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EP2704103A1 - Compteur d'énergie et consommateur électrique - Google Patents

Compteur d'énergie et consommateur électrique Download PDF

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Publication number
EP2704103A1
EP2704103A1 EP13178658.4A EP13178658A EP2704103A1 EP 2704103 A1 EP2704103 A1 EP 2704103A1 EP 13178658 A EP13178658 A EP 13178658A EP 2704103 A1 EP2704103 A1 EP 2704103A1
Authority
EP
European Patent Office
Prior art keywords
consumer
counter
power supply
electronic circuit
electrical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP13178658.4A
Other languages
German (de)
English (en)
Inventor
Werner Schnabel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP2704103A1 publication Critical patent/EP2704103A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles

Definitions

  • the invention relates to a consumer meter with the features mentioned in the preamble of claim 1 and an electrical consumer with this consumer meter.
  • an accounting for energy consumption can be offered by taking the accumulated operating hours (and minutes, and optionally seconds) with the performance of the device for determining the energy consumption by a manual multiplication calculation.
  • the power grid belongs to an operator and is made available to many users of devices without a power meter for individual detection is or may be, for example, in a campsite or in a rental workshop.
  • the possibility of individual recording of the energy consumption per electric appliance offers the Traders also have the advantage of offering their customers more precisely calculated, energy-related offers.
  • the disadvantage here however, that the performance of the electrical appliance must always go into the bill with the maximum nominal value. Depending on the load, however, electrical appliances can also consume less power so that the customer effectively has to pay more than consumed.
  • the object of the present invention is to create a consumer meter for an AC electric consumer, which, in addition to recording the operating hours, enables an exact detection of the energy consumption per use case, thereby precluding a manipulation of detected consumption values.
  • a further object of the invention is that the consumer counter can still have compact dimensions to be installed in existing standard cutouts for retrofitting of electrical consumers.
  • the consumer meter for detecting operating hours of an AC electrical consumer is integrated into the electrical consumer and an electronic circuit is provided for detecting operating hours, allowing a much more compact construction of the consumer meter.
  • the electronic circuit preferably additionally has means for detecting load current and load voltage of the electrical consumer. It is preferably provided a means for determining the consumer power from detected load current and load voltage of the electrical consumer. Furthermore, in the electronic circuit a Means for determining the energy consumption of the electrical consumer from determined consumer power and detected time available.
  • a means for detecting the AC mains frequency is incorporated in the consumer counter, wherein this frequency is used as the clock frequency for detecting operating hours in an electronic time counter.
  • the supply of the electronic circuit with a DC voltage is performed by means of a power supply connected to the AC power supply, wherein the power supply is integrated in the consumer meter. This makes it possible that the consumer counter is activated by commissioning the electrical consumer. Likewise, no additional cables need to be routed from an external power supply and an external power supply must be housed and handled anywhere.
  • the power supply is preferably designed as a Kondenstornetzteil, or in particular a switching power supply or a transformer power supply.
  • a very practical compactness of the consumer counter can be achieved so that it can be accommodated in a standard cutout of an electrical consumer.
  • the consumer counter according to the invention according to one of the previously described embodiments, in particularly preferred embodiments, preferably a digital display, wherein the power supply, electronic circuit and digital display are preferably realized on two boards, which are spaced apart are. In this case, all the electronic switching elements between the two boards are arranged so that they do not protrude outward.
  • the board gap is potted with a resin, more preferably after installation in a housing.
  • the electronic elements are mainly protected against moisture and a chemically aggressive environment, but also mechanically held together and preserved against mechanical damage during installation or repair.
  • the distance between the two boards is further preferably predetermined by the largest component of the power supply or the electronic circuit, such as by the Vorwiderstandskondensator a capacitor power supply or by the transformer of a transformer power supply.
  • the largest component of the power supply or the electronic circuit such as by the Vorwiderstandskondensator a capacitor power supply or by the transformer of a transformer power supply.
  • the dimensions of the consumer counter are smaller or correspond to an industrial compact standard insert, which may for example be preferably 50 x 25 mm in width and height.
  • an industrial compact standard insert which may for example be preferably 50 x 25 mm in width and height.
  • the available depth is also limited so that the sizing of the counter must also take this into account.
  • the digital display has a row for displaying the energy consumption in kWh and / or a line for displaying the operating hours, wherein the two displays are particularly preferably 8 digits.
  • the two displays are particularly preferably 8 digits.
  • the electronic circuit has electronic means for permanently storing the recorded display values for operating hours and energy consumption even after the power supply has been switched off and for displaying the display values again on the display after switching on the power supply. This ensures that the display values can not be manipulated externally.
  • the electronic circuit may include an internal reset switch to set the counter readings to zero or to restart the circuit after an error.
  • the AC voltage required to operate the consumer meter and the electrical consumer preferably has a country specific value and is used in a single phase between a phase and neutral or between two phases.
  • a consumer may also be connected and driven in three-phase fashion with remaining two unmonitored phases.
  • the typical country-specific AC voltages may be 120, 127, 220, 230, and 380 volts or similar, with the frequency of the AC voltage also having a country-specific value, particularly 50 Hz or 60 Hz.
  • An application-specific and country-specific electronic circuit of the consumer meter takes into account these country-specific values, so that the use of the consumer meter according to the invention is made possible in all countries.
  • the objects according to the invention are achieved by an electrical consumer having a consumer meter integrated in it according to one of the preferred embodiments described above or combinations thereof.
  • FIG. 1 shows a block diagram of a preferred embodiment of the consumer meter 2 and electrical consumer 6 according to the invention.
  • the consumer counter 2 here has, for example, a minimum number of external terminals 12, 13 and 14 of three. To the Terminals N and L in the AC voltage U w is connected and an output L out leads out the phase L again, to which an electrical consumer 6 is connected in series and in turn is supplied with a neutral terminal N for its operation.
  • the consumer counter 2 has a power supply 3, which can be designed as a capacitor power supply.
  • the capacitor power supply 3 is the state of the art for a small DC power both more economical and more compact and cheaper than other power supplies feasible. In the present example, it supplies a DC voltage U DC of 5 volts, which is provided to the electronic circuit 4. However, it has no galvanic isolation as a capacitor power supply and must therefore be particularly well insulated against contact.
  • the power supply can also be designed as a compact transformer power supply or a switched-mode power supply.
  • the electronic circuit 4 forms the actual electronic consumer counter. It has in each case a means for detecting the load current i L and the load voltage U L. There are known electronic means that scan a voltage and convert it into digital signals. For detecting the alternating-current side load current i L , a resistor or shunt R serially connected in the phase line L is provided, at which a voltage drop U i is detected. From the detected voltage drop results in the currently flowing load current.
  • the two values of the load current i L and the load voltage U L determined in this way become further in the electronic circuit 4 currently detected apparent power by an electronically executed multiplication linked. Due to the detected phase shift between i L and U L , the active power P w can be determined. This determined current power is added up with discrete periods of time to a recorded amount of energy consumed, for example.
  • the timer is preferably the AC line frequency f N , which is obtained by a means for determining the clock frequency and the electronic circuit is provided at a low voltage level of, for example, 5 volts.
  • clock signal f N is used in the electronic circuit 4 to the continuous list of operating hours, so that no additional electronic clock is needed for example in the form of a conventional quartz clock and thereby fewer components having the electronic circuit 4 to the desired compactness of the consumer counter 2 and a cost saving additionally contributes.
  • the electronic circuit When processing the clock signal, the electronic circuit preferably takes into account a country-specific alternating current frequency of 50 Hz or 60 Hz and can be adjusted with a correction factor implemented by circuitry.
  • the digital display has a sufficient number of display sites, for example of 8 digits, for the respective application.
  • the fractions of the hours and kWh can preferably be displayed with a decimal place display and the digital display 5 can be designed, for example, in two lines.
  • the values for operating hours and energy consumption displayed on the display 5 are set to zero by switching off the electronic circuit and would restart each time.
  • Another embodiment preferably ensures that the last enumerated values are stored and displayed again after switching them on again so that no manipulation of these values is possible.
  • the last option offers practical advantages, especially in the rental business of the electrical consumers.
  • the illustrated consumer counter according to the invention although intended primarily for single-phase consumers, can be expanded and used in a simple manner for three-phase three-phase loads as well. For this purpose, only the missing two phases need to be connected independently of the present consumer counter 2 to the three-phase load and in the electronic circuit 4, starting from a symmetrical phase loading a corresponding circuit-computerized correction of the detected energy consumption can be made.
  • FIG. 2 shows a side view of a preferred embodiment of the consumer counter 2 according to the invention in a schematic representation.
  • the electronic circuit 2 is realized on two spaced apart and parallel boards 8 and 10.
  • the circuit of the power supply is realized on the one of the two boards 8, here preferably on the AC side.
  • the second board 10 offers above all the digital display 5 and the belonging to her display electronic components space.
  • the electronic components of the electronic circuit 4, in particular the electronic means for detecting the load current, the load voltage and the clock frequency can be arranged on one of the two boards or distributed on both boards 8 and 10.
  • the two boards are preferably signal-electrically connected by means of conductors.
  • This capacitor is therefore chosen according to the invention specifically with regard to its dimensions in height and diameter.
  • the remaining components may be resistors, IC's, Zener diode and other capacitors.
  • Terminal 14 supplies, for example, the neutral conductor N and terminals 12 and 13 each input the phase L in and the output of the same phase L out after voltage and current detection.
  • the circuit arrangement of two boards 8 and 10, for example, with an epoxy resin 11 are cast to the electronic To protect components against environmental influences such as moisture and especially to thereby ensure an electrically safe safe handling and finger-safe operation of the electrical consumer 6 and the consumer counter 2. This is particularly important in view of the preferred capacitor power supply, since it does not separate galvanically.
  • the circuitry may be enclosed in a housing (not shown) and then potted with resin.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
EP13178658.4A 2012-08-29 2013-07-31 Compteur d'énergie et consommateur électrique Withdrawn EP2704103A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012017160.9A DE102012017160A1 (de) 2012-08-29 2012-08-29 Verbraucherzählwerk und Elektroverbraucher

Publications (1)

Publication Number Publication Date
EP2704103A1 true EP2704103A1 (fr) 2014-03-05

Family

ID=48951309

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13178658.4A Withdrawn EP2704103A1 (fr) 2012-08-29 2013-07-31 Compteur d'énergie et consommateur électrique

Country Status (2)

Country Link
EP (1) EP2704103A1 (fr)
DE (1) DE102012017160A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111487856A (zh) * 2019-01-29 2020-08-04 中山市君创电子科技有限公司 电器中的过零计时器

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015525A1 (fr) * 1979-03-05 1980-09-17 WESTDEUTSCHE ELEKTROGERÄTEBAU G.m.b.H. Adapteur de connexion électrique en combinaison avec un appareil
DE3900048A1 (de) * 1989-01-03 1990-07-05 Friedrich Margraf Heizkessel fuer eine warmwasserheizung mit elektrischer waermeerzeugung, fuer wohnungen und aufenthaltsraeume
US5384712A (en) * 1991-08-15 1995-01-24 Eaton Corporation Energy monitoring system for a plurality of local stations with snapshot polling from a central station
WO1996018977A2 (fr) * 1994-12-16 1996-06-20 Vu-Data Limited Dispositif enregistreur, dispositif de lecture et dispositif de regulation
DE29905684U1 (de) * 1999-03-27 1999-07-15 Lehning, Michael, Dr., 31137 Hildesheim Gerät zur verbrauchsgesteuerten Zugriffs- und Benutzungskontrolle von Elektrogeräten über Chipkarten
JP2001004665A (ja) * 1999-06-21 2001-01-12 Toko Seiki Co Ltd 消費電力計測表示機能付き家庭用電化製品
DE10008778A1 (de) * 2000-02-18 2001-09-13 Deurag Ag Glarus Entladungslampe, insbesondere Niederdruck-Entladungslampe
US6476729B1 (en) * 2000-08-22 2002-11-05 Daniel Liu Power monitoring module with display unit for electrical power source device
US20030076744A1 (en) * 2001-10-18 2003-04-24 Zick Kenneth E. Field monitoring instrument
JP2003187282A (ja) * 2001-12-13 2003-07-04 Mitsubishi Electric Corp 電気機器の累積稼動時間管理装置
EP1916884A1 (fr) * 2006-10-27 2008-04-30 Agie Sa Panneau à circuit et procédé de sa production
US20100287489A1 (en) * 2009-05-05 2010-11-11 Harold Gene Alles Power Monitoring and Analysis System for Identifying Individual Electrical Devices

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015525A1 (fr) * 1979-03-05 1980-09-17 WESTDEUTSCHE ELEKTROGERÄTEBAU G.m.b.H. Adapteur de connexion électrique en combinaison avec un appareil
DE3900048A1 (de) * 1989-01-03 1990-07-05 Friedrich Margraf Heizkessel fuer eine warmwasserheizung mit elektrischer waermeerzeugung, fuer wohnungen und aufenthaltsraeume
US5384712A (en) * 1991-08-15 1995-01-24 Eaton Corporation Energy monitoring system for a plurality of local stations with snapshot polling from a central station
WO1996018977A2 (fr) * 1994-12-16 1996-06-20 Vu-Data Limited Dispositif enregistreur, dispositif de lecture et dispositif de regulation
DE29905684U1 (de) * 1999-03-27 1999-07-15 Lehning, Michael, Dr., 31137 Hildesheim Gerät zur verbrauchsgesteuerten Zugriffs- und Benutzungskontrolle von Elektrogeräten über Chipkarten
JP2001004665A (ja) * 1999-06-21 2001-01-12 Toko Seiki Co Ltd 消費電力計測表示機能付き家庭用電化製品
DE10008778A1 (de) * 2000-02-18 2001-09-13 Deurag Ag Glarus Entladungslampe, insbesondere Niederdruck-Entladungslampe
US6476729B1 (en) * 2000-08-22 2002-11-05 Daniel Liu Power monitoring module with display unit for electrical power source device
US20030076744A1 (en) * 2001-10-18 2003-04-24 Zick Kenneth E. Field monitoring instrument
JP2003187282A (ja) * 2001-12-13 2003-07-04 Mitsubishi Electric Corp 電気機器の累積稼動時間管理装置
EP1916884A1 (fr) * 2006-10-27 2008-04-30 Agie Sa Panneau à circuit et procédé de sa production
US20100287489A1 (en) * 2009-05-05 2010-11-11 Harold Gene Alles Power Monitoring and Analysis System for Identifying Individual Electrical Devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111487856A (zh) * 2019-01-29 2020-08-04 中山市君创电子科技有限公司 电器中的过零计时器

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