CN111381521A - Dust collecting equipment management system - Google Patents
Dust collecting equipment management system Download PDFInfo
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- CN111381521A CN111381521A CN202010235769.7A CN202010235769A CN111381521A CN 111381521 A CN111381521 A CN 111381521A CN 202010235769 A CN202010235769 A CN 202010235769A CN 111381521 A CN111381521 A CN 111381521A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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Abstract
The invention discloses a management system of dust collecting equipment, and relates to the technical field of dust collecting equipment. The system comprises: the system comprises an acquisition device, a control subsystem and a data sending subsystem; the control subsystem is used for acquiring the data signals acquired by the acquisition device and processing, judging and alarming the data signals; and the data sending subsystem is used for sending and storing the data and the alarm information in the control subsystem to the server through a wireless network. The collecting device collects data of the dust collector running on site in real time, automatic monitoring and control are carried out through the control subsystem, meanwhile, the data sending subsystem transmits the data running in real time to the server, remote monitoring can be carried out on the dust collecting equipment through the client, real-time monitoring and remote management are achieved, and the running efficiency of the dust collecting equipment is improved.
Description
Technical Field
The invention relates to the technical field of dust collecting equipment, in particular to a management system of dust collecting equipment.
Background
The electric control bag type dust collector has higher automation degree and dust collection efficiency of 99.9 percent, but the bag type dust collector is easy to dewfall and harden the bag wall when being shut down for use, thus causing the increase of airflow resistance, the blockage of a flue gas channel, the increase of power consumption and the reduction of dust collection efficiency. The dust remover works in a high-temperature, high-humidity and high-corrosion environment, the working condition is complex and severe, and faults are easy to occur in the operation process. Especially, some users can not find out the operation problem of the dust collecting equipment in time because the maintenance and the management of the dust collecting equipment are not in place.
Disclosure of Invention
The invention aims to provide a dust collecting equipment management system, which solves the problem that the operation problem of dust collecting equipment cannot be found in time.
In order to achieve the purpose, the invention provides the following scheme:
a dust collecting apparatus management system comprising: the system comprises an acquisition device, a control subsystem and a data sending subsystem;
the acquisition device is electrically connected with the control subsystem and is used for acquiring data signals of dust collection equipment;
the control subsystem is connected with the data sending subsystem through a point-to-point interface communication protocol, and is used for acquiring data signals acquired by the acquisition device, and processing, judging and alarming the data signals;
and the data sending subsystem is used for sending and storing the data and the alarm information in the control subsystem to a server through a wireless network.
Optionally, the collecting device specifically includes: temperature sensors, current sensors and pressure sensors;
the temperature sensor, the current sensor and the pressure sensor are all electrically connected with the control subsystem;
the temperature sensor is arranged in the dust collecting equipment and is used for collecting a temperature signal of the dust collecting equipment;
the current sensor is arranged on a screw conveyor of the dust collecting equipment and is used for collecting current signals of the screw conveyor;
the pressure sensors include a first pressure sensor and a second pressure sensor; the first pressure sensor is arranged on an air inlet pipe and an air outlet pipe of the dust collecting equipment and is used for collecting pressure signals of the air inlet pipe and the air outlet pipe;
the second pressure sensor is arranged on an air bag of the dust collecting equipment and used for collecting a blowing pressure signal of a pulse valve of the dust collecting equipment.
Optionally, the control subsystem is further electrically connected to an induced draft fan of the dust collecting device, and is configured to collect a frequency signal of a frequency converter of the induced draft fan.
Optionally, the control subsystem specifically includes:
the acquisition module is used for acquiring the data signals acquired by the acquisition device and the frequency signals of the frequency converter of the induced draft fan;
the data conversion module is used for converting all the signals acquired by the acquisition module into data values and calculating the frequency of the induced draft fan by using the frequency value of the frequency converter of the induced draft fan; the data values include: the temperature value of the dust collection equipment, the current value of the screw conveyor, the pressure value of the air inlet pipe, the pressure value of the air outlet pipe, the blowing pressure value of the pulse valve, the frequency value of a frequency converter of the induced draft fan and the frequency of the induced draft fan are measured;
the judging module is used for comparing the data value with a preset threshold value and judging whether to alarm or not; if the alarm is given, an alarm signal is sent to the alarm module;
and the alarm module is used for giving an alarm according to the alarm signal.
Optionally, the determining module specifically includes:
the temperature judging unit is used for judging whether the temperature value is smaller than a preset temperature lower limit value or not to obtain a first judging result; if the first judgment result is yes, sending an over-temperature alarm signal to the alarm module;
the blowing pressure judging unit is used for judging whether the blowing pressure value is greater than a preset blowing pressure lower limit value and smaller than a preset blowing pressure upper limit value or not to obtain a second judgment result; if the second judgment result is negative, sending an abnormal blowing pressure alarm signal to the alarm module;
the air port pressure difference judging unit is used for judging whether the difference between the pressure value of the air inlet pipe and the pressure value of the air outlet pipe is greater than a preset air port pressure lower limit value and smaller than a preset air port pressure upper limit value or not to obtain a third judgment result; if the third judgment result is negative, sending an alarm signal of abnormal air port pressure to the alarm module;
the induced draft fan frequency judging unit is used for judging whether the frequency of the induced draft fan is greater than a preset induced draft fan frequency lower limit value and less than a preset induced draft fan frequency upper limit value or not to obtain a fourth judging result; if not, sending an alarm signal of the abnormal frequency of the induced draft fan to the alarm module;
the spiral transportation current judging unit is used for judging whether the current value of the spiral transportation machine is larger than a preset spiral transportation current lower limit value and smaller than a preset spiral transportation current upper limit value or not to obtain a fifth judging result; if not, sending an alarm signal of abnormal spiral operation current to the alarm module; the preset threshold includes: the preset temperature lower limit value, the preset injection pressure upper limit value, the preset air port pressure lower limit value, the preset air port pressure upper limit value, the preset induced draft fan frequency lower limit value, the preset induced draft fan frequency upper limit value, the preset screw operation current lower limit value and the preset screw operation current upper limit value; the alarm information includes: the temperature is low, the injection pressure is abnormal, the air port pressure is abnormal, the frequency of the induced draft fan is abnormal, and the spiral operation current is abnormal.
Optionally, the dust collecting device management system further includes: a client; the client is connected with the server through the Internet;
the client is used for acquiring and displaying the data stored in the server, acquiring and displaying the alarm information in the server, acquiring the input preset threshold value change value and sending the preset threshold value change value to the control subsystem through the server.
Optionally, the control subsystem further includes:
and the preset threshold modifying module is used for acquiring the preset threshold modifying value and modifying the preset threshold according to the preset threshold modifying value.
Optionally, the control subsystem is further electrically connected with a screw conveyer of the dust collecting equipment;
the control subsystem further comprises:
the spiral conveyer control module is used for controlling the start and stop of the spiral conveyer according to the preset spiral conveyer running time and the preset spiral conveyer unloading interval time;
and the pulse valve control module is used for controlling the starting and stopping of the pulse valve according to the preset pulse blowing time.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention provides a dust collecting equipment management system. The system comprises: the system comprises an acquisition device, a control subsystem and a data sending subsystem; the acquisition device is electrically connected with the control subsystem and is used for acquiring data signals of the dust collection equipment; the control subsystem is connected with the data sending subsystem through a PPI communication protocol and is used for acquiring data signals acquired by the acquisition device, and processing, judging and alarming the data signals; and the data sending subsystem is used for sending and storing the data and the alarm information in the control subsystem to the server through a wireless network. The data of the dust collecting equipment such as a dust remover running in real time on site are collected by the collecting device, automatic monitoring and control are carried out through the control subsystem, meanwhile, the data of the real-time running are transmitted to the server through the data sending subsystem, remote monitoring can be carried out on the dust collecting equipment through a webpage or a client, real-time monitoring and remote management are achieved, the running efficiency of the dust collecting equipment is improved, the enterprise operation cost is reduced, and the enterprise benefit is improved. Meanwhile, the dust collecting equipment management system can master the running performance of the equipment in different geographical areas and different working conditions by remotely monitoring and collecting long-term running data of the dust collector, and provides the truest and precious scientific data information and technical support for the subsequent technical improvement and new product research and development of the dust collecting equipment. In addition, engineers and technicians can research and analyze real-time data acquired by the acquisition device through the server, carry out fault prejudgment on the running state and the performance of the dust collection equipment in advance, and guide users to maintain the equipment before faults occur; the working state of the dust collecting equipment can be adjusted in time by modifying the preset threshold value of the control subsystem through a webpage or a client.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a structural diagram of a dust collecting apparatus management system according to an embodiment of the present invention.
Description of the symbols: 101. a collection device; 102. a control subsystem; 103. a data transmission subsystem; 104. a server; 105. and (4) a client.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a dust collecting equipment management system, which solves the problem that the operation problem of dust collecting equipment cannot be found in time.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The embodiment provides a management system of dust collecting equipment, and the dust collecting equipment is a dust remover. Fig. 1 is a structural diagram of a dust collecting apparatus management system according to an embodiment of the present invention. Referring to fig. 1, the dust collecting apparatus management system includes:
the system comprises an acquisition device 101, a control subsystem 102 and a data transmission subsystem 103.
The acquisition device 101 is electrically connected with the control subsystem 102, and the acquisition device 101 is used for acquiring data signals of dust collection equipment.
The collection device 101 specifically includes: temperature sensors, current sensors, and pressure sensors.
The temperature sensor, the current sensor and the pressure sensor are all electrically connected with the control subsystem.
The temperature sensor is arranged in the dust collecting equipment and used for collecting temperature signals of the dust collecting equipment. The temperature sensor is specifically installed inside the dust remover box and is specifically used for collecting temperature signals of the dust remover box.
The current sensor is arranged on a screw conveyor of the dust collecting equipment and is used for collecting current signals of the screw conveyor. The current sensor is specifically arranged on a screw conveyor in an electric control cabinet of the dust collecting equipment.
The pressure sensors comprise a first pressure sensor and a second pressure sensor; the first pressure sensor is arranged on an air inlet pipe and an air outlet pipe of the dust collecting equipment and used for collecting pressure signals of the air inlet pipe and pressure signals of the air outlet pipe. The first pressure sensors are specifically arranged on an air inlet pipe and an air outlet pipe of the dust remover, and the number of the first pressure sensors is preferably two or more.
And the second pressure sensor is arranged on an air bag of the dust collecting equipment and is used for collecting a blowing pressure signal of a pulse valve of the dust collecting equipment.
The control subsystem 102 is connected to the data sending subsystem 103 through a Point-to-Point interface (PPI) communication protocol, and the control subsystem 102 is configured to obtain a data signal collected by the collection device, and process, determine, and alarm the data signal.
The control subsystem is also electrically connected with an induced draft fan of the dust collecting equipment and is used for collecting frequency signals of a frequency converter of the induced draft fan.
The control subsystem 102 specifically includes:
and the acquisition module is used for acquiring the data signal acquired by the acquisition device and the frequency signal of the frequency converter of the induced draft fan. The data signal that collection system gathered includes: temperature signals of a box body of the dust remover, current signals of the spiral conveyer, pressure signals of the air inlet pipe, pressure signals of the air outlet pipe and blowing pressure signals of the pulse valve.
The data conversion module is used for converting all the signals acquired by the acquisition module into data values and calculating the frequency of the induced draft fan by using the frequency value of the frequency converter of the induced draft fan; the data values include: the temperature value of the dust collection equipment, the current value of the screw conveyor, the pressure value of the air inlet pipe, the pressure value of the air outlet pipe, the blowing pressure value of the pulse valve, the frequency value of a frequency converter of the induced draft fan and the frequency of the induced draft fan; the frequency of the induced draft fan is the frequency value of the induced draft fan.
The judging module is used for comparing the data value with a preset threshold value and judging whether to alarm or not; and if the alarm is given, sending an alarm signal to the alarm module.
The judging module specifically comprises:
the temperature judging unit is used for judging whether the temperature value is smaller than a preset temperature lower limit value or not to obtain a first judging result; and if so, sending an over-temperature alarm signal to the alarm module.
The blowing pressure judging unit is used for judging whether the blowing pressure value is greater than a preset blowing pressure lower limit value and less than a preset blowing pressure upper limit value or not to obtain a second judgment result; and if the second judgment result is negative, sending an abnormal blowing pressure alarm signal to the alarm module.
The air port pressure difference judging unit is used for judging whether the difference between the pressure value of the air inlet pipe and the pressure value of the air outlet pipe is greater than a preset air port pressure lower limit value and smaller than a preset air port pressure upper limit value or not to obtain a third judgment result; and if the third judgment result is negative, sending an alarm signal of abnormal air port pressure to the alarm module.
The induced draft fan frequency judging unit is used for judging whether the frequency of the induced draft fan is greater than a preset induced draft fan frequency lower limit value and less than a preset induced draft fan frequency upper limit value or not to obtain a fourth judgment result; and if the fourth judgment result is negative, sending an induced draft fan frequency abnormity alarm signal to the alarm module.
The spiral transportation current judging unit is used for judging whether the current value of the spiral transportation machine is larger than a preset spiral transportation current lower limit value and smaller than a preset spiral transportation current upper limit value or not to obtain a fifth judging result; if not, sending an alarm signal of abnormal spiral operation current to an alarm module; the preset threshold includes: the method comprises the steps of presetting a lower temperature limit value, a lower blowing pressure limit value, an upper blowing pressure limit value, a lower air port pressure limit value, an upper air port pressure limit value, a lower induced draft fan frequency limit value, an upper induced draft fan frequency limit value, a lower spiral transport current limit value and an upper spiral transport current limit value.
And the alarm module is used for giving an alarm according to the alarm signal.
The data sending subsystem 103 is used for sending and storing data and alarm information in the control subsystem to the server 104 and/or the internet through a wireless network; the alarm information includes: an over-low temperature alarm signal, an abnormal blowing pressure alarm signal, an abnormal air port pressure alarm signal, an abnormal induced draft fan frequency alarm signal and an abnormal spiral operation current alarm signal. Server 104 and/or the internet are used to store data in the control subsystem transmitted by the data transmission subsystem.
The dust collecting apparatus management system further includes: a client 105; the client 105 is connected to the server 104 via the internet.
The client 105 is configured to obtain and display data stored in the server, obtain and display alarm information in the server, obtain an input preset threshold value change value, and send the preset threshold value change value to the control subsystem through the server. In practical application, the server can be accessed through an internet webpage, and the alarm information and the stored data in the server can be acquired and displayed through the internet webpage.
The control subsystem further includes: and the preset threshold modifying module is used for acquiring the preset threshold modifying value and modifying the preset threshold according to the preset threshold modifying value. The preset threshold further comprises: presetting the operation time of the screw conveyer, presetting the unloading interval time of the screw conveyer and presetting the pulse blowing time. The preset operation time of the screw conveyer is the preset timing unloading time of the screw conveyer, and the preset pulse injection time is the preset pulse valve pulse injection interval time.
The control subsystem is also electrically connected with a screw conveyer of the dust collecting equipment. The control subsystem is also used for controlling the operation of the dust collecting equipment according to the preset operation time of the screw conveyer, the preset unloading interval time of the screw conveyer and the preset pulse blowing time.
The control subsystem further includes:
and the spiral conveyer control module is used for controlling the start and stop of the spiral conveyer according to the preset spiral conveyer running time and the preset spiral conveyer unloading interval time.
And the pulse valve control module is used for controlling the starting and stopping of the pulse valve according to the preset pulse blowing time.
The control system is a control center of a dust collection equipment management system, and is an automatic control system which automatically controls the operation of the screw conveyor and the pulse valve according to a preset threshold value by converting electric signals sent by a temperature sensor, a current sensor and a pressure sensor and frequency signals of a frequency converter of an induced draft fan into actual data values, collects and outputs temperature data, pressure data, current data and frequency data, and controls the screw conveyor and the pulse valve into a whole. The temperature data comprises a temperature signal and a temperature value of the dust collecting equipment; the pressure data comprises a pressure signal of the air inlet pipe, a pressure signal of the air outlet pipe, a blowing pressure signal of the pulse valve, a pressure value of the air inlet pipe, a pressure value of the air outlet pipe and a blowing pressure value of the pulse valve; the current data comprises a current signal and a current value of the screw conveyor; the frequency data comprises a frequency converter frequency signal of the induced draft fan, a frequency converter frequency value of the induced draft fan and the frequency of the induced draft fan.
The data transmission subsystem can read data signals collected by the control subsystem, converted data values and preset threshold values, the data transmission module integrated in the data transmission subsystem transmits data in the control subsystem to the internet or a server through a wireless network, and the data in the control subsystem comprises: the data signal, the data value and the preset threshold value, wherein the wireless network comprises a 4G network and an Ethernet; the preset threshold value can be modified according to the data sent by the data sending subsystem to the server, namely the data in the control subsystem, and the change value of the preset threshold value is rewritten into the control subsystem.
An engineer and/or a technician can consult, analyze, download and compare data in the control subsystem through an internet webpage and/or a client, further judge the working efficiency of the dust collecting equipment, pre-judge possible faults of the dust collecting equipment, remotely modify a preset threshold through the internet webpage and/or the client, adjust the running state of the dust collecting equipment and improve the working efficiency of the dust collecting equipment; and equipment information, user information and the like of the dust collecting equipment can be remarked. The data types in the server can be divided into real-time data, historical data, real-time alarm information and historical alarm information, wherein the real-time data are data signals and converted data values of dust collecting equipment which are collected by the control subsystem in real time; the historical data is various data values stored by the server within a set time range; the real-time alarm information is alarm information existing in real time; the historical alarm information is the alarm information stored in a set time range. An engineer and/or a technician can instruct a user of the dust collecting equipment to carry out troubleshooting on the dust collecting equipment through an alarm information telephone.
Dust collecting equipment needs to compare and judge dust collecting equipment's state according to different threshold values in different trades such as chemical fertilizer trade, composite board trade and mining industry, and this embodiment uses the chemical fertilizer trade as a column, provides a dust collecting equipment and presets the specific implementation mode of threshold value:
judging the possibility of material condensation according to the temperature of the box body of the dust remover: the preset temperature lower limit value is 75 ℃ (centigrade), and when the temperature of the dust remover box is less than 75 ℃, the gas in the box is easy to condense, and the powdered fertilizer in the box is easy to damp and agglomerate, so that the powdered fertilizer cannot fall off from the inner wall of the box and is guided to the blockage. The temperature judging unit judges that when the temperature of the box body is lower than a preset temperature lower limit value, a temperature over-low alarm signal is sent to the alarm module, the alarm module sends alarm information containing the over-low alarm signal, the alarm information is collected by the data sending subsystem and is sent to the server through the Internet, an Internet webpage and/or a client retrieves the alarm information of the server and then displays the alarm information, an engineer and/or a technician receives the alarm information and then timely instructs a user of the dust collecting equipment to check whether a steam pipeline of the dust collecting equipment is blocked, broken or the temperature sensor is damaged, and the like, so that possible faults of the dust collecting equipment can be eliminated as soon as possible.
Judging whether the air source is normal or not and whether the blowing effect is ideal or not according to the blowing pressure of the pulse valve: the normal injection pressure of the pulse valve is in a range of 0.3Mpa (megapascal) to 0.4Mpa, the physical characteristics of the induced draft fan, the cloth bag and the powder determine the injection pressure, if the injection pressure is too low, the chemical fertilizer powder adsorbed on the surface of the cloth bag cannot be cleaned, so that the air flow resistance is increased, the air volume is reduced, and the dust collection effect is not ideal; if the blowing pressure is too high, the cloth bag is damaged by long-term blowing. The lower limit value of the preset injection pressure is 0.3Mpa, the upper limit value of the preset injection pressure is 0.5Mpa or 0.45Mpa, the judgment of the injection pressure judgment unit, when the injection pressure value is lower than the preset injection pressure lower limit value or higher than the preset injection pressure upper limit value, an abnormal injection pressure alarm signal is sent to an alarm module, the alarm module sends alarm information containing the abnormal injection pressure alarm signal, the alarm information is collected by a data sending subsystem and is sent to a server through the Internet, an Internet webpage and/or a client retrieves the alarm information of the server and then displays the alarm information, and an engineer and/or a technician receives the alarm information and then timely instructs a user of the dust collection equipment to check whether an air compressor of the dust collection equipment is normal, whether an air valve of an air supply pipeline is normally opened, whether a pulse valve is damaged and the like, so that possible faults of the dust collection equipment are eliminated as soon.
Whether the sack is pasted or damaged, whether the lift cylinder normally works, whether the box and the tuber pipe have cracks and whether the jetting effect is ideal are judged according to the air port pressure difference: the pressure difference of the air ports is in the range of 560Pa (pascal) to 1300Pa, the pressure difference of the air ports is the difference between the pressure value of the air inlet pipe and the pressure value of the air outlet pipe, the pressure difference of the air inlet pipe and the air outlet pipe of the dust remover reflects the air permeability of the cloth bag, and if the pressure difference is too small, the cloth bag is possibly damaged or a box body and an air pipe are cracked; if the pressure difference is too large, which indicates that the air permeability of the cloth bag is poor, the cloth bag may be stuck or the blowing pressure is insufficient, and the lifting cylinder may not work normally. The lower limit value of the preset air port pressure is 560Pa, the upper limit value of the preset air port pressure is 1300Pa, the judgment of the air port pressure difference judgment unit is that when the air port pressure difference is lower than the lower limit value of the preset air port pressure or higher than the upper limit value of the preset air port pressure, an air port pressure abnormity alarm signal is sent to the alarm module, the alarm module sends alarm information containing the air port pressure abnormity alarm signal, the alarm information is collected by the data sending subsystem and is transmitted to the server through the Internet, the Internet webpage and/or the client retrieve the alarm information of the server and then display the alarm information, an engineer and/or a technician receives the alarm information and then calls a user of the dust collection equipment to check whether a cloth bag of the dust collection equipment is broken, whether a box air pipe is deformed and broken, whether a poppet valve works normally, whether the blowing, and eliminating possible faults of the dust collecting equipment as soon as possible. In practical application, engineers and/or technicians can also analyze historical data of the air port pressure difference and judge the state of the cloth bag according to the change of the air port pressure difference, for example, the difference between the pressure value of the air inlet pipe and the pressure value of the air outlet pipe of the dust remover box body is slowly increased within a long period of time (more than one week), which indicates that the cloth bag is possibly burnt; the difference between the pressure value of the air inlet pipe and the pressure value of the air outlet pipe of the dust collector box body is suddenly reduced in a short time (such as one hour), which indicates that the cloth bag is possibly damaged.
Whether the lifting cylinder works normally or not, whether the box body and the air pipe have cracks or not and whether the cloth bag is stuck with paste is judged according to the frequency of the draught fan: the frequency of the induced draft fan is within the range of 10Hz (hertz) to 50Hz, the lower limit value of the preset induced draft fan frequency is 10Hz, the upper limit value of the preset induced draft fan frequency is 50Hz, the induced draft fan frequency is judged by the induced draft fan frequency judging unit after the induced draft fan frequency is calculated by the data conversion module by utilizing the collected frequency converter frequency signal of the induced draft fan in the electric control cabinet, when the frequency of the induced draft fan is lower than the preset induced draft fan frequency lower limit value or higher than the preset induced draft fan frequency upper limit value, sending an induced draft fan frequency abnormity alarm signal to an alarm module, sending alarm information containing the induced draft fan frequency abnormity alarm signal by the alarm module, collecting the alarm information by a data sending subsystem and transmitting the alarm information to a server through the Internet, displaying the alarm information after an Internet webpage and/or a client retrieves the alarm information of the server, and retrieving induced draft fan frequency data in the server in the Internet webpage and/or the client after an engineer and/or a technician receives the alarm information. The frequency of the induced draft fan is not required to be adjusted under the condition of certain user output, so that engineers and/or technicians can judge possible problems of the dust remover by inquiring and analyzing the frequency of the induced draft fan and combining historical data of the pressure difference of the air ports of the dust remover, and guide users to check whether a box air pipe of the dust collecting equipment is deformed and broken, whether a lifting valve works normally, whether a bag is stuck and the like, and find and eliminate possible faults of the dust collecting equipment.
Judging whether the work of the screw conveyor is normal or not, whether a motor bearing (a transmission chain) is damaged or not, whether a speed reducer is normal or not and whether the timing discharge is clean or not according to the current of the screw conveyor: the current of the screw conveyor is in a range of 5A (ampere) to 7A, the dust absorption amount of the dust remover is basically constant under the condition of a certain user output, the lower limit value of the preset screw conveyor current is 5A, the upper limit value of the preset screw conveyor current is 7A, the screw conveyor current judgment unit judges that when the current value of the screw conveyor is lower than the lower limit value of the preset screw conveyor current or higher than the upper limit value of the preset screw conveyor current, an abnormal screw conveyor current alarm signal is sent to an alarm module, the alarm module sends alarm information containing the abnormal screw conveyor current alarm signal, the alarm information is collected by a data sending subsystem and is sent to a server through the Internet, the alarm information of the server is retrieved by an Internet webpage and/or a client and then is displayed, and an engineer and/or a technician inquires and analyzes historical data of the long-term current value of the screw conveyor through the Internet webpage and/or the client after receiving, if the current value has a tendency to rise, there may be two problems: a, setting of the preset operation time of the screw conveyer and the preset unloading interval time of the screw conveyer is not reasonable enough, and materials cannot be completely discharged; b, the bearing of the spiral conveyer, the sensing chain or the speed reducer and other parts have problems. After an engineer and/or a technician inquires and analyzes historical data of the current value of the screw conveyor, the user of the dust collection equipment is timely called to check whether a screw conveyor bearing of the dust collection equipment is damaged, whether a speed reducer is normal, whether a dust collector box body is deformed and the like, and possible faults of the dust collection equipment are eliminated as soon as possible. The internet web page and the client of the embodiment are the internet web page and the client which are connected with the server for storing the data in the control subsystem.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. A dust collecting apparatus management system characterized by comprising: the system comprises an acquisition device, a control subsystem and a data sending subsystem;
the acquisition device is electrically connected with the control subsystem and is used for acquiring data signals of dust collection equipment;
the control subsystem is connected with the data sending subsystem through a point-to-point interface communication protocol, and is used for acquiring data signals acquired by the acquisition device, and processing, judging and alarming the data signals;
and the data sending subsystem is used for sending and storing the data and the alarm information in the control subsystem to a server through a wireless network.
2. The dust collecting equipment management system of claim 1, wherein the collecting device specifically comprises: temperature sensors, current sensors and pressure sensors;
the temperature sensor, the current sensor and the pressure sensor are all electrically connected with the control subsystem;
the temperature sensor is arranged in the dust collecting equipment and is used for collecting a temperature signal of the dust collecting equipment;
the current sensor is arranged on a screw conveyor of the dust collecting equipment and is used for collecting current signals of the screw conveyor;
the pressure sensors include a first pressure sensor and a second pressure sensor; the first pressure sensor is arranged on an air inlet pipe and an air outlet pipe of the dust collecting equipment and is used for collecting pressure signals of the air inlet pipe and the air outlet pipe;
the second pressure sensor is arranged on an air bag of the dust collecting equipment and used for collecting a blowing pressure signal of a pulse valve of the dust collecting equipment.
3. The dust collecting equipment management system of claim 2, wherein the control subsystem is further electrically connected with an induced draft fan of the dust collecting equipment and is used for collecting frequency signals of a frequency converter of the induced draft fan.
4. The dust collecting equipment management system of claim 3, wherein the control subsystem specifically comprises:
the acquisition module is used for acquiring the data signals acquired by the acquisition device and the frequency signals of the frequency converter of the induced draft fan;
the data conversion module is used for converting all the signals acquired by the acquisition module into data values and calculating the frequency of the induced draft fan by using the frequency value of the frequency converter of the induced draft fan; the data values include: the temperature value of the dust collection equipment, the current value of the screw conveyor, the pressure value of the air inlet pipe, the pressure value of the air outlet pipe, the blowing pressure value of the pulse valve, the frequency value of a frequency converter of the induced draft fan and the frequency of the induced draft fan are measured;
the judging module is used for comparing the data value with a preset threshold value and judging whether to alarm or not; if the alarm is given, an alarm signal is sent to the alarm module;
and the alarm module is used for giving an alarm according to the alarm signal.
5. The dust collecting equipment management system according to claim 4, wherein the judging module specifically comprises:
the temperature judging unit is used for judging whether the temperature value is smaller than a preset temperature lower limit value or not to obtain a first judging result; if the first judgment result is yes, sending an over-temperature alarm signal to the alarm module;
the blowing pressure judging unit is used for judging whether the blowing pressure value is greater than a preset blowing pressure lower limit value and smaller than a preset blowing pressure upper limit value or not to obtain a second judgment result; if the second judgment result is negative, sending an abnormal blowing pressure alarm signal to the alarm module;
the air port pressure difference judging unit is used for judging whether the difference between the pressure value of the air inlet pipe and the pressure value of the air outlet pipe is greater than a preset air port pressure lower limit value and smaller than a preset air port pressure upper limit value or not to obtain a third judgment result; if the third judgment result is negative, sending an alarm signal of abnormal air port pressure to the alarm module;
the induced draft fan frequency judging unit is used for judging whether the frequency of the induced draft fan is greater than a preset induced draft fan frequency lower limit value and less than a preset induced draft fan frequency upper limit value or not to obtain a fourth judging result; if not, sending an alarm signal of the abnormal frequency of the induced draft fan to the alarm module;
the spiral transportation current judging unit is used for judging whether the current value of the spiral transportation machine is larger than a preset spiral transportation current lower limit value and smaller than a preset spiral transportation current upper limit value or not to obtain a fifth judging result; if not, sending an alarm signal of abnormal spiral operation current to the alarm module; the preset threshold includes: the preset temperature lower limit value, the preset injection pressure upper limit value, the preset air port pressure lower limit value, the preset air port pressure upper limit value, the preset induced draft fan frequency lower limit value, the preset induced draft fan frequency upper limit value, the preset screw operation current lower limit value and the preset screw operation current upper limit value; the alarm information includes: the temperature is low, the injection pressure is abnormal, the air port pressure is abnormal, the frequency of the induced draft fan is abnormal, and the spiral operation current is abnormal.
6. The dust collecting apparatus management system according to claim 5, further comprising: a client; the client is connected with the server through the Internet;
the client is used for acquiring and displaying the data stored in the server, acquiring and displaying the alarm information in the server, acquiring the input preset threshold value change value and sending the preset threshold value change value to the control subsystem through the server.
7. The dust collecting apparatus management system according to claim 6, wherein the control subsystem further comprises:
and the preset threshold modifying module is used for acquiring the preset threshold modifying value and modifying the preset threshold according to the preset threshold modifying value.
8. The dust collecting apparatus management system according to claim 3, wherein the control subsystem is further electrically connected with a screw conveyor of the dust collecting apparatus;
the control subsystem further comprises:
the spiral conveyer control module is used for controlling the start and stop of the spiral conveyer according to the preset spiral conveyer running time and the preset spiral conveyer unloading interval time;
and the pulse valve control module is used for controlling the starting and stopping of the pulse valve according to the preset pulse blowing time.
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