CN106655389A - Charging protection method, device and circuit - Google Patents
Charging protection method, device and circuit Download PDFInfo
- Publication number
- CN106655389A CN106655389A CN201611271091.8A CN201611271091A CN106655389A CN 106655389 A CN106655389 A CN 106655389A CN 201611271091 A CN201611271091 A CN 201611271091A CN 106655389 A CN106655389 A CN 106655389A
- Authority
- CN
- China
- Prior art keywords
- charger
- current
- control
- input
- comparison result
- 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.)
- Pending
Links
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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention provides a charging protection method, which comprises the steps of receiving current input by a power supply end, wherein the current does not exceed working current of a charger; detecting leakage current of a port power supply to the ground; comparing the leakage current with a default current value to obtain a comparison result; and controlling the charger to output the working current to external equipment or controlling the charger to receive the working current input by the power supply end according to the comparison result. Through the charging protection scheme provided by the embodiment of the invention, whether the working current is further input into a mobile terminal or not is controlled through detecting the size of the leakage current and judging and detecting the relationship between the leakage current and default current, thereby preventing a charging port from being damaged.
Description
Technical field
The present invention relates to charger technologies field, more particularly to a kind of charge protection method, device and circuit.
Background technology
Now with the fast development of science and technology, mobile terminal has become a requisite thing during we live,
It affects our life.
Mobile terminal is charged at present needs for relying on data wire, the USB (Universal of current data wire
Serial Bus, USB) interface, foreign matter is easily entered in use, because foreign matter can cause port electricity
Source line-to-ground impedance diminishes, when causing charger to charge to mobile terminal, interface heating burnout.
It is mainly as follows for the current solution of the problems referred to above:
The first is：On the position of USB line plug place PTC (Positive Temperature Coefficient,
Thermistor) device, when temperature is high, PTC impedances become big, reduce electric current, and so as to reduce interface temperature protection interface is carried out.
It is for second：Metal-oxide-semiconductor and temperature control circuitry is added to control metal-oxide-semiconductor on port power path, when temperature height
When, control circuit senses the high temperature of port, turns off metal-oxide-semiconductor, electric current is cut off, so as to protect USB interface.
The third is：In connector port plus sampling resistor, connector is determined by the curent change on sampling resistor
Whether port is abnormal determining whether to export charging voltage.
The following defect of all presence of above-mentioned three kinds of solutions：When high current is accessed so that the charging interval is elongated, reduce
Service life, affects Consumer's Experience.
The content of the invention
The invention provides a kind of charge protection method, device and circuit, to solve prior art in due to entering port
The problems such as entering cause after foreign matter long charging interval and interface heating burnout.
In order to solve the above problems, the invention discloses a kind of charge protection method, including：Receive the electricity of power end input
Stream, wherein, operating current of the electric current less than the charger；Detection port power leakage current over the ground；By the leakage
Electric current is compared with pre-set current value, draws comparison result；According to comparison result, the charger is controlled defeated to external equipment
Go out operating current, or control the operating current that the charger receives the power end input.
In order to solve the above problems, the invention also discloses a kind of charge protection device, including：Receiver module, for connecing
The electric current of power end input is received, wherein, operating current of the electric current less than the charger；Detection module, for detecting
Port power leakage current over the ground；Contrast module, for the leakage current and pre-set current value to be compared, draws comparison knot
Really；Control module, for according to comparison result, controlling the charger to external equipment output services electric current, or control is described
Charger receives the operating current of the power end input.
In order to solve the above problems, the invention also discloses a kind of charge protector, including：Charger interface, electric current
Detector, charger reponse system and charger change-over circuit；The charger reponse system include the first output end, second
Input, the 3rd control end, the current detector includes the second output end, the second input and the second control end, described
Charger change-over circuit includes the first circuit interface, second circuit interface；The port power of the charger interface and described
Two output ends connect, and second input is connected with first circuit interface；The first of the charger reponse system is defeated
Go out end and the connection of the circuit between second output end and the port power, the first input end and the described second input
End connection, first control end is connected with the second control of the current detector.
Compared with prior art, the present invention has advantages below：
Charge protection scheme provided in an embodiment of the present invention, when being charged to mobile terminal, receives power end input
Electric current, wherein, the electric current less than the charger operating current, by detecting port power leakage current over the ground simultaneously
Compare with pre-set current value, control charger is to external equipment output services electric current, or controls the charger reception institute
State the operating current of power end input.It can be seen that, pass through the charge protection scheme of the offer of the embodiment of the present invention, by detecting leakage
The size of electric current, judgement detects the relation of leakage current and predetermined current, so as to control whether operating current continues input movement
Terminal, so as to protect charging port not damage.
Description of the drawings
The step of Fig. 1 is a kind of charge protection method of the embodiment of the present invention one flow chart；
The step of Fig. 2 is a kind of charge protection method of the embodiment of the present invention two flow chart；
Fig. 3 is a kind of structured flowchart of charge protection device of the embodiment of the present invention three；
Fig. 4 is a kind of structured flowchart of charge protection device of the embodiment of the present invention four；
Fig. 5 is a kind of charge protector figure of the embodiment of the present invention five.
Specific embodiment
It is understandable to enable the above objects, features and advantages of the present invention to become apparent from, it is below in conjunction with the accompanying drawings and concrete real
The present invention is further detailed explanation to apply mode.
Embodiment one
With reference to Fig. 1, flow chart the step of show a kind of charge protection method of the embodiment of the present invention one.
Charge protection method provided in an embodiment of the present invention is comprised the following steps：
Step 101：Receive the electric current of power end input.
Wherein, operating current of the electric current less than the charger.
Step 102：Detection port power leakage current over the ground.
Port power end is provided with charger interface, the leakage current of port power end is detected.
Step 103：Leakage current is compared with pre-set current value, comparison result is drawn.
Predetermined current is configured in advance, it should be noted that those skilled in the art can be right according to actual needs
Pre-set current value is configured, and could be arranged to 175mA, 180mA etc., and this is not specifically limited.
The leakage current for detecting and pre-set current value are compared, whether leakage current is judged more than pre-set current value, and
Draw comparing result.
Step 104：According to comparison result, control charger is to external equipment output services electric current, or control charger connects
Receive the operating current of power end input.
Charger controls the output input of operating current according to comparing result.
Charge protection method provided in an embodiment of the present invention, when being charged to mobile terminal, receives power end input
Electric current, wherein, the electric current less than the charger operating current, by detecting port power leakage current over the ground simultaneously
Compare with pre-set current value, control charger is to external equipment output services electric current, or controls the charger reception institute
State the operating current of power end input.It can be seen that, pass through the charge protection method of the offer of the embodiment of the present invention, by detecting leakage
The size of electric current, judgement detects the relation of leakage current and predetermined current, so as to control whether operating current continues input movement
Terminal, so as to protect charging port not damage.
Embodiment two
With reference to Fig. 2, flow chart the step of show a kind of charge protection method of the embodiment of the present invention two.
Charge protection method provided in an embodiment of the present invention is comprised the following steps：
Step 201：Receive the electric current of power end input.
Wherein, operating current of the electric current less than charger.
Step 202：Detection port power leakage current over the ground.
Port power end is provided with charger interface, the leakage current of port power end is detected.
Step 203：Leakage current is compared with pre-set current value, comparison result is drawn；When leakage current is more than default electricity
During flow valuve, execution step 204, when leakage current is less than or equal to pre-set current value, execution step 205.
Predetermined current is configured in advance, it should be noted that those skilled in the art can be right according to actual needs
Pre-set current value is configured, and could be arranged to 175mA, 180mA etc., and this is not specifically limited.
The leakage current for detecting and pre-set current value are compared, whether leakage current is judged more than pre-set current value, and
Comparing result is drawn, according to comparing result execution step 204 or step 205.
Step 204：When comparison result is that leakage current is more than pre-set current value, control signal is generated, by control signal
Send to charger reponse system, charger reponse system triggers charge protector according to control signal, to forbid charger
Receive the operating current of power end input.
When comparing result is more than pre-set current value for the current value of leakage current, charger is forbidden to receive the work of power input
It is that charge closing device outputs current to external equipment as electric current.
Specifically, when leakage current is more than pre-set current value, charger reponse system is protected according to control signal triggering excessively stream
Protection circuit, overvoltage crowbar or the charging circuit short circuit by charger, so as to control the output of charger current.
Step 205：When comparison result is that leakage current is less than or equal to pre-set current value, control charger is to external
Equipment output services electric current.
When the leakage current for detecting is less than or equal to pre-set current value, normally external equipment will be charged.
It should be noted that when detecting to leakage current, charger must export a relatively low voltage, this electricity
Pressure value is necessarily less than external equipment and opens the minimum voltage for charging, and just can guarantee that the accuracy of the leakage current of detection.
Specifically, port power input voltage is less than charging external equipment cut-in voltage, and the charging circuit of external equipment does not have
There is work, the leakage current very little on port power, generally several mA, when charger interface enters foreign matter, port power is over the ground
Or there is certain leak resistance other ports, when leak resistance is less, then leakage current is bigger, when leakage current is more than default
During current value, interface can be damaged.Charge protection method provided in an embodiment of the present invention, when being charged to mobile terminal, connects
The electric current of power end input is received, wherein, the electric current is less than the operating current of the charger, by detecting port power pair
The leakage current on ground is simultaneously compared with pre-set current value, and control charger is to external equipment output services electric current, or control is described
Charger receives the operating current of the power end input.It can be seen that, the charge protection side of the offer of the embodiment of the present invention is provided
Method, by the size for detecting leakage current, judgement detects the relation of leakage current and predetermined current, so as to whether control operating current
Continue to be input into mobile terminal, so as to protect charging port not damage.
Embodiment three
With reference to Fig. 3, a kind of structured flowchart of charge protection device of the embodiment of the present invention three is shown.
Charge protection device provided in an embodiment of the present invention includes：Receiver module 301, for receiving the electricity of power end input
Stream, wherein, operating current of the electric current less than the charger；Detection module 302, for detecting port power over the ground
Leakage current；Contrast module 303, for the leakage current and pre-set current value to be compared, draws comparison result；Control module
304, for according to comparison result, controlling the charger to external equipment output services electric current, or the control charger connects
Receive the operating current of the power end input.
Charge protection device provided in an embodiment of the present invention, when being charged to mobile terminal, receives power end input
Electric current, wherein, the electric current less than the charger operating current, by detecting port power leakage current over the ground simultaneously
Compare with pre-set current value, control charger is to external equipment output services electric current, or controls the charger reception institute
State the operating current of power end input.It can be seen that, pass through the charge protection device of the offer of the embodiment of the present invention, by detecting leakage
The size of electric current, judgement detects the relation of leakage current and predetermined current, so as to control whether operating current continues input movement
Terminal, so as to protect charging port not damage.
Example IV
With reference to Fig. 4, a kind of structured flowchart of charge protection device of the embodiment of the present invention four is shown.
Charge protection device provided in an embodiment of the present invention includes：Receiver module 401, for receiving the electricity of power end input
Stream, wherein, operating current of the electric current less than the charger；Detection module 402, for detecting port power over the ground
Leakage current；Contrast module 403, for the leakage current and pre-set current value to be compared, draws comparison result；Control module
404, for according to comparison result, controlling the charger to external equipment output services electric current, or the control charger connects
Receive the operating current of the power end input.
Preferably, the control module 404 includes：Stop input submodule 4041, for being institute when the comparison result
When stating leakage current more than the pre-set current value, control signal is generated, the control signal is sent to charger feedback system
System, the charger reponse system triggers charge protector according to the control signal, to forbid the charger to receive institute
State the operating current of power end input.
Preferably, it is described stopping input submodule 4041 specifically for：The charger reponse system is according to the control
Signal triggering current foldback circuit, overvoltage crowbar or the charging circuit short circuit by the charger.
Preferably, the control module 404 includes：Electric current output sub-module 4042, for being institute when the comparison result
When stating leakage current less than or equal to the pre-set current value, the charger is controlled to external equipment output services electric current.
Charge protection device provided in an embodiment of the present invention, when being charged to mobile terminal, receives power end input
Electric current, wherein, the electric current less than the charger operating current, by detecting port power leakage current over the ground simultaneously
Compare with pre-set current value, control charger is to external equipment output services electric current, or controls the charger reception institute
State the operating current of power end input.It can be seen that, pass through the charge protection device of the offer of the embodiment of the present invention, by detecting leakage
The size of electric current, judgement detects the relation of leakage current and predetermined current, so as to control whether operating current continues input movement
Terminal, so as to protect charging port not damage.
Embodiment five
With reference to Fig. 5, a kind of charge protector figure of the embodiment of the present invention five is shown.
Charge protector provided in an embodiment of the present invention includes：Charger interface 501, current detector 502, charger
Reponse system 503 and charger change-over circuit 504, charger reponse system 103 includes that the first output port 5031, first is defeated
Inbound port 5032, the first control port 5033, current detector 502 includes the second output port 5021, the second input port
5022 and second control port 5023, charger change-over circuit 504 includes the first circuit interface 5041, second circuit interface
5042。
The port power 5011 of charger interface is connected with the second output port interface 5021 of current detector 502, the
Two input ports 5022 are connected with the first circuit interface 5041, the first output port 5031 of charger reponse system 503 and
Circuit connection between two output ports 5021 and port power 5011, the input port 5042 of first input port 5032 and second
Connection, the first control port 5033 is connected with the second control port 5023 of current detector 502.
By above-mentioned charge protector, due to not sealing in device on the path of charging output end to mobile terminal, therefore,
The pressure drop of charging path will not additionally be increased, so as to lift charge efficiency, shorten the charging interval, and then extend the use longevity of battery
Life.
During specifically used, when electric current accesses charger, the detection of current detector 502 port power 5011 is over the ground
Leakage current, leakage current is compared with pre-set current value, when leakage current be more than pre-set current value when, current detector
502 the first control ports 5033 for outputing control signals to electrical equipment reponse system 503, the first control of charger reponse system 503
When port processed 5033 receives control signal, the first protection circuit is triggered, wherein, the first protection circuit is arranged at charger feedback
In system 503, feedback result is sent by first input port 5032 to the second circuit interface of charger change-over circuit 504
5042；Charger change-over circuit 504 receives feedback result by second circuit interface 5042；The foundation of charger change-over circuit 504
Feedback result, the input of charge closing device electric current, so as to protect the port of charger without damage.
When leakage current is less than or equal to pre-set current value, current detector 502 exports closing control signal, turns
Enter to charge normal, terminate until charging.
When being charged to mobile terminal, charger export first one it is relatively low, and be not enough to trigger mobile terminal and move
The voltage of work, at this moment opens the current detector in charger, when current detector detects leakage current, by the leakage current for measuring
Compare with pre-set current value, for example：When the leakage current for detecting is more than pre-set current value 175mA, port electricity is considered as
Source is over the ground or there is short circuit other ports.
It should be noted that those skilled in the art can set according to actual conditions to pre-set current value, for example：
175mA, 180mA etc., are not specifically limited to this.
Specifically, current detector is magnetic conduction circuitry detector.And current detector is arranged on into charger internal, receive
Shell body protection is filled to trip, mechanical attraction damage is difficult.
Charge protector provided in an embodiment of the present invention and charger, charge protector includes charger interface, electricity
Current sensor, charger reponse system and charger change-over circuit, go here and there between charger interface and charger change-over circuit
Join a current detector, current detector is connected with charger reponse system, while charger reponse system and charger port
And charger change-over circuit connects respectively.It can be seen that, go here and there between the port power and charger change-over circuit of charger interface
Connection one current detector, when electric current access charger after, current detector detect leakage current size, and by leakage current with it is pre-
If current value is compared, when leakage current is more than pre-set current value, the input of electric current is closed by charger reponse system, from
And departure date protection can be entered to circuit, in the charge protector of the offer of the embodiment of the present invention, charging output end is (i.e. in exclusive rights
Charger interface port power) seal in without device on the path of the second circuit interface of charger change-over circuit, due to
Device is not sealed on the path of charging output end to battery of mobile terminal end, the pressure drop of charging path, therefore energy will not be increased
Charge efficiency is enough lifted, shortens the charging interval, and then extend the service life of battery.
It should be noted that above-described embodiment the present invention will be described rather than limits the invention, and ability
Field technique personnel can design without departing from the scope of the appended claims alternative embodiment.In the claims,
Any reference symbol between bracket should not be configured to limitations on claims.Word "comprising" is not excluded the presence of not
Element listed in the claims or step.Word "a" or "an" before element does not exclude the presence of multiple such
Element.The present invention can come real by means of the hardware for including some different elements and by means of properly programmed computer
It is existing.If in the unit claim for listing equipment for drying, several in these devices can be by same hardware branch
To embody.The use of word first, second, and third does not indicate that any order.These words can be explained and be run after fame
Claim.
Each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be with
The difference of other embodiment, between each embodiment identical similar part mutually referring to.For system embodiment
For, due to itself and embodiment of the method basic simlarity, so description is fairly simple, portion of the related part referring to embodiment of the method
Defend oneself bright.
Claims (10)
1. a kind of charge protection method, is applied to charger, it is characterised in that include：
The electric current of power end input is received, wherein, operating current of the electric current less than the charger；
Detection port power leakage current over the ground；
The leakage current and pre-set current value are compared, comparison result is drawn；
According to comparison result, the charger is controlled to external equipment output services electric current, or control the charger reception institute
State the operating current of power end input.
2. charge protection method according to claim 1, it is characterised in that described according to comparison result, fills described in control
Electrical equipment to external equipment output services electric current, or the step of control the charger and receive the operating current of the power end input
Including：
When the comparison result is that the leakage current is more than the pre-set current value, control signal is generated, by the control
Signal is sent to charger reponse system, and the charger reponse system triggers charge protector according to the control signal,
To forbid the charger to receive the operating current of the power end input.
3. method according to claim 1, it is characterised in that the charger reponse system is touched according to the control signal
The step of sending out charge protector, including：The charger reponse system according to the control signal triggering current foldback circuit,
Overvoltage crowbar or the charging circuit short circuit by the charger.
4. charge protection method according to claim 2, it is characterised in that described according to comparison result, fills described in control
Electrical equipment is to external equipment output services electric current, or controls the step that the charger receives the operating current of the power end input
Suddenly, including：：
When the comparison result is that the leakage current is less than or equal to the pre-set current value, control the charger to
External equipment output services electric current.
5. a kind of charge protection device, is applied to charger, it is characterised in that include：
Receiver module, for receiving the electric current of power end input, wherein, work electricity of the electric current less than the charger
Stream；
Detection module, for detecting port power leakage current over the ground；
Contrast module, for the leakage current and pre-set current value to be compared, draws comparison result；
Control module, for according to comparison result, controlling the charger to external equipment output services electric current, or control is described
Charger receives the operating current of the power end input.
6. charge protection device according to claim 5, it is characterised in that the control module includes：
Stop input submodule, for when the comparison result is that the leakage current is more than the pre-set current value, generating
Control signal, the control signal is sent to charger reponse system, and the charger reponse system is believed according to the control
Number triggering charge protector, to forbid the charger to receive the operating current of the power end input.
7. charge protection device according to claim 5, it is characterised in that the stopping input submodule specifically for：
The charger reponse system is according to control signal triggering current foldback circuit, overvoltage crowbar or will be described
The charging circuit short circuit of charger.
8. charge protection device according to claim 6, it is characterised in that control module includes：
Electric current output sub-module, for being less than or equal to the pre-set current value for the leakage current when the comparison result
When, the charger is controlled to external equipment output services electric current.
9. a kind of charge protector, it is characterised in that the charge protector includes：Charger interface, current detector,
Charger reponse system and charger change-over circuit；
The charger reponse system includes the first output end, the second input, the 3rd control end, and the current detector includes
Second output end, the second input and the second control end, the charger change-over circuit includes the first circuit interface, second electric
Road interface；
The port power of the charger interface is connected with second output end, second input and first circuit
Interface connects；
Circuit between first output end of the charger reponse system and second output end and the port power connects
Connect, the first input end is connected with second input, first control end is controlled with the second of the current detector
System connection.
10. charge protector according to claim 9, it is characterised in that：
When electric current accesses charger, the current detector detects port power leakage current over the ground；
The leakage current and pre-set current value are compared；
The first control end of the charger reponse system is sent a control signal to according to comparison result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611271091.8A CN106655389A (en) | 2016-12-30 | 2016-12-30 | Charging protection method, device and circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611271091.8A CN106655389A (en) | 2016-12-30 | 2016-12-30 | Charging protection method, device and circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106655389A true CN106655389A (en) | 2017-05-10 |
Family
ID=58838231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611271091.8A Pending CN106655389A (en) | 2016-12-30 | 2016-12-30 | Charging protection method, device and circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106655389A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107492933A (en) * | 2017-09-15 | 2017-12-19 | 欧月辉 | A kind of mobile phone anti-electric shock apparatus |
| CN109142953A (en) * | 2018-08-23 | 2019-01-04 | 维沃移动通信有限公司 | Leakage current monitoring method and electronic equipment |
| US11249143B2 (en) | 2017-11-14 | 2022-02-15 | Huawei Technologies Co., Ltd. | Charging apparatus and charging system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120249084A1 (en) * | 2011-04-01 | 2012-10-04 | Vilhauer Reed D | Method and apparatus for managing charging current |
| CN202679047U (en) * | 2012-06-19 | 2013-01-16 | 王洪锋 | Automatic power-off protective charger |
| CN203491732U (en) * | 2013-08-13 | 2014-03-19 | 中兴通讯股份有限公司 | Mobile terminal charger |
| CN103999324A (en) * | 2011-09-09 | 2014-08-20 | 株式会社泰库诺瓦 | Non-contact power supply device for use in mobile body |
| TW201539912A (en) * | 2014-02-11 | 2015-10-16 | Fairchild Semiconductor | USB adapter protection |
| CN105319475A (en) * | 2014-07-31 | 2016-02-10 | 立锜科技股份有限公司 | Abnormal connection detection method |
| CN105486722A (en) * | 2015-01-20 | 2016-04-13 | 台湾快捷国际股份有限公司 | Pollution detection circuit of data line and method |
| CN106100025A (en) * | 2016-06-24 | 2016-11-09 | 青岛海信移动通信技术股份有限公司 | A kind of charge protector, charge protection method and mobile terminal |
-
2016
- 2016-12-30 CN CN201611271091.8A patent/CN106655389A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120249084A1 (en) * | 2011-04-01 | 2012-10-04 | Vilhauer Reed D | Method and apparatus for managing charging current |
| CN103999324A (en) * | 2011-09-09 | 2014-08-20 | 株式会社泰库诺瓦 | Non-contact power supply device for use in mobile body |
| CN202679047U (en) * | 2012-06-19 | 2013-01-16 | 王洪锋 | Automatic power-off protective charger |
| CN203491732U (en) * | 2013-08-13 | 2014-03-19 | 中兴通讯股份有限公司 | Mobile terminal charger |
| TW201539912A (en) * | 2014-02-11 | 2015-10-16 | Fairchild Semiconductor | USB adapter protection |
| CN105319475A (en) * | 2014-07-31 | 2016-02-10 | 立锜科技股份有限公司 | Abnormal connection detection method |
| CN105486722A (en) * | 2015-01-20 | 2016-04-13 | 台湾快捷国际股份有限公司 | Pollution detection circuit of data line and method |
| CN106100025A (en) * | 2016-06-24 | 2016-11-09 | 青岛海信移动通信技术股份有限公司 | A kind of charge protector, charge protection method and mobile terminal |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107492933A (en) * | 2017-09-15 | 2017-12-19 | 欧月辉 | A kind of mobile phone anti-electric shock apparatus |
| US11249143B2 (en) | 2017-11-14 | 2022-02-15 | Huawei Technologies Co., Ltd. | Charging apparatus and charging system |
| CN109142953A (en) * | 2018-08-23 | 2019-01-04 | 维沃移动通信有限公司 | Leakage current monitoring method and electronic equipment |
| CN109142953B (en) * | 2018-08-23 | 2022-02-18 | 维沃移动通信有限公司 | Leakage current monitoring method and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9312680B2 (en) | Leakage current detection interrupter with self-testing function and over-temperature protection function | |
| CN205681098U (en) | Three pole earth leakage protective devices | |
| CN105098884B (en) | The charging equipment and charging method of mobile terminal | |
| US20150188346A1 (en) | Electronic device, charge, and electronic device system | |
| JP5369833B2 (en) | Electric vehicle charger and ground fault detection method | |
| US8964339B2 (en) | Faulty protective earth ground circuit detection system and method | |
| TW201636858A (en) | USB cable | |
| CN208931166U (en) | To the charging station with difference current monitoring of the power storage component charging of electric vehicle | |
| CN106655389A (en) | Charging protection method, device and circuit | |
| CN210652733U (en) | Safety protection fills electric pile | |
| CN106655145A (en) | Battery bus voltage reverse connection protection circuit | |
| CN108281991A (en) | A kind of circuit protection circuit, method and power cable | |
| CN106549468A (en) | A kind of mobile terminal charging data line and charger | |
| CN109342935A (en) | A kind of DC bus charging circuit relay failure detection device, method and motor | |
| CN106314189B (en) | A kind of charge-discharge circuit and automobile | |
| US10554058B2 (en) | Systems and methods for monitoring an operating status of a connector | |
| CN110474402A (en) | Charge current foldback circuit and method | |
| CN104578243A (en) | A method for monitoring the DC voltage charge and a battery management system | |
| JP7235423B2 (en) | Methods, Battery Packs, Appliances, and Systems for Addressing Poor Contacts in Battery Packs | |
| CN207200254U (en) | Power line leakage current detects protection device and electrical appliance | |
| CN110120691A (en) | A kind of charging base | |
| WO2021196399A1 (en) | Protective device and power distribution box having protective device | |
| CN110632524B (en) | Battery pack insulation detection system, battery pack system and working method | |
| CN104142439B (en) | Household electrical appliance | |
| CN110435457A (en) | Portable electric automobile charger with low current function of injecting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
|
| RJ01 | Rejection of invention patent application after publication |