GB1384584A - Battery charger - Google Patents

Battery charger

Info

Publication number
GB1384584A
GB1384584A GB1759472A GB1759472A GB1384584A GB 1384584 A GB1384584 A GB 1384584A GB 1759472 A GB1759472 A GB 1759472A GB 1759472 A GB1759472 A GB 1759472A GB 1384584 A GB1384584 A GB 1384584A
Authority
GB
United Kingdom
Prior art keywords
rectifier
battery
power source
charging
potential
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.)
Expired
Application number
GB1759472A
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.)
Gates Rubber Co
Original Assignee
Gates Rubber 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 Gates Rubber Co filed Critical Gates Rubber Co
Publication of GB1384584A publication Critical patent/GB1384584A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
    • H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

1384584 Battery charging systems GATES RUBBER CO 17 April 1972 [19 April 1971] 17594/72 Heading H2H A battery charging system comprises a power source and a controlled rectifier S.C.R. series connectible to a battery B to be charged, a potential divider R1, 30 being connected across the power source and the rectifier being allowed to heat up during initial charging of the battery to lower the potential across the gate-cathode junction at which the rectifier conducts and thereby increasing the initial charging rate. The power source includes a transformer T connected to a mains A.C. supply and the device 30 may be a thermistor, strain gauge, pressure transducer, resistor or photodiode but is preferably a Zener diode (ZD 2 ), Fig. 2 (not shown), connected in parallel with a potentiometer (R2) the tapping point of which is connected via a diode D1 to the gate electrode 28 of the rectifier. During initial charging the rectifier heats up since it is not provided with a heat sink, and due to the fact that the gate-cathode potential at which the rectifier conducts is inversely proportional to the temperature, the rectifier is fired early in each half cycle to supply a high charging current to the battery. As the battery approaches the end of charge the current through the rectifier decreases and the resultant cooling of the rectifier S.C.R. delays its firing point until the rectifier is eventually switched off. Thus overcharging of the battery is prevented. The power source may include a full wave rectifier.
GB1759472A 1971-04-19 1972-04-17 Battery charger Expired GB1384584A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13526471A 1971-04-19 1971-04-19

Publications (1)

Publication Number Publication Date
GB1384584A true GB1384584A (en) 1975-02-19

Family

ID=22467293

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1759472A Expired GB1384584A (en) 1971-04-19 1972-04-17 Battery charger

Country Status (7)

Country Link
JP (1) JPS4740048A (en)
BR (1) BR7202101D0 (en)
CA (1) CA965145A (en)
DE (1) DE2217541C3 (en)
FR (1) FR2133845B1 (en)
GB (1) GB1384584A (en)
SE (1) SE382895B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01152930A (en) * 1987-12-08 1989-06-15 Matsushita Electric Ind Co Ltd Battery charging circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614584A (en) * 1970-03-20 1971-10-19 Mccullock Corp Termination of battery charging

Also Published As

Publication number Publication date
CA965145A (en) 1975-03-25
DE2217541B2 (en) 1975-01-02
DE2217541A1 (en) 1972-11-02
FR2133845A1 (en) 1972-12-01
SE382895B (en) 1976-02-16
DE2217541C3 (en) 1975-08-07
FR2133845B1 (en) 1976-08-06
BR7202101D0 (en) 1973-05-10
JPS4740048A (en) 1972-12-09

Similar Documents

Publication Publication Date Title
GB1468403A (en) Charging device
SE7909064L (en) PROCEDURE FOR OPERATION OF AN INTERRUPT-FREE POWER SUPPLY AND DEVICE IN ACCORDANCE WITH THE PROCEDURE
NO147395C (en) DEVICE OF A CHARGED DIESEL ENGINE WITH A LOW COMPRESSION CONDITION FOR COOLING THE CHARGING AIR
GB1450299A (en) Storage battery chargers
SE7506481L (en) BATTERY CHARGE CIRCUIT.
ES435056A1 (en) Automatic electric battery charging apparatus
GB1326335A (en) Battery charger
GB1346131A (en) Two step solid state battery charger
GB1091636A (en) A snap-action trigger circuit including a controlled rectifier switching device
GB1384584A (en) Battery charger
US3911351A (en) Battery charging protective circuit for use in charging nickel cadmium batteries
US4087733A (en) Battery charger
ES389070A1 (en) Voltage regulators for use in battery charging systems
GB1210984A (en) Method and device for reading thermoluminescent dosimeters
SE7613853L (en) THERMOSTAT DEVICE
ATE627T1 (en) DEVICE FOR CONTROLLING THE CHARGE OF A BATTERY.
ES361341A1 (en) Defrosting controller for electric refrigerator
JPS5746067A (en) Glow plug preheating device
GB1113016A (en) Improvements in or relating to d.c. power supply arrangements
GB1468513A (en) Battery chargers
GB1204525A (en) Improvements in or relating to power control systems
JPS553048A (en) Temperature control unit
FR903078A (en) Method and device for increasing the power or capacity of electric accumulators by heat input
GB1082102A (en) Improvements in or relating to temperature sensitive charging controls
GB1279310A (en) Method and means for rapidly charging storage batteries

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee