CN116938081A - Solar mobile power supply - Google Patents
Solar mobile power supply Download PDFInfo
- Publication number
- CN116938081A CN116938081A CN202310894326.2A CN202310894326A CN116938081A CN 116938081 A CN116938081 A CN 116938081A CN 202310894326 A CN202310894326 A CN 202310894326A CN 116938081 A CN116938081 A CN 116938081A
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- CN
- China
- Prior art keywords
- pin
- circuit
- power supply
- charging
- chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007600 charging Methods 0.000 claims abstract description 56
- 238000001514 detection method Methods 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000010277 constant-current charging Methods 0.000 claims description 3
- 238000010281 constant-current constant-voltage charging Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims 1
- 230000006870 function Effects 0.000 description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/20—Systems characterised by their energy storage means
-
- 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
- H02J7/00302—Overcharge protection
-
- 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
- H02J7/00304—Overcurrent protection
-
- 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
- H02J7/00306—Overdischarge protection
-
- 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
- H02J7/00308—Overvoltage protection
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- 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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- 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
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/00714—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current
-
- 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
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the field of mobile power sources, and discloses a solar mobile power source, which comprises a power source management module, a solar charging module and a storage battery, wherein the power source management module and the solar charging module are electrically connected with the storage battery, the power source management module is also electrically connected with a common direct current power source, the solar charging module is also electrically connected with a photovoltaic cell panel, and the power source management module is also electrically connected with a power source protection module. According to the invention, through setting two charging modes, the battery can be charged through a common direct current power supply, the battery can be charged through a photovoltaic energy battery panel, the energy is saved, the environment is protected, meanwhile, two interfaces are arranged on the battery, the 1A interface can charge small-current equipment such as a mobile phone and the like, the 2A interface can charge large-current electronic equipment such as a tablet personal computer and the like, the compatibility is realized, the emergency flashlight is provided, and the use requirements in various scenes are better met.
Description
Technical Field
The invention relates to the technical field of mobile power sources, in particular to a solar mobile power source.
Background
The portable charger is especially applied to occasions without external power supply, and comprises a battery used for storing electric energy and a circuit for stabilizing output voltage, wherein most of the portable power supply is provided with the charger and used for charging the built-in battery.
However, when the conventional mobile power supply is used, the conventional mobile power supply has problems that firstly, the mobile power supply can only be charged through a direct current power supply, when the electric quantity is exhausted, if the direct current power supply cannot be charged, the mobile power supply cannot be used in the prior art, and secondly, most of the mobile power supply only can be charged through low-current equipment, such as a mobile phone and the like, and when the mobile power supply faces heavy-current equipment, such as a tablet computer, a computer and the like, the mobile power supply cannot be charged, so that the use scene is limited.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a solar mobile power supply, which solves the problems that the mobile power supply can only charge through a direct current power supply and the mobile power supply can only charge small-current equipment, such as a mobile phone and the like, and cannot charge when facing large-current equipment, such as a tablet computer, a computer and the like, and the use scene is limited.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a solar energy portable power source, includes power management module, solar charging module and battery, power management module and solar charging module all establish the electricity with the battery and be connected, power management module still establishes the electricity with the direct current power supply commonly used and is connected, solar charging module still establishes the electricity with photovoltaic cell board and is connected, power management module still electricity is connected with power protection module.
Preferably, the power management module comprises a ZS6288 chip, and a pin of the ZS6288 chip is electrically connected with a charging management circuit, a discharging management circuit, a protection function circuit, an electric quantity display circuit, a flashlight circuit and a USB output circuit in sequence.
Preferably, the charging management circuit is connected with the ZS6288 chip through a pin 16SNS and a pin 15BAT, and a sampling resistor is arranged between the pin 16SNS and the pin 15BAT and is used for realizing three-stage charging, namely trickle charging, constant current charging and constant voltage charging.
Preferably, the discharge management circuit is connected with the ZS6288 chip through a pin 5VIN and a pin 8CS, wherein the pin 5VIN is used for detecting the voltage of the storage battery, and the pin 8CS is used for detecting the magnitude of the load current.
Preferably, the protection function circuit is connected to the ZS6288 chip through pin 14CTR for open circuit protection when a short circuit occurs in the circuit or the input voltage exceeds 6V.
Preferably, the electric quantity display circuit is connected with the ZS6288 chip through a pin 10, a pin 11, a pin 12 and a pin 13, and the pin 10, the pin 11, the pin 12 and the pin 13 are also electrically connected with an LED lamp for displaying electric quantity.
Preferably, the flashlight circuit is connected with the ZS6288 chip through a pin 6WLED and a pin 9TAP, the pin 6WLED is also electrically connected with an illuminating lamp, and the pin 9TAP is also electrically connected with a switch button.
Preferably, the USB output circuit is connected with the ZS6288 chip through a pin 2SYS and a pin 3PGND, and the pin 2SYS and the pin 3PGND are both connected with a protection resistor in parallel.
Preferably, the solar charging module includes an LT3652 chip, where the LT3652 chip includes a power input pin 1Vm, an input voltage adjustment reference pin 2Vm, a precision threshold off pin 3SHND, a charging indication output pin 4CHEG, an error warning output pin 5FAULT, a charging time period setting pin 6TIMER, a charging voltage loop detection pin 7Vm, a battery temperature monitoring terminal pin 8NTC, a charging input monitoring pin 9BAT, a charging current detection pin 10SENSE, a BOOST pin 11BOOST, a switch output pin 12SW, and a ground pin 13SGND.
Preferably, the power protection module includes a DW01 chip, and the DW01 chip is electrically connected with an overcharge protection circuit, an overdischarge protection circuit, a short-circuit protection circuit, and an overcurrent protection circuit.
The invention provides a solar mobile power supply. The beneficial effects are as follows:
according to the invention, through setting two charging modes, the battery can be charged through a common direct current power supply, the battery can be charged through a photovoltaic energy battery panel, the energy is saved, the environment is protected, meanwhile, two interfaces are arranged on the battery, the 1A interface can charge small-current equipment such as a mobile phone and the like, the 2A interface can charge large-current electronic equipment such as a tablet personal computer and the like, the compatibility is realized, the emergency flashlight is provided, the use requirements in various scenes are better met, meanwhile, the power protection module is added, the battery can be protected under the conditions of overcharge, overdischarge, short circuit and overcurrent, and the safety and the service life are improved.
Drawings
FIG. 1 is a circuit diagram of a power management module of the present invention;
FIG. 2 is a circuit diagram of a solar charging module according to the present invention;
FIG. 3 is a circuit diagram of a power protection module according to the present invention;
fig. 4 is a system schematic diagram of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
referring to fig. 1-3, an embodiment of the present invention provides a solar mobile power supply, as shown in fig. 1, including a power management module, a solar charging module and a storage battery, where the power management module and the solar charging module are electrically connected with the storage battery, the power management module is also electrically connected with a common dc power supply, the solar charging module is also electrically connected with a photovoltaic panel, the power management module is also electrically connected with a power protection module, the power management module includes a ZS6288 chip, and pins of the ZS6288 chip are sequentially electrically connected with a charging management circuit, a discharging management circuit, a protection function circuit, an electric quantity display circuit, a flashlight circuit and a USB output circuit;
specifically, the working voltage of the lithium battery is 3.7V, and the working voltages of the nickel-cadmium and nickel-hydrogen batteries are only one third of that of the lithium battery, and compared with other rechargeable batteries, the lithium battery has longer cycle life and no memory function, can be charged as needed, and has little pollution to the environment, and belongs to an environment-friendly battery, so that the storage battery is formed by adopting a parallel connection mode of two 18650 lithium batteries.
The charging management circuit is connected with the ZS6288 chip through the pin 16SNS and the pin 15BAT, a sampling resistor is arranged between the pin 16SNS and the pin 15BAT, the value of the sampling resistor is a key factor related to the charging current, and three-section charging, namely trickle charging, constant-current charging and constant-voltage charging can be realized.
The discharging management circuit is connected with the ZS6288 chip through a pin 5VIN and a pin 8CS, the pin 5VIN is used for detecting the voltage of the storage battery, when the input voltage is lower than 3.3V, the power adapter is considered to be powered down, the boosting system can work, when the system performs the boosting function, the pin 8CS is used for detecting the magnitude of load current, if the load current continuously rises, the output voltage can drop when reaching a current limiting value, until the voltage is not boosted any more, namely the MOS tube responsible for boosting is turned off, and the synchronous rectification PMOS is turned on.
The protection function circuit is connected with the ZS6288 chip through the pin 14CTR and is used for switching off an NMOS tube connected with the protection function circuit when short circuit occurs in the circuit or the input voltage exceeds 6V, so that USB output is closed and open-circuit protection is carried out.
The electric quantity display circuit is connected with the ZS6288 chip through the pin 10, the pin 11, the pin 12 and the pin 13, and the pin 10, the pin 11, the pin 12 and the pin 13 are also electrically connected with LED lamps for displaying electric quantity.
The flashlight circuit is connected with the ZS6288 chip through the pin 6WLED and the pin 9TAP, the pin 6WLED is also electrically connected with an illuminating lamp, the pin 9TAP is also electrically connected with a switch button, the switch button connected with the pin 9TAP controls the on-off of the flashlight, and when the button is pressed for a long time, the pin 6WLED outputs a high level so as to drive the NMOS tube to be conducted, so that the illuminating lamp is turned on.
The USB output circuit is connected with the ZS6288 chip through the pin 2SYS and the pin 3PGND, and the pin 2SYS and the pin 3PGND are both connected with a protection resistor in parallel, so that the purpose of automatically identifying the charging current of the electronic product is achieved, and the purpose that the electronic product cannot be burnt out due to current limiting is achieved.
The solar charging module comprises an LT3652 chip, wherein the LT3652 chip comprises a power supply input pin 1Vm, an input voltage regulation reference pin 2Vm, a precision threshold off pin 3SHND, a charging indication output pin 4CHEG, an error warning output pin 5FAULT, a charging time period setting pin 6TIMER, a charging voltage loop detection pin 7Vm, a battery temperature monitoring end pin 8NTC, a charging input monitoring pin 9BAT, a charging current detection pin 10SENSE, a boosting pin 11BOOST, a switch output pin 12SW and a grounding pin 13SGND.
Pin 1Vm is used as a power supply input to supply power for the LT3652 chip and the charging function module, and the input range is 4.95V-34V.
Pin 2Vm is an input voltage regulation reference that is typically used to track the peak power of the solar panel, i.e., to automatically adjust the charging current according to the magnitude of the input voltage.
Pin 3SHND is a precision threshold off pin, and the input pin is set low, i.e., the chip charging function is turned off, and if pin 3SHND is pulled low to less than 0.4V, the IC enters a low current off mode.
Pin 4CHEG is a charge indication output pin which outputs a high resistance state when the charge current is higher than 1/10C, indicating that charging is occurring, and a low level when the charge current is lower than 1/10C, indicating that charging is complete.
Pin 5FAULT is an error alert output pin active low indicating a FAULT condition during a battery charging cycle, and remains high impedance if no FAULT condition exists.
Pin 6TIMER sets a pin for the charge time period from which a capacitor can be connected to ground for control if TIMER based charging requires.
Pin 7Vm is the charging voltage loop detection pin and the reference voltage is 3.3V.
The pin 8NTC is a battery temperature monitoring end and is used for detecting and displaying the battery temperature.
Pin 9BAT is the charge output monitor pin, once the charge cycle is terminated, the input bias current to pin 9BAT drops to < 0.1 μA while the charger remains connected to reduce battery discharge.
Pin 10SENSE is the charging current SENSE pin, and the fixed voltage between this pin and pin 9BAT is 0.1V.
Pin 11BOOST is the BOOST pin that provides the drive for the on-chip switches.
Pin 12SW is a switch output pin, switching the output pins.
The pin 13SGND is a grounding pin, sufficient heat dissipation is required, and the lead frame is soldered to the PCB ground plane.
The power protection module comprises a DW01 chip, and the DW01 chip is electrically connected with an overcharge protection circuit, an overdischarge protection circuit, a short-circuit protection circuit and an overcurrent protection circuit.
Specifically, if the battery of the storage battery is overdischarged, the voltage caused by overdischarge is too low, and the voltage caused by overcharge is too high, which affects the service life of the battery, so that an overcharge protection circuit, an overdischarge protection circuit, a short-circuit protection circuit and an overcurrent protection circuit are added to protect the battery.
The protection circuit of the module mainly comprises a protection chip DW01 and two parallel 8205 (channel increasing MOSFET), wherein the DW01 chip mainly detects the voltage between the drain electrode and the source electrode of the MOS tube to realize overcurrent protection, the circuit needs larger working current, and when the value of the overcurrent protection needs to be increased, the protection circuit can be realized by reducing the internal resistance of the MOS tube, and the conduction internal resistance of the MOS tube can be reduced in a parallel mode.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The solar mobile power supply is characterized by comprising a power supply management module, a solar charging module and a storage battery, wherein the power supply management module and the solar charging module are electrically connected with the storage battery, the power supply management module is also electrically connected with a common direct-current power supply, the solar charging module is also electrically connected with a photovoltaic cell panel, and the power supply management module is also electrically connected with a power supply protection module;
the power management module comprises a ZS6288 chip, and a charging management circuit, a discharging management circuit, a protection function circuit, an electric quantity display circuit, a flashlight circuit and a USB output circuit are sequentially and electrically connected to pins of the ZS6288 chip.
2. The solar mobile power supply according to claim 1, wherein the charging management circuit is connected to the ZS6288 chip through a pin 16SNS and a pin 15BAT, and a sampling resistor is arranged between the pin 16SNS and the pin 15BAT, so as to realize three-stage charging, namely trickle charging, constant current charging and constant voltage charging.
3. The solar mobile power supply according to claim 1, wherein the discharge management circuit is connected to the ZS6288 chip through a pin 5VIN and a pin 8CS, the pin 5VIN is used for detecting the voltage of the storage battery, and the pin 8CS is used for detecting the magnitude of the load current.
4. A solar mobile power supply according to claim 1, wherein the protection function circuit is connected to the ZS6288 chip via pin 14CTR for open circuit protection when a short circuit occurs in the circuit or the input voltage exceeds 6V.
5. The solar mobile power supply according to claim 1, wherein the power display circuit is connected to the ZS6288 chip through a pin 10, a pin 11, a pin 12 and a pin 13, and the pin 10, the pin 11, the pin 12 and the pin 13 are all electrically connected with LED lamps for displaying power.
6. The solar mobile power supply according to claim 1, wherein the flashlight circuit is connected to the ZS6288 chip through a pin 6WLED and a pin 9TAP, the pin 6WLED is further electrically connected to an illumination lamp, and the pin 9TAP is further electrically connected to a switch button.
7. The solar mobile power supply according to claim 1, wherein the USB output circuit is connected to the ZS6288 chip through a pin 2SYS and a pin 3PGND, and both the pin 2SYS and the pin 3PGND are connected in parallel with a protection resistor.
8. The solar mobile power supply according to claim 1, wherein the solar charging module comprises an LT3652 chip, the LT3652 chip comprising a power input pin 1Vm, an input voltage regulation reference pin 2Vm, a precision threshold off pin 3SHND, a charge indication output pin 4CHEG, an error alert output pin 5FAULT, a charging time period setting pin 6TIMER, a charging voltage loop detection pin 7Vm, a battery temperature monitoring terminal pin 8NTC, a charging input monitoring pin 9BAT, a charging current detection pin 10SENSE, a BOOST pin 11BOOST, a switch output pin 12SW, and a ground pin 13SGND.
9. The solar mobile power supply according to claim 1, wherein the power supply protection module comprises a DW01 chip, and the DW01 chip is electrically connected with an overcharge protection circuit, an overdischarge protection circuit, a short-circuit protection circuit, and an overcurrent protection circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310894326.2A CN116938081A (en) | 2023-07-20 | 2023-07-20 | Solar mobile power supply |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202310894326.2A CN116938081A (en) | 2023-07-20 | 2023-07-20 | Solar mobile power supply |
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CN116938081A true CN116938081A (en) | 2023-10-24 |
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Family Applications (1)
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CN202310894326.2A Pending CN116938081A (en) | 2023-07-20 | 2023-07-20 | Solar mobile power supply |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200987080Y (en) * | 2006-09-29 | 2007-12-05 | 郑州市联合能源电子有限公司 | Solar energy notebook computer power supply device |
CN202395487U (en) * | 2011-12-23 | 2012-08-22 | 南京工程学院 | Portable solar power supply |
CN203056638U (en) * | 2013-01-17 | 2013-07-10 | 山东三龙智能技术有限公司 | Intelligent power supply apparatus applied in RTU (remote terminal unit) |
CN203352252U (en) * | 2013-08-02 | 2013-12-18 | 邵阳学院 | Intelligent mobile power supply device |
CN108054820A (en) * | 2017-12-25 | 2018-05-18 | 上海电机学院 | A kind of mobile phone charging equipment based on mobile wind power |
CN209119885U (en) * | 2018-12-24 | 2019-07-16 | 广东太阳库新能源科技有限公司 | Solar energy movable power supply |
-
2023
- 2023-07-20 CN CN202310894326.2A patent/CN116938081A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200987080Y (en) * | 2006-09-29 | 2007-12-05 | 郑州市联合能源电子有限公司 | Solar energy notebook computer power supply device |
CN202395487U (en) * | 2011-12-23 | 2012-08-22 | 南京工程学院 | Portable solar power supply |
CN203056638U (en) * | 2013-01-17 | 2013-07-10 | 山东三龙智能技术有限公司 | Intelligent power supply apparatus applied in RTU (remote terminal unit) |
CN203352252U (en) * | 2013-08-02 | 2013-12-18 | 邵阳学院 | Intelligent mobile power supply device |
CN108054820A (en) * | 2017-12-25 | 2018-05-18 | 上海电机学院 | A kind of mobile phone charging equipment based on mobile wind power |
CN209119885U (en) * | 2018-12-24 | 2019-07-16 | 广东太阳库新能源科技有限公司 | Solar energy movable power supply |
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