CN114002752A - Knock detection method, intelligent doorbell control system and readable storage medium - Google Patents
Knock detection method, intelligent doorbell control system and readable storage medium Download PDFInfo
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- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
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- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
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- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/04—Systems determining presence of a target
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- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
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Abstract
The invention discloses a knock detection method applied to an intelligent doorbell control system, which comprises the following steps: acquiring a light detection signal of the surface of the door body; and determining whether the door body has a door knocking action or not according to the optical detection signal. The invention also discloses an intelligent doorbell control system and a computer readable storage medium. The invention aims to improve the accuracy of the intelligent doorbell control system in recognizing the knocking action of the visitor.
Description
Technical Field
The invention relates to the technical field of electronic equipment, in particular to a knocking detection method, an intelligent doorbell control system and a computer-readable storage medium.
Background
With the development of economic technology, the living standard of people is continuously improved, and intelligent equipment is more and more widely applied to daily life of people. The intelligent doorbell occupies an important seat in the intelligent furniture device, is generally arranged at an entrance and an exit of an indoor environment, and can detect whether visitors visit and remind the visitors when visiting.
At present, an intelligent doorbell control system generally collects scene sound signals, and detects the visitor visiting knocking action by identifying whether characteristic signals of knocking sounds exist in the collected sound signals, however, when surrounding environment sounds are noisy in the detection process, a detection result is easily influenced by surrounding environment noises to cause misjudgment. Therefore, the intelligent doorbell control system has the problem that the knocking action of the visitor cannot be accurately identified.
Disclosure of Invention
The invention mainly aims to provide a knocking detection method, an intelligent doorbell control system and a computer-readable storage medium, and aims to improve the accuracy of the intelligent doorbell control system in recognizing the knocking action of a visitor.
In order to achieve the purpose, the invention provides a knocking detection method which is applied to an intelligent doorbell control system and comprises the following steps:
acquiring a light detection signal of the surface of the door body;
and determining whether the door body has a door knocking action or not according to the optical detection signal.
Optionally, the step of acquiring the optical detection signal of the surface of the door body is performed simultaneously or subsequently, and further includes:
acquiring a human body detection signal of a preset visiting area corresponding to the door body; the distance between the position in the preset visiting area and the door body is smaller than or equal to a set distance;
the step of determining whether the door body has a door knocking action according to the optical detection signal comprises the following steps:
and determining whether the door body has a door knocking action or not according to the optical detection signal and the human body detection signal.
Optionally, the step of determining whether there is a door knocking motion of the door body according to the optical detection signal and the human body detection signal includes:
when the optical detection signal is located in a target signal interval and the human body detection signal has a target signal, determining that the door body has a door knocking action;
when the optical detection signal is positioned outside a target signal interval or when the human body detection signal does not have a target signal, determining that the door body does not have a door knocking action;
the target signal interval is a numerical value interval which is required to be reached by the optical detection signal when the door body has a door knocking action, and the target signal is a characteristic signal contained in the human body detection signal when a human body exists in the preset visiting area.
Optionally, the step of acquiring the optical detection signal of the surface of the door body includes:
emitting light from the first side towards the second side; the first side and the second side are two sides of the door body which are oppositely arranged;
acquiring the amount of light detected by the second side as the light detection signal.
Optionally, after the step of acquiring the amount of light detected by the second side as the optical detection signal, the method further includes:
when the light quantity is smaller than a target light quantity threshold value, determining that the optical detection signal is positioned in the target signal interval;
determining that the optical detection signal is located outside the target signal interval when the light amount is greater than or equal to the target light amount threshold;
the target light quantity threshold is a preset light quantity detected by the second side when the light rays are not blocked.
Optionally, after the step of determining whether there is a door knocking motion of the door body according to the optical detection signal, the method further includes:
and when the knocking action is determined to exist, outputting visiting prompt information.
Optionally, the step of outputting the visiting prompt message includes:
the control prompt module outputs the visiting prompt information, and the prompt module is positioned in an indoor area corresponding to the door body;
and/or sending the visiting prompt message to a target terminal based on wireless connection so that the target terminal outputs the visiting prompt message.
Optionally, the knock detection method further includes:
acquiring user setting parameters corresponding to a knock detection mode; the user setting parameter represents whether the knocking detection mode is started or not;
and when the user setting parameter is the opening of the knocking detection mode, executing the step of acquiring the optical detection signal of the surface of the door body.
In addition, in order to realize above-mentioned purpose, this application still provides an intelligent doorbell control system, intelligent doorbell control system includes:
the optical detection module is used for acquiring optical detection signals of the surface of the door body;
a control device, the light detection module is connected with the control device, the control device includes: a memory, a processor, and a knock detection program stored on the memory and executable on the processor, the knock detection program when executed by the processor implementing the steps of the knock detection method as described in any one of the above.
Further, in order to achieve the above object, the present application also proposes a computer-readable storage medium having a knock detection program stored thereon, which when executed by a processor, implements the steps of the knock detection method as described in any one of the above.
According to the knock detection method, whether a knock action exists in the door body is identified through the optical detection signal on the surface of the door body, the influence of noisy sound in the surrounding environment on the knock action identification result can be avoided, and compared with a method for identifying the knock action through sound, the accuracy of identifying the knock action of a visitor by an intelligent doorbell control system can be effectively improved.
Drawings
FIG. 1 is a schematic structural view of a door body of an embodiment of an intelligent doorbell control system of the present invention;
FIG. 2 is a schematic diagram of a hardware configuration involved in operation of an embodiment of the intelligent doorbell control system of the present invention;
FIG. 3 is a schematic flow chart illustrating a knock detection method according to an embodiment of the present invention;
FIG. 4 is a schematic flow chart illustrating another embodiment of a knock detection method according to the present invention;
FIG. 5 is a schematic flow chart diagram illustrating a knock detection method according to another embodiment of the present invention;
fig. 6 is a flowchart illustrating a knock detection method according to still another embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The main solution of the embodiment of the invention is as follows: acquiring a light detection signal of the surface of the door body; and determining whether the door body has a door knocking action or not according to the optical detection signal.
In the prior art, the intelligent doorbell control system generally collects scene sound signals, and detects the visitor visiting knocking action by identifying whether characteristic signals of knocking sound exist in the collected sound signals, however, when surrounding environment sound is noisy in the detection process, the detection result is easily influenced by surrounding environment noise to cause misjudgment. Therefore, the intelligent doorbell control system has the problem that the knocking action of the visitor cannot be accurately identified.
The invention provides the solution, and aims to effectively improve the accuracy of the intelligent doorbell control system in identifying the knocking action of the visitor.
The embodiment of the invention provides an intelligent doorbell control system.
In the embodiment of the invention, referring to fig. 1 and 2, the intelligent doorbell control system specifically comprises a light detection module 1 and a control device 2, wherein the light detection module 1 can be arranged on a door body 01 arranged on a passage opening of an indoor environment or a position where the passage opening is matched with the door body 01. The optical detection module 1 can be used for acquiring an optical detection signal of the surface of the door body 01. The light detection module 1 is connected to the control device 2, and the control device 2 can be used to obtain the light detection signal detected by the light detection module 1. Specifically, the light detection module 1 may include a light emitter 11 and a light receiver 12. The optical transmitter 11 may be configured to transmit an optical signal, and the optical receiver 12 may be configured to generate an optical detection signal, which may be the first characteristic signal or the second characteristic signal. Specifically, the optical receiver 12 generates a first characteristic signal when the emitted optical signal is incident on the optical receiver 12, and the optical receiver 12 generates a second characteristic signal when the emitted optical signal is not incident on the optical receiver 12.
In the present embodiment, the light emitter 11 and the light receiver 12 are provided on different sides of the door body 01. As shown in fig. 1, the door 01 has a first side and a second side opposite to each other, the light emitter 11 is disposed on the first side, and the light receiver 12 is disposed on the second side. Specifically, the light emitter 11 extends along the edge of the first side of the door 01, and the light receiver 12 extends along the edge of the second side of the door 01. In other embodiments, the optical transmitter 11 and the optical receiver 12 may also be disposed on the same side of the door 01 according to actual situations.
Further, referring to fig. 1 and 2, the intelligent doorbell control system further includes a human body detection module 3, and the human body detection module 3 may be disposed on the door body 01 or disposed outside the door body 01 (e.g., at a position on the entrance or the exit adapted to the door body 01). The human body detection module 3 is specifically used for detecting human body detection signals in a preset visiting area corresponding to the door body 01. In this embodiment, the human body detection module 3 is disposed on the door 01, and the detection signal thereof is emitted toward the outdoor area, and the effective signal detection range thereof can be used as the preset visiting area. The human body detection module 3 is connected with the control device 2, and the control device 2 can be used for acquiring human body detection signals detected by the human body detection module 3. In this embodiment, the human body detection module 3 is an infrared module. In other embodiments, the human body detection module 3 may also be configured as other types of modules for detecting human bodies according to actual requirements, such as radar and the like.
Further, referring to fig. 2, the intelligent doorbell control system may further include a prompt module 4, and the prompt module 4 may include at least one of a voice prompt module, a light prompt module, a display module, and the like. The control device 2 is connected with the prompt module 4, and the control device 2 can be used for controlling the prompt module 4 to output visiting prompt information.
Further, referring to fig. 2, the intelligent doorbell control system may further include a wireless module 5, and the wireless module 5 may be used for wireless communication connection between the intelligent doorbell control system and an external terminal. The control device is connected with the wireless module 5, and the control device 2 can transmit the visiting prompt message to the external terminal through the wireless module 5 when determining that the knocking action exists, so that the external terminal outputs the visiting prompt message.
In an embodiment of the present invention, referring to fig. 2, the control device 2 includes: a processor 1001 (e.g., CPU), memory 1002, etc. The memory 1002 may be a high-speed RAM memory or a non-volatile memory (e.g., a disk memory). The memory 1002 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the configuration of the device shown in fig. 2 is not intended to be limiting of the device and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 2, a knock detection program may be included in the memory 1002, which is a computer-readable storage medium. In the apparatus shown in fig. 2, the processor 1001 may be configured to call a knock detection program stored in the memory 1002 and perform operations of the relevant steps of the knock detection method in the following embodiments.
The embodiment of the invention also provides a knocking detection method which is applied to the intelligent doorbell control system.
Referring to fig. 3, an embodiment of a knock detection method according to the present application is provided. In this embodiment, the knock detection method includes:
step S10, acquiring a light detection signal of the surface of the door body;
in this embodiment, the optical detection signal is specifically a signal obtained by detecting light emitted along the extending direction of the surface of the door body. For example, the door body may be provided with a light emitter for emitting light and a light receiver for detecting the light on two opposite sides of the door body, respectively, and the light detection signal may be obtained by obtaining a signal of the light detector for detecting the light emitted by the light emitter. The optical receiver respectively generates different optical detection signals when receiving the light emitted by the optical transmitter and when not receiving the light emitted by the optical transmitter.
In other embodiments, the optical detection signal may also be a signal obtained by detecting an optical signal covering the surface of the door body. For example, an illumination sensor may be laid on the surface of the door body, and the detection data of the illumination sensor is acquired to obtain the optical detection signal.
And step S20, determining whether the door body has a door knocking action according to the optical detection signal.
The light on the surface of the door body or near the surface of the door body can be shielded when the door body has the door knocking action, and the light on the surface of the door body or near the surface of the door body can not be shielded when the door body does not have the door knocking action.
In this embodiment, it is determined that the door has a door-knocking motion when the optical detection signal is less than or equal to the first set signal threshold, and it is determined that the door does not have a door-knocking motion when the optical detection signal is greater than the first set signal threshold. For example, when the light emitter and the light receiver in the light detection module are arranged on two opposite sides of the door body or the light detection module is an illumination sensor laid on the surface of the door body, whether the door body has a door knocking action can be detected based on the corresponding relation between the light detection signal and the door knocking action, specifically, when the door body has the door knocking action, the light emitted by the light emitter to the light receiver or the light detected by the illumination sensor is shielded, so that the detected light detection signal is small; the door body can not shield the light transmitted to the light receiver by the light transmitter or the light detected by the illumination sensor when the door body does not knock, so that the detected light detection signal is larger.
In other embodiments, the door knock action is determined when the optical detection signal is greater than the second set signal threshold, and the door knock action is determined when the optical detection signal is less than the second set signal threshold. For example, the light emitter and the light receiver in the light detection module are arranged on the same side of the door body or the included angle between the center of the knocking area of the door body and the base point is less than 180 degrees, and when a user uses an object with a light reflection function to knock the door, whether the door body has a knocking action can be detected based on the corresponding relation between the light detection signal and the knocking action, specifically, the object with the reflection function reflects the light emitted by the light emitter when the door body has the knocking action so as to enable the light to enter the light receiver to form a larger light detection signal; when the door body does not knock the door, light emitted by the light emitter cannot enter the light receiver, and the light receiver detects a small light detection signal.
According to the knock detection method provided by the embodiment of the invention, whether a knock action exists in the door body is identified through the optical detection signal on the surface of the door body, so that the influence of noisy sound in the surrounding environment on the knock action identification result can be avoided, and compared with the method for identifying the knock action through sound, the accuracy of identifying the knock action of a visitor by the intelligent doorbell control system can be effectively improved.
Further, based on the above embodiments, another embodiment of the knock detection method of the present application is provided. In this embodiment, referring to fig. 4, the step S10, when executed or after executed, further includes:
step S101, acquiring a human body detection signal of a preset visiting area corresponding to the door body; the distance between the position in the preset visiting area and the door body is smaller than or equal to a set distance;
specifically, a signal detected by a human body detection module arranged on the door body or the entrance and exit corresponding to the door body is acquired as a human body detection signal.
The set distance can be set by the user, and the maximum distance allowed to be detected by the human body detection module can be used as the set distance.
Step S102, the step of determining whether the door body has a door knocking action according to the optical detection signal comprises the following steps:
and step S103, determining whether the door body has a door knocking action according to the optical detection signal and the human body detection signal.
Specifically, different optical detection signals and different human body detection signals correspond to different door bodies to determine whether the door knocking action exists or not.
In this embodiment, when the optical detection signal is located in a target signal interval and the human body detection signal has a target signal, it is determined that the door knock action exists on the door body; when the optical detection signal is positioned outside a target signal interval or when the human body detection signal does not have a target signal, determining that the door body does not have a door knocking action; the target signal interval is a numerical value interval which is required to be reached by the optical detection signal when the door body has a door knocking action, and the target signal is a characteristic signal contained in the human body detection signal when a human body exists in the preset visiting area.
The target signal interval can be set according to actual conditions, for example, the target signal interval in the signal range smaller than or equal to the first set signal threshold value; the target signal section may be a signal range in which the signal range is equal to or greater than the second set signal threshold. The door body can be considered to have the possibility of knocking the door when the optical detection signal is positioned in the target signal interval; the optical detection signal is located outside the target signal interval, and it can be considered that the door body does not have the possibility of door knocking.
Corresponding characteristic signals are formed in the human body detection signals when a human body exists in the preset visiting area, on the basis, the characteristic signals corresponding to the human body in the human body detection signals are identified, and the target signals are identified to be considered that the human body exists in the preset area; the absence of the target signal is recognized as the absence of the human body in the preset region.
Based on the method, the door knocking action of the door body is determined only when the two conditions that the optical detection signal is located in the target signal interval and the human body detection signal has the target signal are simultaneously met, and the door knocking action of the door body is determined not to exist when any one of the optical detection signal and the human body detection signal does not meet the condition corresponding to the door knocking action, so that the identification error caused by the door knocking action of single signal identification can be avoided, and the accuracy of the door knocking action identification result is effectively improved.
In other embodiments, the optical detection signal and the human body detection signal may not set the conditions (i.e., the target signal interval and the target signal) that the door body needs to reach when the door body has a door-knocking action, respectively, but the optical detection signal and the human body detection signal are integrated to calculate to obtain a door-knocking action identification signal, a value interval that the door-knocking action identification signal needs to reach when the door body has a door-knocking action is preset as a preset signal interval, and when the door-knocking action identification signal is located in the preset signal interval, the door body can be considered to have a door-knocking action; when the door knocking action identifying signal is not located in the preset signal interval, the door body is considered to have no knocking action.
Further, based on any one of the above embodiments, a further embodiment of the knock detection method of the present application is provided. In this embodiment, referring to fig. 5, the step S10 includes:
step S11, emitting light from the first side toward the second side; the first side and the second side are two sides of the door body which are oppositely arranged;
specifically, the optical transmitter in the optical detection module of the intelligent doorbell control system is arranged on the first side, and the optical receiver in the optical detection module of the intelligent doorbell control system is arranged on the second side.
In this embodiment, the first side is the left side of the door body, and the second side is the right side of the door body. In other embodiments, the first side may be an upper side of the door body, and the second side may be a lower side of the door body; or the first side is the right side of the door body, and the second side is the left side of the door body; or, the first side is the lower side of the door body, and the second side is the upper side of the door body.
It should be noted that, light is emitted along the extending direction of the surface of the door body, and the distance between the position within the light coverage range and the surface of the door body is smaller than or equal to a preset distance threshold.
Step S12, acquiring the amount of light detected by the second side as the light detection signal.
The amount of light detected by the light receiver provided on the second side is acquired as a light detection signal therein for a preset time period.
Based on the above steps S11 and S12, the step S12 is followed by: after the step of using the detected light quantity as the light detection signal, the method further comprises the following steps: when the light quantity is smaller than a target light quantity threshold value, determining that the optical detection signal is positioned in the target signal interval; determining that the optical detection signal is located outside the target signal interval when the light amount is greater than or equal to the target light amount threshold; the target light quantity threshold is a preset light quantity detected by the second side when the light rays are not blocked. The preset light quantity is specifically a light quantity value of the light ray which can be detected at the second side when the preset light ray is not blocked. Setting the preset light quantity as an initial value L, and setting the light quantity detected at the second side as L, when a person stretches out and taps the door, the light quantity received by the light receiver is reduced due to the fact that the hand is blocked between the light emitter and the light receiver, and then the relationship between the initial value L of the light quantity and the light quantity L is as follows: l is less than L. Therefore, the MCU can judge whether a person knocks or not by comparing the light quantity L with the initial value L of the light quantity within a certain time delta T1, and when at least one time L < L is detected, the MCU can judge that the person knocks; otherwise, when L is larger than or equal to L, no one can be considered to knock the door.
In this embodiment, in two opposite sides of the door body, light is emitted from the first side to the second side, and the light quantity detected by the second side is used as a light detection signal for determining whether a door knocking action exists, so that the light quantity detected by the second side is small because the light emitted from the first side to the second side is blocked when the door knocking action exists; when the door knocking action does not exist, the light emitted by the first side to the second side is not blocked, so that the light quantity detected by the second side is larger. Therefore, whether the door knocking action exists on the door body or not can be accurately represented by the optical detection signal. On the basis, the accuracy of door knocking action recognition can be effectively improved based on comparison of the magnitude relation between the light quantity and the target light quantity threshold value.
Further, based on any of the above embodiments, a further embodiment of the knock detection method of the present application is provided. In this embodiment, referring to fig. 6, after step S20, the method further includes:
in step S30, when it is determined that the knock operation is present, the visiting prompt information is output.
The visiting prompt message is specifically used for reminding the user that the user visits currently. The output mode of the visiting prompt message can comprise at least one of a plurality of prompt modes such as sound, light, message pushing and the like. The output mode can be the default setting of the system, and can also be set by the user based on the self requirement.
In one embodiment, the control prompt module outputs the visiting prompt information, and the prompt module is located in an indoor area corresponding to the door body. Specifically, the prompting module can be controlled to output the visiting prompt information in a sound and/or light mode, for example, the prompting module in the indoor area prompts that the visitor currently exists in a voice mode, and/or the prompting module in the indoor area prompts that the visitor currently exists in an LED light flashing mode. Based on this, the indoor user can know the personnel visiting situation through the visiting prompt information output by the prompt module.
In another embodiment, the visiting prompt message is sent to a target terminal based on wireless connection, so that the target terminal outputs the visiting prompt message. Specifically, the visitor prompt information can be sent to a terminal which is carried by a user such as a mobile phone and a smart watch of the user or is located at the position of the user through Bluetooth or WIFI, and the terminal can output the visitor prompt information in a sound mode, a vibration mode, a light mode and the like after receiving the visitor prompt information, so that the user can know the visitor visiting condition through the visitor prompt information output by the prompt module even if the user is not indoors or is far away from the prompt module indoors.
In another embodiment, the control prompt module outputs the visiting prompt information and simultaneously sends the visiting prompt information to the target terminal based on wireless connection so that the target terminal outputs the visiting prompt information.
Further, in other embodiments, step S20 may not output the visiting prompt message, but record the visiting information (such as the door knock time, the door knock duration, and/or the image of the door knock person). For example, the user may set a visiting recording mode when going out, and the step S20 may prohibit the output of the visiting prompt information and perform the recording operation of the visiting information in the visiting recording mode. Based on this, be favorable to the user follow-up visit record to look over based on self demand, improve intelligent degree that intelligent doorbell control system visited and reminds.
Further, based on any one of the above embodiments, the knock detection method further includes: acquiring user setting parameters corresponding to a knock detection mode; the user setting parameter represents whether the knocking detection mode is started or not; and when the user setting parameter is the opening of the knocking detection mode, executing the step of acquiring the optical detection signal of the surface of the door body. And when the user sets the parameters to be the closing knocking detection mode, stopping recognizing the knocking action by applying the optical detection signal. Based on this, the user can be based on self actual demand control is knocked a door and is detected the function and whether open, has improved user's selectivity, avoids this function to always cause too much consumption in order to the energy saving simultaneously.
In addition, an embodiment of the present invention further provides a computer-readable storage medium, where a knock detection program is stored on the computer-readable storage medium, and when the knock detection program is executed by a processor, the knock detection program implements relevant steps of any embodiment of the above-mentioned knock detection method.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, an intelligent doorbell control system, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A door knock detection method is applied to an intelligent doorbell control system and is characterized by comprising the following steps:
acquiring a light detection signal of the surface of the door body;
and determining whether the door body has a door knocking action or not according to the optical detection signal.
2. The knock detection method according to claim 1, wherein the step of obtaining the optical detection signal of the surface of the door body is performed simultaneously with or after the step of obtaining the optical detection signal of the surface of the door body, and further comprises:
acquiring a human body detection signal of a preset visiting area corresponding to the door body; the distance between the position in the preset visiting area and the door body is smaller than or equal to a set distance;
the step of determining whether the door body has a door knocking action according to the optical detection signal comprises the following steps:
and determining whether the door body has a door knocking action or not according to the optical detection signal and the human body detection signal.
3. The knock detection method according to claim 2, wherein the step of determining whether there is a knock motion of the door body based on the optical detection signal and the human body detection signal comprises:
when the optical detection signal is located in a target signal interval and the human body detection signal has a target signal, determining that the door body has a door knocking action;
when the optical detection signal is positioned outside a target signal interval or when the human body detection signal does not have a target signal, determining that the door body does not have a door knocking action;
the target signal interval is a numerical value interval which is required to be reached by the optical detection signal when the door body has a door knocking action, and the target signal is a characteristic signal contained in the human body detection signal when a human body exists in the preset visiting area.
4. The knock detection method according to claim 3, wherein the step of acquiring the optical detection signal of the surface of the door body includes:
emitting light from the first side towards the second side; the first side and the second side are two sides of the door body which are oppositely arranged;
acquiring the amount of light detected by the second side as the light detection signal.
5. The knock detection method as claimed in claim 4, wherein said step of acquiring the amount of light detected by said second side as said light detection signal is followed by further comprising:
when the light quantity is smaller than a target light quantity threshold value, determining that the optical detection signal is positioned in the target signal interval;
determining that the optical detection signal is located outside the target signal interval when the light amount is greater than or equal to the target light amount threshold;
the target light quantity threshold is a preset light quantity detected by the second side when the light rays are not blocked.
6. The knock detection method according to any one of claims 1 to 5, further comprising, after the step of determining whether there is a knock action on the door body according to the optical detection signal:
and when the knocking action is determined to exist, outputting visiting prompt information.
7. The knock detection method according to claim 6, wherein the step of outputting the visiting prompt message includes:
the control prompt module outputs the visiting prompt information, and the prompt module is positioned in an indoor area corresponding to the door body;
and/or sending the visiting prompt message to a target terminal based on wireless connection so that the target terminal outputs the visiting prompt message.
8. The knock detection method according to any one of claims 1 to 5, further comprising:
acquiring user setting parameters corresponding to a knock detection mode; the user setting parameter represents whether the knocking detection mode is started or not;
and when the user setting parameter is the opening of the knocking detection mode, executing the step of acquiring the optical detection signal of the surface of the door body.
9. The utility model provides an intelligence doorbell control system which characterized in that, intelligence doorbell control system includes:
the optical detection module is used for acquiring optical detection signals of the surface of the door body;
a control device, the light detection module is connected with the control device, the control device includes: memory, a processor and a knock detection program stored on the memory and executable on the processor, the knock detection program when executed by the processor implementing the steps of the knock detection method according to any one of claims 1 to 8.
10. A computer-readable storage medium, having stored thereon a knock detection program which, when executed by a processor, implements the steps of a knock detection method according to any one of claims 1 to 8.
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