CN112000047A - Remote intelligent monitoring system - Google Patents
Remote intelligent monitoring system Download PDFInfo
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- CN112000047A CN112000047A CN202010931225.4A CN202010931225A CN112000047A CN 112000047 A CN112000047 A CN 112000047A CN 202010931225 A CN202010931225 A CN 202010931225A CN 112000047 A CN112000047 A CN 112000047A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2612—Data acquisition interface
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- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a remote intelligent monitoring system, which particularly relates to the field of monitoring systems and comprises a control bus, wherein the control bus is respectively connected with a central processing system, a network concentrator, a monitoring controller, a remote control terminal, a power supply system and a multimedia system, the output end of the monitoring controller is in communication connection with the remote control terminal, the remote control terminal is respectively in communication connection with a network camera, a recording device, an alarm detector and an infrared auxiliary device, the output end of the power supply system is respectively connected with the monitoring controller, the multimedia system, the central processing system, the network router, the network concentrator, a storage server and a UPS power supply, and the UPS power supply and the power supply system are both in communication connection with a power switch. The invention can greatly improve the monitoring efficiency, can not cause the shutdown of the monitoring system due to power failure, and effectively improves the safety of a monitoring area.
Description
Technical Field
The invention relates to the technical field of monitoring systems, in particular to a remote intelligent monitoring system.
Background
At present, due to the severe social security situation, people pay more attention to the protection of lives and properties, and therefore, a monitoring system becomes necessary equipment. The monitoring systems are widely used in office buildings, shops, banks, airports, communities, apartments and other places, most of the monitoring systems utilize video capture equipment (such as a monitor) to capture images in a specific area, and then transmit the captured images to a monitoring host computer for recording and storing, so that managers can master the security status of the specific area. Any information system needs more or less monitoring management functions, and particularly, many information systems specially used for monitoring system resources exist. The monitoring function in the monitoring system or the information system mainly aims to monitor the state of a concerned target resource, collect resource state information and index information, analyze the health state of the resource and give an alarm for any abnormal state. The monitoring system plays an important role in guaranteeing the normal operation of the system, and the workload of operation and maintenance personnel is greatly reduced through automation and program realization, so that the operation and maintenance personnel can operate and maintain the large-scale data center by using less manpower. The monitoring software on the market is very numerous and diverse, the monitoring objects of different monitoring software are different, the monitoring force is different, the application fields are different, and the adopted implementation methods are completely different. As a cloud data center, the related resources are various in types and quantity, the resource indexes needing to be monitored are also very many, and no monitoring software in the existing market can meet all monitoring requirements of one data center. With the continuous development of the technology and the continuous development of the user demand, the resources which the user wants to be able to monitor are increased, so that a single manufacturer cannot complete a data medium-level monitoring system independently, and the future trend is that a plurality of manufacturers cooperate with each other. Therefore, how to integrate different functions and different kinds of monitoring systems of multiple manufacturers becomes a problem to be solved urgently.
However, in practical use, if a power failure occurs, the whole monitoring system will be paralyzed to create a mobile opportunity for criminal suspects to implement crimes, and property loss and even personal safety are damaged.
Disclosure of Invention
In order to overcome the above defects in the prior art, embodiments of the present invention provide a remote intelligent monitoring system, which can greatly improve monitoring efficiency, and can not cause shutdown of the monitoring system due to power failure, thereby effectively improving safety of a monitoring area, and solving the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a remote intelligent monitoring system comprises a control bus which is respectively connected with a central processing system, a network router, a monitoring controller, a remote control terminal, a power supply system and a multimedia system, the output end of the control bus is connected with the central processing system, the network router, the monitoring controller, the remote control terminal, the power supply system and the multimedia system through signals, the output end of the monitoring controller is in communication connection with a remote control terminal, the remote control terminal is respectively in communication connection with a network camera, a recording device, an alarm detector and an infrared auxiliary device, the output end of the power supply system is respectively connected with the monitoring controller, the multimedia system, the central processing system, the network router, the network concentrator, the storage server and the UPS power supply, and the UPS power supply and the power supply system are both in communication connection with the power switch.
In a preferred embodiment, the network router output is communicatively connected to a network hub, and the network hub output is communicatively connected to a control bus, a monitoring controller, a central processing system, a multimedia system, and a storage server, respectively.
In a preferred embodiment, the multimedia system receiving end is connected with the monitoring controller, and the multimedia system output end is connected with the storage server in a communication mode.
In a preferred embodiment, the multimedia system is itself provided with an encoding part and a decoding part.
In a preferred embodiment, the central processing system comprises a calculation server, a forwarding server, an access server, a central management server and a database server.
In a preferred embodiment, the power supply system is further provided with an electric leakage monitoring system, and is provided with an overvoltage protection circuit and an overcurrent protection circuit, so that electric leakage data can be monitored.
In a preferred embodiment, the infrared assistant is used for increasing the shooting capability of the network camera at night.
In a preferred embodiment, the method further comprises: the alarm module and the power supply detection module;
the central processing system is connected with the power supply detection module, the power supply system and the USP power supply;
the power detection module is used for detecting the electric quantity in the USP power supply, and meanwhile, the central processing system controls the power supply system to charge the USP power supply with insufficient electric quantity, and the specific working process comprises the following steps:
the power supply detection module is used for sampling current of the USP power supply according to a resistor with a preset value to obtain a current sample;
the central processing system is used for carrying out integral processing operation according to the current sample to obtain the used electric quantity value of the USP power supply;
the central processing system is also used for comparing the used electric quantity value of the USP power supply with the total electric quantity of the USP power supply;
if the used electric quantity value of the USP power supply is less than or equal to 20% of the total electric quantity of the USP power supply, sending a first control signal to the power supply system to control the power supply system to charge;
the power supply detection module is also used for detecting the electric quantity value of the USP power supply charged by the power supply system;
the central processing system is further used for controlling the power supply system to charge the USP power supply at a rated power and through a preset time threshold after the charged electric quantity value of the USP power supply reaches 80% of the total electric quantity;
and the central processing system is further configured to send a second control signal to the power supply system to control the power supply system to stop charging the USP power supply when the power supply system reaches the preset time threshold value.
In a preferred embodiment, the method further comprises: a voice storage system;
the central processing system is connected with the sound recording equipment and the voice storage system;
the central processing system is used for acquiring monitored voice signals according to the recording equipment, and meanwhile, processing the voice signals to acquire pure voice signals, and the specific working process comprises the following steps:
the recording equipment is used for acquiring a monitored voice signal;
the central processing system is used for performing frame windowing processing on the voice signal and calculating the frequency spectrum of the voice signal;
where f (i) represents the spectrum of the speech signal, i represents the i-th sample point of the speech signal, and i ═ 0,1,2 … N-1, N represents the total sample point of the speech signal, η represents the noise figure of the speech signal, k represents the carrier signal of speech,
representing the amplitude of the speech signal, ω representing the phase value of the speech signal;
the central processing system is further configured to obtain a frequency spectrum of a pure voice signal based on the frequency spectrum of the voice signal;
wherein Y represents the frequency spectrum of the pure speech signal, Y represents the frequency spectrum of the speech signal, α represents the adaptive coefficient of the pure speech signal, p represents the filtering frequency of the speech signal, and w represents the mean value of the gaussian components of the speech signal; μ represents a maximum attenuation reduction coefficient of the voice signal, and m represents an attenuation value of the voice signal;
meanwhile, comparing the frequency spectrum of the pure voice signal with a preset frequency spectrum segment;
if the pure voice signal conforms to the preset frequency spectrum section, controlling the voice storage system to store the voice signal;
otherwise, continuing to extract the pure voice signal.
The invention has the technical effects and advantages that:
1. compared with the prior art, by arranging a control bus, the control bus is connected with a central processing system, a network concentrator, a monitoring controller, a remote control terminal, a power supply system and a multimedia system through signals, pictures monitored by a network camera in real time and data collected by a recording device are transmitted to the remote control terminal through network signals, when a dangerous signal is detected by an alarm detector, the signals are immediately transmitted to the remote control terminal through a network, the remote control terminal transmits the signals to the monitoring controller, the monitoring controller respectively transmits the signals to the multimedia system and a storage server, the control bus is operated to obtain data, the control bus sends the data to the central processing system for operation, and the remote intelligent monitoring system greatly improves the monitoring efficiency;
2. compared with the prior art, the power supply system is also connected with the monitoring controller, the multimedia system, the central processing system, the network router, the network concentrator, the storage server and the UPS, when the power supply enters the power supply system, the control is realized by the power switch, and the power supply is transmitted to each system component to provide power for the system component to operate.
3. The USP power supply is subjected to current sampling through the power supply detection module according to the resistance with a preset value to obtain a current sample, meanwhile, the central processing system carries out integral processing operation on the current sample to obtain the used electric quantity value of the USP power supply, and comparing, by the central processing system, the amount of power used by the USP power source with the total amount of power of the USP power source, if the used electric quantity value of the USP power supply is less than or equal to 20 percent of the total electric quantity of the USP power supply, a first control signal is accurately sent to the power supply system to control the power supply system to charge, then the electric quantity value of the USP power supply charged by the power supply system is detected, when the charged electric quantity value of the USP power supply reaches 80% of the total electric quantity, the power supply system is controlled to charge the USP power supply at the rated power and through a preset time threshold, so that the damage of the device is avoided, and the practicability of the system is greatly improved.
4. The method comprises the steps of obtaining monitored voice signals through the recording equipment, carrying out framing and windowing processing on the voice signals through the central processing system, enabling a computer to calculate the frequency spectrum of the voice signals more conveniently, further accurately calculating the frequency spectrum of the pure voice signals, comparing the frequency spectrum of the pure voice signals with a preset frequency spectrum section, rapidly obtaining signals whether the frequency spectrum of the pure voice signals is the needed voice signals or not, and storing the signals.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of a power supply system according to the present invention.
Fig. 3 is a schematic structural diagram of the monitoring controller of the present invention.
Fig. 4 is a schematic diagram of a network router according to the present invention.
FIG. 5 is a control connection diagram of the CPU system of the present invention.
FIG. 6 is a diagram of a voice device control connection according to the present invention.
The reference signs are: 1. a control bus; 2. a central processing system; 3. a network router; 4. a monitoring controller; 5. a remote control terminal; 6. a power supply system; 7. a multimedia system; 8. a network camera; 9. a recording device; 10. an alarm detector; 11. an infrared aid; 12. a network hub; 13. a storage server; 14. a UPS power supply; 15. and a power switch.
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 the attached fig. 1-4, a remote intelligent monitoring system includes a control bus 1, the control bus 1 is respectively connected with a central processing system 2, a network router 3, a monitoring controller 4, a remote control terminal 5, a power system 6, and a multimedia system 7, the output end of the control bus 1 is connected with the central processing system 2, the network router 3, the monitoring controller 4, the remote control terminal 5, the power system 6, and the multimedia system 7 through signals, the output end of the monitoring controller 4 is connected with the remote control terminal 5 in a communication manner, the remote control terminal 5 is respectively connected with a network camera 8, a recording device 9, an alarm detector 10, and an infrared auxiliary device 11 in a communication manner, the output end of the power system 6 is respectively connected with the monitoring controller 4, the multimedia system 7, the central processing system 2, the network router 3, a network hub 12, a storage server 13, and a UPS power supply 14, the UPS power source 14 and the power system 6 are both communicatively coupled to a power switch 15.
Further, the output end of the network router 3 is connected with a network hub 12 in a communication way, and the output end of the network hub 12 is respectively connected with the control bus 1, the monitoring controller 4, the central processing system 2, the multimedia system 7 and the storage server 13 in a communication way.
Further, the receiving end of the multimedia system 7 is connected with the monitoring controller 4, and the output end of the multimedia system 7 is connected with the storage server 13 in a communication way.
Further, the multimedia system 7 is itself provided with an encoding part and a decoding part.
Further, the central processing system 2 includes an arithmetic server, a forwarding server, an access server, a central management server, and a database server.
Furthermore, the power supply system 6 is also provided with an electric leakage monitoring system, an overvoltage protection circuit and an overcurrent protection circuit, and can monitor electric leakage data.
Further, the infrared assistor 11 is used for increasing the shooting capability of the network camera 8 at night.
The working principle of the invention is as follows: when the invention is used, firstly, a control bus 1 is set, the control bus 1 is connected with a central processing system 2, a network concentrator 12, a monitoring controller 4, a remote control terminal 5, a power supply system 6 and a multimedia system 7 through signals, the power supply system 6 is also connected with the monitoring controller 4, the multimedia system 7, the central processing system 2, a network router 3, the network concentrator 12, a storage server 13 and a UPS power supply 14, when the power supply enters the power supply system 6, the control is realized by a power switch 15, the power supply is transmitted to each system component to provide power for the system component for operation, as the UPS power supply 14 is connected with the UPS power supply system 6, when power failure occurs, the power supply 14 is started, the power supply energy stored by the UPS power supply 14 replaces an external power supply to provide power for the power supply system 6, so as to prevent the monitoring system from causing property loss due to power failure, the rear optical fiber network enters the network router 3, the network data signal output by the network router 3 is connected to the network hub 12 through the cable, each network data signal is transmitted to each system component by the network hub 12 to achieve the function of remote control, when the monitoring controller 4 receives the electric energy and the network data signal, the transmission instruction is transmitted to the remote control terminal 5, the remote control terminal 5 drives the network camera 8, the recording device 9, the alarm detector 10 and the infrared assistor 11 to operate, when the network camera 8 works at night, the infrared assistor 11 beside the network camera 8 effectively improves the shooting definition of the network camera 8 at night, the picture monitored by the network camera 8 in real time and the data collected by the recording device 9 are transmitted to the remote control terminal 5 through the network signal, and when the alarm detector 10 detects a dangerous signal, the signals are immediately transmitted to the remote control terminal 5 through the network, the remote control terminal 5 transmits the signals to the monitoring controller 4, the monitoring controller 4 transmits the signals to the multimedia system 7 and the storage server 13 respectively, the operation control bus 1 obtains data, meanwhile, the control bus 1 transmits the data to the central processing system 2 for operation, the remote intelligent monitoring system greatly improves monitoring efficiency, does not cause shutdown of the monitoring system due to power failure, and effectively improves safety of a monitoring area.
The invention provides a remote intelligent monitoring system, as shown in fig. 5, further comprising: the alarm module and the power supply detection module;
the central processing system 2 is connected with the power supply detection module, the power supply system 6 and the USP power supply 14;
the power detection module is configured to detect an electric quantity in the USP power supply 14, and at the same time, control the power supply system 6 to charge the USP power supply 14 with insufficient electric quantity through the central processing system 2, where a specific working process includes:
the power supply detection module is used for sampling current of the USP power supply 14 according to a resistance with a preset value to obtain a current sample;
the central processing system 2 is configured to perform an integration processing operation according to the current sample to obtain an electric quantity value used by the USP power supply 14;
the central processing system 2 is further configured to compare the total power of the USP power source 14 with the power already used by the USP power source 14;
if the used electric quantity value of the USP power supply 14 is less than or equal to 20% of the total electric quantity of the USP power supply 14, sending a first control signal to the power supply system 6 to control the power supply system 6 to charge;
the power supply detection module is further configured to detect an electric quantity value of the USP power supply 14 charged by the power supply system 6;
the central processing system is further configured to control the power supply system 6 to charge the USP power supply 14 at a rated power and through a preset time threshold when the charged power value of the USP power supply 14 reaches 80% of the total power;
the central processing system 2 is further configured to send a second control signal to the power supply system 6 when the power supply system 6 reaches the preset time threshold value during charging, and control the power supply system 6 to stop charging the USP power supply 14.
The working principle and the beneficial effects of the technical scheme are as follows: the method comprises the steps of sampling current of a USP power supply 14 through a power supply detection module according to a resistor with a preset value to obtain a current sample, carrying out integral processing operation on the current sample through a central processing system 2 to obtain a used electric quantity value of the USP power supply 14, comparing the used electric quantity value of the USP power supply 14 with the total electric quantity of the USP power supply 14 through the central processing system 2, accurately sending a first control signal to a power supply system 6 to control the power supply system 6 to charge if the used electric quantity value of the USP power supply 14 is less than or equal to 20% of the total electric quantity of the USP power supply 14, detecting the electric quantity value of the USP power supply 14 charged by the power supply system 6, controlling the power supply system 6 to charge the USP power supply 14 with rated power through a preset time threshold when the charged electric quantity value of the USP power supply 14 reaches 80% of the total electric quantity, and accordingly avoiding damage to the device, the method greatly increases the practicability of the system.
The invention provides a remote intelligent monitoring system, as shown in fig. 6, further comprising: a voice storage system;
wherein, the central processing system 2 is connected with the recording device 9 and the voice storage system;
the central processing system 2 is configured to obtain a monitored voice signal according to the recording device 9, and at the same time, process the voice signal to obtain a pure voice signal, where the specific working process includes:
the recording device 9 is used for acquiring a monitored voice signal;
the central processing system 2 is configured to perform frame windowing on the speech signal, and calculate a frequency spectrum of the speech signal;
where f (i) represents the spectrum of the speech signal, i represents the i-th sample point of the speech signal, and i ═ 0,1,2 … N-1, N represents the total of the speech signalSampling points, eta represents the noise coefficient of the speech signal, k represents the carrier signal of the speech,
representing the amplitude of the speech signal, ω representing the phase value of the speech signal;
the central processing system 2 is further configured to obtain a frequency spectrum of a pure voice signal based on the frequency spectrum of the voice signal;
wherein Y represents the frequency spectrum of the pure speech signal, Y represents the frequency spectrum of the speech signal, α represents the adaptive coefficient of the pure speech signal, P represents the filtering frequency of the speech signal, and w represents the mean value of the gaussian components of the speech signal; μ represents a maximum attenuation reduction coefficient of the voice signal, and m represents an attenuation value of the voice signal;
meanwhile, comparing the frequency spectrum of the pure voice signal with a preset frequency spectrum segment;
if the pure voice signal conforms to the preset frequency spectrum section, controlling the voice storage system to store the voice signal;
otherwise, continuing to extract the pure voice signal.
In this embodiment, the pure speech signal may be a speech signal without other signals interfering with the speech.
In this embodiment, the predetermined portion of spectrum may be a portion of speech spectrum without noise interference.
The working principle and the beneficial effects of the technical scheme are as follows: the monitored voice signals are obtained through the recording equipment 9, the voice signals are subjected to framing and windowing processing through the central processing system 2, the computer can calculate the frequency spectrum of the voice signals more conveniently, the pure voice signal frequency spectrum can be calculated accurately, the frequency spectrum of the pure voice signals is compared with a preset frequency spectrum segment, signals which are not needed voice signals can be obtained quickly, and storage is carried out.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. A remote intelligent monitoring system comprises a control bus (1), and is characterized in that: control bus (1) links to each other with central processing system (2), network router (3), supervisory controller (4), remote control terminal (5), electrical power generating system (6), multimedia system (7) respectively, control bus (1) output and central processing system (2), network router (3), supervisory controller (4), remote control terminal (5), electrical power generating system (6), multimedia system (7) all pass through signal connection, supervisory controller (4) output and remote control terminal (5) communication connection, remote control terminal (5) respectively with network camera (8), recording equipment (9), alarm detector (10), infrared assistor (11) communication connection, electrical power generating system (6) output respectively with supervisory controller (4), multimedia system (7), The central processing system (2), the network router (3), the network concentrator (12), the storage server (13) and the UPS power supply (14) are connected, and the UPS power supply (14) and the power supply system (6) are both in communication connection with the power switch (15).
2. The remote intelligent monitoring system according to claim 1, characterized in that: the output end of the network router (3) is in communication connection with a network hub (12), and the output end of the network hub (12) is in communication connection with the control bus (1), the monitoring controller (4), the central processing system (2), the multimedia system (7) and the storage server (13) respectively.
3. The remote intelligent monitoring system according to claim 1, characterized in that: the receiving end of the multimedia system (7) is connected with the monitoring controller (4), and the output end of the multimedia system (7) is in communication connection with the storage server (13).
4. The remote intelligent monitoring system according to claim 1, characterized in that: the multimedia system (7) is provided with an encoding part and a decoding part.
5. The remote intelligent monitoring system according to claim 1, characterized in that: the central processing system (2) comprises an arithmetic server, a forwarding server, an access server, a central management server and a database server.
6. The remote intelligent monitoring system according to claim 1, characterized in that: the power supply system (6) is also provided with an electric leakage monitoring system, an overvoltage protection circuit and an overcurrent protection circuit, and can monitor electric leakage data.
7. The remote intelligent monitoring system according to claim 1, characterized in that: the infrared assistor (11) is used for increasing the shooting capability of the network camera (8) at night.
8. The remote intelligent monitoring system according to claim 6, further comprising: the alarm module and the power supply detection module;
wherein the central processing system (2) is connected with the power supply detection module, the power supply system (6) and the USP power supply (14);
the power supply detection module is used for detecting the electric quantity in the USP power supply (14), and meanwhile, the power supply system (6) is controlled to charge the USP power supply (14) with insufficient electric quantity through the central processing system (2), and the specific working process comprises the following steps:
the power supply detection module is used for sampling current of the USP power supply (14) according to a resistance with a preset value to obtain a current sample;
the central processing system (2) is used for carrying out integral processing operation according to the current samples to obtain the used electric quantity value of the USP power supply (14);
the central processing system (2) is also used for comparing the used electric quantity value of the USP power supply (14) with the total electric quantity of the USP power supply (14);
if the used electric quantity value of the USP power supply (14) is less than or equal to 20% of the total electric quantity of the USP power supply (14), sending a first control signal to the power supply system (6) to control the power supply system (6) to charge;
the power supply detection module is also used for detecting the electric quantity value of the USP power supply (14) charged by the power supply system (6);
the central processing system is further used for controlling the power supply system (6) to charge the USP power supply (14) at a rated power and through a preset time threshold after the charged electric quantity value of the USP power supply (14) reaches 80% of the total electric quantity;
the central processing system (2) is further configured to send a second control signal to the power supply system (6) to control the power supply system (6) to stop charging the USP power supply (14) when the power supply system (6) reaches the preset time threshold.
9. The remote intelligent monitoring system according to claim 1, further comprising: a voice storage system;
wherein, the central processing system (2) is connected with the sound recording device (9) and the voice storage system;
the central processing system (2) is used for acquiring the monitored voice signals according to the recording equipment (9), and meanwhile, processing the voice signals to acquire pure voice signals, and the specific working process comprises the following steps:
the recording equipment (9) is used for acquiring a monitored voice signal;
the central processing system (2) is used for performing frame windowing processing on the voice signal and calculating the frequency spectrum of the voice signal;
where f (i) represents the spectrum of the speech signal, i represents the i-th sample point of the speech signal, and i ═ 0,1,2 … N-1, N represents the total sample point of the speech signal, η represents the noise figure of the speech signal, k represents the carrier signal of speech,
representing the amplitude of the speech signal, ω representing the phase value of the speech signal;
the central processing system (2) is further used for acquiring a frequency spectrum of a pure voice signal based on the frequency spectrum of the voice signal;
wherein Y represents the frequency spectrum of the pure speech signal, Y represents the frequency spectrum of the speech signal, α represents the adaptive coefficient of the pure speech signal, p represents the filtering frequency of the speech signal, and w represents the mean value of the gaussian components of the speech signal; μ represents a maximum attenuation reduction coefficient of the voice signal, and m represents an attenuation value of the voice signal;
meanwhile, comparing the frequency spectrum of the pure voice signal with a preset frequency spectrum segment;
if the pure voice signal conforms to the preset frequency spectrum section, controlling the voice storage system to store the voice signal;
otherwise, continuing to extract the pure voice signal.
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| Publication number | Priority date | Publication date | Assignee | Title |
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