NO125026B - - Google Patents
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- Publication number
- NO125026B NO125026B NO151668A NO151668A NO125026B NO 125026 B NO125026 B NO 125026B NO 151668 A NO151668 A NO 151668A NO 151668 A NO151668 A NO 151668A NO 125026 B NO125026 B NO 125026B
- Authority
- NO
- Norway
- Prior art keywords
- holders
- underside
- plate
- carrier plate
- circumference
- Prior art date
Links
- 239000004020 conductor Substances 0.000 claims description 9
- 210000002105 tongue Anatomy 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 241000897276 Termes Species 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
- H01H37/46—Thermally-sensitive members actuated due to expansion or contraction of a solid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/10—Tops, e.g. hot plates; Rings
- F24C15/102—Tops, e.g. hot plates; Rings electrically heated
- F24C15/105—Constructive details concerning the regulation of the temperature
-
- 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
- H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
- H05B3/688—Fabrication of the plates
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Resistance Heating (AREA)
- Cookers (AREA)
- Control Of Resistance Heating (AREA)
- Selective Calling Equipment (AREA)
Description
E1ektr i sk kokeplate. E1ektr in so-called hotplate.
Foreliggende oppfinnelse angår en elektrisk kokeplate, omfattende en tynn, homogen ringformet bæreplate med lister på undersiden og et mellom disse dannet spor, hvori det er innleiret en elektrisk oppvarmingsleder i elektrisk isolerende, varmeledende masse. En slik tynn plate har tendens til å slå seg og danne en ujevn overflate med dårlig anlegg mot kokekaret. The present invention relates to an electric hob, comprising a thin, homogeneous ring-shaped carrier plate with strips on the underside and a groove formed between them, in which an electric heating conductor is embedded in electrically insulating, heat-conducting mass. Such a thin plate has a tendency to settle and form an uneven surface with poor contact with the cookware.
Åorsaken til dette er at man tidligere ikke har hatt en tilstrekkelig stabil understøttelse av platen til underlaget. Ved en tidligere kjent utførelse er en ringformet plate lagret på en ringformet skål. Imidlertid har skålen ingen avstivende effekt på platen. The reason for this is that in the past there has not been a sufficiently stable support for the slab to the substrate. In a previously known embodiment, an annular plate is stored on an annular bowl. However, the bowl has no stiffening effect on the plate.
Hensikten med foreliggende oppfinnelse er å eliminere ovennevnte ulemper og dette oppnås ved en elektrisk kokeplate av ovennevnte type som er karakterisert ved at bæreplaten er fastspent ved sin ytre og indre omkrets ved to konsentriske, innbyrdes stivt forbundne ringer som er forsynt med tilholdere som er i inngrep med ansatser på bæreplatens underside, idet ringene utgjø-res av indre og ytre sidevegger av en ringformet bæreskål. The purpose of the present invention is to eliminate the above-mentioned disadvantages and this is achieved by an electric hob of the above-mentioned type which is characterized in that the support plate is clamped at its outer and inner circumference by two concentric, mutually rigidly connected rings which are provided with retainers which engage with projections on the underside of the carrier plate, the rings being formed by the inner and outer side walls of an annular carrier bowl.
Oppfinnelsen skal i det følgende beskrives nærmere i tilslutning til tegningen der The invention will be described in more detail below in connection with the drawing therein
fig.l viser et vertikalt snitt gjennom en kokeplate ifølge oppfinnelsen, fig.l shows a vertical section through a hob according to the invention,
fig.2 et detaljsnitt i større målestokk og fig.3 en modifikasjon av et lignende snitt. fig.2 a detailed section on a larger scale and fig.3 a modification of a similar section.
Den viste kokeplaten omfatter en plan, ringformet, ca The hob shown comprises a flat, ring-shaped, approx
1 mm tykk bæreplate 1 med lister 2 på undersiden, og et mellom disse dannet, spiralformet spor 3 hvori en flat, kantstilt oppvarmingsleder 4 er innleiret i elektrisk isolerende, varmeledende, kompri-mert metalloksydmasse 5> som kan være av kjent sammensetning. 1 mm thick carrier plate 1 with strips 2 on the underside, and a spiral groove 3 formed between these, in which a flat, edged heating conductor 4 is embedded in electrically insulating, heat-conducting, compressed metal oxide mass 5> which may be of known composition.
Ifølge fig.l - 3 nar bæreplaten på sin underside også According to fig. 1 - 3, the support plate is also on its underside
to konsentriske ytterlister 6, med en utoverrettet ringansats 7« Listene 2, 6 som er tynnere enn bæreplaten 1, er helst preget i two concentric outer strips 6, with an outwardly directed ring attachment 7" The strips 2, 6, which are thinner than the carrier plate 1, are preferably embossed in
ett stykke med denne, hensiktsmessig varmepreget av massivt metall, fortrinnsvis aluminiumsbronse-, eller preget (presset) av sinterme-tall, idet ansatsene 7 er oppnådd ved dreining. Listen kan også væ-re fastsveiset eller fastloddet på platen 1, og platen kan f.eks. være av rustfritt stål. Istedenfor spiralformet å gå over i hveran-dre, kan listene være konsentriske, men på kjent måte være brutt ved overgangsstedet for lederen 4» Denne er helst et ca. o,l mm tykt metallbånd som er jevnt bredt, men kan også være et bånd eller en tråd av serpentinform. one piece with this, appropriately heat-stamped from solid metal, preferably aluminum bronze, or stamped (pressed) from sinter terme, the abutments 7 being obtained by turning. The strip can also be welded or soldered to the plate 1, and the plate can e.g. be made of stainless steel. Instead of spiraling into each other, the strips can be concentric, but in a known way be broken at the transition point for the conductor 4" This is preferably an approx. o,l mm thick metal band which is uniformly wide, but can also be a band or a thread of serpentine form.
På sporets 3 bunn er det anbrakt et elektrisk isolerende belegg 8 som kan være av et glimmerpreparat, eventuelt et til-svarende listenes 2 form tildannet mikanitsjikt (fig.2), men som ifølge fig.3 med fordel kan være et likeledes på listene 2 anbrakt, fortrinnsvis flammesprøytet belegg av keramisk materiale, såsom et på kjent måte etter sandblåsing flammesprøytet, på sporbunnen minst o,3i helst o,5 mm tykt belegg av aluminiumsoksyd. Etter beleggets anbringelse kan man på kjent måte i sporet innføre lederen 4» og omkring denne komprimere massen 5 i omganger, idet lederen.innfø-res inntil belegget. Ved dette behøver lederens innføring ikke lenger skje med stor presisjon i høyderetningen, hvilket er en fremstillingsteknisk fordel (som skulle oppnås også om lederen var en konvensjonell, ikke flatet trådspiral). Sporet 3> som'ikke behøver lukkes, behøver ikke være bredere enn det som er nødvendig for denne flate lederens isolering fra listene 2, Herved og ved bæreplatens 1 beskjedne tykkelse blir kokeplaten tynn, lett og raskt-virkende. On the bottom of the track 3, an electrically insulating coating 8 is placed which can be made of a mica preparation, possibly a mica layer corresponding to the shape of the slats 2 (fig. 2), but which, according to fig. 3, can advantageously also be on the slats 2 placed, preferably a flame-sprayed coating of ceramic material, such as a flame-sprayed in a known manner after sandblasting, on the bottom of the track at least o.3 and preferably o.5 mm thick coating of aluminum oxide. After the coating has been placed, the conductor 4" can be introduced into the groove in a known manner and around this the mass 5 is compressed in rounds, the conductor being inserted close to the coating. In this way, the introduction of the conductor no longer needs to take place with great precision in the height direction, which is a manufacturing technical advantage (which would also be achieved if the conductor was a conventional, non-flattened coil of wire). The slot 3, which does not need to be closed, does not need to be wider than what is necessary for this flat conductor's insulation from the strips 2. Hereby, and with the modest thickness of the carrier plate 1, the hob becomes thin, light and fast-acting.
For at denne tynne plate ikke skal slå seg må den være fastspent både ved sin ytre og sin indre omkrets på to konsentriske, innbyrdes stivt forbundne ringer. Ved utførelsesformen ifølge fig.1-3 utgjøres disse ringer av sidevegger 9> lo i en ring-formet skål 11 i en heltrukket platebeholder 12 med en sentral, grunn skål 13 med radielle avstivningsribbér 14 i skålens 11 bunn og en utvendig krave 15 som hviler på et emaljert komfyr-eller kokepla-tedeksel 16 over en oppkravet åpning 17 i denne. Kokeplaten er fastspent ved hjelp av holdere 18 i inngrep med ansatsen 7> hvilke tilholdere ifølge fig.l og 2 består av tunger som er utpresset av veggene 9, lo. Ifølge 3 består holderne 18 av tunger som går gjennom veggene 9> lo* Tungene i dette tilfellet anordnet på omkretsen på en radielt fjærende låsering 19. In order for this thin plate not to buckle, it must be clamped at both its outer and inner circumference on two concentric, mutually rigidly connected rings. In the embodiment according to fig. 1-3, these rings are made up of side walls 9>lo in a ring-shaped bowl 11 in a solid plate container 12 with a central, shallow bowl 13 with radial stiffening ribs 14 in the bottom of the bowl 11 and an external collar 15 which rests on an enamelled stove or hotplate cover 16 above a raised opening 17 in this. The hob is clamped by means of holders 18 in engagement with the attachment 7> which holders according to fig.l and 2 consist of tongues which are pressed out of the walls 9, lo. According to 3, the holders 18 consist of tongues passing through the walls 9>lo* The tongues in this case arranged on the circumference of a radially resilient locking ring 19.
Claims (3)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE605267A SE332668B (en) | 1967-04-28 | 1967-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
NO125026B true NO125026B (en) | 1972-07-03 |
Family
ID=20267797
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO151668A NO125026B (en) | 1967-04-28 | 1968-04-22 | |
NO151568A NO122668B (en) | 1967-04-28 | 1968-04-22 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO151568A NO122668B (en) | 1967-04-28 | 1968-04-22 |
Country Status (5)
Country | Link |
---|---|
DE (3) | DE1765216A1 (en) |
DK (2) | DK121030B (en) |
FI (2) | FI44433B (en) |
NO (2) | NO125026B (en) |
SE (1) | SE332668B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO135390C (en) * | 1975-09-02 | 1977-03-30 | Rdal Og Sunndal Verk A S | ELECTRIC STOVE WITH THERMOSTAT. |
DE2947672A1 (en) * | 1978-11-29 | 1980-10-23 | Karl Fischer | Electrical cooker plate with peripheral metal ring - has centre section at level of cooker plate surface for easy pan removal |
DE3223417A1 (en) * | 1982-06-23 | 1983-12-29 | Karl 7519 Oberderdingen Fischer | ELECTRIC COOKING PLATE |
-
1967
- 1967-04-28 SE SE605267A patent/SE332668B/xx unknown
-
1968
- 1968-04-19 DE DE19681765216 patent/DE1765216A1/en active Pending
- 1968-04-22 NO NO151668A patent/NO125026B/no unknown
- 1968-04-22 NO NO151568A patent/NO122668B/no unknown
- 1968-04-25 DE DE19681765261 patent/DE1765261A1/en active Pending
- 1968-04-25 FI FI117368A patent/FI44433B/fi active
- 1968-04-25 DE DE19681765260 patent/DE1765260A1/en active Pending
- 1968-04-25 FI FI117468A patent/FI45915C/en active
- 1968-04-26 DK DK193968A patent/DK121030B/en unknown
- 1968-04-26 DK DK193768A patent/DK126819B/en unknown
Also Published As
Publication number | Publication date |
---|---|
DK126819B (en) | 1973-08-20 |
DE1765261A1 (en) | 1971-07-22 |
SE332668B (en) | 1971-02-15 |
DE1765216A1 (en) | 1971-07-15 |
FI44433B (en) | 1971-08-02 |
DK121030B (en) | 1971-08-23 |
NO122668B (en) | 1971-07-26 |
FI45915B (en) | 1972-06-30 |
DE1765260A1 (en) | 1971-07-15 |
FI45915C (en) | 1972-10-10 |
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