CN201845299U - Sensing device and computer - Google Patents
Sensing device and computer Download PDFInfo
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- CN201845299U CN201845299U CN2010205525925U CN201020552592U CN201845299U CN 201845299 U CN201845299 U CN 201845299U CN 2010205525925 U CN2010205525925 U CN 2010205525925U CN 201020552592 U CN201020552592 U CN 201020552592U CN 201845299 U CN201845299 U CN 201845299U
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Abstract
The utility model provides a sensing device and a computer. The sensing device is applied to the computer and comprises a sensor module, a judging module and a processing module, wherein the sensor module is used for sensing the infrared signals emitted by the targets in a presupposed sensing area; the judging module is used for judging whether the targets exist in the presupposed sensing area or not according to the sensed infrared signals and obtaining a judging result, and is connected with the sensor module; and the processing module is used for outputting a sleep command used for controlling a computer system to enter an abnormal working mode when the judging result shows that no targets exist in the presupposed sensing area, and the computer system is in a normal working mode, and is used for outputting a wake-up command used for controlling the computer system to enter a normal working mode when the judging result shows that the targets exist in the presupposed sensing area, and the computer system is in an abnormal working mode, and is connected with the judging module. The sensing device can sense whether the targets are positioned in front of the computer or not precisely.
Description
Technical field
The utility model relates to field of computer technology, relates in particular to a kind of sensing apparatus and computing machine.
Background technology
If computer system does not receive any operation in official hour; can enter non-normal working pattern (screen protection pattern or sleep pattern) according to system configuration, thereby; when the user needs seat away from keyboard, the energy consumption that can protect privacy of user and save computing machine.Yet if the user has left the seat, but computer system does not reach official hour, can not enter the non-normal working pattern, is difficult to ensure privacy of user this moment.In addition, when the user returns, must be by manual computer system wakeups of parts such as mouse, keyboards.That is to say computing machine can't automatically according to whether the someone exists before the display, control system enters non-normal working pattern or normal mode of operation.
In the prior art, can install whether the someone existed before the active infra-red sensor came the detection computations machine on the computing machine, the active infra-red sensor comprises transmitting terminal and receiving end two parts, transmitting terminal and receiving end are arranged at user's both sides respectively, can be by detecting the infrared ray whether receiving end receives the transmitting terminal emission, judge whether the someone exists before the computing machine, thereby control system enters non-normal working pattern or normal mode of operation.The structure of active infra-red sensor is comparatively complicated, and can't distinguish correctly that to be positioned at before the computing machine be people or other objects, and the probability of erroneous judgement is higher.
The utility model content
In view of this, the utility model provides a kind of sensing apparatus and computing machine, and before accurately whether the sensed object thing is positioned at computing machine, and the control computer system enters non-normal working pattern or normal mode of operation automatically.
For addressing the above problem, the utility model provides a kind of sensing apparatus, is applied to comprise in the computing machine:
Be used for the sensor assembly that sensing is positioned at the infrared signal of the object emission of presetting sensing region;
Be used for according to the infrared signal that senses, whether described default sensing region in have object exist, and obtain the judge module of a judged result if judging, be connected with described sensor assembly;
Be used in described judged result is indicated described default sensing region, not having object to exist, and computer system is current when being in normal mode of operation, output one is used to control the sleep instruction that described computer system enters the non-normal working pattern, in indicating described default sensing region, described judged result have object to exist, and described computer system is current when being in the non-normal working pattern, output one is used to control the processing module of waking instruction up that described computer system enters normal mode of operation, is connected with described judge module.
Preferably, described sensing apparatus also comprises:
Be used for when described computer system is in the non-normal working pattern, the supply module for described sensor assembly, described judge module and the power supply of described processing module is connected with described sensor assembly, described judge module and described processing module.
Preferably, described sensing apparatus comprises a sensor assembly;
Described judge module comprises:
Be used to obtain first acquisition module of the amplitude of the infrared signal that described sensor assembly current time senses, be connected with described sensor assembly;
Be used for the different amplitudes of corresponding infrared signal constantly of comparison, obtain first comparison module of a comparative result, be connected with described first acquisition module;
Be used for according to described comparative result, judge first execution module that whether has object to exist in the described default sensing region, be connected with described first acquisition module.
Preferably, described sensing apparatus comprises a plurality of described sensor assemblies;
Described judge module comprises:
Be used to obtain the amplitude of the infrared signal that described a plurality of sensor assembly current time senses, and the amplitude of the infrared signal that described a plurality of sensor assembly current times are sensed superposes, obtain second acquisition module of stack amplitude of the infrared signal of current time correspondence, be connected with described a plurality of sensor assemblies;
Be used for the different stack amplitudes of corresponding infrared signal constantly of comparison, obtain second comparison module of a comparative result, be connected with described second acquisition module;
Be used for according to described comparative result, judge second execution module that whether has object to exist in the described default sensing region, be connected with described second acquisition module.
Preferably, described sensing apparatus also comprises:
Described lens module, described lens module comprises: a plurality of light transparent member that can the transmission infrared signal, and a plurality of resistance light parts that can stop infrared signal that are arranged between the adjacent described light transparent member.
The utility model also provides a kind of computing machine, comprising:
Be used for the sensor assembly that sensing is positioned at the infrared signal of the object emission of presetting sensing region;
Be used for according to the infrared signal that senses, whether described default sensing region in have object exist, and obtain the judge module of a judged result if judging, be connected with described sensor assembly;
Be used in described judged result is indicated described default sensing region, not having object to exist, and computer system is current when being in normal mode of operation, output one is used to control the sleep instruction that described computer system enters the non-normal working pattern, in indicating described default sensing region, described judged result have object to exist, and described computer system is current when being in the non-normal working pattern, output one is used to control the processing module of waking instruction up that described computer system enters normal mode of operation, is connected with described judge module;
Be used to receive described sleep instruction or describedly wake instruction up, and when receiving described sleep instruction, control described computer system and enter the non-normal working pattern, receiving described when instruction of waking up, control the control module that described computer system enters normal mode of operation, be connected with described processing module.
Preferably, described computing machine also comprises:
Be used for when described computer system is in the non-normal working pattern, supply module for described sensor assembly, described judge module, described processing module and the power supply of described control module is connected with described sensor assembly, described judge module, described processing module and described control module.
Preferably, described computing machine comprises a sensor assembly;
Described judge module comprises:
Be used to obtain first acquisition module of the amplitude of the infrared signal that described sensor assembly current time senses, be connected with described sensor assembly;
Be used for the different amplitudes of corresponding infrared signal constantly of comparison, obtain first comparison module of a comparative result, be connected with described first acquisition module;
Be used for according to described comparative result, judge first execution module that whether has object to exist in the described default sensing region, be connected with described first acquisition module.
Preferably, described computing machine comprises a plurality of described sensor assemblies;
Described judge module comprises:
Be used to obtain the amplitude of the infrared signal that described a plurality of sensor assembly current time senses, and the amplitude of the infrared signal that described a plurality of sensor assembly current times are sensed superposes, obtain second acquisition module of stack amplitude of the infrared signal of current time correspondence, be connected with described a plurality of sensor assemblies;
Be used for the different stack amplitudes of corresponding infrared signal constantly of comparison, obtain second comparison module of a comparative result, be connected with described second acquisition module;
Be used for according to described comparative result, judge second execution module that whether has object to exist in the described default sensing region, be connected with described second acquisition module.
Preferably, described computing machine also comprises:
Lens module, described lens module comprises: a plurality of light transparent member that can the transmission infrared signal, and a plurality of resistance light parts that can stop infrared signal that are arranged between the adjacent described light transparent member.
The utlity model has following beneficial effect:
By the design of passsive sensor and lens, before accurately whether the sensed object thing is positioned at computing machine.
Be not positioned at prediction during sensing region sensing object, the control computer system enters the non-normal working pattern automatically, with the energy consumption of protection privacy of user and saving computing machine.
Sense object be back to the prediction sensing region in the time, normal mode of operation is returned by the non-normal working mode switch by the control computer system automatically, with handled easily.
Description of drawings
Fig. 1 is a structural representation of the computing machine of the utility model embodiment;
Fig. 2 is the synoptic diagram of the default sensing region of the utility model embodiment;
Fig. 3 is another structural representation of the computing machine of the utility model embodiment;
Fig. 4 is the another structural representation of the computing machine of the utility model embodiment;
Fig. 5 is a structural representation again of the computing machine of the utility model embodiment;
Fig. 6 is the another structural representation of the computing machine of the utility model embodiment;
Fig. 7 is a principle of work synoptic diagram of the sensing apparatus of the utility model embodiment;
Fig. 8 is another principle of work synoptic diagram of the sensing apparatus of the utility model embodiment;
Fig. 9 is the structural representation of the lens module of the utility model embodiment;
Figure 10 is the calculating principle schematic of detecting angle of the default sensing region of the utility model embodiment.
Embodiment
Before the explanation of carrying out embodiment of the present utility model, the at first simple introduction several notions relevant with the utility model embodiment.
The non-normal working pattern of the computer system of indication comprises screen protection pattern and sleep pattern among the utility model embodiment.
So-called screen protection pattern is a computer system when not receiving any operation in official hour, shows the operation of multimedia messagess such as the picture of storage in advance or animation on display.
The ACPI of computing machine (Advanced Configuration and Power Interface, ACPI) power management can be supported following several modes:
The S0 pattern: the computing machine operate as normal, all parts in the computing machine all are in the normal operation state;
The S1 pattern: CPU quits work, and at this moment, except by the cpu clock controller CPU being closed, miscellaneous part still is in the normal operation state;
The S2 pattern: CPU closes, and at this moment, CPU is in the state of decommissioning, and the cpu clock controller also is closed, but miscellaneous part still is in the normal operation state;
The S3 pattern: the miscellaneous part except internal memory all is in the state of decommissioning, and is also referred to as STR (Suspend to RAM suspends to internal memory);
The S4 pattern: memory information writes hard disk, and all parts all are in the state of decommissioning, and is also referred to as STD (Suspend to Disk suspends to hard disk), and at this moment, system's primary power cuts out, but hard disk is still charged and can be waken up;
The S5 pattern: computing machine is in closed condition, all the parts Close Alls (comprising power supply) in the computing machine.
In following examples, the S0 pattern is called normal mode of operation, S1 pattern, S2 pattern, S3 pattern, S4 pattern and S5 pattern are called sleep pattern, from foregoing description as can be seen, under S0 to the S5 pattern, the energy consumption of computing machine consumption reduces successively, and under the screen protection pattern, the energy consumption of computing machine is greater than the energy consumption of computing machine under the sleep pattern.
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.
Be illustrated in figure 1 as a structural representation of the computing machine of the utility model embodiment, described computing machine comprises:
Be used for the sensor assembly 101 that sensing is positioned at the infrared signal of the object emission of presetting sensing region;
Be used for according to the infrared signal that senses, whether described default sensing region in have object exist, and obtain the judge module 102 of a judged result if judging, be connected with described sensor assembly 101;
Be used in described judged result is indicated described default sensing region, not having object to exist, and computer system is current when being in normal mode of operation, output one is used to control the sleep instruction that described computer system enters the non-normal working pattern, in indicating described default sensing region, described judged result have object to exist, and described computer system is current when being in the non-normal working pattern, output one is used to control the processing module of waking instruction up 103 that described computer system enters normal mode of operation, is connected with described judge module 101; Described non-normal working pattern is screen protection pattern or sleep pattern, can be provided with according to user's demand.
Be used to receive described sleep instruction or describedly wake instruction up, and when receiving described sleep instruction, control described computer system and enter the non-normal working pattern, receiving described when instruction of waking up, control the control module 104 that described computer system enters normal mode of operation, be connected with described processing module 103.
When computer system is in the non-normal working pattern, most parts in the computing machine all are in off-position, for make described computer system can be under the non-normal working pattern object in still can the default sensing region of sensing, and the control computer system switches back normal mode of operation, and described computing machine also comprises:
Be used for when described computer system is in the non-normal working pattern, supply module 105 for described sensor assembly 101, described judge module 102, described processing module 103 and 104 power supplies of described control module is connected with described sensor assembly 101, described judge module 102, described processing module 103 and described control module 104.
When described computer system was in normal mode of operation, described sensor assembly 101, described judge module 102, described processing module 103 and described control module 104 equal normal power supplies were in the normal operation state.When described computer system is in the non-normal working pattern, described supply module 105 is described sensor assembly 101, described judge module 102, described processing module 103 and 104 power supplies of described control module, makes that described sensor assembly 101, described judge module 102, described processing module 103 and described control module 104 still can normal operations.Certainly, when described computer system is in normal mode of operation, can be described sensor assembly 101, described judge module 102, described processing module 103 and 104 power supplies of described control module also by described supply module 105.
The object of indication typically refers to the people in the foregoing description.
Described sensor assembly 101 can be used for the approaching sensor of sensing human body for pyroelectric infrared sensor, microwave remote sensor or other.
Described sensor assembly 101 can be arranged on the parts such as display of described computing machine, and when described computing machine was desk-top computer, described sensor assembly 101 also can be arranged on the described computer cabinet.Being arranged on the display of described computing machine with described sensor assembly 101 in following examples is that example describes.
Generally, when the user normally uses a computer, and the distance of display is between 40cm to 70cm, when the distance of user and display during greater than 70cm, shows that usually the user is away from computing machine, therefore, can adjust the sensitivity of described sensor assembly 101, making its induction region be set to described sensor assembly 101 is the center, and radius is 70cm, angle is that described sector region is the described default sensing region in the foregoing description in the sector region of 80 degree.Certainly, the scope of described default sensing region can also be set as required, for example, the radius of above-mentioned sector region is set to 100cm, and sensing angle is set to 60 degree etc., is illustrated in figure 2 as the synoptic diagram of the default sensing region of the utility model embodiment.
The infrared signal that described judge module 102 senses according to described sensor assembly 101, whether judge has object to exist in the described default sensing region, and can be according to the different different signals of judged result output, for example, when in judging described default sensing region, having object to exist, export a low level signal, when in judging described default sensing region, not having object to exist, export a high level signal.
Described processing module 103 is carried out operation accordingly according to the judged result and the described computer system present located pattern of described judge module 102 outputs.
In indicating described default sensing region, described judged result do not have object to exist; and computer system is current when being in normal mode of operation; illustrating needs the described computer system of control to enter the non-normal working pattern; energy consumption with protection privacy of user and saving computing machine; at this moment, described processing module 103 outputs one sleep instruction.
In indicating described default sensing region, described judged result have object to exist, and described computer system is current when being in normal mode of operation, illustrate that not needing to control described computer system enters the non-normal working pattern, described processing module 103 is not exported described sleep instruction.
In indicating described default sensing region, described judged result have object to exist, and described computer system is current when being in the non-normal working pattern, illustrating needs the described computer system of control to enter normal mode of operation, promptly wake described computing machine up, with user-friendly, at this moment, described processing module 103 outputs one wake instruction up.
Do not have object to exist in described judged result is indicated described default sensing region, and described computer system is current when being in the non-normal working pattern, illustrating does not need to wake up described computing machine, and described processing module 103 is not exported the described instruction that wakes up.
Described judge module 102 and processing module 103 can be by (the Embedded Controller of the EC in the described computing machine, embedded controller) realizes, EC is an independent processor that is independent of CPU, in some computing machine, even computing machine is in closed condition, EC also keeps running well always.Certainly, described judge module 102 and described processing module 103 also can be realized by other equipment.
Described control module 104 receives the described sleep instruction of described processing module 103 outputs or describedly wakes instruction up, and when receiving described sleep instruction, control described computer system and enter the non-normal working pattern, receiving described when instruction of waking up, control described computer system and return normal mode of operation from the non-normal working mode switch.
Described control module 104 can cooperate realization jointly by the specific software under the EC in the described computing machine, BIOS (Basic Input/OutputSystem, Basic Input or Output System (BIOS)) and the computer system.BIOS is one group and is cured to ROM (Read-Only Memory on the computer motherboard, read-only memory) program on the chip, the program of most important basic input and output, system's configuration information, startup power on self detection program and system start-up self-check program in the in store computing machine, for computing machine provide the bottom, the most direct hardware setting and control.Certainly, described control module 104 also can be realized by other equipment.
In the foregoing description, can be when the user leave the seat, when promptly leaving described default sensing region, automatically the control computer system enters the non-normal working pattern, in addition, can also be according to user's configuration, the type (screen protection pattern or sleep pattern) of the non-normal working pattern that selection enters.When the user returned, normal mode of operation was returned by the non-normal working mode switch by the control computer system automatically, and the user need not manually to pass through the manual computer system wakeups of parts such as mouse, keyboard, has improved user experience.
In some cases, after the user leaves the seat, may promptly return in a short period of time, therefore, need after the user leave the seat, not control described computer system immediately and enter the non-normal working pattern, but wait for the schedule time, if the user does not return in the schedule time, control described computer system again and enter the non-normal working pattern.
Based on foregoing description, as shown in Figure 3, the processing module 103 of the utility model embodiment can also comprise:
Whether first judge module 1031 is connected with described judge module 102, be used to judge continue to receive the judged result that does not have object to exist in the described default sensing region of indication in the first Preset Time scope, and obtain one second judged result;
Described first Preset Time is a rational time value, for example 60 seconds, if in 60 seconds, continue to receive the judged result that does not have object to exist in the described default sensing region of indication of described judge module 102 transmissions, judge that then the user really leaves, at this moment, then can the control computer system enter the non-normal working pattern.If in 60 seconds, receive the judged result that has object to exist in the described default sensing region of indication, judge that then the user really leaves, need not the control computer system and enter the non-normal working pattern.
In addition, in some cases, after computer system enters the non-normal working pattern, passerby may occur and pass by described default sensing region, but not the situation that the user normally returns, at this moment, then do not need to control described computer system immediately and enter normal mode of operation, but wait for the schedule time, if the user does not leave in the schedule time, control described computer system again and enter normal mode of operation.
Based on foregoing description, as shown in Figure 3, the processing module 103 of the utility model embodiment can also comprise:
Whether second judge module 1033 is connected with described judge module 102, be used to judge continue to receive the judged result that has object to exist in the described default sensing region of indication in the second Preset Time scope, and obtain one the 3rd judged result;
Described second Preset Time is a rational time value, for example 3 seconds, if in 3 seconds, continue to receive the judged result that has object to exist in the described default sensing region of indication, illustrate that then the user really returns, but not passerby passes by, at this moment, then can the control computer system enter normal mode of operation, with user-friendly.If can not continue to receive the judged result that has object to exist in the described default sensing region of indication in 3 seconds, then explanation is that passerby passes by, and non-actual user is returned, and then need not the control computer system and enters normal mode of operation.
In the foregoing description, the non-normal working pattern that can computer system need enter is set to any one in screen protection pattern, S1 pattern, S2 pattern, S3 pattern, S4 pattern or the S5 pattern, perhaps, also can at first control the non-normal working pattern that described computer system enters a less energy consumption, if the user does not return in the given time, control the non-normal working pattern that described computer system enters another littler energy consumption again.
Based on foregoing description, as shown in Figure 4, the processing module 103 of the utility model embodiment can also comprise:
The 3rd output module 1035, the described judged result that is used for receiving is indicated does not have object to exist in the described default sensing region, and computer system is current when being in normal mode of operation, the output first sleep instruction, the described first sleep instruction is used to indicate described computer system to enter the first non-normal working pattern;
The 3rd judge module 1036 is connected with described the 3rd output module 1035, is used to judge that whether the duration of the described first non-normal working pattern surpasses schedule time threshold value, and obtain one the 4th judged result;
The 4th output module 1037, be connected with described the 3rd judge module 1036, be used for indicating the duration of the described first non-normal working pattern and surpass described schedule time threshold value when described the 4th judged result, and described judged result is still indicated when not having object to exist in the described default sensing region, the output second sleep instruction, the described second sleep instruction is used to indicate described computer system to enter the second non-normal working pattern, described computing machine in the energy consumption under the described second non-normal working pattern less than the energy consumption under the described first non-normal working pattern.
For example, can after leave the seat, the user control described computer system and enter the screen protection pattern, if entered the screen protection pattern 120 seconds in described computer system after (being above-mentioned schedule time threshold value), the user does not return yet, can control described computer system and enter the S1 pattern.If entered the S1 pattern 240 seconds in described computer system after (being above-mentioned schedule time threshold value), the user does not return yet, can also control described computer system and enter the S3 pattern, by that analogy.
Structure to described sensor assembly 101 is elaborated below.
Described sensor assembly 101 can be used for the approaching sensor of sensed object thing for pyroelectric infrared sensor, microwave remote sensor or other, is that pyroelectric infrared sensor is that example describes with described sensor assembly 101 among the utility model embodiment.
Can comprise one or more sensor assemblies 101 in the described computing machine, as shown in Figure 5, when comprising a sensor assembly in the described computing machine, described judge module 102 comprises:
Be used to obtain first acquisition module 1021 of the amplitude of the infrared signal that described sensor assembly 101 current times sense, be connected with described sensor assembly 101;
Be used for the different amplitudes of corresponding infrared signal constantly of comparison, obtain first comparison module 1022 of a comparative result, be connected with described first acquisition module 1021;
Be used for according to described comparative result, judge first execution module 1023 that whether has object to exist in the described default sensing region, be connected with described first acquisition module 1022.
Yet, because the reference temperature during the perception human body is the environment temperature of described sensor assembly 101, when in described computing machine, only comprising a sensor assembly 101, sensor assembly 101 can be disturbed by environment temperature, therefore, can adopt opposite polarity a plurality of (as two or four etc.) sensor assembly 101 polyphones or in parallel in the described computing machine, eliminate the interference of ambient background radiation, obtain stable output.
As shown in Figure 6, when described computing machine comprised a plurality of described sensor assembly 101, described judge module 102 comprised:
Be used to obtain the amplitude of the infrared signal that described a plurality of sensor assembly 101 current times sense, and the amplitude of the infrared signal that described a plurality of sensor assembly 101 current times are sensed superposes, obtain second acquisition module 1024 of stack amplitude of the infrared signal of current time correspondence, be connected with described a plurality of sensor assemblies 101;
Be used for the different stack amplitudes of corresponding infrared signal constantly of comparison, obtain second comparison module 1025 of a comparative result, be connected with described second acquisition module 1024;
Be used for according to described comparative result, judge second execution module 1026 that whether has object to exist in the described default sensing region, be connected with described second acquisition module 1025.
For convenience of description, be to comprise that with described computing machine two sensor assemblies 101 are example among Fig. 6.
Be illustrated in figure 7 as the principle of work synoptic diagram of the sensor assembly 101 of the utility model embodiment, comprise two sensor assemblies 101 in the described computing machine, as can be seen from Figure 7, human body is when being positioned at different positions, and the stack amplitude of the infrared signal that two sensor assemblies 101 sense is also inequality.When supposing that human body is positioned at primary importance, the stack amplitude of the infrared signal that described two sensor assemblies 101 receive is first amplitude, when human body is positioned at the second place, the stack amplitude of the infrared signal that described two sensor assemblies 101 receive is second amplitude, more described first amplitude and described second amplitude, at comparative result is when producing bigger variation between first amplitude and second amplitude, then there is object to have (variation that object is moved and produces) in the default sensing region of explanation, at comparative result is when not producing bigger variation between first amplitude and second amplitude, then not have object to exist in the default sensing region of explanation.
In the foregoing description, comparatively trickle moving of object generation, and under the not high situation of the sensitivity of described sensor assembly 101, when object is positioned at the primary importance and the second place, too big variation may not can take place in the stack amplitude of the infrared signal that described two sensor assemblies 101 receive, and has object to be moved thereby be difficult to identify in the default sensing region.
Among the utility model embodiment, in order to improve the sensitivity of described sensor assembly 101, as Fig. 8 and shown in Figure 9, can be at arranged outside one lens module 106 of described sensor assembly 101, described lens module 106 comprises: a plurality of light transparent member 1061 that can the transmission infrared signal, and a plurality of resistance light parts 1062 that can stop infrared signal that are arranged between the adjacent described light transparent member 1061.
As can be seen from Figure 8, object is when being positioned at primary importance, the part infrared signal receiving area that is positioned at the sensor assembly 101 on the right is positioned at middle resistance light parts 1062 blocks, and the infrared signal receiving area that is positioned at the sensor assembly 101 on the left side is not blocked.When object moves to the second place, the resistance light parts 1062 that the part infrared signal receiving area of the sensor assembly 101 on the right of being positioned at is set at the right block, the infrared signal receiving area that is positioned at the sensor assembly 101 on the left side all is set at middle resistance light parts 1062 and blocks, the second place is compared with primary importance, the stack amplitude of the infrared signal that described two sensor assemblies 101 receive changes a lot, thereby take place lessly when mobile at object, also can accurately sense.
The sensitivity of the sensor assembly 101 in the foregoing description and following relating to parameters: the performance parameter of the thickness of described resistance light parts 1062, described sensor assembly 101 and the distance of described lens module 106, described sensor assembly 101 itself is the gain, above-mentioned default amplitude threshold etc. of signal for example.Can by regulate in the above-mentioned parameter any one or a plurality of, adjust the sensitivity of described sensor assembly 101.
Because the amplitude of the infrared signal of described sensor assembly 101 outputs is determined by the mobile range of object and the distance of object and described sensor assembly 101, usually require at the 50cm place of the described sensor assembly 101 of distance, can perception object centimetre-sized mobile.Learn by calculating and experimental result, described sensor assembly 101 is set to 4cm with the distance D of described lens module 106, when the thickness of described light transmitting shell is set to 0.4mm, at the 50cm place of the described sensor assembly 101 of distance, can perception object centimetre-sized mobile.
In addition, the detecting angle of described sensor assembly 101 and described sensor assembly 101 also are closely related with the distance of described lens module 106 and the thickness of described resistance light parts 1062, learn by calculating and experimental result, described sensor assembly 101 is set to 4cm with the distance D of described lens module 106, the width S 1 of described light transparent member 1061 is set to 1mm, the width S 2 of described resistance light parts 1062 is 1mm, when the thickness t of described resistance light parts 1062 was set to 1mm, the detecting angle that can guarantee described default sensing region was 80 degree.
By the design of the sensor and lens, before accurately whether the sensed object thing is positioned at computing machine.
Be the calculating principle schematic of detecting angle of the default sensing region of the utility model embodiment as shown in figure 10, as can be seen from Figure 10, the computing formula of the detecting angle of described default sensing region can for:
Tgθ/2＝(S3+XS1+YS2)/(D+t)
S3＝K/2+(L-K)/4
Wherein, θ is the detecting angle of described default sensing region, θ/2 are the ∠ AO1C among the Δ O1AC among the figure, S2 is the width of described resistance light parts 1062, S1 is the width of described light transparent member 1061, X is the number of the light transparent member that comprises among the Δ BO2C, Y is the number of the resistance light parts that comprise among the Δ BO2C, D is the distance of described sensor assembly 101 to described lens module 106, t is described resistance light parts 1062 thickness, S3 is the center of described sensor assembly 101 and the distance between whole sensor module 101 centers, and K is two connection distances between the sensor assembly 101, and L is the length of whole sensor module 101.
The utility model embodiment also provides a kind of sensing apparatus, is applied in the computing machine, and described sensing apparatus comprises:
Be used for the sensor assembly that sensing is positioned at the infrared signal of the object emission of presetting sensing region;
Be used for according to the infrared signal that senses, whether described default sensing region in have object exist, and obtain the judge module of a judged result if judging, be connected with described sensor assembly;
Be used in described judged result is indicated described default sensing region, not having object to exist, and computer system is current when being in normal mode of operation, output one is used to control the sleep instruction that described computer system enters the non-normal working pattern, in indicating described default sensing region, described judged result have object to exist, and described computer system is current when being in the non-normal working pattern, output one is used to control the processing module of waking instruction up that described computer system enters normal mode of operation, is connected with described judge module.
When computer system is in the non-normal working pattern, most parts in the computing machine all are in off-position, for make described computer system can be under the non-normal working pattern object in still can the default sensing region of sensing, and the control computer system switches back normal mode of operation, and described computing machine also comprises:
Be used for when described computer system is in the non-normal working pattern, the supply module for described sensor assembly, described judge module and the power supply of described processing module is connected with described sensor assembly, described judge module and described processing module.
Can comprise one or more sensor assemblies in the described computing machine, when comprising a sensor assembly in the described computing machine, described judge module comprises:
Be used to obtain first acquisition module of the amplitude of the infrared signal that described sensor assembly current time senses, be connected with described sensor assembly;
Be used for the different amplitudes of corresponding infrared signal constantly of comparison, obtain first comparison module of a comparative result, be connected with described first acquisition module;
Be used for according to described comparative result, judge first execution module that whether has object to exist in the described default sensing region, be connected with described first acquisition module.
Yet, because the reference temperature during the perception human body is the environment temperature of described sensor assembly, when in described computing machine, only comprising a sensor assembly, sensor assembly can be disturbed by environment temperature, therefore, can adopt opposite polarity a plurality of (as two or four etc.) sensor assembly polyphone or in parallel in the described computing machine, eliminate the interference of ambient background radiation, obtain stable output.
When described computing machine comprised a plurality of described sensor assembly, described judge module comprised:
Be used to obtain the amplitude of the infrared signal that described a plurality of sensor assembly current time senses, and the amplitude of the infrared signal that described a plurality of sensor assembly current times are sensed superposes, obtain second acquisition module of stack amplitude of the infrared signal of current time correspondence, be connected with described a plurality of sensor assemblies;
Be used for the different stack amplitudes of corresponding infrared signal constantly of comparison, obtain second comparison module of a comparative result, be connected with described second acquisition module;
Be used for according to described comparative result, judge second execution module that whether has object to exist in the described default sensing region, be connected with described second acquisition module.
Among the utility model embodiment, in order to improve the sensitivity of described sensor assembly, can be at arranged outside one lens module of described sensor assembly, described lens module comprises: a plurality of light transparent member that can the transmission infrared signal, and a plurality of resistance light parts that can stop infrared signal that are arranged between the adjacent described light transparent member.
In sum, the utility model embodiment has the following advantages:
By the design of passsive sensor and lens, before accurately whether the sensed object thing is positioned at computing machine.
Be not positioned at prediction during sensing region sensing object, the control computer system enters the non-normal working pattern automatically, with the energy consumption of protection privacy of user and saving computing machine.
Sense object be back to the prediction sensing region in the time, normal mode of operation is returned by the non-normal working mode switch by the control computer system automatically, with handled easily.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a sensing apparatus is applied to it is characterized in that in the computing machine, comprising:
Be used for the sensor assembly that sensing is positioned at the infrared signal of the object emission of presetting sensing region;
Be used for according to the infrared signal that senses, whether described default sensing region in have object exist, and obtain the judge module of a judged result if judging, be connected with described sensor assembly;
Be used in described judged result is indicated described default sensing region, not having object to exist, and computer system is current when being in normal mode of operation, output one is used to control the sleep instruction that described computer system enters the non-normal working pattern, in indicating described default sensing region, described judged result have object to exist, and described computer system is current when being in the non-normal working pattern, output one is used to control the processing module of waking instruction up that described computer system enters normal mode of operation, is connected with described judge module.
2. sensing apparatus as claimed in claim 1 is characterized in that, also comprises:
Be used for when described computer system is in the non-normal working pattern, the supply module for described sensor assembly, described judge module and the power supply of described processing module is connected with described sensor assembly, described judge module and described processing module.
3. sensing apparatus as claimed in claim 1 is characterized in that, comprises a sensor assembly; Described judge module comprises:
Be used to obtain first acquisition module of the amplitude of the infrared signal that described sensor assembly current time senses, be connected with described sensor assembly;
Be used for the different amplitudes of corresponding infrared signal constantly of comparison, obtain first comparison module of a comparative result, be connected with described first acquisition module;
Be used for according to described comparative result, judge first execution module that whether has object to exist in the described default sensing region, be connected with described first acquisition module.
4. sensing apparatus as claimed in claim 1 is characterized in that, comprises a plurality of described sensor assemblies; Described judge module comprises:
Be used to obtain the amplitude of the infrared signal that described a plurality of sensor assembly current time senses, and the amplitude of the infrared signal that described a plurality of sensor assembly current times are sensed superposes, obtain second acquisition module of stack amplitude of the infrared signal of current time correspondence, be connected with described a plurality of sensor assemblies;
Be used for the different stack amplitudes of corresponding infrared signal constantly of comparison, obtain second comparison module of a comparative result, be connected with described second acquisition module;
Be used for according to described comparative result, judge second execution module that whether has object to exist in the described default sensing region, be connected with described second acquisition module.
5. sensing apparatus as claimed in claim 1 is characterized in that, also comprises:
Lens module, described lens module comprises: a plurality of light transparent member that can the transmission infrared signal, and a plurality of resistance light parts that can stop infrared signal that are arranged between the adjacent described light transparent member.
6. a computing machine is characterized in that, comprising:
Be used for the sensor assembly that sensing is positioned at the infrared signal of the object emission of presetting sensing region;
Be used for according to the infrared signal that senses, whether described default sensing region in have object exist, and obtain the judge module of a judged result if judging, be connected with described sensor assembly;
Be used in described judged result is indicated described default sensing region, not having object to exist, and computer system is current when being in normal mode of operation, output one is used to control the sleep instruction that described computer system enters the non-normal working pattern, in indicating described default sensing region, described judged result have object to exist, and described computer system is current when being in the non-normal working pattern, output one is used to control the processing module of waking instruction up that described computer system enters normal mode of operation, is connected with described judge module;
Be used to receive described sleep instruction or describedly wake instruction up, and when receiving described sleep instruction, control described computer system and enter the non-normal working pattern, receiving described when instruction of waking up, control the control module that described computer system enters normal mode of operation, be connected with described processing module.
7. computing machine as claimed in claim 6 is characterized in that, also comprises:
Be used for when described computer system is in the non-normal working pattern, supply module for described sensor assembly, described judge module, described processing module and the power supply of described control module is connected with described sensor assembly, described judge module, described processing module and described control module.
8. computing machine as claimed in claim 6 is characterized in that, comprises a sensor assembly; Described judge module comprises:
Be used to obtain first acquisition module of the amplitude of the infrared signal that described sensor assembly current time senses, be connected with described sensor assembly;
Be used for the different amplitudes of corresponding infrared signal constantly of comparison, obtain first comparison module of a comparative result, be connected with described first acquisition module;
Be used for according to described comparative result, judge first execution module that whether has object to exist in the described default sensing region, be connected with described first acquisition module.
9. computing machine as claimed in claim 6 is characterized in that, comprises a plurality of described sensor assemblies; Described judge module comprises:
Be used to obtain the amplitude of the infrared signal that described a plurality of sensor assembly current time senses, and the amplitude of the infrared signal that described a plurality of sensor assembly current times are sensed superposes, obtain second acquisition module of stack amplitude of the infrared signal of current time correspondence, be connected with described a plurality of sensor assemblies;
Be used for the different stack amplitudes of corresponding infrared signal constantly of comparison, obtain second comparison module of a comparative result, be connected with described second acquisition module;
Be used for according to described comparative result, judge second execution module that whether has object to exist in the described default sensing region, be connected with described second acquisition module.
10. computing machine as claimed in claim 6 is characterized in that, also comprises:
Lens module, described lens module comprises: a plurality of light transparent member that can the transmission infrared signal, and a plurality of resistance light parts that can stop infrared signal that are arranged between the adjacent described light transparent member.
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| CN2010205525925U CN201845299U (en) | 2010-09-29 | 2010-09-29 | Sensing device and computer |
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| CN2010205525925U CN201845299U (en) | 2010-09-29 | 2010-09-29 | Sensing device and computer |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014032556A1 (en) * | 2012-08-25 | 2014-03-06 | 华为技术有限公司 | Method, device and system for detecting in-seat state of telephone user |
| CN103845893A (en) * | 2012-12-03 | 2014-06-11 | 联想(北京)有限公司 | Power source control method and electronic equipment |
| CN104239079A (en) * | 2013-06-17 | 2014-12-24 | 鸿富锦精密工业(武汉)有限公司 | Electronic device operating system automatic awakening method and system |
| CN104914975A (en) * | 2014-03-10 | 2015-09-16 | 鸿富锦精密工业(武汉)有限公司 | Computer energy saving system and method |
| CN108324270A (en) * | 2017-12-29 | 2018-07-27 | 深圳市亮动科技开发有限公司 | A kind of cardioelectric monitor equipment, cardioelectric monitor apparatus control system and method |
| CN109739339A (en) * | 2018-12-30 | 2019-05-10 | 联想(北京)有限公司 | Control method and device |
| CN114067549A (en) * | 2020-08-04 | 2022-02-18 | 新唐科技股份有限公司 | Data receiving circuit and data receiving method thereof |
| CN117191093A (en) * | 2023-11-08 | 2023-12-08 | 钛玛科（北京）工业科技有限公司 | Anti-interference infrared sensor and working method thereof |
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2010
- 2010-09-29 CN CN2010205525925U patent/CN201845299U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014032556A1 (en) * | 2012-08-25 | 2014-03-06 | 华为技术有限公司 | Method, device and system for detecting in-seat state of telephone user |
| CN103845893A (en) * | 2012-12-03 | 2014-06-11 | 联想(北京)有限公司 | Power source control method and electronic equipment |
| CN104239079A (en) * | 2013-06-17 | 2014-12-24 | 鸿富锦精密工业(武汉)有限公司 | Electronic device operating system automatic awakening method and system |
| CN104914975A (en) * | 2014-03-10 | 2015-09-16 | 鸿富锦精密工业(武汉)有限公司 | Computer energy saving system and method |
| CN108324270A (en) * | 2017-12-29 | 2018-07-27 | 深圳市亮动科技开发有限公司 | A kind of cardioelectric monitor equipment, cardioelectric monitor apparatus control system and method |
| CN109739339A (en) * | 2018-12-30 | 2019-05-10 | 联想(北京)有限公司 | Control method and device |
| CN114067549A (en) * | 2020-08-04 | 2022-02-18 | 新唐科技股份有限公司 | Data receiving circuit and data receiving method thereof |
| CN114067549B (en) * | 2020-08-04 | 2023-12-29 | 新唐科技股份有限公司 | Data receiving circuit and data receiving method thereof |
| CN117191093A (en) * | 2023-11-08 | 2023-12-08 | 钛玛科（北京）工业科技有限公司 | Anti-interference infrared sensor and working method thereof |
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