CN102200816B - Computer, heat-radiating module and automatic dust-removing method - Google Patents
Computer, heat-radiating module and automatic dust-removing method Download PDFInfo
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- CN102200816B CN102200816B CN201010134369.3A CN201010134369A CN102200816B CN 102200816 B CN102200816 B CN 102200816B CN 201010134369 A CN201010134369 A CN 201010134369A CN 102200816 B CN102200816 B CN 102200816B
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Abstract
The invention provides a computer, a heat-radiating module and an automatic dust-removing method. The computer comprises a heating component, a heat-radiating device which is connected with the heating component and used for bringing the heat generated by the heating component outside the computer, a detecting module for detecting system heat resistance of the computer and giving a dust-removing signal when detecting that the current system heat resistance is greater than a critical heat resistance, and an automatic dust-removing device connected with the heat-radiating device and the detecting module respectively and used for carrying out the dust-removing operation on the heat-radiating device. The scheme of the invention realizes the purpose of automatic dust removing of the heat-radiating device in the computer.
Description
Technical field
The present invention relates to computer realm, refer to a kind of computing machine especially, the method for heat radiation module and automatic dust removing.
Background technology
Dust accumulation causes computer product to dispel the heat one of failed arch-criminal, and current computer product there is no dedusting function, and computer user also and do not know when this cleaning dust, more cannot be cleared up dust voluntarily, maintain computer.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of computing machine, and the method for heat radiation module and automatic dust removing, can enable computing machine automatic dust removing, improves the radiating efficiency of computing machine.
For solving the problems of the technologies described above, embodiments of the invention provide technical scheme as follows:
On the one hand, a kind of computing machine is provided, comprises:
Heat generating components;
Heat abstractor, is connected with described heat generating components, and the heat for being produced by described heat generating components is taken out of outside described computing machine;
Detection module, for detection computations machine system thermal resistance, when detecting that current system thermal resistance is greater than a critical thermal resistance, sends dedusting signal;
Automatic dust removing apparatus, is connected with described heat abstractor and described detection module respectively, for according to described dedusting signal, carries out dust removal operation to described heat abstractor.
Preferably, described automatic dust removing apparatus comprises: drive unit, transmission shaft, dust removal brush;
Wherein, described drive unit is connected with described transmission shaft, and described dust removal brush is connected with described transmission shaft;
Described drive unit drives described transmission shaft to rotate according to described dedusting signal, drives described dust removal brush from the first end brush of described heat abstractor to the second end of described heat abstractor when described transmission shaft rotates, or from described second end brush to described first end.
Preferably, described automatic dust removing apparatus also comprises: primary importance induction installation and second place induction installation;
Wherein, described primary importance induction installation is arranged at the first end of described heat abstractor, and described second place induction installation is arranged at the second end of described heat abstractor;
Described primary importance induction installation is used for when described first end position senses described dust removal brush, and produce the first induced signal, described drive unit, according to described first induced signal, changes the sense of rotation of described transmission shaft into second direction by first direction;
Described second place induction installation is used for when described second end position place senses described dust removal brush, and produce the second induced signal, described drive unit, according to described second induced signal, changes the sense of rotation of described transmission shaft into first direction by second direction.
Preferably, above computer also comprises: fan base, fan frame and flabellum; Wherein, described fan base and described fan frame form an accommodation space, and described flabellum is arranged on described fan base, is positioned at described accommodation space;
Described heat abstractor is fixedly connected with described fan frame, and described transmission shaft is connected with described dust removal brush through described fan frame;
Described primary importance induction installation and described second place induction installation lay respectively at described fan frame outside surface, and are fixedly connected with described fan frame.
Preferably, described automatic dust removing apparatus also comprises: leading axle, be connected with described dust removal brush through described fan frame, for guiding described dust removal brush to aim at described heat abstractor from the first end brush of described heat abstractor to the second end of described heat abstractor, or from described second end brush to described first end.
Preferably, described flabellum is connected with an axle center, and described axle center is connected with a bearing, and described bearing is connected with fan base, described fan base ground connection; Described flabellum, axle center, bearing and base form a conductive path.
Preferably, described pick-up unit comprises:
First measurement mechanism, for obtaining the temperature around flabellum;
Second measurement mechanism, for obtaining the DIE Temperature of the CPU of described computing machine;
3rd measurement mechanism, for obtaining the power of CPU;
Treating apparatus, for obtaining current thermal resistance R by formula R=(Tj-Tsys)/Power, and when current thermal resistance R is greater than critical thermal resistance R0, sends dedusting signal to described drive unit;
Wherein Tj is the parameter of the DIE Temperature representing CPU, and Tsys is the parameter of the temperature represented around fan, and Power is the parameter of the power of CPU described in representative, and R0 is critical heat resistance.
Preferably, described heat abstractor has the discharge-channel of discharge dust, and the dust that described heat abstractor produces after being carried out dust removal operation by described automatic dust removing apparatus is emitted by described discharge-channel.
Preferably, described heat abstractor comprises multiple tactic radiating fin, and one end of described radiating fin has dust exhausting hole, and the dust exhausting hole of multiple described radiating fin forms described discharge-channel.
On the other hand, embodiments of the invention also provide a kind of heat radiation module, and be applied in an electronic equipment, this heat radiation module comprises:
Heat abstractor;
Fan;
Automatic dust removing apparatus, is arranged between described heat abstractor and described fan, is connected with described heat abstractor, and the dedusting signal produced during for being greater than a critical thermal resistance according to described electronic equipment current system thermal resistance, carries out dust removal operation to described heat abstractor;
The dust that described automatic dust removing apparatus produces after carrying out dust removal operation to described heat abstractor, under the effect of described fan wind-force, discharges described electronic equipment.
Preferably, described automatic dust removing apparatus comprises: drive unit, transmission shaft, dust removal brush, primary importance induction installation and second place induction installation; Wherein, described drive unit is connected with described transmission shaft, and described dust removal brush is connected with described transmission shaft, and described primary importance induction installation is arranged at the first end of described heat abstractor, and described second place induction installation is arranged at the second end of described heat abstractor;
Described drive unit drives described transmission shaft to rotate, and drives described dust removal brush from the first end brush of dust device to the second end of described dust device when described transmission shaft rotates, or from described second end brush to described first end;
Described primary importance induction installation, when described first end position senses described dust removal brush, produces the first induced signal, and described drive unit, according to described first induced signal, changes the sense of rotation of described transmission shaft into second direction by first direction;
Described second place induction installation is when described second end position place senses described dust removal brush, and produce the second induced signal, described drive unit, according to described second induced signal, changes the sense of rotation of described transmission shaft into first direction by second direction.
Again on the one hand, embodiments of the invention also provide a kind of method of automatic dust removing, and be applied in an electronic equipment, the method comprises:
The dedusting signal that the current system thermal resistance receiving described electronic equipment produces when being greater than a critical thermal resistance;
According to described dedusting signal, dust removal operation is carried out to the heat abstractor of described electronic equipment.
Preferably, the step producing dedusting signal when current system thermal resistance is greater than a critical thermal resistance comprises:
Temperature around the electric fan obtaining described electronic equipment and the DIE Temperature of heat generating components of described electronic equipment and the power of this heat generating components;
Obtain current system thermal resistance R by formula R=(Tj-Tsys)/Power, and when current system thermal resistance R is greater than critical thermal resistance R0, produce dedusting signal; Wherein Tj is the parameter of the DIE Temperature representing heat generating components, and Tsys is the parameter of the temperature represented around flabellum, and Power is the parameter of the power of heat generating components described in representative, and R0 is critical heat resistance.
Preferably, according to described dedusting signal, dust removal operation is carried out to the heat abstractor of described electronic equipment and specifically comprises:
The drive unit of described automatic dust removing apparatus is according to described dedusting signal, the transmission shaft of described automatic dust removing apparatus is driven to rotate, when described transmission shaft rotates, drive the dust removal brush of described automatic dust removing apparatus from the first end brush of described heat abstractor to the second end of described heat abstractor, or from described second end brush to described first end, and the dust that will produce, emitted by the discharge-channel of described heat abstractor.
Embodiments of the invention have following beneficial effect:
Such scheme of the present invention arranges automatic dust removing apparatus by the heat abstractor place at computing machine, detection module is when detecting that current system thermal resistance is greater than critical thermal resistance, illustrate that this heat dissipation system for computers has occurred the problem that radiating efficiency is low due to the accumulation of dust, therefore, a dedusting signal is sent; This automatic dust removing apparatus detects the dedusting signal sent according to detection module, carry out dust removal operation to heat abstractor, thus the dust on heat abstractor is cleared away automatically, reaches the object to computing machine automatic dust removing, thus improves the radiating efficiency of computing machine.
Accompanying drawing explanation
Fig. 1 is the johning knot composition of computing machine fan of the present invention, heat abstractor and automatic dust removing apparatus;
The syndeton overall appearance figure that Fig. 2 is fan shown in Fig. 1, heat abstractor and automatic dust removing apparatus;
Fig. 3 is specially the enlarged drawing of radiating fin group for heat abstractor described in Fig. 1;
Fig. 4 is the enlarged drawing of primary importance induction installation or second place induction installation in structure shown in Fig. 1;
Fig. 5 is the enlarged drawing of dust removal brush described in Fig. 1;
Fig. 6 is Fig. 1 fan chassis ground, fan is carried out to the circuit diagram of conductive processing;
Fig. 7 for including the structural drawing of pick-up unit further in computing machine shown in Fig. 1;
Fig. 8 is the fan in desk-top computer, the annexation figure between automatic dust removing apparatus and heat abstractor;
Fig. 9 is the structural drawing of the discharge-channel of the heat abstractor of desk-top computer;
Figure 10 is the Part I process flow diagram of the method for embodiments of the invention automatic dust removing;
Figure 11 is the Part II process flow diagram of the method for embodiments of the invention automatic dust removing.
Embodiment
For embodiments of the invention will be solved technical matters, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Embodiments of the invention cannot the problem of automatic dust removing for prior art Computer, provides one can enable computing machine automatic dust removing, has the computing machine utilizing the radiating efficiency improving computing machine, the method for heat radiation module and automatic dust removing.
As shown in Figure 1 and Figure 2, Fig. 1 is heat abstractor in a kind of computing machine of embodiments of the invention, the decomposition chart of automatic dust removing apparatus, and Fig. 2 is the overall appearance figure of Fig. 1; Embodiments of the invention computing machine comprises: heat generating components is (not shown, this heat generating components is as the CPU etc. of computing machine), heat abstractor 11, detection module (figure) automatic dust removing apparatus, wherein, heat abstractor is connected with described heat generating components, and the heat for being produced by described heat generating components is taken out of outside described computing machine; Detection module, for detection computations machine system thermal resistance, when detecting that current system thermal resistance is greater than a critical thermal resistance, sends dedusting signal; This automatic dust removing apparatus, is connected with described heat abstractor and described detection module respectively, for according to described dedusting signal, carries out dust removal operation to described heat abstractor.
This embodiment of the present invention is by increasing detection module in a computer, at heat abstractor, place arranges automatic dust removing apparatus, this automatic dust removing apparatus detects according to this detection module the automatic dust removing signal that current system thermal resistance produces when being greater than a critical thermal resistance, automatic dust removing is carried out to heat abstractor, thus the dust on heat abstractor is cleared away automatically, reach the object to computing machine automatic dust removing, thus improve the radiating efficiency of computing machine.
Again as shown in Figure 1, above-mentioned automatic dust removing apparatus comprises: drive unit 12, transmission shaft 13, dust removal brush 14;
Wherein, described drive unit 12 is connected with described transmission shaft 13, and described dust removal brush 14 is connected with described transmission shaft 13;
Described drive unit 12 is according to described dedusting signal, described transmission shaft 13 is driven to rotate, described transmission shaft 13 drives described dust removal brush 14 from the first end brush of described heat abstractor 11 to the second end of described heat abstractor 12 when rotating, or from described second end brush to described first end.
Wherein, described heat abstractor 11 has the discharge-channel 111 of discharge dust, and the dust that described heat abstractor 11 produces after being carried out dust removal operation by described automatic dust removing apparatus after inswept by dust removal brush 14, is emitted by logical 111 roads of described discharge; Especially, under the effect of fan wind power, emitted by described discharge-channel 111, now can by cleaner for dust cleaning.
In addition, described automatic dust removing apparatus also comprises: primary importance induction installation 151 and second place induction installation 152; Wherein, described primary importance induction installation 151 is arranged at the first end of described heat abstractor 11, and described second place induction installation 152 is arranged at the second end of described heat abstractor 11;
Described primary importance induction installation 151 is for when described first end position senses described dust removal brush 14, produce the first induced signal, described drive unit 12, according to described first induced signal, changes the sense of rotation of described transmission shaft 13 into second direction by first direction;
Described second place induction installation 152 is for when described second end position place senses described dust removal brush 14, produce the second induced signal, described drive unit 12, according to described second induced signal, changes the sense of rotation of described transmission shaft 13 into first direction by second direction.
Specifically, as shown in Figure 1, primary importance induction installation 151 is positioned at the right-hand member (i.e. first end) of heat abstractor 11, second place induction installation 152 is positioned at the left end (i.e. the second end) of heat abstractor 11, drive unit 12 is when driving transmission shaft 13 to rotate forward (as turning clockwise), this dust removal brush 14 moves to the left end of heat abstractor 11 from the right-hand member of heat abstractor 11, and the radiating fin of inswept heat abstractor 11; After this dust removal brush 14 moves to the left end of heat abstractor 11, second place induction installation 151 senses this dust removal brush 14, produce the second induced signal, drive unit 12 will according to this second induced signal, the sense of rotation of transmission shaft 13 is changed into reverse rotation (as being rotated counterclockwise), dust removal brush 14 under the effect of this transmission shaft 13, inswept heat abstractor 11 from left to right, and arrive the right-hand member of heat abstractor 11; Certainly the first end of heat abstractor 11 is not limited to be right-hand member here, also can be left end, it is left end that second end is also not limited to, also can be right-hand member, first end and the second end are the relative two ends of heat abstractor 11, the sense of rotation starting to drive also is not limited to be rotate forward, and also can be reverse rotation.
Again as shown in Figure 1, above computer also comprises: the flabellum 18 of fan base 16, fan frame 17 and fan;
Wherein, described fan base 16 forms an accommodation space with described fan frame 17, and described flabellum 18 is arranged on described fan base 16, is positioned at described accommodation space; Described heat abstractor 11 is fixedly connected with described fan frame 17, and described transmission shaft 13 is connected with described dust removal brush 14 through described fan frame 17, its middle fan frame 17 has the hole can passed for transmission shaft 13; Described primary importance induction installation 151 and described second place induction installation 152 lay respectively at described fan frame 17 outside surface, and be fixedly connected with described fan frame 17, specifically, this primary importance induction installation 151 is fixedly connected with fan frame 17 by screw mode with second place induction installation 152.
In addition, again as shown in Figure 1, described automatic dust removing apparatus also comprises: leading axle 19, be connected with described dust removal brush 14 through described fan frame 17, for guiding the bristle of described dust removal brush 14 to aim at described heat abstractor 11 from the first end brush of described heat abstractor 11 to the second end of described heat abstractor 11, or from described second end brush to described first end; Dust on such heat abstractor 11 just can be swept up by dust removal brush 14, and is emitted by the discharge-channel 111 of heat abstractor 11, reaches automatic dust removing effect.
Specifically, described heat abstractor 11 comprises multiple tactic radiating fin, and one end of described radiating fin has dust exhausting hole, and the dust exhausting hole of multiple described radiating fin forms described discharge-channel, and the concrete enlarged drawing of this heat abstractor 11 as shown in Figure 3.
In addition, above-mentioned primary importance induction installation 151 and second place induction installation 152 are identical position induction devices, as shown in Figure 4, for above-mentioned primary importance induction installation 151, or the schematic enlarged-scale view of second place induction installation 152: wherein, this primary importance induction installation 151 or second place induction installation 152 comprise: PCB (Printed circuit board, printed circuit board (PCB)) plate 1511, middle hole 1512, sensor 1513, and with the screw hole 1514 fixed of fan frame 17; Drive unit 12 drives transmission shaft 13 to be passed by this hole 1512.
As shown in Figure 5, be the enlarged drawing of dust removal brush 14, this dust removal brush 14 specifically includes brush body, the first hole 141 on brush body, the second hole 142 on brush body, and bristle 143; Wherein, transmission shaft 13 moves dust removal brush 14 through this first pore area and moves, and leading axle 19, through this second hole 141, guides the bristle 143 of this dust removal brush 14 can aim at heat abstractor and sweeps up dust.
As shown in Figure 6, the fan in the present embodiment is the fan with self-cleaning function, and due to electrostatic meeting attract dust, and fan area inevitably has electrostatic to exist, and in order to avoid Electrostatic Absorption dust, reduces being infected with of the overall dust of fan, and fan is made conductive processing; As shown in the figure, the conductive path of described fan comprises: flabellum 18, fan base 16, bearing 23 and axle center 24, wherein, flabellum 18 is connected with axle center 24, axle center 24 is connected with bearing 23, and bearing 23 is connected with base 16, base 16 ground connection, flabellum 18, axle center 24, bearing 23 and fan base 16 are all conductions, and they can form a conductive path;
Further, this conductive path also comprises magnet 25 and coil 26; Wherein, flabellum 18 and magnet 25 and axle center 24 are linked together by rotor 182, and base 16 and bearing 23 and coil 26 are the entirety (can be referred to as stator) linked together; Wherein, flabellum 18 and axle center 24 require conduction and conducting, bearing 23 and base 16 are conduction and mutual conduction, ground wire (GND) other end on the left side is fan ambient air, the ground wire of air and computer inside keeps in touch, base 16 is ground connection (GND) also, and magnet and coil function produce magnetic field, for fan turns provides power; When flabellum 18 operates, axle center 24 and bearing 23 (or base 16) have continuously or the conducting be interrupted, and like this, flabellum 18, axle center 24, bearing 23 and fan base 16 form a conductive path, and electrostatic just can be led away, make flabellum can not be infected with a large amount of dust.
Wherein, the material of above-mentioned flabellum 18 can be the material of metal or carbon fiber etc. conduction itself, also can be that the material of fan own is non-conductive but at plated surface one deck conductive layer; The material of base 16 can be the material of metal or carbon fiber etc. conduction itself, also can be that material own is non-conductive but at plated surface one deck conductive layer.
In the above embodiment of the present invention, fan frame 17 can be separated with fan base 16, can fit together by modes such as screws, also can be non-removable (fan base 16 is one with fan frame 17).
As shown in Figure 7, in above computer embodiment of the present invention: pick-up unit is specifically connected with the drive unit 12 of stating of automatic dust removing apparatus, during for detecting that the current thermal resistance of system is greater than critical thermal resistance, send dedusting signal to described drive unit, described drive unit drives described transmission shaft to rotate according to described dedusting signal; Specifically, described pick-up unit comprises:
First measurement mechanism (the Tsys sensor as in figure), for obtaining the temperature around fan;
Second measurement mechanism (the CPU Tj sensor as in figure), for obtaining the DIE Temperature of the CPU of described computing machine;
3rd measurement mechanism (the cpu power measurement module as in figure), for obtaining the power of CPU;
Treating apparatus, for obtaining current thermal resistance R by formula R=(Tj-Tsys)/Power, and when current thermal resistance R is greater than critical thermal resistance R0, sends dedusting signal to described drive unit;
Wherein Tj is the parameter of the DIE Temperature representing CPU, and Tsys represents the parameter of the temperature around fan, and Power is the parameter of the power of CPU described in representative, and R0 is default critical heat resistance;
In this embodiment, Tj can be specifically the DIE Temperature value that the temperature sensor placed on CPU measures CPU, also can be the equivalent temperature parameter got by the voltage transitions of this temperature sensor; Tsys is positioned over the temperature value around fan that the temperature sensor around electric fan measures, also can be the equivalent temperature parameter got by the voltage transitions of this temperature sensor; Power can be specifically the performance number of the CPU that cpu power measurement module measures, and also can be the voltage that measures of this power measurement module or current value; Heat pipe in figure is a part of element comprised in notebook computer conventional heat sinks, function is that the heat of thermal source is delivered to radiating fin, weld with radiating fin, heat pipe and CPU contact formation heat passage, the heat of CPU is conducting to radiating fin by heat pipe, heat, under the effect of fan wind-force, is taken to outside computing machine by radiating fin by heat.
In the above embodiment of the present invention, drive unit 12 is specifically as follows drive motor or servomotor, this automatic dust removing apparatus also has a support 20 (as shown in Figure 1), for fixing this drive motor or servomotor, fan cover 21, for being buckled in fan frame 17, forms outside drawing as shown in Figure 2.
As shown in Figure 8 and Figure 9, for the position relationship between the fan of desktop computer and radiating fin group and annexation, wherein, automatic dust removing apparatus (comprises fan base at fan, fan frame and flabellum) and radiating fin in the middle of, the position relationship of other parts is arranged according to the requirement of desktop computer, and identical shown in the concrete structure of automatic dust removing apparatus with above-mentioned Fig. 1, does not repeat them here.
Illustrate below in conjunction with above-mentioned Fig. 1 and Figure 10 and Figure 11, the method flow of the above embodiment of the present invention automatic dust removing, this automatic dust removing method is applied in an electronic equipment, and this automatic dust removing method comprises:
Step 101, the dedusting signal produced when the current system thermal resistance receiving described electronic equipment is greater than a critical thermal resistance;
Step 102, according to described dedusting signal, carries out dust removal operation to the heat abstractor of described electronic equipment.
Wherein, in above-mentioned steps 101, the step producing dedusting signal when current system thermal resistance is greater than a critical thermal resistance comprises:
Temperature around the electric fan obtaining described electronic equipment and the DIE Temperature of heat generating components of described electronic equipment and the power of this heat generating components;
Obtain current system thermal resistance R by formula R=(Tj-Tsys)/Power, and when current system thermal resistance R is greater than critical thermal resistance R0, produce dedusting signal; Wherein Tj is the parameter of the DIE Temperature representing heat generating components, and Tsys is the parameter of the temperature represented around flabellum, and Power is the parameter of the power of heat generating components described in representative, and R0 is critical heat resistance.
Above-mentioned steps 102 is specially: according to described dedusting signal, carries out dust removal operation specifically comprise the heat abstractor of described electronic equipment:
The drive unit of described automatic dust removing apparatus is according to described dedusting signal, the transmission shaft of described automatic dust removing apparatus is driven to rotate, when described transmission shaft rotates, drive the dust removal brush of described automatic dust removing apparatus from the first end brush of described heat abstractor to the second end of described heat abstractor, or from described second end brush to described first end, and the dust that will produce, emitted by the discharge-channel of described heat abstractor.
Specifically, as shown in Figure 10, this flow process comprises:
Dust accumulation trace routine triggers;
Setting rotating speed of fan and CPU add certain loads;
Obtain the value of the first measurement mechanism of temperature in detection system, obtain the value of the second measurement mechanism detecting cooled heat source temperature (or can other physical quantitys of the representation temperature), obtain the value (or other physical quantitys of power can be represented) of the 3rd measurement mechanism detecting cooled power of heat source;
Treating apparatus calculates current thermal resistance, and whether more current thermal resistance is greater than critical thermal resistance, if not then alert device (can be notebook computer itself, or optional equipment) reminding user does not temporarily need dedusting; If so, then reminding user dust may too much, and article block inlet and outlet to ask user to be confirmed whether;
Confirm do not have article to block inlet and outlet user, then may be because dust too much causes the current thermal resistance of system to be greater than critical thermal resistance, therefore, Automatic clearance dust flow process can be entered; Otherwise, again detect, again detect if do not need, then abandon and terminate current process.
As shown in figure 11, be Automatic clearance dust flow process, this flow process comprises:
Pick-up unit sends the enabled instruction of Automatic clearance dust;
Fan accelerates to maximum (top) speed, and dedusting starts;
Drive motor starts, and starts to rotate forward;
Dust removal brush, under the drive of the transmission shaft of drive motor, leaves the right-hand member of heat abstractor, and the left end to heat abstractor moves;
The agglomerate dust emissions passage of the right-hand member of heat abstractor is opened, and certainly, this dust emissions passage also can be the left end being positioned at heat abstractor;
The radiating fin of dust removal brush is inswept heat abstractor, the dust on radiating fin can be accumulated in together;
Dust removal brush moves to the left end of heat abstractor, and the second place induction installation (as position transducer) of left end triggers, and produces the second induced signal;
Drive motor is according to this second induced signal commutation reversion, and dust removal brush moves from left to right;
The radiating fin of dust removal brush inswept heat abstractor again, dust removal brush gets back to the right-hand member of heat abstractor, and the dust on radiating fin under the effect of fan wind-force, can be emitted by discharge-channel;
The agglomerate dust emissions pathway closure of heat abstractor right-hand member, certainly, now also can not close, and this dust removal brush can also continue to carry out dedusting work to left movement, until the current thermal resistance in system has been less than critical thermal resistance, can close this dust emissions passage;
The primary importance induction installation (position transducer as right-hand member) of heat abstractor right-hand member is triggered, and produces the first induced signal;
Drive motor can according to this first induced signal commutation reversion, also can stop the rotation (when dedusting is complete, can stop the rotation according to this first induced signal);
Rotation speed of the fan recovers normal, and dedusting terminates recovery and awaits orders.
In addition, embodiments of the invention also provide a kind of heat radiation module, and this heat radiation module is applied in an electronic equipment, and this heat radiation module comprises: heat abstractor; Fan; Automatic dust removing apparatus, is arranged between described heat abstractor and described fan, is connected with described heat abstractor, and the dedusting signal produced during for being greater than a critical thermal resistance according to described electronic equipment current system thermal resistance, carries out dust removal operation to described heat abstractor;
The dust that described automatic dust removing apparatus produces after carrying out dust removal operation to described heat abstractor, under the effect of described fan wind-force, discharges described electronic equipment.
Wherein, this automatic dust removing apparatus comprises: drive unit, transmission shaft, dust removal brush; Wherein, described drive unit is connected with described transmission shaft, and described dust removal brush is connected with described transmission shaft;
Described drive unit drives described transmission shaft to rotate, and drives described dust removal brush from the first end brush of dust device to the second end of described dust device when described transmission shaft rotates, or from described second end brush to described first end.
Wherein, described dust device has the discharge-channel of discharge dust, and the dust on described dust device is emitted by described discharge-channel.
When this automatic dust removing apparatus is applied in computing machine, this dust device can be specifically the heat abstractor linked together with fan in computing machine.
In addition, this automatic dust removing apparatus also can comprise leading axle described above, this leading axle is connected with described dust removal brush through described fan frame, for guiding described dust removal brush to aim at described heat abstractor from the first end brush of described heat abstractor to the second end of described heat abstractor, or from described second end brush to described first end.
This automatic dust removing apparatus also can comprise primary importance induction installation described above, the parts such as second place induction installation, described primary importance induction installation is when described first end position senses described dust removal brush, produce the first induced signal, described drive unit, according to described first induced signal, changes the sense of rotation of described transmission shaft into second direction by first direction;
Described second place induction installation is when described second end position place senses described dust removal brush, and produce the second induced signal, described drive unit, according to described second induced signal, changes the sense of rotation of described transmission shaft into first direction by second direction.The function of these parts is also identical with the function of the corresponding component in above computer embodiment, does not repeat them here.
In sum, the overall appearance of above-mentioned Fig. 1 of the present invention-embodiment illustrated in fig. 9, basic identical with conventional Ian, so can accessiblely be applied in portable computer now, do not cause the design difficulty such as extra mechanism and cost increase.
The invention provides the data feedback that detects according to intrasystem pick-up unit to after system, via calculating/judgement, the system that detects is the need of dedusting, and timely reminding user, when needs dedusting, the dust being accumulated in the inside can be removed by the fan in system with Automatic clearance dust function automatically.Further, further special dustproof design has been done to the flabellum of fan, made fan self keep clean, ensure the work efficiency of fan.This invention also has following beneficial effect:
Portable computer self intelligent cleaning is reminded; Detect fast, accuracy rate is high; Cleaning dust can be carried out without the need to disassembling portable computer; Fan self anti-dust is sticky with;
When being applied in notebook computer, the present invention can point out the dust accumulated in user's notebook computer to hinder proper heat reduction; The dust of Automatic clearance heating radiator place accumulation when the present invention can hinder proper heat reduction at the dust accumulated, ensures the normal of laptop heat-dissipation function, and without the teardown of engine, brings great convenience to user and customer service; The flabellum of fan of the present invention, can reduce being infected with of dust in routine use, extends the serviceable life of fan and reduces noise.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a computing machine, is characterized in that, comprising:
Heat generating components;
Heat abstractor, is connected with described heat generating components, and the heat for being produced by described heat generating components is taken out of outside described computing machine;
Detection module, for detection computations machine system thermal resistance, when detecting that current system thermal resistance is greater than a critical thermal resistance, sends dedusting signal;
Automatic dust removing apparatus, is connected with described heat abstractor and described detection module respectively, for according to described dedusting signal, carries out dust removal operation to described heat abstractor;
Fan base, fan frame and flabellum; Wherein, described fan base and described fan frame form an accommodation space, and described flabellum is arranged on described fan base, is positioned at described accommodation space; Described heat abstractor is fixedly connected with described fan frame;
Described flabellum is connected with an axle center, and described axle center is connected with a bearing, and described bearing is connected with fan base, described fan base ground connection; Described flabellum, axle center, bearing and base form a conductive path;
This conductive path also comprises magnet and coil; Wherein, flabellum and magnet and axle center are linked together by rotor, and base and bearing and coil are the entirety linked together; Described automatic dust removing apparatus comprises: drive unit, transmission shaft, dust removal brush;
Wherein, described drive unit is connected with described transmission shaft, and described dust removal brush is connected with described transmission shaft;
Described drive unit drives described transmission shaft to rotate according to described dedusting signal, drives described dust removal brush from the first end brush of described heat abstractor to the second end of described heat abstractor when described transmission shaft rotates, or from described second end brush to described first end; Described automatic dust removing apparatus also comprises: primary importance induction installation and second place induction installation;
Wherein, described primary importance induction installation is arranged at the first end of described heat abstractor, and described second place induction installation is arranged at the second end of described heat abstractor;
Described primary importance induction installation is used for when described first end position senses described dust removal brush, and produce the first induced signal, described drive unit, according to described first induced signal, changes the sense of rotation of described transmission shaft into second direction by first direction;
Described second place induction installation is used for when described second end position place senses described dust removal brush, and produce the second induced signal, described drive unit, according to described second induced signal, changes the sense of rotation of described transmission shaft into first direction by second direction.
2. computing machine according to claim 1, is characterized in that,
Described transmission shaft is connected with described dust removal brush through described fan frame; Described primary importance induction installation and described second place induction installation lay respectively at described fan frame outside surface, and are fixedly connected with described fan frame.
3. computing machine according to claim 2, it is characterized in that, described automatic dust removing apparatus also comprises: leading axle, be connected with described dust removal brush through described fan frame, for guiding described dust removal brush to aim at described heat abstractor from the first end brush of described heat abstractor to the second end of described heat abstractor, or from described second end brush to described first end.
4. computing machine according to claim 2, is characterized in that, described pick-up unit comprises:
First measurement mechanism, for obtaining the temperature around flabellum;
Second measurement mechanism, for obtaining the DIE Temperature of the CPU of described computing machine;
3rd measurement mechanism, for obtaining the power of CPU;
Treating apparatus, for obtaining current thermal resistance R by formula R=(Tj-Tsys)/Power, and when current thermal resistance R is greater than critical thermal resistance R0, sends dedusting signal to described drive unit;
Wherein Tj is the parameter of the DIE Temperature representing CPU, and Tsys is the parameter of the temperature represented around fan, and Power is the parameter of the power of CPU described in representative, and R0 is critical heat resistance.
5. computing machine according to claim 1, is characterized in that, described heat abstractor has the discharge-channel of discharge dust, and the dust that described heat abstractor produces after being carried out dust removal operation by described automatic dust removing apparatus is emitted by described discharge-channel.
6. computing machine according to claim 5, is characterized in that, described heat abstractor comprises multiple tactic radiating fin, and one end of described radiating fin has dust exhausting hole, and the dust exhausting hole of multiple described radiating fin forms described discharge-channel.
7. dispel the heat a module, is applied in an electronic equipment, it is characterized in that, comprising:
Heat abstractor;
Fan;
Automatic dust removing apparatus, be arranged between described heat abstractor and described fan, be connected with described heat abstractor, the dedusting signal produced during for being greater than a critical thermal resistance according to described electronic equipment current system thermal resistance, carries out automatic dust removing operation to described heat abstractor;
The dust that described automatic dust removing apparatus produces after carrying out dust removal operation to described heat abstractor, under the effect of described fan wind-force, discharges described electronic equipment;
Wherein, described fan comprises: fan base, fan frame and flabellum; Wherein, described fan base and described fan frame form an accommodation space, and described flabellum is arranged on described fan base, is positioned at described accommodation space; Described heat abstractor is fixedly connected with described fan frame;
Described flabellum is connected with an axle center, and described axle center is connected with a bearing, and described bearing is connected with fan base, described fan base ground connection; Described flabellum, axle center, bearing and base form a conductive path;
This conductive path also comprises magnet and coil; Wherein, flabellum and magnet and axle center are linked together by rotor, and base and bearing and coil are the entirety linked together; Described automatic dust removing apparatus comprises: drive unit, transmission shaft, dust removal brush, primary importance induction installation and second place induction installation; Wherein, described drive unit is connected with described transmission shaft, and described dust removal brush is connected with described transmission shaft, and described primary importance induction installation is arranged at the first end of described heat abstractor, and described second place induction installation is arranged at the second end of described heat abstractor;
Described drive unit drives described transmission shaft to rotate, and drives described dust removal brush from the first end brush of dust device to the second end of described dust device when described transmission shaft rotates, or from described second end brush to described first end;
Described primary importance induction installation, when described first end position senses described dust removal brush, produces the first induced signal, and described drive unit, according to described first induced signal, changes the sense of rotation of described transmission shaft into second direction by first direction;
Described second place induction installation is when described second end position place senses described dust removal brush, and produce the second induced signal, described drive unit, according to described second induced signal, changes the sense of rotation of described transmission shaft into first direction by second direction.
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| CN201010134369.3A CN102200816B (en) | 2010-03-25 | 2010-03-25 | Computer, heat-radiating module and automatic dust-removing method |
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| CN104329295A (en) * | 2013-07-22 | 2015-02-04 | 中兴通讯股份有限公司 | Fan dust removing method and device |
| CN105611813B (en) * | 2016-03-15 | 2018-08-14 | 合肥联宝信息技术有限公司 | Dust pelletizing system for radiator and the electronic equipment for being provided with the system |
| CN111240282B (en) * | 2019-12-31 | 2021-12-24 | 联想(北京)有限公司 | Process optimization method, device, equipment and computer readable storage medium |
| CN112958542B (en) * | 2021-02-04 | 2022-03-08 | 安徽商贸职业技术学院 | Machine case structure convenient for cleaning inside of computer |
| CN112987467B (en) * | 2021-04-22 | 2024-04-23 | 成都极米科技股份有限公司 | Dustproof heat dissipation device, electronic equipment and dustproof control method |
| CN114428535B (en) * | 2022-01-25 | 2023-09-05 | 深圳市优尼影科技有限公司 | Intelligent notebook computer beneficial to cleaning cooling fan |
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| CN100478837C (en) * | 2005-11-18 | 2009-04-15 | 纬创资通股份有限公司 | Method for dedusting by radiator fan and dust cleaning apparatus for computer device |
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| CN101378645A (en) * | 2007-08-31 | 2009-03-04 | 英业达股份有限公司 | Radiator with dedusting mechanism |
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