JPS55166399A - Electro-mechanical converter - Google Patents

Electro-mechanical converter

Info

Publication number
JPS55166399A
JPS55166399A JP7488579A JP7488579A JPS55166399A JP S55166399 A JPS55166399 A JP S55166399A JP 7488579 A JP7488579 A JP 7488579A JP 7488579 A JP7488579 A JP 7488579A JP S55166399 A JPS55166399 A JP S55166399A
Authority
JP
Japan
Prior art keywords
heat
coil
evaporation
operating fluid
room
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7488579A
Other languages
Japanese (ja)
Inventor
Mitsuaki Ooshima
Tatsuo Fukuyama
Kenichi Takahashi
Takafumi Ueno
Morihiro Miyazaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP7488579A priority Critical patent/JPS55166399A/en
Publication of JPS55166399A publication Critical patent/JPS55166399A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/022—Cooling arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

PURPOSE:To ensure the discharge of the generated heat on the mobile part of outside with the extremely low heat resistance, by using the evaporation latent heat produced by evaporation and condensation of the operating fluid. CONSTITUTION:The vapor of the operating fluid only exists inside sealed room 13, and the internal pressure features the saturated vapor pressure of the operating fluid at the temperature of the room. Accordingly, the operating fluid around voice coil 2 begins evaporation violently according to the heat generated from coil 2. And coil 2 is cooled to absorb the heat of evaporation. The vapor spreads inside room 13 and the condenses on the inner wall surface of the fixing parts of plate 5, front and back support parts 8 and 9, etc. to discharge the condensed heat to outside. The condensed operating fluid is carried up to gap part 19 via the caplillary structure parts 9 and 10 and by the function of the capillary tube, and then repeat the evaporation again according to the heat generation of coil 2. The generated Joule heat of coil 2 is transmitted to plate 5 as well as support parts 6 and 8 via the cooling cycle of the latent heat function, and then discharged outside continuously. As a result, the temperature increase can be reduced for coil 2.
JP7488579A 1979-06-13 1979-06-13 Electro-mechanical converter Pending JPS55166399A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7488579A JPS55166399A (en) 1979-06-13 1979-06-13 Electro-mechanical converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7488579A JPS55166399A (en) 1979-06-13 1979-06-13 Electro-mechanical converter

Publications (1)

Publication Number Publication Date
JPS55166399A true JPS55166399A (en) 1980-12-25

Family

ID=13560258

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7488579A Pending JPS55166399A (en) 1979-06-13 1979-06-13 Electro-mechanical converter

Country Status (1)

Country Link
JP (1) JPS55166399A (en)

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