CN110401584B - Low-power-consumption people number detection device and method, and low-power-consumption switch electric appliance system and method - Google Patents
Low-power-consumption people number detection device and method, and low-power-consumption switch electric appliance system and method Download PDFInfo
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- CN110401584B CN110401584B CN201910642612.3A CN201910642612A CN110401584B CN 110401584 B CN110401584 B CN 110401584B CN 201910642612 A CN201910642612 A CN 201910642612A CN 110401584 B CN110401584 B CN 110401584B
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- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
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Abstract
The invention discloses a low-power consumption indoor people number detection device, which comprises a passive sensor, a multi-emission single-receiving or multi-emission multi-receiving combined structure active sensor, a controller, a battery and a wireless communication module, wherein the passive sensor is connected with the controller through a wireless communication module; the controller respectively receives the signals fed back by the passive sensor and the combined structure active sensor and sends out alternate emission commands to the photoelectric emission units of the combined structure active sensor. Also discloses a monitoring method of the low-power consumption indoor people number detection device; the system comprises at least one low-power consumption indoor people number detection device, at least one intelligent electric appliance and a wireless network; also discloses a switching device control method based on the automatic switching device control system; the invention organically combines the passive sensor, the controller and the active sensor with a combined structure, perfectly solves the problem of power consumption, and can work for 1-2 years by using one battery.
Description
Technical Field
The invention belongs to the technical field of smart home, and particularly relates to a low-power-consumption person number detection device and method, and a low-power-consumption switching electric appliance system and method.
Background
With the deep development of the smart home technology, people have more and more extensive requirements on smart homes. Among them, replacing manual work with intelligent device, realizing the switching of automatic control domestic appliance is just one of many demands. To fulfill this requirement, it is not necessary to determine the direction of the current person entering or exiting the room and to detect the number of people in the current room (it can be said that the room is determined to have a person).
In order to count the number of people in each classroom in real time, two shading photoelectric sensors are continuously arranged at the doorway of the classroom, and when a person passes through the sensors, a light path between an optical element and a light source is shielded, so that the number of people entering and exiting the classroom is judged. According to the sequence of the change time of the two sensors, whether the person enters the classroom or leaves the classroom can be judged, and therefore the purpose of detecting the number of people in the classroom is achieved. However, since the photoelectric sensor is an active sensor, that is, the photoelectric sensor actively sends out a signal, the active sensor still needs to work all the time in order to detect the number of people, otherwise, the number of people needs to be missed, so that the photoelectric sensor has no way of achieving low power consumption, and the use of the photoelectric sensor is often influenced because the power consumption of the active sensor is too large in practical application.
Compared with the active sensor, the passive sensor does not actively send out signals, so that the power consumption is low. One of the technical schemes of the prior art adopting a passive sensor is called a human body sensor, and the device is based on a passive infrared pyroelectric sensor and a Fresnel lens. The 'human body sensor' has the disadvantage that only 'moving people' can be detected, so when people in a room are still, the 'human body sensor' can be used for deeming that no people exist in the room, therefore, the 'human body sensor' is placed in the room to judge whether people in the room cannot reach the purpose, and if the 'human body sensor' is placed at a door, the 'human body sensor' cannot judge whether people go into the room or go out of the room, so that the 'human body sensor' still cannot judge whether people exist in the room. The second technical scheme of the prior art adopting a passive sensor is called a curtain sensor, and is also a device based on a passive infrared pyroelectric sensor and a Fresnel lens. The "curtain sensor" changes from a wide range to a curtain-like area in comparison with the first detection range of the "motion sensor", and the second can detect the moving direction of the person (but can be determined only once within 2 s). The "curtain sensor" can detect only "moving people" as well, so when people in a room are still, the "curtain sensor" can determine that no people are in the room, therefore, the "human body sensor" is placed in the room to judge whether people in the room are out of reach, if the "human body sensor" is placed at a door, although the "human body sensor" can detect the moving direction of people, if the "human body sensor" is placed at a door, the "curtain sensor" still cannot judge whether people are in the room when the moving direction is faster or a plurality of people continuously move. In summary, the prior art detects the number of people in a room, the power consumption is too high when an active sensor is used, and the direction frequency of people cannot be detected or is too low when a passive sensor is used, so that the passive sensor cannot be used for detecting the number of people in the room.
Disclosure of Invention
The invention provides a device and a method for detecting the number of people with low power consumption, a system and a method for switching an electric appliance with low power consumption, aiming at solving the problem that the use is seriously influenced due to too large power consumption of an active sensor adopted in the prior art and solving the problem that the counting of the number of people in a room cannot be realized due to the fact that a passive sensor cannot detect people standing in the room or the direction frequency of the detected people is too low when the passive sensor is adopted in the prior art.
The invention adopts the following technical scheme for solving the technical problems:
a low-power consumption indoor number of people detection device is characterized in that: the device comprises a passive sensor, an active sensor with a combined structure, a controller, a battery and a wireless communication module; the controller respectively receives signals fed back by the passive sensor and the combined structure active sensor and sends a control command to the combined structure active sensor; the battery module supplies power for the passive sensor, the active sensor with the combined structure, the controller and the wireless communication module respectively.
The low-power consumption indoor people number detection device further comprises an environment light brightness sensor, and the controller controls household electrical appliance equipment related to brightness according to signals fed back by the environment light brightness sensor.
The passive sensor comprises a passive infrared pyroelectric sensor and a Fresnel lens, infrared waves with specific wavelengths can be emitted due to the fact that a human body has temperature, the passive infrared pyroelectric sensor can capture the infrared waves emitted by a person moving in the coverage range of the passive infrared pyroelectric sensor, and signals are fed back to the controller after the passive infrared pyroelectric sensor is triggered.
The combined structure active sensor comprises a plurality of photoelectric emission units and one or more photoelectric receiving units; the composite structure active sensor may also be combined using an ultrasonic transceiver.
The controller comprises a passive sensor signal receiving unit, a combined structure active sensor signal receiving unit and an alternating command sending unit; and after receiving the signals fed back by the passive sensor, the controller sends out alternate emission commands to the photoelectric emission units of the active sensor of the combined structure through the alternate command sending unit.
The plurality of photoelectric emission units alternately emit signals after receiving the command sent by the controller, if no human body appears in the area covered by the plurality of photoelectric emission units, the photoelectric receiving unit cannot receive the reflected signals, if a human body appears in the area covered by the plurality of photoelectric emission units, the photoelectric receiving unit receives the reflected signals, and the alternating frequency of the emitted signals is high enough.
A method for detecting the number of people in a room by using a low-power consumption device for detecting the number of people in the room is characterized by comprising the following steps: the method comprises the following steps:
step one, arranging a people number detection device above an entrance and an exit of each set room;
step two, when a human body passes through a set room entrance, the passive sensor of the people number detection device can detect the movement of the human body;
thirdly, feeding back a signal to the controller after the passive sensor detects the movement of the person;
thirdly, the controller receives a feedback signal of the passive sensor and then sends out alternate emission commands to a plurality of photoelectric emission units of the active sensor of the combined structure;
step four, the plurality of photoelectric emission units alternately emit signals and the receiving unit feeds back the signals reflected by the photoelectric emission units to the controller;
the controller judges whether a human body exists in an irradiation area and the sequence of the existence of the human body when the corresponding transmitting units transmit according to the signals fed back by the receiving units, so that the direction and the times of the human body entering and exiting at the entrance and exit of each room are judged;
judging the number of people in the current room according to the number of times of the human body in and out of each room and the direction of the human body in and out of each time;
and seventhly, judging the number of people in the current room according to the number of times of the people in and out of each room and the direction of the people in and out of each room.
The utility model provides a low-power consumption indoor number of people detection device's switching on and off electrical apparatus automatic control system which characterized in that:
the intelligent controller comprises at least one low-power consumption indoor people number detection device, at least one intelligent controller, at least one common electric appliance and a wireless network, wherein the controller of the low-power consumption indoor people number detection device is connected with the corresponding intelligent controller through the wireless network, and the intelligent controller is connected with the common electric appliance in a wired mode;
or the system comprises at least one low-power consumption indoor people number detection device, at least one intelligent electric appliance and a wireless network, wherein a controller of the low-power consumption indoor people number detection device is connected with the intelligent electric appliance through the wireless network;
or the system comprises at least one low-power consumption indoor people number detection device, at least one intelligent gateway, at least one intelligent controller, at least one common electric appliance and a wireless network, wherein the controller of the low-power consumption indoor people number detection device is connected with the intelligent gateway through the wireless network, the intelligent gateway is connected with the intelligent controller through the wireless network, and the intelligent controller is connected with the common electric appliance through a wired mode.
The appliance includes a light or an air conditioner arranged in a room.
An automatic control method of a switching device of an automatic control system of a low-power-consumption switching device is characterized in that: the method comprises the following steps:
step one, setting an electric appliance needing to automatically control the on-off of the electric appliance, a room where the electric appliance is located, and a time range for automatically controlling the on-off of the electric appliance;
step two, arranging a people number detection device above an entrance and an exit of each set room;
step three, when a human body passes through a set room entrance, the passive sensor of the people number detection device can detect the movement of the human body;
step four, the passive sensor feeds back a signal to the controller after detecting the movement of the person;
step five, the controller sends out alternate emission commands to a plurality of photoelectric emission units of the active sensor of the combined structure after receiving the feedback signals of the passive sensor;
sixthly, the plurality of photoelectric emission units alternately emit signals and the receiving unit feeds back the signals reflected by the photoelectric emission units to the controller;
step seven, the controller judges whether a human body exists in an irradiation area and the sequence of the existence of the human body when the plurality of transmitting units corresponding to the controller transmit the signals fed back by the receiving units, so that the direction and the times of the human body entering and exiting at the entrance and exit of each room are judged;
step eight, if the direction of the human body entering and exiting is judged to be the direction of the door, whether other people exist in the current room is further judged, whether the current time period is a set time period, whether the current room is the set room and whether the current electric appliance is the set electric appliance is further judged, and if no other people exist in the current room and the set electric appliance in the current room is opened, the controller of the low-power-consumption indoor people number detection device controls the intelligent electric appliance to automatically turn off the electric appliance through a wireless network; or the controller of the low-power-consumption indoor people number detection device sends a command to the intelligent controller through a wireless network and then automatically controls the ordinary electric appliance to be switched off through the intelligent controller; or the controller of the low-power-consumption indoor people number detection device sends a command to the intelligent gateway through a wireless network, the intelligent gateway sends the command to the intelligent controller, and the intelligent controller automatically controls the ordinary electric appliances to be switched off;
step nine, if the entering and exiting direction of the human body is judged to be the entering direction of the door, whether other people exist in the current room is further judged, whether the current time period is a set time period, whether the current room is the set room and whether the current electric appliance is the set electric appliance is further judged, and if no other people exist in the current room and the electric appliance in the current room is closed, the controller of the low-power-consumption indoor people number detection device controls the intelligent electric appliance to automatically turn on the electric appliance through a wireless network; or the controller of the low-power-consumption indoor people number detection device sends a command to the intelligent controller through a wireless network, and then the intelligent controller automatically controls the common electric appliance to be powered on; or the controller of the low-power-consumption indoor people number detection device sends a command to the intelligent gateway through a wireless network, the intelligent gateway sends the command to the intelligent controller, and the intelligent controller automatically controls the common electric appliance to be powered on.
Advantageous effects of the invention
1. The invention organically combines a passive sensor, a controller and a combined structure active sensor, and realizes the detection of the number of people in a room with low power consumption and high precision by adopting a method that the passive sensor firstly detects the activity of people near a door and then feeds back a signal to the controller, the controller firstly wakes up the active sensor, then a plurality of transmitting units of the combined structure active sensor are controlled to alternately transmit signals, and a single receiving unit or a plurality of receiving units of the active sensor feed back the signal to the controller, so that the problems of power consumption are perfectly solved, and the people can work for 1 to 2 years by using one battery.
2. The invention organically combines a low-power consumption indoor people number detection device, an intelligent household appliance and a mobile phone APP; or organically combining a low-power-consumption indoor detection device for people, an intelligent controller, a common household appliance and a mobile phone APP; or combine low-power consumption number indoor detection device, intelligent gateway, intelligent control ware, ordinary household electrical appliances, cell-phone APP organically, realized the switching of low-power consumption automatic control household electrical appliances, strengthened user experience, compare the prior art and adopt the method of active sensor alone, consumption greatly reduced compares the prior art and adopts the method of passive sensor alone, has solved the problem that passive sensor can not make statistics of indoor quiescent number.
Drawings
FIG. 1 is a low power consumption indoor people number detection device according to the present invention;
FIG. 2a is a schematic diagram of an active sensor structure with a multi-transmission and single-reception combined structure according to the present invention 1;
FIG. 2b is a schematic diagram of an active sensor structure with a multi-transmission and single-reception combined structure according to the present invention 2;
FIG. 2c is a schematic diagram of an active sensor structure with a multi-transmission and single-reception combined structure according to the present invention 3;
FIG. 2d is a schematic diagram of an active sensor configuration with a multi-transmission and single-reception combined structure according to the present invention 4;
FIG. 2e is a layout of a multi-transmit, multi-receive composite structure active sensor according to the present invention;
FIG. 3 is a schematic diagram of the internal structure of the controller of the low power consumption indoor people detection device according to the present invention;
FIG. 4a is a schematic structural diagram of an automatic control system of a low power consumption switching device according to the present invention 1;
FIG. 4b is a schematic diagram of the automatic control system of the low power consumption switching device of the present invention, which is shown in FIG. 2;
FIG. 4c is a schematic structural diagram of an automatic control system of a low power consumption switching device according to the present invention 3;
Detailed Description
The invention is further explained below with reference to the drawings.
Design principle of the invention
1. Summary of the invention: the invention skillfully combines the active sensor and the passive sensor together, and utilizes the advantages of low power consumption of the passive sensor and high reaction speed and precision of the active sensor. The general method comprises the following steps: the passive sensor is in a dormant low-power-consumption state all the time when no person passes by, and when people are found near a door, the passive sensor immediately wakes up the active sensor through the controller to detect the people, so that the passive sensor is accurate and has low power consumption.
2. The low-power consumption indoor people number detection device has the characteristics that: compared with the prior art, the low-power-consumption indoor people number detection device adopts the active sensors with a combined structure (the combined structure is a method for placing a plurality of transmitting units and a common receiving unit in the detection device or placing a plurality of transmitting units and a plurality of receiving units), the prior art adopts a method for continuously arranging two independent active sensors, if the active sensors are similar from the outside of the detection device and the inside of the detection device, but a key problem is not ignored: why is the prior art not to place two sensors inside the same sensing device? Because two photoelectric sensors are placed together to have interference, the controller adopts a plurality of sensors to scan at a high speed in a time-sharing manner, and the mutual interference of the plurality of photoelectric sensors is avoided. The invention also analyzes that the prior art only continuously arranges two active sensors without adopting a controller, the controller of the invention adopts a method of sending command control to ensure that the active sensors do not need to work all the time, the active sensors of the invention are only woken up to work when the controller sends a command to the active sensors, the controller sends a command to the active sensors and comes from the signal feedback of the passive sensors, and the signal feedback of the passive sensors and comes from the human body shaking of a detection area. Therefore, the passive sensor and the active sensor start the work of the detection area only when the human body shakes in the detection area, and therefore the indoor number detection device can achieve low power consumption.
3. There is a cause of interference when two photosensors are put together: first, there are two types of photosensors: one is reflective and one is correlation. The reflected light is emitted by the emitting unit, returns through the detected object and is received by the receiving unit, so that the emitting and receiving units are placed together (as shown in fig. 2 e); the opposite-emitting light is emitted by the emitting unit, and if no object is blocked, the opposite-emitting light is always received by the receiving unit, and when the detected object passes through the opposite-emitting light, the receiving unit cannot receive the emitting signal, so that the opposite-emitting light has to be arranged opposite to the receiving unit in the opposite-emitting sensor, as shown in fig. 2a-2 d. However, no matter reflection or correlation, the receiving angle of the receiving unit is relatively large, like the remote control of a television in a family, a user can control the television without completely facing the television, and because the receiving angle is relatively large and the receiving angle is relatively large, the controller of the invention adopts a plurality of sensors to perform high-speed time-sharing scanning, and avoids mutual interference of a plurality of photoelectric sensors.
Based on the principle of the invention, the invention designs the low-power consumption indoor people number detection device.
A low-power consumption indoor people number detection device is shown in figure 1 and is characterized in that: the device comprises a passive sensor, an active sensor with a combined structure, a controller, a battery and a wireless communication module; the controller respectively receives signals fed back by the passive sensor and the combined structure active sensor and sends a control command to the combined structure active sensor; the battery module supplies power for the passive sensor, the active sensor with the combined structure, the controller and the wireless communication module respectively.
As shown in fig. 1, the low power consumption indoor people number detection device further includes an ambient light brightness sensor, and the controller controls the household electrical appliance related to brightness according to a signal fed back by the ambient light brightness sensor. For example, the light in the room can be automatically controlled to be turned on or off by the controller according to the light brightness signal fed back by the light brightness sensor.
As shown in fig. 1, the passive sensor includes a passive pyroelectric infrared sensor and a fresnel lens, and due to the fact that a human body has temperature, infrared waves with specific wavelengths can be emitted, the passive pyroelectric infrared sensor can capture the infrared waves emitted by a person moving in the coverage area of the sensor, and the passive pyroelectric infrared sensor is triggered to feed back signals to the controller.
As shown in fig. 2a-2e, the composite structure active sensor includes a plurality of photo-electric emitting units, one or more photo-electric receiving units; the composite structure active sensor may also be combined using an ultrasonic transceiver.
Supplementary explanation:
the plurality of photoelectric emission units comprise 2 or more than 2, fig. 2a is a case that two emission units share one receiving unit, fig. 2b-2c are cases that 3 emission units share one receiving unit, 2 of the 3 emission units can be connected in parallel to form one unit, which is also equivalent to the principle of 2 emission units, fig. 2d is a case that the 3 emission units are respectively connected with the receiving unit in an abutting mode, the receiving unit alternately receives information of the 3 emission units, and the controller alternately sends commands to the 3 emission units. Fig. 2e shows a case of a plurality of transmitting units and a plurality of receiving units, which belong to a reflective active sensor. The reflected light is emitted by the emitting unit, returns through the detected object and is received by the receiving unit, so that the emitting unit and the receiving unit are placed together, and similarly, the controller alternately emits commands to the emitting unit of fig. 2e and alternately receives feedback information of the receiving unit.
As shown in fig. 3, the controller includes a passive sensor signal receiving unit, a combined structure active sensor signal receiving unit, and an alternate command sending unit; after receiving the signals fed back by the passive sensor, the controller sends out alternate emission commands to the photoelectric emission units of the active sensor with the combined structure through the alternate command sending unit, and the alternate frequency of 1000Hz can be achieved.
A method for detecting the number of people in a room by using a low-power consumption device for detecting the number of people in the room is characterized in that: the method comprises the following steps:
step one, arranging a people number detection device above an entrance and an exit of each set room;
step two, when a human body passes through a set room entrance, the passive sensor of the people number detection device can detect the movement of the human body;
thirdly, feeding back a signal to the controller after the passive sensor detects the movement of the person;
thirdly, the controller receives a feedback signal of the passive sensor and then alternately transmits commands to the plurality of photoelectric transmitting units of the active sensor with the combined structure;
step four, the plurality of photoelectric emission units alternately emit signals to a target human body and the receiving unit feeds back the signals reflected by the human body to the controller;
the controller judges the distance of the transmitting time of the plurality of transmitting units corresponding to the receiving unit according to the signals fed back by the receiving unit, so that the direction of the human body entering and exiting at the entrance and exit of each room is judged;
and step six, judging the number of people in the current room according to the number of times of the human body in and out of each room and the direction of the human body in and out of each time.
A low power consumption switch electric appliance automatic control system of a low power consumption indoor people number detection device is shown in figure 4b, and is characterized in that: the intelligent controller comprises at least one low-power consumption indoor people number detection device, at least one intelligent controller, at least one common electric appliance and a wireless network, wherein the controller of the low-power consumption indoor people number detection device is connected with the corresponding intelligent controller through the wireless network, and the intelligent controller is connected with the common electric appliance in a wired mode; still include cell-phone APP, cell-phone APP through the bluetooth with low-power consumption indoor number detection device carries out the communication.
As shown in fig. 4a, or includes at least one low-power consumption indoor people number detection device, at least one intelligent electrical appliance, and a wireless network, where a controller of the low-power consumption indoor people number detection device is connected with the intelligent electrical appliance through the wireless network; still include cell-phone APP, cell-phone APP through the bluetooth with low-power consumption indoor number detection device carries out the communication.
As shown in fig. 4b, or comprises at least one low-power consumption indoor people number detection device, at least one intelligent electrical appliance and a wireless network, wherein a controller of the low-power consumption indoor people number detection device is connected with the intelligent electrical appliance through the wireless network; still include cell-phone APP, cell-phone APP through the bluetooth with low-power consumption indoor number detection device carries out the communication.
As shown in fig. 4c, or the system comprises at least one low-power consumption indoor people number detection device, at least one intelligent gateway, at least one intelligent controller, at least one common electrical appliance and a wireless network, wherein the controller of the low-power consumption indoor people number detection device is connected with the intelligent gateway through the wireless network, the intelligent gateway is connected with the intelligent controller through the wireless network, and the intelligent controller is connected with the common electrical appliance through a wired mode. The intelligent gateway also comprises a mobile phone APP, and the mobile phone APP is communicated with the intelligent gateway through Wi F i or a mobile network.
Supplementary explanation:
cell-phone APP is used for setting by the room of being controlled, is controlled the time quantum, is controlled electrical equipment, electrical apparatus is including laying lamp or the air conditioner in the room. The controlled room is a room where a controlled lamp and an air conditioner are located; i.e. at which time periods the lights or air conditioners of the room need to be controlled. The above setting can all be carried out on cell-phone APP, can be according to the difference in season, family member's demand adjusts the demand at any time.
An automatic control method of a switching device of an automatic control system of a low-power-consumption switching device is characterized in that: the method comprises the following steps:
step one, setting an electric appliance needing to automatically control the on-off of the electric appliance, a room where the electric appliance is located, and a time range for automatically controlling the on-off of the electric appliance;
step two, arranging a people number detection device above an entrance and an exit of each set room;
step three, when a human body passes through a set room entrance, the passive sensor of the people number detection device can detect the movement of the human body;
step four, the passive sensor feeds back a signal to the controller after detecting the movement of the person;
step five, the controller sends out alternate emission commands to a plurality of photoelectric emission units of the active sensor of the combined structure after receiving the feedback signals of the passive sensor;
sixthly, the plurality of photoelectric emission units alternately emit signals and the receiving unit feeds back the signals reflected by the photoelectric emission units to the controller;
step seven, the controller judges whether a human body exists in an irradiation area and the sequence of the existence of the human body when the plurality of transmitting units corresponding to the controller transmit the signals fed back by the receiving units, so that the direction and the times of the human body entering and exiting at the entrance and exit of each room are judged; and step six, judging the number of people in the current room according to the number of times of the human body in and out of each room and the direction of the human body in and out of each time.
Step eight, if the direction of the human body entering and exiting is judged to be the direction of the door, whether other people exist in the current room is further judged, whether the current time period is a set time period, whether the current room is the set room and whether the current electric appliance is the set electric appliance is further judged, and if no other people exist in the current room and the set electric appliance in the current room is opened, the controller of the low-power-consumption indoor people number detection device controls the intelligent electric appliance to automatically turn off the electric appliance through a wireless network; or the controller of the low-power-consumption indoor people number detection device sends a command to the intelligent controller through a wireless network and then automatically controls the ordinary electric appliance to be switched off through the intelligent controller; or the controller of the low-power-consumption indoor people number detection device sends a command to the intelligent gateway through a wireless network, the intelligent gateway sends the command to the intelligent controller, and the intelligent controller automatically controls the ordinary electric appliances to be switched off;
step nine, if the entering and exiting direction of the human body is judged to be the entering direction of the door, whether other people exist in the current room is further judged, whether the current time period is a set time period, whether the current room is the set room and whether the current electric appliance is the set electric appliance is further judged, and if no other people exist in the current room and the electric appliance in the current room is closed, the controller of the low-power-consumption indoor people number detection device controls the intelligent electric appliance to automatically turn on the electric appliance through a wireless network; or the controller of the low-power-consumption indoor people number detection device sends a command to the intelligent controller through a wireless network, and then the intelligent controller automatically controls the common electric appliance to be powered on; or the controller of the low-power-consumption indoor people number detection device sends a command to the intelligent gateway through a wireless network, the intelligent gateway sends the command to the intelligent controller, and the intelligent controller automatically controls the common electric appliance to be powered on.
It should be emphasized that the described embodiments of the present invention are illustrative rather than limiting and, thus, the present invention includes embodiments that are not limited to those described in the detailed description.
Claims (3)
1. An automatic control method for switching device of automatic control system for switching device with low power consumption indoor people number detection device, wherein,
the low-power consumption indoor number of people detection device include: the device comprises a passive sensor, a combined structure active sensor, a controller, a battery and a wireless communication module; the controller respectively receives signals fed back by the passive sensor and the combined structure active sensor and sends a control command to the combined structure active sensor; the battery respectively supplies power for the passive sensor, the combined structure active sensor, the controller and the wireless communication module; the passive sensor comprises a passive infrared pyroelectric sensor and a Fresnel lens, and can emit infrared waves with specific wavelengths due to the temperature of a human body, capture the infrared waves emitted by a person moving in the coverage area of the passive infrared pyroelectric sensor, and feed back signals to the controller after being triggered; the combined structure active sensor comprises a plurality of photoelectric emission units and one or more photoelectric receiving units; the controller comprises a passive sensor signal receiving unit, a combined structure active sensor signal receiving unit and an alternating command sending unit; after receiving a signal fed back by the passive sensor, the controller sends an alternate emission command to a plurality of photoelectric emission units of the active sensor with the combined structure through an alternate command sending unit; the plurality of photoelectric emission units receive the command sent by the controller and then alternately emit signals, if no human body appears in the area covered by the plurality of photoelectric emission units, the photoelectric receiving unit cannot receive the reflected signals, if human bodies appear in the area covered by the plurality of photoelectric emission units, the photoelectric receiving unit receives the reflected signals, and the alternating frequency of the emitted signals is high enough;
the automatic control system of the switching device comprises: the intelligent controller is connected with the common electric appliance in a wired mode; or the system comprises at least one low-power consumption indoor people number detection device, at least one intelligent electric appliance and a wireless network, wherein a controller of the low-power consumption indoor people number detection device is connected with the intelligent electric appliance through the wireless network; or the system comprises at least one low-power consumption indoor people number detection device, at least one intelligent gateway, at least one intelligent controller, at least one common electric appliance and a wireless network, wherein the controller of the low-power consumption indoor people number detection device is connected with the intelligent gateway through the wireless network, the intelligent gateway is connected with the intelligent controller through the wireless network, and the intelligent controller is connected with the common electric appliance in a wired mode;
the method is characterized in that: the automatic control method of the switching device comprises the following steps:
step one, setting an electric appliance needing to automatically control the on-off of the electric appliance, a room where the electric appliance is located, and a time range for automatically controlling the on-off of the electric appliance;
step two, arranging a people number detection device above an entrance and an exit of each set room;
step three, when a human body passes through a set room entrance, the passive sensor of the people number detection device can detect the movement of the human body;
step four, the passive sensor feeds back a signal to the controller after detecting the movement of the person;
step five, the controller sends out alternate emission commands to a plurality of photoelectric emission units of the active sensor of the combined structure after receiving the feedback signals of the passive sensor;
sixthly, the plurality of photoelectric emission units alternately emit signals and the receiving unit feeds back the signals reflected by the photoelectric emission units to the controller;
step seven, the controller judges whether a human body exists in an irradiation area and the sequence of the existence of the human body when the plurality of transmitting units corresponding to the controller transmit the signals fed back by the receiving units, so that the direction and the times of the human body entering and exiting at the entrance and exit of each room are judged;
step eight, if the direction of the human body entering and exiting is judged to be the direction of the door, whether other people exist in the current room is further judged, whether the current time period is a set time period, whether the current room is the set room and whether the current electric appliance is the set electric appliance is further judged, and if no other people exist in the current room and the set electric appliance in the current room is opened, the controller of the low-power-consumption indoor people number detection device controls the intelligent electric appliance to automatically turn off the electric appliance through a wireless network; or the controller of the low-power-consumption indoor people number detection device sends a command to the intelligent controller through a wireless network and then automatically controls the ordinary electric appliance to be switched off through the intelligent controller; or the controller of the low-power-consumption indoor people number detection device sends a command to the intelligent gateway through a wireless network, the intelligent gateway sends the command to the intelligent controller, and the intelligent controller automatically controls the ordinary electric appliances to be switched off;
step nine, if the entering and exiting direction of the human body is judged to be the entering direction of the door, whether other people exist in the current room is further judged, whether the current time period is a set time period, whether the current room is the set room and whether the current electric appliance is the set electric appliance is further judged, and if no other people exist in the current room and the electric appliance in the current room is closed, the controller of the low-power-consumption indoor people number detection device controls the intelligent electric appliance to automatically turn on the electric appliance through a wireless network; or the controller of the low-power-consumption indoor people number detection device sends a command to the intelligent controller through a wireless network, and then the intelligent controller automatically controls the common electric appliance to be powered on; or the controller of the low-power-consumption indoor people number detection device sends a command to the intelligent gateway through a wireless network, the intelligent gateway sends the command to the intelligent controller, and the intelligent controller automatically controls the common electric appliance to be powered on.
2. The automatic control method of the switching device according to claim 1, wherein: the low-power consumption indoor people number detection device also comprises an environment light brightness sensor, and the controller controls household electrical equipment related to brightness according to signals fed back by the environment light brightness sensor; the composite structure active sensor may also be combined using an ultrasonic transceiver.
3. The automatic control method of the switching device according to claim 1, wherein: the appliance includes a light or an air conditioner arranged in a room.
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