CN106610484B - A kind of device and method for detecting heat source orientation - Google Patents
A kind of device and method for detecting heat source orientation Download PDFInfo
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- CN106610484B CN106610484B CN201510685930.XA CN201510685930A CN106610484B CN 106610484 B CN106610484 B CN 106610484B CN 201510685930 A CN201510685930 A CN 201510685930A CN 106610484 B CN106610484 B CN 106610484B
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- heat source
- positioning region
- infrared
- target positioning
- detecting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/78—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
- G01S3/782—Systems for determining direction or deviation from predetermined direction
- G01S3/789—Systems for determining direction or deviation from predetermined direction using rotating or oscillating beam systems, e.g. using mirrors, prisms
Abstract
A kind of device and method for detecting heat source orientation, comprising: preparation process and external heat source enter the orientation judgment step implemented in infrared induction equipment scanning range；Preparation process includes: the target positioning region rotation of detecting infrared induction equipment is turned around required unit time period (Tc), and target positioning region is judged part to benchmark is located at；Orientation judgment step includes: driving target positioning region is rotated, and carries out following judgements: benchmark judges that part position is defined as reference bearing；When the infrared signal issued from external heat source is transferred to infrared sensor via target positioning region, its time point for corresponding to unit time period is defined as heat source time point (Ts), target positioning region is defined as heat source azimuth (θ x) relative to the angle of reference bearing at this time, is learnt by following the equation: x360 ° of θ x=(Ts/Tc).
Description
Technical field
The present invention relates to a kind of device and method for detecting heat source orientation, can be to static and Dynamic Thermal more particularly to one kind
The infrared induction equipment and method for detecting of source progress position detecting.
Background technique
For the infrared induction equipment for using infrared sensor now, it is typically only capable to use to have detected whether
Heat source enters in its scanning range.That is, the applicable level of infrared induction equipment institute is relatively narrow now, heat can not be detected
Whether there are still can not further confirm that its orientation relative to sensing apparatus in source；Thus how to be set by infrared induction
The standby detection to implement heat source orientation wishes one of target reached for those skilled in the art.Then, the present invention proposes one kind
Design is reasonable and is effectively improved the technical solution of the above problem.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of detecting heat source orientation in view of the deficiencies of the prior art
Device and method, can effectively improve can not implement heat source orientation by being equipped with the equipment of single infrared sensor in the past
The problem of detection.
The technical problem to be solved by the present invention is to what is be achieved through the following technical solutions:
The embodiment of the present invention provides a kind of equipment for detecting heat source orientation, comprising: a control device includes: a circuit
Plate；One microcontroller is electrically connected at the circuit board；And a drive module, it is electrically connected at the circuit board, and the drive
Dynamic model block reaches electric connection with the controller via the circuit board；And an arrangement for detecting, include: a turntable, phase
It is connected to the drive module；One standard is set to the turntable；Positioning piece, is installed on the turntable, and the turntable can be through
It is rotated self by the driving of the drive module using an axis as axle center；Wherein, which is equipped with a target positioning region；One is red
Outside line sensor is electrically connected at the circuit board, red for receiving be transmitted into the arrangement for detecting via the locating piece one
Outside line signal, and via the target positioning region to be transferred to signal caused by the infrared sensor strong for the infrared signal
Degree, is transferred to the infrared sensor via the locating piece position other than the target positioning region different from the infrared signal
Generated signal strength；And one benchmark judge part, be electrically connected at the control device, and arrange in pairs or groups and be set to the turntable
The reference data of a start time point of the standard as the target positioning region when rotated.
The embodiment of the present invention more provides a kind of method for detecting heat source orientation, comprising: an infrared induction equipment is provided,
With a control device and it is electrically connected at an arrangement for detecting of the control device；Wherein, which includes: a target
Positioning region can rotate self using an axis as axle center；One infrared sensor；And one benchmark judge part, be electrically connected at
The control device, and the benchmark judges that part is used as the reference base of the start time point of the target positioning region when rotated
It is quasi-；Implementing detecting, steps are as follows: step 1: the control device judges that part detects target positioning region rotation one by the benchmark
A unit time period (Tc) needed for circle, and so that the target positioning region is stopped rotating, and judge part to the benchmark is located at；Step 2:
Heat source detecting is carried out in one scanning range with the infrared induction equipment；And step 3: when the infrared induction equipment
When detecting an external heat source into its scanning range, which drives the target positioning region to be rotated, and carries out
The orientation of following external heat sources judges movement: it is an azimuth plane by a plane definition of normal of the axis, and with this
On the azimuth plane centered on axis, which judges that part is defined as a reference bearing (0 °) corresponding to the position of the azimuth plane；
It is right when the infrared signal issued from the external heat source is transferred to the infrared sensor via the target positioning region
A heat source time point (Ts) should be defined as in a time point of the unit time period；When the external heat source is when the heat source time point,
In the position of the azimuth plane, the angle relative to the reference bearing is defined as a heat source azimuth for the target positioning region orthographic projection
(θ x), and the heat source azimuth is learnt via the control device operation following the equation: 360 ° of x of θ x=(Ts/Tc)；And
Step 4: when the infrared induction equipment sensing to the external heat source leaves in its scanning range, the target positioning region is optional
It stops rotating to selecting property, and judge part to the benchmark is located at.
In conclusion the device and method in detecting heat source orientation provided by the embodiment of the present invention, can effectively utilize red
Outside line signal is transferred to signal strength caused by infrared sensor different from via target positioning region via target positioning region
Locating piece position in addition and the benchmark for being transferred to signal strength caused by infrared sensor and infrared induction equipment are sentenced
The cooperation of broken piece and target positioning region makes the external heat source in the heat source orientation where particular point in time (i.e. heat source time point)
Angle can promptly be measured.
Be further understood that feature and technology contents of the invention to be enabled, please refer to below in connection with it is of the invention specifically
Bright and attached drawing, but this explanation is only used to illustrate the present invention with appended attached drawing, rather than protection scope of the present invention is made any
Limitation.
Detailed description of the invention
Figure 1A is that the solid of infrared induction apparatus embodiments one used in the method in present invention detecting heat source orientation is shown
It is intended to；
Figure 1B is another installation form schematic diagram of the infrared induction equipment of Figure 1A；
Fig. 1 C present invention detects the step flow diagram of the method in heat source orientation；
Fig. 2 is the decomposition diagram of infrared induction equipment in Figure 1A；
Fig. 3 is another visual angle decomposition diagram of infrared induction equipment in Figure 1A；
Fig. 4 is the decomposition diagram of Fig. 2 turntable and locating piece；
Fig. 5 is the locating piece schematic top plan view in Fig. 4；
Fig. 6 is the schematic cross-sectional view of infrared induction equipment in Figure 1A；
Three schematic diagrames of the step of Fig. 7 is embodiment one of the method in present invention detecting heat source orientation；
Fig. 8 is the action schematic diagram (one) of infrared induction equipment in Fig. 7；
Fig. 9 is the action schematic diagram (two) of infrared induction equipment in Fig. 7；
Figure 10 is the locating piece of infrared induction apparatus embodiments two used in the method in present invention detecting heat source orientation
Schematic diagram；
Figure 11 is that the solid of infrared induction apparatus embodiments three used in the method in present invention detecting heat source orientation is shown
It is intended to；
Figure 12 is the schematic diagram of the locating piece of infrared induction equipment and focusing part in Figure 11；
Figure 13 is that the part of infrared induction apparatus embodiments four used in the method in present invention detecting heat source orientation is vertical
Body schematic diagram；
Figure 14 is that the part of infrared induction apparatus embodiments five used in the method in present invention detecting heat source orientation is vertical
Body schematic diagram.
[description of symbols]
100 infrared induction equipment
1 control device
11 circuit boards
12 microcontrollers
13 drive modules
131 drive motors
132 driving gears
2 arrangement for detecting
21 infrared sensors
211 detection faces
22 bearings
23 turntables
231 first ring bodies
232 second ring bodies
233 transmission gears
24 locating pieces
241 target positioning regions
242 light collecting parts
243 around portion
2431 optically focused are around portion
2432 shield rings are around portion
25 benchmark judge part
251 optical receivers
26 focus part
261 light collecting parts
27 standards
271 reflecting pieces
3 shells
31 hand designations
32 detecing elements
C axis
θ x heat source azimuth
S scanning range
P azimuth plane
200 external heat sources
300 entrances
S110 step 1
S120 step 2
S130 step 3
S140 step 4
Specific embodiment
Embodiment one
Figure 1A to Fig. 9 is please referred to, is the embodiment of the present invention one, need to first illustrate, the present embodiment respective figure institute
The correlated measure and external form referred to is only used to specifically describe embodiments of the present invention, in order to understand its content, Er Feiyong
To limit to protection scope of the present invention.
The present embodiment provides a kind of equipment 100 (namely infrared induction equipment 100) and one kind for detecting heat source orientation
The method for detecting heat source orientation, and the method in above-mentioned detecting heat source orientation mainly passes through above-mentioned infrared ray in this present embodiment
Sensing apparatus 100 is implemented, and above-mentioned infrared induction equipment 100 has a shell 3, the control being installed in above-mentioned shell 3
Device 1 processed and the arrangement for detecting 2 for being installed in shell 3 and being electrically connected at control device 1.It below will be first with regard to infrared ray sense
Each element of equipment 100 is answered to make a brief description, then followed by the detecting heat source introduced with infrared induction equipment 100
The method in orientation.
Fig. 2 and Fig. 3 are please referred to, and when introducing the connection relationship between element, in due course refering to Fig. 6.The control device 1
Include a circuit board 11, be installed in a microcontroller 12 of circuit board 11 and be installed in circuit board 11 and be electrically connected at micro-
One drive module 13 of controller 12.Wherein, above-mentioned microcontroller 12 is each in infrared induction equipment 100 for controlling
The running of element.The drive module 13 comprising a drive motor 131 and is connected to the one of drive motor 131 in this present embodiment
Transmission gear 132.
The arrangement for detecting 2 includes the infrared sensor 21 for being fixedly arranged on circuit board 11, is sheathed on infrared ray sensing
One bearing 22 of 21 outer rim of device, the turntable 23 for being installed in above-mentioned bearing 22, the positioning piece 24 for being installed in above-mentioned turntable 23 and
The benchmark for being electrically connected at above-mentioned control device 1 judges part 25.
The infrared sensor 21 has the detection faces 211 far from foregoing circuit plate 11, and infrared sensor
21 are electrically connected at the microcontroller 12 of control device 1.That is, letter received by the detection faces 211 of infrared sensor 21
It number can be transmitted to microcontroller 12, so that microcontroller 12 carries out corresponding judgement.In addition, the infrared sensor 21
Center line be defined as an axis C in this present embodiment, and it is infrared used by the infrared induction equipment 100 of the present embodiment
21 quantity of line sensor only need to be single, that is, the preferable implementation form of infrared induction equipment 100 of the invention is to exclude to make
With more than two infrared sensors 21；Furthermore infrared sensor 21 can be a burnt electric-type infrared induction element, can also
For a thermal imagery sensing element, can implement according to accurate demand consideration is detected.
The turntable 23 has one first ring body 231, is connected to one second ring body 232 of the first ring body 231 and is connected in
One transmission gear 233 of above-mentioned second ring body 232, and the outer diameter substantially phase of above-mentioned first ring body 231 and the second ring body 232
Together, outer diameter of the outer diameter of above-mentioned transmission gear 233 less than the second ring body 232.Wherein, the transmission gear 233 of the turntable 23
Inner edge is sheathed on 22 outer rim of bearing, and the center of transmission gear 233 and the center of the second ring body 232 are all located in above-mentioned axis
C.In addition, the transmission gear 233 is engaged in the driving gear 132 of drive module 13, to enable turntable 23 via driving mould
The driving of block 13, and rotated self using above-mentioned axis C as axle center.
Such as Fig. 4 and Fig. 5, the locating piece 24 is shell substantially hemispherical, and locating piece 24 is installed in the of turntable 23
Between one ring body 231 and the second ring body 232, and above-mentioned turntable 23 is stretched out, to make drive module 13 that turntable 23 be driven to revolve
When turning, locating piece 24 can rotate self in company with turntable 23 using above-mentioned axis C as axle center.It further says, the locating piece 24
Outer surface be round and smooth shape, and the inner surface of locating piece 24 is formed with a target positioning region 241 and multiple light collecting parts 242.Wherein,
The construction of above-mentioned target positioning region 241 is different from the construction of any light collecting part 242, and any light collecting part 242 can be semi-transparent
Or it is opaque, it is to construct to present with single convex lens, and target positioning region 241 is then in this present embodiment in this present embodiment
It is presented with the combination of multiple half convex lenses construction and shielding structure, locating piece 24 of the invention designs shell hemispherical, can
So that its detection area is approached any space of half, in other words, is set to infrared induction equipment 100 of the invention
A wall surface in cubic space, that is, may detect that the state in entire cubic space.
In addition, multiple light collecting parts 242 have a common focus with target positioning region 241, which is located substantially at
On axis C, and the focus is fallen in the detection faces 211 of infrared sensor 21.Accordingly, pass through the structure of target positioning region 241
The construction for being different from any light collecting part 242 is made, infrared signal can be made to be transferred to infrared ray biography via target positioning region 241
Signal strength caused by the detection faces 211 of sensor 21 is less than the infrared signal that is issued of external heat source 200 via any
Light collecting part 242 and be transferred to signal strength caused by the detection faces 211 of infrared sensor 21.
Further say, since any light collecting part 242 is to construct to present with single convex lens in this present embodiment, and target
Positioning region 241 is presented with the combination of multiple half convex lenses construction and shielding structure in this present embodiment；So working as infrared ray
When signal is transferred to the detection faces 211 of infrared sensor 21 via target positioning region 241, generated signal strength is big
Cause to be that infrared signal via any light collecting part 242 is transferred to signal caused by 21 detection faces 211 of infrared sensor strong
The half of degree.
According to upper described, since the locating piece 24 is hemispherical construction, so that the detection faces 211 of infrared sensor 21
The infrared signal outside infrared induction equipment 100 can be enabled via hemisphere in the mode being set in 24 focus of locating piece
Shape locating piece 24 and focus on 21 detection faces 211 of infrared sensor, to reach promotion signal by hemispherical locating piece 24
The effect of range of receiving.That is, hemispherical locating piece 24 can will be transferred to infrared signal thereon from any position
Be gathered in infrared sensor 21 so that infrared sensor 21 have by the setting of hemispherical locating piece 24 it is wider
Signal range of receiving.
In addition, the locating piece 24 is to reach to focus on the inspection of infrared sensor 21 with convex lens pattern in this present embodiment
The effect in survey face 211, but in practical application, the construction of locating piece 24 is not limited thereto.For example, locating piece 24 also obtains
Reached with the not shown reflecting mirror pattern of attached drawing or Fresenl mirror (Fresnel ' s lens) pattern and focuses on infrared ray sensing
The effect of the detection faces 211 of device 21.
Such as Fig. 6, the benchmark judge part 25 be for detect the target positioning region 241 of locating piece 24 revolve turn around it is required
Time, and be a unit time period (Tc) by the timing definition.In other words, benchmark judges that the effect of part 25 is to provide locating piece 24
The reference data of the start time point of rotation.And benchmark judges part 25 in this present embodiment be include be mounted on circuit board 11 and
It is electrically connected at an optical receiver 251 of microcontroller 12.Second ring body 232 of the turntable 23 is equipped with fixed corresponding to target
One standard 27 in position portion 241 is a reflecting piece 271 in this present embodiment, and when reflecting piece 271 is towards optical receiving set 251
When, optical receiver 251 is suitable for the optical signal reflected received from reflecting piece 271.Therefore, when reflecting piece 271 (target positioning region 241)
After being located at optical receiver 251, the rotation of turntable 23 turns around and optical receiving set 251 is made to receive the optical signal from reflecting piece 271
When, the signal that microcontroller 12 is transmitted via optical receiving set 251 can learn that turntable 23 (or target positioning region 241) rotates
Unit time period (Tc) needed for one circle.
In addition, being and to arrange in pairs or groups using reflecting piece 271 as standard 27 and judge that the light of part 25 connects as benchmark in the present embodiment
Device 251 is received, to reach the reference data effect for providing locating piece 24 and rotating starting reference time point, but in practical application, base
Standard judges that part 25 is not limited with optical receiver 251.For example, the benchmark judges that part 25 can also be used microswitch to arrange in pairs or groups
" bump structure " (i.e. bump structure is as standard 27) being set in the second ring body 232, is rotated with providing locating piece 24
Begin reference time point (not shown)；Or " blocking structure " in the second ring body 232 is set to for Photo Interrupter collocation and (is hidden
Structure of breaking is as standard 27), starting reference time point (not shown) is rotated to provide locating piece 24；In addition reflecting piece
271, which provide locating pieces 24, rotates starting reference time points, namely as rotation turn around in 0 ° and 360 ° of overlapping point, therefore, benchmark
Part 27 can also add reflecting piece 271 in 90 °, 180 ° and 270 ° to improve calibration accuracy.
Above is the brief description of the infrared induction equipment 100 of the present embodiment, then introduces the present embodiment below
The method for detecting heat source orientation, method it is following (please refer to Fig. 1 C, Fig. 7 to Fig. 9):
Above-mentioned infrared induction equipment 100 is provided, the specific configuration in relation to infrared induction equipment 100 is then not added at this
To repeat, when following the description refers to the element of infrared induction equipment 100, corresponding attached drawing is please considered in light of actual conditions in due course comprising
Steps are as follows:
Step 1 (S110): 12 order drive module 13 of the microcontroller running of the control device 1, to drive turntable 23
And locating piece 24 (target positioning region 241) thereon is rotated, and during target positioning region 241 rotates, passes through base
Standard judges that part 25 detects the rotation of target positioning region 241 and turns around required unit time period (Tc), while recording infrared induction and setting
Instant therm source situation in a standby 100 scanning range S.The instant therm source situation and the environment temperature that parameter preset is defined are equal
After value compares, if without the external heat source 200 both deposited, infrared induction equipment 100 updates instant therm source situation, as subsequent
Comparison foundation, and enter steady state, turntable 23 and locating piece 24 (target positioning region 241) thereon made to stop rotating,
And judge part 25 as stop position to benchmark is located at the target positioning region 241 on locating piece 24.Conversely, then carrying out step 3
Orientation judgement movement.
It should be noted that (such as when infrared ray sensing apparatus 100 is installed in and is equipped at least environment of an entrance 300
Figure 1B), which can be considered that 200 appearance point of an external heat source, the scanning range S of infrared induction equipment 100 are preferably
Cover above-mentioned entrance 300.And make the infrared induction equipment 100 in preparation state, the masking of target positioning region 241
Construction by it is non-towards above-mentioned entrance 300 in a manner of be arranged, thus avoid external heat source 200 from the entrance 300 disengaging when,
The infrared signal issued can not be transmitted into infrared sensor 21 from shielding structure, and then promote infrared induction equipment
The reaction speed of the 100 dynamic external heat sources 200 of detecting.
In addition, the infrared induction equipment 100 can be at 3 position of shell of the shielding structure of corresponding target positioning region 241
On be provided with a hand designations 31, consequently facilitating when user installs infrared induction equipment 100, detecting orientation needed for arranging
Positioning, namely arrange the region detected and infrared induction equipment 100 orientation is associated between the two, it can also be by direction mark
Show 31, by 241 shielding structure of target positioning region of the infrared induction equipment 100 in preparation state with non-towards above-mentioned discrepancy
The mode of mouth is arranged.
Step 2 (S120): hot in persistently being carried out in its scanning range S in the infrared induction equipment 100 for preparing state
Source detecting, locating piece 24 at this time is the state not rotated.It need to remark additionally, attached drawing is presented infrared in the present embodiment
100 scanning range S of line sensing apparatus is only to illustrate to be used, it is not limited to this.
Step 3 (S130): enter its scanning when infrared ray sensing apparatus 100 detects an external heat source 200 (such as: people)
When in range S (such as Fig. 7), implement orientation judgement movement, and the control device 1 optionally issues one and electrically believes
Number, to control an external device (ED) (such as: alarm device or radiator).In practical application, infrared induction equipment 100 can also
When detecting external heat source 200 (such as: people) into scanning range S, the detecting for carrying out environment temperature is compared, and works as environment temperature
When higher than 30 DEG C, the radiator (not shown) in scanning range S is made to enter preparation state.
Wherein, it judges whether external heat source 200 enters the mode of scanning range S in the present embodiment, is passed by infrared ray
Signal strength that sensor 21 is received judges.It further says, when the signal intensity profile that infrared sensor 21 is received
When different from the instant therm source situation updated in step 1 (S110), it is infrared that microcontroller is judged as that external heat source 200 enters
The scanning range S of line sensing apparatus 100.
In addition, above-mentioned orientation judgement movement includes: 12 order drive module 13 of the microcontroller fortune of the control device 1
Make, to drive turntable 23 and locating piece 24 (target positioning region 241) thereon to be rotated (such as Fig. 8 and Fig. 9).And it is fixed in target
During position portion 241 rotates, the rotation speed for controlling above-mentioned target positioning region 241 connects less than the signal of infrared sensor 21
Frequency is received, to avoid infrared sensor 21 has little time reaction and causes locating bias or the insufficient situation of signal amplitude.Yu Ben
In embodiment, control device 1 is that control 241 every revolution of target positioning region needs 20 seconds, and but not limited to this.Wherein, when
When control device 1 drives locating piece 24 to be rotated, the infrared signal that external heat source 200 is issued is via target positioning region
241 and be transferred to signal strength caused by the detection faces 211 of infrared sensor 21, be less than external heat source 200 issued
Infrared signal via any light collecting part 242 to be transferred to signal caused by the detection faces 211 of infrared sensor 21 strong
Degree.
The orientation judgement movement then carries out following 200 orientation of external heat source judgements:
It is defined as an azimuth plane P by a plane (such as: ground) for normal of the axis C, and centered on axis C
On azimuth plane P, benchmark judges that part 25 is defined as a reference bearing (0 °) corresponding to the position of azimuth plane P.
The infrared signal issued from external heat source 200 is transferred to infrared sensor via target positioning region 241
When 21 detection faces 211, the time point corresponding to unit time period (Tc) is defined as a heat source time point (Ts).Namely
It says, before heat source time point, the infrared signal that external heat source 200 is issued is not transmitted via target positioning region 241
To the detection faces 211 of infrared sensor 21.
Wherein, when external heat source 200 is when heat source time point, 241 orthographic projection of target positioning region in the position of azimuth plane P,
It is defined as a heat source azimuth angle theta x relative to the angle of reference bearing, and heat source azimuth angle theta x is via the micro- of control device 1
12 operation following the equation of controller and learn: 360 ° of x of θ x=(Ts/Tc).In addition, when learning above-mentioned heat source azimuth angle theta x,
The control device 1 optionally issues an electrical signals, to control the external device (ED).And in practical application, infrared ray
Sensing apparatus 100 can be when detecting external heat source 200 (such as: people) and being in a certain orientation time more than a setting value, and starting should
The radiator in orientation.
Step 4 (S140): after external heat source 200 leaves scanning range S, instant therm source situation is updated, and make described red
Outside line sensing apparatus 100 enters preparation state；Turntable 23 and locating piece 24 (target positioning region 241) thereon is set to stop rotating,
And the target positioning region 241 on locating piece 24 is judged into part 25 to benchmark is located at.In addition, when external heat source 200 leaves scanning model
After enclosing S, control device 1 optionally issues an electrical signals, to control the external device (ED).And in practical application, it is infrared
Line sensing apparatus 100 can close dissipating in scanning range S after detecting external heat source 200 (such as: people) and leaving scanning range S
Thermal.
Wherein, the present embodiment judges whether external heat source 200 has left the mode of scanning range S, is passed by infrared ray
Signal strength that sensor 21 is received judges.It further says, when the signal intensity profile that infrared sensor 21 is received
When being equal to the instant therm source situation that infrared sensor 21 is updated in step 1 (S110), microcontroller 12 is judged as
External heat source 200 has left the scanning range S of infrared induction equipment 100.
Whereby, infrared induction equipment 100 provided by the embodiment of the present invention and its method for detecting heat source orientation, have
Effect ground be transferred to using infrared signal via target positioning region 241 signal strength caused by infrared sensor 21 different from
It is transferred to produced by infrared sensor 21 via locating piece 24 position (such as light collecting part 242) other than target positioning region 241
Signal strength and the benchmark of infrared induction equipment 100 judge the cooperation of part 25 Yu target positioning region 241 so that described outer
Portion's heat source 200 can be measured promptly in the heat source azimuth angle theta x where particular point in time (i.e. heat source time point).
In addition, being due to judging that external heat source 200 enters or leave the mode of 100 scanning range S of infrared induction equipment
On the basis of the instant therm source situation updated in step 1 (S110) by single infrared sensor 21, as long as so infrared
100 scanning range S memory of line sensing apparatus can be ascertained in external heat source.Accordingly, the infrared induction equipment 100
And its method in detecting heat source orientation is can to carry out detecing for heat source azimuth angle theta x for static or dynamic external heat source 200
It surveys.
In addition, step 1, into step 4, which can also set it to dimension after being driven to rotate
The state of rotation is held until power-off or closing namely infrared induction equipment 100 is when being in preparation state, still make turntable 23 and its
On locating piece 24 (target positioning region 241) rotation, with increase detecting 200 reaction speed of external heat source and maintain it is the most real-time
Instant therm source situation.
It need to remark additionally, in above steps and be not particularly limited the chronomere of the unit time period (Tc),
That is the chronomere of unit time period (Tc) can be adjusted according to designer's demand.For example, in step 1
(S110) in, when can will judge that the detecting of part 25 rotation of target positioning region 241 is turned around by benchmark, total number of seconds definition of required consuming
For the unit time period, and unit time period is M seconds；And in orientation judgement movement, heat source time point is n-th second, and M is greater than
Equal to N, equation is then further defined in that x360 ° of θ x=(N/M).Alternatively, benchmark can will be passed through in step 1 (S110)
When judging that the detecting of part 25 rotation of target positioning region 241 is turned around, infrared sensor 21 is transferred to via target positioning region 241
Total number of frequencies is defined as the unit time period, and unit time period is R frequency；And in orientation judgement movement, heat source time point
For the Q frequency, R and Q are all positive integer, and R is more than or equal to Q, and party's formula is further defined in that 360 ° of x of θ x=(Q/R).
In addition, the construction of infrared induction equipment 100 described in the present embodiment is only as understanding present invention detecting heat source
The method in orientation is used, that is, under the premise of the method for meeting present invention detecting heat source orientation, infrared induction equipment 100
Be configured to adjusted according to designer's demand, do not limit to the method in detecting heat source orientation proposed by the invention.
Embodiment two
Referring to Fig. 10, it is the embodiment of the present invention two, the present embodiment is substantially similar with embodiment one, mutually exists together then not
It repeats again, and the difference of the two essentially consists in the locating piece 24 of arrangement for detecting 2, specific Discrepancy Description is as follows.
The inner surface of the present embodiment locating piece 24 is formed with target positioning region 241 and around the one of target positioning region 241
Around portion 243.Wherein, the construction of target positioning region 241 is different from the construction around portion 243, and infrared signal can be made via mesh
It marks positioning region 241 and is transferred to signal strength caused by infrared sensor 21, be greater than infrared signal via around portion
243 and be transferred to signal strength caused by infrared sensor 21.
It further says, it is with multiple in this present embodiment that the target positioning region 241, which can be semi-transparent or opaque,
The combination of half convex lens construction and shielding structure is presented, and around portion 243 in this present embodiment then includes the optically focused ring of a c-type
Around portion 2431 and positioned at a shield ring of the above-mentioned optically focused in portion 2431 around portion 2432.Wherein, the optically focused is around portion 2431
Two ends be connected in the outermost end of target positioning region 241, that is, optically focused is that outmost turns in locating piece 24 are convex around portion 2431
Lens construction, thus detecting whether appearance as detecting external heat source 200.In addition, the target positioning region 241 has a coke
Point, and the focus is fallen in the detection faces 211 of infrared sensor 21.
And in step 3 (S130), when control device 1 drives locating piece 24 to be rotated, external heat source 200 is sent out
Infrared signal out is transferred to signal strength caused by infrared sensor 21 via target positioning region 241, different from
The infrared signal that external heat source 200 is issued is transferred to signal caused by infrared sensor 21 via around portion 243
Intensity.Furthermore, in this present embodiment, the infrared signal that external heat source 200 is issued is only capable of positioning via target
Portion 241 or optically focused surround portion 2431 and are transferred to infrared sensor 21, and can not be transferred to via shield ring around portion 2432
Infrared sensor 21.And in practical application, infrared induction equipment 100 is the locating piece 24 with the present embodiment, to carry out heat
Record need to only be revolved the complete signal wave that turn around when control device 1 drives locating piece 24 to be rotated by source position detecting
Type appraises and decides amplitude highest point in the opposite wave mode section of unit time period (Tc), is considered as a heat source time point (Ts), can calculate heat
Source orientation.
Embodiment three
Figure 11 and Figure 12 are please referred to, is the embodiment of the present invention three, the present embodiment is substantially similar with embodiment two, identical
Place then repeats no more, and the difference of the two essentially consists in the locating piece 24 of arrangement for detecting 2, and the present embodiment further includes
One corresponding to locating piece 24 focuses part 26, and specific Discrepancy Description is as follows.
The focusing part 26 is installed on shell 3 and covers at outside locating piece 24, focuses part 26 and is formed with multiple light collecting parts
261, and locating piece 24 is formed with target positioning region 241 and surround portion 243 around the one of target positioning region 241.Wherein, any
Light collecting part 261 is to construct to present with single convex lens, and the construction of target positioning region 241 is different from around portion in this present embodiment
243 construction, and infrared signal can be made to be transferred to infrared ray sensing via any light collecting part 261 and target positioning region 241
Signal strength caused by device 21 is less than the infrared signal that is issued of external heat source 200 via any light collecting part 261 and ring
Signal strength caused by infrared sensor 21 is transferred to around portion 243.
It further says, it is with semi-convex in this present embodiment that the target positioning region 241, which can be semi-transparent or opaque,
Light transmission structure is presented, that is, target positioning region 241 can cover half of convex lens construction of above-mentioned light collecting part 261, and around portion
243 are presented with light transmission structure in this present embodiment.In addition, multiple light collecting parts 242 have a common focus, the coke
Point is fallen on infrared sensor 21.
And in step 3 (S130), when control device 1 drives locating piece 24 to be rotated, focuses part 26 and keep not
It is dynamic, and the infrared signal that external heat source 200 is issued is transferred to red via any light collecting part 261 and target positioning region 241
Signal strength caused by outside line sensor 21 is less than the infrared signal that is issued of external heat source 200 via any optically focused
Portion 261 is transferred to signal strength caused by infrared sensor 21 with around portion 243.Furthermore, in this implementation
In example, after the infrared signal that external heat source 200 is issued passes through any light collecting part 261 for focusing part 26, when fixed by target
The signal that half is had when the portion 241 of position is shielded, but by around portion 243 when can be directly through so that signal strength be not
Together.
Accordingly, the great advantage of infrared induction equipment 100 provided by the present embodiment, which is to fix, focuses part 26, makes
The 21 received infrared signal of institute of infrared sensor is more stable.
Example IV
Figure 13 is please referred to, is the embodiment of the present invention four, the present embodiment is substantially similar with embodiment three, mutually exists together then not
It repeats again, and the target positioning region 241 that the difference of the two essentially consists in the present embodiment is presented with hollow out or complete light transmission structure,
It and is then with the presentation of semi-transparent construction around portion 243.
It further says, is presented by target positioning region 241 with hollow out or complete light transmission structure, can make to penetrate any optically focused
The infrared signal in portion 261 and target positioning region 241 is fully focused and is transmitted on infrared sensor 21.In addition, by surrounding
Portion 243 is presented with semi-transparent construction, and the infrared signal that the external heat source 200 can be made to be issued is via light collecting part 261 and mesh
It marks positioning region 241 and is transferred to signal strength caused by infrared sensor 21, it is red much larger than what external heat source 200 was issued
Outside line signal is transferred to signal strength caused by infrared sensor 21 with around portion 243 via any light collecting part 261.
Therefore, the present embodiment is in practical application, when there is external heat source 200 to enter scanning range S, infrared signal warp
By focusing part 26 with around portion 243 and the signal strength that is transferred to infrared sensor 21 is smaller, but control device 1 can still recognize
Judgement, and then drive locating piece 24 to be rotated, and track external heat source 200 using target positioning region 241.
The present embodiment biggest advantage is: infrared induction equipment 100 can precisely judge the side of multiple external heat source 200
Position, or further detect the intensity of external heat source 200.It further says, infrared induction equipment 100 can be for external heat
The static orientation that external heat source 200 is defined with mobile state in source 200, or the amplitude size using infrared signal
To define the intensity of external heat source 200.
In foregoing embodiments, infrared signal must be transferred to infrared sensor 21 by locating piece 24, wherein fixed
Position part 24 is equipped with target positioning region 241 again, is used as location tracking external heat source 200.And in addition to target is fixed on locating piece 24
Outside position portion 241, can also be equipped with around portion 243 (embodiment three, example IV), optically focused around portion 2431 (embodiment two) or
Light collecting part 242 (embodiment one), so that above-mentioned entrance or the external heat source 200 when being present in scanning range S are issued
Infrared signal passes to infrared sensor 21, and then the orientation judgement movement of starting step three (S130).It is actually using
On, it can be in separately adding the detecing element 32 being electrically connected with control device 1 on shell 3, to realize detecting angle or detect
The demand of survey condition, and reach and avoid judging by accident and more can accurately detecting whether external heat source 200 enters scanning range S.
And the sensing medium of above-mentioned detecing element 32 can be infrared ray, ultrasonic or visible light, it is without restriction herein.
Embodiment five
Figure 14 is please referred to, is the embodiment of the present invention five, the present embodiment is substantially similar with embodiment three, mutually exists together then not
It repeats again, and the difference of the two essentially consists in the structure design of the locating piece 24 of the present embodiment.
Specifically, the locating piece 24 of the present embodiment has a target positioning region 241 and multiple around target positioning region
241 light collecting part 242, above-mentioned target positioning region 241 is the convex lens construction presentation with multiple arranged adjacents, and each light collecting part
242 be to construct to present with single convex lens.In addition, the size of each light collecting part 242 is convex less than any of target positioning region 241
Lens sizes, multiple light collecting parts 242 are arranged in the C-shaped form of multiple phases repeatedly around target positioning region 241, and on
The quantity for stating C-shaped form is greater than the convex lens construction quantity that target positioning region 241 is included.
Whereby, locating piece 24 through this embodiment designs, and infrared signal can be made to transmit via target positioning region 241
To signal strength caused by the infrared sensor 21, it is greater than infrared signal and is transferred to via any light collecting part 242
Signal strength caused by infrared sensor 21.
In conclusion the device and method in detecting heat source orientation provided by the embodiment of the present invention, are effectively utilized red
Outside line signal is transferred to signal strength caused by infrared sensor different from via target positioning region via target positioning region
Locating piece position in addition and the benchmark for being transferred to signal strength caused by infrared sensor and infrared induction equipment are sentenced
The cooperation of broken piece and target positioning region, so that the external heat source is in the heat source side where particular point in time (i.e. heat source time point)
Parallactic angle can be measured promptly.
In addition, being to pass through list due to judging that external heat source enters or leave the mode of infrared induction equipment scanning range
On the basis of the instant therm source situation that a infrared sensor is updated in step 1 (S110), as long as so infrared induction is set
Standby scanning range memory can be ascertained in external heat source.Accordingly, it is described detecting heat source orientation device and method be can
The azimuthal detecting of heat source and tracking are carried out for static or dynamic external heat source, and then issues control signal in due course, with
External device (ED) is opened and closed, such as: lamps and lanterns, electric fan or warning sound.
In addition, hemispherical locating piece provided by the present embodiment, thereon infrared can will be transferred to from any position
Line signal is gathered in infrared sensor so that infrared sensor have by the setting of hemispherical locating piece it is wider
Signal range of receiving, and simplicity is set and does not hinder space beauty.
Further, the device and method in detecting heat source orientation provided by the embodiment of the present invention, by red without rotating
The framework of outside line sensor, to substantially lower the noise of signal transmitting.The equipment in the detecting heat source orientation can also be by red
It is provided with bearing between outside line sensor and turntable, come friction generated when reducing turntable rotation, so that driving power consumption is reduced,
And the stability of receiving infrared-ray signal is improved, and then effectively improve the service life of the equipment in the detecting heat source orientation.
The foregoing is merely preferable possible embodiments of the invention, are not used to limit to protection scope of the present invention, all
The equivalent change and modification made according to the scope of the present invention, are all covered by the present invention.
Claims (13)
1. a kind of equipment for detecting heat source orientation characterized by comprising
One control device includes:
One circuit board；
One microcontroller is electrically connected at the circuit board；And
One drive module is electrically connected at the circuit board, and the drive module is reached via the circuit board with the controller
At electric connection；And
One arrangement for detecting includes:
One turntable is connected on the drive module；
One standard is set to the turntable；
Positioning piece is installed on the turntable, and the turntable can be via the driving of the drive module and using an axis as axle center
Self rotation；Wherein, which is equipped with a target positioning region；
One infrared sensor is electrically connected at the circuit board, is transmitted into detecting dress for receiving via the locating piece
The infrared signal set, and the infrared signal is transferred to produced by the infrared sensor via the target positioning region
Signal strength, it is infrared via the locating piece position other than the target positioning region to be transferred to this different from the infrared signal
Signal strength caused by line sensor；And
One benchmark judges part, is electrically connected at the control device, and standard for being set to the turntable of arranging in pairs or groups is as this
The reference data of the start time point of target positioning region when rotated.
2. the equipment in detecting heat source orientation as described in claim 1, which is characterized in that the locating piece is formed with around the mesh
Multiple light collecting parts of positioning region are marked, multiple light collecting parts and the target positioning region have a common focus, which falls within
On the infrared sensor；And the construction of the target positioning region is different from the construction of any light collecting part, and the infrared ray can be made to believe
Number it is transferred to signal strength caused by the infrared sensor via the target positioning region, is passed through different from the infrared signal
Signal strength caused by the infrared sensor is transferred to as any light collecting part.
3. the equipment in detecting heat source orientation as described in claim 1, which is characterized in that the locating piece is formed with around the mesh
It marks the one of positioning region and surround portion, which has a focus, which falls on the infrared sensor；The target is fixed
The construction in position portion is different from the construction in the circular portion, and it is red that the infrared signal can be made via the target positioning region to be transferred to this
Signal strength caused by outside line sensor is transferred to the infrared ray sensing via the circular portion different from the infrared signal
Signal strength caused by device.
4. the equipment in detecting heat source orientation as described in claim 1, which is characterized in that the arrangement for detecting includes to correspond to be somebody's turn to do
The one of locating piece focuses part, which is formed with multiple light collecting parts, and the locating piece is formed with around the target positioning region
One around portion, multiple light collecting parts have a common focus, which falls on the infrared sensor；And the mesh
The construction of mark positioning region is different from the construction of any light collecting part, and the infrared signal can be made via any light collecting part and the target
Positioning region and be transferred to signal strength caused by the infrared sensor, be less than the infrared signal via any light collecting part
Signal strength caused by the infrared sensor is transferred to the circular portion.
5. the equipment in detecting heat source orientation as described in claim 1, which is characterized in that the equipment in the detecting heat source orientation is fixed
Justice has a scanning range and has further included a detecing element；Wherein, which is electrically connected the detecing element, for detecing
Whether survey has external heat source to enter the scanning range.
6. the equipment in detecting heat source orientation as described in claim 1, which is characterized in that the equipment in the detecting heat source orientation is more
Including a shell, which is equipped with a hand designations, for that can detect convenient for arrangement when installing the equipment in the detecting heat source orientation
The positioning of interception.
7. it is a kind of detect heat source orientation method, which is characterized in that it is described detecting heat source orientation method include:
One infrared induction equipment is provided, there is a control device and is electrically connected at an arrangement for detecting of the control device；
Wherein, which includes:
One target positioning region can rotate self using an axis as axle center；
One infrared sensor；And
One benchmark judges part, is electrically connected at the control device, and the benchmark judges that part is used as the target positioning region
The reference data of a start time point when rotated；Implementing detecting, steps are as follows:
Step 1: the control device by the benchmark judge part detect the target positioning region rotation turn around a required unit when
Section (Tc), and so that the target positioning region is stopped rotating, and judge part to the benchmark is located at；
Step 2: heat source detecting is carried out in one scanning range with the infrared induction equipment；And
Step 3: when the infrared induction equipment sensing a to external heat source enters in its scanning range, which is driven
It moves the target positioning region to be rotated, and carries out the orientation judgement movement of following external heat sources:
It is an azimuth plane by a plane definition of normal of the axis, and on the azimuth plane centered on the axis, the base
Standard judges that part is defined as a reference bearing (0 °) corresponding to the position of the azimuth plane；
When the infrared signal issued from the external heat source is transferred to the infrared sensor via the target positioning region,
Its time point for corresponding to the unit time period is defined as a heat source time point (Ts)；
When the external heat source is when the heat source time point, the target positioning region orthographic projection in the position of the azimuth plane, relative to
The angle of the reference bearing is defined as a heat source azimuth (θ x), and the heat source azimuth is following via the control device operation
Equation and learn: x360 ° of θ x=(Ts/Tc)；And
Step 4: when the infrared induction equipment sensing to the external heat source leaves in its scanning range, the target positioning region
It optionally stops rotating, and judge part to the benchmark is located at.
8. the method in detecting heat source orientation as claimed in claim 7, which is characterized in that the step 1 includes: it is infrared to record this
Instant therm source situation in the scanning range of line sensing apparatus.
9. the method in detecting heat source orientation as claimed in claim 7, which is characterized in that in the step 3, when the infrared ray
When sensing apparatus detects an external heat source into its scanning range, which optionally issues an electrical signals,
To control an external device (ED).
10. the method in detecting heat source orientation as claimed in claim 7, which is characterized in that in the step 3, when learning the heat
When source azimuth angle, which optionally issues an electrical signals, to control an external device (ED).
11. the method in detecting heat source orientation as claimed in claim 7, which is characterized in that in the step 4, when the infrared ray
Sensing apparatus detects the external heat source when leaving in its scanning range, which optionally issues an electrical letter
Number, to control an external device (ED).
12. the method in detecting heat source orientation as claimed in claim 7, which is characterized in that in the step 1 to four, the target
Positioning region maintains the state of rotation after being driven.
13. the method in detecting heat source orientation as claimed in claim 7, which is characterized in that in the step 1, pass through the benchmark
Judge that part detects the target positioning region rotation when turning around, the frequency of the infrared sensor is transferred to via the target positioning region
Sum is defined as the unit time period, and the unit time period is R frequency；And in the step 3, which is Q
A frequency, R are more than or equal to Q, and party's formula is further defined in that x360 ° of θ x=(Q/R).
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| EP1972962A2 (en) * | 2007-03-20 | 2008-09-24 | ERA Systems Corporation | Transmitter independent techniques to extend the performance of passive coherent location |
| CN101363889A (en) * | 2008-09-10 | 2009-02-11 | 俞惟铨 | Small-sized embedded radio monitoring and direction-finding station system |
| CN101604012A (en) * | 2008-06-11 | 2009-12-16 | 索尼株式会社 | Signal processing apparatus, signal processing method and program |
| CN102090788A (en) * | 2010-11-28 | 2011-06-15 | 青岛理工大学 | Infrared inductive full-automatic intelligent dining table |
| CN203691541U (en) * | 2014-01-17 | 2014-07-02 | 温州职业技术学院 | High-speed all-direction tracking and monitoring apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1972962A2 (en) * | 2007-03-20 | 2008-09-24 | ERA Systems Corporation | Transmitter independent techniques to extend the performance of passive coherent location |
| CN101604012A (en) * | 2008-06-11 | 2009-12-16 | 索尼株式会社 | Signal processing apparatus, signal processing method and program |
| CN101363889A (en) * | 2008-09-10 | 2009-02-11 | 俞惟铨 | Small-sized embedded radio monitoring and direction-finding station system |
| CN102090788A (en) * | 2010-11-28 | 2011-06-15 | 青岛理工大学 | Infrared inductive full-automatic intelligent dining table |
| CN203691541U (en) * | 2014-01-17 | 2014-07-02 | 温州职业技术学院 | High-speed all-direction tracking and monitoring apparatus |
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