CN108599331A - A kind of battery charger and its control and display methods - Google Patents

A kind of battery charger and its control and display methods Download PDF

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Publication number
CN108599331A
CN108599331A CN201810646593.7A CN201810646593A CN108599331A CN 108599331 A CN108599331 A CN 108599331A CN 201810646593 A CN201810646593 A CN 201810646593A CN 108599331 A CN108599331 A CN 108599331A
Authority
CN
China
Prior art keywords
battery
circuit
switching tube
charging
discharge
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
CN201810646593.7A
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Chinese (zh)
Inventor
孟婷婷
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.)
Shenzhen Hao Hao Battery Co Ltd
Original Assignee
Shenzhen Hao Hao Battery 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 Shenzhen Hao Hao Battery Co Ltd filed Critical Shenzhen Hao Hao Battery Co Ltd
Priority to CN201810646593.7A priority Critical patent/CN108599331A/en
Publication of CN108599331A publication Critical patent/CN108599331A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0034Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting circuits
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007Regulation of charging or discharging current or voltage
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048Detection of remaining charge capacity or state of charge [SOC]
    • H02J7/0049Detection of fully charged condition

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

Abstract

A kind of battery charger and its control and display methods, the charger includes the shell with battery accommodating groove, be arranged the positive contact electrode of battery accommodating groove and negative contact electrode, with the positive contact electrode and negative contact the circuit board that electrode is connect and the message input device and information display device that are connect with the circuit board, the circuit board includes charging circuit and the first discharge circuit, and described information input unit and information display device are colored display touch screen.This method includes showing touch screen for battery charger configuration is colored;Show touch screen control to battery charging, electric discharge and capacity check, the charging and discharging curve and parameter of real-time display battery, and selection charging current and/or battery types by colour.The battery charger has many advantages, such as to manipulate simple and convenient, feature-rich and reliable operation.

Description

A kind of battery charger and its control and display methods
Technical field
The present invention relates to battery chargers, are that one kind being suitable for diameter 32mm or less, height 34-73mm more specifically The battery charger of cylindrical battery, and it is related to control and the display methods of this battery charger.
Background technology
The existing battery charger for being suitable for diameter 32mm or less, height 34-73mm cylindrical batteries typically uses and refers to Show that lamp shows charge information, charging operations is controlled using switching switch and key switch, and only have the function of charge and discharge.This Class battery charger has been unable to meet the needs of people due to having a single function, manipulating inconvenience, it is therefore necessary to develop a kind of behaviour Control simply and easily battery charger.
Invention content
Simply and easily battery charger is manipulated the object of the present invention is to provide a kind of.
In order to achieve the above object, the technical solution adopted by the present invention is as follows:
A kind of battery charger comprising there is the shell of battery accommodating groove, the positive contact electricity in battery accommodating groove is set Pole and negative contact electrode, with the positive contact electrode and negative contact circuit board that electrode is connect and connect with the circuit board Message input device and information display device, the circuit board includes charging circuit and the first discharge circuit, and described information is defeated It is colored display touch screen to enter device and information display device.
Preferably, the circuit board further includes internal resistance of cell detection circuit.
Preferably, described information input unit includes charging current selecting switch, battery types selecting switch, charges and put Electric selecting switch, internal resistance and voltage tester switch, described information display device includes charging and discharging curve display device, internal resistance and electricity Press display device.
Preferably, the internal resistance of cell detection circuit includes:
Battery voltage detection circuit, the battery voltage detection circuit include amplifier U14B, two inputs of amplifier U14B End connects with positive and negative two detecting electrodes, output end connects with main control MCU;And
The second discharge circuit of the of short duration electric discharge of battery is controlled, second discharge circuit includes from positive detecting electrode to negative inspection Survey electrode diode D15 connected in sequence, switching tube Q16, resistor R63, and switching tube Q17, diode D15 and switching tube The common end of Q17 connects with main control MCU, the control of switching tube Q16 termination switching tube U13 to ground, the control terminal of switching tube U13 and Main control MCU connects, and the control terminal of switching tube Q16 is also connected with the output end of amplifier U14A, and the homophase input termination of amplifier U14A+ The power end of 5V, amplifier U14A and amplifier U14B connect+5V, control terminal and the main control MCU phase of switching tube U17 by switching tube U17 It connects.
Preferably, second discharge circuit includes the second reverse-connection protection circuit, and second reverse-connection protection circuit includes The control terminal of the switching tube Q17, switching tube Q17 are connect by the positive detecting electrode of resistor R30 connections and by resistor R64 Ground.
Preferably, the charging circuit and first discharge circuit include the first reverse-connection protection circuit, and described first is anti- It includes being connected on the charging circuit to neutralize switching tube group U6A and U6B in first discharge circuit to connect protection circuit, switch Pipe group U6A connects positive contact electrode with the control terminal of U6B by resistor R5, and the control terminal of switching tube group U6A and U6B separately pass through Resistor R45 ground connection.
Preferably, there are four battery accommodating grooves, four battery accommodating grooves to be configured with independent charging circuit for the shell tool With the first discharge circuit, four charging circuits and four the first discharge circuits are separately connected main control MCU, in main control MCU output To the battery charge or discharge in battery accommodating groove under the control of pulse-width signal.
The present invention also provides a kind of control of battery charger and display methods comprising color for battery charger configuration Color shows touch screen;Show that battery charging, electric discharge and capacity check, real-time display battery are filled in touch screen control by colour Discharge curve and parameter, and selection charging current and/or battery types.
Compared with prior art, the present invention at least has the advantages that:
It manipulates simple and convenient.Touch screen is shown as message input device and information display device using colour, it can be with Pass through software realization battery charging and discharging curve and the real-time display of other parameters.
It is feature-rich.Configured with the internal resistance of cell detection circuit battery can also be detected other than charging, discharging function Internal resistance.
Reliable operation.Configured with multiple reverse-connection protection circuits charger and electricity will not be damaged accidentally after reversal connection battery Pond.
Description of the drawings
Fig. 1 is the structural schematic diagram of some embodiment battery chargers;
Fig. 2 is its circuit block diagram;
Fig. 3 is a control interface;
Fig. 4 is charging and discharging curve display interface;
Fig. 5 is voltage and internal resistance detection interface;
Fig. 6 is the circuit diagram of one embodiment of charging circuit and the first discharge circuit;
Fig. 7 is the circuit diagram of one embodiment of internal resistance detection circuit;
Fig. 8 is the peripheral circuit of main control MCU.
Specific implementation mode
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is please referred to, some embodiment battery chargers include:Shell 1, opens up that there are four battery accommodating grooves on shell 1 11, the both ends of battery accommodating groove 11 are correspondingly arranged on positive contact electrode 3 and negative contact electrode 4, and circuit board is equipped in shell 1 (not shown), circuit board and the positive contact electrode 3 and negative contact electrode 4 are connect, circuit board also with message input device and letter Display device connection is ceased, described information input unit and information display device are colored display touch screen 1.
Fig. 2 is please referred to, circuit board includes charging circuit 6, the first discharge circuit 5, and charging circuit 6, the first discharge circuit 5 divide Electrode 3 and negative contact electrode 4 Lian Jie not just be contacted, and is connect with main control MCU 7, and main control MCU 7 also shows touch screen 1 with colour Connection.Show that charging circuit 6 or the work of the first discharge circuit 5 may be selected in touch screen 1 by colour, to being connected to positive contact electrode Battery between 3 and negative contact electrode 4 carries out charge or discharge.In addition main control MCU 7 can acquire charging circuit 6 or the first and put The feedback signal of circuit 5 adjusts charge and discharge electric current and shows that touch screen 1 shows charging and discharging curve and other ginsengs in colour Number.
Further, circuit board further includes internal resistance of cell detection circuit 8, can detect the internal resistance of battery.The internal resistance of cell detects Circuit 8 is connect with main control MCU 7, and is connected with positive detecting electrode 10 and negative detecting electrode 9 for connecting tested battery.
Show a control interface in Fig. 3, Fig. 4 shows charging and discharging curve display interface, and Fig. 5 shows voltage and interior Resistance detection interface.As can be seen that in Fig. 3, from left to right, four row are respectively slot selecting switch, mode selection switch, charging electricity Selecting switch, battery types selecting switch are flowed, includes charging option switch, electric discharge selecting switch and appearance under mode selection switch Runin is measured to close.In Fig. 4, top is charging and discharging curve display device, and lower section is that electric quantity display device, internal resistance and voltage tester are opened It closes (IR TEST).Left side is voltage display device in Fig. 5, right side is internal resistance display device.
Four battery accommodating grooves are configured with independent charging circuit and the first discharge circuit, and four charging circuits and four the One discharge circuit is separately connected main control MCU, in battery accommodating groove under the control of the pulse-width signal of main control MCU output Battery charge or discharge.
The circuit of one embodiment of charging circuit and the first discharge circuit is shown in Fig. 6.The circuit is a battery The corresponding charging circuit of storage tank and the first discharge circuit.The peripheral circuit of main control MCU is shown in Fig. 8.
Please refer to Fig. 6 and Fig. 8, pass through successively from 12V power supplys, switching tube U1, diode D2, resistor R41, battery BT1, Switching tube group U6A and U6B, ground is finally arrived, constitutes the charge circuit of battery BT1.PWM1C is the pulsewidth tune of main control MCU output Signal processed, the turn-on time and then adjusting charging current of Signal-controlled switch pipe U1, meanwhile, the both ends resistor R41 are connected to The AD1V0 and AD1V1 of main control MCU, to acquire real-time voltage, electric current.
Pass through successively from ground terminal, switching tube group U6A and U6B, battery BT1, resistor R41, resistor R37, switching tube U2, Ground is arrived again, constitutes the first discharge circuit of battery BT1, wherein resistor R37 is high-power cement resistor.Based on PWM1D The pulse-width signal of MCU outputs is controlled, the conduction and cut-off of Signal-controlled switch pipe U2, when switching tube U2 is connected, first puts Circuit is connected, to battery BT1 constant-current discharges.
It is designed with the first reverse-connection protection circuit in above-mentioned charging circuit and the first discharge circuit.First reversal connection is protected Protection circuit includes being connected on the charging circuit to neutralize switching tube group U6A and U6B in first discharge circuit, switching tube group U6A connects positive contact electrode (i.e. the anode of battery BT1), switching tube group U6A and U6B with the control terminal of U6B by resistor R5 Control terminal be separately grounded by resistor R45.In charging, if battery BT1 reversal connections, switching tube group U6A and U6B, which can enter, to be cut Only state can protect charger and battery to disconnect charging circuit.Equally, in electric discharge, if battery BT1 reversal connections, are opened Cut-off state can be entered by closing pipe group U6A and U6B, to by the disconnection of the first discharge circuit, protect charger and battery.
In Fig. 8, PWM2C and PWM2D, PWM3C and PWM3D, PWM4C and the PWM4D that main control MCU U16 is exported are to being applied to Control the corresponding charging circuit of other three battery accommodating grooves and the first discharge circuit, AD2V0 and AD2V1, AD3V0 and AD3V1, AD4V0 and AD4V1 corresponds to the feedback signal of other three battery accommodating grooves corresponding charging circuit and the first discharge circuit.
Fig. 7 shows the circuit of one embodiment of internal resistance detection circuit, and 1,2 feet of connector J7 connect positive detection electricity in figure Pole, 3,4 feet connect negative detecting electrode.Fig. 7 and Fig. 8 are please referred to, the internal resistance of cell detection circuit includes:Battery voltage detection circuit With the second discharge circuit of the control of short duration electric discharge of battery.Wherein, the battery voltage detection circuit includes amplifier U14B, amplifier Two input terminals of U14B connect with positive and negative two detecting electrodes, output end connects with the 23rd foot of main control MCU.Described second puts Circuit include from positive detecting electrode to negative detecting electrode diode D15 connected in sequence, switching tube Q16, resistor R63, Connect with the 24th foot of main control MCU with the common end of switching tube Q17, diode D15 and switching tube Q17, the control of switching tube Q16 Switching tube U13 is terminated to ground, the control terminal of switching tube U13 connects with the 4th foot of main control MCU, and the control terminal of switching tube Q16 also connects The output end of amplifier U14A is connect, the power end of the homophase input termination+5V, amplifier U14A and amplifier U14B of amplifier U14A are by opening It closes pipe U17 and meets+5V, the control terminal of switching tube U17 connects with the 3rd foot of main control MCU.Wherein, main control MCU passes through switching tube U17 The power supply for controlling amplifier U14A and amplifier U14B controls the second discharging circuit conduction/cut-off by switching tube U13.When detection, make Battery and above-mentioned battery voltage detection circuit and the second discharge circuit are connected with four line connection of Kelvin, is examined by cell voltage Slowdown monitoring circuit detects voltage, and main control MCU controls the constant-current discharge that the second discharge circuit carries out battery one unusual short time, Main control MCU obtains voltage value and internal resistance value according to the detected value of two electronic feedbacks by algorithm.
Include the second reverse-connection protection circuit in above-mentioned second discharge circuit, second reverse-connection protection circuit includes described The control terminal of switching tube Q17, switching tube Q17 are grounded by the positive detecting electrode of resistor R30 connections and by resistor R64.When After tested battery reversal connection, switching tube Q17 enters cut-off state, and the discharge loop of the second discharge circuit is cut off, this can be protected to fill Electric appliance and battery.
The control of some embodiment battery chargers and display methods include:Colored display is configured for battery charger to touch Screen;By colour show touch screen control to battery charging, electric discharge and capacity check, the charging and discharging curve of real-time display battery and Parameter, and selection charging current and/or battery types.
Above by specific embodiment, invention is explained in detail, these detailed description are only limited to help Those skilled in the art understand that present disclosure, can not be interpreted as limiting the scope of the invention.Art technology Personnel should be included in various retouchings, equivalent transformation etc. that said program carries out under present inventive concept the protection model of the present invention In enclosing.

Claims (8)

1. a kind of battery charger, include shell with battery accommodating groove, be arranged battery accommodating groove positive contact electrode and Negative contact electrode, the circuit board being connect with the positive contact electrode and negative contact electrode and the letter being connect with the circuit board It includes charging circuit and the first discharge circuit to cease input unit and information display device, the circuit board, which is characterized in that described Message input device and information display device are colored display touch screen.
2. battery charger according to claim 1, which is characterized in that the circuit board further includes internal resistance of cell detection electricity Road.
3. battery charger according to claim 2, which is characterized in that described information input unit includes charging current choosing Select switch, battery types selecting switch, charging and discharging selecting switch, internal resistance and voltage tester switch, described information display dress It sets including charging and discharging curve display device, internal resistance and voltage display device.
4. battery charger according to claim 2, which is characterized in that the internal resistance of cell detection circuit includes:
Battery voltage detection circuit, the battery voltage detection circuit include amplifier U14B, two input terminals of amplifier U14B with Positive and negative two detecting electrodes connect, output end connects with main control MCU;And
The second discharge circuit of the of short duration electric discharge of battery is controlled, second discharge circuit includes electric from positive detecting electrode to negative detection Diode D15 extremely connected in sequence, switching tube Q16, resistor R63, and switching tube Q17, diode D15 and switching tube Q17 Common end connect with main control MCU, the control of switching tube Q16 termination switching tube U13 to, the control terminal of switching tube U13 and master Control MCU connects, and the control terminal of switching tube Q16 is also connected with the output end of amplifier U14A, the homophase input termination+5V of amplifier U14A, The power end of amplifier U14A and amplifier U14B meet+5V by switching tube U17, and the control terminal of switching tube U17 connects with main control MCU.
5. battery charger according to claim 4, which is characterized in that second discharge circuit is protected including the second reversal connection Protection circuit, second reverse-connection protection circuit include the switching tube Q17, and the control terminal of switching tube Q17 is connected by resistor R30 It connects positive detecting electrode and is grounded by resistor R64.
6. battery charger according to claim 1, which is characterized in that the charging circuit and first discharge circuit Including the first reverse-connection protection circuit, first reverse-connection protection circuit includes being connected on the charging circuit neutralization described first to put Switching tube group U6A and U6B in circuit, switching tube group U6A connect positive contact electricity with the control terminal of U6B by resistor R5 The control terminal of pole, switching tube group U6A and U6B is separately grounded by resistor R45.
7. battery charger according to claim 1, which is characterized in that battery accommodating groove that there are four the shell tools, four A battery accommodating groove is configured with independent charging circuit and the first discharge circuit, four charging circuits and four the first discharge circuits Be separately connected main control MCU, main control MCU output pulse-width signal control under in battery accommodating groove battery charging or Electric discharge.
8. control and the display methods of a kind of battery charger, which is characterized in that including configuring colored display for battery charger Touch screen;Touch screen control is shown to battery charging, electric discharge and capacity check by colour, and the charge and discharge of real-time display battery are bent Line and parameter, and selection charging current and/or battery types.
CN201810646593.7A 2018-06-21 2018-06-21 A kind of battery charger and its control and display methods Pending CN108599331A (en)

Priority Applications (1)

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CN201810646593.7A CN108599331A (en) 2018-06-21 2018-06-21 A kind of battery charger and its control and display methods

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Application Number Priority Date Filing Date Title
CN201810646593.7A CN108599331A (en) 2018-06-21 2018-06-21 A kind of battery charger and its control and display methods

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CN108599331A true CN108599331A (en) 2018-09-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112166539A (en) * 2019-09-26 2021-01-01 深圳市大疆创新科技有限公司 Battery management device, method and system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101359035A (en) * 2007-07-30 2009-02-04 比亚迪股份有限公司 Method and apparatus for measuring battery internal resistance
CN101635470A (en) * 2009-08-19 2010-01-27 王广生 Quick charger of power-saving storage battery and intelligent charging method
CN106786864A (en) * 2016-12-14 2017-05-31 深圳市伟义兄弟进出口有限公司 A kind of charger that can test battery parameter
CN106872785A (en) * 2017-03-05 2017-06-20 长沙云涯电子科技有限责任公司 A kind of internal resistance of cell detects circuit
CN107037371A (en) * 2017-04-25 2017-08-11 华为技术有限公司 The detection circuit of the internal resistance of cell
CN206685937U (en) * 2017-04-26 2017-11-28 深圳市动力源发展有限公司 Intelligent battery charger
KR101808742B1 (en) * 2016-10-21 2018-01-18 (주)미섬시스텍 charging current controlling circuit for a protection circuit module
CN208461499U (en) * 2018-06-21 2019-02-01 深圳市浩霸电池有限公司 A kind of battery charger

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101359035A (en) * 2007-07-30 2009-02-04 比亚迪股份有限公司 Method and apparatus for measuring battery internal resistance
CN101635470A (en) * 2009-08-19 2010-01-27 王广生 Quick charger of power-saving storage battery and intelligent charging method
KR101808742B1 (en) * 2016-10-21 2018-01-18 (주)미섬시스텍 charging current controlling circuit for a protection circuit module
CN106786864A (en) * 2016-12-14 2017-05-31 深圳市伟义兄弟进出口有限公司 A kind of charger that can test battery parameter
CN106872785A (en) * 2017-03-05 2017-06-20 长沙云涯电子科技有限责任公司 A kind of internal resistance of cell detects circuit
CN107037371A (en) * 2017-04-25 2017-08-11 华为技术有限公司 The detection circuit of the internal resistance of cell
CN206685937U (en) * 2017-04-26 2017-11-28 深圳市动力源发展有限公司 Intelligent battery charger
CN208461499U (en) * 2018-06-21 2019-02-01 深圳市浩霸电池有限公司 A kind of battery charger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112166539A (en) * 2019-09-26 2021-01-01 深圳市大疆创新科技有限公司 Battery management device, method and system

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