EP2156604A1 - Netzwerk - Google Patents

Netzwerk

Info

Publication number
EP2156604A1
EP2156604A1 EP08773441A EP08773441A EP2156604A1 EP 2156604 A1 EP2156604 A1 EP 2156604A1 EP 08773441 A EP08773441 A EP 08773441A EP 08773441 A EP08773441 A EP 08773441A EP 2156604 A1 EP2156604 A1 EP 2156604A1
Authority
EP
European Patent Office
Prior art keywords
switching
control unit
network according
terminal
relay
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Withdrawn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
EP08773441A
Other languages
German (de)
English (en)
French (fr)
Inventor
Daniel Ulmer
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.)
IT-Designers GmbH
IT DESIGNERS GmbH
Original Assignee
IT-Designers GmbH
IT DESIGNERS GmbH
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 IT-Designers GmbH, IT DESIGNERS GmbH filed Critical IT-Designers GmbH
Publication of EP2156604A1 publication Critical patent/EP2156604A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R29/00—Coupling parts for selective co-operation with a counterpart in different ways to establish different circuits, e.g. for voltage selection, for series-parallel selection, programmable connectors
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/006—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits the coupling part being secured to apparatus or structure, e.g. duplex wall receptacle
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/10—Current supply arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
    • H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof

Definitions

  • the invention relates to a network.
  • Networks of the type in question generally connect terminals via lines over which data is interchangeable.
  • Such networks can form computer networks in which several computer units, printers, copiers, scanners or similar terminals are networked together.
  • terminals in the form of household appliances such as office shutters, washing machines, refrigerators, heaters, can also be combined in networks.
  • an essential purpose of such networks is that they can be centrally controlled via these different terminals.
  • Ethernet networks An example of such networks are Ethernet networks.
  • a further development of Ethernet is the so-called Power over Ethernet.
  • Power over Ethernet In this embodiment, not only data is transmitted via the lines of the network but also a supply voltage, via which the power supply of the terminals takes place.
  • An advantage of such systems is that power supply cables can be saved, so that the cabling effort when creating the network can be significantly reduced.
  • devices with a low power requirement typically up to 15 watts, can be supplied in this way.
  • the invention has for its object to provide a network of the type mentioned, in which a rational, energy and cost-saving use of the terminals is possible. To solve this problem, the features of claim 1 are provided. Advantageous embodiments and expedient developments of the invention are described in the subclaims.
  • the invention relates to a network with a number of terminals connected via lines. Data and a supply voltage for the power supply of the terminals can be transmitted via the lines. It is at least one switching control unit and at least one of these associated switching device provided with a switching means. By driving the switching control unit, the switching means of the switching device can be activated or deactivated. When the switching device is activated, a terminal assigned to the switching device is switched on by being connected to a mains voltage. When the switching means is deactivated, the terminal device assigned to the switching device is switched off by being disconnected from the mains voltage.
  • the basic idea of the invention thus consists in that a terminal, if its function is not currently required, can be switched off via the switching control unit and the switching device. It is essential here that switching off a terminal takes place in such a way that it is disconnected from the mains voltage. The terminal thus consumes no power in the off state.
  • the terminals such as household appliances, copiers, computers and the like are generally connected to the power supply to a mains voltage, which is typically 230 volts.
  • the terminal device associated switching device operates such that when activated switching means, the connection of the terminal is made to the mains voltage and the connection of the terminal to the mains voltage is interrupted when switching means disabled, that is, the terminal is de-energized.
  • the present invention differs from known network solutions in which terminals are indeed disabled via central controls
  • this deactivation means only a transfer of the respective terminal in a standby state in which the terminal is still consuming power.
  • a time-controlled or event-controlled switching on and off of the terminals via the switching devices takes place with the switching control unit (s) in order to be able to optimize the activation times of the terminals.
  • the printer can be switched on, for example, whenever the computer was first switched on so that the printer is then available for the computer.
  • a DSL modem with an assigned router can be switched on as a further terminal, so that the computer has immediate Internet access.
  • end devices such as back-up servers or household appliances such as washing machines can always be activated if electrical energy is made available to them via local energy sources such as solar cells or heat exchangers with combined heat and power.
  • cascaded arrangements of shift control units can also be used for such control tasks in order to be able to carry out coordinated on-off operations in a plurality of terminals.
  • An example of this are larger computer networks in companies.
  • the computers of individual departments can be switched off in different ways after their working hours in the evening, after which the network infrastructure is separated from the power network together with the first, subordinate switching control unit by means of higher-level switching control units.
  • Such systems can generally also be used to generate control functions.
  • a control signal for the company's energy officer can be generated when, in the evening, a computer is still activated and connected to the network after a certain time.
  • the supply voltage for the power supply of the terminals is transmitted together with the data via its lines.
  • the supply voltage can be configured as a power over Ethernet supply voltage. This supply voltage is generally insufficient for the power supply of terminal devices which are operated with mains voltage. However, the supply voltage can then be used to connect the terminal to the mains voltage or disconnect from the mains voltage.
  • the switching means of the associated switching device can be activated or deactivated for this purpose so as either to feed the switching device associated terminal with the mains voltage or to decouple it from the mains voltage.
  • the control function of the shift control unit is generally adapted to the design of the respective switching device, in particular of the switching means integrated there.
  • the switching means may generally be formed by semiconductor switches or in particular by relays.
  • the switching means of the switching device is formed by a monostable relay
  • the switching means is activated by applying to the supply voltage by means of the switching control unit. Accordingly, by switching off the supply voltage via the switching control unit, the monostable relay is deactivated and the terminal is switched off.
  • the switching device can have a very simple structure in this case.
  • a further advantage is that in the switching control unit, the switching state of the terminal is always known, since this depends in a unique way on whether the supply voltage is applied to the monostable relay or not. However, the monostable relay consumes power when it is turned on.
  • a bistable relay can be used as switching means in the switching device.
  • the switching states of the relay are changed via control voltage pulses that are generated in the switching control unit.
  • the switching states themselves are stable even without the application of energy, ie the relay does not need any power supply in order to be able to maintain one or both switching states.
  • the switching state of the bistable relay is generally changed with a control voltage pulse, which is preferably formed by a supply voltage pulse, that is, with the control voltage pulse both the activation and the deactivation of the bistable relay, the current switching state of the terminal is in the shift control unit not sure recognizable.
  • the switching control unit sends requests to the terminal at predetermined time intervals, for example in the form of data signals. Be on the shift control unit for a long time on this Requests received no response signals is detected in the switching control unit that the terminal is turned off.
  • terminals are switched off automatically in the network, in particular time-controlled via one or more switching control units, it may be desirable for a user to be able to turn on a terminal again by manual intervention in order to have this quickly available.
  • copiers can be automatically switched off via the network according to the invention, for example, in addition to computers, printers and other EDP devices.
  • the switching device which serves to switch the copier on or off, or in general of the terminal device, can be assigned a mechanical switch. By actuating the mechanical switch, the switch-off of the terminal previously made via the switching control unit can be canceled, that is, the terminal is switched on.
  • the switching means and thus the terminal is not directly but indirectly switched on via the switching control unit by pressing the mechanical switch.
  • the mechanical switch can act directly on the switching means and thus change the switching state of the switching means and thus of the terminal.
  • the invention can generally be used in networks in which not only data but also the supply voltage for the power supply of the terminals is transmitted via the lines of the network. Particularly advantageously, the invention is used in Power over Ethernet systems.
  • the invention will be explained below with reference to the drawings. Show it:
  • Figure 1 Schematic representation of a network.
  • FIG. 2 Schematic representation of the construction of a switching device for the network according to FIG. 1.
  • Figure 3 switching control unit with switching device and associated switch for switching on and off of a terminal in a network according to Figure 1.
  • FIG. 1 shows in a greatly simplified form an exemplary embodiment of the network 1 according to the invention.
  • the network 1 forms an Ethernet system whose components are connected via lines 2 in the form of Ethernet lines via which data is transmitted.
  • it is a so-called Power over Ethernet system, in which in addition to the data, a supply voltage in the form of a DC voltage is transmitted to the energy supply of the participants.
  • a supply voltage in the form of a DC voltage is transmitted to the energy supply of the participants.
  • only subscribers with a power requirement of up to 15 watts can be supplied with this supply voltage. Subscribers with a higher power requirement are to be connected to a mains voltage for power supply.
  • Networks of this type generally comprise computer units, at least one computer unit 3 serving to control the data transmission via the network 1.
  • FIG. 1 shows an example of such a terminal 4, which is formed in the present case of a copier.
  • such terminals 4 of computer equipment but also of household appliances such as washing machines and the like may be formed.
  • such terminals 4 may be Act devices that can be connected via a connection 5, in this case a socket, to the mains voltage, which in particular is 230 volts.
  • the terminal 4 according to Figure 1, a switching device 6 is assigned.
  • the switching device 6 is formed in the present case in the form of a separate ballast. In principle, the switching device 6 can also be integrated in the terminal 4.
  • the switching device 6 is, as shown in Figure 1, designed as an adapter.
  • the adapter has a first adapter part 6a, which is insertable into the socket 5 forming the connection.
  • the adapter has a second adapter part 6b, in which a plug 7 of the terminal 4 are inserted in order to connect it to the mains voltage.
  • the switching device 6 On the switching device 6 are two Ethernet sockets 8, 8 'for connecting the lines 2 of the network 1. About these lines 2, the terminal 4 is connected via the switching device 6 to a switching control unit 9, in turn, via lines 2 to the components of the network. 1 is connected, that is, the terminal 4, the switching device 6 and the switching control unit 9 are participants of the network first
  • the switching control unit 9 forms a preferably processor-controlled unit with a plurality of ports, to which a plurality of switching devices 6 can be connected, which in turn are assigned to terminals 4.
  • the switching device 6 As shown in Figure 2, a switching means 10, which is formed in the present case of a relay.
  • the switching means 10 may also be formed by a semiconductor switch.
  • the switching device 6 comprises a logic circuit 11.
  • a line 12 carrying the mains voltage runs, which connects the two adapter parts 6a, b.
  • the switching means 10 is provided.
  • From the ethernet jack 8 leads a further line 13 to the logic circuit 11.
  • the supply voltage in the present case is formed by a DC voltage of 48 V, which forms the power over Ethernet voltage of the present Ethernet system.
  • a first line 14 leads from the logic circuit 11 to the switching means 10.
  • a second line 15 leads from the logic circuit 11 to the Ethernet socket 8 '.
  • the control of the switching device 6 takes place via the switching control unit 9, wherein the control takes place such that the supply voltage is applied to the switching means 10 or not.
  • the terminal 4 is connected to the mains voltage via the output switching signal, that is, the terminal 4 is switched on and ready for operation. If the switching means 10 is deactivated, the connection of the terminal 4 to the mains voltage is interrupted, the terminal 4 is thus turned off, the terminal 4 is de-energized in the off state and consumes no energy.
  • the arrangement according to FIG. 1 can generally be extended to control a plurality of switching devices 6 by means of a switching control unit 9, it being possible in each case for a terminal 4 to be switched on or off by means of a switching device 6. Furthermore, cascaded arrangements of switching control units 9 and associated switching devices 6 are also possible.
  • a time- or event-controlled activation of subordinate shift control units 9 or of switching devices 6 can generally take place.
  • a specific data protocol can be provided for the exchange of data between switching control units 9 with each other and with the associated terminals 4 or their switching devices 6.
  • FIG. 3 shows an extension of the arrangement according to FIG. 1 in that the switching device 6 is additionally assigned a mechanical switch, which in the present case is designed as a pushbutton 16. As can be seen from FIG. 3, the button 16 is connected directly to the switching device 6. For the sake of clarity, only the shift control units 9 and the terminal 4 are shown by the arrangement in FIG.
  • the relay of the switching device 6 according to Figure 2 may be generally designed as a monostable or bistable relay.
  • the switching means 10 of the switching device 6 is formed as a monostable relay
  • this relay is activated and thus the terminal 4 is turned on by the supply voltage, that is, the power over Ethernet voltage permanently applied by the switching control unit 9 to the relay becomes.
  • the supply voltage is switched off by the switching control unit 9, that is, this is no longer applied to the relay, so that this is deactivated. Since the switching state of the relay is uniquely determined by whether the supply voltage is present at the relay or not, and since the application of the versor ⁇ supply voltage to the relay is specified by the switching control unit 9, the switching state of the relay is always known in the switching control unit 9.
  • this switch-on is combined with a time control implemented in the shift control unit 9, which switches off the terminal 4 after a predetermined period of time after the switch-on process initiated by the pushbutton 16.
  • the switching state of the relay is changed by a control voltage pulse, which is generated in the Weg Kunststoff- 9, and thus the terminal 4 on or off.
  • the bistable relay is permanently reversed by the control voltage pulse, so that the terminal 4 remains permanently in this state by the switching operation.
  • the control voltage pulse is designed as a supply voltage pulse, that is, as a power over Ethernet voltage pulse.
  • bistable relay is switchable by means of the control voltage ⁇ pulse of the switching control unit 9 between two switching states that are stable even without applying a voltage to the relay, that is Relay consumes only energy when changing the switching state, but not during the stay in one of the switching states.
  • the switching control unit 9 sends inquiries, for example in the form of data signals, to the terminal 4 at predetermined time intervals. If the terminal 4 is switched on, it sends response signals to the switching control unit 9.
  • the data signal emitted by the switching control unit 9 is formed by a special Ethernet signal, the so-called ICMP-ECHO-REQUEST. If the switching control unit 9 then receives an ICMP ECHO RESPONSE signal from the terminal 4, this is a proof that the terminal 4 is switched on. If the switching control unit 9 does not receive such a data signal from the terminal 4 over an extended period of time, this is a proof that the terminal 4 is not switched on.
  • the bistable relay can be switched directly by pressing the button 16, that is without intervention of the switching control unit 9 and so the switching state of the terminal 4 are changed.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
EP08773441A 2007-06-20 2008-06-14 Netzwerk Withdrawn EP2156604A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007028180A DE102007028180A1 (de) 2007-06-20 2007-06-20 Netzwerk
PCT/EP2008/004804 WO2008155076A1 (de) 2007-06-20 2008-06-14 Netzwerk

Publications (1)

Publication Number Publication Date
EP2156604A1 true EP2156604A1 (de) 2010-02-24

Family

ID=39870117

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08773441A Withdrawn EP2156604A1 (de) 2007-06-20 2008-06-14 Netzwerk

Country Status (6)

Country Link
US (1) US8378809B2 (enrdf_load_stackoverflow)
EP (1) EP2156604A1 (enrdf_load_stackoverflow)
JP (1) JP5162658B2 (enrdf_load_stackoverflow)
CN (1) CN101711465A (enrdf_load_stackoverflow)
DE (1) DE102007028180A1 (enrdf_load_stackoverflow)
WO (1) WO2008155076A1 (enrdf_load_stackoverflow)

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CN101239538B (zh) * 2007-02-05 2013-01-02 山东新北洋信息技术股份有限公司 打印机控制方法、装置及打印机
DE102007041675A1 (de) 2007-08-04 2009-02-19 Fraunhofer IZM Institut Zuverlässigkeit Mikrointegration Netzwerk
EP2222018A1 (en) * 2009-02-24 2010-08-25 Alcatel Lucent A method of centralized ethernet network shutdown
DE102009041547B4 (de) 2009-09-15 2012-10-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Aktivieren eines WLAN-tauglichen Geräts
US9599433B1 (en) 2009-11-16 2017-03-21 N82 Tactical, Inc. Holster for a handgun
US9066055B2 (en) * 2011-07-27 2015-06-23 Texas Instruments Incorporated Power supply architectures for televisions and other powered devices
EP2597426B1 (de) * 2011-11-25 2013-10-23 ubitricity Gesellschaft für verteilte Energiesysteme mbH Zähl- und Messpunkt-System zur Messung und Zählung von elektrischer Energie/Elektrizität und Verfahren
DE102011089412A1 (de) * 2011-12-21 2013-06-27 Bayerische Motoren Werke Aktiengesellschaft Aufweckvorrichtung für einen Netzwerkknoten eines Netzwerksystems und Netzwerksystem
US9606615B2 (en) * 2012-06-29 2017-03-28 Philips Lighting Holding B.V. Apparatus, method and computer program means for data transport with reduced power consumption during link idle times
US9553450B2 (en) * 2012-10-04 2017-01-24 Schneider Electric Buildings, Llc Systems and methods of controlling power
DE102014214138A1 (de) * 2014-07-21 2016-01-21 Robert Bosch Gmbh Verfahren zum Betreiben eines Steuergeräts

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US5659209A (en) * 1994-12-05 1997-08-19 Fairform Mfg. Co., Ltd. Supply/load on/off switching assembly

Also Published As

Publication number Publication date
DE102007028180A1 (de) 2009-01-02
JP5162658B2 (ja) 2013-03-13
CN101711465A (zh) 2010-05-19
US20100181835A1 (en) 2010-07-22
WO2008155076A1 (de) 2008-12-24
JP2010530682A (ja) 2010-09-09
US8378809B2 (en) 2013-02-19

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