CN106768286B - Agricultural machinery noise monitoring system and method - Google Patents
Agricultural machinery noise monitoring system and method Download PDFInfo
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- CN106768286B CN106768286B CN201611220410.2A CN201611220410A CN106768286B CN 106768286 B CN106768286 B CN 106768286B CN 201611220410 A CN201611220410 A CN 201611220410A CN 106768286 B CN106768286 B CN 106768286B
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- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
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Abstract
Embodiments of the present invention provide an agricultural machinery noise monitoring system and method, the system comprising: the noise processing device and the noise acquisition device comprise a data acquisition unit, a data transmission unit and a warning unit, wherein the data transmission unit is respectively connected with the data acquisition unit and the warning unit, and is used for acquiring noise data and transmitting the noise data and equipment information of the noise acquisition device to the noise processing device through the data transmission unit; the noise processing device judges whether the agricultural machinery is in a normal working state according to the received noise data and the equipment information, and sends a corresponding command to the warning unit through the data transmission unit so that the warning unit carries out corresponding warning; the noise processing device is also used for drawing a noise curve according to the noise data and displaying the noise curve on a webpage. The method is a method of using the system. The embodiment of the invention can realize remote monitoring and systematic management of the noise of the agricultural machinery.
Description
Technical Field
The embodiment of the invention relates to the technical field of agricultural mechanical devices, in particular to an agricultural mechanical noise monitoring system and method.
Background
At present, agricultural mechanical construction is widely carried out nationwide, and large-sized fruit harvesting machines can be seen to be used frequently in a forest fruit plantation everywhere in various operations, particularly in the harvesting season. It is known that large agricultural machines are equipped with powerful engines to ensure sufficient power, and the noise that is thereby created is also very loud.
Noise pollution is one of the main environmental pollution at present, especially in the agricultural production process, the working environment is bad, and the generated large noise can cause large influence and harm to drivers and staff. Health hazards that may result from prolonged exposure to a noisy environment are: the user has temporary hearing loss, hearing ability decline and tinnitus. Moreover, the long-term environment with large noise can cause serious influence on the mind of a user, so that the user is not concentrated in attention and the working state of the user is influenced, and serious agricultural mechanical accidents can be caused by temporary failure of hearing of the user. Therefore, in order to improve the noise environment quality in the forest and fruit machinery operation process, the monitoring work of the environmental noise must be enhanced, so that accurate, timely, scientific and comprehensive information is provided for noise management, and the execution of various precautionary measures can be effectively promoted. Therefore, the method has great significance for optimizing a noise monitoring method and improving monitoring efficiency in the forest fruit machinery operation process and researching an environmental noise prediction method, and is beneficial to improving the physical and psychological health of agricultural machinery operators and the safety of working environments.
In the process of realizing the embodiment of the invention, the inventor finds that a manual monitoring method is generally adopted for forest and fruit industry noise monitoring at present, namely, an acoustic professional in an environment monitoring system monitors the environment noise in real time so as to acquire the latest noise data. However, in order to evaluate the average level of noise pollution as accurately as possible, it is necessary to perform multipoint arrangement in the monitoring area and to increase the monitoring frequency as much as possible, so that monitoring personnel are required to go to the site to monitor and record data. The monitoring points need a large amount of manpower and material resources, and the monitoring work of single operation wastes the monitoring personnel's energy, is in manual state to noise data's collection and record simultaneously. In addition, some methods for automatically detecting noise exist in the prior art, mainly, a wireless network is used for transmitting noise data, and a commonly used method is zigbee wireless network transmission. According to the method, a plurality of zigbee nodes are distributed to the positions needing to be acquired, corresponding acquisition frequencies are set, and finally data communication and summarization are carried out through a wireless local area network. The method for automatically detecting the noise is limited by the energy of the nodes, so that the monitoring time is limited, and meanwhile, the method is limited by the signal transmission condition of the monitoring environment, and the incomplete and inaccurate noise data acquisition is possibly caused, so that the monitoring and management of the noise are affected. The accuracy of the collected noise data is not high no matter the noise is monitored manually or automatically, the collected data is not processed, the noise is simply collected and summarized, the noise is not monitored systematically, and remote automation of noise monitoring management cannot be realized.
Disclosure of Invention
In view of the defects in the prior art, the embodiment of the invention provides an agricultural machinery noise monitoring system and method.
In one aspect, an embodiment of the present invention provides an agricultural machinery noise monitoring system, including: the noise processing device and the noise acquisition device are arranged at a noise detection position, the noise acquisition device comprises a data acquisition unit, a data transmission unit and a warning unit, the data transmission unit is respectively connected with the data acquisition unit and the warning unit, and the data acquisition unit is used for acquiring noise data and transmitting the noise data and equipment information of the noise acquisition device to the noise processing device through the data transmission unit;
the noise processing device is in wireless communication connection with the data transmission unit and is used for receiving the noise data and the equipment information, judging whether the agricultural machinery corresponding to the noise acquisition device is in a normal working state or not according to the noise data and the equipment information, and sending a corresponding command to the warning unit through the data transmission unit so as to enable the warning unit to carry out corresponding warning;
the noise processing device is also used for drawing a noise curve according to the noise data and displaying the noise curve on a webpage.
Further, the noise processing device comprises an agricultural machinery noise monitoring standard database.
Further, the noise collection device comprises a head-mounted noise collection device and a bracket type noise collection device
Further, the noise acquisition device further comprises a GPS positioning unit, and the GPS positioning unit is connected with the data transmission unit. .
Further, the data transmission unit comprises a data transmission chip, an antenna and a battery.
Further, the warning unit includes: warning lights and/or bells.
Further, the noise acquisition unit is a precision sound level meter.
In another aspect, an embodiment of the present invention provides a method for monitoring noise of an agricultural machine, including:
collecting data, namely collecting noise data at a position to be detected through a noise collecting device, and sending equipment information of the noise collecting device and the noise data to a noise processing device through a data transmission unit;
the data processing device judges whether the agricultural machinery is in a normal working state or not according to the noise data and the equipment information, and if the noise processing device judges that the agricultural machinery corresponding to the noise acquisition device is in an abnormal working state, the noise processing device alarms through the alarm unit;
and the data monitoring device stores the received noise data, draws a noise curve according to the noise data and displays the noise curve in the webpage.
Further, the method further comprises: the noise acquisition device is also used for acquiring GPS data, and correspondingly, the noise processing device marks the noise data at the corresponding position of the noise monitoring map according to the GPS data.
Further, the judging whether the farm machine is in a normal working state according to the noise data and the equipment information includes:
the noise processing device stores noise monitoring standards of all agricultural machines and the corresponding relation between the noise acquisition device and the agricultural machines in advance;
after the equipment information and the noise data are received, acquiring a noise monitoring standard of the agricultural machine according to the stored corresponding relation between the noise acquisition device and the agricultural machine;
and if the noise data is judged to be larger than or equal to the noise upper limit value of the normal working of the farm machinery according to the noise monitoring standard and the noise data, determining that the farm machinery is in an abnormal working state.
According to the noise monitoring system and method for the agricultural machinery, the noise data generated when the agricultural machinery works are collected through the noise collecting device, the collected noise data are processed through the noise processing device to judge whether the monitored agricultural machinery is in a normal working state or not, corresponding warning is further carried out, and a noise curve generated when the monitored agricultural machinery works is drawn, so that remote monitoring and systematic management of noise generated by the agricultural machinery are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a system for monitoring noise of agricultural machinery according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a panel structure of a data transmission unit according to an embodiment of the present invention;
FIG. 3 is a block diagram of an overall construction of a system for monitoring noise of agricultural machinery in accordance with an embodiment of the present invention;
FIG. 4 is a schematic diagram of another noise monitoring system for farm machinery according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a agricultural mechanical noise monitoring curve web page in an embodiment of the invention;
FIG. 6 is a diagram of a historical web page of agricultural mechanical noise monitoring in an embodiment of the invention;
FIG. 7 is a diagram of a map of a farm mechanical noise monitoring grid in an embodiment of the present invention;
fig. 8 is a flow chart of a method for monitoring noise of agricultural machinery according to an embodiment of the invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 is a schematic structural diagram of an agricultural mechanical noise monitoring system according to an embodiment of the present invention, and as shown in fig. 1, the agricultural mechanical noise monitoring system provided by the embodiment of the present invention includes: the noise acquisition device 10 is arranged at a noise detection position, the noise acquisition device 10 comprises a data acquisition unit 101, a data transmission unit 102 and a warning unit 103, the data transmission unit 102 is respectively connected with the data acquisition unit 101 and the warning unit 103, the data acquisition unit 101 is used for acquiring noise data, and the data transmission unit 102 is used for transmitting the noise data and equipment information of the noise acquisition device 10 to the noise processing device 11; the noise processing device 11 is in wireless communication connection with the data transmission unit 102, and is configured to receive the noise data and the device information, determine whether the farm machinery corresponding to the noise acquisition device 10 is in a normal working state according to the noise data and the device information, and send a corresponding command to the warning unit 103 through the data transmission unit 102, so that the warning unit 103 performs a corresponding warning; the noise processing device 11 is further configured to draw a noise curve according to the noise data, and display the noise curve on a web page.
Specifically, the noise collection device 10 is disposed at the noise detection position, and the noise collection device 10 may be disposed on the body of the agricultural machine or in an environment where the agricultural machine operates, for collecting noise generated when the agricultural machine operates. The number of the noise collecting devices can be set according to the needs, and the embodiment of the invention is not particularly limited. The noise collection device 10 includes a data collection unit 101, a data transmission unit 102, and a warning unit 103, where the data collection unit 101 is used to collect noise generated during operation of the farm machinery, and the data collection unit 101 may be a noise sensor or other devices capable of collecting noise. The data transmission unit 102 is configured to perform data communication with the noise processing device 11, convert the noise data acquired by the noise acquisition device 10 into a digital signal, and send the digital signal and the device information of the noise acquisition device 10 to the noise processing device 11. The noise processing device 11 may be a single chip microcomputer or a processor, or other devices capable of performing data processing, and embodiments of the present invention are not limited in particular.
The noise processing device 11 receives the noise data and the device information of the noise acquisition device 10, and determines whether the farm machine corresponding to the noise data acquired by the noise acquisition device 10 is in a normal operating state according to the received noise data and the device information of the noise acquisition device 10. If it is determined that the noise data of the farm machine exceeds the noise upper limit value of the normal operation of the farm machine, it is determined that the farm machine is in an abnormal operation state, the noise processing device 11 sends a warning command to the warning unit 103 through the data transmission unit 102, and the warning unit 103 carries out corresponding warning after receiving the command so as to prompt a driver or a worker to carry out maintenance. In addition, the noise processing device 11 stores the received noise data, draws a noise curve, and displays the noise curve on a webpage so that a monitoring person can remotely monitor and inquire the noise generated when the farm machinery works. In addition, under the general condition that the farm machinery is used in a fixed manner, for example, the farm machinery A is fixed in the garden B, so that the position information of the farm machinery corresponding to each noise acquisition device can be stored in the noise processing device in advance, and when the noise curve is displayed on the webpage, the position information of the corresponding noise acquisition devices can be displayed together, so that a monitoring person can monitor the position of noise generated by the corresponding farm machinery. When the agricultural machine changes the use position, the position information thereof can be updated in the noise processing apparatus.
Wherein the warning unit 103 may be a warning lamp and/or an alarm bell, and may further divide the noise warning into different levels according to the noise level, where the noise of different levels corresponds to different warning, such as: the warning light is lighted with different colors or the alarm bell sounds with different sounds, or the low-level noise warning light is lighted, and the high-level noise alarm bell sounds.
In addition, the data acquisition unit 101 and the data transmission unit 102 in the embodiment of the present invention are separately provided, and the data acquisition unit 101 and the data transmission unit 102 may be connected by a wired or wireless connection, which is not specifically limited in the embodiment of the present invention. Thus, the data acquisition unit 101 and the data transmission unit 102 are separately arranged into separate modules, so that the volume of the data acquisition unit can be reduced, and the data acquisition unit can be independently carried and maintained. I.e. the noise collecting device 10 is actually divided into two parts, the alarm unit 103 and the data collecting unit 101 or the data transmitting unit 102 may be integrated together.
According to the noise monitoring system for the agricultural machinery, provided by the embodiment of the invention, the noise data generated when the agricultural machinery works is collected through the noise collecting device, the collected noise data is processed through the noise processing device to judge whether the monitored agricultural machinery is in a normal working state or not, corresponding warning is further carried out, and a noise curve generated when the monitored agricultural machinery works is drawn, so that remote monitoring and systematic management of noise generated by the agricultural machinery are realized.
On the basis of the embodiment, the noise processing device comprises an agricultural machinery noise monitoring standard database.
Specifically, the noise processing device comprises a noise monitoring standard database of the agricultural machinery, parameter information of the currently mainstream agricultural machinery and the noise monitoring standard of the agricultural machinery are stored in the database, and the corresponding relation between each noise acquisition device and the monitored agricultural machinery is stored in the noise processing device in advance. After the noise processing device receives the equipment information of the noise acquisition device sent by the noise acquisition device, the monitored parameter information of the agricultural machinery can be queried according to the equipment information, wherein the parameter information comprises the corresponding noise size of the agricultural machinery in normal operation, namely the noise monitoring standard of the agricultural machinery. For example: each noise acquisition device can be numbered, the corresponding relation between the number of the noise acquisition device and the agricultural machinery for acquiring noise is stored in the noise processing device in advance, and when the noise acquisition device sends the number to the noise processing device, the noise processing device can acquire the parameter information of the monitored agricultural machinery and the corresponding noise monitoring standard according to the prestored corresponding relation. The noise processing device judges whether the acquired noise data is larger than or equal to the noise upper limit value of the agricultural machine in normal operation according to the noise data acquired by the noise acquisition device and the prestored noise monitoring standard of the agricultural machine, if so, the agricultural machine is determined to be in an abnormal operation state, and corresponding warning is carried out through the warning unit.
According to the noise monitoring system for the agricultural machinery, provided by the embodiment of the invention, noise data generated during the operation of the agricultural machinery is collected through the noise collecting device, the noise monitoring standard database for the agricultural machinery is arranged in the noise processing device, the basic parameters of each agricultural machinery and the noise monitoring standard thereof are stored, and the corresponding relation between the noise collecting device and the agricultural machinery is stored in advance. The corresponding noise monitoring standard of the agricultural machinery can be obtained according to the equipment information of the noise acquisition device, whether the acquired noise data is in the noise range generated when the agricultural machinery works normally is further judged, and reasonable monitoring of the noise generated when the agricultural machinery works is realized.
On the basis of the above embodiment, the noise collecting device further includes a GPS positioning unit, and the GPS positioning unit is connected with the data transmission unit.
Specifically, a GPS positioning unit is arranged in the noise acquisition device, is connected with the data transmission unit, and is used for acquiring GPS coordinates of the noise acquisition device and transmitting the GPS coordinates to the noise processing device through the data transmission unit. The noise processing device stores the noise monitoring map in advance, and when the noise processing device receives the GPS coordinates sent by the GPS positioning unit, the noise processing device stores the corresponding noise data to the position corresponding to the GPS coordinates in the noise monitoring map, for example, a noise curve can be stored to the position corresponding to the GPS coordinates in the map, so that a user can directly inquire the noise data of each monitoring point in the noise monitoring map. Noise data of the agricultural machinery in an abnormal working state can be specially marked in the map to prompt monitoring staff to process in time. In addition, when the noise processing device draws a noise curve according to the noise data acquired by the noise acquisition device, the noise processing device can draw a farm machinery moving track corresponding to the noise acquisition device according to the acquired GPS information, and points on the track store the noise curve of corresponding GPS coordinate points.
For example: and drawing a noise monitoring map according to the noise monitoring area, storing the noise data at the position corresponding to the noise monitoring map after receiving the noise data sent by the noise acquisition device and the corresponding GPS coordinates, and displaying the noise data at the position, namely the noise curve at the position when a user clicks the position corresponding to the GPS coordinates, so that the user can visually inquire the noise data of the noise monitoring area and further manage each noise monitoring area.
According to the agricultural machinery noise monitoring system provided by the embodiment of the invention, the GPS positioning unit is arranged to acquire the GPS coordinates corresponding to the noise acquisition device, and the noise data of the position is marked at the corresponding position in the pre-stored noise monitoring map according to the GPS coordinates so as to facilitate inquiry, thereby realizing remote monitoring and systematic management of agricultural machinery noise monitoring.
On the basis of the embodiment, the noise collecting device comprises a head-mounted noise collecting device and a bracket type noise collecting device.
Specifically, the noise monitoring in the embodiment of the invention comprises the monitoring of the noise beside the ear and the monitoring of the environmental noise, wherein the noise beside the ear refers to the noise directly heard by the ear of a person, and the environmental noise refers to the noise in the working environment of agricultural machinery. The corresponding noise acquisition device comprises a head-mounted noise acquisition device and a bracket type noise acquisition device. The head-mounted noise collecting device can be worn on the head of a driver or a related worker of the agricultural machine so as to collect the noise beside the ear, the bracket type noise collecting device can be arranged in a working area of the agricultural machine, and a specific position can be set according to a working path of the agricultural machine so as to collect the environmental noise.
According to the noise monitoring system for the agricultural machinery, provided by the embodiment of the invention, through the arrangement of different noise collecting devices, not only can the environmental noise of the agricultural machinery be collected, but also the noise beside the ear can be collected, so that the collected noise data is more reasonable, and the accuracy of noise monitoring of the agricultural machinery is further improved.
On the basis of the above embodiment, the data transmission unit includes a data transmission chip, an antenna, and a battery.
Specifically, in the embodiment of the invention, the data transmission unit is arranged as an independent module, so that the volume of the data acquisition unit is reduced, and the portability of the data acquisition unit is improved. The data transmission unit comprises a data transmission chip, an antenna, a 12V rechargeable battery and a power supply adapter plate, wherein the data transmission chip is a wireless transmission chip.
Fig. 2 is a schematic diagram of a panel structure of a data transmission unit in an embodiment of the present invention, as shown in fig. 2, a panel of the data transmission unit provided in the embodiment of the present invention is divided into a left part and a right part, wherein the left panel includes a SIM card slot 21, a network signal intensity indicator lamp 22, a power indicator lamp 23, a network signal indicator lamp 24, a card slot switch 25 and an RS232 interface 26; the right panel comprises: a data transmission antenna interface 27 and a charging interface 28. It can be seen that in the embodiment of the invention, the wireless transmission unit adopts a wireless network to perform data communication, so that the data can be conveniently transmitted to a remote noise processing device. It should be noted that fig. 2 is only a schematic diagram of the panel structure of the data transmission unit, and does not represent the actual positions of the units on the panel. In practical application, the data transmission chip can be a GPRS data transmission chip, and the data transmission unit can transmit data through a GPRS network so as to ensure the stability of data transmission and the range of data transmission.
On the basis of the embodiment, the noise acquisition unit is a precise sound level meter.
Specifically, the noise acquisition unit in the embodiment of the invention is a precise sound level meter, specifically adopts a phi 12.7mm (1/2') capacitor microphone, has sensitivity of 30mV/Pa, has a measurable frequency range of 10 Hz-20000 Hz, has instrument precision conforming to IEC61672-1 level standard, can reach +/-0.7 db, has two data transmission of A weight or C weight, and can output digital signals outwards through an RS232 interface.
According to the noise monitoring system for the agricultural machinery, provided by the embodiment of the invention, the precision sound level meter is utilized to collect noise data of the agricultural machinery, so that the accuracy of noise data collection can be improved, the guarantee is provided for the subsequent data processing work, and the accuracy of noise monitoring of the agricultural machinery is further improved. And the data is remotely transmitted through the GPSR network, and remote sharing of the acquired data is realized by utilizing a WEB technology. The sound level meter of the national 1-level standard is adopted in the aspect of sound level meter, so that the accuracy of noise data is ensured; and the YJ400 wireless transmission module is adopted, so that the safety and reliability of wireless transmission are ensured.
Fig. 3 is a block diagram of the overall structure of an agricultural machinery noise monitoring system according to an embodiment of the present invention, fig. 4 is a schematic block diagram of another agricultural machinery noise monitoring system according to an embodiment of the present invention, as shown in fig. 3 and fig. 4, in the agricultural machinery noise monitoring system according to an embodiment of the present invention, noise data of an agricultural machinery during operation can be collected by a noise sensor in a precision sound level meter, and the noise data can be transmitted to a network transmitter, namely, a data transmission unit, through an RS232 serial port in a wired manner, a GPS positioning unit, a wireless communication module and a battery are provided in the network transmitter, and the GPS positioning unit is provided in the network transmitter and is connected with the wireless communication module through a wired connection serial port, wherein the wireless communication module is a wireless transmission chip. It should be noted that, the network transmitter in fig. 3 and fig. 4 is the data transmission unit described in the foregoing embodiment, and the server is the noise processing device described in the foregoing embodiment, so it can be seen that in the embodiment of the present invention, the data transmission unit and the noise processing device perform wireless communication through the GPRS network. In addition, the bottom of the network transmitter of the bracket type noise acquisition device is provided with the magnet and the triangular bracket, so that the installation and the fixation of the network transmitter can be facilitated, and the device is suitable for various detection environments. The wireless receiving module is arranged in the network transmitter and is in wireless communication connection with the wireless communication module of the network transmitter by utilizing the GPRS network, noise data and GPS data are sent to a server, namely a noise processing device, and the noise processing device processes and stores the received data. The server is also provided with a database which can inquire the noise monitoring standard of the agricultural machinery and further judge whether the monitored agricultural machinery is in a normal working state so as to realize noise monitoring and management of the agricultural machinery. The collected noise data can be drawn into a noise curve and displayed through a webpage, so that a user can monitor the working noise of the agricultural machinery remotely. In addition, historical information of the working noise of the agricultural machinery can be queried, and noise data can be correspondingly marked in the noise monitoring map, so that a user can intuitively query the noise data of each noise monitoring area through the map, and user experience is improved.
Fig. 5 is a schematic diagram of a webpage of a noise monitoring curve of agricultural machinery in an embodiment of the present invention, as shown in fig. 5, in the embodiment of the present invention, noise data collected by a sound level meter is drawn into a noise curve, and the noise curve is displayed on the webpage, wherein the ordinate of the curve in the figure is the noise magnitude, and the abscissa is the time, so that the noise data of the monitored agricultural machinery changing along with the time can be seen, and the noise data monitoring is more visual. Fig. 6 is a schematic diagram of a historical webpage of noise monitoring of agricultural machinery in an embodiment of the present invention, as shown in fig. 6, in the noise monitoring system provided in the embodiment of the present invention, collected noise data is stored according to data collection time, and a user can query the noise data history of each period of time of the monitored agricultural machinery in a webpage platform of the noise monitoring system. Fig. 7 is a schematic diagram of a map web page of agricultural mechanical noise monitoring in an embodiment of the present invention, as shown in fig. 7, a map track of noise monitoring may be queried in a web page platform of a noise monitoring system, and a user may query a noise data record of a specific monitoring point in the map track by clicking the specific monitoring point.
The agricultural machinery noise monitoring system provided by the embodiment of the invention has the advantages that the structure is simple, the operation is convenient, the noise level meter can acquire noise data in real time and send the noise data to the noise processing device, the noise processing device is used for processing, storing and displaying the noise data, manual operation is not needed, the real-time performance and accuracy of noise data acquisition are improved, the manual labor amount is reduced, a user can directly monitor noise on a webpage platform, inquire historical data and the like, and remote monitoring, data sharing and systematic management of agricultural machinery noise monitoring are realized.
Fig. 8 is a schematic flow chart of an agricultural mechanical noise monitoring method according to an embodiment of the present invention, and as shown in fig. 8, the agricultural mechanical noise monitoring method provided by the embodiment of the present invention includes:
s1, collecting data, namely collecting noise data at a position to be detected through a noise collecting device, and sending equipment information of the noise collecting device and the noise data to a noise processing device through a data transmission unit;
specifically, after the noise collection device is arranged at a proper position, if the head-mounted noise collection device is worn on the head of a driver, the bracket-type noise collection device is arranged in the working range of the agricultural machinery, and the noise collection device can collect noise data generated when the agricultural machinery works. The data transmission unit transmits the acquired noise data and the equipment information of the noise acquisition device to the noise processing device.
S2, data processing, wherein a noise processing device judges whether the agricultural machinery corresponding to the noise acquisition device is in a normal working state or not according to the noise data and the equipment information, and if the agricultural machinery is judged to be in an abnormal working state, the noise processing device alarms through an alarm unit;
specifically, after receiving the equipment information and the collected noise data sent by the noise collection device, the noise processing device judges whether the farm machinery corresponding to the noise data collected by the noise collection device is in a normal working state according to the received equipment information and the noise data. If judging that the agricultural machine is in an abnormal working state, warning through a warning unit to prompt a driver or related staff to overhaul. The specific warning manner is the same as that of the above embodiment, and will not be described herein.
And S3, data monitoring, wherein the noise processing device stores the received noise data, draws a noise curve according to the noise data and displays the noise curve in the webpage.
Specifically, after receiving the noise data, the noise processing device stores the received noise data, draws a noise curve and displays the noise curve in a webpage for monitoring staff to inquire.
According to the noise monitoring method for the agricultural machinery, the noise data generated when the agricultural machinery works are collected through the noise collecting device, the collected noise data are processed through the noise processing device to judge whether the monitored agricultural machinery is in a normal working state or not, corresponding warning is further carried out, and a working noise curve of the monitored agricultural machinery is drawn, so that remote monitoring and systematic management of the noise of the agricultural machinery are achieved.
On the basis of the above embodiment, the method further includes: the noise acquisition device is also used for acquiring GPS data, and correspondingly, the noise processing device marks the noise data at the corresponding position of the noise monitoring map according to the GPS data.
Specifically, the noise acquisition device is also provided with a GPS positioning unit, which is used for acquiring GPS coordinates of the noise acquisition device and simultaneously transmitting the acquired coordinates and corresponding noise data to the noise processing device. The noise processing device marks the corresponding noise data at the position corresponding to the GPS coordinates in the noise monitoring map so that a user can directly inquire the noise data of the monitoring points in the noise monitoring map.
According to the agricultural machinery noise monitoring method provided by the embodiment of the invention, the GPS positioning unit is arranged to collect the GPS coordinates corresponding to the noise collecting device, and the noise data of the position is marked at the corresponding position in the pre-stored noise monitoring map according to the GPS coordinates so as to facilitate inquiry, thereby realizing remote monitoring and systematic management of agricultural machinery noise monitoring.
On the basis of the above embodiment, the determining whether the farm machine is in a normal working state according to the noise data and the device information includes:
the noise processing device stores noise monitoring standards of all agricultural machines and the corresponding relation between the noise acquisition device and the agricultural machines in advance;
after the equipment information and the noise data are received, acquiring a noise monitoring standard of the agricultural machine according to the stored corresponding relation between the noise acquisition device and the agricultural machine;
and if the noise data is judged to be larger than or equal to the noise upper limit value of the normal working of the farm machinery according to the noise monitoring standard and the noise data, determining that the farm machinery is in an abnormal working state.
Specifically, the noise processing device is provided with a database for storing noise monitoring standards corresponding to various agricultural machines and the corresponding relation between the noise acquisition device and each agricultural machine. When the noise processing device receives the noise data and the equipment information sent by the noise acquisition device, the noise monitoring standard of the agricultural machine corresponding to the noise acquisition device, namely the parameter information of the agricultural machine and the noise during normal operation of the agricultural machine, can be acquired through the database. And judging whether the acquired noise data is greater than or equal to the noise upper limit value of the normal operation of the farm machinery according to the acquired noise data and the noise monitoring standard stored in the database. If the collected noise data is larger than or equal to the stored noise upper limit value when the agricultural machine works normally, the agricultural machine is determined to be in an abnormal working state, the noise processing device can send a warning command to the warning unit through the data transmission module, and the warning unit warns according to the received command to prompt a driver or related staff to overhaul.
According to the noise monitoring system and method for the agricultural machinery, the noise collecting device is used for collecting noise data generated when the agricultural machinery works, the collected data are sent to the noise processing device through the wireless network, the noise processing device is used for processing the received data, and the monitored noise data curve, the map track and the stored history record are displayed on the webpage, so that remote monitoring and inquiry of a user are facilitated, and remote monitoring and systematic management of noise monitoring of the agricultural machinery are achieved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. An agricultural machine noise monitoring system, comprising: the noise processing device and the noise acquisition device are arranged at a noise detection position, the noise acquisition device comprises a data acquisition unit, a data transmission unit and a warning unit, the data transmission unit is respectively connected with the data acquisition unit and the warning unit, and the data acquisition unit is used for acquiring noise data and transmitting the noise data and equipment information of the noise acquisition device to the noise processing device through the data transmission unit;
the noise processing device is in wireless communication connection with the data transmission unit and is used for receiving the noise data and the equipment information, judging whether the agricultural machinery corresponding to the noise acquisition device is in a normal working state or not according to the noise data and the equipment information, and sending a corresponding command to the warning unit through the data transmission unit so as to enable the warning unit to carry out corresponding warning;
the noise processing device is also used for drawing a noise curve according to the noise data and displaying the noise curve on a webpage;
the noise acquisition device further comprises a GPS positioning unit, wherein the GPS positioning unit is connected with the data transmission unit and is used for acquiring GPS coordinates of the noise acquisition device and sending the GPS coordinates to the noise processing device through the data transmission unit, and correspondingly, the noise processing device marks the noise data at a position corresponding to the GPS coordinates in a noise monitoring map according to the GPS coordinates;
the noise processing device is used for drawing a moving track of the farm machinery corresponding to the noise acquisition device according to the acquired GPS information when drawing a noise curve according to the noise data acquired by the noise acquisition device, and points on the moving track store the noise curve of corresponding GPS coordinate points.
2. The system of claim 1, wherein the noise processing means comprises an agricultural machinery noise monitoring criteria database.
3. The system of claim 1, wherein the noise collection device comprises a head-mounted noise collection device and a cradle noise collection device.
4. The system of claim 1, wherein the data transmission unit comprises a data transmission chip, an antenna, and a battery.
5. The system of claim 1, wherein the alert unit comprises: warning lights and/or bells.
6. The system of any one of claims 1-5, wherein the noise acquisition unit is a precision sound level meter.
7. A method for monitoring noise of an agricultural machine, comprising:
collecting data, namely collecting noise data at a position to be detected through a noise collecting device, and sending equipment information of the noise collecting device and the noise data to a noise processing device through a data transmission unit;
the data processing device judges whether the agricultural machinery is in a normal working state or not according to the noise data and the equipment information, and if the noise processing device judges that the agricultural machinery corresponding to the noise acquisition device is in an abnormal working state, the noise processing device alarms through the alarm unit;
the data monitoring and noise processing device stores the received noise data, draws a noise curve according to the noise data and displays the noise curve in the webpage;
the method further comprises the steps of: the noise acquisition device is also used for acquiring GPS coordinates through a GPS positioning unit in the noise acquisition device, and correspondingly, the noise processing device marks the noise data at the corresponding position of the GPS coordinates in a noise monitoring map according to the GPS coordinates, and the GPS positioning unit is connected with the data transmission unit and used for acquiring the GPS coordinates of the noise acquisition device and transmitting the GPS coordinates to the noise processing device through the data transmission unit;
the noise processing device is used for drawing a moving track of the farm machinery corresponding to the noise acquisition device according to the acquired GPS information when drawing a noise curve according to the noise data acquired by the noise acquisition device, and points on the moving track store the noise curve of corresponding GPS coordinate points.
8. The method of claim 7, wherein determining whether the farm machine is in a normal operating state based on the noise data and the device information comprises:
the noise processing device stores noise monitoring standards of all agricultural machines and the corresponding relation between the noise acquisition device and the agricultural machines in advance;
after the equipment information and the noise data are received, acquiring a noise monitoring standard of the agricultural machine according to the stored corresponding relation between the noise acquisition device and the agricultural machine;
and if the noise data is judged to be larger than or equal to the noise upper limit value of the normal working of the farm machinery according to the noise monitoring standard and the noise data, determining that the farm machinery is in an abnormal working state.
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| CN109323758B (en) * | 2018-11-19 | 2021-10-22 | 国网四川省电力公司电力科学研究院 | Self-calibrated substation boundary noise continuous monitoring system |
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