CN206195435U - Battery charge protection circuit - Google Patents
Battery charge protection circuit Download PDFInfo
- Publication number
- CN206195435U CN206195435U CN201621297240.3U CN201621297240U CN206195435U CN 206195435 U CN206195435 U CN 206195435U CN 201621297240 U CN201621297240 U CN 201621297240U CN 206195435 U CN206195435 U CN 206195435U
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a battery charge protection circuit, including emi circuit, emi circuit and rectification filter circuit, the power conversion circuit, rectifier circuit and output connect gradually, rectification filter circuit still with PFC circuit connection, the output still is connected with output voltage detecting circuit and output current detecting circuit respectively, output voltage detecting circuit still is connected with electrical appliance industry way and electric current loop respectively, output current detecting circuit also is connected with the electric current loop, electrical appliance industry way and electric current loop still all are connected with ring temperature detection circuitry and controller respectively, the controller still with power conversion circuit connection, this battery charge protection circuit adjusts output current, a power conversion circuit, the realization constant voltage source fills. When the ring temperature of battery / charger is less than the uniform temperature, the charger electric current also can oneself be reduced to a definite value, this battery charge protection circuit can fill the magnitude of voltage in automatic reduction source, and the protection battery prevents to fill overtension, protection battery extension battery life.
Description
Technical field
The utility model is related to a kind of charge protector of battery, belongs to electric and electronic technical field.
Background technology
Current consumer electronics product quickly grows, and rechargeable battery obtains more and more widely using.Rechargeable battery has
Economic, environmental protection, electricity foot, be adapted to it is high-power, the advantages of use for a long time, be well received by consumers.Such consumer electronics
Product is due to the carelessness in structure, on the one hand, the negative pressure formed after battery is reversed is easy to puncture power supply chip, and causing can not
The damage of recovery, existing solution is the increase counnter attack diode between rechargeable battery and power supply chip, but due to diode
Pressure drop is excessive, considerably increases the power consumption of system；On the other hand, battery over-discharge can in itself cause expendable damage to battery
Evil, has had a strong impact on the service life of battery.
Utility model content
The technical problems to be solved in the utility model is：To overcome above mentioned problem, there is provided one kind protection more fully battery
Charge protector.
The utility model solves the technical scheme that its technical problem used：
A kind of charge protector of battery, including the EMI circuits being connected with input line, the EMI circuits and rectifying and wave-filtering
Circuit, power conversion circuit, rectification circuit and output end are sequentially connected, and the current rectifying and wave filtering circuit is also connected with pfc circuit, institute
State output end to be also connected with output voltage detecting circuit and output current detection circuit respectively, the output voltage detecting circuit is also
It is connected with voltage loop and current loop respectively, the output current detection circuit is also connected with the current loop, the electricity
Pressure ring road and current loop also respectively be all connected with ring temperature detector slowdown monitoring circuit and controller, the controller also with power conversion circuit
Connection.
Preferably, the controller is PLC.
The beneficial effects of the utility model are：The utility model charge protector of battery adjusts output current, realizes pre-
Charge, when cell voltage rises to certain value, output current just reaches rated value and charges normal, when cell voltage reaches voltage
During the value of loop settings, realize that constant pressure source fills.
When the ring temperature of battery/charger is less than uniform temperature, temperature value is sent to controller by ring temperature detector slowdown monitoring circuit, control
Device processed adjusts the power of power conversion circuit as needed, allows charger current oneself can also be reduced to certain value, extends battery
In the life-span, when the ring temperature of battery charger is higher than uniform temperature, this charge protector of battery can automatically reduce source charging voltage value,
Protection battery prevents charging voltage too high, protection battery extension battery life.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the circuit block diagram of the utility model one embodiment.
Specific embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Basic structure of the present utility model is only illustrated in a schematic way, therefore it only shows the composition relevant with the utility model.
Embodiment 1
Described in the utility model a kind of charge protector of battery as shown in Figure 1, including the EMI electricity being connected with input line
Road, the EMI circuits are sequentially connected with current rectifying and wave filtering circuit, power conversion circuit, rectification circuit and output end, the rectification filter
Wave circuit is also connected with pfc circuit, and the output end also connects with output voltage detecting circuit and output current detection circuit respectively
Connect, the output voltage detecting circuit is also connected with voltage loop and current loop respectively, the output current detection circuit
It is connected with the current loop, the voltage loop and current loop are also all connected with ring temperature detector slowdown monitoring circuit and controller respectively,
The controller is also connected with power conversion circuit.
The utility model is when cell voltage is less than certain value（Can be defined by battery core voltage）.This cell charge protection electricity
Road adjusts output current, realizes precharge, and when cell voltage rises to certain value, output current just reaches rated value and normally fills
Electricity, when cell voltage reaches the value of voltage loop setting, realizes that constant pressure source fills.
When the ring temperature of battery/charger is less than uniform temperature, temperature value is sent to controller by ring temperature detector slowdown monitoring circuit, control
Device processed adjusts the power of power conversion circuit as needed, allows charger current oneself can also be reduced to certain value, extends battery
In the life-span, when the ring temperature of battery charger is higher than uniform temperature, this charge protector of battery can automatically reduce source charging voltage value,
Protection battery prevents charging voltage too high, protection battery extension battery life.
Preferably, the controller is PLC.
With above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this utility model technological thought completely.This reality
The content on specification is not limited to new technical scope, it is necessary to its technology is determined according to right
Property scope.
Claims (2)
1. a kind of charge protector of battery, it is characterised in that including the EMI circuits being connected with input line, the EMI circuits with
Current rectifying and wave filtering circuit, power conversion circuit, rectification circuit and output end are sequentially connected, and the current rectifying and wave filtering circuit is also electric with PFC
Road connects, and the output end is also connected with output voltage detecting circuit and output current detection circuit respectively, the output voltage
Detection circuit is also connected with voltage loop and current loop respectively, and the output current detection circuit also connects with the current loop
Connect, the voltage loop and current loop are also all connected with ring temperature detector slowdown monitoring circuit and controller respectively, the controller also with work(
Rate translation circuit is connected.
2. charge protector of battery as claimed in claim 1, it is characterised in that the controller is PLC controls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621297240.3U CN206195435U (en) | 2016-11-30 | 2016-11-30 | Battery charge protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621297240.3U CN206195435U (en) | 2016-11-30 | 2016-11-30 | Battery charge protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206195435U true CN206195435U (en) | 2017-05-24 |
Family
ID=58725557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621297240.3U Active CN206195435U (en) | 2016-11-30 | 2016-11-30 | Battery charge protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206195435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177780A (en) * | 2018-09-29 | 2019-01-11 | 北京新能源汽车股份有限公司 | Charging control method and device and electric automobile |
-
2016
- 2016-11-30 CN CN201621297240.3U patent/CN206195435U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177780A (en) * | 2018-09-29 | 2019-01-11 | 北京新能源汽车股份有限公司 | Charging control method and device and electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190424 Address after: 215200 558 FENHU Road, Wujiang District, Suzhou, Jiangsu Patentee after: Amperex Technology Limited (Suzhou) Address before: 215200 Room 311, Building 4, 18 Suzhou River Road, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Patentee before: SUZHOU SIAO SEMICONDUCTOR TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right |