CN111605912A - Silo structure and industrial Internet of things method thereof - Google Patents
Silo structure and industrial Internet of things method thereof Download PDFInfo
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- CN111605912A CN111605912A CN202010446789.9A CN202010446789A CN111605912A CN 111605912 A CN111605912 A CN 111605912A CN 202010446789 A CN202010446789 A CN 202010446789A CN 111605912 A CN111605912 A CN 111605912A
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- silo
- pressure
- control terminal
- bag
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/48—Arrangements of indicating or measuring devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/005—Control arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
- B65G69/181—Preventing escape of dust by means of sealed systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a silo structure and an industrial thing connection method thereof in an innovative way, and on one hand, the invention provides the silo structure which comprises a silo, supporting legs arranged at the lower end of the silo, a bag-type dust collector arranged at the upper end of the inner side of the silo, a bag-type front-back pressure difference monitoring system arranged on the bag-type dust collector and strain detection devices respectively arranged on the supporting legs, wherein the strain detection devices, the bag-type dust collector and the bag-type front-back pressure difference monitoring system are respectively in signal connection with a control terminal for material level control, the bag-type dust collector is connected with a feeding pipe, a feeding control system is arranged on the feeding pipe and is in signal connection with the control terminal, and the control terminal is in signal connection with a cloud end, so. In another aspect, the present invention provides an industrial internet of things method for a silo. The invention can monitor the weight of silo materials and share data in time, thereby improving the intelligent degree.
Description
Technical Field
The invention belongs to the field of silos, and particularly relates to a silo structure and an industrial internet of things method of a silo.
Background
Silos are warehouses that store bulk materials. The industrial silo is used for storing bulk materials such as coke, cement, salt, sugar and the like. At present, the traditional monitoring mode of the stock of the materials in the silo comprises the following steps: the mode through tank bottoms weighing sensor monitoring, through the mode of tank deck guided wave radar range finding monitoring, through the mode of tank deck radio frequency admittance range finding monitoring, through the mode of the automatic lifting rope range finding monitoring of tank deck, through the mode of the artifical lifting rope range finding monitoring of tank deck, through the mode that the support column becomes little to measure monitoring, through the mode of tank body damping charge level indicator monitoring etc.. The methods all face the problems of large potential safety hazard, large error, short service life, frequent maintenance, high application cost and the like, and meanwhile, the silo material weight monitoring methods are local modes, data need to be collected or confirmed by people, and cannot be shared and processed in real time.
Disclosure of Invention
The invention aims to provide a silo structure which can monitor the weight of silo materials, share data in time and improve the intelligent degree.
The second purpose of the invention is to provide an industrial internet of things method of the silo structure.
For realizing the purpose one, provide a silo structure, including the silo, set up in the supporting leg of silo lower extreme and set up in the sack cleaner of silo inboard upper end, still including set up pressure differential monitoring system around the sack that is used for monitoring sack business turn over gas port pressure differential on the sack cleaner and set up respectively on each supporting leg and be used for carrying out the strain detection device that monitors the deformation of supporting leg, pressure differential monitoring system respectively with the control terminal signal connection who is used for level control around strain detection device, the sack cleaner and the sack, the sack cleaner is connected with the inlet pipe, be provided with feed control system on the inlet pipe, feed control system and control terminal signal connection, control terminal and high in the clouds signal connection to form silo equipment material level control system through high in the clouds control.
Preferably, the strain detecting means is a strain sensor.
Preferably, the front-back pressure difference monitoring system of the cloth bag comprises pressure sensors arranged on two sides of the cloth bag in the cloth bag dust remover and used for detecting the pressure of the air inlet and the air outlet of the cloth bag, a pressure difference control device in signal connection with the pressure sensors, and a pressure release valve arranged at the upper end of the silo and in signal connection with the pressure difference control device, wherein the pressure difference control device is in signal connection with the control terminal.
Preferably, the feeding control system comprises a feeding controller in signal connection with the control terminal and a feeding valve arranged on the feeding pipe and in signal connection with the feeding controller.
Preferably, the lower end of the silo is provided with a discharge pipe, a discharge control system is arranged on the discharge pipe, and the discharge control system comprises a discharge valve arranged on the discharge pipe and a discharge controller respectively connected with the discharge valve and a control terminal through signals.
In order to realize the second purpose, the invention provides an industrial internet of things method of a silo, which comprises the following processing steps,
step 1: the control terminal receives signals of a pressure difference monitoring system and signals of each strain detection device in front of and behind the cloth bag in real time, and simultaneously sends monitoring data to the cloud in real time and carries out communication through the cloud for real-time remote monitoring;
step 2: the control terminal obtains the pressure in the silo according to the received signals of the front-back pressure difference monitoring system of the cloth bag, and when the pressure exceeds a set value, the control terminal closes the feeding and controls the pressure relief of the silo until the pressure in the silo is reduced to a recovery working set value; meanwhile, the cloud calculates signals of all the strain detection devices in real time to obtain the weight of the silo, so that the charging amount of the silo is obtained;
and step 3: when the charging amount of the silo does not reach a set value, the cloud end monitors the pressure in the silo through the control terminal according to the real-time received signals of the front-back pressure difference monitoring system of the cloth bag until the charging amount of the silo reaches the set value, and the cloud end stops feeding through the control terminal.
Preferably, in step 2 and step 3, the cloud end performs correction by multiplying the received signal of each strain detection device by a micro-deformation sampling value correction coefficient r, where the micro-deformation sampling value correction coefficient r is calculated by the formula of r being 10K +1K2+0.1K3Where K is the coefficient of transfer relationship.
Preferably, the equation for calculating the transfer relation coefficient K is at1/at2, where at1 is the linear expansion coefficient of the material used for the support leg, and at2 is the linear expansion coefficient of the material used for the sensor.
Preferably, a standard temperature-compression curve is established in the cloud according to actual data corresponding to the temperature of the supporting leg and the detection data of the strain detection device; during working, the temperature of a plurality of groups of supporting legs is measured at set time intervals, each group of temperature is sent to the cloud end, standard pressure is obtained through calculation of a standard temperature-pressure curve, then the standard pressure is compared with the pressure shown by detection signals of all strain detection devices, if the deviation is within a set range, the detection signals are applied, and if the deviation exceeds the set range, correction is carried out; standard temperature-pressure curve y ═ ax2+ bx + c, where y is the pressure, x is the ambient temperature, and a, b, and c are the coefficients of the functional relationship, respectively.
Preferably, in step 3, the manager is connected with the cloud for remote monitoring through the mobile device or the computer, and the cloud sends the monitoring data to the mobile device or the computer of the manager in real time for real-time display and reminding.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the pressure difference in the silo is detected, the weight of the silo material is detected through the strain detection device, and the calculation and remote control are carried out through the cloud, so that the operation is intelligent and convenient, the weight of the silo material can be monitored, the data can be shared in time, and the intelligent degree is improved. According to the invention, the pressure difference range of the explosion chamber is analyzed by detecting the pressure of the air inlet and the air outlet of the cloth bag, and the safety and the dust removal effect can be effectively improved by automatically opening and closing the pressure release valve. According to the invention, various attributes and characteristics of the silo are digitalized, data are uploaded to a cloud, and the silo is shared and calculated, so that close relation between objects and people is established.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a flow chart of the present invention.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in figure 1, the invention provides a silo structure, which comprises a silo 2, supporting legs 1 arranged at the lower end of the silo 2, a bag-type dust collector 3 arranged at the upper end of the inner side of the silo 2, a bag front-back pressure difference monitoring system 4 arranged on the bag-type dust collector 3 and used for monitoring the pressure difference of a bag inlet and a bag outlet, and a strain detection device 5 arranged on each supporting leg 1 of the silo 2 and used for monitoring the deformation of the supporting leg 1, wherein the strain detection device 5, the bag-type dust collector 3 and the bag front-back pressure difference monitoring system 4 are respectively in signal connection with a control terminal 6 used for material level control, the bag-type dust collector 3 is connected with a feeding pipe 21, the feeding pipe 21 is provided with a feeding control system 7, the feeding control system 7 is in. Thereby forming a silo equipment material level control system through cloud control. The strain detecting device 5 is a strain sensor.
In this embodiment, when the deviation between the detection data of a certain strain detection device 5 and the detection data of other strain detection devices 5 exceeds a set value, the cloud sends a signal to the device used by the administrator to prompt an error notification, so as to perform timely maintenance. The control terminal 6 may be provided on the support leg 1. The strain detection device 5, the bag-type dust collector 3, the bag-type front-back pressure difference monitoring system 4 and the feeding control system 7 can work in a coordinated and matched mode through the material level control system of the silo equipment, the data measurement record and the safety of material supplement and material discharge are improved, meanwhile, the data sharing and analysis decision can be improved, and the efficiency of remote control is improved.
The bag front-back pressure difference monitoring system 4 comprises pressure sensors arranged on two sides of a bag in the bag dust collector 3 and used for detecting the pressure of an air inlet and an air outlet of the bag, a pressure difference control device 41 in signal connection with the pressure sensors, and a pressure release valve 42 arranged at the upper end of the silo 2 and in signal connection with the pressure difference control device 41, wherein the pressure difference control device 41 is in signal connection with the control terminal 6.
The feed control system 7 comprises a feed controller 72 in signal connection with the control terminal 6 and a feed valve 71 arranged on the feed pipe 21 in signal connection with the feed controller 72. The lower end of the silo 2 is provided with a discharge pipe 22, the discharge pipe 22 is provided with a discharge control system 8, and the discharge control system 8 comprises a discharge valve 82 arranged on the discharge pipe 22 and a discharge controller 81 respectively in signal connection with the discharge valve 82 and the control terminal 6.
In this embodiment, the control terminal 6 is a PLC or a single chip, and the differential pressure control device 41, the feeding controller 72 and the discharging controller 81 are PLCs, so that the differential pressure control device 41, the feeding controller 72 and the discharging controller 81 can control centralized control and management of a plurality of silos 2 through one group, thereby improving coordination of control and management. The control terminal 6 is connected with the cloud wireless signal through the wireless communication module 61. The cloud may be an Aliskive platform.
As shown in fig. 2, the present invention also provides an industrial internet of things method for a silo, further comprising the following processing steps,
step 1: the control terminal 6 receives signals of the pressure difference monitoring system 4 and signals of the strain detection devices 1 in front of and behind the cloth bag in real time, and meanwhile, the control terminal 6 sends monitoring data to a cloud end in real time and carries out communication through the cloud end to carry out real-time remote monitoring;
step 2: the control terminal 6 obtains the pressure in the silo 2 according to the received signals of the front-back pressure difference monitoring system 4 of the cloth bag, and when the pressure exceeds a set value, the control terminal closes the feeding and controls the pressure relief of the silo until the pressure in the silo is reduced to a recovery working set value; meanwhile, the cloud calculates signals of all the strain detection devices in real time to obtain the weight of the silo 2, so that the charging amount of the silo 2 is obtained;
and step 3: when the charging amount of the silo 2 does not reach a set value, the cloud end monitors the pressure in the silo 2 through the control terminal 6 according to signals of the real-time received front-back pressure difference monitoring system 4 of the cloth bag, and the cloud end stops feeding under the control of the control terminal 6 until the charging amount of the silo 2 reaches the set value.
In step 2 and step 3, the cloud performs correction by multiplying the received signal of each strain detection device 5 by a micro-deformation sampling value correction coefficient r, which is calculated by the formula where r is 10K +1K2+0.1K3Where K is the coefficient of transfer relationship.
The equation for the transfer coefficient K is at1/at2, where at1 is the linear expansion coefficient of the material used for the support leg and at2 is the linear expansion coefficient of the material used for the sensor.
Establishing a standard temperature-pressure curve in the cloud according to the temperature of the supporting leg 1 and actual data corresponding to detection data of the strain detection device; during working, the temperature of a plurality of groups of supporting legs 1 is measured at set time intervals, each group of temperature is sent to the cloud end, standard pressure is obtained through calculation of a standard temperature-pressure curve, then the standard pressure is compared with the pressure shown by detection signals of all strain detection devices, if the deviation is within a set range, the detection signals are applied, and if the deviation exceeds the set range, correction is carried out; standard temperature-pressure curve y ═ ax2+ bx + c, where y is the pressure, x is the ambient temperature, and a, b, and c are the coefficients of the functional relationship, respectively.
In step 3, the manager is connected with the cloud for remote monitoring through the mobile device or the computer, and the cloud sends the monitoring data to the mobile device or the computer of the manager in real time for real-time display and reminding. Therefore, the manager can check each data in real time and perform remote management.
In this embodiment, during operation, the strain detection device 5 and the bag front-back pressure difference monitoring system 4 monitor the state in real time, and send the state to the cloud for processing through the control terminal 6, and meanwhile, the control terminal 6 sends the processed data to a manager for data synchronization; when the pressure difference monitoring system 4 before and after the cloth bag obtains that the pressure in the silo 2 exceeds a set value, controlling to close the feeding valve 71 and controlling to open the pressure relief valve 42 to relieve the pressure in the silo until the pressure in the silo 2 is reduced to a recovery working set value; meanwhile, the cloud calculates signals of all the strain detection devices in real time to obtain the weight of the silo 2, so that the charging amount of the silo 2 is obtained, when the charging amount of the silo 2 does not reach a set value, the cloud controls the pressure in the silo 2 through the control terminal 6 according to signals of the real-time received front-back pressure difference monitoring system 4 of the cloth bag until the charging amount of the silo 2 reaches the set value, and the cloud controls the closing of the feeding valve 71 through the control terminal 6 to stop feeding. The invention can effectively improve the real-time accuracy of monitoring the weight of the silo material, timely share data and improve the intelligent degree.
The foregoing is merely a preferred embodiment of the invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to limit the invention to other embodiments, and to various other combinations, modifications, and environments and may be modified within the scope of the inventive concept as expressed herein, by the teachings or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a silo structure, includes the silo, sets up in the supporting leg of silo lower extreme and sets up in the sack cleaner of silo inboard upper end, its characterized in that still including set up on the sack cleaner be used for carrying out the sack around the sack differential monitoring system that monitors to sack business turn over gas port differential pressure and set up respectively on each supporting leg and be used for carrying out the strain detection device who monitors the deformation of supporting leg, strain detection device, sack cleaner and sack around differential monitoring system respectively with the control terminal signal connection who is used for material level control, the sack cleaner is connected with the inlet pipe, be provided with feed control system on the inlet pipe, feed control system and control terminal signal connection, control terminal and high in the clouds signal connection to form silo equipment material level control system through high in the clouds control.
2. A silo structure as defined in claim 1 wherein the strain sensing means is a strain sensor.
3. The silo structure of claim 1, wherein the bag front-back pressure difference monitoring system comprises pressure sensors arranged on two sides of a bag in the bag dust collector and used for detecting pressures of an air inlet and an air outlet of the bag, a pressure difference control device in signal connection with the pressure sensors, and a pressure release valve arranged at the upper end of the silo and in signal connection with the pressure difference control device, wherein the pressure difference control device is in signal connection with a control terminal.
4. A silo structure of claim 1, wherein the feed control system includes a feed controller in signal communication with the control terminal and a feed valve disposed on the feed tube in signal communication with the feed controller.
5. A silo structure of claim 1, wherein the silo lower end is provided with a discharge pipe, the discharge pipe is provided with a discharge control system, the discharge control system comprises a discharge valve arranged on the discharge pipe and a discharge controller in signal connection with the discharge valve and a control terminal, respectively.
6. An industrial internet of things method for the silo as defined in claim 1, which comprises the following processing steps,
step 1: the control terminal receives signals of a pressure difference monitoring system and signals of each strain detection device in front of and behind the cloth bag in real time, and simultaneously sends monitoring data to the cloud in real time and carries out communication through the cloud for real-time remote monitoring;
step 2: the control terminal obtains the pressure in the silo according to the received signals of the front-back pressure difference monitoring system of the cloth bag, and when the pressure exceeds a set value, the control terminal closes the feeding and controls the pressure relief of the silo until the pressure in the silo is reduced to a recovery working set value; meanwhile, the cloud calculates signals of all the strain detection devices in real time to obtain the weight of the silo, so that the charging amount of the silo is obtained;
and step 3: when the charging amount of the silo does not reach a set value, the cloud end monitors the pressure in the silo through the control terminal according to the real-time received signals of the front-back pressure difference monitoring system of the cloth bag until the charging amount of the silo reaches the set value, and the cloud end stops feeding through the control terminal.
7. The industrial internet of things method for a silo as claimed in claim 6, wherein in the steps 2 and 3, the cloud end performs correction by multiplying the received signals of each strain detection device by a micro-deformation sampling value correction coefficient r, wherein the micro-deformation sampling value correction coefficient r is calculated by the formula of r-10K +1K2+0.1K3Where K is the coefficient of transfer relationship.
8. An industrial instrumented method of a silo as claimed in claim 7 wherein the transfer coefficient K is calculated as at1/at2 where at1 is the linear expansion coefficient of the material used for the support legs and at2 is the linear expansion coefficient of the material used for the sensors.
9. The industrial internet of things method for the silo as claimed in claim 6 or 7, wherein the cloud establishes the standard temperature-pressure curve according to the actual data corresponding to the temperature of the supporting leg and the detection data of the strain detection deviceA wire; during working, the temperature of a plurality of groups of supporting legs is measured at set time intervals, each group of temperature is sent to the cloud end, standard pressure is obtained through calculation of a standard temperature-pressure curve, then the standard pressure is compared with the pressure shown by detection signals of all strain detection devices, if the deviation is within a set range, the detection signals are applied, and if the deviation exceeds the set range, correction is carried out; standard temperature-pressure curve y ═ ax2+ bx + c, where y is the pressure, x is the ambient temperature, and a, b, and c are the coefficients of the functional relationship, respectively.
10. The industrial internet of things method for the silo as claimed in claim 7, wherein in the step 3, the manager is connected with a cloud terminal through a mobile device or a computer for remote monitoring, and the cloud terminal sends the monitoring data to the mobile device or the computer of the manager in real time for real-time display and reminding.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020103859597 | 2020-05-09 | ||
| CN202010385959 | 2020-05-09 |
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| Publication Number | Publication Date |
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| CN111605912A true CN111605912A (en) | 2020-09-01 |
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| CN202010446789.9A Pending CN111605912A (en) | 2020-05-09 | 2020-05-25 | Silo structure and industrial Internet of things method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116145500A (en) * | 2023-03-31 | 2023-05-23 | 徐州徐工养护机械有限公司 | Compensation system for rapidly balancing negative pressure |
-
2020
- 2020-05-25 CN CN202010446789.9A patent/CN111605912A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116145500A (en) * | 2023-03-31 | 2023-05-23 | 徐州徐工养护机械有限公司 | Compensation system for rapidly balancing negative pressure |
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