CN211786730U - PLC control automatic drainage device for coal mine - Google Patents
PLC control automatic drainage device for coal mine Download PDFInfo
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- CN211786730U CN211786730U CN202020716562.7U CN202020716562U CN211786730U CN 211786730 U CN211786730 U CN 211786730U CN 202020716562 U CN202020716562 U CN 202020716562U CN 211786730 U CN211786730 U CN 211786730U
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- power inverter
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Abstract
The utility model discloses a PLC controlled automatic drainage device for coal mines, which comprises an explosion-proof box body, wherein a PLC controller and an intrinsically safe power inverter connected with the PLC controller are arranged in the explosion-proof box body, the intrinsically safe power inverter comprises an intrinsically safe power inverter I and an intrinsically safe power inverter II which are arranged in parallel, the intrinsically safe power inverter is connected with a 127V alternating current power line, the PLC controller is connected with a liquid level sensor arranged in a temporary water bin, the PLC controller is connected with a vacuum electromagnetic starter used for controlling the start of an underground electric water pump or a solenoid valve used for controlling the start of an underground air pump through a control line, the automatic drainage device can be connected into a temporary drainage system without changing the existing temporary drainage equipment under a coal mine, the unattended automatic drainage work is realized, and the dual power supply control is adopted, the use effect can be better guaranteed.
Description
Technical Field
The utility model belongs to mining drainage device field, especially a PLC control automatic drainage device for coal mine.
Background
At present, most of water in various places of underground coal mines is discharged to a central pump room or a mining area pump room by a temporary electric water pump room or an air pump, as the underground temporary water discharging points are numerous, the traditional method is to manually go to the corresponding water discharging place to start and stop the electric water pump or the air pump, when the water discharging place is far away, the distance of the manual operation for discharging water is far away, so that the time is wasted, and serious consequences can be caused when the water is not discharged in time. After the electric water pump or the air pump is started, if a person in charge of water drainage goes to other places to be dried, water in the temporary water sump is drained, the electric water pump or the air pump still continues to work, other serious consequences such as motor burnout or air pump damage can be caused, and the power supply of some automatic control devices usually adopts a single power supply control mode, so that all the automatic control devices are easy to fail after damage.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a PLC control automatic drainage device for coal mine.
In order to achieve the above object, the utility model adopts the following technical means:
the utility model provides a PLC control automatic drainage device for coal mine, including explosion-proof box, be provided with the PLC controller in the explosion-proof box, the ann's power inverter who is connected with the PLC controller, ann's power inverter is including parallelly connected ann's power inverter one, the ann's power inverter two that sets up, this ann's power inverter is connected with 127V alternating current power supply line, the PLC controller is connected with the level sensor who sets up in interim sump, the PLC controller passes through the control line and is connected with the solenoid valve that is used for controlling the vacuum electromagnetic starter that electric water pump starts in the pit or is used for controlling the air pump start in the pit.
Further, the electromagnetic valve is arranged on a compressed air pipeline used for providing kinetic energy for the air pump.
Furthermore, the control line comprises a control line A connected with the power inverter and a control line B connected with the PLC.
Further, the output voltage of the intrinsically safe power inverter is 24V.
Furthermore, the PLC controller is a Siemens S7-200PLC controller.
The utility model has the advantages that:
the utility model discloses simple structure can insert the interim drainage system with automatic drainage device under the current interim drainage device condition in the colliery not changing the colliery, realizes unmanned on duty's automatic drainage work, adopts dual power supply control moreover, guarantee result of use that can be better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the connection between the present invention and the downhole electric water pump.
Fig. 3 is a schematic view of the connection between the present invention and the downhole air pump.
Wherein: 1. a 127V AC power line; 2. an intrinsically safe power inverter; 201. the intrinsic safety power inverter I; 202. a second intrinsically safe power inverter; 3. a PLC controller; 4. a control line A; 5. a control line B; 6. a liquid level sensor; 7. an explosion-proof box body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1: as shown in fig. 1-2, the present embodiment provides a PLC controlled automatic drainage device for a coal mine, including an explosion-proof box 7, a PLC controller 3 and an intrinsically safe power inverter 2 connected to the PLC controller 3 are provided in the explosion-proof box 7, the intrinsically safe power inverter 2 includes a first intrinsically safe power inverter 201 and a second intrinsically safe power inverter 202 which are provided in parallel, the intrinsically safe power inverter 2 is connected to a 127V ac power line 1, the PLC controller 3 is connected to a liquid level sensor 6 provided in a temporary water sump, the PLC controller 3 is connected to a vacuum electromagnetic starter for controlling a downhole electric water pump to start through a control line, and the downhole electric water pump is used for pumping water from the temporary water sump.
The control lines include a control line a4 connected to the power inverter 2 and a control line B5 connected to the PLC controller 3.
The output voltage of the intrinsic safety power inverter 2 is 24V.
The PLC controller 3 is a Siemens S7-200PLC controller.
During the specific use, when level sensor 6 detected that the water level is higher than the settlement water level, to PLC controller 3 signaling, PLC controller 3 handled through inside procedure, and control line B5 sends the 24V signal, and the water pump motor starter starts this moment, and interim sump is automatic to be drained.
When the liquid level sensor 6 detects that the water level is lower than the set water level after water drainage, a signal is sent to the PLC controller 3, the PLC controller 3 is processed through an internal program, a 24V signal of a control line B5 is disconnected, the water pump motor starter stops at the moment, and the temporary water sump automatically drains and stops.
Example 2: the difference between the embodiment and the embodiment 1 is that the PLC controller 3 is connected with a solenoid valve for controlling the start of the downhole air pump through a control line, the solenoid valve is arranged on an air pressure pipeline for providing kinetic energy to the air pump, and the downhole air pump is used for pumping water from the temporary water sump.
During the specific use, when level sensor 6 detected that the water level is higher than the settlement water level, to PLC controller 3 signaling, PLC controller 3 was handled through internal program, sent the 24V signal to control line B5, and the external solenoid valve of air pump was opened this moment, and interim sump is automatic to be drained.
When the liquid level sensor 6 detects that the water level is lower than the set water level after water drainage, a signal is sent to the PLC controller 3, the PLC controller 3 is processed through an internal program, a 24V signal of a control line B5 is disconnected, the external electromagnetic valve of the air pump stops at the moment, and the temporary water sump automatically drains and stops.
The utility model discloses simple structure can insert the interim drainage system with automatic drainage device under the current interim drainage device condition in the colliery not changing the colliery, realizes unmanned on duty's automatic drainage work, adopts dual power supply control moreover, guarantee result of use that can be better.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. The utility model provides an automatic drainage device of PLC control for coal mine, its characterized in that, includes explosion-proof box (7), be provided with PLC controller (3) in explosion-proof box (7), intrinsically safe power inverter (2) of being connected with PLC controller (3), intrinsically safe power inverter (2) are including the intrinsically safe power inverter one (201), intrinsically safe power inverter two (202) of parallelly connected setting, intrinsically safe power inverter (2) are connected with 127V alternating current power supply line (1), PLC controller (3) are connected with level sensor (6) of setting in interim sump, PLC controller (3) are connected with the vacuum electromagnetic starter that is used for controlling the start of electric water pump in the pit or the solenoid valve that is used for controlling the start of wind pump in the pit through the control line.
2. The PLC-controlled automatic water discharge device for coal mines as claimed in claim 1, wherein the solenoid valve is provided on a compressed air pipe for supplying kinetic energy to the air pump.
3. The PLC-controlled automatic drainage device for coal mines as claimed in claim 1, wherein the control line comprises a control line A (4) connected with the power supply inverter (2) and a control line B (5) connected with the PLC controller (3).
4. The PLC-controlled automatic drainage device for coal mines as set forth in claim 1, wherein the output voltage of the intrinsically safe power inverter (2) is 24V.
5. The PLC-controlled automatic drainage device for the coal mine according to claim 1, wherein the PLC controller (3) is a Siemens S7-200PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020716562.7U CN211786730U (en) | 2020-05-06 | 2020-05-06 | PLC control automatic drainage device for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020716562.7U CN211786730U (en) | 2020-05-06 | 2020-05-06 | PLC control automatic drainage device for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211786730U true CN211786730U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020716562.7U Active CN211786730U (en) | 2020-05-06 | 2020-05-06 | PLC control automatic drainage device for coal mine |
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| CN (1) | CN211786730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202555A (en) * | 2021-05-31 | 2021-08-03 | 陕西陕煤铜川矿业有限公司 | Automatic drainage system and method |
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2020
- 2020-05-06 CN CN202020716562.7U patent/CN211786730U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202555A (en) * | 2021-05-31 | 2021-08-03 | 陕西陕煤铜川矿业有限公司 | Automatic drainage system and method |
| CN113202555B (en) * | 2021-05-31 | 2023-10-13 | 陕西陕煤铜川矿业有限公司 | Automatic drainage system and method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201125 Address after: No. 17, Yulin street, Zha District, Manzhouli City, Hulunbuir City, Inner Mongolia Autonomous Region Patentee after: DALAI NUR COAL INDUSTRY Co.,Ltd. Address before: No. 17, Yulin street, Zha District, Manzhouli City, Hulunbuir City, Inner Mongolia Autonomous Region Patentee before: DALAI NUR COAL INDUSTRY Co.,Ltd. Patentee before: Liu Xiangdong |