CN110467077B - Elevator information service system based on Internet of things - Google Patents
Elevator information service system based on Internet of things Download PDFInfo
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- CN110467077B CN110467077B CN201910594286.3A CN201910594286A CN110467077B CN 110467077 B CN110467077 B CN 110467077B CN 201910594286 A CN201910594286 A CN 201910594286A CN 110467077 B CN110467077 B CN 110467077B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
- B66B3/002—Indicators
- B66B3/008—Displaying information not related to the elevator, e.g. weather, publicity, internet or TV
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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Abstract
The invention provides an elevator information service system based on the Internet of things, which comprises: the video acquisition module is used for acquiring video information in the elevator car in real time and transmitting the video information to the background server; the environment monitoring module is used for monitoring the current environment of the elevator car and transmitting the current environment information to the background server; the signal acquisition module is used for acquiring the operation data of the elevator in real time and transmitting the operation data to the background server; and the background server is used for storing the elevator data analysis library, intelligently judging whether the elevator has an operation fault or not according to the received video information acquired by the video acquisition module, the current environment information monitored by the environment monitoring module and the operation data acquired by the signal acquisition module, and sending a maintenance processing instruction when the elevator has the operation fault. The system provided by the invention improves the maintenance efficiency, reduces the maintenance cost, has good system compatibility, and improves the safety and reliability of the elevator.
Description
Technical Field
The invention relates to the technical field of Internet of things, in particular to an elevator information service system based on the Internet of things.
Background
With the increasing of the elevator holding capacity in China, how to safely and reliably operate the elevator after the elevator is qualified in installation and acceptance becomes the primary problem of elevator management. At present, the elevator maintenance management status in China is that maintenance is carried out on site by a maintenance unit on the basis of arranging a professional worker, the inspection work of an elevator is jointly responsible for the use unit and the maintenance unit of the elevator, but the maintenance unit cannot stay in a certain place for a long time due to the limitation of objective conditions, and for the elevator use place where the maintenance unit is absent, the manager of the elevator use unit generally carries out daily inspection, but the operation hidden danger of the elevator cannot be found in time due to the fact that professional knowledge of the elevator safety and operation is generally lack of sufficient grasp, and the maintenance worker is informed when a fault occurs, so that the emergency response time is inevitably prolonged, and huge damage to elevator passengers and equipment is easily caused.
In addition, even professional maintenance personnel cannot grasp the 24-hour running state of the elevator in real time, the monitoring of the state of the elevator is very difficult under the condition that the elevator is not stopped, the maintenance efficiency is low, and the maintenance cost is high.
Disclosure of Invention
The invention provides an elevator information service system based on the Internet of things, which is used for solving the problems.
The invention provides an elevator information service system based on the Internet of things, which comprises:
the video acquisition module is used for acquiring video information in the elevator car in real time and transmitting the video information to the background server;
the environment monitoring module is used for monitoring the current environment of the elevator car and transmitting the current environment information to the background server, wherein the current environment information comprises: the current temperature value of the elevator car, the current humidity value of the elevator car and the current noise value of the elevator car;
the signal acquisition module is used for acquiring the operation data of the elevator in real time and transmitting the operation data to the background server;
and the background server is used for storing the elevator data analysis library, intelligently judging whether the elevator has an operation fault or not according to the received video information acquired by the video acquisition module, the current environment information monitored by the environment monitoring module and the operation data acquired by the signal acquisition module, and sending a maintenance processing instruction when the elevator has the operation fault.
In one embodiment of the present invention, the video capture module includes a video capture unit and a video processing unit; the video acquisition unit is arranged on the inner top surface of the car and transmits the acquired video images to the video processing unit after acquiring the video images in the car; the video processing unit processes the video image by adopting an embedded operating system platform and transmits the processed video image to the background server.
In one embodiment of the invention, the video acquisition units are a plurality of video acquisition devices provided with operating software, the video acquisition devices are arranged on the inner top surface of the elevator car and comprise a camera module and a control circuit, and the camera module is electrically connected with the control circuit.
In one embodiment of the invention, the environment monitoring module comprises: the device comprises a temperature sensor, a humidity sensor, a sound sensor and a signal processor, wherein the temperature sensor, the humidity sensor and the sound sensor are all electrically connected with the signal processor;
the temperature sensor transmits the acquired temperature data to the signal processor, the humidity sensor transmits the acquired humidity data to the signal processor, and the sound sensor transmits the acquired sound data to the signal processor; and the signal processor processes the temperature data, the humidity data and the sound and then transmits the processed data to the background server.
In one embodiment of the present invention, the signal acquisition module includes:
the control signal acquisition unit is used for acquiring control signals of elevator operation, and the control signals comprise elevator door control signals and elevator operation control signals;
the circuit signal acquisition unit is used for acquiring circuit signals of elevator operation, and the circuit signals comprise one or more of control circuit signals, operation circuit signals, monitoring circuit signals, maintenance circuit signals and alarm circuit signals;
and the emergency signal acquisition unit is used for acquiring emergency signals of the running of the elevator, and the emergency signals comprise fault signals and emergency signals.
In one embodiment of the present invention, the background server includes: an internal database and a data analysis unit; the internal database is used for storing an elevator data analysis library; the data analysis unit is used for analyzing and comparing the received video information acquired by the video acquisition module, the current environment information monitored by the environment monitoring module and the operation data acquired by the signal acquisition module with an elevator data analysis library stored in the internal database, outputting a fault signal when the comparison result is consistent, and sending maintenance processing information to the maintenance processing module.
In an embodiment of the present invention, the backend server is further configured to send a maintenance processing instruction to the maintenance management module; and the maintenance management module is used for acquiring corresponding maintenance processing information according to the maintenance processing instruction transmitted by the background server and pushing the maintenance processing information to the corresponding mobile terminal for displaying.
In an embodiment of the present invention, the background server is further configured to send an information broadcast instruction to the information broadcast module; the information broadcasting module is used for executing corresponding broadcasting operation according to the broadcasting instruction transmitted by the background server; the information broadcasting operation comprises one or more of property information broadcasting, advertisement information broadcasting, news information broadcasting and fault information broadcasting.
In an embodiment of the present invention, the background server is further configured to intelligently determine whether an elevator has an operation failure and a location where the failure occurs, and then control the background server to send a corresponding maintenance processing instruction, where the intelligent determination specifically includes the following steps:
step S1001, if a fault database exists in the intelligent judgment, P pieces of data exist in the fault database, each piece of data contains N index values which can be monitored by the corresponding environment monitoring modules in different operation faults, the N index values of the P pieces of data form a fault matrix X, the matrix X contains P rows and N columns, whether the corresponding operation fault occurs in each piece of data or not, and a state vector Y1 formed by the fault part removes repeated values from the state vector Y1 to form a vector Y, the vector Y contains D1 values, and D1 is less than or equal to P;
step S1002: performing context learning on the fault matrix X by using a formula (1);
W11＝rand(N,D1),W12＝rand(N)
wherein, W11 ═ rand (N, D1) is to generate an N row D1 column random matrix W11, W12 ═ rand (N) is to generate a N element random vector W12 with value of 0 to 1, W1 is to normalize matrix W11, W2 is to normalize vector W12, sum is sum, f (X is X)i) Is made by XiSolving for the resulting context learning vector, XiIs the value of the ith row of matrix X, W2eTo solve for each element in the vector W2 to the power e, e is a natural constant,
to be a vector
All the elements in (1) are compared with 0, and the value is large, i is 1, 2, 3 … … P;
step S1003: construction of a construct relating to f (X)i) Accumulating an error quantity function;
wherein SS is a function of accumulated error amount, j ≠ YiTo remove the Y-th from the j orientation amount YiAll values remaining from one value, YiPosition in the middle of vector Y for a value equal to the ith value of vector Y1, f (X)i)jIs a vector f (X)i) The value of (a) of (b),
is a vector f (X)i) Y of (A)iValue, W2tIs the value of the t-th element of vector W2, W1t,sThe value of the t-th row S column of the matrix W1, max () is the maximum value in parentheses, i is 1, 2, 3 … … P, t is 1, 2, 3 … … N, S is 1, 2, 3 … … D1;
step S1003: performing two partial derivatives on the matrix W1 and the vector W2 to obtain matrices L11 and L21 and vectors L21 and L22;
wherein, W1i,tIs the value of the ith row t column of the matrix W1, W2iAs the ith value of vector W2, L11i,tIs the value of the ith row and t column of the matrix L11, L21i,tIs the value of the ith row t column of the matrix L21, L12iAs the ith value of vector L12, L22iIs the ith value of vector 22, i 1, 2, 3 … … N, t 1, 2, 3 … … D1;
the function in parentheses of the numerator is used for carrying out partial derivation on the value in parentheses of the denominator;
step S1004: reconstructing W1 and W2 by using formula (4);
step S1005, repeating step S1004 and step S1005 ten thousand times;
step S1006, obtaining the values of the N indexes monitored by the environment monitoring module to form a vector A, and substituting the vector A into a formula (5)
Wherein rt is the obtained vector of the determination result, and rt is (rt ═ rt)1,rt2,rt3…rtv…rtD1) If the maximum value is rtvAnd if the value of the V-th element corresponding to the vector Y is the current operation fault or not corresponding to the current environment obtained by intelligent judgment, and the fault part, and then controlling the background server to send out a corresponding maintenance processing instruction.
In one embodiment of the present invention, the control circuit in the video capture module comprises: a first operational amplifier a1, a second operational amplifier a2, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a first triode S1, a second triode S2, a third triode S3, a fourth triode S4, a fifth triode S5, a sixth triode S6, a first capacitor C1, a second capacitor C2, a third capacitor C3, a first diode D1 and a second diode D2;
wherein, one end of the first resistor R1 is connected to the non-inverting input terminal of the first operational amplifier a1, the other end is connected to the non-inverting input terminal of the second operational amplifier, one end of the first capacitor C1 is connected to one end of the first resistor R1 and the non-inverting input terminal of the first operational amplifier a1, the other end is grounded, one end of the second resistor R2 is connected to the inverting input terminal of the second operational amplifier a2, the other end is connected to the output terminal of the second operational amplifier a2, one end of the third resistor R3 is connected to one end of the first operational amplifier a1, the other end is connected to the output terminal of the first operational amplifier a1, one end of the fourth resistor R4 is connected to the third resistor R3 and the inverting input terminal of the first operational amplifier a1, the other end is grounded, the collector of the first triode S1 is connected to the output terminal of the second operational amplifier A8, the emitter is connected to one end of the sixth resistor R6, the base is connected to the emitter 68642 of the second triode S2, the base of the first operational amplifier A1, one end of a third resistor R3, one end of a second capacitor C2 and the collector of a third triode S3 are connected, the emitter of the third triode S3 is connected with the anode of a third capacitor C3 and the anode of a first diode D1, the cathode of the third capacitor C3 and the cathode of the first diode D1 are grounded, the base of a third triode S3 is connected with the other end of the second capacitor C2 and one end of a fifth resistor R5, the other end of the fifth resistor R5 is connected with the base of a fifth triode S5, the other end of a sixth resistor R6 is connected with the base of a fourth triode S4 and one end of a seventh resistor R7, the emitter of the fifth triode is connected with one end of a tenth resistor R10 and the anode of a second diode D2, the other end of a tenth resistor R10 is connected with one end of an eleventh resistor R11, one end of a ninth resistor R9 and one end of an output terminal 7, and the other end of an eleventh resistor R11 is connected with the seventh resistor R7, One end of an eighth resistor R8 and a base of the sixth triode S6, the other end of the eighth resistor R8 is connected with an emitter of the fourth triode S4, the other end of the ninth resistor R9 is connected with an emitter of the sixth triode S6, and a collector of the fourth triode S4, a collector of the fifth triode S5, a collector of the sixth triode S6 and a cathode of the second diode D2 are all connected with a positive electrode of a power supply.
Some of the benefits of the present invention may include:
the system provided by the invention can be used for carrying out early warning on the maintenance condition of the elevator and sending out early warning prompt after real-time data acquisition and data analysis are carried out for a maintenance unit; meet elevator trouble and can push in real time, reach the maintenance personnel at once, provide accurate elevator maintenance demand, avoid elevator to overhaul omission and negligence of maintenance, to situations such as elevator overdue undetected, overdue maintenance in time discover and handle, provide very big facility to the use of maintenance unit and user, improve the security and the reliability of elevator. The maintenance personnel can complete the accumulation of the maintenance elevator data of each project, lay a foundation for establishing a scientific and effective management mode, carry out standardized management and supervision on the elevator maintenance personnel, and greatly improve the maintenance efficiency and reduce the maintenance cost; the accurate, fair and fair supervision and evaluation of the maintenance operation can be provided for the maintenance operation record in the system of the use unit or the property unit.
The system provided by the invention reduces the working intensity of the existing manual operation, improves the working efficiency and reduces the labor cost; a user interface can be opened according to the requirements of the user, so that the real-time communication and evaluation of the user are realized; utilize the information to report the module and can carry out the instant propelling movement of property information (owner's notice, information such as power failure of cutting off the water) with the selection, pass through the remote pacify of surveillance center, customer end, car during the trouble, function such as real-time propelling movement news report, the function is various, and application scope is wide.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of an elevator information service system based on the internet of things in an embodiment of the invention;
fig. 2 is a schematic diagram of a control circuit of a video acquisition module in an elevator information service system based on the internet of things in the embodiment of the invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Fig. 1 is a schematic structural diagram of an elevator information service system based on the internet of things in the embodiment of the invention. As shown in fig. 1, the elevator information service system based on the internet of things provided by the invention comprises:
the video acquisition module is used for acquiring video information in the elevator car in real time and transmitting the video information to the background server;
the environment monitoring module is used for monitoring the current environment of the elevator car and transmitting the current environment information to the background server, wherein the current environment information comprises: the current temperature value of the elevator car, the current humidity value of the elevator car and the current noise value of the elevator car;
the signal acquisition module is used for acquiring the operation data of the elevator in real time and transmitting the operation data to the background server;
and the background server is used for storing the elevator data analysis library, intelligently judging whether the elevator has an operation fault or not according to the received video information acquired by the video acquisition module, the current environment information monitored by the environment monitoring module and the operation data acquired by the signal acquisition module, and sending a maintenance processing instruction when the elevator has the operation fault.
Specifically, the existing elevator maintenance system has single function, low maintenance efficiency and high maintenance cost, and brings great inconvenience to maintenance units and users. In order to solve the problem, the embodiment of the application acquires video information in the elevator car in real time through the video acquisition module, transmits the video information to the background server, monitors the current environment of the elevator car through the environment monitoring module, and transmits the current environment information to the background server, wherein the current environment information comprises: the method comprises the steps of acquiring the current temperature value of an elevator car, the current humidity value of the elevator car, the current noise value of the elevator car, and the running data of the elevator in real time through a signal acquisition module, and transmitting the running data to a background server; the three elevator data are uniformly sent to a background server, the background server judges whether the elevator has an operation fault according to the received video information acquired by a video acquisition module, the current environment information monitored by an environment monitoring module and the operation data acquired by a signal acquisition module according to an elevator data analysis library stored by the background server, and sends a maintenance processing instruction when the elevator has the operation fault. The elevator monitoring system has the advantages that the running condition of the elevator is monitored in real time and dynamically tracked, the running state of the elevator within 24 hours is mastered in real time, the state of the elevator is monitored under the condition that the elevator is not stopped, the maintenance efficiency is improved, the maintenance cost is reduced, the system compatibility is good, great convenience is provided for the use of maintenance units and users, and the safety and the reliability of the elevator are improved.
In a specific embodiment, the video capture module comprises a video capture unit and a video processing unit; the video acquisition unit is arranged on the inner top surface of the car and transmits the acquired video images to the video processing unit after acquiring the video images in the car; the video processing unit processes the video image by adopting an embedded operating system platform and transmits the processed video image to the background server.
Specifically, the video acquisition module includes video acquisition unit and video processing unit, the video acquisition unit passes through video processing unit with the car video image of gathering and sends the backstage server after handling, data such as registration identity information of signal received can all be earlier sent to the backstage server when video acquisition unit starts at every turn, tell the backstage server which video acquisition unit when specific, the video of gathering, after the backstage server receives registration identity information, with this video acquisition unit record for effectively looking over video data equipment, this is that the user alright sends through mobile terminal and looks over the video command, realize the behavior of real time monitoring elevator.
When the mobile terminal needs to check video data in a certain elevator, sending a request for checking the real-time video of the elevator to a background server, wherein the request comprises information such as the number of pictures, frame rate, resolution, key frame interval and the like of video signals needing to be checked at the same time, and the background checks whether equipment which requires to check the video is registered successfully or not, and if the equipment is not registered successfully, the equipment directly returns failure; and if the registration is successful, forwarding a request for checking the real-time video to the registered video acquisition unit, starting to acquire video data after the video acquisition unit receives the request, performing processing such as encoding and compression, performing multi-picture processing according to the picture number information, and then sending the video data to a background server through a wireless network or a wired network. And the background server processes the received video data and then sends the processed video data to the mobile terminal, the mobile terminal displays the received data visually, and the whole working process is finished.
The video data acquired by the video acquisition module is subjected to multi-picture processing at the beginning of transmission, the data subjected to multi-picture processing is obviously smaller than the bandwidth occupied by simultaneously transmitting multiple paths of video data, the problem of video data transmission in a limited bandwidth wireless or limited network is solved invisibly, the utilization rate of the bandwidth is improved, the requirement on the network bandwidth between a background server and a mobile terminal is reduced, and the market application prospect is better.
In a specific embodiment, the video acquisition units are a plurality of video acquisition devices provided with operating software, the video acquisition devices are arranged on the inner top surface of the elevator car and comprise a camera module and a control circuit, and the camera module is electrically connected with the control circuit;
the control circuit includes: a first operational amplifier a1, a second operational amplifier a2, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a first triode S1, a second triode S2, a third triode S3, a fourth triode S4, a fifth triode S5, a sixth triode S6, a first capacitor C1, a second capacitor C2, a third capacitor C3, a first diode D1 and a second diode D2;
wherein, one end of the first resistor R1 is connected to the non-inverting input terminal of the first operational amplifier a1, the other end is connected to the non-inverting input terminal of the second operational amplifier, one end of the first capacitor C1 is connected to one end of the first resistor R1 and the non-inverting input terminal of the first operational amplifier a1, the other end is grounded, one end of the second resistor R2 is connected to the inverting input terminal of the second operational amplifier a2, the other end is connected to the output terminal of the second operational amplifier a2, one end of the third resistor R3 is connected to one end of the first operational amplifier a1, the other end is connected to the output terminal of the first operational amplifier a1, one end of the fourth resistor R4 is connected to the third resistor R3 and the inverting input terminal of the first operational amplifier a1, the other end is grounded, the collector of the first triode S1 is connected to the output terminal of the second operational amplifier A8, the emitter is connected to one end of the sixth resistor R6, the base is connected to the emitter 68642 of the second triode S2, the base of the first operational amplifier A1, one end of a third resistor R3, one end of a second capacitor C2 and the collector of a third triode S3 are connected, the emitter of the third triode S3 is connected with the anode of a third capacitor C3 and the anode of a first diode D1, the cathode of the third capacitor C3 and the cathode of the first diode D1 are grounded, the base of a third triode S3 is connected with the other end of the second capacitor C2 and one end of a fifth resistor R5, the other end of the fifth resistor R5 is connected with the base of a fifth triode S5, the other end of a sixth resistor R6 is connected with the base of a fourth triode S4 and one end of a seventh resistor R7, the emitter of the fifth triode is connected with one end of a tenth resistor R10 and the anode of a second diode D2, the other end of a tenth resistor R10 is connected with one end of an eleventh resistor R11, one end of a ninth resistor R9 and one end of an output terminal 7, and the other end of an eleventh resistor R11 is connected with the seventh resistor R7, One end of an eighth resistor R8 and a base of the sixth triode S6, the other end of the eighth resistor R8 is connected with an emitter of the fourth triode S4, the other end of the ninth resistor R9 is connected with an emitter of the sixth triode S6, and a collector of the fourth triode S4, a collector of the fifth triode S5, a collector of the sixth triode S6 and a cathode of the second diode D2 are all connected with a positive electrode of a power supply.
The video acquisition unit further comprises a plurality of video acquisition devices provided with operation software, the video acquisition devices are arranged on the inner top surface of the elevator car and comprise a camera module and a control circuit, and the camera module is electrically connected with the control circuit; the camera module may be a monitoring device commonly used in CCD cameras, video cameras, and the like, and particularly, when the camera module is used, the video acquisition condition of the camera module needs to be controlled by a control circuit, as shown in fig. 2, the control circuit includes a first operational amplifier a1, a second operational amplifier a2, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a first triode S1, a second triode S2, a third triode S3, a fourth triode S4, a fifth triode S5, a sixth triode S6, a first capacitor C1, a second capacitor C2, a third capacitor C67 3, a first diode D1, and a second diode D2. The elevator which needs to be checked can be quickly and accurately positioned through the control circuit, the video signal is collected, the maintenance efficiency is improved, the maintenance cost is reduced, the system compatibility is good, great convenience is provided for maintenance units and users, and the safety and the reliability of the elevator are improved.
In one particular embodiment, the environmental monitoring module includes: the device comprises a temperature sensor, a humidity sensor, a sound sensor and a signal processor, wherein the temperature sensor, the humidity sensor and the sound sensor are all electrically connected with the signal processor;
the temperature sensor transmits the acquired temperature data to the signal processor, the humidity sensor transmits the acquired humidity data to the signal processor, and the sound sensor transmits the acquired sound data to the signal processor; and the signal processor processes the temperature data, the humidity data and the sound and then transmits the processed data to the background server.
Specifically, environment monitoring module can carry out real-time supervision to the environmental data in the elevator, through the temperature condition in the temperature sensor monitoring elevator, through the humidity condition in the humidity sensor monitoring elevator, sound transducer discerns the interior sound condition of elevator, the temperature data of above-mentioned temperature sensor monitoring, the humidity data of humidity sensor monitoring, and the sound data of sound sensor monitoring all pass through signal processor and handle the back and convey to backstage server, initiate by the user and acquire and read after the operation, and is easy and simple to handle, the efficiency is protected in the improvement dimension, the dimension is protected and the cost is protected has been reduced, has fine system compatibility, use maintenance unit and user provides very big facility, the security and the reliability of elevator improve.
In a specific embodiment, the signal acquisition module comprises:
the control signal acquisition unit is used for acquiring control signals of elevator operation, and the control signals comprise elevator door control signals and elevator operation control signals;
the circuit signal acquisition unit is used for acquiring circuit signals of elevator operation, and the circuit signals comprise one or more of control circuit signals, operation circuit signals, monitoring circuit signals, maintenance circuit signals and alarm circuit signals;
and the emergency signal acquisition unit is used for acquiring emergency signals of the running of the elevator, and the emergency signals comprise fault signals and emergency signals.
Specifically, the signal acquisition module can gather the operational data of elevator, including control signal acquisition unit is used for gathering the switch door operational data of elevator, up-down operation data etc, circuit signal acquisition unit is used for gathering the operation circuit of elevator, control circuit, the monitoring circuit, overhaul circuit and warning circuit etc, emergency signal acquisition unit, fault signal or emergency signal etc. for gathering the elevator, signal acquisition module can convey these data to backend server after gathering above-mentioned data, read through mobile terminal by the user, the simple operation, the efficiency of maintenance is improved, the cost of maintenance is reduced, good system compatibility has, great convenience is provided to maintenance unit and user's use, the security and the reliability of elevator improve.
In a specific embodiment, the background server includes: an internal database and a data analysis unit; the internal database is used for storing an elevator data analysis library; the data analysis unit is used for analyzing and comparing the received video information acquired by the video acquisition module, the current environment information monitored by the environment monitoring module and the operation data acquired by the signal acquisition module with an elevator data analysis library stored in the internal database, outputting a fault signal when the comparison result is consistent, and sending maintenance processing information to the maintenance processing module.
Specifically, the background server includes: an internal database and a data analysis unit; the data analysis unit judges whether the elevator has an operation fault according to the received video information acquired by the video acquisition module, the current environment information monitored by the environment monitoring module and the operation data acquired by the signal acquisition module, and sends a maintenance processing instruction to the maintenance management module when the elevator has the operation fault; when the elevator is judged specifically, the data analysis unit can compare the internal database with the operation data, when the elevator has operation faults or other faults, the background server can send maintenance processing instructions to the maintenance management module, the maintenance management module immediately pushes fault information to the mobile terminal for a user to check, and the user can receive the information at the first time and perform response fault processing operation. The background server and the maintenance management module are utilized to realize real-time and dynamic tracking and monitoring, the elevator does not need to be stopped, the elevator is prevented from being influenced by a user, the working intensity of the existing manual operation is reduced, the working efficiency is improved, the labor cost is reduced, the user interface can be opened according to the user requirement, and the real-time communication and evaluation of the user are realized.
In a specific embodiment, the background server is further configured to send a maintenance processing instruction to the maintenance management module; and the maintenance management module is used for acquiring corresponding maintenance processing information according to the maintenance processing instruction transmitted by the background server and pushing the maintenance processing information to the corresponding mobile terminal for displaying.
Specifically, when the background server judges that the elevator has an operation fault or other faults, a maintenance processing instruction is sent to the maintenance management module to obtain corresponding maintenance processing information, the maintenance processing information is pushed to the mobile terminal in real time for a user to check, and the user receives the information at the first time and performs corresponding fault processing operation. The background server and the maintenance management module are utilized to realize real-time and dynamic tracking and monitoring, the elevator does not need to be stopped, the elevator is prevented from being influenced by a user, the working intensity of the existing manual operation is reduced, the working efficiency is improved, the labor cost is reduced, the user interface can be opened according to the user requirement, and the real-time communication and evaluation of the user are realized.
In a specific embodiment, the background server is further configured to send an information broadcast instruction to the information broadcast module; the information broadcasting module is used for executing corresponding broadcasting operation according to the broadcasting instruction transmitted by the background server; the information broadcasting operation comprises one or more of property information broadcasting, advertisement information broadcasting, news information broadcasting and fault information broadcasting.
Specifically, the information broadcasting module is used for executing corresponding broadcasting operation according to the broadcasting instruction transmitted by the background server. The backstage server accessible information report module publishes some notices, broadcasts etc. and the user passes through the remote pacify of surveillance center, mobile terminal, car when carrying out the instant propelling movement of property information (owner's notice, information such as power failure of cutting off the water supply), trouble through the selection, real-time propelling movement news report etc. and the function is more various, and application scope is wider.
In a specific embodiment, the background server is further configured to intelligently determine whether an elevator has an operation fault and a location where the fault occurs, and then control the background server to send a corresponding maintenance processing instruction, where the intelligent determination specifically includes the following steps:
step S1001, if a fault database exists in the intelligent judgment, P pieces of data exist in the fault database, each piece of data contains N index values which can be monitored by the corresponding environment monitoring modules in different operation faults, the N index values of the P pieces of data form a fault matrix X, the matrix X contains P rows and N columns, whether the corresponding operation fault occurs in each piece of data or not, and a state vector Y1 formed by the fault part removes repeated values from the state vector Y1 to form a vector Y, the vector Y contains D1 values, and D1 is less than or equal to P;
step S1002: performing context learning on the fault matrix X by using a formula (1);
W11＝rand(N,D1),W12＝rand(N)
wherein, W11 ═ rand (N, D1) is to generate an N row D1 column random matrix W11, W12 ═ rand (N) is to generate a N element random vector W12 with value of 0 to 1, W1 is to normalize matrix W11, W2 is to normalize vector W12, sum is sum, f (X is X)i) Is made by XiSolving for the resulting context learning vector, XiIs the value of the ith row of matrix X, W2eTo solve for each element in the vector W2 to the power e, e is a natural constant,
to be a vector
All the elements in (1) are compared with 0, and the value is large, i is 1, 2, 3 … … P;
step S1003: construction of a construct relating to f (X)i) Accumulating an error quantity function;
wherein SS is a function of accumulated error amount, j ≠ YiTo remove the Y-th from the j orientation amount YiAll values remaining from one value, YiPosition in the middle of vector Y for a value equal to the ith value of vector Y1, f (X)i)jIs a vector f (X)i) The value of (a) of (b),
is a vector f (X)i) Y of (A)iValue, W2tIs the value of the t-th element of vector W2, W1t,sThe value of the t-th row S column of the matrix W1, max () is the maximum value in parentheses, i is 1, 2, 3 … … P, t is 1, 2, 3 … … N, S is 1, 2, 3 … … D1;
wherein, pair f (X)i)jAnd
for example, when i is 8, if the 8 th record in the fault database corresponds to the elevator having a fault, the fault location is B, the elevator has a fault in the vector Y, and the fault location is B, which is the 3 rd value of the vector Y, f (X) is determined as f (Xi)jIs a vector f (X)i) All other values remaining in addition to the 3 rd value,
is a vector f (X)i) The 3 rd value of (d);
step S1003: performing two partial derivatives on the matrix W1 and the vector W2 to obtain matrices L11 and L21 and vectors L21 and L22;
wherein, W1i,tIs the value of the ith row t column of the matrix W1, W2iAs the ith value of vector W2, L11i,tIs the value of the ith row and t column of the matrix L11, L21i,tIs the value of the ith row t column of the matrix L21, L12iAs the ith value of vector L12, L22iIs the ith value of vector 22, i 1, 2, 3 … … N, t 1, 2, 3 … … D1;
the function in parentheses of the numerator is used for carrying out partial derivation on the value in parentheses of the denominator;
step S1004: reconstructing W1 and W2 by using formula (4);
step S1005, repeating step S1004 and step S1005 ten thousand times;
step S1006, obtaining the values of the N indexes monitored by the environment monitoring module to form a vector A, and substituting the vector A into a formula (5)
Wherein rt is the obtained vector of the determination result, and rt is (rt ═ rt)1,rt2,rt3…rtv…rtD1) If the maximum value is rtvAnd if the value of the V-th element corresponding to the vector Y is the current operation fault or not corresponding to the current environment obtained by intelligent judgment, and the fault part, and then controlling the background server to send out a corresponding maintenance processing instruction.
By utilizing the technology, whether the elevator has an operation fault and the fault position can be determined through a series of intelligent calculations, the intelligent accuracy is higher and higher through continuous reconstruction of W1 and W2 in the process, in the reconstruction process, the adjustment can obtain an optimal value faster according to different concave-convex properties of W1 and W2 at different positions and different adjustment values of each time when reconstructing W1 and W2 according to the formula (3) and the formula (4), so that the judgment is more efficient, and the quality and the number of the fault database can be increased continuously by utilizing the technology, so that the judgment accuracy is improved continuously.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. An elevator information service system based on the Internet of things is characterized by comprising:
the video acquisition module is used for acquiring video information in the elevator car in real time and transmitting the video information to the background server;
the environment monitoring module is used for monitoring the current environment of the elevator car and transmitting the current environment information to the background server, wherein the current environment information comprises: the current temperature value of the elevator car, the current humidity value of the elevator car and the current noise value of the elevator car;
the signal acquisition module is used for acquiring the operation data of the elevator in real time and transmitting the operation data to the background server;
the background server is used for storing the elevator data analysis library, intelligently judging whether the elevator has an operation fault or not according to the received video information acquired by the video acquisition module, the current environment information monitored by the environment monitoring module and the operation data acquired by the signal acquisition module, and sending a maintenance processing instruction when the elevator has the operation fault;
the background server is also used for intelligently judging whether the elevator has operation faults or not and the position where the faults occur, and then controlling the background server to send out corresponding maintenance processing instructions, wherein the intelligent judgment comprises the following specific steps:
step S1001: if a fault database exists in the intelligent judgment, P pieces of data exist in the fault database, each piece of data contains values of N indexes which can be monitored by the corresponding environment monitoring module during different operation faults, the values of the N indexes of the P pieces of data form a fault matrix X, the matrix X contains P rows and N columns, whether an operation fault occurs corresponding to each piece of data or not, and a state vector Y1 formed at a fault position removes a repeated value from the state vector Y1 to form a vector Y, the vector Y contains D1 values, and the D1 is less than or equal to P;
step S1002: performing context learning on the fault matrix X by using a formula (1);
W11＝rand(N,D1),W12＝rand(N)
wherein, W11 ═ rand (N, D1) is to generate an N row D1 column random matrix W11, W12 ═ rand (N) is to generate a N element random vector W12 with value of 0 to 1, W1 is to normalize matrix W11, W2 is to normalize vector W12, sum is sum, f (X is X)i) Is made by XiSolving for the resulting context learning vector, XiIs the value of the ith row of matrix X, W2eTo solve for each element in the vector W2 to the power e, e is a natural constant,
to be a vector
All the elements in (1) are compared with 0, and the value is large, i is 1, 2, 3 … … P;
step S1003: construction of a construct relating to f (X)i) Accumulating an error quantity function;
wherein SS is a function of accumulated error amount, j ≠ YiTo remove the Y-th from the j orientation amount YiAll values remaining from one value, YiPosition in the middle of vector Y for a value equal to the ith value of vector Y1, f (X)i)jIs a vector f (X)i) J (th) value of f (X)i)YiIs a vector f (X)i) Y of (A)iValue, W2tIs the value of the t-th element of vector W2, W1t,sMax () is the maximum value in parentheses for the value of the t-th row S column of the matrix W1, i is 1, 2, 3 … … P, and t is 1, 2, 3 … …N,S＝1、2、3……D1；
Step S1004: performing two partial derivatives on the matrix W1 and the vector W2 to obtain matrices L11 and L21 and vectors L21 and L22;
wherein, W1i,tIs the value of the ith row t column of the matrix W1, W2iAs the ith value of vector W2, L11i,tIs the value of the ith row and t column of the matrix L11, L21i,tIs the value of the ith row t column of the matrix L21, L12iAs the ith value of vector L12, L22iIs the ith value of vector 22, i 1, 2, 3 … … N, t 1, 2, 3 … … D1;
the function in parentheses of the numerator is used for carrying out partial derivation on the value in parentheses of the denominator;
step S1005: reconstructing W1 and W2 by using formula (4);
step S1006: repeating the steps S1005 and S1006 ten thousand times;
step S1007: obtaining the values of the N indexes monitored by the environment monitoring module to form a vector A, and substituting the vector A into a formula (5)
Wherein rt is the obtained vector of the determination result, and rt is (rt ═ rt)1,rt2,rt3…rtv…rtD1) If the maximum value is rtvAnd if the value of the V-th element corresponding to the vector Y is the current operation fault or not corresponding to the current environment obtained by intelligent judgment, and the fault part, and then controlling the background server to send out a corresponding maintenance processing instruction.
2. The system of claim 1, wherein the video capture module comprises a video capture unit and a video processing unit; the video acquisition unit is arranged on the inner top surface of the car and transmits the acquired video images to the video processing unit after acquiring the video images in the car; the video processing unit processes the video image by adopting an embedded operating system platform and transmits the processed video image to the background server.
3. The system of claim 2, wherein the video capturing units are a plurality of video capturing devices installed with operating software, the video capturing devices are arranged on the inner top surface of the elevator car and comprise a camera module and a control circuit, and the camera module is electrically connected with the control circuit.
4. The system of claim 1, wherein the environmental monitoring module comprises: the device comprises a temperature sensor, a humidity sensor, a sound sensor and a signal processor, wherein the temperature sensor, the humidity sensor and the sound sensor are all electrically connected with the signal processor;
the temperature sensor transmits the acquired temperature data to the signal processor, the humidity sensor transmits the acquired humidity data to the signal processor, and the sound sensor transmits the acquired sound data to the signal processor; and the signal processor processes the temperature data, the humidity data and the sound and then transmits the processed data to the background server.
5. The system of claim 1, wherein the signal acquisition module comprises:
the control signal acquisition unit is used for acquiring control signals of elevator operation, and the control signals comprise elevator door control signals and elevator operation control signals;
the circuit signal acquisition unit is used for acquiring circuit signals of elevator operation, and the circuit signals comprise one or more of control circuit signals, operation circuit signals, monitoring circuit signals, maintenance circuit signals and alarm circuit signals;
and the emergency signal acquisition unit is used for acquiring emergency signals of the running of the elevator, and the emergency signals comprise fault signals and emergency signals.
6. The system of claim 1, wherein the backend server comprises: an internal database and a data analysis unit; the internal database is used for storing an elevator data analysis library; the data analysis unit is used for analyzing and comparing the received video information acquired by the video acquisition module, the current environment information monitored by the environment monitoring module and the operation data acquired by the signal acquisition module with an elevator data analysis library stored in the internal database, outputting a fault signal when the comparison result is consistent, and sending maintenance processing information to the maintenance processing module.
7. The system according to any one of claims 1 to 6, wherein the background server is further configured to send a maintenance processing instruction to the maintenance management module; and the maintenance management module is used for acquiring corresponding maintenance processing information according to the maintenance processing instruction transmitted by the background server and pushing the maintenance processing information to the corresponding mobile terminal for displaying.
8. The system according to any one of claims 1 to 6, wherein the background server is further configured to send an information broadcast instruction to the information broadcast module; the information broadcasting module is used for executing corresponding broadcasting operation according to the broadcasting instruction transmitted by the background server; the information broadcasting operation comprises one or more of property information broadcasting, advertisement information broadcasting, news information broadcasting and fault information broadcasting.
9. The system according to any one of claims 1 to 3, wherein the control circuit in the video capture module comprises: a first operational amplifier a1, a second operational amplifier a2, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a first triode S1, a second triode S2, a third triode S3, a fourth triode S4, a fifth triode S5, a sixth triode S6, a first capacitor C1, a second capacitor C2, a third capacitor C3, a first diode D1 and a second diode D2;
wherein, one end of the first resistor R1 is connected to the non-inverting input terminal of the first operational amplifier a1, the other end is connected to the non-inverting input terminal of the second operational amplifier, one end of the first capacitor C1 is connected to one end of the first resistor R1 and the non-inverting input terminal of the first operational amplifier a1, the other end is grounded, one end of the second resistor R2 is connected to the inverting input terminal of the second operational amplifier a2, the other end is connected to the output terminal of the second operational amplifier a2, one end of the third resistor R3 is connected to one end of the first operational amplifier a1, the other end is connected to the output terminal of the first operational amplifier a1, one end of the fourth resistor R4 is connected to the third resistor R3 and the inverting input terminal of the first operational amplifier a1, the other end is grounded, the collector of the first triode S1 is connected to the output terminal of the second operational amplifier A8, the emitter is connected to one end of the sixth resistor R6, the base is connected to the emitter 68642 of the second triode S2, the base of the first operational amplifier A1, one end of a third resistor R3, one end of a second capacitor C2 and the collector of a third triode S3 are connected, the emitter of the third triode S3 is connected with the anode of a third capacitor C3 and the anode of a first diode D1, the cathode of the third capacitor C3 and the cathode of the first diode D1 are grounded, the base of a third triode S3 is connected with the other end of the second capacitor C2 and one end of a fifth resistor R5, the other end of the fifth resistor R5 is connected with the base of a fifth triode S5, the other end of a sixth resistor R6 is connected with the base of a fourth triode S4 and one end of a seventh resistor R7, the emitter of the fifth triode is connected with one end of a tenth resistor R10 and the anode of a second diode D2, the other end of a tenth resistor R10 is connected with one end of an eleventh resistor R11, one end of a ninth resistor R9 and one end of an output terminal 7, and the other end of an eleventh resistor R11 is connected with the seventh resistor R7, One end of an eighth resistor R8 and a base of the sixth triode S6, the other end of the eighth resistor R8 is connected with an emitter of the fourth triode S4, the other end of the ninth resistor R9 is connected with an emitter of the sixth triode S6, and a collector of the fourth triode S4, a collector of the fifth triode S5, a collector of the sixth triode S6 and a cathode of the second diode D2 are all connected with a positive electrode of a power supply.
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