WO2001080199A1

WO2001080199A1 - Method for remotely controlling devices

Info

Publication number: WO2001080199A1
Application number: PCT/DE2001/000968
Authority: WO
Inventors: Werner Krüger
Original assignee: Siemens Aktiengesellschaft
Priority date: 2000-04-13
Filing date: 2001-03-14
Publication date: 2001-10-25
Also published as: DE10018373A1

Abstract

The invention relates to a method for remotely controlling devices. According to said method, the device is connected to a control output and/or input of a control unit and said control unit is connected to a mobile radio device. An identification, preferably an SMS message is stored in the control device and is assigned to the control output or input. In order to control the device, an identification is sent from a terminal to the mobile radio device using a standard information transfer procedure of a mobile radio network and said identification is automatically forwarded from the mobile radio device to the control unit. The control unit then compares the received identification with the stored identification and if they match, connects the allocated control output. To receive information from the device when a signal is present at the control input, the identification that has previously been assigned to said control input is transmitted to the mobile radio device which sends the identification automatically to a selected terminal, using a standard information transfer procedure of a mobile radio network.

Description

description

Procedure for remote control of devices

The invention relates to a method for remote control of devices. Furthermore, the invention also relates to a control device and a mobile radio device t that can be coupled to the control device for carrying out the method, and to the system for carrying out the method consisting of the control device and the mobile radio device.

Most of the currently commercially available telematics systems are remote controls that, such as a remote control for opening and closing garage doors or car doors, are specially tailored to the respective application.

It is an object of the present invention to provide an alternative to this prior art, which allows universal remote control of devices from any distance in a cost-effective and easy-to-use manner.

This object is achieved by a method according to claim 1.

In the method according to the invention, the device is first connected to a control output or a control input of a control device. The control device is in turn for receiving or sending a specific one

Identifier connected to a mobile device via a short-range interface. In the following, the term “mobile radio device” * is understood to mean any device with a corresponding function, for example a PDA with a mobile radio part, etc., and also a cordless telephone. The short-range interface can be, for example, a wireless interface, such as an IRDA or Bluetooth interface, but it can also be an interface with a cable connection or other direct connection.

The user then stores a freely defined identifier in the control device and assigns it to the corresponding control output or control input to which the device is connected. The identifier can be, for example, a password or a label or any other character string, but also an identifier or the like.

To control the device, an identifier is then sent to the mobile device by an end device using a standard information transmission method of a mobile radio network. This identifier is automatically forwarded to the control device via the short-range interface. The received identifier is then compared in the control device with the stored identifier and, if there is a match, the control output assigned to this identifier is connected. Of course, it is also possible to assign two different identifiers to a control output in order to be able to switch the respective control output back down again after switching.

In the opposite way, to receive information from the device exactly when a signal is present at a certain control input, the identifier previously assigned to this control input is transmitted to the mobile radio device, which then automatically identifies the identifier by means of a standard information transmission method of a mobile radio network sends to a selected terminal.

Depending on the structure of the control device, the invention consequently offers an extremely simple and inexpensive possibility a bidirectional remote control. In this sense, bidirectional remote control is to be understood both as a pure remote control of devices, as well as a pure information retrieval from remote-controlled devices, as well as a combination of these possibilities.

In contrast, the commercially available, more cost-effective systems are only unidirectional systems. This means that devices can only be operated from the remote control. The transmission of information from the respective remote-controlled device, for example a warning signal or feedback after the execution of the desired function selected via the remote control, is not provided.

The identifier preferably comprises a text, image, voice or data message transmitted according to a corresponding mobile radio standard. This means that no special mobile radio device or a special transmission method is used to carry out the method, but the data transmissions take place in each case in accordance with the standards that are usually used anyway in the mobile radio network, such as GSM, UMTS, DECT or CDMA. For security reasons, the identifier can optionally be expanded to include a subscriber number of the calling terminal in order to prevent a remote control function from being triggered by external terminals.

A standard text message, such as the SMS message (Short Message Service), of the GSM mobile radio standard is particularly preferably used as the identifier. SMS messages have the advantage that they are extremely inexpensive and bidirectional both within the GSM system, e.g. B. between two mobile devices, as well as, for example via the Internet, can be transmitted into or out of the mobile radio system. The sending of an SMS message to the mobile device arranged on the control device is in the )) KJ M P>ι->

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Likewise, a commercially available mobile radio device itself can already be equipped with appropriate software or hardware, with which a user interface for entering assignment parameters or identifiers for storage in the control device is provided as soon as the mobile radio device is coupled to the control device via the short-range interface. In this case, it is of course a specially equipped mobile radio device that is expanded by this function.

The design of the tax inputs and outputs depends on the respective requirements. A single control device can have multiple control inputs or outputs of the same type as well as different control inputs and outputs.

If it is only a matter of switching devices such as lighting, coffee machines, washing machines, lawn sprinklers etc. with a mains power supply, it makes sense to design the outputs as switched sockets. If the output is wired accordingly, the mains voltage is applied to these sockets via a relay, in particular a semiconductor relay.

If, for example, only low voltages are to be switched, such as in auxiliary heaters in the car or on construction site lamps, the outputs can also be designed as switched relay contacts. Depending on the type of signals to be switched, triacs, optocouplers, transistors (open collector) etc. can also be used. Optocouplers are particularly useful when galvanic isolation is required. Optocouplers, transistors or the field windings of relays can also be used as control inputs. This is useful, for example, if the execution of a switching command is to be reported back. In this case, with a corresponding signal at the control input, the identifier assigned to this input and previously defined by the user, for example an SMS message such as “command executed *,” is sent to the sending terminal or to any other address. The same function can be used if a sudden event, such as a power supply failure to a freezer or a burglar alarm, is to be reported. Of course, it is also advisable to use inputs which constantly monitor a signal and send the assigned identifier when a certain threshold is exceeded or undershot. This option allows temperature, brightness or the like to be checked.

The control device preferably has a receptacle for a mobile radio device and an interface arranged thereon, so that a mobile radio device located in the receptacle is automatically connected to the device via the interface. For example, it can be a recording as it is also available in a hands-free car kit. The energy supply for the mobile radio device or the charging of a rechargeable battery can be guaranteed at the same time via this receptacle or interface.

The invention is explained below with reference to the accompanying drawing using an exemplary embodiment. The features shown there and the features already described above can be essential to the invention not only in the combinations mentioned, but also individually or in other combinations. At this point, it is also expressly pointed out that features that are only mentioned in connection with the method also apply may be essential to the invention with respect to the control device and the mobile radio device or a system for performing the method, and vice versa.

The single figure shows a schematic block diagram of a control device for carrying out the method with a mobile radio device connected to it.

In the exemplary embodiment, an identifier in the form of an SMS message is assumed below since the use of this standard is particularly simple and inexpensive.

The control device shown in the figure has several control outputs Oi to 0 _N and several control inputs I Steu to I _N.

The control outputs Oi to 0 _N are each connected via an output switching unit OSi to 0S _N to an output controller unit 6 with a memory 8. The

Output switching units OSi OS to _N in each case a given output from the controller unit 6 in the corresponding signal wiring for the respective control output Oi to 0 _N implement. In the present embodiment is in the output switching units OSi to OS _N are simple relays that intrude a mains voltage to the respective outputs Oi to 0 _N. The control outputs Oi to 0 _N are accordingly designed as a mains socket.

The control inputs I * to I _N , on the other hand, are connected to an input controller unit 9 with a memory 11 via corresponding input switching units ISi to IS _N. The input switching units ISi to IS _N each convert at the input Ij. to I _N applied signal into a switching pulse for the input controller unit 9. The output controller unit 6 is in turn connected to an interface unit 4 via an identifier input 7 and the input controller unit 9 via an identifier output 10. Both controller units 6, 9 are also connected to the interface unit via a programming connection 5. This interface unit 4 is connected to a mobile radio device 2 via the standard accessory interface 3. This mobile radio device 2 has the usual keyboard 13, a display 14 and a connection unit 12 for the standard interface 3.

The interface 3 is located in a receptacle of the control device 1, into which the mobile radio device 2 is inserted (not shown), so that the contacts of the connection unit 12 are automatically assigned accordingly. The entire control unit 1 is surrounded in the form of a “telematics box * with a housing in which the receptacle is integrated.

The way in which the control unit 1 is used is explained below using the example of the operation of a normal commercial pump (not shown) that can be switched via a mains voltage:

For this purpose, the pump's power cable is first connected to one of the corresponding outputs O _x to 0 _N , for example to the first output Oi.

The user then inserts a mobile radio device 2 into the receptacle of the control unit 1 and thus automatically establishes the connection between the mobile radio device 2 and the control device 1 via the standard accessory interface 3. The mobile device also automatically offers a “Telematics Box *” user interface in the menu. With appropriate user guidance using this interface, an identifier in the form of the SMS message “pump on” is then entered via the mobile radio device 2. This SMS message is transmitted via the Programming port 5 forwarded to the controller unit 6 and stored there in the memory 8. Furthermore, this identifier can be assigned to the output Oi in the menu in the mobile radio device 2. This programming is also carried out via the interface 3, the interface unit 4 and the programming connection 5.

In order to switch on the pump, the mobile device 2 can then be selected at any time from any terminal and the SMS message “Pump on *” can be transmitted to this mobile device 2. The mobile radio device 2 forwards this SMS message via the interface 3, the interface unit 4 and the identifier input 7 to the output controller unit 6. In the output controller unit 6, the received SMS message is compared with the SMS messages stored there and it is found that it matches the stored message for the output Oi. The mains voltage at output Oi is then switched on and the pump is thus started. Of course, there is also the possibility to assign a second identifier to the output Oi, for example "Pump off *", with which the output Oi can be reset and the mains voltage can be switched off again. If another standard transmission method is used, for example a standard picture message, in the present example instead of the text “pump in *, a corresponding picture, for example the pictogram of a pump, can serve as an identifier. Of course, a combination of different data types, e.g. B. an image of a pump with the additional text "a *" can be used.

For control purposes, for example, a pressure sensor arranged in a line behind the pump is connected to one of the control inputs Ii to I _N , e.g. B. connected to the first control input Ii. This pressure sensor (not shown) sends a corresponding output signal when the pump pumps water. This signal is sent to the control input Ii OO ro P ¹ P "

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Claims

claims

1. A method for remote control of devices, in which the device is connected to a control output (Oi to 0 _N ) and / or a control input (I _λ to I _N ) of a control device, and the control device (1) for receiving and / or sending an identifier is connected to a mobile radio device (2) via a short-range interface (3), and in which a freely defined identifier is stored in the control device (1) and the control output (Oi to 0 _N ) and / or control input (Ii to I _N ), and in order to control the device from an end device using a standard information transmission method of a mobile radio network, an identifier is sent to the mobile radio device (2) and is automatically forwarded by the latter to the control device (1), and then the control device (1) compares the received identifier with the stored identifier and, if there is a match, connects the assigned control output (Oi to 0 _N ), and / or wherein to receive information from the device, when a signal is present at the control input (Ii to IN), the identifier previously assigned to this control input (I _x to I _N ) is transmitted to the mobile radio device (2), which automatically identifies the identifier by means of a standard - Information transmission method of a mobile radio network sends to a selected terminal.

2. The method according to claim 1, characterized in that the identifier comprises a text, image, voice or data message transmitted according to a mobile radio standard.

3. The method according to claim 2, characterized in that the identifier comprises an SMS message.

4th Method according to one of claims 1 to 3, since you rchgeke nn zeic hn et that the storage of the identifier and Assignment to a control output (Oi to ON) and / or control input (I ₁ to I _N ) is carried out using a mobile radio device (2) via the short-range interface (3).

5. The method according to any one of claims 1 to 4, characterized in that a standard accessory interface (3) of the mobile device (2) is used as a short-range interface (3) for communication between the mobile device (2) and the control device (1).

6. The method according to any one of claims 1 to 5, characterized in that the power supply for the device is switched by means of the control output of the control device.

7. Control device (1) for carrying out a method according to one of claims 1 to 7, with a short-range interface (3) for transmitting an identifier between the control device (1) and a mobile radio device (2), a control output (Oi to 0 _N ) and / or a control input (Ii to IN) for connection to a device to be operated, a memory (8, 11) for storing an identifier - means (3, 4, 5, 6, 9) for entering an identifier in the memory ( 8, 11) and for assigning this stored identifier to a control output (Oχ to 0 _N ) and / or control input (Ii to I _N ),

- Means (4, 6, 7) for comparing an identifier received by the mobile radio device (2) with the stored identifier and for connecting the control output (Oi to 0 _N ) if the identifiers match

- And / or means (4, 9, 10) for transmitting the stored identifier to the mobile radio device (2) upon receipt of a specific signal at the control input assigned to the identifier (Ii to I _N ).

8. Control device according to claim 7, characterized by means (6) for decoding an SMS message received by the mobile radio device (2) and / or means

(9) for coding an SMS message to be sent using the mobile radio device (2).

9. Control device according to claim 7 or 8, characterized in that the means (3, 4, 5, 6, 9) for entering and assigning the identifier, an interface (3) for entering the identifier and assignment parameters by means of the mobile radio device (2) include.

10. Control device according to one of claims 7 to 9, characterized in that the device has a receptacle for a mobile radio device and an interface arranged thereon, so that a mobile radio device in the receptacle is automatically connected to the device via the interface.

11. Control device according to one of claims 7 to 10, characterized in that the interface (3) comprises a standard accessory interface (3) of the mobile radio device (2).

12. Control device according to one of claims 7 to 11, characterized in that the control output is designed as a switched mains socket.

13. Mobile radio device (2) for performing a method according to one of claims 1 to 6, for connection to a

Control device (1) according to one of claims 7 to 12, with means for entering an identifier for storage in the control device (1) and assignment parameters for assigning the identifier to a control output (Oi to 0 _N ) and / or control input (Ii to I _N ) the control device (1).

14. System for performing a method according to one of claims 1 to 6, with a control device (1) according to one of claims 7 to 12 and a mobile radio device (2) according to claim 13.