CN2299414Y - Intelligent electronic charger - Google Patents
Intelligent electronic charger Download PDFInfo
- Publication number
- CN2299414Y CN2299414Y CN 96241896 CN96241896U CN2299414Y CN 2299414 Y CN2299414 Y CN 2299414Y CN 96241896 CN96241896 CN 96241896 CN 96241896 U CN96241896 U CN 96241896U CN 2299414 Y CN2299414 Y CN 2299414Y
- Authority
- CN
- China
- Prior art keywords
- resistance
- charger
- circuit
- output end
- controllable silicon
- 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.)
- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to an intelligent electronic charger, which is characterized in that the charger comprises a rectification circuit, a filter protection circuit, a voltage sensing circuit, a temperature sensing overvoltage/overcurrent protection circuit, etc. The charger has the advantages of lightweight, thinness, less length, small size, strong adaptability to voltage, automatic control of charging of a normal cell and a nickel-hydrogen cell with the function of environmental protection, low noise and long service life. When used for a mobile phone, the charger can directly charge the cell, can reduce workload for the phone, can prolong the service life, and the charging can be carried out during conversation.
Description
The utility model relates to a kind of charger.
Existing charger is based on transformer, and its advantage has: to the holding capacity height of spread of voltage, its characteristics have: 1, volume is big; 2, Heavy Weight; 3, cost height; 4, temperature height during load; 5, be not suitable for carrying, for example be used for mobile phone or notebook computer etc.; At above-mentioned shortcoming, the existing charger that adopts electronic component to form fully, though can overcome above-mentioned deficiency, but still exist following shortcoming: 1, no overvoltage, overcurrent protection, easily burn electronic component; 2, have voltage to detect, no temperature detector is not suitable for Ni-MH battery charging control; 3, do not have filter element, therefore, when charging, can produce noise, be not suitable for and move words use when charging.
The purpose of this utility model is to provide a kind of electronic component that adopts fully to form, and has overvoltage, filters protection, and noiselessness is applicable to the intelligent electronic charger to all kinds of battery charge.
Rectifying part of the present utility model is by current limliting battery R
1, capacitor C
1Parallel branch and full-wave rectifying circuit D
1-D
4Form; Between the output of rectification circuit, be connected to a power indicating circuit R
4, LED
1It is characterized in that: the positive output end of described rectification circuit has passed through the controllable silicon SCR of charge switch effect
1Diode D with reverse protection
5Link to each other with the dc output end of charger is anodal; The negative output terminal of described rectification circuit is an earth terminal, links to each other with the dc output end negative pole of charger; Described charge switch controllable silicon SCR
1Trigger electrode respectively by gate current-limiting resistance R
3With gate bias resistance R
2Be connected with the positive output end of above-mentioned rectification circuit; At above-mentioned gate current-limiting resistance R
3With gate bias resistance R
2Link and earth terminal between be connected to gate divider resistance R
9With the threshold switch controllable silicon SCR
2, described threshold switch controllable silicon SCR
2Trigger electrode and above-mentioned charger dc output end positive pole between be connected to respectively: resistance R
7With voltage-stabiliser tube z
1The voltage checking circuit of serial connection, the resistance R in the temperature detector circuit
3And resistance R
5The serial connection branch road; Described temperature detector circuit also comprises: triode Q
1And resistance R
6, described triode Q
1Grounded emitter, collector electrode and resistance R
3And resistance R
5Link be connected, base stage is passed through resistance R
6Be connected with the dc output end positive pole of charger, and directly be connected with the sensor ends of charger: the filtering protection of this charger comprises: the capacitor C that is connected on rectification circuit output end
2, be connected on controllable silicon SCR
2The capacitor C of trigger electrode and ground end
3And be connected on capacitor C between the positive and negative output of charger
4
The utlity model has following effect:
1, adopts whole electronic components to constitute this charger, have light, thin, short, little advantage;
2, have automatic loop protection, but overvoltage, overcurrent, excess temperature filtering protection except being applicable to the area of alternating-voltage stabilization, more are adapted to the unsettled area of alternating voltage, have also prolonged the useful life of charger:
3, have temperature and voltage detects function,, can after charging electricity, stop charging automatically, can prolong the useful life of battery the charging of environmental protection Ni-MH battery not only to general battery;
4, directly to battery charge, reduce the phone load, increase the service life, and can charge and conversation use simultaneously, overcome the shortcoming that traditional charger has noise jamming.
The drawing explanation:
Accompanying drawing is circuit theory diagrams of the present utility model.
Embodiment of the present utility model sees accompanying drawing: resistance R wherein
1, capacitor C
1Current-limiting circuit for the Control current amount: diode D
1, D
2, D
3, D
4Be rectification circuit: resistance R
4, luminous tube LED
1Be the power supply indication; Capacitor C
2, C
3, C
4Be filter capacitor: SCR
1Be charge switch; SCR
2Be threshold switch; D
5Be reverse protection; Resistance R
7, voltage-stabiliser tube Z
1Be the voltage checking circuit; Resistance R
3, triode Q
1Resistance R
5, R
6Be temperature detector; Resistance R
2Be the gate bias voltage; Resistance R
3Be the gate dividing potential drop, play the gate overvoltage protection: above-mentioned threshold switch SCR
2Conducting when rechargable battery reaches predetermined voltage or temperature, and then turn-off charge switch SCR
1, realize control charging automatically.The utility model is particularly suitable for the battery of mobile phone is charged.
Claims (1)
- A kind of intelligent electronic charger, its rectifying part is by current-limiting resistance R 1, capacitor C 1Parallel branch and full-wave rectifying circuit D 1-D 4Form; Between the output of rectification circuit, be connected to a power indicating circuit R 4, LED 1It is characterized in that: the positive output end of described rectification circuit has passed through the controllable silicon SCR of charge switch effect 1Diode D with reverse protection 5Link to each other with the dc output end of charger is anodal; The negative output terminal of described rectification circuit is an earth terminal, links to each other with the dc output end negative pole of charger; Described charge switch controllable silicon SCR 1Trigger electrode respectively by gate current-limiting resistance R 3With gate bias resistance R 2Be connected with the positive output end of above-mentioned rectification circuit; At above-mentioned gate current-limiting resistance R 3With gate bias resistance R 2Link and earth terminal between be connected to gate divider resistance R 9With the threshold switch controllable silicon SCR 2, described threshold switch controllable silicon SCR 2Trigger electrode and above-mentioned charger dc output end positive pole between be connected to respectively: resistance R 7With voltage-stabiliser tube Z 1The voltage checking circuit of serial connection, the resistance R in the temperature detector circuit 3And resistance R 5The serial connection branch road; Described temperature detector circuit also comprises: triode Q 1And resistance R 5, described triode Q 1Grounded emitter, collector electrode and resistance R 3And resistance R 5Link be connected, base stage is passed through resistance R 6Be connected with the dc output end positive pole of charger, and directly be connected with the sensor ends of charger; The filtering protection of this charger comprises: the capacitor C that is connected on rectification circuit output end 2, be connected on controllable silicon SCR 2The capacitor C of trigger electrode and ground end 3And be connected on capacitor C between the positive and negative output of charger 4
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96241896 CN2299414Y (en) | 1996-11-08 | 1996-11-08 | Intelligent electronic charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96241896 CN2299414Y (en) | 1996-11-08 | 1996-11-08 | Intelligent electronic charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2299414Y true CN2299414Y (en) | 1998-12-02 |
Family
ID=33916189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96241896 Expired - Fee Related CN2299414Y (en) | 1996-11-08 | 1996-11-08 | Intelligent electronic charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2299414Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100429854C (en) * | 2003-01-23 | 2008-10-29 | 无敌科技(西安)有限公司 | Device for protecting rechargeable batteries with memory capability and its operation method |
| CN101379569B (en) * | 2006-02-10 | 2011-03-23 | 矢崎总业株式会社 | Noise-removing wire harness |
| CN101388561B (en) * | 2007-09-13 | 2011-05-11 | 王为灿 | Charging circuit |
-
1996
- 1996-11-08 CN CN 96241896 patent/CN2299414Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100429854C (en) * | 2003-01-23 | 2008-10-29 | 无敌科技(西安)有限公司 | Device for protecting rechargeable batteries with memory capability and its operation method |
| CN101379569B (en) * | 2006-02-10 | 2011-03-23 | 矢崎总业株式会社 | Noise-removing wire harness |
| US8098115B2 (en) | 2006-02-10 | 2012-01-17 | Yazaki Corporation | Noise eliminating wire harness |
| CN101388561B (en) * | 2007-09-13 | 2011-05-11 | 王为灿 | Charging circuit |
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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 |