CN116780697A - Mobile power supply with electricity meter low-power-consumption protection - Google Patents
Mobile power supply with electricity meter low-power-consumption protection Download PDFInfo
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- CN116780697A CN116780697A CN202310679493.5A CN202310679493A CN116780697A CN 116780697 A CN116780697 A CN 116780697A CN 202310679493 A CN202310679493 A CN 202310679493A CN 116780697 A CN116780697 A CN 116780697A
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- module
- power
- statistics
- power consumption
- lithium battery
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Links
- 230000005611 electricity Effects 0.000 title claims description 22
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 32
- 238000012545 processing Methods 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims description 20
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 4
- 230000009466 transformation Effects 0.000 abstract description 6
- 230000001276 controlling effect Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- 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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- 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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00045—Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source
-
- 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
- H02J7/007—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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a mobile power supply with a flowmeter for low-power-consumption protection, which comprises a lithium battery module, a charging management unit, a voltage transformation module and a power calculation module, wherein the lithium battery module is connected with the charging management unit; the protocol distribution module distributes a charging protocol according to the type of the electronic equipment accessed by the output end; the power distribution module is used for determining a charging power range; the sensing module is connected with each power calculation module and is used for registering signals of the power calculation modules; the reset module is used for zeroing the power consumption statistics and the electric quantity statistics; the system also comprises a central processing unit, which executes the call to each module; and the display module is used for acquiring and displaying the power consumption statistics and the electric quantity statistics. The invention can intuitively display the power distributed among the ports correspondingly connected with the lithium battery and display the charging information and the power consumption information of each port.
Description
Technical Field
The invention belongs to the field of mobile power supplies, and particularly relates to a mobile power supply with a power meter and low power consumption protection function.
Background
The mobile power supply is a portable charger integrating power supply and charging functions, and can charge mobile digital devices such as mobile phones and the like anytime and anywhere or supply power in a standby mode. Because the voltage of a lithium battery is usually between 2.7 and 4.2V, the electric quantity is reduced along with the voltage. The voltage of 2.7-4.2V can not directly charge other digital products, because the voltage of the lithium battery of the digital products is 2.7-4.2V and the voltages with the same potential can not be charged, the mobile power supply can output electric energy outwards, and a boosting system is needed
However, the voltage of the lithium battery with the voltage of 2.7-4.2V is boosted to 5V with certain loss, the prior art adopts a resistance-capacitance detection mode, and in use, the capacity error of the battery is very large, and the voltage and the current of charge and discharge cannot be intuitively seen, so that the electric quantity indication displayed by an LED lamp or digitally displayed brings great inconvenience to a user. In addition, the prior art can only display basic electric quantity, but cannot display the power consumption in actual use, and the charging and discharging of the mobile power supply cannot be dynamically regulated when the mobile power supply is in low power consumption, so that the power consumption loss and waste are caused in use.
In view of this, a portable power source circuit with low power consumption protection of the power meter is currently required.
Disclosure of Invention
Therefore, the invention provides the mobile power supply circuit with the electricity meter low-power-consumption protection, which realizes the power consumption control in the use process of the mobile power supply and realizes the power consumption protection when the mobile power supply is low in power consumption.
The invention provides a mobile power supply circuit with a power meter and low power consumption protection, which comprises a lithium battery module, a charging management unit and a voltage transformation module, wherein the lithium battery module is provided with at least one energy supply end and a plurality of output ends connected with the energy supply end, and further comprises
The power calculation modules are at least arranged in a plurality, one power calculation module is arranged at the energy supply end port, the power calculation modules are correspondingly arranged in the output ends, and the power calculation modules at least comprise an electricity meter and a power meter;
the protocol distribution module distributes a charging protocol according to the type of the electronic equipment accessed by the output end;
the power distribution module determines the charging power range of the accessed electronic equipment according to a charging protocol distributed by the protocol distribution module to the accessed electronic equipment type;
the sensing module is connected with each power calculation module and is used for registering signals of the power calculation modules;
the reset module is used for zeroing the power consumption statistics and the electric quantity statistics;
the lithium battery is used for supplying power, the lithium battery is connected to the power calculation module, the sensing module and the reset module, and the central processing unit is used for executing the call of each module;
the power consumption statistics module is used for obtaining the power consumption statistics and the electric quantity statistics and displaying the power consumption statistics and the electric quantity statistics.
Further, the sensing module comprises
The digital-to-analog converter comprises an analog front end, a digital-to-analog converter, a control logic circuit and a register;
the received signals from the power calculation module are sent to an analog front end for processing, and then are converted into digital signals through a digital-to-analog converter;
the control logic circuit controls the automatic sampling time interval of the power calculation module according to the preset value, and meanwhile, the digital signals output by the digital-to-analog converter are stored in the register after being averaged.
Further, the device also comprises an interface module, which at least comprises an interface controller and a communication module;
the interface controller is suitable for controlling signals in the register to be transmitted through any port of the communication module;
the port includes
A wired communication port connected to the power splitter, and
a wireless communication port connected to the signal transmitter.
The power calculation module is in communication connection with the bridge matching resistor and the reset terminal capacitor.
Further, the system also comprises an alarm module which is connected with the central processing unit, and judges and alarms according to the current values of the electric quantity information and the power consumption information.
Further, the alarm module comprises an LED lamp or a buzzer prompter.
Further, the signal transmitter is a Bluetooth or WI-FI transmitter.
Compared with the prior art, the technical scheme provided by the invention has the following advantages:
the invention can intuitively display the power distributed among the ports correspondingly connected with the lithium battery, and display the charging information and the power consumption information of each port.
Drawings
Fig. 1 is a schematic diagram of module connection of a mobile power supply with low power consumption protection of a meter according to an embodiment 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.
Example 1
The invention provides a mobile power supply circuit with a flowmeter low-power-consumption protection function, which is shown in fig. 1 and comprises a lithium battery module, a charging management power supply and a transformation module.
In this embodiment, the lithium battery module is formed by combining a plurality of lithium batteries with the same capacity or different capacities, the charging management unit realizes the charging management of the lithium batteries, and the voltage transformation module performs boosting treatment on the voltage discharged by the lithium battery module so as to realize the charging of the electronic equipment.
The lithium battery module that a plurality of lithium batteries of combination constitute has a common energy supply end and two first output ends and the second output end of connecting this energy supply end, and in this embodiment, the one end that lithium battery module connects vary voltage module is the energy supply end.
Specifically, in this embodiment, the power supply device includes three power calculation modules, a first power calculation module is connected to a port of the energy supply end, an output end of the first power calculation module is used as an output end of the energy supply end, a second power calculation module is connected to the first output end, a third power calculation module is connected to the second output end, each power calculation module in this embodiment includes an electricity meter and a power meter, the electricity meter is used for monitoring an electricity consumption amount corresponding to the output end or the line connected with the electricity meter, and the power meter is used for monitoring an instantaneous power corresponding to the connection of the electricity meter.
As a further preferable mode of this embodiment, the system further includes an electricity quantity IC connected to the lithium battery module for monitoring the real-time capacitance of the lithium battery module, and it should be noted that the electricity quantity monitored by the electricity quantity meter is different from the electricity quantity monitored by the electricity quantity IC, and the electricity quantity meter monitors the sum of electricity consumption corresponding to the output terminal or the line connected thereto, so that the reading of the electricity quantity meter connected to the power supply terminal is not the same as the reading of the electricity quantity IC.
As a further preferable mode of the embodiment, the lithium battery module further comprises a protocol distribution module and a power distribution module, according to the electronic equipment model accessed by the output end, a charging protocol supported by the electronic equipment is read through a serial bus, the supported protocol is selected to charge the electronic equipment, then the charging power range of the electronic equipment is determined from the protocol through the power distribution module, when the power consumption level of the electronic equipment is reduced, the charging protocol of the electronic equipment is adjusted, the charging power range of the electronic equipment is adjusted, so that the pressure of the voltage transformation module is reduced, and the protection of the lithium battery module is realized.
The embodiment also comprises a sensing module, wherein the sensing module is connected with each power calculation module and is used for registering electric quantity and power consumption signals sampled by each power calculation module, sending the received signals from the power calculation modules to an analog front end for processing, and then converting the signals into digital signals through a digital-to-analog converter; the control logic circuit controls the automatic sampling time interval of the power calculation module according to the preset value, and meanwhile, the digital signals output by the digital-to-analog converter are stored in the register after being averaged.
And the reset module is used for zeroing the power consumption statistics and the electric quantity statistics, and is connected with each power calculation module of the embodiment and comprises a bridge matching resistor and a reset terminal capacitor. It should be noted that, the reset terminal capacitor of the reset module in this embodiment has two modes, i.e. manual triggering and cpu triggering.
When the power calculation module is triggered manually, namely, a reset button is arranged on the reset module, after the reset button is reset, namely, after the reset terminal capacitance connected with each power calculation module is discharged, the power calculation module is reset, an electric pulse is sent to the sensing module, the sensing module records the time stamp of the electric pulse, the electric signal between the time stamps is reserved in a register, the periodic record of electric quantity statistics and power consumption statistics is realized, the central processing unit triggers the reset terminal capacitance connected with each power calculation module selectively without integral triggering, and meanwhile, after any reset terminal capacitance is triggered, the sensing module records the time stamp data and records the power calculation module corresponding to the triggered reset terminal capacitance.
The central processing unit of the embodiment is powered by the lithium battery module, is connected to the power calculation module, the sensing module and the reset module in the embodiment, executes the call to each module, and can call the stage power consumption data and the electric quantity data.
As a further preferable mode of the present embodiment, the present invention further includes an interface module including at least an interface controller and a communication module; the interface controller is suitable for controlling signals in the register to be transmitted through any port of the communication module; the port comprises a wired communication port and a wireless communication port which are connected with the power distribution module, the wireless communication port is connected to the signal transmitter, the wired communication port is integrated in the serial bus, and when the connected electronic equipment is electronic equipment with basic operation programs such as a mobile phone or a smart watch, real-time power consumption data and staged power consumption data can be synchronously uploaded into the electronic equipment.
The system also comprises a display module, wherein the display module is used for acquiring and displaying the power consumption statistics and the electric quantity statistics, and can realize the display of the staged data after the central processing unit executes the call to the register.
And the alarm module is connected with the central processing unit, and judges and alarms according to the current values of the electric quantity information and the power consumption information. The alarm module comprises an LED lamp or a buzzer prompter.
Example two
The embodiment comprises a lithium battery module, a charging management unit and a transformation module, wherein the lithium battery module is provided with at least one energy supply end and a plurality of output ends connected with the energy supply end, and further comprises
The power calculation modules are at least arranged in a plurality, one power calculation module is arranged at the energy supply end port, the power calculation modules are correspondingly arranged in the output ends, and the power calculation modules at least comprise an electricity meter and a power meter;
the protocol distribution module distributes a charging protocol according to the type of the electronic equipment accessed by the output end;
the power distribution module determines the charging power range of the accessed electronic equipment according to a charging protocol distributed by the protocol distribution module to the accessed electronic equipment type;
the sensing module is connected with each power calculation module and is used for registering signals of the power calculation modules;
the reset module is used for zeroing the power consumption statistics and the electric quantity statistics;
the lithium battery is used for supplying power, the lithium battery is connected to the power calculation module, the sensing module and the reset module, and the central processing unit is used for executing the call of each module;
the power consumption statistics module is used for obtaining the power consumption statistics and the electric quantity statistics and displaying the power consumption statistics and the electric quantity statistics.
Further, the sensing module comprises
The digital-to-analog converter comprises an analog front end, a digital-to-analog converter, a control logic circuit and a register;
the received signals from the power calculation module are sent to an analog front end for processing, and then are converted into digital signals through a digital-to-analog converter;
the control logic circuit controls the automatic sampling time interval of the power calculation module according to the preset value, and meanwhile, the digital signals output by the digital-to-analog converter are stored in the register after being averaged.
Further, the device also comprises an interface module, which at least comprises an interface controller and a communication module;
the interface controller is suitable for controlling signals in the register to be transmitted through any port of the communication module;
the port includes
A wired communication port connected to the power splitter, and
a wireless communication port connected to the signal transmitter.
The power calculation module is in communication connection with the bridge matching resistor and the reset terminal capacitor.
Further, the system also comprises an alarm module which is connected with the central processing unit, and judges and alarms according to the current values of the electric quantity information and the power consumption information.
Further, the alarm module comprises an LED lamp or a buzzer prompter.
Further, the signal transmitter is a Bluetooth or WI-FI transmitter.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (7)
1. The utility model provides a portable power source of electrified meter low-power consumption protection, includes lithium battery module, charge management unit and vary voltage module, lithium battery module be provided with at least one energy supply end and with a plurality of output that energy supply end is connected, its characterized in that still includes
The power calculation modules are at least arranged in a plurality, one power calculation module is arranged at the energy supply end port, the power calculation modules are correspondingly arranged in the output ends, and the power calculation modules at least comprise an electricity meter and a power meter;
the protocol distribution module distributes a charging protocol according to the type of the electronic equipment accessed by the output end;
the power distribution module determines the charging power range of the accessed electronic equipment according to a charging protocol distributed by the protocol distribution module to the accessed electronic equipment type;
the sensing module is connected with each power calculation module and is used for registering signals of the power calculation modules;
the reset module is used for zeroing the power consumption statistics and the electric quantity statistics;
the lithium battery is used for supplying power, the lithium battery is connected to the power calculation module, the sensing module and the reset module, and the central processing unit is used for executing the call of each module;
the power consumption statistics module is used for obtaining the power consumption statistics and the electric quantity statistics and displaying the power consumption statistics and the electric quantity statistics.
2. The portable power supply circuit with meter low power protection as described in claim 1, wherein said sensing module comprises
The digital-to-analog converter comprises an analog front end, a digital-to-analog converter, a control logic circuit and a register;
the received signals from the power calculation module are sent to an analog front end for processing, and then are converted into digital signals through a digital-to-analog converter;
the control logic circuit controls the automatic sampling time interval of the power calculation module according to the preset value, and meanwhile, the digital signals output by the digital-to-analog converter are stored in the register after being averaged.
3. The portable power source with meter low power protection as claimed in claim 2, further comprising an interface module including at least an interface controller and a communication module;
the interface controller is suitable for controlling signals in the register to be transmitted through any port of the communication module;
the port includes
A wired communication port connected to the power splitter, and
a wireless communication port connected to the signal transmitter.
4. A mobile power supply with meter low power protection as described in claim 3 wherein said reset module comprises a bridge matching resistor and a reset terminal capacitor, said meter circuit communicatively connecting said bridge matching resistor and said reset terminal capacitor.
5. The mobile power supply with electricity meter low power consumption protection according to claim 1, further comprising an alarm module connected with the central processing unit, wherein the alarm module is used for judging and alarming according to the current values of the electricity quantity information and the power consumption information.
6. The portable power source with meter low power protection of claim 1, wherein the alarm module comprises an LED light or a buzzer indicator.
7. The portable power source with meter low power protection of claim 2, wherein the signal transmitter is a bluetooth or WI-FI transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310679493.5A CN116780697A (en) | 2023-06-08 | 2023-06-08 | Mobile power supply with electricity meter low-power-consumption protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310679493.5A CN116780697A (en) | 2023-06-08 | 2023-06-08 | Mobile power supply with electricity meter low-power-consumption protection |
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| Publication Number | Publication Date |
|---|---|
| CN116780697A true CN116780697A (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310679493.5A Pending CN116780697A (en) | 2023-06-08 | 2023-06-08 | Mobile power supply with electricity meter low-power-consumption protection |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617628A (en) * | 2015-02-15 | 2015-05-13 | 珠海市一微半导体有限公司 | Mobile power source having battery capacity detection function |
| US20170324258A1 (en) * | 2014-10-27 | 2017-11-09 | Beijing Yuanlong Yato Culture Dissemination Co., Ltd. | Multifunctional Data Mobile Power Supply and Charging Method |
| CN110492569A (en) * | 2019-08-26 | 2019-11-22 | 珠海格力电器股份有限公司 | Mobile power source and its control method, device |
| CN110990314A (en) * | 2019-11-29 | 2020-04-10 | 北京小米移动软件有限公司 | Electronic equipment identification method and device, terminal equipment and electronic equipment |
| CN213661247U (en) * | 2020-11-17 | 2021-07-09 | 广州疆海科技有限公司 | Support high-power output's multi-functional treasured that charges |
| CN215322039U (en) * | 2021-07-14 | 2021-12-28 | 张�成 | Charger baby for electric vehicle |
| CN215897331U (en) * | 2021-07-30 | 2022-02-22 | 张成君 | Treasured charges with show function |
| CN115882535A (en) * | 2021-09-26 | 2023-03-31 | 荣耀终端有限公司 | Charging control method, electronic equipment and charging control system |
-
2023
- 2023-06-08 CN CN202310679493.5A patent/CN116780697A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170324258A1 (en) * | 2014-10-27 | 2017-11-09 | Beijing Yuanlong Yato Culture Dissemination Co., Ltd. | Multifunctional Data Mobile Power Supply and Charging Method |
| CN104617628A (en) * | 2015-02-15 | 2015-05-13 | 珠海市一微半导体有限公司 | Mobile power source having battery capacity detection function |
| CN110492569A (en) * | 2019-08-26 | 2019-11-22 | 珠海格力电器股份有限公司 | Mobile power source and its control method, device |
| CN110990314A (en) * | 2019-11-29 | 2020-04-10 | 北京小米移动软件有限公司 | Electronic equipment identification method and device, terminal equipment and electronic equipment |
| CN213661247U (en) * | 2020-11-17 | 2021-07-09 | 广州疆海科技有限公司 | Support high-power output's multi-functional treasured that charges |
| CN215322039U (en) * | 2021-07-14 | 2021-12-28 | 张�成 | Charger baby for electric vehicle |
| CN215897331U (en) * | 2021-07-30 | 2022-02-22 | 张成君 | Treasured charges with show function |
| CN115882535A (en) * | 2021-09-26 | 2023-03-31 | 荣耀终端有限公司 | Charging control method, electronic equipment and charging control system |
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