show this fact, and stop to carry out the electronic controlled electro endosmosis of power supply to load according to present embodiment.
Describe second embodiment in detail below with reference to Fig. 3 and Fig. 4 according to electronic controlled electro endosmosis of the present invention.
Fig. 3 shows the inner structure according to the electronic controlled electro endosmosis of present embodiment.
Difference between the electric power meter of the electronic controlled electro endosmosis shown in Figure 3 and first embodiment is, be different from and pass through wireless radio transmission unit 7 among first embodiment abnormal information and the externally additional radio transmitting/reception type storage arrangement 8 of electric power data storage, present embodiment provides storage arrangement 9 in the inside as the electric power measurement unit 10B of the main body of electronic controlled electro endosmosis, and with these data storage in storage arrangement 9.Described storage arrangement 9 has radio transmission function and inner structure as shown in Figure 4.Storage arrangement 9 comprises the nonvolatile semiconductor memory that can read or write by radio signal, for example so-called RF label or IC tag, its storage and read operation are controlled by the control module 3 that is electrically connected, but data also can read by using the radio signal that enters from the electronic controlled electro endosmosis outside.
Storage arrangement 9 has inner structure as shown in Figure 4, it has for example antenna 401, be used for sending or receiving radio signals from for example having external units such as handheld terminal that radio signal produces function, and transmission/receiving element 402, be used for obtaining data storage such as date and electric consumer ID numbering such as past data to memory cell 403, and be used for and be stored in sending of memory cell 403 such as the form of electric power data such as the amount of electrical power that is consumed, maximum consumption electric power with radio signal with what antenna 401 received.
Memory cell 403 comprises for example nonvolatile memory of ferroelectric memory (F-RAM) etc., it has storage and uses the function of obtaining data such as date and electric consumer ID numbering such as past data of radio signal setting by antenna 401 and transmission/receiving element 402, and stores the function of being imported by the control module 3 of the main body of electronic controlled electro endosmosis such as by control circuit 404 such as data such as electric power data.Control circuit 404 controls send and receive for the electronics of outside, to read or to write data by being electrically connected to control module 3 via bus or similar facilities.
Judge the control module 3 that has illegal operation with abnormal information and electric power data storage in storage arrangement 9.By reading abnormal information and the electric power data that are stored in the storage arrangement 9 by handheld terminal with radio transmitting and receiving function or similar device, and check whether there is illegal operation, so just can avoid the illegal electricity charge to conclude the business.
On the other hand, carry out radio transmitting and reception generally, needing very big electric power to carry out radio transmitting and reception.But, under the situation of the illegal operation that the cut-out pressure-wire takes place, can not expect by using external power source to operate electronic controlled electro endosmosis, therefore must operate electronic controlled electro endosmosis as power supply by using similar devices such as internal backup battery.Carrying out radio transmitting and reception generally, owing to need power consumption, therefore similar device such as jumbo reserve battery is necessary, but the storage arrangement of present embodiment 9 can be operated as power supply from the radio signal of outside by using, and do not need similar devices such as reserve battery, so just can provide compact power supply for electronic controlled electro endosmosis fully.
As mentioned above, according to present embodiment, can provide compact power supply for electronic controlled electro endosmosis, it is unusual that it can be detected when having illegal the use, as the abnormal information storage, send or show this fact, and stops to carry out power supply to load.
Like this,, illegal use can be on electronic controlled electro endosmosis, detected, thereby illegal electricity charge transaction can be avoided according to the present invention.
Should be noted that except embodiment already mentioned above, under the situation that does not deviate from novelty of the present invention and useful feature, can carry out various modifications and variations the foregoing description.Correspondingly, these modifications and variations are included within the scope of subsidiary claims.

Claims (6)

1. an electronic controlled electro endosmosis comprises
Voltage detection unit is arranged to the voltage that detects the measurement target system;
Current detecting unit is arranged to the electric current that detects the measurement target system;
Electric power is calculated the unit, is arranged to by the detection signal of voltage detection unit and the detection signal of current detecting unit are multiplied each other, and obtains the amount of electrical power that the measurement target system is consumed; And
Abnormal deciding means is arranged to when current detecting unit and detects electric current and voltage detection unit when not detecting voltage, judge occurred unusual.
2. electronic controlled electro endosmosis according to claim 1 also comprises:
Wireless transmission unit is arranged to and exists unusual abnormal information that abnormal deciding means judges to send with the form of radio signal expression; And
Storage arrangement, be installed on the outside of the electric power measurement unit that comprises voltage detection unit, current detecting unit, electric power calculating unit, abnormal deciding means and wireless radio transmission unit, be arranged to the abnormal information that storage is sent with the radio signal form by the wireless radio transmission unit.
3. electronic controlled electro endosmosis according to claim 1 also comprises:
Storage arrangement is arranged to the unusual abnormal information that storage representation exists abnormal deciding means to judge, and described abnormal information can be read from described storage arrangement from the radio signal of external unit by using.
4. electronic controlled electro endosmosis according to claim 1 also comprises:
Display unit is arranged to the unusual abnormal information that shows that expression exists abnormal deciding means to judge.
5. electronic controlled electro endosmosis according to claim 1 also comprises:
Communication unit is arranged to extraneous notification list and shows the unusual abnormal information that exists abnormal deciding means to judge.
6. electronic controlled electro endosmosis according to claim 1 also comprises:
Terminal box with power supply one side terminal and load one side terminal; And
Be connected power supply one side terminal of described terminal box and the isolating switch between load one side terminal, be arranged to judge to exist and carry out rupturing operation when unusual when abnormal deciding means.
CNB2006100710415A 2005-03-31 2006-03-31 Electronic controlled electro endosmosis Expired - Fee Related CN100523831C (en)

Applications Claiming Priority (2)

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JP2005105183A JP4663377B2 (en) 2005-03-31 2005-03-31 Electronic energy meter
JP2005105183 2005-03-31

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CN100523831C true CN100523831C (en) 2009-08-05

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US8892375B2 (en) 2008-05-09 2014-11-18 Accenture Global Services Limited Power grid outage and fault condition management
TWI392875B (en) * 2009-05-22 2013-04-11 Top Victory Invest Ltd Electric device with power consumption measurement
CN101930026B (en) * 2009-06-22 2012-10-17 冠捷投资有限公司 Electronic device with power loss detection function
CN101726660B (en) * 2009-12-25 2011-09-21 华北电力大学 Identification method of transformer internal faults based on leakage magnetic field model
JP5488072B2 (en) * 2010-03-12 2014-05-14 オムロン株式会社 Power measurement system, voltage measurement device, current measurement device, and power measurement method
CN101819230A (en) * 2010-05-14 2010-09-01 中兴通讯股份有限公司 Method and device for monitoring power consumption of single board
KR101251794B1 (en) * 2011-09-30 2013-04-08 삼성전기주식회사 Power measuring system
JP5469284B1 (en) * 2013-06-24 2014-04-16 三菱電機株式会社 Three-phase four-wire energy meter
JP2015117994A (en) * 2013-12-18 2015-06-25 大崎電気工業株式会社 Watthour meter
US9753063B2 (en) * 2014-12-29 2017-09-05 Landis+Gyr Inc. Load side voltage sensing for utility meter
CN105988064B (en) * 2015-11-25 2019-02-15 国网辽宁省电力有限公司锦州供电公司 Can fault point menu and its to position of failure point positioning method
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JP4663377B2 (en) 2011-04-06
CN1841073A (en) 2006-10-04
JP2006284382A (en) 2006-10-19

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