CN103744495A - Aperture ratio adjustment device for air inlet of computer - Google Patents
Aperture ratio adjustment device for air inlet of computer Download PDFInfo
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- CN103744495A CN103744495A CN201410005716.0A CN201410005716A CN103744495A CN 103744495 A CN103744495 A CN 103744495A CN 201410005716 A CN201410005716 A CN 201410005716A CN 103744495 A CN103744495 A CN 103744495A
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Abstract
The invention discloses an aperture ratio adjustment device for the air inlet of a computer. The aperture ratio adjustment device comprises a loop composed of a direct-current electromagnet and a switching device, metal shielding sheets arranged in the range of the direct-current electromagnet, a computer embedded controller configured to read the temperature value of equipment, provide a first control signal enabling the switching device to be switched on to electrify the direct-current electromagnet when the read temperature value of equipment is greater than or equal to a preset value, for the switching device, and provide a second control signal enabling the switching device to be switched off to cut off the direct-current electromagnet when the read temperature value of equipment is less than the preset value, for the switching device, and an elastic component coupled to one end of each of the metal shielding sheets, and used for generating an effect opposite to the effect of the direct-current electromagnet on the metal shielding sheets.
Description
Technical field
The present invention relates to computing machine, relate in particular to notebook computer.
Background technology
On the device housings of notebook computer, driving air port design into is at present mainly for the larger thermal source of thermal value, as CPU, GPU, storer, fan, hard disk etc., can only accomplish fixing percentage of open area, rotation speed of the fan is fixedly time, and the intake of each air inlet is also almost constant, cannot, according to actual needs, automatically regulate percentage of open area and the intake of each air inlet.When system operation heavy duty, the rotating speed that has increase fan only solves heat radiation, so not only increases noise but also increases fan power consumption.
Summary of the invention
The object of this invention is to provide a kind of computing machine air inlet percentage of open area regulating device.For realizing computing machine, in the intelligence of operational process air inlet percentage of open area, regulate.
For achieving the above object, one aspect of the present invention provides a kind of computing machine air inlet percentage of open area regulating device, and it comprises having DC electromagnet, the loop that switching device forms, metal shielding plate, it is arranged in the scope of this DC electromagnet, and computing machine embedded controller, be configured to fetch equipment Temperature numerical and when fetch equipment Temperature numerical is more than or equal to predetermined value, to switching device, provide and make that switching device is opened and make DC electromagnet first control signal of switching on, when fetch equipment Temperature numerical is less than above-mentioned predetermined value, to switching device, provide and switching device is closed and make the second control signal of DC electromagnet power-off, also comprise the elastomeric element that is coupled to metal shielding plate one end, it produces and the effect opposite effect of DC electromagnet to metal shielding plate metal shielding plate.
For achieving the above object, another aspect of the present invention provides a kind of computing machine air inlet percentage of open area regulating device, and this device comprises
Computing machine embedded controller, for in computer run process, when fetch equipment Temperature numerical is more than or equal to predetermined value, to switching device, provide the first control signal, when fetch equipment Temperature numerical is less than above-mentioned predetermined value, to switching device, provide the second control signal;
Switching device, for receive the first control signal and as to the response of the first control signal in the first state, and for receive the second control signal and as to the response of the second control signal in the second state;
Power supply, for providing electric energy to DC electromagnet;
DC electromagnet, for when switching device is during in the first state, power supply does not provide electric energy to it, DC electromagnet does not produce magnetic force to metal shielding plate, can not attract metal shielding plate to do the motion near DC electromagnet, and for when switching device is during in the second state, power supply provide electric energy to it, DC electromagnet produces magnetic force to metal shielding plate, attracts metal shielding plate to do the motion near DC electromagnet;
Metal shielding plate, for when switching device is during in the first state, DC electromagnet does not produce magnetic force to it, metal shielding plate is failure to actuate, do not produce the displacement with respect to air inlet, and for when switching device is during in the second state, DC electromagnet produces magnetic force to it, under the drag effect that metal shielding plate produces at magnetic force and elastomeric element, produce the displacement with respect to air inlet;
Elastomeric element, for when switching device is during in the first state, DC electromagnet does not produce magnetic force to metal shielding plate, elastomeric element does not produce resistance to metal shielding plate yet, and for when switching device is during in the second state, DC electromagnet produces magnetic force to metal shielding plate, elastomeric element produces resistance to metal shielding plate and stops metal shielding plate to move near DC electromagnet, and when resistance and magnetic force equal and opposite in direction, metal shielding plate stops action, produces the displacement with respect to air inlet.
The operating principle of the program of the present invention is: in computer run process, when computing machine embedded controller fetch equipment Temperature numerical is more than or equal to predetermined value, to switching device, provide the first control signal, gauge tap device is in the first state, power supply is not powered to DC electromagnet, DC electromagnet does not produce magnetic force to metal shielding plate, elastomeric element does not produce resistance to metal shielding plate yet, metal shielding plate is failure to actuate, air inlet is not produced to displacement, air inlet percentage of open area maintains the original state constant, when computing machine embedded controller fetch equipment Temperature numerical is less than predetermined value, to switching device, provide the second control signal, gauge tap device is in the second state, power supply is powered to DC electromagnet, DC electromagnet produces magnetic force to metal shielding plate, attract metal shielding plate to do the motion near DC electromagnet, elastomeric element produces resistance to metal shielding plate and stops metal shielding plate to move near DC electromagnet, and when resistance and magnetic force equal and opposite in direction, metal shielding plate stops action, generation is with respect to the displacement of air inlet, air inlet percentage of open area changes, air inlet provides the intake with respect to percentage of open area.
Compared with prior art, the present invention has realized the difference according to temperature, and the intelligence of air inlet percentage of open area is regulated.
Preferably, when fetch equipment Temperature numerical is less than the predetermined value of setting, according to the temperature range under the Temperature numerical reading, to switching device, provide the second control signal with respect to this temperature range, so that intelligence regulates the percentage of open area of air inlet.
Preferably, computing machine embedded controller comprises following treating apparatus:
Read the device of the Temperature numerical of Devices to test;
The Temperature numerical that reception reads is to judge the device of temperature range under this Temperature numerical;
According to the temperature range under the Temperature numerical of judging, transmission is with respect to the device of the second different control signal of this temperature range, pass through said apparatus, can make computing machine embedded controller according to the difference of the Temperature numerical of fetch equipment, switching device is sent to the second control signal with respect to temperature range under said temperature numerical value, and then control the size of DC electromagnet magnetic force.
Preferably, switching device is power switch pipe.
Preferably, elastomeric element is spring.
In addition, for achieving the above object, another aspect of the present invention provides a kind of computing machine air inlet percentage of open area regulating device, and this device comprises
Computing machine embedded controller, for in computer run process, when fetch equipment Temperature numerical is more than or equal to predetermined value, to switching device, provide the first control signal, when fetch equipment Temperature numerical is less than above-mentioned predetermined value, to switching device, provide the second control signal;
Switching device, for receive the first control signal and as to the response of the first control signal in the first state, and for receive the second control signal and as to the response of the second control signal in the second state;
Power supply, for providing electric energy to DC electromagnet;
DC electromagnet, for when switching device is during in the first state, power supply provides electric energy to it, DC electromagnet produces magnetic force to metal shielding plate, attract metal shielding plate to do the motion near DC electromagnet, and for when switching device is during in the second state, power supply does not provide electric energy to it, DC electromagnet does not produce magnetic force to metal shielding plate, can not attract metal shielding plate to do the motion near DC electromagnet;
Metal shielding plate, for when switching device is during in the first state, DC electromagnet produces magnetic force to it, metal shielding plate produces the displacement with respect to air inlet under the drag effect of magnetic force and elastomeric element generation, and for when switching device is during in the second state, DC electromagnet does not produce magnetic force to it, and metal shielding plate is failure to actuate, and does not produce the displacement with respect to air inlet;
Elastomeric element, for when switching device is during in the first state, DC electromagnet produces magnetic force to metal shielding plate, elastomeric element produces resistance to metal shielding plate and stops metal shielding plate to move near DC electromagnet, and when resistance and magnetic force equal and opposite in direction, metal shielding plate stops moving, generation is with respect to the displacement of air inlet, and for when switching device is during in the second state, DC electromagnet does not produce magnetic force to metal shielding plate, and elastomeric element does not produce resistance to metal shielding plate yet.
The operating principle of the program of the present invention is: in computer run process, when computing machine embedded controller fetch equipment Temperature numerical is more than or equal to predetermined value, to switching device, provide the first control signal, gauge tap device is in the first state, power supply is powered to DC electromagnet, DC electromagnet produces magnetic force to metal shielding plate, attract metal shielding plate to do the motion near DC electromagnet, elastomeric element produces resistance to metal shielding plate and stops metal shielding plate to move near DC electromagnet, and when resistance and magnetic force equal and opposite in direction, metal shielding plate stops action, generation is with respect to the displacement of air inlet, air inlet percentage of open area changes, air inlet provides the intake with respect to percentage of open area, when computing machine embedded controller fetch equipment Temperature numerical is less than predetermined value, to switching device, provide the second control signal, gauge tap device is in the second state, power supply is not powered to DC electromagnet, DC electromagnet does not produce magnetic force to metal shielding plate, and elastomeric element does not produce resistance to metal shielding plate yet, and metal shielding plate is failure to actuate, air inlet is not produced to displacement, air inlet percentage of open area maintains the original state constant.
Compared with prior art, the present invention has realized the difference according to temperature, and the intelligence of air inlet percentage of open area is regulated.
Preferably, when fetch equipment Temperature numerical is more than or equal to predetermined value, according to the temperature range under the Temperature numerical reading, to switching device, provide the first control signal with respect to this temperature range, so that intelligence regulates the percentage of open area of air inlet.
Preferably, computing machine embedded controller comprises following treating apparatus:
Read the device of the Temperature numerical of Devices to test;
The Temperature numerical that reception reads is to judge the device of temperature range under this Temperature numerical;
According to the temperature range under the Temperature numerical of judging, transmission is with respect to the device of the first different control signal of this temperature range, pass through said apparatus, can make computing machine embedded controller according to the difference of the Temperature numerical of fetch equipment, switching device is sent to the first control signal with respect to temperature range under said temperature numerical value, and then control the size of DC electromagnet magnetic force.
Preferably, switching device is power switch pipe.
Preferably, elastomeric element is spring.
Aforementioned schemes provided by the invention can be arranged on the air inlet of computing machine, can regulate the percentage of open area of different air inlets timely according to user's use scenes, does intelligent flow reallocation, thereby reaches the design of optimizing thermal solution, promotes user's user satisfaction.It can regulate the percentage of open area of different air inlets on the one hand automatically, makes flow reach rational distribution, optimizes heat radiation, promotes user satisfaction, on the other hand dustproof and noise reduction is also played a role.
Accompanying drawing explanation
Fig. 1 is the schematic diagram according to computing machine air inlet percentage of open area regulating device the first embodiment of the present invention;
Fig. 2 is the schematic diagram according to computing machine air inlet percentage of open area regulating device the second embodiment of the present invention.
Fig. 3 is the structural drawing of the guide piece of metal shielding plate.
Embodiment
With reference to the accompanying drawings the specific embodiment of the present invention is described further:
As shown in Figure 1, the computing machine air inlet percentage of open area regulating device according to the first embodiment of the present invention comprises computing machine embedded controller 10, power switch pipe 20, DC electromagnet 30, metal shielding plate 40, resistance 50, diode 60, power supply 70, air inlet 80, spring 90.
Resistance 50 is connected in series afterwards with diode 60 and DC electromagnet 30 is connected in parallel, power supply 70 is to this parallel circuit power supply, this parallel circuit is by power switch pipe 20 ground connection, computing machine embedded controller 10 sends corresponding control signal according to the cpu temperature numerical value reading to power switch pipe 20, the conducting of power ratio control switching tube 20 and shutoff, DC electromagnet 30 moves under the effect of spring 90 by Magnetic Control metal shielding plate 40, the effect of air inlet 80 is covered in realization, and then realizes the adjusting to percentage of open area.
Computing machine embedded controller 10 is for reading the Temperature numerical of CPU, and when cpu temperature numerical value is more than or equal to predetermined value, computing machine embedded controller 10 sends the first control signal to power switch pipe 20; When cpu temperature numerical value is less than above-mentioned predetermined value, computing machine embedded controller 10 sends the second control signal to power switch pipe 20.
Power switch pipe 20 in cut-off state, makes DC electromagnet 30 no powers after receiving the first control signal; Power switch pipe 20 in conducting state, makes DC electromagnet 30 energisings after receiving the second control signal.
DC electromagnet 30 is controlled metal shielding plate 40 by magneticaction and is moved under the effect of spring 90, when power switch pipe 20 is during in cut-off state, power supply 70 is not to DC electromagnet 30 power supplies, and now 30 pairs of metal shielding plates 40 of DC electromagnet do not produce any control action; When power switch pipe 20 is during in conducting state, 30 power supplies of 70 pairs of DC electromagnets of power supply, now DC electromagnet 30 is controlled 40 actions of metal shielding plates, by magnetic force, metal shielding plate 40 is inhaled near to DC electromagnet 30.
Resistance 50 and diode 60, for when power switch pipe 20 is after conducting state becomes cut-off state, absorb the induced voltage that DC electromagnet 30 produces.
Power supply 70 is for powering to DC electromagnet 30.
Air inlet 80 is for providing intake.
Spring 90 is for generation of resistance, stops metal shielding plate 40 to move to DC electromagnet 30, and during magnetic force equal and opposite in direction that the resistance producing when spring 90 and DC electromagnet 30 produce, metal shielding plate 40 has moved corresponding displacement.
In physical arrangement, metal shielding plate 40 can be by being fixed on one group of guiding rib, 41,42 guiding on device housings 100.Thereby realize the smooth-going motion of metal shielding plate 40, as shown in Figure 3.
Computing machine in the course of the work, computing machine embedded controller 10 reads the Temperature numerical of CPU, the temperature of CPU is divided into five scopes,, 40 ° of A:T <, B:40 °≤T≤50 °, C:50 ° of <T≤60 °, D:60 ° of <T<70 °, E:T >=70 °.When the temperature of CPU is during in E, computing machine embedded controller 10 sends the first control signal to power switch pipe 20, power switch pipe 20 after receiving the first control signal in cut-off state, now power supply 70 is not to DC electromagnet 30 power supplies, 30 pairs of metal shielding plates 40 of DC electromagnet do not produce any control action, metal shielding plate 40 does not produce displacement and covers air inlet 80, makes percentage of open area reach 100%, when the temperature of CPU is during in D, computing machine embedded controller 10 sends the second control signal with respect to this temperature range to power switch pipe 20, power switch pipe 20 is also exported the drain current with respect to this second control signal in conducting state after receiving above-mentioned the second control signal, now 70 pairs of DC electromagnets of power supply, 30 power supplies, according to DC electromagnet 30 monomer self electromagnetism characteristics and above-mentioned drain current, control DC electromagnet 30 and produce magnetic force, metal shielding plate 40 produces linear displacement under this magnetic attraction, spring 90 is stretched immediately, produce resistance, stop the displacement of metal shielding plate 40, when above-mentioned magnetic force is equal with resistance, metal shielding plate 40 stops mobile, producing displacement covers air inlet 80, make percentage of open area reach 80%, when the temperature of CPU is during in C, computing machine embedded controller 10 sends the second control signal with respect to this temperature range to power switch pipe 20, power switch pipe 20 is also exported the drain current with respect to this second control signal in conducting state after receiving above-mentioned the second control signal, now 70 pairs of DC electromagnets of power supply, 30 power supplies, according to DC electromagnet 30 monomer self electromagnetism characteristics and above-mentioned drain current, control DC electromagnet 30 and produce magnetic force, metal shielding plate 40 produces linear displacement under this magnetic attraction, spring 90 is stretched immediately, produce resistance, stop the displacement of metal shielding plate 40, when above-mentioned magnetic force is equal with resistance, metal shielding plate 40 stops mobile, producing displacement covers air inlet 80, make percentage of open area reach 60%, when the temperature of CPU is during in B, computing machine embedded controller 10 sends the second control signal with respect to this temperature range to power switch pipe 20, power switch pipe 20 is also exported the drain current with respect to this second control signal in conducting state after receiving above-mentioned the second control signal, now 70 pairs of DC electromagnets of power supply, 30 power supplies, according to DC electromagnet 30 monomer self electromagnetism characteristics and above-mentioned drain current, control DC electromagnet 30 and produce magnetic force, metal shielding plate 40 produces linear displacement under this magnetic attraction, spring 90 is stretched immediately, produce resistance, stop the displacement of metal shielding plate 40, when above-mentioned magnetic force is equal with resistance, metal shielding plate 40 stops mobile, producing displacement covers air inlet 80, make percentage of open area reach 30%, when the temperature of CPU is during in A, computing machine embedded controller 10 sends the second control signal with respect to this temperature range to power switch pipe 20, power switch pipe 20 is also exported the drain current with respect to this second control signal in conducting state after receiving above-mentioned the second control signal, now 70 pairs of DC electromagnets of power supply, 30 power supplies, according to DC electromagnet 30 monomer self electromagnetism characteristics and above-mentioned drain current, control DC electromagnet 30 and produce magnetic force, metal shielding plate 40 produces linear displacement under this magnetic attraction, spring 90 is stretched immediately, produce resistance, stop the displacement of metal shielding plate 40, when above-mentioned magnetic force is equal with resistance, metal shielding plate 40 stops mobile, producing displacement covers completely to air inlet 80, make percentage of open area reach 0%.
The present embodiment utilizes temperature switch circuit, controls magnetic force and the magnetic force size of DC electromagnet 30, realizes the control to the drawing stroke of metal shielding plate 40, and the intelligence that finally realizes 40 pairs of air inlet 80 percentage of open area of metal shielding plate regulates, flow reallocation.
As shown in Figure 2, the computing machine air inlet percentage of open area regulating device according to the second embodiment of the present invention comprises computing machine embedded controller 10, power switch pipe 20, DC electromagnet 30, metal shielding plate 40, resistance 50, diode 60, power supply 70, air inlet 80, spring 90.
Resistance 50 is connected in series afterwards with diode 60 and DC electromagnet 30 is connected in parallel, power supply 70 is to this parallel circuit power supply, this parallel circuit is by power switch pipe 20 ground connection, computing machine embedded controller 10 sends corresponding control signal according to the cpu temperature numerical value reading to power switch pipe 20, the conducting of power ratio control switching tube 20 and shutoff, DC electromagnet 30 moves under the effect of spring 90 by Magnetic Control metal shielding plate 40, realization is discharged into the effect in air port 80, and then realizes the adjusting to percentage of open area.
Computing machine embedded controller 10 is for reading the Temperature numerical of CPU, and when cpu temperature numerical value is more than or equal to predetermined value, computing machine embedded controller 10 sends the first control signal to power switch pipe 20; When cpu temperature numerical value is less than above-mentioned predetermined value, computing machine embedded controller 10 sends the second control signal to power switch pipe 20.
Power switch pipe 20 in conducting state, makes DC electromagnet 30 energisings after receiving the first control signal; Power switch pipe 20 in cut-off state, makes DC electromagnet 30 no powers after receiving the second control signal.
DC electromagnet 30 is controlled metal shielding plate 40 by magneticaction and is moved under the effect of spring 90, when power switch pipe 20 is during in cut-off state, power supply 70 is not to DC electromagnet 30 power supplies, and now 30 pairs of metal shielding plates 40 of DC electromagnet do not produce any control action; When power switch pipe 20 is during in conducting state, 30 power supplies of 70 pairs of DC electromagnets of power supply, now DC electromagnet 30 is controlled 40 actions of metal shielding plates, by magnetic force, metal shielding plate 40 is inhaled near to DC electromagnet 30.
Resistance 50 and diode 60, for when power switch pipe 20 is after conducting state becomes cut-off state, absorb the induced voltage that DC electromagnet 30 produces.
Power supply 70 is for powering to DC electromagnet 30.
Air inlet 80 is for providing intake.
Spring 90 is for generation of resistance, stops metal shielding plate 40 to move to DC electromagnet 30, and during magnetic force equal and opposite in direction that the resistance producing when spring 90 and DC electromagnet 30 produce, metal shielding plate 40 has moved corresponding displacement.
In physical arrangement, metal shielding plate 40 can be by being fixed on one group of guiding rib, 41,42 guiding on device housings 100.Thereby realize the smooth-going motion of metal shielding plate 40, as shown in Figure 3.
Computing machine in the course of the work, computing machine embedded controller 10 reads the Temperature numerical of CPU, the temperature of CPU is divided into five scopes,, 40 ° of A:T <, B:40 °≤T≤50 °, C:50 ° of <T≤60 °, D:60 ° of <T<70 °, E:T >=70 °.When the temperature of CPU is during in A, computing machine embedded controller 10 sends the second control signal to power switch pipe 20, power switch pipe 20 after receiving above-mentioned the second control signal in cut-off state, now power supply 70 is not to DC electromagnet 30 power supplies, 30 pairs of metal shielding plates 40 of DC electromagnet do not produce any control action, metal shielding plate 40 does not produce displacement and is discharged into air port 80, makes percentage of open area reach 0%, when the temperature of CPU is during in B, computing machine embedded controller 10 sends the first control signal with respect to this temperature range to power switch pipe 20, power switch pipe 20 is also exported the drain current with respect to this first control signal in conducting state after receiving above-mentioned the first control signal, now 70 pairs of DC electromagnets of power supply, 30 power supplies, according to DC electromagnet 30 monomer self electromagnetism characteristics and above-mentioned drain current, control DC electromagnet 30 and produce magnetic force, metal shielding plate 40 produces linear displacement under this magnetic attraction, spring 90 is stretched immediately, produce resistance, stop the displacement of metal shielding plate 40, when above-mentioned magnetic force is equal with resistance, metal shielding plate 40 stops mobile, producing displacement discharges air inlet 80, make percentage of open area reach 30%, when the temperature of CPU is during in C, computing machine embedded controller 10 sends the first control signal with respect to this temperature range to power switch pipe 20, power switch pipe 20 is also exported the drain current with respect to this first control signal in conducting state after receiving above-mentioned the first control signal, now 70 pairs of DC electromagnets of power supply, 30 power supplies, according to DC electromagnet 30 monomer self electromagnetism characteristics and above-mentioned drain current, control DC electromagnet 30 and produce magnetic force, metal shielding plate 40 produces linear displacement under this magnetic attraction, spring 90 is stretched immediately, produce resistance, stop the displacement of metal shielding plate 40, when above-mentioned magnetic force is equal with resistance, metal shielding plate 40 stops mobile, producing displacement discharges air inlet 80, make percentage of open area reach 60%, when the temperature of CPU is during in D, computing machine embedded controller 10 sends the first control signal with respect to this temperature range to power switch pipe 20, power switch pipe 20 is also exported the drain current with respect to this first control signal in conducting state after receiving above-mentioned the first control signal, now 70 pairs of DC electromagnets of power supply, 30 power supplies, according to DC electromagnet 30 monomer self electromagnetism characteristics and above-mentioned drain current, control DC electromagnet 30 and produce magnetic force, metal shielding plate 40 produces linear displacement under this magnetic attraction, spring 90 is stretched immediately, produce resistance, stop the displacement of metal shielding plate 40, when above-mentioned magnetic force is equal with resistance, metal shielding plate 40 stops mobile, producing displacement discharges air inlet 80, make percentage of open area reach 80%, when the temperature of CPU is during in E, computing machine embedded controller 10 sends the first control signal with respect to this temperature range to power switch pipe 20, power switch pipe 20 is also exported the drain current with respect to this first control signal in conducting state after receiving above-mentioned the first control signal, now 70 pairs of DC electromagnets of power supply, 30 power supplies, according to DC electromagnet 30 monomer self electromagnetism characteristics and above-mentioned drain current, control DC electromagnet 30 and produce magnetic force, metal shielding plate 40 produces linear displacement under this magnetic attraction, spring 90 is stretched immediately, produce resistance, stop the displacement of metal shielding plate 40, when above-mentioned magnetic force is equal with resistance, metal shielding plate 40 stops mobile, producing displacement discharges completely to air inlet 80, make percentage of open area reach 100%.
The present embodiment utilizes temperature switch circuit, controls magnetic force and the magnetic force size of DC electromagnet 30, realizes the control to the drawing stroke of metal shielding plate 40, and the intelligence that finally realizes 40 pairs of air inlet 80 percentage of open area of metal shielding plate regulates, flow reallocation.
Claims (9)
1. a computing machine air inlet percentage of open area regulating device, is characterized in that: comprise
There is DC electromagnet, the loop that switching device forms;
Metal shielding plate, it is arranged in the scope of this DC electromagnet; And
Computing machine embedded controller, be configured to fetch equipment Temperature numerical and when fetch equipment Temperature numerical is more than or equal to predetermined value, to switching device, provide and make that switching device is opened and make DC electromagnet first control signal of switching on, when fetch equipment Temperature numerical is less than above-mentioned predetermined value, to switching device, provides and switching device is closed and make the second control signal of DC electromagnet power-off;
Also comprise the elastomeric element that is coupled to metal shielding plate one end, it produces and the effect opposite effect of DC electromagnet to metal shielding plate metal shielding plate.
2. computing machine air inlet percentage of open area regulating device, is characterized in that:
Computing machine embedded controller, for in computer run process, when fetch equipment Temperature numerical is more than or equal to predetermined value, to switching device, provide the first control signal, when fetch equipment Temperature numerical is less than above-mentioned predetermined value, to switching device, provide the second control signal;
Switching device, for receive the first control signal and as to the response of the first control signal in the first state, and for receive the second control signal and as to the response of the second control signal in the second state;
Power supply, for providing electric energy to DC electromagnet;
DC electromagnet, for when switching device is during in the first state, power supply does not provide electric energy to it, DC electromagnet does not produce magnetic force to metal shielding plate, can not attract metal shielding plate to do the motion near DC electromagnet, and for when switching device is during in the second state, power supply provide electric energy to it, DC electromagnet produces magnetic force to metal shielding plate, attracts metal shielding plate to do the motion near DC electromagnet;
Metal shielding plate, for when switching device is during in the first state, DC electromagnet does not produce magnetic force to it, metal shielding plate is failure to actuate, do not produce the displacement with respect to air inlet, and for when switching device is during in the second state, DC electromagnet produces magnetic force to it, under the drag effect that metal shielding plate produces at magnetic force and elastomeric element, produce the displacement with respect to air inlet;
Elastomeric element, for when switching device is during in the first state, DC electromagnet does not produce magnetic force to metal shielding plate, elastomeric element does not produce resistance to metal shielding plate yet, and for when switching device is during in the second state, DC electromagnet produces magnetic force to metal shielding plate, elastomeric element produces resistance to metal shielding plate and stops metal shielding plate to move near DC electromagnet, and when resistance and magnetic force equal and opposite in direction, metal shielding plate stops action, produces the displacement with respect to air inlet.
3. device according to claim 1 and 2, is characterized in that: when fetch equipment Temperature numerical is less than the predetermined value of setting, according to the temperature range under the Temperature numerical reading, to switching device, provide the second control signal with respect to this temperature range.
4. device according to claim 1 and 2, is characterized in that: computing machine embedded controller comprises following treating apparatus:
Read the device of the Temperature numerical of Devices to test;
The Temperature numerical that reception reads is to judge the device of temperature range under this Temperature numerical;
According to the temperature range under the Temperature numerical of judging, send the device with respect to the second different control signal of this temperature range.
5. computing machine air inlet percentage of open area regulating device, is characterized in that:
Computing machine embedded controller, for in computer run process, when fetch equipment Temperature numerical is more than or equal to predetermined value, to switching device, provide the first control signal, when fetch equipment Temperature numerical is less than above-mentioned predetermined value, to switching device, provide the second control signal;
Switching device, for receive the first control signal and as to the response of the first control signal in the first state, and for receive the second control signal and as to the response of the second control signal in the second state;
Power supply, for providing electric energy to DC electromagnet;
DC electromagnet, for when switching device is during in the first state, power supply provides electric energy to it, DC electromagnet produces magnetic force to metal shielding plate, attract metal shielding plate to do the motion near DC electromagnet, and for when switching device is during in the second state, power supply does not provide electric energy to it, DC electromagnet does not produce magnetic force to metal shielding plate, can not attract metal shielding plate to do the motion near DC electromagnet;
Metal shielding plate, for when switching device is during in the first state, DC electromagnet produces magnetic force to it, metal shielding plate produces the displacement with respect to air inlet under the drag effect of magnetic force and elastomeric element generation, and for when switching device is during in the second state, DC electromagnet does not produce magnetic force to it, and metal shielding plate is failure to actuate, and does not produce the displacement with respect to air inlet;
Elastomeric element, for when switching device is during in the first state, DC electromagnet produces magnetic force to metal shielding plate, elastomeric element produces resistance to metal shielding plate and stops metal shielding plate to move near DC electromagnet, and when resistance and magnetic force equal and opposite in direction, metal shielding plate stops moving, generation is with respect to the displacement of air inlet, and for when switching device is during in the second state, DC electromagnet does not produce magnetic force to metal shielding plate, and elastomeric element does not produce resistance to metal shielding plate yet.
6. device according to claim 5, is characterized in that: when fetch equipment Temperature numerical is more than or equal to predetermined value, according to the temperature range under the Temperature numerical reading, to switching device, provide the first control signal with respect to this temperature range.
7. device according to claim 6, is characterized in that: computing machine embedded controller comprises following treating apparatus:
Read the device of the Temperature numerical of Devices to test;
The Temperature numerical that reception reads is to judge the device of temperature range under this Temperature numerical;
According to the temperature range under the Temperature numerical of judging, send the device with respect to the first different control signal of this temperature range.
8. according to the device described in any one in claim 1 to 7, it is characterized in that: switching device is power switch pipe.
9. according to the device described in any one in claim 1 to 8, it is characterized in that: elastomeric element is spring.
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| CN201410005716.0A CN103744495A (en) | 2014-01-06 | 2014-01-06 | Aperture ratio adjustment device for air inlet of computer |
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| CN201410005716.0A CN103744495A (en) | 2014-01-06 | 2014-01-06 | Aperture ratio adjustment device for air inlet of computer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292841A (en) * | 2015-05-15 | 2017-01-04 | 宏碁股份有限公司 | Portable electronic devices |
| CN107357395A (en) * | 2017-09-01 | 2017-11-17 | 联想(北京)有限公司 | A kind of notebook computer |
| CN107748608A (en) * | 2017-10-31 | 2018-03-02 | 温州华大信息技术有限公司 | A kind of sensor radiator |
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| CN106292841A (en) * | 2015-05-15 | 2017-01-04 | 宏碁股份有限公司 | Portable electronic devices |
| CN106292841B (en) * | 2015-05-15 | 2019-03-08 | 宏碁股份有限公司 | Portable electronic devices |
| CN107357395A (en) * | 2017-09-01 | 2017-11-17 | 联想(北京)有限公司 | A kind of notebook computer |
| CN107748608A (en) * | 2017-10-31 | 2018-03-02 | 温州华大信息技术有限公司 | A kind of sensor radiator |
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Application publication date: 20140423 |