CN206148972U - Constant current charging circuit based on simple and easy switching voltage source - Google Patents
Constant current charging circuit based on simple and easy switching voltage source Download PDFInfo
- Publication number
- CN206148972U CN206148972U CN201620911691.5U CN201620911691U CN206148972U CN 206148972 U CN206148972 U CN 206148972U CN 201620911691 U CN201620911691 U CN 201620911691U CN 206148972 U CN206148972 U CN 206148972U
- Authority
- CN
- China
- Prior art keywords
- constant
- rechargeable battery
- voltage
- audion
- resistance
- 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
Links
- 238000010277 constant-current charging Methods 0.000 title claims abstract description 12
- 238000007600 charging Methods 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 239000000047 product Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The utility model relates to a constant current charging circuit based on simple and easy switching voltage source includes constant current source (2), switching power supply (1) at least, and switching power supply (1) converts alternating voltage to need DC voltage, and switching power supply's output voltage is controlled to the constant current source, provides the constant current charging electric current that needs, characterized by to rechargeable battery: constant current source (2) and the output of rechargeable battery (4) series connection at switching power supply, it has constant voltage circuit (3) to connect in parallel at rechargeable battery (4). The utility model discloses a circuit has stable performance, price low grade characteristics.
Description
Technical field
This utility model is related to a kind of charging circuit, is based particularly on the constant-current charging circuit of Simple switch voltage source.
Background technology
For being charged to various rechargeable batteries, strict charging modes are first constant-current charges, electric when battery is charged to
Again with the constant voltage mode higher than cell voltage to battery charging certain hour after pressure.Charger is electric necessary to be each charger
Sub- product, stable performance, a low-cost scheme can make product mouth have very big advantage.
Utility model content
The purpose of this utility model is to provide a kind of stable performance, the low-cost constant current based on Simple switch voltage source and fills
Circuit.
The purpose of this utility model is achieved in that the constant-current charging circuit based on Simple switch voltage source, at least wraps
Include constant-current source, Switching Power Supply, the DC voltage that alternating voltage is converted into needing by Switching Power Supply, constant-current source is by the defeated of Switching Power Supply
Go out voltage to be controlled, the constant-current charge electric current for needing is provided to rechargeable battery, be it is characterized in that：Constant-current source is connected with rechargeable battery
The outfan of Switching Power Supply is connected to, and constant voltage circuit is parallel with rechargeable battery.
Described constant voltage circuit includes stabilivolt DW, audion G1 and resistance R1, stabilivolt DWOutput end of pressure-stabilizing with charge
Battery positive is electrically connected, stabilivolt DWOutput end of pressure-stabilizing simultaneously by the colelctor electrode of resistance R1 to audion G1, audion G1
Emitter stage is electrically connected with rechargeable battery negative terminal；Stabilivolt DWNegative terminal electrically connect with the base stage of audion G1.
Described stabilivolt DWCharging voltage-the 0.7V of voltage stabilizing value=rechargeable battery.
During work, after rechargeable battery is charged to charging voltage nominal value, stabilivolt DWConducting turns on audion G1, permanent
Stream source forms the voltage for being close to rechargeable battery on resistance R1, maintains a little charging current of rechargeable battery by resistance R1.
Described constant voltage circuit includes resistance R2, audion G1 and resistance R1, resistance R2 one end and rechargeable battery anode electricity
Connection, colelctor electrode of the rechargeable battery anode by resistance R1 to audion G1, audion G1 emitter stages and rechargeable battery negative terminal electricity
Connection；The resistance R2 other ends are electrically connected with the base stage of audion G1.
Please supplement beneficial effect or advantage：This utility model is connected in series in switch electricity by constant-current source 2 and rechargeable battery 4
The outfan in source, is parallel with constant voltage circuit 3 in rechargeable battery 4, after rechargeable battery is charged to charging voltage nominal value, resistance R2
Turn on audion G1, constant-current source forms the voltage for being close to rechargeable battery on resistance R1, maintains rechargeable battery by resistance R1
A little charging current.Constant current source charging and constant pressure source switching are realized, with stable performance, low-cost feature.
Description of the drawings
With reference to embodiment accompanying drawing, the utility model is described in further detail：
Fig. 1 is 1 structural representation of this utility model embodiment；
Fig. 2 is 2 structural representation of this utility model embodiment.
In figure, 1, Switching Power Supply；2nd, constant-current source；3rd, constant voltage circuit；4th, rechargeable battery.
Specific embodiment
As shown in figure 1, the constant-current charging circuit based on Simple switch voltage source, at least including constant-current source 2, Switching Power Supply 1,
The output voltage of Switching Power Supply is controlled by the DC voltage that alternating voltage is converted into needing by Switching Power Supply 1, constant-current source, to
Rechargeable battery provides the constant-current charge electric current for needing, and it is characterized in that：Constant-current source 2 is connected in series in Switching Power Supply with rechargeable battery 4
Outfan, be parallel with constant voltage circuit 3 in rechargeable battery 4.
Described constant voltage circuit 3 includes stabilivolt DW, audion G1 and resistance R1, stabilivolt DWOutput end of pressure-stabilizing with fill
4 anode of battery is electrically connected, stabilivolt DWOutput end of pressure-stabilizing simultaneously by the colelctor electrode of resistance R1 to audion G1, audion
G1 emitter stages are electrically connected with 4 negative terminal of rechargeable battery；Stabilivolt DWNegative terminal electrically connect with the base stage of audion G1.
Stabilivolt DWCharging voltage-the 0.7V of voltage stabilizing value=rechargeable battery 4.
During work, after rechargeable battery 4 is charged to charging voltage nominal value, stabilivolt DWConducting turns on audion G1,
Constant-current source 2 forms the voltage for being close to rechargeable battery 4 on resistance R1, maintains a little 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, at least including constant-current source, Switching Power Supply 1,
The output voltage of Switching Power Supply is controlled by the DC voltage that alternating voltage is converted into needing by Switching Power Supply 1, constant-current source, to
Rechargeable battery provides the constant-current charge electric current for needing, and it is characterized in that：Constant-current source 2 is connected in series in Switching Power Supply with rechargeable battery 4
Outfan, be parallel with constant voltage circuit 3 in rechargeable battery 4.
Described constant voltage circuit includes resistance R2, audion G1 and resistance R1, resistance R2 one end and 4 anode of rechargeable battery electricity
Connection, colelctor electrode of 4 anode of rechargeable battery by resistance R1 to audion G1, audion G1 emitter stages and 4 negative terminal of rechargeable battery
Electrical connection；The resistance R2 other ends are electrically connected with the base stage of audion G1.
During work, after rechargeable battery 4 is charged to charging voltage nominal value, resistance R2 turns on audion G1, constant-current source 2
By resistance R1, the voltage for being close to rechargeable battery 4 is formed on resistance R1, a little charging current of rechargeable battery 4 is maintained.
Part that the present embodiment is not described in detail and structure and circuit belong to the well-known components and common structure of the industry or
Conventional means, is not described here one by one.
Claims (4)
1. the constant-current charging circuit based on Simple switch voltage source, at least including constant-current source（2）, Switching Power Supply（1）, Switching Power Supply
（1）The output voltage of Switching Power Supply is controlled by the DC voltage that alternating voltage is converted into needing, constant-current source, to the electricity that charges
Pond provides the constant-current charge electric current for needing, and it is characterized in that：Constant-current source（2）With rechargeable battery（4）It is connected in series in Switching Power Supply
Outfan, in rechargeable battery（4）It is parallel with constant voltage circuit（3）.
2. the constant-current charging circuit based on Simple switch voltage source according to claim 1, is characterized in that：Described perseverance
Volt circuit（3）Including stabilivolt DW, audion G1 and resistance R1, stabilivolt DWOutput end of pressure-stabilizing and rechargeable battery（4）Anode electricity
Connection, stabilivolt DWOutput end of pressure-stabilizing simultaneously by the colelctor electrode of resistance R1 to audion G1, audion G1 emitter stages with fill
Battery（4）Negative terminal is electrically connected；Stabilivolt DWNegative terminal electrically connect with the base stage of audion G1.
3. the constant-current charging circuit based on Simple switch voltage source according to claim 2, is characterized in that：Described is steady
Pressure pipe DWVoltage stabilizing value=rechargeable battery（4）Charging voltage -0.7V.
4. the constant-current charging circuit based on Simple switch voltage source according to claim 1, is characterized in that：Described perseverance
Volt circuit（3）Including resistance R2, audion G1 and resistance R1, resistance R2 one end and rechargeable battery（4）Anode is electrically connected, and charge electricity
Pond（4）Colelctor electrode of the anode by resistance R1 to audion G1, audion G1 emitter stages and rechargeable battery（4）Negative terminal is electrically connected；
The resistance R2 other ends are electrically connected with the base stage of audion G1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620911691.5U CN206148972U (en) | 2016-08-22 | 2016-08-22 | Constant current charging circuit based on simple and easy switching voltage source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620911691.5U CN206148972U (en) | 2016-08-22 | 2016-08-22 | Constant current charging circuit based on simple and easy switching voltage source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206148972U true CN206148972U (en) | 2017-05-03 |
Family
ID=58627370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620911691.5U Expired - Fee Related CN206148972U (en) | 2016-08-22 | 2016-08-22 | Constant current charging circuit based on simple and easy switching voltage source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206148972U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208296A (en) * | 2016-08-22 | 2016-12-07 | 刘珉恺 | Constant-current charging circuit based on Simple switch voltage source |
-
2016
- 2016-08-22 CN CN201620911691.5U patent/CN206148972U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208296A (en) * | 2016-08-22 | 2016-12-07 | 刘珉恺 | Constant-current charging circuit based on Simple switch voltage source |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106451645A (en) | Series-parallel connection converter | |
| CN103701164A (en) | Supercapacitor and conventional cell combined power supply capable of being quickly charged | |
| CN206148972U (en) | Constant current charging circuit based on simple and easy switching voltage source | |
| CN201345556Y (en) | Series connection and parallel connection conversion device for storage battery pack | |
| CN203589793U (en) | Wind-light power generating wireless charger | |
| WO2016090852A1 (en) | Terminal device battery and method for control of charge and discharge thereof | |
| CN204481518U (en) | A kind of solar powered power circuit | |
| CN206727708U (en) | Charger for electric bicycle with automatic circuit break function | |
| CN106208296B (en) | Constant-current charging circuit based on Simple switch voltage source | |
| CN204349564U (en) | Solar recharging all-in-one | |
| CN205123317U (en) | Electric vehicle charging system | |
| CN205355899U (en) | Charging circuit | |
| CN206640351U (en) | A kind of charging device to charge a battery | |
| CN104617648A (en) | Charging control circuit and charging device | |
| CN111786432A (en) | Multi-pole grouping charging module, charging system and multi-pole grouping charging system | |
| CN205123315U (en) | Charger for electric car | |
| CN204721024U (en) | A kind of DC-DC converter and comprise its portable power source | |
| CN2561154Y (en) | Lithium ion battery charger | |
| CN203896006U (en) | Charging protection control circuit for mobile power supply | |
| CN203589794U (en) | Solar power generating wireless charger | |
| CN209001619U (en) | 1.5V is the same as mouth charge-discharge circuit for a kind of heavy duty detergent lithium ion battery 3.7V conversion | |
| CN202978322U (en) | Charging control circuit for plumbic acid power battery group | |
| CN104659851B (en) | Wind-light power generation wireless charger | |
| CN201781526U (en) | Sliding chargeable mobile phone | |
| CN202949239U (en) | Solar storage-battery alternating-current three-purpose non-national-standard type handset charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 Termination date: 20180822 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |