Mekatech Automation Group
22/15A, ng s 1, P.Hip Bnh Phc, Q.Th c.
Website:http://dieukhienkhinen.com/
Email: [email protected]
in thoi: 0942.445.765 0932.773.917
1 http://www.dieukhienkhinen.com/
VAN O CHIU KH NN THNG DNG
Van o chiu kh nn l phn t dng ng, ngt, o chiu dng
kh nn, thng qua m thay i c hng tc ng ca c cu chp
hnh kh nn.
Van o chiu kh nn loi 2 ca 2 v tr (van2/2):
Hnh 1: Van 2/2
Hot ng ca van nh sau: Khi cha nhn nt, di tc dng ca lc l xo
van
hot ng v tr bn phi, lc ca s 1 v ca s 2 b chn. Khi ta nhn nt
van 2/2 o trng thi lm ca 1 thng vi ca 2, nu ta ni ngun kh vi ca
1 th
s c kh cp ln ca 2.
Van o chiu kh nn loi 3 ca 2 v tr (van3/2):
Mekatech Automation Group
22/15A, ng s 1, P.Hip Bnh Phc, Q.Th c.
Website:http://dieukhienkhinen.com/
Email: [email protected]
in thoi: 0942.445.765 0932.773.917
2 http://www.dieukhienkhinen.com/
Hnh 2: Van 3/2
Hot ng ca van nh sau: Khi cha gt cn gt, di tc dng ca lc l xo
van hot ng v tr bn phi, lc ca s 1 b chn v ca s 2 thng vi ca
3. Khi ta gt cn gt van 3/2 o trng thi lm ca 1 thng vi ca 2, ca 3
b
chn nu ta ni ngun kh vi ca 1 th s c kh cp ln ca 2.
Van o chiu kh nn loi 5 ca 2 v tr (van5/2):
Hnh 3: Van 5/2
Hot ng ca van nh sau: Khi cha cp kh vo ca iu khin 14, di tc
dng ca lc l xo van hot ng v tr bn phi, lc ca s 1 thng vi ca
s
2 v ca 4 thng vi ca 5, ca s 3 b chn. Khi ta cp kh vo ca iu khin
14
van 5/2 o trng thi lm ca 1 thng vi ca 4, ca 2 thng vi ca 3 v ca
5 b
chn.
