CN103176889A - Method and device for over-temperature protection to equipment - Google Patents
Method and device for over-temperature protection to equipment Download PDFInfo
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- CN103176889A CN103176889A CN2011104567703A CN201110456770A CN103176889A CN 103176889 A CN103176889 A CN 103176889A CN 2011104567703 A CN2011104567703 A CN 2011104567703A CN 201110456770 A CN201110456770 A CN 201110456770A CN 103176889 A CN103176889 A CN 103176889A
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Abstract
The invention relates to a method and a device for over-temperature protection to equipment, in particular to the method for the over-temperature protection to the equipment. The method comprises the following steps: operating state of a software application in charge of the over-temperature protection in the equipment is confirmed in response to the fact that detected temperatures of at least one part exceed the threshold temperature in the equipment; and a hardware component in charge of the over-temperature protection in the equipment is indicated to execute a first group of over-temperature protection movement in response to the fact that the software application is not in the normal operation state. The invention further provides the corresponding device for the over-temperature protection to the equipment. According to the method and the device for the over-temperature protection to the equipment, the over-temperature protection to the equipment can be well achieved through the manner of combination of software and hardware.
Description
Technical field
Embodiments of the present invention relate generally to the overheat protector field, more specifically, relate to the method and apparatus of the equipment overheat protector that combines for software and hardware.
Background technology
" excess temperature " (Over Temperature, OVT) refer in the equipment of the various permission Digital Control such as electronic equipment, plant equipment, electromechanical integration equipment, the actual temperature of one or more parts (here " parts " mainly refer to hardware component) such as CPU (central processing unit) (CPU), storer, flash memory, mainboard has surpassed threshold temperature.This threshold temperature is for example the ceiling temperature of equipment normal operation defined, for example rated temperature or nominal temperature; It can be also the critical temperature that should take to warn or protect action.
The excess temperature phenomenon is such as because heat dissipation problem, environment temperature, equipment running status etc. are many former thereby cause.For guaranteeing that equipment normally moves, protects part of appliance not to be damaged and protects the reason such as secure user data, the excess temperature that effectively occurs in checkout equipment and to take corresponding protection action be vital.Overheat protector mechanism of the prior art can be divided into two classes substantially, that is, and and software mechanism and hardware mechanisms.
In software overheat protector mechanism, one or more temperature sensors of bottom are arranged to the temperature of one or more parts in checkout equipment.The temperature that detects is delivered to corresponding software.Software determines according to the temperature that receives and corresponding strategy whether corresponding parts excess temperature has occured.If determine that excess temperature has occured certain or some parts, software can be taked next step protection action.The software of being responsible for overheat protector can be custom-designed user software, also such as the system software of operating system (Operating System, OS) and so on.
Although the software overheat protector is widely adopted, there is obvious defective.For example, in case software runs into the problems such as inefficacy, unexpected deadlock, kernel fault, just can't make correctly response to the excess temperature problem in equipment again.And for example, if occur the physical unit of excess temperature be just the required parts of the normal operation of software (for example, the storer that software code is written into, the disk that software product is resident, etc.), excess temperature will cause this software itself can't normal running.At this moment, can't take in time safeguard measure in the situation that excess temperature occurs.
On the other hand, in hardware based overheat protector mechanism, the part temperatures that sensor can detect it passes to the hardware component of being responsible for overheat protector, for example, and dedicated IC chip etc.If overheat protector hardware determining means temperature has surpassed threshold value, can utilize the hardware technology means to send vision and/or aural alert to the user.Especially, can utilize startup and shutdown control circuit Shutdown Hosts equipment by force.In this way, can prevent because the excess temperature problem causes physical equipment impaired.
Yet in hardware overheat protector mechanism, on main process equipment, the information of current operation and processing and data often can't be saved and back up (normally being completed by software because of this) by force before shutdown.In this case, probably will cause loss or the damage of data.In plurality of application scenes such as database, data storage, data center, data degradation will cause serious adverse consequences.
Thus, need in the art a kind of safer, intelligence and equipment overheat protector scheme flexibly.
Summary of the invention
In order to alleviate the problems referred to above, the invention provides a kind of method and apparatus that is used for the equipment overheat protector of software and hardware combining.
In one aspect of the invention, provide a kind of for equipment being carried out the method for overheat protector.The method comprises: the detected temperatures in response at least one parts in described equipment surpasses threshold temperature, determines the running status of the software application of the responsible overheat protector in described equipment; And be not in normal operating condition in response to definite described software application, indicate the hardware component of the responsible overheat protector in described equipment to carry out first group of overheat protector action.
A kind of device of the overheat protector for equipment is provided in another aspect of this invention.This device comprises: status determining unit, configuration are used for surpassing threshold temperature in response to the detected temperatures of at least one parts of described equipment, determine the running status of the software application of the responsible overheat protector in described equipment; And first indicating member, configuration is used for not being in normal operating condition in response to definite described software application, indicate first group of overheat protector of hardware component execution of the responsible overheat protector in described equipment to move.
Will be understood that by hereinafter describing in detail, according to the embodiment of the present invention, can be with software overheat protector mechanism and hardware overheat protector mechanism effectively, combine neatly.Particularly, in the situation that the parts generation excess temperature in equipment being detected, can attempt carrying out the overheat protector action by software application, with the safety of guaranteeing to greatest extent user data and complete.Simultaneously, embodiments of the present invention will be before indication software be carried out the overheat protector action, afterwards or can dynamically determine whether this software application of responsible excess temperature overprotection is in normal operating condition simultaneously.If determine software overheat protector mechanism failure, just can start hardware overheat protector mechanism, carry out the overheat protector action thereby replaced by hardware component.
In this way, the invention provides the mode of utilizing software and hardware combining and better equipment is carried out the innovative techniques scheme of overheat protector.
Description of drawings
Read hereinafter detailed description by the reference accompanying drawing, above-mentioned and other purposes of embodiment of the present invention, the feature and advantage easy to understand that will become.In the accompanying drawings, show some embodiments of the present invention in exemplary and nonrestrictive mode, wherein:
Fig. 1 schematically shows the process flow diagram of the method 100 that is used for the equipment overheat protector of exemplary embodiment of the invention;
Fig. 2 schematically shows the process flow diagram of the method 200 that is used for the equipment overheat protector of exemplary embodiment of the invention;
Fig. 3 schematically shows the block diagram according to the device 300 that is used for the equipment overheat protector of exemplary embodiment of the invention;
Fig. 4 schematically shows the block diagram of the computer system 400 that is fit to put into practice embodiment of the present invention.
In each accompanying drawing, identical or corresponding label represents identical or corresponding part.
Embodiment
Some illustrative embodiments are below with reference to the accompanying drawings described principle of the present invention and spirit.Should be appreciated that providing these embodiments is only in order to make those skilled in the art can understand better and then realize the present invention, and be not to limit the scope of the invention by any way.
At first with reference to figure 1, it shows the indicative flowchart according to the method 100 that is used for the equipment overheat protector of exemplary embodiment of the invention.Should be appreciated that each step shown in method 100 can be according to different order execution, executed in parallel, be omitted or comprise other unshowned additional steps.
According to the embodiment of the present invention, method 100 for example can be carried out by the control device (for example, controller) of the responsible overheat protector in system.This control device for example can pass through hardware, firmware, software and/or its combination in any to be realized.Hereinafter also specifically describe over-temperature protection device according to embodiment of the present invention in connection with Fig. 3.
After method 100 beginnings, at step S 102, obtain the detected temperatures (being designated as T) of at least one parts in equipment.
According to the embodiment of the present invention, in can checkout equipment, the temperature of various parts, for example include but not limited to following one or more: CPU (central processing unit) (CPU), storer, disk, CD drive, graphic process unit (Graphics Processing Unit, GPU), mainboard, be coupled to the various plug-in cards (for example, display driver card, sound driver card) on mainboard, etc.Here the parts of enumerating are only exemplary, and the present invention is applicable to any hardware component that needs to control temperature in equipment.
It will be understood by those skilled in the art that and to utilize present known or any proper technology means exploitation in the future to obtain detected temperatures to limiting-members.One or more temperature sensors can be equipped with for example, in equipment, for detection of the temperature of corresponding component and with the temperature that the detects formal output with digital signal.In such embodiment, for example, can obtain from these temperature sensors the temperature of each hardware component equipment.
At step S102 place, can obtain constantly or watch-dog in the temperature of parts.Alternatively or annex ground, also can regularly obtain according to predetermined period part temperatures, and/or obtain part temperatures in response to instruction, etc.
Next, method 100 proceeds to step S104, whether has surpassed threshold temperature at this detected temperatures T that determines accessed parts.According to the embodiment of the present invention, threshold temperature can be nominal operation temperature or the nominal temperature of corresponding component.Alternatively, predetermined temperature can be also that user or upper layer software (applications) are used configurable any critical temperature.
If the detected temperatures T in step S104 place determining means surpasses threshold temperature (branch's "No"), method 100 can turn back to step S102, in order to continue to carry out the detection to temperature.
On the other hand, if surpassed threshold temperature at the detected temperatures T of step S104 place determining means, method 100 proceeds to step S106, to determine to reside in the running status of being responsible for the software application of overheat protector on equipment.
According to the embodiment of the present invention, the software application of the responsible overheat protector on equipment can be special-purpose user-level software, can be also the system-Level software such as operating system OS.
At step S106 place, can determine by various suitable technological means the running status of the software application of responsible overheat protector.For example, according to some embodiment, can set up information communication mechanism between the software application of being responsible for overheat protector and over-temperature protection device.Thus, can send status poll to the software application of being responsible for overheat protector.If receive the feedback of status that software application sends in response to this inquiry, can determine that this software application is in normal operating condition at step S106 place.
Alternatively or additionally, in the preferred embodiment of the present invention, can by using the strategy based on timer and software-reset, determine whether the software application of being responsible for overheat protector is in normal operating condition at step S106 place.The example of this type of embodiment will be described in detail with reference to figure 2 hereinafter.
If determine that at step S106 place the software application of being responsible for overheat protector is not in normal operating condition (branch's "No"), method 100 step S108 places, carry out first group of overheat protector with the hardware component of the responsible overheat protector in indicating equipment and move.
According to the embodiment of the present invention, first group of overheat protector action refers to that the overheat protector of implementing based on hardware mode moves.This type of overheat protector action case is as comprising but do not limit following one or more: make warning lamp (for example, LED etc.) with specific pattern flicker; Export specific sound; The hardware component of excess temperature occurs in forbidding; Make equipment downtime or lower electricity, etc.For example, can send indication to the hardware circuit chip of being responsible for device power-up and shutdown, it is closed equipment by force.Yet, should be appreciated that by first group of overheat protector action of hardware component realization and common not comprising the data on equipment preserved and backed up.
Especially, as mentioned above, can adopt at step S106 place based on the strategy of timer and determine whether the software application of being responsible for overheat protector is in normal operating condition.Correspondingly, in such embodiment, at step S108 place, can adopt equally based on the strategy of timer and indicate the hardware component of being responsible for overheat protector to take first group of overheat protector action, this also will describe in detail with reference to figure 2 hereinafter.
On the other hand, if determine that at step S106 the software application of being responsible for overheat protector is in normal operating condition (branch's "Yes"), method 100 is carried out second group of overheat protector action in this software application of step S110 place's indication.
According to the embodiment of the present invention, at step 110 place, can utilize various suitable technological means to realize indication to above-mentioned software application.For example, over-temperature protection device can send look-at-me to software application by means of hardware driver.And for example, can realize this indication to software application by calling suitable application programming interface (API).Other modes are also feasible, and scope of the present invention is unrestricted in this regard.
Be appreciated that according to the embodiment of the present invention, second group of overheat protector action refers to that the overheat protector of being taked by software application moves.Such overheat protector action case is as following one or more in including but not limited to: send notice to the keeper who is in charge of this equipment, such as sending Email, Short Message Service (SMS) message, multimedia information service (MMS) message etc.; Warning on the user interface (UI) of equipment or relevant webpage; Make warning lamp (for example, LED, etc.) luminous or flicker with specific pattern; Produce and export specific sound; The hardware component of excess temperature occurs in forbidding; Make equipment downtime or lower electricity, etc.
Especially, according to the embodiment of the present invention, second group of overheat protector action being carried out by software application comprises to be backed up the data on equipment.This comprises the user data on equipment is backed up, and/or the various hardware of present operation and/or the state of software are backed up.Backup comprises the machine backup or destage (destage) backup.In this way, even in the situation that hardware component is disabled or equipment is shut down, the security of user data and integrality also can be protected.
By Fig. 2 and above description; it will be understood to those of skill in the art that: if determine that the software application of being responsible for overheat protector is in normal operating condition; the action of the overheat protector in equipment will be carried out by software application (for example, second group of overheat protector action).At this moment, need not to start hardware overheat protector mechanism (for example, first group of overheat protector mechanism).
Note, here said " ends " do not mean that the excess temperature that stops equipment detects and protects.On the contrary, using this term is only for the purpose of sake of clarity in logic.Method 100 can be repeatedly performed or regularly carry out, thereby realizes the lasting overheat protector to equipment.
By method 100, normally move if be responsible for the software application of overheat protector, carry out overheat protector action by this software application, thus data integrity and completeness to greatest extent on protection equipment.On the other hand, if determine to be responsible for the software application trouble or failure of overheat protector, can replace startup hardware overheat protector mechanism.In this way, can realize the combination of software overheat protector mechanism and hardware overheat protector mechanism.
Below with reference to Fig. 2, it shows the process flow diagram of the method 200 that is used for the equipment overheat protector according to one exemplary embodiment.Similar with method 100, each step shown in method 200 can be according to different order execution, executed in parallel, be omitted or comprise other unshowned additional steps.
Note, method 200 can be considered to be a kind of specific implementations of method 100.More particularly, the embodiment of method 200 adopts based on the strategy of timer and realizes the overheat protector mechanism that software and hardware combines.
After method 200 beginnings, at step S202 place, obtain the detected temperatures (T) of at least one parts in equipment.Whether the detected temperatures T that next, gets at step S202 place in step S204 judgement has surpassed the threshold temperature of being scheduled to.If threshold temperature is not exceeded branch's "No" of place (the step S204), method 200 is returned to step S202 to continue to carry out temperature detection.On the other hand, if the part temperatures T that detects has surpassed threshold temperature (branch's "Yes" of step S204), method 200 proceeds to step S206, and the software application of the responsible overheat protector on this indicating equipment is carried out second group of overheat protector action.
Be appreciated that step S202, S204 and S206 in method 200 correspond respectively to above with reference to step S102, S104 and S110 in the method 100 of figure 1 description.Therefore, above the feature of integrating step S102, S104 and S110 description is equally applicable to step S202, S204 and S206, does not repeat them here.
The step S208 that the below will describe can be understood as the embodiment of step S106 and the S108 of method 100 to step S214.
At step S208 place, generate the first indicator signal of going to the hardware component of being responsible for overheat protector.The hardware component of overheat protector is responsible in this first indicator signal indication: will carry out first group of overheat protector action being responsible for by it.Be appreciated that the first indicator signal will be in effective status after being generated at step S208 place.Term " effective status " refers to that signal is set to high level logical one value in other words as used herein.
Pay special attention to, carry out although in Fig. 2, step S208 is shown after step S206, this is only clear on representing.In fact, step S208 can carry out before step S206 or concurrent execution with it.Scope of the present invention is not subject to any restriction in this regard.
In other words, when the period 1 did not expire, timer was in " not yet due " state, and the second indication is set to low level or logical zero value.Otherwise if the period 1 expires, timer arrives " expiring " state, and indication this moment second will be lifted and be high level or logical one value.Thus, when the second indicator signal was high level or logical one value, the expression timer expired.
Further, be in when timer in the situation of the state of expiring, if this timer is reset, timer will enter " not yet due " state again.Correspondingly, the second indicator signal becomes low level or logical zero value at this.It will be understood to those of skill in the art that term used herein " replacement " refers to: make the timer pair period 1 related with it restart timing
Especially, according to the embodiment of the present invention, such timer can be set when device start.Perhaps, this timer also can be in the situation that the detected temperatures T of step S204 place determining means surpasses threshold temperature is set.And for example, the timer software application that can be responsible for overheat protector in equipment is activated and normally is set after operation.Be also feasible other opportune moments of timer being carried out initial set, and scope of the present invention is unrestricted in this regard.It will be understood to those of skill in the art that term " set " is that the order timer begins the period 1 timing as used herein.
At the run duration of equipment, the software application of overheat protector is responsible in configuration, makes this software application regularly reset to timer according to the predetermined cycle (being designated as second round).Especially, according to the embodiment of the present invention, the period 1 that is associated with timer is greater than the second round of software application replacement timer.In this way, after device start and stable operation, the software of the being responsible for overheat protector timer of can constantly resetting makes it always be in not yet due state.Like this, only can guarantee the hardware overheat protector in the situation that the inefficacy of software overheat protector just can be activated.This also will explain hereinafter in detail.
Next, method 200 proceeds to step S212, determines whether the first indicator signal of generating at step S208 place and the second indicator signal of obtaining at step S210 place be effective simultaneously.As known in the art, this for example can realize by the first indicator signal and the second indicator signal are carried out logical “and” (AND) computing.
If the result of logical “and” operation is high level logical one in other words, the first indicator signal and the second indicator signal simultaneously effective (branch's "Yes" of step S212) are described.That is to say, when the first indicator signal of going to the overheat protector hardware component was generated, timer expired.In this case, method proceeds to step S214, is responsible for the hardware component of overheat protector in this indication and carries out first group of overheat protector action.Step S214 is corresponding to the step S108 in the method 100 of describing above with reference to Fig. 1, and its detail does not repeat them here.
Below, explain in further detail step S208 to the principle of work of step S212.As indicated above, before the indication software application is carried out second group of protection action, afterwards or simultaneously, generate the first indicator signal.Correspondingly, software application is configured to the timer that regularly replacement was associated with the period 1 with second round.Especially, the period 1 is greater than second round.
Like this, software application just constantly makes timer restart timing with frequency more frequently after starting operation constantly.In this way, be in normal operating condition as long as be responsible for the software of overheat protector, timer just can not reach the state of expiring (this relation by period 1 and second round is guaranteed).Correspondingly, the second indicator signal also just is in disarmed state (that is, low level or logical zero value) all the time.In this case, at step S212 place, the logic "and" operation result of the first indicator signal and the second indicator signal will be always invalid (low level or logical zero), both can be simultaneously not effectively.Thus, hardware overheat protector mechanism just can not be activated.
Otherwise if software application self has been in abnormal running status, it can't complete the replacement to timer.At this moment, owing in time not reset, timer will reach the state of expiring when the period 1 expires.Correspondingly, the second indicator signal will be lifted and be high level or logical one value.Like this, will be effectively (high level or logical one value) in the result of the logic "and" operation of step S212 place's the first indicator signal and the second indicator signal, both simultaneously effectively.Thus, hardware protection mechanism will be activated.
By above-described mode, method 200 is passed through the flexible use of timer, and has realized the overheat protector mechanism of software and hardware combining.
Be similar to method 100, method 200 finishes not mean that the excess temperature that stops equipment detects and protection.On the contrary, said " end " is only clear for what explain in logic here.Method 200 can be repeatedly performed or regularly carry out, thereby realizes the lasting overheat protector to equipment.
By above describing; it will be appreciated by those skilled in the art that; method 200 is a kind of embodiments based on hardware timer of method 100; it can arrange rightly by the cycle to timer cycle and software-reset timer, judged whether timer was responsible for the software application of overheat protector and is reset before expiring.If timer is not reset, think that the overheat protector software application no longer is in normal operating condition, and therefore, second group of (software) overheat protector action may do not carried out correctly.In this case, hardware overheat protector mechanism can in time be started.And, process the first indicator signal and the second indicator signal by utilizing logic "and" operation, can guarantee to realize speed and the efficient of aspect.
Below with reference to Fig. 3, it shows the schematic block diagram that is used for equipment is carried out the device 300 of overheat protector according to one exemplary embodiment.
As shown in Figure 3, the device 300 that is used for the protection of equipment temperature comprises: status determining unit 302, configuration is used for surpassing threshold temperature in response to the detected temperatures of at least one parts of described equipment, determines the running status of the software application of the responsible overheat protector in described equipment; And first indicating member 304, configuration is used for not being in normal operating condition in response to definite described software application, indicate first group of overheat protector of hardware component execution of the responsible overheat protector in described equipment to move.
In some embodiments of the present invention, the described software application timer in described equipment that is configured to regularly to reset.At this moment, described status determining unit 302 comprises: whether the first determining unit, configuration are used for being reset by described software application before expiring by the described timer that judges described equipment, determine the running status of described software application.
In such embodiment, establish described timer and be associated with the period 1.Described software application is configured to the described timer of regular replacement second round less than the described period 1.Correspondingly, the first indicating member 304 can comprise: signal generation unit, configuration are used for generating the first indicator signal of going to described hardware component, and described the first indicator signal indication will be carried out described first group of overheat protector action; And signal acquiring unit, configuration is used for obtaining overdue the second indicator signal of the described timer of indication.Described the first indicating member 304 is configured in response to definite described the first indicator signal and described the second indicator signal effective simultaneously, indicates described hardware component to start the execution of described first group of overheat protector action.
In realizing the embodiment of software and hardware combining protection mechanism based on timer, wherein said timer is set when described device start.
In addition, In some embodiments of the present invention, equipment 300 also comprises the second indicating member, is in normal operating condition in response to definite described software application, indicates described software application to start second group of overheat protector action.Especially, the action of second group of overheat protector can comprise the data on described equipment are backed up.
Should be appreciated that above-described device 300 may be implemented as the overheat protector controller in equipment, its specific implementation is such as comprising hardware integration circuit, chip or plug-in card etc.Device 300 can be used (for example, OS or user software use) with the bottom hardware temperature sensor of temperature (for example, for detection of) and upper layer software (applications) and communicate by letter.
Especially, for the purpose of clear, the subelement that optional unit and unit comprise is not shown in Fig. 3.Yet, should be appreciated that because device 300 can serve as the main body of carrying out above-described method 100 and 200, therefore install the unit that comprises in 300 and correspond respectively to above with reference to the step in the method 100 and 200 of figure 1 and Fig. 2 description.Thus, above be equally applicable to device 300 for method 100 and 200 operation and the features of describing, do not repeat them here.
Should be appreciated that the device 300 of describing with reference to figure 3 can utilize variety of way to realize.For example, in some embodiments, device 300 can utilize software and/or firmware to realize.Alternatively or additionally, device 300 can partially or fully be realized based on hardware.For example, device 300 can be implemented as integrated circuit (IC) chip or special IC (ASIC).Device 300 also can be implemented as SOC (system on a chip) (SOC).Known or other modes exploitation in the future are also feasible now, and scope of the present invention is unrestricted in this regard.
Below with reference to Fig. 4, it shows the schematic block diagram of the computer system 400 that is suitable for putting into practice embodiment of the present invention.For example, computer system 400 shown in Figure 4 can be used for realization as the equipment of overheat protector object.Certainly, this is only example, and the present invention is applicable to need excess temperature to detect and any equipment of protection.
As shown in Figure 4, computer system can comprise: CPU (CPU (central processing unit)) 401, RAM (random access memory) 402, ROM (ROM (read-only memory)) 403, system bus 404, hard disk controller 405, keyboard controller 406, serial interface controller 407, parallel interface controller 408, display controller 409, hard disk 410, keyboard 411, serial external unit 412, parallel external unit 413 and display 414.In these equipment, with system bus 404 coupling CPU401, RAM402, ROM403, hard disk controller 405, keyboard controller 406, serialization controller 407, parallel controller 408 and display controller 409 arranged.Hard disk 410 and hard disk controller 405 couplings, keyboard 411 and keyboard controller 406 couplings, serial external unit 412 and serial interface controller 407 couplings, parallel external unit 413 and parallel interface controller 408 couplings, and display 414 and display controller 409 couplings.Should be appreciated that the described structured flowchart of Fig. 4 illustrates just to the purpose of example, rather than limitation of the scope of the invention.In some cases, can increase or reduce as the case may be some equipment.
As mentioned above, device 300 can be implemented as pure hardware, such as chip, plug-in card, ASIC, SOC etc.These hardware can be integrated in computer system 400.In addition, embodiments of the present invention also can realize by the form of computer program.For example, the method 100 and 200 with reference to figure 1 and Fig. 2 description can realize by computer program.This computer program can be stored in RAM404 for example shown in Figure 4, ROM404, hard disk 410 and/or any suitable storage medium, perhaps downloads on computer system 400 from suitable position by network.Computer program can comprise the computer code part, and it comprises can be by the programmed instruction of suitable treatment facility (for example, the CPU401 shown in Fig. 4) execution.Described programmed instruction can comprise the instruction for the step of implementation method 100 and 200 at least.
Above spirit of the present invention and principle have been explained in conjunction with some embodiments.According to the embodiment of the present invention, can be with software overheat protector mechanism and hardware overheat protector mechanism effectively, combine neatly.Particularly, can attempt carrying out overheat protector action by software application, with the safety of guaranteeing to greatest extent user data and complete.Simultaneously, embodiments of the present invention will be before indication software be carried out the overheat protector action, afterwards or can dynamically determine whether this software application of responsible excess temperature overprotection is in normal operating condition simultaneously.If determine software overheat protector mechanism failure, just can start hardware overheat protector mechanism, carry out the overheat protector action thereby replaced by hardware component.In this way, can realize better by the mode of software and hardware combining overheat protector to equipment.
Should be noted that embodiments of the present invention can realize by the combination of hardware, software or software and hardware.Hardware components can utilize special logic to realize; Software section can be stored in storer, and by suitable instruction execution system, for example microprocessor or special designs hardware are carried out.Those having ordinary skill in the art will appreciate that above-mentioned equipment and method can and/or be included in the processor control routine with computer executable instructions realizes, for example provides such code on such as the mounting medium of disk, CD or DVD-ROM, such as the programmable memory of ROM (read-only memory) (firmware) or the data carrier such as optics or electronic signal carrier.Equipment of the present invention and module thereof can be by such as VLSI (very large scale integrated circuit) or gate array, realize such as the semiconductor of logic chip, transistor etc. or such as the hardware circuit of the programmable hardware device of field programmable gate array, programmable logic device etc., also can use the software of being carried out by various types of processors to realize, also can by the combination of above-mentioned hardware circuit and software for example firmware realize.
Although should be noted that some unit of having mentioned device in above-detailed, this division is not only enforceable.In fact, according to the embodiment of the present invention, the feature of above-described two or more unit and function can realize in a unit.Otherwise, the feature of an above-described unit and function can Further Division for to be realized by a plurality of unit.
In addition, although described in the accompanying drawings the operation of the inventive method with particular order,, this is not that requirement or hint must be carried out these operations according to this particular order, or the operation shown in must carrying out all could realize the result of expectation.On the contrary, the step of describing in process flow diagram can change execution sequence.Additionally or alternatively, can omit some step, a plurality of steps be merged into a step carry out, and/or a step is decomposed into a plurality of steps carries out.
Although described the present invention with reference to some embodiments, should be appreciated that, the present invention is not limited to disclosed embodiment.The present invention is intended to contain interior included various modifications and the equivalent arrangements of spirit and scope of claims.The scope of claims meets the most wide in range explanation, thereby comprises all such modifications and equivalent structure and function.
Claims (14)
1. method that is used for equipment is carried out overheat protector comprises:
Detected temperatures in response at least one parts in described equipment surpasses threshold temperature, determines to be responsible in described equipment the running status of the software application of overheat protector; And
Be not in normal operating condition in response to definite described software application, indicate the hardware component of being responsible for overheat protector in described equipment to carry out first group of overheat protector action.
2. method according to claim 1, the wherein said software application timer in described equipment that is configured to regularly to reset; And wherein
Determine that the running status of being responsible for the software application of overheat protector in described equipment comprises:
By judge that whether the described timer in described equipment was reset by described software application, determined the running status of described software application before expiring.
3. method according to claim 2, wherein:
Described timer was associated with the period 1; And
Described software application is configured to the described timer of regular replacement second round less than the described period 1.
4. method according to claim 2, the hardware component of being responsible for overheat protector in the described equipment of its indicating is carried out first group of overheat protector action and is comprised:
The first indicator signal of described hardware component is gone in generation, and described the first indicator signal indication will be carried out described first group of overheat protector action;
Obtain overdue the second indicator signal of the described timer of indication; And
Effective simultaneously in response to described the first indicator signal and described the second indicator signal, indicate described hardware component to start the execution of described first group of overheat protector action.
5. according to claim 2-4 described methods of any one, wherein said timer when described device start or described software application be set when starting.
6. method according to claim 1 also comprises:
Be in normal operating condition in response to definite described software application, indicate described software application to start second group of overheat protector action.
7. method according to claim 6, wherein said second group of overheat protector action comprises to be backed up the data on described equipment.
8. device that is used for equipment is carried out overheat protector comprises:
Status determining unit, configuration are used for surpassing threshold temperature in response to the detected temperatures of at least one parts of described equipment, determine to be responsible in described equipment the running status of the software application of overheat protector; And
The first indicating member, configuration are used for not being in normal operating condition in response to definite described software application, indicate the hardware component of being responsible for overheat protector in described equipment to carry out first group of overheat protector action.
9. device according to claim 8, the wherein said software application timer in described equipment that is configured to regularly to reset; And wherein
Described status determining unit comprises: whether the first determining unit, configuration are used for being reset by described software application before expiring by the described timer that judges described equipment, determine the running status of described software application.
10. device according to claim 9, wherein:
Described timer was associated with the period 1; And
Described software application is configured to the described timer of regular replacement second round less than the described period 1.
11. device according to claim 9, wherein said the first indicating member comprises:
Signal generation unit, configuration are used for generating the first indicator signal of going to described hardware component, and described the first indicator signal indication will be carried out described first group of overheat protector action; And
Signal acquiring unit, configuration are used for obtaining overdue the second indicator signal of the described timer of indication;
Wherein said the first indicating member is arranged in response to described the first indicator signal and described the second indicator signal effective simultaneously, indicates described hardware component to start the execution of described first group of overheat protector action.
12. according to claim 9-11 described devices of any one, wherein said timer when described device start or described software application be set when starting.
13. device according to claim 8 also comprises:
The second indicating member is in normal operating condition in response to definite described software application, indicates described software application to start second group of overheat protector action.
14. device according to claim 13, wherein said second group of overheat protector action comprises to be backed up the data on described equipment.
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| CN201110456770.3A CN103176889B (en) | 2011-12-21 | 2011-12-21 | For equipment method and device for over-temperature protection |
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| CN201110456770.3A CN103176889B (en) | 2011-12-21 | 2011-12-21 | For equipment method and device for over-temperature protection |
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