CN103308908A - 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 and device and air conditioner of position of human body.
Background technology
In the prior art, usually adopt infrared sensor or image imaging technology to detect, to obtain the residing particular location of human body, but the mode that the employing infrared sensor detects is owing to can not well solve the passive ranging problem, the mode that employing image imaging technology detects is because algorithm is complicated, error is large and real-time is poor, all can cause and can't accurately identify position of human body.
Problem for can't accurately identifying position of human body in the correlation technique not yet proposes effective solution at present.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of recognition methods and device and air conditioner of position of human body, to solve the problem that can't accurately identify position of human body in the 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, comprised that the first doppler sensor sends the first detection signal; The first doppler sensor receives the first echo signal after the first detection signal runs into target body; Calculate the first distance between the first doppler sensor and the target body according to first echo signal; The second doppler sensor sends the second detection signal; The second doppler sensor receives the second echo signal after the second detection signal runs into target body; Calculate second distance between the second doppler sensor and the target body according to second echo signal; Obtain respectively the position of the first doppler sensor and the second doppler sensor; Determine the position of target body according to the position of the first doppler sensor and the second doppler sensor and the first distance and second distance.
Further, determine that according to the position of the first doppler sensor and the second doppler sensor and the first distance and second distance the position of target body comprises: take the position of the first doppler sensor as the center of circle, the first distance is justified for radius, obtains the first circle; Take the position of the second doppler sensor as 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 the position of determining target body according to intersection point.
Further, determine that according to intersection point the position of target body comprises: judge whether intersection point is positioned at receiving end one side of the first doppler sensor and the second doppler sensor; And when judging that intersection point is positioned at receiving end one side of the first doppler sensor and the second doppler sensor, the position of determining 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 and the second doppler sensor and the first distance and second distance, the recognition methods of position of human body also comprises: the position according to target body is controlled air conditioner.
Further, according to the position of target body air conditioner is controlled and comprised: the position with target body, the first doppler sensor and the second doppler sensor is respectively the summit, obtains triangle; Obtain leg-of-mutton first side and Second Edge, and the angle on leg-of-mutton first side and the 3rd limit, wherein, leg-of-mutton first side is the line between the first doppler sensor and the second doppler sensor, Second Edge and the 3rd limit be the first doppler sensor and the second doppler sensor respectively and the line between the target body; And according to leg-of-mutton first side and Second Edge, and the angle on leg-of-mutton first side and the 3rd limit is controlled air conditioner.
Further, the recognition methods of position of human body also comprises: the Tridoppler sensor sends the 3rd detection signal; The Tridoppler sensor receives the 3rd echoed signal after the 3rd detection signal runs into target body; Calculate the 3rd distance between Tridoppler sensor and the target body according to the 3rd echoed signal; And the position that obtains the Tridoppler sensor, wherein, determine that according to the position of the first doppler sensor and the second doppler sensor and the first distance and second distance the position of target body comprises: the position of determining target body according to position and the first distance, second distance and the 3rd distance of the first doppler sensor, the second doppler sensor and Tridoppler sensor.
Further, determine that 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 position of target body comprises: take the position of the first doppler sensor as the center of circle, the first distance is justified for radius, obtains the first circle; Take the position of the second doppler sensor as the center of circle, second distance is that radius is justified, and obtains the second circle; Take the position of Tridoppler sensor as the center of circle, the 3rd distance is justified 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 the position of determining target body according to the first intersection point and the second intersection point.
Further, determine that according to the first intersection point and the second intersection point the position of target body comprises: judge whether the first intersection point is positioned at receiving end one side of the first doppler sensor and the second doppler sensor; Judge whether the second intersection point is positioned at receiving end one side of the second doppler sensor and Tridoppler sensor; And judging that the first intersection point is positioned at receiving end one side of the first doppler sensor and the second doppler sensor, and when the second intersection point was positioned at receiving end one side of the second doppler sensor and Tridoppler sensor, the center of determining the line of the first intersection point and the second intersection point was 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 is controlled air conditioner.
Further, according to the position of target body air conditioner is controlled and comprised: the position with target body, the first doppler sensor and the second doppler sensor is respectively the summit, obtains the first triangle; Obtain the first leg-of-mutton first side and the first leg-of-mutton Second Edge, and the angle on first leg-of-mutton first side and the first leg-of-mutton the 3rd limit, wherein, the first leg-of-mutton first side is the line between the first doppler sensor and the second doppler sensor, the first leg-of-mutton Second Edge and the first leg-of-mutton the 3rd limit be the first doppler sensor and the second doppler sensor respectively and the line between the target body; And be respectively the 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 side and the second leg-of-mutton Second Edge, and the angle on second leg-of-mutton first side and the second leg-of-mutton the 3rd limit, wherein, the second leg-of-mutton Second Edge is the line between the second doppler sensor and the Tridoppler sensor, the second leg-of-mutton Second Edge and the second leg-of-mutton the 3rd limit be the second doppler sensor and Tridoppler sensor respectively and the line between the target body; And according to the angle on the first leg-of-mutton first side and the first leg-of-mutton Second Edge, the first leg-of-mutton first side and the first leg-of-mutton the 3rd limit, and the angle on the second leg-of-mutton first side and the second leg-of-mutton Second Edge, the second leg-of-mutton first side and the second leg-of-mutton the 3rd limit is controlled air conditioner.
To achieve these goals, according to a further aspect in the invention, provide a kind of recognition device of position of human body, this device be used for to be carried out the recognition methods of the position of human body that foregoing of the present invention provides.
To achieve these goals, according to a further aspect in the invention, provide a kind of recognition device of position of human body, having comprised: the first doppler sensor, be used for sending the first detection signal, receive the first echo signal after the first detection signal runs into target body; The first computing unit is connected with the first doppler sensor, for the first distance of calculating according to first echo signal between the first doppler sensor and the target body; The second doppler sensor is used for sending the second detection signal, receives the second echo signal after the second detection signal runs into target body; The second computing unit is for the second distance that calculates according to second echo signal between the second doppler sensor and the target body; Acquiring unit is for the position that obtains respectively the first doppler sensor and the second doppler sensor; And determining unit, be used for determining according to the position of the first doppler sensor and the second doppler sensor and the first distance and second distance the position of target body.
Further, the position of human body recognition device also comprises: the Tridoppler sensor, be used for sending the 3rd detection signal, and receive the 3rd echoed signal after the 3rd detection signal runs into target body; And the 3rd computing unit, be connected with the Tridoppler sensor, for the 3rd distance of calculating according to the 3rd echoed signal between Tridoppler sensor and the target body, wherein, acquiring unit comprises for the position that obtains respectively the first doppler sensor and the second doppler sensor: acquiring unit is used for obtaining respectively the first doppler sensor, the position of the second doppler sensor and Tridoppler sensor, determining unit are used for determining that according to the position of the first doppler sensor and the second doppler sensor and the first distance and second distance the position of target body comprises: 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 are determined the position of target body.
To achieve these goals, according to a further aspect in the invention, provide a kind of air conditioner, having comprised: any recognition device that foregoing of the present invention provides; And control device.
By the present invention, adopt the first doppler sensor to send the first detection signal; The first doppler sensor receives the first echo signal after the first detection signal runs into target body; Calculate the first distance between the first doppler sensor and the target body according to first echo signal; The second doppler sensor sends the second detection signal; The second doppler sensor receives the second echo signal after the second detection signal runs into target body; Calculate second distance between the second doppler sensor and the target body according to second echo signal; Obtain respectively the position of the first doppler sensor and the second doppler sensor; Determine the position of target body according to the position of the first doppler sensor and the second doppler sensor and the first distance and second distance, launch detection signal by Doppler, after running into target body, detection signal can change by occurrence frequency, frequency change can be embodied in the echoed signal, thereby can calculate target body apart from the distance between each sensor by echoed signal, because the residing position of each sensor can accurately be known, therefore can accurately determine the position of target body based on the distance between the residing position of each sensor and target body and each sensor, solved in the prior art and can't accurately identify the problem of position of human body, and then reached the effect of the accuracy and precision that improves the identification position of human body.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the process flow diagram according to the recognition methods of the position of human body of first embodiment of the invention;
Fig. 2 is the schematic diagram of determining the position of target body according to the recognition methods of first embodiment of the invention;
Fig. 3 is the process flow diagram according to the recognition methods of the position of human body of second embodiment of the invention; And
Fig. 4 is the schematic diagram of determining the position of target body according to the recognition methods of second embodiment of the invention.
Embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature among the embodiment among the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Fig. 1 is the process flow diagram according to the recognition methods of the position of human body of first embodiment of the invention, and as shown in Figure 1, the method comprises that following step S102 is to step S116.
S102: the first doppler sensor sends the first detection signal.
S104: the first doppler sensor receives the first echo signal after the first detection signal runs into target body.
S106: calculate the first distance between the first doppler sensor and the target body according to first echo signal.
S108: the second doppler sensor sends the second detection signal.
S110: the second doppler sensor receives the second echo signal after the second detection signal runs into target body.
S112: calculate second distance between the second doppler sensor and the target body according to second echo signal.
S114: the position that obtains respectively the first doppler sensor and the second doppler sensor.
S116: the position of determining target body according to the position of the first doppler sensor and the second doppler sensor and the first distance and second distance.
In the recognition methods of above-mentioned position of human body, because the residing position of each sensor can accurately be known, and the distance between target body and each sensor can accurately be determined, thereby, in the recognition methods of the position of human body by the embodiment of the invention, can identify exactly the position of target body.
Particularly, in first embodiment of the invention, utilize 2 doppler sensor modules (the first doppler sensor modules A and the second doppler sensor module B) realization to the identification in target body orientation.2 doppler sensors can share same transmitter module, and each sensor has independent receiver module, mutually maintain a certain distance between the doppler sensor module.
Recognition methods below in conjunction with 2 to 4 pairs of embodiment of the invention of accompanying drawing is further set forth:
As shown in Figure 2, suppose that the distance between 2 doppler sensor modules A and the B is L, when echoed signal that 2 doppler sensor modules receive separately with transmit through mixing, amplification filtering after, receive backward energy P.
At first, according to radar equation, can obtain target body respectively distance R 1 and the R2 of two doppler sensor modules of distance, this radar equation is as follows:
In this equation, R is radius of investigation, P
tBe emissive power, G is antenna gain, A
eBe the antenna trapping area, σ is the moving target scattering area, S
MinBe receiving sensitivity.
Then, take R1 as radius, doppler sensor modules A present position makes the first circle as the center of circle, take R2 as radius, doppler sensor module B present position makes the second circle as the center of circle, obtain 2 intersection points (because target body can not be in the middle of 2 modules, so do not consider the situation of an intersection point) of the first circle and second circular these 2 circles.
At last, the intersection point C that gets doppler sensor module dead ahead (that is, the receiving end of doppler sensor is in face of a side of echoed signal) is available point (that is, the position of determined target body).
After accurately determining the position of target body, can also control air conditioner according to the position of the target body of determining, thereby, the embodiment of the invention also provides a kind of control method of air conditioner, the control method of this air conditioner is used for according to the position of the determined target body of recognition methods of the embodiment of the invention air conditioner being controlled, particularly, in this embodiment, with intersection point C and 3 some A take 2 doppler sensor module present positions as the summit, B, C forms triangle, utilize R1, R2 and L obtain leg-of-mutton 3 angle [alpha], β and δ utilize β and δ according to actual needs the parameters such as humiture of air conditioner to be adjusted automatically.
Launch detection signal by Doppler, after running into target body, detection signal can change by occurrence frequency, frequency change can be embodied in the echoed signal, thereby can calculate target body apart from the distance between each sensor by echoed signal, because the residing position of each sensor can accurately be known, therefore can accurately determine the position of target body based on the distance between the residing position of each sensor and target body and each sensor, solved in the prior art and can't accurately identify the problem of position of human body, and then reached the effect of the accuracy and precision that improves the identification position of human body.
Fig. 3 is the process flow diagram according to the recognition methods of second embodiment of the invention, the recognition methods of second embodiment of the invention is compared with the recognition methods of the invention described above the first embodiment, the difference of the two is, in second embodiment of the invention, can carry out by the doppler sensor module more than 3 or 3 location recognition (as shown in Figure 3) of target body, also can adopt in a plurality of doppler sensor modules 2 to carry out the location recognition (method of identification position of human body with first embodiment of the invention in identical) of target body, other doppler sensor is as spare module, when the sensor that is used for the target body location recognition with box lunch breaks down, sensor for subsequent use can in time be devoted oneself to work, replace out of order sensor, guarantee the normal operation of system.Wherein, each doppler sensor can share same transmitter module, have alone receiver module, be illustrated with the location recognition that adopts 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 the second doppler sensor module B and the Tridoppler sensor assembly C is L2, when echoed signal that 3 doppler sensor modules A, B, C receive separately with transmit through mixing, amplification filtering after, obtain backward energy P1, P2, P3.
At first, utilize radar equation, can obtain target body respectively the distance three doppler sensor modules distance R 1, R2, R3 and R4 (wherein, wherein R2 equals R3, R2 and R3 are the respectively distance of distance the second doppler sensor module B of target body), this radar equation is as follows:
In this equation, R is radius of investigation, P
tBe emissive power, G is antenna gain, A
eBe the antenna trapping area, σ is the moving target scattering area, S
MinBe receiving sensitivity.
Then, make the first circle take doppler sensor A present position as the center of circle, take R1 as radius, make the second circle take doppler sensor B present position as the center of circle, take R2 as radius, and obtain 2 intersection points of first circular and second these 2 circles of circle; Make the 3rd circle take doppler sensor B present position as the center of circle, take R3 as radius, make the 4th circle take doppler sensor C present position as the center of circle, take R4 as radius, and obtain 2 intersection points of the 3rd circular and the 4th these 2 circles of circle.
At last, get in 2 intersection points of first circular and the second circle and be positioned at doppler sensor module dead ahead (namely, the receiving end of doppler sensor is in face of a side of echoed signal) intersection point D be the first available point, get in 2 intersection points of the 3rd circular and the 4th circle and be positioned at doppler sensor module dead ahead (namely, the receiving end of doppler sensor is in face of a side of echoed signal) intersection point E be the second available point, connect the DE line segment, obtain mid point, determine that this mid point is the judged result of target body position.
After accurately determining the position of target body, can also control air conditioner according to the position of the target body of determining, thereby, the embodiment of the invention also provides a kind of control method of air conditioner, the control method of this air conditioner is used for according to the position of the determined target body of recognition methods of the embodiment of the invention air conditioner being controlled, particularly, in this embodiment, with intersection point D with the first doppler sensor A present position, the second doppler sensor B present position is 3 some A on summit, B, D forms the first triangle, utilizes R1, R2 and L1 obtain 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 some 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.Utilize α, β, δ and ε according to actual needs the parameters such as humiture of air conditioner to be adjusted automatically.
Wherein, when the number that adopts doppler sensor more than 3 the time, the available point number of determining is more than or equal to 3, at this moment, if available point is point-blank, then with the center of the available point line judged result as the target body position; If available point is not point-blank, the polygonal center of gravity that then forms with a plurality of available points successively line is as the judged result of target body position.After identifying the orientation of target body in the space, automatically adjust as required the parameters such as humiture of air conditioner 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 reached when the sensor that is used for the target body location recognition breaks down, sensor for subsequent use can in time be devoted oneself to work, replace out of order sensor, guarantee the effect of the normal operation of system; Simultaneously, when adopting a plurality of doppler sensors to carry out position of human body identification, the polygonal center of gravity that forms with the center of available point line or available point successively line has reached for the more accurate and accurate effect of the identification of target body position as the judged result of target body position.
In addition, the embodiment of the invention also provides a kind of recognition device of position of human body, this recognition device be used for to be carried out the recognition methods of the position of human body that the above embodiment of the present invention provides, particularly, this recognition device is comprised of doppler sensor and processor, doppler sensor is used for the emission detection signal and receives echoed signal after detection signal runs into target body, processor carries out mixing to echoed signal, the processing such as amplification filtering, then calculate the distance of target body range Doppler sensor, further determine the position of target body, processor can comprise a plurality of or a computing unit, to carry out the calculating operation of processor, processor also can comprise acquiring unit and determining unit, to carry out obtaining and definite operation of processor.Further, the embodiment of the invention also provides a kind of air conditioner, this air conditioner can be the air conditioner of the recognition methods of having adopted the position of human body that the embodiment of the invention provides, also can be the recognition device that comprises the position of human body that the embodiment of the invention provides and the air conditioner of control device, air conditioner is by after identifying position of human body, specifically control the operational factor of air conditioner according to position of human body, reached the effect that improves human body comfort.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and 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 modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. the recognition methods of a position of human body is characterized in that, comprises
The first doppler sensor sends the first detection signal;
The first doppler sensor receives the first echo signal after described the first detection signal runs into target body;
Calculate the first distance between described the first doppler sensor and the described target body according to described first echo signal;
The second doppler sensor sends the second detection signal;
The second doppler sensor receives the second echo signal after described the second detection signal runs into described target body;
Calculate second distance between described the second doppler sensor and the described target body according to described second echo signal;
Obtain respectively the position of described the first doppler sensor and described the second doppler sensor; And
Determine the position of described target body according to the position of described the first doppler sensor and described the second doppler sensor and described the first distance and described second distance.
2. method according to claim 1 is characterized in that, determines that according to the position of described the first doppler sensor and described the second doppler sensor and described the first distance and described second distance the position of described target body comprises:
Take the position of described the first doppler sensor as the center of circle, described the first distance is justified for radius, obtains the first circle;
Take the position of described the second doppler sensor as the center of circle, described second distance is that radius is justified, and obtains the second circle;
Obtain the intersection point of described the first circle and described the second circle; And
Determine the position of described target body according to described intersection point.
3. method according to claim 2 is characterized in that, determines that according to described intersection point the position of described target body comprises:
Judge whether described intersection point is positioned at receiving end one side of described the first doppler sensor and described the second doppler sensor; And
When judging that described intersection point is positioned at receiving end one side of described the first doppler sensor and described the second doppler sensor, the position of determining described intersection point is the position of described target body.
4. each described method in 3 according to claim 1, it is characterized in that, after determining the position of described target body according to the position of described the first doppler sensor and described the second doppler sensor and described the first distance and described second distance, described method also comprises:
Position according to described target body is controlled air conditioner.
5. method according to claim 4 is characterized in that, according to the position of described target body air conditioner is controlled to comprise:
Position with described target body, described the first doppler sensor and described the second doppler sensor is respectively the summit, obtains triangle;
Obtain described leg-of-mutton first side and Second Edge, and the angle on described leg-of-mutton first side and the 3rd limit, wherein, described leg-of-mutton first side is the line between described the first doppler sensor and described the second doppler sensor, described Second Edge and described the 3rd limit be described the first doppler sensor and described the second doppler sensor respectively and the line between the described target body; And
According to described leg-of-mutton first side and Second Edge, and the angle on described leg-of-mutton first side and the 3rd limit is controlled described air conditioner.
6. method according to claim 1 is characterized in that, also comprises:
The Tridoppler sensor sends the 3rd detection signal;
The Tridoppler sensor receives the 3rd echoed signal after described the 3rd detection signal runs into target body;
Calculate the 3rd distance between described Tridoppler sensor and the described target body according to described the 3rd echoed signal; And
Obtain the position of described Tridoppler sensor,
Wherein, determine that according to the position of described the first doppler sensor and described the second doppler sensor and described the first distance and described second distance the position of described target body comprises: the position of determining described target body according to position and described the first distance, described second distance and described the 3rd distance of described the first doppler sensor, described the second doppler sensor and described Tridoppler sensor.
7. method according to claim 6, it is characterized in that, determine that according to position and described the first distance, described second distance and described the 3rd distance of described the first doppler sensor, described the second doppler sensor and described Tridoppler sensor the position of described target body comprises:
Take the position of described the first doppler sensor as the center of circle, described the first distance is justified for radius, obtains the first circle;
Take the position of described the second doppler sensor as the center of circle, described second distance is that radius is justified, and obtains the second circle;
Take the position of described Tridoppler sensor as the center of circle, described the 3rd distance is justified for radius, obtains the 3rd circle;
Obtain the first intersection point, wherein, described the first intersection point is the intersection point of described the first circle and described the second circle;
Obtain the second intersection point, wherein, described the second intersection point is the intersection point of described the second circle and described the 3rd circle; And
Determine the position of described target body according to described the first intersection point and described the second intersection point.
8. method according to claim 7 is characterized in that, determines that according to described the first intersection point and described the second intersection point the position of described target body comprises:
Judge whether described the first intersection point is positioned at receiving end one side of described the first doppler sensor and described the second doppler sensor;
Judge whether described the second intersection point is positioned at receiving end one side of described the second doppler sensor and described Tridoppler sensor; And
Judging that described the first intersection point is positioned at receiving end one side of described the first doppler sensor and described the second doppler sensor, and when described the second intersection point was positioned at receiving end one side of described the second doppler sensor and described Tridoppler sensor, the center of determining the line of described the first intersection point and described the second intersection point was the position of described target body.
9. each described method in 8 according to claim 6, it is characterized in that, after determining the position of described target body according to the position of described the first doppler sensor, described the second doppler sensor and described Tridoppler sensor and described the first distance, described second distance and described the 3rd distance, described method also comprises:
Position according to described target body is controlled air conditioner.
10. method according to claim 9 is characterized in that, according to the position of described target body air conditioner is controlled to comprise:
Position with described target body, described the first doppler sensor and described the second doppler sensor is respectively the summit, obtains the first triangle;
Obtain the described first leg-of-mutton first side and the first leg-of-mutton Second Edge, and the angle on described first leg-of-mutton first side and the first leg-of-mutton the 3rd limit, wherein, the described first leg-of-mutton first side is the line between described the first doppler sensor and described the second doppler sensor, the described first leg-of-mutton Second Edge and the described first leg-of-mutton the 3rd limit be described the first doppler sensor and described the second doppler sensor respectively and the line between the described target body;
Position with described target body, described the second doppler sensor and described Tridoppler sensor is respectively the summit, obtains the second triangle;
Obtain the described second leg-of-mutton first side and the second leg-of-mutton Second Edge, and the angle on described second leg-of-mutton first side and the second leg-of-mutton the 3rd limit, wherein, the described second leg-of-mutton Second Edge is the line between described the second doppler sensor and the described Tridoppler sensor, the described second leg-of-mutton Second Edge and the described second leg-of-mutton the 3rd limit be described the second doppler sensor and described Tridoppler sensor respectively and the line between the described target body; And
According to the angle on the described first leg-of-mutton first side and the described first leg-of-mutton Second Edge, the described first leg-of-mutton first side and the described first leg-of-mutton the 3rd limit, and the angle on the described second leg-of-mutton first side and the described second leg-of-mutton Second Edge, the described second leg-of-mutton first side and the described second leg-of-mutton the 3rd limit is controlled described air conditioner.
11. the recognition device of a position of human body is characterized in that, comprising:
The first doppler sensor is used for sending the first detection signal, receives the first echo signal after described the first detection signal runs into target body;
The first computing unit is connected with described the first doppler sensor, for the first distance of calculating according to described first echo signal between described the first doppler sensor and the described target body;
The second doppler sensor is used for sending the second detection signal, receives the second echo signal after described the second detection signal runs into target body;
The second computing unit is for the second distance that calculates according to described second echo signal between described the second doppler sensor and the described target body;
Acquiring unit is for the position that obtains respectively described the first doppler sensor and described the second doppler sensor; And
Determining unit is used for determining according to the position of described the first doppler sensor and described the second doppler sensor and described the first distance and described second distance the position of described target body.
12. device according to claim 11 is characterized in that, also comprises:
The Tridoppler sensor is used for sending the 3rd detection signal, receives the 3rd echoed signal after described the 3rd detection signal runs into target body; And
The 3rd computing unit is connected with described Tridoppler sensor, for the 3rd distance of calculating according to described the 3rd echoed signal between described Tridoppler sensor and the described target body,
Wherein, described acquiring unit comprises for the position that obtains respectively described the first doppler sensor and described the second doppler sensor: described acquiring unit is used for obtaining respectively described the first doppler sensor, the position of described the second doppler sensor and described Tridoppler sensor, described determining unit are used for determining that according to the position of described the first doppler sensor and described the second doppler sensor and described the first distance and described second distance the position of described target body comprises: described determining unit is used for according to described the first doppler sensor, the position of described the second doppler sensor and described Tridoppler sensor and described the first distance, described second distance and described the 3rd distance are determined the position of described target body.
13. an air conditioner is characterized in that, comprising:
Claim 11 or 12 described recognition devices; And
Control device.
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| CN201210060630.9A CN103308908B (en) | 2012-03-08 | 2012-03-08 | Human body position identification method and device and air conditioner |
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