This presentation is the property of its rightful owner.
Sponsored Links
1 / 24

第四章 电感式传感器 PowerPoint PPT Presentation


  • 56 Views
  • Uploaded on
  • Presentation posted in: General

第四章 电感式传感器. 电磁感应. 测量电路. 被测非电量. 自感系数 L. U 、 I 、 f. 互感系数 M. 自感式传感器. 电感式传感器. 互感式传感器. 电涡流式传感器. §4.1 自感式传感器. 线圈. 铁芯. δ. Δ δ. 衔铁. §4.1.1 自感式传感器的工作原理. 线圈匝数. I 为线圈中所通交流电的有效值。. 总磁阻. 图 4-1 变磁阻式传感器. 两式联立得 :. 2. 导磁率 H/m. 磁导率. 而. 其中. 空气导磁率.

Download Presentation

第四章 电感式传感器

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


6636171


6636171

L

UIf

M


6636171

4.1

4.1.1

I

4-1

:

2


6636171

H/m

AL

A


6636171

L

L= f (A)

L= f ()

A

4-3


6636171

F

220V


6636171

F


6636171

4.1.2


6636171


6636171


6636171

4.1.3


6636171

3

1

4

4

3

4

3

1

2

4

2

1

4-43

a

b

c

4-4

1- 2- 3- 4-


6636171

L1

R1

R2

L2


6636171


6636171


6636171

Rc

C

Z

Re

L

4.1.4

RCReC

4-6


6636171

Z1

R1

ZL

R2

Z2

4.1.5

1.

Z1Z2R1R2

4-7

Z1= Z2= Z = RS+jL

R1 = R2 = R L1= L2= L0


6636171


6636171

L/mH

100

75

50

25

0

25

50

75

100

/mm

1

3

4

2

12

1

3

2

4

4

-

U0U0180

3


6636171

~

Z1Z2

I

C

A

Z1

A

C

Z2

D

D

B

4-8

B


6636171


6636171

Q


6636171


6636171


  • Login