NL8801182A - HEATING ELEMENT. - Google Patents
HEATING ELEMENT. Download PDFInfo
- Publication number
- NL8801182A NL8801182A NL8801182A NL8801182A NL8801182A NL 8801182 A NL8801182 A NL 8801182A NL 8801182 A NL8801182 A NL 8801182A NL 8801182 A NL8801182 A NL 8801182A NL 8801182 A NL8801182 A NL 8801182A
- Authority
- NL
- Netherlands
- Prior art keywords
- heating element
- heating
- thermostat
- resistance
- bimetal
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 title claims description 19
- 239000000919 ceramic Substances 0.000 claims 1
- 229910000679 solder Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
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
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0202—Switches
- H05B1/0213—Switches using bimetallic elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
- H01H1/504—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by thermal means
-
- 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
- H05B3/74—Non-metallic plates, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits
- H05B3/748—Resistive heating elements, i.e. heating elements exposed to the air, e.g. coil wire heater
-
- 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
- H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
- H05B2213/07—Heating plates with temperature control means
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Control Of Resistance Heating (AREA)
- Cookers (AREA)
- Resistance Heating (AREA)
Description
-1- » ’ H AL/CP/2p,Intercon.-1- »H AL / CP / 2p, Intercon.
VerwarmingselementHeating element
De onderhavige uitvinding betreft een verwarmingselement volgens conclusie 1.The present invention relates to a heating element according to claim 1.
Voor verwarming van water bevattende apparaten, zoals eierkokers en koffiezetapparaten is het bekend de ver-5 warming van dergelijke apparaten automatisch uit te schakelen, indien de temperatuur van de plaat, bijv. doordat het water geheel verdampt is, opdat verdere verwarming geen schade kan veroorzaken.For heating water-containing devices, such as egg cookers and coffee makers, it is known to automatically switch off the heating of such devices if the temperature of the plate, eg because the water has evaporated completely, so that further heating cannot cause damage .
Het is een doel van de onderhavige uitvinding een 10 zodanig verwarmingselement te verschaffen, dat ook nadat de temperatuur na uitschakeling niet wederom wordt opgewarmd, de verwarming blijft uitgeschakeld, totdat de stroomtoevoer is onderbroken, bijv. door het uit een wandcontactdoos trekken van een steker.It is an object of the present invention to provide such a heating element that, even after the temperature has not been heated up again after switching off, the heating remains switched off until the power supply has been interrupted, eg by pulling a plug from a wall socket.
15 Een voorkeursuitvoeringsvorm van de onderhavige uitvinding is eenvoudig en bevat geen mechanisch te bedienen schakelaars.A preferred embodiment of the present invention is simple and does not contain any mechanically actuable switches.
Verdere voordelen, kenmerken en details van de onderhavige uitvinding zullen duidelijk worden aan de hand 20 van in een tekening getoonde voorkeursuitvoeringsvorm daarvan, in welke tekening tonen: fig. 1 een perspectivisch onderaanzicht van een eerste uitvoeringsvorm van het verwarmingselement volgens de onderhavige uitvinding; 25 fig. 2 een schema van het verwarmingselement uit fig. 1; fig. 3 een gedeeltelijk weggebroken perspectivisch aanzicht van een tweede uitvoeringsvorm van het verwarmingselement volgens de onderhavige uitvinding; en 30 fig. 4 een schema van de tweede uitvoeringsvorm uit fig. 3.Further advantages, features and details of the present invention will become apparent from the preferred embodiment thereof shown in a drawing, in which drawing: fig. 1 shows a perspective bottom view of a first embodiment of the heating element according to the present invention; Fig. 2 shows a diagram of the heating element of fig. 1; Fig. 3 is a partly broken away perspective view of a second embodiment of the heating element according to the present invention; and FIG. 4 is a schematic of the second embodiment of FIG. 3.
Aan de onderzijde van een de warmte verspreidende plaat 1 uit keramisch materiaal, bijv. AI2O3, zijn weer- .8801182 -2- standsstroken 2, 3,4 gezeefdrukt, die elektrische stroom omzetten in warmte, die via de elektrisch isolerende plaat l een niet getoonde houder voor water kan verwarmen. Aan aan-sluitklemmen 5, 6 kan via geleiders 7, 8, 9 een spanning over 5 de weerstandbanen 2, 3,4 worden aangelegd. Tussen elektrische geleiders 8 en 9 is een thermostaatelement 10 opgenomen, dat een bimetaal omvat.Resistant strips 2, 3,4 are screen-printed on the underside of a ceramic material heat dissipating plate 1, for example AI2O3, which convert electric current into heat, which via the electrically insulating plate l shown container for water can heat. A voltage across the resistance paths 2, 3, 4 can be applied to connecting terminals 5, 6 via conductors 7, 8, 9. A thermostat element 10, which comprises a bimetal, is arranged between electrical conductors 8 and 9.
Indien de temperatuur van de plaat 1 een voorafbepaalde waarde, bijv. 130°C, overschrijdt, wordt het contact 10 tussen strook 8 en 9 verbroken; het bimetaal 11 trekt hierbij krom. Strook 8 is nu in hoofdzaak via een parallel aan de weerstandsbanen geschakeld weerstandselement 12 met een hoge weerstandswaarde met geleidende strook 7 verbonden. Dit weerstandselement 12 is zodanig ontworpen, dat het bimetaal 11 op 15 een zodanige, voorafbepaalde temperatuur, bijv. 80°C wordt gehouden, dat de verbinding tussen kleine strook 8 en 9 verbroken blijft, daar bij deze voorafbepaalde temperatuur het thermostaatelement ingeschakeld blijft en zodoende geen elektrische stroom meer wordt toegevoerd aan de spiralen 2, 3, 20 4. De houder voor het water wordt derhalve niet verder opgewarmd, totdat de elektrische spanning tussen contacten 5 en 6 wordt weggenomen.If the temperature of the plate 1 exceeds a predetermined value, e.g. 130 ° C, the contact 10 between strips 8 and 9 is broken; the bimetal 11 hereby warps. Strip 8 is now substantially connected to conductive strip 7 via a high-resistance value resistor element 12 connected in parallel with the resistance paths. This resistance element 12 is designed in such a way that the bimetal 11 is kept at 15 such a predetermined temperature, e.g. 80 ° C, that the connection between small strips 8 and 9 remains broken, since at this predetermined temperature the thermostat element remains switched on and thus no more electric current is supplied to spirals 2, 3, 20 4. The container for the water is therefore not heated further until the electric voltage between contacts 5 and 6 is removed.
Ter verdere beveiliging van oververhitting is tussen aansluiting 6 en metalen strook 7 een zodanig gedimensio-25 neerde druppel zodanig soldeertin opgenomen, dat deze boven een voorafbepaalde temperatuur, bijv. 140°C smelt; het gehele verwarmingselement 1 kan nu vervangen worden of een nieuwe druppel soldeertin kan worden aangebracht.In order to further protect against overheating, a droplet of solder tin so dimensioned is included between connection 6 and metal strip 7 that it melts above a predetermined temperature, eg 140 ° C; the entire heating element 1 can now be replaced or a new drop of solder can be applied.
Bij de tweede uitvoeringsvorm 20 (fig. 3, 4) van 30 het weerstandselement volgens de onderhavige uitvinding wordt een spanning tussen contacten 21 en 22 aangelegd, waarbij weerstandsbanen 23, 24, 26, 27, 28 resp. 29 in serie met een thermostaatelement 30 zijn aangesloten. Ter verwarming van het bimetaal 31 zijn nu banen 32 onder het thermostaatelement 35 30 parallel daaraan aangebracht. De weerstandswaarde van de banen 32 is ten opzichte van de banen 23, 24, 26-29 zodanig groot, dat de stroom door laatstgenoemde banen verwaarloosbaar is, indien het bimetaal door verwarming boven de vooraf- .8801182 -3- λ bepaalde onderste grenstemperatuur van het hysteresegebied van het bimetaal is ingeschakeld. Bij contact 22 is een smeltzekering 33 in de vorm van een druppel soldeertin opgenomen .In the second embodiment 20 (Fig. 3, 4) of the resistance element according to the present invention, a voltage is applied between contacts 21 and 22, whereby resistance paths 23, 24, 26, 27, 28 and 28 respectively. 29 are connected in series with a thermostat element 30. To heat the bimetal 31, tracks 32 are now arranged parallel thereto under the thermostat element 35. The resistance value of the paths 32 with respect to the paths 23, 24, 26-29 is so great that the current through the latter paths is negligible if the bimetal by heating above the predetermined lower limit temperature of the hysteresis area of the bimetal is enabled. A contact fuse 33 in the form of a drop of solder is included at contact 22.
, 8801 1 82., 8801 1 82.
Claims (5)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8801182A NL8801182A (en) | 1987-10-01 | 1988-05-04 | HEATING ELEMENT. |
| DE19883833293 DE3833293A1 (en) | 1987-10-01 | 1988-09-30 | Heating element |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8702350A NL8702350A (en) | 1987-10-01 | 1987-10-01 | Thermostatically controlled electric hot plate element - has thick film resistance element printed and bimetallic thermostat mounted on ceramic surface |
| NL8702350 | 1987-10-01 | ||
| NL8801182 | 1988-05-04 | ||
| NL8801182A NL8801182A (en) | 1987-10-01 | 1988-05-04 | HEATING ELEMENT. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8801182A true NL8801182A (en) | 1989-05-01 |
Family
ID=26646296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8801182A NL8801182A (en) | 1987-10-01 | 1988-05-04 | HEATING ELEMENT. |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE3833293A1 (en) |
| NL (1) | NL8801182A (en) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4341035A1 (en) * | 1993-12-02 | 1995-06-08 | Ego Elektro Blanc & Fischer | Safe-condition monitoring unit for electrical load device |
| DE4341036A1 (en) * | 1993-12-02 | 1995-06-08 | Ego Elektro Blanc & Fischer | Safe-condition monitoring unit for electrical load device |
| GB9302965D0 (en) * | 1993-02-15 | 1993-03-31 | Strix Ltd | Immersion heaters |
| NL9500196A (en) * | 1995-02-02 | 1996-09-02 | Atag Keukentechniek Bv | Heating device. |
| GB2337682A (en) * | 1997-02-17 | 1999-11-24 | Strix Ltd | Thick film heaters |
| GB2322274B (en) * | 1997-02-17 | 1999-01-13 | Strix Ltd | Controls for electric heaters |
| GB2322272A (en) * | 1997-02-17 | 1998-08-19 | Strix Ltd | Terminal arrangement for a thick film heater |
| GB2337683B (en) * | 1997-02-17 | 2002-01-16 | Strix Ltd | Electric heaters |
| DE19731395A1 (en) * | 1997-07-22 | 1999-01-28 | Ceramtec Ag | Heating beaker for solids and liquids |
| DE29714770U1 (en) * | 1997-08-18 | 1997-11-27 | Rieker Elektronik, 72285 Pfalzgrafenweiler | Heating device for an electrical device and electrical device for heating a liquid |
| DE19738318C5 (en) * | 1997-09-02 | 2014-10-30 | Behr Gmbh & Co. Kg | Electric heating device for a motor vehicle |
| GB9805751D0 (en) * | 1998-03-17 | 1998-05-13 | Strix Ltd | Electric heaters |
| AU6005700A (en) * | 1999-07-21 | 2001-02-05 | Otter Controls Limited | Improvements relating to water heating vessels |
| GB2354927B (en) * | 1999-07-21 | 2004-04-28 | Otter Controls Ltd | Improvements relating to water heating vessels |
| DE10021512A1 (en) * | 2000-05-03 | 2001-11-08 | Ego Elektro Geraetebau Gmbh | Electric heating unit, especially for liquid media |
| DE102010000042A1 (en) * | 2010-01-11 | 2011-07-14 | HE System Electronic GmbH & Co. KG, 90587 | Electric heating element and a method for its production |
| US9526372B2 (en) * | 2010-04-01 | 2016-12-27 | I.R.C.A. S.P.A. Industria Resistenze Corazzate E Affini | Beverage dispensing machine |
| US10429079B2 (en) | 2017-02-21 | 2019-10-01 | Zoppas Industries De Mexico S.A., De C.V. | Electric stovetop heater unit with integrated temperature control |
| US11067288B2 (en) | 2017-05-15 | 2021-07-20 | Backer Ehp Inc. | Dual coil electric heating element |
| US10132504B1 (en) | 2017-05-15 | 2018-11-20 | Backer Ehp Inc. | Dual coil electric heating element |
| US11581156B2 (en) | 2019-07-03 | 2023-02-14 | Backer Ehp Inc. | Dual coil electric heating element |
| USD955168S1 (en) | 2019-07-03 | 2022-06-21 | Backer Ehp Inc. | Electric heating element |
-
1988
- 1988-05-04 NL NL8801182A patent/NL8801182A/en not_active Application Discontinuation
- 1988-09-30 DE DE19883833293 patent/DE3833293A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE3833293A1 (en) | 1989-04-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A1B | A search report has been drawn up | ||
| CNR | Transfer of rights (patent application after its laying open for public inspection) |
Free format text: HYWEL-CONNECTION B.V. |
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| BV | The patent application has lapsed |