CN2482259Y - Lithium battery charging and power supply controller - Google Patents
Lithium battery charging and power supply controller Download PDFInfo
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- CN2482259Y CN2482259Y CN 01204620 CN01204620U CN2482259Y CN 2482259 Y CN2482259 Y CN 2482259Y CN 01204620 CN01204620 CN 01204620 CN 01204620 U CN01204620 U CN 01204620U CN 2482259 Y CN2482259 Y CN 2482259Y
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a charging and power supply controller of a lithium battery, and relates to the charging and power supply technology of the lithium battery. The utility model aims at solving the deficiency that the control function of the existing charging and power supply circuit is unitary, the efficiency of the controlled charging battery is low, and the capacity is small; the controller of the utility model comprises a switch power circuit, an output control circuit, a center control circuit, a data acquisition circuit, and a display circuit; the controller can control the battery fault detection, the battery environment temperature maintenance, the state monitoring, and the over-current and over-voltage protection of the charging and power supply of the lithium battery combined with the charging and power supply characteristic of a high power lithium battery, the structure is rational, and the control effect is good.
Description
The utility model relates to power supply control technology field, the particularly charging of lithium battery, power supply control technology.
Battery fills, the Control Technology of Discharge development is very fast, its corresponding circuit kind is a lot of, as application number be: " 95118441 ", name is called: " charger ", application number is: " 93217632 ", name is called: the patent application technology of " microcomputer motor-car charger " or the like, all relating to battery fills, charge/discharge control circuit, these existing chargings, power-supplying circuit, mainly be at acid battery, storage batterys such as Ni-MH battery, these circuit controlled function comparatively speaking are single, do not have automatically and detect, automatically identification, automatically control, functions such as automatic protection, and the quilt of being controlled to fill storage battery power low, capacity is little; Along with the development of society, to the needs of the environment-protecting clean energy, the application of lithium battery more and more is subject to people's attention, and particularly the lithium battery applications prospect during Da Rong is extensive especially, and charging corresponding with it at present, power-supply controller also do not have.
The purpose of this utility model is at the deficiencies in the prior art; the feature of filling, power in conjunction with the high power lithium battery designs a kind of lithium cell charging, power-supply controller of special use, and uses it to possess battery failures detection, battery context temperature maintenance; condition monitoring, the over-current over-voltage protection function.
The purpose of this utility model can be achieved through the following technical solutions, design a kind of lithium cell charging, power-supply controller, comprise housing and circuit unit, in the described circuit unit civil power through rectification circuit, power for some reason compensating circuit provide a direct current power supply to former pole excitation circuit, by the electric energy of former pole excitation circuit control behind converter, through rectification circuit, inductive circuit and filter circuit, arrangement is sent and is sent a telegraph the pond dispatch circuit after the circuit supply load is adjusted in power supply again; The control of circuit is made up of integrated circuit UO and IC9, output integrated circuit UO at former pole excitation circuit reaches by the voltage detecting circuit of filter circuit output sampling and the control of IC9 composite signal through current detection circuit, former pole excitation circuit is adjusted, integrated circuit (IC) 9 is picked up current signal through current detection circuit by inductive circuit, power supply adjustment circuit and UO are controlled, integrated circuit (IC) 9 is also adjusted the output sampling of circuit in power supply, to increase control precision, demonstration, warning circuit show, report to the police by 9 pairs of entire circuit of integrated circuit (IC).
Rectification circuit, inductive circuit are formed rectification, freewheeling circuit by transformer T1, inductance L 1, switching tube D1, D2, integrated circuit UO, IC9, capacitor C 311, C321, resistance R 311, R321 in lithium cell charging, the power-supply controller, and adjustable voltage continuously is provided on a large scale.Scheduling batteries circuit and battery pack are by relay K 1, K2 ... Kn, triode Q991, Q992 ... Q99n and battery BT1, BT2 ... BTn forms, and what be subjected to integrated circuit and IC9 control can realize battery series, parallel, connection in series-parallel powering mode automatically according to the load needs.Lithium cell charging, power-supply controller, power supply is adjusted circuit and is made up of inductance L 9, diode D970, D972, capacitor C 970, C971, C972,9 utmost points of inductance L have the tap of many groups or connect switching device in the middle of taps, finish simultaneously boost, step-down or inverting function, to produce the positive and negative voltage output of multichannel.Current detection circuit is made of the induction testing circuit of direct current size after the rectification inductance L 1, resistance R 816, R817, R818, diode Z816, Z817 and electric capacity E817, during with electrode current variable quantity and Vaut variation at the beginning of L1, the variation that is directly proportional of L1 electrode current, thus make IC9 obtain the Vaut detection signal.
The utility model is compared with present technology, can have battery failures and detect high power lithium battery charge, power supply control, fill, the power supply state monitoring, and the battery context temperature maintenance, the over-current over-voltage protection function, simple in structure, reasonable in design.
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is a schematic block circuit diagram of the present utility model;
Fig. 3 is the software logic schematic diagram of the utility model IC9;
Fig. 4 is the utility model battery series system schematic diagram;
Fig. 5 is the utility model battery parallel way schematic diagram;
Fig. 6 is adjustment circuit diagram a of the present utility model;
Fig. 7 is adjustment circuit diagram b of the present utility model;
Fig. 8 is adjustment circuit diagram c of the present utility model;
Fig. 9 is adjustment circuit diagram d of the present utility model;
Figure 10 is adjustment circuit diagram e of the present utility model;
Figure 11 is adjustment circuit diagram f of the present utility model;
Figure 12 is the utility model embodiment circuit diagram.
K4-1, K4-2, K4-3 are for connecting device among Fig. 4, and E4-1, E4-2 are battery;
F5-1 is an output cathode among Fig. 5, and F5-2 is anodal for input, and K5-1 connects device for input, and K5-2 connects device for output, and E5-1, E5-2 are battery;
D6-1 is a rectifying tube among Fig. 6, and K6-1 is for adjusting switch, and S6-1 is a coil, and E6-1 is a battery, and G6-1 is a HF switch;
K7-1 is for adjusting switch among Fig. 7, and D7-1 is a rectifying tube, and S7-1 is a coil, and E7-1 is a battery, and G7-1 is a HF switch;
K8-1 is for adjusting switch among Fig. 8, and D8-1 is rectifying tube not, and S8-1 is a coil, and E8-1 is a battery, and G8-1 is a HF switch;
K9-1 is for adjusting switch among Fig. 9, and D9-1 is a rectifying tube, and S9-1 is a coil, and E9-1 is a battery, and G9-1 is a HF switch;
K10-1 is for adjusting switch among Figure 10, and D10-1 is a rectifying tube, and SI0-1 is a coil, and E10-1 is a battery, and GL0-1 is a HF switch;
K11-1 is a HF switch among Figure 11, and E11-1 is a battery, and B11-1 is a transformer, and S11-1 is for exchanging output.
Below in conjunction with accompanying drawing the utility model is described in further detail:
A kind of lithium cell charging, power-supply controller, comprise housing 1 and circuit unit 2, in the described circuit unit 2 civil power through rectification circuit 201, power for some reason compensating circuit 202 provide a direct current power supply to former pole excitation circuit 203,, behind converter 204, send through rectification circuit 205, inductive circuit 206 and filter circuit 207, arrangement again and send a telegraph pond dispatch circuit 208 by the electric energy of former pole excitation circuit 203 controls after circuit 210 supply loads 211 are adjusted in power supply; The control of circuit is made up of integrated circuit U0 and IC9, output integrated circuit UO at former pole excitation circuit 203 reaches by the voltage detecting circuit 213 of filter circuit 207 outputs sampling and the control of IC9 composite signal through current detection circuit 212, former pole excitation circuit 203 is adjusted, integrated circuit (IC) 9 is picked up current signal through current detection circuit 214 by inductive circuit 206, power supply adjustment circuit 210 and UO are controlled, integrated circuit (IC) 9 is also adjusted the output sampling of circuit 210 in power supply, to increase control precision, show, warning circuit 216 shows by 9 pairs of entire circuit of integrated circuit (IC), report to the police.
Translation circuit 204, rectification circuit 205, inductive circuit 206 are formed rectification, freewheeling circuit by transformer T1, inductance L 1, switching tube D1, D2, integrated circuit UO, IC9, capacitor C 311, C321, resistance R 311, R321 in lithium cell charging, power-supply controller, and adjustable voltage continuously is provided on a large scale.In this circuit, D0, Q1-4, T1, D1, D2, L1, UO etc. constitute Switching Power Supply transducing basic circuit, the course of work is, UO detects current electric current by 1 pin, by 16 pin detectable voltage signals and control signals, produce pwm signal by 8, the output of 11 pin, through Q1, control the timesharing break-make of 4 high-power switch tubes after the Q2 processing and amplifying by T3, electric energy converts low pressure to through T1, D1, the D2 rectification, and in L1 formation afterflow reduction voltage circuit, guarantee that voltage can the high-speed voltage stabilization process be on a large scale: when output voltage exceeds, the 16 pin voltages of U0 are greater than reference voltage, 8 of U0, the pwm signal of 11 pin output narrows down, and the ON time of 4 high power switch Q1-4 shortens, thereby the electric energy of T1 input diminishes.The voltage step-down of output, on the contrary analogize.
Scheduling batteries circuit 208 and battery pack 209 are by relay K 1, K2 in lithium cell charging, power-supply controller ... Kn, triode Q991, Q992 ... Q99n and battery BT1, BT2 ... BTn forms, what be subjected to integrated circuit and IC9 control can realize battery series, parallel, connection in series-parallel powering mode (shown in Fig. 4,5) automatically according to load 211 needs, in embodiment as shown in Figure 2 scheduling batteries circuit K1, K2, K3, Q991, Q992, Q993 the control of IC9 make decision battery BT1, BT2, BT3 whether intervention discharges and recharges network.Output demodulation circuit Q970, L9, D97x, generation satisfactory output voltage V 1, V2 and V-under the control of IC9.Auxiliary power circuit is: V1, R995, R996, E903, R330, Z330, E330, and for control circuit provides working power.
At lithium cell charging, power-supply controller, power supply is adjusted circuit 210 and is made up of inductance L 9, diode D970, D972, capacitor C 970, C971, C972,9 utmost points of inductance L have the tap of many groups or connect switching device in the middle of taps, finish simultaneously boost, step-down or inverting function, to produce the positive and negative voltage output of multichannel.Output regulation circuit, guarantee backup battery voltage stabilizing output, Current limited Control, and carry out ac converter and control, HF switch Q977 works under the control of the make-and-break signal that center processing part IC9 sends, coil L9 produces induced potential, thereby realize output voltage lifting/lowering and reverse, center processing part IC9 decision circuitry output voltage, the adjustment switch on and off of decision corresponding line, when all adjust the switch disconnection, HF switch disconnects and quitting work, otherwise starts automatically, is depicted as six kinds of circuit-modes as Fig. 6,7,8,9,10,11.
The induction testing circuit of direct current size after current detection circuit 214 constitutes rectification by inductance L 1, resistance R 816, R817, R818, diode Z816, Z817 and electric capacity E817 in lithium cell charging, power-supply controller, during with electrode current variable quantity and Vaut variation at the beginning of L1, the variation that is directly proportional of L1 electrode current, thus make IC9 obtain the Vaut detection signal.Current detection circuit is made up of T2, R18, R16, Z16, Z17, U8 etc. in the embodiment shown in Figure 2; its course of work is: T2 and R18 become voltage signal with the size of current conversion of signals; detect honeybee value and filtering through Z16, Z17, E17; by R16, R17 dividing potential drop; produce the maximum current guard signal of U0; voltage difference on the R16 is amplified this signal through U8, R910, R912, R193 simultaneously; 2.5V it is the center with 2.5V that reference source is adjusted output U8 output by R911, R919 and C908 finish signal filtering.Current detection circuit 214 is made up of L1, R818, R816, Z816, Z817 etc., its course of work is: L1 and R818 become voltage signal with the size of current conversion of signals, detect honeybee value and filtering through Z816, Z817, E817, by R816, R817 dividing potential drop, IC9 current detection signal.Voltage detecting circuit is made of R902, R903, C910, and output voltage or cell voltage become between 0-VCC and change through R902, R903, dividing potential drop, and by C910 filtering.
IC9 obtains current/voltage numerical value by current detection circuit (T2, R18, R16, Z16, Z17, U8 etc.) and voltage detecting circuit (R902, R903, C910 etc.), send U7 oppositely to adjust behind the smothing filtering network that center processing part IC9 constitutes by R922, R906, C909, C901, C912, R905 with pwm signal, by the work of R302-306 and the compound control U0 of output voltage signal by-pass cock power supply, thereby produce required voltage, electric current output.
Output regulation circuit comprises filter circuit (L1, L2, L3, D901, E301, E302, E030) in the circuit, and ambient temperature, battery temperature sensor circuit are (NTC, R928), scheduling batteries circuit (Kn, Q99n) and output regulation circuit (Q970, L9, D97n, C97n).
Scheduling batteries circuit K1, K2, K3, Q991, Q992, Q993 the control of IC9 make decision battery BT1, BT2, BT3 whether intervention discharges and recharges network.
Output regulation circuit Q970, L9, D97x, C97x produce satisfactory output voltage V 1, V2 and V-under the control of IC9.Auxiliary power circuit is: V1, R995, R996, E903, R330, Z330, E330.For control circuit provides working power.
The software logic of integrated circuit (IC) 9 of the present utility model as shown in Figure 3, the operation of CPU among the IC9 in its program control, realizes to reach the utility model purpose.
Claims (5)
1, a kind of lithium cell charging, power-supply controller, comprise housing (1) and circuit unit (2), it is characterized in that: in the described circuit unit (2) civil power through rectification circuit (201), power for some reason compensating circuit (202) provide a direct current power supply to former pole excitation circuit (203),, behind converter (204), send through rectification circuit (205), inductive circuit (206) and filter circuit (207), arrangement again and send a telegraph pond dispatch circuit (208) by the electric energy of former pole excitation circuit (203) control after circuit (210) supply load (211) is adjusted in power supply; The control of circuit is made up of integrated circuit UO and IC9, output integrated circuit UO at former pole excitation circuit (203) reaches by the voltage detecting circuit (213) of filter circuit (207) output sampling and the control of IC9 composite signal through current detection circuit (212), former pole excitation circuit (203) is adjusted, integrated circuit (IC) 9 is picked up current signal through current detection circuit (214) by inductive circuit (206), power supply adjustment circuit (210) and UO are controlled, integrated circuit (IC) 9 is also adjusted the output sampling of circuit (210) in power supply, to increase control precision, show, warning circuit (216) shows by 9 pairs of entire circuit of integrated circuit (IC), report to the police.
2, lithium cell charging according to claim 1, power-supply controller, it is characterized in that described rectification circuit (205), inductive circuit (206) form rectification, freewheeling circuit by transformer T1, inductance L 1, switching tube D1, D2, integrated circuit UO, IC9, capacitor C 311, C321, resistance R 311, R321, adjustable voltage continuously is provided on a large scale.
3, lithium cell charging according to claim 1, power-supply controller, it is characterized in that scheduling batteries circuit (208) and battery pack (209) are by relay K 1, K2 ... Kn, triode Q991, Q992 ... " Q99n and battery BT1, BT2 ... BTn forms, what be subjected to integrated circuit and IC9 control can need to realize automatically battery series, parallel, connection in series-parallel charging, powering mode according to load (211).
4, lithium cell charging according to claim 1, power-supply controller, it is characterized in that described power supply adjusts circuit (210) and be made up of inductance L 9, diode D970, D972, capacitor C 970, C971, C972,9 utmost points of inductance L have the tap of many groups or connect switching device in the middle of taps, finish simultaneously boost, step-down or inverting function, to produce the positive and negative voltage output of multichannel.
5, lithium cell charging according to claim 1, power-supply controller, it is characterized in that described current detection circuit (214) is made of the induction testing circuit of direct current size after the rectification inductance L 1, resistance R 816, R817, R818, diode Z816, Z817 and electric capacity E817, during with electrode current variable quantity and Vaut variation at the beginning of L1, the variation that is directly proportional of L1 electrode current, thus make IC9 obtain the Vout current detection signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01204620 CN2482259Y (en) | 2001-02-28 | 2001-02-28 | Lithium battery charging and power supply controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01204620 CN2482259Y (en) | 2001-02-28 | 2001-02-28 | Lithium battery charging and power supply controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2482259Y true CN2482259Y (en) | 2002-03-13 |
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ID=33625813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01204620 Expired - Fee Related CN2482259Y (en) | 2001-02-28 | 2001-02-28 | Lithium battery charging and power supply controller |
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| Country | Link |
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| CN (1) | CN2482259Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101232110B (en) * | 2007-01-25 | 2010-05-26 | 华为技术有限公司 | Method and apparatus for charging batteries |
| CN102332733A (en) * | 2011-05-25 | 2012-01-25 | 谢怀亮 | Circuit protective apparatus |
| CN103066672A (en) * | 2012-12-24 | 2013-04-24 | 昆山九华电子设备厂 | Interference unit with charging module |
| CN106099222A (en) * | 2016-07-01 | 2016-11-09 | 合肥天馈信息技术有限公司 | A kind of communication accumulator |
-
2001
- 2001-02-28 CN CN 01204620 patent/CN2482259Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101232110B (en) * | 2007-01-25 | 2010-05-26 | 华为技术有限公司 | Method and apparatus for charging batteries |
| CN102332733A (en) * | 2011-05-25 | 2012-01-25 | 谢怀亮 | Circuit protective apparatus |
| CN103066672A (en) * | 2012-12-24 | 2013-04-24 | 昆山九华电子设备厂 | Interference unit with charging module |
| CN106099222A (en) * | 2016-07-01 | 2016-11-09 | 合肥天馈信息技术有限公司 | A kind of communication accumulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: LIU YANHE Free format text: CHANGE FOR CO-PATENTEE; FORMER NAME OR ADDRESS: LIU YANYUN |
|
| CP01 | Change in the name or title of a patent holder |
Co-patentee after: Liu Yanhe Co-patentee before: Liu Yanyun |
|
| 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 |