CN111915770A - Safety protection system based on smart home coded lock - Google Patents
Safety protection system based on smart home coded lock Download PDFInfo
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- CN111915770A CN111915770A CN202010772152.9A CN202010772152A CN111915770A CN 111915770 A CN111915770 A CN 111915770A CN 202010772152 A CN202010772152 A CN 202010772152A CN 111915770 A CN111915770 A CN 111915770A
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- 230000032683 aging Effects 0.000 claims description 13
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00571—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
- G07C2009/0042—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks the transmitted data signal containing a code which is changed
- G07C2009/00476—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks the transmitted data signal containing a code which is changed dynamically
- G07C2009/00484—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks the transmitted data signal containing a code which is changed dynamically whereby the code is a variable code
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Abstract
The invention discloses a safety protection system based on an intelligent household coded lock, which comprises an external environment detection module, an alarm module, a coded lock module, a flash detection module, a driving module, a human-computer interaction module, a video monitoring module, a data storage module and a control center, wherein the external environment detection module is used for detecting the external environment; the invention can greatly improve the timeliness of the rainfall condition detection by monitoring the real-time noise condition before and after the rainfall, and timely detect the rainfall so as to improve the timeliness of the closing of the door and window.
Description
Technical Field
The invention belongs to the technical field of smart homes, and particularly relates to a safety protection system based on a smart home coded lock.
Background
The intelligent home is characterized in that a home is used as a platform, facilities related to home life are integrated by utilizing a comprehensive wiring technology, a network communication technology, a safety precaution technology, an automatic control technology and an audio and video technology, an efficient management system of home facilities and family schedule affairs is constructed, home safety, convenience, comfortableness and artistry are improved, and an environment-friendly and energy-saving living environment is realized.
At present, the focus of intelligence house is still the security, in daily life, natural disasters, artificial danger and unexpected danger etc. all can bring harm for the house, and intelligent house among the prior art mainly focuses on monitoring dangers such as unexpected and artificial invasion, but to natural environment's such as illumination among the natural environment, rainfall control with correspond the regulation less, simultaneously, the intelligence lock is as partly of intelligent house, how to utilize its factor of safety that promotes intelligent house environment, be one of the problem that needs to solve in present intelligent house technical field.
Disclosure of Invention
The invention aims to provide a safety protection system based on an intelligent household coded lock.
The technical problems to be solved by the invention are as follows:
the intelligent home in the prior art mainly focuses on monitoring dangers such as accidents and artificial invasion, but monitoring and corresponding adjustment of natural environments such as illumination and rainfall in the natural environment are less, and meanwhile, an intelligent lock is taken as a part of the intelligent home, so that how to utilize the intelligent lock to improve the safety coefficient of the environment of the intelligent home is one of the problems to be solved in the technical field of the intelligent home nowadays.
The purpose of the invention can be realized by the following technical scheme:
a safety protection system based on an intelligent household coded lock comprises an external environment detection module, an alarm module, a coded lock module, a flash detection module, a driving module, a human-computer interaction module, a video monitoring module, a data storage module and a control center;
the external environment detection module is used for detecting outdoor wind speed, wind angle, rainfall rate, outdoor temperature, solar altitude and sunlight illumination intensity and transmitting the detected data to the control center;
the control center analyzes data uploaded by the external environment detection module and the internal environment detection module, generates control information by combining door and window positions uploaded by the human-computer interaction module, transmits the control information to the driving module, and the driving module controls the door, the window and the curtain to be opened and closed;
the step of the control center generating the control information is as follows:
s1, the control center receives the information of the solar altitude, the sunlight illumination intensity E and the outdoor temperature W uploaded by the external environment detection module, and the minimum included angle alpha between the sunlight and the outdoor surface of the window when the window is closed is obtained according to the solar altitude and the window installation angle;
s2, according to the formula
Calculating the opening amount Cd of the curtain, wherein d1, d2, d3 and d4 are all preset proportionality coefficients, and lambda is a preset correction coefficient, wherein when alpha is larger than 90 degrees, sunlight cannot directly shine into a room, alpha is regarded as 0 in a formula, the control center transmits the calculated Cd value to a driving module, and the driving module controls the opening and closing degree of the curtain;
s3, the control center receives the wind speed Ts, the wind angle Ta and the rainfall level Ds uploaded by the external environment detection module, when the wind speed Ts is larger than or equal to a preset value Ty, the control center sends an instruction to the driving module, the driving module completely closes the window, and when the wind speed Ts is smaller than the preset value Ty, the step S4 is carried out;
s4, according to the formula
Calculating to obtain an opening angle Ch of the window, wherein d5, d6, d7 and d8 are preset proportionality coefficients and preset correction coefficients, Ta is a minimum included angle between the wind direction and the outdoor surface of the window when the window is closed, and when Ta is larger than 90 degrees, the external natural wind cannot cause indoor environment within a certain size rangeThe influence is caused, and the rainwater cannot be drawn into a room, so that Ta is regarded as 0 during calculation, the control center transmits the Ch value obtained through calculation to the driving module, and the driving module controls the opening and closing degree of the window;
the human-computer interaction module is used for inputting position information of each door and window and setting illumination requirements of each room, an illumination sensor is fixedly arranged at a non-sunlight direct illumination position of each independent space in each room, and the illumination sensor is used for detecting the illumination intensity of the non-sunlight direct illumination position in each room and transmitting the illumination intensity to the control center;
the video monitoring module is used for collecting indoor monitoring image information and transmitting the collected monitoring image information to the data storage module;
the coded lock module automatically modifies and records the coded lock passwords of all doors and windows and transmits the modified passwords to the mobile terminal of the corresponding user.
The working method of the coded lock module comprises the following steps:
the method comprises the steps that an unlocking person is identified through a face identification module, when the unlocking person is an unauthorized person, a control center drives a door and a window to be closed and locked through a driving module, a coded lock module replaces a coded lock password of a corresponding door, face information of the unlocking person is sent to a mobile terminal of a user, if the unlocking person is confirmed to be an authorized person, the coded lock module replaces the corresponding door and window password with an original password, and the control center controls the door and the window to be restored to the previous state;
when the coded lock module does not detect a door opening signal and the video monitoring module detects that a person enters, the control center drives all doors and windows to be locked through the driving module, the coded lock module automatically modifies coded lock passwords of all the doors and windows, and meanwhile, confirmation information is sent to a mobile terminal of a user.
As a further scheme of the present invention, the external environment detection module includes a rain sensor and a volume sensor, wherein the rain sensor is used for detecting whether the outdoor environment is in a rainfall state, the volume sensor is used for detecting noise at a certain outdoor fixed position, and a windproof sponge cover is arranged outside the volume sensor.
As a further scheme of the present invention, the method for detecting the rainfall level comprises:
when the rain sensor does not detect rainfall, the volume sensor takes preset time t1 as a detection unit, the time interval between two adjacent detection units t1 is not more than preset time t2, the environmental volume is continuously detected for multiple times within t1, and the time intervals between two adjacent detections are the same, so that a group of environmental volume information F1, F2, and Ff is obtained within t1 according to a formula
Calculating to obtain a standard difference value S1 of the group of data, wherein Fp is an average value of F1, F2, Fp and Ff, deleting a maximum value and/or a minimum value in the group of data when S1 is greater than or equal to a preset value S, calculating the standard difference value S1 of the group of data again until S1 is less than the preset value S, and calculating to obtain an average value Fp1 of the remaining data in the group of data;
when the rain sensor detects rainfall, the volume sensor takes preset time t1 as a detection unit, the time interval between two adjacent detection units t1 is not more than preset time t2, environment volume is continuously detected for multiple times in t1, and the time intervals between two adjacent detections are the same, so that a group of environment volume information Fr1, Fr2, Frf is obtained in t1 according to a formula
Calculating to obtain a standard difference value S2 of the group of data, wherein Frp is an average value of Fr1, Fr2, Frf, deleting the maximum value and/or the minimum value in the group of data when S2 is greater than or equal to a preset value S, calculating the standard difference value S2 of the group of data again until S2 is less than the preset value S, calculating to obtain an average value Fp2 of the remaining data in the group of data,
presetting a fixed value Fj, taking the last updated Fp1 value before rainfall as a starting value, dividing the rainfall into six grades according to Fp1-Fp1+ Fj, Fp1+2Fj,. the.. the Fp1+5Fj and more than Fp1+5Fj, grading the rainfall according to the range of Fp2, and transmitting the grade data of the rainfall to a control center.
As a further scheme of the invention, the flash detection module is respectively arranged at indoor and outdoor positions corresponding to windows, and is used for detecting the instantaneous light intensity of the flash and the flash generation time detected at the indoor and outdoor corresponding positions and transmitting the flash to the control center, and the control center analyzes the flash and searches and positions the aging and damage conditions of the indoor circuit, so as to avoid safety problems caused by the aging and damage of the circuit;
as a further scheme of the present invention, the method for searching and positioning the aging and damage condition of the indoor circuit by the control center comprises:
the flash detection module respectively detects the instantaneous light intensity of flash at the corresponding indoor and outdoor positions and the flash generation time, marks the outdoor detected light intensity as Gg, marks the outdoor flash light intensity as Tg, marks the indoor detected light intensity as Gn, and marks the indoor flash light intensity as Tn;
when the light intensity variation value of Gg within the preset time t3 is smaller than Gg eta%, the flash is not generated, otherwise, the detected corresponding light intensity information and time information are sent to the control center, wherein eta is a preset value, similarly, when the light intensity variation value of Gn within the preset time t3 is smaller than Gn eta%, the flash is not generated, otherwise, the detected corresponding light intensity information and time information are sent to the control center;
when the light intensity change value of the Gg within the preset time t3 is larger than or equal to Gg eta%, and Gn detects that the light intensity change value within the preset time t3 is larger than or equal to Gn eta%, it is determined that no flash occurs indoors, and the flash signal is not processed;
the time Tn of the collected indoor flash signals is recorded, the video monitoring videos of the video monitoring module in the time period are read and stored in the data storage module, and therefore the personnel can conveniently backtrack and position the videos.
As a further scheme of the invention, the alarm information sent by the alarm module comprises video monitoring information shot by the video monitoring module, identity information of a corresponding user, a contact way of the corresponding user and corresponding address information.
The invention has the beneficial effects that:
because the safety protection system needs to ensure the timeliness of information, the rainfall needs to be detected and judged in time when raining, the phenomenon that the closing of doors and windows is untimely due to data delay is avoided, and the effect of closing the windows is influenced, however, according to the long detection time of the traditional rain gauge, the detection result can only reflect the rainfall condition within a period of time, and the safety protection system is not suitable for the safety protection system, the timeliness of the closing of the doors and windows can be improved greatly by monitoring the real-time noise condition before and after the rainfall, and by filtering the influence of instantaneous loud noise such as wind noise, thunder and the like, the timeliness of the detection of the rainfall condition can be greatly improved, the rainfall size can be detected in time, and the timeliness of the closing of the doors and windows can be improved. The indoor circuit aging and damage detection system is characterized by comprising a control center, a detection module, a storage module and a control module, wherein the control center analyzes the indoor circuit aging and damage detection module and searches and positions the indoor circuit aging and damage detection module so as to avoid safety problems caused by circuit aging and damage; the flash of light detection module can reduce in the outdoor environment light and because the window curtain shading effect and the mutual influence of the flash of light that indoor outdoor emergence that arouses under the incomplete condition to reduce the erroneous judgement, promote the accuracy that the flash of light detected, the trick lock module can reduce the economic loss that the password leaked and brought, can also reduce the harm that the intrusion behaviors such as stealing brought simultaneously, and carry out temporary activity restriction to the intruder, help police to arrest, avoid invading criminal's stream string crime.
Drawings
The invention is described in further detail below with reference to the figures and specific embodiments.
Fig. 1 is a frame diagram of a security protection system based on an intelligent home coded lock according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A safety protection system based on an intelligent household coded lock is shown in figure 1 and comprises an external environment detection module, an alarm module, a coded lock module, a flash detection module, a driving module, a human-computer interaction module, a video monitoring module, a data storage module and a control center;
the external environment detection module is used for detecting outdoor wind speed, wind angle, rainfall rate, outdoor temperature, solar altitude and sunlight illumination intensity and transmitting the detected data to the control center;
the control center analyzes data uploaded by the external environment detection module and the internal environment detection module, generates control information by combining door and window positions uploaded by the human-computer interaction module, transmits the control information to the driving module, and the driving module controls the door, the window and the curtain to be opened and closed;
the external environment detection module comprises a rainwater sensor and a volume sensor, wherein the rainwater sensor is used for detecting whether the outdoor environment is in a rainfall state, the volume sensor is used for detecting the noise of a certain outdoor fixed position, and a windproof sponge cover is arranged outside the volume sensor in order to reduce the influence of wind noise on a detection result when the volume sensor collects volume information;
the rainfall rate detection method comprises the following steps:
when the rain sensor does not detect rainfall, the volume sensor takes the preset time t1 as oneDetecting units, wherein the time interval between two adjacent detecting units t1 is not more than preset time t2, the environmental volume is continuously detected for multiple times within t1, and the time intervals between two adjacent detections are the same, so that a group of environmental volume information F1, F2, and Ff is obtained within t1, and according to a formula, the environmental volume information F1, the environmental volume information F2, the environmental volume information F and the environmental volume information F are obtained
Calculating to obtain a standard difference value S1 of the group of data, wherein Fp is an average value of F1, F2, Fp and Ff, deleting a maximum value and/or a minimum value in the group of data when S1 is greater than or equal to a preset value S, calculating the standard difference value S1 of the group of data again until S1 is less than the preset value S, and calculating to obtain an average value Fp1 of the remaining data in the group of data;
when the rain sensor detects rainfall, the volume sensor takes preset time t1 as a detection unit, the time interval between two adjacent detection units t1 is not more than preset time t2, environment volume is continuously detected for multiple times in t1, and the time intervals between two adjacent detections are the same, so that a group of environment volume information Fr1, Fr2, Frf is obtained in t1 according to a formula
Calculating to obtain a standard difference value S2 of the group of data, wherein Frp is an average value of Fr1, Fr2, Frf, deleting the maximum value and/or the minimum value in the group of data when S2 is greater than or equal to a preset value S, calculating the standard difference value S2 of the group of data again until S2 is less than the preset value S, calculating to obtain an average value Fp2 of the remaining data in the group of data,
presetting a fixed value Fj, taking the last updated Fp1 value before raining as a starting value, dividing the rainfall into six grades according to Fp1-Fp1+ Fj, Fp1+2Fj,. the.. the Fp1+5Fj and more than Fp1+5Fj, grading the rainfall according to the range of Fp2, taking the rainfall grade as the rainfall rate, and transmitting the grade data of the rainfall to the control center.
The safety protection system needs to ensure the timeliness of information, so that the rainfall needs to be detected and judged in time when raining, the phenomenon that the window and door are closed untimely due to data delay is avoided, and the window closing effect is influenced.
The step of the control center generating the control information is as follows:
s1, the control center receives the information of the solar altitude, the sunlight illumination intensity E and the outdoor temperature W uploaded by the external environment detection module, and the minimum included angle alpha between the sunlight and the outdoor surface of the window when the window is closed is obtained according to the solar altitude and the window installation angle;
s2, according to the formula
Calculating the opening amount Cd of the curtain, wherein d1, d2, d3 and d4 are all preset proportionality coefficients, and lambda is a preset correction coefficient, wherein when alpha is larger than 90 degrees, sunlight cannot directly shine into a room, alpha is regarded as 0 in a formula, the control center transmits the calculated Cd value to a driving module, and the driving module controls the opening and closing degree of the curtain;
s3, the control center receives the wind speed Ts, the wind angle Ta and the rainfall level Ds uploaded by the external environment detection module, when the wind speed Ts is larger than or equal to a preset value Ty, the control center sends an instruction to the driving module, the driving module completely closes the window, and when the wind speed Ts is smaller than the preset value Ty, the step S4 is carried out;
s4, according to the formula
Calculating to obtain an opening angle Ch of the window, wherein d5, d6, d7 and d8 are all preset proportional coefficients and are preset correction coefficients, Ta is a minimum included angle between the wind direction and the surface facing outdoors when the window is closed, and Ta >At 90 degrees, the external natural wind does not influence the indoor environment within a certain range, and the rainwater is not drawn into the room, so that Ta is regarded as 0 during calculation, the control center transmits the calculated Ch value to the driving module, and the driving module controls the opening and closing degree of the window;
the human-computer interaction module is used for inputting position information of each door and window and setting illumination requirements of each room, an illumination sensor is fixedly arranged at a non-sunlight direct illumination position of each independent space in each room, and the illumination sensor is used for detecting the illumination intensity of the non-sunlight direct illumination position in each room and transmitting the illumination intensity to the control center;
the video monitoring module is used for collecting indoor monitoring image information and transmitting the collected monitoring image information to the data storage module;
the flash detection module is respectively arranged at indoor and outdoor positions corresponding to the window, and is used for detecting the instantaneous light intensity of the flash and the flash generation time detected at the indoor and outdoor corresponding positions and transmitting the flash to the control center, and the control center analyzes the flash and searches and positions the aging and damage conditions of the indoor circuit, so that the safety problem caused by the aging and damage of the circuit is avoided;
the method for searching and positioning the aging and damage conditions of the indoor circuit by the control center comprises the following steps:
the flash detection module respectively detects the instantaneous light intensity of flash at the corresponding indoor and outdoor positions and the flash generation time, marks the outdoor detected light intensity as Gg, marks the outdoor flash light intensity as Tg, marks the indoor detected light intensity as Gn, and marks the indoor flash light intensity as Tn;
when the light intensity variation value of Gg within the preset time t3 is smaller than Gg eta%, the flash is not generated, otherwise, the detected corresponding light intensity information and time information are sent to the control center, wherein eta is a preset value, similarly, when the light intensity variation value of Gn within the preset time t3 is smaller than Gn eta%, the flash is not generated, otherwise, the detected corresponding light intensity information and time information are sent to the control center;
when the light intensity change value of the Gg within the preset time t3 is larger than or equal to Gg eta%, and Gn detects that the light intensity change value within the preset time t3 is larger than or equal to Gn eta%, it is determined that no flash occurs indoors, and the flash signal is not processed;
the time Tn of the collected indoor flash signals is recorded, the video monitoring videos of the video monitoring module in the time period are read and stored in the data storage module, and therefore the personnel can conveniently backtrack and position the videos.
The method can reduce the mutual influence of the light in the outdoor environment and the flash generated indoors and outdoors under the condition that the curtain shading effect is incomplete, thereby reducing the misjudgment and improving the accuracy of flash detection;
the coded lock module automatically modifies and records the coded lock passwords of all doors and windows and transmits the modified passwords to the mobile terminal of the corresponding user.
The working method of the coded lock module comprises the following steps:
the method comprises the steps that an unlocking person is identified through a face identification module, when the unlocking person is an unauthorized person, a control center drives a door and a window to be closed and locked through a driving module, a coded lock module replaces a coded lock password of a corresponding door, face information of the unlocking person is sent to a mobile terminal of a user, if the unlocking person is confirmed to be an authorized person, the coded lock module replaces the corresponding door and window password with an original password, and the control center controls the door and the window to be restored to the previous state;
when the coded lock module does not detect a door opening signal and the video monitoring module detects that a person enters, the control center drives all doors and windows to be closed and locked through the driving module, the coded lock module automatically modifies coded lock passwords of all the doors and windows and sends confirmation information to a mobile terminal of a user at the same time, if the person is confirmed to be authorized, the coded lock module replaces the corresponding door and window passwords with original passwords, the control center controls the doors and windows to be restored to the previous state at the same time, if the person is confirmed to be unauthorized, the modified passwords are sent to the mobile terminal of the user, and the control module sends alarm information through the alarm module;
the alarm information sent by the alarm module comprises video monitoring information shot by the video monitoring module, identity information of a corresponding user, a contact way of the corresponding user and corresponding address information.
The method can reduce economic loss caused by password leakage, can reduce harm caused by intrusion behaviors such as theft and the like, temporarily limits activities of intruders, assists police to arrest and avoids stream crime of intruders.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (6)
1. A safety protection system based on an intelligent household coded lock is characterized by comprising an external environment detection module, an alarm module, a coded lock module, a flash detection module, a driving module, a human-computer interaction module, a video monitoring module, a data storage module and a control center;
the external environment detection module is used for detecting outdoor wind speed, wind angle, rainfall rate, outdoor temperature, solar altitude and sunlight illumination intensity and transmitting the detected data to the control center;
the control center analyzes data uploaded by the external environment detection module and the internal environment detection module, generates control information by combining door and window positions uploaded by the human-computer interaction module, transmits the control information to the driving module, and the driving module controls the door, the window and the curtain to be opened and closed;
the step of the control center generating the control information is as follows:
s1, the control center receives the information of the solar altitude, the sunlight illumination intensity E and the outdoor temperature W uploaded by the external environment detection module, and the minimum included angle alpha between the sunlight and the outdoor surface of the window when the window is closed is obtained according to the solar altitude and the window installation angle;
s2, according to the formula
Calculating the opening amount Cd of the curtain, wherein d1, d2, d3 and d4 are all preset proportionality coefficients, and lambda is a preset correction coefficient, wherein when alpha is larger than 90 degrees, sunlight cannot directly shine into a room, alpha is regarded as 0 in a formula, the control center transmits the calculated Cd value to a driving module, and the driving module controls the opening and closing degree of the curtain;
s3, the control center receives the wind speed Ts, the wind angle Ta and the rainfall level Ds uploaded by the external environment detection module, when the wind speed Ts is larger than or equal to a preset value Ty, the control center sends an instruction to the driving module, the driving module completely closes the window, and when the wind speed Ts is smaller than the preset value Ty, the step S4 is carried out;
s4, according to the formula
Calculating to obtain an opening angle Ch of the window, wherein d5, d6, d7 and d8 are preset proportionality coefficients and preset correction coefficients, Ta is a minimum included angle between the wind direction and the outdoor surface of the window when the window is closed, when Ta is larger than 90 degrees, external natural wind cannot influence indoor environment within a certain size range, rainwater cannot be drawn into the room, therefore Ta is regarded as 0 during calculation, a control center transmits a calculated Ch value to a driving module, and the driving module controls the opening and closing degree of the window;
the human-computer interaction module is used for inputting position information of each door and window and setting illumination requirements of each room, an illumination sensor is fixedly arranged at a non-sunlight direct illumination position of each independent space in each room, and the illumination sensor is used for detecting the illumination intensity of the non-sunlight direct illumination position in each room and transmitting the illumination intensity to the control center;
the video monitoring module is used for collecting indoor monitoring image information and transmitting the collected monitoring image information to the data storage module;
the coded lock module automatically modifies and records the coded lock passwords of all doors and windows and transmits the modified passwords to the mobile terminal of the corresponding user;
the working method of the coded lock module comprises the following steps:
the method comprises the steps that an unlocking person is identified through a face identification module, when the unlocking person is an unauthorized person, a control center drives a door and a window to be closed and locked through a driving module, a coded lock module replaces a coded lock password of a corresponding door, face information of the unlocking person is sent to a mobile terminal of a user, if the unlocking person is confirmed to be an authorized person, the coded lock module replaces the corresponding door and window password with an original password, and the control center controls the door and the window to be restored to the previous state;
when the coded lock module does not detect a door opening signal and the video monitoring module detects that a person enters, the control center drives all doors and windows to be locked through the driving module, the coded lock module automatically modifies coded lock passwords of all the doors and windows, and meanwhile, confirmation information is sent to a mobile terminal of a user.
2. The safety protection system based on the smart home combination lock of claim 1, wherein the external environment detection module comprises a rain sensor and a volume sensor, wherein the rain sensor is used for detecting whether the outside is in a rainfall state, the volume sensor is used for detecting noise at a certain outdoor fixed position, and a windproof sponge cover is arranged outside the volume sensor.
3. The safety protection system based on the smart home coded lock according to claim 2, wherein the rainfall level detection method comprises the following steps:
when the rain sensor is not detectedWhen rainfall occurs, the volume sensor takes preset time t1 as a detection unit, the time interval between two adjacent detection units t1 is not more than preset time t2, the environmental volume is continuously detected for multiple times in t1 time, and the time intervals between two adjacent detections are the same, so that a group of environmental volume information F1, F2, and Ff is obtained in t1 time, and according to a formula, the environmental volume information F1, F2, and F is detected for multiple times
Calculating to obtain a standard difference value S1 of the group of data, wherein Fp is an average value of F1, F2, Fp and Ff, deleting a maximum value and/or a minimum value in the group of data when S1 is greater than or equal to a preset value S, calculating the standard difference value S1 of the group of data again until S1 is less than the preset value S, and calculating to obtain an average value Fp1 of the remaining data in the group of data;
when the rain sensor detects rainfall, the volume sensor takes preset time t1 as a detection unit, the time interval between two adjacent detection units t1 is not more than preset time t2, environment volume is continuously detected for multiple times in t1, and the time intervals between two adjacent detections are the same, so that a group of environment volume information Fr1, Fr2, Frf is obtained in t1 according to a formula
Calculating to obtain a standard difference value S2 of the group of data, wherein Frp is an average value of Fr1, Fr2, Frf, deleting a maximum value and/or a minimum value in the group of data when S2 is greater than or equal to a preset value S, calculating the standard difference value S2 of the group of data again until S2 is less than the preset value S, and calculating to obtain an average value Fp2 of the remaining data in the group of data;
presetting a fixed value Fj, taking the last updated Fp1 value before rainfall as a starting value, dividing the rainfall into six grades according to Fp1-Fp1+ Fj, Fp1+2Fj,. the.. the Fp1+5Fj and more than Fp1+5Fj, grading the rainfall according to the range of Fp2, and transmitting the grade data of the rainfall to a control center.
4. The safety protection system based on the smart home coded lock is characterized in that the flash detection modules are respectively installed at indoor positions and outdoor positions corresponding to windows, the flash detection modules are used for detecting flash instantaneous light intensity and flash occurrence time detected at the indoor and outdoor corresponding positions and transmitting the flash instantaneous light intensity and flash occurrence time to the control center, the control center analyzes the flash instantaneous light intensity and flash occurrence time, the indoor circuit aging and damage conditions are searched and positioned, and safety problems caused by circuit aging and damage are avoided.
5. The safety protection system based on the smart home coded lock according to claim 4, wherein the method for searching and positioning the aging and damage conditions of the indoor circuit by the control center comprises the following steps:
the flash detection module respectively detects the instantaneous light intensity of flash at the corresponding indoor and outdoor positions and the flash generation time, marks the outdoor detected light intensity as Gg, marks the outdoor flash light intensity as Tg, marks the indoor detected light intensity as Gn, and marks the indoor flash light intensity as Tn;
when the light intensity variation value of Gg within the preset time t3 is smaller than Gg eta%, the flash is not generated, otherwise, the detected corresponding light intensity information and time information are sent to the control center, wherein eta is a preset value, similarly, when the light intensity variation value of Gn within the preset time t3 is smaller than Gn eta%, the flash is not generated, otherwise, the detected corresponding light intensity information and time information are sent to the control center;
when the light intensity change value of the Gg within the preset time t3 is larger than or equal to Gg eta%, and Gn detects that the light intensity change value within the preset time t3 is larger than or equal to Gn eta%, it is determined that no flash occurs indoors, and the flash signal is not processed;
the time Tn of the collected indoor flash signals is recorded, the video monitoring videos of the video monitoring module in the time period are read and stored in the data storage module, and therefore the personnel can conveniently backtrack and position the videos.
6. The safety protection system based on the smart home coded lock according to claim 1, wherein the alarm information sent by the alarm module comprises video monitoring information shot by the video monitoring module, identity information of a corresponding user, a contact way of the corresponding user and corresponding address information.
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| CN202010772152.9A CN111915770A (en) | 2020-08-04 | 2020-08-04 | Safety protection system based on smart home coded lock |
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| CN202010772152.9A CN111915770A (en) | 2020-08-04 | 2020-08-04 | Safety protection system based on smart home coded lock |
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