CN213869968U - Online monitoring and controlling dust settling system - Google Patents
Online monitoring and controlling dust settling system Download PDFInfo
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- CN213869968U CN213869968U CN202022124227.0U CN202022124227U CN213869968U CN 213869968 U CN213869968 U CN 213869968U CN 202022124227 U CN202022124227 U CN 202022124227U CN 213869968 U CN213869968 U CN 213869968U
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Abstract
The utility model discloses an online monitoring control dust fall system, which relates to the field of dust removal of coal mine underground dust, and comprises a ground central station, a plurality of control units and a plurality of grading control units; the control unit comprises a controller, the controller is connected with the dustproof water curtain and controls the dustproof water curtain, a dust sensor is fixed on one downwind side of the dustproof water curtain, which is 20-30 cm away from the wall of the roadway, and a fan and an air duct are correspondingly arranged in the roadway; the grading control unit comprises two controllers which are respectively connected with and control the two dustproof water curtains, a dust sensor is fixed on one downwind side of each dustproof water curtain, and a fan and an air duct are correspondingly arranged in the roadway; the ground central station is connected with the controller through an RS485 bus, and the dust sensor is connected with the ground central station through the RS485 bus. The utility model has the characteristics of automatic dust fall, real-time display, manual control, hierarchical control, practiced thrift manual work and plant maintenance cost, reduce the labour, improve work efficiency.
Description
Technical Field
The utility model relates to a colliery is dirt dust removal field in the pit, specifically is an online monitor control dust fall system.
Background
At present, the purpose of reducing dust in roadways is achieved by installing a plurality of dustproof water curtains in main roadways of mines, and the dustproof water curtains need to be opened and closed manually every day, so that the task is heavy, a specially-assigned person needs to be arranged every day to open the dustproof water curtains in the roadways along the main roadways from a wellhead, and the opened dustproof water curtains in the roadways are closed all the way after being opened for a certain time. In this way, dust in the roadway can be solved only temporarily, and several problems are still difficult to solve: 1. when the dust concentration in the tunnel is increased, the dustproof water curtain in the tunnel cannot be opened immediately; 2. the dust-proof water curtain cannot be closed immediately after the dust is reduced, so that water is accumulated in the roadway and water sources are wasted; 3. the dust concentration in the roadway cannot be monitored in real time all day long. Therefore, in order to solve these problems, it is necessary to improve the existing dust fall and prevention device.
Disclosure of Invention
The utility model discloses a solve the problem that exists among the above-mentioned current dust fall equipment, provide an online monitoring control dust fall system.
The utility model discloses a realize through following technical scheme: an online monitoring control dust fall system comprises a ground central station, a plurality of control units and a plurality of grading control units; the control unit comprises a controller, the controller is connected with and controls the dustproof water curtain, a dust sensor is fixed at a position 20-30 cm away from the roadway wall on the downwind side of the dustproof water curtain, and a fan and an air duct are correspondingly arranged in the roadway; the ground central station is connected with the controller through an RS485 bus, and the dust sensor is connected with the ground central station through the RS485 bus; the grading control unit comprises a controller I and a controller II, the controller I is connected with the dustproof water curtain I and controls the dustproof water curtain I, the controller II is connected with the dustproof water curtain II and controls the dustproof water curtain II, a dust sensor is fixed at a position 20-30 cm away from a roadway wall on the downwind side of the dustproof water curtain II, and a fan and an air cylinder are correspondingly arranged in the roadway; the ground central station is also connected with a controller I and a controller II of the hierarchical control unit through an RS485 bus; and the dust sensor is connected with the ground central station through an RS485 bus.
The utility model discloses an online monitoring control dust fall system is controlled control unit and hierarchical control unit through ground central station and RS485 bus, and dust sensor is used for gathering the dust concentration in tunnelling working face and the tunnel to open or close dustproof water curtain according to dust concentration's high-low remote automatic control, but also can with the online display of ground central station dustproof water curtain state in the pit. The control unit and the grading control unit determine which control unit is adopted according to the severity of dust obtained in ordinary experience, the dust usually exceeds the standard, but the dust does not exceed the standard seriously, the control unit is arranged, and a dustproof water curtain is arranged in the control unit, so that the control unit controls the dustproof water curtain; if the dust generally can reach the serious standard exceeding degree, a grading control unit is adopted, and two dustproof water curtains are arranged in the grading control unit, because if the dust seriously exceeds the standard, one group of dustproof water curtains cannot quickly reduce the dust concentration, two groups of water curtains can be simultaneously opened to achieve the aim of falling the dust as soon as possible. The control unit and the grading control unit are respectively provided with a dust sensor, and a fan and an air cylinder are correspondingly arranged, the dust sensors are connected with a ground central station through an RS485 bus to transmit collected data of dust concentration to a host of the ground central station, the host sends an instruction to open or close a dustproof water curtain, as shown in figures 2 and 3, the limit value of the dust concentration exceeding the standard is set, if the dust concentration exceeds the limit value, the host displays that the concentration data turns red (or purple if the concentration data seriously exceeds the standard), the flow direction of wind in a normal roadway is blown to B from A, so that the dust sensors are generally arranged at the position of C, 20-30 cm away from the roadway wall, of the downwind direction of the dustproof water curtain, so as to accurately collect the data of the dust concentration, and the fan and the air cylinder are used for ventilating the roadway or a driving working face. The utility model discloses the specific operation does: the ground central station is connected with the controller of the control unit and the controller of the grading control unit through the RS485 bus, and meanwhile, the dust sensor transmits dust concentration data to the ground central station through the RS485 bus. A control unit: when the dust content of the dust sensor at the point C exceeds the standard, the data are transmitted to the ground central station, the number which exceeds the standard is displayed in the host of the ground central station to turn red, the ground central station sends an instruction to the controller to control the dustproof water curtain electronic valve to open the water curtain, dust in the roadway is reduced through the water curtain spraying device, the dust content in the air flow reaching the tunneling working face can be reduced to a set range, and when the dust content reaches the set range, the dustproof water curtain is automatically closed. A classification control unit: after the dust concentration in the roadway seriously exceeds the standard, the dust sensor feeds back the data exceeding the standard to the ground central station, the ground central station sends an instruction to the controller I and the controller II to control the dustproof water curtain electronic valve to open the water curtain, because one group of dustproof water curtains are not enough to quickly reduce the dust concentration, two groups of water curtains are required to be simultaneously opened to achieve the aim of falling dust as soon as possible, so the grading control unit is generally positioned at the place where vehicles frequently appear in the roadway and the position where dust is easily produced, and when the set range is reached, the dustproof water curtain is automatically closed. Meanwhile, the ground central station can also check the opening and closing states of the water curtain in real time through the host, and meanwhile, the central station can also control the water curtain to achieve the dust fall purpose through a manual switch.
Compared with the prior art the utility model discloses following beneficial effect has: the utility model provides an online monitoring control dust fall system, adopt RS485 bus transmission data mode to carry out data transmission, both can guarantee the reliability of data, also can save the cost of laying cable, reduce the maintenance cost; the system has the characteristics of automatic dust fall, real-time display, manual control, grading control and the like, saves labor and equipment maintenance cost, reduces labor force, and improves working efficiency. Monitoring 24 hours all day, and timely reducing dust; simultaneously can set up different dust fall numerical values to different tunnel dust circumstances, have the prospect of using widely.
Drawings
Fig. 1 is a distribution diagram of a control unit and a hierarchical control unit according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the control unit of the present invention.
Fig. 3 is a schematic structural diagram of the hierarchical control unit of the present invention.
The figures are labeled as follows: 1-ground central station, 2-controller, 201-controller I, 202-controller II, 3-RS485 bus, 4-dustproof water curtain, 401-dustproof water curtain I, 402-dustproof water curtain II, 5-dust sensor, 6-fan, 7-wind tube, 8-driving face or roadway.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
An online monitoring control dust fall system, as shown in fig. 1-3: the system comprises a ground central station 1, a plurality of control units and a plurality of hierarchical control units; the control unit comprises a controller 2, the controller 2 is connected with a dustproof water curtain 4 and controls the dustproof water curtain 4, a dust sensor 5 is fixed on one downwind side of the dustproof water curtain 4 at a position 20-30 cm away from the roadway wall, and a fan 6 and an air duct 7 are correspondingly arranged in the roadway; the ground central station 1 is connected with the controller 2 through an RS485 bus 3, and the dust sensor 5 is connected with the ground central station 1 through the RS485 bus 3; the grading control unit comprises a controller I201 and a controller II 202, the controller I201 is connected with a dustproof water curtain I401 and controls the dustproof water curtain I401, the controller II 202 is connected with a dustproof water curtain II 402 and controls the dustproof water curtain II 402, a dust sensor 5 is fixed at a position 20-30 cm away from the roadway wall on the downwind side of the dustproof water curtain II 402, and a fan 6 and an air duct 7 are correspondingly arranged in the roadway; the ground central station 1 is also connected with a controller I201 and a controller II 202 of the hierarchical control unit through an RS485 bus 3; the dust sensor 5 is connected with the ground central station 1 through an RS485 bus 3.
In this embodiment: the ground central station 1 comprises a host which has monitoring and remote control functions; the controller 2, the controller I201 and the controller II 202 comprise PLC controllers. In this embodiment: the device is provided with three control units and two hierarchical control units, wherein the control units are respectively a control unit I, a control unit II and a control unit V, and the hierarchical control units are respectively a hierarchical control unit III and a hierarchical control unit IV.
The embodiment specifically operates as follows: a host of a ground central station 1 is connected with controllers 2 of a control unit I, a control unit II and a control unit V through RS485 buses, the ground central station 1 is connected with controllers I201 and II 202 of a grading control unit III and a grading control unit IV respectively through the RS485 buses, and meanwhile, dust sensors 5 of all the units transmit dust concentration data to the ground central station 1 through the RS485 buses. Control unit I, control unit II and control unit V: when the dust content of the dust at the point C is detected to exceed the standard by the dust sensor 5, data are transmitted to the ground central station 1, the number after exceeding the standard is displayed in a host of the ground central station 1 to turn red, the ground central station 1 sends an instruction to the controller to control the electronic valve of the dustproof water curtain 4 to open the water curtain, dust in a tunneling working surface and a roadway is reduced by the water curtain spraying device, the dust content in air flow reaching the tunneling working surface can be reduced to a set range, and the ground central station 1 issues an instruction to automatically close the dustproof water curtain 4 when the dust content reaches the set range. A classification control unit III and a classification control unit IV: when the dust concentration in a roadway seriously exceeds the standard, the dust sensor 5 feeds the data exceeding the standard back to the ground central station 1, the digits exceeding the standard are displayed in a host of the ground central station 1 to turn red or purple, the ground central station 1 sends instructions to the controller I201 and the controller II to respectively control the dustproof water curtain electronic valves to open the water curtains, because one group of dustproof water curtains are not enough to quickly reduce the dust concentration, two groups of water curtains are required to be simultaneously opened to achieve the aim of falling dust as soon as possible, the controller I201 opens the dustproof water curtain I401, the controller II 202 opens the dustproof water curtain II 402, and when the data collected by the dust sensor 5 reaches a qualified range, the ground central station 1 automatically controls the closing of the dustproof water curtain I401 and the dustproof water curtain II 402. Meanwhile, the ground central station 1 can also check the opening and closing states of the water curtain in real time through the host, and meanwhile, the central station can also control the water curtain to achieve the dust fall purpose through a manual switch.
The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. The utility model provides an on-line monitoring control dust fall system which characterized in that: comprises a ground central station (1), a plurality of control units and a plurality of hierarchical control units;
the control unit comprises a controller (2), the controller (2) is connected with a dustproof water curtain (4) and controls the dustproof water curtain (4), a dust sensor (5) is fixed on one downwind side of the dustproof water curtain (4) at a position 20-30 cm away from a roadway wall, and the ground central station (1) is connected with the controller (2) through an RS485 bus (3);
the classification control unit comprises a controller I (201) and a controller II (202), the controller I (201) is connected with a dustproof water curtain I (401) and controls the dustproof water curtain I (401), the controller II (202) is connected with a dustproof water curtain II (402) and controls the dustproof water curtain II (402), a dust sensor (5) is fixed on one downwind side of the dustproof water curtain II (402) at a position 20-30 cm away from a roadway wall, and the ground central station (1) is also connected with the controller I (201) and the controller II (202) of the classification control unit through an RS485 bus (3);
all the roadways are correspondingly provided with fans (6) and air ducts (7); the dust sensor (5) is connected with the ground central station (1) through an RS485 bus (3).
2. The on-line monitoring and controlling dust settling system of claim 1, wherein: the ground central station (1) comprises a host and has monitoring and remote control functions.
3. The on-line monitoring and controlling dust settling system of claim 1, wherein: the controller (2), the controller I (201) and the controller II (202) are internally provided with PLC controllers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022124227.0U CN213869968U (en) | 2020-09-25 | 2020-09-25 | Online monitoring and controlling dust settling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022124227.0U CN213869968U (en) | 2020-09-25 | 2020-09-25 | Online monitoring and controlling dust settling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213869968U true CN213869968U (en) | 2021-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022124227.0U Active CN213869968U (en) | 2020-09-25 | 2020-09-25 | Online monitoring and controlling dust settling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213869968U (en) |
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2020
- 2020-09-25 CN CN202022124227.0U patent/CN213869968U/en active Active
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