CN105990859B - The battery charger and method of detectable battery access state - Google Patents
The battery charger and method of detectable battery access state Download PDFInfo
- Publication number
- CN105990859B CN105990859B CN201510047821.5A CN201510047821A CN105990859B CN 105990859 B CN105990859 B CN 105990859B CN 201510047821 A CN201510047821 A CN 201510047821A CN 105990859 B CN105990859 B CN 105990859B
- Authority
- CN
- China
- Prior art keywords
- variation
- voltage value
- switch unit
- battery
- output
- 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
Abstract
This application discloses the battery chargers and method of detectable battery access state.One specific embodiment of described device includes: transforming circuit, DC voltage needed for the AC or DC voltage of input is converted to battery charging；Switch unit connects transforming circuit and battery；Control unit, adjust the DC voltage value variation of transforming circuit output, relationship between the DC voltage value variation of variation and the transforming circuit output of the voltage value of detection switch unit output, and flow through the electric current of switch unit, if the variation electric current that is not identical and flowing through switch unit of the voltage value of variation and the transforming circuit output of the voltage value of switch unit output is greater than zero, then control unit control switch unit is connected, to charge to battery.The embodiment can detecte the access state of the battery of any voltage rating, and in battery over-discharge state it is also ensured that the accuracy of testing result.
Description
Technical field
This application involves power supplies or the circuit device field of distribution more particularly to the battery of detectable battery access state to fill
Electric installation and method.
Background technique
Detection method of the conventional batteries charging unit to battery access state are as follows: detection device output end has no-voltage, has
Voltage is then judged as that battery accesses, and no-voltage is then judged as that battery does not access.But in practical applications, there are voltages for battery
For the state of zero volt, i.e. over-discharge state, when the battery of this state accesses, traditional detection method judges not to be connect for battery
Enter, to generate false judgment.Existing another kind judgment method are as follows: one fixed voltage of pre-connection on output terminal,
The voltage need to be higher than cell voltage in actual use, but need to be lower than the supply voltage of microcontroller.When detecting output terminal
On voltage be lower than the fixed voltage, illustrate that battery accesses, correspondingly, when detecting that it is described that the voltage on output terminal is equal to
Fixed voltage illustrates that battery does not access.The problem of this method can solve above-mentioned erroneous judgement, but to fixed voltage, cell voltage
And microcontroller supply voltage all requires, and in practical application, there is the case where not being able to satisfy above-mentioned requirements, for example, generally
Charging unit system voltage be 5V or 3.3V, i.e., expression fixed voltage and microcontroller supply voltage be 5V or 3.3V, and
Lead-acid battery or the cell voltage of series-connected cell group are higher, generally 24V or 36V, greater than the supply voltage of microcontroller, so
The method in use also can be restricted.Accordingly, there exist the device and method for the access state for providing the accurate higher battery of detection
Needs.
Summary of the invention
In order to solve above-mentioned defect in the prior art, on the one hand, this application provides detectable battery access states
Battery charger.Described device includes: transforming circuit, and the AC or DC voltage of input is converted to needed for battery charging
DC voltage；Switch unit connects the transforming circuit and the battery；And control unit, adjust transforming circuit output
DC voltage value variation detects the DC voltage of the variation and transforming circuit output of the voltage value of the switch unit output
Relationship between value variation, and the electric current of the switch unit is flowed through, if the change of the voltage value of switch unit output
Change and is greater than zero with the variation electric current that is not identical and flowing through the switch unit of the voltage value of transforming circuit output, then it is described
Control unit controls the switching means conductive, to charge to the battery.
In some implementations, if detecting variation and the transformation electricity of the voltage value of the switch unit output
The variation of the voltage value of road output is identical, and described control unit controls the switch unit and disconnects, to stop filling to the battery
Electricity.
In some implementations, described control unit includes detection unit and processing unit, wherein the detection unit
The variation of the voltage value of detection switch unit output, and will test result and send processing unit to；The processing unit will be described
The variation of the voltage value of switch unit output is compared with the variation for the voltage value that the transforming circuit exports, described in determination
Whether the variation of the voltage value of switch unit output is identical as the variation for the voltage value that the transforming circuit exports.
In some implementations, the processing unit includes control circuit, and it is defeated that the control circuit adjusts transforming circuit
DC voltage value variation out, and in the voltage of the variation of the voltage value of switch unit output and transforming circuit output
When the variation of value is not identical, the switching means conductive is controlled.
In some implementations, the switch unit includes: resistance and electronic switch, and the resistance and electronic switch are simultaneously
Connection connection.
In some implementations, the electronic switch be relay, one end of the coil of the relay be connected as after
The DC power supply of electric power supply.
In some implementations, the conducting and disconnection of the relay are controlled by control circuit and transistor, institute
The output end for stating control circuit is connect with the transistor.
In some implementations, the transistor be NPN type, the collector of the NPN type transistor with
The other end of the coil of the relay connects, and base stage is connect with the control circuit output end, emitter ground connection.
In some implementations, the transistor be positive-negative-positive, the collector of the positive-negative-positive transistor with
The other end of the coil of the relay connects, and emitter is connect with the control circuit output end, base earth.
In some implementations, the electricity of the variation and transforming circuit output of the voltage value of the switch unit output
When the variation of pressure value is identical, the control circuit output is lower than the level signal of the conducting voltage of the transistor PN junction,
The relay disconnects；The variation and the variation of the voltage value of transforming circuit output of the voltage value of the switch unit output
When not identical, the control circuit output is higher than the level of the conducting voltage of the transistor PN junction, and the relay is led
It is logical.
On the other hand, this application provides a kind of method for charging batteries of detectable battery access state, and power supply is by filling
Electric installation charges to the battery, and the charging unit includes transforming circuit, switch unit and control unit, wherein the change
Volt circuit is used to convert supply voltage to DC voltage required for battery charges, and the switch unit is for connecting the change
Volt circuit and the battery, described control unit is for controlling the transforming circuit and the switch unit；The side
Method includes: to adjust the DC voltage value variation of the transforming circuit output；Detection switch unit output voltage value variation with
Relationship between the variation of the DC voltage value of transforming circuit output and the electric current for flowing through the switch unit；If institute
The variation for the voltage value that the variation and the transforming circuit for stating the voltage value that switch unit exports export is not identical, then the control
Unit controls the switching means conductive, to charge to the battery.
In some implementations, the method also includes: if detecting the voltage value of switch unit output
Change, the described control unit control switch unit disconnection identical as the variation of voltage value that the transforming circuit exports, with
Stop charging to the battery.
By the battery charger and method of detectable battery access state provided by the present application, any volume can detecte
The access state of the battery of constant voltage, and even if battery be over-discharge state when it is also ensured that testing result it is accurate
Property.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 shows the structural representation of one embodiment of the battery charger of the detectable battery access state of the application
Figure；
Fig. 2 shows the application can detect the further of one embodiment of the battery charger of battery access state
Structural schematic diagram；
Fig. 3 shows the schematic diagram of control unit control switch unit conducting and the circuit disconnected；
Fig. 4 shows the schematic diagram of control unit control switch unit conducting and another circuit disconnected；
Fig. 5 shows the flow chart that the application can detect the method for charging batteries and one embodiment of battery access state.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to related invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Referring to FIG. 1, it illustrates one embodiment that the application can detect the battery charger of battery access state
Structural representation Figure 100.As shown in Figure 1, the battery charger of detectable battery access state may include transforming circuit
110, switch unit 120 and control unit 130.Wherein, transforming circuit 110 can by from AC power source alternating voltage or
DC voltage needed for DC voltage from DC power supply is converted to battery charging.Switch unit can become with 120 for connecting
Volt circuit 110 and battery, including be connected and disconnect two states.Control unit 130 can be exported straight by transforming circuit 110
Galvanic electricity pressure works on power, and it is (such as first in some way in a certain range to adjust the DC voltage value that transforming circuit 110 exports
Raised mode after reducing or first reduce after raising) variation.For example, battery voltage rating to be charged is 48V, control unit 130
The voltage that can control transforming circuit output is first increased to 58V from 42V, then is reduced to 42 from 58V, and period of change can be 5 seconds
The direct current that clock, the variation for the voltage value that detection switch unit 120 exports in this period of change and transforming circuit 110 export
Relationship between the variation of pressure value, and detect whether to exist and flow through the electric current of switch unit 120 controls out according to testing result
Close the conducting and disconnection of unit.
If the DC voltage value that variation and transforming circuit 110 that the voltage value that switch unit 120 exports occurs export
Variation is not identical, and the electric current for flowing through switch unit 120 is greater than zero, then can determine that battery accesses, control unit 130 can at this time
With the conducting of control switch unit 120, to charge to battery.The variation and transformation electricity that the voltage value that switch unit 120 exports occurs
The not identical variation for the DC voltage value that road 110 exports may include following two situation: the voltage value that switch unit 120 exports
It does not change；The voltage value that switch unit 120 exports changes, but changes the DC voltage exported with transforming circuit 110
The variation of value is not identical.
If the variation phase for the voltage that the variation that the voltage value that switch unit 120 exports occurs is exported with transforming circuit 110
Together, then it can determine that battery does not access, control unit 130 can control the disconnection of switch unit 120, to stop charging to battery.
With further reference to Fig. 2, it illustrates the further of the battery charger that can detect battery access state shown in Fig. 1
Structural schematic diagram.As shown in Fig. 2, switch unit 120 may include the resistance 121 and electronic switch 122 being connected in parallel, resistance
122 connect transforming circuit 110 with battery when electronic switch 121 is disconnected.When battery does not access, 120 input terminal of switch unit
The voltage of (i.e. the output end of transforming circuit) and output end be it is equal, i.e., when transforming circuit 110 export DC voltage value not
When disconnected variation, the voltage value of 120 output end of switch unit can also occur similarly to change；When battery accesses, transforming circuit 110 is defeated
When DC voltage value out constantly changes, the voltage of 120 output end of switch unit is not changed by cell voltage clamper, according to
This may determine that whether battery accesses charging unit.
As shown in Fig. 2, control unit 130 may include detection unit 131 and processing unit 132, wherein detection unit
131 can detecte the variation of the voltage value of switch unit output, and will test result and send processing unit 132 to.Processing unit
132 (can open the voltage value that the variation for the voltage value (i.e. battery voltage value) that switch unit exports is exported with transforming circuit
Close unit 120 input voltage value) variation be compared, with determine switch unit output voltage value variation and transformation electricity
Whether the variation of the voltage value of road output is identical.If comparison result be it is not identical, processing unit can determine battery access, control
Switch unit 120 processed is connected, and charges the battery.If comparison result be it is identical, can determine that battery does not access, control
Switch unit 120 disconnects.In some implementations, detection unit 131 can with the current signal at 120 both ends of detection switch unit,
The electric current of switch unit is flowed through, processing unit can judge whether battery accesses according to the electric current for flowing through switch unit.
In some optional implementations, processing unit 132 may include control circuit, adjust transformation by control circuit
The DC voltage value variation that circuit 110 exports, and it is defeated in the variation of the voltage value of the output of switch unit 120 and transforming circuit 110
When the variation of voltage value out is not identical, control switch unit 120 is connected.
With further reference to Fig. 3, it illustrates the signals of control unit control switch unit conducting and the circuit disconnected
Figure.As shown in figure 3, switch unit 120 may include resistance 121 and relay 122, resistance 121 and relay 122 are in parallel even
It connects, the conducting and disconnection of relay are controlled by control circuit and transistor.One end of the coil of relay powers with for it
The connection of 12V DC power supply, the other end connect with the collector of negative-positive-negative transistor 310, negative-positive-negative transistor 310
Base stage is connect with the output end of control circuit 320, emitter ground connection.It in some implementations, can be using transforming circuit 110 come generation
It is relay power supply for DC power supply.
When processing unit determines the voltage of variation and the transforming circuit output of the voltage value (Vb in Fig. 3) of switch unit output
When the variation of value (Vc in Fig. 3) is not identical, the output of control circuit 320 is higher than negative-positive-negative transistor PN junction conducting voltage in Fig. 3
High level signal, at this moment triode ON forms access between the coil of relay 122 and the emitter of triode, after
The coil upstream overexcitation electric current of electric appliance forms galvanomagnetic-effect, the input contact of relay and output contact is made to link together,
Relay 122 is connected, so that switching means conductive, charges the battery；When processing unit determines that switch unit exports
Voltage value variation it is identical with the variation of voltage value that the transforming circuit exports when, control circuit 320 exports and is lower than in Fig. 3
The high level signal of negative-positive-negative transistor PN junction conducting voltage, triode are in off state, do not have on the coil of relay
Exciting current, the input contact of relay and output contact disconnect, and relay 122 disconnects, so that switch unit disconnects, stop
Only charge to battery.
With further reference to Fig. 4, it illustrates showing for the conducting of control unit control switch unit and another circuit of disconnection
It is intended to.
As shown in figure 4, switch unit 120 may include resistance 121 and relay 122, resistance 121 and relay 122 are simultaneously
Connection connection, the conducting and disconnection of relay are controlled by control circuit and transistor.One end of the coil of relay be its
The 12V DC power supply of power supply connects, and the other end is connect with the collector of positive-negative-positive transistor 410, positive-negative-positive transistor
410 emitter is connect with the output end of control circuit 420, base earth.
When processing unit determines variation and the voltage value of transforming circuit output of the voltage value of switch unit output
When changing not identical, the output of control circuit 420 is higher than the high level signal of positive-negative-positive transistor PN junction conducting voltage in Fig. 4,
At this moment triode ON forms access between the coil of relay 122 and the emitter of triode, flow on the coil of relay
Overexcitation electric current forms galvanomagnetic-effect, the input contact of relay and output contact is made to link together, and relay 122 is connected,
So that switching means conductive, charges the battery；When processing unit determines the variation of the voltage value of switch unit output
When identical as the variation of voltage value of transforming circuit output, the output of control circuit 420 is lower than three pole of positive-negative-positive crystal in Fig. 4
The low level signal of pipe PN junction conducting voltage, triode are in off state, do not have exciting current, relay on the coil of relay
The input contact of device and output contact disconnect, and relay 122 disconnects, so that switch unit disconnects, stop charging to battery.
The battery charger of detectable battery access state provided by the embodiments of the present application can detecte any specified electricity
The access state of the battery of pressure, and due to being judged according to the variation relation of transforming circuit output voltage values and battery voltage value
Whether battery accesses, thus when battery is in over-discharge state will not false judgment battery access state, realize
The accurate detection of battery access state.
With further reference to Fig. 5, it illustrates method for charging batteries and a reality that the application can detect battery access state
Apply the flow chart 500 of example.In the present embodiment, power supply is charged by charging unit to battery.Charging unit may include transformation
Circuit, switch unit and control unit, wherein transforming circuit is used for straight required for converting supply voltage to battery charging
Galvanic electricity pressure, switch unit for connecting transforming circuit and battery, described control unit be used for transforming circuit and switch unit into
Row control.The method for charging batteries may include:
Step 501, the DC voltage value variation of transforming circuit output is adjusted；
In the present embodiment, the DC voltage of the adjustable transforming circuit output of control unit is in a certain range with certain
Mechanical periodicity, for example, if battery voltage rating is 48V, then the voltage of adjustable transforming circuit output was week with 5 seconds
Phase is changed in a manner of first rising and declining afterwards in the range of 40V~56V.
Step 502, the change of the DC voltage value of the variation of the voltage value of detection switch unit output and transforming circuit output
Relationship between change；
In the present embodiment, while the DC voltage value variation for adjusting transforming circuit output, control unit can be examined
The variation of the voltage value of switch unit output is surveyed, and judges what the variation of the voltage value of switch unit output and transforming circuit exported
Whether the variation of DC voltage value is identical.Control unit can also detect the electric current for flowing through switch unit, in conjunction with current detecting knot
Fruit and above-mentioned voltage change judging result determine whether battery accesses.
Step 503, if transforming circuit output voltage value variation and switch unit output voltage value variation not
Identical, then control unit control switch unit is connected, to charge to battery.
In the present embodiment, if the control unit detects that transforming circuit output voltage value do not change, or variation with
The variation of the voltage value of switch unit output is not identical, then can determine that battery accesses, and control unit can be single to switch at this time
Member issues the control signal of conducting, switching means conductive, and power supply charges to battery.
In some implementations, after step 502, above-mentioned method for charging batteries can also include:
Step 504, if detecting the voltage value of variation and the transforming circuit output of the voltage value of switch unit output
Change identical, then control unit controls switch unit, to stop charging to battery.
It should be pointed out that all parts in method flow illustrated in fig. 5 connect with above-described detectable battery
Enter that each component described in the battery charger of state is corresponding, and details are not described herein again.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (9)
1. a kind of battery charger of detectable battery access state, which is characterized in that described device includes:
Transforming circuit, DC voltage needed for the AC or DC voltage of input is converted to battery charging；
Switch unit, connects the transforming circuit and the battery, and the switch unit includes resistance and electronic switch, the electricity
Resistance is connected in parallel with electronic switch；
Control unit adjusts the DC voltage value variation of transforming circuit output, detects the voltage value of the switch unit output
Relationship between the variation of the DC voltage value of variation and transforming circuit output, and flow through the electricity of the switch unit
Stream, if the switch unit output voltage value variation with the transforming circuit output voltage value variation it is not identical and
The electric current for flowing through the switch unit is greater than zero, then described control unit controls electronic switch conducting, with to the battery
Charging, if detecting the variation and the variation of the voltage value of transforming circuit output of the voltage value of the switch unit output
Identical, described control unit controls the electronic switch and disconnects, to stop charging to the battery.
2. battery charger according to claim 1, which is characterized in that described control unit includes detection unit and place
Manage unit, wherein
The variation of the voltage value of the detection unit detection switch unit output, and will test result and send processing unit to；
The variation for the voltage value that the processing unit exports the switch unit and the voltage value of transforming circuit output
Variation is compared, with the variation of the voltage value of the determination switch unit output and the voltage value of transforming circuit output
Whether identical change.
3. battery charger according to claim 2, which is characterized in that the processing unit includes control circuit, institute
State the DC voltage value variation that control circuit adjusts transforming circuit output, and the variation of the voltage value in switch unit output
When not identical as the variation of the voltage value of transforming circuit output, the electronic switch conducting is controlled.
4. battery charger according to claim 1, which is characterized in that the electronic switch be relay, it is described after
One end of the coil of electric appliance is connected as the DC power supply of relay power supply.
5. battery charger according to claim 4, which is characterized in that the conducting and disconnection of the relay are by controlling
Circuit and transistor control, the output end of the control circuit are connect with the transistor.
6. battery charger according to claim 5, which is characterized in that the transistor is NPN type, described
The collector of NPN type transistor is connect with the other end of the coil of the relay, and base stage and the control circuit export
End connection, emitter ground connection.
7. battery charger according to claim 5, which is characterized in that the transistor is positive-negative-positive, described
The collector of positive-negative-positive transistor is connect with the other end of the coil of the relay, and emitter and the control circuit are defeated
Outlet connection, base earth.
8. battery charger according to claim 6 or 7, which is characterized in that the voltage value of the switch unit output
Variation it is identical with the variation of voltage value that the transforming circuit export when, the control circuit is exported lower than three pole of crystal
The level signal of the conducting voltage of pipe PN junction, the relay disconnect；The variation of the voltage value of the switch unit output and institute
State the voltage value of transforming circuit output variation it is not identical when, control circuit output is higher than the transistor PN junction
The level of conducting voltage, the relay conducting.
9. a kind of method for charging batteries of detectable battery access state, which is characterized in that power supply is by charging unit to described
Battery charging, the charging unit includes transforming circuit, switch unit and control unit, wherein the transforming circuit is used to incite somebody to action
Supply voltage be converted into battery charge required for DC voltage, the switch unit for connect the transforming circuit with it is described
Battery, the switch unit include resistance and electronic switch, and the resistance is connected in parallel with electronic switch, and described control unit is used
It is controlled in the transforming circuit and the switch unit；The described method includes:
Adjust the DC voltage value variation of the transforming circuit output；
Between the variation of the DC voltage value of variation and the transforming circuit output of the voltage value of detection switch unit output
Relationship and the electric current for flowing through the switch unit；
If the variation of the voltage value of the switch unit output is not identical as the variation for the voltage value that the transforming circuit exports,
And the electric current for flowing through the switch unit is greater than zero, then described control unit controls electronic switch conducting, with to the electricity
Pond charging；
If detecting the variation and the variation of the voltage value of transforming circuit output of the voltage value of the switch unit output
Identical, described control unit controls the electronic switch and disconnects, to stop charging to the battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510047821.5A CN105990859B (en) | 2015-01-29 | 2015-01-29 | The battery charger and method of detectable battery access state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510047821.5A CN105990859B (en) | 2015-01-29 | 2015-01-29 | The battery charger and method of detectable battery access state |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105990859A CN105990859A (en) | 2016-10-05 |
| CN105990859B true CN105990859B (en) | 2019-02-12 |
Family
ID=57034369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510047821.5A Active CN105990859B (en) | 2015-01-29 | 2015-01-29 | The battery charger and method of detectable battery access state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105990859B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107546815B (en) * | 2017-10-17 | 2021-01-22 | 南京博兰得电子科技有限公司 | Universal charger |
| CN107968472B (en) * | 2017-11-24 | 2019-05-07 | 珠海格力电器股份有限公司 | A kind of charger and its control method |
| CN109494838A (en) * | 2018-12-14 | 2019-03-19 | 常州格力博有限公司 | Charge output protection circuit and charging output protection method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102694403A (en) * | 2012-05-30 | 2012-09-26 | 江苏科技大学 | Charger and control method thereof |
| CN102738876A (en) * | 2012-06-08 | 2012-10-17 | 江苏新日电动车股份有限公司 | Intelligent output control charger for power-driven vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9300149B2 (en) * | 2011-12-13 | 2016-03-29 | Shindengen Electric Manufacturing Co., Ltd. | Regulator, battery charging apparatus and battery charging method to prevent voltage of a battery from increasing beyond a full-charge voltage during chattering |
-
2015
- 2015-01-29 CN CN201510047821.5A patent/CN105990859B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102694403A (en) * | 2012-05-30 | 2012-09-26 | 江苏科技大学 | Charger and control method thereof |
| CN102738876A (en) * | 2012-06-08 | 2012-10-17 | 江苏新日电动车股份有限公司 | Intelligent output control charger for power-driven vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105990859A (en) | 2016-10-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104885328B (en) | Adapter and method, device for adjusting the charging current that adapter is provided | |
| CN100511917C (en) | Micro-processor controlled high-frequency charger | |
| CN102593881B (en) | Charging power supply circuit, method and application apparatus | |
| CN104348215A (en) | Charger, battery module, and systems and methods for identifying and monitoring a battery charger | |
| CN105024418A (en) | Cable quality detection and power consumer devices | |
| US20120249083A1 (en) | Method and device for voltage detection and charging of electric battery | |
| CN102893488B (en) | Secondary-battery control device | |
| CN103326432B (en) | A kind of battery charging control method of electronic equipment and system | |
| CN101814756B (en) | Constant-current and constant-voltage control circuit, charging circuit and charger | |
| CN102904290B (en) | Electronic device and method for judging whether battery is charged fully or not | |
| CN101421902A (en) | Charging method, battery pack, and its charger | |
| CN108233495A (en) | Charging system and its control method | |
| US20150162784A1 (en) | Vehicle-Solar-Grid Integration | |
| CN102975627B (en) | Battery management system and electric vehicle | |
| CN105429226A (en) | High-capacity charging-discharging battery management system | |
| CN101604861B (en) | Battery charging control circuit and charger | |
| CN103066635B (en) | Electronic-controlled installation | |
| US20120062182A1 (en) | Intelligent Power Supply | |
| CN105990859B (en) | The battery charger and method of detectable battery access state | |
| CN104756393A (en) | Power conversion device and method for diagnosing failure thereof | |
| CN104969443B (en) | Low fever wireless power reception device and method | |
| CN201341030Y (en) | Monitoring and balancing device used for connecting storage battery group in series | |
| CN107154564A (en) | Charging pile plug, socket and its control method of a kind of AC/DC universal | |
| CN103003092A (en) | Electricity charging system | |
| CN104124742A (en) | Control method for supplying power |
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 |