Đồ án tốt nghiệp đề tài nguồn điện hàn hồ quang 1 chiều

Đồ án ĐTCS sinh viên: Ngô Viết Cờng
nguồn hàn hồ quang một chiều lớp :TĐH1-K45
Chơng I: giới thiệu chung về nguồn hàn hồ quang
một chiều
I. Hồ quang điện hàn

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§å ¸n §TCS sinh viªn: Ng« ViÕt Cêng
nguån hµn hå quang mét chiÒu líp :T§H1-K45
- >2 FS&(597P?T
UV7 W;4;
+74(
III. C¸c d¹ng ®Æc tÝnh ngOµI CñA C¸C NGUåN §IÖN HµN
>2-+6X73#.57W
9)>2*,YM
>-!M>2@ H77WW(
>-#M>297W4

>-%M>2P
>-CM>2: HW7*Z
?[W@@$+RU

2
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I(A)

1
4
3
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9R+^49W)
_4+74;+^T9W37W;
@`@5[W/],3R2
96?]O)
IV.C¸C D¹NG NGUåN §IÖN HµN.
a7]+$#M
2
§å ¸n §TCS sinh viªn: Ng« ViÕt Cêng
nguån hµn hå quang mét chiÒu líp :T§H1-K45
S1`W*)
S1*)
L*?#M
SK+$]W 7W7*(
SK+$]b +Q(

c4765b+70/=d*P
<*)1*R+
Qe==7W7*)
faQ3:?
f_/.W +7W7*
P;7;]:?)))(
f=;;+98=ge)
V. Giíi h¹n ®Ò tµi
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V77)L7WT`?$$
RV7W)
3
§å ¸n §TCS sinh viªn: Ng« ViÕt Cêng
nguån hµn hå quang mét chiÒu líp :T§H1-K45
Ch¬ng II: Ph¬ng ¸n thiÕt kÕ
II.I S¬ ®å cÊu tróc cña nguån hµn hå quang mét
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SKQL=M+$]:`W*
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SKhML7W7R6=m)
Sk-M>9 ;7(<<7P
:*Q;7+959@)
Sk*6ML4P:7`*6
7`W*;6$74*657
L=G-6W3.)k*69:W]
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Đồ án ĐTCS sinh viên: Ngô Viết Cờng
nguồn hàn hồ quang một chiều lớp :TĐH1-K45
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7OW3.)
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%( Khm
) o[
a7+hm-24$
+ >V9MKh.9l.
+ oPM Khual,l,
π
+ KhvgMuh4RL==2R
W$7)
+) n3.+hm
SL]+h9p;bG.
=h;;h?p;7)
S\9?=m69+996=4+Jw
)
S_/7,7[7,7/
?77;77Pw)
SL=@35+h.97.=@5+
Q;677=?H;[W7<`
$=45+h)
6
§å ¸n §TCS sinh viªn: Ng« ViÕt Cêng
nguån hµn hå quang mét chiÒu líp :T§H1-K45

II.III C¸c ph¬ng ¸n thiÕt kÕ
!) KQ
a*V74h+Q)FZV7=V
726;W3.2@
**?7;*/=@h+70))
7WQ`w=@V7R?
)
a. cV.%*6@`P) L9H9u

∞→
(
7
§å ¸n §TCS sinh viªn: Ng« ViÕt Cêng
nguån hµn hå quang mét chiÒu líp :T§H1-K45
)! 5=VM
x9$
α
π
θ
+=
6

α
MH(;7`H
L!)LLE0)L!0,GAO=@V
a@)c4H5L!LD07!
743,AyA)\;739A

BA


SA
+
BA
+
)
8
§å ¸n §TCS sinh viªn: Ng« ViÕt Cêng
nguån hµn hå quang mét chiÒu líp :T§H1-K45
_
α
π
θ
+=
6
3
7`HL#;L#H,LE02A+3
&@5L#AzA+AzA,L#H
⇒
LE743
a7`*6
3
π
?.?$74*
657L=TP4!;#;%;C;D)
LZ;_L=W0,=Y7WL=
0)
)# >7=Q
∫
∫
+

+
−=
=
2
6
2
0
)
3
cos(.
6
)(.
2
1
π
α
π
α
π
θ
π
θ
π
θθ
π
d
duU
dd
α
π

cos
63
2 fd
UU =
=u

=α
A
#t
M>7+Q)
A

B
f
U
2
.
63
π
>7?23















−+






+=










+=
+
+
+
+
∫∫
6
5

2
6
0
2
2
3
2
6
0
3
sin
3
sin
2
6
.
2
1
π
α
π
π
α
π
π
α
π
α
π
θ

π
θ
π
θθ
π
f
ABACnv
U
duduU
fvn
UU
2,
.6=
\+,M
3
I
d
=
v
I
9
§å ¸n §TCS sinh viªn: Ng« ViÕt Cêng
nguån hµn hå quang mét chiÒu líp :T§H1-K45
\P7W+$7)
d
d
II
dII
3
2

.
1
2
6
5
6
22
2
=⇒
=
∫
+
+
π
α
π
α
θ
π
a/=7W+$7M
α
π
α
π
cos3

3
2
cos
63

3
.3
222
dd
d
d
fba
IU
I
U
IUS
=
==
α
π
cos3
2
=
d
ba
P
S
b. cV.%*6/@`P L9H9u

∞→
(
10
§å ¸n §TCS sinh viªn: Ng« ViÕt Cêng
nguån hµn hå quang mét chiÒu líp :T§H1-K45
+)! 5=V

x9$7+70@;=<73
G0``Q"lu

∞→
x9=g-6
α
π
θ
+=
6

2
π
α
=
(LD;LE0;7`
HL!;LD7743,AyAlL!
>ER0;>EQ0$7A
Ka
B";=;
>TA

[3>C0)1[W;
05L!=Y#>E>C0.?R)
_L!>E0MA

 BA
+ 
)_L!>C0W
{e9L!>C37A


B"
9.373H9)aP WH
α
π
θ
2
3
+=
7`HL%)c4H5L%L!7)aP
Z9
α
π
+
6
7`H!L=)
+)# >7=Q
A

B
f
U
2
.
63
π
;
2
cos1
0

α
+
=
dd
UU
;N

BN

'%
c. cVQE L9H9u

∞→
(
)! 5=V
11
A*
*
*
0
0
1
1
2
2
3
3
4
4
5

5
R
0
0
1
1
2
2
3
3
4
4
5
5
L
*
T1
B*
T2
C*
T3
T
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cVQ=7?+H=7+70@
+$7+=7[WP;3Z<+$7
@?)>77OE"
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93,Y)\=79H[W.VV57
7+=7)F=73;W
?7*?@)
LT=7 .w39,Y(
GW^Z+700/9!'Er)
c7=V7;,HQ=7W
+70+w)\=VQ=7|b
9)L-?GQ.p6$+
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fc@`,BE 
97$H=@
Q(3?7@V)
fcVW=@=g<+$7l/=
kK&.+^/=9)
fLkK&/?U78+P,
W[WPkK&`W*;3
]T5.!*[W33Z<+$
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12
§å ¸n §TCS sinh viªn: Ng« ViÕt Cêng
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⇒
7)
faV*6P!-67
`H#`6H#
f1$Q7,
B!'%93h=Y2*:;
+977;7;7P)
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fc@L=;=@/=V=V
Q=7;Z-67`Q.7`

!
faI =V Q .%*6
;=VWWPkK&`W
*3]&T9.!*[W3Z
<kK&+^/
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fc@.57Q<
*6)F
α
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Q.@`P;
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$=Y)
f_97,:h;
$$+977;7))
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f7?23B#;}#A
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f=VQE?U78+P
⇒
kK& 6R=V~•6$
?3]kK&:7P(
fkK&E[W7$P
⇒
7$+O
fc@?*6;**6
:)
II.V lùa chän ph¬ng ¸n
L3V=H[?657=V3W
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§å ¸n §TCS sinh viªn: Ng« ViÕt Cêng
nguån hµn hå quang mét chiÒu líp :T§H1-K45

ch¬ng III: Ho¹t ®éng cña toµn bé s¬ ®å nguyªn lý
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§å ¸n §TCS sinh viªn: Ng« ViÕt Cêng
nguån hµn hå quang mét chiÒu líp :T§H1-K45
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§å ¸n §TCS sinh viªn: Ng« ViÕt Cêng
nguån hµn hå quang mét chiÒu líp :T§H1-K45
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§å ¸n §TCS sinh viªn: Ng« ViÕt Cêng
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§å ¸n §TCS sinh viªn: Ng« ViÕt Cêng
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19
§å ¸n §TCS sinh viªn: Ng« ViÕt Cêng
nguån hµn hå quang mét chiÒu líp :T§H1-K45
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18
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Sa*4$5P
20
§å ¸n §TCS sinh viªn: Ng« ViÕt Cêng
nguån hµn hå quang mét chiÒu líp :T§H1-K45
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B";! (
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84,182,16 +
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84,1812 +
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B# (
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21
§å ¸n §TCS sinh viªn: Ng« ViÕt Cêng
nguån hµn hå quang mét chiÒu líp :T§H1-K45

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2
3
4
5
6
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