CN103701165A - Method and device for activating mobile power supply - Google Patents
Method and device for activating mobile power supply Download PDFInfo
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- CN103701165A CN103701165A CN201310675970.7A CN201310675970A CN103701165A CN 103701165 A CN103701165 A CN 103701165A CN 201310675970 A CN201310675970 A CN 201310675970A CN 103701165 A CN103701165 A CN 103701165A
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- 230000004913 activation Effects 0.000 claims description 41
- 238000001514 detection method Methods 0.000 claims description 29
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- 230000002159 abnormal effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
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Abstract
The invention relates to the filed of power supplies and relates to a method and a device for activating a mobile power supply. The method comprises the following steps of when a circuit between a DC/DC (Direct Current/Direct Current) module in the mobile power supply and a battery protecting circuit is disconnected, detecting whether a switch in an automatically activated circuit is pressed or not by a main controller; if so, generating current in the automatically activated circuit, and conducting the circuit between the DC/DC module and the battery protecting circuit; when the circuit between the DC/DC module and the battery protecting circuit is conducted, detecting the high and low levels of a load by the main controller according to a load identifying circuit to control the DC/DC module to begin output, carrying out AD (Analog-to-Digital) acquisition on the voltage change at the resistor end of the load by a load current-detecting circuit according to the output of the DC/DC module, calculating the current of the load by the main controller according to a received voltage AD signal, and sending the current to be displayed to a display screen. Through the method and the device, the mobile power supply can be activated by only restarting the switch, the continuous output of a battery to the load is adjusted according to the current magnitude of the load, and the current value of the load is displayed.
Description
Technical field
The present invention relates to field of power supplies, definite, be a kind of method and device that activates portable power source.
Background technology
Along with the development of the consumer electronics industry and the raising of people's living standard, increasing mobile product emerges in large numbers thereupon, become the indispensable instrument of the social amusement work of people, even these mobile products of saying of exaggeration have been penetrated into the every aspect of our life and work etc. not, their appearance brings more convenient and enjoyment, but mostly the power supply of ambulatory handheld electronic product is powered battery, and present stage be subject to the capacity that affects battery of technology and cost can only maintain the use of equipment short time, so portable power source just arises at the historic moment.
We pass through a large amount of market surveys in conjunction with client's feedack; discovery is that on market, existing portable power source product has a very serious drawback; be exactly that people are when carrying portable power source trip; if careless, use (charging load excessive or short circuit) to cause portable power source self-shield; just can only use dispatch from foreign news agency (adapter) charging to activate; otherwise cannot continue to use; the portable power source that so originally can bring convenience has become burden on the contrary, also may to user, cause damage because of having influence on stroke to charging of mobile devices.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of portable power source, and object is that itself is automatically controlled and exited power protecting circuit by switch not by additional power source in the situation that, thereby activates portable power source running.
The technical scheme that the present invention solves the problems of the technologies described above, a kind of method that activates portable power source, comprising:
When the circuit in portable power source between DC/DC module and battery protecting circuit disconnects, whether the switch that master controller detects in automatic activation circuit is pressed;
If so, in described automatic activation circuit, generate electric current, the circuit described in conducting between DC/DC module and battery protection;
When circuit turn-on between described DC/DC module and battery protection; master controller detects load level height according to load identification circuit and controls DC/DC module and start to export; load current detection circuit carries out AD collection according to the output of DC/DC module to the change in voltage of the resistance terminal of load; described master controller is according to the electric current of the voltage AD calculated signals load receiving, and transmission is shown to display screen.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described when in portable power source, the circuit between DC/DC module and battery protection disconnects before, comprising:
Described main controller controls battery discharges to applied load; whether described electronic protection circuit detects described battery and discharges extremely; if not; master controller continues to control battery discharge; if; master controller forbids that battery externally discharges, and the circuit between DC/DC module and battery protection is disconnected.
Further; described automatic activation circuit comprises at least one diode, at least one electric capacity, at least one resistance, at least one switch, at least one battery protection ic; the switch detecting in automatic activation circuit when master controller is pressed; described master controller according to after described switch conduction moment battery cathode and whole Circuits System negative pole there is moment short circuit; the characteristic of utilizing diode unilateal conduction and electric capacity not to break through; realize activated batteries protection IC, thereby activate the circuit between DC/DC module and battery protecting circuit.
Further, described master controller is according to the electric current of the voltage AD calculated signals load receiving, and sends and be shown to display screen, and details are as follows:
When circuit turn-on between described DC/DC module and battery protection, master controller has detected load and has inserted, load identification circuit sends the signal of telecommunication to master controller according to the height of load level, described master control is controlled DC/DC module according to the height of load level and is started output, load current detection circuit carries out real-time AD collection according to the output that receives DC/DC module to the resistance of load, and collection AD signal is sent to master controller, described master controller is according to gathering the required size of current of AD calculated signals load, and size of current is sent and is shown to display screen.
Another object of the embodiment of the present invention is to provide a kind of portable power source activating; it comprises battery protecting circuit, master controller, DC/DC module, battery, automatic activation circuit, load current detection circuit, load identification circuit, load, display screen; it is characterized in that
The input of battery protecting circuit connects respectively automatic activation circuit and battery, and whether described battery protecting circuit exists electric discharge abnormal to additional load for detection of battery;
The output of described battery protecting circuit connects DC/DC module, the input of described DC/DC module is connected respectively master controller and load current detection circuit with output, and described DC/DC module is for providing voltage according to the discharge signal receiving to load current detection circuit;
Described load current detection circuit connects load identification circuit, the voltage that described load current detection circuit receives the output of DC/DC module for base area carries out real-time AD collection to the resistance of load, and collection AD signal is sent to master controller through overload identification circuit;
The two ends of described load identification circuit are connecting respectively load and master controller, and described load identification circuit is for sending to the signal of telecommunication of generation master controller and provide voltage access source to load according to the height of load level;
Described master controller is connecting display screen, and described master controller is used for controlling DC/DC module discharge voltage and calculating receives load current, and sends to display screen and show.
Further, described automatic activation circuit comprises at least one diode, at least one electric capacity, at least one resistance, at least one switch, at least one battery protection ic, described automatic activation circuit respectively with battery protecting circuit, battery and master controller are connected, described battery is connected with described master controller by the switch in described automatic activation circuit, described battery protecting circuit is connected with described master controller by described automatic activation circuit, described automatic activation circuit is for the circuit between activated batteries protection IC conducting DC/DC module and battery protecting circuit.
Further, described portable power source also comprises:
Described master controller is connecting charge management module, and the output of described charge management module is connecting battery by battery protecting circuit, described charge management module its for battery being charged according to receiving master controller signal;
Described battery is being connected respectively charge management module and DC/DC module at input and output, and it is for being that the signal of charge management module carries out power storage or receive DC/DC module by signal discharging to applied load according to receiving;
The input of described display screen is connecting master controller, and it sends load current size for showing according to the master controller receiving;
Described load is connecting load identification circuit, and it is for receiving battery discharge and the height of level own being provided to load identification circuit.
Further, described DC/DC module at least comprises an oscillator and copped wave module, described load identification circuit is comprised of at least one metal-oxide-semiconductor, at least one resistance, at least one electric capacity, described load current detection circuit is comprised of at least one resistance, described display circuit is that LED or LCD material form, and described load is a kind of of at least any mobile terminal.
The invention has the beneficial effects as follows: in circuit structure, increased an automatic activation circuit newly; overcome battery protection ic that improper use in traditional portable power source (voltage is excessive or electric current is excessive) causes and metal-oxide-semiconductor make battery and circuit after level system disconnect; the situation that needs outer end charging to activate, the present invention only need be restarted switch just can activate portable power source.And newly-increased current detection circuit, continues output according to the size adjustment battery of load current to load, and demonstrate current value and the remaining capacitance of this load.
Accompanying drawing explanation
Fig. 1 is the method flow diagram that the present invention activates portable power source;
Fig. 2 is the schematic construction frame diagram of portable power source of the present invention;
Fig. 3 is the automatic activation circuit frame figure of portable power source of the present invention.
Embodiment
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, for the present invention, activate the method flow diagram of portable power source.Details are as follows:
When the circuit in portable power source between DC/DC module and battery protecting circuit disconnects, whether the switch that master controller detects in automatic activation circuit is pressed;
If so, in described automatic activation circuit, generate electric current, the circuit described in conducting between DC/DC module and battery protection;
When circuit turn-on between described DC/DC module and battery protection; master controller detects load level height according to load identification circuit and controls DC/DC module and start to export; load current detection circuit carries out AD collection according to the output of DC/DC module to the change in voltage of the resistance terminal of load; described master controller is according to the electric current of the voltage AD calculated signals load receiving, and transmission is shown to display screen.
In this example, described when in portable power source, the circuit between DC/DC module and battery protection disconnects before, comprising:
Described main controller controls battery discharges to applied load; whether described electronic protection circuit detects described battery and discharges extremely; if not; master controller continues to control battery discharge; if; master controller forbids that battery externally discharges, and the circuit between DC/DC module and battery protection is disconnected.
Further; described automatic activation circuit comprises at least one diode, at least one electric capacity, at least one resistance, at least one switch, at least one battery protection ic; the switch detecting in automatic activation circuit when master controller is pressed; described master controller according to after described switch conduction moment battery cathode and whole Circuits System negative pole there is moment short circuit; the characteristic of utilizing diode unilateal conduction and electric capacity not to break through; realize activated batteries protection IC, thus the circuit between conducting DC/DC module and battery protecting circuit.
Further, described master controller is according to the electric current of the voltage AD calculated signals load receiving, and sends and be shown to display screen, and details are as follows:
When circuit turn-on between described DC/DC module and battery protection, master controller has detected load and has inserted, load identification circuit sends the signal of telecommunication to master controller according to the height of load level, described master control is controlled DC/DC module according to the height of load level and is started output, load current detection circuit carries out real-time AD collection according to the output that receives DC/DC module to the resistance of load, and collection AD signal is sent to master controller, described master controller is according to gathering the required size of current of AD calculated signals load, and size of current is sent and is shown to display screen.
As shown in Figure 2, the schematic construction frame diagram of portable power source of the present invention, details are as follows:
It comprises battery protecting circuit, master controller, DC/DC module, battery, automatic activation circuit, load current detection circuit, load identification circuit, load, display screen, it is characterized in that,
The input of battery protecting circuit connects respectively automatic activation circuit and battery, and whether described battery protecting circuit exists electric discharge abnormal to additional load for detection of battery;
In this example; it is abnormal that described battery protecting circuit detects electric discharge; wherein electric discharge comprises voltage, electric current, excessive and too small extremely; to master controller, send associated electrical signals; described master controller is controlled DC/DC module according to the signal of telecommunication receiving, and sends generating signal and forbids that discharge signal is to described DC/DC module.
The output of described battery protecting circuit connects DC/DC module, the input of described DC/DC module is connected respectively master controller and load current detection circuit with output, and described DC/DC module is for providing voltage according to the discharge signal receiving to load current detection circuit;
In this example, the preferred binary channels of described DC/DC module, DC/DC module is mainly that the voltage of battery is boosted and step-down, too low and too high when the load voltage of access, as long as meet the 5-16V scope of DC/DC module, all can.
Described load current detection circuit connects load identification circuit, the voltage that described load current detection circuit receives the output of DC/DC module for base area carries out real-time AD collection to the resistance of load, and collection AD signal is sent to master controller through overload identification circuit;
In this example, described load current detection circuit is generally at the resistance of the little resistance of one end series connection of resistance, by flowing through in series circuit, the electric current at the resistance two ends of load and sampling equates, take the voltage at resistance two ends, as long as take the voltage at resistance two ends just can judge load current size.
The two ends of described load identification circuit are connecting respectively load and master controller, and described load identification circuit is for sending to the signal of telecommunication of generation master controller and provide voltage access source to load according to the height of load level;
In this example, described load identification circuit, for the identification of circuit, is first sampling, by series connection small resistor (being generally 0.1), electric current is changed into voltage, and then amplification voltage sends to master controller.
Described master controller is connecting display screen, and described master controller is used for controlling DC/DC module discharge voltage and calculating receives load current, and sends to display screen and show.
In this example, the preferred MCU controller type of described master control, MCU controller, in storage organization and bus structures, is more conducive to the AD voltage signal of load resistance to calculate.
Further, described automatic activation circuit comprises at least one diode, at least one electric capacity, at least one resistance, at least one switch, at least one battery protection ic, described automatic activation circuit respectively with battery protecting circuit, battery and master controller are connected, described battery is connected with described master controller by the switch in described automatic activation circuit, described battery protecting circuit is connected with described master controller by described automatic activation circuit, described automatic activation circuit is for the circuit between activated batteries protection IC conducting DC/DC module and battery protecting circuit.
Described portable power source also comprises:
Described master controller is connecting charge management module, and the output of described charge management module is connecting battery by battery protecting circuit, described charge management module its for battery being charged according to receiving master controller signal;
Described battery is being connected respectively charge management module and DC/DC module at input and output, and it is for being that the signal of charge management module carries out power storage or receive DC/DC module by signal discharging to applied load according to receiving;
The input of described display screen is connecting master controller, and it sends load current size for showing according to the master controller receiving;
Described load is connecting load identification circuit, and it is for receiving battery discharge and the height of level own being provided to load identification circuit.
Further, described DC/DC module at least comprises an oscillator and copped wave module, described load identification circuit is comprised of at least one metal-oxide-semiconductor, at least one resistance, at least one electric capacity, described load current detection circuit is comprised of at least one resistance, described display circuit is that LED or LCD material form, and described load is a kind of of at least any mobile terminal.
In this example, described load is a kind of of at least any mobile terminal, and wherein, mobile terminal comprises MP3, MP4, PSP, mobile phone, panel computer, camera, intelligent glasses, intelligent watch, Intelligent wrister etc.
As shown in Figure 3, be the automatic activation circuit frame figure of portable power source of the present invention, details are as follows:
Described automatic activation circuit comprises at least one metal-oxide-semiconductor, at least one electric capacity, at least one inductance, at least one switch; described automatic activation circuit is connected with battery protecting circuit, battery and master controller respectively; described battery is connected with described master controller by the switch in described automatic activation circuit, and described battery protecting circuit is connected with described master controller by described automatic activation circuit.
In this example; preferably; described diode; conducting only needs voltage; do not need electric current, after switch closes moment battery cathode and whole Circuits System negative pole there is moment short circuit, the characteristic of utilizing diode unilateal conduction and electric capacity not to break through; activated batteries protection IC, thereby the circuit between conducting DC/DC module and battery protecting circuit.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a method that activates portable power source, is characterized in that, comprising:
When the circuit in portable power source between DC/DC module and battery protecting circuit disconnects, whether the switch that master controller detects in automatic activation circuit is pressed;
If so, in described automatic activation circuit, generate electric current, the circuit described in conducting between DC/DC module and battery protection;
When circuit turn-on between described DC/DC module and battery protection; master controller detects load level height according to load identification circuit and controls DC/DC module and start to export; load current detection circuit carries out AD collection according to the output of DC/DC module to the change in voltage of the resistance terminal of load; described master controller is according to the electric current of the voltage AD calculated signals load receiving, and transmission is shown to display screen.
2. a kind of method that activates portable power source according to claim 1, is characterized in that, when circuit in portable power source between DC/DC module and battery protection disconnects before, comprising:
Described main controller controls battery discharges to applied load; whether described electronic protection circuit detects described battery and discharges extremely; if not; master controller continues to control battery discharge; if; master controller forbids that battery externally discharges, and the circuit between DC/DC module and battery protection is disconnected.
3. a kind of method that activates portable power source according to claim 1, is characterized in that, in described automatic activation circuit, generates electric current, and the circuit described in conducting between DC/DC module and battery protection comprises:
Described automatic activation circuit comprises at least one diode, at least one electric capacity, at least one resistance, at least one switch, at least one battery protection ic; The switch detecting in automatic activation circuit when master controller is pressed; described master controller according to after described switch conduction moment battery cathode and whole Circuits System negative pole there is moment short circuit; the characteristic of utilizing diode unilateal conduction and electric capacity not to break through; activated batteries protection IC, thereby the circuit between conducting DC/DC module and battery protecting circuit.
4. a kind of method that activates portable power source according to claim 1, is characterized in that, described master controller is according to the electric current of the voltage AD calculated signals load receiving, and sends and be shown to display screen, and details are as follows:
When circuit turn-on between described DC/DC module and battery protection, master controller has detected load and has inserted, load identification circuit sends the signal of telecommunication to master controller according to the height of load level, described master control is controlled DC/DC module according to the height of load level and is started output, load current detection circuit carries out real-time AD collection according to the output that receives DC/DC module to the resistance of load, and collection AD signal is sent to master controller, described master controller is according to gathering the required size of current of AD calculated signals load, and size of current is sent and is shown to display screen.
5. a portable power source, it comprises battery protecting circuit, master controller, DC/DC module, battery, automatic activation circuit, load current detection circuit, load identification circuit, load, display screen, it is characterized in that,
The input of battery protecting circuit connects respectively automatic activation circuit and battery, and whether described battery protecting circuit exists electric discharge abnormal to additional load for detection of battery;
The output of described battery protecting circuit connects DC/DC module, the input of described DC/DC module is connected respectively master controller and load current detection circuit with output, and described DC/DC module is for providing voltage according to the discharge signal receiving to load current detection circuit;
Described load current detection circuit connects load identification circuit, the voltage that described load current detection circuit receives the output of DC/DC module for base area carries out real-time AD collection to the resistance of load, and collection AD signal is sent to master controller through overload identification circuit;
The two ends of described load identification circuit are connecting respectively load and master controller, and described load identification circuit is for sending to the signal of telecommunication of generation master controller and provide voltage access source to load according to the height of load level;
Described master controller is connecting display screen, and described master controller is used for controlling DC/DC module discharge voltage and calculating receives load current, and sends to display screen and show.
6. according to a kind of portable power source shown in claim 5, it is characterized in that, described automatic activation circuit comprises at least one diode, at least one electric capacity, at least one resistance, at least one switch, at least one battery protection ic, described automatic activation circuit respectively with battery protecting circuit, battery and master controller are connected, described battery is connected with described master controller by the switch in described automatic activation circuit, described battery protecting circuit is connected with described master controller by described automatic activation circuit, described automatic activation circuit is for the circuit between activated batteries protection IC conducting DC/DC module and battery protecting circuit.
7. according to a kind of portable power source shown in claim 5, it is characterized in that, described portable power source also comprises:
Described master controller is connecting charge management module, and the output of described charge management module is connecting battery by battery protecting circuit, described charge management module its for battery being charged according to receiving master controller signal;
Described battery is being connected respectively charge management module and DC/DC module at input and output, and it is for being that the signal of charge management module carries out power storage or receive DC/DC module by signal discharging to applied load according to receiving;
The input of described display screen is connecting master controller, and it sends load current size for showing according to the master controller receiving;
Described load is connecting load identification circuit, and it is for receiving battery discharge and the height of level own being provided to load identification circuit.
8. according to 7 of claim 5 arbitrary described a kind of portable power sources, it is characterized in that, described DC/DC module at least comprises an oscillator and copped wave module, described load identification circuit is comprised of at least one metal-oxide-semiconductor, at least one resistance, at least one electric capacity, described load current detection circuit is comprised of at least one resistance, described display circuit is that LED or LCD material form, and described load is a kind of of at least any mobile terminal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310675970.7A CN103701165B (en) | 2013-12-11 | 2013-12-11 | A kind of method activating portable power source and device |
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| CN201310675970.7A CN103701165B (en) | 2013-12-11 | 2013-12-11 | A kind of method activating portable power source and device |
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| CN106655431A (en) * | 2016-12-21 | 2017-05-10 | 江西佰仕通电子科技有限公司 | Charger circuit capable of automatically adjusting current |
| CN108685175A (en) * | 2017-04-10 | 2018-10-23 | 常州市派腾电子技术服务有限公司 | Atomization circuit, atomising device and atomization circuit control method |
| WO2019184362A1 (en) * | 2018-03-28 | 2019-10-03 | 深圳市道通智能航空技术有限公司 | Activation system for electric meter and electronic device |
| WO2019184363A1 (en) * | 2018-03-29 | 2019-10-03 | 深圳市道通智能航空技术有限公司 | Power supply system for reducing power consumption and electronic device |
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| CN103701165B (en) | 2016-06-29 |
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