EP1117274A2 - Dispositif de chauffage électrique - Google Patents

Dispositif de chauffage électrique Download PDF

Info

Publication number
EP1117274A2
EP1117274A2 EP00124959A EP00124959A EP1117274A2 EP 1117274 A2 EP1117274 A2 EP 1117274A2 EP 00124959 A EP00124959 A EP 00124959A EP 00124959 A EP00124959 A EP 00124959A EP 1117274 A2 EP1117274 A2 EP 1117274A2
Authority
EP
European Patent Office
Prior art keywords
pin
casing tube
insulator
tube
electric radiator
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
EP00124959A
Other languages
German (de)
English (en)
Other versions
EP1117274A3 (fr
EP1117274B1 (fr
Inventor
Martin Dombrowski
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.)
Hotset Heizpatronen und Zubehoer GmbH
Original Assignee
Hotset Heizpatronen und Zubehoer GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hotset Heizpatronen und Zubehoer GmbH filed Critical Hotset Heizpatronen und Zubehoer GmbH
Publication of EP1117274A2 publication Critical patent/EP1117274A2/fr
Publication of EP1117274A3 publication Critical patent/EP1117274A3/fr
Application granted granted Critical
Publication of EP1117274B1 publication Critical patent/EP1117274B1/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
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material

Definitions

  • the invention relates to an electrical Radiators, especially for Injection molding tools, in the form of a Heating cartridge or a tubular heater, which one or which one metallic Has jacket tube in which the heat conductor in an electrically insulating mass is embedded, and that under manual force plastically bendable or is wrapable, primarily that Jacket pipe through a flexible Corrugated hose is formed, also the Heating conductor near one end of the Jacket tube with its ends at each an electrically conductive pin is connected or the heating conductor is close both ends of the casing tube at each an electrically conductive pin is connected, the connector pins each over part of their length in Jacket pipe, forming an unheated zone run and with the further part of their Protrude length from the casing tube, as well if necessary following the Jacket tube from an insulator, preferably a ceramic insulator, surrounded radially are so that only a connection area over protrudes the insulator.
  • Such a radiator is for example from DE 44 18 828 A1 known.
  • the usual electric radiators of this kind either point at one end two connector pins on the internal heating conductors are connected and those for connecting connectors or the like suitable and determined are, or they point at both ends one center pin each, the inside of the tubular heater with is connected to and on the heating conductor exposed ends corresponding electrical connections plugged in or in can otherwise be coupled.
  • the connector pins usually exist made of stainless steel. You have a significant Length on, being a large part of the length the connecting pins in the casing tube protrudes and at a distance from the mouth of the casing tube with the electrical Heating conductor is connected. In this way becomes an unheated zone of the radiator near its mouth or near its Muzzle generated. This unheated zone can be, for example, a length of 30 mm exhibit. For the user, the Bend of the electric radiator from not visible from the outside in which area the connection point between the rigid, inflexible connector pin and the Heating conductor is.
  • the invention is based on the object an electric radiator to create generic type in which the risk of breakage or weakening the junction between the Avoid connecting pin and the heating conductor is and which is even better Bend according to the desired contours or can wrap.
  • each pin be off easily bendable or spiral metal consists.
  • the casing tube can be according to the desired shape bent or wound so that an excellent adjustment to desired shapes is possible.
  • the connector pin is made of nickel.
  • the connector pin which is usually a 2.5 mm (solid), can be available so inexpensively be put, including the electrical Conductivity is sufficient, as well easy bendability is ensured.
  • the casing tube can be in the usual way Introduction of the electrical conductor along with Terminal pins with MgO or the like filled and then reduced. Then the ceramic stopper can preferably a hard ceramic stopper plugged the connector pin and into the Mouth of the jacket tube are glued. This is a central mounting of the Connection pin in the jacket tube guaranteed, even if this bent or wound as intended becomes.
  • the spacer is replaced by a Insulating bead or the like ceramic part is formed.
  • the pin in the Cladding tube surrounded area Potting compound is surrounded, the annular gap between connector pin and casing pipe preferably completely filled out.
  • the only drawing figure shows one electric radiator according to the invention in view, partially broken open.
  • an electrical one Radiator shown especially for Injection molding tools suitable and determined is. It has the shape of a heating cartridge or a tubular heater.
  • the outer Cover is by a metallic Jacket tube 1 formed, in which the Heating conductor 2 in electrically insulating Mass is arranged embedded.
  • the electrically insulating mass can for example MgO powder or the like his.
  • the casing tube 1 is under manual Applying force plastically or windable, the casing tube 1 in Embodiment through a flexible Corrugated hose is formed.
  • the heating conductor 2 is close to the two ends of the casing tube 1 with its ends each an electrically conductive Pin 3 connected, the Pin 3 over a large part its length within the casing tube 1 is arranged and with part of it Length from the mouth of the casing tube 1 protrudes to an electrically outer To be able to connect.
  • the within the casing tube 1 by the Pin 3 occupied length is one unheated zone of the radiator.
  • a ceramic Insulator 4 provided so that only one Connection area of the pin 3 out protrudes the insulator 4.
  • the pin 3 is off easily bendable or windable metal made, preferably of nickel.
  • the insulator 4 can be, for example Hard ceramic stopper to be in the mouth the casing tube 1 glued and from that Pin 3 is penetrated.
  • On the Connector pin 3 can in the of the jacket tube 1 surrounding area is still an isolating one Spacers may be arranged or the Be surrounded by potting compound, so the annular gap between the Connection pin 3 and the casing tube 1 with this mass is filled.
  • the training according to the invention enables it simply the shape of the Radiator to certain circumstances by bending or winding.
  • the invention is not based on that Embodiment limited, but in The scope of the disclosure is often variable.

Landscapes

  • Resistance Heating (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Multi-Conductor Connections (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Non-Reversible Transmitting Devices (AREA)
  • Conductive Materials (AREA)
  • Saccharide Compounds (AREA)
  • Air-Conditioning For Vehicles (AREA)
EP00124959A 2000-01-13 2000-11-16 Dispositif de chauffage électrique Expired - Lifetime EP1117274B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20000482U 2000-01-13
DE20000482U DE20000482U1 (de) 2000-01-13 2000-01-13 Elektrischer Heizkörper

Publications (3)

Publication Number Publication Date
EP1117274A2 true EP1117274A2 (fr) 2001-07-18
EP1117274A3 EP1117274A3 (fr) 2002-05-29
EP1117274B1 EP1117274B1 (fr) 2006-06-07

Family

ID=7935817

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00124959A Expired - Lifetime EP1117274B1 (fr) 2000-01-13 2000-11-16 Dispositif de chauffage électrique

Country Status (6)

Country Link
EP (1) EP1117274B1 (fr)
AT (1) ATE329477T1 (fr)
DE (2) DE20000482U1 (fr)
DK (1) DK1117274T3 (fr)
ES (1) ES2259969T3 (fr)
PT (1) PT1117274E (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7064303B2 (en) 2003-12-23 2006-06-20 Thermetic Products, Inc. Tubular heater and method of manufacture

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3812580A (en) * 1970-02-06 1974-05-28 Emerson Electric Co Method of making electric heating elements
DE4418828A1 (de) * 1992-12-16 1995-12-21 Hotset Heizpatronen Zubehoer Elektrischer Heizkörper für Spritzgießwerkzeuge

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3812580A (en) * 1970-02-06 1974-05-28 Emerson Electric Co Method of making electric heating elements
DE4418828A1 (de) * 1992-12-16 1995-12-21 Hotset Heizpatronen Zubehoer Elektrischer Heizkörper für Spritzgießwerkzeuge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7064303B2 (en) 2003-12-23 2006-06-20 Thermetic Products, Inc. Tubular heater and method of manufacture

Also Published As

Publication number Publication date
PT1117274E (pt) 2006-08-31
EP1117274A3 (fr) 2002-05-29
ATE329477T1 (de) 2006-06-15
DE20000482U1 (de) 2000-03-16
DE50012912D1 (de) 2006-07-20
DK1117274T3 (da) 2006-07-10
EP1117274B1 (fr) 2006-06-07
ES2259969T3 (es) 2006-11-01

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