EP3426987B1 - Apparatus for checking the operability of a heating system - Google Patents
Apparatus for checking the operability of a heating system Download PDFInfo
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- EP3426987B1 EP3426987B1 EP17712023.5A EP17712023A EP3426987B1 EP 3426987 B1 EP3426987 B1 EP 3426987B1 EP 17712023 A EP17712023 A EP 17712023A EP 3426987 B1 EP3426987 B1 EP 3426987B1
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- 238000010438 heat treatment Methods 0.000 title claims description 27
- 230000010365 information processing Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000013475 authorization Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000008672 reprogramming Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
Definitions
- the invention relates to a device for checking the operational readiness of a heating system according to the preamble of patent claim 1.
- a device for checking the operational readiness of a heating system according to the preamble of patent claim 1.
- Such a device is, for example DE 199 20 532 A1 known.
- Conventional heating systems have, for example, a boiler in which boiler water circulating in a boiler circuit is heated by a burner.
- the heated boiler water gives off thermal energy to one or more heating circuits or hot water circuits which are in heat exchange with it and represent the heat consumer of the heating system.
- These circuits have actuators with which, for example, pumps and/or control valves are controlled, in particular regulated, in the sense of an economical operation that is adapted to the energy requirements of the consumer.
- These actuators are connected to the control part via lines via which the respective control signals of the control part are fed to the actuators.
- sensors are also provided in the actuators having the controlled part of the heating system, which are also connected to the control part via lines on which feedback about the operating status of the controlled part is fed to the control part.
- a switch is usually provided on the control part, with which its power supply can be switched on and off and the heating system can thereby be put into its operational readiness or out of operational readiness.
- This switch is accessible to anyone who has access to the heating system and is therefore not subject to control. However, for economic or maintenance reasons, for example, it may be desirable to exercise operational readiness control. It is therefore an object of the present invention to specify a device for checking the operational readiness of a heating system.
- the device according to the invention is therefore based on the idea that if a connection between the control part and the part controlled by it that is necessary for the operational readiness of the heating system is interrupted, the operational readiness of the entire heating system is not given, but is established by closing this connection.
- this basic idea also includes specifying different levels of operational readiness, in which only part of the entire range of functions of the heating system is operational, for example only selected heating circuits or selected operating modes, and for each of these levels separate information is specified that is used to produce the relevant operational readiness level must be entered.
- the device according to the invention does not require any intervention in the control part or the part of the heating system controlled by it, since it only has to act on the connection in the sense of opening or closing this connection.
- This connection consists of individual lines or a bus line that extend between actuators or sensors of the controlled part of the heating system and the corresponding connections of the control part.
- the device has a switching element which is controlled between an open state and a closed state as a function of the information to be entered and which is in the relevant line is inserted, which is thereby interrupted or closed according to the switching state of the switching element.
- the manufacturer of the device can determine the predetermined information required to prepare the heating system for operation. As a result, only he and every other person to whom he informs about this is authorized to establish operational readiness.
- the information processing device has a real-time clock.
- the device can, for example, determine the point in time at which the predetermined information is entered using the input device.
- the information processing device it is particularly expedient for the information processing device to have a comparison device which is set up to compare a real-time value supplied by the real-time clock with a time value specified in the predetermined information and to switch the device to its blocked state depending on the result of the comparison. Defining the time value in the specified information required to establish operational readiness thus enables a manufacturer, for example, to limit the operating permit for the heating system in terms of time, and in particular to forcibly terminate operational readiness if necessary maintenance intervals are exceeded. The readiness for operation can then only be re-established by re-entering information suitable for canceling the blocked status.
- the input device has a device for reading out the predetermined information from an external storage medium.
- the predetermined information is not made available to the recipient in plain text, but is read into the device from the external storage medium without the recipient noticing.
- the predetermined information cannot be passed on or re-entered without being in possession of the external storage medium.
- a further advantageous embodiment provides that an output device is provided for writing information from the information processing device into an external storage medium.
- the input device is expediently designed as an input/output device.
- the information written in the external storage medium can be, for example, a count value which is each input of the predetermined information is decremented by one unit. If the external storage medium also contains the predetermined information to be entered, the current count value stored on it can be checked by the information processing device and the device can be kept in its locked state if this count value falls below a predetermined limit, for example the value zero. This means that the number of operating authorizations that can be assigned with this storage medium has been exhausted.
- the input device it is expedient for the input device to have a USB input/output interface.
- the external storage medium on which the predetermined information needed to establish operational readiness and possibly the counter value for the number of authorizations already granted is stored can be an easy-to-use USB stick.
- an expedient embodiment provides for the input device to have an SD card interface.
- the external storage medium is an SD card that is inserted into a card holder of the input device.
- the device is set up to exchange information between the device and the control part for setting its mode of operation.
- the information used to set the mode of operation of the control part can be, for example, parameter values which influence the mode of operation of an operating program running in the control part.
- it can also be program data that cause the entire operating program of the control part to be exchanged.
- basic parameterization can be entered into the control part or a basic program via the device, as a result of which the control part can be operated in accordance with a corresponding basic program.
- the information used to set the mode of operation of the control part can be made available to the device, for example by remote data transmission via a GPS module connected to the device.
- the device is set up to transfer the information used to set the mode of operation of the control part to the device from an external storage medium that can be coupled to it.
- the device is set up to establish a connection between the control part and an input device used to set the mode of operation, depending on the predetermined information entered using the input device To put information provided operating part of the control part from the locked state to the release state. This ensures that programming or reprogramming of the control part is only possible if the device is ready for operation by entering the predetermined information.
- the operating part can be a CAN touch screen (CAN touch screen) and its connection to the control part can be a CAN bus.
- the information used to set the mode of operation of the control part can be exchanged in such a way that the device first reads out and stores the information currently available in the control part, for example the current parameter values or current program data, using a program running in it.
- This program then runs through a query as to whether an external storage medium containing information for setting the operating mode of the control part is connected to the device. If necessary, it reads the information from the external storage medium into the device, which then forwards the information to the latter for reprogramming the control part. In the absence of an external storage medium, the device can return the stored information corresponding to the previous state to the control part.
- the device has a manipulation detection device and is set up to be set to the blocked state in response to a detection signal from the manipulation detection device.
- This manipulation detection device can be a sensor system that detects, for example, an interruption in a conductor caused by violent attempts to open a housing or accelerations caused by other acts of violence.
- the information processing device expediently has a microprocessor. All the functions of the device can be easily implemented by programming it.
- a heating system has a device 1 for checking its operational readiness.
- the device 1 is arranged between a control part 2 of the heating system, which is designed in particular in the form of a microprocessor, and a controlled part 3 of the heating system.
- the device 1 has a number of switch elements S1 to S7 which can be switched selectively between an open state and a closed state by an information processing device (not shown), which is provided in the device 1 and which can be a microprocessor.
- the switching elements S1 to S5 are each in a line L1 to L5 connecting the control part 2 to an actuator or sensor of the controlled part 3, whereas the switching elements S6 and S7 are each in a line L6 and L7 connecting the control part 2 to an operating part 4.
- the control panel 4 is a CAN touch screen, with the line L6 corresponding to CAN low and the line L7 corresponding to CAN high.
- the corresponding line L1 to L7 is therefore interrupted, while it is switched through in the closed state.
- the information exchange that takes place in the closed state between the control part 2 and the relevant actuator or sensor of the controlled part 3 is thus interrupted when the relevant switch element changes to its open state, so that the controlled or regulated operation of the heating system is no longer available.
- the connection between the control part 2 and the operating part 4 is interrupted by the transition of the switch elements S6 and S7 into their open state, so that no more information can be exchanged between the latter and the control part 2 either.
- lines L1, L2 and L3 can each be used to control the operation of a pump in a heating circuit or hot water circuit.
- Line L4 could be used to turn on and off a burner in the heating system.
- Line L6 could be a mains power supply line.
- the indicated input device 5 of the device 1 is designed, for example, in the form of a USB input/output interface or an SD card interface.
- Predetermined information is recorded on a corresponding external storage medium, for example a USB stick or an SD card, and is read into the information processing device of the device 1 from the external storage medium by means of the input device.
- the information processing device verifies the information read in and, in response thereto, switches all or a selection of the switch elements S1 to S7 identified by the predetermined information to their closed state. This ensures that the heating system is ready for operation in its entirety or in sub-areas corresponding to the selection of the switch elements.
- the input device 5 or a further input device of the device 1 provided for this purpose can also be used to read in information serving to set the mode of operation of the control part 2 from an external storage medium, for example a USB stick.
- the latter can, for example, contain parameter values with which the mode of operation of an operating program running in the control part is determined. Alternatively, it can also be program data that enable the entire operating program to be exchanged.
- the control part 2 are programmed or reprogrammed. According to this flowchart, the device 1 first reads out the information currently available in the control part 2 and stores it. A query is then made as to the presence of an external storage medium containing information used to set the mode of operation of the control part 2 .
- the device 1 transmits the information taken from the external storage medium to the control part 2, as a result of which this is programmed in accordance with the transmitted information. If no external storage medium is connected and the query is answered with "no", the program version previously read out and stored in the device 1 can be returned to the control part 2 .
- the information processing device can have a real-time clock. This makes it possible to provide the predetermined information that can be entered with the input device with a real-time indication, which prompts the information processing device to put the device 1 into its blocked state when its real-time clock indicates that the preset real time has been reached.
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Description
Die Erfindung bezieht sich auf eine Einrichtung zum Kontrollieren der Betriebsbereitschaft einer Heizungsanlage nach dem Oberbegriff des Patentanspruchs 1. Solch eine Einrichtung ist beispielsweise aus
Herkömmliche Heizungsanlagen weisen beispielsweise einen Heizkessel auf, in dem in einem Kesselkreislauf zirkulierendes Kesselwasser von einem Brenner aufgeheizt wird. Das aufgeheizte Kesselwasser gibt Wärmeenergie an einen oder mehrere damit in Wärmeaustausch stehende Heizkreisläufe oder Warmwasserkreisläufe ab, welche den Wärmeverbraucher der Heizungsanlage darstellen. Diese Kreisläufe weisen Aktoren auf, mit denen beispielsweise Pumpen und/oder Stellventile im Sinne eines wirtschaftlichen und an den Energiebedarf des Verbrauchers angepassten Betriebs gesteuert, insbesondere geregelt werden. Diese Aktoren sind an das Steuerteil über Leitungen angeschlossen, über die den Aktoren die jeweiligen Steuersignale des Steuerteils zugeleitet werden. Daneben sind in dem die Aktoren aufweisenden gesteuerten Teil der Heizungsanlage auch Sensoren vorgesehen, die ebenfalls an das Steuerteil über Leitungen angeschlossen sind, auf denen dem Steuerteil Rückmeldungen über Betriebszustände des gesteuerten Teils zugeführt werden.Conventional heating systems have, for example, a boiler in which boiler water circulating in a boiler circuit is heated by a burner. The heated boiler water gives off thermal energy to one or more heating circuits or hot water circuits which are in heat exchange with it and represent the heat consumer of the heating system. These circuits have actuators with which, for example, pumps and/or control valves are controlled, in particular regulated, in the sense of an economical operation that is adapted to the energy requirements of the consumer. These actuators are connected to the control part via lines via which the respective control signals of the control part are fed to the actuators. In addition, sensors are also provided in the actuators having the controlled part of the heating system, which are also connected to the control part via lines on which feedback about the operating status of the controlled part is fed to the control part.
An dem Steuerteil ist üblicherweise ein Schalter vorgesehen, mit dem dessen Stromversorgung ein- und ausgeschaltet und dadurch die Heizungsanlage in ihre Betriebsbereitschaft bzw. Außerbetriebsbereitschaft gesetzt werden kann. Dieser Schalter ist für jedermann zugänglich, der zu der Heizungsanlage Zutritt hat, und somit einer Kontrolle entzogen. Es kann jedoch beispielsweise aus wirtschaftlichen oder wartungstechnischen Gründen wünschenswert sein, eine Kontrolle über die Betriebsbereitschaft auszuüben. Deshalb ist es ein Ziel der vorliegenden Erfindung, eine Einrichtung zum Kontrollieren der Betriebsbereitschaft einer Heizungsanlage anzugeben.A switch is usually provided on the control part, with which its power supply can be switched on and off and the heating system can thereby be put into its operational readiness or out of operational readiness. This switch is accessible to anyone who has access to the heating system and is therefore not subject to control. However, for economic or maintenance reasons, for example, it may be desirable to exercise operational readiness control. It is therefore an object of the present invention to specify a device for checking the operational readiness of a heating system.
Erfindungsgemäß wird diese Aufgabe mit einer Einrichtung der eingangs genannten Art gelöst, welche die kennzeichnenden Merkmale des Patentanspruchs 1 aufweist.According to the invention, this object is achieved with a device of the type mentioned at the outset, which has the characterizing features of
Der erfindungsgemäßen Einrichtung liegt also der Gedanke zugrunde, dass bei einer Unterbrechung einer für die Betriebsbereitschaft der Heizungsanlage erforderlichen Verbindung zwischen deren Steuerteil und deren davon gesteuerten Teil die Betriebsbereitschaft der gesamten Heizungsanlage nicht gegeben ist, aber durch Schließen dieser Verbindung hergestellt wird. Letzteres ist aber nur für einen Anwender möglich, der im Besitz der vorbestimmten Information ist, ohne deren Eingabe die Einrichtung nicht in ihren Freigabezustand versetzbar ist. Dieser Grundgedanke schließt es insbesondere auch ein, verschiedene Stufen der Betriebsbereitschaft festzulegen, in denen jeweils nur ein Teil des gesamten Funktionsumfangs der Heizungsanlage betriebsbereit ist, beispielsweise nur ausgewählte Heizkreise oder ausgewählte Betriebsarten, und für jede dieser Stufen eine gesonderte Information festzulegen, die zur Herstellung der betreffenden Betriebsbereitschaftsstufe einzugeben ist.The device according to the invention is therefore based on the idea that if a connection between the control part and the part controlled by it that is necessary for the operational readiness of the heating system is interrupted, the operational readiness of the entire heating system is not given, but is established by closing this connection. However, the latter is only possible for a user who is in possession of the predetermined information, without the input of which the device cannot be put into its release state. In particular, this basic idea also includes specifying different levels of operational readiness, in which only part of the entire range of functions of the heating system is operational, for example only selected heating circuits or selected operating modes, and for each of these levels separate information is specified that is used to produce the relevant operational readiness level must be entered.
Die erfindungsgemäße Einrichtung erfordert keinen Eingriff in das Steuerteil oder den davon gesteuerten Teil der Heizungsanlage, da sie lediglich auf deren Verbindung im Sinne eines Öffnens oder Schließens dieser Verbindung einwirken muss. Diese Verbindung besteht aus Einzelleitungen oder einer Busleitung, die sich zwischen Aktoren bzw. Sensoren des gesteuerten Teils der Heizungsanlage und entsprechenden Anschlüssen des Steuerteils erstrecken. Für jede dieser Leitungen weist die Einrichtung ein in Abhängigkeit von der einzugebenden Information zwischen einem Öffnungszustand und einem Schließzustand gesteuertes Schaltelement auf, das in die betreffende Leitung eingefügt ist, die dadurch entsprechend dem Schaltzustand des Schaltelements unterbrochen oder geschlossen ist.The device according to the invention does not require any intervention in the control part or the part of the heating system controlled by it, since it only has to act on the connection in the sense of opening or closing this connection. This connection consists of individual lines or a bus line that extend between actuators or sensors of the controlled part of the heating system and the corresponding connections of the control part. For each of these lines, the device has a switching element which is controlled between an open state and a closed state as a function of the information to be entered and which is in the relevant line is inserted, which is thereby interrupted or closed according to the switching state of the switching element.
Die Festlegung der vorbestimmten Information, die zur Herstellung der Betriebsbereitschaft der Heizungsanlage benötigt wird, kann durch den Hersteller der Einrichtung erfolgen. Dadurch ist nur er und jede weitere Person, der er hiervon Mitteilung macht, zur Herstellung der Betriebsbereitschaft befähigt.The manufacturer of the device can determine the predetermined information required to prepare the heating system for operation. As a result, only he and every other person to whom he informs about this is authorized to establish operational readiness.
In einer zweckmäßigen Ausführungsform der erfindungsgemäßen Einrichtung ist vorgesehen, dass die Informationsverarbeitungseinrichtung eine Echtzeituhr aufweist. Hierdurch kann die Einrichtung beispielsweise den Zeitpunkt bestimmen, zu dem die vorbestimmte Information mittels der Eingabeeinrichtung eingegeben wird. Insbesondere ist es in diesem Zusammenhang zweckmäßig, dass die Informationsverarbeitungseinrichtung eine Vergleichseinrichtung aufweist, die dazu eingerichtet ist, einen von der Echtzeituhr gelieferten Echtzeitwert mit einem in der vorbestimmten Information festgelegten Zeitwert zu vergleichen und in Abhängigkeit von dem Vergleichsergebnis die Einrichtung in ihren Sperrzustand zu schalten. Die Festlegung des Zeitwertes in der zur Herstellung der Betriebsbereitschaft erforderlichen vorgegebenen Information ermöglicht es also beispielsweise einem Hersteller, die Betriebserlaubnis für die Heizungsanlage zeitlich zu begrenzen, insbesondere auch die Betriebsbereitschaft zwangsweise zu beenden, wenn notwendige Wartungsintervalle überschritten werden. Die Betriebsbereitschaft kann dann erst wieder durch die erneute Eingabe einer zur Aufhebung des Sperrzustands geeigneten Information hergestellt werden.In an expedient embodiment of the device according to the invention, it is provided that the information processing device has a real-time clock. In this way, the device can, for example, determine the point in time at which the predetermined information is entered using the input device. In this context, it is particularly expedient for the information processing device to have a comparison device which is set up to compare a real-time value supplied by the real-time clock with a time value specified in the predetermined information and to switch the device to its blocked state depending on the result of the comparison. Defining the time value in the specified information required to establish operational readiness thus enables a manufacturer, for example, to limit the operating permit for the heating system in terms of time, and in particular to forcibly terminate operational readiness if necessary maintenance intervals are exceeded. The readiness for operation can then only be re-established by re-entering information suitable for canceling the blocked status.
In einer vorteilhaften Ausführungsform ist vorgesehen, dass die Eingabeeinrichtung eine Einrichtung zum Auslesen der vorbestimmten Information aus einem externen Speichermedium aufweist. Dadurch wird die vorbestimmte Information dem Empfänger nicht im Klartext zur Verfügung gestellt, sondern ohne Kenntnisnahme des Empfängers von dem externen Speichermedium in die Einrichtung eingelesen. Eine Weiterverbreitung der vorbestimmten Information oder ein erneutes Eingeben, ohne im Besitz des externen Speichermediums zu sein, ist nicht möglich.In an advantageous embodiment it is provided that the input device has a device for reading out the predetermined information from an external storage medium. As a result, the predetermined information is not made available to the recipient in plain text, but is read into the device from the external storage medium without the recipient noticing. The predetermined information cannot be passed on or re-entered without being in possession of the external storage medium.
In einer weiteren vorteilhaften Ausgestaltung ist vorgesehen, dass eine Ausgabeeinrichtung zum Einschreiben von Information aus der Informationsverarbeitungseinrichtung in ein externes Speichermedium vorgesehen ist. Insbesondere ist zweckmäßigerweise die Eingabeeinrichtung als Eingabe/Ausgabeeinrichtung ausgebildet. Die in das externe Speichermedium eingeschriebene Information kann beispielsweise ein Zählwert sein, der bei jeder Eingabe der vorbestimmten Information um eine Einheit heruntergezählt wird. Wenn das externe Speichermedium gleichzeitig die einzugebende vorbestimmte Information enthält, kann der auf ihr abgespeicherte aktuelle Zählwert von der Informationsverarbeitungseinrichtung geprüft und die Einrichtung in ihrem Sperrzustand gehalten werden, wenn dieser Zählwert eine vorgegebene Schranke unterschreitet, beispielsweise den Wert Null hat. Dies bedeutet, dass die Anzahl der mit diesem Speichermedium vergebbaren Betriebsberechtigungen erschöpft ist.A further advantageous embodiment provides that an output device is provided for writing information from the information processing device into an external storage medium. In particular, the input device is expediently designed as an input/output device. The information written in the external storage medium can be, for example, a count value which is each input of the predetermined information is decremented by one unit. If the external storage medium also contains the predetermined information to be entered, the current count value stored on it can be checked by the information processing device and the device can be kept in its locked state if this count value falls below a predetermined limit, for example the value zero. This means that the number of operating authorizations that can be assigned with this storage medium has been exhausted.
In diesem Zusammenhang ist zweckmäßig vorgesehen, dass die Eingabeeinrichtung eine USB-Eingabe/Ausgabeschnittstelle aufweist. In diesem Fall kann das externe Speichermedium, auf dem die zur Herstellung der Betriebsbereitschaft benötigte vorbestimmte Information und ggf. der Zählwert für die Anzahl der bereits erteilten Berechtigungen abgespeichert ist, ein einfach zu handhabender USB-Stick sein. Alternativ oder zusätzlich ist in einer zweckmäßigen Ausführungsform vorgesehen, dass die Eingabeeinrichtung eine SD-Kartenschnittstelle aufweist. In diesem Fall ist das externe Speichermedium eine SD-Karte, die in einen Kartenhalter der Eingabeeinrichtung eingesteckt wird.In this context, it is expedient for the input device to have a USB input/output interface. In this case, the external storage medium on which the predetermined information needed to establish operational readiness and possibly the counter value for the number of authorizations already granted is stored can be an easy-to-use USB stick. Alternatively or additionally, an expedient embodiment provides for the input device to have an SD card interface. In this case, the external storage medium is an SD card that is inserted into a card holder of the input device.
Gemäß einem weiteren Gedanken der Erfindung ist vorgesehen, dass die Einrichtung dazu eingerichtet ist, zwischen der Einrichtung und dem Steuerteil zur Einstellung seiner Betriebsweise dienende Information auszutauschen. Bei der zur Einstellung der Betriebsweise des Steuerteils dienenden Information kann es sich beispielsweise um Parameterwerte handeln, welche die Betriebsweise eines in dem Steuerteil ablaufenden Betriebsprogramms beeinflussen. Es kann sich aber auch um Programmdaten handeln, die einen Austausch des gesamten Betriebsprogramms des Steuerteils bewirken. Auf diese Weise kann über die Einrichtung beispielsweise eine Grundparametrierung in das Steuerteil oder ein Basisprogramm eingegeben werden, wodurch das Steuerteil gemäß einem entsprechenden Grundprogramm betreibbar ist.According to a further idea of the invention, it is provided that the device is set up to exchange information between the device and the control part for setting its mode of operation. The information used to set the mode of operation of the control part can be, for example, parameter values which influence the mode of operation of an operating program running in the control part. However, it can also be program data that cause the entire operating program of the control part to be exchanged. In this way, for example, basic parameterization can be entered into the control part or a basic program via the device, as a result of which the control part can be operated in accordance with a corresponding basic program.
Der Einrichtung kann die zur Einstellung der Betriebsweise des Steuerteils dienende Information beispielsweise durch Datenfernübertragung über ein mit der Einrichtung verbundenes GPS-Modul zur Verfügung gestellt werden. Insbesondere ist zweckmäßigerweise vorgesehen, dass die Einrichtung dazu eingerichtet ist, die zur Einstellung der Betriebsweise des Steuerteils dienende Information an die Einrichtung aus einem mit ihr koppelbaren externen Speichermedium zu übergeben. Alternativ oder zusätzlich kann vorgesehen sein, dass die Einrichtung dazu eingerichtet ist, in Abhängigkeit von der mit der Eingabeeinrichtung eingegebenen vorbestimmten Information eine Verbindung zwischen dem Steuerteil und einem zur Eingabe der zur Einstellung der Betriebsweise dienenden Information vorgesehenen Bedienteil des Steuerteils aus dem Sperrzustand in den Freigabezustand zu versetzen. Hierdurch wird sichergestellt, dass eine Programmierung bzw. Umprogrammierung des Steuerteils nur dann möglich ist, wenn die Einrichtung durch Eingabe der vorbestimmten Information in Betriebsbereitschaft gesetzt ist. Die im Sperrzustand der Einrichtung vorliegende Trennung der Verbindung zwischen dem Steuerteil und dem Bedienteil hat nämlich zur Folge, dass Letzteres nicht auf das Steuerteil einwirken kann und insbesondere dessen Einstellung nicht verändert werden kann. Auch dies bedeutet eine zumindest teilweise Beschränkung der Betriebsbereitschaft der Heizungsanlage. Beispielsweise kann das Bedienteil ein CAN-Berührungsbildschirm (CAN Touch Screen) und dessen Verbindung mit dem Steuerteil ein CAN-Bus sein.The information used to set the mode of operation of the control part can be made available to the device, for example by remote data transmission via a GPS module connected to the device. In particular, it is expediently provided that the device is set up to transfer the information used to set the mode of operation of the control part to the device from an external storage medium that can be coupled to it. As an alternative or in addition, it can be provided that the device is set up to establish a connection between the control part and an input device used to set the mode of operation, depending on the predetermined information entered using the input device To put information provided operating part of the control part from the locked state to the release state. This ensures that programming or reprogramming of the control part is only possible if the device is ready for operation by entering the predetermined information. The separation of the connection between the control part and the operating part in the locked state of the device has the consequence that the latter cannot act on the control part and in particular its setting cannot be changed. This also means an at least partial limitation of the operational readiness of the heating system. For example, the operating part can be a CAN touch screen (CAN touch screen) and its connection to the control part can be a CAN bus.
Vorteilhaft kann der Austausch der zur Einstellung der Betriebsweise des Steuerteils dienenden Information derart ausgeführt werden, dass die Einrichtung mittels eines in ihr ablaufenden Programms zunächst die in dem Steuerteil aktuell vorhandene Information, beispielsweise die aktuellen Parameterwerte oder aktuellen Programmdaten, ausliest und abspeichert. Dann durchläuft dieses Programm eine Abfrage, ob an die Einrichtung ein zur Einstellung der Betriebsweise des Steuerteils dienende Information enthaltendes externes Speichermedium angeschlossen ist. Gegebenenfalls liest es die Information aus dem externen Speichermedium in die Einrichtung ein, welche sodann die Information zur Neuprogrammierung des Steuerteils an Letzteres weiterleitet. In Abwesenheit eines externen Speichermediums kann von der Einrichtung wieder die dem früheren Zustand entsprechende abgespeicherte Information an das Steuerteil zurückgegeben werden.Advantageously, the information used to set the mode of operation of the control part can be exchanged in such a way that the device first reads out and stores the information currently available in the control part, for example the current parameter values or current program data, using a program running in it. This program then runs through a query as to whether an external storage medium containing information for setting the operating mode of the control part is connected to the device. If necessary, it reads the information from the external storage medium into the device, which then forwards the information to the latter for reprogramming the control part. In the absence of an external storage medium, the device can return the stored information corresponding to the previous state to the control part.
In einer weiteren zweckmäßigen Ausgestaltung ist ferner vorgesehen, dass die Einrichtung eine Manipulationserfassungseinrichtung aufweist und dazu eingerichtet ist, ansprechend auf ein Erfassungssignal der Manipulationserfassungseinrichtung in den Sperrzustand versetzt zu werden. Bei dieser Manipulationserfassungseinrichtung kann es sich um eine Sensorik handeln, die beispielsweise eine durch gewaltsame Öffnungsversuche eines Gehäuses verursachte Unterbrechung eines Leiters oder durch sonstige Gewalteinwirkungen verursachte Beschleunigungen erkennt.In a further expedient refinement, it is also provided that the device has a manipulation detection device and is set up to be set to the blocked state in response to a detection signal from the manipulation detection device. This manipulation detection device can be a sensor system that detects, for example, an interruption in a conductor caused by violent attempts to open a housing or accelerations caused by other acts of violence.
Zweckmäßigerweise weist die Informationsverarbeitungseinrichtung einen Mikroprozessor auf. Durch dessen Programmierung lassen sich auf einfache Weise alle Funktionen der Einrichtung verwirklichen.The information processing device expediently has a microprocessor. All the functions of the device can be easily implemented by programming it.
In der folgenden Beschreibung wird die Erfindung unter Bezugnahme auf die Zeichnung beispielhaft erläutert. Hierin zeigen:
- Fig. 1
- ein Blockschema einer Heizungsanlage mit einer Einrichtung zum Kontrollieren ihrer Betriebsbereitschaft,
- Fig. 2
- ein Funktionsschema der in
Fig. 1 dargestellten Anlage und - Fig. 3
- ein Flussdiagramm eines in dem Funktionsschema von
Fig. 2 möglichen Funktionsablaufs.
- 1
- a block diagram of a heating system with a device for checking its operational readiness,
- 2
- a functional diagram of the in
1 shown system and - 3
- a flowchart of one in the functional scheme of
2 possible functional sequence.
Gemäß
Die Einrichtung 1 weist eine Anzahl von Schalterelementen S1 bis S7 auf, die durch eine in der Einrichtung 1 vorgesehene Informationsverarbeitungseinrichtung (nicht dargestellt), bei der es sich um einen Mikroprozessor handeln kann, selektiv zwischen einem Öffnungszustand und einem Schließzustand schaltbar sind. Die Schaltelemente S1 bis S5 liegen jeweils in einer den Steuerteil 2 mit einem Aktor oder Sensor des gesteuerten Teils 3 verbindenden Leitung L1 bis L5, wogegen die Schaltelemente S6 und S7 jeweils in einer den Steuerteil 2 mit einem Bedienteil 4 verbindenden Leitung L6 und L7 liegen. Insbesondere handelt es sich bei dem Bedienteil 4 um einen CAN Touch Screen, wobei dann die Leitung L6 CAN Low und die Leitung L7 CAN High entspricht. Im Öffnungszustand eines der Schalter S1 bis S7 ist also die entsprechende Leitung L1 bis L7 unterbrochen, während sie im Schließzustand durchgeschaltet ist. Der im Schließzustand stattfindende Informationsaustausch zwischen dem Steuerteil 2 und dem betreffenden Aktor oder Sensor des gesteuerten Teils 3 wird also beim Übergang des betreffenden Schalterelementes in seinen Öffnungszustand unterbrochen, so dass der hierdurch gesteuerte bzw. geregelte Betrieb der Heizungsanlage nicht mehr bereitsteht. Ferner wird durch den Übergang der Schalterelemente S6 und S7 in ihren Öffnungszustand die Verbindung zwischen dem Steuerteil 2 und dem Bedienteil 4 unterbrochen, so dass auch zwischen Letzterem und dem Steuerteil 2 kein Informationsaustausch mehr stattfinden kann.The
Beispielsweise können in dem dargestellten Ausführungsbeispiel die Leitungen L1, L2 und L3 jeweils zur Steuerung des Betriebs einer Pumpe eines Heizkreislaufs oder Warmwasserkreislaufs dienen. Die Leitung L4 könnte der Ein- und Aussteuerung eines Brenners der Heizungsanlage dienen. Bei der Leitung L6 könnte es sich um eine Netzstromversorgungsleitung handeln.For example, in the exemplary embodiment shown, lines L1, L2 and L3 can each be used to control the operation of a pump in a heating circuit or hot water circuit. Line L4 could be used to turn on and off a burner in the heating system. Line L6 could be a mains power supply line.
Eine in der schematischen Darstellung von
Die Eingabeeinrichtung 5 oder eine dafür vorgesehene weitere Eingabeeinrichtung der Einrichtung 1 kann auch dazu dienen, von einem externen Speichermedium, beispielsweise einem USB-Stick, zur Einstellung der Betriebsweise des Steuerteils 2 dienende Information einzulesen. Letztere kann beispielsweise Parameterwerte enthalten, mit denen die Betriebsweise eines in dem Steuerteil ablaufenden Betriebsprogramms bestimmt wird. Alternativ kann es sich auch um Programmdaten handeln, die den Austausch des gesamten Betriebsprogramms ermöglichen. Mittels der Einrichtung 1 kann dann gemäß dem in
Weiterhin kann die Informationsverarbeitungseinrichtung eine Echtzeituhr aufweisen. Dadurch ist es möglich, die mit der Eingabeeinrichtung eingebbare vorbestimmte Information mit einer Echtzeitangabe zu versehen, durch die die Informationsverarbeitungseinrichtung dazu veranlasst wird, die Einrichtung 1 in ihren Sperrzustand zu versetzen, wenn ihre Echtzeituhr die Erreichung der voreingestellten Echtzeit anzeigt.Furthermore, the information processing device can have a real-time clock. This makes it possible to provide the predetermined information that can be entered with the input device with a real-time indication, which prompts the information processing device to put the
- 11
- Einrichtung zum Kontrollieren der BetriebsbereitschaftDevice for checking operational readiness
- 22
- Steuerteilcontrol part
- 33
- gesteuerter Teilcontrolled part
- S1 ... S7S1...S7
- Schalterelementswitch element
- L1 ... L7L1...L7
- LeitungManagement
- 44
- Bedienteilcontrol panel
- 55
- Eingabeeinrichtunginput device
Claims (12)
- A device for checking the operability of a heating system comprising a control part (2), a part (3) controlled by the control part (2) and a connection (L1 to L7) between the control part (2) and the controlled part (3), wherein the connection consists of single lines or a bus line extending between actuators and sensors of the controlled part (3) and the corresponding terminals on the control part (2), and wherein the device (1) comprises an information input device and an information processing device connected thereto which is configured to switch the device (1) from a locked state to a released state, depending on predefined information entered using the input device, characterised in that the device comprises, for each of said lines, a switching element (S1 to S7) which is controlled between an open state and closed state depending on the information to be entered, which switching component is inserted into the respective line, which is thus interrupted in the locked state or closed in the released state according to the switching state of the switching element.
- The device in accordance with claim 1, characterised in that the information processing device comprises a real-time clock.
- The device in accordance with claim 2, characterised in that the information processing device comprises a comparator which is configured to compare a real-time value provided by the real-time clock with a time value specified in the predefined information and to switch the device to its locked state depending on the result of the comparison.
- The device in accordance with one of claims 1 to 3, characterised in that the input device comprises a device for reading the predefined information from an external storage medium.
- The device in accordance with one of claims 1 to 4, characterised in that an output device for writing information from the information processing device to an external storage medium is provided.
- The device in accordance with one of claims 1 to 5, characterised in that the input device comprises a USB input/output interface.
- The device in accordance with one of claims 1 to 6, characterised in that the input device comprises an SD card interface.
- The device in accordance with one of claims 1 to 7, characterised in that the device is configured to exchange information used to set the operating mode of the control part (2) between the device (1) and control part (2).
- The device in accordance with claim 8, characterised in that the device is configured to switch a connection between the control part (2) and an operating device (4), provided to input the information used to set the operating mode, of the control part (2) from the locked state to the released state, depending on the predefined information input by the input device.
- The device in accordance with claim 8 or 9, characterised in that the device is configured to transfer the information used to set the operating mode of the control part (2) to the device (1) from an external storage medium connectable thereto.
- The device in accordance with one of claims 1 to 10, characterised in that the device (1) comprises a manipulation detecting device and is configured to be switched to the locked state in response to a detection signal from the manipulation detecting device.
- The device in accordance with one of claims 1 to 11, characterised in that the information processing device comprises a microprocessor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016002794.0A DE102016002794A1 (en) | 2016-03-07 | 2016-03-07 | Apparatus and method for controlling the operational readiness of a heating system |
| PCT/EP2017/000290 WO2017153041A1 (en) | 2016-03-07 | 2017-03-03 | Apparatus and method for checking the operability of a heating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3426987A1 EP3426987A1 (en) | 2019-01-16 |
| EP3426987B1 true EP3426987B1 (en) | 2022-09-21 |
Family
ID=58360954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17712023.5A Active EP3426987B1 (en) | 2016-03-07 | 2017-03-03 | Apparatus for checking the operability of a heating system |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3426987B1 (en) |
| DE (1) | DE102016002794A1 (en) |
| WO (1) | WO2017153041A1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE374219B (en) * | 1973-09-12 | 1975-02-24 | Tour Agenturer Ab | |
| AT400626B (en) * | 1994-04-14 | 1996-02-26 | Vaillant Gmbh | HEATING SYSTEM |
| DE19907337C2 (en) * | 1999-02-20 | 2002-02-28 | Diehl Stiftung & Co | Time control device for a heating system |
| DE19920532A1 (en) * | 1999-05-05 | 2000-11-16 | Mika Heiztechnik Gmbh | Device for monitoring operating parameters on systems having an electrical or electronic control device |
| DE20018584U1 (en) * | 2000-10-31 | 2001-02-22 | Viessmann Werke Kg | Heating system |
| CN101861497A (en) * | 2007-08-03 | 2010-10-13 | 郭童然 | The heating control system and method for saving energy |
| GB2509156B (en) * | 2012-12-21 | 2015-08-05 | Nitronica Ltd | A device and method for heating system control and monitoring |
-
2016
- 2016-03-07 DE DE102016002794.0A patent/DE102016002794A1/en not_active Withdrawn
-
2017
- 2017-03-03 EP EP17712023.5A patent/EP3426987B1/en active Active
- 2017-03-03 WO PCT/EP2017/000290 patent/WO2017153041A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017153041A1 (en) | 2017-09-14 |
| DE102016002794A1 (en) | 2017-09-07 |
| EP3426987A1 (en) | 2019-01-16 |
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