CN106152378A - A kind of mixed flow air-conditioning and mixed flow control method thereof - Google Patents
A kind of mixed flow air-conditioning and mixed flow control method thereof Download PDFInfo
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- CN106152378A CN106152378A CN201510145862.8A CN201510145862A CN106152378A CN 106152378 A CN106152378 A CN 106152378A CN 201510145862 A CN201510145862 A CN 201510145862A CN 106152378 A CN106152378 A CN 106152378A
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Abstract
The present invention relates to a kind of mixed flow air-conditioning and mixed flow control method thereof.Specifically, the invention provides the mixed flow control method of a kind of mixed flow air-conditioning, including: receive temperature setting signal；Presumptive area before air outlet is sensed, to produce human body sensing signal；Whether judge in presumptive area with the presence of human body according to this human body sensing signal；If nothing, then close controlled air door, to block through path；If having, the then distance between sensing human body and air outlet, and according to the controlled air door of this distance controlling with predetermined aperture conducting through path, make air be sent to environment space through air outlet after carrying out mixed flow according to predetermined ratio by the inflow mixed flow space, heat exchange gap of through path and heat-exchanger rig.The present invention also provides for a kind of mixed flow air-conditioning, including heat-exchanger rig, through path, controlled air door, sensing device, range unit, control device and driving means, to automatically control the leaving air temp of mixed flow air-conditioning.
Description
Technical field
The present invention relates to air-conditioning technique, particularly relate to a kind of mixed flow air-conditioning and mixed flow control method thereof.
Background technology
On existing market, the air channel structure of common air-conditioning is general the most all by air inlet, centrifugal blower, vaporizer with go out
Air port forms.Room air enters inside air-conditioning from air inlet, after centrifugal blower CENTRIFUGAL ACCELERATING, and air
Carrying out heat exchange through vaporizer, the air after heat exchange is blowed to indoor by air outlet again.But, through air-out
Cool breeze temperature after mouthful blowout is the lowest, the softest, blows to cause feeling uncomfortable with user.
In order to solve above-mentioned technical problem, occurring in that a kind of drain air-conditioning in prior art, it is at air conditioning exhausting
Introduce a little room air at Kou, and it is mixed with the cool air after evaporator heat exchange, so that blowing
The wind gone out is softer.But, whether this drain air-conditioning (can not have in such as room according to practical situation
Human body existence, the distance etc. of human body distance air-conditioner air outlet) its temperature exporting wind is controlled automatically
System, uses inconvenience；And drain air-conditioning needs the air channel structure to traditional air conditioner and air outlet to carry out modernization overlay,
Causing air-conditioning volume excessive, cost increases.
Summary of the invention
One purpose of first aspect present invention is intended to overcome at least one defect the most air-conditioned, it is provided that a kind of
The mixed flow control method of mixed flow air-conditioning, whether it can select with the presence of human body according to before mixed flow air-conditioner air outlet
Control to selecting property to send soft wind or cold wind, and control air-supply temperature according to the distance of human body with air outlet
Degree, thus improve comfort level and the application performance of air-conditioning.
One of first aspect present invention further objective is that will be according to the distance controlling of human body Yu air outlet
The air output of air-conditioner air outlet, to improve the comfort level of air-conditioning further.
Another of first aspect present invention further objective is that its air outlet of mixed flow airconditioning control to be improved
The accuracy of wind pushing temperature.
The present invention second can a purpose be to provide for a kind of mixed flow air-conditioning.
According to the first aspect of the invention, the invention provides the mixed flow control method of a kind of mixed flow air-conditioning, bag
Include:
Heat-exchanger rig, have allow air directly by and carry out the heat exchange gap of heat exchange with it, and with institute
Stating to be formed between the air outlet of mixed flow air-conditioning allows air to carry out the mixed flow space mixed,
Through path, connects the upstream of described heat-exchanger rig and described mixed flow space, and
Controlled air door, is configured to controllably turn on and/or block described through path；
Described mixed flow control method includes:
Step A: receive the temperature setting signal for indicating preferred temperature；
Step B: sense the presumptive area before described air outlet, characterizes described presumptive area to generate
The most whether with the presence of the human body sensing signal of human body；
Step C: whether judge in described presumptive area with the presence of human body according to described human body sensing signal, if
Nothing, then go to step D, if having, then goes to step E；
Step D: close described controlled air door, to block described through path so that on described heat-exchanger rig
The air of trip all flows into described mixed flow space by the heat exchange gap of described heat-exchanger rig, and through described air-out
Mouth is sent to environment space；
Step E: the distance between sensing human body and described air outlet, and go out according to described distance selection
The target wind pushing temperature in air port；With
Step F: control described controlled air door with described in predetermined aperture conducting according to described target wind pushing temperature
Through path so that the air of described heat-exchanger rig upstream is led to by described leading directly to respectively according to predetermined ratio
The heat exchange gap of road and described heat-exchanger rig flows into described mixed flow space and carries out mixed flow, and send through described air outlet
Go out to environment space.
Alternatively, described mixed flow control method also includes:
Step G: according to the aperture measurement of described controlled air door and feed back the windage within described mixed flow air-conditioning；
With
Step H: regulate described controlled wind further according to the described windage of described target wind pushing temperature and feedback
The aperture of door.
Alternatively, described step E also includes: the distance between sensing human body and described air outlet, and according to
Described distance selects the target air output of described air outlet；With
Described step F also includes: regulate the power of the blower fan of described mixed flow air-conditioning according to described target air output.
Alternatively, described step H also includes: enter one according to the described windage of described target air output and feedback
Step saves the power of described blower fan.
Alternatively, described step B utilizes whether infrared sensor has human body radiation in sensing described preset range
The infrared signal gone out, thus export and characterize in described preset range whether human body with the presence of human body and sense and believe
Number.
Alternatively, described step E includes there is human body in described human body sensing signal indicates described presumptive area
In the presence of, start distance measuring sensor, to detect the distance between human body and described air outlet.
Alternatively, described step D includes in described human body sensing signal indicates described presumptive area without human body
In the presence of, stop the driving means being connected with described controlled air door, to close described controlled air door.
According to the second aspect of the invention, the invention provides a kind of mixed flow air-conditioning, including:
Heat-exchanger rig, have allow air directly by and carry out the heat exchange gap of heat exchange with it, and with institute
Stating to be formed between the air outlet of mixed flow air-conditioning allows air to carry out the mixed flow space mixed；
Through path, connects the upstream of described heat-exchanger rig and described mixed flow space；
Controlled air door, is configured to controllably turn on and/or block described through path；
Sensing device, is disposed for sensing the presumptive area before described air outlet, to generate sign
Whether with the presence of the human body sensing signal of human body in described presumptive area；
Range unit, is disposed for sensing the distance between described human body and described air outlet；
Control device, be configured to control described sensing device to described predetermined according to the temperature setting signal received
In region senses, and the human body sensing signal generated according to described sensing device judges described presumptive area
Whether with the presence of human body, in the presence of having human body in described preset range, control described range unit sensing people
The spacing of body and described air outlet, and according to the controlled air door of mixed flow air-conditioning described in described distance controlling with in advance
Fixed aperture turns on the through path of described mixed flow air-conditioning；Otherwise, then described controlled air door is closed, to block
Described through path；With
Driving means, is connected with described control device and described controlled air door, with the control at described control device
System is lower drives described controlled air door to open and/or close described through path.
Alternatively, described control device is configured to the blower fan according to mixed flow air-conditioning described in described distance controlling
Power, to control the air output of described air outlet.
Alternatively, described mixed flow air-conditioning also includes:
Windage measurement apparatus, is disposed in mixed flow air-conditioning described in the aperture measurement according to described controlled air door
The windage that portion is overall, and described windage is fed back to described control device；And
Described control device be configured to combine described windage measurement apparatus feedback described windage and described away from
From the aperture and the power of described blower fan that regulate described controlled air door.
In the mixed flow air-conditioning of the present invention and mixed flow control method thereof, by sensing in the presumptive area before air port
Whether control opening and/or closing of controlled air door with the presence of human body, thus selectively turn on and/or hinder
Disconnected through path, and in the presence of having human body in presumptive area, the distance between sensing human body and air outlet,
Thus according to the aperture of the controlled air door of this distance controlling, make air according to predetermined ratio respectively by straight-through logical
The inflow mixed flow space, heat exchange gap of road and heat-exchanger rig carries out mixed flow and has the soft of predetermined temperature with output
Wind；In presumptive area without human body in the presence of, block through path, to export cold wind.The mixed flow of the present invention
Control method can export soft wind by whether automatically controlling air outlet with the presence of human body in sensing presumptive area
Or cold wind, and control wind pushing temperature according to the distance of human body with air outlet, thus improve relaxing of air-conditioning
Appropriateness and application performance.
Further, due to the mixed flow air-conditioning of the present invention and mixed flow control method thereof according to human body and air outlet it
Between the power of distance regulation blower fan, thus regulate the air output of air-conditioner air outlet, so that blowing to human body
Air output reaches the optimal degree of human body sensory, thus improves the comfort level of air-conditioning further.
Further, owing to the mixed flow air-conditioning of the present invention and mixed flow control method thereof are by sensing mixed flow air-conditioning
The windage in portion carries out closed loop control to controlled air door, to regulate its aperture, and then regulation through through path with
Through the AIR Proportional in heat-exchanger rig heat exchange gap, so that the actual wind pushing temperature of air outlet is equal to or more connects
It is bordering on target wind pushing temperature, thus improves the accuracy of its air outlet wind pushing temperature of mixed flow airconditioning control.
According to below in conjunction with the accompanying drawing detailed description to the specific embodiment of the invention, those skilled in the art will
More understand the above-mentioned of the present invention and other purposes, advantage and feature.
Accompanying drawing explanation
Some describing the present invention the most by way of example, and not by way of limitation in detail are concrete
Embodiment.Reference identical in accompanying drawing denotes same or similar parts or part.Art technology
Personnel are it should be understood that what these accompanying drawings were not necessarily drawn to scale.In accompanying drawing:
Fig. 1 is the schematic diagram of mixed flow air-conditioning according to an embodiment of the invention；
Fig. 2 is the schematic structure exploded view of mixed flow air-conditioning according to an embodiment of the invention；
Fig. 3 is the schematic cross sectional views of mixed flow air-conditioning according to an embodiment of the invention；
Fig. 4 is the mixed flow control module block diagram of mixed flow air-conditioning according to an embodiment of the invention；
Fig. 5 is the flow chart of the mixed flow control method of mixed flow air-conditioning according to an embodiment of the invention；
Fig. 6 is the flow chart of the mixed flow control method of mixed flow air-conditioning according to another embodiment of the invention；
Fig. 7 is the flow chart of the mixed flow control method of mixed flow air-conditioning according to still another embodiment of the invention.
Detailed description of the invention
Fig. 1 is the schematic diagram of mixed flow air-conditioning according to an embodiment of the invention, and it includes housing 10.
Housing 10 has the air inlet 11 for introducing air from environment space and for air returns to environment sky
Between air outlet 12.Specifically, housing 10 can include separate front side board 10a, back side panel 10b,
Biside plate 10c and 10d, upper plate 10e and lower shoe 10f, front side board 10a, back side panel 10b, both sides
Tool is become by fixture assembly and connections such as screws between plate 10c and 10d, upper plate 10e and lower shoe 10f
There is the housing 10 of inner space.Certainly, it will be appreciated by persons skilled in the art that the rear side of housing 10
Plate 10b, biside plate 10c and 10d, upper plate 10e and lower shoe 10f also can be one-body molded, and formation has
The semi-closed casings of cavity, front side board 10a is fixedly connected into shell by the fixtures such as screw and semi-closed casings
Body 10.
In some embodiments of the invention, mixed flow air-conditioning 100 can be vertical air conditioner, its air inlet 11
Lower front side and/or the both sides of housing 10 can be opened in, before air outlet 12 can be opened in the top of housing 10
Side.Specifically, air inlet 11 can be opened in the bottom of front side board 10a and/or biside plate 10c and 10d
Bottom.Air outlet 12 can be opened in the top of front side board 10a, in order to the circulation of air.Air outlet 12
Place can be provided with rotating movable grid, it is simple to regulation air outlet angle, meets user's needs.
Fig. 2 is the schematic structure exploded view of mixed flow air-conditioning 100 according to an embodiment of the invention, Fig. 3
It it is the schematic cross sectional views of mixed flow air-conditioning 100 according to an embodiment of the invention.In conjunction with Fig. 2 and Fig. 3,
Mixed flow air-conditioning 100 also includes the blower fan 20 being arranged in housing 10, is arranged on the heat exchange dress in blower fan 20 downstream
Put 50 and through path 30.Blower fan 20 is configured to promote air to flow towards air outlet 12 from air inlet 11
(direction shown in Fig. 3 cathetus arrow is the flow direction of air).Heat-exchanger rig 50 and air outlet 12 it
Between be formed and allow air to carry out the mixed flow space 40 that mixes, i.e. mixed flow space 40 is formed at heat-exchanger rig 50
Downstream, and heat-exchanger rig 50 have allow air directly by and carry out the heat exchange gap of heat exchange with it.
Through path 30 is arranged in housing 10, and connects upstream and the mixed flow space 40 of heat-exchanger rig 50, with
The air allowing heat-exchanger rig 50 upstream directly flows into mixed flow space 40 by through path 30, so that at wind
Towards the air of air outlet 12 flowing via the heat exchange gap of heat-exchanger rig 50 and through path under machine 20 effect
30 flow into mixed flow space 40, and return to environment space via air outlet 12.Through path 30 and heat exchange
Device 50 upstream connection air inlet end be provided with the adjustable controlled air door 32 of aperture, with controllably turn on and/
Or block through path 30.
Air is allowed directly to pass through owing to mixed flow air-conditioning 100 of the present invention only arranging to have in housing 10
Through path 30 and controlled air door 32 be set at the air inlet end of through path 30 realize may select
Property ground relax air-conditioner air outlet wind pushing temperature, improve the purpose of comfort of air conditioner, simple in construction, and not to biography
System air-conditioning overall structure does the biggest change, effectively reduces the cost of air-conditioning compared to prior art, reduces
The volume of air-conditioning.
Further, in some embodiments of the invention, the upper end of heat-exchanger rig 50 and housing 10 inwall
Interval is arranged, to form gap between heat-exchanger rig 50 upper end and housing 10 inwall.Mixed flow air-conditioning 100
Also include wind deflector 31.First end 311 of wind deflector 31 is connected to heat-exchanger rig 50 end of adjacent gap,
I.e. first end 311 abuts with the upper end of heat-exchanger rig 50.Second end 312 extends towards blower fan 20, with
Through path 30 is formed between wind deflector 31 and housing 10.Specifically, in the embodiment of the present invention, wind deflector
End bending extension in mixed flow space 40 of first end 311 of 31, such that it is able to be directed through straight-through logical
Road 30 flows to the air in mixed flow space 40, it is to avoid air is backflowed to heat-exchanger rig 50 by mixed flow space 40.
Controlled air door 32 is arranged on the end of the second end 312 that wind deflector 31 extends towards blower fan 20, with controllably
Open and/or close the space between the second end 312 and housing 10.It is to say, the sky of through path 30
Gas arrival end is the gap formed between the second end 312 and the housing 10 of wind deflector 31, controlled air door 32
This gap neighbouring is arranged.Specifically, the fixing end of controlled air door 32 can be fixed on wind deflector the second end 312
End, its free end extends to this gap.When through path 30 closed by controlled air door 32, it is freely
End contacts with the inner wall sealing of housing 10, to stop that air passes through through path 30.Those skilled in the art
Should be understood that the fixing end of controlled air door 32 also can be fixed on housing in other embodiment of the present invention
On the inwall of 10, its free end extends to this gap.When through path 30 closed by controlled air door 32, its
Free end contacts with the end seal of wind deflector the second end 312, to stop that air passes through through path 30.
In some embodiments of the invention, heat-exchanger rig 50 can be vaporizer, heat exchanger or other tools
There is the device of heat exchange function.
Fig. 4 is the mixed flow control module framework of mixed flow air-conditioning 100 according to an embodiment of the invention.Knot
Closing Fig. 2 and Fig. 4, mixed flow air-conditioning 100 also includes sensing device 60, range unit 70, controlling device 80
With driving means 90.Sensing device 60 is disposed for sensing the presumptive area before air outlet 12,
Whether human body sensing signal with the presence of human body is characterized in presumptive area to generate.Range unit 70 is configured to
For sensing the distance between human body and air outlet.Control device 80 to be configured to set according to the temperature received
Signal controls sensing device 60 and senses presumptive area, and the people's body-sensing generated according to sensing device 60
Survey signal whether to judge in presumptive area with the presence of human body, when having people in the indicating predetermined region of human body sensing signal
In the presence of body, control range unit 70 and sense the distance between human body and air outlet, and control according to this distance
Make controlled air door 32 with predetermined aperture conducting through path 30；Otherwise, then close controlled air door 32, with
Block through path 30.Driving means 90 simultaneously with control device 80 and controlled air door 32 is connected, with
Control to open and/or close controlled air door 32 under the control of device 80, with conducting and/or blocking-up through path
30。
Can be according to the letter of the human body sensing signal obtained at sensing device 60 it is to say, control device 80
Breath sends control signal to start range unit 70.Control device 80 according to range unit 70 detect away from
Select the target wind pushing temperature in air port 12 from information, and control controlled air door according to this target wind pushing temperature
32 open or close with predetermined aperture.Specifically, control device 80 and can include memory module, Qi Zhongcun
Contain range information and the target wind pushing temperature information matched with each range information, say, that control
The range information stored in device 80 mates one by one with target wind pushing temperature information.Obtain when controlling device 80
After range information between human body and the air outlet 12 of range unit 70 sensing, search and this range information phase
The target wind pushing temperature information of coupling, and according to this target wind pushing temperature delivering control signal, to control
The state of controlled air door 32.The information that control signal corresponding to each target wind pushing temperature information is characterized is equal
Difference, such as can the controlled air door of characterization control 32 close, open with the aperture of 10%, aperture with 50%
Open or open etc. with the aperture of 80%.
The input of driving means 90 can be connected with the outfan controlling device 80, driving means 90 defeated
Go out end to be connected with controlled air door 32, thus the control that driving means 90 acceptable control device 80 sends
Signal, thus the state of controlled air door 32 is controlled according to this control signal.
In some embodiments of the invention, control device 80 be configured to according to human body and air outlet 12 it
Between the power of distance controlling blower fan 20, to control the air output of air outlet 12.It is to say, human body with
Distance between air outlet 12 is different, and the most comfortable air force that human body is experienced is the most different.Control
Can store the information of the air output size corresponding with each range information in device 80, thus can according to away from
Select the target air output in air port 12 from information, thus control the merit of blower fan 20 according to this target air output
Rate so that it is blow out the air quantity equal or close to target air output.
In some embodiments of the invention, mixed flow air-conditioning may also include windage measurement apparatus 81, is configured to root
According to the internal overall windage of the aperture measurement mixed flow air-conditioning of controlled air door, and feed back to this windage control device
80.Control device 80 is configured to combine the windage of windage measurement apparatus 81 feedback and range unit 70 records
Human body and air outlet 12 between distance regulate the aperture of controlled air door 32 and the power of blower fan 20.Also
That is, controlled air door 32 in off position with under the open mode of different opening, in mixed flow air-conditioning 100
The overall windage in portion is the most different.When the most controlled air door 32 is closed, the air of heat-exchanger rig 50 upstream is whole
Flowing into mixed flow space 40 by the heat exchange of heat exchange gap, the space in heat exchange gap is less, and therefore air-conditioning is internal whole
The windage of body is bigger；When controlled air door 32 is opened with the aperture of 100%, air can pass through through path 30
Entering mixed flow space 40, the space of through path 30 is relatively big, and therefore the internal overall windage of air-conditioning is less.
The internal windage of air-conditioning varies in size, and the air output causing air outlet 12 is different with wind pushing temperature.Therefore, control
Device 80 processed can carry out closed loop control according to the windage within air-conditioning to controlled air door 32 and blower fan 20, with
Adjust the actual wind pushing temperature in air port 12 and actual air output, make this actual wind pushing temperature and actual air-supply
Amount equal to or closer to the target wind pushing temperature of air outlet 12 and target air output.
Further, in some embodiments of the invention, sensing device 60 can be to be arranged on mixed flow air-conditioning
Infrared sensor outside the housing 10 of 100.In the presence of having human body in presumptive area, infrared sensor can
Sense the electromagnetic wave in certain wavelength band, i.e. sense the infrared signal that human body sends, thus generate table
Levy the human body sensing signal with the presence of human body in this presumptive area.Range unit 70 can go out described in neighbouring
The range sensor that air port 12 is arranged, such as infrared distance sensor or other types sensor.
In some embodiments of the invention, control device 80 can be mixed flow air-conditioning 100 master control borad or with
Sensing device 60, range unit 70 and the independent controling circuit of driving means 90 electrical connection.Driving means
90 is the motor being mechanically connected with controlled air door 32.It will be understood by those skilled in the art that at its of the present invention
In his embodiment, sensing device 60 can be also that other can sense the detection device whether human body exists,
Such as pyroelectricity probe.Driving means 90 can be also that other can control controlled wind door 32 and open and/or close
Parts.Controlling device 80 can be also the integrated chip being integrated with control circuit.
Fig. 5 is the flow process of the mixed flow control method of mixed flow air-conditioning 100 according to an embodiment of the invention
Figure.This mixed flow control method includes:
Step A: receive the temperature setting signal for indicating preferred temperature；
Step B: sense the presumptive area before air outlet 12, characterizes in this presumptive area to generate
Whether with the presence of the human body sensing signal of human body；
Step C: whether judge in presumptive area with the presence of human body according to human body sensing signal, if nothing, then turn
Step D, if having, then goes to step E；
Step D: close controlled air door 32, to block through path 30 so that heat-exchanger rig 50 upstream
Air all flows into mixed flow space 40 by the heat exchange gap of heat-exchanger rig 50, and is sent to through air outlet 12
Environment space；
Step E: the distance between sensing human body and air outlet 12, and select air port 12 according to this distance
Target wind pushing temperature；With
Step F: control controlled air door 32 with predetermined aperture conducting through path according to target wind pushing temperature
30 so that the air of heat-exchanger rig 50 upstream passes through through path 30 and heat exchange respectively according to predetermined ratio
The heat exchange gap of device 50 flows into mixed flow space 40 and carries out mixed flow, and it is empty to be sent to environment through air outlet 12
Between.
In some embodiments of the invention, the preset range before air outlet 12 is the one of air outlet 12 front
Substantially fan-shaped space.The border, distally of this sector space distance away from air outlet 12 such as may be about
About 2m, 3m or 4m；The segment angle of this sector space such as may be about about 60 °；Sector space
The extended height on vertical can be such as from bottom surface about the 1m to about 2m away from mixed flow air-conditioning 100.
In the dark method of flow control of the present invention, by whether automatically controlling with the presence of human body in sensing presumptive area
Make air port and export soft wind or cold wind, and control air-supply temperature according to the distance of human body with air outlet 12
Degree, thus improve comfort level and the application performance of air-conditioning.
Further, in some embodiments of the invention, the temperature setting signal in step A is user's root
The signal sent when ambient temperature is set according to demand.
Fig. 6 is the flow process of the mixed flow control method of mixed flow air-conditioning 100 according to another embodiment of the invention
Figure, the mixed flow control method of mixed flow air-conditioning 100 also includes:
Step G: according to the aperture measurement of controlled air door 32 and feed back the windage within mixed flow air-conditioning 100；
With
Step H: regulate the aperture of controlled air door 32 according to the windage of target wind pushing temperature and feedback further.
It is to say, the embodiment of the present invention can be by the windage within mixed flow air-conditioning 100 to controlled air door 32
Carrying out closed loop control, to regulate its aperture, and then regulation is through through path 30 and through heat-exchanger rig 50
The AIR Proportional in heat exchange gap, so that the actual wind pushing temperature of air outlet 12 is equal to or closer to target
Wind pushing temperature.
Fig. 7 is the flow process of the mixed flow control method of mixed flow air-conditioning 100 according to still another embodiment of the invention
Figure, in this embodiment, step E also includes: the distance between sensing human body and air outlet 12, and root
The target air output in air port 12 is selected according to this distance.And step F also includes: adjust according to target air output
The power of the blower fan 20 of joint mixed flow air-conditioning 100.It is to say, the embodiment of the present invention can according to human body with go out
The power of the distance controlling blower fan 20 between air port 12, so that blowing the air quantity to human body from air outlet 12
For the air quantity that human body sensory is the most comfortable.
Further, in some embodiments of the invention, step H also includes: according to target air output and
The windage of feedback regulates the power of blower fan 20 further.It is to say, the embodiment of the present invention can be according to mixed flow
Windage in air-conditioning 100 carries out closed loop control to blower fan 20, so that the actual air output of air outlet 12 is equal to
Or closer to its target air output.
Further, in some embodiments of the invention, step B utilizes infrared sensor to sense predetermined model
The infrared signal that human body radiation goes out whether is had in enclosing, thus whether with the presence of human body in exporting sign preset range
Human body sensing signal.Specifically, human body sensing signal can be the variable signal of amplitude, the letter of changeable frequency
Number or the signal of random change, the type of human body sensing signal can be low and high level signal, cosine and sine signal
Or other kinds of signal.It is to say, the preset range before infrared sensor senses air outlet 12
The human body sensing of output when inside having the infrared signal that human body radiation goes out and the infrared signal not having human body to give off
The amplitude of signal is different with/frequency.
In some embodiments of the invention, step E includes before human body sensing signal indicates air port 12
Presumptive area in have human body in the presence of, start range unit 70, to detect between human body and air outlet 12
Distance.Step D is deposited without human body in including the presumptive area before human body sensing signal indicates air port 12
Time, stop the driving means 90 that is connected with controlled air door 32, to close controlled air door 32.
It will be understood by those skilled in the art that in case of no particular description, alleged by the present invention " on ",
D score, "left", "right", " front " and " afterwards " are all normally to use shape with mixed flow air-conditioning 100
For on the basis of state.
So far, although those skilled in the art will appreciate that and the most detailed illustrate and describing the present invention's
Multiple exemplary embodiments, but, without departing from the spirit and scope of the present invention, still can be according to this
Disclosure of invention directly determines or derives other variations or modifications of many meeting the principle of the invention.Cause
This, the scope of the present invention is it is understood that and regard as covering other variations or modifications all these.
Claims (10)
1. a mixed flow control method for mixed flow air-conditioning, described mixed flow air-conditioning includes:
Heat-exchanger rig, have allow air directly by and carry out the heat exchange gap of heat exchange with it, and with institute
Stating to be formed between the air outlet of mixed flow air-conditioning allows air to carry out the mixed flow space mixed,
Through path, connects the upstream of described heat-exchanger rig and described mixed flow space, and
Controlled air door, is configured to controllably turn on and/or block described through path；
Described mixed flow control method includes:
Step A: receive the temperature setting signal for indicating preferred temperature；
Step B: sense the presumptive area before described air outlet, characterizes described presumptive area to generate
The most whether with the presence of the human body sensing signal of human body；
Step C: whether judge in described presumptive area with the presence of human body according to described human body sensing signal, if
Nothing, then go to step D, if having, then goes to step E；
Step D: close described controlled air door, to block described through path so that on described heat-exchanger rig
The air of trip all flows into described mixed flow space by the heat exchange gap of described heat-exchanger rig, and through described air-out
Mouth is sent to environment space；
Step E: the distance between sensing human body and described air outlet, and go out according to described distance selection
The target wind pushing temperature in air port；With
Step F: control described controlled air door with described in predetermined aperture conducting according to described target wind pushing temperature
Through path so that the air of described heat-exchanger rig upstream is led to by described leading directly to respectively according to predetermined ratio
The heat exchange gap of road and described heat-exchanger rig flows into described mixed flow space and carries out mixed flow, and send through described air outlet
Go out to environment space.
Mixed flow control method the most according to claim 1, also includes:
Step G: according to the aperture measurement of described controlled air door and feed back the windage within described mixed flow air-conditioning；
With
Step H: regulate described controlled wind further according to the described windage of described target wind pushing temperature and feedback
The aperture of door.
Mixed flow control method the most according to claim 2, wherein,
Described step E also includes: the distance between sensing human body and described air outlet, and according to described distance
Select the target air output of described air outlet；With
Described step F also includes: regulate the power of the blower fan of described mixed flow air-conditioning according to described target air output.
Mixed flow control method the most according to claim 3, wherein,
Described step H also includes: regulate institute further according to the described windage of described target air output and feedback
State the power of blower fan.
Mixed flow control method the most according to claim 1, wherein,
Described step B utilizes infrared sensor to sense in described preset range whether have human body radiation to go out red
External signal, thus export and characterize in described preset range whether human body sensing signal with the presence of human body.
Mixed flow control method the most according to claim 5, wherein,
In the presence of described step E includes having human body in described human body sensing signal indicates described presumptive area,
Start distance measuring sensor, to detect the distance between human body and described air outlet.
Mixed flow control method the most according to claim 5, wherein,
Described step D includes when described human body sensing signal indicates in described presumptive area in the presence of without human body,
Stop the driving means being connected with described controlled air door, to close described controlled air door.
8. a mixed flow air-conditioning, including:
Heat-exchanger rig, have allow air directly by and carry out the heat exchange gap of heat exchange with it, and with institute
Stating to be formed between the air outlet of mixed flow air-conditioning allows air to carry out the mixed flow space mixed；
Through path, connects the upstream of described heat-exchanger rig and described mixed flow space；
Controlled air door, is configured to controllably turn on and/or block described through path；
Sensing device, is disposed for sensing the presumptive area before described air outlet, to generate sign
Whether with the presence of the human body sensing signal of human body in described presumptive area；
Range unit, is disposed for sensing the distance between described human body and described air outlet；
Control device, be configured to control described sensing device to described predetermined according to the temperature setting signal received
In region senses, and the human body sensing signal generated according to described sensing device judges described presumptive area
Whether with the presence of human body, in the presence of having human body in described preset range, control described range unit sensing people
The spacing of body and described air outlet, and according to the controlled air door of mixed flow air-conditioning described in described distance controlling with in advance
Fixed aperture turns on the through path of described mixed flow air-conditioning；Otherwise, then described controlled air door is closed, to block
Described through path；With
Driving means, is connected with described control device and described controlled air door, with the control at described control device
System is lower drives described controlled air door to open and/or close described through path.
Mixed flow air-conditioning the most according to claim 8, wherein,
Described control device is configured to the power of the blower fan according to mixed flow air-conditioning described in described distance controlling, with
Control the air output of described air outlet.
Mixed flow air-conditioning the most according to claim 8, also includes:
Windage measurement apparatus, is disposed in mixed flow air-conditioning described in the aperture measurement according to described controlled air door
The windage that portion is overall, and described windage is fed back to described control device；And
Described control device be configured to combine described windage measurement apparatus feedback described windage and described away from
From the aperture and the power of described blower fan that regulate described controlled air door.
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