BR9900088A - Termostato de compressor de fase única com relé de partida e proteção de motor. - Google Patents

Termostato de compressor de fase única com relé de partida e proteção de motor.

Info

Publication number
BR9900088A
BR9900088A BR9900088-1A BR9900088A BR9900088A BR 9900088 A BR9900088 A BR 9900088A BR 9900088 A BR9900088 A BR 9900088A BR 9900088 A BR9900088 A BR 9900088A
Authority
BR
Brazil
Prior art keywords
circuit
voltage
compressor
thermostat
relay
Prior art date
Application number
BR9900088-1A
Other languages
English (en)
Inventor
James B Farr
Original Assignee
Tecumseh Products Co
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 Tecumseh Products Co filed Critical Tecumseh Products Co
Publication of BR9900088A publication Critical patent/BR9900088A/pt

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/025—Motor control arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/09—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against over-voltage; against reduction of voltage; against phase interruption
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/90—Specific system operational feature
    • Y10S388/903—Protective, e.g. voltage or current limit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/923—Specific feedback condition or device
    • Y10S388/934—Thermal condition

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Protection Of Generators And Motors (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

Patente de Invenção; <B>"TERMOSTATO DE COMPRESSOR DE FASE úNICA COM RELé DE PARTIDA E PROTEçãO DE MOTOR"<D>. A presente invenção envolve um sistema de refrigeração. O sistema de refrigeração compreende um motor de compressor elétrico (38), uma linha (42) adaptada a fim de ser conectada a uma linha de energia elétrica e um circuito de controle do termostato (20). O circuito de controle de termostato compreende um circuito lógico que responde ao termostato (22) acoplado a um sensor de temperatura (40) associado com o compressor e um circuito de controle de motor em estado sólido. O circuito de controle de motor em estado sólido inclui um circuito de relé (24), um circuito de alternância de energia (26), um circuito de partida de compressor (36) com um temporizador de sobrecarga, um circuito de proteção contra alta voltagem (30), um circuito de proteção contra voltagem insuficiente (32) e um circuito limitador de corrente de funcionamento (28). O circuito de relé inclui um acoplador ótico (44) e um triac (46) para fornecer a voltagem em linha para o compressor através de um resistor de partida (48). O circuito de alternância de energia inclui um par de SCRs (50, 52) conectados em paralelo como um comutador para permitir que a corrente flua através do compressor. O temporizador de sobrecarga que compreende um resistor (54) e o capacitor (56) mascara o circuito limitador de circuito de funcionamento durante o período de partida do compressor por cerca de um segundo. O circuito limitador de corrente em funcionamento inclui dois comparadores de voltagem (58, 60) dispostos em paralelo para monitorar as partes positiva e negativa do fluxo de corrente AC através do compressor. O circuito de referência de voltagem fornece uma voltagem de suprimento e uma voltagem de referência. O circuito de voltagem de referência inclui uma porta NAND (62) que regula a voltagem de suprimento. O circuito de referência de voltagem também inclui um diodo zener (64) para servir como uma referência precisa para a voltagem de referência. O circuito de proteção contra alta voltagem, o circuito de proteção contra a voltagem insuficiente e o circuito limitador de correne de funcionamento compartilham a mesma voltagem de referência.
BR9900088-1A 1998-01-12 1999-01-11 Termostato de compressor de fase única com relé de partida e proteção de motor. BR9900088A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7123798P 1998-01-12 1998-01-12

Publications (1)

Publication Number Publication Date
BR9900088A true BR9900088A (pt) 2000-01-04

Family

ID=22100114

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9900088-1A BR9900088A (pt) 1998-01-12 1999-01-11 Termostato de compressor de fase única com relé de partida e proteção de motor.

Country Status (4)

Country Link
US (1) US6020702A (pt)
EP (1) EP0935328A3 (pt)
BR (1) BR9900088A (pt)
CA (1) CA2258375C (pt)

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US20080216494A1 (en) 2006-09-07 2008-09-11 Pham Hung M Compressor data module
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US8212548B2 (en) 2008-06-02 2012-07-03 Veris Industries, Llc Branch meter with configurable sensor strip arrangement
US8421639B2 (en) 2008-11-21 2013-04-16 Veris Industries, Llc Branch current monitor with an alarm
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US10006948B2 (en) 2011-02-25 2018-06-26 Veris Industries, Llc Current meter with voltage awareness
US9146264B2 (en) 2011-02-25 2015-09-29 Veris Industries, Llc Current meter with on board memory
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US9329996B2 (en) 2011-04-27 2016-05-03 Veris Industries, Llc Branch circuit monitor with paging register
US9250308B2 (en) 2011-06-03 2016-02-02 Veris Industries, Llc Simplified energy meter configuration
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JP6141526B2 (ja) * 2013-10-09 2017-06-07 ジョンソン コントロールズ テクノロジー カンパニーＪｏｈｎｓｏｎ Ｃｏｎｔｒｏｌｓ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏｍｐａｎｙ モータハウジング温度制御システム
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CN107084514B (zh) * 2017-06-26 2020-09-15 广东美的暖通设备有限公司 一种用于空调系统压力保护的装置和空调系统
CN111237180B (zh) * 2019-12-27 2021-04-16 泰豪科技股份有限公司 一种空气压缩机、空气压缩机启动装置及其启动电路
CN111023441B (zh) * 2019-12-30 2021-08-24 Tcl空调器(中山)有限公司 一种空调控制方法、系统、存储介质及空调器
CN115388611A (zh) * 2022-08-22 2022-11-25 海信冰箱有限公司 一种冰箱及其压缩机控制方法

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Also Published As

Publication number Publication date
CA2258375A1 (en) 1999-07-12
US6020702A (en) 2000-02-01
EP0935328A3 (en) 2000-03-22
EP0935328A2 (en) 1999-08-11
CA2258375C (en) 2003-07-08

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 10A E 11A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 2060 DE 29/06/2010.