EP2546579B1 - Security seal mechanism - Google Patents
Security seal mechanism Download PDFInfo
- Publication number
- EP2546579B1 EP2546579B1 EP12173747.2A EP12173747A EP2546579B1 EP 2546579 B1 EP2546579 B1 EP 2546579B1 EP 12173747 A EP12173747 A EP 12173747A EP 2546579 B1 EP2546579 B1 EP 2546579B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- seal body
- front part
- seal
- mechanism according
- heat cost
- 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.)
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Links
- 230000002427 irreversible effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 description 32
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/03—Forms or constructions of security seals
- G09F3/0305—Forms or constructions of security seals characterised by the type of seal used
- G09F3/0317—Forms or constructions of security seals characterised by the type of seal used having bolt like sealing means
Definitions
- the invention relates to a sealing mechanism for securing a device, in particular a heat cost allocator, against attempts at manipulation.
- Heat cost allocators are devices for the consumption-based calculation of heating costs.
- a heat cost allocator consists of a back part, mostly made of metal, which is connected to a radiator at a defined point in a thermally conductive manner, and a front part, which contains the actual measuring device and is attached to the back part.
- the heat cost allocator is sealed, which prevents unauthorized access to the inside of the heat cost allocator, in particular by removing the front part from the back part, or should only be possible through visible damage to the seal.
- the heat cost allocator is usually secured with a separate seal after it has been installed on the radiator.
- this has the disadvantage that the seals have to be kept separately.
- it cannot be ruled out that a consumer obtains a suitable seal and reseals a device after manipulation, so that the manipulation cannot be directly detected from the outside.
- the DE 28 51 122 A1 shows a heat cost allocator, the cover of which is secured by a seal at the lower end of the device.
- an additional screw lock is proposed that engages the head of a fastening screw of the heat cost allocator.
- a locking pin can be displaced to a limited extent transversely to the screw head and cannot be lost, in that the stop head of the locking pin can only be raised as far as a stop allows.
- a sealing mechanism for a heat cost allocator with the features of the preamble of claim 1 is known.
- a seal is inserted flush into the front part of the heat cost allocator and locks it to the back part.
- the seal is already attached to the front part during manufacture, in that it is partially inserted into this, so that hook-like projections of the seal engage behind the contact areas of the front part.
- the seal can be pushed further into the front part until the projections engage behind contact areas of the front part that are further inside. The transfer to this mounting position is irreversible.
- the object of the invention is to create a sealing mechanism which avoids the above-mentioned disadvantages and also offers functionality that goes beyond simply securing the device to be protected.
- the sealing mechanism according to the invention for securing a heat cost allocator against attempts at manipulation comprises a front part, a back part and a seal body.
- the front part and the seal body form a pre-assembled assembly so that the seal body is held captive on the front part.
- the seal body can only be transferred from a defined first position into a defined second position which is different from the defined first position and in which a securing element of the back part prevents the front part from being removed from the back part without damage.
- the securing element is a securing hook formed on the back of the heat cost allocator. The seal body does not come into contact with the securing element in the defined first position.
- a part of a securing section of the seal body opposite a contact section of the seal body comes to lie behind the securing element.
- the seal body can only be transferred from the defined second position into a defined third position, which is different from the first position and from the second position and in which the Securing element allows a damage-free removal of the front part.
- the security element comes to rest in front of a first lateral recess in a release section of the seal body, so that the seal body can be moved past the security element.
- a mandrel visibly protrudes from the front part. When the seal body is transferred from the defined second to the defined third position, the mandrel visibly damages the front part.
- the sealing mechanism according to the invention provides a firm coupling of the seal body and the front part.
- a heat cost allocator in particular the front part carrying all the metrologically relevant components or a housing part is already firmly bound to a specific seal body upon delivery. It is not possible to remove the seal body without damaging the front part, so that unauthorized subsequent sealing is prevented or is immediately recognizable.
- the risk of misuse of brand-new or dismantled heat cost allocators through unauthorized fitting of these devices with seals from the manufacturer for unlawful installation on radiators is significantly reduced by the principle of the invention of firmly coupling a front part to a certain seal body.
- the seal body can only be moved from a defined first position, which, for example, marks the delivery state of the device, into a defined second position, which, for example, marks the regular operating state of the device, and from the defined second position only into a defined third position. which, for example, marks the unsealed state of the device.
- a securing element In the defined third position of the seal body, a securing element then allows the front part to be removed without damage.
- the defined second position of the seal body, in which prevents the securing element from being removed without damage to the front part should correspond to a sealed state of the device.
- the seal body can assume several defined, visually distinguishable positions relative to the front part, and the transfer from one defined position to another defined position is irreversible in each case.
- the seal body can be used to clearly indicate different chronologically occurring (operating) states in the life cycle of the device. "Irreversible” is to be understood here as meaning that the seal body cannot be transferred to a previous position without damaging the sealing mechanism or the front part.
- the sealing mechanism according to the invention preferably comprises a latching mechanism formed on the front part and on the seal body, which makes the transfer of the seal body into a defined position irreversible.
- the latching mechanism can have at least one ramp-shaped latching projection and at least one ramp-shaped latching recess.
- the ramp-shaped design of the locking projection and the locking recess effectively prevents the seal body from moving back as soon as the locking projection is snapped into the locking recess.
- the seal body visibly protrudes from the front part in the defined first position.
- a securing section of the seal body can come to lie behind the securing element in the defined second position.
- the seal body is flush with a side wall of the front part in this position.
- the seal body does not offer any contact surface that could stimulate pulling out of the front part.
- the securing element can in particular a on the back part, for. B. be on the back of a heat cost allocator, formed safety hook behind which comes to rest a recess of the seal body in the defined third position.
- the defined third position of the seal body is to correspond to an unsealed state of the device, it is expedient that a mandrel visibly protrudes from the front part in this position so that this state can be clearly identified.
- the mandrel visibly damages the front part when the seal body is transferred from the defined second to the defined third position. Further (unauthorized) use of the device can thus be easily determined.
- the seal body is held in a defined manner in the front part and can be transferred into the various defined positions without jamming or the like, the seal body is guided in a receptacle in the front part by means of at least one guide rail and at least one guide groove.
- the defined first position of the sealing body indicates a delivery status of the heat cost allocator.
- the defined second position of the sealing body indicates a regular operating state of the heat cost allocator.
- the defined third position of the sealing body indicates an unsealed state of the heat cost allocator.
- FIG. 1 a front part 10 and a back part 12 of an electronic heat cost allocator are shown.
- the front part 10 all metrologically relevant components of the heat cost allocator are housed behind a plastic cover, while the back part 12 made of a metal with good thermal conductivity (e.g. aluminum) serves to thermally couple the heat cost allocator to the radiator.
- a metal with good thermal conductivity e.g. aluminum
- the essentially plate-like back part 12 has two assembly openings 14 which are provided for attachment to the radiator by means of screw bolts. In principle, it is also possible to glue or weld the back part 12 to the radiator. At an upper end of the elongated A plurality of projections 16 are formed on the back part 12. A securing hook 18 with a base section 22 protruding perpendicularly from the adjoining plate section 20 of the back part 12 and an angled holding section 24 extending substantially parallel to the plate section 20 rises from the opposite lower end.
- a sealing mechanism is provided, which is explained in detail below.
- An essential part of the sealing mechanism is an elongated seal body 26 made of a very stable material, which is in the Figures 2 and 3 is shown individually.
- the seal body 26 has an elongated, cylindrical base body 28 and a mandrel 30 which adjoins the base body 28 concentrically in the axial direction (longitudinal direction) and has a tip 32 facing away from the base body 28.
- the mandrel 30 has a significantly smaller diameter than the base body 28.
- the base body 28 has several recesses and can be divided into three axial sections.
- a first section referred to as end section 34, has a ramp-shaped first latching recess 36 on the outer circumference and a first guide groove 38 with a base 40 spaced apart therefrom in the circumferential direction and running in the longitudinal direction of the seal body 26.
- the first guide groove 38 does not extend over the entire length of the end section 34, but ends in front of the free end face of the end section 34.
- the end face of the end section 34 opposite the free end face has a chamfered edge.
- a second section of the base body 28, referred to as the release section 42 has a ramp-shaped second latching recess 44 and a first lateral recess 46, which is slightly spaced from the central axis A of the base body 28, and an adjoining second lateral recess 48 Recesses 46, 48 are oriented perpendicular to one another.
- the base surface 52 of the second lateral recess 48 merges steplessly into the bottom 40 of the first guide groove 38 of the end section 34.
- On the diametrically opposite side of the The release section 42 is a substantially symmetrical to the second lateral recess 48 (in the Figures 2 and 3 not visible) third lateral recess formed.
- a third section of the base body 28, designated as securing section 54, has a ramp-shaped third latching recess 56 and a fourth lateral recess 58, which has the same orientation as the second lateral recess 48 of the release section 42.
- the base areas 52 and 60 of the second and fourth lateral recesses 48 and 58 merge into one another in a stepless manner.
- the fourth lateral recess 58 is delimited on one side by a contact section 62 with a contact surface 64, which represents an extension of a side wall 66 of the first guide groove 38 interrupted in the release section 42.
- the opposite side wall of the first guide groove 38 is not extended in the securing section 54.
- the three ramp-shaped latching recesses 36, 44, 56 are arranged linearly one behind the other in the axial direction and are part of an irreversible latching mechanism, which will be explained later in connection with the functioning of the sealing mechanism.
- a receptacle made of plastic for the seal body 26 is formed in the lower part of the front part 10.
- the receptacle has two opposing guide rails 68, which extend from a first side wall 70 of the front part 10 transversely to its longitudinal direction, but not over the entire width of the front part 10.
- On a side wall 72 of the receptacle running parallel to the guide rails 68 is a Ramp-shaped latching projection 74 coordinated with latching recesses 36, 44, 56 is formed.
- an insertion opening 78 is formed, the diameter of which is slightly larger than the maximum diameter of the seal body 26.
- the side of the front part facing the back part 12 10 is either open in the area of the receptacle or covered by a base which has an opening below the receptacle.
- the front part 10 forms a preassembled assembly with the seal body 26, i. H. the front part 10 is supplied with an integrated seal body 26.
- the receptacle of the front part 10 is designed overall so that the seal body 26 can be pushed into the front part 10 in the axial direction through the insertion opening 78 in the second side wall 76.
- the ramp-shaped latching projection 74 and the ramp-shaped third latching recess 56 are matched to one another in such a way that the seal body 26 can no longer be pulled out of the front part 10 as soon as the latching projection 74 is snapped into the first latching recess 36.
- the seal body 26 is thus held captive on the front part 10.
- the seal body 26 takes the into Figures 4 and 5 defined first position shown.
- the front guide rail 68 of the receptacle rests on the contact surface 64 of the seal body 26, and the rear guide rail 68 engages in the (in the Figures 4 and 5 (not visible) extension of the second guide groove of the seal body 26.
- the seal body 26 is thus secured against slipping in directions perpendicular to the guide rails 68.
- the back part 12 In order to attach the heat cost allocator to a radiator, the back part 12 is first screwed firmly to the radiator at a predetermined point in an orientation in which the projections 16 point upwards, unless it has already been pre-assembled.
- the front part 10, which is matched in length and width to the back part 12, is then hung on the projections 16.
- the front part 10 has several (in Figure 1 barely noticeable) openings.
- the projections 16 of the back part 12 are then guided from the inside through the openings in the front part 10. With a pivoting movement, the lower end of the front part 10 is over the lower end of the back part 12 until the front part 10 comes to lie completely on the back part 12.
- the seal body 26 When the heat cost allocator is mounted on the radiator and is to be put into operation, the seal body 26 is pushed so far in the axial direction into the front part 10 until the locking projection 74 snaps into the second locking recess 44, as in the Figures 6 to 8 shown. Due to the ramp-shaped design of the locking projection 74 and the second locking recess 44, it is no longer possible to move the seal body 26 back. In this defined second position of the seal body 26, the part of the securing section 54 opposite the contact section 62 comes to lie behind the securing hook 18 of the back part 12, more precisely behind its holding section 24. In this state, it is not possible to remove the front part 10 from the back part 12 without causing visible damage to the heat cost allocator. The heat cost allocator is now sealed and ready for use.
- the operating state of the heat cost allocator can be seen from the outside in that the end section 34 of the seal body 26 is flush with the second side wall 76 of the front part 10.
- the spike 30 breaks through the first side wall 70 of the front part 10 with its tip 32.
- the unsealed state of the heat cost allocator is thus clearly recognizable.
- the sealing mechanism thus provides that the sealing body 26 can assume several defined, visually distinguishable positions relative to the front part 10, to which different states of the heat cost allocator are assigned.
- the transfer of the seal body 26 into the individual positions can only be carried out in one direction and is irreversible.
- the seal body 26 can only be moved from the first defined position into the second defined position and from the second defined position only into the third defined position.
- sealing mechanism described is not limited to use in a heat cost allocator, but can be used in other devices that are to be secured against manipulation and sealed.
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- Computer Security & Cryptography (AREA)
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- Gasket Seals (AREA)
Description
Die Erfindung betrifft einen Plombierungsmechanismus zur Sicherung einer Vorrichtung, insbesondere eines Heizkostenverteilers, vor Manipulationsversuchen.The invention relates to a sealing mechanism for securing a device, in particular a heat cost allocator, against attempts at manipulation.
Heizkostenverteiler sind Geräte sind zur verbrauchsabhängigen Berechnung von Heizkosten. In der Regel besteht ein Heizkostenverteiler aus einem Rückenteil, meistens aus Metall, das an einer definierten Stelle wärmeleitend mit einem Heizkörper verbunden wird, und einem Vorderteil, das die eigentliche Messvorrichtung enthält und auf das Rückenteil aufgesteckt wird. Zum Schutz vor Manipulation wird der Heizkostenverteiler verplombt, wodurch ein unberechtigter Eingriff in das Innere des Heizkostenverteilers, insbesondere durch ein Abnehmen des Vorderteils vom Rückenteil, verhindert werden bzw. nur durch eine sichtbare Beschädigung der Plombe möglich sein soll.Heat cost allocators are devices for the consumption-based calculation of heating costs. As a rule, a heat cost allocator consists of a back part, mostly made of metal, which is connected to a radiator at a defined point in a thermally conductive manner, and a front part, which contains the actual measuring device and is attached to the back part. To protect against manipulation, the heat cost allocator is sealed, which prevents unauthorized access to the inside of the heat cost allocator, in particular by removing the front part from the back part, or should only be possible through visible damage to the seal.
Üblicherweise wird der Heizkostenverteiler nach erfolgter Montage am Heizkörper mit einer separaten Plombe gesichert. Dies hat jedoch den Nachteil, dass die Plomben eigens vorgehalten werden müssen. Außerdem ist es nicht auszuschließen, dass ein Verbraucher sich eine passende Plombe beschafft und ein Gerät nach einer Manipulation neu verplombt, sodass die Manipulation äußerlich nicht unmittelbar nachweisbar ist.The heat cost allocator is usually secured with a separate seal after it has been installed on the radiator. However, this has the disadvantage that the seals have to be kept separately. In addition, it cannot be ruled out that a consumer obtains a suitable seal and reseals a device after manipulation, so that the manipulation cannot be directly detected from the outside.
Die
Aus der
Aufgabe der Erfindung ist es, einen Plombierungsmechanismus zu schaffen, der die oben genannten Nachteile vermeidet und zudem eine über die reine Sicherung der zu schützenden Vorrichtung hinausgehende Funktionalität bietet.The object of the invention is to create a sealing mechanism which avoids the above-mentioned disadvantages and also offers functionality that goes beyond simply securing the device to be protected.
Gelöst wird diese Aufgabe durch einen Plombierungsmechanismus mit den Merkmalen des Anspruchs 1. Vorteilhafte und zweckmäßige Ausgestaltungen des erfindungsgemäßen Plombierungsmechanismus sind in den Unteransprüchen angegeben.This object is achieved by a sealing mechanism having the features of claim 1. Advantageous and useful embodiments of the sealing mechanism according to the invention are specified in the subclaims.
Der erfindungsgemäße Plombierungsmechanismus zur Sicherung eines Heizkostenverteilers vor Manipulationsversuchen umfasst ein Vorderteil, ein Rückenteil, und einen Plombenkörper. Das Vorderteil und der Plombenkörper bilden eine vormontierte Baugruppe, sodass der Plombenkörper unverlierbar am Vorderteil gehalten ist. Der Plombenkörper ist aus einer definierten ersten Position nur in eine definierte zweite Position überführbar, die von der definierten ersten Position verschieden ist und in der ein Sicherungselement des Rückenteils ein beschädigungsfreies Abnehmen des Vorderteils vom Rückenteil verhindert. Das Sicherungselement ist ein am Rückenteil des Heizkostenverteilers gebildeter Sicherungshaken. Der Plombenkörper kommt in der definierten ersten Position nicht mit dem Sicherungselement in Berührung. In der definierten zweiten Position des Plombenkörpers kommt ein einem Anlageabschnitt des Plombenkörpers gegenüberliegender Teil eines Sicherungsabschnitts des Plombenkörpers hinter dem Sicherungselement zu liegen. Der Plombenkörper ist aus der definierten zweiten Position nur in eine definierte dritte Position überführbar, die von der ersten Position und von der zweiten Position verschieden ist und in der das Sicherungselement ein beschädigungsfreies Abnehmen des Vorderteils erlaubt. In der definierten dritten Position des Plombenkörpers kommt das Sicherungselement vor einer ersten seitlichen Ausnehmung eines Freigabeabschnitts des Plombenkörpers zu liegen, sodass der Plombenkörper am Sicherungselement vorbeibewegt werden kann. In der definierten dritten Position des Plombenkörpers ragt ein Dorn sichtbar aus dem Vorderteil heraus. Beim Überführen des Plombenkörpers von der definierten zweiten in die definierte dritte Position beschädigt der Dorn das Vorderteil sichtbar.The sealing mechanism according to the invention for securing a heat cost allocator against attempts at manipulation comprises a front part, a back part and a seal body. The front part and the seal body form a pre-assembled assembly so that the seal body is held captive on the front part. The seal body can only be transferred from a defined first position into a defined second position which is different from the defined first position and in which a securing element of the back part prevents the front part from being removed from the back part without damage. The securing element is a securing hook formed on the back of the heat cost allocator. The seal body does not come into contact with the securing element in the defined first position. In the defined second position of the seal body, a part of a securing section of the seal body opposite a contact section of the seal body comes to lie behind the securing element. The seal body can only be transferred from the defined second position into a defined third position, which is different from the first position and from the second position and in which the Securing element allows a damage-free removal of the front part. In the defined third position of the seal body, the security element comes to rest in front of a first lateral recess in a release section of the seal body, so that the seal body can be moved past the security element. In the defined third position of the seal body, a mandrel visibly protrudes from the front part. When the seal body is transferred from the defined second to the defined third position, the mandrel visibly damages the front part.
Der erfindungsgemäße Plombierungsmechanismus sieht eine feste Kopplung von Plombenkörper und Vorderteil vor. Im Falle eines Heizkostenverteilers ist insbesondere das alle messtechnisch relevanten Komponenten tragende Vorderteil oder ein Gehäuseteil bereits bei Auslieferung fest an einen bestimmten Plombenkörper gebunden. Ein Entfernen des Plombenkörpers ist ohne Beschädigung des Vorderteils nicht möglich, sodass ein unbefugtes nachträgliches Plombieren verhindert wird bzw. ohne Weiteres sofort erkennbar ist. Das Risiko eines Missbrauchs von fabrikneuen oder demontierten Heizkostenverteilern durch nicht autorisierte Bestückung dieser Geräte mit Plomben des Herstellers für eine widerrechtliche Montage an Heizkörpern wird durch das erfindungsgemäße Prinzip der festen Kopplung eines Vorderteils an einen bestimmten Plombenkörper erheblich reduziert. Dies begründet sich in erster Linie schon dadurch, dass die Zahl der in Verkehr gebrachten Heizkostenverteiler mit der der dafür vorgesehenen Plombenkörper balanciert ist. Die "vorplombierten" Vorrichtungen verlassen die Fertigung mit bereits funktionell und mechanisch verbundenem Plombenkörper und können somit logistisch (Lagerung, Transport, etc.) als ein Teil behandelt werden. Die Vorhaltung und Verteilung separater Plombenkörper entfällt.The sealing mechanism according to the invention provides a firm coupling of the seal body and the front part. In the case of a heat cost allocator, in particular the front part carrying all the metrologically relevant components or a housing part is already firmly bound to a specific seal body upon delivery. It is not possible to remove the seal body without damaging the front part, so that unauthorized subsequent sealing is prevented or is immediately recognizable. The risk of misuse of brand-new or dismantled heat cost allocators through unauthorized fitting of these devices with seals from the manufacturer for unlawful installation on radiators is significantly reduced by the principle of the invention of firmly coupling a front part to a certain seal body. This is primarily due to the fact that the number of heat cost allocators brought into circulation is balanced with the number of seals provided for this purpose. The "pre-sealed" devices leave the production facility with the seal body already functionally and mechanically connected and can thus be treated logistically (storage, transport, etc.) as one part. The provision and distribution of separate seal bodies is no longer necessary.
Gemäß der Erfindung ist der Plombenkörper aus einer definierten ersten Position, die beispielsweise den Auslieferungszustand der Vorrichtung markiert, nur in eine definierte zweite Position, die beispielsweise den regulären Betriebszustand der Vorrichtung markiert, und aus der definierten zweiten Position nur in eine definierte dritte Position überführbar, die beispielsweise den entsiegelten Zustand der Vorrichtung markiert. In der definierten dritten Position des Plombenkörpers erlaubt dann ein Sicherungselement ein beschädigungsfreies Abnehmen des Vorderteils. Die definierte zweite Position des Plombenkörpers, in der das Sicherungselement ein beschädigungsfreies Abnehmen des Vorderteils verhindert, soll einem versiegelten Zustand der Vorrichtung entsprechen.According to the invention, the seal body can only be moved from a defined first position, which, for example, marks the delivery state of the device, into a defined second position, which, for example, marks the regular operating state of the device, and from the defined second position only into a defined third position. which, for example, marks the unsealed state of the device. In the defined third position of the seal body, a securing element then allows the front part to be removed without damage. The defined second position of the seal body, in which prevents the securing element from being removed without damage to the front part should correspond to a sealed state of the device.
Gemäß einem besonders vorteilhaften Aspekt der Erfindung kann der Plombenkörper relativ zum Vorderteil mehrere definierte, visuell unterscheidbare Positionen einnehmen, und die Überführung von einer definierten Position in eine andere definierte Position ist jeweils irreversibel. Auf diese Weise kann der Plombenkörper dazu verwendet werden, verschiedene chronologisch auftretende (Betriebs)zustände im Lebenszyklus der Vorrichtung eindeutig anzuzeigen. Unter "irreversibel" ist hier zu verstehen, dass eine Überführung des Plombenkörpers in eine vorherige Position nicht ohne eine Beschädigung des Plombierungsmechanismus oder des Vorderteils möglich ist.According to a particularly advantageous aspect of the invention, the seal body can assume several defined, visually distinguishable positions relative to the front part, and the transfer from one defined position to another defined position is irreversible in each case. In this way, the seal body can be used to clearly indicate different chronologically occurring (operating) states in the life cycle of the device. "Irreversible" is to be understood here as meaning that the seal body cannot be transferred to a previous position without damaging the sealing mechanism or the front part.
Vorzugsweise umfasst der erfindungsgemäße Plombierungsmechanismus einen am Vorderteil und am Plombenkörper gebildeten Rastmechanismus, der die Überführung des Plombenkörpers in eine definierte Position irreversibel macht.The sealing mechanism according to the invention preferably comprises a latching mechanism formed on the front part and on the seal body, which makes the transfer of the seal body into a defined position irreversible.
Hierzu kann der Rastmechanismus wenigstens einen rampenförmigen Rastvorsprung und wenigstens eine rampenförmige Rastausnehmung aufweisen. Die rampenförmige Ausbildung des Rastvorsprungs und der Rastausnehmung verhindert effektiv ein Zurückbewegen des Plombenkörpers, sobald der Rastvorsprung in die Rastausnehmung eingeschnappt ist.For this purpose, the latching mechanism can have at least one ramp-shaped latching projection and at least one ramp-shaped latching recess. The ramp-shaped design of the locking projection and the locking recess effectively prevents the seal body from moving back as soon as the locking projection is snapped into the locking recess.
Um die definierte erste Position des Plombenkörpers von außen deutlich erkennbar zu machen, kann vorgesehen sein, dass der Plombenkörper in der definierten ersten Position aus dem Vorderteil sichtbar herausragt.In order to make the defined first position of the seal body clearly recognizable from the outside, it can be provided that the seal body visibly protrudes from the front part in the defined first position.
Hinter dem Sicherungselement kann in der definierten zweiten Position ein Sicherungsabschnitt des Plombenkörpers zu liegen kommen.A securing section of the seal body can come to lie behind the securing element in the defined second position.
Um die zweite definierte Position des Plombenkörpers eindeutig erkennbar zu machen, kann vorgesehen sein, dass der Plombenkörper in dieser Position bündig mit einer Seitenwand des Vorderteils abschließt. Der Plombenkörper bietet in diesem Fall keine Angriffsfläche, die ein Herausziehen aus dem Vorderteil anregen könnte.In order to make the second defined position of the seal body clearly recognizable, it can be provided that the seal body is flush with a side wall of the front part in this position. In this case, the seal body does not offer any contact surface that could stimulate pulling out of the front part.
Das Sicherungselement kann insbesondere ein am Rückenteil, z. B. am Rückenteil eines Heizkostenverteilers, gebildeter Sicherungshaken sein, hinter dem in der definierten dritten Position eine Ausnehmung des Plombenkörpers zu liegen kommt.The securing element can in particular a on the back part, for. B. be on the back of a heat cost allocator, formed safety hook behind which comes to rest a recess of the seal body in the defined third position.
Wenn die definierte dritte Position des Plombenkörpers einem entsiegelten Zustand der Vorrichtung entsprechen soll, ist es zweckmäßig, dass in dieser Position ein Dorn sichtbar aus dem Vorderteil herausragt, damit dieser Zustand zweifelsfrei erkennbar ist.If the defined third position of the seal body is to correspond to an unsealed state of the device, it is expedient that a mandrel visibly protrudes from the front part in this position so that this state can be clearly identified.
Gemäß einer Weiterbildung dieses Aspekts beschädigt der Dorn beim Überführen des Plombenkörpers von der definierten zweiten in die definierte dritte Position das Vorderteil sichtbar. Eine weitere (unbefugte) Verwendung der Vorrichtung ist somit leicht feststellbar.According to a further development of this aspect, the mandrel visibly damages the front part when the seal body is transferred from the defined second to the defined third position. Further (unauthorized) use of the device can thus be easily determined.
Damit der Plombenkörper definiert in dem Vorderteil gehalten wird und ohne Verklemmen oder dergleichen in die verschiedenen definierten Positionen überführt werden kann, ist der Plombenkörper mittels wenigstens einer Führungsschiene und wenigstens einer Führungsnut in einer Aufnahme des Vorderteils geführt.So that the seal body is held in a defined manner in the front part and can be transferred into the various defined positions without jamming or the like, the seal body is guided in a receptacle in the front part by means of at least one guide rail and at least one guide groove.
Gemäß einer ersten bevorzugten Verwendung des erfindungsgemäßen Plombierungsmechanismus zeigt die definierte erste Position des Plombenkörpers einen Auslieferungszustand des Heizkostenverteilers an.According to a first preferred use of the sealing mechanism according to the invention, the defined first position of the sealing body indicates a delivery status of the heat cost allocator.
Gemäß einer zweiten bevorzugten Verwendung des Plombierungsmechanismus zeigt die definierte zweite Position des Plombenkörpers einen regulären Betriebszustand des Heizkostenverteilers an.According to a second preferred use of the sealing mechanism, the defined second position of the sealing body indicates a regular operating state of the heat cost allocator.
Gemäß einer dritten bevorzugten Verwendung des Plombierungsmechanismus zeigt die definierte dritte Position des Plombenkörpers einen entsiegelten Zustand des Heizkostenverteilers an.According to a third preferred use of the sealing mechanism, the defined third position of the sealing body indicates an unsealed state of the heat cost allocator.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung und aus den beigefügten Zeichnungen, auf die Bezug genommen wird. In den Zeichnungen zeigen:
-
Figur 1 eine perspektivische Schnittansicht eines Vorder- und eines Rückenteils eines Heizkostenverteilers; -
Figur 2 eine perspektivische Ansicht eines Plombenkörpers für einen erfindungsgemäßen Plombierungsmechanismus; -
Figur 3 eine Draufsicht auf den Plombenkörper ausFigur 2 ; -
Figur 4 eine perspektivische Schnittansicht des Plombierungsmechanismus in einer ersten Stellung; -
Figur 5 eine geschnittene Draufsicht auf den Plombierungsmechanismus in der ersten Stellung; -
Figur 6 eine perspektivische Schnittansicht des Plombierungsmechanismus in einer zweiten Stellung; -
Figur 7 eine geschnittene Draufsicht auf den Plombierungsmechanismus in der zweiten Stellung; -
Figur 8 eine weitere perspektivische Schnittansicht des Plombierungsmechanismus in der zweiten Stellung; -
Figur 9 eine perspektivische Schnittansicht des Plombierungsmechanismus in einer dritten Stellung; -
eine geschnittene Draufsicht auf den Plombierungsmechanismus in der dritten Stellung; undFigur 10 -
Figur 11 eine weitere perspektivische Schnittansicht des Plombierungsmechanismus in der dritten Stellung.
-
Figure 1 a perspective sectional view of a front and a back part of a heat cost allocator; -
Figure 2 a perspective view of a seal body for a sealing mechanism according to the invention; -
Figure 3 a top view of the seal bodyFigure 2 ; -
Figure 4 a perspective sectional view of the sealing mechanism in a first position; -
Figure 5 a sectional plan view of the sealing mechanism in the first position; -
Figure 6 a perspective sectional view of the sealing mechanism in a second position; -
Figure 7 a sectional plan view of the sealing mechanism in the second position; -
Figure 8 a further perspective sectional view of the sealing mechanism in the second position; -
Figure 9 a perspective sectional view of the sealing mechanism in a third position; -
Figure 10 a sectional plan view of the sealing mechanism in the third position; and -
Figure 11 a further perspective sectional view of the sealing mechanism in the third position.
In
Das im Wesentlichen plattenartig ausgebildete Rückenteil 12 weist zwei Montageöffnungen 14 auf, die zur Befestigung am Heizkörper mittels Schraubbolzen vorgesehen sind. Grundsätzlich ist auch ein Verkleben oder Anschweißen des Rückenteils 12 am Heizkörper möglich. An einem oberen Ende des länglichen Rückenteils 12 sind mehrere Vorsprünge 16 gebildet. Vom entgegengesetzten unteren Ende erhebt sich ein Sicherungshaken 18 mit einem senkrecht vom angrenzenden Plattenabschnitt 20 des Rückenteils 12 abstehenden Basisabschnitt 22 und einem abgewinkelten, sich im Wesentlichen parallel zum Plattenabschnitt 20 erstreckenden Halteabschnitt 24.The essentially plate-
Um den Heizkostenverteiler in seiner Betriebsstellung vor Manipulationsversuchen zu schützen ist ein Plombierungsmechanismus vorgesehen, der nachfolgend im Detail erläutert wird. Wesentlicher Bestandteil des Plombierungsmechanismus ist ein länglicher Plombenkörper 26 aus einem sehr stabilen Material, der in den
Der Grundkörper 28 weist mehrere Ausnehmungen auf und kann in drei Axialabschnitte unterteilt werden. Ein erster, als Endabschnitt 34 bezeichneter Abschnitt hat am Außenumfang eine rampenförmige erste Rastausnehmung 36 und eine davon in Umfangsrichtung beabstandete erste Führungsnut 38 mit einem Boden 40, die in Längsrichtung des Plombenkörpers 26 verläuft. Die erste Führungsnut 38 erstreckt sich nicht über die gesamte Länge des Endabschnitts 34, sondern endet vor der freien Stirnseite des Endabschnitts 34. Auf der diametral entgegengesetzten Seite des Endabschnitts 34 ist eine zur ersten Führungsnut 38 im Wesentlichen symmetrische (in den
Ein zweiter, als Freigabeabschnitt 42 bezeichneter Abschnitt des Grundkörpers 28 hat eine rampenförmige zweite Rastausnehmung 44 und eine von der Mittelachse A des Grundkörpers 28 knapp beabstandete erste seitliche Ausnehmung 46 und eine daran anschließende zweite seitliche Ausnehmung 48, wobei die Grundflächen 50, 52 der beiden seitlichen Ausnehmungen 46, 48 senkrecht zueinander orientiert sind. Die Grundfläche 52 der zweiten seitlichen Ausnehmung 48 geht stufenlos in den Boden 40 der ersten Führungsnut 38 des Endabschnitts 34 über. Auf der diametral entgegengesetzten Seite des Freigabeabschnitts 42 ist eine zur zweiten seitlichen Ausnehmung 48 im Wesentlichen symmetrische (in den
Ein dritter, als Sicherungsabschnitt 54 bezeichneter Abschnitt des Grundkörpers 28 hat eine rampenförmige dritte Rastausnehmung 56 und eine vierte seitliche Ausnehmung 58, die die gleiche Orientierung wie die zweite seitliche Ausnehmung 48 des Freigabeabschnitts 42 hat. Die Grundflächen 52 und 60 der zweiten und der vierten seitlichen Ausnehmungen 48 bzw. 58 gehen stufenlos ineinander über. Allerdings ist die vierte seitliche Ausnehmung 58 auf einer Seite durch einen Anlageabschnitt 62 mit einer Anlagefläche 64 begrenzt, die eine Verlängerung einer Seitenwand 66 der im Freigabeabschnitt 42 unterbrochenen ersten Führungsnut 38 darstellt. Die gegenüberliegende Seitenwand der ersten Führungsnut 38 findet im Sicherungsabschnitt 54 dagegen keine Verlängerung. Auf der diametral entgegengesetzten Seite des Sicherungsabschnitts 54 ist jedoch eine (in den
Die drei rampenförmigen Rastausnehmungen 36, 44, 56 sind in Axialrichtung linear hintereinander angeordnet und sind Teil eines irreversiblen Rastmechanismus, der später im Zusammenhang mit der Funktionsweise des Plombierungsmechanismus erläutert wird.The three ramp-shaped latching recesses 36, 44, 56 are arranged linearly one behind the other in the axial direction and are part of an irreversible latching mechanism, which will be explained later in connection with the functioning of the sealing mechanism.
Wie in den
Das Vorderteil 10 bildet mit dem Plombenkörper 26 eine vormontierte Baugruppe, d. h. das Vorderteil 10 wird mit integriertem Plombenkörper 26 ausgeliefert. Dazu ist die Aufnahme des Vorderteils 10 insgesamt so gestaltet, dass der Plombenkörper 26 in Axialrichtung durch die Einschuböffnung 78 in der zweiten Seitenwand 76 in das Vorderteil 10 eingeschoben werden kann. Der rampenförmige Rastvorsprung 74 und die rampenförmige dritte Rastausnehmung 56 sind so aufeinander abgestimmt, dass der Plombenkörper 26 nicht mehr aus dem Vorderteil 10 herausgezogen werden kann, sobald der Rastvorsprung 74 in die erste Rastausnehmung 36 eingeschnappt ist. Damit ist der Plombenkörper 26 unverlierbar am Vorderteil 10 gehalten.The
In diesem vormontierten Zustand nimmt der Plombenkörper 26 die in den
In der ersten Position des Plombenkörpers 26 ragt ein Teil des Endabschnitts 34 so weit aus dem Vorderteil 10 heraus, dass dieser Teil gut sichtbar ist. Diese Position des Plombenkörpers 26 relativ zum Vorderteil 10 kennzeichnet den Auslieferungszustand des Vorderteils 10, in dem das Vorderteil 10 montagefertig ist, wobei der Plombenkörper 26 irreversibel mit dem Vorderteil 10 verkoppelt ist.In the first position of the
Um den Heizkostenverteiler nun an einem Heizkörper anzubringen, wird - sofern nicht bereits vormontiert - zunächst das Rückenteil 12 fest mit dem Heizkörper an einer vorgegebenen Stelle in einer Orientierung verschraubt, in der die Vorsprünge 16 nach oben weisen. Anschließend wird das in der Länge und Breite auf das Rückenteil 12 abgestimmte Vorderteil 10 an den Vorsprüngen 16 eingehängt. Dazu weist das Vorderteil 10 an seinem oberen Ende mehrere (in
Wenn der Heizkostenverteiler am Heizkörper montiert ist und in Betrieb genommen werden soll, wird der Plombenkörper 26 in Axialrichtung so weit in das Vorderteil 10 eingeschoben, bis der Rastvorsprung 74 in die zweite Rastausnehmung 44 einschnappt, wie in den
Der Betriebszustand des Heizkostenverteilers ist von außen zu daran zu erkennen, dass der Endabschnitt 34 des Plombenkörpers 26 bündig mit der zweiten Seitenwand 76 des Vorderteils 10 abschließt.The operating state of the heat cost allocator can be seen from the outside in that the
Nach dem Ende der Betriebsperiode des Heizkostenverteilers wird dieser entsiegelt, indem der Endabschnitt 34 des Plombenkörpers 26 in Axialrichtung so weit in das Vorderteil 10 hineingeschoben wird, dass der Rastvorsprung 74 in der ersten Rastausnehmung 36 zu liegen kommt und der Plombenkörper 26 eine definierte dritte Position einnimmt. Dieser Zustand des Plombierungsmechanismus ist in den
Beim Verschieben des Plombenkörpers 26 von der zweiten in die dritte Position durchbricht der Dorn 30 mit seiner Spitze 32 die erste Seitenwand 70 des Vorderteils 10. Somit ist der entsiegelte Zustand des Heizkostenverteilers eindeutig erkennbar.When the
Der Plombierungsmechanismus sieht also vor, dass der Plombenkörper 26 relativ zum Vorderteil 10 mehrere definierte, visuell unterscheidbare Positionen einnehmen kann, denen verschiedene Zustände des Heizkostenverteilers zugeordnet sind. Die Überführung des Plombenkörpers 26 in die einzelnen Positionen ist nur in einer Richtung durchführbar und irreversibel. Im dargestellten Ausführungsbeispiel ist der Plombenkörper 26 aus der ersten definierten Position nur in die zweite definierte Position und aus der zweiten definierten Position nur in die dritte definierte Position überführbar.The sealing mechanism thus provides that the sealing
Der beschriebene Plombierungsmechanismus ist jedoch nicht auf die Verwendung in einem Heizkostenverteiler beschränkt, sondern kann bei anderen Vorrichtungen Anwendung finden, die gegen Manipulation gesichert und versiegelt werden sollen.However, the sealing mechanism described is not limited to use in a heat cost allocator, but can be used in other devices that are to be secured against manipulation and sealed.
- 1010
- VorderteilFront part
- 1212
- RückenteilBack part
- 1414th
- MontageöffnungenMounting holes
- 1616
- VorsprüngeLedges
- 1818th
- SicherungshakenSafety hook
- 2020th
- PlattenabschnittPlate section
- 2222nd
- BasisabschnittBase section
- 2424
- HalteabschnittHolding section
- 2626th
- PlombenkörperSeal body
- 2828
- GrundkörperBase body
- 3030th
- Dornmandrel
- 3232
- Spitzetop
- 3434
- EndabschnittEnd section
- 3636
- erste Rastausnehmungfirst locking recess
- 3838
- FührungsnutGuide groove
- 4040
- Bodenground
- 4242
- FreigabeabschnittRelease section
- 4444
- zweite Rastausnehmungsecond locking recess
- 4646
- erste seitliche Ausnehmungfirst lateral recess
- 4848
- zweite seitliche Ausnehmungsecond lateral recess
- 5050
- Grundfläche der ersten seitlichen AusnehmungBase area of the first lateral recess
- 5252
- Grundfläche der zweiten seitlichen AusnehmungBase area of the second lateral recess
- 5454
- SicherungsabschnittFuse section
- 5656
- dritte Rastausnehmungthird locking recess
- 5858
- vierte seitliche Ausnehmungfourth side recess
- 6060
- Grundfläche der vierten seitlichen AusnehmungBase area of the fourth lateral recess
- 6262
- AnlageabschnittPlant section
- 6464
- AnlageflächeContact surface
- 6666
- Seitenwand der ersten FührungsnutSide wall of the first guide groove
- 6868
- FührungsschienenGuide rails
- 7070
- erste Seitenwand des Vorderteilsfirst side wall of the front part
- 7272
- Seitenwand der AufnahmeSide wall of the recording
- 7474
- RastvorsprungLocking projection
- 7676
- zweite Seitenwand des Vorderteilssecond side wall of the front part
- 7878
- EinschuböffnungInsertion opening
Claims (12)
- A security seal mechanism for safeguarding a heat cost allocator against tampering attempts, comprising
a front part (10),
a back part (12), and
a seal body (26),
the front part (10) and the seal body (26) forming a preassembled unit, so that the seal body (26) is captively held at the front part (10), and
the seal body (26) being adapted to be transferred from a defined first position only to a defined second position, which is different from the defined first position and in which a locking element (18) of the back part (12) prevents a non-damaging removal of the front part (10) from the back part (12),
characterized in that
the locking element (18) is a locking hook formed on the back part (12) of the heat cost allocator,
in that the seal body (26), when in the defined first position, does not come into contact with the locking element (18),
in that, in the defined second position of the seal body (26), a part of a locking section (54) of the seal body (26) opposite an engagement section (62) of the seal body (26) comes to rest behind the locking element (18),
in that the seal body (26) is adapted to be transferred from the defined second position only to a defined third position, which is different from the defined first position and the defined second position and in which the locking element (18) permits a non-damaging removal of the front part (10),
in that in the defined third position of the seal body (26), the locking element (18) comes to rest in front of a first lateral recess (46) of a release section (42) of the seal body (26), so that the seal body (26) can be moved past the locking element (18), and
in that in the defined third position of the seal body (26), a spike (30) visibly protrudes from the front part (10) and visibly damages the front part (10) when the seal body (26) is transferred from the defined second position to the defined third position. - The security seal mechanism according to claim 1, characterized in that the seal body (26) can assume a plurality of defined, visually distinguishable positions relative to the front part (10), and each transfer from one defined position to another defined position is irreversible.
- The security seal mechanism according to claim 2, characterized by a detent mechanism which is formed on the front part (10) and on the seal body (26) and which renders the transfer of the seal body (26) to a defined position irreversible.
- The security seal mechanism according to claim 3, characterized in that the detent mechanism includes at least one ramp-shaped detent projection (74) and at least one ramp-shaped detent recess (36; 44; 56).
- The security seal mechanism according to any of the preceding claims, characterized in that in the defined first position the seal body (26) visibly protrudes from the front part (10).
- The security seal mechanism according to any of the preceding claims, characterized in that in the defined second position, a locking section (54) of the seal body (26) comes to rest behind the locking element (18).
- The security seal mechanism according to any of the preceding claims, characterized in that in the second defined position the seal body (26) is flush with a side wall (76) of the front part (10).
- The security seal mechanism according to any of the preceding claims, characterized in that the locking element is a locking hook (18) which is formed on the back part (12) and behind which a recess (46) of the seal body (26) comes to rest in the defined third position.
- The security seal mechanism according to any of the preceding claims, characterized in that the seal body (26) is guided in a seat of the front part (10) by means of at least one guide rail (68) and at least one guide groove (38).
- Use of a security seal mechanism according to any of claims 2 to 9 in a heat cost allocator, characterized in that the defined first position of the seal body (26) indicates a delivery condition of the heat cost allocator.
- Use of a security seal mechanism according to any of claims 2 to 9 in a heat cost allocator, characterized in that the defined second position of the seal body (26) indicates a regular operating condition of the heat cost allocator.
- Use of a security seal mechanism according to any of claims 2 to 9 in a heat cost allocator, characterized in that the defined third position of the seal body (26) indicates an unsealed condition of the heat cost allocator.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011107076A DE102011107076A1 (en) | 2011-07-11 | 2011-07-11 | Plombierungsmechanismus |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2546579A1 EP2546579A1 (en) | 2013-01-16 |
EP2546579B1 true EP2546579B1 (en) | 2020-12-23 |
Family
ID=46516536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12173747.2A Active EP2546579B1 (en) | 2011-07-11 | 2012-06-27 | Security seal mechanism |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2546579B1 (en) |
DE (1) | DE102011107076A1 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8127046U1 (en) * | 1982-02-25 | Walter Förster KG, 2054 Geesthacht | Seal for a heat meter | |
DE2851122A1 (en) * | 1978-11-25 | 1980-06-04 | Ludwig Ing Grad Petzold | Tamper-resistant lock for heating cost distributor - uses sliding plunger to locate in slotted fixing screw head |
DE202005002048U1 (en) * | 2005-02-08 | 2005-06-23 | Ista Shared Services Gmbh | seal |
DE102005046926A1 (en) * | 2005-09-30 | 2007-04-05 | Siemens Ag | Locking device for use with heat charge controller, has locking unit to lock functional unit and inserted into lock opening of functional unit, where locking unit is secured with securing unit, which is to be screwed to open locking unit |
-
2011
- 2011-07-11 DE DE102011107076A patent/DE102011107076A1/en not_active Withdrawn
-
2012
- 2012-06-27 EP EP12173747.2A patent/EP2546579B1/en active Active
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
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DE102011107076A1 (en) | 2013-01-17 |
EP2546579A1 (en) | 2013-01-16 |
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