CN103308908B - Human body position identification method and device and air conditioner - Google Patents
Human body position identification method and device and air conditioner Download PDFInfo
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Abstract
The invention discloses a human body position identification method and device and an air conditioner. The human body position identification method comprises the following steps: the first Doppler sensor sends a first detection signal and receives a first echo signal; calculating a first distance between the first Doppler sensor and the target human body according to the first echo signal; the second Doppler sensor sends a second detection signal and receives a second echo signal; calculating a second distance between the second Doppler sensor and the target human body according to the second echo signal; respectively acquiring the positions of a first Doppler sensor and a second Doppler sensor; and determining the position of the target human body according to the positions of the first Doppler sensor and the second Doppler sensor and the first distance and the second distance. By the method and the device, the problem that the position of the human body cannot be accurately identified in the prior art is solved, and the effect of improving the accuracy and precision of identifying the position of the human body is achieved.
Description
Technical field
The present invention relates to position of human body identification field, in particular to a kind of recognition methods of position of human body and device and air conditioner.
Background technology
In the prior art, usual employing infrared sensor or picture imaging techniques detect, to obtain the particular location residing for human body, but the mode that employing infrared sensor carries out detecting is not owing to can solve passive ranging problem, the mode adopting picture imaging techniques to carry out detecting is due to algorithm complexity, large and the poor real of error, all can cause and accurately cannot identify position of human body.
For the problem that accurately cannot identify position of human body in correlation technique, at present effective solution is not yet proposed.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of recognition methods of position of human body and device and air conditioner, to solve the problem that accurately cannot identify position of human body in prior art.
To achieve these goals, according to an aspect of the present invention, provide a kind of recognition methods of position of human body, comprise the first doppler sensor and send the first detection signal; First doppler sensor receive the first detection signal run into target body after first echo signal; The first distance between the first doppler sensor and target body is calculated according to first echo signal; Second doppler sensor sends the second detection signal; Second doppler sensor receive the second detection signal run into target body after second echo signal; The second distance between the second doppler sensor and target body is calculated according to second echo signal; Obtain the position of the first doppler sensor and the second doppler sensor respectively; According to the first doppler sensor and the position of the second doppler sensor and the position of the first Distance geometry second distance determination target body.
Further, comprise according to the first doppler sensor and the position of the second doppler sensor and the position of the first Distance geometry second distance determination target body: with the position of the first doppler sensor for the center of circle, first justifies apart from for radius, obtains the first circle; With the position of the second doppler sensor for the center of circle, second distance is that radius is justified, and obtains the second circle; Obtain the intersection point of the first circle and the second circle; And according to the position of intersection point determination target body.
Further, comprise according to the position of intersection point determination target body: judge whether intersection point is positioned at the receiving end side of the first doppler sensor and the second doppler sensor; And when judging that intersection point is positioned at the receiving end side of the first doppler sensor and the second doppler sensor, determine that the position of intersection point is the position of target body.
Further, after according to the position of the first doppler sensor and the second doppler sensor and the position of the first Distance geometry second distance determination target body, the recognition methods of position of human body also comprises: the position according to target body controls air conditioner.
Further, carry out control according to the position of target body to air conditioner to comprise: be respectively summit with the position of target body, the first doppler sensor and the second doppler sensor, obtain triangle; Obtain leg-of-mutton first limit and Second Edge, and the angle on leg-of-mutton first limit and the 3rd limit, wherein, leg-of-mutton first limit is the line between the first doppler sensor and the second doppler sensor, and Second Edge and the 3rd limit are the first doppler sensor and the line of the second doppler sensor respectively and between target body; And according to leg-of-mutton first limit and Second Edge, and the angle on leg-of-mutton first limit and the 3rd limit controls air conditioner.
Further, the recognition methods of position of human body also comprises: Tridoppler sensor sends the 3rd detection signal; Tridoppler sensor reception the 3rd detection signal runs into the 3rd echoed signal after target body; The 3rd distance between Tridoppler sensor and target body is calculated according to the 3rd echoed signal; And obtain the position of Tridoppler sensor, wherein, comprise according to the first doppler sensor and the position of the second doppler sensor and the position of the first Distance geometry second distance determination target body: the position determining target body according to the position of the first doppler sensor, the second doppler sensor and Tridoppler sensor and the first distance, second distance and the 3rd distance.
Further, determine that the position of target body comprises according to the position of the first doppler sensor, the second doppler sensor and Tridoppler sensor and the first distance, second distance and the 3rd distance: with the position of the first doppler sensor for the center of circle, first justifies apart from for radius, obtains the first circle; With the position of the second doppler sensor for the center of circle, second distance is that radius is justified, and obtains the second circle; With the position of Tridoppler sensor for the center of circle, the 3rd justifies apart from for radius, obtains the 3rd circle; Obtain the first intersection point, wherein, the first intersection point is the intersection point of the first circle and the second circle; Obtain the second intersection point, wherein, the second intersection point is the intersection point of the second circle and the 3rd circle; And according to the position of the first intersection point and the second intersection point determination target body.
Further, comprise according to the position of the first intersection point and the second intersection point determination target body: judge whether the first intersection point is positioned at the receiving end side of the first doppler sensor and the second doppler sensor; Judge whether the second intersection point is positioned at the receiving end side of the second doppler sensor and Tridoppler sensor; And the receiving end side of the first doppler sensor and the second doppler sensor is positioned at judgement first intersection point, and when the second intersection point is positioned at the receiving end side of the second doppler sensor and Tridoppler sensor, determine that the center of the line of the first intersection point and the second intersection point is the position of target body.
Further, after determining the position of target body according to the position of the first doppler sensor, the second doppler sensor and Tridoppler sensor and the first distance, second distance and the 3rd distance, the recognition methods of position of human body also comprises: the position according to target body controls air conditioner.
Further, carry out control according to the position of target body to air conditioner to comprise: be respectively summit with the position of target body, the first doppler sensor and the second doppler sensor, obtain the first triangle; Obtain the first leg-of-mutton first limit and the first leg-of-mutton Second Edge, and first angle on leg-of-mutton first limit and the first leg-of-mutton 3rd limit, wherein, first leg-of-mutton first limit is the line between the first doppler sensor and the second doppler sensor, and the first leg-of-mutton Second Edge and the first leg-of-mutton 3rd limit are the first doppler sensor and the line of the second doppler sensor respectively and between target body; And be respectively summit with the position of target body, the second doppler sensor and Tridoppler sensor, obtain the second triangle; Obtain the second leg-of-mutton first limit and the second leg-of-mutton Second Edge, and second angle on leg-of-mutton first limit and the second leg-of-mutton 3rd limit, wherein, second leg-of-mutton Second Edge is the line between the second doppler sensor and Tridoppler sensor, and the second leg-of-mutton Second Edge and the second leg-of-mutton 3rd limit are the second doppler sensor and the line of Tridoppler sensor respectively and between target body; And according to the angle on the first leg-of-mutton first limit and the first leg-of-mutton Second Edge, the first leg-of-mutton first limit and the first leg-of-mutton 3rd limit, and the second leg-of-mutton first limit and the second leg-of-mutton Second Edge, the second leg-of-mutton first limit and the second leg-of-mutton 3rd limit angle air conditioner is controlled.
To achieve these goals, according to a further aspect in the invention, a kind of recognition device of position of human body is provided, the recognition methods of position of human body of this device for performing foregoing of the present invention and providing.
To achieve these goals, according to a further aspect in the invention, provide a kind of recognition device of position of human body, comprising: the first doppler sensor, for sending the first detection signal, receive the first detection signal run into target body after first echo signal; First computing unit, is connected with the first doppler sensor, for calculating the first distance between the first doppler sensor and target body according to first echo signal; Second doppler sensor, for sending the second detection signal, receive the second detection signal run into target body after second echo signal; Second computing unit, for calculating the second distance between the second doppler sensor and target body according to second echo signal; Acquiring unit, for obtaining the position of the first doppler sensor and the second doppler sensor respectively; And determining unit, for according to the position of the first doppler sensor and the second doppler sensor and the position of the first Distance geometry second distance determination target body.
Further, position of human body recognition device also comprises: Tridoppler sensor, and for sending the 3rd detection signal, reception the 3rd detection signal runs into the 3rd echoed signal after target body, and the 3rd computing unit, be connected with Tridoppler sensor, for calculating the 3rd distance between Tridoppler sensor and target body according to the 3rd echoed signal, wherein, the position that acquiring unit is used for obtaining respectively the first doppler sensor and the second doppler sensor comprises: acquiring unit is used for obtaining the first doppler sensor respectively, the position of the second doppler sensor and Tridoppler sensor, determining unit is used for comprising according to the first doppler sensor and the position of the second doppler sensor and the position of the first Distance geometry second distance determination target body: determining unit is used for according to the first doppler sensor, the position of the second doppler sensor and Tridoppler sensor and the first distance, second distance and the 3rd distance determine the position of target body.
To achieve these goals, according to a further aspect in the invention, provide a kind of air conditioner, comprising: any one recognition device that foregoing of the present invention provides; And control device.
By the present invention, the first doppler sensor is adopted to send the first detection signal, first doppler sensor receive the first detection signal run into target body after first echo signal, the first distance between the first doppler sensor and target body is calculated according to first echo signal, second doppler sensor sends the second detection signal, second doppler sensor receive the second detection signal run into target body after second echo signal, the second distance between the second doppler sensor and target body is calculated according to second echo signal, obtain the position of the first doppler sensor and the second doppler sensor respectively, according to the first doppler sensor and the position of the second doppler sensor and the position of the first Distance geometry second distance determination target body, detection signal is launched by Doppler, can change by occurrence frequency after detection signal runs into target body, frequency change can be embodied in echoed signal, thus target body can be calculated apart from the distance between each sensor by echoed signal, position residing for each sensor can accurately be known, therefore the position of target body accurately can be determined based on the position residing for each sensor and the distance between target body and each sensor, solve the problem that accurately cannot identify position of human body in prior art, and then reach the effect improving the accuracy and precision identifying position of human body.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the process flow diagram of the recognition methods of position of human body according to a first embodiment of the present invention;
Fig. 2 is the schematic diagram of the position of recognition methods determination target body according to a first embodiment of the present invention;
Fig. 3 is the process flow diagram of the recognition methods of position of human body according to a second embodiment of the present invention; And
Fig. 4 is the schematic diagram of the position of recognition methods determination target body according to a second embodiment of the present invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Fig. 1 is the process flow diagram of the recognition methods of position of human body according to a first embodiment of the present invention, and as shown in Figure 1, the method comprises following step S102 to step S116.
S102: the first doppler sensor sends the first detection signal.
S104: the first doppler sensor receive the first detection signal run into target body after first echo signal.
S106: calculate the first distance between the first doppler sensor and target body according to first echo signal.
S108: the second doppler sensor sends the second detection signal.
S110: the second doppler sensor receive the second detection signal run into target body after second echo signal.
S112: calculate the second distance between the second doppler sensor and target body according to second echo signal.
S114: the position obtaining the first doppler sensor and the second doppler sensor respectively.
S116: according to the first doppler sensor and the position of the second doppler sensor and the position of the first Distance geometry second distance determination target body.
In the recognition methods of above-mentioned position of human body, position residing for each sensor can accurately be known, and the distance between target body and each sensor can accurately be determined, thus, in recognition methods by the position of human body of the embodiment of the present invention, the position of target body can be identified exactly.
Particularly, in the first embodiment of the invention, the identification of 2 doppler sensor modules (the first doppler sensor modules A and the second doppler sensor module B) realization to target body orientation is utilized.2 doppler sensors can share same transmitter module, and each sensor has individual reception module, mutually maintain a certain distance between doppler sensor module.
Recognition methods below in conjunction with accompanying drawing 2 to 4 pairs of embodiment of the present invention is set forth further:
As shown in Figure 2, suppose that the distance between 2 doppler sensor modules A and B is L, the echoed signal received separately when 2 doppler sensor modules with transmit after mixing, amplification filtering, receive backward energy P.
First, according to radar equation, can obtain target body respectively apart from distance R1 and the R2 of two doppler sensor modules, this radar equation is as follows:
In this equation, R is radius of investigation, P
tfor emissive power, G is antenna gain, A
efor antenna trapping area, σ is moving target scattering area, S
minfor receiving sensitivity.
Then, take R1 as radius, that doppler sensor modules A present position is that the center of circle is done is first circular, take R2 as radius, that doppler sensor module B present position is that the center of circle is done is second circular, obtain first circular and second circular these 2 circular 2 intersection points (middle of 2 modules can not be in because of target body, so do not consider the situation of an intersection point).
Finally, the intersection point C getting doppler sensor module dead ahead (that is, the receiving end of doppler sensor is in face of the side of echoed signal) is available point (that is, the position of determined target body).
After the position accurately determining target body, can also control air conditioner according to the position of the target body determined, thus, the embodiment of the present invention additionally provides a kind of control method of air conditioner, the control method of this air conditioner is used for controlling air conditioner according to the position of the determined target body of the recognition methods of the embodiment of the present invention, particularly, in this embodiment, with intersection point C and 3 the some A that are summit with 2 doppler sensor module present positions, B, C forms triangle, utilize R1, R2 and L obtains leg-of-mutton 3 angle [alpha], β and δ, β and δ is utilized automatically to adjust parameters such as the humitures of air conditioner according to actual needs.
Detection signal is launched by Doppler, can change by occurrence frequency after detection signal runs into target body, frequency change can be embodied in echoed signal, thus target body can be calculated apart from the distance between each sensor by echoed signal, position residing for each sensor can accurately be known, therefore the position of target body accurately can be determined based on the position residing for each sensor and the distance between target body and each sensor, solve the problem that accurately cannot identify position of human body in prior art, and then reach the effect improving the accuracy and precision identifying position of human body.
Fig. 3 is the process flow diagram of recognition methods according to a second embodiment of the present invention, the recognition methods of second embodiment of the invention is compared with the recognition methods of the invention described above first embodiment, the difference of the two is, in second embodiment of the invention, the location recognition (as shown in Figure 3) of target body can be carried out by the doppler sensor module of more than 3 or 3, also 2 in multiple doppler sensor module location recognition (identifying that the method for position of human body is identical with first embodiment of the invention) of carrying out target body can be adopted, other doppler sensor is as spare module, when being used for the sensor experiences failure of target body location recognition with box lunch, sensor for subsequent use can be devoted oneself to work in time, replace out of order sensor, the normal operation of guarantee system.Wherein, each doppler sensor can share same transmitter module, alone there is receiver module, be illustrated with the location recognition adopting 3 doppler sensor modules (the first doppler sensor modules A, the second doppler sensor module B and Tridoppler sensor assembly C) to carry out target body.
As shown in Figure 4, suppose that the distance between the first doppler sensor modules A and the second doppler sensor module B is L1, distance between second doppler sensor module B and Tridoppler sensor assembly C is L2, the echoed signal received separately as 3 doppler sensor modules A, B, C with transmit after mixing, amplification filtering, obtain backward energy P1, P2, P3.
First, utilize radar equation, can obtain target body respectively distance three doppler sensor modules distance R1, (wherein, wherein R2 equals R3 for R2, R3 and R4, R2 and R3 is target body respectively apart from the distance of the second doppler sensor module B), this radar equation is as follows:
In this equation, R is radius of investigation, P
tfor emissive power, G is antenna gain, A
efor antenna trapping area, σ is moving target scattering area, S
minfor receiving sensitivity.
Then, with doppler sensor A present position be the center of circle, with R1 to be that radius is done first circular, with doppler sensor B present position be the center of circle, with R2 to be that radius is done second circular, and obtains first circular and 2 intersection points that the second circle these 2 is circular; With doppler sensor B present position be the center of circle, with R3 to be that radius is done the 3rd circular, with doppler sensor C present position be the center of circle, with R4 to be that radius is done the 4th circular, and obtains the 3rd circular and 2 intersection points that the 4th circle these 2 is circular.
Finally, get in 2 intersection points of the first circle and the second circle and be positioned at doppler sensor module dead ahead (namely, the receiving end of doppler sensor is in face of the side of echoed signal) intersection point D be the first available point, get in 2 intersection points of the 3rd circle and the 4th circle and be positioned at doppler sensor module dead ahead (namely, the receiving end of doppler sensor is in face of the side of echoed signal) intersection point E be the second available point, connect DE line segment, obtain mid point, determine that this mid point is the judged result of target body position.
After the position accurately determining target body, can also control air conditioner according to the position of the target body determined, thus, the embodiment of the present invention additionally provides a kind of control method of air conditioner, the control method of this air conditioner is used for controlling air conditioner according to the position of the determined target body of the recognition methods of the embodiment of the present invention, particularly, in this embodiment, with intersection point D with the first doppler sensor A present position, second doppler sensor B present position is 3 some A on summit, B, D forms the first triangle, utilize R1, R2 and L1 obtains the first leg-of-mutton α, β, with intersection point E with the second doppler sensor B present position, Tridoppler sensor C present position is that 3 somes B, C, the E on summit form the second triangle, utilizes R3, R4 and L2 to obtain the second leg-of-mutton δ and ε.α, β, δ and ε is utilized automatically to adjust parameters such as the humitures of air conditioner according to actual needs.
Wherein, when adopt doppler sensor number more than 3 time, the available point number determined is more than or equal to 3, now, if available point point-blank, then the judged result using the center of available point line as target body position; If available point is not point-blank, then using the polygonal center of gravity of multiple available point successively line composition as the judged result of target body position.After identifying target body orientation in space, automatically adjust the parameters such as the humiture of air conditioner as required to improve the comfort level of human body.
The recognition methods of second embodiment of the invention is compared with the recognition methods of first embodiment of the invention, the effect that the recognition methods of the first embodiment of the invention that the recognition methods of second embodiment of the invention not only reaches can reach, but also reach when being used for the sensor experiences failure of target body location recognition, sensor for subsequent use can be devoted oneself to work in time, replace out of order sensor, ensure the effect of the normal operation of system; Simultaneously, when adopting multiple doppler sensor to carry out position of human body identification, using the polygonal center of gravity of the center of available point line or available point successively line composition as the judged result of target body position, reach the more accurate and accurate effect of identification for target body position.
In addition, the embodiment of the present invention additionally provides a kind of recognition device of position of human body, the recognition methods of position of human body of this recognition device for performing the above embodiment of the present invention and providing, particularly, this recognition device is made up of doppler sensor and processor, doppler sensor runs into the echoed signal after target body for launching detection signal and receiving detection signal, processor carries out mixing to echoed signal, the process such as amplification filtering, then the distance of target body range-doppler sensor is calculated, determine the position of target body further, processor can comprise a multiple or computing unit, to perform the calculating operation of processor, processor also can comprise acquiring unit and determining unit, to perform acquisition and the determination operation of processor.Further, the embodiment of the present invention additionally provides a kind of air conditioner, this air conditioner can for have employed the air conditioner of the recognition methods of the position of human body that the embodiment of the present invention provides, also can be the air conditioner of the recognition device and control device that comprise the position of human body that the embodiment of the present invention provides, air conditioner is by after identifying position of human body, specifically control the operational factor of air conditioner according to position of human body, reach the effect improving human body comfort.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a recognition methods for position of human body, is characterized in that, comprises
First doppler sensor sends the first detection signal;
Described first detection signal of first doppler sensor reception runs into the first echo signal after target body;
The first distance between described first doppler sensor and described target body is calculated according to described first echo signal;
Second doppler sensor sends the second detection signal;
Described second detection signal of second doppler sensor reception runs into the second echo signal after described target body;
The second distance between described second doppler sensor and described target body is calculated according to described second echo signal;
Obtain the position of described first doppler sensor and described second doppler sensor respectively;
According to the position of described first doppler sensor and described second doppler sensor and described first Distance geometry, second distance determines the position of described target body; And
Position according to described target body controls air conditioner,
Wherein, carry out control according to the position of described target body to air conditioner to comprise:
Be respectively summit with the position of described target body, described first doppler sensor and described second doppler sensor, obtain triangle;
Obtain described leg-of-mutton first limit and Second Edge, and the angle on described leg-of-mutton first limit and the 3rd limit, wherein, described leg-of-mutton first limit is the line between described first doppler sensor and described second doppler sensor, and described Second Edge and described 3rd limit are described first doppler sensor and the line of described second doppler sensor respectively and between described target body; And
According to described leg-of-mutton first limit and Second Edge, and the angle on described leg-of-mutton first limit and the 3rd limit controls described air conditioner.
2. method according to claim 1, is characterized in that, according to the position of described first doppler sensor and described second doppler sensor and described first Distance geometry, second distance determines that the position of described target body comprises:
With the position of described first doppler sensor for the center of circle, described first justifies apart from for radius, obtains the first circle;
With the position of described second doppler sensor for the center of circle, described second distance is that radius is justified, and obtains the second circle;
Obtain the intersection point of described first circle and described second circle; And
The position of described target body is determined according to described intersection point.
3. method according to claim 2, is characterized in that, determines that the position of described target body comprises according to described intersection point:
Judge whether described intersection point is positioned at the receiving end side of described first doppler sensor and described second doppler sensor; And
When judging that described intersection point is positioned at the receiving end side of described first doppler sensor and described second doppler sensor, determine that the position of described intersection point is the position of described target body.
4. method according to claim 1, is characterized in that, also comprises:
Tridoppler sensor sends the 3rd detection signal;
Described 3rd detection signal of Tridoppler sensor reception runs into the 3rd echoed signal after target body;
The 3rd distance between described Tridoppler sensor and described target body is calculated according to described 3rd echoed signal; And
Obtain the position of described Tridoppler sensor,
Wherein, according to the position of described first doppler sensor and described second doppler sensor and described first Distance geometry, second distance determines that the position of described target body comprises: the position determining described target body according to the position of described first doppler sensor, described second doppler sensor and described Tridoppler sensor and described first distance, described second distance and described 3rd distance.
5. method according to claim 4, it is characterized in that, determine that the position of described target body comprises according to the position of described first doppler sensor, described second doppler sensor and described Tridoppler sensor and described first distance, described second distance and described 3rd distance:
With the position of described first doppler sensor for the center of circle, described first justifies apart from for radius, obtains the first circle;
With the position of described second doppler sensor for the center of circle, described second distance is that radius is justified, and obtains the second circle;
With the position of described Tridoppler sensor for the center of circle, the described 3rd justifies apart from for radius, obtains the 3rd circle;
Obtain the first intersection point, wherein, described first intersection point is the intersection point of described first circle and described second circle;
Obtain the second intersection point, wherein, described second intersection point is the intersection point of described second circle and described 3rd circle; And
The position of described target body is determined according to described first intersection point and described second intersection point.
6. method according to claim 5, is characterized in that, determines that the position of described target body comprises according to described first intersection point and described second intersection point:
Judge whether described first intersection point is positioned at the receiving end side of described first doppler sensor and described second doppler sensor;
Judge whether described second intersection point is positioned at the receiving end side of described second doppler sensor and described Tridoppler sensor; And
Judging that described first intersection point is positioned at the receiving end side of described first doppler sensor and described second doppler sensor, and when described second intersection point is positioned at the receiving end side of described second doppler sensor and described Tridoppler sensor, determine that the center of the line of described first intersection point and described second intersection point is the position of described target body.
7. the method according to any one of claim 4 to 6, it is characterized in that, after determining the position of described target body according to the position of described first doppler sensor, described second doppler sensor and described Tridoppler sensor and described first distance, described second distance and described 3rd distance, described method also comprises:
Position according to described target body controls air conditioner.
8. method according to claim 7, is characterized in that, carries out control comprise according to the position of described target body to air conditioner:
Be respectively summit with the position of described target body, described first doppler sensor and described second doppler sensor, obtain the first triangle;
Obtain described first leg-of-mutton first limit and the first leg-of-mutton Second Edge, and the angle on described first leg-of-mutton first limit and the first leg-of-mutton 3rd limit, wherein, described first leg-of-mutton first limit is the line between described first doppler sensor and described second doppler sensor, and described first leg-of-mutton Second Edge and described first leg-of-mutton 3rd limit are described first doppler sensor and the line of described second doppler sensor respectively and between described target body;
Be respectively summit with the position of described target body, described second doppler sensor and described Tridoppler sensor, obtain the second triangle;
Obtain described second leg-of-mutton first limit and the second leg-of-mutton Second Edge, and the angle on described second leg-of-mutton first limit and the second leg-of-mutton 3rd limit, wherein, described second leg-of-mutton Second Edge is the line between described second doppler sensor and described Tridoppler sensor, and described second leg-of-mutton Second Edge and described second leg-of-mutton 3rd limit are described second doppler sensor and the line of described Tridoppler sensor respectively and between described target body; And
According to the angle on described first leg-of-mutton first limit and described first leg-of-mutton Second Edge, described first leg-of-mutton first limit and described first leg-of-mutton 3rd limit, and described second leg-of-mutton first limit and described second leg-of-mutton Second Edge, described second leg-of-mutton first limit and described second leg-of-mutton 3rd limit angle described air conditioner is controlled.
9. a recognition device for position of human body, is characterized in that, comprising:
First doppler sensor, for sending the first detection signal, receive described first detection signal run into target body after first echo signal;
First computing unit, is connected with described first doppler sensor, for calculating the first distance between described first doppler sensor and described target body according to described first echo signal;
Second doppler sensor, for sending the second detection signal, receive described second detection signal run into target body after second echo signal;
Second computing unit, for calculating the second distance between described second doppler sensor and described target body according to described second echo signal;
Acquiring unit, for obtaining the position of described first doppler sensor and described second doppler sensor respectively;
Determining unit, determines the position of described target body for second distance according to the position of described first doppler sensor and described second doppler sensor and described first Distance geometry; And
According to the unit that the position of described target body controls air conditioner,
Wherein, according to the position of described target body, the unit that air conditioner controls is comprised:
Be respectively summit with the position of described target body, described first doppler sensor and described second doppler sensor, obtain leg-of-mutton subelement;
Obtain described leg-of-mutton first limit and Second Edge, and the subelement of the angle on described leg-of-mutton first limit and the 3rd limit, wherein, described leg-of-mutton first limit is the line between described first doppler sensor and described second doppler sensor, and described Second Edge and described 3rd limit are described first doppler sensor and the line of described second doppler sensor respectively and between described target body; And
According to described leg-of-mutton first limit and Second Edge, and the subelement that the angle on described leg-of-mutton first limit and the 3rd limit controls described air conditioner.
10. device according to claim 9, is characterized in that, also comprises:
Tridoppler sensor, for sending the 3rd detection signal, receive described 3rd detection signal run into target body after the 3rd echoed signal; And
3rd computing unit, is connected with described Tridoppler sensor, for calculating the 3rd distance between described Tridoppler sensor and described target body according to described 3rd echoed signal,
Wherein, the position that described acquiring unit is used for obtaining respectively described first doppler sensor and described second doppler sensor comprises: described acquiring unit is used for obtaining described first doppler sensor respectively, the position of described second doppler sensor and described Tridoppler sensor, described determining unit is used for second distance according to the position of described first doppler sensor and described second doppler sensor and described first Distance geometry and determines that the position of described target body comprises: described determining unit is used for according to described first doppler sensor, the position of described second doppler sensor and described Tridoppler sensor and described first distance, described second distance and described 3rd distance determine the position of described target body.
11. 1 kinds of air conditioners, is characterized in that, comprising:
Recognition device described in claim 9 or 10; And
Control device.
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| CN105404263A (en) * | 2015-12-11 | 2016-03-16 | 珠海格力电器股份有限公司 | Intelligent wearable device, air conditioner operation interaction system and control method |
| CN106642517B (en) * | 2016-09-12 | 2018-11-20 | 珠海格力电器股份有限公司 | Temperature adjusting method and device of air conditioner and air conditioner |
| WO2019026638A1 (en) * | 2017-07-31 | 2019-02-07 | ダイキン工業株式会社 | Sensor unit and air conditioner |
| CN108679798B (en) * | 2018-04-02 | 2020-08-04 | 广东美的制冷设备有限公司 | Air conditioner and control method thereof |
| CN110873444A (en) * | 2018-08-31 | 2020-03-10 | 青岛海尔智能技术研发有限公司 | Air conditioner control method and device, air conditioner, computer equipment and storage medium |
| CN109114746A (en) * | 2018-09-30 | 2019-01-01 | 珠海格力电器股份有限公司 | Object detection system, object detection method, air conditioning system, and computer-readable storage medium |
| CN112241009A (en) * | 2019-07-19 | 2021-01-19 | 广东美的白色家电技术创新中心有限公司 | Human body orientation identification method and device and temperature regulation and control equipment |
| CN113701317B (en) * | 2020-05-22 | 2022-09-09 | 广东美的制冷设备有限公司 | Air conditioning system, control method of air conditioning system, and computer-readable storage medium |
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| GB0410608D0 (en) * | 2004-05-12 | 2004-06-16 | Nokia Corp | Locating mobile terminals |
| KR100855000B1 (en) * | 2007-04-27 | 2008-08-28 | 삼성전자주식회사 | Air conditioner and control method thereof |
| KR101558504B1 (en) * | 2008-12-26 | 2015-10-07 | 엘지전자 주식회사 | Air conditioner and operating method thereof |
| CN102081154B (en) * | 2009-11-30 | 2013-12-11 | 北京时代凌宇科技有限公司 | Multi-target real-time positioning device and positioning method |
| CN202533576U (en) * | 2012-03-08 | 2012-11-14 | 珠海格力电器股份有限公司 | human body position recognition device and air conditioner |
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