CN100365428C - Humanbody detecting apparatus and electronic machine matched with the same - Google Patents
Humanbody detecting apparatus and electronic machine matched with the same Download PDFInfo
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- CN100365428C CN100365428C CNB2004100713170A CN200410071317A CN100365428C CN 100365428 C CN100365428 C CN 100365428C CN B2004100713170 A CNB2004100713170 A CN B2004100713170A CN 200410071317 A CN200410071317 A CN 200410071317A CN 100365428 C CN100365428 C CN 100365428C
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Abstract
In a surface acoustic wave filter (1), an input-side IDT electrode (3) and an output-side IDT electrode (4) are arranged on a piezoelectric substrate (2) so as to be separated from each other in the propagation of a surface acoustic wave. The thickness of the IDT electrodes (3,4) is set so that the first coefficient of the velocity-dispersion has a negative value.
Description
Technical field
The present invention relates to human body detection device, in more detail, relate to and making up and the human body detection device that constitutes being used for the electrothermic type sensor that human body exists and being used to discern to the infrared mode distance measuring sensor of the distance of human body.
In addition, the present invention relates to be furnished with the e-machine of such human body detection device.
Here, ' e-machine ' extensively refers to use the machine that electric processing is carried out in the output of human body detection device.
Background technology
In recent years, for noncontact mode human body, the device (being referred to as " human body detection device ") that the distance measuring sensor with electrothermic type sensor and infrared mode makes up has been proposed.Detect hot line (far infrared) because of not detecting resting, can discern the speciality that human body exists so the electrothermic type sensor has.In addition, angle of visibility wide pact ± 50 ° when level, detect distance (～5m), but can not detect distance to detected object.On the other hand, the distance measuring sensor of infrared mode sends near infrared ray by light-emitting component, with the reflected light of PSD (position detecting element) detection from detected object.The angle of visibility of the distance measuring sensor of this infrared mode narrow to ± several °, but can discern distance to detected object, and, the also not influence of the color (clothes) of object under inspection (human body).Therefore, if the distance measuring sensor of electrothermic type sensor and infrared mode is made up, existence that then can human body can be discerned distance and direction (for example, opening flat 08-338880 communique (Japan) with reference to the spy) to human body simultaneously.
Figure 1A schematically illustrates from the top and observes existing this human body detection device 100, and Figure 1B schematically illustrates from the inside of this human body detection device 100 of top view.Shown in Figure 1B, this human body detection device 100 comprises in body housing 150: be used for the electrothermic type sensor 101 that human body exists; Be used to discern to distance measuring sensor 102-0,102-1,102-2,102-3, the 102-4 (with label 102 general designations) of a plurality of infrared modes of the distance of detected object (human body).Each distance measuring sensor 102 has the identical performance of separate formation, comprises LED (infrared light-emitting component) 103, PSD (position detecting element) 104 and IC (integrated circuit) 109 respectively in framework 108.The direction that these distance measuring sensors 102 is changed range finding respectively disposes, so that cover the sensing range of electrothermic type sensor 101 with a plurality of distance measuring sensors.Shown in Figure 1A, in the front of body housing 150, corresponding respectively each LED103, each PSD104 are provided with collector lens 105,106.The near infrared ray that each LED103 sends arrives detected object H by corresponding collector lens 105, and the reflection back is by the light receiving surface of the PSD104 of corresponding collector lens 106 incident correspondences.PSD104 exports the signal of expression to the distance of described detected object H according to the position of the incident light of light receiving surface.
Shown in the electrical block diagram of Fig. 2, electrothermic type sensor 101 comprises sensor part 101a and the signal processing part 101b that its output is handled.In addition, distance measuring sensor 102-0 only is shown particularly, and each distance measuring sensor 102 comprises in Fig. 2: be used for led drive circuit 103B that LED103 is driven; The signal processing circuit 104B that the output of PSD104 is handled; And the resistance 104C (these are equivalent to the IC109 of Fig. 1) that is used for sensitivity adjustment.In addition, in body housing 150, be provided with each distance measuring sensor 102 is supplied with the constant voltage circuit 130 of constant voltage and the control circuit 140 of controlling the action of each distance measuring sensor 102.
Make above-mentioned electrothermic type sensor 101 be always duty.If there is detected object (the human body H shown in Figure 1A) in (sensing range) in distance electrothermic type sensor 101 certain distances, then electrothermic type sensor 101 detects from the far infrared and the output detection signal of human body emission.According to this detection signal, by the control of control circuit 104, each distance measuring sensor 102 begins the range finding action.Usually, by the order batch (-type) of distance measuring sensor 102-0,102-1,102-2,102-3,102-4 repeat the range finding action.In above-mentioned range finding action certain distance measuring sensor 102 detect to object apart from the time, according to the range finding direction and the range information of this distance measuring sensor 102, can differentiate the position of human body with respect to human body detection device 100.
But as this human body detection device 100, in the mode of using a plurality of distance measuring sensors 102 that have framework 108 and separate formation respectively, as a whole, the size of device (body 150) maximizes.Therefore, for example be created in the restriction that to carry such purposes aspect in the small-sized machine.In addition, because component count is many, so also there is the high problem of cost in price.
Summary of the invention
Therefore, problem of the present invention is the human body detection device that provides small-sized, cheap.
In addition, problem of the present invention is to provide the e-machine of being furnished with this human body detection device.
In order to solve above-mentioned problem, the infrared mode distance measuring sensor that human body detection device of the present invention will be used for the electrothermic type sensor that human body exists and be used to discern the distance of the detected object that goes out to this electrothermic type sensor makes up and constitutes,
Described infrared mode distance measuring sensor comprises:
A plurality of infrared light-emitting components change ultrared transmit direction respectively and dispose, to cover the sensing range of described electrothermic type sensor; And
Position detecting element has the ultrared light receiving surface of incident from described detected object reflection, exports the signal of expression to the distance of described detected object according to the position of the incident light in this light receiving surface;
It is characterized in that, will be contained in corresponding to the position detecting element of described a plurality of light-emitting components in the framework.
Here, ' cover the sensing range of electrothermic type sensor ' and mean that infrared ray relates to the sensing range universe of electrothermic type sensor.
And ' framework ' not the set of a plurality of frameworks, mean the framework that impartible mode is made of continuous material with separation.
In human body detection device of the present invention, if there is human body in sensing range, then the electrothermic type sensor detects the detected object (human body) that exists from the far infrared of human body emission.The infrared mode distance measuring sensor is for example from each infrared light-emitting component time emission infrared ray that staggers respectively.If have detected object on the specific direction in sensing range, then be transmitted into the infrared ray detected object reflection on this direction, incide the light receiving surface of position detecting element from the reflected light of detected object.Therefore, according to this ultrared transmit direction, the direction that exists of detected object as can be known.In addition, position detecting element is exported the signal of expression to the distance of described detected object according to the position of the incident light in this light receiving surface.Like this, existence that can human body can be discerned direction and distance to human body simultaneously.
In addition, in human body detection device of the present invention,,, can make the device size miniaturization so compare with the conventional example of the Fig. 1 that gathers a plurality of frameworks owing to will be contained in corresponding to the position detecting element of described a plurality of light-emitting components in the framework.And, because component count is few, so cheap.
In addition, described infrared distance measuring sensor does not need mechanical scanning, and quietness is good and do not produce noise.In addition, the response restriction that does not have mechanical scan to cause.And, because the wearing and tearing that do not have mechanical scan to produce, so do not need to safeguard.Therefore, can carry out running steady in a long-term.
In the human body detection device of an embodiment, it is characterized in that: described position detecting element has a light receiving surface corresponding to described a plurality of light-emitting components.
Here, ' light receiving surface ' mean the light receiving surface that continuous material constitutes.Specifically, mean that a chip (chip) constitutes.
In the human body detection device of this embodiment, described position detecting element has a light receiving surface corresponding to described a plurality of light-emitting components, so compare with the situation that a plurality of chips constitute, forms small-sized and inexpensive structure.
The human body detection device of one embodiment is characterised in that, comprises the body housing that has held described electrothermic type sensor and infrared mode distance measuring sensor at least,
In the front of described body housing, at position configuration toroidal lens corresponding to the light receiving surface of described position detecting element.
Here, ' front of body housing ' means the face towards sensing range.
In the human body detection device of this embodiment, in the front of body housing corresponding to the position configuration toroidal lens of the light receiving surface of described position detecting element, so can with from the reflected light of all directions by described toroidal lens suitably optically focused on described light receiving surface.
In the human body detection device of an embodiment, it is characterized in that: comprise efferent, the output expression is by the human detection signal of described electrothermic type sensor and the detected content of described infrared mode distance measuring sensor.
In the human body detection device of this embodiment, efferent output expression is by the human detection signal of described electrothermic type sensor and the detected content of described infrared mode distance measuring sensor.By using this human detection signal, have or not human body to exist in can sensing range according to the rules and control various machines to the direction and the distance of human body.
In the human body detection device of an embodiment, it is characterized in that: described efferent sends described human detection signal with infrared ray or wave mode.
In the human body detection device of this embodiment,, the human detection signal is not sent to various e-machines so can not use cable because described efferent sends described human detection signal with infrared ray or wave mode.
In the human body detection device of an embodiment, it is characterized in that: comprise a plurality of described electrothermic type sensors, the sensing range of these electrothermic type sensors staggers mutually.
In the human body detection device of this embodiment, comprise a plurality of described electrothermic type sensors, the sensing range of these electrothermic type sensors staggers mutually, so sensing range is as a whole widened.
In addition, expect that the sensing range of described a plurality of electrothermic type sensors is overlapped.In this case, by the output of the overlapping electrothermic type sensor of comparison, computing sensing range, approximate location that can human body.
In the human body detection device of an embodiment, it is characterized in that: each light-emitting component of described infrared mode distance measuring sensor is in short pulse mode and be cycle of 0.5 second to 1 second to launch described infrared ray by length at intermittence.
In the human body detection device of this embodiment, each light-emitting component of described infrared mode distance measuring sensor is in short pulse mode and be cycle of 0.5 second to 1 second to launch described infrared ray by length at intermittence.That is, each light-emitting component drives with low duty ratio.Therefore, the situation that drives each light-emitting component with high duty ratio is compared, and can reduce the consumption electric power of each light-emitting component.
Have, human body mobile slower is so it is just enough to use the infrared cycle 0.5 second or more corresponding with it to detect again.But, if the infrared cycle surpass 1 second, then owing to can make the people feel that the action of the position of human body and machine is inconsistent, so and bad.
In the human body detection device of an embodiment, it is characterized in that: comprise control part, control, with in described a plurality of light-emitting components, compare with infrared frequency, reduce the infrared frequency of remaining light-emitting component corresponding to the light-emitting component of described detected object direction.
In the human body detection device of this embodiment, in case after detecting the direction of detected object, control part is controlled, with in described a plurality of light-emitting components of described infrared mode distance measuring sensor, compare with infrared frequency, reduce the infrared frequency of remaining light-emitting component corresponding to the light-emitting component of described detected object direction.Therefore, low to the infrared frequency of the direction that does not have detected object, can reduce the consumption electric power of light-emitting component.
In addition, in case after detecting the direction of detected object, control part also can be only from light-emitting component intermittent transmission infrared ray corresponding to the direction of described detected object.In this case, can further reduce the consumption electric power of light-emitting component.Have again, the result that described detected object moves, when the reflected light that does not detect from this direction, it is just passable to launch infrared ray respectively from each infrared light-emitting component once more.
In the human body detection device of an embodiment, it is characterized in that: the body housing of this device limits seeing through of visible light, and covers with having the resin component element that makes infrared ray see through character.
In the human body detection device of this embodiment, the body housing of this device limits seeing through of visible light, and covers with having the resin component element that makes infrared ray see through character, so this device can avoid being subjected to mechanical impact and pollution.In addition, because the body housing of this device is unshowy, so in the design aspect ideal.
In the human body detection device of an embodiment, it is characterized in that: described efferent sends described human detection signal by public line.
In the human body detection device of this embodiment, described efferent sends described human detection signal by public line, so can the human detection signal be sent to various e-machines by public line.
E-machine of the present invention comprises: described human body detection device; Be used to carry out the machine portion of compulsory exercise; And the control part of controlling described machine portion according to the described human detection signal of described human body detection device output.
E-machine of the present invention carries out the control of described machine portion according to the described human detection signal of described human body detection device output, so have or not human body in can sensing range according to the rules and control described machine portion to the direction of human body and distance.
In the e-machine of an embodiment, it is characterized in that:
The storage part that comprises the information of storage representation user preferences,
Described control part is except according to the action of also controlling described machine portion the described human detection signal according to the memory contents of described storage part.
In the e-machine of this embodiment, user's information of storage representation personal like in storage part in advance for example.Described control part is except according to the action of also controlling described machine portion the described human detection signal according to the memory contents of described storage part.Therefore, can be not only have or not human body in according to the rules the sensing range and, also control described machine portion according to user's hobby to the direction and the distance of human body.
In addition, expectation comprises the parts that are used for upgrading with real-time mode in the action of described machine portion the content of described storage part.In this case, can be according to user's hobby, in the action of described machine portion, switch the control of described machine portion with real-time mode.For example, exist under a plurality of users' the situation, can switch the control of described machine portion with real-time mode each user.
Description of drawings
The present invention can understand fully by following detailed explanation and accompanying drawing.Accompanying drawing only is used for explanation, rather than restriction the present invention.
Figure 1A is the figure that schematically represents to observe from the top existing human body detection device, and Figure 1B is the figure that schematically represents from this human body detection device of top view.
Fig. 2 is the electrical block diagram of above-mentioned existing human body detection device.
Fig. 3 A is the figure that schematically represents to observe from the top human body detection device of an embodiment of the present invention, and Figure 1B is the figure that schematically represents from this human body detection device of top view.
Fig. 4 is the electrical block diagram of above-mentioned human body detection device.
Fig. 5 is that expression is observed the figure of the outward appearance of above-mentioned human body detection device from tilted direction.
Fig. 6 is the figure of infrared direction of each LED of the above-mentioned human body detection device of expression.
Fig. 7 A is the figure that represents above-mentioned human body detection device is applied to the example of air conditioner, and Fig. 7 B is the figure that above-mentioned human body detection device is applied to the example of audio equipment.
Fig. 8 is the figure of variation of the air conditioner of presentation graphs 7A.
Fig. 9 is illustrated in the figure that the example of above-mentioned human body detection device is set with the diverse location of air conditioner.
Figure 10 is the figure of variation of the human body detection device of presentation graphs 3.
Figure 11 is the figure of sensing range of electrothermic type sensor of the human body detection device of expression Figure 10.
Figure 12 is the figure of expression with the example of the human body detection device of resin component element coverage diagram 3.
Figure 13 A, Figure 13 B are respectively the figure of the waveform of the LED control signal in the human body detection device of illustration Fig. 3.
Figure 14 is expression also is provided with the example of communicator except above-mentioned human body detection device and control part figure.
Embodiment
Below, according to illustrated embodiment the present invention is described.
Fig. 3 A schematically represents to observe from the top human body detection device 1 of an embodiment, and Fig. 3 B schematically represents from the inside of this human body detection device 1 of top view.Shown in Fig. 3 B, this human body detection device 1 comprises in body housing 50: be used for the electrothermic type sensor 7 that human body exists; And be used to discern to the distance measuring sensor 2 of the infrared mode of the distance of detected object (human body).Distance measuring sensor 2 comprises in the framework 20 of one as led chip 3-0, the 3-1 of a plurality of (being 5 in this example) infrared light-emitting component, 3-2,3-3,3-4 (with label 3 general designations), PSD (position detecting element) 4 and IC (integrated circuit) 9.As shown in Figure 3A, in the front of body housing 50, correspond respectively to each LED3, PSD4 collector lens 5,6 is set.The near infrared ray I1 that each LED3 sends arrives detected object H by corresponding collector lens 5, incides the light receiving surface of PSD4 by collector lens 6 from the reflected light I1 ' of detected object H.PSD4 exports the signal of expression to the distance of above-mentioned detected object H according to the position of the incident light in the light receiving surface.And hot line (far infrared) I0 that 7 couples of detected object H of electrothermic type sensor send detects.
Fig. 6 schematically represents to observe from the side the inside of human body detection device 1.The transmit direction that led chip 3 changes infrared ray (near infrared ray) respectively disposes, to cover the sensing range (oblique line is represented) of electrothermic type sensor 7 with a plurality of led chips.Arrow a-0, a-1, a-2, a-3, a-4 represent the infrared direction of each led chip 3-0,3-1,3-2,3-3,3-4 respectively.
Fig. 5 represents to observe from tilted direction the outward appearance of human body detection device 1.As shown in Figure 5, the collector lens 6 corresponding to PSD4 is made of toroidal lens.Therefore, can with from the reflected light of all directions by toroidal lens 6 suitably optically focused to the light receiving surface of PSD4.
In this human body detection device 1, owing to will be contained in corresponding to the PSD4 of a plurality of led chips 3 in the framework 20, so compare with the conventional example of the Fig. 1 that gathers a plurality of frameworks, can be with the device size miniaturization.Specifically, the size of human body detection device 1 can miniaturization the size of a distance measuring sensor 102 in Fig. 1 roughly.And, because component count is few, so low price.
Fig. 4 represents the electrical block structure of human body detection device 1.As shown in Figure 4, electrothermic type sensor 7 comprises sensor part 7a and the signal processing part 7b that its output is handled.In addition, distance measuring sensor 2 comprises: the led drive circuit 3B that is used to drive each LED3-0,3-1,3-2,3-3,3-4; The signal processing circuit 4B that the output of PSD4 is handled; And the resistance 4C (these are equivalent to the IC9 of Fig. 3) that is used for adjusting sensitivity.Between each LED3-0,3-1,3-2,3-3,3-4 and led drive circuit 3B, be provided as NPN transistor 11-0, the 11-1,11-2,11-3, the 11-4 that are used for the switch of the independent energising of each LED.These NPN transistor 11-0,11-1,11-2,11-3,11-4 are by from the control part LED control signal CS0 of (for example representing with label 40 among Fig. 7 A), CS1, CS2, CS3, CS4 and conducting, end.In addition, distance measuring sensor 2 comprises the constant voltage circuit 30 to led drive circuit 3B and PSD4 supply constant voltage.
In body housing 50, be provided for the output signal of electrothermic type sensor 7 the V2 terminal, be used for from the outside to the VCC terminal of signal processing circuit 4B and constant voltage circuit 30 supply powers, be used for the output signal of PSD4 the V1 terminal, be used for the GND terminal of this body housing 50 ground connection and the terminal that is used to import above-mentioned LED control signal CS0, CS1, CS2, CS3, CS4.
This human body detection device 1 following action.
Above-mentioned electrothermic type sensor 7 is always duty.If have detected object (the human body H shown in Fig. 3 A) in the certain distance (sensing range) of distance electrothermic type sensor 7, then electrothermic type sensor 7 detects from the far infrared I0 of human body emission and with detection signal and outputs to the V2 terminal.According to this detection signal, by the control of control part 40, distance measuring sensor 2 begins the range finding action.
For example, shown in the control of Figure 13 A regularly, control part 40 forms high level with LED control signal CS0, CS1, CS2, CS3, CS4 in short pulse (pulse width (time) is Δ t) mode and in length time of staggering respectively from 0.5 second to 1 second period T.According to this control signal, the NPN transistor 11-0 among Fig. 4,11-1,11-2,11-3,11-4 successively conducting once, corresponding LED3-0,3-1,3-2,3-3,3-4 launches a near infrared ray I1 (being referred to as ' control successively ') successively.
Here, if have detected object H on the specific direction in the sensing range A shown in Figure 6 (one of them of a-0, a-1, a-2, a-3, a-4), be transmitted into the infrared ray I1 detected object reflection of this direction, inciding the light receiving surface of PSD4 from the reflected light I1 ' of detected object H.Therefore, control part 40 obtain with LED control signal CS0, CS1, CS2, CS3, CS4 synchronously, in other words, obtain with from the infrared of each LED3-0,3-1,3-2,3-3,3-4 synchronously, detect by output (V1 terminal), as can be known the direction of detected object H existence distance measuring sensor 2.In addition, the output of distance measuring sensor 2 is represented to the distance of above-mentioned detected object H according to the position of the incident light in the light receiving surface of PSD4.Therefore, direction and distance to human body are discerned in existence that can human body simultaneously.
As above example, if drive each LED3, then compare with the situation that drives each LED3 with high duty ratio with low duty ratio, can reduce the consumption electric power of each LED3.Have again,, move, detect just enough by the infrared period T more than 0.5 second corresponding to this because human body is mobile slower.But if the infrared cycle surpasses 1 second, then the people can feel that the action of the position of human body and machine is inconsistent, so improper.
In above example, LED3-0,3-1,3-2,3-3, an infrared ray of 3-4 sequential firing (sequential control), but be not limited to this.Shown in Figure 13 B, with a succession of range finding action of distance measuring sensor 2 in case after detecting the direction of detected object H, control part 40 is only just passable from launching infrared ray off and on corresponding to the LED3 of the direction of above-mentioned detected object H (in this example corresponding to CS2 LED3-2).In this case, if keep the infrared period T of LED3-2, then the consumption electric power of LED further can be reduced to 1/5.
Have again, the result that above-mentioned detected object H moves, when the reflected light that does not detect from its direction, it is just passable to turn back to the sequential control shown in Figure 13 A once more.
Like this, compare with infrared frequency in LED3-0, the 3-1 of a plurality of distance measuring sensors 2,3-2,3-3,3-4 corresponding to the LED of the direction of detected object H, by reducing the infrared frequency of remaining LED, can reduce the consumption electric power of relevant LED as a whole.
Fig. 7 A is illustrated in the air conditioner (hereinafter referred to as " air conditioner ") 60 as e-machine, the example that above-mentioned human body detection device 1 and control part 40 one are carried.This air conditioner 60 comprises the machine portion 61 to indoor air-supply W.In this air conditioner 60, control part 40 is as the efferent action, and the output expression is by the human detection signal HS of electrothermic type sensor 7 and distance measuring sensor 2 detected contents.Then, control part 40 carries out the control of machine portion 61 according to human detection signal HS, so can have unmanned and control air-supply W to the direction and the distance of human body according to indoor (sensing range in).For example, transmit cold wind or hot blast, can carry out indoor air-conditioning expeditiously to the direction that the people is arranged.
Fig. 7 B is illustrated in the audio equipment 70 as e-machine, the example that above-mentioned human body detection device 1 and control part 40 one are carried.This audio equipment 70 comprises the machine portion 71 that carries out audio frequency output SD to indoor.In this audio equipment 70, because control part 40 carries out the control of machine portion 71 according to above-mentioned human detection signal HS, so can have unmanned and come control audio output SD to the direction and the distance of human body according to indoor (in the sensing range).For example, can automatically adjust acoustics, so that tonequality is best in the position that the people is arranged from the set of speakers of machine portion 71.
Fig. 8 is illustrated in the variation 60A that has carried in the air conditioner 60 shown in Fig. 7 A as the personal information storage device 62 of storage part.Personal information storage portion 62 can the storage representation user preferences information, the temperature of storage representation user preferences, air quantity, strong and weak information in this example.
For example the user at detected object is a man-hour, in advance the information of the temperature of this people's hobby of registration expression, air quantity, power in personal information storage device 62.When air-conditioner operation, control part 40 is also controlled the action of machine portion 61 except according to the above-mentioned human detection signal HS according to the information of registered in advance in personal information storage device 62.Therefore, not only can have unmanned and to the direction and the distance of human body, and can control machine portion 61 according to user's hobby according to indoor.Therefore, can carry out the temperature, air quantity of user preferences, the air-supply of strong and weak wind.
And be many man-hours the user of detected object, be used for the preliminary activities of individual appointment with display device, sound etc. from the air-conditioning pusher side with respect to people H.Infrared signal I2 that the people H that has accepted preliminary activities produces with telepilot 63 or sound etc. transmit to air conditioner 60A side and are used for individual specified message.According to this information, air conditioner 60A is with the real-time mode memory contents of personal information pen recorder 62 in the action of new engine portion 61 more.Then, control part 40 not only has unmanned and to the direction and the distance of human body, also controls machine portion 61 according to the memory contents of the personal information storage device 62 that upgrades with real-time mode according to indoor.Under such situation, when having a plurality of user, can in the action of machine portion 61, switch the control of machine portion 61 to each user with real-time mode.Therefore, user convenience raising.
Fig. 9 is illustrated on the indoor position (wall etc.) different with air conditioner 60B, the example that above-mentioned human body detection device 1 and control part 40 ' are wholely set.In this example, control part 40 ' sends above-mentioned human detection signal HS as efferent with infrared ray or electric wave (using symbol HS ' expression) mode.Under such situation, can not use cable, HS ' is sent to air conditioner 60B with the human detection signal.
Figure 10 A schematically represents to observe from the side the variation (1A represents with symbol) of human body detection device, and Figure 10 B schematically represents from this human body detection device of top view 1A.With respect to the human body detection device 1 shown in Fig. 3 A, Fig. 3 B, the difference of this human body detection device 1A is to comprise two electrothermic type sensor 7-1 and 7-2.Other structures are identical with human body detection device 1.
Figure 11 schematically represents from top observation human body detection device 1A.Electrothermic type sensor 7-1 is towards right-hand, the result that electrothermic type sensor 7-2 is provided with respectively towards left, and their sensing range A-1, A-2 stagger up and down mutually.Therefore, sensing range is as a whole widened.In addition, two sensing range A-1, A-2 are overlapped, so by the relatively output of union electrothermic type sensor 7-1,7-2, approximate location that can human body.
Figure 12 represents seeing through of the restricted visible light of apparatus and makes the resin component element 13 of the character that infrared ray sees through cover the example of the body housing 50 of human body detection device 1.Under such situation, can protect human body detection device 1 to be subjected to mechanical impact and pollution.Therefore, in function aspects such as anti-mechanical impact and antipollutions, human body detection device 1 that the restriction that the place is subjected to is set is few.In addition because the body housing 50 of human body detection device 1 is not obvious, so design aspect human body detection device 1 that the situation that the place restricted is set is few.
Figure 14 A, Figure 14 B represent respectively except human body detection device 1 and control part 40, also will send the example that communicator 41A, the 41B of human detection signal HS are wholely set as efferent by public line.In the example of Figure 14 A, communicator 41A is a wireless mode, and human detection signal HS is outputed to relay part 81 in the mode of electric wave EM.In the example of Figure 14 B, communicator 41B is wired mode, and HS outputs to communication base station 82 by telecommunication cable 80 with the human detection signal.
Under such situation, receiving the side (e-machine side) of human detection signal HS, can obtain people's at a distance existence, movable information by simple and easy low price mode.In the more detailed supervision a long way off, in most cases use the communication of the view data that imaging apparatus produces, but the view data general data amount that imaging apparatus produces is big, needs equipment such as dedicated line, power supply and uneconomical.On the contrary, expression is little by the data volume of the human detection signal HS of the electrothermic type sensor 7 of human body detection device 1 and distance measuring sensor 2 detected contents.Therefore, do not need equipment such as dedicated line, power supply, can send by public line as described above, so favourable economically.
In addition, in common monitoring traffic, need monitoring image all the time, but, can catch variations such as discrepancy indoor people by with imaging apparatus and human body detection device combination.Therefore, by only issuing sending information image, can reduce equipment aspect, artificial restriction significantly in vicissitudinous situation.
Have again, in the above embodiment,, but be not limited thereto at the outer setting control part 40 of the body housing 50 of human body detection device 1,40 ' and as communicator 41A, the 41B of efferent.Also can control part and efferent be set and carry out integrated in the inside of the body housing 50 of human body detection device 1.
More than, the present invention has been described, but the present invention obviously can carry out various changes.Such change should not be seen as the disengaging the spirit and scope of the present invention, and the change that those skilled in the art understand is included in the scope of claim.
Claims (12)
1. human body detection device, the infrared mode distance measuring sensor that will be used for the electrothermic type sensor that human body exists and be used to discern the distance of the detected object that goes out to this electrothermic type sensor makes up and constitutes,
It is characterized in that described infrared mode distance measuring sensor comprises:
A plurality of infrared light-emitting components change ultrared transmit direction respectively and dispose, to cover the sensing range of described electrothermic type sensor; And
Position detecting element has the ultrared light receiving surface of incident from described detected object reflection, exports the signal of expression to the distance of described detected object according to the position of the incident light in this light receiving surface;
To be contained in corresponding to the position detecting element of described a plurality of light-emitting components in the framework.
2. human body detection device as claimed in claim 1 is characterized in that:
Described position detecting element has a light receiving surface corresponding to described a plurality of light-emitting components.
3. human body detection device as claimed in claim 2 is characterized in that:
Comprise the body housing that has held described electrothermic type sensor and infrared mode distance measuring sensor at least,
In the front of described body housing, at position configuration toroidal lens corresponding to the light receiving surface of described position detecting element.
4. human body detection device as claimed in claim 1 is characterized in that:
Comprise efferent, the output expression is by the human detection signal of described electrothermic type sensor and the detected content of described infrared mode distance measuring sensor.
5. human body detection device as claimed in claim 4 is characterized in that:
Described efferent sends described human detection signal with infrared ray or wave mode.
6. human body detection device as claimed in claim 1 is characterized in that:
Comprise a plurality of described electrothermic type sensors, the sensing range of these electrothermic type sensors staggers mutually.
7. human body detection device as claimed in claim 1 is characterized in that:
Each light-emitting component of described infrared mode distance measuring sensor is in short pulse mode and be cycle of 0.5 second to 1 second to launch described infrared ray by length at intermittence.
8. human body detection device as claimed in claim 1 is characterized in that:
Comprise control part, control,, compare, reduce the infrared frequency of remaining light-emitting component with infrared frequency corresponding to the light-emitting component of described detected object direction with in described a plurality of light-emitting components.
9. human body detection device as claimed in claim 1 is characterized in that:
The resin component element that sees through and make infrared ray to see through character of the restricted visible light of body housing apparatus of this device covers.
10. human body detection device as claimed in claim 4 is characterized in that:
Described efferent sends described human detection signal by public line.
11. an e-machine comprises:
Human body detection device as claimed in claim 4;
Be used to carry out the machine portion of compulsory exercise; And
Control the control part of described machine portion according to the described human detection signal of described human body detection device output.
12. e-machine as claimed in claim 11 is characterized in that:
The storage part that comprises the information of storage representation user preferences,
Described control part is except according to the action of also controlling described machine portion the described human detection signal according to the memory contents of described storage part.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003027662 | 2003-07-03 | ||
| JP27662/2003 | 2003-07-18 | ||
| JP27662/03 | 2003-07-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1576882A CN1576882A (en) | 2005-02-09 |
| CN100365428C true CN100365428C (en) | 2008-01-30 |
Family
ID=34611355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100713170A Expired - Fee Related CN100365428C (en) | 2003-07-03 | 2004-07-19 | Humanbody detecting apparatus and electronic machine matched with the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100365428C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100437145C (en) * | 2005-12-19 | 2008-11-26 | 北京威亚视讯科技有限公司 | Position posture tracing system |
| JP7018796B2 (en) * | 2018-03-27 | 2022-02-14 | 株式会社Lixil | Detection range regulation member and toilet bowl of human body detection sensor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08338880A (en) * | 1995-04-12 | 1996-12-24 | Matsushita Electric Ind Co Ltd | Thermal object measuring device, personal audience rating monitoring system and distance detector |
| CN1160210A (en) * | 1996-02-08 | 1997-09-24 | 日本电气株式会社 | Apparatus for detecting that flying object has passed monitoring space |
| CN1292878A (en) * | 1998-03-10 | 2001-04-25 | 西门子公司 | Optical sensor system for detecting position of object |
-
2004
- 2004-07-19 CN CNB2004100713170A patent/CN100365428C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08338880A (en) * | 1995-04-12 | 1996-12-24 | Matsushita Electric Ind Co Ltd | Thermal object measuring device, personal audience rating monitoring system and distance detector |
| CN1160210A (en) * | 1996-02-08 | 1997-09-24 | 日本电气株式会社 | Apparatus for detecting that flying object has passed monitoring space |
| CN1292878A (en) * | 1998-03-10 | 2001-04-25 | 西门子公司 | Optical sensor system for detecting position of object |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1576882A (en) | 2005-02-09 |
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