CN113253026A - Monitoring method and device for on-off state of instrument - Google Patents
Monitoring method and device for on-off state of instrument Download PDFInfo
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- CN113253026A CN113253026A CN202110523798.8A CN202110523798A CN113253026A CN 113253026 A CN113253026 A CN 113253026A CN 202110523798 A CN202110523798 A CN 202110523798A CN 113253026 A CN113253026 A CN 113253026A
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Abstract
The invention provides a method and equipment for monitoring the on-off state of an instrument, which comprises the following steps: the management terminal sends a current acquisition request to an instrument monitoring component, and the instrument monitoring component monitors the working current of an instrument based on the current acquisition request and obtains monitoring data; the instrument detection part processes the monitoring data and selects a corresponding target transmission mode based on a processing result; the instrument monitoring component transmits the processed data to a digital management platform based on the target transmission mode; and the digital management platform compares the received data with a preset current monitoring lower limit value and determines the working state of the instrument according to the comparison result. The current change value of the instrument is monitored, and the monitored current change value is processed and judged, so that the working state of the instrument is accurately monitored.
Description
Technical Field
The invention relates to the technical field of equipment monitoring, in particular to a method and equipment for monitoring the on-off state of an instrument.
Background
At present, a complete and standard management platform is established in both domestic laboratories and detection institutions. But the field of monitoring the on-off state of the instrument is rarely involved. Most of the technical field is applied to large-scale factory workshops for monitoring the running state of production equipment, and few manufacturers develop a mature, light-weight and plug-and-play product for monitoring the on and off of instruments. Basically, manufacturers and customers in the whole industry belong to a pair of customized relations, and need to be customized and modified according to actual conditions, so that circuit modification, equipment installation layout and the like are involved, and the requirements for strong specialty and high time and technical cost are met.
The invention provides a method and equipment for monitoring the on-off state of an instrument. The on-off state of the instrument can be visually monitored through the equipment, the working state and the historical working condition of the instrument can be conveniently monitored, on-site customized wiring and electronic element erection are not needed for the equipment, the equipment can be used in a plug-and-play mode, the customization of the intelligent digital monitoring platform can be achieved according to requirements, and more extended functions are achieved.
Disclosure of Invention
The invention provides a method and equipment for monitoring the on-off state of an instrument, which are used for accurately monitoring the working state of the instrument by monitoring the current change value of the instrument and processing and judging the monitored current change value.
The invention provides a method for monitoring the on-off state of an instrument, which comprises the following steps:
step 1: the management terminal sends a current acquisition request to an instrument monitoring component, and the instrument monitoring component monitors the working current of an instrument based on the current acquisition request and obtains monitoring data;
step 2: the instrument monitoring component processes the monitoring data and selects a corresponding target transmission mode based on a processing result;
and step 3: the instrument monitoring component transmits the processed data to a digital management platform based on the target transmission mode;
and 4, step 4: and the digital management platform compares the received data with a preset current monitoring lower limit value and determines the working state of the instrument according to the comparison result.
Preferably, in step 1, the method for monitoring the on/off state of the instrument includes that a management terminal sends a current acquisition request to an instrument monitoring component, and the instrument monitoring component monitors the working current of the instrument based on the current acquisition request and obtains monitoring data, where the method includes:
acquiring the current working state of the instrument monitoring component, wherein the working state comprises a connected power supply and an unconnected power supply;
if the instrument monitoring part is connected with a power supply, acquiring a current acquisition request sent by a management end to the instrument monitoring part, monitoring the working current of the instrument within a preset time interval by the instrument monitoring part after receiving the current acquisition request to obtain a plurality of groups of current values, and transmitting the monitored current values to the management end;
and if the instrument monitoring component is not connected with the power supply, failing to respond to the current acquisition request sent by the management terminal.
Preferably, in step 2, the monitoring data is processed, and a corresponding target transmission mode is selected based on the processing result, including:
acquiring a preset serial communication protocol, and acquiring a target data format of monitored data based on the preset serial communication protocol;
matching corresponding target conversion rules from a preset conversion rule base based on the target data format, and converting the monitored data based on the target conversion rules to obtain network protocol data;
dividing the network protocol data to obtain M data blocks to be screened, wherein each data block to be screened comprises a characteristic and a corresponding characteristic value;
acquiring characteristic information corresponding to the characteristics of each data block to be screened, calculating the weight value of the characteristic information, and determining the characteristic information meeting the preset condition based on the weight value;
constructing a data screening model, and screening out data blocks meeting the preset conditions to obtain N target data blocks to be screened, wherein M is greater than or equal to N;
calculating the characteristics and the characteristic values in the N target data blocks to be screened based on a preset algorithm to obtain a mapping value of each characteristic;
determining the information quantity of the N target data blocks to be screened based on the mapping value of each feature;
determining candidate transmission modes corresponding to the N target data blocks to be screened based on the information quantity, wherein the candidate transmission modes comprise a wireless transmission mode and a wired transmission mode;
acquiring the time required by the N data blocks to be screened in the wireless transmission mode and the wired transmission mode respectively;
and comparing the obtained transmission time corresponding to the wireless transmission mode and the wired transmission mode, and selecting the transmission mode with short transmission time as a target transmission mode.
Preferably, in step 3, the method for monitoring the on/off state of the instrument transmits the processed data to the digital management platform based on the target transmission mode, and includes:
acquiring a preset compressed data statistical table, wherein the preset compressed data statistical table comprises a data format and a corresponding compression mode;
acquiring a data format of the processed data, and matching the data format of the processed data with a data format contained in the preset compressed data statistical table to obtain a target data format;
and determining a compression mode corresponding to the target data format based on the target data format, and compressing the processed data based on the compression mode to obtain a target data compression packet.
Preferably, the method for monitoring the on/off state of the instrument, when obtaining the target data compression packet, further includes:
acquiring a terminal identifier of a digital management platform, and searching an IP address of the digital management platform based on the terminal identifier;
based on the IP address, a data transmission link between a data sending end and the digital management platform is constructed, and handshake between the data sending end and the digital management platform is realized;
and transmitting the target data compression packet to the digital management platform through a target transmission mode based on the data transmission link.
Preferably, a method for monitoring the on/off state of an instrument, which transmits a target data compression packet to the digital management platform through a target transmission mode, includes:
acquiring a transmission state of transmitting a target data compression packet to the digital management platform through a target transmission mode, and monitoring the transmission state in real time to obtain a target monitoring result;
extracting the transmission progress of the compressed data packet in the target monitoring result, and comparing the transmission progress with a preset transmission progress;
if the transmission progress is smaller than the preset transmission progress, judging that the transmission progress is unqualified, detecting whether data transmission is interrupted or not, detecting whether a data sending end can carry out data transmission through a residual candidate transmission mode or not when the interruption occurs, acquiring a transmission mode switching instruction when the data sending end can carry out data transmission through the residual candidate transmission mode, finishing switching of the transmission mode according to the transmission mode switching instruction, and finishing data transmission through the switched transmission mode;
otherwise, judging that the transmission progress is qualified, maintaining the target transmission mode, and completing the data transmission.
Preferably, in step 4, the step of comparing the received data with a preset current monitoring lower limit value by the digital management platform, and determining the working state of the instrument according to the comparison result includes:
acquiring processed data received by the digital management platform, determining the current value of an instrument power supply according to the processed data, and acquiring a preset current monitoring lower limit value;
comparing the current value of the instrument power supply with a preset current monitoring lower limit value;
if the current value of the instrument power supply is higher than the preset current monitoring lower limit value, judging that the instrument is in a working state;
if the current value of the instrument power supply is smaller than the preset current monitoring lower limit value and is not zero, judging that the instrument is in a standby state;
if the current value of the instrument power supply is zero, judging that the instrument is in a shutdown state;
meanwhile, the digital management platform stores the judgment result into a database to complete the monitoring of the on-off state of the instrument.
Preferably, in step 3, the method for monitoring the on/off state of the instrument transmits the processed data to the digital management platform based on the target transmission mode, and further includes:
constructing a transmission link and acquiring the processed data;
calculating the data loss rate of the processed data in a transmission link according to the acquired processed data, and calculating the transmission efficiency of the processed data in the transmission link according to the data loss rate, wherein the specific steps comprise:
calculating the data loss rate of the processed data in the transmission link according to the following formula:
wherein, α represents the data loss rate of the processed data in the transmission link, and the value range is (0, 1); delta represents an electromagnetic interference factor, and the value range is (0.1, 0.15); θ represents the total data amount of the processed data when the processed data is transmitted in a transmission link; v represents the data loss speed value when the processed data is transmitted in a transmission link; t represents the transmission time length value of the processed data in a transmission link;
calculating the transmission efficiency of the processed data in the transmission link according to the following formula:
wherein β represents the transmission efficiency of the processed data in the transmission link, and the value range is (0, 1);
representing the transmission speed value of the processed data in a transmission link; f represents the frequency value of the carrier signal in the transmission link;
comparing the calculated transmission efficiency with a preset transmission efficiency;
if the transmission efficiency obtained by calculation is smaller than the preset transmission efficiency, judging that the transmission efficiency is unqualified, and constructing a standby transmission link;
based on the spare transmission link, the processed data is retransmitted to finish the transmission of the processed data;
and if the transmission efficiency obtained by calculation is greater than or equal to the preset transmission efficiency, judging that the transmission efficiency is qualified, and completing transmission of the processed data through the current transmission link.
The invention provides a monitoring device for the on-off state of an instrument, which comprises:
the monitoring module is used for receiving a current acquisition request sent by the management terminal to the instrument monitoring component, and the instrument monitoring component monitors the working current of the instrument based on the current acquisition request and obtains monitoring data;
the data switching module is used for controlling the instrument monitoring part to process the monitored data and selecting a corresponding target transmission mode based on a processing result;
the data switching module is also used for controlling the instrument monitoring component to transmit the processed data to a digital management platform based on the target transmission mode;
and the digital management platform is used for comparing the received data with a preset current monitoring lower limit value and determining the working state of the instrument according to the comparison result.
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 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 flow chart of a method for monitoring the on/off status of an instrument according to an embodiment of the present invention;
fig. 2 is a structural diagram of a monitoring device for on/off states of an instrument according to an embodiment of the present 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.
Example 1:
the embodiment provides a method for monitoring the on/off state of an instrument, as shown in fig. 1, including:
step 1: the management terminal sends a current acquisition request to an instrument monitoring component, and the instrument monitoring component monitors the working current of an instrument based on the current acquisition request and obtains monitoring data;
step 2: the instrument monitoring component processes the monitoring data and selects a corresponding target transmission mode based on a processing result;
and step 3: the instrument monitoring component transmits the processed data to a digital management platform based on the target transmission mode;
and 4, step 4: and the digital management platform compares the received data with a preset current monitoring lower limit value and determines the working state of the instrument according to the comparison result.
In this embodiment, the management end refers to a software platform developed for monitoring the on/off state of the instrument.
In this embodiment, the premise of the instrument detection component monitoring the operating current of the instrument is to ensure that the instrument is connected with the power supply.
In this embodiment, the current obtaining request is sent by the software platform, and is used to drive the instrument monitoring component to monitor the operating current value of the instrument when the instrument is operated.
In this embodiment, processing the monitored data refers to performing format conversion on the monitored current data and screening out valid data.
In the embodiment, the device adopts the idea of monitoring the working current, so that the device is sensitive and accurate to the change induction of the working current of the instrument, and the monitoring error and delay are reduced to the greatest extent.
In this embodiment, the target transmission mode refers to a characteristic transmission mode suitable for monitoring data transmission selected from a plurality of transmission modes, and the transmission mode is defined as the target transmission mode.
In this embodiment, the preset current monitoring lower limit value is obtained through multiple training and is used for comparing with the monitored current change value, so as to monitor the working state of the instrument.
In this embodiment, the digital management platform provides an interface configuration page for the device, and a user can flexibly configure network interface parameters as long as the IP address and the port number of the network interface, the detector code, and the lower current monitoring limit are set, and the digital management platform reads the address of the network port through the unique detector code, thereby reading the monitoring current data.
In the embodiment, the monitoring of the on-off state of the instrument is realized by monitoring the current, so that the sensitivity of monitoring data can be ensured, and the monitoring error is reduced to the maximum extent.
In the embodiment, when the working state of the equipment is detected, one-to-one customized wiring and configuration are not needed according to the field of a client, so that the professional and technical requirements of installation personnel are reduced, the use threshold is reduced by an intelligent installation operation mode, and the time and labor cost are greatly saved.
In the embodiment, the light-weight overall design is adopted, the overall science and technology sense is sufficient, the installation is simple, convenient and intelligent, and multiple working modes are selectable.
In this embodiment, the digital management platform can implement independent parameter configuration of the monitoring device, and perform digital management on the monitoring data.
The beneficial effects of the above technical scheme are: the current change value of the instrument is monitored, and the monitored current change value is processed and judged, so that the working state of the instrument is accurately monitored.
Example 2:
on the basis of embodiment 1, this embodiment provides a monitoring method for an on/off state of an instrument, in step 1, a management end sends a current acquisition request to an instrument monitoring component, and the instrument monitoring component monitors a working current of the instrument based on the current acquisition request and obtains monitoring data, including:
acquiring the current working state of the instrument monitoring component, wherein the working state comprises a connected power supply and an unconnected power supply;
if the instrument monitoring part is connected with a power supply, acquiring a current acquisition request sent by a management end to the instrument monitoring part, monitoring the working current of the instrument within a preset time interval by the instrument monitoring part after receiving the current acquisition request to obtain a plurality of groups of current values, and transmitting the monitored current values to the management end;
and if the instrument monitoring component is not connected with the power supply, failing to respond to the current acquisition request sent by the management terminal.
In this embodiment, the preset time interval is set in advance, and is used for the device to continuously monitor the instrument power supply at the specified time interval, for example, 5 seconds, 10 seconds, and the like.
The beneficial effects of the above technical scheme are: by acquiring the working state of the instrument power supply and monitoring the instrument power supply in multiple groups when the working state meets the conditions, the instrument power supply is continuously monitored, and the accuracy of acquiring the current change value of the instrument power supply is improved.
Example 3:
on the basis of embodiment 1 above, this embodiment provides a monitoring method for an on/off state of an instrument, and in step 2, the monitoring data is processed, and a corresponding target transmission mode is selected based on a processing result, including:
acquiring a preset serial communication protocol, and acquiring a target data format of monitoring data based on the preset serial communication protocol;
matching corresponding target conversion rules from a preset conversion rule base based on the target data format, and converting the monitored data based on the target conversion rules to obtain network protocol data;
dividing the network protocol data to obtain M data blocks to be screened, wherein each data block to be screened comprises a characteristic and a corresponding characteristic value;
acquiring characteristic information corresponding to the characteristics of each data block to be screened, calculating the weight value of the characteristic information, and determining the characteristic information meeting the preset condition based on the weight value;
constructing a data screening model, and screening out data blocks meeting the preset conditions to obtain N target data blocks to be screened, wherein M is greater than or equal to N;
calculating the characteristics and the characteristic values in the N target data blocks to be screened based on a preset algorithm to obtain a mapping value of each characteristic;
determining the information quantity of the N target data blocks to be screened based on the mapping value of each feature;
determining candidate transmission modes corresponding to the N target data blocks to be screened based on the information quantity, wherein the candidate transmission modes comprise a wireless transmission mode and a wired transmission mode;
acquiring the time required by the N data blocks to be screened in the wireless transmission mode and the wired transmission mode respectively;
and comparing the obtained transmission time corresponding to the wireless transmission mode and the wired transmission mode, and selecting the transmission mode with short transmission time as a target transmission mode.
In this embodiment, the preset serial communication protocol is set in advance to realize format conversion of the monitoring data, for example, the preset serial communication protocol may be an RS-485 serial communication protocol, but the RS-485 serial communication protocol is not friendly in actual interface data docking, and interface universality of the network protocol is greatly provided, so that data can be read conveniently, and thus, a network interface digitization scheme is adopted. And in addition, two schemes of a wired mode and a wireless mode are provided by combining different working scenes, and the optimal scheme can be flexibly selected in practical use.
In this embodiment, the target data format refers to a format of data after the monitored data is converted by a preset RS-485 serial communication protocol, and the format of the converted data is defined as the target data format.
In this embodiment, the preset conversion rule base stores a plurality of data conversion rules, which are obtained through multiple training.
In this embodiment, the feature refers to a key data segment or a key word capable of representing data block information in each data block.
In this embodiment, the feature value is a specific value representing the feature in each data block.
In this embodiment, the weight value refers to the importance value of each data block in all data blocks, for example, the weight value of the data block containing the current variation value is the largest.
In this embodiment, the preset condition is set in advance and is used to filter the data blocks according to the weight value, for example, the preset condition may be a data block with a weight value not lower than 5.
In this embodiment, the mapping value of each feature is used to represent the amount of data of other data associated with the feature in each data block.
In the embodiment, two transmission modes of wired and wireless monitoring data are supported, and the wireless monitoring data can be selected independently according to the field environment and is easy to operate.
The beneficial effects of the above technical scheme are: the target data format of the monitoring data is obtained through the preset RS-485 serial communication protocol, the corresponding conversion rule is called according to the target data format of the data to complete conversion of the data format, and meanwhile, the data transmission mode is determined through determining the data information quantity.
Example 4:
on the basis of embodiment 1, this embodiment provides a method for monitoring a power on/off state of an instrument, and in step 3, the transmitting the processed data to a digital management platform based on the target transmission mode includes:
acquiring a preset compressed data statistical table, wherein the preset compressed data statistical table comprises a data format and a corresponding compression mode;
acquiring a data format of the processed data, and matching the data format of the processed data with a data format contained in the preset compressed data statistical table to obtain a target data format;
and determining a compression mode corresponding to the target data format based on the target data format, and compressing the processed data based on the compression mode to obtain a target data compression packet.
In this embodiment, the predetermined compressed data statistical table is obtained through multiple training, and contains a plurality of data compression formats, such as a speed-limited compression mode and a volume-first compression mode.
In this embodiment, the target data format refers to a data format in which the monitored data corresponds to a data format existing in a preset compressed data statistical table, so that a corresponding compression mode can be determined according to the data format, and the compression modes are different due to different data formats.
The beneficial effects of the above technical scheme are: the compressed data format corresponding to the monitored data is searched in the preset compressed data statistical table, the corresponding compression mode is determined according to the compressed data format, the data is compressed quickly, the data is convenient to transmit by compressing the data, the data transmission efficiency is improved, and therefore the digital management platform can monitor the on-off state of the instrument accurately.
Example 5:
on the basis of the foregoing embodiment 4, this embodiment provides a method for monitoring an on/off state of an instrument, and in a process of obtaining a target data compression packet, the method further includes:
acquiring a terminal identifier of a digital management platform, and searching an IP address of the digital management platform based on the terminal identifier;
based on the IP address, a data transmission link between a data sending end and the digital management platform is constructed, and handshake between the data sending end and the digital management platform is realized;
and transmitting the target data compression packet to the digital management platform through a target transmission mode based on the data transmission link.
In this embodiment, the terminal identifier is a kind of tag used to mark the terminal, and one kind of identifier corresponds to one kind of terminal.
In this embodiment, the IP address represents address information of the digital management platform, so that a transmission link can be established with the digital management platform.
In this embodiment, the handshake between the data sending end and the digital management platform is implemented to complete the connection between the data sending end and the digital management platform, and once the handshake is successful, data transmission can be performed.
The beneficial effects of the above technical scheme are:
example 6:
on the basis of the foregoing embodiment 5, this embodiment provides a method for monitoring a power on/off state of an instrument, where a target data compression packet is transmitted to the digital management platform in a target transmission mode, and the method includes:
acquiring a transmission state of transmitting a target data compression packet to the digital management platform through a target transmission mode, and monitoring the transmission state in real time to obtain a target monitoring result;
extracting the transmission progress of the compressed data packet in the target monitoring result, and comparing the transmission progress with a preset transmission progress;
if the transmission progress is smaller than the preset transmission progress, judging that the transmission progress is unqualified, detecting whether data transmission is interrupted or not, detecting whether a data sending end can carry out data transmission through a residual candidate transmission mode or not when the interruption occurs, acquiring a transmission mode switching instruction when the data sending end can carry out data transmission through the residual candidate transmission mode, finishing switching of the transmission mode according to the transmission mode switching instruction, and finishing data transmission through the switched transmission mode;
otherwise, judging that the transmission progress is qualified, maintaining the target transmission mode, and completing the data transmission.
In this embodiment, the transmission status refers to a real-time transmission condition of transmitting the data compression packet through the data transmission link, and includes smooth completion of transmission, transmission failure, and the like.
In this embodiment, the preset transmission schedule is set in advance, and is used to measure whether the current transmission schedule is qualified or not, and is obtained through multiple training.
In this embodiment, the transmission mode switching instruction is sent by the data sending end, and is used to switch the current transmission mode.
In the embodiment, the digital management platform can not only display the real-time on-off state of the instrument, but also query the historical on-off record of the instrument according to needs, track the working state of each time point at any time when the instrument is managed conveniently, count the contribution value of the instrument and other digital functions, and can be customized in a light weight manner according to actual requirements.
The beneficial effects of the above technical scheme are: whether data are transmitted smoothly is judged by monitoring the data transmission progress in the current transmission mode, if the data are not transmitted smoothly, the transmission mode is switched, and the data can be transmitted to the digital management platform smoothly, so that the digital management platform can judge the on-off state of the instrument accurately according to the received data.
Example 7:
on the basis of embodiment 1, this embodiment provides a monitoring method for an on/off state of an instrument, and in step 4, the comparing, by the digital management platform, the received data with a preset current monitoring lower limit value, and determining a working state of the instrument according to a comparison result, including:
acquiring processed data received by the digital management platform, determining the current value of an instrument power supply according to the processed data, and acquiring a preset current monitoring lower limit value;
comparing the current value of the instrument power supply with a preset current monitoring lower limit value;
if the current value of the instrument power supply is higher than the preset current monitoring lower limit value, judging that the instrument is in a working state;
if the current value of the instrument power supply is smaller than the preset current monitoring lower limit value and is not zero, judging that the instrument is in a standby state;
if the current value of the instrument power supply is zero, judging that the instrument is in a shutdown state;
meanwhile, the digital management platform stores the judgment result into a database to complete the monitoring of the on-off state of the instrument.
In the embodiment, the digital management platform can be light and customized according to the field requirements, and the requirements of customers are met to the maximum extent.
In this embodiment, since the current generated by the power supply may not be 0 even in the standby state of the apparatus, and the current value may be different in the standby state of different apparatuses, it is necessary to set a minimum value of the operating current, i.e., a current monitoring lower limit, for each monitored apparatus. If the current is higher than the current monitoring lower limit, the instrument is considered to be in a working state, if the monitoring current is smaller than the current monitoring lower limit but larger than 0, the instrument is in a standby state, and if the monitoring current is 0, the instrument is in a shutdown state. And through the monitored state, the working state of the instrument information in the database is updated in real time, and the digital management of the on-off state of the instrument is realized.
The beneficial effects of the above technical scheme are: through comparing instrument operating current with the preset current monitoring lower limit value, the instrument on-off state is accurately classified, accurate analysis of the instrument operating state is guaranteed, meanwhile, the on-off state of the instrument is stored, and corresponding query statistics and other operations are conveniently carried out on monitoring data according to requirements.
Example 8:
on the basis of embodiment 1, this embodiment provides a method for monitoring a power on/off state of an instrument, and in step 3, the method transmits the processed data to a digital management platform based on the target transmission mode, and further includes:
constructing a transmission link and acquiring the processed data;
calculating the data loss rate of the processed data in a transmission link according to the acquired processed data, and calculating the transmission efficiency of the processed data in the transmission link according to the data loss rate, wherein the specific steps comprise:
calculating the data loss rate of the processed data in the transmission link according to the following formula:
wherein, α represents the data loss rate of the processed data in the transmission link, and the value range is (0, 1); delta represents an electromagnetic interference factor, and the value range is (0.1, 0.15); θ represents the total data amount of the processed data when the processed data is transmitted in a transmission link; v represents the data loss speed value when the processed data is transmitted in a transmission link; t represents the transmission time length value of the processed data in a transmission link;
calculating the transmission efficiency of the processed data in the transmission link according to the following formula:
wherein β represents the transmission efficiency of the processed data in the transmission link, and the value range is (0, 1);
representing the transmission speed value of the processed data in a transmission link; f represents the frequency value of the carrier signal in the transmission link;
comparing the calculated transmission efficiency with a preset transmission efficiency;
if the transmission efficiency obtained by calculation is smaller than the preset transmission efficiency, judging that the transmission efficiency is unqualified, and constructing a standby transmission link;
based on the spare transmission link, the processed data is retransmitted to finish the transmission of the processed data;
and if the transmission efficiency obtained by calculation is greater than or equal to the preset transmission efficiency, judging that the transmission efficiency is qualified, and completing transmission of the processed data through the current transmission link.
In this embodiment, the electromagnetic interference factor refers to an influence parameter that is caused by electromagnetic wave interference when the transmission link is transmitting data, and the factor affects the data transmission speed and the data loss speed.
In this embodiment, the preset transmission efficiency is set in advance, and is used to measure whether the transmission efficiency is qualified, when the transmission efficiency is greater than or equal to the preset transmission efficiency, the transmission efficiency is determined to be qualified, otherwise, the transmission efficiency is not qualified.
The beneficial effects of the above technical scheme are: the data loss rate of the processed data in the transmission link is calculated, and the transmission efficiency of the processed data in the transmission link is calculated according to the data loss rate. The method has the advantages that when the data loss rate is calculated, the ratio of the lost data volume to the total data volume is related, the reliability of the calculation result is established, meanwhile, the data transmission speed and the data loss speed are related, the calculation result is more accurate and reliable, when the transmission efficiency is calculated, the ratio of the data received by the digital management platform to the final data volume is related, the frequency of carrier signals in a transmission link and the total time for transmission are related, the calculation result is accurate and reliable, the scheme ensures that the monitored data are accurately and quickly transmitted to the digital management platform, and therefore the efficient monitoring of the on-off state of the instrument is improved.
Example 9:
the embodiment provides a monitoring device for the on/off state of an instrument, as shown in fig. 2, including:
the monitoring module is used for receiving a current acquisition request sent by the management terminal to the instrument monitoring component, and the instrument monitoring component monitors the working current of the instrument based on the current acquisition request and obtains monitoring data;
the data switching module is used for controlling the instrument monitoring part to process the monitored data and selecting a corresponding target transmission mode based on a processing result;
the data switching module is also used for controlling the instrument monitoring component to transmit the processed data to a digital management platform based on the target transmission mode;
and the digital management platform is used for comparing the received data with a preset current monitoring lower limit value and determining the working state of the instrument according to the comparison result.
In the embodiment, the device comprises three main modules, namely a monitoring module, a data transfer module and a digital management module, which respectively perform their own functions and jointly complete the monitoring work.
The working principle of the technical scheme is as follows: the monitoring module comprises an instrument power supply and a monitoring part, and can directly connect the monitored instrument to an output voltage socket of the instrument power supply of the equipment and use the equipment as a power supply; the monitoring module can monitor the change of the power supply current in real time when the instrument power supply works. When the instrument is powered on, the instrument is in a starting state and a standby state, current must pass through the instrument power supply, and the passing current in the shutdown state is 0A. The monitoring component can monitor the magnitude of the current when the instrument works by detecting the power supply of the instrument when the current passes through. The monitoring module provides an RS-485 serial communication protocol, data can be converted into network protocol data through the RS-485 interface through the data conversion module, and the monitoring data can be easily read through the network interface. And the monitoring module transmits the monitored current to the data switching module, so that the data switching module can obtain the data size of the instrument current. The data switching module provides a network protocol interface required by data reading, and can autonomously select a wireless network interface mode or a wired network interface mode according to actual conditions. The data switching module transmits the monitored current to the digital management platform through a fixed network protocol through a network interface, so that the digital conversion of the instrument current is realized. The digital management platform needs to set the network interface reading parameters of the device, and the method comprises the following steps: IP address and port number, detector encoding, current monitoring lower limit. And judging whether the current of the instrument exceeds the current monitoring lower limit or not according to the current monitoring lower limit of each instrument, if so, considering that the instrument is in a working state, if the monitoring current is smaller than the current monitoring lower limit but larger than 0, indicating that the instrument is in a standby state, and if the monitoring current is 0, judging that the instrument is in a shutdown state.
In the embodiment, the product modularization and lightweight design is realized, the requirement on the working environment is not too strict, the size is small, the movement is flexible and convenient, the occupied space is small, and the device is suitable for various complex working environments.
The beneficial effects of the above technical scheme are: through the current change value of monitoring instrument to the current change value that monitors handles the judgement, realizes the accurate monitoring to instrument operating condition, through modularizing each function, realizes carrying out the customization upgrade of lightweight as required.
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. A monitoring method for the on-off state of an instrument is characterized by comprising the following steps:
step 1: the management terminal sends a current acquisition request to an instrument monitoring component, and the instrument monitoring component monitors the working current of an instrument based on the current acquisition request and obtains monitoring data;
step 2: the instrument monitoring component processes the monitoring data and selects a corresponding target transmission mode based on a processing result;
and step 3: the instrument monitoring component transmits the processed data to a digital management platform based on the target transmission mode;
and 4, step 4: and the digital management platform compares the received data with a preset current monitoring lower limit value and determines the working state of the instrument according to the comparison result.
2. The method according to claim 1, wherein in step 1, the management terminal sends a current obtaining request to an instrument monitoring unit, and the instrument monitoring unit monitors the operating current of the instrument based on the current obtaining request and obtains monitoring data, and the method includes:
acquiring the current working state of the instrument monitoring component, wherein the working state comprises a connected power supply and an unconnected power supply;
if the instrument monitoring part is connected with a power supply, acquiring a current acquisition request sent by a management end to the instrument monitoring part, monitoring the working current of the instrument within a preset time interval by the instrument monitoring part after receiving the current acquisition request to obtain a plurality of groups of current values, and transmitting the monitored current values to the management end;
and if the instrument monitoring component is not connected with the power supply, failing to respond to the current acquisition request sent by the management terminal.
3. The method as claimed in claim 1, wherein the step 2 of processing the monitoring data and selecting the corresponding target transmission mode based on the processing result comprises:
acquiring a preset serial communication protocol, and acquiring a target data format of monitoring data based on the preset serial communication protocol;
matching corresponding target conversion rules from a preset conversion rule base based on the target data format, and converting the monitored data based on the target conversion rules to obtain network protocol data;
dividing the network protocol data to obtain M data blocks to be screened, wherein each data block to be screened comprises a characteristic and a corresponding characteristic value;
acquiring characteristic information corresponding to the characteristics of each data block to be screened, calculating the weight value of the characteristic information, and determining the characteristic information meeting the preset condition based on the weight value;
constructing a data screening model, and screening out data blocks meeting the preset conditions to obtain N target data blocks to be screened, wherein M is greater than or equal to N;
calculating the characteristics and the characteristic values in the N target data blocks to be screened based on a preset algorithm to obtain a mapping value of each characteristic;
determining the information quantity of the N target data blocks to be screened based on the mapping value of each feature;
determining candidate transmission modes corresponding to the N target data blocks to be screened based on the information quantity, wherein the candidate transmission modes comprise a wireless transmission mode and a wired transmission mode;
acquiring the time required by the N data blocks to be screened in the wireless transmission mode and the wired transmission mode respectively;
and comparing the obtained transmission time corresponding to the wireless transmission mode and the wired transmission mode, and selecting the transmission mode with short transmission time as a target transmission mode.
4. The method as claimed in claim 1, wherein in step 3, the transmitting the processed data to the digital management platform based on the target transmission mode includes:
acquiring a preset compressed data statistical table, wherein the preset compressed data statistical table comprises a data format and a corresponding compression mode;
acquiring a data format of the processed data, and matching the data format of the processed data with a data format contained in the preset compressed data statistical table to obtain a target data format;
and determining a compression mode corresponding to the target data format based on the target data format, and compressing the processed data based on the compression mode to obtain a target data compression packet.
5. The method as claimed in claim 4, wherein the step of obtaining the target data compression packet further comprises:
acquiring a terminal identifier of a digital management platform, and searching an IP address of the digital management platform based on the terminal identifier;
based on the IP address, a data transmission link between a data sending end and the digital management platform is constructed, and handshake between the data sending end and the digital management platform is realized;
and transmitting the target data compression packet to the digital management platform through a target transmission mode based on the data transmission link.
6. The method for monitoring the on/off state of the instrument according to claim 5, wherein transmitting the target data compression packet to the digital management platform through the target transmission mode comprises:
acquiring a transmission state of transmitting a target data compression packet to the digital management platform through a target transmission mode, and monitoring the transmission state in real time to obtain a target monitoring result;
extracting the transmission progress of the compressed data packet in the target monitoring result, and comparing the transmission progress with a preset transmission progress;
if the transmission progress is smaller than the preset transmission progress, judging that the transmission progress is unqualified, detecting whether data transmission is interrupted or not, detecting whether a data sending end can carry out data transmission through a residual candidate transmission mode or not when the interruption occurs, acquiring a transmission mode switching instruction when the data sending end can carry out data transmission through the residual candidate transmission mode, finishing switching of the transmission mode according to the transmission mode switching instruction, and finishing data transmission through the switched transmission mode;
otherwise, judging that the transmission progress is qualified, maintaining the target transmission mode, and completing the data transmission.
7. The method as claimed in claim 1, wherein in step 4, the comparing the received data with a preset lower current monitoring limit value by the digital management platform, and determining the working state of the instrument according to the comparison result includes:
acquiring processed data received by the digital management platform, determining the current value of an instrument power supply according to the processed data, and acquiring a preset current monitoring lower limit value;
comparing the current value of the instrument power supply with a preset current monitoring lower limit value;
if the current value of the instrument power supply is higher than the preset current monitoring lower limit value, judging that the instrument is in a working state;
if the current value of the instrument power supply is smaller than the preset current monitoring lower limit value and is not zero, judging that the instrument is in a standby state;
if the current value of the instrument power supply is zero, judging that the instrument is in a shutdown state;
meanwhile, the digital management platform stores the judgment result into a database to complete the monitoring of the on-off state of the instrument.
8. The method as claimed in claim 1, wherein in step 3, the processed data is transmitted to a digital management platform based on the target transmission mode, further comprising:
constructing a transmission link and acquiring the processed data;
calculating the data loss rate of the processed data in a transmission link according to the acquired processed data, and calculating the transmission efficiency of the processed data in the transmission link according to the data loss rate, wherein the specific steps comprise:
calculating the data loss rate of the processed data in the transmission link according to the following formula:
wherein, α represents the data loss rate of the processed data in the transmission link, and the value range is (0, 1); delta represents an electromagnetic interference factor, and the value range is (0.1, 0.15); θ represents the total data amount of the processed data when the processed data is transmitted in a transmission link; v represents the data loss speed value when the processed data is transmitted in a transmission link; t represents the transmission time length value of the processed data in a transmission link;
calculating the transmission efficiency of the processed data in the transmission link according to the following formula:
wherein β represents the transmission efficiency of the processed data in the transmission link, and the value range is (0, 1);
representing the transmission speed value of the processed data in a transmission link; f represents the frequency value of the carrier signal in the transmission link;
comparing the calculated transmission efficiency with a preset transmission efficiency;
if the transmission efficiency obtained by calculation is smaller than the preset transmission efficiency, judging that the transmission efficiency is unqualified, and constructing a standby transmission link;
based on the spare transmission link, the processed data is retransmitted to finish the transmission of the processed data;
and if the transmission efficiency obtained by calculation is greater than or equal to the preset transmission efficiency, judging that the transmission efficiency is qualified, and completing transmission of the processed data through the current transmission link.
9. A monitoring device for instrument on/off status, comprising:
the monitoring module is used for receiving a current acquisition request sent by the management terminal to the instrument monitoring component, and the instrument monitoring component monitors the working current of the instrument based on the current acquisition request and obtains monitoring data;
the data switching module is used for controlling the instrument monitoring part to process the monitored data and selecting a corresponding target transmission mode based on a processing result;
the data switching module is also used for controlling the instrument monitoring component to transmit the processed data to a digital management platform based on the target transmission mode;
and the digital management platform is used for comparing the received data with a preset current monitoring lower limit value and determining the working state of the instrument according to the comparison result.
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Application publication date: 20210813 |