CN211312663U - Water supply management system for fully mechanized mining face - Google Patents
Water supply management system for fully mechanized mining face Download PDFInfo
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- CN211312663U CN211312663U CN201921821907.9U CN201921821907U CN211312663U CN 211312663 U CN211312663 U CN 211312663U CN 201921821907 U CN201921821907 U CN 201921821907U CN 211312663 U CN211312663 U CN 211312663U
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Abstract
The utility model discloses a fully mechanized mining surface water supply management system, which comprises a clear water filtering station and a filter screen cleaning device arranged in the clear water filtering station, and also comprises a water pressure acquisition unit, a judgment unit and a man-machine interaction unit which are connected with the clear water filtering station; the input end of the judging unit is in communication connection with the output end of the water pressure collecting unit, and the output end of the judging unit is in communication connection with the input end of the filter screen cleaning device and the input end of the human-computer interaction unit respectively. The utility model discloses possess filter screen detection and cleaning function, work as judge the unit basis water pressure signal judges when the clear water filters the filter screen of station and blocks up, start filter screen belt cleaning device and/or to human-computer interaction unit output cleaning signal can real-time supervision filter screen jam condition and self-cleaning filter screen, in time discovers the trouble, has reduced staff's work burden.
Description
Technical Field
The utility model relates to a combine and adopt the face water supply technical field, especially relate to a combine and adopt face water supply management system.
Background
A large amount of water is needed during production of the underground coal mining working face of the coal mine, and the water is mainly used for spraying dust fall and protecting and cooling equipment so as to ensure the safety of the working environment of personnel and the normal operation of the equipment. The water supply system for the fully mechanized mining face comprises a clear water filtering station and a water storage tank, a water source provided by a sewage treatment plant is filtered by the clear water filtering station and stored in the water storage tank, and water for equipment of the fully mechanized mining face is taken from the water storage tank. The filter screen in the clear water filtering station is easy to block and needs to be checked and cleaned at irregular intervals so as to ensure smooth water supply; the staff also needs to check the water storage tank in the water storage tank regularly, and when the water amount in the water storage tank is too small, the water inlet valve is opened to start water supply.
At present, the detection of the clear water filtering station and the water tank is manually checked, the workload of operators is high, and the omission of the detection can influence the water supply of the fully mechanized mining face. Therefore, it is desirable to provide a water supply management system for a fully mechanized mining face, which monitors water supply parameters in real time, gives early warning, and timely controls equipment to reach a normal state, thereby reducing the workload of operators.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a combine and adopt face water supply management system, real-time supervision water supply parameter and early warning in advance, in time controlgear reaches normal condition to alleviate operation personnel's work burden.
The technical proposal of the utility model provides a fully mechanized mining surface water supply management system, which comprises a clean water filtering station and a filter screen cleaning device arranged in the clean water filtering station,
the fully mechanized mining surface water supply management system also comprises a water pressure acquisition unit, a judgment unit and a man-machine interaction unit which are connected with the clear water filtering station;
the input end of the judging unit is in communication connection with the output end of the water pressure collecting unit, and the output end of the judging unit is in communication connection with the input end of the filter screen cleaning device and the input end of the human-computer interaction unit respectively.
Furthermore, the water pressure acquisition unit comprises a water inlet pressure acquisition device arranged in a water outlet pipe of the clear water filtering station and a water outlet pressure acquisition device arranged in the water outlet pipe of the clear water filtering station.
As an embodiment, the inlet water pressure collecting device and the outlet water pressure collecting device are water pressure sensors.
Furthermore, the water supply management system for the fully mechanized mining surface further comprises a water storage tank, and a water inlet pipe of the water storage tank is connected with a water outlet pipe of the clean water filtering station;
a water level detection unit is arranged in the water storage tank, and a water inlet valve is arranged in a water inlet pipe of the water storage tank;
the water level detection unit and the water inlet valve are in communication connection with the judgment unit.
Further, the water level detection unit comprises a first water level detection device for detecting a first water level and a second water level detection device for detecting a second water level, and the first water level detection device and the second water level detection device are both installed on the inner wall of the water storage tank and are arranged oppositely.
In one embodiment, the first water level detection device and the second water level detection device are both water level sensors.
In one embodiment, the inlet valve is a solenoid valve.
Furthermore, the fully mechanized mining surface water supply management system further comprises a server in communication connection with the judging unit, and the server is in communication connection with the judging unit.
In one embodiment, the determination unit is a programmable logic controller.
In one embodiment, the human-computer interaction unit is a touch screen.
After adopting above-mentioned technical scheme, have following beneficial effect:
the utility model discloses a water pressure signal of clear water filtration station is gathered to water pressure acquisition unit, judges that the unit acquires water pressure signal and judges whether the filter screen blocks up, when judging that the filter screen blocks up, judges that the unit starts filter screen belt cleaning device and washs or export the cleaning signal to man-machine interaction unit, reminds the staff to wash; the automatic detection of the clear water filtering station is realized, faults can be found in time, and the workload of workers is reduced.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
fig. 1 is a schematic view of a system for a water supply system for a fully mechanized mining surface according to an embodiment of the present invention.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
It is easily understood that, according to the technical solution of the present invention, a plurality of structural modes and implementation modes that can be mutually replaced by those of ordinary skill in the art can be achieved without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are only exemplary illustrations of the technical solutions of the present invention, and should not be construed as limiting or restricting the technical solutions of the present invention in its entirety or as a limitation of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The water supply management system for the fully mechanized mining face in this embodiment, as shown in fig. 1, includes a clean water filtering station 01, a filter screen cleaning device 11 disposed in the clean water filtering station 01, a water pressure collecting unit 02 connected to the clean water filtering station 01, a judging unit 03, and a human-computer interaction unit 04;
the input end of the judging unit 03 is in communication connection with the output end of the water pressure collecting unit 02, and the output end of the judging unit 03 is in communication connection with the input end of the filter screen cleaning device 11 and the input end of the human-computer interaction unit 04 respectively;
when the judging unit 03 judges that the filter screen of the clear water filtering station 01 is blocked according to the water pressure signal collected by the water pressure collecting unit 02, the filter screen cleaning device 11 is started and/or a cleaning signal is output to the man-machine interaction unit 04.
The water supply system for the fully mechanized mining face comprises a clear water filtering station 01 and a water storage tank 05, a water source from a sewage treatment plant flows into the clear water filtering station 01, the water source flows into the water storage tank 05 after being filtered by a filter screen, and water for equipment of the fully mechanized mining face is taken from the water storage tank 05. When the filter screen is not cleaned for a long time and is blocked, the water pressure of the clear water filtering station can be changed, and therefore whether the filter screen is blocked or not can be judged according to the change of the water pressure.
The utility model discloses a set up water pressure acquisition unit 02 in clear water filtering station 01, gather the water pressure signal of clear water filtering station 01 to transmit water pressure signal to judging unit 03, judging unit 03 sets up the water pressure signal judgement condition that the filter screen blockked up in advance, judges whether current water pressure signal accords with this judgement condition, if accord with judgement condition then judges that the filter screen blocks up; the judging unit 03 directly starts the filter screen cleaning device 11 to clean or outputs a cleaning signal to the man-machine interaction unit 04 to remind a worker to check and clean, the cleaning signal can be set to be a sound signal, a photoelectric signal and the like, the man-machine interaction unit 04 is a touch screen in the embodiment, the touch screen acquires the cleaning signal and then displays the cleaning signal on the touch screen, and the worker can remove an alarm signal from the touch screen after operating.
Preferably, two working conditions can be set, namely an automatic working condition and a semi-automatic working condition, and the two working conditions can be switched according to working requirements. Under the automatic working condition, when the judging unit 03 judges that the filter screen is blocked, the filter screen cleaning device 11 is directly started for cleaning, so that the detection of workers is not needed; under semi-automatic operating mode, judge that unit 03 exports cleaning signal to man-machine interaction unit 04 when judging that the filter screen blocks up, remind the staff to inspect the filter screen, when the staff inspection affirms that the filter screen needs to wash, then manual start filter screen belt cleaning device 11 washs, needs the staff inspection to confirm under the semi-automatic operating mode, can avoid the alert condition of judgement unit 03 wrong report.
Specifically, the water pressure collecting unit 02 comprises a water inlet pressure collecting device 21 installed in a water inlet pipe of the clear water filtering station 01 and a water outlet pressure collecting device 22 installed in a water outlet pipe of the clear water filtering station 01, wherein the water inlet pressure collecting device 22 is used for collecting water inlet pressure p1, and the water outlet pressure collecting device 22 is used for collecting water outlet pressure p 2; when the judging unit 03 judges that the pressure difference value delta p between the water inlet pressure p1 and the water outlet pressure p2 is greater than the preset pressure difference threshold value p3, the filter screen of the clear water filtering station is judged to be blocked.
In the embodiment, by judging the pressure difference value Δ p between the water inlet pressure p1 and the water outlet pressure p2 of the clean water filtering station 01, the larger the pressure difference value Δ p is, the larger the difference between the water inlet speed and the water outlet speed is, the preset pressure difference threshold value p3 is preset in the judgment unit, and the filter screen of the clean water filtering station 01 is judged to be seriously blocked if the pressure difference value Δ p is larger than the preset pressure difference value p 3. The above determination process can be obtained by subtracting the two values from each other and comparing the subtracted value with a third value in the prior art, and the pressure difference Δ p can be set empirically. The judging unit 03 is a programmable logic controller, and can adopt a PLC, a single chip microcomputer, etc., and as described above, the logical operation of the judging unit 03 can be realized by using the program in the prior art, so the judging unit 03 does not involve the improvement in the method. In some specific embodiments, a comparator is provided in the determination unit 03 to compare the calculated pressure difference Δ p with a preset pressure difference threshold p 3.
In some embodiments, the water inlet pressure collecting device 21 and the water outlet pressure collecting device 22 are both water pressure sensors, and the pressure sensors generally include pressure sensitive elements and signal processing units, and the pressure sensitive elements can sense pressure signals and the signal processing units can convert the pressure signals into usable electrical signals according to a certain rule and output the usable electrical signals.
Preferably, a water level detection unit 06 for detecting a water level signal is installed in a water storage tank 05 of the fully mechanized mining face water supply system, a water inlet valve 07 is installed in a water inlet pipe of the water storage tank 05, and the water inlet valve 07 generally adopts an electromagnetic valve for realizing electric power control;
the water level detection unit 06 and the water inlet valve 07 are both in communication connection with the judgment unit 03, and when the judgment unit 03 judges that the water amount in the water storage tank 05 is insufficient according to the water level signal, the water inlet valve 07 is opened until the judgment unit 03 judges that the water amount in the water storage tank 05 is sufficient, the water inlet valve 07 is closed, and/or a water adding signal is output to the human-computer interaction unit 04.
Specifically, a minimum water level threshold H1 and a maximum water level threshold H2 are preset in the determination unit 03, and the water level signal H detected by the water level detection unit 06 is compared. When the water level signal H is less than or equal to the minimum water level threshold H1, judging that the water quantity in the water storage tank 05 is insufficient; when the water level signal H is greater than or equal to the maximum water level threshold H2, it is determined that the water amount in the water storage tank 05 is sufficient.
Preferably, the water level detection is also provided with two working conditions, automatic working conditions and semi-automatic working conditions, and the two working conditions can be switched according to working requirements. Under the automatic working condition, the judging unit 03 judges that the water quantity in the water storage tank 05 is insufficient, namely when the current water level is lower than the lowest water level, the water inlet valve 07 is opened to start water discharging, and until the judging unit 03 judges that the water quantity in the water storage tank 05 is sufficient, namely when the current water level is higher than the highest water level, the water inlet valve 07 is closed to stop water feeding, so that the whole process does not need to be operated by workers, and the water charging of the water storage tank 05 is automatically finished. Under the semi-automatic working condition, the judging unit 03 judges that the water quantity in the water storage tank 05 is insufficient, outputs a water adding signal to the human-computer interaction unit 04, reminds a worker to check the water quantity of the water storage tank 05, and manually opens the water inlet valve 07 to drain water after the worker checks the water quantity.
Further, the water level detecting unit 06 includes a first water level detecting means 61 for detecting a first water level h1 and a second water level detecting means 62 for detecting a second water level h2, the first water level detecting means 61 and the second water level detecting means 62 are both installed on the inner wall of the water storage tank 05 and are oppositely arranged;
when the judging unit 03 judges that the average value of the first water level H1 and the second water level H2 is less than or equal to the preset minimum water level threshold value H1, the water quantity in the water storage tank 05 is judged to be insufficient;
when the judging unit 03 judges that the average value of the first water level H1 and the second water level H2 is greater than or equal to the preset maximum water threshold H2, it is judged that the water amount in the water storage tank 05 is sufficient.
Because the fully mechanized mining surface is always propelled forwards, a fully mechanized mining surface water supply system is generally arranged on a mobile plate vehicle and crawls along a roadway, the fully mechanized mining surface is continuously propelled forwards, the height of part of the roadway is uneven, water in the water storage tank 05 is bumpy, and if only one water level detection device is arranged, the detected water level error is larger. In order to ensure the authenticity of the detected water level, a first water level detecting device 61 and a second water level detecting device 62 are disposed in the water storage tank 05 and are disposed on opposite sides of the inner wall of the water storage tank 05, preferably on both side walls in the advancing direction of the water storage tank 05. In this embodiment, the first water level detection device 61 and the second water level detection device 62 both employ water level sensors.
The first water level detecting device 61 and the second water level detecting device 62 are both electrically connected to the determining unit 03, and after the determining unit 03 obtains the first water level H1 and the second water level H2, the average value of the first water level H1 and the second water level H2 is calculated as a water level signal H, that is, H is (H1+ H2)/2, and then the water level signal H is compared with the minimum water level threshold H1 and the maximum water level threshold H2. The aforementioned logic calculation only involves numerical calculation and comparison, and can be implemented by using the program in the prior art. In some specific embodiments, a comparator is provided in the determination unit 03 to compare the water level signal H with the lowest water level threshold H1 and the highest water level threshold H2.
Further, the fully mechanized mining surface water supply management system further comprises a server 08 in communication connection with the judging unit 03, and the server can be specifically connected in the modes of ethernet, wireless communication, RS485 communication and the like. The server 08 is configured to adjust the internal logic calculation process of the determining unit 03, such as modifying the values of the preset pressure difference threshold p3, the minimum water level threshold H1, and the maximum water level threshold H2, and switching between an automatic operating mode and a semi-automatic operating mode. In particular embodiments, the server may be a computer or a mobile terminal.
The utility model discloses a combine and adopt a water supply management system possesses filter screen detection and cleaning function and storage water tank 05 water level detection and the function of draining, can filter the filter screen jam condition and the storage water tank 05 water level condition in the station 01 by the real-time supervision clear water, can also self-cleaning filter screen and to the storage water tank 05 drain under automatic operating mode, can in time discover the trouble to staff's work burden has been reduced.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.
Claims (10)
1. A water supply management system for fully mechanized mining surfaces comprises a clean water filtering station and a filter screen cleaning device arranged in the clean water filtering station, and is characterized in that,
the fully mechanized mining surface water supply management system also comprises a water pressure acquisition unit, a judgment unit and a man-machine interaction unit which are connected with the clear water filtering station;
the input end of the judging unit is in communication connection with the output end of the water pressure collecting unit, and the output end of the judging unit is in communication connection with the input end of the filter screen cleaning device and the input end of the human-computer interaction unit respectively.
2. The fully mechanized coal mining face water supply management system of claim 1, wherein the water pressure collection unit comprises a water inlet pressure collection device installed in a water inlet pipe of the clean water filtering station and a water outlet pressure collection device installed in a water outlet pipe of the clean water filtering station.
3. The water supply management system for a fully mechanized mining face of claim 2, wherein the inlet water pressure collection device and the outlet water pressure collection device are water pressure sensors.
4. The water supply management system for the fully mechanized mining face according to claim 1, further comprising a water storage tank, wherein a water inlet pipe of the water storage tank is connected with a water outlet pipe of the clean water filtering station;
a water level detection unit is arranged in the water storage tank, and a water inlet valve is arranged in a water inlet pipe of the water storage tank;
the water level detection unit and the water inlet valve are in communication connection with the judgment unit.
5. The water supply management system for a fully mechanized mining face according to claim 4, wherein the water level detection unit comprises a first water level detection device for detecting a first water level and a second water level detection device for detecting a second water level, and the first water level detection device and the second water level detection device are installed on an inner wall of the water storage tank and are arranged opposite to each other.
6. The water supply management system for a fully mechanized mining face of claim 5, wherein the first water level detection device and the second water level detection device are both water level sensors.
7. A fully mechanized mining face water supply management system according to claim 5, characterized in that the water inlet valve is a solenoid valve.
8. The system for water supply management of a fully mechanized mining face of any one of claims 1 to 7, further comprising a server in communication with the determination unit, the server in communication with the determination unit.
9. A water supply management system for a fully mechanized mining face according to any of claims 1 to 7, characterized in that the determination unit is a programmable logic controller.
10. A water supply management system for a fully mechanized mining face according to any of claims 1 to 7, wherein the human-computer interaction unit is a touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921821907.9U CN211312663U (en) | 2019-10-28 | 2019-10-28 | Water supply management system for fully mechanized mining face |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921821907.9U CN211312663U (en) | 2019-10-28 | 2019-10-28 | Water supply management system for fully mechanized mining face |
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| Publication Number | Publication Date |
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| CN211312663U true CN211312663U (en) | 2020-08-21 |
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| CN201921821907.9U Active CN211312663U (en) | 2019-10-28 | 2019-10-28 | Water supply management system for fully mechanized mining face |
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