CN102570554A - Constant-current power compensator for external field of rechargeable battery - Google Patents
Constant-current power compensator for external field of rechargeable battery Download PDFInfo
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- CN102570554A CN102570554A CN2012100201410A CN201210020141A CN102570554A CN 102570554 A CN102570554 A CN 102570554A CN 2012100201410 A CN2012100201410 A CN 2012100201410A CN 201210020141 A CN201210020141 A CN 201210020141A CN 102570554 A CN102570554 A CN 102570554A
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- rectifier diode
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Abstract
The invention relates to a constant-current power compensator for an external field of a rechargeable battery. The power compensator consists of a 12Vdirect-currnet power supply, a power supply polarity identification circuit, two groups of constant current source circuits, a quick or slow power compensation selection circuit, two groups of power compensation working state indication circuits and two groups of constant current output terminals. On the circuit design of the constant-current power compensator for an external field of a rechargeable battery, the characteristic of using the rechargeable battery in the environment of an external field is fully considered, the superior performances of nickel-cadmium and nickel hydrogen rechargeable batteries is facilitated to be played, and according to the characteristic that the rechargeable battery has a self-discharge function, the use of the power compensator in an external filed can effectively make up or improve the condition that the peak voltage of the rechargeable battery falls greatly due to the self-discharge phenomenon of the rechargeable battery. The power compensator can effectively use electric quantity with greater explosiveness of the peak voltage (electric quantity) of the rechargeable battery and is very suitable for events such as speed racing of an electric model airplane, durability, free flight of an electric airplane model and hovering of a remote control model airplane.
Description
Technical field
The invention belongs to electronic technology and battery boosting technology field, relate to a kind of rechargeable battery outfield and mend electrical equipment with constant current.
Background technology
The charger that is used for rechargeable battery is of a great variety; The charger common technology has modes such as unsteady flow level pressure, variable voltage and variable current, pulsed, constant current level pressure; But all rechargeable batteries are full of the back in case break away from charger at electric weight; Charged battery voltage will be pressed with certain amplitude than the peak electricity in online when charging to be fallen, and its reason mainly is a rechargeable battery so the self-discharge phenomenon that has causes.And this part electric weight of rechargeable battery crest voltage is very valuable, and the energy that this part explosive force is bigger often is left in the basket, and people generally believe that this electric weight of loss is insignificant, is exactly that this problem does not obtain paying attention to all the time yet on the daily workout or match of model plane.Common phenomena has:
The academics and students of many schools simply blindly, pursue to buy use big capacity rechargeable battery.With regard to reality, no matter be model plane training at ordinary times, still participate in various model plane competitions, the amount of capacity of rechargeable battery is not a subject matter always, and whether rechargeable battery gives power, and key is not work hard aspect the correct use rechargeable battery; Common way is charged at the indoor rechargeable battery of giving last night, just directly is used to participate in model plane competition, and so does generally being difficult to obtain outstanding achievement in second day.
Movable or the participation model plane competition in the outfield, the use of rechargeable battery, maintenance must be accomplished: at first can not there be inadequate natural endowment in the various aspects of performance of model plane own; Two are to use the charging device that helps bringing into play NI-G, nickel-hydrogen chargeable cell superior function; The 3rd, to use constant current to mend electrical equipment in pre-games the model plane electrokinetic cell is mended electricity, purpose is to make full use of big this part energy of explosive force, model plane is just displayed just can gain the initiative rapidly.
The model plane electrokinetic cell is mended electricity in the outfield through mending electrical equipment, can improve or remedy the situation that phenomenon such as rechargeable battery self discharge causes the rechargeable battery crest voltage to fall significantly effectively.
Below specify rechargeable battery of the present invention outfield and mend electrical equipment related technology contents in implementation process with constant current.
Summary of the invention
Goal of the invention and beneficial effect: the outfield constant current that model plane electrokinetic cell of the present invention uses is mended electrical equipment on circuit design; Take into full account the characteristics of under the particular surroundings of outfield, using rechargeable battery; For helping bringing into play NI-G, nickel-hydrogen chargeable cell superior function; Solve electric quantity of rechargeable battery and be full of the back in case break away from charger, the phenomenon that rechargeable battery self discharge meeting causes the rechargeable battery crest voltage to fall significantly.The reality that self-discharge characteristics is arranged based on rechargeable battery; This benefit electrical equipment can effectively utilize the bigger electric weight of this part burst of rechargeable battery crest voltage (electric weight), is highly suitable for unexpectedly fast, durable, the electronic empty mould free flight of electronic model plane, the remote controlled model plane geometric ratio contest item order of leaving a blank.
In model plane training or participate in and make in the model plane competition that model plane are being climbed, can gain the initiative in the geometric ratio of the competing for speed contest item order; When charged battery voltage drops into common state by the time; Model plane have held a safe lead or have stood high above the masses; Compare the rechargeable battery that those do not mend electricity, occupy tangible power advantage;
For long-term use simple charger or the common rectifier power source charger as rechargeable battery, electrical equipment is mended with constant current in rechargeable battery of the present invention outfield can also have certain repair to performance " early ageing " or the low rechargeable battery of performance.
Technical scheme: electrical equipment is mended with constant current in the rechargeable battery outfield; By 12V DC power supply, electric power polarity identification circuit, two groups of constant-current source circuits, mend electric separation fast or at a slow speed and select circuit, two groups and mend that the electrician makes condition indication circuit and two groups of constant current lead-out terminals are formed, its characteristic comprises:
Electric power polarity identification circuit: be connected into full bridge rectifier with 4 Schottky diode D1～D4; The positive pole of full bridge rectifier output connects the positive pole of electrochemical capacitor C1; The negative pole connection circuit ground of electrochemical capacitor C1, the input termination 12V DC power supply of full bridge rectifier;
Two groups of constant-current source circuits: form by the adjustable integrated package of pressure-stabilizing IC1 of three ends, resistance R 1, resistance R 2 and the adjustable integrated package of pressure-stabilizing IC2 of three ends, resistance R 3, resistance R 4; Three ends are adjustable, and integrated package of pressure-stabilizing IC1 input 3 pin connect the positive pole of electrochemical capacitor C1; The end of the output 2 pin connecting resistance R1 of three ends are adjustable integrated package of pressure-stabilizing IC1 and an end of resistance R 2, the 1 pin adjustment end (ADJ) of the adjustable integrated package of pressure-stabilizing IC1 of another termination three ends of the other end of resistance R 1 and resistance R 2; Input 3 pin of three ends are adjustable integrated package of pressure-stabilizing IC2 connect the positive pole of electrochemical capacitor C1; The end of the output 2 pin connecting resistance R3 of three ends are adjustable integrated package of pressure-stabilizing IC2 and an end of resistance R 4, the 1 pin adjustment end (ADJ) of the adjustable integrated package of pressure-stabilizing IC2 of another termination three ends of the other end of resistance R 3 and resistance R 4;
Mend electric separation fast or at a slow speed and select circuit: the common port com of single-pole double-throw switch (SPDT) SW connects the 1 pin adjustment end (ADJ) of the adjustable integrated package of pressure-stabilizing IC2 of three ends; The contact a of single-pole double-throw switch (SPDT) SW connects the 1 pin adjustment end (ADJ) of the adjustable integrated package of pressure-stabilizing IC1 of three ends, and the contact b of single-pole double-throw switch (SPDT) SW connects the positive pole of silicon rectifier diode D7;
Two groups of constant current lead-out terminals: silicon rectifier diode D5～D6 and silicon rectifier diode D7～D8 are serially connected in respectively in the output loop of constant-current source circuit A, constant-current source circuit B; The positive pole of silicon rectifier diode D5 meets the 1 pin adjustment end (ADJ) of the adjustable integrated package of pressure-stabilizing IC1 of three ends and the contact a of single-pole double-throw switch (SPDT) SW; The negative pole of silicon rectifier diode D5 connects the positive pole of silicon rectifier diode D6; The negative pole of silicon rectifier diode D6 connects constant current A group lead-out terminal; The contact b of the anodal order double-pole double throw switch SW of silicon rectifier diode D7; The negative pole of silicon rectifier diode D7 connects the positive pole of silicon rectifier diode D8, and the negative pole of silicon rectifier diode D8 connects constant current B group lead-out terminal;
Mend the electrician for two groups and make condition indication circuit: the positive pole of the super bright LED 1 in the A group-indicate circuit connects the positive pole of silicon rectifier diode D5; The negative pole of super bright LED 1 connects the negative pole of silicon rectifier diode D6; The positive pole of the super bright LED 2 in the B group circuit connects the positive pole of silicon rectifier diode D7, and the negative pole of super bright LED 2 connects the negative pole of silicon rectifier diode D8.
The circuit working principle: the present invention is with the power supply of 12V DC power supply as benefit electrical equipment; For being adapted at the extensive use in outfield; Input at the power supply of mending electrical equipment inserts 4 Schottky diodes composition full bridge rectifiers that pressure drop is very little; Solved the power supply polarity problem of identification automatically, connect anxiety otherwise no longer include DC power supply polarity in the use.Form constant-current source through three end adjustable voltage-regulating ic pieces (LM317), make that the constant current numerical value of output is accurate, great convenience is provided when mending electricity or indoor charging control for the outfield;
Mend electrical equipment and be provided with the electric power polarity identification circuit, mend electrical equipment charging output port and be not afraid of short circuit, these defencive functions are particularly suitable for the extensive use of student in the outfield;
Mend electrical equipment in mending electric process, it is invariable to mend electric current values, greatly facilitates the control of charging process to the time;
In the circuit of benefit electrical equipment 1 single-pole double-throw switch (SPDT) SW is set and can solves 2 problems: the one, select a Battery pack or two groups of rechargeable batteries to mend simultaneously; The 2nd, can be used for a Battery pack and mend fast;
With the pressure drop of 2 silicon rectifier diode series connection back generation >=1.4V, for super bright light-emitting diode provides operating voltage.2 silicon rectifier diodes in two groups of output loops, connect earlier respectively then in the mode of 1 super bright light-emitting diode of across of 2 silicon rectifier diodes, solved the indication problem of battery pack operating state when mending electricity.
Description of drawings
Accompanying drawing 1 is that the used in an embodiment circuit working schematic diagram of electrical equipment is mended with constant current in the rechargeable battery outfield.
Embodiment
Below in conjunction with accompanying drawing 1 and description of drawings, and implement to realize the present invention according to components and parts subordinate list and following specification requirement.
Components and parts title and important technological parameters
| Element number | The components and parts title | Leading indicator | Quantity | Remarks |
| IC1、IC2 | LM317 or LM338 | TO-220 or TO-3 encapsulation | 2 | Positive polarity output |
| D1～D4 | 1N5825 (Schottky diode) | 3A/40V | 4 | Or use SB220 |
| D5～D8 | 1N4001 (silicon rectifier diode) | 1A/50V | 4 | Or use 1N4002 |
| LED1、LED2 | Super bright red light emitting diodes | ￠5 | 2 | Being fit to the outfield uses |
| C1 | Electrochemical capacitor | 1000μF/25V | 1 | Vertical |
| R1、R3 | Metalfilmresistor | 10Ω/1W | 2 | |
| R2、R4 | Metalfilmresistor | 43Ω | 2 | The fine setting constant current value |
Circuit production main points and circuit debugging
Three end adjustable voltage-regulating ic pieces: the LM338 that must select anodal output plastic packaging LM317 or metallic packaging for use;
Heat abstractor: because of the plastic casing inner space of mending electrical equipment less; No specification is fit to the radiator of three end adjustable voltage-regulating ic pieces (LM317) on the market; So select 3 solderable radiators for use and connect for every group; Every group of radiator uses the screw rod of 1 piece of ￠ 3 * 30mm to tighten together respectively, and the leg of 2 groups of radiators directly is welded on the corresponding pad of PCB circuit board; If select the LM338 of metallic packaging for use, because of the operating current I not use radiator;
The constant current value adjustment: resistance R 2 or resistance R 4 are to establish for accurately adjusting constant current value in the accompanying drawing 1, and its Standard resistance range is 39～51 Ω.
Technical indicator
Mend in the outfield: recommend with 12V, the above storage battery of capacity 4AH;
Indoor charging: use at the indoor high-performance battery charger that can be used as, common rectifier power source or AC power or the Switching Power Supply of selecting 12～15V, output current >=1A for use are as the power supply of mending electrical equipment;
Mend electric port: A group, B organize output port, can be 1 group or be 2 groups of rechargeable batteries benefits simultaneously;
Mend electric current: select slow shelves for use, A, two groups of output ports of B are mended electric current and are 150mA (constant current); Selecting fast shelves constant current value for use is 300mA, but can only use A group port;
Mend every group of output port of electrical equipment the operating state indication is arranged respectively;
Mend the battery joint number: can be * 2 groups of (1.2～7.2V * 2 group) NI-Gs of 1～6 joint or nickel-hydrogen chargeable cell and carry out constant current and mend.
Method for using
The battery of the older or poor-performing of rechargeable battery, the charging interval should be selected long.Mend electricity in the outfield for the model plane electrokinetic cell or under the situation of usefulness such as anxious, should select the little electric current of slow shelves to mend electric mode and help to fill rechargeable battery full, and be difficult for generating heat and damage rechargeable battery;
Before indoor charging, for eliminating the remaining electric weight of memory rechargeable battery set, should discharge by code requirement, when discharging current was 300mA, the final voltage of rechargeable battery bringing onto load discharge was 0.85～0.90V;
When mending electricity at a slow speed, every joint rechargeable battery control voltage is 1.58V (mending electrical equipment does not have design to be full of automatic stopping circuit, and the most handy digital voltmeter is kept watch on during use, to prevent excessive benefit electric injury rechargeable battery);
Be 4 joints or following the rechargeable battery of 4 joints when mending electricity, because of the voltage difference at three end adjustable voltage-regulating ic piece two ends produces more heat greatly, all will pay special attention to mend the ventilation and the heat radiation of electrical equipment, and benefit will be avoided the sun direct projection when electric;
Generally the benefit electricity time was controlled at 10～25 minutes in the outfield, stopped to mend in 1～2 minute that grasps before starting the clock.
Claims (1)
1. electrical equipment is mended with constant current in a rechargeable battery outfield; By 12V DC power supply, electric power polarity identification circuit, two groups of constant-current source circuits, mend electric separation fast or at a slow speed and select circuit, two groups and mend that the electrician makes condition indication circuit and two groups of constant current lead-out terminals are formed, its characteristic comprises:
The electric power polarity identification circuit is connected into full bridge rectifier by 4 Schottky diode D1～D4, and the positive pole of full bridge rectifier output connects the positive pole of electrochemical capacitor C1, the negative pole connection circuit ground of electrochemical capacitor C1, the input termination 12V DC power supply of full bridge rectifier;
Two groups of constant-current source circuits are made up of the adjustable integrated package of pressure-stabilizing IC1 of three ends, resistance R 1, resistance R 2 and the adjustable integrated package of pressure-stabilizing IC2 of three ends, resistance R 3, resistance R 4; Input 3 pin of three ends are adjustable integrated package of pressure-stabilizing IC1 connect the positive pole of electrochemical capacitor C1; The end of the output 2 pin connecting resistance R1 of three ends are adjustable integrated package of pressure-stabilizing IC1 and an end of resistance R 2, the 1 pin adjustment end (ADJ) of the adjustable integrated package of pressure-stabilizing IC1 of another termination three ends of the other end of resistance R 1 and resistance R 2; Input 3 pin of three ends are adjustable integrated package of pressure-stabilizing IC2 connect the positive pole of electrochemical capacitor C1; The end of the output 2 pin connecting resistance R3 of three ends are adjustable integrated package of pressure-stabilizing IC2 and an end of resistance R 4, the 1 pin adjustment end (ADJ) of the adjustable integrated package of pressure-stabilizing IC2 of another termination three ends of the other end of resistance R 3 and resistance R 4;
Mend electric separation fast or at a slow speed and select the 1 pin adjustment end (ADJ) that the common port com of the single-pole double-throw switch (SPDT) SW in the circuit meets the adjustable integrated package of pressure-stabilizing IC2 of three ends; The contact a of single-pole double-throw switch (SPDT) SW connects the 1 pin adjustment end (ADJ) of the adjustable integrated package of pressure-stabilizing IC1 of three ends, and the contact b of single-pole double-throw switch (SPDT) SW connects the positive pole of silicon rectifier diode D7;
Silicon rectifier diode D5～D6 and silicon rectifier diode D7～D8 in two groups of constant current lead-out terminals are serially connected in respectively in the output loop of constant-current source circuit A, constant-current source circuit B; The positive pole of silicon rectifier diode D5 meets the 1 pin adjustment end (ADJ) of the adjustable integrated package of pressure-stabilizing IC1 of three ends and the contact a of single-pole double-throw switch (SPDT) SW; The negative pole of silicon rectifier diode D5 connects the positive pole of silicon rectifier diode D6; The negative pole of silicon rectifier diode D6 connects constant current A group lead-out terminal; The contact b of the anodal order double-pole double throw switch SW of silicon rectifier diode D7; The negative pole of silicon rectifier diode D7 connects the positive pole of silicon rectifier diode D8, and the negative pole of silicon rectifier diode D8 connects constant current B group lead-out terminal;
Mend the positive pole that positive pole that the electrician makes the super bright LED 1 in the A group-indicate circuit in the condition indication circuit meets silicon rectifier diode D5 for two groups; The negative pole of super bright LED 1 connects the negative pole of silicon rectifier diode D6; The positive pole of the super bright LED 2 in the B group circuit connects the positive pole of silicon rectifier diode D7, and the negative pole of super bright LED 2 connects the negative pole of silicon rectifier diode D8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100201410A CN102570554A (en) | 2012-01-29 | 2012-01-29 | Constant-current power compensator for external field of rechargeable battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100201410A CN102570554A (en) | 2012-01-29 | 2012-01-29 | Constant-current power compensator for external field of rechargeable battery |
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| Publication Number | Publication Date |
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| CN102570554A true CN102570554A (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100201410A Pending CN102570554A (en) | 2012-01-29 | 2012-01-29 | Constant-current power compensator for external field of rechargeable battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112677791A (en) * | 2020-11-23 | 2021-04-20 | 安徽恒瑞新能源股份有限公司 | Portable high-power energy storage fills electric pile |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2219558Y (en) * | 1995-03-16 | 1996-02-07 | 西安铁路分局宝鸡东站 | Multifunctional charger |
| CN101789615A (en) * | 2010-01-09 | 2010-07-28 | 黄宇嵩 | Outfield special constant-current power compensating device for model airplane battery |
| CN201590671U (en) * | 2010-01-09 | 2010-09-22 | 黄宇嵩 | Constant current charging apparatus special for model airplane battery external field |
-
2012
- 2012-01-29 CN CN2012100201410A patent/CN102570554A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2219558Y (en) * | 1995-03-16 | 1996-02-07 | 西安铁路分局宝鸡东站 | Multifunctional charger |
| CN101789615A (en) * | 2010-01-09 | 2010-07-28 | 黄宇嵩 | Outfield special constant-current power compensating device for model airplane battery |
| CN201590671U (en) * | 2010-01-09 | 2010-09-22 | 黄宇嵩 | Constant current charging apparatus special for model airplane battery external field |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112677791A (en) * | 2020-11-23 | 2021-04-20 | 安徽恒瑞新能源股份有限公司 | Portable high-power energy storage fills electric pile |
| CN112677791B (en) * | 2020-11-23 | 2022-07-29 | 安徽汉星能源有限公司 | Portable high-power energy storage fills electric pile |
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Application publication date: 20120711 |