CN103812199A - Charging control method and charging control equipment - Google Patents
Charging control method and charging control equipment Download PDFInfo
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- CN103812199A CN103812199A CN201410078558.1A CN201410078558A CN103812199A CN 103812199 A CN103812199 A CN 103812199A CN 201410078558 A CN201410078558 A CN 201410078558A CN 103812199 A CN103812199 A CN 103812199A
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The invention provides a charging control method and charging control equipment, which are applied to electronic equipment. The charging control method comprises the following steps: detecting the temperatures of a plurality of elements in the electronic equipment respectively in the charging process of the electronic equipment; detecting the working parameter of at least one of the elements; determining the current adjusting amount of the electronic equipment on the basis of the temperatures of the elements and the working parameter; adjusting the charging current of the electronic equipment on the basis of the current adjusting amount.
Description
Technical field
The present invention relates to the field that charging is controlled, more specifically, the present invention relates to a kind of charge control method and charge control apparatus.
Background technology
Current, along with the development of the electronic equipment such as mobile phone and panel computer, battery is also proposed to higher demand, one of them is to be battery charging in the short period of time.For this reason, at present, a lot of charge control methods have adopted larger charging current.The problem that this has brought the temperature of electronic equipment to raise thereupon, causes user's experience poor, and affects the life-span of each assembly (especially battery) of electronic equipment.
Summary of the invention
Because above-mentioned situation, the invention provides a kind of charge control method and charge control apparatus, they can be according to the various conditions such as temperature and running parameter etc. in charging process, charging current is carried out to suitable adjustment, make to be battery charging in the short period of time, be unlikely to that again temperature rise is obtained too high, thereby extend the useful life of each assembly in electronic equipment, and improve user's experience.
According to one embodiment of the invention, a kind of charge control method is provided, be applied to an electronic equipment, described charge control method comprises: in to the charging process of described electronic equipment, detect respectively the temperature of multiple elements in described electronic equipment; Detect the running parameter at least one the element place in described multiple element; Temperature based on described multiple elements and described running parameter, determine the electric current adjustment amount for described electronic equipment; And based on described electric current adjustment amount, adjust the charging current of described electronic equipment.
Described multiple element comprise in CPU, battery, Graphics Processing Unit one of at least.
The step of described definite electric current adjustment amount comprises: respectively for described multiple elements each, obtain the reference table of the corresponding relation between reference temperature, reference work parameter and the reference current that represents described element; Based on described reference table, the temperature detecting and the running parameter that detects, determine the electric current adjustment amount for described electronic equipment.
The step of described definite electric current adjustment amount comprises: temperature, temperature threshold and described running parameter based on detected, determine the electric current adjustment amount for described electronic equipment.
The step of described definite electric current adjustment amount comprises: the temperature based on described multiple elements and described running parameter, determine the expected current adjustment amount for described electronic equipment; Based on described expected current adjustment amount, determine the charging current of estimating after adjustment; Charging current after described expectation adjustment and charging current threshold value are compared, to obtain a comparative result; And based on described comparative result, determine the electric current adjustment amount for described electronic equipment.
Described at least one element is CPU, the load that described running parameter is described CPU.
According to another embodiment of the present invention, a kind of charge control apparatus is provided, has been applied to an electronic equipment, described charge control apparatus comprises: the first detecting unit, in to the charging process of described electronic equipment, detect respectively the temperature of multiple elements in described electronic equipment; The second detecting unit, detects the running parameter at least one the element place in described multiple element; Determining unit, the temperature based on described multiple elements and described running parameter, determine the electric current adjustment amount for described electronic equipment; And adjustment unit, based on described electric current adjustment amount, adjust the charging current of described electronic equipment.
Described determining unit comprises: acquiring unit, respectively for described multiple elements each, obtains the reference table of the corresponding relation between reference temperature, reference work parameter and the reference current that represents described element; Adjustment amount determining unit, based on described reference table, the temperature detecting and the running parameter that detects, determines the electric current adjustment amount for described electronic equipment.
Described determining unit is configured to: temperature, temperature threshold and described running parameter based on detected, determine the electric current adjustment amount for described electronic equipment.
Described determining unit comprises: estimate adjustment amount determining unit, the temperature based on described multiple elements and described running parameter, determine the expected current adjustment amount for described electronic equipment; Estimate charging current determining unit, based on described expected current adjustment amount, determine the charging current of estimating after adjustment; Comparing unit, compares the charging current after described expectation adjustment and charging current threshold value, to obtain a comparative result; And adjustment amount determining unit, based on described comparative result, determine the electric current adjustment amount for described electronic equipment.
In the charge control method and charge control apparatus of the embodiment of the present invention, by detect the temperature of multiple elements and the running parameter at least one element place in to the charging process of described electronic equipment, and determine the electric current adjustment amount of electronic equipment and correspondingly regulate based on described temperature and running parameter, can be battery charging in the short period of time, be unlikely to that again temperature rise is obtained too high, thereby the useful life of each assembly in prolongation electronic equipment, and improve user's experience.
Accompanying drawing explanation
Fig. 1 is that diagram is according to the flow chart of the charge control method of the embodiment of the present invention; And
Fig. 2 is that diagram is according to the block diagram of the main configuration of the charge control apparatus of the embodiment of the present invention.
Embodiment
Describe the embodiment of the present invention in detail below with reference to accompanying drawing.
First, will describe according to the charge control method of the embodiment of the present invention.
Charge control method of the present invention is applied to an electronic equipment.Described electronic equipment can be the portable set such as mobile phone, panel computer, notebook computer, can be also the electronic equipment such as personal computer etc.Described electronic equipment comprises multiple element, such as CPU (CPU), internal memory, modulator-demodulator, Graphics Processing Unit (GPU), battery unit, display module etc.
Describe the charge control method of the embodiment of the present invention below, in detail with reference to Fig. 1.
As shown in Figure 1, in the time that the charge control method of the embodiment of the present invention starts, described electronic equipment is in charging process.Now, at step S101, described charge control method detects respectively the temperature of multiple elements in described electronic equipment.
Particularly, in embodiments of the present invention, described charge control method can be near of each of described multiple elements difference set temperature transducer, for detection of the temperature of each element.Described multiple element can be one or more in CPU as above, internal memory, modulator-demodulator, GPU, battery unit, display module etc.
Certainly, above-described element is only example.Those skilled in the art can be as required, detects the temperature of other element.Advantageously, described charge control method can detect the temperature that is in use easy to the element place of heating up.
Next,, at step S102, described charge control method detects the running parameter at least one the element place in described multiple elements.
For example, suppose that described at least one element is CPU.In the case, described charge control method can detect the live load of described CPU, as described running parameter.Certainly, ability technical staff can understand, and CPU as above and live load thereof are only example.Those skilled in the art completely can be as required, detects other running parameters at other element places.For example, in theory, higher such as the brightness of the light-emitting component of LCD, its temperature can be higher; Power such as the sending/receiving element of radio-frequency devices is higher, and its temperature also can be higher.Therefore, for example, the temperature-controlled process of the embodiment of the present invention can detect the brightness of light-emitting component, as described running parameter.Again for example, the temperature-controlled process of the embodiment of the present invention can also detect the power of sending/receiving element, as described running parameter, etc.
After this,, at step S103, temperature and the described running parameter of described charge control method based on described multiple elements, determines the electric current adjustment amount for described electronic equipment.Finally, at step S104, described charge control method, based on described electric current adjustment amount, is adjusted the charging current of described electronic equipment.
Particularly, in one embodiment, on the one hand, for example can be for the default temperature threshold of the each element in described multiple elements in described electronic equipment.The temperature threshold of each element self can be different.Thus, described charge control method can compare detected temperature and described temperature threshold, to determine whether described temperature exceedes described temperature threshold.On the other hand, in described electronic equipment, can one threshold value be set for the running parameter of at least one element in described multiple elements.Thus, described charge control method can compare the threshold value of described running parameter and described running parameter, to determine whether described running parameter exceedes described threshold value.
After this, two comparative results that described charge control method can be based on above-mentioned, determine the electric current adjustment amount for described electronic equipment.In an example, described charge control method can be to the default unitary current adjustment amount of described electronic equipment.In described multiple elements, the temperature of any one element exceedes the temperature threshold of himself, and described charge control method is definite reduces described unitary current adjustment amount by the charging current of described electronic equipment.In another example, the running parameter of described at least one element in described multiple elements exceedes its threshold value, and described charge control method is definite reduces described unitary current adjustment amount by the charging current of described electronic equipment.In another example, described charge control method only exceedes the temperature threshold of himself in the temperature of any one element and the running parameter of at least one element exceedes its threshold value, just determines the charging current of described electronic equipment is reduced to described unitary current adjustment amount.
In another embodiment, described charge control method, respectively for described multiple elements each, obtains the reference table of the corresponding relation between reference temperature, reference work parameter and the reference current that represents described element.After this, described charge control method, based on described reference table, the temperature detecting and the running parameter that detects, is determined the electric current adjustment amount for described electronic equipment.
Particularly, in the case of not considering the running parameter of some element in described multiple element, the described reference work parameter in the reference table of described element for example can be set to sky.In addition, described charge control method can obtain respectively reference table separately for each of described multiple elements.Alternatively, in described electronic equipment, also can set in advance the comprehensive reference table for described multiple elements.Thus, described charge control method is compared corresponding reference temperature and reference work parameter in detected temperature and the running parameter detecting and described reference table, with the charging current settling the standard, i.e. reference current.Next, the difference between current charging current and the reference current of the described electronic equipment of described charge control method is set to described electric current adjustment amount.
More specifically, for example, in described reference table, described reference temperature can be divided between normal operation interval and exceptions area.If the temperature of described multiple elements is all in described normal operation interval, described charge control method can described charging current be set to the mean value of the reference current value of each element.Certainly,, in order to promote charge efficiency, described charge control method also can described charging current be set to the peak of the reference current value of each element.
On the other hand, if wherein have the temperature of certain element between exceptions area, described charge control method charging current value is set to the needed desired electrical flow valuve of this abnormal element, to prevent this element because operation exception appears in excess Temperature.If have multiple elements in extremely, choose wherein minimum desired electrical flow valuve.
Take battery unit as example, for example, described charge control method can be preset as, and when detected battery temperature is less than 0 while spending, charging current is 0, does not allow charging; When detected battery temperature is between 0-10 degree time, take 0.2C electric current charge (C is as battery capacity, and such as 2000mah battery, 0.2c is exactly the electric current of 400ma); When detected battery temperature is between 10-45 degree time, charge with 0.5C; When detected battery temperature is between 45-50 degree time, charge with 0.2C; When detected battery temperature is for being greater than 50 while spending, do not allow charging.Wherein, 10-45 degree is above-mentioned normal operation interval, and other 4 intervals are between exceptions area, electric current must be dropped to below this requirement.
Certainly, the concrete mode of electric current adjustment amount is set is only example for above-described combination reference table.Those skilled in the art can be as required, designs the reference table between various temperature, running parameter and charging current, and carry out determining of electric current adjustment amount based on described reference table, and it is all in the scope of protection of the invention.
In another embodiment, in order not affect normal charge function,, in order described charging current not to be reduced to too small and consuming cells electric weight, described charge control method can be estimated adjustment amount, and by expectation adjustment amount compared with threshold value, thereby determine the final adjustment amount of carrying out.
Particularly, first, temperature and described running parameter that described charge control method can be based on described multiple elements, determine the expected current adjustment amount for described electronic equipment.Described charge control method determines that the mode of described expected current adjustment amount can adopt the arbitrary of each embodiment as above, no longer repeats at this.
Next, described charge control method, based on described expected current adjustment amount, is determined the charging current of estimating after adjustment.That is, described charge control method is added current charging current and described expected current adjustment amount, to determine the charging current of estimating after adjustment.
Then, described charge control method compares the charging current after described expectation adjustment and charging current threshold value, to obtain a comparative result, and based on described comparative result, determines the electric current adjustment amount for described electronic equipment.For example, the charging current after described expectation adjustment is less than described charging current threshold value, and described electric current adjustment amount is defined as the difference between current charging current and charging current threshold value by described charge control method.Charging current after described expectation adjustment is not less than described charging current threshold value, and described electric current adjustment amount is defined as described expected current adjustment amount by described charge control method.
It is pointed out that what adopt is the mode of predictor above.Alternatively, described charge control method also can be taked compensation mode.That is, described charge control method definite electric current adjustment amount and corresponding adjusted charging current after, the value of the charging current that Real-Time Monitoring flows into also compares itself and charging current threshold value.Be less than charging current threshold value in the value of charging current flowing into, described charge control method is not adjusted described charging current.On the other hand, when the value of the charging current flowing into is less than in the situation of charging current threshold value, charging current is increased to described charging current threshold value.
The charge control method of the embodiment of the present invention has been described with reference to Fig. 1 above.In the charge control method of the embodiment of the present invention, in to the charging process of described electronic equipment, detect the temperature of multiple elements and the running parameter at least one element place, and determine the electric current adjustment amount of electronic equipment and correspondingly regulate based on described temperature and running parameter.With simply charging not compared with the mode of the temperature of detecting element, or with the temperature of detecting element only and regulate compared with the mode of charging current, the charge control method of the embodiment of the present invention can be battery charging in the short period of time, be unlikely to that again temperature rise is obtained too high, thereby the useful life of each assembly in prolongation electronic equipment, and improve user's experience.
The charge control apparatus of the embodiment of the present invention is described with reference to Fig. 2 below.
Charge control apparatus of the present invention is applied to an electronic equipment.Described electronic equipment can be the portable set such as mobile phone, panel computer, notebook computer, can be also the electronic equipment such as personal computer etc.Described electronic equipment comprises multiple element, such as CPU (CPU), internal memory, modulator-demodulator, Graphics Processing Unit (GPU), battery unit, display module etc.
As shown in Figure 2, the charge control apparatus 200 of the embodiment of the present invention mainly comprises the first detecting unit 201, the second detecting unit 202, determining unit 203 and adjustment unit 204.
Described the first detecting unit 201, in to the charging process of described electronic equipment, detects respectively the temperature of multiple elements in described electronic equipment.
Described the second detecting unit 202 detects the running parameter at least one the element place in described multiple element.
Temperature and the described running parameter of described determining unit 203 based on described multiple elements, determines the electric current adjustment amount for described electronic equipment.
Described adjustment unit 204, based on described electric current adjustment amount, is adjusted the charging current of described electronic equipment.
In one embodiment, described determining unit 203 comprises acquiring unit and adjustment amount determining unit (not shown).Described acquiring unit, respectively for described multiple elements each, obtains the reference table of the corresponding relation between reference temperature and the reference current that represents described element.Described adjustment amount determining unit, based on described reference table, the temperature detecting and described running parameter, is determined the electric current adjustment amount for described electronic equipment.
In another embodiment, described determining unit 203 is configured to: temperature, temperature threshold and described running parameter based on detected, determine the electric current adjustment amount for described electronic equipment.
In another embodiment, described determining unit 203 comprises: estimate adjustment amount determining unit, estimate charging current determining unit, comparing unit and adjustment amount determining unit (not shown).The temperature of described expectation adjustment amount determining unit based on described multiple elements, determines the expected current adjustment amount for described electronic equipment.Described expectation charging current determining unit, based on described expected current adjustment amount, is determined the charging current of estimating after adjustment.Described comparing unit compares the charging current after described expectation adjustment and charging current threshold value, to obtain a comparative result.Described adjustment amount determining unit, based on described comparative result, is determined the electric current adjustment amount for described electronic equipment.
The concrete configuration of the unit of described charge control apparatus and operation are described in detail in the charge control method with reference to described in Fig. 1, no longer repeat at this.
The charge control apparatus of the embodiment of the present invention has been described with reference to Fig. 2 above.In the charge control apparatus of the embodiment of the present invention, in to the charging process of described electronic equipment, detect the temperature of multiple elements and the running parameter at least one element place, and determine the electric current adjustment amount of electronic equipment and correspondingly regulate based on described temperature and running parameter.With simply charging not compared with the mode of the temperature of detecting element, or with the temperature of detecting element only and regulate compared with the mode of charging current, the charge control apparatus of the embodiment of the present invention can be battery charging in the short period of time, be unlikely to that again temperature rise is obtained too high, thereby the useful life of each assembly in prolongation electronic equipment, and improve user's experience.
Above, see figures.1.and.2 and described according to the charge control method of the embodiment of the present invention and charge control apparatus.
It should be noted that, in this manual, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
In addition, it should be noted that, in this manual, the statement of similar " first ... unit ", " second ... unit " is only for convenient differentiation in the time describing, and and do not mean that it must be embodied as two or more unit of physical separation.In fact, as required, described unit can entirety be embodied as a unit, also can be implemented as multiple unit.
Finally, also it should be noted that, above-mentioned a series of processing not only comprise the processing of carrying out by time series with order described here, and comprise processing parallel or that carry out respectively rather than in chronological order.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential hardware platform by software and realize, and can certainly all implement by hardware.Based on such understanding, what technical scheme of the present invention contributed to background technology can embody with the form of software product in whole or in part, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions (can be personal computers in order to make a computer equipment, server, or the network equipment etc.) carry out the method described in some part of each embodiment of the present invention or embodiment.
In embodiments of the present invention, units/modules can realize with software, to carried out by various types of processors.For instance, the executable code module of a mark can comprise one or more physics or the logical block of computer instruction, and for instance, it can be built as object, process or function.However, the executable code of institute's identification module is without being physically located in together, but can comprise the different instruction on being stored in coordination not, and in the time combining in these command logics, its Component units/module and realize the regulation object of this units/modules.
In the time that units/modules can utilize software to realize, consider the level of existing hardware technique, so units/modules that can realize with software, in the situation that not considering cost, those skilled in the art can build corresponding hardware circuit and realize corresponding function, and described hardware circuit comprises conventional ultra-large integrated (VLSI) circuit or gate array and the existing semiconductor such as logic chip, transistor or other discrete element.Module can also be used programmable hardware device, realizations such as field programmable gate array, programmable logic array, programmable logic device.
Above the present invention is described in detail, has applied specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (12)
1. a charge control method, is applied to an electronic equipment, and described charge control method comprises:
In to the charging process of described electronic equipment, detect respectively the temperature of multiple elements in described electronic equipment;
Detect the running parameter at least one the element place in described multiple element;
Temperature based on described multiple elements and described running parameter, determine the electric current adjustment amount for described electronic equipment; And
Based on described electric current adjustment amount, adjust the charging current of described electronic equipment.
2. charge control method as claimed in claim 1, wherein, described multiple elements comprise in CPU, battery, Graphics Processing Unit one of at least.
3. charge control method as claimed in claim 1, wherein, the step of described definite electric current adjustment amount comprises:
For described multiple elements each, obtain the reference table of the corresponding relation between reference temperature, reference work parameter and the reference current that represents described element respectively; And
Based on described reference table, the temperature detecting and the running parameter that detects, determine the electric current adjustment amount for described electronic equipment.
4. charge control method as claimed in claim 1, wherein, the step of described definite electric current adjustment amount comprises:
Temperature, temperature threshold and described running parameter based on detected, determine the electric current adjustment amount for described electronic equipment.
5. charge control method as claimed in claim 1, wherein, the step of described definite electric current adjustment amount comprises:
Temperature based on described multiple elements and described running parameter, determine the expected current adjustment amount for described electronic equipment;
Based on described expected current adjustment amount, determine the charging current of estimating after adjustment;
Charging current after described expectation adjustment and charging current threshold value are compared, to obtain a comparative result; And
Based on described comparative result, determine the electric current adjustment amount for described electronic equipment.
6. charge control method as claimed in claim 1, wherein, described at least one element is CPU, the load that described running parameter is described CPU.
7. a charge control apparatus, is applied to an electronic equipment, and described charge control apparatus comprises:
The first detecting unit, in to the charging process of described electronic equipment, detects respectively the temperature of multiple elements in described electronic equipment;
The second detecting unit, detects the running parameter at least one the element place in described multiple element;
Determining unit, the temperature based on described multiple elements and described running parameter, determine the electric current adjustment amount for described electronic equipment; And
Adjustment unit, based on described electric current adjustment amount, adjusts the charging current of described electronic equipment.
8. charge control apparatus as claimed in claim 7, wherein, described multiple elements comprise in CPU, battery, Graphics Processing Unit one of at least.
9. charge control apparatus as claimed in claim 7, wherein, described determining unit comprises:
Acquiring unit, respectively for described multiple elements each, obtains the reference table of the corresponding relation between reference temperature, reference work parameter and the reference current that represents described element;
Adjustment amount determining unit, based on described reference table, the temperature detecting and the running parameter that detects, determines the electric current adjustment amount for described electronic equipment.
10. charge control apparatus as claimed in claim 7, wherein, described determining unit is configured to:
Temperature, temperature threshold and described running parameter based on detected, determine the electric current adjustment amount for described electronic equipment.
11. charge control apparatus as claimed in claim 7, wherein, described determining unit comprises:
Estimate adjustment amount determining unit, the temperature based on described multiple elements and described running parameter, determine the expected current adjustment amount for described electronic equipment;
Estimate charging current determining unit, based on described expected current adjustment amount, determine the charging current of estimating after adjustment;
Comparing unit, compares the charging current after described expectation adjustment and charging current threshold value, to obtain a comparative result; And
Adjustment amount determining unit, based on described comparative result, determines the electric current adjustment amount for described electronic equipment.
12. charge control apparatus as claimed in claim 7, wherein, described at least one element is CPU, the load that described running parameter is described CPU.
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| CN104917241A (en) * | 2015-06-15 | 2015-09-16 | 陆俊 | Control method for charging current of mobile terminal and mobile terminal |
| CN105552988A (en) * | 2015-12-09 | 2016-05-04 | 歌尔声学股份有限公司 | Charging control method and device for wearable electronic device and smart watch |
| CN106655397A (en) * | 2017-01-13 | 2017-05-10 | 广东欧珀移动通信有限公司 | Charging control method, device and electronic equipment |
| CN104052138B (en) * | 2014-05-28 | 2017-07-11 | 惠州Tcl移动通信有限公司 | The control method of temperature when a kind of intelligent mobile terminal and its charging |
| WO2017147964A1 (en) * | 2016-02-29 | 2017-09-08 | 宇龙计算机通信科技(深圳)有限公司 | Method for regulating charging current, regulating device, and terminal |
| CN107785946A (en) * | 2016-08-30 | 2018-03-09 | 太普电子(常熟)有限公司 | Charging current control method and system thereof |
| WO2018058402A1 (en) * | 2016-09-29 | 2018-04-05 | 深圳市柔宇科技有限公司 | Fast charging control method, fast charging control system, and terminal device |
| CN105207289B (en) * | 2015-09-14 | 2018-06-01 | 联想(北京)有限公司 | A kind of charging module, electronic equipment and charging method |
| CN110532748A (en) * | 2019-08-27 | 2019-12-03 | Oppo（重庆）智能科技有限公司 | Battery management method and Related product |
| CN113224804A (en) * | 2020-02-04 | 2021-08-06 | 华为技术有限公司 | Charging control method and electronic equipment |
| CN114513029A (en) * | 2022-01-25 | 2022-05-17 | 北京小米移动软件有限公司 | Charging control method, charging control device and storage medium |
| CN114726013A (en) * | 2021-01-04 | 2022-07-08 | 北京小米移动软件有限公司 | Method and device for acquiring bright screen charging current, electronic equipment and storage medium |
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