CN102931708A - Charge protecting device and method of vehicle-mounted terminal - Google Patents
Charge protecting device and method of vehicle-mounted terminal Download PDFInfo
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- CN102931708A CN102931708A CN2012104672865A CN201210467286A CN102931708A CN 102931708 A CN102931708 A CN 102931708A CN 2012104672865 A CN2012104672865 A CN 2012104672865A CN 201210467286 A CN201210467286 A CN 201210467286A CN 102931708 A CN102931708 A CN 102931708A
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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
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Abstract
The invention provides a charge protecting device and method of a vehicle-mounted terminal. The charge protecting device of the vehicle-mounted terminal comprises a detecting module, a charge control module and a standby battery and a main vehicle power supply, wherein the detecting module is used for detecting the state of the vehicle-mounted terminal so as to control to turn on or turn off a charge switch; the charge control module is connected with the detecting module and is used for detecting the charge temperature of the standby battery in real time, wherein if the charge temperature is within a preset temperature range, the charge switch is turned on to charge the power, and if the charge temperature exceeds the preset temperature range, the charge switch is turned off till the vehicle-mounted terminal is at the working state and the charge temperature is within the preset temperature range; and the standby battery and the main vehicle power supply are respectively connected with the charge control module. According to the charge protecting device, the charge control of the standby battery is carried out through the charge control module with the temperature detection function on the basis of controllability of the charge switch, so that the standby battery is effectively and safely protected, the service life of the standby battery is prolonged, the security performance of the vehicle-mounted terminal is improved, and the charge efficiency is high.
Description
Technical field
The present invention relates to a kind of charge protection device, relate in particular to a kind of charge protection device of car-mounted terminal, and relate to a kind of charge protection method of car-mounted terminal.
Background technology
Present charging device is to adopt the charging chip with overcurrent protection that reserve battery is carried out safeguard protection, mainly comprise two kinds of safety protecting mechanisms of short-circuit protection and overload protection, do not control but but according to the temperature of reserve battery reserve battery is charged, generally speaking, temperature range during the reserve battery charging need to be controlled between the certain limit, outside this scope, reserve battery charged to cause battery overheated, infringement reserve battery performance and shortening reserve battery life-span, also can cause reserve battery to explode because internal pressure is excessive when serious; And temperature is crossed and low also can be affected charge efficiency.And these situations occur causing the fail safe of automobile to reduce at car-mounted terminal, even may cause serious accident, in addition, if rechargeable battery is in charged state always, also can reduce its useful life.
Summary of the invention
Technical problem to be solved by this invention provides a kind of effective and safe protection that realizes reserve battery, prolongs the reserve battery life-span, and the charge protection device of the car-mounted terminal of the security performance of raising car-mounted terminal.
To this, the invention provides a kind of charge protection device of car-mounted terminal, comprising:
Detection module for detection of the state of car-mounted terminal, if car-mounted terminal is in resting state, is then closed the charge switch of reserve battery; If car-mounted terminal is in running order, the charging temperature of then judging reserve battery and then is realized control to charge switch whether in predefined temperature range;
The charge control module that is connected with detection module, charge control module detects in real time to the charging temperature of reserve battery, realizes charging if charging temperature in predefined temperature range, is then opened the charge switch of reserve battery; If charging temperature outside predefined temperature range, is then closed the charge switch of reserve battery, until car-mounted terminal is in running order and charging temperature in predefined temperature range;
The reserve battery that is connected with charge control module respectively and vehicle main power source are used for realization to the power supply of car-mounted terminal.
Wherein, the state of car-mounted terminal comprises resting state and operating state, detection module adopts opening of car-mounted terminal control charge switch or closed, when car-mounted terminal enters resting state, the charge switch of turning off reserve battery reduces the number of times that automobile storage battery charges to reserve battery, namely reduces the number of times that the vehicle main power source charges to reserve battery, prolong reserve battery useful life and energy-conserving and environment-protective; On this basis; reserve battery is charged with the charge control module of temperature detecting function in the car-mounted terminal use; can preset the charging temperature protection range of reserve battery; this charging temperature protection range is predefined temperature range; just can forbid that reserve battery charges outside this temperature range; reserve battery to car-mounted terminal is protected safely and effectively; prevent that reserve battery from exploding because of overheated causing; have a strong impact on thereby avoid automotive safety caused, can also avoid affecting because temperature crosses low charge efficiency simultaneously.
Compared with prior art; the present invention is on the controlled basis of charge switch; by the charge control module with temperature detecting function reserve battery is charged on the car-mounted terminal; can realize the effective and safe protection to reserve battery; prolong the reserve battery life-span; improve the security performance of car-mounted terminal, charge efficiency height and energy-conserving and environment-protective.
Further improvement of the present invention is, also comprise the voltage detection module that can preset the charging voltage set point, described voltage detection module is connected with charge control module, when the voltage that detects reserve battery when voltage detection module was lower than the charging voltage set point, the charge switch of opening reserve battery charged.
The charging voltage lowest limit that described charging voltage set point is reserve battery, the user can preset and adjust the charging voltage set point according to the real vehicle test; Voltage detection module is for detection of the voltage of reserve battery, when the voltage of reserve battery is lower than the charging voltage lowest limit, car-mounted terminal just can't work, therefore, in order to guarantee that car-mounted terminal can work all the time, when the voltage that the present invention detects reserve battery in voltage detection module is lower than the charging voltage set point, just the charge switch of opening reserve battery charges, its advantage is, can either prevent that the voltage of reserve battery is just charging when very high always, avoid affecting charge efficiency, also can further reduce charging times, prolong the life-span of reserve battery.
Further improvement of the present invention is that described charging voltage set point is 75% ~ 85% of reserve battery rated operational voltage.Be the voltage of reserve battery be lower than rated operational voltage 75% ~ 85% the time, charge with regard to the charge switch of opening reserve battery; 75% ~ 85% is a more excellent charging voltage set point example, and concrete numerical value can be adjusted according to the real vehicle test.Wherein, the reserve battery charging voltage lowest limit of main flow is about 75% of its rated operational voltage at present.
Preferably, when the voltage that detects reserve battery when voltage detection module was lower than 10V, the charge switch of opening reserve battery charged.At present, the reserve battery rated operational voltage of main flow is 12V, when the voltage that detects reserve battery when voltage detection module is lower than 10V, the charge switch of opening reserve battery charges, be convenient to control the open and close of charge switch, simultaneously, also can effectively reduce charging times, improve charge efficiency, and guarantee that all the time car-mounted terminal can work.Same, the charging voltage set point is that 10V is a preferred exemplary, concrete numerical value can be adjusted according to the real vehicle test.
Further improvement of the present invention is that the predefined temperature range of reserve battery is-10 ℃ to 45 ℃.For reserve battery, in theory, the temperature range of charging is more wide better, but for car-mounted terminal, predefined temperature range can guarantee effectively to realize charging for-10 ℃ to 45 ℃, avoids simultaneously the potential safety hazard that causes because charging temperature is too high.
Further improvement of the present invention is that described detection module is the MCU of car-mounted terminal.Preferably, described charge control module is the charging chip with temperature detecting unit, and described charging chip can be realized the overcurrent protection in the charging process.
Among the present invention, the MCU of car-mounted terminal is bus extender by GPIO() control charging chip charge switch, charging chip is except with the temperature detecting function, also has the overcurrent protection function, charging chip detects charging temperature in real time, if charging temperature is in allowing the charging scope, then charge switch conducting, the vehicle main power source can charge to reserve battery; Otherwise if charging temperature is not in allowing the charging scope, then charge switch is closed; the vehicle main power source can't charge to reserve battery; like this, just can realize the safely and effectively protection to reserve battery, prevent from affecting vehicle safety performance because reserve battery breaks down.Simultaneously, MCU controls charge switch according to the running status of car-mounted terminal, if system is in running status, namely operating state then allows the reserve battery charging; If system hibernates is then closed the charging of reserve battery, to reduce the charging times of reserve battery, increase the service life, energy-conserving and environment-protective can also realize the overcurrent protection in the charging process simultaneously.
The present invention also provides a kind of charge protection method of car-mounted terminal, may further comprise the steps:
Car-mounted terminal state-detection step, the current state of inspection vehicle mounted terminal if car-mounted terminal is in resting state, is then closed the charge switch of reserve battery; If car-mounted terminal is in running order, then enter the temperature detection step;
The temperature detection step detects in real time to the charging temperature of reserve battery; And,
Charging control step, the charging temperature of judging reserve battery whether in predefined temperature range so that the control charge switch open or close, realize charging if charging temperature in predefined temperature range, is then opened the charge switch of reserve battery; If charging temperature outside predefined temperature range, is then closed the charge switch of reserve battery, until car-mounted terminal is in running order and charging temperature in predefined temperature range.
Under the in running order prerequisite of car-mounted terminal, just according to the charging temperature of reserve battery whether in predefined temperature range so that the control charge switch open or close, can effectively reducing on the basis of charging times, charge efficiency and security reliability have been guaranteed.
Further improvement of the present invention is, also comprise the voltage detecting step, the voltage detecting step has preseted the charging voltage set point, and when the voltage that detects reserve battery when the voltage detecting step was lower than the charging voltage set point, the charge switch of opening reserve battery charged.The voltage detecting step is for detection of the voltage of reserve battery, when the voltage of reserve battery is lower than the charging voltage lowest limit, car-mounted terminal just can't work, therefore, in order to guarantee that car-mounted terminal can work all the time, when the voltage that the present invention detects reserve battery in the voltage detecting step is lower than the charging voltage set point, charge with regard to the charge switch of opening reserve battery; And, the advantage of opening charge switch when the voltage of reserve battery is lower than the charging voltage set point is, can either prevent that the voltage of reserve battery is just charging when very high always, avoids affecting charge efficiency, also can further reduce charging times, prolong the life-span of reserve battery.
Described charging voltage set point is preferably 75% ~ 85% of reserve battery rated operational voltage.Be the voltage of reserve battery be lower than rated operational voltage 75% ~ 85% the time, charge with regard to the charge switch of opening reserve battery; 75% ~ 85% is a more excellent charging voltage set point example, and concrete numerical value can be adjusted according to the real vehicle test.Reserve battery rated operational voltage for present main flow is 12V, when the voltage that voltage detection module detects reserve battery is lower than 10V, just the charge switch that can open reserve battery charges, same, the charging voltage set point is that 10V also is a preferred exemplary, and concrete numerical value can be adjusted according to the real vehicle test.
Further improvement of the present invention is, also comprise temperature adjustment step, the voltage of reserve battery is lower than the charging voltage set point and the temperature detection step detects charging temperature outside predefined temperature range if the voltage detecting step detects, then the start-up temperature regulating step is regulated the charging temperature of rechargeable battery, until charging temperature is in predefined temperature range.The voltage that can prevent like this reserve battery is lower than the charging voltage set point and the temperature detection step detects charging temperature outside predefined temperature range, but can't be to the drawback of reserve battery charging, and then guaranteed safe, the efficient charging of reserve battery comprehensively, guarantee that car-mounted terminal can work.
Further improvement of the present invention is that the predefined temperature range of reserve battery is-10 ℃ to 45 ℃.
Compared with prior art, the invention has the advantages that, control the opening and closing of the charge switch of reserve battery according to the state of car-mounted terminal, on this basis, can also control according to charging temperature the charging of the reserve battery of car-mounted terminal, and then reduce the number of times that reserve battery is charged, prolong reserve battery useful life, energy-conserving and environment-protective; Simultaneously, can also forbid that reserve battery charges outside predefined temperature range, realize the reserve battery of car-mounted terminal is carried out safe and effective protection, improve charge efficiency; And can guarantee all the time the normal operation of car-mounted terminal, avoid the brownout of reserve battery.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, more excellent embodiment of the present invention is described in further detail.
Embodiment 1:
This example provides a kind of charge protection device of car-mounted terminal, comprising:
Detection module for detection of the state of car-mounted terminal, if car-mounted terminal is in resting state, is then closed the charge switch of reserve battery; If car-mounted terminal is in running order, the charging temperature of then judging reserve battery and then is realized control to charge switch whether in predefined temperature range;
The charge control module that is connected with detection module, charge control module detects in real time to the charging temperature of reserve battery, realizes charging if charging temperature in predefined temperature range, is then opened the charge switch of reserve battery; If charging temperature outside predefined temperature range, is then closed the charge switch of reserve battery, until car-mounted terminal is in running order and charging temperature in predefined temperature range;
The reserve battery that is connected with charge control module respectively and vehicle main power source are used for realization to the power supply of car-mounted terminal.
This routine structural representation as shown in Figure 1, wherein, detection module adopts opening of car-mounted terminal control charge switch or closed, when car-mounted terminal enters resting state, the charge switch of turning off reserve battery reduces the number of times that automobile storage battery charges to reserve battery, namely reduces the number of times that the vehicle main power source charges to reserve battery, prolong reserve battery useful life and energy-conserving and environment-protective; On this basis; reserve battery is charged with the charge control module of temperature detecting function in the car-mounted terminal use; can preset the charging temperature protection range of reserve battery; this charging temperature protection range is predefined temperature range; just can forbid that reserve battery charges outside this temperature range; reserve battery to car-mounted terminal is protected safely and effectively; prevent that reserve battery from exploding because of overheated causing; have a strong impact on thereby avoid automotive safety caused, can also avoid affecting because temperature crosses low charge efficiency simultaneously.
Compared with prior art; this example is on the controlled basis of charge switch; by the charge control module with temperature detecting function reserve battery is charged on the car-mounted terminal; can realize the effective and safe protection to reserve battery; prolong the reserve battery life-span; improve the security performance of car-mounted terminal, charge efficiency height and energy-conserving and environment-protective.
The further improvement of this example is that described detection module is the MCU of car-mounted terminal.Preferably, described charge control module is the charging chip with temperature detecting unit, and described charging chip can be realized the overcurrent protection in the charging process.
In this example, the MCU of car-mounted terminal is bus extender by GPIO() control charging chip charge switch, charging chip is except with the temperature detecting function, also has the overcurrent protection function, charging chip detects charging temperature in real time, if charging temperature is in allowing the charging scope, then charge switch conducting, the vehicle main power source can charge to reserve battery; Otherwise if charging temperature is not in allowing the charging scope, then charge switch is closed; the vehicle main power source can't charge to reserve battery; like this, just can realize the safely and effectively protection to reserve battery, prevent from affecting vehicle safety performance because reserve battery breaks down.Simultaneously, MCU controls charge switch according to the running status of car-mounted terminal, if system is in running status, namely operating state then allows the reserve battery charging; If system hibernates is then closed the charging of reserve battery, to reduce the charging times of reserve battery, increase the service life, energy-conserving and environment-protective can also realize the overcurrent protection in the charging process simultaneously.The vehicle main power source can be vehicle accumulator.
Embodiment 2:
On the basis of embodiment 1, this example also comprises the voltage detection module that can preset the charging voltage set point, described voltage detection module is connected with charge control module, when the voltage that detects reserve battery when voltage detection module was lower than the charging voltage set point, the charge switch of opening reserve battery charged.
The charging voltage lowest limit that described charging voltage set point is reserve battery, the user can preset and adjust the charging voltage set point according to the real vehicle test; Voltage detection module is for detection of the voltage of reserve battery, when the voltage of reserve battery is lower than the charging voltage lowest limit, the charging voltage lowest limit such as reserve battery is about 75% of rated operational voltage, car-mounted terminal just can't work, therefore, in order to guarantee that car-mounted terminal can work all the time, when the voltage that the present invention detects reserve battery in voltage detection module is lower than the charging voltage set point, just the charge switch of opening reserve battery charges, its advantage is, can either prevent that the voltage of reserve battery is just charging when very high always, avoids affecting charge efficiency, also can further reduce charging times, prolong the life-span of reserve battery.
Preferably, this routine described charging voltage set point is 75% ~ 85% of reserve battery rated operational voltage.Be the voltage of reserve battery be lower than rated operational voltage 75% ~ 85% the time, charge with regard to the charge switch of opening reserve battery; 75% ~ 85% is a more excellent charging voltage set point example, and concrete numerical value can be adjusted according to the real vehicle test.
Reserve battery rated operational voltage for present main flow is 12V, when this example is preferably the voltage that detects reserve battery when voltage detection module and is lower than 10V, the charge switch of opening reserve battery charges, be convenient to control the open and close of charge switch, simultaneously, also can effectively reduce charging times, improve charge efficiency, and guarantee that all the time car-mounted terminal can work.Same, it is that 10V is a preferred exemplary that the charging voltage set point is stated in this place, concrete numerical value can be adjusted according to the real vehicle test.
Embodiment 3:
On the basis of embodiment 1 or embodiment 2, the predefined temperature range of this routine reserve battery is-10 ℃ to 45 ℃.For reserve battery, in theory, the temperature range of charging is more wide better, but for car-mounted terminal, predefined temperature range can guarantee effectively to realize charging for-10 ℃ to 45 ℃, avoids simultaneously the potential safety hazard that causes because charging temperature is too high.
Embodiment 4:
This example also provides a kind of charge protection method of car-mounted terminal, may further comprise the steps:
Car-mounted terminal state-detection step, the current state of inspection vehicle mounted terminal if car-mounted terminal is in resting state, is then closed the charge switch of reserve battery; If car-mounted terminal is in running order, then enter the temperature detection step;
The temperature detection step detects in real time to the charging temperature of reserve battery; And,
Charging control step, the charging temperature of judging reserve battery whether in predefined temperature range so that the control charge switch open or close, realize charging if charging temperature in predefined temperature range, is then opened the charge switch of reserve battery; If charging temperature outside predefined temperature range, is then closed the charge switch of reserve battery, until car-mounted terminal is in running order and charging temperature in predefined temperature range.
Under the in running order prerequisite of car-mounted terminal, just according to the charging temperature of reserve battery whether in predefined temperature range so that the control charge switch open or close, can effectively reducing on the basis of charging times, charge efficiency and security reliability have been guaranteed.
Embodiment 5:
On the basis of embodiment 4, also comprise the voltage detecting step, the voltage detecting step has preseted the charging voltage set point, and when the voltage that detects reserve battery when the voltage detecting step was lower than the charging voltage set point, the charge switch of opening reserve battery charged.The voltage detecting step is for detection of the voltage of reserve battery, when the voltage of reserve battery is lower than the charging voltage lowest limit, car-mounted terminal just can't work, therefore, in order to guarantee that car-mounted terminal can work all the time, when the voltage that the present invention detects reserve battery in the voltage detecting step is lower than the charging voltage set point, charge with regard to the charge switch of opening reserve battery; And, the advantage of opening charge switch when the voltage of reserve battery is lower than the charging voltage set point is, can either prevent that the voltage of reserve battery is just charging when very high always, avoids affecting charge efficiency, also can further reduce charging times, prolong the life-span of reserve battery.
This routine described charging voltage set point is preferably 75% ~ 85% of reserve battery rated operational voltage.Be the voltage of reserve battery be lower than rated operational voltage 75% ~ 85% the time, charge with regard to the charge switch of opening reserve battery; 75% ~ 85% is a more excellent charging voltage set point example, and concrete numerical value can be adjusted according to the real vehicle test.Reserve battery rated operational voltage for present main flow is 12V, when the voltage that voltage detection module detects reserve battery is lower than 10V, just the charge switch that can open reserve battery charges, same, this routine described charging voltage set point is that 10V also is a preferred exemplary, and concrete numerical value can be adjusted according to the real vehicle test.
The further improvement of this example is, also comprise temperature adjustment step, the voltage of reserve battery is lower than the charging voltage set point and the temperature detection step detects charging temperature outside predefined temperature range if the voltage detecting step detects, then the start-up temperature regulating step is regulated the charging temperature of rechargeable battery, until charging temperature is in predefined temperature range.The voltage that can prevent like this reserve battery is lower than the charging voltage set point and the temperature detection step detects charging temperature outside predefined temperature range, but can't be to the drawback of reserve battery charging, and then guaranteed safe, the efficient charging of reserve battery comprehensively, guarantee that car-mounted terminal can work
Embodiment 6:
On the basis of embodiment 4 or embodiment 5, the predefined temperature range of this routine reserve battery is-10 ℃ to 45 ℃.
Compared with prior art, this routine advantage is, control the opening and closing of the charge switch of reserve battery according to the state of car-mounted terminal, on this basis, can also control according to charging temperature the charging of the reserve battery of car-mounted terminal, and then reduce the number of times that reserve battery is charged, prolong reserve battery useful life, energy-conserving and environment-protective; Simultaneously, can also forbid that reserve battery charges outside predefined temperature range, realize the reserve battery of car-mounted terminal is carried out safe and effective protection, improve charge efficiency; And can guarantee all the time the normal operation of car-mounted terminal, avoid the brownout of reserve battery.
Above content is the further description of the present invention being done in conjunction with concrete preferred implementation, can not assert that implementation of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. the charge protection device of a car-mounted terminal is characterized in that, comprising:
Detection module for detection of the state of car-mounted terminal, if car-mounted terminal is in resting state, is then closed the charge switch of reserve battery; If car-mounted terminal is in running order, the charging temperature of then judging reserve battery and then is realized control to charge switch whether in predefined temperature range;
The charge control module that is connected with detection module, charge control module detects in real time to the charging temperature of reserve battery, realizes charging if charging temperature in predefined temperature range, is then opened the charge switch of reserve battery; If charging temperature outside predefined temperature range, is then closed the charge switch of reserve battery, until car-mounted terminal is in running order and charging temperature in predefined temperature range;
The reserve battery that is connected with charge control module respectively and vehicle main power source are used for realization to the power supply of car-mounted terminal.
2. the charge protection device of car-mounted terminal according to claim 1; it is characterized in that; also comprise the voltage detection module that can preset the charging voltage set point; described voltage detection module is connected with charge control module; when the voltage that detects reserve battery when voltage detection module was lower than the charging voltage set point, the charge switch of opening reserve battery charged.
3. the charge protection device of car-mounted terminal according to claim 2 is characterized in that, described charging voltage set point is 75% ~ 85% of reserve battery rated operational voltage.
4. according to claim 1 to the charge protection device of the described car-mounted terminal of 3 any one, it is characterized in that the predefined temperature range of reserve battery is-10 ℃ to 45 ℃.
5. according to claim 1 to the charge protection device of the described car-mounted terminal of 3 any one, it is characterized in that described detection module is the MCU of car-mounted terminal.
6. according to claim 1 to the charge protection device of the described car-mounted terminal of 3 any one, it is characterized in that described charge control module is the charging chip with temperature detecting unit, described charging chip can be realized the overcurrent protection in the charging process.
7. the charge protection method of a car-mounted terminal is characterized in that, may further comprise the steps:
Car-mounted terminal state-detection step, the current state of inspection vehicle mounted terminal if car-mounted terminal is in resting state, is then closed the charge switch of reserve battery; If car-mounted terminal is in running order, then enter the temperature detection step;
The temperature detection step detects in real time to the charging temperature of reserve battery; And,
Charging control step, the charging temperature of judging reserve battery whether in predefined temperature range so that the control charge switch open or close, realize charging if charging temperature in predefined temperature range, is then opened the charge switch of reserve battery; If charging temperature outside predefined temperature range, is then closed the charge switch of reserve battery, until car-mounted terminal is in running order and charging temperature in predefined temperature range.
8. the charge protection method of car-mounted terminal according to claim 7; it is characterized in that; also comprise the voltage detecting step; the voltage detecting step has preseted the charging voltage set point; the voltage that detects reserve battery when the voltage detecting step is lower than the charging voltage set point, and the charge switch of opening reserve battery charges.
9. the charge protection method of car-mounted terminal according to claim 8; it is characterized in that; also comprise temperature adjustment step; the voltage of reserve battery is lower than the charging voltage set point and the temperature detection step detects charging temperature outside predefined temperature range if the voltage detecting step detects; then the start-up temperature regulating step is regulated the charging temperature of rechargeable battery, until charging temperature is in predefined temperature range.
10. according to claim 7 to the charge protection method of the described car-mounted terminal of 9 any one, it is characterized in that the predefined temperature range of reserve battery is-10 ℃ to 45 ℃.
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| CN201210467286.5A CN102931708B (en) | 2012-11-19 | 2012-11-19 | Charge protecting device and method of vehicle-mounted terminal |
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| CN104795603A (en) * | 2013-12-18 | 2015-07-22 | 福特全球技术公司 | Temperature monitoring HEV charger cord assembly and charging method |
| CN106451678A (en) * | 2016-11-30 | 2017-02-22 | 深圳市沃特玛电池有限公司 | Charging device and method |
| CN107480031A (en) * | 2017-08-28 | 2017-12-15 | 郑州云海信息技术有限公司 | The method of testing and device of BBU temperature are monitored under a kind of MCS systems in real time |
| CN107977067A (en) * | 2017-12-21 | 2018-05-01 | 上海寰果信息科技有限公司 | A kind of mobile unit system automatic switching protective device |
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| 叶尊忠: "单体电动车蓄电池管理系统", 《中国优秀硕士学位论文全文数据库》, 31 March 2004 (2004-03-31), pages 19 - 44 * |
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| CN104795603A (en) * | 2013-12-18 | 2015-07-22 | 福特全球技术公司 | Temperature monitoring HEV charger cord assembly and charging method |
| CN104795603B (en) * | 2013-12-18 | 2020-02-18 | 福特全球技术公司 | Temperature monitoring HEV charger cable assembly and charging method |
| CN106451678A (en) * | 2016-11-30 | 2017-02-22 | 深圳市沃特玛电池有限公司 | Charging device and method |
| CN107480031A (en) * | 2017-08-28 | 2017-12-15 | 郑州云海信息技术有限公司 | The method of testing and device of BBU temperature are monitored under a kind of MCS systems in real time |
| CN107977067A (en) * | 2017-12-21 | 2018-05-01 | 上海寰果信息科技有限公司 | A kind of mobile unit system automatic switching protective device |
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