CN203537462U - Mobile terminal - Google Patents
Mobile terminal Download PDFInfo
- Publication number
- CN203537462U CN203537462U CN201320639186.6U CN201320639186U CN203537462U CN 203537462 U CN203537462 U CN 203537462U CN 201320639186 U CN201320639186 U CN 201320639186U CN 203537462 U CN203537462 U CN 203537462U
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- Prior art keywords
- battery
- processor
- mobile terminal
- temperature
- pressure
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- Expired - Lifetime
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- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 14
- 238000007599 discharging Methods 0.000 description 14
- 238000004880 explosion Methods 0.000 description 6
- 238000005070 sampling Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 101100534112 Sus scrofa SPMI gene Proteins 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a mobile terminal. The mobile terminal comprises a battery, a battery management system for obtaining use states of the battery and reporting to a processor, the processor for alarm determination according to received information, and an output device for raising the alarm according to instructions of the processor; and the battery is also provided with a temperature sensor and a pressure sensor respectively used for detecting temperature and pressure of the battery. The mobile terminal provided by the utility model can give a safety alarm to users under a condition that safety precautions of the battery are disabled, mobile terminal equipment is safer during a using process, and accidents are prevented.
Description
Technical Field
The utility model relates to a mobile communication field, in particular to mobile terminal with explosion-proof function.
Background
At present, handheld mobile devices such as intelligent mobile terminals and the like are more and more widely applied, the current mobile devices are mainly powered by batteries, and lithium ion batteries are widely used due to the characteristics of high energy density, high open circuit voltage, large output power, low self-discharge, no memory effect and the like. However, since lithium is chemically very active, it burns when combined with air, thereby generating a large amount of heat and gas, thereby causing explosion. In addition, in special cases, such as overcharge, overdischarge, short circuit, and high temperature, the electrolyte of the lithium battery may be decomposed to generate gas, thereby causing explosion.
In order to ensure the safety of users, the safety protection of the battery is required during the use process. Most manufacturers protect the battery by adopting a mode of adding a protection plate, but the method adopted by the manufacturers cannot completely prevent accidents; in addition, in the existing battery protection technology, when some external factors cause the failure of safety protection, accidents can also occur because users cannot be reminded in time.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a mobile terminal, which can timely perform a safety alarm to reduce the occurrence of accidents under the condition that the battery safety protection measures are invalid.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the embodiment of the utility model provides a mobile terminal, including the battery, acquire the battery user state and report to the battery management system of treater, carry out the treater that the alarm was judged according to the information that receives, send out the output device of alarm according to the instruction of treater; the battery is also provided with a temperature sensor and a pressure sensor which are respectively used for detecting the temperature and the pressure of the battery.
In the above scheme, the battery is further provided with a special interface for reporting the information collected by the temperature sensor and the pressure sensor to the processor.
In the above scheme, the temperature sensor and the pressure sensor are both powered by the battery through the connecting wires and are respectively connected with the processor through the special interface and the PCB wiring.
In the above solution, the temperature sensor includes, but is not limited to, a thermistor, and the pressure sensor includes, but is not limited to, a piezoresistor.
In the above solution, the processor includes a Central Processing Unit (CPU), a Digital Signal Processor (DSP), or a Programmable Gate Array (FPGA).
In the above scheme, the output device includes a motor, and/or a speaker, and/or a Liquid Crystal Display (LCD).
The embodiment of the utility model provides a mobile terminal, based on the leak that appears in the present battery protection, can produce characteristics such as gas and temperature rising before the explosion according to the battery, set up the temperature sensor who is used for detecting the battery temperature and the pressure sensor who is used for detecting the battery internal pressure in the battery, gather temperature and pressure information in the battery in real time, and report to the treater with the information of gathering, judge in time by the treater whether need start to report an emergency or not; furthermore, the embodiment of the present invention can utilize the existing battery management system, count the number of battery charging and discharging times, and collect the charging voltage and current of the battery in the charging process, and when the charging voltage and current do not meet the charging standard, perform charging protection on the battery; when the air pressure or the temperature inside the battery exceeds a preset threshold value, or the charging and discharging times exceed the preset threshold value, the interruption with the highest priority is generated, the motor is driven to vibrate, and/or the loudspeaker is used for whistling, and/or the LCD is used for displaying the current battery state, so that the user can be warned in time; when the crisis is relieved, the normal mode is automatically recovered.
The utility model provides a mobile terminal can in time carry out safety warning to the user under the condition that battery safety protection measure became invalid for mobile terminal is safer at the in-process that uses, reduces the emergence of accident.
Drawings
Fig. 1 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a battery structure according to an embodiment of the present invention;
fig. 3 is a flow chart of an implementation of the explosion-proof early warning method for the mobile terminal according to the embodiment of the present invention.
Detailed Description
The embodiment of the utility model provides a basic idea is: the battery is internally provided with a temperature sensor for detecting the temperature of the battery and a pressure sensor for detecting the pressure in the battery, the temperature and pressure information in the battery is collected in real time, the collected information is reported to the processor, and the processor judges whether to start the alarm or not.
Furthermore, a battery management system can be used for counting the charging and discharging times of the battery; reporting the counted information to a processor; the processor judges according to the reported information and drives the output equipment to alarm the user in time; when the crisis is relieved, the system automatically restores to the normal mode; in addition, the charging voltage and current of the battery can be collected by the battery management system in the charging process, and when the charging voltage and current do not meet the charging standard, the battery is protected in a charging mode.
Here, the factors that the battery may explode are analyzed, and the factors that the battery may explode include:
a. thermal shock: namely, the diaphragm is in an environment with the temperature higher than 150 ℃ for a long time, short circuit is caused due to the melting of the diaphragm, and a great deal of heat is generated by the short circuit of the positive electrode and the negative electrode to cause explosion;
b. and (3) overcharge and overdischarge: when the overcharge and the overdischarge reach a certain degree, the chemical structure of the battery cell is changed, the electrolyte is decomposed to generate gas, and the gas explodes when the overcharge and the overdischarge reach a certain degree;
c. short-circuiting: whether an external short circuit or an internal short circuit causes the battery to generate a large amount of heat and gas, thereby causing explosion.
From the above reasons, it can be seen that the explosion of the battery caused by all the reasons has the same characteristics, i.e., high temperature and/or high pressure is generated in the battery. Therefore, the temperature of the battery cell and the pressure of the gas in the battery are detected, and whether the battery is about to explode or not can be effectively judged.
Based on this, the utility model discloses set up temperature sensor and pressure sensor in the battery respectively, detect temperature and pressure information in the battery; and a special interface is arranged on the battery, and the temperature sensor and the pressure sensor can report the acquired information to the processor through the special interface.
The temperature sensor is positioned at a position with higher temperature in the battery, can be freely designed according to the shape and the size of the battery, and can be attached to the wall of the electric core; the pressure sensor is located at a position sensitive to pressure change in the battery, for example, when gas is generated in the battery, pressure is generated between the battery core and the outer package, and therefore, the pressure sensor may be located between the battery core and the outer package of the battery, for example, may be attached to a wall of the battery core. The temperature sensor and the pressure sensor are both powered by the battery cell through connecting wires, are connected with the processor through the PCB wiring through the special interface, and report the temperature and pressure information detected by the temperature sensor and the pressure sensor to the processor.
Here, the temperature sensor may be, but is not limited to, a thermistor, and the pressure sensor may be, but is not limited to, a varistor.
The Battery Management System (BMS) is mainly used to improve the utilization rate of the Battery, prevent overcharge and overdischarge of the Battery, extend the service life of the Battery, and monitor the state of the Battery. One side of the BMS is connected with the battery and used for acquiring the charging and discharging frequency information of the battery, and the other side of the BMS is connected with the processor and used for reporting the charging and discharging frequency information of the battery to the processor.
In addition, the battery management system can be used for collecting the charging voltage and current of the battery in the charging process, and when the charging voltage and current do not meet the charging standard, the battery is protected in a charging mode.
Here, the number of charge and discharge is calculated as the number of times the battery is fully charged, that is, when the amount of electricity reaches 100% during charging, it is determined that one charge is completed.
Here, the battery management system may run on a CPU, a single chip, or a DSP, FPGA.
The processor is connected with the battery and the BMS and used for acquiring the temperature and pressure information in the battery reported by the temperature sensor and the pressure sensor and the battery use state information reported by the BMS and making comprehensive judgment; the output end of the processor is connected with the output device and used for driving the output device to give out an alarm when the received information meets the preset alarm starting standard.
Wherein the comprehensive judgment comprises: when any one of the temperature and the gas pressure in the battery is detected to be greater than a preset threshold value, the processor generates the interrupt with the highest level and drives the output equipment to give an alarm to a user; or when the number of times of charging and discharging the battery is detected to exceed the preset threshold value, the processor generates the interrupt with the highest level and drives the output equipment to give an alarm to the user.
The processor can be a CPU, a DSP or an FPGA.
And the output device is connected with the processor and used for initiating an alarm to a user after receiving an alarm starting command from the processor.
Wherein the output device may be a motor, and/or a speaker, and/or an LCD, etc.
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention, as shown in fig. 1, the mobile terminal includes a battery 11, a processor 12, a battery management system 13, and an output device; wherein,
a battery 11 for storing electric quantity for the mobile terminal to use;
here, the specific structure of the battery is as shown in fig. 2, and includes a battery cell 21, an exterior package 22, a temperature sensor 23 for detecting a battery cell temperature, a pressure sensor 24 for detecting a battery internal pressure, and a dedicated interface 25; in particular, the method comprises the following steps of,
the battery cell 21 is a storage part of the rechargeable battery, and the shape and the material of the battery cell 21 are designed according to the requirements of different terminals;
an outer package 22, located outside the cell, for protecting components within the cell;
the temperature sensor 23 is used for detecting the temperature in the battery and reporting the detected temperature information to the processor 12 through a set special interface 25;
here, the temperature sensor 23 may be a thermistor, or may be a temperature sensor in other forms, in this embodiment, taking the thermistor as an example, the temperature sensor 23 is located at a position with a higher temperature inside the battery, and may be attached to the surface of the battery core 21, and the specific position may be determined according to the design of the battery;
the pressure sensor 24 is used for detecting the gas pressure in the battery and reporting the detected pressure information to the processor 12 through a set special interface 25;
here, the pressure sensor 24 may be a piezoresistor, or may be another form of pressure sensor, in this embodiment, taking the piezoresistor as an example, the pressure sensor 24 is located at a position in the battery sensitive to pressure change, and may be attached to the surface of the battery core 21, and the specific position may be determined according to the design of the battery;
in this embodiment, for example, the temperature sensor 23 and the pressure sensor 24 are both located between the outer wall of the battery cell and the outer package;
and the special interface 25 is connected with the processor through a PCB (printed Circuit Board) wire and is used for reporting the information acquired by the temperature sensor and the pressure sensor to the processor through the PCB wire.
In addition, the battery can also comprise a battery protection board which is an integrated circuit board for protecting the rechargeable battery so as to further protect the battery from being overcharged, overdischarged, overcurrent, short-circuited and charged and discharged at ultrahigh temperature.
In this example, the temperature sensor 23 and the pressure sensor 24 are both powered by the battery core through the connection line, and are connected to the processor through the PCB trace through the dedicated interface 25, and in the sampling period, the temperature and the gas pressure in the battery are collected, and the collected information is reported to the processor.
The input end of the processor 12 is connected with a temperature sensor 23 and a pressure sensor 24 in the battery through PCB wiring and a special interface 25, and the output end of the processor is connected with output equipment; the battery temperature and pressure sensor is used for receiving temperature and pressure information in the battery reported by the temperature sensor 23 and the pressure sensor 24, judging whether to start an alarm according to the received temperature and pressure information, and driving output equipment when the alarm needs to be started;
specifically, the processor 12 determines whether the temperature and pressure information is greater than a preset threshold, and drives the output device to alarm the user when any one of the collected temperature and pressure in the battery is greater than the preset threshold. For example: the interrupt with the highest level, the vibration of the driving motor, the whistle of the loudspeaker and the current state of the battery displayed by the LCD interface are generated, and the alarm is given to the user in time.
The preset threshold values of the temperature and the pressure can be preset according to the explosion-proof requirement of a user, for example, the preset threshold values can be set according to the highest temperature which can be borne by the battery core and the maximum pressure which can be borne by the battery outer package.
The processor 12 is further configured to set a sampling period, and the sampling period can be set according to a user requirement.
And the battery management system 13 is connected with the battery on one side and used for acquiring the charging and discharging times information of the battery, and is connected with the processor on the other side and used for reporting the charging and discharging times of the battery to the processor.
In addition, the battery management system can be used for collecting the charging voltage and current of the battery in the charging process, and when the charging voltage and current do not meet the charging standard, the battery is protected in a charging mode.
Here, the number of charge and discharge is calculated as the number of times the battery is fully charged, that is, when the amount of electricity reaches 100% during charging, it is determined that one charge is completed.
Here, the battery management system may run on a CPU, a single chip, or a DSP, FPGA.
Correspondingly, the processor 12 is further configured to obtain the charge and discharge frequency information of the battery from the battery management system, and determine whether the charge and discharge frequency of the battery exceeds a preset threshold according to the obtained charge and discharge frequency information of the battery; and when the charging and discharging times of the battery exceed the preset threshold value, driving the output equipment to alarm the user, for example, driving an LCD interface to display the current charging and discharging times of the battery.
The threshold of the number of battery charges and discharges may be specified according to material, application and specification of the battery, for example, when the number of battery charges and discharges exceeds 400 times, the number of battery charges and discharges is considered to exceed the threshold.
The output devices include a motor 14, an LCD15, a speaker 16; in particular, the method comprises the following steps of,
and the motor 14 is connected with the processor and is used for starting the vibration function and giving an alarm to a user after receiving a driving command from the processor.
And the loudspeaker 15 is connected with the processor and used for starting a whistle function and giving an alarm to a user after receiving the driving instruction from the processor.
And the LCD16 is connected with the processor and is used for displaying the current state of the battery and giving an alarm to a user after receiving the driving instruction from the processor.
Fig. 3 is the utility model provides an explosion-proof early warning method of mobile terminal realizes the flow chart, as shown in fig. 3, the utility model provides an explosion-proof early warning method of mobile terminal includes following step:
step 301: setting a sampling period, collecting the temperature and gas pressure in the battery in the period, and reporting the collected temperature and pressure information to a processor through a special interface arranged on the battery;
the sampling period can be set according to the requirements of users.
Step 302: judging whether the temperature and pressure information is greater than a preset threshold value, and executing a step 303 when any one of the collected temperature and pressure in the battery is greater than the preset threshold value; otherwise, executing step 304 under the condition that the acquired temperature and pressure information is not greater than the preset threshold;
the preset threshold values of the temperature and the pressure can be preset according to the explosion-proof requirement of a user, for example, the preset threshold values can be set according to the highest temperature which can be borne by the battery core and the maximum pressure which can be borne by the battery outer package.
Step 303: the processor generates the interrupt with the highest level, drives the output device and gives an alarm to the user; returning to the step 301, and continuously detecting the temperature and pressure information in the battery;
wherein the driven output device comprises a motor, and/or a speaker, and/or a Liquid Crystal Display (LCD).
Step 304: and acquiring the charging and discharging frequency information of the battery from the battery management system.
Step 305: judging whether the charging and discharging times of the battery exceed a preset threshold value, and executing a step 306 when the charging and discharging times of the battery exceed the preset threshold value; otherwise, go to step 301;
the threshold of the number of battery charges and discharges may be specified according to factors such as material, application, and specification of the battery, for example, when the number of battery charges and discharges exceeds 400 times, it is determined that the number of battery charges and discharges exceeds the threshold.
Step 306: the processor generates the interrupt of the highest level and drives the output equipment to alarm the user; and returns to step 301 to continue to detect temperature and pressure information within the battery.
Here, since the number of times of charging and discharging the battery exceeds the preset threshold, the temperature and pressure inside the battery are not detected to be largely changed, that is: the information that the battery is about to explode is not detected, so that the motor and the loudspeaker are not driven, and only the LCD is driven to achieve the warning effect on the user.
To sum up, the utility model provides a mobile terminal, which monitors the state of a battery in real time according to different conditions of the user in different scenes; when a dangerous condition occurs, the actual condition of the battery can be reported to the user in time, so that the user is safer. The detailed detection method is given here, but the communication protocol is not limited. For example, according to the current communication method, both I2C and SPMI buses can implement communication between the processor and the battery management system, and the battery and the processor can also communicate using the BIF protocol.
Although the present invention has been described with reference to the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, and that various changes and modifications may be made without departing from the spirit of the invention, and such changes and modifications are intended to be covered by the appended claims.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (6)
1. A mobile terminal comprises a battery, a battery management system for acquiring the use state of the battery and reporting the use state to a processor, the processor for judging an alarm according to received information, and output equipment for sending the alarm according to an instruction of the processor; the battery is characterized in that a temperature sensor and a pressure sensor which are respectively used for detecting the temperature and the pressure of the battery are also arranged in the battery.
2. The mobile terminal according to claim 1, wherein the battery further comprises a dedicated interface for reporting information collected by the temperature sensor and the pressure sensor to the processor.
3. The mobile terminal of claim 2, wherein the temperature sensor and the pressure sensor are both powered by a battery through wires and are respectively connected to the processor through the dedicated interface via PCB traces.
4. The mobile terminal of claim 1, wherein the temperature sensor includes, but is not limited to, a thermistor, and the pressure sensor includes, but is not limited to, a pressure sensitive resistor.
5. The mobile terminal according to claim 1, wherein the processor comprises a central processing unit CPU, or a digital signal processor DSP, or a programmable gate array FPGA.
6. The mobile terminal of claim 1, wherein the output device comprises a motor, and/or a speaker, and/or a Liquid Crystal Display (LCD).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201320639186.6U CN203537462U (en) | 2013-10-16 | 2013-10-16 | Mobile terminal |
PCT/CN2014/075831 WO2014180243A1 (en) | 2013-10-16 | 2014-04-21 | Mobile terminal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320639186.6U CN203537462U (en) | 2013-10-16 | 2013-10-16 | Mobile terminal |
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CN203537462U true CN203537462U (en) | 2014-04-09 |
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CN201320639186.6U Expired - Lifetime CN203537462U (en) | 2013-10-16 | 2013-10-16 | Mobile terminal |
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WO (1) | WO2014180243A1 (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2014180243A1 (en) * | 2013-10-16 | 2014-11-13 | 中兴通讯股份有限公司 | Mobile terminal |
CN105070967A (en) * | 2015-08-17 | 2015-11-18 | 南宁迈世信息技术有限公司 | Sensor for storage battery bulge detection |
CN106307921A (en) * | 2015-06-17 | 2017-01-11 | 中兴通讯股份有限公司 | Method for realizing terminal protection and protective shell |
CN106356494A (en) * | 2016-11-22 | 2017-01-25 | 宇龙计算机通信科技(深圳)有限公司 | Battery, battery explosion prevention method and related device |
CN106443476A (en) * | 2016-10-31 | 2017-02-22 | 深圳众思科技有限公司 | Safety pre-warning apparatus and electronic equipment |
CN106816929A (en) * | 2017-02-16 | 2017-06-09 | 上海与德通讯技术有限公司 | Battery, terminal and battery protecting method |
CN106873781A (en) * | 2017-03-22 | 2017-06-20 | 信利光电股份有限公司 | A kind of electronic equipment |
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CN106960984A (en) * | 2017-02-16 | 2017-07-18 | 上海与德通讯技术有限公司 | Battery, terminal and battery protecting method |
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CN110649675A (en) * | 2019-09-26 | 2020-01-03 | Oppo(重庆)智能科技有限公司 | Charging control method and device, electronic equipment and computer readable storage medium |
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CN101499544B (en) * | 2008-01-28 | 2010-12-08 | 联想(北京)有限公司 | Battery apparatus, protection circuit, temperature monitoring method and temperature sensor laying method |
CN101984644A (en) * | 2010-10-28 | 2011-03-09 | 浙江大学 | Android operating system mobile phone-based temperature alarm method |
CN203537462U (en) * | 2013-10-16 | 2014-04-09 | 中兴通讯股份有限公司 | Mobile terminal |
-
2013
- 2013-10-16 CN CN201320639186.6U patent/CN203537462U/en not_active Expired - Lifetime
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2014
- 2014-04-21 WO PCT/CN2014/075831 patent/WO2014180243A1/en active Application Filing
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WO2014180243A1 (en) * | 2013-10-16 | 2014-11-13 | 中兴通讯股份有限公司 | Mobile terminal |
CN104408884B (en) * | 2014-10-28 | 2017-07-14 | 宇龙计算机通信科技(深圳)有限公司 | With the terminal and its alarm method using security alarm function |
CN106307921A (en) * | 2015-06-17 | 2017-01-11 | 中兴通讯股份有限公司 | Method for realizing terminal protection and protective shell |
CN105070967A (en) * | 2015-08-17 | 2015-11-18 | 南宁迈世信息技术有限公司 | Sensor for storage battery bulge detection |
CN105070967B (en) * | 2015-08-17 | 2018-06-12 | 南宁迈世信息技术有限公司 | Accumulator bulge detection sensor |
CN106443476A (en) * | 2016-10-31 | 2017-02-22 | 深圳众思科技有限公司 | Safety pre-warning apparatus and electronic equipment |
CN106356494A (en) * | 2016-11-22 | 2017-01-25 | 宇龙计算机通信科技(深圳)有限公司 | Battery, battery explosion prevention method and related device |
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CN106816929A (en) * | 2017-02-16 | 2017-06-09 | 上海与德通讯技术有限公司 | Battery, terminal and battery protecting method |
CN106873781A (en) * | 2017-03-22 | 2017-06-20 | 信利光电股份有限公司 | A kind of electronic equipment |
CN107144393A (en) * | 2017-05-19 | 2017-09-08 | 信利光电股份有限公司 | A kind of pressure monitoring system of wearable device |
CN111886751A (en) * | 2018-07-04 | 2020-11-03 | 宝马股份公司 | Battery management system for a high-voltage battery of a motor vehicle, high-voltage battery and motor vehicle |
CN109301310A (en) * | 2018-09-11 | 2019-02-01 | 深圳市思商科技有限公司 | A kind of detachable cylindrical lithium ion battery and its packaging method |
CN109301310B (en) * | 2018-09-11 | 2020-09-01 | 深圳市思商科技有限公司 | Detachable cylindrical lithium ion battery and packaging method thereof |
CN110649675A (en) * | 2019-09-26 | 2020-01-03 | Oppo(重庆)智能科技有限公司 | Charging control method and device, electronic equipment and computer readable storage medium |
CN110649675B (en) * | 2019-09-26 | 2021-10-01 | Oppo(重庆)智能科技有限公司 | Charging control method and device, electronic equipment and computer readable storage medium |
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