CN2773973Y - Chargeable accumulating device - Google Patents
Chargeable accumulating device Download PDFInfo
- Publication number
- CN2773973Y CN2773973Y CN 200520005075 CN200520005075U CN2773973Y CN 2773973 Y CN2773973 Y CN 2773973Y CN 200520005075 CN200520005075 CN 200520005075 CN 200520005075 U CN200520005075 U CN 200520005075U CN 2773973 Y CN2773973 Y CN 2773973Y
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- Prior art keywords
- circuit
- voltage comparator
- output
- control
- frequency harmonic
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- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a portable chargeable accumulating device which comprises a rectifying filter circuit, a power management modular circuit, a chargeable battery and a battery protection circuit, wherein both terminals of the chargeable battery are connected with a chargeable indicating circuit, the control terminal of the power management modular circuit is connected with a photoelectric conversion circuit, the input terminal of the photoelectric conversion circuit is connected with a double-triggering tube, both input control terminals of the double-triggering tube are respectively connected with the output terminals of an overcharge control voltage comparator and a high frequency harmonic detection voltage comparator, the input terminal of the overcharge control voltage comparator obtains the control signal of finishing the charge and the input terminal of the high frequency harmonic detection voltage comparator obtains the signal of the high frequency harmonic. The utility model has the advantages of over-voltage protection, high frequency harmonic prevention function, simple circuit structure, reliable performance and low manufacture cost.
Description
Technical field
The utility model relates to a kind of Portable DC supply unit.
Background technology
Traditional chargeable source apparatus comprises rechargeable battery and charger two parts.Wherein the performance of charger is directly connected to the useful life of power supply, the application prospect in its market of cost determination of charger.As everyone knows, the protective circuit in the charger is to influence the rechargeable battery key device in useful life.In order to prolong the useful life of rechargeable battery, the protective circuit of designing a reliable working performance, the simple charger of circuit structure just seems particularly important.
Summary of the invention
The purpose of this utility model provides a kind of carrying and fills electric storage means, promotes charger protective circuit quality and performance to solve, and simplifies circuit structure simultaneously, reduces the technical problem of manufacturing cost.
Portable described in the utility model fills electric storage means and realizes that the technical scheme of above-mentioned purpose is as follows: it comprises AC power interface, current rectifying and wave filtering circuit, power management module circuit, rechargable battery, battery protecting circuit, output voltage stabilizing circuit and DC power supply output interface; Rectification filter circuit output end wherein is connected with the end with first primary coil of the utmost point and a secondary current transformer at the beginning of two, and the other end of this first primary coil is by power management module ground connection; The inferior utmost point of described current transformer connects the two ends of rechargeable battery and battery protecting circuit by voltage-stabiliser tube and filter circuit; Be connected to a charging indication at the rechargeable battery two ends, this charging indication is made up of with the charging instructed voltage comparator that each divider resistance one end is connected respectively the divider resistance of one group of series connection, input of described charging instructed voltage comparator is connected with above-mentioned divider resistance one end, reference voltage terminal of another input termination, its output is connected to the indication light-emitting diode respectively; The output of a photoelectric switching circuit of control termination of described power management module, two inputs of this photoelectric switching circuit connect the anode of current transformer by resistance, wherein the negative input end of photoelectric switching circuit connects the control end of two trigger tubes, and two input control ends of this pair trigger tube are taken over the output that fills control voltage comparator and high-frequency harmonic detection voltage comparator respectively; A described input reference voltage terminal that overcharges the control voltage comparator, the voltage comparator output that is full of indication in another input termination charging indication, to obtain the control signal of finishing charging: described high-frequency harmonic detects an input termination reference voltage terminal of voltage comparator, the filter circuit negative pole that another input termination current transformer output connects is to obtain the signal of high-frequency harmonic.
Aforesaid portable fills electric storage means, wherein second primary coil in the current transformer and end of the same name first primary coil, and the branch road by a resistance, diode series connection connects the positive output end of photoelectric switching circuit, more also by a capacity earth; The direct ground connection of the other end of this second primary coil.
The utlity model has that the safeguard function of overvoltage protection, high-frequency harmonic and circuit structure are simple, dependable performance and cost of manufacture be low.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
Concrete structure of the present utility model can be referring to Fig. 1: J wherein
1Be the AC power input interface, it is connected with a bridge rectifier BR
1, at bridge rectifier BR
1Output is connected to filter circuit L
1, EC
2, EC
3, this filter circuit and current transformer T
1An end of first primary coil be connected, this just is connected to a protective circuit C between polar curve circle two ends
1, R
3, D
2Have one to produce pulse and provide the power management module of charging control to be connected between this primary coil other end and the ground, this power management module can adopt VIPer12A pattern piece.Current transformer T
1Second just an end of polar curve circle pass through resistance R
4, diode D
3Connect 4 pin of power management module, and by electric capacity EC
1Ground connection, its other end ground connection.The described second first polar curve encloses voltage stabilizing and anti-reverse effect.Described electricity becomes instrument transformer T
1Output, by voltage stabilizing didoe D
1, a filter circuit L
2, EC
4, EC
5Be connected with rechargeable battery set.The rechargeable battery set two ends are connected with battery protecting circuit V
4, Q, this circuit is traditional technology.The rechargeable battery set output is by a Voltage stabilizing module V
6Circuit meets dc output end socket JK
1At the rechargeable battery set two ends and be connected to the divider resistance R of three series connection
20, R
23, R
26, have the input of three charging instructed voltage comparator V5A, V5B, V5C to meet above-mentioned divider resistance R respectively
20, R
23, R
26Lower end, another input connect reference voltage (2.5V) respectively, and the output of described voltage comparator V5A, V5B, V5C is connected to light emitting diode lamp respectively.
3,4 and photoelectric switching circuit IC of the control end of power management module
1Output be connected this photoelectric switching circuit IC
1Input pass through resistance R respectively
10, R
9Meet voltage-stabiliser tube D
1Negative terminal.Overcharge output that control voltage comparator V3A, high-frequency harmonic detect voltage comparator V3B respectively with a two trigger tube D
5Two controls be connected this pair trigger tube D
5The negative input end of output termination photoelectric switching circuit.The described control voltage comparator V that overcharges
3AAn input termination reference voltage terminal (VCC 4V), the output that is full of voltage indication comparator V5C of another termination charging indication.High-frequency harmonic detects the input termination benchmark electricity of voltage comparator V3B and holds the negative terminal of the filter circuit of another input termination current transformer output mutually.
When being full of voltage or high-frequency harmonic occurring, comparator V3A, V3B export negative voltage, make two trigger tube D
5Conducting, photoelectric switching circuit makes it stop charging to control signal of control end 3,4 outputs of power management module, reaches the protective effect to battery.
Claims (2)
1, a kind of portable fills electric storage means, and it comprises AC power interface, current rectifying and wave filtering circuit, power management module circuit, rechargable battery, battery protecting circuit, output voltage stabilizing circuit and DC power supply output interface; It is characterized in that: rectification filter circuit output end wherein is connected with the end with first primary coil of the utmost point and a secondary current transformer at the beginning of two, and the other end of this first primary coil is by power management module ground connection; The inferior utmost point of described current transformer connects the two ends of rechargeable battery and battery protecting circuit by voltage-stabiliser tube and filter circuit; Be connected to a charging indication at the rechargeable battery two ends, this charging indication is made up of with the charging instructed voltage comparator that each divider resistance one end is connected respectively the divider resistance of one group of series connection, input of described charging instructed voltage comparator is connected with above-mentioned divider resistance one end, reference voltage terminal of another input termination, its output is connected to the indication light-emitting diode respectively; The output of a photoelectric switching circuit of control termination of described power management module, two inputs of this photoelectric switching circuit connect the anode of current transformer by resistance, wherein the negative input end of photoelectric switching circuit connects the control end of two trigger tubes, and two input control ends of this pair trigger tube are taken over the output that fills control voltage comparator and high-frequency harmonic detection voltage comparator respectively; A described input reference voltage terminal that overcharges the control voltage comparator, the voltage comparator output that is full of indication in another input termination charging indication is to obtain the control signal of finishing charging; Described high-frequency harmonic detects an input termination reference voltage terminal of voltage comparator, and the filter circuit negative pole that another input termination current transformer output connects is to obtain the signal of high-frequency harmonic.
2, portable as claimed in claim 1 fills electric storage means, it is characterized in that: wherein second primary coil in the current transformer and end of the same name first primary coil, branch road by a resistance, diode series connection connects the positive output end of photoelectric switching circuit, more also by a capacity earth; The direct ground connection of the other end of this second primary coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520005075 CN2773973Y (en) | 2005-03-02 | 2005-03-02 | Chargeable accumulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520005075 CN2773973Y (en) | 2005-03-02 | 2005-03-02 | Chargeable accumulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2773973Y true CN2773973Y (en) | 2006-04-19 |
Family
ID=36709234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520005075 Expired - Fee Related CN2773973Y (en) | 2005-03-02 | 2005-03-02 | Chargeable accumulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2773973Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103080759A (en) * | 2010-09-10 | 2013-05-01 | 三菱电机株式会社 | Overvoltage detecting device for energy storage module |
-
2005
- 2005-03-02 CN CN 200520005075 patent/CN2773973Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103080759A (en) * | 2010-09-10 | 2013-05-01 | 三菱电机株式会社 | Overvoltage detecting device for energy storage module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ANHUI ZHAOLI PHOTOELECTRIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HUANG HUJUN Effective date: 20100305 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 523910 LIN LIANXIN TRANSFERS TO HUANG JUNHU, FACTORY B2, DAHAN PLASTICS FACTORY, NANMIAN MANAGEMENT DISTRICT, DONGGUAN CITY, GUANGDONG PROVINCE TO: 247210 NO.1, XINGFU ROAD, DADUKOU ECONOMIC DEVELOPMENT ZONE, DADUKOU TOWN, DONGZHI COUNTY, CHIZHOU CITY, ANHUI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100305 Address after: Dadukou Economic Development Zone Anhui city Chizhou province happiness Road 247210 East County Dadukou town No. 1 Patentee after: Anhui Zhaoli Opto-Electronics Technology Co.,Ltd. Address before: 523910 Guangdong province Dongguan City DAHAO management area south of plastic factory B2 factory Lin Lianxin turn yellow Hujun collection Patentee before: Huang Hujun |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060419 Termination date: 20130302 |