CN106208296B - Constant-current charging circuit based on Simple switch voltage source - Google Patents
Constant-current charging circuit based on Simple switch voltage source Download PDFInfo
- Publication number
- CN106208296B CN106208296B CN201610696815.7A CN201610696815A CN106208296B CN 106208296 B CN106208296 B CN 106208296B CN 201610696815 A CN201610696815 A CN 201610696815A CN 106208296 B CN106208296 B CN 106208296B
- Authority
- CN
- China
- Prior art keywords
- voltage
- constant
- rechargeable battery
- resistance
- triode
- 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.)
- Active
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to the constant-current charging circuits based on Simple switch voltage source, include at least constant-current source（2）, Switching Power Supply（1）, Switching Power Supply（1）The DC voltage that alternating voltage is converted into needing, constant-current source control the output voltage of Switching Power Supply, and the constant-current charge electric current needed is provided to rechargeable battery, it is characterized in that：Constant-current source（2）With rechargeable battery（4）It is connected in series in the output end of Switching Power Supply, in rechargeable battery（4）It is parallel with constant voltage circuit（3）.The circuit of the present invention has the characteristics that performance is stable, price is low.
Description
Technical field
The present invention relates to a kind of charging circuits, are based particularly on the constant-current charging circuit of Simple switch voltage source.
Background technology
For charging to various rechargeable batteries, stringent charging modes are first constant-current charges, electric when being charged to battery
It is charged certain time to battery with the constant voltage mode higher than cell voltage again after pressure.Charger is electric necessary to each charging equipment
Sub- product, a performance stabilization, low-cost scheme can make production mouth have very big advantage.
Invention content
The object of the present invention is to provide a kind of performances, and stable, the low-cost constant-current charge based on Simple switch voltage source is electric
Road.
The object of the present invention is achieved like this, based on the constant-current charging circuit of Simple switch voltage source, includes at least perseverance
Stream source, Switching Power Supply, the DC voltage that alternating voltage is converted into needing by Switching Power Supply, constant-current source are electric by the output of Switching Power Supply
Pressure is controlled, and the constant-current charge electric current needed is provided to rechargeable battery, it is characterized in that：Constant-current source is connected in series with rechargeable battery
In the output end of Switching Power Supply, constant voltage circuit is parallel in rechargeable battery.
The constant voltage circuit includes voltage-stabiliser tube DW, triode G1 and resistance R1, voltage-stabiliser tube DWOutput end of pressure-stabilizing and charging
Battery positive is electrically connected, voltage-stabiliser tube DWOutput end of pressure-stabilizing simultaneously pass through resistance R1 to the collector of triode G1, triode G1
Emitter is electrically connected with rechargeable battery negative terminal；Voltage-stabiliser tube DWNegative terminal be electrically connected with the base stage of triode G1.
The voltage-stabiliser tube DWCharging voltage-the 0.7V of voltage stabilizing value=rechargeable battery.
When work, after rechargeable battery is charged to charging voltage nominal value, voltage-stabiliser tube DWConducting makes triode G1 be connected, permanent
Stream source forms the voltage close to rechargeable battery on resistance R1, maintains a small charging current of rechargeable battery by resistance R1.
The constant voltage circuit includes resistance R2, triode G1 and resistance R1, and the one end resistance R2 is electric with rechargeable battery anode
Connection, rechargeable battery anode pass through resistance R1 to the collector of triode G1, triode G1 emitters and rechargeable battery negative terminal electricity
Connection；The resistance R2 other ends are electrically connected with the base stage of triode G1.
It please supplement advantageous effect or advantage：The present invention is connected in series in Switching Power Supply by constant-current source 2 and rechargeable battery 4
Output end is parallel with constant voltage circuit 3 in rechargeable battery 4, and after rechargeable battery is charged to charging voltage nominal value, resistance R2 makes three
Pole pipe G1 conductings, constant-current source form the voltage close to rechargeable battery on resistance R1, maintain the one of rechargeable battery by resistance R1
A small charging current.It realizes constant current source charging and constant pressure source switching, has the characteristics that performance is stable, low-cost.
Description of the drawings
With reference to embodiment attached drawing, the invention will be further described：
Fig. 1 is 1 structural schematic diagram of the embodiment of the present invention；
Fig. 2 is 2 structural schematic diagram of the embodiment of the present invention.
In figure, 1, Switching Power Supply；2, constant-current source；3, constant voltage circuit；4, rechargeable battery.
Specific implementation mode
As shown in Figure 1, the constant-current charging circuit based on Simple switch voltage source, includes at least constant-current source 2, Switching Power Supply 1,
The DC voltage that alternating voltage is converted into needing by Switching Power Supply 1, constant-current source control the output voltage of Switching Power Supply, to
Rechargeable battery provides the constant-current charge electric current needed, it is characterized in that：Constant-current source 2 is connected in series in Switching Power Supply with rechargeable battery 4
Output end, be parallel with constant voltage circuit 3 in rechargeable battery 4.
The constant voltage circuit 3 includes voltage-stabiliser tube DW, triode G1 and resistance R1, voltage-stabiliser tube DWOutput end of pressure-stabilizing with fill
4 anode of battery is electrically connected, voltage-stabiliser tube DWOutput end of pressure-stabilizing simultaneously pass through resistance R1 to the collector of triode G1, triode
G1 emitters are electrically connected with 4 negative terminal of rechargeable battery；Voltage-stabiliser tube DWNegative terminal be electrically connected with the base stage of triode G1.
Voltage-stabiliser tube DWCharging voltage-the 0.7V of voltage stabilizing value=rechargeable battery 4.
When work, after rechargeable battery 4 is charged to charging voltage nominal value, voltage-stabiliser tube DWConducting makes triode G1 be connected,
Constant-current source 2 forms the voltage close to rechargeable battery 4 on resistance R1, maintains a small charging of rechargeable battery 4 by resistance R1
Electric current.
Embodiment 2
As shown in Fig. 2, the constant-current charging circuit based on Simple switch voltage source, includes at least constant-current source, Switching Power Supply 1,
The DC voltage that alternating voltage is converted into needing by Switching Power Supply 1, constant-current source control the output voltage of Switching Power Supply, to
Rechargeable battery provides the constant-current charge electric current needed, it is characterized in that：Constant-current source 2 is connected in series in Switching Power Supply with rechargeable battery 4
Output end, be parallel with constant voltage circuit 3 in rechargeable battery 4.
The constant voltage circuit includes resistance R2, triode G1 and resistance R1, and the one end resistance R2 is electric with 4 anode of rechargeable battery
Connection, 4 anode of rechargeable battery pass through resistance R1 to the collector of triode G1, triode G1 emitters and 4 negative terminal of rechargeable battery
Electrical connection；The resistance R2 other ends are electrically connected with the base stage of triode G1.
When work, after rechargeable battery 4 is charged to charging voltage nominal value, resistance R2 makes triode G1 be connected, constant-current source 2
By resistance R1, the voltage close to rechargeable battery 4 is formed on resistance R1, maintains a small charging current of rechargeable battery 4.
The well-known components and common structure of the component and structure and the circuit category industry that the present embodiment does not describe in detail or
Conventional means does not describe one by one here.
Claims (2)
1. based on the constant-current charging circuit of Simple switch voltage source, constant-current source is included at least（2）, Switching Power Supply（1）, Switching Power Supply
（1）The DC voltage that alternating voltage is converted into needing, constant-current source control the output voltage of Switching Power Supply, to charging electricity
Pond provides the constant-current charge electric current needed, it is characterized in that：Constant-current source（2）With rechargeable battery（4）It is connected in series in Switching Power Supply
Output end, in rechargeable battery（4）It is parallel with constant voltage circuit（3）；
The constant voltage circuit（3）Including voltage-stabiliser tube DW, triode G1 and resistance R1, the output end of pressure-stabilizing of voltage-stabiliser tube DW and charging
Battery（4）Anode is electrically connected, and the output end of pressure-stabilizing of voltage-stabiliser tube DW passes through resistance R1 to the collector of triode G1, triode simultaneously
G1 emitters and rechargeable battery（4）Negative terminal is electrically connected；The negative terminal of voltage-stabiliser tube DW is electrically connected with the base stage of triode G1；When work,
Work as rechargeable battery（4）After being charged to charging voltage nominal value, voltage-stabiliser tube DW conductings make triode G1 be connected, constant-current source（2）Pass through
Resistance R1 is formed on resistance R1 close to rechargeable battery（4）Voltage, maintain rechargeable battery（4）A small charging current；
Or：The constant voltage circuit（3）Including resistance R2, triode G1 and resistance R1, the one end resistance R2 and rechargeable battery（4）
Anode is electrically connected, rechargeable battery（4）Anode passes through resistance R1 to the collector of triode G1, triode G1 emitters and charging electricity
Pond（4）Negative terminal is electrically connected；The resistance R2 other ends are electrically connected with the base stage of triode G1；When work, work as rechargeable battery（4）It is charged to
After charging voltage nominal value, resistance R2 makes triode G1 be connected, constant-current source（2）By resistance R1, formed on resistance R1 close
Rechargeable battery（4）Voltage, maintain rechargeable battery（4）A small charging current.
2. the constant-current charging circuit according to claim 1 based on Simple switch voltage source, it is characterized in that：Described is steady
Pressure pipe DW voltage stabilizings value=rechargeable battery（4）- 0 .7V of charging voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610696815.7A CN106208296B (en) | 2016-08-22 | 2016-08-22 | Constant-current charging circuit based on Simple switch voltage source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610696815.7A CN106208296B (en) | 2016-08-22 | 2016-08-22 | Constant-current charging circuit based on Simple switch voltage source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106208296A CN106208296A (en) | 2016-12-07 |
| CN106208296B true CN106208296B (en) | 2018-11-13 |
Family
ID=57522296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610696815.7A Active CN106208296B (en) | 2016-08-22 | 2016-08-22 | Constant-current charging circuit based on Simple switch voltage source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106208296B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2323495Y (en) * | 1997-06-24 | 1999-06-09 | 封昌秀 | Auto-controlled charging arrangement |
| CN2381056Y (en) * | 1999-07-08 | 2000-05-31 | 卢雷 | Charging device for cell to be charged |
| CN2395394Y (en) * | 1999-10-11 | 2000-09-06 | 广州擎天实业有限公司电工分公司 | Charging and discharging device for lithium ion cell volume detector |
| CN201319688Y (en) * | 2008-12-10 | 2009-09-30 | 广州南科集成电子有限公司 | Constant current and voltage circuit |
| CN206148972U (en) * | 2016-08-22 | 2017-05-03 | 西安铁路职业技术学院 | Constant current charging circuit based on simple and easy switching voltage source |
-
2016
- 2016-08-22 CN CN201610696815.7A patent/CN106208296B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106208296A (en) | 2016-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101814756A (en) | Constant-current and constant-voltage control circuit, charging circuit and charger | |
| JP6870147B2 (en) | Charging lighting circuit | |
| CN102332735A (en) | Program controlled charging circuit for nickel-hydrogen battery | |
| CN203589793U (en) | Wind-light power generating wireless charger | |
| CN102545280A (en) | Charging circuit | |
| CN106208296B (en) | Constant-current charging circuit based on Simple switch voltage source | |
| CN206148972U (en) | Constant current charging circuit based on simple and easy switching voltage source | |
| CN104617648A (en) | Charging control circuit and charging device | |
| CN206697920U (en) | A kind of anti-overcharge protection circuit of battery charger | |
| CN202997654U (en) | Constant-voltage constant-current charging circuit | |
| CN204721024U (en) | A kind of DC-DC converter and comprise its portable power source | |
| CN203589794U (en) | Solar power generating wireless charger | |
| CN202997922U (en) | Auxiliary power supply used for switch power supply starting | |
| CN204652210U (en) | A kind of inverter generator controllable silicon drives bootstrapping power supply circuits | |
| CN203589822U (en) | Wind power generation wireless charger | |
| CN204354688U (en) | Self power generation erasing rubber | |
| CN203251133U (en) | UPS power frequency heavy current charging circuit | |
| CN207612095U (en) | A kind of battery set charge/discharge circuit and battery pack | |
| CN202634019U (en) | Mine storage battery charge-discharge monitoring system | |
| CN207835108U (en) | Based on control cathode charging current limiter circuit | |
| CN201928247U (en) | Triangular wave signal generator | |
| CN101425697B (en) | Charging circuit | |
| CN206077011U (en) | A kind of DC inserts charging automatic switchover charging modes circuit | |
| CN206293931U (en) | A kind of battery charger for mobile phone circuit | |
| CN203193354U (en) | Constant current charging circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |