topny element v sklokeramickej varnej doske

[peter tesar]

Problem je ze ja som elektronik amater len na istej urovni poznania. 
Trafo 220/110 zhodou okolnosti mam a jeho princip chapem. Seriovu diodu 
vhodnych parametrov (staru RFT SY 180/10) tiez mam a princip jej ucinku 
chapem. Termoclanok/PT100, PID aj SSR, to tiez vsetko mam, chapem a 
zvladnem pospajat.

Fazovu regulaciu s triakom a plynulou regulaciou uz neviem navrhnut.

PID ureguluje stredny vykon, keby som tam mal nejaku tepelnu kapacitu. 
Zial chcem polozit teflonove nadobky priamo na platnu a bojim sa 
tepelnych spiciek pri zapnuti na plnych 2kW.

Peter.


 
Jaroslav Buchta wrote:
> Proc tam jednoduse nedat triak (nebo SSR) a vykon neridit fazovou 
> regulaci nebo vynechavanim pulperiod skoro plynule???
> Bude to mit velikost krabicky od cigaret a ne nejaka desetikilova 
> potvora...
>
> Dne 8. 7. 2015 v 14:12 peter tesar napsal(a):
>> Preco nie, trafo 230/120 na 500W, tusim co ho mam je az na kilowatt, 
>> nie je to ziadna velka hroza.
>>
>> Pid to asi neureguluje, mozno ho ani potrebovat nebudem. Chcem na tom 
>> ohrievat teflonove nadobky (kadicky) a v casoch zapnutia spiraly sa 
>> mi ta teplota zda prilis velka. Potrebujem byt bezpecne pod 200 stupnov.
>>
>> Peter.
>>
>> Robert Baranka wrote:
>>> Ked si predstavim to trafo 230/120V...
>>> A ten PID to neureguluje?
>>> Robo
>>>
>>> Dňa 8. 7. 2015 14:01 Zuffa Jan  wrote / napísal(a):
>>>> Staci dat vhodne dimenzovanu diodu do serie.
>>>> V elektrarni z toho nebudu nadseni ale fungovat to bude
>>>>
>>>> j.
>>>>
>>>> -----Original Message-----
>>>> From: Hw-list [mailto:hw-list-bounces na list.hw.cz] On Behalf Of 
>>>> Šerých Jakub
>>>> Sent: Wednesday, July 08, 2015 1:47 PM
>>>> To: HW-news
>>>> Subject: RE: topny element v sklokeramickej varnej doske
>>>>
>>>> Obycejny odporova spirala na keramickem nosici.
>>>>
>>>> Jakub Serych
>>>>
>>>>> -----Original Message-----
>>>>> From: Hw-list [mailto:hw-list-bounces na list.hw.cz] On Behalf Of peter
>>>>> tesar
>>>>> Sent: Wednesday, July 08, 2015 1:44 PM
>>>>> To: HW-news
>>>>> Subject: topny element v sklokeramickej varnej doske
>>>>>
>>>>> Zdravim,
>>>>> rad by som sa opytal, aky topny element sa pouziva v beznych
>>>>> sklokeramickych platnickach. Pod sklom vidiet pri zapnuti taku
>>>>> rozzeraveny akoby prerusovanu spiralu. Je to jednoplatnicka, ma 2000W
>>>>> a hodil by sa mi nizsi vykon. Keby som to mohol napajat cez trafo
>>>>> 230/120V, to by mala okolo 500W, idealne pre mna. Regulacia by bola
>>>>> dorobena externe, cez PID regulator.
>>>>>
>>>>> Preto na zaujima, ci je to len obycajny odporovy element, alebo 
>>>>> nejaka
>>>>> kremenna vybojka alebo take nieco, s elektronikou, co potrebuje plne
>>>>> napatie 230V. Termostat je tam zda sa obycajny mechanicky, normalne
>>>>> cvaka a iskri pri zapnuti/vypnuti (to vidiet cez to sklo).
>>>>>
>>>>> Dakujem.
>>>>> Peter.
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