Bp t cng c s dng nhiu ti cc gia nh Vit Nam. iu ny t ra yu cu cn hiu v bp t v

cch s dng bp t ng cch. K c ngi gip vic nh cng cn phi bit cch s dng chng c

th ch bin cc mn n ngon.

HNG DN S DNG BP T HIU QU

1. Nguyn l hot ng ca bp t v cu to Bp t c ch to da vo nguyn l t trng trong cun dy v dng in Foucoult (Fuc).

Bp t c bn bao gm mt cun dy dn in v mt tm vt liu cch in, cch nhit t trn n.

Tm vt liu thng dng l s thy tinh v ngoi kh nng cch in, cch nhit, n cn c tnh thm

m.

Khi cho dng in chy qua cun dy (khi s dng) s to ngay tc thi t trng trong khong cch vi

milimt trn b mt bp. y ni bng kim loi (st nhim t) nm trong t trng ny s sinh ra dng

in Foucault v nng ln, nu chn thc n nh i vi cch un nu thng thng.

Trong mt chic bp in in t thnh phn quan trng nht l mch cng sut v cun cm. Trong

cun cm thng c lm t dy cp ng c sn mt lp trng men cch in. Cun dy ny c

th to ra t trng bin thin. Cc bn c th quan st d dng qua hnh di y:

Khi ngi dng iu chnh nhit ca bp t chnh l ang thay i tn s t trng m cun dy ny

to ra.

Vi mch cng sut v cun cm ny, nguyn l ca bp in t nh sau: Cun dy to ra t trng

bin thin tc ng ln y ni c gi l t thng. Khi t thng bin thin mc cao tc s sinh ra

dng in Fu Co. y ni khi un nu c th coi l mt cun dy th cp, dng in Fu Co s lm truyn

nhit qua y ni, cc electron s di chuyn tc cao, va p v s sinh ra nhit. Nhit s sinh ra

nhiu khi cng t trng, tn s t trng v din tch y ni ln v ngc li. Khi nhit sinh ra

lm cho y ni nng ln qua lm chn thc n trong ni.

Cc loi ni c th dng trong bp t: Do bp t hot ng da trn nguyn l nh vy cho nn cc loi

ni s dng trong bp t phi l cc loi ni c lm bng vt liu st t hay c tnh t cao nh:

- Ni lm bng Inox 18/10. L loi vt liu c tnh t cao nn ni lm bng inox 18/10 s dng rt hiu

qu trong bp t.

- Cc loi ni bng thp trng men pha ngoi,c hoc khng c lp chng dnh. Cc loi ni kiu ny

thng to t ting n khi nu, tuy nhin thng kh ty ra v thng b phng hoc lm nu t n

ln bp m khng c thc n bn trong.

- Cc ni bng gang c hoc khng c lp trng men di y ni.Dng loi ni ny thng khng c

ting n,thch hp vi cc mn nu nhit thp. Tuy nhin dng cc loi ni ny thng d lm chy

xc b mt bp nn bn phi lu .

- Cc loi ni lm bng thp khng g. y l loi ni hp th nhit cc tt,c th t ni cho ln bp

khng c thc n bn trong m khng vic g. Nhng vi vic s dng loi ni ny,n s hi gy n 1

cht cho cn bp ca bn

2. u v nhc im ca bp t

u im ca bp t Vi bp t, bn ch mt 2 pht un si 1 lt nc, trong khi vi bp hng ngoi, bn s mt gp i

thi gian. Hiu qu ca n ln n 99% ty thuc vo hnh thc nu nng.

Kh nng thay i t nhit thp n nhit cao trong tch tc v ta nhit u khp ni. Ch c bp

t mi mang li s ci tin ny, nh vo nhng cng ngh vt tri hn nhng dng sn phm khc.

Nguyn l hot ng vt tri ny dn n hiu sut ca bp t cng cc ln: n 90%. V nng lng

gn nh c truyn trc tip lm dao ng cc phn t ca ni nu, trong khi bp ga hiu sut

khong 55%; bp in thng khong 65%. Nh vy, nu cc bc ang dng gas chuyn sang dng bp

t s tit kim c khong 40% tin nhin liu, tng t: t bp in sang bp t s tit kim c

khong 25-30% chi ph.

Bp t c nhng u im vt tri hn rt nhiu so vi cc loi bp thng thng:

Dng bp t hiu sut s dng ln ti 90%. Tc l 90% nhit lng ta ra c s dng vo vic

lm chn thc n, ch c 10% rt nh ta ra mi trng bn ngoi. Vi hiu sut cao chc chn

bn s tit kim c rt nhiu thi gian v chi ph cho vic nu nng khi s dng bp t.

Ni tri v tnh nng a dng: Bp t khng ch cho php bn iu chnh tc nu n m n

cn tch hp rt nhiu tnh nng thn thin vi ngi dng nh: ch kha tr em, t ng

ngt, chc nng chng tro, cnh bo nhit d

Khi nu mt bp rt mt (hoc hi m khu vc t ni) nn an ton, bn hon ton yn tm khi

v tnh chm tay vo m khng s b bng.

Bp t c hnh dng p, thn thin, d dng v sinh, lau chi mang li v p lun sng bng,

sang trng.

Mt knh c thit k chu lc, chu nhit tt

Bp t tin li, d dng s dng v an ton hn so vi loi bp khc song bp t c hn ch

nht nh:

Nhc im ca bp t

Bp t khi s dng rt kn ni s dng: Nu bp gas c th s dng vi hu ht cc loi ni th

bp t khng nh vy. Bp t ch hot ng vi nhng loi dng c c t tnh, khng hp vi

nhng loi ni bng t, thy tinh, gm s. V vy, khi chn bp t s dng bn cn chn mt

b ni bng st hoc inox i km.

t tin (loi bp i tr ln).

Kn dng c nu bp: ch s dng c vi cc dng c bp bng thp, st c cht dn t. c

th tn dng c b ni c, nhiu ngi dng mua ming st t t ln mt bp t, ri t

ni, cho ln nu. Tuy nhin, khuyn co l mt khi lm nh vy c ngha bn bin chic

bp t thnh bp in thng thng ngha ca tit kim nhit, nu nhanh ca bp t s

khng cn.

Dng c nu nng n (thng ni, cho dng cho bp t c t 3 lp y tr ln, cm rt nng

tay)

phng mt in.

n (do qut tn nhit).

Chi ph thay th, sa cha t .

Mt bp c th b try xc, li vt du m nu nh du m nng bn ra ngoi khng c

lau chi kp thi.

So snh hiu qu nhit ca bp t, bp in, bp gas v bp Halogen

So snh cc tiu ch ca bp t, bp in, bp gas

Tiu ch Bp ga Bp in Bp t (hay cn gi l bp cm ng t)

Cch t nng Lm nng vng khng kh di ni trc ri mi ti ni. Cho nn hiu qu 40% v tht thot 60%.

Lm nng mt knh ri ti lm nng ni, hiu qu hn so vi bp ga cho nn hiu qu t 60% v tht thot l 40%.

Lm nng trc tip vng thc n pha bn trong ni (khng nng b mt bp). Hiu qu 90% v tht thot 10%.

Thm m Mu m phong ph, p, nhng phi v sinh thng xuyn do du m bm bn, nu khng chnh du m ny s quay ngc li lm r st, h hi cc vnh chn knh, king bp

p, sang trng, do mt knh nng nn d dng to 1 lp chy trn mt knh khi b tro thc n, ch cn dng cy si (ph kin km theo) hoc l dao rc giy, li dao hp vi mt knh 1 gc 30 co lp chy ra.

Sang trng, n tng, d s dng, d lau chi.

An ton an ton thp (d b phng, chy n ...)

Do mt knh nng d b bng. Lu : -Cn tt bp bng nt on off, khng nn ct atomat hoc rt in. Khi n hin th ch H s khng hin ln c.

an ton cao. Lu : -Cn s dng ni chuyn dng (Ni kim loi nhim t). - Do mt ni nng s lm nng ngc li mt knh bp, cn cn thn ch n hin th ch H tt i.

Gii php - Cn kim tra van iu p thng xuyn.

-Cn thn sau khi tt bp xong ch n bo ch H tt i.

- Cn s dng ng dn ga tt (c bc kim loi bn ngoi, trnh trng hp chut cn) - Cn c nh chc chn dy ga v tng (pha v tr ui chut ca bp). -S dng bnh ga composite hin c trn th trng.

Chi ph s dng (tng i)

1 bnh gas 12kg: ~310.000 vn

~160.888 -> 280.470 vn ~109.015 ->190.041vn

3. Cc nghi ngi v vn sc khe khi s dng bp t v s tht Ph gio s, tin s Hong nh Chin, Khoa in - in t, H Bch Khoa TP HCM cho bit, s dng bp

t an ton hn nhiu so vi cc loi bp khc.

Ph gio s nh Chin cho bit, s dng lu bp t c nh hng nhng khng ng k n sc khe

ca ngi bnh thng hay nhng ngi c tin s bnh tim mch, thn kinh... Bi sng in t pht ra

t bp t cng rt thp, li ch tc dng trc tip ln phn ni un. Khi s dng, ngi nu cng

khng ng thng xuyn, khng ng qu lu v qu st vi bp nn mc nh hng khng nhiu.

Thc s Trung H, nguyn Trng b mn in, Vin Nghin cu Thit k trng hc cng cho rng tn

s hot ng ca bp t l rt thp ch t 20 Khz n 23 Khz, cc bc x sng in t cng thp nn

hu nh khng nh hng n sc khe con ngi.

C rt nhiu kin xoay quanh sng t trng. Liu c nguy hi cho sc khe c bit l nhiu ngi c

tiu s bnh tim?

Thc t th chng khng gy hi g cho sc khe, v tn s hot ng ca bp l rt thp ch t 20Kz n

23 Khz (Khc hon ton vi sng viba ca l vi sng - 2.4GHz) . Do vy cc bc x sng in t c cng

rt thp xem nh khng c trn b mt bp, hon ton khng nh hng g n sc khe con ngi.

tm hiu v nh hng ca bp t n an ton sc khe, chng ti tm hiu nhiu ti liu trn

mng. Cho n nay, cha c mt ti liu no ni v cc hiu ng cm ng in t nh hng n sc

kho con ngi.

Theo website TheInductionSite.com chuyn tng hp tt c thng tin v bp t kh uy tn ti M, bp t

pht ra bc x tn s cc thp, tng t nh tn s v tuyn in ca l vi sng. Dng bc x ny hu

nh chng l g nu khong cch vi ngun pht x vi cm.

Mc d vy, TheInductionSite.com cung cp mt s lu khi s dng bp t: Khi nu bp, khng nn

ng qu gn trnh bc x; Ngi eo my tr tim, tr thnh khng nn s dng loi bp ny nu

khng c php ca bc s; Khng nhng vt d h hng khi b nhim t gn mt bp nh bng ghi

m, ghi hnh, TV v cc thit b gia dng d b nhim t gy hng khc.

Nhn thy nhng thng tin ni trn vn cn cha r rng, TKT Maids a vn ny n gp gio s

Nguyn Xun Chnh, nguyn ging vin i hc Bch khoa H Ni. ng l mt trong nhng nh nghin

cu vt l cht rn c uy tn v am hiu v bp t, tc gi cun sch "Vt l trong ng dng hin i".

Gio s Chnh tn tnh ging gii mi ngc ngch ca vn v ng cho rng trn bo cng ni nhiu

nhng cha r ngn ngnh.

"Cng do hiu k, cch y lu ti mua mt ci bp t v dng. T t giy trong hp ng bp c

in ch "Induction cooker" ti tm hiu xong ri vit mt bi bo gii thiu v nguyn l hot ng ca

bp t", gio s Chnh ni.

Theo gio s Chnh, bp in t (bp t, bp cm ng t) c nguyn l khc hn bp in tr (tc l

bp in thng thng) v bp hng ngoi (loi mt bp rc) l trong bp t, di c b phn

pht ra sng in t. C nhiu loi sng in t, v sng in t ca bp t l sng trung tn. "Khi pht

ra, sng i l l trn mt bp nu (vng trn mt bp), khng lan rng ra khng trung v ch lm nng

y ni tip xc trc tip mt bp cho nn khng c hi", gio s Chnh khng nh.

4. Hng dn s dng bp t khi nu n Vi cc mn thng thng, bp t cng s dng nh cc loi bp thng thng khc. Chi kh hn chi

chin, xo thc phm.

Tc lm nng xoong, cho ca bp in t nhanh hn nhiu so vi bp ga. V th, nu bn mi bt

u nu m s dng nhit qu cao c th lm xoong, cho b chy. V th, lc mi bt u nu bn

nn ch nhit thp cho an ton. Thm vo , khng ni khng trn bp ang hot ng,

rt c th bp t s bo li - khng hot ng, hay lm ni chy hoc bin dng.

Chn ng dng c nu nng Do bp in t nng rt nhanh nn bn lun phi s dng nhng dng c nu nng c kh nng chu

nhit cao. Cc loi mung g v xng xo chu nhit lun l nhng chn la ph hp i vi bp in t.

Nu dng mung kim loi, chng s dn nhit rt nhanh cn nhng vt dng bng nha c th tan chy.

iu quan trng nht l bn cn kim tra ngng chu nhit ti a ca nhng dng c nu nng trc

khi s dng. ng thi, trnh mung hoc cc dng c khc trong xoong, cho khi ang un nu v

phn tay cm ca chng c th b chy nha hoc chy.

Chn ni chuyn dng ph hp: Khng nn dng cho nhm v chng c xu hng hp thu hi nng nhanh hn so vi cc cht liu khc.

iu ny s khin cho thc phm b nng v chy ngay khi bn va cho vo cho. Cho bng gang, inox

hoc c ph mt lp ng mng s thch hp vi bp in t hn. Nu mun cc loi rau xanh v tht c

mu vng nu ging nh cc mn nng, bn c th cho mn n vo mt chic cho nng bng gang

v nu chng trc tip trn bp in t.

iu chnh ch nhit ph hp - Khi cho du vo cho t ln bp chnh ln mc nhit 220 . Khi du si t t gim nhit mc

nh hn ty tng mn n cho ph hp tng t nh khi xo, rn bng bp gas.

+ Nu nhit qu cao th thc n s b chy kht bn ngoi nhng bn trong vn cha chn.

+ Nu nhit qu thp th thc n s b dnh cho.

- La chn k cc thng s, tnh nng, cc cp v nhit nu.

- S dng nhng chc nng phi t ng:

+ Chc nng xo: Nhn phm xo, lc ny n hin th chc nng xo sng. C th iu chnh nhit

chc nng xo thng qua phm tng, gim nhit.

- Chc nng lu: Nhn phm chc nng lu, lc ny n hin th chc nng lu sng. C th iu chnh

nhit chc nng lu thng qua phm tng, gim nhit.

- Chc nng rn: Nhn phm chc nng rn, lc ny n hin th chc nng rn sng. C th iu chnh

nhit chc nng rn thng qua phm tng, gim nhit.

- Chc nng nng: Nhn phm chc nng nng, lc ny n hin th chc nng nng sng. C th

iu chnh nhit chc nng nng thng qua phm tng, gim nhit. (Lu : i vi chc nng

nng phi t thc phm ln trn v nng bng st hoc Inox).

- Chc nng hn gi: n tip phm t gi/Hn gi th n phm t gi/Hn gi sng ri vo trng thi

t gi. Lc ny, nhn phm + thi gian t gi tng thm 1 pht, n phm tng thm 1 gi, thi

gian hn gi c th iu chnh trong phm vi t 00:00 23:00 (tnh theo cch m ngc) sau bp s

t ng khi ng chc nng t ng c chn.

+ Chc nng t gi: Sau khi chn xong chc nng tng ng, nhn phm t gi/Hn gi, n chc

nng t gi/Hn gi s sng. t gi, nhn phm +, - c th iu chnh t gi t 1 pht n

120 pht. Sau khi t n thi gian t gi, bp s t ng tt.

Trn y l cc thng tin c bn nht v bp t do cng ty dch v gip vic theo gi TKT Maids su tm

cho Qu Khch Hng cng nh nhng ngi gip vic nh theo gi ca TKT Maids c thm thng tin

khi s dng bp t. Hy l ngi gip vic chuyn nghip vi nhng kin thc lun c b sung t i

ng k thut vin ca dch v gip vic nh theo gi TKT Maids.

Ngun: st v http://giupviectheogio.vn