CN210156961U - Self-checking and protecting mobile phone charger - Google Patents
Self-checking and protecting mobile phone charger Download PDFInfo
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- CN210156961U CN210156961U CN201921348361.XU CN201921348361U CN210156961U CN 210156961 U CN210156961 U CN 210156961U CN 201921348361 U CN201921348361 U CN 201921348361U CN 210156961 U CN210156961 U CN 210156961U
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- mobile phone
- charger
- microcontroller
- charging
- circuit
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- 238000001514 detection method Methods 0.000 claims abstract description 32
- 230000005855 radiation Effects 0.000 claims abstract description 30
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 9
- 229910052744 lithium Inorganic materials 0.000 claims description 9
- 239000003381 stabilizer Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 208000032953 Device battery issue Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a mobile phone charger of self-checking and protection. Be equipped with sealed charger shell, charger shell upper surface is provided with the screen, be equipped with microcontroller and be used for providing charging power supply's main circuit, protection circuit and warning circuit for the cell-phone with being connected with this microcontroller in the charger shell, the side of charger shell is equipped with the cell-phone battery temperature detection interface, cell-phone radiation detection interface, the USB interface that charges who is connected with microcontroller, the charger still is provided with the inside temperature sensor of charger, detects charging current and detects the control circuit of charging time. The utility model has simple structure, easy realization, lower cost, convenient carrying, no occasion restriction, and can cut off the power supply in time and send out alarm to the problem that the mobile phone is possibly on fire or even explodes due to charging, and meanwhile, the service life of the mobile phone battery can be prolonged, and the user can know the charging process and the radiation condition of the use of the mobile phone; the operation is very convenient, and the device has the characteristics of automatic control detection, alarm and protection.
Description
Technical Field
The utility model relates to a mobile phone charger of self-checking and protection.
Background
Currently, with the continuous upgrade and iteration of mobile phones, especially the coming of the 5G era, the dependence of people on mobile phones will be further enhanced. The existing mobile phone chargers on the market almost have no fundamental change, and the mobile phone chargers are simple chargers with single charging function. On one hand, the simple charger leads the charging condition of the mobile phone by the user to be always in a blank state, so that the charging cannot be scientifically and reasonably carried out, the service life of the mobile phone battery can be shortened, and the health of the user can be influenced by overlarge radiation caused by incorrect use of the mobile phone; on the other hand, if a charger with only a single charging function is charged for a very long time or a battery failure or a charger failure occurs, a fire or even an explosion accident may be caused (such an event is reported on various media every year), and the loss and damage cannot be warned in advance and protected in time. In recent years, although wireless chargers are gradually applied to chargers of mobile phones, the wireless chargers have the disadvantages of high cost, low charging efficiency and increased radiation sources, and still only provide a single charging function, so that the application and popularization of the wireless chargers are limited to a great extent.
Disclosure of Invention
An object of the utility model is to provide a cell-phone charger of self-checking and protection has simple structure, easily realizes, the lower advantage of cost, and lowers the cell-phone greatly and probably cause the risk of conflagration or explosion because of charging, has better security.
In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a cell-phone charger of self-checking and protection, is equipped with sealed charger shell, charger shell upper surface is provided with the screen, be equipped with microcontroller and the main circuit that charges who is connected with this microcontroller and is used for providing charging power for the cell-phone in the charger shell, the side of charger shell is equipped with the cell-phone battery temperature detection interface, cell-phone radiation detection interface, the USB interface that charges who is connected with microcontroller.
The utility model discloses an in the embodiment, the opening has still been seted up to the charger shell upper surface for install the fuse, report an emergency and ask for help or increased vigilance pilot lamp, bee calling organ, power button, reset switch, power button has power indicator.
The utility model discloses an in one embodiment, cell-phone battery temperature detection interface and cell-phone radiation detection interface are connected with the cell-phone radiation detection sensor that the radiation that produces produced when cell-phone battery temperature detection sensor that is used for detecting cell-phone battery temperature when charging and cell-phone use respectively.
In an embodiment of the present invention, the charging main circuit includes a power transformer, a current transformer, a rectifier, a voltage stabilizer, an output protection circuit, an input protection circuit, and a temperature sensor inside the charger; when power button pressed, AC220V charges for the cell-phone through fuse, power transformer, rectifier, stabiliser, output protection circuit, USB interface that charges, power transformer still through input protection circuit with microcontroller connects, power transformer resets by reset switch control, the rectifier still through current transformer with microcontroller connects, the inside temperature sensor of charger with microcontroller connects.
In an embodiment of the present invention, the microcontroller includes a microprocessor and a peripheral input circuit, an output driving circuit, a rechargeable lithium battery, an internal memory, which are connected to the microprocessor, the microcontroller further includes a four-way a/D converter, the four-way a/D converter is connected to the temperature sensor inside the peripheral input circuit, the current transformer and the charger, the four-way a/D converter (or the peripheral circuit in the four-way a/D converter) is connected to the temperature sensor inside the charger and the temperature detection sensor of the mobile phone battery and the mobile phone radiation detection sensor through the temperature detection interface of the mobile phone battery and the radiation detection interface of the mobile phone battery, the rechargeable lithium battery is connected to the output protection circuit and the output driving circuit to provide electric energy, the output driving circuit is also connected to the input protection circuit, the screen alarm indicator lamp, the internal memory and the output protection circuit are connected to the, The buzzer is connected with the output protection circuit.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model designs the charger with self-checking and protection, and integrates into a sealed box, the structure is simple, the realization is easy, the cost is lower, the carrying is convenient, the situation is not limited, the problem that the mobile phone is on fire or even explodes due to charging can be caused, the power supply can be cut off in time, and the alarm is given out, meanwhile, the service life of the mobile phone battery can be prolonged, and the user can know the charging process of the mobile phone and the radiation condition of the use; the operation is very convenient, and the device has the characteristics of automatic control detection, alarm and protection.
Drawings
Fig. 1 is a schematic structural diagram of a sealing box according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a hardware structure according to an embodiment of the present invention.
Fig. 3 is a schematic circuit diagram of the microcontroller according to the present invention.
In fig. 1 to 3, each symbol represents: 1-a charger housing; 11-power button; 12-screen; 13-reset switch, 14-USB charging interface; 15-temperature detection interface of mobile phone battery; 16-mobile phone radiation detection interface, 17-alarm indicator light, 18-buzzer, 19-fuse, 2-charging main circuit, 21-power transformer, 22-current transformer, 23-rectifier, 24-voltage stabilizer, 25-output protection circuit, 26-input protection circuit, 27-charger temperature sensor, 3-additional detection part of mobile phone, 31-mobile phone battery temperature detection sensor, 32-mobile phone radiation detection sensor, 4-microcontroller, 41-four A/D converter, 42-peripheral input circuit, 43-microprocessor, 44-output drive circuit, 45-rechargeable lithium battery, 46-internal memory.
Detailed Description
The technical solution of the present invention will be specifically described below with reference to the accompanying drawings.
In fig. 1-3, a mobile phone charger with detection and protection is provided with a sealed charger housing 1, a screen 12 and an operation part are arranged on the charger housing 1, a charging main circuit 2 and a microcontroller 4 are integrated in the charger housing 1 into a box, the charging main circuit 2 provides a charging power supply for a mobile phone 00 and provides related protection, the microcontroller 4 automatically detects and analyzes charging parameters of the mobile phone 00 in real time, provides charging information or alarm information thereof, and timely judges whether the charger enters a power-off protection state, in addition, an additional detection part of the mobile phone is also configured, including a mobile phone battery temperature detection sensor (such as PT 100) 31 and a mobile phone radiation detection sensor (such as LZT 1000) 32, which can respectively detect the battery temperature of the mobile phone during charging and the radiation generated during use.
The front side of the charger shell 1 is provided with a screen 12 and an operation part, the operation part is arranged on the side of the screen 12 and comprises a fuse 19, a power button 11 with an indicator light, a reset switch 13, an alarm indicator light 17 and a buzzer 18, and one side of the charger shell 1 is provided with a USB charging interface 14, a mobile phone battery temperature detection interface 15 and a mobile phone radiation detection interface 16 which enable the mobile phone 00 to be 00.
The charging main circuit 2 of the charger includes a power transformer 21, a current transformer 22, a rectifier 23, a voltage stabilizer 24, an output protection circuit 25, an input protection circuit 26, and a temperature sensor 27 (e.g., PT 100) inside the charger.
The microcontroller 4 of the charger includes a four-way a/D converter (or is replaced by a separate four-way a/D converter) 41, a peripheral input circuit 42, a microprocessor 43, an output drive circuit 44, a rechargeable lithium battery 45, and an internal memory 46.
The utility model relates to a from application method of cell-phone charger who takes detection and protection as follows:
(1) preparing, namely connecting two ends of a charging wire of the mobile phone 00 with a USB interface 14 of the charger and a charging port of the mobile phone 00 respectively as a simple charger is used, inserting a connector of a mobile phone temperature sensor 31 into a mobile phone temperature detection interface 15 of the charger when the temperature of a mobile phone battery needs to be detected, placing the sensor on the back of the mobile phone with the battery, inserting a connector of a radiation sensor 32 into a mobile phone radiation detection interface 16 of the charger when the radiation of the mobile phone needs to be detected, and placing the sensor at a position 5-10 cm away from the mobile phone;
(2) pressing the power button 11 to turn on the power, turning on the indicator light, making the charger enter self-checking, pressing the power button 11 again to turn off the indicator light, stopping the charger, and exiting self-checking;
(3) when the self-checking is abnormal, the working state is exited, an alarm prompt is entered, the alarm indicator lamp 17 is lightened, the buzzer 18 makes a sound, the output protection circuit 25 of the charger cuts off the output (namely, the charger is not charged), the screen displays the abnormal self-checking information, the reset button 13 is pressed, the self-checking is entered again, if the self-checking is continued to be entered for alarming, the power supply is disconnected for removing the fault, and the next procedure is entered when the self-checking is normal;
(4) the charger starts to charge the mobile phone, an external power supply enters the charging main body circuit 2 through the power button 11 and the fuse 19, the charging main body circuit comprises a power transformer 21, an input protection circuit 26, a current transformer 22, a rectifier 23, a voltage stabilizer 24 and an output protection circuit 25, and the mobile phone is charged through the USB charging interface 14;
(5) during the charging process, the microcontroller 4 enters a detection and monitoring state, firstly, overload judgment is carried out, if the charger or the battery is seriously overloaded, such as short circuit, the fuse 19 of the charging main body circuit 2 is quickly fused, the input protection circuit 26 cuts off an external power supply, the output protection circuit 25 cuts off the charging power supply, the screen 12 is powered by the miniature lithium battery 45 to display overload information, the overload information comprises that the alarm indicator lamp 17 is lightened, the buzzer 18 makes a sound, and the charger or the battery can be put into use again after the charger or the battery is cleared and the fuse (or the battery) is replaced; if the overload does not occur, entering the next procedure;
(6) in the charging process of the mobile phone, the temperature AT1 inside the charger or the temperature AT2 of an external battery is detected and judged, if the temperature exceeds the limit, an alarm is given, the alarm indicator lamp 17 is turned on, the buzzer 18 makes a sound, the external power supply is cut off through the input protection circuit 26, the charging is also cut off through the output protection circuit 25, and the corresponding overtemperature information is displayed on the screen 12; if the temperature is normal, continuing charging, and entering the next procedure;
(7) the charger monitors and stores the charging current AI in real time while charging the mobile phone 00 normally, and compares and analyzes the charging current AI with a set value in real time, if the charging current AI is abnormal and the duration exceeds a preset limit, an alarm is immediately sent, the alarm indicator lamp 17 is turned on, the buzzer 18 makes a sound, the external power supply is disconnected through the input protection circuit 26, the charging is also disconnected through the output protection circuit 25, the screen 12 displays the current overrun information, and if the charging is normal, the next procedure is started;
(8) when the charger charges the mobile phone 00 normally, the charging time T of the mobile phone is calculated, stored and compared with a set value in real time for analysis, if the charging time is out of limit, an alarm is given, the alarm indicator lamp 17 is on, the buzzer 18 makes a sound, the charging is cut off only through the output protection circuit 25, and the overtime information is displayed on the screen 12;
(9) when a user uses the mobile phone for communication, if the user needs to know the radiation condition, the radiation quantity can be detected by connecting the mobile phone radiation detection sensor 32, the current radiation value is displayed on the screen 12, if the radiation value exceeds a limit value, an alarm prompt is carried out, the alarm indicator lamp 17 is lightened, and the buzzer 18 sounds.
Above is the utility model discloses a preferred embodiment, all rely on the utility model discloses the change that technical scheme made, produced functional action does not surpass the utility model discloses during technical scheme's scope, all belong to the utility model discloses a protection scope.
Claims (5)
1. The utility model provides a cell-phone charger of self-checking and protection, is equipped with sealed charger shell, its characterized in that, the charger shell upper surface is provided with the screen, be equipped with microcontroller and the main circuit that charges who is used for providing charging source for the cell-phone that is connected with this microcontroller in the charger shell, the side of charger shell is equipped with the cell-phone battery temperature detection interface, cell-phone radiation detection interface, the USB interface that charges who is connected with microcontroller.
2. The self-checking and protecting mobile phone charger according to claim 1, wherein the upper surface of the charger housing is further provided with an opening for installing a fuse, an alarm indicator, a buzzer, a power button and a reset switch, and the power button is provided with a power indicator.
3. The self-testing and protecting mobile phone charger according to claim 1, wherein the mobile phone battery temperature detecting interface and the mobile phone radiation detecting interface are respectively connected to a mobile phone battery temperature detecting sensor for detecting the battery temperature of the mobile phone during charging and a mobile phone radiation detecting sensor for detecting the radiation generated by the mobile phone during use.
4. The self-checking and protecting mobile phone charger according to claim 2, wherein the charging main circuit comprises a power transformer, a current transformer, a rectifier, a voltage stabilizer, an output protection circuit, an input protection circuit, and a temperature sensor inside the charger; when power button pressed, AC220V charges for the cell-phone through fuse, power transformer, rectifier, stabiliser, output protection circuit, USB interface that charges, power transformer still through input protection circuit with microcontroller connects, power transformer resets by reset switch control, the rectifier still through current transformer with microcontroller connects, the inside temperature sensor of charger with microcontroller connects.
5. The self-test and protection mobile phone charger according to claim 4, wherein the microcontroller comprises a microprocessor, and a peripheral input circuit, an output driving circuit, a rechargeable lithium battery, an internal memory connected to the microprocessor, the microcontroller further comprises a four-way A/D converter, the four-way A/D converter is respectively connected to the peripheral input circuit, the rechargeable lithium battery, the current transformer, and a temperature sensor inside the charger, the four-way A/D converter is respectively connected to the mobile phone battery temperature detecting sensor and the mobile phone radiation detecting sensor through a mobile phone battery temperature detecting interface and a mobile phone radiation detecting interface, the rechargeable lithium battery is further connected to the output protection circuit and the output driving circuit to provide electric energy, the output driving circuit is further connected to the input protection circuit, the rechargeable lithium battery, and the internal memory, The alarm indicator light, the buzzer and the output protection circuit are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921348361.XU CN210156961U (en) | 2019-08-20 | 2019-08-20 | Self-checking and protecting mobile phone charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921348361.XU CN210156961U (en) | 2019-08-20 | 2019-08-20 | Self-checking and protecting mobile phone charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210156961U true CN210156961U (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921348361.XU Expired - Fee Related CN210156961U (en) | 2019-08-20 | 2019-08-20 | Self-checking and protecting mobile phone charger |
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| Country | Link |
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| CN (1) | CN210156961U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336362A (en) * | 2019-08-20 | 2019-10-15 | 厦门大学嘉庚学院 | A kind of phone charger and its application method of self-test and protection |
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2019
- 2019-08-20 CN CN201921348361.XU patent/CN210156961U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336362A (en) * | 2019-08-20 | 2019-10-15 | 厦门大学嘉庚学院 | A kind of phone charger and its application method of self-test and protection |
| CN110336362B (en) * | 2019-08-20 | 2024-04-16 | 厦门大学嘉庚学院 | Self-checking and protecting mobile phone charger and use method thereof |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200317 |
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| CF01 | Termination of patent right due to non-payment of annual fee |