CN2917061Y - Easy-to-use digital charger - Google Patents
Easy-to-use digital charger Download PDFInfo
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- CN2917061Y CN2917061Y CNU2006200045287U CN200620004528U CN2917061Y CN 2917061 Y CN2917061 Y CN 2917061Y CN U2006200045287 U CNU2006200045287 U CN U2006200045287U CN 200620004528 U CN200620004528 U CN 200620004528U CN 2917061 Y CN2917061 Y CN 2917061Y
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- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model discloses a simple charger for digital products, which comprises a power source switching circuit connected with an AC power source and a charging circuit connected with the switching circuit. Wherein, the charging circuit is provided with a charging port to connect with battery. A charging control circuit is provided, which is respectively connected with the switching circuit and charging circuit. In addition, a power volume indicating circuit to indicate at least three types of battery volume is connected with the charging circuit. The utility model realizes easy battery charging volume indication by adding simple electronic elements. As the battery volume achieves less than 85 per cent of the actual volume, indicator light of the charger emits red light. As the battery volume reaches at least 85 per cent, the indicator light emits orange light. As the battery is fully charged, the indicator light will turn green or glitter. While the battery volume exceeds actual volume, the charger automatically cuts off power source and the indicator light goes out.
Description
Technical field
The utility model relates to a kind of digital battery charger, the particularly a kind of charger that can discern the rechargeable battery capacity and have the charge capacity indication.
Background technology
At present, known digital battery charger adopts the charging modes of pressure limiting constant current, and the charge capacity indication is made of indicator light, inspection leakage resistance, voltage comparator, and during the battery underfill, electric weight is designated as redness; When battery was full of, electric weight was designated as green.When cell voltage was charged to setting pressure limiting point, charging current was reduced to when setting electric current gradually, and charging indicator light directly is converted to green light by red light.But when being charged to pressure limiting point, it is very little that charging current becomes, longer when charging in this stage, and a lot of user thinks within a short period of time, and battery is filled with the 80-90% capacity and just takes off the battery use.General digital charger does not have the charge capacity indication, causes the user to wait for that the battery charge time is long, not enough in the use hommization.
The utility model content
Technical problem to be solved in the utility model provides a kind of digital easily charger that can discern the rechargeable battery capacity and have the charge capacity indication, there is not the charge capacity indication to overcome existing digital charger, cause the user to wait for that the battery charge time is long, in the use the deficiency of not enough hommization.
The utility model is achieved through the following technical solutions: design the easy charger of a kind of number, comprise the switching power circuit that is connected with AC power, the charge circuit that is connected with switching power circuit, this charge circuit has the charging port that can be connected with rechargable battery, also be provided with a charging control circuit simultaneously, this charging control circuit connects switching power circuit and charge circuit respectively, it is characterized in that: also have access to the electric weight indicating circuit that can show battery capacity state more than three kinds or three kinds in the described charge circuit.
The charge capacity indicator light that described electric weight indicating circuit contains diode, the first transistor, transistor seconds and is made of first light-emitting diode and second light-emitting diode of different colours, wherein
The anode of diode is connected with switching power circuit, and its negative electrode is connected with charging port;
The emitter of the first transistor is connected with the anode of diode, and its base stage is connected with the negative electrode of diode by first resistance, also is connected with the anode of diode by second resistance simultaneously; Its collector electrode is connected with the base stage of transistor seconds by the 3rd resistance, also is connected with the anode of first light-emitting diode by the 4th resistance simultaneously;
The collector electrode of transistor seconds is connected with the anode of second light-emitting diode, its grounded emitter;
First light-emitting diode is that common cathode is connected with second light-emitting diode, and its negative electrode is ground connection respectively.
Also be connected with the 5th resistance between the base stage of the first transistor and the emitter, also be connected with the 6th resistance between the base stage of transistor seconds and the emitter.First resistance and second resistance are current-limiting resistance, and the 3rd resistance is for isolating or current-limiting resistance, and the 4th resistance is current-limiting resistance, and the 5th resistance is the biasing resistor of the first transistor, and the 6th resistance is the biasing resistor of transistor seconds.
The first transistor is the positive-negative-positive triode, and transistor seconds is a NPN type triode.
First light-emitting diode is a red light-emitting diode, and second light-emitting diode is a green light LED.
Contain the controllable silicon that is useful on control charge circuit break-make in the described charging control circuit.
The easy charger of number of the present utility model is by increasing the simple electronic component charging capacity of pilot cell easily.When the actual capacity of battery capacity＜85%, charger indicator light burn red; When the actual capacity of battery capacity 〉=85%, the charger indicator light is sent out orange-colored light; When battery capacity reaches 100% actual capacity, charger indicator light glow green or flicker; When battery capacity surpasses actual capacity, the charger automatically cutting off power source, indicator light extinguishes.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Fig. 2 is a system block diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
See figures.1.and.2, the easy charger of number of the present utility model comprises the switching power circuit that is connected with AC power, the charge circuit that is connected with switching power circuit, this charge circuit has the charging port that can be connected with rechargable battery, also be provided with a charging control circuit simultaneously, this charging control circuit connects switching power circuit and charge circuit respectively, the main distinction of itself and prior art is, also have access to the electric weight indicating circuit that can show battery capacity state more than three kinds or three kinds in the described charge circuit, this electric weight indicating circuit contains diode D8, the first transistor Q3, transistor seconds Q4 and the charge capacity indicator light that constitutes by first LED 1 and second LED 2 of different colours, first LED 1 is a red light-emitting diode, second LED 2 is a green light LED, the first transistor Q3 is the positive-negative-positive triode, transistor seconds Q4 is a NPN type triode, wherein the anode of diode D8 is connected with switching power circuit, and its negative electrode is connected with charging port; The emitter of the first transistor Q3 is connected with the anode of diode D8, and its base stage is connected with the negative electrode of diode D8 by first resistance R 13, also is connected with the anode of diode D8 by second resistance R 30 simultaneously; Its collector electrode is connected with the base stage of transistor seconds Q4 by the 3rd resistance R 32, also is connected with the anode of first LED 1 by the 4th resistance R 11 simultaneously; The collector electrode of transistor seconds Q4 is connected with the anode of second LED 2, its grounded emitter; First LED 1 and second LED 2 are for common cathode is connected, and its negative electrode is ground connection respectively.Also be connected with the 5th resistance R 12 between the base stage of the first transistor Q3 and the emitter, also be connected with the 6th resistance R 33 between the base stage of transistor seconds Q4 and the emitter.First resistance R 13 and second resistance R 30 are current-limiting resistance, and the 3rd resistance R 32 is for isolating or current-limiting resistance, and the 4th resistance R 11 is a current-limiting resistance, and the 5th resistance R 12 is the biasing resistor of the first transistor Q3, and the 6th resistance R 33 is the biasing resistor of transistor seconds Q4.Contain the controllable silicon IC2 that is useful on control charge circuit break-make in the described charging control circuit.
Operation principle of the present utility model is as follows: when just charging, electric current can be very big (power supply is certain, resistance is certain, according to I=U/R as can be known), at this moment diode D8 equivalence is a resistance, transistor Q3 is the PNP triode, resistance R 13, R38 is a current-limiting resistance, R12 is the biasing resistor of triode Q3, when diode D8 conducting (battery underfill), electric current is big in the pressure drop at diode D8 two ends, is (Ve＞Vb＞Vc) according to the characteristic of PNP pipe, triode Q3 conducting, Q4 ends, and the collector electrode of Q3 is connected with the light-emitting diode that glows by resistance R 11, and the red light of indicator light is lighted.When battery is full of soon (battery capacity reach about 85% time), enter the pressure limiting charging stage, the pressure drop that electric current is reduced in the D8 two ends reduces, triode Q3 keeps conducting, its collector electrode is connected with the base stage of triode Q4 by resistance R 32, and the current potential of the base stage of triode Q4 increases, triode Q4 conducting simultaneously, the red and green luminous diode of bi-colour LED is lighted simultaneously, and the electric weight indicator light is orange (red green secondary colour); When battery is full of (when battery capacity reaches 100%), increase along with cell voltage, current in loop reduces, pressure drop at diode D8 two ends further reduces, according to U=IR, when not reaching the conducting voltage of diode D8, the emission of triode Q3 is electronegative potential very, triode Q3 ends, power supply is by resistance R 13, triode Q3 (this moment, base stage and collector electrode equivalence were resistance), R32 (collector electrode of triode Q3 is connected with the base stage of triode Q4 by R32), triode Q4 is a NPN type triode, when the base potential rising, triode Q4 conducting, the red light emitting diodes of bi-colour LED extinguishes, green LED is lighted, and it is green that the electric weight indicator light is; When battery capacity surpassed actual capacity, by the controllable silicon IC2 automatically cutting off power source in the charging control circuit, the electric weight indicator light extinguished, and reaches the self-indicating purpose of battery charge capacity.
Claims (7)
1. easy charger of number, comprise the switching power circuit that is connected with AC power, the charge circuit that is connected with switching power circuit, this charge circuit has the charging port that can be connected with rechargable battery, also be provided with a charging control circuit simultaneously, this charging control circuit connects switching power circuit and charge circuit respectively, it is characterized in that: also have access to the electric weight indicating circuit that can show battery capacity state more than three kinds or three kinds in the described charge circuit.
2. the easy charger of number according to claim 1, it is characterized in that, the charge capacity indicator light that described electric weight indicating circuit contains diode (D8), the first transistor (Q3), transistor seconds (Q4) and is made of first light-emitting diode (LED1) and second light-emitting diode (LED2) of different colours, wherein
The anode of diode (D8) is connected with switching power circuit, and its negative electrode is connected with charging port;
The emitter of the first transistor (Q3) is connected with the anode of diode (D8), and its base stage is connected with the negative electrode of diode (D8) by first resistance (R13), also is connected with the anode of diode (D8) by second resistance (R30) simultaneously; Its collector electrode is connected with the base stage of transistor seconds (Q4) by the 3rd resistance (R32), also is connected with the anode of first light-emitting diode (LED1) by the 4th resistance (R11) simultaneously;
The collector electrode of transistor seconds (Q4) is connected its grounded emitter with the anode of second light-emitting diode (LED2);
First light-emitting diode (LED1) and second light-emitting diode (LED2) are for common cathode is connected, and its negative electrode is ground connection respectively.
3. the easy charger of number according to claim 2, it is characterized in that, also be connected with the 5th resistance (R12) between the base stage of the first transistor (Q3) and the emitter, also be connected with the 6th resistance (R33) between the base stage of transistor seconds (Q4) and the emitter.
4. the easy charger of number according to claim 3, it is characterized in that, first resistance (R13) and second resistance (R30) are current-limiting resistance, the 3rd resistance (R32) is for isolating or current-limiting resistance, the 4th resistance (R11) is current-limiting resistance, the 5th resistance (R12) is the biasing resistor of the first transistor (Q3), and the 6th resistance (R33) is the biasing resistor of transistor seconds (Q4).
5. the easy charger of number according to claim 2 is characterized in that the first transistor (Q3) is the positive-negative-positive triode, and transistor seconds (Q4) is a NPN type triode.
6. the easy charger of number according to claim 2 is characterized in that first light-emitting diode (LED1) is a red light-emitting diode, and second light-emitting diode (LED2) is a green light LED.
7. according to the easy charger of the arbitrary described number of claim 1 to 5, it is characterized in that, contain the controllable silicon that is useful on control charge circuit break-make in the described charging control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200045287U CN2917061Y (en) | 2006-03-06 | 2006-03-06 | Easy-to-use digital charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200045287U CN2917061Y (en) | 2006-03-06 | 2006-03-06 | Easy-to-use digital charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2917061Y true CN2917061Y (en) | 2007-06-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200045287U Expired - Fee Related CN2917061Y (en) | 2006-03-06 | 2006-03-06 | Easy-to-use digital charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2917061Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976538A (en) * | 2010-02-26 | 2011-02-16 | 高鹏 | Display device of solar power supply panel |
| CN102159010A (en) * | 2011-03-28 | 2011-08-17 | 上海华为技术有限公司 | Device and method for controlling indicator lights |
| CN102316635A (en) * | 2011-06-29 | 2012-01-11 | 冠捷显示科技（厦门）有限公司 | Method and system for displaying various operating states by bicolor indicating lamp |
-
2006
- 2006-03-06 CN CNU2006200045287U patent/CN2917061Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976538A (en) * | 2010-02-26 | 2011-02-16 | 高鹏 | Display device of solar power supply panel |
| CN102159010A (en) * | 2011-03-28 | 2011-08-17 | 上海华为技术有限公司 | Device and method for controlling indicator lights |
| CN102316635A (en) * | 2011-06-29 | 2012-01-11 | 冠捷显示科技（厦门）有限公司 | Method and system for displaying various operating states by bicolor indicating lamp |
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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: SHENZHEN LVSUN ELECTRONIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XU JIANHUA Effective date: 20100601 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 510000 304, BLOCK C, LVYEJU, BINJIANGLVYUAN, CHAOYANG EAST ROAD, DASHI TOWN, FANYU DISTRICT, GUANGZHOU CITY, GUANGDONG PROVINCE TO: 523400 NO.2 FACTORY SUITE(BUILDING C), SHIGUAN INDUSTRY DISTRICT, LONGHUA COMMUNITY, DALANG STREET OFFICE, BAOAN DISTRICT, SHENZHEN CITY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100601 Address after: 523400, Shenzhen, Baoan District big wave street Longhua community stone industry zone 2 (C) plant Patentee after: Shenzhen City Lvsun Electronic Technology Co., Ltd. Address before: 510000 Guangdong Province, Guangzhou City Chaoyang Road Panyu District Dashi Binjiang Luyuan green home C block 304 Patentee before: Xu Jianhua |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070627 Termination date: 20140306 |