CN109617166A - Charging equipment for mobile phone and mobile phone protecting case - Google Patents
Charging equipment for mobile phone and mobile phone protecting case Download PDFInfo
- Publication number
- CN109617166A CN109617166A CN201811569798.6A CN201811569798A CN109617166A CN 109617166 A CN109617166 A CN 109617166A CN 201811569798 A CN201811569798 A CN 201811569798A CN 109617166 A CN109617166 A CN 109617166A
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- Prior art keywords
- mobile phone
- processing module
- pin
- charging equipment
- usb
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Classifications
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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
-
- 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
- H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
This application involves a kind of charging equipment for mobile phone and mobile phone protecting cases, and wherein described device includes: processing module, and the processing module is electrically connected with a touch panel；Voltage stabilizing module, the Voltage stabilizing module are electrically connected for powering for processing module with the processing module；Mother's USB mouth, mother's USB mouth are electrically connected for couple in adapter with the processing module；USB male joint, the USB male joint are electrically connected for connecting with mobile phone, by the USB male joint with the processing module to realize the processing module and mobile phone progress usb communication and charge to the mobile phone.The present invention realizes the free switching function of charging circuit, can not influence external circuit charging, and external charging circuit can be switched to by being inserted into external adapter by USB female, facilitates the operation of user, improves the satisfaction that user uses.
Description
Technical field
The present invention relates to technical field of circuit design, more particularly to a kind of charging equipment for mobile phone and mobile phone protecting case.
Background technique
Currently, with advances in technology and development, extensive popularization has been obtained in current smart phone, almost each
All have a smart phone in manpower, and in smart phone in use, its intelligence has brought great convenience, but
Current smart phone haves the shortcomings that one very big, i.e. the service time of battery of smart phone is short, needs charging repeatedly,
It needs to carry out charging at least once in i.e. one day, is just able to satisfy the requirement of user in this way, and for some smart phones
For, battery uses the time even more shorter, and charging more than twice is notably needed in one day.
In the conventional technology, common mobile phone shell does not have charge function substantially, even if having charge function, is giving hand
When machine is charged, it can not realize the free switching of external charging circuit and charge inside circuit, greatly reduce
The satisfaction that user uses.
Summary of the invention
Based on this, it is necessary in view of the above technical problems, provide a kind of mobile phone that charging circuit free switching may be implemented
Charging unit and mobile phone protecting case.
A kind of charging equipment for mobile phone, the charging equipment for mobile phone include:
Processing module, the processing module are electrically connected with a touch panel；
Voltage stabilizing module, the Voltage stabilizing module are electrically connected for powering for processing module with the processing module；
Mother's USB mouth, mother's USB mouth are electrically connected for couple in adapter with the processing module；
USB male joint, the USB male joint are electrically connected by the USB male joint with the processing module for connecting with mobile phone
To realize the processing module and mobile phone progress usb communication and charge to the mobile phone.
In one of the embodiments, the processing module include: pin PA0, pin PA1, pin PA2, pin PA3,
Pin D- and pin D+；
Wherein, the processing module carries out usb communication by the pin D- and pin D+ and the mobile phone.
The pin PA3 is connect with the grid of a NMOS tube in one of the embodiments,；The drain electrode of the NMOS tube with
The USB male joint connection；A switch is parallel between the source electrode and drain electrode of the NMOS tube.
The processing module in one of the embodiments, further include: the first triode, the second triode, the three or three pole
Pipe, the 4th triode, the first PMOS tube and the 2nd POMS pipe；
Wherein, the ground level of first triode is connect with the pin PA0, the collector of first triode and
The ground level of two triodes connects；
The collector of second triode is connect with the source electrode and grid of the first PMOS tube and the second PMOS tube respectively；
The ground level of the third transistor is connect with the pin PA1, and the collector of the third transistor is respectively with
One PMOS tube is connected with the source electrode of the second PMOS tube with grid；
The ground level of 4th triode is connect with the drain electrode of second PMOS tube.
Mother's USB mouth is connect with the drain electrode of second PMOS tube in one of the embodiments,.
The processing module further includes SDA interface and SCL interface in one of the embodiments, and the processing module is logical
It crosses the SDA interface and SCL is connect with the touch panel.
The range of the input voltage of the Voltage stabilizing module in one of the embodiments: 3.3-12V；The voltage of output is
3.3V。
A kind of mobile phone protecting case, the mobile phone protecting case include: mobile phone protecting case ontology and are set to the mobile phone and protect
Charging equipment for mobile phone described in any of the above embodiments on protective case ontology.
The present invention provides a kind of charging equipment for mobile phone, described device includes: processing module, the processing module and a touching
Control panel electrical connection；Voltage stabilizing module, the Voltage stabilizing module are electrically connected for powering for processing module with the processing module；USB
Female mouth, mother's USB mouth are electrically connected for couple in adapter with the processing module；USB male joint, the USB male joint be used for
Mobile phone connection is electrically connected by the USB male joint with the processing module to realize that the processing module and the mobile phone carry out
It usb communication and charges to the mobile phone.The present invention realizes the free switching function of charging circuit, can not influence outside
Circuit charging, external charging circuit can be switched to by being inserted into external adapter by USB female, facilitated the operation of user, mentioned
The satisfaction that high user uses.
The present invention provides a kind of mobile phone protecting case, the mobile phone protecting case includes: mobile phone protecting case ontology and setting
Charging equipment for mobile phone on the mobile phone protecting case ontology.The present invention realizes the free switching function of charging circuit, can not
External circuit charging is influenced, external charging circuit can be switched to by being inserted into external adapter by USB female, facilitate user's
Operation, improves the satisfaction that user uses.
Detailed description of the invention
Fig. 1 is the modular structure block diagram of the charging equipment for mobile phone in one embodiment；
Fig. 2 is the circuit diagram of processing module in charging equipment for mobile phone in one embodiment；
Fig. 3 is the circuit diagram of USB male joint in charging equipment for mobile phone in one embodiment；
The circuit diagram that Fig. 4 is processing module U1 in charging equipment for mobile phone in one embodiment；
Fig. 5 is the circuit diagram of mother's USB mouth in charging equipment for mobile phone in one embodiment；
Fig. 6 is the circuit diagram of Voltage stabilizing module in charging equipment for mobile phone in one embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, and
It is not used in restriction the application.
It is appreciated that term " first " used in this application, " second " etc. can be used to describe various elements herein,
But these elements should not be limited by these terms.These terms are only used to distinguish the first element from the other element.Citing comes
It says, in the case where not departing from scope of the present application, the first POMS can be managed and be known as the 2nd POMS pipe, and similarly, can incited somebody to action
2nd POMS pipe is known as the first POMS pipe.Both POMS is managed for first POMS pipe and the 2nd POMS pipe, but it is not same
POMS pipe.
In one embodiment, with reference to Fig. 1, a kind of charging equipment for mobile phone 100 is provided, the charging equipment for mobile phone 100 packet
It includes:
Processing module 101, processing module 101 are electrically connected with a touch panel；
Voltage stabilizing module 102, Voltage stabilizing module 102 are electrically connected for powering for processing module 101 with processing module 101；
Mother's USB mouth 103, mother's USB mouth 103 are electrically connected for couple in adapter with processing module 101；
USB male joint 104, USB male joint 104 are electrically connected by USB male joint 104 with processing module 101 for connecting with mobile phone
To realize processing module 101 and mobile phone progress usb communication and charge to mobile phone.
Specifically, the U1 in processing unit 101 is MCU (processor), the control for whole system；M1 is touch control
Panel can carry out touch operation.Voltage stabilizing module 102 is LDO, 3.3-12V power input, exportable 3.3V, for giving processing dress
Set the U1 power supply in 101.CON1 is mother's USB mouth 103, can access adapter.CON2 is USB male joint 104, can be connect with mobile phone,
U1 may be implemented by CON2 and mobile phone carries out usb communication, it is also possible to be charged by CON2 to mobile phone.
In the present embodiment, it is electrically connected by processing module 101 with a touch panel；Voltage stabilizing module 102 and processing module
101 electrical connections for processing module 101 for powering；Mother's USB mouth 103 is electrically connected for couple in adapter with processing module 101；
USB male joint 104 be electrically connected for connect with mobile phone, by USB male joint 104 with processing module 101 with realize processing module 101 and
Mobile phone carries out usb communication and charges to mobile phone.The present embodiment realizes the free switching function of charging circuit, can not shadow
External circuit charging is rung, external charging circuit can be switched to by being inserted into external adapter by USB female, facilitate the behaviour of user
Make, improves the satisfaction that user uses.
A kind of charging equipment for mobile phone is provided in one of the embodiments, as shown in Fig. 2, the processing mould in the device
Block includes: pin PA0, pin PA1, pin PA2, pin PA3, pin D- and pin D+；
Wherein, processing module carries out usb communication by pin D- and pin D+ and mobile phone.
In the present embodiment, U1 is MCU (processor), the control for whole system in processing unit.M1 is touch surface
Plate can carry out touch operation.U1 carries out usb communication by pin D- and pin D+ and mobile phone.
A kind of charging equipment for mobile phone is provided in one of the embodiments, as shown in figure 3, the processing mould in the device
Block pin PA3 is connect with the grid of a NMOS tube；The drain electrode of NMOS tube is connect with USB male joint；The source electrode and drain electrode of NMOS tube it
Between be parallel with a switch.
In the present embodiment, U1 pin PA3 is connect with the grid of NMOS tube Q10；The drain electrode and USB male joint of NMOS tube Q10
ID mouth connection；The source electrode of NMOS tube Q10 is grounded；A switch SW1 is parallel between the source electrode and drain electrode of NMOS tube Q10.
A kind of charging equipment for mobile phone is provided in one of the embodiments, as shown in figure 4, the processing mould in the device
Block further include: the first triode, the second triode, third transistor, the 4th triode, the first PMOS tube and the 2nd POMS
Pipe；
Wherein, the ground level of the first triode is connect with pin PA0, the base of the collector of the first triode and the second triode
Grade connection；
The collector of second triode is connect with the source electrode and grid of the first PMOS tube and the second PMOS tube respectively；
The ground level of third transistor is connect with pin PA1, the collector of third transistor respectively with the first PMOS tube and
The source electrode of two PMOS tube is connected with grid；
The ground level of 4th triode is connect with the drain electrode of the second PMOS tube.
Specifically, the ground level of the first triode Q14 is connect with pin PA0, the collector and the two or three of the first triode Q14
The ground level of pole pipe Q16 connects.The collector of the second triode Q16 source with the first PMOS tube Q13 and the second PMOS tube Q15 respectively
Pole is connected with grid.The ground level of third transistor Q17 is connect with pin PA1, and the collector of third transistor Q17 is respectively with first
The source electrode of PMOS tube Q13 and the second PMOS tube Q15 are connected with grid.The ground level of 4th triode Q19 and the second PMOS tube Q15's
Drain electrode connection.
Fig. 5 is referred in one of the embodiments, and mother's USB mouth is connect with the drain electrode of the second PMOS tube in the device.
In the present embodiment, mother's USB mouth CON1 is connected by the POWER_IN of the Q15 in POWER_IN and processing module circuit
It connects.
Fig. 2 is referred in one of the embodiments, which further includes SDA interface and SCL interface, processing module
It is connect by SDA interface and SCL with touch panel.
In the present embodiment, U1 is processor, and U1 is electrically connected by SDA interface and SCL interface with M1 touch panel.
Fig. 6, the range of the input voltage of the Voltage stabilizing module: 3.3-12V are referred in one of the embodiments,；Output
Voltage is 3.3V.
In the present embodiment, U2 is voltage-stablizer, the range of U2 input voltage: 3.3-12V；The voltage of U2 output end is
3.3V。
Specifically, it is illustrated in conjunction with the circuit operation principle in Fig. 2-6 pairs of present apparatus, mobile phone provided in this embodiment fills
There are three types of working conditions for electric installation:
Off-mode: CON1 is accessed without adapter, and mobile phone OTG is without output, at this point, no-voltage on VBUSA network, U1,
M1 is equivalent to whole system and is in off-mode all in off position.
Charge the phone state by CON2: the power supply of CON1 couple in adapter, system is powered by adapter.Work as adapter
When insertion, adapter insertion detection PLUG signal can generate a failing edge, and MCU U1 detects PLUG failing edge signal, will
PA1 exports high level signal, and Q15 PMOS tube is opened.PA0 exports a high level signal simultaneously, and Q13 PMOS tube is closed
It closes, VBUS network unpowered at this time.After PA0 pin exports high level, delay a period of time, then PAO is set low, by Q13 PMOS
It opens.It is equivalent to and VBUS network is allowed to generate a rising edge voltage signal, mobile phone detects this signal, is then determined as there is adaptation
Device access, then can charge.D- the and D+ pin of U1 MCU is set as open-drain output pin at this time, does not influence mobile phone charging
The judgement such as BC1.2 protocol identification.
U1 carries out communications status by CON2 and mobile phone: SW1 presses key pressing, and ID network will be shorted to GND network, at this time
Mobile phone OTG exports 5V, is powered by LDO U2 to U1 MCU and M1 touch control panel.After U1 MCU is powered on, the output of PA3 pin
High level will allow Q10 NMOS to be connected, and be shorted ID network and GND network, after PA3SW1 sets height, key can be lifted
It rises.U1 MCU carries out usb protocol communication by D- and D+ pin and mobile phone, and the touch information of M1 touch control panel is passed to hand
On machine, mobile phone receives touch information, can carry out corresponding operation.It, can be by M1 touch control to exit OTG state
Panel carries out specific power-off operation, and after U1 MCU detects off signal, PA3 pin is set low, then can allow whole system power down,
Mobile phone is exported without OTG at this time, and system will not consume the electricity of mobile phone.
In one embodiment, provide a kind of mobile phone protecting case, the mobile phone protecting case include: mobile phone protecting case ontology with
And it is set to the charging equipment for mobile phone in above-described embodiment on mobile phone protecting case ontology.
In the present embodiment, which can wrap cell phone rear cover, to realize the defencive function to mobile phone.
In addition, being additionally provided with the charging equipment for mobile phone in above-described embodiment on the mobile phone protecting case.It specifically, may include: setting and hand
The Trackpad at the machine protective shell back side, such as: the Trackpad can be circular touch plate, and user can be by touching touch-control with finger
Plate realizes the control to mobile phone.
The present embodiment realizes the free switching function of charging circuit, can not influence external circuit charging, pass through USB female
Insertion external adapter can be switched to external charging circuit.Further, it is also possible to which making the mobile phone shell not only has protection function
Can, the touch function to mobile phone is also achieved, and can be realized the free switching function of charging circuit, facilitates the behaviour of user
Make, improves the satisfaction that user uses.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (8)
1. a kind of charging equipment for mobile phone, which is characterized in that the charging equipment for mobile phone includes:
Processing module, the processing module are electrically connected with a touch panel；
Voltage stabilizing module, the Voltage stabilizing module are electrically connected for powering for processing module with the processing module；
Mother's USB mouth, mother's USB mouth are electrically connected for couple in adapter with the processing module；
USB male joint, the USB male joint are electrically connected for connecting with mobile phone by the USB male joint with the processing module with reality
The existing processing module carries out usb communication with the mobile phone and charges to the mobile phone.
2. charging equipment for mobile phone according to claim 1, which is characterized in that the processing module includes: pin PA0, draws
Foot PA1, pin PA2, pin PA3, pin D- and pin D+；
Wherein, the processing module carries out usb communication by the pin D- and pin D+ and the mobile phone.
3. charging equipment for mobile phone according to claim 2, which is characterized in that the grid of the pin PA3 and a NMOS tube
Connection；The drain electrode of the NMOS tube is connect with the USB male joint；One is parallel between the source electrode and drain electrode of the NMOS tube to open
It closes.
4. charging equipment for mobile phone according to claim 3, which is characterized in that the processing module further include: the one or three pole
Pipe, the second triode, third transistor, the 4th triode, the first PMOS tube and the 2nd POMS pipe；
Wherein, the ground level of first triode is connect with the pin PA0, the collector and the two or three of first triode
The ground level of pole pipe connects；
The collector of second triode is connect with the source electrode and grid of the first PMOS tube and the second PMOS tube respectively；
The ground level of the third transistor is connect with the pin PA1, and the collector of the third transistor is respectively with first
PMOS tube is connected with the source electrode of the second PMOS tube with grid；
The ground level of 4th triode is connect with the drain electrode of second PMOS tube.
5. charging equipment for mobile phone according to claim 4, which is characterized in that mother's USB mouth and second PMOS tube
Drain electrode connection.
6. charging equipment for mobile phone according to claim 1-5, which is characterized in that the processing module further includes
SDA interface and SCL interface, the processing module are connect by the SDA interface and SCL with the touch panel.
7. charging equipment for mobile phone according to claim 6, which is characterized in that the model of the input voltage of the Voltage stabilizing module
It encloses: 3.3-12V；The voltage of output is 3.3V.
8. a kind of mobile phone protecting case, which is characterized in that the mobile phone protecting case includes: mobile phone protecting case ontology and is set to institute
State on mobile phone protecting case ontology such as the described in any item charging equipment for mobile phone of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811569798.6A CN109617166B (en) | 2018-12-21 | 2018-12-21 | Mobile phone charging device and mobile phone protection shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811569798.6A CN109617166B (en) | 2018-12-21 | 2018-12-21 | Mobile phone charging device and mobile phone protection shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109617166A true CN109617166A (en) | 2019-04-12 |
| CN109617166B CN109617166B (en) | 2022-04-15 |
Family
ID=66008995
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811569798.6A Active CN109617166B (en) | 2018-12-21 | 2018-12-21 | Mobile phone charging device and mobile phone protection shell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116087825A (en) * | 2022-12-05 | 2023-05-09 | 江苏帝奥微电子股份有限公司 | Charging interface foreign matter short circuit detection chip, detection device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202586434U (en) * | 2012-05-09 | 2012-12-05 | 厦门广开电子有限公司 | Mobile power supply with Apple mobile phone protective casing |
| CN203301194U (en) * | 2013-06-07 | 2013-11-20 | 漳州师范学院 | Vehicle-mounted optical coupling wireless charger, charging transmitting device, charging receiving device and cellphone |
| CN204906473U (en) * | 2015-09-23 | 2015-12-23 | 朱鎏辉 | Mobile phone protective case |
| KR101735531B1 (en) * | 2016-10-05 | 2017-05-15 | 주식회사 태창이노베이션 | The cover module of smart phone |
| CN107643998A (en) * | 2017-09-07 | 2018-01-30 | 上海移远通信技术股份有限公司 | OTG and the difunctional system that charges are realized based on intelligent object |
-
2018
- 2018-12-21 CN CN201811569798.6A patent/CN109617166B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202586434U (en) * | 2012-05-09 | 2012-12-05 | 厦门广开电子有限公司 | Mobile power supply with Apple mobile phone protective casing |
| CN203301194U (en) * | 2013-06-07 | 2013-11-20 | 漳州师范学院 | Vehicle-mounted optical coupling wireless charger, charging transmitting device, charging receiving device and cellphone |
| CN204906473U (en) * | 2015-09-23 | 2015-12-23 | 朱鎏辉 | Mobile phone protective case |
| KR101735531B1 (en) * | 2016-10-05 | 2017-05-15 | 주식회사 태창이노베이션 | The cover module of smart phone |
| CN107643998A (en) * | 2017-09-07 | 2018-01-30 | 上海移远通信技术股份有限公司 | OTG and the difunctional system that charges are realized based on intelligent object |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116087825A (en) * | 2022-12-05 | 2023-05-09 | 江苏帝奥微电子股份有限公司 | Charging interface foreign matter short circuit detection chip, detection device and method |
| CN116087825B (en) * | 2022-12-05 | 2023-09-29 | 江苏帝奥微电子股份有限公司 | Charging interface foreign matter short circuit detection chip, detection device and method |
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|---|---|
| CN109617166B (en) | 2022-04-15 |
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