EP0551914A2 - Dispositif pour mettre en place un dispositif de chauffage dans une ouverture d'une paroi d'un réservoir - Google Patents

Dispositif pour mettre en place un dispositif de chauffage dans une ouverture d'une paroi d'un réservoir Download PDF

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Publication number
EP0551914A2
EP0551914A2 EP93100572A EP93100572A EP0551914A2 EP 0551914 A2 EP0551914 A2 EP 0551914A2 EP 93100572 A EP93100572 A EP 93100572A EP 93100572 A EP93100572 A EP 93100572A EP 0551914 A2 EP0551914 A2 EP 0551914A2
Authority
EP
European Patent Office
Prior art keywords
flange plate
opening
container
control device
sensor
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.)
Granted
Application number
EP93100572A
Other languages
German (de)
English (en)
Other versions
EP0551914B1 (fr
EP0551914A3 (fr
Inventor
Ingo Dr. Bleckmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ELPAG AG CHUR
Original Assignee
ELPAG AG CHUR
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ELPAG AG CHUR filed Critical ELPAG AG CHUR
Publication of EP0551914A2 publication Critical patent/EP0551914A2/fr
Publication of EP0551914A3 publication Critical patent/EP0551914A3/fr
Application granted granted Critical
Publication of EP0551914B1 publication Critical patent/EP0551914B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H05B3/04—Waterproof or air-tight seals for heaters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/78—Heating arrangements specially adapted for immersion heating
    • H05B3/82—Fixedly-mounted immersion heaters

Definitions

  • the invention relates to a device for attaching at least one heating device projecting into a container for receiving a liquid to be heated in an opening of the container wall, comprising a flange plate which holds the heating device and which further closes the opening in the container wall when the heating device is installed and which has at least one opening for accessibility from the outside to at least one connecting end of the heating device and at least one further opening for at least one fastening device accessible from the outside for attaching the flange plate to the container.
  • the flange plate used here has three through openings, two serving for the connecting ends of a tubular heater and another for the fastening device.
  • a device can be used, for example, in a dishwasher, a washing machine or the like.
  • the above object is solved by the features of the main claim. Since an opening must already be provided in the flange plate for the fastening device, the proposed solution ensures that no further opening is initially necessary when a sensor and / or control device is attached. This not only allows the use of a flange plate that is relatively small in its geometric dimensions, but also simplifies the machining of the flange plate. Depending on the design of the sensor and / or control device, the entire sensor and / or control device or only parts, such as, in particular, temperature sensors, can be arranged in the cavity of the element of the fastening device.
  • the element of the fastening device having the cavity ends with the boundary surface of the fastening device pointing into the interior of the container in order to allow the sensor and / or control device to regulate, for example, the temperature of the liquid to be heated.
  • the element of the fastening device which has the cavity projects into the interior of the container. This is particularly advantageous if the heating device is to be monitored and protected against overheating by switching it off.
  • the heating device is brought up to the element of the fastening device which has the cavity or this element is brought up to the heating device or both touch or are even connected to one another.
  • this possibility also exists with an element of the fastening device which has the cavity, if this element ends with the boundary surface of the fastening device which points into the interior of the container.
  • This can take place, for example, in that the heating device is brought to the fastening device with a section and by means of this section in the vicinity of the element having the cavity touches the fastening device or is attached there.
  • the cavity can enter the interior of the container as well be open to the outside or only open to the outside.
  • the first possibility can be used, for example, if the sensor and / or control device or parts thereof are arranged in a separate housing. If the housing is to be dispensed with, the cavity of the element of the fastening device can be closed off in the direction of the interior of the container, so that only the element of the fastening device has to be sealed when it passes through the flange plate.
  • the fastening device is formed by a holding or clamping plate arranged in the interior of the container and a clamping device.
  • the clamping device can be formed by an approximately centrally arranged on the clamping plate and firmly connected to this bolt, which extends through an opening in the flange plate and onto which a nut can be screwed from the outside for fixing the fastening device and for clamping the flange plate.
  • the clamping plate can then be moved in the direction of the flange plate and thus clamp a sealing plate which may be arranged between the flange plate and the clamping plate, and at the same time clamp the flange plate against the outside of the container wall.
  • the sensor and / or control device or parts thereof can be fixed in the interior of the cavity of the element of the fastening device in a wide variety of ways. If the fastening device has a screw bolt passing through the flange plate, then the sensor and / or control device or parts thereof can be fixed inside the cavity of the screw bolt by means of a further nut. There is also the possibility that the cavity is provided with an internal thread for screwing in the sensor and / or control device, or parts thereof.
  • a sensor and / or control device is provided.
  • several parameters such as the temperature of the liquid and, independently of this, the temperature of the heating device, it may be necessary to provide further sensor and / or control devices.
  • These additional sensor and / or control devices can be attached in various ways.
  • the fastening device it is possible for the fastening device to have two or more elements which penetrate or pass through the flange plate, each with at least one cavity, the elements being able to be arranged, for example, in the form of a flange screw connection.
  • each of the elements of the fastening device can have one of the configurations described above.
  • the further sensor and / or control device can be accommodated in a tube which is pushed into a perforation of the flange plate provided for this purpose and which is optionally soldered on, and which is preferably designed as a blind tube with a closed end pointing into the interior of the container.
  • the tube can already be pre-assembled with the flange plate. This makes it possible to use one and the same flange plate for different heating devices and / or sensor and / or control devices to prepare and then depending on the application to the heating device or to the further sensor and / or control device to insert different devices into the prepared openings or into the prepared pipe.
  • the pipe can be connected to the flange plate by a wide variety of fastening methods. In particular, it can be soldered on.
  • the tube can be open on both sides if, for example, the sensor and / or control device or parts thereof are arranged in a separate housing.
  • the opening provided for this can be provided with prepared fastening means which serve to fasten the further sensor and / or control device. This can be done, for example, by providing the opening with an internal thread into which the further sensor and / or control device is then screwed in a sealing manner.
  • a sleeve can also be provided, which is provided with an external thread, to which the further sensor and / or control device is then attached by means of a union nut. If, for example, the temperature of the heating device is to be recorded with the further sensor and / or control device, it can be advantageous for a pipe for the further sensor and / or control device to be brought inside the container to at least a section of the heating device.
  • the tube may contact the section of the heater.
  • the tube is permanently connected to the section of the heating device, in particular is soldered, in order to obtain a particularly favorable heat transfer from the heating device to the further sensor and / or control device, if this is used, for example, for detecting and controlling the temperature the heater is to serve.
  • the opening for the connection end of the heating device is arranged, in particular immediately, next to the opening for the further sensor and / or control device.
  • the opening for the fastening device is arranged between the opening for the connection end and the opening for the further sensor and / or control device.
  • the flange plate can be provided with two openings, for example, in preparation for the attachment of these devices, into which the free ends of a U-shaped tubular body, for example, can be accommodated the further sensor and / or control devices are used.
  • the heating device can be formed by a wide variety of heating elements.
  • the heating device can be a preferably electric tubular heater with two connection ends, for each of which an opening is provided in the flange plate.
  • the heating device has a relatively large surface area.
  • the heating device in the interior of the container can have an essentially W-shaped shape with two connection ends, the openings for the connection ends are each arranged in the region of the edge of the flange plate and the opening for the fastening device and for any further sensor and / or control device which may be present are provided between the openings for the connection ends of the heating device.
  • the middle section of the W-shaped tubular heating element can be brought up to the element of the fastening device which has the cavity, in order to make it possible, for example, to monitor the temperature of the heating device.
  • the part of the heating device located inside the container essentially forms a loop with two connecting ends, that the openings for the connecting ends are arranged on one side of a central plane of the flange plate which runs essentially perpendicular to the flange plate, that at least one Part of the section of the heating device located in the interior of the container, which is closer to the center plane, runs outside the plane spanned by the two connecting ends of the heating device and intersects the center plane and that any further sensor and / or control device that may be present runs on the other side of the center plane is arranged and at least partially covers the section of the heating device intersecting the central plane.
  • the openings in the flange plate can be arranged in very different ways. For example, there is the possibility that the central longitudinal axes of at least two openings lie in one plane.
  • the flange plate can also have a wide variety of shapes. For example, it can have an essentially oval shape. In this case it is advantageous if the center points of the openings in the region of the flange plate lie on the main axis of the ellipse given by the oval shape of the flange plate. This makes it proportionate despite one large number of openings, arranged in a clear form and close together.
  • a separate sealing device can be provided in addition to the flange plate, which may be provided with its own sealing elements.
  • a sealing device is provided between the flange plate and the fastening device, which seals the opening in the container wall when the flange plate is inserted.
  • the sealing device can also be formed by a wide variety of elements. It is particularly advantageous if the sealing device is formed by a plate which may protrude beyond the edges of the flange plate and has openings for the heating device, the fastening device and any further sensor and / or control device which may be present.
  • the plate for the sealing device can be made of a heat and / or heat-resistant, flexible material.
  • the sealing device can rest on the flange plate from the outside or from the inside.
  • the sealing device is preferably arranged on the side of the flange plate facing the interior of the container.
  • FIGS. 1 and 2 it holds an essentially W-shaped tubular heating element 12, which forms the heating device, the essentially W-shaped section inside a container (not shown in more detail) for receiving a container to be heated Liquid is lying.
  • the tubular heater 12 has two connection ends 12a, 12b, which are used for connection to an energy source, also not shown.
  • the device 10 further comprises a flange plate 14 which has openings 14a, 14b for the passage of the connection ends 12a, 12b of the tubular heating element 12, so that these are accessible from the outside (cf. also FIG. 2).
  • the flange plate 14 is bent at its edge in the direction of the inside of the container and thus overlaps an edge of the opening of the container wall that is bent outwards. As a result, the flange plate 14 is centered with respect to the opening of the container wall.
  • the fastening device 15 is provided for fastening the flange plate 14.
  • the fastening device 15 consists of a clamping plate 15a and a clamping device 15b.
  • the tensioning device 15b is by a screw bolt passing through an opening 14c in the flange plate 14 16 and a lock nut 17 to be attached to it from the outside. As can be seen in particular from FIG. 3, the screw bolt is inserted into an opening in the clamping plate 15a and is soldered to the latter.
  • the screw bolt 16 In addition to the attachment by soldering the screw bolt 16 to the clamping plate 15a, there is also the possibility that the screw bolt 16 is screwed into the clamping plate and then firmly connected to it by soldering or the like, or that the screw bolt 16 is connected to the clamping plate 15a a riveting process is firmly connected.
  • the screw bolt 16 has a cavity 16a, which serves to receive a sensor and / or control device (not shown further) or to receive parts of this device. As shown in dash-dotted lines in FIG. 3, the screw bolt 16 can protrude beyond the inward-facing boundary surface of the clamping plate 15a of the fastening device 15, in order in this way to form the inner arc of the W-shaped, which is shown in FIG.
  • the cavity 16a is closed in the direction of the inside of the container, whereas it is open in the direction of the outside for receiving the sensor and / or control device.
  • the cavity 16 a can be produced, for example, in the form of a blind hole.
  • the clamping plate 16a has openings, not shown, for the connection ends 12a, 12b of the tubular heater 12. Between the clamping plate 16a and the flange plate 14, a sealing plate 18, preferably made of a flexible, heat-resistant material, is arranged, which also has openings 18a, 18b for the two connection ends 12a, 12b of the tubular heater 12, the fastening device 15 and any additional sensor and / or control device.
  • the clamping plate 15a can be moved in the direction of the flange plate 14 and thus clamp the sealing plate 18 between them and at the same time clamp the flange plate 14 against the outside of the container wall.
  • the fastening device 15 is operated from the inside of the container, in particular if accessibility from the outside after the final assembly of the overall apparatus accommodating the device according to the invention (for example a dishwasher) is not possible.
  • the structure of the device with flange plate 14, clamping plate 15a and sealing plate 18 can be mirrored to the structure described above.
  • the fastening device 15 can also be used to attach an earth connection 19, as shown in FIG. 2.
  • the flange plate 14 has an opening 14d, which is used for the passage of a further sensor and / or control device, not shown.
  • the central longitudinal axes of the openings 14a, 14b, 14c, 14d for the connection ends 12a, 12b of the tubular heater 12, the fastening device 15 and the further sensor and / or control device are arranged in a common plane.
  • the flange plate 14 has an essentially oval shape, the center points of the openings 14a, 14b, 14c, 14d lying in the region of the flange plate 14 on a major axis of the ellipse defined by the oval flange plate 14.
  • the embodiment shown in FIG. 4 differs from the embodiment described above in that the tubular heating element 112 is loop-shaped and its connection ends 112a, 112b are arranged on one side of the plane of symmetry S of the flange plate 114 which is perpendicular to the plane of the drawing in FIG. 4.
  • a U-shaped tubular body 120 is provided for the possibly existing additional sensor and / or control device, which is attached on the other side of this plane of symmetry S. Either a further sensor and / or control device consisting of two assemblies or two different ones for different parameters can be used in the U-shaped tubular body.
  • the U-shaped tubular body 120 for the further sensor and / or control device passes through both the clamping plate 115a, the sealing plate 118 and the flange plate 114 with two free ends 120a, 120b.
  • the U-shaped tubular body 120 is soldered to the flange plate 114.
  • the central longitudinal axes of the openings 114a, 114b, 114c, 114d are likewise provided in a common plane in this embodiment.
  • FIG. 6 and 7 finally show a further embodiment of the device according to the invention, which differs from the embodiment according to FIG. 1 only in that a tube 222 is provided for the possibly further sensor and / or control device, which in the A portion 222a of the tubular heater 212 bears or is soldered to the inside of the container.

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  • Cookers (AREA)
  • Control Of Resistance Heating (AREA)
EP93100572A 1992-01-15 1993-01-15 Dispositif pour mettre en place un dispositif de chauffage dans une ouverture d'une paroi d'un réservoir Expired - Lifetime EP0551914B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4200888 1992-01-15
DE4200888 1992-01-15

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP98106846 Division 1998-04-15

Publications (3)

Publication Number Publication Date
EP0551914A2 true EP0551914A2 (fr) 1993-07-21
EP0551914A3 EP0551914A3 (fr) 1993-08-04
EP0551914B1 EP0551914B1 (fr) 1998-11-11

Family

ID=6449561

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93100572A Expired - Lifetime EP0551914B1 (fr) 1992-01-15 1993-01-15 Dispositif pour mettre en place un dispositif de chauffage dans une ouverture d'une paroi d'un réservoir

Country Status (2)

Country Link
EP (1) EP0551914B1 (fr)
DE (1) DE59309114D1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1662843A1 (fr) * 2004-11-30 2006-05-31 Bleckmann GmbH & Co. KG Elément de serrage vulcanisé
CN109585104A (zh) * 2018-12-26 2019-04-05 湖南福德电气有限公司 一种可拆卸水冷电阻器
US10932324B2 (en) 2015-07-31 2021-02-23 Bleckmann Gmbh & Co. Kg Flange assembly for securing a heating device to a fluid container

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004060382A1 (de) 2004-12-15 2006-06-29 Bleckmann Gmbh & Co. Kg Dickschicht-Rohr-Heizung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1125262A (en) * 1965-04-23 1968-08-28 Elpag Ag Chur Arrangements for securing heaters
DE2552625A1 (de) * 1975-11-24 1977-06-02 Elpag Ag Chur Vorrichtung zur verhinderung einer ueberhitzung von elektrisch beheizten geraeten
EP0275635A1 (fr) * 1986-12-15 1988-07-27 Redring Electric Limited Dispositifs de chauffage par immersion
EP0157277B1 (fr) * 1984-03-22 1989-03-01 EMIDE-METALLINDUSTRIE Gebr. Streicher Dispositif pour chauffage des liquides

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1125262A (en) * 1965-04-23 1968-08-28 Elpag Ag Chur Arrangements for securing heaters
DE2552625A1 (de) * 1975-11-24 1977-06-02 Elpag Ag Chur Vorrichtung zur verhinderung einer ueberhitzung von elektrisch beheizten geraeten
EP0157277B1 (fr) * 1984-03-22 1989-03-01 EMIDE-METALLINDUSTRIE Gebr. Streicher Dispositif pour chauffage des liquides
EP0275635A1 (fr) * 1986-12-15 1988-07-27 Redring Electric Limited Dispositifs de chauffage par immersion

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1662843A1 (fr) * 2004-11-30 2006-05-31 Bleckmann GmbH & Co. KG Elément de serrage vulcanisé
DE102004057812A1 (de) * 2004-11-30 2006-06-01 Bleckmann Gmbh & Co. Kg Einvulkanisiertes Spannstück
US10932324B2 (en) 2015-07-31 2021-02-23 Bleckmann Gmbh & Co. Kg Flange assembly for securing a heating device to a fluid container
CN109585104A (zh) * 2018-12-26 2019-04-05 湖南福德电气有限公司 一种可拆卸水冷电阻器

Also Published As

Publication number Publication date
EP0551914B1 (fr) 1998-11-11
DE59309114D1 (de) 1998-12-17
EP0551914A3 (fr) 1993-08-04

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