CN105823562B - Imaging device, imaging method and the air conditioner of infrared sensor - Google Patents
Imaging device, imaging method and the air conditioner of infrared sensor Download PDFInfo
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- CN105823562B CN105823562B CN201511016577.2A CN201511016577A CN105823562B CN 105823562 B CN105823562 B CN 105823562B CN 201511016577 A CN201511016577 A CN 201511016577A CN 105823562 B CN105823562 B CN 105823562B
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- 238000003384 imaging method Methods 0.000 title claims abstract description 43
- 238000001931 thermography Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000013506 data mapping Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
Abstract
The present invention proposes that a kind of imaging device of infrared sensor, imaging method and air conditioner, the device include：Infrared array sensor, wherein infrared array sensor is obliquely installed relative to vertical direction；Drive the driver of infrared array sensor rotation；And controller, the temperature data that controller is used to control driver and obtain infrared array sensor generation, and thermal image is generated according to temperature data.The present invention improves the resolution ratio of the thermography generated according to temperature data, and then provides more accurate heat source information.
Description
Technical field
The present invention relates to infrared imagery technique field, more particularly to a kind of imaging device of infrared sensor, imaging method
And air conditioner.
Background technology
Object of any temperature more than absolute zero all can give off infrared ray because of the molecular motion of itself.Pass through
After the power signal of object radiation is converted into electric signal by infrared detector, the output signal of imaging device can completely one by one
The accordingly spatial distribution of analog scanning body surface temperature, is handled through electronic system, is reached on display screen, is obtained and object table
The corresponding thermography of face heat distribution.With this method, it just can realize and remote Warm status image imaging is carried out to target and is surveyed
Temperature is simultaneously analyzed and determined.Currently, infrared radiation thermometer and thermal infrared imager are widely used power plant, steel mill, heavy duty machine tools and
The multiple fields such as electric inspection process, forest fire protection and household electrical appliance.
Use the array-type sensor (such as 8x8,16x4 array) of low cost mostly in household appliance technical field at present, it is this
Array-type sensor resolution ratio is relatively low, it is difficult to meet practical application request.In order to expand investigative range, traditional way is biography
Sensor is mounted on rotating mechanism, is imaged by scan mode.Such as the relevant technologies disclose a kind of air conditioner indoor unit,
In include the wisdom eye component with infrared sensor.The wisdom eye component includes sensor, installation part, drive plate and electricity
Machine.Motor connects infrared sensor by transmission mechanism, drives in a certain range of infrared sensor in the horizontal direction back and forth
Scanning.Although the visual field can be expanded in this way, imaging resolution still cannot be improved, point that especially can not be in vertical direction
Resolution causes heat source information not accurate enough.
Invention content
The present invention is directed to solve at least to a certain extent it is above-mentioned in the related technology the technical issues of one of.
For this purpose, an object of the present invention is to provide a kind of imaging device of infrared sensor, the arrangement increases roots
According to the resolution ratio for the thermography that temperature data generates, and then provide more accurate heat source information.
It is another object of the present invention to propose a kind of imaging method of infrared sensor.
Third object of the present invention is to propose a kind of air conditioner.
To achieve the goals above, the embodiment of first aspect present invention proposes a kind of imaging dress of infrared sensor
It sets, including：Infrared array sensor, wherein the infrared array sensor is obliquely installed relative to vertical direction；Described in driving
The driver of infrared array sensor rotation；And controller, the controller is for controlling described in the driver and acquisition
The temperature data that infrared array sensor generates, and thermal image is generated according to the temperature data.
The imaging device of infrared sensor according to the ... of the embodiment of the present invention, by infrared array sensor relative to vertical direction
It is obliquely installed so that the pixel of scanning in vertical direction increases, and improves point of the thermography generated according to temperature data
Resolution, and then more accurate heat source information is provided.
In addition, the imaging device of infrared sensor according to the above embodiment of the present invention can also have following additional skill
Art feature：
In some instances, the controller is by the Temperature data mapping to interim thermal image, and is faced according to described
When thermal image generate the thermal image.
It in some instances, will be in the Temperature data mapping to interim thermal image by following formula：
X '=xcos θ+ysin θ+k δ,
Y '=ycos θ-xsin θ+h,
Wherein, x, y are respectively the abscissa and ordinate of infrared array sensor origin, x ', y ' it is respectively interim thermal map
Coordinate as in, θ are angle of inclination of the infrared array sensor relative to the vertical direction, and δ is the driver
Sweep spacing angle, k are the step number that the driver drives infrared array sensor rotation, wherein k=0,1,2......L, L
A required total step number of scanning is completed in scanning range for the driver, h is the origin O of the infrared array sensor
The distance between origin O ' of the interim thermal image.
In some instances, the thermal image and the interim thermal image have multiple grids, wherein when the thermal image
In the position of i-th of grid when being overlapped with the position of i-th of grid of the interim thermal image, by the of the interim thermal image
Temperature value of the corresponding temperature value of i grid as i-th of grid in the thermal image；When i-th of net in the thermal image
When the position of lattice and the misaligned position of i-th of grid of the interim thermal image, obtain i-th described in the interim thermal image
The temperature value of a multiple grids in grid periphery, and generated according to the temperature value of the multiple grid i-th in the thermal image
The temperature value of grid.
In some instances, the infrared array sensor is 3-27 ° relative to the tilt angle theta of the vertical direction.
In some instances, the sweep spacing angle δ of the driver is obtained by following formula：δ=α sin θs, wherein
α is the average viewing angle of each pixel in the infrared array sensor.
The embodiment of second aspect of the present invention also proposed a kind of imaging method of infrared sensor, include the following steps：
Obtain the temperature data that infrared array sensor generates, wherein the infrared array sensor is set relative to vertical direction inclination
It sets；Thermal image is generated according to the temperature data.
The imaging method of infrared sensor according to the ... of the embodiment of the present invention, by infrared array sensor relative to vertical direction
It is obliquely installed so that the pixel of scanning in vertical direction increases, and improves point of the thermography generated according to temperature data
Resolution, and then more accurate heat source information is provided.
The embodiment of third aspect present invention also proposed a kind of air conditioner, including：Mounting seat；Infrared sensor battle array
Row, wherein inclined vertically setting of the infrared array sensor relative to the mounting seat.
Air conditioner according to the ... of the embodiment of the present invention, by infrared array sensor relative to the inclined vertically of mounting seat
Setting so that the pixel of scanning in vertical direction increases, and improves the resolution ratio of the thermography generated according to temperature data,
And then provide more accurate heat source information.
In addition, air conditioner according to the above embodiment of the present invention can also have following additional technical characteristic：
In some instances, angle of inclination of the infrared array sensor relative to the vertical direction of the mounting seat
θ is 3-27 °.
In some instances, when the infrared array sensor is the array of 8*8, the infrared array sensor is opposite
In the mounting seat vertical direction tilt angle theta be 5-9 °.
In some instances, when the infrared array sensor is the array of 16*4, the infrared array sensor phase
Tilt angle theta for the vertical direction of the mounting seat is 12-16 °.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the structure diagram of the imaging device of infrared sensor according to the ... of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the imaging device of infrared sensor according to an embodiment of the invention；
Fig. 3 is schematic diagram of the Temperature data mapping according to an embodiment of the invention to interim thermal image；
Fig. 4 is the pixel center distribution schematic diagram of infrared array sensor according to an embodiment of the invention；
Fig. 5 is the angle of inclination schematic diagram of infrared array sensor according to an embodiment of the invention；
Fig. 6 is the imaging results schematic diagram of the imaging device of infrared sensor according to an embodiment of the invention；
Fig. 7 is the flow chart of the imaging method of infrared sensor according to the ... of the embodiment of the present invention；And
Fig. 8 is the structure diagram of air conditioner according to the ... of the embodiment of the present invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
The imaging device, imaging method and air-conditioning of infrared sensor according to the ... of the embodiment of the present invention are described below in conjunction with attached drawing
Device.
Fig. 1 is the structure diagram of the imaging device of infrared sensor according to an embodiment of the present invention.As shown in Figure 1, should
The imaging device 100 of infrared sensor includes：Infrared array sensor 110, driver 120 and controller 130.
Wherein, infrared array sensor 110 is obliquely installed relative to vertical direction.It should be noted that herein vertical
Direction be, for example, perpendicular to the direction on ground, or perpendicular to install the imaging device 100 mounting surface direction.Driver
120 for driving infrared array sensor 110 to rotate.Controller 130 is for controlling driver 120 and obtaining infrared sensor battle array
The temperature data that row 110 generate, and thermal image is generated according to temperature data.
In specific example, in conjunction with shown in Fig. 2, driver 120 is, for example, stepper motor, passes through transmission shaft 1 and installation
Part 2 is connected.Infrared array sensor 110 is inclined on installation part 2, and stepper motor drives 2 water of installation part by transmission shaft 1
Flat reciprocating rotation, and then infrared array sensor 110 is made to rotate, to be scanned to examined object in its scanning range,
And read temperature data.
More specifically, controller 130 is for example for by the Temperature data mapping got to interim thermal image, and root
Thermal image is generated according to the interim thermal image.Specifically, the temperature data for example read every time is f (x, y), x=1 ..., n,
Y=1 ..., m, wherein m is the number of pixels of infrared array sensor 110 in vertical direction, and n is infrared array sensor
110 number of pixels in the horizontal direction.Further, f (x, y) is coordinately transformed, it will be in infrared array sensor 110
Each pixel correspond in interim thermal image g (x ', y '), the coordinate transform formula is as follows：
X '=xcos θ+ysin θ+k δ,
Y '=ycos θ-xsin θ+h,
Wherein, x, y are respectively the abscissa and ordinate of 110 origin of infrared array sensor, x ', y ' it is respectively interim heat
Coordinate in image, θ are angle of inclination of the infrared array sensor 110 relative to vertical direction, and δ is the scanning of driver 120
Interval angles, k are the step number that driver 120 drives infrared array sensor 110 to rotate, wherein k=0,1,2......L, L are
Driver 120 completed in scanning range one time scanning needed for total step number, h be infrared array sensor 110 origin O with face
When thermal image the distance between origin O ', such as shown in Fig. 3.
Further, in one embodiment of the invention, above-mentioned thermal image and interim thermal image are for example with multiple
Grid, wherein, will be interim when the position of i-th of grid is overlapped with the position of i-th of grid of interim thermal image in thermal image
Temperature value of the corresponding temperature value of i-th of grid of thermal image as i-th of grid in thermal image；When i-th in thermal image
When the position of grid and the misaligned position of i-th of grid of interim thermal image, i-th of grid periphery in interim thermal image is obtained
The temperature value of multiple grids, and according to the temperature value of i-th of grid in the temperature value of multiple grids generation thermal image.As tool
Body ground example, such as thermal image is uniformly divided into M*N grids, M is the height of thermal image, and N is the width of thermal image, each grid
A pixel as in thermal image.To infrared temperature data g (i, j), the i=1 of each pixel ..., M, j=1 ..., N leads to
Cross and search respective pixel temperature value in interim thermal image g (x ', y '), if exist in interim thermal image g (x ', y ') just with
The corresponding temperature value of coordinate (i, j) then directly takes out and, otherwise searches nearest 4 neighbour's temperature values and obtained finally into row interpolation
G (i, j) value, to obtain final target super resolution thermal-induced imagery.
In some instances, infrared array sensor 110 can be according to actual demand relative to the tilt angle theta of vertical direction
And it adjusts.More specifically, infrared array sensor 110 can be by infrared biography relative to the optimum tilt angle θ of vertical direction
The horizontal pixel points n of sensor array 110 is calculated, so that all pixels of infrared array sensor 110 are evenly distributed
In vertical direction, θ should meet at this time：Tan θ=1/n.
Preferably, in one embodiment of the invention, tilt angle theta of the infrared sensor 110 relative to vertical direction
For example, 3-27 °.
As specifically example, such as shown in Fig. 4, the pixel center distribution signal of infrared array sensor 110 is illustrated
Figure.Infrared array sensor 110 is for example made up of peripheral circuit and infrared induction component 1101.In specific example, such as
Shown in Fig. 5, such as 8x4 infrared array sensors are selected, each origin is the coordinate center of infrared induction component 1101.In order to
The super-resolution infrared image for including 32 pixels in vertical direction is got, then mounting inclination angle degree meets following condition：tan
θ=1/4, and then can solve to obtain 14 ° of θ ≈.
Further, in order to keep the pel spacing in horizontal direction consistent with the pel spacing in vertical direction, driver
120 driving 110 sweep spacing angle δs in the horizontal direction of infrared array sensor are obtained by following formula：δ=α sin θs,
Middle α is the average viewing angle of each pixel in infrared array sensor 110, and size is 110 horizontal view angle of infrared array sensor
1/4.
Such as the infrared sensor horizontal view angle selected by the present embodiment is 24 °, vertical direction upward angle of visibility is 48 °, then
The average viewing angle α of each pixel is 6 ° in infrared array sensor.Sweep spacing angle δ between often being walked so in scanning process
=6 ° of 1.45 ° of * sin (14 °) ≈.Infrared array sensor is driven to scan one every 1.45 ° by stepper motor in the horizontal direction
It is secondary, obtain the super-resolution infrared image that resolution ratio as shown in FIG. 6 improves 4 times, clarity will be original 4 times, and
The scanning of horizontal direction, which is divided into, to be obtained by setting device scanning range, the standard of such temperature profile analysis and heat source detection
True property will be all very significantly improved.
To sum up, the imaging device of infrared sensor according to the ... of the embodiment of the present invention, by infrared array sensor relative to perpendicular
Histogram is to being obliquely installed so that the pixel of scanning in vertical direction increases, and improves the thermal imagery generated according to temperature data
The resolution ratio of figure, and then more accurate heat source information is provided.
Further embodiment of the present invention also proposed a kind of imaging method of infrared sensor.
Fig. 7 is the flow chart of the imaging method of infrared sensor according to an embodiment of the invention.As shown in fig. 7, should
Method includes the following steps：
Step S1：Obtain the temperature data that infrared array sensor generates, wherein infrared array sensor is relative to vertical
Direction is obliquely installed.It should be noted that vertical direction herein is, for example, perpendicular to the direction on ground, or perpendicular to installation
The direction of the mounting surface of infrared array sensor.Infrared sensor is driven in specific implementation process, such as by stepper motor
Array rotates, so that infrared array sensor scans examined object in its scanning range, and generates temperature data.
Step S2：Thermal image is generated according to temperature data.
It should be noted that the specific implementation of the imaging method of the infrared sensor of the embodiment of the present invention and the present invention
The specific implementation of the imaging device of the infrared sensor of embodiment is similar, specifically refers to the description of device part, in order to
Redundancy is reduced, is not repeated.
To sum up, the imaging method of infrared sensor according to the ... of the embodiment of the present invention, by infrared array sensor relative to perpendicular
Histogram is to being obliquely installed so that the pixel of scanning in vertical direction increases, and improves the thermal imagery generated according to temperature data
The resolution ratio of figure, and then more accurate heat source information is provided.
Further embodiment of the present invention also proposed a kind of air conditioner.
Fig. 8 is the structure diagram of air conditioner according to an embodiment of the invention.As shown in figure 8, the air conditioner 200 wraps
It includes：Mounting seat 210 and infrared array sensor 220.
Wherein, inclined vertically setting of the infrared array sensor 220 relative to mounting seat 210.Preferably, at this
In one embodiment of invention, tilt angle theta example of the infrared array sensor 220 relative to the vertical direction of mounting seat 210
Such as it is 3-27 °.
In some instances, when infrared array sensor 220 be 8*8 array when, infrared array sensor 220 relative to
The tilt angle theta of the vertical direction of mounting seat 210 is 5-9 °.The value range calculating principle of θ is specially：According to θ=1/ tan
N, n are the pixel of horizontal direction, and n=8, acquires 7 ° of θ ≈ at this time, add 2 ° of range respectively to bound on this basis, most
The value range of θ is 5-9 ° afterwards.
When infrared array sensor 220 is the array of 16*4, infrared array sensor 220 is relative to mounting seat 210
Vertical direction tilt angle theta be 12-16 °.The calculating principle of the value range of θ is：It is level side according to tan θ=1/n, n
To pixel, n=4, acquires 14 ° of θ ≈ at this time, adds 2 ° of range, the value model of last θ respectively to bound on this basis
Enclose is 12-16 °.
It should be noted that infrared array sensor included by the air conditioner of the embodiment of the present invention for example in the present invention
The infrared array sensor stated included by the imaging device of the infrared sensor of embodiment is identical, therefore, the embodiment of the present invention
The specific implementation of air conditioner is similar with the specific implementation of the imaging device of the infrared sensor of the embodiment of the present invention, tool
Body refers to the description of device part, in order to reduce redundancy, does not repeat.
To sum up, air conditioner according to the ... of the embodiment of the present invention, the Vertical Square by infrared array sensor relative to mounting seat
To being obliquely installed so that the pixel of scanning in vertical direction increases, and improves the thermography generated according to temperature data
Resolution ratio, and then more accurate heat source information is provided.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (11)
1. a kind of imaging device of infrared sensor, which is characterized in that including：
Infrared array sensor, wherein the infrared array sensor is obliquely installed relative to vertical direction, the infrared sensing
Device array meets relative to the tilt angle theta of vertical direction：Tan θ=1/n, wherein n is the horizontal picture of infrared array sensor
Vegetarian refreshments number；
Drive the driver of the infrared array sensor rotation；And
Controller, the controller are used to control the driver and obtain the temperature number that the infrared array sensor generates
According to, and according to temperature data generation thermal image.
2. the imaging device of infrared sensor as described in claim 1, which is characterized in that the controller is by the temperature number
The thermal image is generated according to being mapped in interim thermal image, and according to the interim thermal image.
3. the imaging device of infrared sensor as claimed in claim 2, which is characterized in that by following formula by the temperature
Data are mapped in interim thermal image：
X '=xcos θ+ysin θ+k δ,
Y '=ycos θ-xsin θ+h,
Wherein, x, y are respectively the abscissa and ordinate of infrared array sensor origin, x ', y ' it is respectively in interim thermal image
Coordinate, θ be angle of inclination of the infrared array sensor relative to the vertical direction, δ be the driver scanning
Interval angles, k are the step number that the driver drives infrared array sensor rotation, wherein k=0,1,2......L, L are institute
It states driver and completes a required total step number of scanning, origin Os and institute of the h for the infrared array sensor in scanning range
State the distance between the origin O ' of interim thermal image.
4. the imaging device of infrared sensor as claimed in claim 2, which is characterized in that the thermal image and the interim heat
Image has multiple grids, wherein
When the position of i-th of grid is overlapped with the position of i-th of grid of the interim thermal image in the thermal image, by institute
State temperature value of the corresponding temperature value of i-th of grid of interim thermal image as i-th of grid in the thermal image；
When the position of i-th of grid in the thermal image and the misaligned position of i-th of grid of the interim thermal image, obtain
The temperature value of i-th of multiple grid in grid periphery described in the interim thermal image is taken, and according to the temperature of the multiple grid
Value generates the temperature value of i-th of grid in the thermal image.
5. the imaging device of infrared sensor as described in claim 1, which is characterized in that the infrared array sensor is opposite
In the vertical direction tilt angle theta be 3-27 °.
6. the imaging device of infrared sensor as claimed in claim 3, which is characterized in that the sweep spacing angle of the driver
Degree δ is obtained by following formula：
δ=α sin θs,
Wherein, α is the average viewing angle of each pixel in the infrared array sensor.
7. a kind of imaging method of infrared sensor, which is characterized in that include the following steps：
Obtain the temperature data that infrared array sensor generates, wherein the infrared array sensor inclines relative to vertical direction
Tiltedly setting, the infrared array sensor meet relative to the tilt angle theta of vertical direction：Tan θ=1/n, wherein n is infrared
The horizontal pixel of sensor array is counted；
Thermal image is generated according to the temperature data.
8. a kind of air conditioner, which is characterized in that including：
Mounting seat；
Infrared array sensor, wherein the infrared array sensor is set relative to the inclined vertically of the mounting seat
It sets, the infrared array sensor meets relative to the tilt angle theta of vertical direction：Tan θ=1/n, wherein n is infrared sensing
The horizontal pixel of device array is counted.
9. air conditioner as claimed in claim 8, which is characterized in that the infrared array sensor is relative to the mounting seat
Vertical direction tilt angle theta be 3-27 °.
10. air conditioner as claimed in claim 8, which is characterized in that when the infrared array sensor is the array of 8*8,
The infrared array sensor is 5-9 ° relative to the tilt angle theta of the vertical direction of the mounting seat.
11. air conditioner as claimed in claim 8, which is characterized in that when the infrared array sensor is the array of 16*4,
The infrared array sensor is 12-16 ° relative to the tilt angle theta of the vertical direction of the mounting seat.
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| CN105823562B (en) * | 2014-12-31 | 2018-10-23 | 广东美的制冷设备有限公司 | Imaging device, imaging method and the air conditioner of infrared sensor |
| JP6765064B2 (en) * | 2016-06-23 | 2020-10-07 | パナソニックＩｐマネジメント株式会社 | Infrared detector |
| JP2018048904A (en) * | 2016-09-21 | 2018-03-29 | セイコーＮｐｃ株式会社 | Infrared detector |
| CN110132422A (en) * | 2019-05-17 | 2019-08-16 | 珠海格力电器股份有限公司 | Air conditioner and its thermometric image split-joint method |
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| CN105823562A (en) | 2016-08-03 |
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