CN103838655A - Computer system and method for controlling computer system - Google Patents
Computer system and method for controlling computer system Download PDFInfo
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- CN103838655A CN103838655A CN201210470103.5A CN201210470103A CN103838655A CN 103838655 A CN103838655 A CN 103838655A CN 201210470103 A CN201210470103 A CN 201210470103A CN 103838655 A CN103838655 A CN 103838655A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 33
- 239000000758 substrate Substances 0.000 abstract description 6
- 238000013021 overheating Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The invention discloses a computer system and a method for controlling the computer system. The computer system comprises a fan module, a temperature sensor, a tachometer, a substrate management controller and a logic control device, wherein the tachometer is used for detecting and outputting the first rotating frequency of the fan module, the temperature sensor is used for detecting the temperature of the computer system and outputting an overtemperature signal when the computer system is too hot, the substrate management controller is used for receiving a manual control signal, providing a fixed pulse width modulation signal for the fan module according to the manual control signal and outputting the manual control signal, and the logic control device is used for receiving the manual control signal and the first rotating frequency and generating and outputting a cooling pulse signal according to the first rotating frequency when the overtemperature signal is received by the logic control device.
Description
Technical field
The invention relates to a kind of electronic system and control method thereof, relate to especially a kind of computer system and control method thereof.
Background technology
Along with the development of numeral science and technology, computer system has been widely used in the middle of people's life, as desktop computer, notebook computer and network processing unit, server etc. in order to provide services on the Internet in order to provide individual to use.
Traditionally, the computer system of some types can be utilized the temperature of interior arrangement and the rotating speed of blower module in a baseboard management controller (baseboardmanagement controller, BMC) supervisory computer system, to adjust blower module.But, operate for ease of supvr, the fan management of baseboard management controller has automatic control mode and manual control model conventionally, if supvr arranges the fan management of baseboard management controller while being manual control model, the temperature of the interior arrangement that baseboard management controller cannot be monitored according to it and the adjustment of rotational speed blower module of blower module, thus, if when supvr's carelessness makes blower module rotating speed not enough, computer system may be because of the overheated machine of working as, or causes its inner member impaired.
Summary of the invention
An embodiment of the present invention is a kind of computer system, and it utilizes logic control device assisting base plate control and management device to carry out the control of blower module.
According to one embodiment of the invention, this computer system receives a manual control signal and comprises a blower module, a velocity gauge, a temperature-sensitive sticker, a baseboard management controller and a logic control device.This velocity gauge is electrically connected this blower module, in order to detect and to export one first rotational frequency of this blower module.This temperature-sensitive sticker is in order to detect the temperature of this computer system, and exports a heat alarm in the time that this computer system is overheated.This baseboard management controller, in order to receive and according to a manual control signal, to provide a fixed pulse width modulating signal to this blower module, and to export this manual control signal.This logic control device, be electrically connected this velocity gauge, this baseboard management controller and this blower module, and receive this manual control signal and this first rotational frequency, and in the time receiving this heat alarm, produce according to this first rotational frequency and output one cooling pulse signal.
According to one embodiment of the invention, this logic control device is in the time receiving this heat alarm, to export a switching signal.
According to one embodiment of the invention, this computer system also comprises a switch.This switch is electrically connected this baseboard management controller, this logic control device and this blower module.This switch be according to this switching signal optionally export this fixed pulse width modulating signal maybe this cooling pulse signal to this blower module.
According to one embodiment of the invention, this logic control device is after a Preset Time, just to export this cooling pulse signal and this switching signal in the time receiving this heat alarm.
According to one embodiment of the invention, this logic control device is in the time receiving this heat alarm, to make comparisons with this first rotational frequency and one second rotational frequency receiving after this Preset Time, be used to export when this second rotational frequency is less than or equal to this first rotational frequency this cooling pulse signal and this switching signal, and output one warning message is to this baseboard management controller.
The control method that another embodiment of the present invention is a kind of computer system.According to one embodiment of the invention, this computer system receives a manual control signal, and comprises a blower module, a switch, a velocity gauge, a temperature-sensitive sticker, a baseboard management controller and a logic control device.This control method comprises: one first rotational frequency of this blower module is detected and exported to this velocity gauge; This temperature-sensitive sticker is detected the temperature of this computer system, and exports a heat alarm in the time that this computer system is overheated; This baseboard management controller receives and provides a fixed pulse width modulating signal to this blower module according to this manual control signal, and exports this manual control signal; This logic control device receives this manual control signal and this first rotational frequency; And this logic control device produces according to this first rotational frequency and output one cooling pulse signal in the time receiving this heat alarm.
According to one embodiment of the invention, control method also comprises that this logic control device exports a switching signal in the time receiving this heat alarm.
According to one embodiment of the invention, control method also comprise that this switch receives and according to this switching signal optionally export this fixed pulse width modulating signal maybe this cooling pulse signal to this blower module.
According to one embodiment of the invention, the step of exporting this switching signal also comprises: this logic control device is just exported this cooling pulse signal and this switching signal in the time receiving this heat alarm after a Preset Time.
According to one embodiment of the invention, the step of exporting this switching signal also comprises: this logic control device is in the time receiving this heat alarm, to make comparisons with this first rotational frequency and one second rotational frequency receiving after this Preset Time, be used to export when this second rotational frequency is less than or equal to this first rotational frequency this cooling pulse signal and this switching signal, and output one warning message is to this baseboard management controller.
In sum, application the above embodiments, can be by monitoring heat alarm, the control model of baseboard management controller and the rotating speed of blower module, carry out the rotating speed control of blower module with assisting base plate Management Controller, and avoid making computer system overheated because of supvr carelessness, and cause computer system crash or cause the injury of its inner member.
Accompanying drawing explanation
The calcspar that Fig. 1 is the computer system that illustrates according to one embodiment of the invention;
The operation chart that Fig. 2 is the computer system that illustrates according to one embodiment of the invention; And
The schematic diagram of the control method that Fig. 3 is the computer system that illustrates according to one embodiment of the invention.
[main element symbol description]
100: computer system 110: logic control device
112: rotating speed detecting module 120: baseboard management controller
130: blower module 140: velocity gauge
150: switch 160: temperature-sensitive sticker
S1-S5: step S32-S36: sub-step
Sw_ctrl: switching signal
Embodiment
Below will and describe in detail with accompanying drawing and clearly demonstrate spirit of the present invention, under any, in technical field, have and conventionally know that the knowledgeable is understanding after preferred embodiment of the present invention, when can be by the technology of teachings of the present invention, change and modification, it does not depart from spirit of the present invention and scope.
About " electric connection " used herein, can refer to two or multiple element entity ground in electrical contact or indirectly in electrical contact.
An aspect of of the present present invention is a kind of computer system, for example, be desktop computer, notebook computer, network processing unit and server etc., clear for making to narrate, and in following paragraph, will describe as an example of server example.
The calcspar that Fig. 1 is the computer system 100 that illustrates according to one embodiment of the invention.Computer system 100 comprises logic control device 110, baseboard management controller (baseboard managementcontroller, BMC) 120, blower module 130, velocity gauge 140, switch 150 and temperature-sensitive sticker 160.Logic control device 110 is electrically connected baseboard management controller 120, velocity gauge 140, switch 150 and temperature-sensitive sticker 160.Baseboard management controller 120 is electrically connected velocity gauge 140 and switch 150.Blower module 130 is electrically connected velocity gauge 140 and switch 150.Wherein, logic control device 110 can be with (but being not limited to) logical circuit, programmable logic device (programmable logicdevice, PLD), complex programmable logic device (complex programmable logic device, CPLD) or programmable gate array (field programmable gate array, FPGA) realize.
Temperature-sensitive sticker 160 can detecting computer system 100 and the temperature of interior arrangement, for example, detect the temperature of central processing unit, memory body and power supply unit etc.Temperature-sensitive sticker 160 can for example, when overheated (temperature exceedes a preset threshold), send heat alarm (being for example CPU VR Hot_N, MEM VR Hot_N, PSU Hot Alert_N or NM Prochot_N) to logic control device 110 at computer system 100 and interior arrangement thereof.
By above-mentioned setting, in the time that baseboard management controller 120 is set to manual control model, the first rotational frequency that logic control device 110 can be exported according to heat alarm and velocity gauge 140, to judge whether that replacing baseboard management controller 120 provides cooling pulse signal to blower module 130.So can avoid computer system 100 to work as machine or inner member suffers damage because of overheated.
In one embodiment, aforementioned by logic control device 110 replace baseboard management controller 120 provide cooling pulse signal can realize by switch 150 to the operation of blower module 130.Two input ends of switch 150 can be electrically connected respectively logic control device 110 and baseboard management controller 120, and the output terminal of switch 150 can be electrically connected blower module 130, and the control end of switch 150 can be electrically connected logic control device 110.By above-mentioned setting, logic control device 110 can be by whether exporting a switching signal to switch 150, to make fixed pulse width modulating signal that cooling pulse signal that switch 150 selectivity output logic control device 110 export or baseboard management controller 120 export to blower module 130.
In addition, in one embodiment, logic control device 110 produces according to the first rotational frequency in the time receiving heat alarm and the concrete operations of output cooling pulse signal can be for example following.
First, can receive after manual control model signal and receive before heat alarm at logic control device 110, the first rotational frequency of the blower module 130 that reception velocity gauge 140 is exported, and then receive after heat alarm at logic control device 110, after a Preset Time, one second rotational frequency of the blower module 130 that reception velocity gauge 140 is exported.Then, logic control device 110 can compare the first rotational frequency and the second rotational frequency, if it is identical that the second rotational frequency is less than or equal to the first rotational frequency, and logic control device 110 continues to receive manual control model signal and heat alarms, the exportable cooling pulse signal of logic control device 110 and switching signal sw_ctrl (for example making switching signal sw_ctrl is high levels current potential) are sent to blower module 130 with the cooling pulse signal that makes logic control device 110 and export via switch 150 to switch 150.Meanwhile, also an exportable warning message is to baseboard management controller 120 for logic control device 110, and baseboard management controller 120 receives and store this warning message, grasps this overheated situation in order to supvr.
On the other hand, the cooling pulse signal of exporting at switch 150 output logic control device 110 to the situation of blower module 130 (that is logic control device 110 is controlled the rotating speed of blower module 130), if temperature-sensitive sticker 160 stops exporting heat alarm to logic control device 110, make logic control device 110 not receive heat alarm, the overheating conditions that can represent computer system 100 interior arrangements is removed, logic control device 110 can send another switching signal sw_ctrl (for example making switching signal sw_ctrl is low level current potential) to switch 150, to make fixed pulse width modulating signal that switch 150 output substrate Management Controllers 120 export to blower module 130.Similarly, the cooling pulse signal of exporting at switch 150 output logic control device 110 is to the situation of blower module 130, if baseboard management controller 120 stops exporting manual control signal to logic control device 110, and make logic control device 110 not receive manual control model signal, can represent that baseboard management controller 120 has switched to automatic control mode, logic control device 110 can send another switching signal sw_ctrl (for example making switching signal sw_ctrl is low level current potential) equally to switch 150, to make pulse width modulation signal that switch 150 output substrate Management Controllers 120 export to blower module 130.Meanwhile, also an exportable return information is to baseboard management controller 120 for logic control device 110, and baseboard management controller 120 receives and store this return information, grasps this overheated situation in order to supvr.
By operation like this, logic control device 110 can be after the overheating conditions of removing computer system 100 interior arrangements or baseboard management controller 120 switch to after automatic control mode, the baseboard management controller 120 that order belongs to higher-order arithmetic unit is again controlled the rotating speed of blower module 130.
In one embodiment, logic control device 110 can be according to the rotational frequency of the temperature of computer system 100 interior arrangements and/or the received blower module 130 of logic control device 110 so that pulse width modulation signal to be provided, and for example rotational speed control module 116 can use comparison list to provide pulse width modulation signal according to temperature or rotational frequency.
When noticing, logic control device 110 can provide pulse width modulation signal according to practice situation, for example, in one embodiment, for making computer system 100 fast coolings, rotational speed control module 116 can provide pulse width modulation signal to make blower module 130 full-speed operations, therefore rotational speed control module 116 provides the mode of pulse width modulation signal not to be limited with above-described embodiment.
Followingly the operation of aforementioned computer system 100 will be illustrated with an embodiment, but it operates not as limit.The operation chart that Fig. 2 is the computer system 100 that illustrates according to one embodiment of the invention.
Simultaneously with reference to Fig. 1, Fig. 2, at time point t
0time, baseboard management controller 120 is exported manual control signal to logic control device 110.During t
0-t
1in, because logic control device 110 not yet detects heat alarm, therefore logic control device 110 receives the first rotational frequency that velocity gauge 140 is exported.
At time point t
1time, logic control device 110 receives heat alarm, and starts time delay, as during t
1-t
2.Can be used as the surge time that supvr adjusts the rotating speed of blower module 130 time delay, for example, if supvr is at time point t
1the excess Temperature of computer-chronograph system 100, supvr may be at time point t
1, t
2between adjust the rotating speed of blower module 130.Thus, because the rotating speed of blower module 130 changes, in step then, therefore logic control device 110 can judge does not export cooling pulse signal to the rotating speed of blower module 130 with control blower module 130.
At time point t
2time, finish logic control device 110 time delay and receive the second rotational frequency of blower module 130.
At time point t
3time, the second rotational frequency detecting of blower module 130 finishes, and logic control device 110 can judge that whether baseboard management controller 120 is still for manual control model, logic control device 110 whether still detects heat alarm and whether first, second rotational frequency is identical.When in the situation that above-mentioned condition is all set up, logic control device 110 sends switching signal sw_ctrl (for example high levels current potential) to switch 150, to make cooling pulse signal that switch 150 output logic control device 110 export to blower module 130, to control the rotating speed of blower module 130.When noticing, aforementioned Preset Time be for example during t
1-t
3.
At time point t
4time, overheating conditions is removed, logic control device 110 is detected less than heat alarm, for example, therefore logic control device 110 sends another switching signal sw_ctrl (low level current potential) and controls switch 150, to make pulse width modulation signal that switch 150 output substrate Management Controllers 120 export to blower module 130, to control the rotating speed of blower module 130.
Another aspect of the present invention is a kind of control method of computer system.This control method can be used for same or similar computer system in structure and earlier figures 1.For convenience of description, following control method is to be described as an example of the embodiment shown in Fig. 1 example, but is not limited with the embodiment of Fig. 1.
When noticing, in the step in following control method, unless state clearly separately, otherwise do not there is particular order.In addition, following steps also may be performed simultaneously, or overlapping to some extent on the execution time.
The process flow diagram that Fig. 3 is the computer system control method 300 that illustrates according to one embodiment of the invention.Control method 300 can comprise:
The first rotational frequency of blower module 130 is detected and exported to velocity gauge 140; The temperature of temperature-sensitive sticker 160 detecting computer systems 100, and in the time that computer system 100 is overheated, export a heat alarm; Baseboard management controller 120 receives and provides fixed pulse width modulating signal to blower module 130 according to manual control signal, and exports manual control signal; Whether logic control device 110 is by receiving manual control model signal to judge that whether baseboard management controller 120 is as manual control model (step S1); If baseboard management controller 120 is manual control model, logic control device 110 can receive the rotational frequency of the blower module 130 that velocity gauge 140 exports and the heat alarm (step S2) that temperature-sensitive sticker 160 is exported; Then, logic control device 110 produces and exports cooling pulse signal to blower module 130, to control the rotating speed (step S3) of blower module 130 in the time receiving heat alarm according to the first rotational frequency.Wherein can, with reference to last embodiment, not repeat them here about the details of heat alarm.
By carrying out above-mentioned control method 300, by above-mentioned operation, in the time that baseboard management controller 120 is set to manual control model, the first rotational frequency that logic control device 110 can be exported according to heat alarm and velocity gauge 140, to judge whether that replacing baseboard management controller 120 provides cooling pulse signal to blower module 130.So can avoid computer system 100 to work as machine or inner member suffers damage because of overheated.
In step S1, if baseboard management controller 120 is automatic control mode, blower module 130 is controlled by baseboard management controller 120, and computer system 100 can repeated execution of steps S1, to judge whether baseboard management controller 120 switches to manual control model.
Switch to after manual control model at baseboard management controller 120, logic control device 110 can be receiving the first rotational frequency that receives the blower module 130 that velocity gauge 140 exports before heat alarm, and after the Preset Time receiving after heat alarm, the second rotational frequency of the blower module 130 that reception velocity gauge 140 is exported.
In step S3, logic control device 110 can judge whether to receive heat alarm, and is receiving heat alarm and relatively the second rotational frequency and first rotational frequency (sub-step S32) of blower module 130 after a Preset Time; If receiving the second rotational frequency of heat alarm and blower module 130, logic control device 110 is less than or equal to the first rotational frequency, logic control device 110 can judge whether to receive manual control model signal, that is judges whether baseboard management controller 120 is still manual control model (sub-step S34); If baseboard management controller 120 is still manual control model, the exportable switching signal sw_ctrl of logic control device 110 (for example high levels current potential) to switch 150 with the cooling pulse signal that makes switch output logic control device 110 and export to blower module 130, that is switch the rotating speed (sub-step S36) of being controlled blower module 130 by logic control device 110.Meanwhile, in one embodiment, also an exportable warning message is to baseboard management controller 120 for logic control device 110, and baseboard management controller 120 receives and store this warning message, grasps this overheated situation in order to supvr.
On the other hand, in sub-step S32, if logic control device 110 does not receive heat alarm, computer system 100 can repeated execution of steps S2, to continue to judge whether to receive heat alarm.Moreover, in sub-step S34, if baseboard management controller 120 is set to as automatic control mode in during computer system 100 performs step S2 and sub-step S32, the rotating speed of blower module 130 is controlled by baseboard management controller 120, computer system 100 can repeated execution of steps S1, whether switches to manual control model with the control model that judges baseboard management controller 120.
In one embodiment, control method 200 can also comprise: the cooling pulse signal that switch 150 output logic control device 110 are exported to blower module 130 (that is, controlled the rotating speed of blower module 130 by logic control device 110) situation under, logic control device 110 judges whether to receive heat alarm (step S4); If the heat alarm of not receiving, logic control device 110 sends another switching signal sw ctrl (for example low level current potential) to switch 150, to make fixed pulse width modulating signal that switch 150 output substrate Management Controllers 120 export to blower module 130 (that is, switch the rotating speed of being controlled blower module 130 by baseboard management controller 120) (step S5).By step S4, S5, after overheating conditions that computer system 100 can be installed is therein removed, the baseboard management controller 120 that order belongs to higher-order arithmetic unit is again controlled the rotating speed of blower module 130.
In addition, when logic control device 110 sends aforementioned another switching signal, also an exportable return information is to baseboard management controller 120 for logic control device 110, and baseboard management controller 120 receives and store this return information, grasps this overheated situation in order to supvr.
On the other hand, in step S4, if logic control device 110 continues to receive heat alarm, the overheating conditions that represents interior arrangement in computer system 100 is not yet eliminated, now computer system 100 can be carried out sub-step S34 again, to make logic control device 110 continue to judge whether baseboard management controller 120 is switched to automatic control mode.
Although the present invention discloses as above with embodiment; so it is not in order to limit the present invention, is anyly familiar with this skill person, without departing from the spirit and scope of the present invention; when being used for a variety of modifications and variations, the scope that therefore protection scope of the present invention ought define depending on appending claims is as the criterion.
Claims (10)
1. a computer system, is characterized in that, is to receive a manual control signal, and this computer system comprises:
One blower module;
One velocity gauge, is electrically connected this blower module, in order to detect and to export one first rotational frequency of this blower module;
One temperature-sensitive sticker in order to detect the temperature of this computer system, and is exported a heat alarm in the time that this computer system is overheated;
One baseboard management controller, in order to receive and according to a manual control signal, to provide a fixed pulse width modulating signal to this blower module, and to export this manual control signal; And
One logic control device, be electrically connected this velocity gauge, this baseboard management controller and this blower module, and receive this manual control signal and this first rotational frequency, and in the time receiving this heat alarm, produce according to this first rotational frequency and output one cooling pulse signal.
2. computer system according to claim 1, is characterized in that, this logic control device is in the time receiving this heat alarm, to export a switching signal.
3. computer system according to claim 2, it is characterized in that, also comprise a switch, be electrically connected this baseboard management controller, this logic control device and this blower module, this switch be according to this switching signal optionally export this fixed pulse width modulating signal maybe this cooling pulse signal to this blower module.
4. computer system according to claim 2, is characterized in that, this logic control device is after a Preset Time, just to export this cooling pulse signal and this switching signal in the time receiving this heat alarm.
5. computer system according to claim 4, it is characterized in that, this logic control device is in the time receiving this heat alarm, to make comparisons with this first rotational frequency and one second rotational frequency receiving after this Preset Time, be used to export when this second rotational frequency is less than or equal to this first rotational frequency this cooling pulse signal and this switching signal, and output one warning message is to this baseboard management controller.
6. the control method of a computer system, it is characterized in that, this computer system receives a manual control signal, this computer system comprises a blower module, a switch, a velocity gauge, a temperature-sensitive sticker, a baseboard management controller and a logic control device, and this control method comprises:
One first rotational frequency of this blower module is detected and exported to this velocity gauge;
This temperature-sensitive sticker is detected the temperature of this computer system, and exports a heat alarm in the time that this computer system is overheated;
This baseboard management controller receives and provides a fixed pulse width modulating signal to this blower module according to this manual control signal, and exports this manual control signal;
This logic control device receives this manual control signal and this first rotational frequency; And
This logic control device produces according to this first rotational frequency and output one cooling pulse signal in the time receiving this heat alarm.
7. control method according to claim 6, is characterized in that, also comprises:
This logic control device is exported a switching signal in the time receiving this heat alarm.
8. control method according to claim 7, is characterized in that, also comprises:
This switch receive and according to this switching signal optionally export this fixed pulse width modulating signal maybe this cooling pulse signal to this blower module.
9. control method according to claim 7, is characterized in that, the step of exporting this switching signal also comprises:
This logic control device is just exported this cooling pulse signal and this switching signal in the time receiving this heat alarm after a Preset Time.
10. control method according to claim 9, is characterized in that, the step of exporting this switching signal also comprises:
This logic control device is in the time receiving this heat alarm, to make comparisons with this first rotational frequency and one second rotational frequency receiving after this Preset Time, be used to export when this second rotational frequency is less than or equal to this first rotational frequency this cooling pulse signal and this switching signal, and output one warning message is to this baseboard management controller.
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| CN201210470103.5A CN103838655B (en) | 2012-11-20 | 2012-11-20 | Computer system and control method thereof |
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|---|---|---|---|
| CN201210470103.5A CN103838655B (en) | 2012-11-20 | 2012-11-20 | Computer system and control method thereof |
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| CN103838655A true CN103838655A (en) | 2014-06-04 |
| CN103838655B CN103838655B (en) | 2016-09-14 |
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| CN108170575A (en) * | 2017-12-25 | 2018-06-15 | 曙光信息产业(北京)有限公司 | A kind of control method and device of server radiating |
| CN109826822A (en) * | 2019-04-11 | 2019-05-31 | 苏州浪潮智能科技有限公司 | A kind of control method for fan and relevant apparatus |
| CN109882440A (en) * | 2019-04-16 | 2019-06-14 | 苏州浪潮智能科技有限公司 | A kind of fan rotation speed control apparatus and control method |
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|---|---|
| CN103838655B (en) | 2016-09-14 |
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