CN112202912B - Remote automatic monitoring system for secondary water supply - Google Patents
Remote automatic monitoring system for secondary water supply Download PDFInfo
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Abstract
The invention discloses a remote automatic monitoring system for secondary water supply, which comprises a monitoring module, an illumination module, a video acquisition module, a controller, an access control management module and an alarm module, wherein the monitoring module is used for monitoring the water supply of a water supply system; the secondary water supply equipment is provided with a temperature sensor to monitor the temperature information of the equipment; a water flow sensor is arranged to monitor water flow information of the water outlet pipe; the method comprises the steps that a video acquisition module is arranged to acquire video information around the secondary water supply equipment, a pressure sensor is arranged to monitor water pressure information in a water outlet pipe, and an alarm module is controlled to give an alarm when the water pressure information/water flow information exceeds a preset water pressure threshold value/reaches a preset time, so that remote state monitoring and safety monitoring of the secondary water supply equipment are realized, and the safety of the equipment is improved; the timing module and the water level sensor realize the functions of timing and quantitatively adding water to the secondary water supply equipment, reduce the labor input and improve the working efficiency; entrance guard management module is used for managers 'business turn over, has promoted secondary water supply equipment's security.
Description
Technical Field
The invention relates to the technical field of remote monitoring, in particular to a secondary water supply remote automatic monitoring system.
Background
The secondary water supply is a form that a unit or an individual uses facilities such as storage and pressurization to store and pressurize urban public water supply or self-built facility water supply and then supply the water to a user. Since the innovation and the development of the economy and the society of China are rapidly developed, the vigorous development of real estate brings great pressure to the water supply system of urban residents and houses, and how to provide a standard and efficient water supply system ensures the drinking water safety of people becomes an important problem concerned at present.
The publication No. CN104717453A discloses a remote network monitoring system for secondary water supply equipment, which mainly comprises a network camera, a secondary water supply equipment signal controller, a router cat, an ADSL wireless broadband network and a server, wherein the network camera and the secondary water supply equipment signal controller are respectively connected with the router cat and then connected with the ADSL wireless broadband network, the ADSL wireless broadband network is communicated with the server, the network camera is used for collecting image signals and sound signals, and the secondary water supply equipment signal controller is used for collecting data signals and transmitting control signals. The invention has the advantages of low price and stable performance, can directly observe all conditions of the monitored secondary water supply equipment, can visually, truly, accurately and completely display various image signals in real time, and timely master the state of the secondary water supply equipment, improves water supply safety, enhances security consciousness, is beneficial to centralized management, saves manpower, reduces operation management cost and the like.
However, some data of the water supply needs to be manually analyzed, analysis and calculation cannot be performed through the system, time is consumed, meanwhile, the system is low in safety, real-time measurement and monitoring of water pressure and water temperature are lacked, water stored in water supply and delivery pipelines is easy to freeze to influence water supply in northern winter, water supply of residents cannot be guaranteed to be lost, and the system does not have good functions of prevention, protection, emergency and recovery when suffering from sudden accident threats (such as artificial intentional damage and the like), water supply is not changed, and economic loss is brought to people.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a secondary water supply remote automatic monitoring system. The water pressure, the temperature and the water flow are measured and monitored in real time through the monitoring module, the water pipe is heated by the heater when the outdoor temperature of the water pipe is lower, so that the water pipe cannot be frozen, the rotating speed of the high-pressure water pump is controlled by changing the frequency of the output power supply according to the water flow information and the feedback of the water pressure information, the water supply speed in the water outlet pipe is controlled, the water pressure information in the water outlet pipe is kept constant, pipe explosion accidents possibly caused by the blind operation of the high-pressure water pump are avoided, the remote state monitoring and the safety monitoring of secondary water supply equipment are realized, and the safety and the reliability of the equipment are improved;
the timing module and the water level sensor realize the timing and quantitative water adding function of the secondary water supply equipment, reduce the manpower input and improve the working efficiency; through the business turn over of entrance guard management module managers, carry out people's face contrast and the dual verification of safety sign indicating number to the entering personnel for personnel business turn over management is stricter, has effectively avoided lawless persons to be close secondary water supply equipment's situation to take place, has promoted secondary water supply equipment's security.
The purpose of the invention can be realized by the following technical scheme:
a remote automatic monitoring system for secondary water supply comprises a monitoring module, an illumination module, a video acquisition module, a controller, an access control management module and an alarm module;
the monitoring module is used for monitoring the water supply information of the secondary water supply equipment in real time and transmitting the water supply information to the controller; the monitoring module comprises a temperature sensor, a water flow sensor, an illumination sensor, a pressure sensor and a water level sensor;
the temperature sensor is used for monitoring real-time temperature information of the secondary water supply equipment and transmitting the real-time temperature information to the controller, and the controller drives and controls the heater/radiator to adjust the temperature to be within a preset standard temperature range when the real-time temperature information exceeds/is lower than the preset standard temperature range;
the secondary water supply equipment is provided with a water outlet pipe, the water flow sensor is arranged at the water outlet pipe, and the water outlet pipe is provided with an electromagnetic valve; the water flow sensor is used for sensing water flow information in the water outlet pipe and sending the water flow information to the controller; the controller controls the rotating speed of the high-pressure water pump by changing the frequency of the output power supply according to the feedback of the water flow information, so that the water supply speed in the water outlet pipe is controlled; the controller is used for controlling the alarm module to give an alarm when the water flow information exceeds a preset water flow threshold value and reaches a preset time;
the access control management module is used for managing the entrance and exit of personnel; the access control management module comprises an image acquisition unit, an image verification unit, an information input unit and an information verification unit; the specific working steps of the access control management module are as follows:
the method comprises the following steps: acquiring real-time human face image information of personnel through an image acquisition unit and transmitting the real-time human face image information to an image verification unit;
step two: the image verification unit receives the real-time face image information and compares the real-time face image information with preset face image information stored in a database;
step three: if the face comparison is passed, the entrance guard management module sends a security code to the set mobile phone terminal, and the fourth step is continuously executed;
step four: a user inputs a security code through an information input unit to perform security authentication, wherein the security code is a six-digit verification code generated randomly; the randomly generated six-digit verification code is formed by randomly mixing numbers and English letters; the specific input steps are as follows:
s41: acquiring the generation time of the verification code, marking the generation time of the verification code as T1, acquiring the time of sending the verification code to a set mobile phone terminal, marking the time of sending the verification code to the set mobile phone terminal as T2, and acquiring the sending time length T3 of the verification code as T2-T1;
s42: the method comprises the steps of obtaining the starting input time of the security code, marking the starting input time as T4, and obtaining the input reaction time length T5 of the verification code as T4-T2;
s43: presetting the aging time length of the verification code as T6, adding the transmission time length T3 of the verification code and the input reaction time length T5 of the verification code, and comparing the sum with the aging time length T6 of the verification code, wherein when T3+ T5 is greater than T6, the verification code is invalid, and the verification code needs to be retransmitted; when the T3+ T5 is less than or equal to T6, the verification code is valid, the verification code does not need to be sent again, and the next step is carried out;
s44: obtaining the input time of each character in the security code and marking as MT i I is 1, …, 6; of adjacent charactersCalculating the time difference of the input time to obtain the input interval duration of the character and marking the interval duration as JTi, JTi-MT i+1 -MT i ；
S45: the total time length for the security code input by the person is obtained and marked as T7, T7 ═ MT 6 -MT 1 (ii) a Setting the preset input time length of the security code as T8, comparing the total time length T7 of the security code input by personnel with the preset input time length T8, when the T7 is less than or equal to T8, the verification code is valid, and when the T7 is greater than the T8, the verification code is invalid;
s46: setting the preset input interval duration of the character to be T9; calculate JT i The difference from the preset input interval duration T9 results in an interval duration difference WJT i If all WJT i If the time length difference is smaller than the preset interval time length difference, the verification code is valid, otherwise, the verification code is invalid;
step five: and transmitting the input verification code to an information verification unit, if the verification code is correct, generating a safety verification passing signal and feeding the safety verification passing signal back to the controller, and controlling the entrance guard to be opened by the controller.
Further, the system also comprises a timing module, an electromagnetic valve and a water supply pipeline; the controller is respectively connected with the water level sensor and the electromagnetic valve; the electromagnetic valve is arranged on the water feeding pipeline and used for controlling the on-off of the water feeding pipeline; the water level sensor is arranged in the secondary water supply equipment and used for sensing water level information in the secondary water supply equipment in real time and sending the water level information to the controller, and the controller is used for comparing the water level information with a quarter of preset water level;
when the water level information is lower than a quarter of the preset water level, the controller controls the electromagnetic valve to be opened, the water supply pipeline is communicated, external water enters the secondary water supply equipment through the water supply pipeline, and when the water level information reaches the preset water level, the controller controls the electromagnetic valve to be closed, and the water supply pipeline is closed;
the timing module is used for achieving the purpose of timing control, and the timing module acquires water level information in the secondary water supply equipment at intervals of preset time and transmits the water level information in the secondary water supply equipment to the controller;
the controller is used for comparing the water level information in the secondary water supply equipment with a preset water level; when water level information is lower than the preset water level, the controller control electromagnetic valve is opened, the water feeding pipeline is communicated, external water enters the secondary water supply equipment through the water feeding pipeline, and when the water level information reaches the preset water level, the controller control electromagnetic valve is closed, and the water feeding pipeline is closed.
Further, the image verification unit in the step two receives the real-time human face image information and compares the real-time human face image information with preset human face image information stored in a database; the method comprises the following steps:
s21: marking preset face image information stored in a database as Q;
s22: marking the nose tip of the human face in the preset human face image information Q as a point A, and respectively marking two outer canthi of the human face as a point B and a point C;
s23: connecting the point A with the point B to obtain a line segment L1, connecting the point B with the point C to obtain a line segment L2, and connecting the point A with the point C to obtain a line segment L3;
s24: marking a triangle formed by the line segment L1, the line segment L2 and the line segment L3 as K, and making a vertical line segment perpendicular to the line segment L2 by using the endpoint of the point A, and marking the vertical line segment as L4;
s25: by (L2 XL 4)/2 ═ D1 Triangular shape The preset contrast ratio D1 can be obtained Triangular shape ；
S26: the real-time face image information is processed through the steps S22 to S25, so that the real-time contrast ratio D2 can be obtained Triangular shape ；
S27: calculating a preset contrast coefficient D1 Triangular shape Contrast ratio with real time D2 Triangular shape Difference D of Difference (D) If D is Difference (D) If the comparison difference value is less than the preset comparison difference value, generating face comparison passing information, and if the comparison difference value is D Difference (D) If the comparison difference value is larger than or equal to the preset comparison difference value, the face comparison failing information is generated.
Furthermore, a pressure sensor is also arranged in the water outlet pipe and used for monitoring water pressure information in the water outlet pipe in real time and sending the water pressure information to the controller, and the controller controls the rotating speed of the high-pressure water pump by changing the frequency of the output power supply according to the feedback of the water pressure information, so that the water pressure information in the water outlet pipe is kept constant; the controller is used for controlling the alarm module to give an alarm when the water pressure information exceeds a preset water pressure threshold value and reaches preset time;
the illumination sensor is used for monitoring illumination information outside the secondary water supply equipment in real time and transmitting the illumination information to the controller; the controller transmits an illumination signal to the illumination module when the illumination information is lower than a preset range, and the illumination module automatically turns on illumination when receiving the illumination signal transmitted by the controller; the auxiliary video acquisition module is used for acquiring peripheral video information of the secondary water supply equipment in real time.
Further, the water supply information comprises temperature information, water flow information, illumination information, water pressure information and water level information; the video acquisition module is arranged at the top of the shell of the secondary water supply equipment, is in communication connection with the controller and is used for acquiring peripheral video information of the secondary water supply equipment.
The invention has the beneficial effects that:
1. according to the invention, the water supply information of the secondary water supply equipment is monitored in real time through the monitoring module, and the controller drives and controls the heater/radiator to regulate the temperature to be within the preset standard temperature range when the real-time temperature information exceeds/is lower than the preset standard temperature range; when the outdoor temperature of the water pipe is lower, the heater can heat the water pipe to ensure that the water pipe cannot be frozen; the controller controls the rotating speed of the high-pressure water pump by changing the frequency of the output power supply according to the feedback of the water flow information, so that the water supply speed in the water outlet pipe is controlled, the situation that the water supply is too fast or too slow is prevented, the workload of workers is reduced, and the water supply efficiency is improved; when the water flow information exceeds a preset water flow threshold value and reaches a preset time, the alarm module is controlled to give an alarm, the controller controls the rotating speed of the high-pressure water pump by changing the frequency of the output power supply according to the feedback of the water pressure information, so that the water pressure information in the water outlet pipe is kept constant, pipe explosion accidents possibly caused by the blind operation of the high-pressure water pump are avoided, and the alarm module is controlled to give an alarm when the water pressure information exceeds the preset water pressure threshold value and reaches the preset time; the temperature, the water flow, the water pressure and the peripheral video information of the equipment can be sent to the background server through the controller, and the background server can forward the information to the client, so that the remote state monitoring and the safety monitoring of the secondary water supply equipment are realized, and the safety and the reliability of the equipment are improved;
2. the timing control method and the timing control device achieve the purpose of timing control through the timing module, the timing module acquires water level information in the secondary water supply equipment at intervals of preset time, and when the water level information is lower than the preset water level, the controller controls the electromagnetic valve to be opened to add water into the secondary water supply equipment; the water level sensor is used for sensing water level information in the secondary water supply equipment in real time, and when the water level information is lower than a quarter of a preset water level, the controller controls the electromagnetic valve to be opened to add water into the secondary water supply equipment; the timing module and the water level sensor realize the timing and quantitative water adding function of the secondary water supply equipment, reduce the manpower input and improve the working efficiency;
3. according to the invention, the entrance guard management module is used for the entrance and exit of management personnel, and the face comparison and the safety code double verification are carried out on the entering personnel, so that the entrance and exit management of the personnel is stricter, the condition that lawless persons approach the secondary water supply equipment is effectively avoided, and the safety of the secondary water supply equipment is improved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a block diagram of the system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
As shown in fig. 1, a remote automatic monitoring system for secondary water supply comprises a monitoring module, an illumination module, a video acquisition module, a controller, an access control management module and an alarm module;
the monitoring module is used for monitoring water supply information of the secondary water supply equipment in real time and transmitting the water supply information to the controller, wherein the water supply information comprises temperature information, water flow information, illumination information, water pressure information and water level information;
the monitoring module comprises a temperature sensor, a water flow sensor, an illumination sensor, a pressure sensor and a water level sensor; the temperature sensor is used for monitoring real-time temperature information of the secondary water supply equipment and transmitting the real-time temperature information to the controller, and the controller drives and controls the heater/radiator to adjust the temperature to be within a preset standard temperature range when the real-time temperature information exceeds/is lower than the preset standard temperature range; when the outdoor temperature of the water pipe is lower, the heater can heat the water pipe to ensure that the water pipe cannot be frozen;
the illumination sensor is used for monitoring illumination information outside the secondary water supply equipment in real time and transmitting the illumination information to the controller; the controller transmits an illumination signal to the illumination module when the illumination information is lower than a preset range, and the illumination module automatically turns on illumination when receiving the illumination signal transmitted by the controller; the auxiliary video acquisition module is used for acquiring peripheral video information of the secondary water supply equipment in real time;
the secondary water supply equipment is provided with a water outlet pipe, the water flow sensor is arranged at the water outlet pipe, and the water outlet pipe is provided with an electromagnetic valve; the water flow sensor is used for sensing water flow information in the water outlet pipe and sending the water flow information to the controller; the controller controls the rotating speed of the high-pressure water pump by changing the frequency of the output power supply according to the feedback of the water flow information, so that the water supply speed in the water outlet pipe is controlled, the situation that the water supply is too fast or too slow is prevented, the workload of workers is reduced, and the water supply efficiency is improved; the controller is used for controlling the alarm module to give an alarm when the water flow information exceeds a preset water flow threshold value and reaches a preset time;
the water outlet pipe is also internally provided with a pressure sensor, the pressure sensor is used for monitoring water pressure information in the water outlet pipe in real time and sending the water pressure information to the controller, and the controller controls the rotating speed of the high-pressure water pump by changing the frequency of the output power supply according to the feedback of the water pressure information, so that the water pressure information in the water outlet pipe is kept constant, and pipe burst accidents possibly caused by the blind operation of the high-pressure water pump are avoided; the controller is used for controlling the alarm module to give an alarm when the water pressure information exceeds a preset water pressure threshold value and reaches preset time;
the video acquisition module is arranged at the top of the shell of the secondary water supply equipment, is in communication connection with the controller and is used for acquiring peripheral video information of the secondary water supply equipment;
the secondary water supply equipment is provided with a temperature sensor for monitoring equipment temperature information; a water flow sensor is arranged for monitoring water flow information of the water outlet pipe; the system comprises a video acquisition module, a pressure sensor, a background server and a client, wherein the video acquisition module is used for acquiring video information around the secondary water supply equipment, the pressure sensor is used for monitoring water pressure information in a water outlet pipe, the temperature, water flow, water pressure and the video information around the equipment can be sent to the background server through a controller, and the background server can forward the video information to the client, so that remote state monitoring and safety monitoring of the secondary water supply equipment are realized, and the safety and reliability of the equipment are improved;
the system also comprises a timing module, an electromagnetic valve and a water supply pipeline; the controller is respectively connected with the water level sensor and the electromagnetic valve; the electromagnetic valve is arranged on the water feeding pipeline and used for controlling the on-off of the water feeding pipeline; the water level sensor is arranged in the secondary water supply equipment and used for sensing water level information in the secondary water supply equipment in real time and sending the water level information to the controller, and the controller is used for comparing the water level information with a quarter of preset water level;
when the water level information is lower than a quarter of the preset water level, the controller controls the electromagnetic valve to be opened, the water supply pipeline is communicated, external water enters the secondary water supply equipment through the water supply pipeline, and when the water level information reaches the preset water level, the controller controls the electromagnetic valve to be closed, and the water supply pipeline is closed;
the timing module is used for achieving the purpose of timing control, and the timing module acquires water level information in the secondary water supply equipment at intervals of preset time and transmits the water level information in the secondary water supply equipment to the controller;
the controller is used for comparing the water level information in the secondary water supply equipment with a preset water level; when the water level information is lower than the preset water level, the controller controls the electromagnetic valve to be opened, the water supply pipeline is communicated, external water enters the secondary water supply equipment through the water supply pipeline, and when the water level information reaches the preset water level, the controller controls the electromagnetic valve to be closed, and the water supply pipeline is closed;
the timing module and the water level sensor realize the timing and quantitative water adding function of the secondary water supply equipment, reduce the manpower input and improve the working efficiency;
the access control management module is used for managing the entrance and exit of personnel and ensuring the safety of secondary water supply equipment; the access control management module comprises an image acquisition unit, an image verification unit, an information input unit and an information verification unit; the specific working steps of the access control management module are as follows:
the method comprises the following steps: acquiring real-time human face image information of personnel through an image acquisition unit and transmitting the real-time human face image information to an image verification unit;
step two: the image verification unit receives the real-time face image information and compares the real-time face image information with preset face image information stored in a database; the method comprises the following steps:
s21: marking preset face image information stored in a database as Q;
s22: marking the nose tip of the human face in the preset human face image information Q as a point A, and respectively marking two outer canthi of the human face as a point B and a point C;
s23: connecting the point A with the point B to obtain a line segment L1, connecting the point B with the point C to obtain a line segment L2, and connecting the point A with the point C to obtain a line segment L3;
s24: marking a triangle formed by the line segment L1, the line segment L2 and the line segment L3 as K, and making a vertical line segment perpendicular to the line segment L2 by using the endpoint of the point A, and marking the vertical line segment as L4;
s25: by (L2 XL 4)/2 ═ D1 Triangular shape The preset contrast ratio D1 can be obtained Triangular shape ；
S26: the real-time face image information is processed through the steps S22 to S25, so that the real-time contrast ratio D2 can be obtained Triangular shape ；
S27: calculating a preset contrast coefficient D1 Triangular shape Contrast ratio with real time D2 Triangular shape Difference D of Difference (D) If D is Difference (D) If the comparison difference value is less than the preset comparison difference value, generating face comparison passing information, and if the comparison difference value is D Difference (D) If the comparison difference value is larger than or equal to the preset comparison difference value, face comparison non-passing information is generated;
step three: if the face comparison is passed, the entrance guard management module sends a security code to the set mobile phone terminal, and the fourth step is continuously executed;
step four: a user inputs a security code through an information input unit to perform security authentication, wherein the security code is a six-digit verification code generated randomly; the randomly generated six-digit verification code is formed by randomly mixing numbers and English letters; the specific input steps are as follows:
s41: acquiring the generation time of the verification code, marking the generation time of the verification code as T1, acquiring the time of sending the verification code to a set mobile phone terminal, marking the time of sending the verification code to the set mobile phone terminal as T2, and acquiring the sending time length T3 of the verification code as T2-T1;
s42: the method comprises the steps of obtaining the starting input time of the security code, marking the starting input time as T4, and obtaining the input reaction time length T5 of the verification code as T4-T2;
s43: presetting the aging time length of the verification code as T6, adding the transmission time length T3 of the verification code and the input reaction time length T5 of the verification code, and comparing the sum with the aging time length T6 of the verification code, wherein when T3+ T5 is greater than T6, the verification code is invalid, and the verification code needs to be retransmitted; when the T3+ T5 is less than or equal to T6, the verification code is valid, the verification code does not need to be sent again, and the next step is carried out;
s44: obtaining the input time of each character in the security code and marking as MT i I is 1, …, 6; calculating the time difference of the input time of adjacent characters to obtain the input interval duration of the characters, and marking the input interval duration as JTi, JTi-MT i+1 -MT i ；
S45: obtaining the total time length of the security code input by the personnelAnd marked as T7, T7 ═ MT 6 -MT 1 (ii) a Setting the preset input time length of the security code as T8, comparing the total time length T7 of the security code input by personnel with the preset input time length T8, when the T7 is less than or equal to T8, the verification code is valid, and when the T7 is greater than the T8, the verification code is invalid;
s46: setting the preset input interval duration of the character to be T9; calculate JT i The difference from the preset input interval duration T9 results in an interval duration difference WJT i If all WJT i If the time length difference values are smaller than the preset interval time length difference value, the verification code is valid, otherwise, the verification code is invalid;
step five: the input verification code is transmitted to the information verification unit, if the verification code is correct, a safety verification passing signal is generated and fed back to the controller, and the controller controls the entrance guard to be opened;
the monitoring module further comprises an infrared correlation sensor, the infrared correlation sensor is used for sensing whether a person approaches the secondary water supply equipment, when the fact that the person approaches the secondary water supply equipment is sensed, a proximity signal is generated and fed back to the controller, and the controller controls the water quality detection module to operate; the water quality detection module is used for acquiring water quality information and analyzing the water quality information; the water quality information comprises conventional index data and abnormal index data, wherein the conventional index data comprises turbidity data, residual chlorine data, pH value data and conductivity; the abnormal index data comprises toxic and harmful substances which cannot be generated under the natural state of secondary water supply, such as volatile organic compound data, cyanide data, heavy metal data and the like; the specific analysis steps are as follows:
SS 1: obtaining turbidity data in the conventional index data, and marking the turbidity data as CA;
acquiring residual chlorine data in the conventional index data, and marking the residual chlorine data as CE;
acquiring pH value data in the conventional index data, and marking the pH value data as CF;
acquiring the conductivity in the conventional index data, and marking the conductivity as CG;
weights are assigned according to the influence of turbidity data, residual chlorine data, pH value data and conductivity on water quality, and are sequentially assigned as Q1, Q2, Q3 and Q4, wherein Q1+ Q2+ Q3+ Q4 is 1, and Q1> Q2> Q3> Q4;
SS 2: according to the formula SC ═ CA × Q1+ CE × Q2+ | CF-8| × Q3+ CG × Q4; calculating to obtain a water quality index SC;
SS 3: comparing the water quality index SC with a water quality index threshold value;
when SC is larger than the water quality index threshold, generating a general alarm signal to be fed back to the controller, and controlling the alarm module to give an alarm by the controller;
SS 4: volatile organic compound data, cyanide data and heavy metal data in the abnormal index data are obtained, when any data exceeds the specified index limit, an emergency alarm signal is generated and fed back to the controller, the controller controls the alarm module to give an alarm and control the secondary water supply equipment to stop running, and meanwhile alarm information is sent to related safety departments.
When the remote automatic monitoring system works, firstly, the water supply information of secondary water supply equipment is monitored in real time through a monitoring module, the water supply information is transmitted to a controller, and the controller drives and controls a heater/radiator to adjust the temperature to be within a preset standard temperature range when the real-time temperature information exceeds/is lower than the preset standard temperature range; when the outdoor temperature of the water pipe is low, the heater can heat the water pipe, so that the water pipe is prevented from being frozen; the controller transmits an illumination signal to the illumination module when the illumination information is lower than a preset range, and the illumination module automatically turns on illumination when receiving the illumination signal transmitted by the controller; the auxiliary video acquisition module is used for acquiring peripheral video information of the secondary water supply equipment in real time; the controller controls the rotating speed of the high-pressure water pump by changing the frequency of the output power supply according to the feedback of the water flow information, so that the water supply speed in the water outlet pipe is controlled, the situation that the water supply is too fast or too slow is prevented, the workload of workers is reduced, and the water supply efficiency is improved; when the water flow information exceeds a preset water flow threshold value and reaches a preset time, the alarm module is controlled to give an alarm, the controller controls the rotating speed of the high-pressure water pump by changing the frequency of the output power supply according to the feedback of the water pressure information, so that the water pressure information in the water outlet pipe is kept constant, pipe explosion accidents possibly caused by the blind operation of the high-pressure water pump are avoided, and the alarm module is controlled to give an alarm when the water pressure information exceeds the preset water pressure threshold value and reaches the preset time; the temperature, the water flow, the water pressure and the peripheral video information of the equipment can be sent to the background server through the controller, and the background server can forward the information to the client, so that the remote state monitoring and the safety monitoring of the secondary water supply equipment are realized, and the safety and the reliability of the equipment are improved;
the timing module is used for achieving the purpose of timing control, the timing module acquires water level information in the secondary water supply equipment at intervals of preset time, and when the water level information is lower than the preset water level, the controller controls the electromagnetic valve to be opened to add water into the secondary water supply equipment; the water level sensor is used for sensing water level information in the secondary water supply equipment in real time, and when the water level information is lower than a quarter of a preset water level, the controller controls the electromagnetic valve to be opened to add water into the secondary water supply equipment; the timing module and the water level sensor realize the timing and quantitative water adding function of the secondary water supply equipment, reduce the manpower input and improve the working efficiency;
entrance guard management module is used for managers' business turn over, carry out face contrast and security code dual verification to entering personnel, after the face contrast passes, the user still need carry out the safety certification through information input unit input security code, the security code not only needs the time length of ageing time internal input and input security code of verification code must not exceed and predetermine the time length of input time length and the input interval of character and predetermine the time length of input interval difference must all be less than and predetermine the time length difference of interval, it is just effective so to verify the code, make personnel business turn over management stricter, the condition that lawless persons are close to secondary water supply equipment has effectively been avoided and the security of secondary water supply equipment has been promoted.
The above formulas are all obtained by collecting a large amount of data to perform software simulation and performing parameter setting processing by corresponding experts, and the formulas are in accordance with real results.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. A remote automatic monitoring system for secondary water supply is characterized by comprising a monitoring module, a lighting module, a video acquisition module, a controller, an access control management module and an alarm module;
the monitoring module is used for monitoring water supply information of the secondary water supply equipment in real time and transmitting the water supply information to the controller; the monitoring module comprises a temperature sensor, a water flow sensor, an illumination sensor, a pressure sensor and a water level sensor;
the temperature sensor is used for monitoring real-time temperature information of the secondary water supply equipment and transmitting the real-time temperature information to the controller; when the real-time temperature information is lower than the preset standard temperature range, the controller drives and controls the heater to adjust the temperature to be within the preset standard temperature range;
the secondary water supply equipment is provided with a water outlet pipe, the water flow sensor is arranged at the water outlet pipe, and the water outlet pipe is provided with an electromagnetic valve; the water flow sensor is used for sensing water flow information in the water outlet pipe and sending the water flow information to the controller; the controller controls the rotating speed of the high-pressure water pump by changing the frequency of the output power supply according to the feedback of the water flow information, so that the water supply speed in the water outlet pipe is controlled; the controller is used for controlling the alarm module to give an alarm when the water flow information exceeds a preset water flow threshold value and reaches a preset time;
the access control management module is used for the entrance and exit of management personnel; the access control management module comprises an image acquisition unit, an image verification unit, an information input unit and an information verification unit; the specific working steps of the access control management module are as follows:
the method comprises the following steps: acquiring real-time human face image information of personnel through an image acquisition unit and transmitting the real-time human face image information to an image verification unit;
step two: the image verification unit receives the real-time face image information and compares the real-time face image information with preset face image information stored in a database;
step three: if the face comparison is passed, the entrance guard management module sends a security code to the set mobile phone terminal, and the fourth step is continuously executed;
step four: a user inputs a security code through an information input unit to perform security authentication, wherein the security code is a six-digit verification code generated randomly; the randomly generated six-digit verification code is formed by randomly mixing numbers and English letters; the specific input steps are as follows:
s41: acquiring the generation time of the verification code, marking the generation time of the verification code as T1, acquiring the time of sending the verification code to a set mobile phone terminal, and marking the time of sending the verification code to the set mobile phone terminal as T2 to obtain the sending time length of the verification code, namely T3= T2-T1;
s42: the method comprises the steps of obtaining the starting input time of the security code and marking the starting input time as T4, and obtaining the input reaction time length T5= T4-T2 of the verification code;
s43: presetting the aging time length of the verification code as T6, adding the transmission time length T3 of the verification code and the input reaction time length T5 of the verification code, and comparing the sum with the aging time length T6 of the verification code, wherein when T3+ T5 is greater than T6, the verification code is invalid, and the verification code needs to be retransmitted; when the T3+ T5 is less than or equal to T6, the verification code is valid, the verification code does not need to be sent again, and the next step is carried out;
s44: acquiring the input time of each bit of character in the security code and marking the input time as MTi, i =1, …, 6; calculating time difference of input time of adjacent characters to obtain input interval duration of the characters, and marking the input interval duration as JTi, wherein JTi = MTi + 1-MTi;
s45: acquiring the total time length of the security code input by the personnel and marking the total time length as T7, T7= MT6-MT 1; setting the preset input time length of the security code as T8, comparing the total time length T7 of the security code input by personnel with the preset input time length T8, when the T7 is less than or equal to T8, the verification code is valid, and when the T7 is greater than the T8, the verification code is invalid;
s46: setting the preset input interval duration of the character to be T9; calculating a difference value between JTi and a preset input interval time length T9 to obtain an interval time length difference WJTi, wherein if all WJTi are smaller than the preset interval time length difference value, the verification code is valid, otherwise, the verification code is invalid;
step five: and transmitting the input verification code to an information verification unit, if the verification code is correct, generating a safety verification passing signal and feeding the safety verification passing signal back to the controller, and controlling the entrance guard to be opened by the controller.
2. The remote automatic monitoring system for secondary water supply according to claim 1, characterized in that the system further comprises a timing module, an electromagnetic valve and a water supply pipeline; the controller is respectively connected with the water level sensor and the electromagnetic valve; the electromagnetic valve is arranged on the water feeding pipeline and used for controlling the on-off of the water feeding pipeline; the water level sensor is arranged in the secondary water supply equipment and used for sensing water level information in the secondary water supply equipment in real time and sending the water level information to the controller, and the controller is used for comparing the water level information with a quarter of preset water level;
when the water level information is lower than a quarter of the preset water level, the controller controls the electromagnetic valve to be opened, the water supply pipeline is communicated, external water enters the secondary water supply equipment through the water supply pipeline, and when the water level information reaches the preset water level, the controller controls the electromagnetic valve to be closed, and the water supply pipeline is closed;
the timing module is used for realizing the purpose of timing control, and the timing module acquires water level information in the secondary water supply equipment at intervals of preset time and transmits the water level information in the secondary water supply equipment to the controller;
the controller is used for comparing the water level information in the secondary water supply equipment with a preset water level; when water level information is lower than the preset water level, the controller control electromagnetic valve is opened, the water feeding pipeline is communicated, external water enters the secondary water supply equipment through the water feeding pipeline, and when the water level information reaches the preset water level, the controller control electromagnetic valve is closed, and the water feeding pipeline is closed.
3. The remote automatic secondary water supply monitoring system according to claim 1, wherein in the second step, the image verification unit receives real-time face image information and compares the real-time face image information with preset face image information stored in the database; the method comprises the following steps:
s21: marking preset face image information stored in a database as Q;
s22: marking the nose tip of the human face in the preset human face image information Q as a point A, and respectively marking two outer canthi of the human face as a point B and a point C;
s23: connecting the point A with the point B to obtain a line segment L1, connecting the point B with the point C to obtain a line segment L2, and connecting the point A with the point C to obtain a line segment L3;
s24: marking a triangle formed by the line segment L1, the line segment L2 and the line segment L3 as K, making a vertical line segment perpendicular to the line segment L2 by using the endpoint of the point A, and marking the vertical line segment as L4;
s25: by (L2 × L4)/2 = D1 Triangle The preset contrast ratio D1 can be obtained Triangular shape ；
S26: the real-time face image information is processed through the steps S22 to S25, so that the real-time contrast ratio D2 can be obtained Triangular shape ；
S27: calculating a preset contrast coefficient D1 Triangle Real-time contrast coefficient D2 Triangular shape Difference D of Difference (D) If D is Difference (D) If the comparison difference value is less than the preset comparison difference value, generating face comparison passing information, and if the comparison difference value is D Difference (D) If the comparison difference value is larger than or equal to the preset comparison difference value, the face comparison failing information is generated.
4. The remote automatic secondary water supply monitoring system according to claim 1, wherein a pressure sensor is further installed in the water outlet pipe, the pressure sensor is used for monitoring water pressure information in the water outlet pipe in real time and sending the water pressure information to the controller, and the controller controls the rotating speed of the high-pressure water pump by changing the frequency of the output power supply according to the feedback of the water pressure information, so that the water pressure information in the water outlet pipe is kept constant; the controller is used for controlling the alarm module to give an alarm when the water pressure information exceeds a preset water pressure threshold value and reaches preset time;
the illumination sensor is used for monitoring illumination information outside the secondary water supply equipment in real time and transmitting the illumination information to the controller; the controller transmits an illumination signal to the illumination module when the illumination information is lower than a preset range, and the illumination module automatically turns on illumination when receiving the illumination signal transmitted by the controller; the auxiliary video acquisition module is used for acquiring peripheral video information of the secondary water supply equipment in real time.
5. The remote automatic monitoring system for secondary water supply according to claim 1, wherein the water supply information comprises temperature information, water flow information, illumination information, water pressure information and water level information; the video acquisition module is arranged at the top of the shell of the secondary water supply equipment, is in communication connection with the controller and is used for acquiring peripheral video information of the secondary water supply equipment.
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