CN113394467A - Intelligent battery for mobile terminal equipment - Google Patents
Intelligent battery for mobile terminal equipment Download PDFInfo
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- CN113394467A CN113394467A CN202110492829.8A CN202110492829A CN113394467A CN 113394467 A CN113394467 A CN 113394467A CN 202110492829 A CN202110492829 A CN 202110492829A CN 113394467 A CN113394467 A CN 113394467A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/247—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention provides an intelligent battery for mobile terminal equipment, and belongs to the technical field of intelligent batteries. The intelligent battery comprises a battery power supply block, a load switch module and a power supply management module; the battery power supply block is electrically connected with the load switch module and the power supply management module respectively; the load switch module is electrically connected with the power management module; and the mobile terminal equipment is electrically connected with the load switch module and the power management module respectively.
Description
Technical Field
The invention provides an intelligent battery for mobile terminal equipment, and belongs to the technical field of intelligent batteries.
Background
For mobile terminal equipment, a battery power supply scheme is basically adopted at present, electric energy is still consumed under the shutdown condition, for example, a notebook computer has shutdown power consumption of about 0.05W to 1W, the shutdown power consumption is different because of different schemes of different manufacturers, the consumed electric energy is completely from a battery (in a non-charging state), the electric energy output of the conventional battery is always kept no matter what state the computer is in at present, and the standby design scheme of the power supply of the conventional computer is added, so the electric energy of the battery is always consumed even though the computer is shut down.
Disclosure of Invention
The invention provides an intelligent battery for mobile terminal equipment, which is used for solving the problems of shutdown power consumption and high battery energy consumption of the battery of the traditional mobile terminal equipment in the power supply process:
the invention provides an intelligent battery for mobile terminal equipment, which comprises a battery power supply block, a load switch module and a power supply management module; the battery power supply block is electrically connected with the load switch module and the power supply management module respectively; the load switch module is electrically connected with the power management module; and the mobile terminal equipment is electrically connected with the load switch module and the power management module respectively.
Furthermore, a power supply positive electrode signal end of the load switch module is connected with a power supply positive electrode signal end of the mobile terminal equipment; and the switch signal end of the load switch module is connected with the switch signal end of the power management module.
Furthermore, a switch input signal end of the power management module is connected with a switch input signal end of the mobile terminal device; the machine state signal end of the power management module is connected with the machine state signal end of the mobile terminal device; the standby power supply OK signal end of the power supply management module is connected with the standby power supply OK signal end of the mobile terminal equipment; the starting output signal end of the power management module is connected with the switch output signal end of the mobile terminal equipment; the SMBUS interaction end of the power management module is connected with the SMBUS interaction end of the mobile terminal equipment; and the power supply negative electrode signal end of the power supply management module is connected with the power supply negative electrode signal end of the mobile terminal equipment.
Furthermore, the power supply mode of the intelligent battery to the power supply comprises a first power supply mode and a second power supply mode: the first power supply mode is that the mobile terminal equipment is powered by the intelligent battery and an external power supply; and the second power supply mode is to supply power to the mobile terminal only through the intelligent battery.
Further, the second power supply mode includes:
and (3) starting up to shutdown: after the mobile terminal equipment is shut down, the intelligent battery judges according to an interface signal 'machine state signal', and if the mobile terminal equipment is in a shut-down state, the power supply management module cuts off the power supply of a 'power supply anode';
shutdown to startup stage: the power management module immediately turns on the power supply of the power anode after receiving a switching signal of an interface signal ' switching input signal ', waits for the standby power supply of the mobile terminal equipment to be started at the moment, the mobile terminal equipment sends a signal to the standby power supply OK signal ' of the interface, and after receiving the signal, the power management module sends the signal to the mobile terminal equipment through the interface signal ' switching output signal ' to enter a normal starting state;
sleep on start, sleep state stage: after a switch input signal end of the power management module receives a switch signal, the switch input signal end immediately sends the switch signal to the mobile terminal equipment through a switch output signal end, the mobile terminal equipment enters a sleep mode and a sleep mode, a power supply positive electrode signal end of the load switch always keeps a power supply state, and when the power supply positive electrode is disconnected, the equipment is in a zero power consumption state.
Further, the intelligent battery operation process from the power-on stage to the power-off stage includes:
step a1, when the mobile terminal device is turned off, the mobile terminal device will send a low level signal of S5 to the machine state signal end of the power management module of the smart battery;
step a2, the machine state signal end of the power management module immediately sends a battery closing signal in the battery opening/closing signal to the load switch module after receiving the low level washing signal sent by the mobile terminal device;
step a3, after the load switch module receives the battery shutdown signal, the intelligent power supply is shut down, and at this time, the level output by the power supply positive electrode signal end of the load switch module is reduced to zero, that is, the power supply supplying power to the mobile terminal device is in a zero power consumption state.
Further, the operation process of the intelligent battery from the shutdown stage to the startup stage includes:
b1, in the initial state, the power supply state of the mobile terminal device is the off state, the starting process starts from the starting button, the starting signal sent by the starting button of the mobile terminal device is sent to the switch input signal end of the power management module;
b2, after the switch input signal end of the power management module receives the start-up signal sent by the mobile terminal equipment, the power management module judges whether the machine state of the mobile terminal equipment is the start-up state or not through the machine state signal end;
b3, when the judgment result is that the mobile terminal device is in the on state, the power supply management module immediately sends a battery opening signal in the battery opening/closing signal to the load switch; the load switch turns on the intelligent battery to supply power to the terminal equipment after receiving the battery starting signal;
step b4, waiting whether the level of the standby power supply OK signal end of the power supply management module is high, when the level of the standby power supply OK signal end of the power supply management module is high, the power supply management module continuously supplies power to the mobile terminal equipment through a switch output signal end, and the mobile terminal starts to enter a normal starting time sequence to complete starting.
Further, the operation process of the intelligent battery in the sleep state stage during startup comprises:
step c1, when the running condition of the mobile terminal device enters a power-on dormant or sleep state, the machine state signal end of the mobile terminal device outputs a level signal which is always kept at a high level;
and step c2, when the signal received by the machine state signal end of the power management module is a high level signal all the time, the power management module only needs to directly bypass the switch input signal to the switch output signal, and when the switch input signal is directly bypass to the switch output signal, the intelligent battery enters.
Further, the second power supply mode further includes:
and (3) awakening stage: and after the switch input signal end of the power management module receives the switch signal, the switch output signal end immediately sends the switch signal to the mobile terminal equipment, and the mobile terminal equipment enters the awakening operation.
Further, the battery power supply block comprises a plurality of battery cells; the plurality of battery cells are connected in series or in parallel; the battery cell comprises a battery cell body, a first heat conduction sheet body and a second heat conduction sheet body; the first heat-conducting sheet body is attached to the upper surface of the battery cell body in an inclined mode; the second heat-conducting sheet body is attached to the lower surface of the battery cell body in an inclined mode; the first heat conduction body and the second heat conduction body are opposite in inclination direction;
the first thermally conductive sheet body includes a pair of parallel sides and a pair of non-parallel sides; contained angle alpha between parallel limit of first heat conduction lamellar body and long limit of electricity core body 130 °; the angle between the non-parallel edge and the parallel edge on one side of the pair of non-parallel edges close to the bottom edge of the battery cell body is obtained through the following formula:
wherein, beta1Representing an angle between the non-parallel side and the parallel side of one side of the pair of non-parallel sides close to the bottom side of the cell body; l represents the length of the long side of the cell body; d represents the length of the wide side of the cell body; h represents the thickness of the cell body;
the angle between the non-parallel edge and the parallel edge on one side of the pair of non-parallel edges close to the top edge of the cell body is obtained through the following formula:
wherein, beta2Representing the angle between the non-parallel edge and the parallel edge at one side close to the top edge of the cell body in a pair of non-parallel edges;
the second thermally conductive sheet body includes a pair of parallel sides and a pair of non-parallel sides; contained angle alpha between parallel limit of second heat conduction lamellar body and long limit of electricity core body245 degrees; the angle between the non-parallel edge and the parallel edge on one side of the pair of non-parallel edges close to the bottom edge of the battery cell body is obtained through the following formula:
wherein λ is1Representing the angle between the non-parallel side and the parallel side of one side of the pair of non-parallel sides close to the bottom side of the cell body;
the angle between the non-parallel edge and the parallel edge on one side of the pair of non-parallel edges close to the top edge of the cell body is obtained through the following formula:
wherein λ is2The angle between the non-parallel side and the parallel side of one side of the pair of non-parallel sides close to the top edge of the cell body is shown.
The invention has the beneficial effects that:
the intelligent battery for the mobile terminal equipment is mainly used on handheld equipment or mobile equipment batteries, such as pen batteries, tablet personal computer batteries and special industry mobile computer batteries; the purpose is to realize that the power consumption of the battery tends to zero in the shutdown state of the equipment, and the method is used for prolonging the battery endurance time and delaying the service life of the battery. The intelligent battery for the mobile terminal equipment can realize that the power consumption of the machine (except the matched battery) is zero in a shutdown state, and the battery is in a dormant state, so that the battery consumption of the battery in shutdown is greatly saved.
Drawings
FIG. 1 is a block diagram of a smart battery system according to the present invention;
FIG. 2 is a circuit configuration diagram of the smart battery according to the present invention;
fig. 3 is a first cell structure diagram according to the present invention;
fig. 4 is a battery cell structure diagram of the invention.
(VBAT, positive power supply electrode; GPIO _ SW _ IN _ N, switch input signal; GPIO _ SW _ OUT _ N, switch output signal; GPIO _ STATE _ N, machine STATE signal; GPIO _ STB _ PWROK, standby power OK signal; GND, negative power supply electrode; SMB _ CLK, SMB _ DAT, SMBUS bus; DSG, switch signal; 1, cell body; 2, first heat-conducting sheet body; 3, second heat-conducting sheet body).
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1, the intelligent battery includes a battery power supply block, a load switch module and a power supply management module; the battery power supply block is electrically connected with the load switch module and the power supply management module respectively; the load switch module is electrically connected with the power management module; and the mobile terminal equipment is electrically connected with the load switch module and the power management module respectively.
The power supply positive electrode signal end of the load switch module is connected with the power supply positive electrode signal end of the mobile terminal equipment; and the switch signal end of the load switch module is connected with the switch signal end of the power management module. The switch input signal end of the power management module is connected with the switch input signal end of the mobile terminal equipment; the machine state signal end of the power management module is connected with the machine state signal end of the mobile terminal device; the standby power supply OK signal end of the power supply management module is connected with the standby power supply OK signal end of the mobile terminal equipment; the starting output signal end of the power management module is connected with the switch output signal end of the mobile terminal equipment; the SMBUS interaction end of the power management module is connected with the SMBUS interaction end of the mobile terminal equipment; and the power supply negative electrode signal end of the power supply management module is connected with the power supply negative electrode signal end of the mobile terminal equipment.
The intelligent battery comprises a first power supply mode and a second power supply mode: the first power supply mode is that the mobile terminal equipment is powered by the intelligent battery and an external power supply; and the second power supply mode is to supply power to the mobile terminal only through the intelligent battery.
Wherein the second power supply mode comprises:
and (3) starting up to shutdown: after the mobile terminal equipment is shut down, the intelligent battery judges according to an interface signal 'machine state signal', and if the mobile terminal equipment is in a shut-down state, the power supply management module cuts off the power supply of a 'power supply anode';
shutdown to startup stage: the power management module immediately turns on the power supply of the power anode after receiving a switching signal of an interface signal ' switching input signal ', waits for the standby power supply of the mobile terminal equipment to be started at the moment, the mobile terminal equipment sends a signal to the standby power supply OK signal ' of the interface, and after receiving the signal, the power management module sends the signal to the mobile terminal equipment through the interface signal ' switching output signal ' to enter a normal starting state;
sleep on start, sleep state stage: after a switch input signal end of the power management module receives a switch signal, the switch input signal end immediately sends the switch signal to the mobile terminal equipment through a switch output signal end, the mobile terminal equipment enters a sleep mode and a sleep mode, a power supply positive electrode signal end of the load switch always keeps a power supply state, and when the power supply positive electrode is disconnected, the equipment is in a zero power consumption state.
The specific battery operation process of each stage is as follows:
the intelligent battery operation process from the startup stage to the shutdown stage comprises the following steps:
step a1, when the mobile terminal device is turned off, the mobile terminal device will send a low level signal of S5 to the machine state signal end of the power management module of the smart battery;
step a2, the machine state signal end of the power management module immediately sends a battery closing signal in the battery opening/closing signal to the load switch module after receiving the low level washing signal sent by the mobile terminal device;
step a3, after the load switch module receives the battery shutdown signal, the intelligent power supply is shut down, and at this time, the level output by the power supply positive electrode signal end of the load switch module is reduced to zero, that is, the power supply supplying power to the mobile terminal device is in a zero power consumption state.
The intelligent battery operation process from the shutdown stage to the startup stage comprises the following steps:
b1, in the initial state, the power supply state of the mobile terminal device is the off state, the starting process starts from the starting button, the starting signal sent by the starting button of the mobile terminal device is sent to the switch input signal end of the power management module;
b2, after the switch input signal end of the power management module receives the start-up signal sent by the mobile terminal equipment, the power management module judges whether the machine state of the mobile terminal equipment is the start-up state or not through the machine state signal end;
b3, when the judgment result is that the mobile terminal device is in the on state, the power supply management module immediately sends a battery opening signal in the battery opening/closing signal to the load switch; the load switch turns on the intelligent battery to supply power to the terminal equipment after receiving the battery starting signal;
step b4, waiting whether the level of the standby power supply OK signal end of the power supply management module is high, when the level of the standby power supply OK signal end of the power supply management module is high, the power supply management module continuously supplies power to the mobile terminal equipment through a switch output signal end, and the mobile terminal starts to enter a normal starting time sequence to complete starting.
The operation process of the intelligent battery in the sleep state stage during startup comprises the following steps:
step c1, when the running condition of the mobile terminal device enters a power-on dormant or sleep state, the machine state signal end of the mobile terminal device outputs a level signal which is always kept at a high level;
and step c2, when the signal received by the machine state signal end of the power management module is a high level signal all the time, the power management module only needs to directly bypass the switch input signal to the switch output signal, and when the switch input signal is directly bypass to the switch output signal, the intelligent battery enters.
The second power supply mode further comprises:
and (3) awakening stage: and after the switch input signal end of the power management module receives the switch signal, the switch output signal end immediately sends the switch signal to the mobile terminal equipment, and the mobile terminal equipment enters the awakening operation.
The working principle of the technical scheme is as follows: in the intelligent battery provided by the embodiment, the battery refers to a battery with a control board and is not a battery core; the energy-saving battery interface signal of the invention comprises: the power supply comprises a power supply anode, a power supply cathode, a battery detection signal, an SMBUS, a switch input signal, a machine state signal, a standby power supply OK signal and a switch output signal; the mobile terminal is powered by two states, namely, an external power supply and a battery, and only the battery is used for supplying power. In the present embodiment, only the second case is explained:
in the first state, it can operate in a conventional manner, with a standby power supply, charging the battery,
in the second state, firstly, the process from power on to power off is carried out, after the equipment is powered off, the battery judges according to an interface signal 'machine state signal', and if the equipment is in the power off state, a battery management system (a battery control board) cuts off the power supply of a 'power supply anode'; secondly, in the process from shutdown to startup, the battery management system immediately turns on the power supply of the power supply anode after receiving a switching signal of a switching input signal of an interface signal, waits for the standby power supply of the equipment to get up at the moment, the equipment sends a signal to the standby power supply OK signal of the interface, and the battery management system enters a normal startup state by sending the interface signal switching output signal to the equipment after receiving the signal; and if the machine is started and is in a dormant state, the 'switch input signal' of the battery management system in the sleeping state immediately sends a switch signal to the equipment through the 'switch output signal' after receiving the switch signal, and the normal dormancy awakening operation is carried out, wherein the 'power supply positive pole' is always in a power supply state. The condition that the "power positive pole" is disconnected is that the device is in a zero power consumption state.
As shown in fig. 1, the mobile terminal device includes four processes: 1. a shutdown process, 2, a startup process, 3, a dormancy process, a sleep process and 4, a wake-up process; the working principle of each process is as follows:
shutdown process: as shown in fig. 1, when the terminal system is powered off, a low level signal of S5 is sent to the "machine state signal", the "power management IC" immediately sends the "battery switch signal" to the "load switch IC" to turn off the battery power supply after receiving the signal, and the "power supply positive" level is reduced to zero at this time, that is, the power supply supplying power to the terminal is in a zero power consumption state
The starting process comprises the following steps: as shown in fig. 1, in the initial state, the power supply of the terminal is off, the power-on process starts from the power-on key, the power-on signal sent by the key is sent to the switch input signal, when the power management IC receives the power-on signal and judges the machine state signal, the power management IC immediately sends the battery switch signal to turn on the load switch IC, the power supply is started for the terminal equipment, whether the level of the standby power OK signal is high is waited, when the level is high, the power management IC outputs the signal to the mobile terminal through the switch, and the terminal starts to enter the normal power-on time sequence to complete the power-on process
Dormancy and sleep processes: as shown in fig. 1, if the power-on state enters the sleep/sleep state through the switch, the level of the "machine state signal" is always kept high, and the "power management IC" only needs to directly bypass the "switch input signal" to the "switch output signal" at this time, and the process does not affect the state of the "power anode", so the power consumption of the battery is not affected in the sleep/sleep process
And (3) awakening process: the result is the same as 3, the power supply state of the battery is not influenced, and the process is energy-saving.
In summary, the energy-saving battery technology provided in the embodiment only plays a role in saving energy in the power-off state of the terminal, and does not save energy in other states.
In addition, the power management module in the smart battery in this embodiment may be implemented by a battery management IC or by a battery management IC plus a logic device, and the load switch module may be implemented by a load switch IC or by a mosfet + passive device, where one embodiment of a specific circuit structure is shown in fig. 2.
The effect of the above technical scheme is as follows: the intelligent battery for the mobile terminal equipment provided by the embodiment can realize that the power consumption of the machine (except the matched battery) is zero in the shutdown state, and the battery is in the dormant state, so that the battery consumption of the battery in shutdown is greatly saved, and the endurance time and the service life of the battery are effectively prolonged.
In an embodiment of the present invention, as shown in fig. 3 and 4, the battery power supply block includes a plurality of battery cells; the plurality of battery cells are connected in series or in parallel; the battery cell comprises a battery cell body, a first heat conduction sheet body and a second heat conduction sheet body; the first heat-conducting sheet body is attached to the upper surface of the battery cell body in an inclined mode; the second heat-conducting sheet body is attached to the lower surface of the battery cell body in an inclined mode; the first heat conduction body and the second heat conduction body are opposite in inclination direction;
the first thermally conductive sheet body includes a pair of parallel sides and a pair of non-parallel sides; contained angle alpha between parallel limit of first heat conduction lamellar body and long limit of electricity core body 130 °; the angle between the non-parallel edge and the parallel edge on one side of the pair of non-parallel edges close to the bottom edge of the battery cell body is obtained through the following formula:
wherein, beta1Representing an angle between the non-parallel side and the parallel side of one side of the pair of non-parallel sides close to the bottom side of the cell body; l represents the length of the long side of the cell body; d represents the length of the wide side of the cell body; h represents the thickness of the cell body;
the angle between the non-parallel edge and the parallel edge on one side of the pair of non-parallel edges close to the top edge of the cell body is obtained through the following formula:
wherein, beta2Representing the angle between the non-parallel edge and the parallel edge at one side close to the top edge of the cell body in a pair of non-parallel edges;
the second thermally conductive sheet body includes a pair of parallel sides and a pair of non-parallel sides; contained angle alpha between parallel limit of second heat conduction lamellar body and long limit of electricity core body245 degrees; the angle between the non-parallel edge and the parallel edge on one side of the pair of non-parallel edges close to the bottom edge of the battery cell body is obtained through the following formula:
wherein λ is1Representing the angle between the non-parallel side and the parallel side of one side of the pair of non-parallel sides close to the bottom side of the cell body;
the angle between the non-parallel edge and the parallel edge on one side of the pair of non-parallel edges close to the top edge of the cell body is obtained through the following formula:
wherein λ is2The angle between the non-parallel side and the parallel side of one side of the pair of non-parallel sides close to the top edge of the cell body is shown.
The working principle and the effect of the technical scheme are as follows: through setting up two heat conduction lamellar bodies that inclination is crisscross on the upper and lower surface at electric core body, can go out the heat conduction fast through two heat conduction lamellar bodies under the overheated condition of electric core, prevent that electric core is overheated to lead to burning out the scheduling problem emergence, effectively improve the life of battery and the stability of normal operating. Simultaneously, acquire the inclination on the asymmetric limit of heat conduction lamellar body through above-mentioned formula, can effectively improve the rational distribution nature between heat conduction lamellar body cover electric core body and the remaining non-coverage area, can enough effectively improve effective heat conduction area in the time, can remain partly heat dissipation space for electric core body again, and then improve electric core heat dissipation and heat conduction efficiency. Simultaneously, setting up position and direction that can effectively restrict the heat conduction lamellar body through inclination's setting, can effectively avoid the heat conduction lamellar body slope to set up and cause interference and influence to the pole piece.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An intelligent battery for mobile terminal equipment is characterized in that the intelligent battery comprises a battery power supply block, a load switch module and a power supply management module; the battery power supply block is electrically connected with the load switch module and the power supply management module respectively; the load switch module is electrically connected with the power management module; and the mobile terminal equipment is electrically connected with the load switch module and the power management module respectively.
2. The intelligent battery according to claim 1, wherein the power supply positive signal terminal of the load switch module is connected with the power supply positive signal terminal of the mobile terminal device; and the switch signal end of the load switch module is connected with the switch signal end of the power management module.
3. The intelligent battery according to claim 1, wherein the switch input signal terminal of the power management module is connected with the switch input signal terminal of the mobile terminal device; the machine state signal end of the power management module is connected with the machine state signal end of the mobile terminal device; the standby power supply OK signal end of the power supply management module is connected with the standby power supply OK signal end of the mobile terminal equipment; the starting output signal end of the power management module is connected with the switch output signal end of the mobile terminal equipment; the SMBUS interaction end of the power management module is connected with the SMBUS interaction end of the mobile terminal equipment; and the power supply negative electrode signal end of the power supply management module is connected with the power supply negative electrode signal end of the mobile terminal equipment.
4. The intelligent battery according to claim 1, wherein the intelligent battery power supply mode comprises a first power supply mode and a second power supply mode: the first power supply mode is that the mobile terminal equipment is powered by the intelligent battery and an external power supply; and the second power supply mode is to supply power to the mobile terminal only through the intelligent battery.
5. The smart battery of claim 4, wherein the second power mode comprises:
and (3) starting up to shutdown: after the mobile terminal equipment is shut down, the intelligent battery judges according to an interface signal 'machine state signal', and if the mobile terminal equipment is in a shut-down state, the power supply management module cuts off the power supply of a 'power supply anode';
shutdown to startup stage: the power management module immediately turns on the power supply of the power anode after receiving a switching signal of an interface signal ' switching input signal ', waits for the standby power supply of the mobile terminal equipment to be started at the moment, the mobile terminal equipment sends a signal to the standby power supply OK signal ' of the interface, and after receiving the signal, the power management module sends the signal to the mobile terminal equipment through the interface signal ' switching output signal ' to enter a normal starting state;
sleep on start, sleep state stage: and after the switch input signal end of the power management module receives the switch signal, the switch signal is immediately sent to the mobile terminal equipment through the switch output signal end, and the mobile terminal equipment enters the sleep and sleep operation.
6. The intelligent battery according to claim 5, wherein the operation process of the intelligent battery in the power-on-off phase comprises:
step a1, when the mobile terminal device is turned off, the mobile terminal device will send a low level signal to the machine state signal end of the power management module of the intelligent battery;
step a2, the machine state signal end of the power management module immediately sends a battery closing signal in the battery opening/closing signal to the load switch module after receiving the low level washing signal sent by the mobile terminal device;
step a3, after the load switch module receives the battery shutdown signal, the intelligent power supply is shut down, and at this time, the level output by the power supply positive electrode signal end of the load switch module is reduced to zero, that is, the power supply supplying power to the mobile terminal device is in a zero power consumption state.
7. The smart battery according to claim 5, wherein the operation process of the smart battery from shutdown to startup phase comprises:
b1, in the initial state, the power supply state of the mobile terminal device is the off state, the starting process starts from the starting button, the starting signal sent by the starting button of the mobile terminal device is sent to the switch input signal end of the power management module;
b2, after the switch input signal end of the power management module receives the start-up signal sent by the mobile terminal equipment, the power management module judges whether the machine state of the mobile terminal equipment is the start-up state or not through the machine state signal end;
b3, when the judgment result is that the mobile terminal device is in the on state, the power supply management module immediately sends a battery opening signal in the battery opening/closing signal to the load switch; the load switch turns on the intelligent battery to supply power to the terminal equipment after receiving the battery starting signal;
step b4, waiting whether the level of the standby power supply OK signal end of the power supply management module is high, when the level of the standby power supply OK signal end of the power supply management module is high, the power supply management module continuously supplies power to the mobile terminal equipment through a switch output signal end, and the mobile terminal starts to enter a normal starting time sequence to complete starting.
8. The smart battery of claim 5, wherein the operation of the sleep-on-power and sleep-state stage comprises:
step c1, when the running condition of the mobile terminal device enters a power-on dormant or sleep state, the machine state signal end of the mobile terminal device outputs a level signal which is always kept at a high level;
and step c2, when the signal received by the machine state signal end of the power management module is a high level signal all the time, the power management module only needs to directly bypass the switch input signal to the switch output signal, and when the switch input signal is directly bypass to the switch output signal, the intelligent battery enters.
9. The smart battery of claim 5, wherein the second power mode further comprises:
and (3) awakening stage: and after the switch input signal end of the power management module receives the switch signal, the switch output signal end immediately sends the switch signal to the mobile terminal equipment, and the mobile terminal equipment enters the awakening operation.
10. The smart battery of claim 1, wherein the battery power block comprises a plurality of cells; the plurality of battery cells are connected in series or in parallel; the battery cell comprises a battery cell body, a first heat conduction sheet body and a second heat conduction sheet body; the first heat-conducting sheet body is attached to the upper surface of the battery cell body in an inclined mode; the second heat-conducting sheet body is attached to the lower surface of the battery cell body in an inclined mode; the first heat conduction body and the second heat conduction body are opposite in inclination direction;
the first thermally conductive sheet body includes a pair of parallel sides and a pair of non-parallel sides; contained angle alpha between parallel limit of first heat conduction lamellar body and long limit of electricity core body130 °; the angle between the non-parallel edge and the parallel edge on one side of the pair of non-parallel edges close to the bottom edge of the battery cell body is obtained through the following formula:
wherein, beta1Representing an angle between the non-parallel side and the parallel side of one side of the pair of non-parallel sides close to the bottom side of the cell body; l represents the length of the long side of the cell body; d represents the length of the wide side of the cell body; h represents the thickness of the cell body;
the angle between the non-parallel edge and the parallel edge on one side of the pair of non-parallel edges close to the top edge of the cell body is obtained through the following formula:
wherein, beta2Representing the angle between the non-parallel edge and the parallel edge at one side close to the top edge of the cell body in a pair of non-parallel edges;
the second thermally conductive sheet body includes a pair of parallel sides and a pair of non-parallel sides; contained angle alpha between parallel limit of second heat conduction lamellar body and long limit of electricity core body245 degrees; the angle between the non-parallel edge and the parallel edge on one side of the pair of non-parallel edges close to the bottom edge of the battery cell body is obtained through the following formula:
wherein λ is1Representing the angle between the non-parallel side and the parallel side of one side of the pair of non-parallel sides close to the bottom side of the cell body;
the angle between the non-parallel edge and the parallel edge on one side of the pair of non-parallel edges close to the top edge of the cell body is obtained through the following formula:
wherein λ is2The angle between the non-parallel side and the parallel side of one side of the pair of non-parallel sides close to the top edge of the cell body is shown.
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