CN202533576U - Human body position identification device and air conditioner - Google Patents
Human body position identification device and air conditioner Download PDFInfo
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- CN202533576U CN202533576U CN2012200863996U CN201220086399U CN202533576U CN 202533576 U CN202533576 U CN 202533576U CN 2012200863996 U CN2012200863996 U CN 2012200863996U CN 201220086399 U CN201220086399 U CN 201220086399U CN 202533576 U CN202533576 U CN 202533576U
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- doppler sensor
- human body
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Abstract
The utility model discloses a human body position identification device and an air conditioner. The human body position identification device comprises a first Doppler sensor, a first calculation unit, a second Doppler sensor, a second calculation unit, an acquisition unit and a determining unit. The first Doppler sensor is used for sending a first detection signal and receiving a first echo signal after the first detection signal encountering a target human body. The first calculation unit is used for calculating a first distance between the first Doppler sensor and the target human body. The second Doppler sensor is used for sending a second detection signal and receiving a second echo signal after the second detection signal encountering the target human body. The second calculation unit is used for calculating a second distance between the second Doppler sensor and the target human body. The acquisition unit is used for respectively acquiring positions of the first Doppler sensor and the second Doppler sensor. The determining unit is used for determining the position of the target human body. The human body position identification device solves the problem that human body position can not be precisely identified in the prior art, and effects of improving accuracy and precision of human body position identification are achieved.
Description
Technical field
The utility model relates to position of human body identification field, in particular to a kind of recognition 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; Obtaining the residing particular location of human body, but adopt the mode that infrared sensor detects, adopt mode that the image imaging technology detects because complex algorithm owing to can not well solve the passive ranging problem; Error is big and real-time is poor, all can cause and can't accurately discern position of human body.
Problem to can't accurately discerning position of human body in the correlation technique does not propose effective solution at present as yet.
The utility model content
The fundamental purpose of the utility model is to provide a kind of recognition device and air conditioner of position of human body, to solve the problem that can't accurately discern position of human body in the prior art.
To achieve these goals; According to an aspect of the utility model, a kind of recognition device of position of human body is provided, comprising: first doppler sensor; Be used to send first detection signal, receive the first echo signal after first detection signal runs into target body; First computing unit is connected with first doppler sensor, is used for calculating first distance between first doppler sensor and the target body according to first echo signal; Second doppler sensor is used to send second detection signal, receives the second echo signal after second detection signal runs into target body; Second computing unit is used for calculating the second distance between second doppler sensor and the target body according to second echo signal; Acquiring unit is used for obtaining respectively the position of first doppler sensor and second doppler sensor; And definite unit, be used for confirming the position of target body according to the position of first doppler sensor and second doppler sensor and first distance and second distance.
Further, the position of human body recognition device also comprises: the Tridoppler sensor, be used to send the 3rd detection signal, and receive the 3rd echoed signal after the 3rd detection signal runs into target body; And the 3rd calculating unit; Be connected with the Tridoppler sensor; Be used for calculating the 3rd distance between Tridoppler sensor and the target body according to the 3rd echoed signal; Wherein, The position that acquiring unit is used for obtaining respectively first doppler sensor and second doppler sensor comprises: acquiring unit is used for obtaining respectively the position of first doppler sensor, second doppler sensor and Tridoppler sensor, confirms that the unit is used for confirming that according to the position of first doppler sensor and second doppler sensor and first distance and second distance the position of target body comprises: confirm that the unit is used for the position of confirming target body according to position and first distance, second distance and the 3rd distance of first doppler sensor, second doppler sensor and Tridoppler sensor.
To achieve these goals, according to the utility model on the other hand, a kind of air conditioner is provided, has comprised: any recognition device that the utility model foregoing is provided; And control device.
Through the utility model, adopt the recognition device of the position of human body that comprises following structure: first doppler sensor, be used to send first detection signal, receive the first echo signal after first detection signal runs into target body; First computing unit is connected with first doppler sensor, is used for calculating first distance between first doppler sensor and the target body according to first echo signal; Second doppler sensor is used to send second detection signal, receives the second echo signal after second detection signal runs into target body; Second computing unit is used for calculating the second distance between second doppler sensor and the target body according to second echo signal; Acquiring unit is used for obtaining respectively the position of first doppler sensor and second doppler sensor; And definite unit; Be used for confirming the position of target body according to the position of first doppler sensor and second doppler sensor and first distance and second distance; Through Doppler's emitting detection signal; After detection signal runs into target body, can change by occurrence frequency, change of frequency can be embodied in the echoed signal, thereby can calculate target body apart from the distance between each sensor through 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, solve in the prior art and can't accurately discern the problem of position of human body, and then reach the accuracy of raising identification position of human body and the effect of degree of accuracy.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the process flow diagram according to the recognition methods of the position of human body of the utility model first embodiment;
Fig. 2 is a synoptic diagram of confirming the position of target body according to the recognition methods of the utility model first embodiment;
Fig. 3 is the synoptic diagram according to the recognition device of the position of human body of the utility model second embodiment; And
Fig. 4 is a synoptic diagram of confirming the position of target body according to the recognition methods of the utility model second embodiment.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the utility model.
Fig. 1 is the process flow diagram according to the recognition methods of the position of human body of the utility model first embodiment, and is as shown in Figure 1, and this method comprises that following step S102 is to step S116.
S102: first doppler sensor sends first detection signal.
S104: first doppler sensor receives the first echo signal after first detection signal runs into target body.
S106: calculate first distance between first doppler sensor and the target body according to first echo signal.
S108: second doppler sensor sends second detection signal.
S110: second doppler sensor receives the second echo signal after second detection signal runs into target body.
S112: calculate the second distance between second doppler sensor and the target body according to second echo signal.
S114: the position that obtains first doppler sensor and second doppler sensor respectively.
S116: the position of confirming target body according to the position of first doppler sensor and second doppler sensor and 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 confirmed; Thereby, in the recognition methods of the position of human body through the utility model embodiment, can identify the position of target body exactly.
Particularly, in the utility model first embodiment, utilize 2 doppler sensor modules (the first doppler sensor modules A and the second doppler sensor module B) to realize identification to the target body orientation.2 doppler sensors can shared same transmitter module, and each sensor has independent receiver module, keeps certain distance between the doppler sensor module each other.
Recognition methods below in conjunction with 2 to 4 couples of the utility model embodiment 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, after the echoed signal that 2 doppler sensor modules receive separately and transmit process mixing, amplification filtering, receive backward energy P.
At first, according to radar equation, can obtain the target body distance R 1 and the R2 of two doppler sensor modules of distance respectively, this radar equation is following:
In this equation, R is a radius of investigation, P
tBe emissive power, G is an antenna gain, A
eBe the antenna trapping area, σ is the moving target scattering area, S
MinBe receiving sensitivity.
Then; With R1 is that radius, doppler sensor modules A present position are that first circle is made in the center of circle; With R2 is that radius, doppler sensor module B present position are that second circle is made in 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 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 confirming the position of target body; Can also control air conditioner according to the position of the target body of confirming; Thereby; The utility model embodiment also provides a kind of control method of air conditioner, and the control method of this air conditioner is used for according to the position of the determined target body of recognition methods of the utility model embodiment air conditioner being controlled, particularly; In this embodiment; Use intersection point C and form triangle as 3 some A, B, the C on summit, utilize R1, R2 and L to 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 with 2 doppler sensor module present positions.
Through Doppler's emitting detection signal;, detection signal can change by occurrence frequency after running into target body; Change of frequency can be embodied in the echoed signal; Thereby can calculate target body apart from the distance between each sensor through echoed signal, because the residing position of each sensor can accurately know, 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 discern the problem of position of human body, and then reached the accuracy of raising identification position of human body and the effect of degree of accuracy.
Fig. 3 is the synoptic diagram according to the recognition device of the utility model second embodiment; The recognition methods of the utility model second embodiment is compared with the recognition methods of above-mentioned the utility model first embodiment; The difference of the two is, in the utility model second embodiment, can carry out the location recognition (as shown in Figure 3) of target body through the doppler sensor module more than 3 or 3; 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 the utility model first embodiment in identical) of target body; Other doppler sensor is as spare module, and when the sensor that is used for the target body location recognition with box lunch broke down, subsequent use sensor can in time be devoted oneself to work; Replace out of order sensor, guarantee the normal operation of system.Wherein, Each doppler sensor can shared same transmitter module; Have receiver module alone, 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; After the echoed signal that 3 doppler sensor modules A, B, C receive separately and transmit process mixing, amplification filtering, 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 target body distance of the distance second doppler sensor module B respectively), this radar equation is following:
In this equation, R is a radius of investigation, P
tBe emissive power, G is an antenna gain, A
eBe the antenna trapping area, σ is the moving target scattering area, S
MinBe receiving sensitivity.
Then, be the center of circle, be that radius is made first circle with R1, be the center of circle, be that radius is made second circle with R2, and obtain 2 intersection points of first circle and second circular these 2 circles with doppler sensor B present position with doppler sensor A present position; Be the center of circle, be that radius is made the 3rd circle with R3 with doppler sensor B present position, be the center of circle, be that radius is made the 4th circle with R4, and obtain 2 intersection points of the 3rd circle and the 4th circular these 2 circles with doppler sensor C present position.
At last; Get in 2 intersection points of first circular and second circle and be positioned at doppler sensor module dead ahead (promptly; The receiving end of doppler sensor is in face of a side of echoed signal) intersection point D be first available point; Getting the intersection point E that is positioned at doppler sensor module dead ahead (that is, the receiving end of doppler sensor is in face of a side of echoed signal) in the 3rd circular and the 4th circular 2 intersection points is second available point, connection DE line segment; Obtain mid point, confirm that this mid point is the judged result of target body position.
After accurately confirming the position of target body; Can also control air conditioner according to the position of the target body of confirming, thereby the utility model embodiment 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 utility model embodiment 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 that 3 some A, B, the D on summit form first triangle, utilizes R1, R2 and L1 to 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 second triangle, utilizes R3, R4 and L2 to obtain second leg-of-mutton δ and the 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 available point line judged result as the target body position; If available point is not point-blank, the polygonal center of gravity of then forming with a plurality of available points line successively is as the judged result of target body position.After identifying the orientation of target body in the space, the parameters such as humiture of adjusting air conditioner as required automatically are to improve the comfort level of human body.
The recognition methods of the utility model second embodiment is compared with the recognition methods of the utility model first embodiment; The effect that the recognition methods of the utility model first embodiment that the recognition methods of the utility model second embodiment not only reaches can reach; But also reached when the sensor that is used for the target body location recognition breaks down; Subsequent use sensor can in time be devoted oneself to work, and replaces out of order sensor, guarantees 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 of forming with the center of available point line or available point line has successively 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 utility model embodiment also provides a kind of recognition device of position of human body, and this recognition device is used to carry out the recognition methods of the position of human body that the utility model the foregoing description provided; Particularly; This recognition device is made up of doppler sensor and processor, and doppler sensor is used for the emitting detection signal and receives the echoed signal after detection signal runs into target body, and processor carries out processing such as mixing, amplification filtering to echoed signal; Calculate the distance of target body then apart from doppler sensor; Further confirm 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 definite unit, to carry out obtaining and definite operation of processor.Further; The utility model embodiment 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 utility model embodiment provided, also can be the recognition device that comprises the position of human body that the utility model embodiment is provided and the air conditioner of control device, and air conditioner is through 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 preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (3)
1. the recognition device of a position of human body is characterized in that, comprising:
First doppler sensor is used to send first detection signal, receives the first echo signal after said first detection signal runs into target body;
First computing unit is connected with said first doppler sensor, is used for calculating first distance between said first doppler sensor and the said target body according to said first echo signal;
Second doppler sensor is used to send second detection signal, receives the second echo signal after said second detection signal runs into target body;
Second computing unit is used for calculating the second distance between said second doppler sensor and the said target body according to said second echo signal;
Acquiring unit is used for obtaining respectively the position of said first doppler sensor and said second doppler sensor; And
Confirm the unit, be used for confirming the position of said target body according to the position of said first doppler sensor and said second doppler sensor and said first distance and said second distance.
2. device according to claim 1 is characterized in that, also comprises:
The Tridoppler sensor is used to send the 3rd detection signal, receives the 3rd echoed signal after said the 3rd detection signal runs into target body; And
The 3rd calculating unit is connected with said Tridoppler sensor, is used for calculating the 3rd distance between said Tridoppler sensor and the said target body according to said the 3rd echoed signal,
Wherein, The position that said acquiring unit is used for obtaining respectively said first doppler sensor and said second doppler sensor comprises: said acquiring unit is used for obtaining respectively the position of said first doppler sensor, said second doppler sensor and said Tridoppler sensor, and said definite unit is used for confirming that according to the position of said first doppler sensor and said second doppler sensor and said first distance and said second distance the position of said target body comprises: said definite unit is used for confirming according to the position of said first doppler sensor, said second doppler sensor and said Tridoppler sensor and said first distance, said second distance and said the 3rd distance the position of said target body.
3. an air conditioner is characterized in that, comprising:
Claim 1 or 2 described recognition devices; And
Control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200863996U CN202533576U (en) | 2012-03-08 | 2012-03-08 | Human body position identification device and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012200863996U CN202533576U (en) | 2012-03-08 | 2012-03-08 | Human body position identification device and air conditioner |
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| CN202533576U true CN202533576U (en) | 2012-11-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308908A (en) * | 2012-03-08 | 2013-09-18 | 珠海格力电器股份有限公司 | body position identification method and device and air conditioner |
| WO2018120229A1 (en) * | 2016-12-30 | 2018-07-05 | 西安易朴通讯技术有限公司 | Method and terminal for controlling transmission power |
-
2012
- 2012-03-08 CN CN2012200863996U patent/CN202533576U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308908A (en) * | 2012-03-08 | 2013-09-18 | 珠海格力电器股份有限公司 | body position identification method and device and air conditioner |
| WO2018120229A1 (en) * | 2016-12-30 | 2018-07-05 | 西安易朴通讯技术有限公司 | Method and terminal for controlling transmission power |
| CN110115071A (en) * | 2016-12-30 | 2019-08-09 | 西安易朴通讯技术有限公司 | A kind of method and terminal controlling transmission power |
| US10820281B2 (en) | 2016-12-30 | 2020-10-27 | Xi'an Yep Telecommunication Technology., Ltd | Method and terminal for controlling transmission power |
| CN110115071B (en) * | 2016-12-30 | 2022-02-25 | 西安易朴通讯技术有限公司 | Method and terminal for controlling transmitting power |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20210308 |