CN1447490A - Timer utilized in charging up batteries - Google Patents

Timer utilized in charging up batteries Download PDF

Info

Publication number
CN1447490A
CN1447490A CN 03114193 CN03114193A CN1447490A CN 1447490 A CN1447490 A CN 1447490A CN 03114193 CN03114193 CN 03114193 CN 03114193 A CN03114193 A CN 03114193A CN 1447490 A CN1447490 A CN 1447490A
Authority
CN
China
Prior art keywords
charging
triode
timer
circuit
charge
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.)
Granted
Application number
CN 03114193
Other languages
Chinese (zh)
Other versions
CN1277341C (en
Inventor
范继光
喻德茂
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.)
SONGSHUN ELECTRONIC (SHENZHEN) CO Ltd
Original Assignee
SONGSHUN ELECTRONIC (SHENZHEN) 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 SONGSHUN ELECTRONIC (SHENZHEN) CO Ltd filed Critical SONGSHUN ELECTRONIC (SHENZHEN) CO Ltd
Priority to CN 03114193 priority Critical patent/CN1277341C/en
Publication of CN1447490A publication Critical patent/CN1447490A/en
Application granted granted Critical
Publication of CN1277341C publication Critical patent/CN1277341C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

A timer for charging up batteries includes the transformer, the rectification circuit, the limiting resistor, the charging switch and the charging time control circuit composed of the charge control switch circuit, the timer and the charge start testing circuit. The output of the transformer is connected to the rectification circuit, whose output passing through the limiting resistor is connected to the positive pole end B+ of the charging switch. The charging switch is connected to the limiting resistor is parallel. The charge start signal detected by the charge start testing circuit is input to the timer. The control signal output by the timer is connected to the charge control switch circuit to control the on/off of the charge control switch circuit.

Description

The battery charge timer
Technical field
The present invention relates to a kind of battery charger, specifically a kind of battery charge timer can be controlled the device of charging by time length.
Background technology
At present, existing low current charge device generally is to be combined by transformer rectifier diode, current-limiting resistance (or adding indicator light), and charging device plugs in, and contacts with being recharged battery, can begin battery charge (have the lamp of indicator light bright).But charging device plugs in for a long time to being recharged battery charge, because this charging device does not have time control, can carry out the charging of big electric current to battery always, be easy to over-charging of battery, cause battery useful life to shorten, and also be bigger waste the energy.
Summary of the invention
Purpose of the present invention is intended to overcome the not free control of above-mentioned existing charger, can carry out than the charging of large power supply with to the shortcoming of energy waste battery always, a kind of charging device is provided, this charging device can not only be to battery charge, and free control, can switch electric current by time length to battery charge, promptly can be by switch to less electric current (trickle) charging than large current charge.
Realize the technical scheme of above-mentioned purpose:
A kind of charging method of battery comprises power supply is charged to battery after transformation, rectification, current limliting, and a charging interval control circuit is set in above-mentioned charge circuit.The control method of charging interval control circuit comprises the steps:
1) a charging control switch circuit is set in the above-mentioned charge circuit;
2) be provided with one and start the charging testing circuit, be used to detect charge enable signal;
3) timer is set, according to the charge initiation that starts the input of charging testing circuit
Signal, the charging interval of the described charging control switch circuit of timer output control,
It is carried out in setting-up time than large current charge, cut above behind the setting-up time
Be changed to the small electric current charge.
A kind of battery charge timer, comprise transformer, rectification circuit, current-limiting resistance, charge switch and by the charging control switch circuit, timer, start the charging interval control circuit that the charging testing circuit is formed, transformer output connects rectification circuit, rectification circuit output meets the positive extreme end B+ of charge switch after the current-limiting resistance current limliting, the charging control switch circuit is attempted by the two ends of current-limiting resistance, start the charge enable signal incoming timing device that the charging testing circuit detects, the control signal of timer output connects the charging control switch circuit, is used to control the break-make of charging control switch circuit.
Described charging control switch circuit is made up of triode Q1, Q2, resistance R 2, R8, R9, the emitter and collector of triode Q1 is attempted by the two ends of current-limiting resistance R7, resistance R 8 is connected between the collector electrode of the emitter of triode Q1 and triode Q2, resistance R 9 is connected between the collector electrode of the base stage of triode Q1 and Q2, the grounded emitter of triode Q2, the charging control signal output of timer connects the base stage of triode Q2, and timer provides power supply by transformer.
Described startup charging testing circuit is by triode Q3, resistance R 4, R6, R12, capacitor C 3 and diode D8 form, one output of transformer connects the collector electrode of triode Q3 through resistance R 12, series resistance R6, be attempted by between the collector electrode and emitter of triode Q3 after R4 and capacitor C 3 are in parallel, the base stage of triode Q3 meets the negative pole end B-of charge switch, the negative electrode of diode D8 connects the base stage of triode Q3, the anode of diode D8 connects the emitter of triode Q3, the grounded emitter of triode Q3 is by the start battery charging low level signal incoming timing device of resistance R 6 with the tie point detection of R4.
Described charging control switch circuit is a triode, and the emitter of triode, collector electrode are attempted by the two ends of current-limiting resistance, and the base stage of triode connects timer, by the break-make of deciding device control triode.
Described charging control switch circuit is a controllable silicon, and silicon controlled anode and negative electrode are attempted by the two ends of current-limiting resistance, and the silicon controlled control utmost point connects timer, by the timer control silicon controlled angle of flow, is used to change the size of charging current.
Described timer is time control IC CD4541.
Adopt technique scheme, beneficial technical effects of the present invention is: by in existing charge circuit the charging interval control circuit being set, set the charging interval flexibly, be implemented in and carry out in the setting-up time, switch to the small electric current charge above behind the setting-up time than large current charge.The present invention has thoroughly eliminated charger battery has been easy to " overcharging " even " quick-fried filling " phenomenon, has protected battery, has improved the useful life of battery, has also saved the energy now to a certain extent.The present invention is simple, ingenious, practical.
Description of drawings
Fig. 1 is a kind of structured flowchart of battery charge timer.
Fig. 2 is a kind of realization circuit diagram of Fig. 1.
Embodiment
A kind of charging method of battery comprises power supply is charged to battery after transformation, rectification, current limliting, and a charging interval control circuit is set in charge circuit.The control method of charging interval control circuit comprises the steps:
1) states a charging control switch circuit is set in the charge circuit;
2) be provided with one and start the charging testing circuit, be used to detect charge enable signal;
3) timer is set, according to the charge enable signal that starts the input of charging testing circuit, the charging interval of the described charging control switch circuit of timer output control is carried out than large current charge it in setting-up time, switch to the small electric current charge above behind the setting-up time.
Illustrated in figures 1 and 2 is a kind of implementation of the present invention:
A kind of battery charge timer comprises transformer T11, rectification circuit, current-limiting resistance R7, rectifier diode D6, charge switch and the charging interval control circuit of being made up of charging control switch circuit, timer, startup charging testing circuit.
Rectification circuit adopts rectifier bridge D1~D4, and timer IC1 adopts time control module CD4541.Transformer T11 output meets rectification circuit D1~D4, and rectification circuit D1~D4 output meets the positive extreme end B+ of charge switch behind current-limiting resistance R7, rectifier diode D6.Alternating voltage is through transformer T11 step-down, one route diode D5 rectification, capacitor C 1 filtering, after resistance R 1 current limliting, the voltage-stabiliser tube ZD1 voltage stabilizing, supply with IC1CD4541 supply pin PIN14, be connected to PIN9, PIN12, the PIN13 of IC1 simultaneously, external resistance R 3, capacitor C 2, the resistance R 5 of the PIN1 of IC1, PIN2, PIN3 formed the RC oscillation network with the IC internal circuit, the PIN4 of IC1, PIN5, PIN7, PIN10, is connected to ground wire VG, and PIN11 is vacant.The charging control switch circuit is made up of triode Q1, Q2, resistance R 2, R8, R9, the emitter and collector of triode Q1 is attempted by the two ends of current-limiting resistance R7, resistance R 8 is connected between the collector electrode of the emitter of triode Q1 and triode Q2, resistance R 9 is connected between the collector electrode of the base stage of triode Q1 and Q2, the grounded emitter of triode Q2, the charging control signal output pin PIN8 of timer IC1 connects the base stage of triode Q2 through resistance R 2, is used to control the break-make of charging control switch circuit.Start the charging testing circuit by triode Q3, resistance R 4, R6, R12, capacitor C 3 and diode D8 form, one output of transformer connects the collector electrode of triode Q3 through resistance R 12, series resistance R6, be attempted by between the collector electrode and emitter of triode Q3 after R4 and capacitor C 3 are in parallel, the base stage of triode Q3 meets the negative pole end B-of charge switch, the negative electrode of diode D8 connects the base stage of triode Q3, the anode of diode D8 connects the emitter of triode Q3, the grounded emitter of triode Q3 is by the start battery charging low level signal incoming timing device IC1 pin PIN6 of resistance R 6 with the tie point detection of R4.
The course of work: when not plugging battery, the Vcc of power supply after transformer T11 is by diode D5 rectification, resistance R 1 current limliting passes through resistance R 12, R6, R4 dividing potential drop, capacitor C 3 filtering, and the PIN6 that makes IC1 is a high level, diode D8 no current flows through not conducting, and triode Q3 ends; After plugging battery, diode D8 has electric current to flow through, triode Q3 conducting, no-voltage on the capacitor C 3, the PIN6 of IC1 is a low level, the PIN8 output high level of IC1, thus make triode Q2 conducting triode Q1 conducting by resistance R 2 to triode Q2 base stage, just begin than large current charge battery, when to after the scheduled time, the PIN8 of IC1 transfers low-voltage to by high level, causes triode Q2, Q1 to end, and is less electric current (trickle) thereby make charging current by big current switching.Promptly a charging cycle finishes.
Timer IC1 setting-up time length is counted number by the external resistance R 3 of PIN1, PIN2, the PIN3 of IC1, R5, capacitor C 2 with the different decisions of the mode of connection that its internal circuit is formed PIN12, the PIN13 of oscillation network decision frequency of oscillation and IC1; Thereafter fix time with inner common processing of IC1.
PIN12 PIN13 counts number
VG VG 8192
VG VCC 1024
VCC VG 256
VCC VCC 65536
Must be pointed out that the foregoing description is the present invention is provided with the charging interval control circuit in existing charger charge circuit a kind of implementation, can not limit protection scope of the present invention in view of the above, other equivalent circuit still belongs to protection scope of the present invention.As: the charging control switch circuit can be a triode, and the emitter of triode, collector electrode are attempted by the two ends of current-limiting resistance, and the base stage of triode controls its break-make by the timer of output electronegative potential control signal.The charging control switch circuit can also be a controllable silicon, and silicon controlled anode and negative electrode are attempted by the two ends of current-limiting resistance, and the silicon controlled control utmost point connects timer, by the timer control silicon controlled angle of flow, the size of flexibly changing charging current.Timer also can be realized by delay circuit integrated by other or that discrete component constitutes.Start the charging testing circuit also other known detection technique such as available sensors realize.

Claims (8)

1, the charging method of battery comprises power supply is charged to battery after transformation, rectification, current limliting, it is characterized in that: a charging interval control circuit is set in above-mentioned charge circuit.
2,, it is characterized in that the described control method that the charging interval control circuit is set comprises the steps: according to the charging method of the described battery of claim 1
1) a charging control switch circuit is set in above-mentioned charge circuit;
2) be provided with one and start the charging testing circuit, be used to detect charge enable signal;
3) timer is set, according to the charge initiation that starts the input of charging testing circuit
Signal, the charging interval of the described charging control switch circuit of timer output control,
It is carried out in setting-up time than large current charge, cut above behind the setting-up time
Be changed to the small electric current charge.
3, the battery charge timer, comprise transformer, rectification circuit, current-limiting resistance and charge switch, transformer output connects rectification circuit, rectification circuit output meets the positive extreme end B+ of charge switch after the current-limiting resistance current limliting, it is characterized in that: be provided with by the charging control switch circuit, timer, start the charging interval control circuit that the charging testing circuit is formed, the charging control switch circuit is attempted by the two ends of current-limiting resistance, start the charge enable signal incoming timing device that the charging testing circuit detects, the control signal of timer output connects the charging control switch circuit, is used to control the break-make of charging control switch circuit.
4, according to the described battery charge timer of claim 3, it is characterized in that: described charging control switch circuit is made up of triode Q1, Q2, resistance R 2, R8, R9, the emitter and collector of triode Q1 is attempted by the two ends of current-limiting resistance R7, resistance R 8 is connected between the collector electrode of the emitter of triode Q1 and triode Q2, resistance R 9 is connected between the collector electrode of the base stage of triode Q1 and Q2, the grounded emitter of triode Q2, the charging control signal output of timer connects the base stage of triode Q2, and timer provides power supply by transformer.
5, according to the described battery charge timer of claim 4, it is characterized in that: described startup charging testing circuit is by triode Q3, resistance R 4, R6, R12, capacitor C 3 and diode D8 form, one output of transformer connects the collector electrode of triode Q3 through resistance R 12, series resistance R6, be attempted by between the collector electrode and emitter of triode Q3 after R4 and capacitor C 3 are in parallel, the base stage of triode Q3 meets the negative pole end B-of charge switch, the negative electrode of diode D8 connects the base stage of triode Q3, the anode of diode D8 connects the emitter of triode Q3, the grounded emitter of triode Q3 is by the start battery charging low level signal incoming timing device of resistance R 6 with the tie point detection of R4.
6, according to the described battery charge timer of claim 3, it is characterized in that: described charging control switch circuit is a triode, and the emitter of triode, collector electrode are attempted by the two ends of current-limiting resistance, the base stage of triode connects timer, by the break-make of deciding device control triode.
7, according to the described battery charge timer of claim 3, it is characterized in that: described charging control switch circuit is a controllable silicon, silicon controlled anode and negative electrode are attempted by the two ends of current-limiting resistance, the silicon controlled control utmost point connects timer, by the timer control silicon controlled angle of flow, be used to change the size of charging current.
8, according to claim 3,4,5 any described battery charge timers, it is characterized in that: described timer is time control IC CD4541.
CN 03114193 2003-04-11 2003-04-11 Timer utilized in charging up batteries Expired - Fee Related CN1277341C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03114193 CN1277341C (en) 2003-04-11 2003-04-11 Timer utilized in charging up batteries

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03114193 CN1277341C (en) 2003-04-11 2003-04-11 Timer utilized in charging up batteries

Publications (2)

Publication Number Publication Date
CN1447490A true CN1447490A (en) 2003-10-08
CN1277341C CN1277341C (en) 2006-09-27

Family

ID=28050340

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 03114193 Expired - Fee Related CN1277341C (en) 2003-04-11 2003-04-11 Timer utilized in charging up batteries

Country Status (1)

Country Link
CN (1) CN1277341C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101562439B (en) * 2008-04-14 2012-07-11 三菱电机株式会社 Digital signal input device and method of controlling the same
CN103098339A (en) * 2011-03-11 2013-05-08 日产自动车株式会社 Battery charging control device
CN104658824A (en) * 2015-02-10 2015-05-27 温州秦佳电气有限公司 Adjustable timing switch

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101562439B (en) * 2008-04-14 2012-07-11 三菱电机株式会社 Digital signal input device and method of controlling the same
CN103098339A (en) * 2011-03-11 2013-05-08 日产自动车株式会社 Battery charging control device
CN103098339B (en) * 2011-03-11 2015-07-29 日产自动车株式会社 Battery charging control device
CN104658824A (en) * 2015-02-10 2015-05-27 温州秦佳电气有限公司 Adjustable timing switch

Also Published As

Publication number Publication date
CN1277341C (en) 2006-09-27

Similar Documents

Publication Publication Date Title
CN1037137C (en) Automatic charge cut-off circuit and application
CN103347350B (en) Isolated constant-current LED (light-emitting diode) drive chip of peripheral circuit free of auxiliary winding of transformer
CN102540642B (en) Digital flash lamp and method for controlling flashing of digital flash lamp
CN102496995A (en) Lithium battery charging power supply management method and system for the same
CN2741087Y (en) Overvoltage and undervoltage slow start protecting circuit of negative power supply
CN1179240A (en) Power-supply circuit
CN204103446U (en) A kind of over under-voltage protection circuit
CN100342616C (en) Terminal circuit and its charge controlling method
CN1579116A (en) The power source for the flash discharge lamp and the control method thereof
CN1913280A (en) Multiple-in-one charger for batteries
CN102435828B (en) Isolated type circuit-voltage zero-crossing detecting circuit
CN103138356B (en) The charging circuit of a kind of lighting and secondary cell thereof
CN1277341C (en) Timer utilized in charging up batteries
CN2622900Y (en) Battery charging timer
CN110381637A (en) A kind of thermal-shutdown circuit and LED lamp
CN101795009B (en) Battery charging device and method thereof
CN108988433B (en) Charging automatic detection circuit of solar lighting controller
CN212970200U (en) LED photovoltaic street lamp control system
CN2307390Y (en) AC large high precision fully automatic voltage stabilizer
CN2662518Y (en) Fast charger for nickel-hydrogen cell
CN1658467A (en) Battery recharger with timer
CN203135502U (en) Portable solar mobile power supply
CN203289156U (en) Novel mobile phone mobile power supply
CN2777822Y (en) Charger for battery
CN208820681U (en) A kind of capacitor discharge circuit

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C53 Correction of patent for invention or patent application
CB03 Change of inventor or designer information

Inventor after: Fan Jiguang

Inventor after: Yu Demao

Inventor after: Xia Jungang

Inventor before: Fan Jiguang

Inventor before: Yu Demao

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM:

PP01 Preservation of patent right

Effective date of registration: 20160912

Granted publication date: 20060927

RINS Preservation of patent right or utility model and its discharge
PD01 Discharge of preservation of patent

Date of cancellation: 20170312

Granted publication date: 20060927

PD01 Discharge of preservation of patent
PP01 Preservation of patent right

Effective date of registration: 20170312

Granted publication date: 20060927

PP01 Preservation of patent right
PD01 Discharge of preservation of patent

Date of cancellation: 20170912

Granted publication date: 20060927

PD01 Discharge of preservation of patent
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060927

Termination date: 20160411

CF01 Termination of patent right due to non-payment of annual fee