SG11201907675RA - Apparatus and method for detecting current overload and leakage in a transport refrigeration unit - Google Patents

Apparatus and method for detecting current overload and leakage in a transport refrigeration unit

Info

Publication number
SG11201907675RA
SG11201907675RA SG11201907675RA SG11201907675RA SG11201907675RA SG 11201907675R A SG11201907675R A SG 11201907675RA SG 11201907675R A SG11201907675R A SG 11201907675RA SG 11201907675R A SG11201907675R A SG 11201907675RA SG 11201907675R A SG11201907675R A SG 11201907675RA
Authority
SG
Singapore
Prior art keywords
international
detection circuit
fault detection
switch
voltage
Prior art date
Application number
SG11201907675RA
Inventor
Jamal Zarrabi
Original Assignee
Carrier Corp
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 Carrier Corp filed Critical Carrier Corp
Publication of SG11201907675RA publication Critical patent/SG11201907675RA/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40—Testing power supplies
    • G01R31/42—AC power supplies
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • 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
    • H02H7/06—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 generators; for synchronous capacitors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

PCTIB/000289 (51) International Patent Classification: H02H 3/08 (2006.01) GO1R 31/26 (2014.01) (21) International Application Number: (22) International Filing Date: 28 February 2017 (28.02.2017) English English (25) Filing Language: (26) Publication Language: 204 PHASE1/11 /„.-- 302 ACTIVE FAULT DETECTION CIRCUIT 424 310 428 GN 2V (71) Applicant: CARRIER CORPORATION [US/US]; 17900 Beeline Highway, Jupiter, FL 33478 (US). (72) Inventor; and (71) Applicant (for US only): ZARRABI, Jamal [FR/FR]; 28 Jardins Des Perelles, 27700 Les Andelys (FR). (74) Agent: FOX, David, A. et al.; Cantor Colburn Llp, 20 Church Street, 22nd Floor, Hartford, CT 06103 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, (54) Title: APPARATUS AND METHOD FOR DETECTING CURRENT OVERLOAD AND LEAKAGE IN A TRANSPORT RE- FRIGERATION UNIT 206 CURRENT TRANSFORMER • V 408 404 306 „ g , VOLTAGE ADAPTER CURRENT os 412 MEASUREMENT MICROCONTROLLER 314 CIRCUIT 422 ► CND VCC 8 6 tc - \" 416 VOLTAGE VOLTAGE ADAPTER REGULATOR 312 420 414 GENERATOR LOAD AGE N 2 • 322 324 426 208 214 MICROPROCESSOR 338 430 336 [' -...334 332 -x.330-216 326 C BATTERY 328 432 218 220 434 436 ON-BOARD DIAGNOSTIC UNIT DISPLAY INDICATOR(S) OVERAGE INDICATOR LEAKAGE INDICATOR FIG. 4 (57) : A system and method for detecting current overload and leakage in a transport refrigeration unit. The method comprises measuring, by a microcontroller of an active fault detection circuit, a line current for each of one or more phases supplying power to a load of a refrigerant vapor compression system of the transport refrigeration unit; measuring, by the microcontroller, a voltage received by the active fault detection circuit from a battery of the transport refrigeration unit and transmitted via a conductor of the active fault detection circuit to a microprocessor of the refrigerant vapor compression system; controlling, by the microcontroller, a switch along the conductor of the active fault detection circuit to control transmission of the voltage, via the conductor to the microprocessor, Controlling the switch comprises (i) closing the switch upon a determination that the voltage level is greater than or equal to an operational threshold voltage level, (ii) closing the switch upon a determination that the voltage level is less than the operational threshold voltage level, N O GC 00 O N C (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 07 September 2018 (07.09.2018) WIP0 I PCT 01E1°1°1a °nolo HE oimIE (10) International Publication Number WO 2018/158602 Al [Continued on next page] WO 2018/158602 Al MIDEDIM01101 DIONER13111111111111111111111111111111111111111111 TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3)) and (iii) opening the switch upon a determination that any of the one or more line currents exceeds a threshold. Other embodiments are described herein.
SG11201907675RA 2017-02-28 2017-02-28 Apparatus and method for detecting current overload and leakage in a transport refrigeration unit SG11201907675RA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2017/000289 WO2018158602A1 (en) 2017-02-28 2017-02-28 Apparatus and method for detecting current overload and leakage in a transport refrigeration unit

Publications (1)

Publication Number Publication Date
SG11201907675RA true SG11201907675RA (en) 2019-09-27

Family

ID=58609602

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201907675RA SG11201907675RA (en) 2017-02-28 2017-02-28 Apparatus and method for detecting current overload and leakage in a transport refrigeration unit

Country Status (5)

Country Link
US (1) US11303107B2 (en)
EP (1) EP3590165B1 (en)
CN (1) CN110326179B (en)
SG (1) SG11201907675RA (en)
WO (1) WO2018158602A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG11202012030TA (en) * 2018-09-17 2021-04-29 Carrier Corp Self validation of controller internal circuits
EP3883796A1 (en) 2018-11-21 2021-09-29 Carrier Corporation Battery protection in a transport refrigeration system
US20230344224A1 (en) * 2022-04-22 2023-10-26 Carrier Corporation Grid shield

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US5172561A (en) 1992-05-01 1992-12-22 Thermo King Corporation Pre-trip diagnostic methods for a transport refrigeration unit
DE19617054C2 (en) * 1996-04-29 2002-05-08 Semikron Elektronik Gmbh Overcurrent and short circuit protection
US6102665A (en) 1997-10-28 2000-08-15 Coltec Industries Inc Compressor system and method and control for same
MXPA00009521A (en) 1998-05-15 2004-03-10 Vasu Tech Ltd Multipoint digital temperature controller.
US6130487A (en) 1999-02-19 2000-10-10 Paccar Inc Electronic interface and method for connecting the electrical systems of a truck and trailer
US6119469A (en) 1999-06-14 2000-09-19 Spx Corporation Programmable electronic start-up delay for refrigeration units
US7047753B2 (en) 2000-03-14 2006-05-23 Hussmann Corporation Refrigeration system and method of operating the same
DE10016520A1 (en) * 2000-04-03 2001-10-11 Implex Hear Tech Ag Implantable energy storage arrangement for a medical implant and operating method therefor
CN100576703C (en) 2003-12-30 2009-12-30 爱默生气候技术公司 Compressor protection and diagnostic system
US7412842B2 (en) 2004-04-27 2008-08-19 Emerson Climate Technologies, Inc. Compressor diagnostic and protection system
US8590325B2 (en) 2006-07-19 2013-11-26 Emerson Climate Technologies, Inc. Protection and diagnostic module for a refrigeration system
US8393169B2 (en) 2007-09-19 2013-03-12 Emerson Climate Technologies, Inc. Refrigeration monitoring system and method
JP5109761B2 (en) * 2008-03-31 2012-12-26 株式会社デンソー Electric compressor for vehicles
JP2012512620A (en) 2008-12-19 2012-05-31 プロテクテレック ピーティーワイ リミテッド Sentinel system for IT power distribution system with floating reference conductor
US9499027B2 (en) 2010-09-28 2016-11-22 Carrier Corporation Operation of transport refrigeration systems to prevent engine stall and overload
EP2628235B1 (en) * 2010-10-12 2019-06-26 Heartware, Inc. Fault-tolerant power supply
CN102231553B (en) * 2011-07-06 2016-03-23 天津市松正电动汽车技术股份有限公司 The battery management system that charged controls
US8964338B2 (en) 2012-01-11 2015-02-24 Emerson Climate Technologies, Inc. System and method for compressor motor protection
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KR101953558B1 (en) * 2012-10-23 2019-03-04 한국전자통신연구원 Apparatus and Method for Fault Management of Smart Devices
CN105850003B (en) * 2013-12-27 2018-06-29 株式会社藤仓 Accumulating system and charge accumulating method
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Also Published As

Publication number Publication date
EP3590165B1 (en) 2024-04-24
WO2018158602A1 (en) 2018-09-07
US11303107B2 (en) 2022-04-12
US20210281064A1 (en) 2021-09-09
EP3590165A1 (en) 2020-01-08
CN110326179B (en) 2022-04-01
CN110326179A (en) 2019-10-11

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