CN107508355B - A kind of voltage control method and charging equipment - Google Patents
A kind of voltage control method and charging equipment Download PDFInfo
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- CN107508355B CN107508355B CN201710800875.3A CN201710800875A CN107508355B CN 107508355 B CN107508355 B CN 107508355B CN 201710800875 A CN201710800875 A CN 201710800875A CN 107508355 B CN107508355 B CN 107508355B
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- 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
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
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Abstract
The present invention provides a kind of voltage control method and charging equipment, solve the problem of that mobile terminal cannot again charge to mobile terminal to short time period after charging adapter transmission stopping charging instruction.Charging equipment of the invention includes: charging circuit, and first switch mould group is provided on charging circuit；Discharge line is connect with charging circuit, second switch mould group is provided on discharge line, first switch mould group closure, when charging circuit is charging work state, second switch mould group is in an off state；Controller, controller are connect with first switch mould group and second switch mould group；When controller receives the stopping charging instruction of mobile terminal transmission, the first control signal that control first switch mould group disconnects is exported to first switch mould group, and the second control signal that the second switch mould group is closed is controlled to the output of second switch mould group, so that discharge line is connected, the current operating voltage of controller can promptly be reduced to the controller standard operating voltage or less.
Description
Technical field
The present invention relates to electronic technology field more particularly to a kind of voltage control methods and charging equipment.
Background technique
Mobile terminal (such as smart phone, tablet computer etc.) often will appear charging during quick charge at present
The security risks such as port temperature is excessively high, charging port is short-circuit need charging adapter to stop to movement when there is security risk
Terminal output voltage, in order to avoid causing safety problem, generally, mobile terminal is sent to charging adapter stops charging instruction, fits
After orchestration receives stopping charging instruction, stops output voltage, i.e., will be 0V by output voltage.At this point, user pulls out charging cable again
When reinserting charging cable, charging adapter cannot still charge to mobile terminal, reduce user experience.
Summary of the invention
The purpose of the present invention is to provide a kind of voltage control method and charging equipments, to solve mobile terminal to charging
Adapter is sent stop charging instruction after, the problem of short time period cannot again charge to mobile terminal.
To achieve the goals above, the present invention provides a kind of charging equipments, and for charging for mobile terminal, feature exists
In the charging equipment includes:
Charging circuit is provided with first switch mould group on the charging circuit；
Discharge line is connect with the charging circuit, and second switch mould group is provided on the discharge line, and described
First switch mould group closure, when the charging circuit is charging work state, the second switch mould group is in an off state；
Controller, the controller are connect with the first switch mould group and the second switch mould group respectively；
Wherein, when the controller receives the stopping charging instruction of mobile terminal transmission, Xiang Suoshu first switch mould group
Output controls the first control signal that the first switch mould group disconnects, and to second switch mould group output control described the
The second control signal of two switching molding groups closure.
To achieve the goals above, the embodiment of the invention also provides a kind of voltage control methods, are applied to as described above
Charging equipment, which comprises
It detects whether to receive the stopping charging instruction that mobile terminal is sent；
If receiving the stopping charging instruction, to the first switch mould group of charging equipment output control described the
The first control signal that one switching molding group disconnects, and opened to the second switch mould group of charging equipment output control described second
The second control signal of Guan Mo group closure.
The embodiment of the present invention has the advantages that
The above-mentioned technical proposal of the embodiment of the present invention is set to the discharge line of charging circuit connection in charging equipment,
When controller receives the stopping charging instruction of mobile terminal transmission, Xiang Suoshu first switch mould group output control described first is opened
The first control signal that Guan Mo group disconnects, and control that the second switch mould group is closed to second switch mould group output the
Two control signals, so that discharge line is connected, the current operating voltage of controller can promptly be reduced to the controller standard
Operating voltage charges to mobile terminal hereinafter, enabling a user to reuse the charging equipment in a short time.
Detailed description of the invention
Fig. 1 is the first structure block diagram of the charging equipment of the embodiment of the present invention；
Fig. 2 is the second structural block diagram of the charging equipment of the embodiment of the present invention；
Fig. 3 is the first work flow diagram of the voltage control method of the embodiment of the present invention；
Fig. 4 is the second work flow diagram of the voltage control method of the embodiment of the present invention；
Fig. 5 is the work flow diagram of the mobile terminal of the embodiment of the present invention.
Specific embodiment
The exemplary embodiment that the present invention will be described in more detail below with reference to accompanying drawings.Although showing the present invention in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the present invention without should be by embodiments set forth here
It is limited.It is to be able to thoroughly understand the present invention on the contrary, providing these embodiments, and can be by the scope of the present invention
It is fully disclosed to those skilled in the art.
After the embodiment of the present invention sends stopping charging instruction to charging adapter for mobile terminal, short time period cannot
Again the problem of charging to mobile terminal, the embodiment of the invention provides a kind of charging equipments, and controller can be made current
Operating voltage be promptly reduced to the controller standard operating voltage hereinafter, so that user can in a short time again
It is charged using the charging equipment to mobile terminal.
The embodiment of the invention provides a kind of charging equipment, which is used to charge for mobile terminal, such as Fig. 1 institute
Show, which includes:
Charging circuit 1 is provided with first switch mould group 11 on the charging circuit 1；
Discharge line 2 is connect with the charging circuit 1, and second switch mould group 21 is provided on the discharge line 2,
And the first switch mould group 11 is closed, when the charging circuit 1 is charging work state, the second switch mould group 21 is in
Off-state；
Controller 3, the controller 3 are connect with the first switch mould group 11 and the second switch mould group 21 respectively；
Wherein, when the controller 3 receives the stopping charging instruction of mobile terminal transmission, Xiang Suoshu first switch mould group
11 outputs control the first control signal that the first switch mould group 11 disconnects, and export and control to the second switch mould group 21
The second control signal that the second switch mould group 21 is closed.
Specifically, controller 3 detects that charging equipment is disconnected with input power, and receive mobile terminal transmission
When stopping charging instruction, the output of Xiang Suoshu first switch mould group 11 controls the first control letter that the first switch mould group 11 disconnects
Number, and the second control signal that the second switch mould group 21 is closed is controlled to the second switch mould group 21 output, so that control
The current control voltage of device processed quickly fall to standard operating voltage in a very short period of time hereinafter, charging equipment again with input
When power supply connects, it can charge again to mobile terminal.
In the embodiment of the present invention, above-mentioned charging circuit 1 includes input terminal and output end, and first switch mould group 11 is set to defeated
Enter between end and output end, input terminal is connect with input power, output end and power receiving equipment (mobile terminal is connect).
Above-mentioned stopping charging instruction is that mobile terminal is sent when detecting preset failure information to charging equipment, the stopping
Charging instruction is used to indicate charging equipment and stops to mobile terminal output voltage.The preset failure information may particularly include mobile whole
The charging port over-voltage at end, overcurrent or temperature are excessively high.
The charging equipment of the embodiment of the present invention, when controller 3 receives the stopping charging instruction of mobile terminal transmission, to institute
It states the output of first switch mould group 11 and controls the first control signal that the first switch mould group 11 disconnects, charging equipment stops to shifting
Dynamic terminal charges, and controls the second control that the second switch mould group 21 is closed to the second switch mould group 21 output
Signal, at this point, discharge line is connected, discharge line discharges to controller, so that the current control voltage of controller is in pole
Standard operating voltage is quickly fallen in the short time hereinafter, the i.e. complete power down of controller, allows users to reuse this
Charging equipment charges to mobile terminal.
Above-mentioned first switch mould group 11 and second switch mould group 21 can be specially metal oxide semiconductor field effect transistor
MOSFET pipe.
Further, the discharge line 2 in the embodiment of the present invention includes: the first incoming end and the second incoming end, and described
One incoming end is connect with the output end of the charging circuit 1, and the second incoming end ground connection, the second switch mould group 21 is arranged
Between first incoming end and second incoming end.
When first switch mould group 11 is closed, and charging circuit 1 is charging work state, second switch mould group 21, which is in, to be disconnected
State does not influence charging equipment and charges to mobile terminal, controls second switch mould according to charging instruction is stopped in controller 3
Group 21 closure when, discharge line 2 be connected, due to the discharge line 2 respectively with controller 3 and connect, in a short time
The current operating voltage of controller 3 can be quickly fallen to standard operating voltage or less in a very short period of time.
It referring to fig. 2, is the another structural schematic diagram of the charging equipment of the embodiment of the present invention, structural schematic diagram shown in Fig. 2
Difference with structural schematic diagram shown in FIG. 1 is that the second incoming end of discharge line 2 and the ground resistance 31 of controller 3 connect
It connects.
Here, it is realized by the way that the second incoming end to be connect with the ground resistance 31 of controller 3 and is grounded the second incoming end
Purpose.
As depicted in figs. 1 and 2, in the charging equipment of the embodiment of the present invention, the discharge line 2 further include:
With the concatenated load 22 of the second switch mould group 21.
The load 22 is specially the ohmic load in fictitious load, and the size of 22 resistance value of load is directly proportional to discharge time,
One timing of voltage difference, load resistance value is smaller, and electric current is bigger, discharges faster.
As depicted in figs. 1 and 2, in the charging equipment of the embodiment of the present invention, the discharge line 2 further include:
With the concatenated diode 23 of the second switch mould group 21.
The anode of specific diode is connect, the cathode of diode and the second incoming end with the first incoming end (load 22)
(second switch mould group 21) connection, the electricity that the second input terminal can be effectively prevent by the way that diode 23 is arranged in discharge line 2
Pressure is higher than the voltage of first input end.
Further, the controller includes the first control terminal and the second control terminal；First control terminal and described the
The connection of one switching molding group, second control terminal are connect with the second switch mould group.Controller can be specially IC chip, such as assist
Discuss IC chip.
When controller is IC chip, above-mentioned first control terminal can be specially general I/O port GPIO0, and above-mentioned the
Two control terminals can be specially GPIO1, and the second input terminal is connect by GPIO2 with ground resistance.
The charging equipment of the embodiment of the present invention, when IC chip receives the stopping charging instruction of mobile terminal transmission, to institute
It states the output of first switch mould group and controls the first control signal that the first switch mould group disconnects, and to the second switch mould group
Output controls the second control signal of the second switch mould group closure, so that discharge line is connected, the current work of IC chip
Voltage can promptly be reduced to the standard operating voltage of the agreement IC chip hereinafter, enabling a user in a short time
The charging equipment is reused to charge to mobile terminal.
The embodiments of the present invention also provide a kind of voltage control methods, are applied to charging equipment as described above, such as Fig. 3
Shown, which includes:
Step 301: detecting whether to receive the stopping charging instruction of mobile terminal transmission.
The stopping charging instruction is that mobile terminal is sent when detecting preset failure information to charging equipment, which fills
Electricity instruction is used to indicate charging equipment and stops to mobile terminal output voltage.The preset failure information may particularly include mobile terminal
Charging port over-voltage, overcurrent or temperature it is excessively high.
Step 302: if receiving the stopping charging instruction, exporting and control to the first switch mould group of the charging equipment
The first control signal that the first switch mould group disconnects is made, and exports control institute to the second switch mould group of the charging equipment
State the second control signal of second switch mould group closure.
Specifically, when controller 3 receives the stopping charging instruction of mobile terminal transmission, Xiang Suoshu first switch mould group 11
Output controls the first control signal that the first switch mould group 11 disconnects, and charging equipment stopping charges to mobile terminal,
And the second control signal that the second switch mould group 21 is closed is controlled to the second switch mould group 21 output, at this point, electric discharge
Line conduction, discharge line discharge to controller, so that the current control voltage of controller is rapid in a very short period of time
Drop to standard operating voltage hereinafter, the i.e. complete power down of controller, allows users to reuse the charging in a short time
Equipment charges to mobile terminal.
Further, above-mentioned steps 302 include:
If receiving the stopping charging instruction, and the charging equipment is disconnected with input power, then filled to described
The first switch mould group output of electric equipment controls the first control signal that the first switch mould group disconnects, and sets to the charging
Standby second switch mould group output controls the second control signal of the second switch mould group closure.
Further, after above-mentioned steps 302, further includes:
If receiving the charging instruction of mobile terminal transmission, and the charging equipment is connect with input power, then Xiang Suoshu
The third that the first switch mould group output of charging equipment controls first switch mould group closure controls signal, and to the charging
The second switch mould group output of equipment controls the 4th control signal that the second switch mould group disconnects.
In the voltage control method of the embodiment of the present invention, the charging instruction of mobile terminal transmission, and charging equipment are received
When connecting again with input power, control charging equipment charges to mobile terminal, and controls discharge circuit and stop electric discharge, makes
User can reuse the charging equipment in a short time and charge to mobile terminal, improve user uses body
It tests.
It is as follows to a concrete application process description of the embodiment of the present invention below.
As shown in figure 4, the application flow includes:
Step 401: whether detection charging equipment disconnects with input power.
Step 402: if the charging equipment is disconnected with input power, judging whether to receive mobile terminal transmission
Stopping charging instruction.
Step 403: if receiving the stopping charging instruction of mobile terminal transmission, star t-up discharge route makes IC chip
Voltage drops to the standard operating voltage of IC chip or less within a preset time.
Specifically, receive mobile terminal transmission stopping charging instruction after, can delay scheduled time, such as 2ms, restart
Discharge line makes the voltage of IC chip drop to the standard operating voltage of IC chip or less (in 2ms) within a preset time.
Step 404: if not receiving the stopping charging instruction of mobile terminal transmission, being not turned on discharge line.
If not receiving the stopping charging instruction of mobile terminal transmission, it is determined that be normal power down process, do not lead at this time
Logical discharge line discharges.
In the embodiment of the present invention, detection charging equipment disconnected with input power, and receive stopping charging instruction after,
Output voltage is dropped to the standard operating voltage of IC chip in 2ms hereinafter, connecting charging equipment with input power again
When connecing, charging equipment can normally charge to mobile terminal, and the excessive time is waited without user, improves user's
Usage experience.
Further, the power receiving equipment of the embodiment of the present invention, i.e. mobile terminal, when detecting preset failure information, to
Charging equipment, which is sent, stops charging instruction, and carries out failure prompting.Specifically, when mobile terminal detects preset failure information,
Failure prompting is carried out by text or voice, allows users to know to charging equipment and has sent stopping charging instruction.
In a specific embodiment of the present invention, as shown in figure 5, the process that mobile terminal carries out failure prompting can be wrapped specifically
It includes:
Step 501: whether detection mobile terminal occurs preset failure.
Here preset failure can include: the excessively high failure of charging port over-voltage, overcurrent or the temperature of mobile terminal.
Step 502: if preset failure occurs for mobile terminal, postponing the first predetermined amount of time, detect mobile terminal again
Whether preset failure is occurred.
First preset time period can be specially 3ms.
Step 503: if detecting that preset failure occurs again, carrying out failure prompting, and send and stop to charging equipment
Charging instruction.
Such as reminded in the display screen of mobile terminal by text, alternatively, prompted by voice, alternatively,
It is prompted simultaneously by voice and text, so that mobile terminal user is known the fault message, enhance the sensory experience of user.
The mobile terminal of the embodiment of the present invention carries out fault detection twice, effectively prevents due to caused by error detection accidentally
Protection, and carry out failure prompting by text or voice, allows users to know to charging equipment and has sent stopping charging instruction,
Enhance the sensory experience of mobile terminal user.
The voltage control method and charging equipment of the embodiment of the present invention, the stopping that controller receives mobile terminal transmission are filled
When electricity instruction, the output of Xiang Suoshu first switch mould group controls the first control signal that the first switch mould group disconnects, and to institute
The second control signal that the output of second switch mould group controls the second switch mould group closure is stated, so that discharge line is connected, control
The current operating voltage of device processed can promptly be reduced to the controller standard operating voltage hereinafter, enabling a user to
The charging equipment is reused in short time to charge to mobile terminal.
The embodiments of the present invention also provide a kind of charging equipments, comprising: memory, processor and storage are on a memory
And the voltage control routine that can be run on a processor, the voltage control routine realize above-mentioned electricity when being executed by the processor
Each process in voltage-controlled embodiment of the method processed, and identical technical effect can be reached, to avoid repeating, which is not described herein again.
The embodiments of the present invention also provide a kind of computer readable storage medium, on the computer readable storage medium
It is stored with voltage control routine, the voltage control routine is realized when being executed by processor in above-mentioned voltage control method embodiment
Each process, and identical technical effect can be reached, to avoid repeating, which is not described herein again.Wherein, the computer can
Storage medium is read, such as read-only memory (Read-Only Memory, abbreviation ROM), random access memory (Random
Access Memory, abbreviation RAM), magnetic or disk etc..
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Claims (8)
1. a kind of charging equipment, for charging for mobile terminal, which is characterized in that the charging equipment includes:
Charging circuit is provided with first switch mould group on the charging circuit；
Discharge line is connect with the charging circuit, and second switch mould group is provided on the discharge line, and described first
Switching molding group closure, when the charging circuit is charging work state, the second switch mould group is in an off state；
Controller, the controller are connect with the first switch mould group and the second switch mould group respectively；
Wherein, when the controller receives the stopping charging instruction of mobile terminal transmission, the output of Xiang Suoshu first switch mould group
The first control signal that the first switch mould group disconnects is controlled, and is opened to second switch mould group output control described second
The second control signal of Guan Mo group closure；
The discharge line includes: the first incoming end and the second incoming end, and first incoming end is defeated with the charging circuit
Outlet connection, the second incoming end ground connection, the second switch mould group are set to first incoming end and described second and connect
Enter between end；
Second incoming end is connect with the ground resistance of the controller.
2. charging equipment according to claim 1, which is characterized in that the discharge line further include:
With the concatenated load of second switch mould group.
3. charging equipment according to claim 1, which is characterized in that the discharge line further include:
With the concatenated diode of second switch mould group.
4. charging equipment according to claim 1, which is characterized in that the controller includes the first control terminal and the second control
End processed；
First control terminal is connect with the first switch mould group, and second control terminal and the second switch mould group connect
It connects.
5. charging equipment according to claim 1, which is characterized in that the controller is IC chip.
6. a kind of voltage control method is applied to charging equipment as described in any one in claim 1-5, which is characterized in that institute
The method of stating includes:
It detects whether to receive the stopping charging instruction that mobile terminal is sent；
If receiving the stopping charging instruction, opened to the first switch mould group of charging equipment output control described first
The first control signal that Guan Mo group disconnects, and the second switch mould is controlled to the output of the second switch mould group of the charging equipment
The second control signal of group closure.
7. voltage control method according to claim 6, which is characterized in that if receiving the stopping charging instruction,
The first control signal that the first switch mould group disconnects is controlled to the output of the first switch mould group of the charging equipment, and to institute
The step of stating the second control signal of the second switch mould group output control second switch mould group closure of charging equipment, packet
It includes:
If receiving the stopping charging instruction, and the charging equipment is disconnected with input power, then set to the charging
Standby first switch mould group output controls the first control signal that the first switch mould group disconnects, and to the charging equipment
The output of second switch mould group controls the second control signal of the second switch mould group closure.
8. voltage control method according to claim 6, which is characterized in that if receiving the stopping charging instruction,
The first control signal that the first switch mould group disconnects is controlled to the output of the first switch mould group of the charging equipment, and to institute
After the step of stating the second control signal of the second switch mould group output control second switch mould group closure of charging equipment,
Further include:
If receiving the charging instruction of mobile terminal transmission, and the charging equipment is connect with input power, then to the charging
The third that the first switch mould group output of equipment controls first switch mould group closure controls signal, and to the charging equipment
The output of second switch mould group control the 4th control signal that the second switch mould group disconnects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710800875.3A CN107508355B (en) | 2017-09-07 | 2017-09-07 | A kind of voltage control method and charging equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710800875.3A CN107508355B (en) | 2017-09-07 | 2017-09-07 | A kind of voltage control method and charging equipment |
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| CN107508355A CN107508355A (en) | 2017-12-22 |
| CN107508355B true CN107508355B (en) | 2019-03-01 |
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| CN201710800875.3A Active CN107508355B (en) | 2017-09-07 | 2017-09-07 | A kind of voltage control method and charging equipment |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020062306A1 (en) | 2018-09-30 | 2020-04-02 | Oppo广东移动通信有限公司 | Test method and system for instruction time, and computer storage medium |
| CN114123381A (en) * | 2021-10-22 | 2022-03-01 | 维沃移动通信有限公司 | Voltage control method, circuit and device of charging device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079176C (en) * | 1999-03-11 | 2002-02-13 | 神达电脑股份有限公司 | Charging-discharging device |
| EP1983600A1 (en) * | 2007-04-18 | 2008-10-22 | Jae Jin Jung | Electrical circuit for decomposing and removing a solid material from a secondary battery |
| JP4728303B2 (en) * | 2007-08-31 | 2011-07-20 | パナソニック株式会社 | Charging circuit, battery pack including the same, and charging system |
| US9425631B2 (en) * | 2012-02-27 | 2016-08-23 | Infineon Technologies Austria Ag | System and method for battery management |
| CN104158255B (en) * | 2014-08-20 | 2017-09-26 | 矽力杰半导体技术(杭州)有限公司 | Management of charging and discharging system and its portable power source of application |
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