CN208401562U - A kind of indicating circuit being used to indicate charging process and terminal - Google Patents
A kind of indicating circuit being used to indicate charging process and terminal Download PDFInfo
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- CN208401562U CN208401562U CN201820447257.5U CN201820447257U CN208401562U CN 208401562 U CN208401562 U CN 208401562U CN 201820447257 U CN201820447257 U CN 201820447257U CN 208401562 U CN208401562 U CN 208401562U
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Abstract
The utility model embodiment is related to circuit field more particularly to a kind of indicating circuit for being used to indicate charging process and terminal, to solve the problems, such as that indicator light cannot indicate in trickle charging process in the prior art.The utility model embodiment provides indicating circuit, the first switch module including the first indicator light and ground connection setting；For being electrically connected with charging equipment, the second end of the first indicator light is electrically connected the first end of first indicator light with the second end of first switch module；The first end of first switch module with the output end of charging equipment for being electrically connected, first switch module is used under the control for the charging signals that the output end of charging equipment exports be closed, so that shining under the action of potential difference of first indicator light between charging equipment and first switch module.It realizes and trickle charging process can indicate that by the first indicator light.
Description
Technical field
The utility model embodiment be related to circuit field more particularly to a kind of indicating circuit for being used to indicate charging process and
Terminal.
Background technique
Currently, most of terminal is all powered using battery；Such as mobile phone, tablet computer etc..End cell terminal
The charging process of charging equipment can be divided into multiple stages.By taking lithium ion battery as an example, the charging process point of lithium ion battery
For four-stage: trickle charge, constant-current charge, constant-voltage charge and charging termination.The charging modes of lithium ion battery are constant pressures
Constant current is integrated circuit (integrated circuit, abbreviation IC) chip controls.Typical charging modes are: first detecting
The voltage of battery to be charged will first carry out trickle charge if voltage is lower than trickle charge voltage threshold.Until voltage is raised to
After trickle charge voltage threshold, into constant-current charge process.I.e. trickle charge is used to carry out the lithium ion battery to discharge completely
Restorative charging.
Trickle charge is so that battery is entered the stage of constant-current charge as early as possible in order to raise cell voltage, ensures the property of battery
Energy and service life.However, in the prior art, there are problems that indicator light can not be lighted in trickle charging process, cause user can not
Know whether terminal has charged.
Utility model content
The utility model embodiment provides a kind of indicating circuit for being used to indicate charging process and terminal, existing to solve
The problem of indicator light cannot indicate in trickle charging process in technology.
The utility model embodiment provides a kind of indicating circuit for being used to indicate charging process, comprising: the first indicator light and
It is grounded the first switch module of setting；The first end of first indicator light with charging equipment for being electrically connected, and described first
The second end of indicator light is electrically connected with the second end of the first switch module；The first end of the first switch module be used for
The output end of charging equipment is electrically connected, and the first switch module is used for the charging letter exported in the output end of the charging equipment
Number control under be closed so that first indicator light is between the charging equipment and the first switch module
It shines under the action of potential difference.
Due to when charging equipment charges to the charging equipment, being connected first in the utility model embodiment
Switch module, since the potential of ground terminal in first switch module is zero so that the potential of the second end of first switch module with
The potential of ground terminal is identical；Therefore, the potential of the second end of the first indicator light is also zero.And work as charging equipment to described wait fill
When electric equipment is charged, the voltage of charging equipment is increased rapidly, so that the potential of the first end of the first indicator light rises rapidly
To certain value, in this way, foring potential difference between the first end and second end of the first indicator light, the first indicator light is in potential difference
Under the action of shine.It realizes when charging equipment output end exports charging signals, the first indicator light can shine；And then it can be with
It realizes in the case where low cost, trickle charging process can indicate that by the first indicator light.
In order to realize instruction charging complete, a kind of optional mode is that the first indicator light extinguishes.Optionally, the instruction electricity
Road further includes the second switch module of ground connection setting；The first end of the second switch module be used for it is the first of processor general
Input/output or bus extender GPIO electrical connection；The second end of the second switch module and the first switch module
First end electrical connection；The second switch module is used to be closed when the first GPIO exports first control signal, to make
It obtains the first switch module disconnection and first indicator light extinguishes.
The charging process of usual charging equipment is divided into four-stage: trickle charge, constant-current charge, constant-voltage charge and filling
Electricity terminates.The indicating circuit of trickle charge can be identical as the indicating circuit of constant current, constant-voltage charge, can not also be identical, following
Give the indicating circuit of trickle charge and the different optionally indicating circuit of indicating circuit of constant current, constant-voltage charge.Into one
Step can also disconnect the circuit of first indicator light by processor when determining charging complete according to the indicating circuit, into
And indicate charging complete.
Optionally, the indicating circuit further includes the third switch module of ground connection setting；The of the third switch module
Two ends are electrically connected with the second end of first indicator light；The first end of the third switch module is used for and the processor
2nd GPIO electrical connection, the third switch module are used to be closed when the 2nd GPIO exports second control signal, thus
So that shining under the action of potential difference of first indicator light between the charging equipment and the third switch module；
It is disconnected in the 2nd GPIO output third control signal, so that first indicator light extinguishes.
The instruction of charging complete can both be indicated by the circuit of the extinguishing of above-mentioned first indicator light, can also use second
Indicator light shows the color different from the first indicator light to indicate.Optionally, the indicating circuit further include the second indicator light and
It is grounded the 4th switch module of setting；The first end of second indicator light is described for being electrically connected with the charging equipment
The second end of second indicator light is electrically connected with the second end of the 4th switch module；The first end of 4th switch module with
3rd GPIO of the processor is electrically connected, and the 4th switch module is used in the 4th control signal of the 3rd GPIO output
When be closed so that potential difference of second indicator light between the charging equipment and the 4th switch module
Effect is lower to shine.
Optionally, the first switch module, the second switch module, the third switch module and the described 4th are opened
Closing module includes triode；The first end of the first switch module, the first end of the second switch module, the third
The first end of switch module and the first end of the 4th switch module are the base stage of triode；The first switch module
Second end, the second end of the second switch module, the second end of the third switch module and the 4th switch module
Second end is the collector of triode；The ground terminal of the first switch module, the ground terminal of the second switch module, institute
The ground terminal of the ground terminal and the 4th switch module of stating third switch module is the emitter of triode.
In order to prevent because the electric current for flowing through triode is larger, triode is damaged.Optionally, the base of the first switch module
Pole is also connected with base stage current-limiting resistance.
The utility model embodiment provides a kind of terminal, including above-mentioned indicating circuit.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly introduced, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art, without any creative labor, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is a kind of indicating circuit schematic diagram for being used to indicate charging process provided by the embodiment of the utility model；
Fig. 2 is the indicating circuit schematic diagram that another kind provided by the embodiment of the utility model is used to indicate charging process；
Fig. 3 is the indicating circuit schematic diagram that another kind provided by the embodiment of the utility model is used to indicate charging process；
Fig. 4 is the indicating circuit schematic diagram that another kind provided by the embodiment of the utility model is used to indicate charging process；
Fig. 5 is the indicating circuit schematic diagram that another kind provided by the embodiment of the utility model is used to indicate charging process；
Fig. 6 is that first switch module and second is opened in indicating circuit corresponding with Fig. 2 provided by the embodiment of the utility model
Close the indicating circuit schematic diagram that module includes triode；
Fig. 7 is first switch module, second switch in indicating circuit corresponding with Fig. 3 provided by the embodiment of the utility model
Module and third switch module include the indicating circuit of triode；
Fig. 8 is first switch module, second switch in indicating circuit corresponding with Fig. 4 provided by the embodiment of the utility model
Module, the 4th switch module include the indicating circuit schematic diagram of triode；
Fig. 9 is first switch module, second switch in indicating circuit corresponding with Fig. 5 provided by the embodiment of the utility model
Module, third switch module and the 4th switch module include the indicating circuit schematic diagram of triode；
Figure 10 is the indicating circuit schematic diagram that another kind provided by the embodiment of the utility model is used to indicate charging process.
Specific embodiment
It is practical to this below in conjunction with attached drawing in order to keep the purpose of this utility model, technical solution and advantage clearer
It is novel to be described in further detail, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work
Under the premise of all other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 shows a kind of indicating circuit schematic diagram for being used to indicate charging process using the utility model embodiment.
As shown in Figure 1, the indicating circuit includes the first switch module 20 of the first indicator light 10 and ground connection setting；First indicator light
10 include first end 101 and second end 102；The first switch module includes first end 201 and second end 202；Described first
The first end 101 of indicator light 10 with charging equipment for be electrically connected, the second end 102 of first indicator light 10 and described the
The second end 202 of one switch module 20 is electrically connected；The first end 201 of the first switch module 20 is for defeated with charging equipment
Outlet electrical connection, the first switch module 20 are used under the control for the charging signals that the output end of the charging equipment exports
Closure, so that potential difference of first indicator light 10 between the charging equipment and the first switch module 20
Under the action of shine.
In the utility model embodiment, when charging equipment charges to the charging equipment, first switch is connected
Module, since the potential of ground terminal in first switch module is zero, so that the potential of the second end of first switch module and ground connection
The potential at end is identical；Therefore, the potential of the second end 102 of the first indicator light is also zero.And work as charging equipment to described wait fill
When electric equipment is charged, the voltage of charging equipment is increased rapidly, so that the potential of the first end of the first indicator light rises rapidly
To certain value, in this way, foring potential difference between the first end and second end of the first indicator light, the first indicator light is in potential difference
Under the action of shine.It realizes when charging equipment output end exports charging signals, the first indicator light can shine；And then it can be with
It realizes in the case where low cost, trickle charging process can indicate that by the first indicator light.
In order to realize instruction charging complete, the indicating circuit further includes the second switch module 30 of ground connection setting；Fig. 2 shows
The indicating circuit schematic diagram of charging process is gone out to be used to indicate using the another kind of the utility model embodiment, as shown in Fig. 2, should
Indicating circuit includes the first indicator light 10, first switch module 20 and second switch module 30；The second switch module 30 is wrapped
Include first end 301 and second end 302, the first end 301 of the second switch module 30 be used for it is the first of processor general defeated
Enter/export or bus extender GPIO is electrically connected；The second end 302 of the second switch module 30 and the first switch module
20 first end 201 is electrically connected；The second switch module 30 is used to close when the first GPIO exports first control signal
It closes, so that the first switch module 20 disconnects and first indicator light 10 extinguishes.First indicator light 10 and first is opened
Close module 20 it is identical as in Fig. 1, and the connection relationship between the first indicator light 10 and first switch module 20 also with Fig. 1 phase
Together, details are not described herein.
When charging is complete, indicating circuit specifically indicates process are as follows: processor is controlled to the first GPIO output first
Second switch module is connected in signal processed, first control signal, and the potential for being grounded the second switch module ground end of setting is
Zero；The second end of second switch module is electrically connected with the first end of first switch module, when the conducting of second switch module, second
The second end of switch module drags down the first end of first switch module, so that first switch module disconnects, and then makes described first
The circuit of indicator light disconnects, and the first indicator light extinguishes, to indicate charging complete.
Optionally, indicating circuit shown in Fig. 2 can also be only used for instruction trickle charging process, described in processor determination
At the end of charging equipment trickle charging process, first control signal is exported to the first GPIO, so that the first indicator light extinguishes, into
And indicating trickle charge terminates.
The charging process of usual charging equipment is divided into four-stage: trickle charge, constant-current charge, constant-voltage charge and filling
Electricity terminates.The indicating circuit of trickle charge can be identical with the indicating circuit of constant current, constant-voltage charge, can not also be identical, identical
The case where as shown in Fig. 2, Fig. 3 indicate the different situation of indicating circuit.Fig. 3 is shown using the another of the utility model embodiment
A kind of indicating circuit schematic diagram being used to indicate charging process；As shown in figure 3, the indicating circuit includes the first indicator light 10, the
One switch module 20, second switch module 30 and third switch module 40；Wherein, the third switch module 40 for being grounded setting includes
First end 401 and second end 402；The second end of the second end 402 of the third switch module 40 and first indicator light 10
102 electrical connections；The first end 401 of the third switch module 40 is described for being electrically connected with the 2nd GPIO of the processor
Third switch module 40 is used to be closed when the 2nd GPIO exports second control signal, so that first indicator light
It shines under the action of 10 potential difference between the charging equipment and the third switch module 40；In the 2nd GPIO
It is disconnected when output third control signal, so that first indicator light 10 extinguishes.First indicator light 10,20 and of first switch module
Second switch module 30 and connection relationship between them are identical as Fig. 2, and details are not described herein.
In the utility model embodiment, in trickle charging process, the conducting of first switch module can make the first instruction
Lamp is bright, realizes the process that trickle charge is indicated by the first indicator light.When trickle charge is completed, processor is defeated to the first GPIO
First control signal out, the conducting of second switch module, first switch module disconnect, so that the circuit of the first indicator light disconnects.For
Prevent the first indicator light from extinguishing, the utility model embodiment processor is while exporting first control signal to the first GPIO
Second control signal is exported to the 2nd GPIO, so that third switch module is connected while first switch module disconnects, so that the
The both ends of one indicator light form potential difference, and then shine under the action of potential difference, realize instruction constant current, constant-voltage charge mistake
Journey.And from trickle charge to constant current, during constant-voltage charge, indicator light is not in the phenomenon that sudden strain of a muscle is gone out.
Further, when entering the final stage of charging, processor controls signal to the 2nd GPIO output third, so that
Third switch module disconnects, that is, is disconnected the circuit of the first indicator light, and the first indicator light extinguishes；Indicate charging complete.
It, can be with different from the first indicator light in order to which clear indication goes out charging complete in the utility model embodiment
The color of display indicates charging complete, can also indicate charging complete with different indicator lights；Thus introduce the second instruction
Lamp 60.Fig. 4 shows the indicating circuit schematic diagram that charging process is used to indicate using the another kind of the utility model embodiment；Such as
Shown in Fig. 4, the indicating circuit include the first indicator light 10, first switch module 20, second switch module 30, ground connection setting the
Four switch modules 50 and the second indicator light 60；Second indicator light includes first end 601 and second end 602, and the described 4th opens
Closing module includes first end 601 and second end 602；The first end 601 of second indicator light 60 is used to be charged set with described
Standby electrical connection, the second end 602 of second indicator light 60 are electrically connected with the second end 502 of the 4th switch module 50；Institute
The first end 501 for stating the 4th switch module 50 is electrically connected with the 3rd GPIO of the processor, and the 4th switch module 50 is used
It is closed in the 4th control signal of the 3rd GPIO output, so that second indicator light 60 to be charged is set described
It shines under the action of the standby potential difference between the 4th switch module.First indicator light 10, first switch module 20
And second switch module 30 and connection relationship between them it is identical as in Fig. 2, details are not described herein；
Instruction trickle charge, constant current, perseverance may be implemented by the first indicator light, first switch module and second switch module
Charging process is pressed, when charging is complete, can show by the second indicator light different from the color expression of the first indicator light or the
Two indicator lights are lighted.Specifically: while processor exports first control signal to the first GPIO, to the 4th switch module
The 4th control signal is exported, while so that the first indicator light extinguishes, the second indicator light shines.In this way, can be with clear indication
Charging complete out.
In the utility model embodiment, the first indicator light and the second indicator light can be light emitting diode, described luminous two
Pole pipe includes anode and cathode；The first end of first indicator light 10 and second indicator light 60 is anode, and second end is
Cathode.First indicator light can be displayed in red, and the second indicator light can show green.
On the basis of realization can indicate that charging complete, indicate that the circuit of trickle charging process can be permanent with instruction
Stream, the circuit of constant-voltage charge be not identical.Fig. 5, which is shown, is used to indicate charging process using the another kind of the utility model embodiment
Indicating circuit schematic diagram；As shown in figure 5, the indicating circuit includes the first indicator light 10, first switch module 20, second switch
The 4th switch module 50 and the second indicator light 60 that module 30, third switch module 40, ground connection are arranged；First indicator light
10, in first switch module 20, second switch module 30 and the 4th switch module 50 and connection relationship and Fig. 4 between them
It is identical, details are not described herein；The connection relationship of the third switch module 40 and third switch module and the first indicator light
Identical as in Fig. 3, details are not described herein.The indicating circuit realizes trickle charge and constant current, constant voltage charging circuit difference, and
Trickle charge is indicated by the first indicator light, and after the completion of trickle charge, the first indicator light can extinguish；Second indicator light refers to
Show constant current, constant-voltage charge, after charging complete, the second indicator light also extinguishes.
In the utility model embodiment, the first switch module, the second switch module, the third switch module
It include triode with the 4th switch module；Fig. 6 shows first switch module and in indicating circuit corresponding with Fig. 2
Two switch modules include the indicating circuit schematic diagram of triode；Fig. 7 shows first switch mould in indicating circuit corresponding with Fig. 3
Block, second switch module and third switch module include the indicating circuit schematic diagram of triode；Fig. 8 shows corresponding with Fig. 4
First switch module, second switch module, the 4th switch module include the indicating circuit schematic diagram of triode in indicating circuit；Figure
9 show first switch module in indicating circuit corresponding with Fig. 5, second switch module, third switch module and the 4th switch
Module includes the indicating circuit schematic diagram of triode；As Figure 6-9, the first end of the first switch module, described second
The first end of the first end of switch module, the first end of the third switch module and the 4th switch module is triode
Base stage；The second end of the first switch module, the second end of the second switch module, the third switch module
The second end of two ends and the 4th switch module is the collector of triode；The ground terminal of the first switch module, institute
The ground terminal for stating the ground terminal of second switch module, the ground terminal of the third switch module and the 4th switch module is
The emitter of triode.
In order to prevent because the electric current for flowing through triode is larger, triode is damaged；Optionally, the first switch module 20
Base stage is also connected with base stage current-limiting resistance 70；Optional second switch module 30, third switch module 40 and the 4th switch module
50 also can connect base stage current-limiting resistance.
Optionally, in order to control the overcurrent of the first indicator light and the second indicator light, the first switch module includes protection
Resistance 204, third switch module include protective resistance 404, and the 4th switch module includes protective resistance 504.For the ease of
The explanation of indicating circuit, Figure 10 show the instruction electricity that charging process is used to indicate using the another kind of the utility model embodiment
Road schematic diagram；As shown in Figure 10, the resistance 204, resistance 404 and resistance 504 are connect with the collector of triode respectively；Institute
The first indicator light 10, the second indicator light 60, first switch mould 20, second switch module 30, third switch module the 40, the 4th is stated to open
It closes module 50 and connection relationship between them is identical as in Fig. 1 to 9, details are not described herein.
In the utility model embodiment, the first GPIO, the 2nd GPIO and the 3rd GPIO be can be three in same processor
A interface is also possible in different processors.Fig. 1 is convenient for drawing, by the first GPIO, the 2nd GPIO and third into Figure 10
GPIO is shown respectively.
The utility model embodiment provides a kind of terminal, including any situation in indicating circuit described above.
Based on the same technical idea, the utility model embodiment provides a kind of instruction terminal charging equipment charging process
's.Based on indicating circuit shown in Fig. 2, instruction terminal charging equipment charging process includes: the processor described in
First universal input/output or bus extender GPIO export first control signal, and the second switch module is described first
It is closed under the action of control signal and the first switch module disconnects, so that first indicator light 10 extinguishes.
Optionally, it is based on indicating circuit shown in Fig. 3, it is described further include: the processor is exporting first control
When signal, second control signal is exported by the 2nd GPIO, the third switch module is in the second control signal
The lower closure of effect, so that first indicator light 10 shines.
Optionally, it is based on Fig. 4 and indicating circuit shown in fig. 5, it is described further include: the processor is determining described wait fill
When electric equipment is fully charged, third is exported by the 2nd GPIO and controls signal, the third switch module 40 is described second
It is disconnected under the action of control signal, so that first indicator light 10 extinguishes；Pass through the 4th control letter of the 3rd GPIO output
Number when, the 4th switch module close at it is described 4th control signal under the action of be closed so that second indicator light 60
It shines.
It can be seen from the above: in the utility model embodiment, when charging equipment carries out the charging equipment
When charging, first switch module is connected, since the potential of ground terminal in first switch module is zero, so that first switch module
The potential of second end and the potential of ground terminal are identical；Therefore, the potential of the second end 102 of the first indicator light is also zero.And work as
When charging equipment charges to the charging equipment, the voltage of charging equipment is increased rapidly, so that the first indicator light
The potential of first end is rapidly brought up to certain value, in this way, potential difference is formd between the first end and second end of the first indicator light,
First indicator light shines under the action of potential difference.Realize the first instruction when charging equipment output end exports charging signals
Lamp can shine；And then may be implemented in the case where low cost, trickle charging process can indicate that by the first indicator light.
Although the preferred embodiment of the utility model has been described, once a person skilled in the art knows basic
Creative concept, then additional changes and modifications may be made to these embodiments.It is wrapped so the following claims are intended to be interpreted as
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (7)
1. a kind of indicating circuit for being used to indicate charging process characterized by comprising
The first switch module of first indicator light and ground connection setting；
The first end of first indicator light for being electrically connected with charging equipment, the second end of first indicator light with it is described
The second end of first switch module is electrically connected；
For being electrically connected with the output end of charging equipment, the first switch module is used for the first end of the first switch module
It is closed under the control for the charging signals that the output end of the charging equipment exports, so that first indicator light is described
It shines under the action of potential difference between charging equipment and the first switch module.
2. indicating circuit as described in claim 1, which is characterized in that the indicating circuit further includes being grounded the second of setting to open
Close module；
The first end of the second switch module is used for the first universal input/output or bus extender GPIO electricity with processor
Connection；
The second end of the second switch module is electrically connected with the first end of the first switch module；The second switch module
For being closed when the first GPIO exports first control signal, so that the first switch module disconnects and described first refers to
Show that lamp extinguishes.
3. indicating circuit as claimed in claim 2, which is characterized in that the indicating circuit further includes that the third of ground connection setting is opened
Close module；
The second end of the third switch module is electrically connected with the second end of first indicator light；
The first end of the third switch module with the 2nd GPIO of the processor for being electrically connected, the third switch module
For being closed when the 2nd GPIO exports second control signal, so that first indicator light to be charged is set described
It shines under the action of the standby potential difference between the third switch module；In the 2nd GPIO output third control signal
It disconnects, so that first indicator light extinguishes.
4. indicating circuit as claimed in claim 2 or claim 3, which is characterized in that the indicating circuit further include the second indicator light and
It is grounded the 4th switch module of setting；
The first end of second indicator light for be electrically connected with the charging equipment, the second end of second indicator light and
The second end of 4th switch module is electrically connected；
The first end of 4th switch module is electrically connected with the 3rd GPIO of the processor, and the 4th switch module is used for
The 3rd GPIO output the 4th control signal when be closed so that second indicator light the charging equipment with
It shines under the action of potential difference between 4th switch module.
5. circuit as claimed in claim 4, which is characterized in that the first switch module, the second switch module, third
Switch module and the 4th switch module include triode；
The first end of the first switch module, the first end of the second switch module, the third switch module first
The first end of end and the 4th switch module is the base stage of triode；
The second end of the first switch module, the second end of the second switch module, the third switch module second
The second end of end and the 4th switch module is the collector of triode；
The ground connection of the ground terminal of the first switch module, the ground terminal of the second switch module, the third switch module
The ground terminal of end and the 4th switch module is the emitter of triode.
6. circuit as claimed in claim 5, which is characterized in that the base stage of the first switch module is also connected with base stage current limliting
Resistance.
7. a kind of terminal, which is characterized in that including the described in any item indicating circuits of the claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820447257.5U CN208401562U (en) | 2018-03-30 | 2018-03-30 | A kind of indicating circuit being used to indicate charging process and terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820447257.5U CN208401562U (en) | 2018-03-30 | 2018-03-30 | A kind of indicating circuit being used to indicate charging process and terminal |
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| Publication Number | Publication Date |
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| CN208401562U true CN208401562U (en) | 2019-01-18 |
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| CN201820447257.5U Active CN208401562U (en) | 2018-03-30 | 2018-03-30 | A kind of indicating circuit being used to indicate charging process and terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108270275A (en) * | 2018-03-30 | 2018-07-10 | 上海创功通讯技术有限公司 | A kind of indicating circuit for being used to indicate charging process, method and terminal |
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2018
- 2018-03-30 CN CN201820447257.5U patent/CN208401562U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108270275A (en) * | 2018-03-30 | 2018-07-10 | 上海创功通讯技术有限公司 | A kind of indicating circuit for being used to indicate charging process, method and terminal |
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