SlideShare a Scribd company logo
1 of 15
Giaùo vieân höôùng daãn:

           Sinh vieân thöïc hieän:
NOÄI
I.
        DUNG thò cô
       Cô caáu chæ
       ñieän.
II.    Ampe keá.
III.   Voân keá.
IV.    OÂm keá.
V.     Ñoàng hoà vaïn
       naêng.
Giôùi thieäu veà cô caáu
   chæ thò cô ñieän
Laø cô caáu chæ thò coù tín hieäu vaøo laø
doøng ñieän vaø tín hieäu ra laø goùc quay
cuûa kim chæ thò.
Ñöôïc chia thaønh caùc loaïi:
 Cô caáu chæ thò kieåu töø ñieän
 Cô caáu chæ thò kieåu ñieän töø
 Cô caáu chæ thò kieåu ñieän ñoäng
 Cô caáu chæ thò kieåu caûm öùng
 Cô caáu chæ thò kieåu tónh ñieän
Cô caáu chæ thò töø ñieän
Ampe keá
Coâng duïng:
Ampe keá laø duïng cuï ño cöôøng
ñoä doøng ñieän ñöôïc maéc noái
tieáp trong maïch.
Phaân loaïi:
Goàm 2 loaïi chính:
 Ampe keá can thieäp.
 Ampe keá khoâng can thieäp.
Ampe keá khung quay ( Giavano
             keá)
Ampe keá truyeàn
thoáng, coøn goïi laø
Gavanoâ keá (ñieän
keá), laø moät boä
chuyeån ñoåi töø
cöôøng ñoä doøng
ñieän sang chuyeån
ñoäng quay, trong
moät cung, cuûa
moät cuoän daây
naèm trong töø
tröôøng.
Voân keá
•   Coâng duïng:
•   Voân keá laø
    moät duïng cuï
    ñöôïc söû duïng
    ñeå ño hieäu
    ñieän theá
    giöõa hai ñieåm
    trong moät
    maïch ñieän.
•   Caáu taïo vaø
    hoaït ñoäng:
•   Caùc Voân keá coù
    theå ñöôïc caáu taïo
    töø moät gavanoâ
    keá, hieån thò soá
    lieäu treân moät daûi
    lieân tuïc thoâng qua
    moät kim chæ treân
    thang ño; hoaëc ôû
    daïng soá khoâng
    lieân tuïc treân maøn
    hieån thò, thoâng qua
    boä bieán ñoåi töông
OÂm keá
    Coâng duïng:
    OÂm keá laø duïng cuï ñieän duøng ñeå ño ñieän trôû
    nhieàu thieát bò vaø ñoà duøng ñieän.
•   Caáu taïo vaø hoaït
    ñoäng:
•   Thieát keá truyeàn thoáng
    cuûa OÂm keá goàm moät
    cuïc pin nhoû cung caáp moät
    ñieän theá cho ñieän trôû.
    Moät Gavanoâ keá ño
    cöôøng ñoä doøng ñieän qua
    ñieän trôû vaø theo ñònh
    luaät Ohm, suy ra trò soá
    cuûa ñieän trôû:
Ñoàng hoà vaïn naêng
     Ñoàng hoà vaïn naêng hay vaïn
naêng keá laø moät duïng cuï ño löôøng
ñieän tích hôïp nhieàu chöùc naêng. Caùc
chöùc naêng cô baûn laø ampe keá, voân
keá vaø oâm keá, ngoaøi ra coù moät soá
ñoàng hoà coøn coù theå ño taàn soá
doøng ñieän, ñieän dung tuï ñieän, kieåm
tra boùng baùn daãn (transitor)...
    Goàm coù 2 loaïi:
  1.Ñoàng hoà vaïn naêng hieån thò kim
  2.Ñoàng hoà vaïn naêng ñieän töû
Ñoàng hoà vaïn naêng hieån thò
                kim
  Ra ñôøi tröôùc vaø daàn bò
thay theá bôûi vaïn naêng keá
ñieän töû.
   Boä phaän chính cuûa noù
laø moät Gavanoâ keá.
  Thöôøng chæ thöïc hieän
ño caùc ñaïi löôïng ñieän hoïc
cô baûn laø cöôøng ñoä
doøng ñieän, hieäu ñieän theá
vaø ñieän trôû.
   Hieån thò keát quaû ño
ñöôïc thöïc hieän baèng kim
chæ treân moät thöôùc hình
Ñoàng hoà vaïn naêng ñieän
             töû
Laø moät ñoàng hoà vaïn naêng söû duïng
caùc linh kieän ñieän töû chuû ñoäng, vaø
do ñoù caàn coù nguoàn ñieän nhö pin.
Ñaây laø loaïi thoâng duïng nhaát hieän nay
cho nhöõng ngöôøi laøm coâng taùc kieåm
tra ñieän vaø ñieän töû.
 Keát quaû cuûa pheùp ño thöôøng ñöôïc
hieån thò treân moät maøn tinh theå loûng
neân ñoàng hoä coøn ñöôïc goïi laø ñoàng
hoà vaïn naêng ñieän töû hieän soá.
 Löïa choïn caùc ñôn
 vò ño, thang ño ñöôïc
 tieán haønh baèng
 caùc nuùt baám, hay
 moät coâng taéc
 xoay, coù nhieàu
 naác, vaø vieäc caém
 daây noái kim ño
 vaøo ñuùng caùc loã.

 Nhieàu vaïn naêng
 keá hieän ñaïi coù
 theå töï ñoäng choïn
Öu ñieåm cuûa vaïn naêng keá ñieän töû.
o Coù theå ño hieäu ñieän theá hay cöôøng ñoä doøng
  ñieän nhoû khi ñieän trôû lôùn.
o Coù theå ño ñoä töï caûm cuûa cuoän caûm vaø ñieän
  dung cuûa tuï ñieän ⇒ coù ích khi kieåm tra vaø laép
  ñaët maïch ñieän.
o Kieåm tra diode vaø transistor ⇒ coù ích cho söûa
  chöõa maïch ñieän.
o Hoã trôï cho ño nhieät ñoä baèng caëp nhieät.
o Ño taàn soá trung bình, khueách ñaïi aâm thanh, ñeå
  ñieàu chænh maïch ñieän cuûa radio. Cho pheùp nghe
  tín hieäu thay cho nhìn thaáy tín hieäu (nhö trong dao
  ñoäng keá).
o Boä kieåm tra ñieän thoaïi.
o Boä kieåm tra maïch ñieän oâ-toâ.
o Löu giöõ soá lieäu ño ñaïc (ví duï cuûa hieäu ñieän
San pham nhom 3

More Related Content

Featured

2024 State of Marketing Report – by Hubspot
2024 State of Marketing Report – by Hubspot2024 State of Marketing Report – by Hubspot
2024 State of Marketing Report – by HubspotMarius Sescu
 
Everything You Need To Know About ChatGPT
Everything You Need To Know About ChatGPTEverything You Need To Know About ChatGPT
Everything You Need To Know About ChatGPTExpeed Software
 
Product Design Trends in 2024 | Teenage Engineerings
Product Design Trends in 2024 | Teenage EngineeringsProduct Design Trends in 2024 | Teenage Engineerings
Product Design Trends in 2024 | Teenage EngineeringsPixeldarts
 
How Race, Age and Gender Shape Attitudes Towards Mental Health
How Race, Age and Gender Shape Attitudes Towards Mental HealthHow Race, Age and Gender Shape Attitudes Towards Mental Health
How Race, Age and Gender Shape Attitudes Towards Mental HealthThinkNow
 
AI Trends in Creative Operations 2024 by Artwork Flow.pdf
AI Trends in Creative Operations 2024 by Artwork Flow.pdfAI Trends in Creative Operations 2024 by Artwork Flow.pdf
AI Trends in Creative Operations 2024 by Artwork Flow.pdfmarketingartwork
 
PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024Neil Kimberley
 
Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)contently
 
How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024Albert Qian
 
Social Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie InsightsSocial Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie InsightsKurio // The Social Media Age(ncy)
 
Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024Search Engine Journal
 
5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summarySpeakerHub
 
ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd Clark Boyd
 
Getting into the tech field. what next
Getting into the tech field. what next Getting into the tech field. what next
Getting into the tech field. what next Tessa Mero
 
Google's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search IntentGoogle's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search IntentLily Ray
 
Time Management & Productivity - Best Practices
Time Management & Productivity -  Best PracticesTime Management & Productivity -  Best Practices
Time Management & Productivity - Best PracticesVit Horky
 
The six step guide to practical project management
The six step guide to practical project managementThe six step guide to practical project management
The six step guide to practical project managementMindGenius
 
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...RachelPearson36
 

Featured (20)

2024 State of Marketing Report – by Hubspot
2024 State of Marketing Report – by Hubspot2024 State of Marketing Report – by Hubspot
2024 State of Marketing Report – by Hubspot
 
Everything You Need To Know About ChatGPT
Everything You Need To Know About ChatGPTEverything You Need To Know About ChatGPT
Everything You Need To Know About ChatGPT
 
Product Design Trends in 2024 | Teenage Engineerings
Product Design Trends in 2024 | Teenage EngineeringsProduct Design Trends in 2024 | Teenage Engineerings
Product Design Trends in 2024 | Teenage Engineerings
 
How Race, Age and Gender Shape Attitudes Towards Mental Health
How Race, Age and Gender Shape Attitudes Towards Mental HealthHow Race, Age and Gender Shape Attitudes Towards Mental Health
How Race, Age and Gender Shape Attitudes Towards Mental Health
 
AI Trends in Creative Operations 2024 by Artwork Flow.pdf
AI Trends in Creative Operations 2024 by Artwork Flow.pdfAI Trends in Creative Operations 2024 by Artwork Flow.pdf
AI Trends in Creative Operations 2024 by Artwork Flow.pdf
 
Skeleton Culture Code
Skeleton Culture CodeSkeleton Culture Code
Skeleton Culture Code
 
PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024
 
Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)
 
How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024
 
Social Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie InsightsSocial Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie Insights
 
Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024
 
5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary
 
ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd
 
Getting into the tech field. what next
Getting into the tech field. what next Getting into the tech field. what next
Getting into the tech field. what next
 
Google's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search IntentGoogle's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search Intent
 
How to have difficult conversations
How to have difficult conversations How to have difficult conversations
How to have difficult conversations
 
Introduction to Data Science
Introduction to Data ScienceIntroduction to Data Science
Introduction to Data Science
 
Time Management & Productivity - Best Practices
Time Management & Productivity -  Best PracticesTime Management & Productivity -  Best Practices
Time Management & Productivity - Best Practices
 
The six step guide to practical project management
The six step guide to practical project managementThe six step guide to practical project management
The six step guide to practical project management
 
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
 

San pham nhom 3

  • 1. Giaùo vieân höôùng daãn: Sinh vieân thöïc hieän:
  • 2. NOÄI I. DUNG thò cô Cô caáu chæ ñieän. II. Ampe keá. III. Voân keá. IV. OÂm keá. V. Ñoàng hoà vaïn naêng.
  • 3. Giôùi thieäu veà cô caáu chæ thò cô ñieän Laø cô caáu chæ thò coù tín hieäu vaøo laø doøng ñieän vaø tín hieäu ra laø goùc quay cuûa kim chæ thò. Ñöôïc chia thaønh caùc loaïi:  Cô caáu chæ thò kieåu töø ñieän  Cô caáu chæ thò kieåu ñieän töø  Cô caáu chæ thò kieåu ñieän ñoäng  Cô caáu chæ thò kieåu caûm öùng  Cô caáu chæ thò kieåu tónh ñieän
  • 4. Cô caáu chæ thò töø ñieän
  • 5. Ampe keá Coâng duïng: Ampe keá laø duïng cuï ño cöôøng ñoä doøng ñieän ñöôïc maéc noái tieáp trong maïch. Phaân loaïi: Goàm 2 loaïi chính:  Ampe keá can thieäp.  Ampe keá khoâng can thieäp.
  • 6. Ampe keá khung quay ( Giavano keá) Ampe keá truyeàn thoáng, coøn goïi laø Gavanoâ keá (ñieän keá), laø moät boä chuyeån ñoåi töø cöôøng ñoä doøng ñieän sang chuyeån ñoäng quay, trong moät cung, cuûa moät cuoän daây naèm trong töø tröôøng.
  • 7. Voân keá • Coâng duïng: • Voân keá laø moät duïng cuï ñöôïc söû duïng ñeå ño hieäu ñieän theá giöõa hai ñieåm trong moät maïch ñieän.
  • 8. Caáu taïo vaø hoaït ñoäng: • Caùc Voân keá coù theå ñöôïc caáu taïo töø moät gavanoâ keá, hieån thò soá lieäu treân moät daûi lieân tuïc thoâng qua moät kim chæ treân thang ño; hoaëc ôû daïng soá khoâng lieân tuïc treân maøn hieån thò, thoâng qua boä bieán ñoåi töông
  • 9. OÂm keá Coâng duïng: OÂm keá laø duïng cuï ñieän duøng ñeå ño ñieän trôû nhieàu thieát bò vaø ñoà duøng ñieän. • Caáu taïo vaø hoaït ñoäng: • Thieát keá truyeàn thoáng cuûa OÂm keá goàm moät cuïc pin nhoû cung caáp moät ñieän theá cho ñieän trôû. Moät Gavanoâ keá ño cöôøng ñoä doøng ñieän qua ñieän trôû vaø theo ñònh luaät Ohm, suy ra trò soá cuûa ñieän trôû:
  • 10. Ñoàng hoà vaïn naêng  Ñoàng hoà vaïn naêng hay vaïn naêng keá laø moät duïng cuï ño löôøng ñieän tích hôïp nhieàu chöùc naêng. Caùc chöùc naêng cô baûn laø ampe keá, voân keá vaø oâm keá, ngoaøi ra coù moät soá ñoàng hoà coøn coù theå ño taàn soá doøng ñieän, ñieän dung tuï ñieän, kieåm tra boùng baùn daãn (transitor)... Goàm coù 2 loaïi: 1.Ñoàng hoà vaïn naêng hieån thò kim 2.Ñoàng hoà vaïn naêng ñieän töû
  • 11. Ñoàng hoà vaïn naêng hieån thò kim Ra ñôøi tröôùc vaø daàn bò thay theá bôûi vaïn naêng keá ñieän töû.  Boä phaän chính cuûa noù laø moät Gavanoâ keá. Thöôøng chæ thöïc hieän ño caùc ñaïi löôïng ñieän hoïc cô baûn laø cöôøng ñoä doøng ñieän, hieäu ñieän theá vaø ñieän trôû.  Hieån thò keát quaû ño ñöôïc thöïc hieän baèng kim chæ treân moät thöôùc hình
  • 12. Ñoàng hoà vaïn naêng ñieän töû Laø moät ñoàng hoà vaïn naêng söû duïng caùc linh kieän ñieän töû chuû ñoäng, vaø do ñoù caàn coù nguoàn ñieän nhö pin. Ñaây laø loaïi thoâng duïng nhaát hieän nay cho nhöõng ngöôøi laøm coâng taùc kieåm tra ñieän vaø ñieän töû. Keát quaû cuûa pheùp ño thöôøng ñöôïc hieån thò treân moät maøn tinh theå loûng neân ñoàng hoä coøn ñöôïc goïi laø ñoàng hoà vaïn naêng ñieän töû hieän soá.
  • 13.  Löïa choïn caùc ñôn vò ño, thang ño ñöôïc tieán haønh baèng caùc nuùt baám, hay moät coâng taéc xoay, coù nhieàu naác, vaø vieäc caém daây noái kim ño vaøo ñuùng caùc loã.  Nhieàu vaïn naêng keá hieän ñaïi coù theå töï ñoäng choïn
  • 14. Öu ñieåm cuûa vaïn naêng keá ñieän töû. o Coù theå ño hieäu ñieän theá hay cöôøng ñoä doøng ñieän nhoû khi ñieän trôû lôùn. o Coù theå ño ñoä töï caûm cuûa cuoän caûm vaø ñieän dung cuûa tuï ñieän ⇒ coù ích khi kieåm tra vaø laép ñaët maïch ñieän. o Kieåm tra diode vaø transistor ⇒ coù ích cho söûa chöõa maïch ñieän. o Hoã trôï cho ño nhieät ñoä baèng caëp nhieät. o Ño taàn soá trung bình, khueách ñaïi aâm thanh, ñeå ñieàu chænh maïch ñieän cuûa radio. Cho pheùp nghe tín hieäu thay cho nhìn thaáy tín hieäu (nhö trong dao ñoäng keá). o Boä kieåm tra ñieän thoaïi. o Boä kieåm tra maïch ñieän oâ-toâ. o Löu giöõ soá lieäu ño ñaïc (ví duï cuûa hieäu ñieän