CN106208234B - A kind of charger method for measuring charged and detection circuit - Google Patents
A kind of charger method for measuring charged and detection circuit Download PDFInfo
- Publication number
- CN106208234B CN106208234B CN201610680538.0A CN201610680538A CN106208234B CN 106208234 B CN106208234 B CN 106208234B CN 201610680538 A CN201610680538 A CN 201610680538A CN 106208234 B CN106208234 B CN 106208234B
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- Prior art keywords
- charging
- charger
- battery
- voltage
- mcu
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title abstract description 17
- 230000002159 abnormal effect Effects 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0069—Charging or discharging for charge maintenance, battery initiation or rejuvenation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
- G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H02J7/0086—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of charger charging detecting circuits, comprising: charger, charging detecting circuit, battery；The charger includes charging MCU, and the charging detecting circuit includes detection unit and protection location；The detection unit includes triode Q15, adjustment resistance R9, R72, R73, the adjustment resistance R9 is connect with the base stage of triode Q15 and emitter, the adjustment resistance R72 is connect with the base stage of triode Q15 and battery cathode B-, and the adjustment resistance R73 is connect with the collector of triode Q15 and charging MCU power supply VCC.Charger charging detecting circuit of the invention controls the level input of charging MCU by the on and off of triode; to control charger to the charged state of battery; protection location can guarantee the safety of charger and battery in abnormal cases; the present invention is reliable, safe, succinct, low in energy consumption, provides scientific method and circuit system for the charging detection of battery.
Description
Technical field
The present invention relates to charging circuit technical field more particularly to a kind of charger method for measuring charged and detection circuits.
Background technique
In recent years, the extensive of rechargeable battery is led in mobile phone, laptop, movable power source, electric vehicle, electric tool etc.
Important function has been played to the environmental protection of raising people, energy-saving horizontal in domain, also provides greatly just to efficient, the quick life of people
Benefit, in the prior art, charger detection circuit are made of following two part: charger detects trigger circuit, charging instruction
Signal, this is a kind of charging modes for first charging and detecting again.
The existing technology has at least the following problems:
(1) when not charging, charge port is needed to close, to reach more security strategies, reduces the mesh of quiescent dissipation
, it is complicated for operation；
(2) before charger access, it is not allow for discharge loop, otherwise signal is triggered by discharge loop, up to not
To testing goal.
(3) cost is increased, the control logic of discharge loop is limited, increases quiescent dissipation, for charger and battery
Voltage have no way of judging, even if charger voltage is also lower than battery, can equally trigger charging signals.
Therefore, the technical problem that those skilled in the art need urgently to solve is exactly: how to innovate
It proposes a kind of measure, a kind of charger method for measuring charged and detection circuit is provided, the shortcomings that overcome the prior art.
Summary of the invention
As the one aspect of the embodiment of the present invention, the invention discloses a kind of charger method for measuring charged, comprising:
Charging detecting circuit is configured between charger and battery；
Charging detecting circuit judges whether charger output voltage is greater than battery storage voltage；
If so, charging detecting circuit judges charger and battery configuration successful, allow to charge；
If not, charging detecting circuit judges that charger and battery configuration are unsuccessful, do not allow to charge；
When charger charges normal for battery, whether charging detecting circuit monitoring charger output voltage is greater than battery storage
Deposit voltage；
If so, charging detecting circuit is shown normally, charger continues as battery charging；
If not, charging detecting circuit shows exception and alerts, charger stops being that battery charges.
In another embodiment based on above-mentioned charger method for measuring charged, the charging detecting circuit includes that detection is single
Member and protection location, the detection unit are used to control the charged state of charger and battery, and the protection location is for filling
Charging detecting circuit is protected not to be damaged when electric appliance output voltage exception.
In another embodiment based on above-mentioned charger method for measuring charged, the detection unit includes triode Q15,
When charger output voltage is greater than cell voltage, charger output negative pole voltage is less than battery cathode voltage, and triode Q15 is led
Logical, charger is normally battery charging, and when charger output voltage is less than cell voltage, charger output negative pole voltage is greater than
Battery cathode voltage, triode Q15 cut-off, charger cannot charge for battery.
As the other side of the embodiment of the present invention, the invention discloses a kind of charger charging detection systems, comprising:
Charger, charging detecting circuit, battery；
The charger includes charging MCU, and the charging detecting circuit is filled by the incoming level control of control charging MCU
The charged state of electric appliance；
The charging detecting circuit includes detection unit and protection location；
The detection unit is by judge whether charger output voltage be greater than cell voltage control charger to electricity
Pond charging；
The protection location is for protecting charger, charging detecting circuit and battery not by abnormal charging damage
In another embodiment based on above-mentioned charger charging detection system, the charging detecting circuit includes charging just
Pole C+, charging cathode C-, charging MCU power supply VCC；
The battery includes: anode B+, battery cathode B-；
The detection unit includes triode Q15, adjusts resistance R9, R72, R73, the adjustment resistance R9 and triode
The base stage of Q15 is connected with emitter, and the adjustment resistance R72 is connect with the base stage of triode Q15 and battery cathode B-, the tune
Whole resistance R73 is connect with the collector of triode Q15 and charging MCU power supply VCC；
The protection location includes diode D12, D13, adjusts resistance R12, R16, capacitor C6；The diode D13 is used
It is not threatened by high input voltage in the I/O port of protection charging MCU.
In another embodiment based on above-mentioned charger charging detection system, the charger voltage is less than cell voltage
When, charging cathode C- voltage is greater than battery cathode B- voltage, triode Q15 cut-off, so that the input for the MCU that charges is high level,
Charging MCU does not allow charger to charge battery；
When the charger voltage is greater than cell voltage, charging cathode C- voltage is less than battery cathode B- voltage, triode
Q15 conducting, so that the input for the MCU that charges is low level, charging MCU allows charger to charge battery.
Compared with prior art, the present invention includes the following advantages:
Charger method for measuring charged and detection circuit of the invention controls charging by the on and off of triode
The level of MCU inputs, and to control charger to the charged state of battery, protection location can guarantee charger and battery different
Safety in normal situation, the present invention is reliable, safe, succinct, low in energy consumption, provides scientific method and electricity for the charging detection of battery
Road system.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing used in technical description to do one simply to introduce, it should be apparent that, the accompanying drawings in the following description is of the invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the flow chart of one embodiment of charger method for measuring charged of the invention；
Fig. 2 is the structural schematic diagram of one embodiment of charger charging detecting circuit of the invention；
Fig. 3 is the circuit diagram of one embodiment of charger charging detecting circuit of the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
With reference to the accompanying drawings and examples to a kind of charger method for measuring charged provided by the invention and detection circuit and
Detection method is described in more detail.
Fig. 1 is the flow chart of one embodiment of charger method for measuring charged of the invention, as shown in Figure 1, the charging
Device method for measuring charged includes:
S1: charging detecting circuit is configured between charger and battery；
S2: charging detecting circuit judges whether charger output voltage is greater than battery storage voltage；
S3: if so, charging detecting circuit judges charger and battery configuration successful, allow to charge；
S4: if not, charging detecting circuit judges that charger and battery configuration are unsuccessful, do not allow to charge；
S5: when charger charges normal for battery, whether charging detecting circuit monitoring charger output voltage is greater than electricity
Pond stored voltage；
S6: if so, charging detecting circuit is shown normally, charger continues as battery charging；
S7: if not, charging detecting circuit shows exception and alerts, charger stops being that battery charges.
The charging detecting circuit includes detection unit and protection location, and the detection unit is for controlling charger and electricity
The charged state in pond, the protection location in charger output voltage exception for protecting charging detecting circuit not to be damaged.
The detection unit includes triode Q15, and when charger output voltage is greater than cell voltage, charger output is negative
Pole tension is less than battery cathode voltage, and triode Q15 conducting, charger is normally battery charging, when charger output voltage is small
When cell voltage, charger output negative pole voltage is greater than battery cathode voltage, triode Q15 cut-off, and charger cannot be electricity
Pond charging.
Fig. 2 is the structural schematic diagram of one embodiment of charger charging detecting circuit of the invention, as shown in Fig. 2, institute
Stating charger charging detection system includes: charger 1, charging detecting circuit 2, battery 3；
The charger 1 includes charging MCU, the incoming level control that the charging detecting circuit 2 passes through control charging MCU
The charged state of charger 1；
The charging detecting circuit 2 includes detection unit and protection location；
The detection unit by judge 1 output voltage of charger whether be greater than 3 voltage of battery control charger 1 whether to
Battery 3 charges；
The protection location is for protecting charger 1, charging detecting circuit 2 and battery 3 not by abnormal charging damage
Fig. 3 is the circuit diagram of one embodiment of charger charging detecting circuit of the invention, as shown in figure 3, described fill
Electric appliance 1 includes the power supply VCC of charging anode C+, charging cathode C- and the MCU that charges；
The battery 3 includes: anode B+, battery cathode B-；
The detection unit includes triode Q15, adjusts resistance R9, R72, R73, the adjustment resistance R9 and triode
The base stage of Q15 is connected with emitter, and the adjustment resistance R72 is connect with the base stage of triode Q15 and battery cathode B-, the tune
Whole resistance R73 is connect with the power supply VCC of the collector of triode Q15 and the MCU that charges；
The protection location includes diode D12, D13, adjusts resistance R12, R16, capacitor C6；The diode D13 is used
It is not threatened by high input voltage in the I/O port of protection charging MCU.
When the charger voltage is less than cell voltage, charging cathode C- voltage is greater than battery cathode B- voltage, three poles
Pipe Q15 cut-off, so that the input for the MCU that charges is high level, charging MCU does not allow charger to charge battery；
When the charger voltage is greater than cell voltage, charging cathode C- voltage is less than battery cathode B- voltage, three poles
Pipe Q15 conducting, so that the input for the MCU that charges is low level, charging MCU allows charger to charge battery.
A kind of charger method for measuring charged provided by the present invention and detection circuit and detection method are carried out above
It is discussed in detail, used herein a specific example illustrates the principle and implementation of the invention, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to
According to thought of the invention, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification
It should not be construed as limiting the invention.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (2)
1. a kind of charger charging detecting circuit characterized by comprising charger, charging detecting circuit, battery；
The charger includes charging MCU, and the charging detecting circuit controls charger by the incoming level of control charging MCU
Charged state；
The charging detecting circuit includes detection unit and protection location；
The detection unit controls whether charger fills to battery by judging whether charger output voltage is greater than cell voltage
Electricity；
The protection location is for protecting charger, charging detecting circuit and battery not by abnormal charging damage；
The charging detecting circuit includes charging anode C+, charging cathode C-, charging MCU power supply VCC；
The battery includes: anode B+, battery cathode B-；
The detection unit includes triode Q15, adjusts resistance R9, R72, R73, the adjustment resistance R9's and triode Q15
Base stage is connected with emitter, and the adjustment resistance R72 is connect with the base stage of triode Q15 and battery cathode B-, the adjustment electricity
Resistance R73 is connect with the collector of triode Q15 and charging MCU power supply VCC；
The protection location includes diode D12, D13, adjusts resistance R12, R16, capacitor C6；The diode D13 is for protecting
The I/O port of shield charging MCU is not threatened by high input voltage.
2. charger charging detecting circuit according to claim 1, which is characterized in that the charger voltage is less than battery
When voltage, charging cathode C- voltage is greater than battery cathode B- voltage, triode Q15 cut-off, so that the input for the MCU that charges is high electricity
Flat, charging MCU does not allow charger to charge battery；
When the charger voltage is greater than cell voltage, charging cathode C- voltage is less than battery cathode B- voltage, and triode Q15 is led
Logical, so that the input for the MCU that charges is low level, charging MCU allows charger to charge battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610680538.0A CN106208234B (en) | 2016-08-17 | 2016-08-17 | A kind of charger method for measuring charged and detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610680538.0A CN106208234B (en) | 2016-08-17 | 2016-08-17 | A kind of charger method for measuring charged and detection circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106208234A CN106208234A (en) | 2016-12-07 |
| CN106208234B true CN106208234B (en) | 2019-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610680538.0A Active CN106208234B (en) | 2016-08-17 | 2016-08-17 | A kind of charger method for measuring charged and detection circuit |
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| Country | Link |
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| CN (1) | CN106208234B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069853B (en) | 2014-01-28 | 2019-04-26 | Oppo广东移动通信有限公司 | Start the detection circuit and method of charging |
| CN115166538B (en) * | 2022-06-30 | 2024-06-25 | 东莞新能安科技有限公司 | Charging detection method, device, equipment and product |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2489487Y (en) * | 2001-06-29 | 2002-05-01 | 吴天德 | Charger with checking and protecting cell function |
| CN2872709Y (en) * | 2006-02-17 | 2007-02-21 | 深圳市胜龙达电子有限公司 | Charging circuit |
| CN201044371Y (en) * | 2006-12-30 | 2008-04-02 | 金宝电子工业股份有限公司 | Solar charger unit for electronic calculator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57189087A (en) * | 1981-05-18 | 1982-11-20 | Seiko Epson Corp | Electronic timepiece with charging function |
-
2016
- 2016-08-17 CN CN201610680538.0A patent/CN106208234B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2489487Y (en) * | 2001-06-29 | 2002-05-01 | 吴天德 | Charger with checking and protecting cell function |
| CN2872709Y (en) * | 2006-02-17 | 2007-02-21 | 深圳市胜龙达电子有限公司 | Charging circuit |
| CN201044371Y (en) * | 2006-12-30 | 2008-04-02 | 金宝电子工业股份有限公司 | Solar charger unit for electronic calculator |
Non-Patent Citations (1)
| Title |
|---|
| 嵌入式动力锂离子电池使用状态记录与报警器的研制;陆***;《信息与电脑》;20090915(第9期);第32页 |
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| CN106208234A (en) | 2016-12-07 |
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Address after: 523000 Tongsha New Industrial Park, Dongcheng Street, Dongguan City, Guangdong Province Patentee after: Guangdong Boliwei Technology Co., Ltd. Address before: 523000 new industrial zone, Dongcheng District, Guangdong, Dongguan Patentee before: DongGuan Greenway Battery Co., Ltd. |