CN2497467Y - Intelligent circulating intermittent pulse charger - Google Patents
Intelligent circulating intermittent pulse charger Download PDFInfo
- Publication number
- CN2497467Y CN2497467Y CN 01247648 CN01247648U CN2497467Y CN 2497467 Y CN2497467 Y CN 2497467Y CN 01247648 CN01247648 CN 01247648 CN 01247648 U CN01247648 U CN 01247648U CN 2497467 Y CN2497467 Y CN 2497467Y
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- Prior art keywords
- circuit
- pin
- negative pole
- pulse transformer
- positive pole
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Abstract
An intermittent pulse charger of intelligence circulation comprises a switch power supply, a Buck switch converter consisting of a field effect transistor Q 5, and a single-chip control circuit consisting of current, a voltage sampling circuit, a single-chip U 5, and a program memory U 6. The switch power supply consists of a filter rectifier circuit, a pulse transformer T 1, an insulation reactive circuit, and a manifold block U 1; the output of U 1 is transmitted to T 1 primary through a clamp circuit; the control signal transmitted from U 5 13 is transmitted to the grid of Q 5 through photoelectric coupling. The 1 foot and the 2 foot of U 5 are respectively connected with two-wire contact pin JP 3 and JP 2. The utility model is provided with a pre-charged three-section circulated charge mode of constant current, constant voltage, and trickle charge, has high precision, and is beneficial to prolonging the service life of battery.
Description
Technical field:
The utility model relates to the charging device that lead acid battery charge is used, and makes the field in particular for the intelligent charger of electromobile battery.
Background technology:
Chinese patent literature CN2385461Y discloses a kind of " electric motor intelligent charger ", mainly by voltage conversion circuit that the civil power input is handled through filtering, rectification, transformation and the pulse generating circuit of forming with field effect transistor, and the single chip machine controlling circuit composition that contains current sampling, voltage sample circuit.It by monolithic processor controlled charge mode is: 1, multistage is decided electric current intermittent charge; 2, two rank constant voltage subtracts current charges; 3, multiple discharge pulse pattern.It is conventional constant current, constant voltage charge pattern emphatically, lacks " preliminary filling " process and the trickle charge process in charging later stage that storage battery is detected, does not also have circulating charging process.
Summary of the invention:
The purpose of this utility model is to provide a kind of intelligent circulation intermittent pulse charger at the deficiencies in the prior art part, simulate the optimal charge characteristic curve better with the cycle charging pattern, further improve the charging quality, this purpose is achieved through the following technical solutions: a kind of intelligent circulation intermittent pulse charger comprises the voltage conversion circuit that civil power is carried out filtering, rectification, transformation; Pulse generating circuit; Contain the single chip machine controlling circuit of electric current, voltage sample circuit, it is characterized in that, described voltage conversion circuit and pulse generating circuit by Switching Power Supply and Buck switch transformed circuit in turn cascade form.Above-mentioned Switching Power Supply is by filter rectifier cascade pulse transformer T
1Elementary, the isolation feedback circuit through mainly being made up of photoelectrical coupler IS01 (TLP521-1) is from pulse transformer T again
1Secondary taking-up signal is delivered to integrated package U
1(TOP227), U
1Output deliver to pulse transformer T through clamp circuit
1Elementary; Above-mentioned Buck switch transformed circuit is by field effect transistor Q
5, Schottky diode D
7, D
8, inductance L
3, capacitor C
14, electrochemical capacitor C
15, resistance R
9Form, its annexation is as follows: Q
5Source S meet the secondary output of pulse transformer, Q
5Drain D meets D
8Negative pole, D
8Positive pole meets D
7Positive pole, D
7Negative pole and C
15Positive pole meets secondary another output of pulse transformer, C
15Negative pole meets L
3One end and R
9Ground connection behind one end, L
3Another termination D
7Positive pole, C
14One end ground connection, another termination Q
5Source S; Described single chip machine controlling circuit is by single-chip microcomputer U
5(MFC102A), current sampling circuit, voltage sampling circuit and the memory under program U that remembers as charging cycle
6(93c46) form; Above-mentioned current sampling circuit takes out signal from pulse transformer secondary (III) and send into U after amplifying
53 pin, voltage sampling circuit takes out signal from pulse transformer secondary (III) and send into U after amplifying
54 pin; Above-mentioned U
61,2,3,4 pin be connected to U respectively
59,8,7,6 pin; Above-mentioned single-chip microcomputer U
5The control signal sent of 13 pin through photoelectrical coupler (6N136), after amplifying, deliver to field effect transistor Q again
5Grid G; Single-chip microcomputer U
51 pin through resistance R
28Meet Vcc, this 1 pin connects two line contact pin JP
3Back ground connection, U
52 pin through resistance R
27After meet Vcc, this 2 pin connects two line contact pin JP
2Back ground connection.From technique scheme as seen, adopt application-specific integrated circuit (ASIC) U
1(TOP227) with pulse transformer T
1Form a typical single-ended flyback converter.Because from secondary isolation feedback circuit and the U that draws signal of pulse transformer
1The output pulse through the electric pulse of the stable 41V of the secondary output of clamp circuit pulse transformer, last stable high-quality the DC pulse (≤24V of Buck switch transformed circuit output that forms via field effect transistor again, 3A ± 0.3A), the output pulse of this translation circuit is by Single-chip Controlling, whole charging process Design Pattern is preliminary filling and constant current charge, constant voltage charge, trickle charge three phases, dynamic parameter according to the battery charging process of electric current, voltage sampling circuit input (contains memory under program U by single-chip microcomputer
6) after the data processing, adjust parameters such as charging pulse amplitude, cycle, charging duty ratio, and carry out multiple endless form according to the charge in batteries number of times and select, this novel distinguishing feature is: loop control, the control of charging pulse parameter, charging curve (syllogic) control.It can better simulate the optimal charge characteristic curve according to the electrical characteristics situation of storage battery, guarantees charging capacity, slows down sulfuration, extending battery life.
Description of drawings:
Fig. 1 is an electric theory diagram of the present utility model;
Fig. 2 is the electric theory diagram of Switching Power Supply shown in Figure 1;
Fig. 3 is the circuit theory diagrams of an embodiment of the present utility model.
Among Fig. 1, civil power is sent into Switching Power Supply 1, its output signal is sent into Buck switch transformed circuit 2, current sampling circuit 4 and voltage sampling circuit 5 are all from circuit 2 output acquired signal, and deliver to single-chip microcomputer 6, memory under program 7 (is stored the loop control program, consider from factors such as costs, adopt external eeprom chip) upward be provided with data exchange channel between the single-chip microcomputer 6, single-chip microcomputer is to electric current, the dynamic parameter of the charging process that voltage sampling circuit comes, carry out data processing, its signal loading circuit 2 is also carried out control to circuit 2 (coming down to the charging pulse translation circuit), with charging pulse parameter or the change electric current of adjusting its output, voltage is finally realized loop control, the control of charging pulse parameter, designing requirements such as charging curve (syllogic) control.In addition, for preventing factor such as reverse connection of accumulator short circuit, circuit 2 back levels are associated with output auxiliary circuit 3; The output signal of single-chip microcomputer is delivered to panel display circuit 8, and circuit 8 dynamically shows reflection charging process situation.Fig. 2 illustrates: Switching Power Supply is by filter rectifier la cascade pulse transformer T among Fig. 1
1Elementary I, mainly the isolation feedback circuit 1b that is made up of photoelectrical coupler IS01 (TLP521-1 sees Fig. 3) is from pulse transformer T
1Secondary III takes out signal and delivers to integrated package U
1(TOP227 sees Fig. 1), U
1Output deliver to pulse transformer T through clamp circuit 1c
1Elementary I.Among Fig. 3, A partly is a Switching Power Supply, and B partly is a charging circuit, and C partly is the output auxiliary circuit.In the A part: civil power is through plug J
1, J
2Enter, at first through filter rectifier (by L
1, C
1, C
2, C
Y, BR
1Form), its output cascade pulse transformer T
1Elementary I, this output is subjected to U simultaneously
1(PWM switch) control: resistance R
3, R
4, voltage stabilizing didoe D
4, photoelectrical coupler ISO1 forms isolation feedback circuit 1b, and this circuit 1b is from T
1Secondary III takes out signal and delivers to integrated package U
11 pin, U
13 pin connect T
1Elementary I one end and diode D
1Anodal; D
1, resistance R
1, capacitor C
4Form clamp circuit: R
1One end and C
4One termination T
1An elementary end, R
1The other end and C
4Another termination D
1Negative pole, D
1Positive pole meets U
13 pin and T
1The other end of elementary I.T
1Winding II for auxiliary winding, by D
2Rectification, R
2, C
5Be filtered into U
1The operating voltage of about 15V is provided.Voltage-stabiliser tube D
3Restriction C
5On voltage be no more than 41V.T
1Winding IV secondary for auxiliary output, it and three terminal regulator U
2(LM7805) form single-chip microcomputer operating voltage circuit: by U
2, diode D
10, electrochemical capacitor C
16-18, inductor L
4Form; Its annexation is as follows: the node 14 of coil IV meets D
10Positive pole, D
10Negative pole and C
16Positive pole all is connected to L
4One end, L
4The other end and C
17Positive pole all is connected to U
21 pin, U
22 pin, C
16Negative pole, C
17Negative pole and coil IV node 12 equal ground connection, C
18Positive pole meets U
23 pin, negative pole meets U
22 pin.Through D
10Rectification, C
16, L
4, C
17Filtering produces 12V direct current air feed fan and switching power source control circuit uses.In the B part: the Buck switch transformed circuit is by field effect transistor Q
5, Schottky diode D
7, D
8, inductor L
3, capacitor C
14, electrochemical capacitor C
15, resistance R
9Form, annexation is as follows: Q
5Source S meet T
1The VN end of secondary III, Q
5Drain D meets D
8Negative pole, D
8Positive pole meets D
7Positive pole, D
7Negative pole and C
15Positive pole is connected to T
1The VP end of secondary III, C
15Negative pole meets L
3One end and R
9Ground connection behind one end, L
3Another termination D
7Positive pole, C
14One end ground connection, another termination Q
5Source S; Single chip machine controlling circuit is by single-chip microcomputer U
5(MFC102A), current sampling circuit, voltage sampling circuit and the memory under program U that remembers as charging cycle
6(93C46) form.Current sampling circuit is by R
11, R
17-20, C
23-24, U
4BForm R
11Be sampling resistor, R
17-19, C
23, U
4BBe inverting amplifier, R
20, C
24Be used to reduce impulse disturbances.Voltage sampling circuit is by R
13-16, C
21-22, U
4AForm R
13, R
14Be divider resistance, C
21Be used to reduce ripple, U
4A, R
15Form voltage follower, be used for impedance conversion, R
16, C
22Be used to reduce impulse disturbances.Current sampling circuit is from T
1Secondary III takes out signal, sends into U after amplifying
53 pin; Voltage sampling circuit is from T
1Secondary III takes out signal, sends into U after amplifying
54 pin; U
5The control signal sent of 13 pin (pwm signal output, effectively high) through photoelectrical coupler IS02 (6N136), after amplifying, deliver to field effect transistor Q again
5Grid G (IS02, R
6-8, Q
2-4Form driver for isolating, be used for to Q
5Drive signal is provided; R
5, D
6, C
12, Q
1, C
13For driver for isolating provides 14V power supply; R
29-31, Q
7Be used to IS02 that drive current is provided).Single-chip microcomputer U
51 pin (S
3End) through resistance R
28Meet Vcc, this 1 pin connects two line contact pin JP
3Back ground connection, U
52 pin (S
2End) through resistance R
27After meet Vcc, this 2 pin connects two line contact pin JP
2Back ground connection.U
520 pin through resistance R
26After meet Vcc, this 20 pin connects two line contact pin JP
1Back ground connection.U
51,2 pin be the function selecting end, be used to select the cycle period of charger, U
520 pin (S
1End) is the function selecting end, connects high level during work; Low level is the factory testing state.
Subordinate list helps can option table
(endless form is by the wire jumper adjustment; Wherein mode A, B are respectively two kinds of impulse forms with different parameters) charging process by preliminary filling and constant current charge, constant voltage charge, trickle (＜0.3A) the charging three phases is formed.Wherein preliminary filling (＜0.2A) time is 3 minutes; The constant current charge time is by battery capacity and depth of discharge decision; Constant voltage charging time has fixing 200 minutes and 150 minutes two kinds (intermittent mode charging have only 150 minutes a kind of).Direct current is output as during charging: 24V (changing with charging process), 3A ± 0.3A.The panel display circuit is by red, yellow, green light-emitting diode LD
1, LD
2, LD
3, resistance R
34-38, triode Q
8, Q
9Form, annexation is as follows: LD
3Positive pole meets Vcc, negative pole serial connection R
36Back ground connection, LXD
2Positive pole meets Vcc, negative pole serial connection R
37After be connected to Q
8Collector electrode, Q
8Grounded emitter, Q
8Base stage series connection R
34After meet U
510 pin; LD
1Positive pole meets Vcc, negative pole serial connection R
38After be connected to Q
9Collector electrode, Q
9Grounded emitter, base stage series connection R
35After be connected to U
511 pin.LD
1Be red power supply indicator, LD
2Be yellow charging indicator light, L
D3 go out for green charging finishes indicator light (if the flicker of above-mentioned indicator light illustrates the charger operation irregularity).Level is associated in the output auxiliary circuit 3 behind the Buke switch transformed circuit, by field effect transistor Q
6, Q
10, voltage stabilizing didoe D
9, diode D
11Resistance R
12, electrochemical capacitor C
31Form, its annexation is as follows: D
11Negative pole, R
12One is terminated at the end of the secondary III of pulse transformer, D
11Positive pole, R
12The other end, C
31Positive pole, D
9Negative pole and Q
6And Q
10Grid G all join C
31Negative pole, D
9Positive pole, Q
6And Q
10Source S be connected to some Q
10Drain electrode connect the other end of the secondary III of pulse transformer, Q
6Drain electrode as an output.Circuit 3 mainly is to prevent the reverse connection of accumulator short circuit and prevent that storage battery from giving C
15Charging causes sparkover.Memory under program U
6(93c46) be external eeprom chip, U
61,2,3,4 pin be connected to U respectively
59,8,7,6 pin.With U
3(TL431) be that main element composition reference power source is connected to U
515 pin.Compare with existing electric vehicle charger, this is novel to have following feature and advantage: 1, charging curve (syllogic) control, " preliminary filling " process that in addition battery is detected except that constant current, constant voltage, the trickle charge pattern of routine.Charging process is the batch (-type) pulse current charge, and parameters such as its pulse amplitude, cycle, charging duty ratio change with the difference of cell charging times, and circulate behind certain charging times; 2, charging process control precision height; 3, perfect kinds of protect had both made the protected and unlikely damage of charger, protected again that battery is unlikely to be overcharged or owe to fill, and slowed down sulfuration, extending battery life.
| S 1 | S 2 | S 3 | Operating state |
| 1 | 0 | 0 | Intermittent duty: do not circulate, all the time by mode B charging |
| 1 | 0 | 1 | 3 endless form: by mode A charging twice, by mode B charging 1 time |
| 1 | 1 | 0 | 4 endless form: by mode A charging 3 times, by mode B charging 1 time |
| 1 | 1 | 1 | 5 endless form: by mode A charging 4 times, by mode B charging 1 time |
Claims (6)
1, a kind of intelligent circulation intermittent pulse charger comprises the voltage conversion circuit that civil power is carried out filtering, rectification, transformation; Pulse generating circuit; Contain the single chip machine controlling circuit of electric current, voltage sample circuit, it is characterized in that, described voltage conversion circuit and pulse generating circuit by Switching Power Supply (1) and Buck switch transformed circuit (2) in turn cascade form; Above-mentioned Switching Power Supply (1) is by filter rectifier (1a) cascade pulse transformer T
1Elementary (I), the isolation feedback circuit (1b) through mainly being made up of photoelectrical coupler IS01 (TLP521-1) is from pulse transformer T again
1Secondary (III) takes out signal and delivers to integrated package U
1(TOP227), U
1Output deliver to pulse transformer T through clamp circuit (1C)
1Elementary (I); Above-mentioned Buck switch transformed circuit (2) is by field effect transistor Q
5, Schottky diode D
7, D
8, inductance L
3, capacitor C
14, electrochemical capacitor C
15, resistance R
9Form, its annexation is as follows: Q
5Source S meet pulse transformer secondary (III) output VN, Q
5Drain D meets D
8Negative pole, D
8Positive pole meets D
7Positive pole, D
7Negative pole and C
15Positive pole meets secondary another output of pulse transformer VP, C
15Negative pole meets L
3One end and R
9Ground connection behind one end, L
3Another termination D
7Positive pole, C
14One end ground connection, another termination Q
5Source S; Described single chip machine controlling circuit is by single-chip microcomputer U
5(MFC102A), current sampling circuit (4), voltage sampling circuit (5) and the memory under program U that remembers as charging cycle
6(93c46) form; Above-mentioned current sampling circuit (4) takes out signal from pulse transformer secondary (III) and send into U after amplifying
53 pin, voltage sampling circuit (5) takes out signal from pulse transformer secondary (III) and send into U after amplifying
54 pin; Above-mentioned U
61,2,3,4 pin be connected to U respectively
59,8,7,6 pin; Above-mentioned single-chip microcomputer U
5The control signal sent of 13 pin through photoelectrical coupler (6N136), after amplifying, deliver to field effect transistor Q again
5Grid G; Single-chip microcomputer U
51 pin through resistance R
28Meet Vcc, this 1 pin connects two line contact pin JP
3Back ground connection, U
52 pin through resistance R
27After meet Vcc, this 2 pin connects two line contact pin JP
2Back ground connection.
2, charger as claimed in claim 1 is characterized in that, described clamp circuit (1C) is by diode D
1, resistance R
1, capacitor C
4Form; R
1One end and C
4One is terminated at pulse transformer elementary (I) end, R
1The other end and C
4Another termination D
1Negative pole, D
1Anodal and described integrated package U
13 pin be connected to pulse transformer elementary (I) other end.
3, charger as claimed in claim 2 is characterized in that, also comprises panel display circuit (8), described single-chip microcomputer U
5Output deliver to panel display circuit (8).
4, charger as claimed in claim 3 is characterized in that, described panel display circuit (8) is by red, yellow, green light-emitting diode LD
1, LD
2, LD
3, resistance R
34-38, triode Q
8, Q
9Form; Its annexation is as follows: LD
3Positive pole meets Vcc, negative pole serial connection R
36Back ground connection, LD
2Positive pole meets Vcc, negative pole serial connection R
37After be connected to Q
8Collector electrode, Q
8Grounded emitter, Q
8Base stage series connection R
34After meet U
510 pin; LD
1Positive pole meets Vcc, negative pole series connection R
38After be connected to Q
9Collector electrode, Q
9Grounded emitter, base stage series connection R
35After be connected to U
511 pin.
As claim 1 or 2 or 3 or 4 described chargers, it is characterized in that 5, also comprise the output auxiliary circuit (3) after level is associated in Buck switch transformed circuit (2), it is by field effect transistor Q
6, Q
10, voltage stabilizing didoe Q
9, diode D
11, resistance R
12, electrochemical capacitor C
31Form, its annexation is as follows: D
11Negative pole, R
12One is terminated at an end of pulse transformer secondary (III), D
11Anodal, R
12The other end, C
31Anodal, D
9Negative pole and Q
6And Q
10Grid G all join C
31Negative pole, D
9Anodal, Q
6And Q
10Source S be connected to some Q
10Drain electrode connect the other end of pulse transformer secondary (III), Q
6Drain electrode as an output.
6, charger as claimed in claim 5 is characterized in that, described pulse transformer T
1On also be provided with an auxiliary secondary coil (IV), this coil and three terminal regulator U
2(LM7805) form single-chip microcomputer operating voltage circuit, this circuit is by U
2, diode D
10, electrochemical capacitor C
16, C
17, C
18, inductor L
4Form; Its annexation is as follows: coil (IV) node 14 meets D
10Positive pole, D
10Negative pole and C
16Positive pole all is connected to L
4One end, L
4The other end and C
17Positive pole all is connected to U
21 pin, U
22 pin, C
16Negative pole, C
17Negative pole and coil (IV) node 12 equal ground connection, C
18Positive pole meet U
23 pin, negative pole meets U
22 pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01247648 CN2497467Y (en) | 2001-09-18 | 2001-09-18 | Intelligent circulating intermittent pulse charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01247648 CN2497467Y (en) | 2001-09-18 | 2001-09-18 | Intelligent circulating intermittent pulse charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2497467Y true CN2497467Y (en) | 2002-06-26 |
Family
ID=33658465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01247648 Expired - Fee Related CN2497467Y (en) | 2001-09-18 | 2001-09-18 | Intelligent circulating intermittent pulse charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2497467Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001293A (en) * | 2012-11-30 | 2013-03-27 | 余姚亿威电子科技有限公司 | Controller for charging storage battery with constant voltages and currents |
| CN103633703A (en) * | 2013-12-03 | 2014-03-12 | 大连大学 | Intelligent charger |
| CN103972961A (en) * | 2014-04-28 | 2014-08-06 | 安徽速力洁电子科技有限公司 | Intelligent timing electric vehicle charger |
| CN113258637A (en) * | 2021-05-13 | 2021-08-13 | 浙江法然特浙科科技有限公司 | Control system of high-performance pulse type charger |
-
2001
- 2001-09-18 CN CN 01247648 patent/CN2497467Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001293A (en) * | 2012-11-30 | 2013-03-27 | 余姚亿威电子科技有限公司 | Controller for charging storage battery with constant voltages and currents |
| CN103633703A (en) * | 2013-12-03 | 2014-03-12 | 大连大学 | Intelligent charger |
| CN103633703B (en) * | 2013-12-03 | 2015-07-08 | 大连大学 | Intelligent charger |
| CN103972961A (en) * | 2014-04-28 | 2014-08-06 | 安徽速力洁电子科技有限公司 | Intelligent timing electric vehicle charger |
| CN113258637A (en) * | 2021-05-13 | 2021-08-13 | 浙江法然特浙科科技有限公司 | Control system of high-performance pulse type charger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |