CN114578451A - Human body induction detection method and device - Google Patents
Human body induction detection method and device Download PDFInfo
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- CN114578451A CN114578451A CN202210206976.9A CN202210206976A CN114578451A CN 114578451 A CN114578451 A CN 114578451A CN 202210206976 A CN202210206976 A CN 202210206976A CN 114578451 A CN114578451 A CN 114578451A
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Abstract
A human body induction detection method and a human body induction detection device are provided, wherein the human body induction detection device comprises: first human body response detecting element, second human body response detecting element and the control unit, wherein: the first human body induction detection unit is suitable for outputting a first trigger signal when human body movement exists in the first identification area; the second human body induction detection unit is suitable for generating and outputting a second trigger signal when human body movement exists in the second identification area; the control unit is suitable for determining and generating a wake-up signal according to the time relation between the first trigger signal and the second trigger signal and outputting the wake-up signal to the intelligent equipment; the wake-up signal is used for waking up the intelligent device from a sleep state; the identification distance of the first identification area is greater than the identification distance of the second identification area. According to the scheme, the situation that the intelligent device is triggered by mistake can be avoided, and the power consumption of the intelligent device can be reduced.
Description
Technical Field
The invention relates to the technical field of intelligent electronic equipment, in particular to a human body induction detection method and device.
Background
In the application scenario of the intelligent device, in order to improve the endurance time of the battery, a human body sensing detection device is usually added. When the human body sensing detection device does not detect that a human body exists nearby, the functional module with higher power consumption in the intelligent electronic equipment is in a dormant state, and only the functional module with low power consumption is kept in a working state; when detecting that a human body exists nearby, the method is triggered, and other functional modules with larger power consumption are awakened to enter a working state.
In the prior art, the situation of false triggering of the intelligent device exists, and the power consumption of the intelligent device is large.
Disclosure of Invention
The embodiment of the invention solves the technical problems of false triggering and high power consumption of intelligent equipment.
To solve the above technical problem, an embodiment of the present invention provides a human body sensing detection apparatus, including: first human body response detecting element, second human body response detecting element and the control unit, wherein: the first human body induction detection unit is suitable for outputting a first trigger signal when human body movement exists in the first identification area; the second human body induction detection unit is suitable for generating and outputting a second trigger signal when human body movement exists in the second identification area; the control unit is suitable for determining and generating a wake-up signal according to the time relation between the first trigger signal and the second trigger signal and outputting the wake-up signal to the intelligent equipment; the wake-up signal is used for waking up the intelligent device from a sleep state; the identification distance of the first identification area is greater than the identification distance of the second identification area.
Optionally, an identification distance corresponding to the first identification area is between the first identification distance and the second identification distance; the identification distance corresponding to the second identification area is smaller than a second identification distance; the first identification distance is greater than the second identification distance.
Optionally, the control unit is adapted to determine to generate the wake-up signal when the first trigger signal is detected to be earlier than the second trigger signal.
Optionally, the control unit is adapted to determine not to generate the wake-up signal if it is determined that the second trigger signal is detected earlier than the first trigger signal.
Optionally, the identification range of the first identification area is larger than the identification range of the second identification area, and the identification range of the first identification area includes the identification range of the second identification area.
Optionally, the identification range of the first identification area is larger than the identification range of the second identification area, and the identification range of the first identification area includes the identification range of the second identification area.
Optionally, the control unit is adapted to determine not to generate the wake-up signal only when the first trigger signal is detected within a preset time period after the first trigger signal and the second trigger signal are detected.
Optionally, the first human body sensing detection unit and the second human body sensing detection unit include any one of the following: the system comprises an ultrasonic radar detector, a passive infrared detector, a microwave radar detector and an active infrared detector; the type of the first human body induction detection unit is different from the type of the second human body induction detection unit.
Optionally, power consumption of the first human body induction detection unit is lower than power consumption of the second human body induction detection unit.
In order to solve the above technical problem, an embodiment of the present invention further provides a human body sensing detection method, including: acquiring a first trigger signal and a second trigger signal; the first trigger signal is generated when the first human body induction detection unit detects that the human body moves in the first identification area, and the second trigger signal is generated when the second human body induction detection unit detects that the human body moves in the second identification area; the identification distance of the first identification area is greater than that of the second identification area; determining to generate a wake-up signal according to the acquired time relationship between the first trigger signal and the second trigger signal and outputting the wake-up signal to the intelligent device; the wake-up signal is used for waking up the intelligent device from a sleep state.
Optionally, the determining to generate a wake-up signal according to the obtained time relationship between the first trigger signal and the second trigger signal includes: and determining to generate the wake-up signal when the first trigger signal is detected to be earlier than the second trigger signal.
Optionally, the determining to generate a wake-up signal according to the obtained time relationship between the first trigger signal and the second trigger signal includes: and determining to generate the wake-up signal when the first trigger signal and the second trigger signal are detected at the same time within a preset time period after the first trigger signal is detected.
Compared with the prior art, the technical scheme of the embodiment of the invention has the following beneficial effects:
the human body in the first identification area is detected through the first human body induction detection unit, the human body in the second identification area is detected through the second human body induction detection unit, and the identification distance of the first identification area is larger than that of the second identification area. And the control unit determines to generate a wake-up signal according to the time relation between the first trigger signal and the second trigger signal and outputs the wake-up signal to the intelligent equipment so as to wake up the intelligent equipment from the sleep state. According to the time relation between the first trigger signal and the second trigger signal, the movement trend of the user can be obtained, so that the intelligent device can be prevented from being awakened by mistake, and the power consumption of the intelligent device can be reduced.
Drawings
Fig. 1 is a schematic structural diagram of a human body sensing detection apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic distribution diagram of detection areas corresponding to different human body sensing detection units in the embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating distribution of detection areas corresponding to different human body sensing detection units according to an embodiment of the present invention;
fig. 4 is a flowchart of a human body sensing detection method in an embodiment of the present invention.
Detailed Description
In the prior art, a human body sensing detection device adopts an electromagnetic wave detection mode, a passive infrared detection mode, an active infrared detection mode and the like to realize human body sensing detection, and the working principle of the human body sensing detection device is to detect the distance between a user and the human body sensing detection device. However, the human body sensing detecting device cannot know whether the user is approaching or departing from the human body sensing detecting device. In some special application scenarios, a user may be far away from the human body sensing detection device, but since the user is close to the user, the human body sensing detection device may be triggered, which causes the smart device to be awakened, and the power consumption is large.
In the embodiment of the invention, the movement trend of the user can be obtained according to the time relation between the first trigger signal and the second trigger signal, so that the intelligent equipment can be prevented from being awoken by mistake, and the power consumption of the intelligent equipment can be further reduced.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The embodiment of the invention provides a human body induction detection device, and the structure and the working process of the human body induction detection device provided by the embodiment of the invention are described in detail below with reference to fig. 1.
In a specific implementation, the human body induction detecting device may include a first human body induction detecting unit 101, a second human body induction detecting unit 102, and a control unit 103, wherein:
a first human body induction detection unit 101 adapted to output a first trigger signal when detecting that there is human body movement in the first recognition area;
the second human body induction detection unit 102 is suitable for outputting a second trigger signal when human body movement in the second identification area is detected;
the control unit 103 is suitable for determining to generate a wake-up signal according to the time relation between the first trigger signal and the second trigger signal and outputting the wake-up signal to the intelligent device; after the intelligent device receives the wake-up signal, the functional module in the dormant state is awakened.
In an embodiment of the present invention, the recognition distance of the first recognition area may be greater than the recognition distance of the second recognition area. That is, the first recognition area corresponds to an area farther from the human body sensing detection device, and the second recognition area corresponds to an area closer to the human body sensing detection device.
In other words, first human body sensation detection section 101 can detect whether or not there is a human body movement in a region having a large distance, and second human body sensation detection section 102 can detect whether or not there is a human body movement in a region having a small distance.
In a specific implementation, the first human body induction detecting unit 101 may detect whether there is human body movement only in a region with a relatively long distance, and the second human body induction detecting unit 102 may detect whether there is human body movement in a region with a relatively short distance. First human body induction detecting section 101 may detect whether or not there is a human body movement in a region having a relatively large distance, and may detect whether or not there is a human body movement in a region having a relatively small distance; the second human body induction detection device is used for detecting whether human body movement exists in the area with the short distance.
In an embodiment of the present invention, the first identification area may not intersect with the second identification area. Or, there is a partial intersection between the first identification region and the second identification region, that is, there is no complete coincidence between the two identification regions. Or the first identification area is larger than the second identification area, and the second identification area is contained by the first identification area.
In an embodiment of the present invention, an identification distance corresponding to the first identification area is between the first identification distance and the second identification distance, and an identification distance corresponding to the second identification area is smaller than the second identification distance. The first recognition distance is greater than the second recognition distance.
Referring to fig. 2, a distribution schematic diagram of detection areas corresponding to different human body sensing detection units in the embodiment of the present invention is shown.
In fig. 2, the recognition distance of the first human body sensing detection unit corresponding to the detection area is between the first recognition distance and the second recognition distance, and the recognition distance of the second human body sensing detection unit corresponding to the detection area is smaller than the second recognition distance.
As can be seen, in fig. 2, the recognition range corresponding to the first human body sensing detection unit is far, and the recognition area corresponding to the second human body sensing detection unit is close. That is to say, compare in smart machine position, first human body response detecting element can detect whether there is the human body in the department far away from smart machine, and second human body response detecting element can detect whether there is the human body in the department near away from smart machine.
In another embodiment of the present invention, the first identification area is larger than the second identification area, and the second identification area is included in the first identification area.
For the application scenario in fig. 2, when the control unit detects that the first trigger signal is earlier than the second trigger signal, it may be determined that a wake-up signal is generated and output to the smart device; when the second trigger signal is detected to be earlier than the first trigger signal, the wake-up signal need not be generated.
The human body sensing detection method provided in the above embodiment of the present invention is described with reference to fig. 2 as an example.
When a user comes from a distance and gradually approaches the intelligent device, the user firstly enters a detection area of the first human body induction detection unit, and then the first human body induction detection unit is triggered. When triggered, the first human body induction detection unit generates and outputs a first trigger signal. The control unit receives a first trigger signal.
If the user continues to approach the intelligent device, the user enters the detection area of the second human body induction detection unit, and then the second human body induction detection unit is triggered. And when the second human body induction detection unit is triggered, a second trigger signal is generated and output. The control unit receives a second trigger signal.
The control unit detects the time sequence between the receiving of the first trigger signal and the receiving of the second trigger signal. When the control unit detects that the first trigger signal is received first and then the second trigger signal is received, the movement trend of the user is determined to be gradually close to the intelligent device, and at the moment, the user can be judged to have the requirement for using the intelligent device. The control unit generates and outputs a wake-up signal to wake up the smart device.
If the user moves from a near position to a far position and gradually gets away from the intelligent device, the user firstly enters the detection area of the second human body induction detection unit, and then the second human body induction detection unit is triggered. And when the second human body induction detection unit is triggered, a second trigger signal is generated and output. The control unit receives a second trigger signal.
If the user continues to be far away from the intelligent device, the user enters a detection area of the first human body induction detection unit, and then the first human body induction detection unit is triggered. When triggered, the first human body induction detection unit generates and outputs a first trigger signal. The control unit receives a first trigger signal.
The control unit detects the time sequence between the receiving of the first trigger signal and the receiving of the second trigger signal. When the control unit detects that the second trigger signal is received first and then the first trigger signal is received, the movement trend of the user is determined to be gradually far away from the intelligent device, and at the moment, it can be judged that the user does not have the requirement for using the intelligent device. The control unit does not need to generate a wake-up signal, and the intelligent device is still in a dormant state.
Referring to fig. 3, a distribution diagram of detection areas corresponding to different human body sensing detection units in another embodiment of the present invention is shown.
In fig. 3, the first recognition area corresponding to the first human body sensing detection unit is larger, and the second recognition area corresponding to the second human body sensing detection unit is smaller. That is to say, compare in smart machine position, first human response detecting element can detect whether have the human body in the great scope apart from smart machine, and second human response detecting element can detect whether have the human body in the less scope apart from smart machine.
The human body sensing detection method provided in the above embodiment of the present invention is described with reference to fig. 3 as an example.
When the user comes from a distance and gradually approaches the intelligent device, the user firstly enters the detection area of the first human body induction detection unit, and then the first human body induction detection unit is triggered. When triggered, the first human body induction detection unit generates and outputs a first trigger signal. The control unit receives a first trigger signal.
If the user continues to approach the intelligent device, the user enters the detection area of the second human body induction detection unit, and then the second human body induction detection unit is triggered. And when the second human body induction detection unit is triggered, a second trigger signal is generated and output. The control unit receives a second trigger signal.
The control unit detects the time sequence between the receiving of the first trigger signal and the receiving of the second trigger signal. When the control unit detects that the first trigger signal is received first and then the second trigger signal is received, the movement trend of the user is determined to be gradually close to the intelligent device, and at the moment, it can be judged that the user has the requirement for using the intelligent device. The control unit generates and outputs a wake-up signal to wake up the smart device.
If the user moves from a near position to a far position and gradually gets away from the intelligent device, the user firstly enters the detection area of the second human body induction detection unit, and then the second human body induction detection unit and the first human body induction detection unit are both triggered. The control unit can receive the second trigger signal and the first trigger signal.
If the user continues to be far away from the intelligent device, the user enters the detection area of the first human body induction detection unit, and at the moment, only the first human body induction detection unit is triggered because the user leaves the detection area of the second human body induction detection unit. The control unit can only receive the first trigger signal.
The control unit detects and receives the first trigger signal and the second trigger signal at the same time. The control unit determines that the movement trend of the user is gradually far away from the intelligent device, and at the moment, the situation that the user does not need to use the intelligent device can be judged. The control unit does not need to generate a wake-up signal, and the intelligent device is still in a dormant state.
In the embodiment of the invention, the human body induction detection device can be arranged on the outer surface of the intelligent equipment or can be arranged in the intelligent equipment. Or one part of the human body induction detection device is arranged on the outer surface of the intelligent device, and the other part of the human body induction detection device is arranged in the intelligent device.
For example, one of the first human body induction detection unit and the second human body induction detection unit is built in the smart device, and the other one is externally arranged on the outer surface of the smart device.
In the embodiment of the invention, the human body induction detection device can be arranged independently from the intelligent equipment and is communicated with the intelligent equipment in a wired or wireless mode.
For example, the human body sensing detection device communicates with the smart device through WIFI.
For example, the first human body sensing detection unit is arranged on the outer surface of the intelligent device, and the second human body sensing detection unit is arranged in the intelligent device.
In a specific implementation, the intelligent device may be an intelligent door lock, an intelligent household appliance, or other types of intelligent electronic devices.
In a specific implementation, the first human body induction detection unit may include any one of: the system comprises an ultrasonic radar detector, a passive infrared detector, a microwave radar detector and an active infrared detector; the second human body sensing detection unit may include any one of: ultrasonic radar detector, passive infrared detector, microwave radar detector, active infrared detector.
In a specific implementation, the type of the first human body induction detection unit may be the same as that of the second human body induction detection unit, and may also be different from that of the second human body induction detection unit.
In the embodiment of the invention, the type of the first human body induction detection unit is different from that of the second human body induction detection unit, and the power consumption of the first human body induction detection unit is lower than that of the second human body induction detection unit.
In a specific application, a detector with low power consumption can be selected as the first human body induction detection unit, for example, a passive infrared detector can be selected as the first human body induction detection unit.
In a specific implementation, the first human body induction detection unit may further output an enable signal when detecting that a human body exists in the first identification area. The second human body induction detection unit is switched to the working state from the sleep state after detecting the enabling signal.
That is to say, in the embodiment of the present invention, in the working process of the human body sensing detection apparatus, the first human body sensing detection unit is in the working state, and the second human body sensing detection unit is in the sleeping state. When the first human body induction detection unit detects that human body movement exists in the first identification area, the second human body induction detection unit is switched to the working state from the sleep state after receiving the enabling signal, and therefore power consumption of the intelligent device can be further reduced.
In the embodiment of the present invention, the enable signal may be the same as the first trigger signal or different from the first trigger signal. The enabling signal can be directly sent to the second human body induction detection unit or sent to the control unit, and the control unit forwards the enabling signal to the second human body induction detection unit.
For example, when detecting that there is human movement in the first recognition area, the first human body induction detection unit generates a first trigger signal and sends the first trigger signal to the second human body induction detection unit and the control unit, respectively. At this time, the first trigger signal functions as an enable signal.
For another example, when detecting that there is a human body moving in the first recognition area, the first human body induction detection unit generates a first trigger signal and an enable signal, sends the enable signal to the second human body induction detection unit, and sends the first trigger signal to the control unit.
Referring to fig. 4, a human body sensing detection method in an embodiment of the present invention is shown, and the following detailed description is made through specific steps.
In the embodiment of the present invention, the following human body sensing detection method may be performed by the control unit provided in the above embodiment.
Step S401, a first trigger signal and a second trigger signal are acquired.
In the embodiment of the invention, the first trigger signal is generated when the first human body induction detection unit detects that human body movement exists in the first identification area; the second trigger signal is generated when the second human body induction detection unit detects that human body movement exists in the second identification area; the identification distance of the first identification area is greater than the identification distance of the second identification area.
Step S402, according to the obtained time relation between the first trigger signal and the second trigger signal, determining to generate a wake-up signal and outputting the wake-up signal to the intelligent device.
In specific implementation, the specific implementation process of steps S401 to S402 may refer to the above embodiments, which are not described herein again.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by instructing the relevant hardware through a program, which may be stored in a computer-readable storage medium, and the storage medium may include: ROM, RAM, magnetic or optical disks, and the like.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected by one skilled in the art without departing from the spirit and scope of the invention, as defined in the appended claims.
Claims (12)
1. A human body induction detection device, comprising: first human body response detecting element, second human body response detecting element and the control unit, wherein:
the first human body induction detection unit is suitable for outputting a first trigger signal when human body movement exists in the first identification area;
the second human body induction detection unit is suitable for generating and outputting a second trigger signal when human body movement exists in the second identification area;
the control unit is suitable for determining and generating a wake-up signal according to the time relation between the first trigger signal and the second trigger signal and outputting the wake-up signal to the intelligent equipment; the wake-up signal is used for waking up the intelligent device from a sleep state;
the identification distance of the first identification area is greater than the identification distance of the second identification area.
2. The human body induction detecting device according to claim 1, wherein the identification distance corresponding to the first identification area is between the first identification distance and the second identification distance; the identification distance corresponding to the second identification area is smaller than a second identification distance; the first identification distance is greater than the second identification distance.
3. The human body induction detection device according to claim 2, wherein the control unit is adapted to determine to generate the wake-up signal when detecting that the first trigger signal is earlier than the second trigger signal.
4. The human body induction detection device according to claim 2, wherein the control unit is adapted to determine not to generate the wake-up signal if it is determined that the second trigger signal is detected earlier than the first trigger signal.
5. The human body induction detecting device according to claim 1, wherein the identification range of the first identification region is larger than the identification range of the second identification region, and the identification range of the first identification region includes the identification range of the second identification region.
6. The human body induction detecting device according to claim 5, wherein the control unit is adapted to determine to generate the wake-up signal if the first trigger signal and the second trigger signal are detected simultaneously within a preset time period after the first trigger signal is detected.
7. The human body induction detecting device according to claim 5, wherein the control unit is adapted to determine not to generate the wake-up signal if only the first trigger signal is detected within a preset time period after the first trigger signal and the second trigger signal are detected.
8. The human body induction detecting device according to claim 1, wherein the first human body induction detecting unit and the second human body induction detecting unit comprise any one of: the system comprises an ultrasonic radar detector, a passive infrared detector, a microwave radar detector and an active infrared detector; the type of the first human body induction detection unit is different from that of the second human body induction detection unit.
9. The human body induction detecting device according to claim 1, wherein the first human body induction detecting unit is further adapted to output an enable signal when the presence of a human body in the first identification area is detected; the second human body induction detection unit is further suitable for being switched to a working state from a sleep state after receiving the enabling signal.
10. A human body induction detection method is characterized by comprising the following steps:
acquiring a first trigger signal and a second trigger signal; the first trigger signal is generated when the first human body induction detection unit detects that human body movement exists in the first identification area, and the second trigger signal is generated when the second human body induction detection unit detects that human body movement exists in the second identification area; the identification distance of the first identification area is greater than that of the second identification area;
determining to generate a wake-up signal according to the acquired time relationship between the first trigger signal and the second trigger signal and outputting the wake-up signal to the intelligent device; the wake-up signal is used for waking up the intelligent device from a sleep state.
11. The human body induction detection method according to claim 10, wherein said determining to generate a wake-up signal according to obtaining a time relationship between the first trigger signal and the second trigger signal comprises:
and determining to generate the wake-up signal when the first trigger signal is detected to be earlier than the second trigger signal.
12. The human body induction detection method according to claim 10, wherein said determining to generate a wake-up signal according to obtaining a time relationship between the first trigger signal and the second trigger signal comprises:
and determining to generate the wake-up signal when the first trigger signal and the second trigger signal are detected at the same time within a preset time period after the first trigger signal is detected.
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