CN109356653B - Drop shaft depth measuring device and method - Google Patents
Drop shaft depth measuring device and method Download PDFInfo
- Publication number
- CN109356653B CN109356653B CN201811297204.0A CN201811297204A CN109356653B CN 109356653 B CN109356653 B CN 109356653B CN 201811297204 A CN201811297204 A CN 201811297204A CN 109356653 B CN109356653 B CN 109356653B
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000005236 sound signal Effects 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 102220622548 Histamine N-methyltransferase_S80A_mutation Human genes 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/04—Transport of mined material in gravity inclines; in staple or inclined shafts
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention provides a drop shaft depth measuring device and method, comprising a shell, wherein the shell is provided with a display screen, a sensor interface, a relay switch interface, a network transceiver, a sound collector interface and a real-time clock, a microcontroller is arranged in the shell, and a memory electrically connected with the microcontroller. Simple structure, the reliability is high, and it is accurate to measure, and is convenient nimble, still be convenient for centralized management simultaneously, belongs to sound wave, non-contact measurement, and the durability is high.
Description
Technical Field
The invention relates to a drop shaft depth measuring device and method, and belongs to the technical field of electronic detection.
Background
At present, in the mine exploitation production process, the real-time detection of drop shaft ore material level is very important, accurate material level detection can prevent drop shaft mineral from emptying or drop shaft mineral from overflowing, so that economic loss and production accidents caused by inaccurate drop shaft material level measurement are avoided, and the defects of low automation degree, poor durability and reliability, high damage rate and the like of the traditional heavy hammer type level gauge in the use process are caused due to the fact that the drop shaft material level is deep, dust for discharging the mineral to rise is more, the drop shaft shape is irregular, grid-shaped barriers are arranged above the drop shaft and the like. Accordingly, there is a need for improvements in the art.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a device and a method for accurately measuring the depth of a drop shaft.
The invention is realized by the following technical scheme: the utility model provides a drop shaft degree of depth measuring device, which comprises a housin, be equipped with the display screen on this casing, the sensor interface, relay switch interface, network transceiver, sound collector interface, real-time clock, be equipped with microcontroller in the casing, the memory of being connected with this microcontroller electricity, its characterized in that display screen on the casing, the sensor interface, relay switch interface, network transceiver, sound collector interface, real-time clock all are connected with microcontroller electricity, the sensor interface, sound collector interface is connected with the sensor of installing in the region respectively, sound collector electricity, network transceiver passes through ethernet and server signal connection, relay switch interface and ore transmitter electricity are connected. After the sensor senses that no vehicle passes through the periphery of the sensor or a shielding object is arranged on the periphery of the sensor, the sound collector collects the sound of the surrounding environment of the sensor, signals obtained by the sensor and the sound collector are sent to the microcontroller for analysis and judgment, the relay switch interface is controlled to work, the ore emitter is started to freely fall into the ore drop shaft, the drop shaft depth data is obtained after the calculation by the microcontroller, and the drop shaft depth data is transmitted to the server through the network transceiver and the Ethernet.
The sensor is an infrared sensor or a grating sensor.
When the microcontroller calculates, the time when the ore emitter is put down from the drop shaft mouth is recorded as T1, the time when the ore emitter collected by the sound collector falls to the bottom of the drop shaft and makes sound is recorded as T2, and the drop shaft depth L (m) =1/2 gamma is 9.8 (m/s 2 ） ╳ (T2(s)-T1(s))²。
The microcontroller is connected with the sound collector and is used for collecting the surrounding environment sound of the sound collector until no sound is emitted, so that the sound of the ore emitter falling into the bottom of the drop shaft can be accurately obtained.
The microcontroller is connected with the sensor interface, and the sensor interface is connected with the sensor and is used for detecting whether a mine car or other equipment exists in the surrounding environment where the sensor is located until no mine car or other equipment exists, so that the influence of the mine car or other equipment on whether the ore emitter falls into the bottom of the drop shaft is eliminated.
The microcontroller is connected with the relay switch interface, and the relay switch interface is connected with the ore emitter for controlling the whereabouts of the ore emitter, and record the time when it falls by the well head.
The real-time clock is connected with the microcontroller and used for controlling the clock running time and recording the time for measuring the depth of the drop shaft.
The memory is connected with the microcontroller and is used for storing data.
The display screen is connected with the microcontroller and used for displaying data.
The network transceiver is connected with the microcontroller and is used for uploading data to the server through the Ethernet, so that centralized management is facilitated.
The invention discloses a method for measuring the depth of a drop shaft based on the measuring device, which comprises the following steps:
1) The method comprises the steps that after signals that no vehicle passes through or signals with shielding objects exist in an environment area are collected through a sensor, the signals are sent to a microcontroller;
2) After the sound collector collects the sound signals in the environment area, the sound signals are sent to the microcontroller;
3) After analysis and judgment are carried out through a microcontroller, after no vehicles pass through the environment area, shielding objects exist and no sound exists, a microcontroller controls a relay switch interface to work, an ore emitter is started to freely fall until the ore emitter falls to the bottom of an ore drop shaft, meanwhile, through a real-time clock, the time when the ore emitter falls down from the drop shaft mouth is recorded as T1, the time when the ore emitter collected by a sound collector falls to the bottom of the ore drop shaft is recorded as T2, and the drop shaft depth L (m) is calculated by the microcontroller according to the following formula:
draw shaft depth L (m) =1/2 x 9.8 (m/s) 2 ） ╳ (T2(s)-T1(s))²；
4) The obtained drop shaft depth is displayed on a display through the microcontroller, the obtained drop shaft depth data are stored in the memory, and meanwhile, the obtained drop shaft depth data are transmitted to the server through the network transceiver and the Ethernet, so that centralized management is facilitated.
The invention has the following advantages and effects: by adopting the scheme, after vehicles pass through or shielding objects are arranged around the sensor, surrounding environment sounds are collected through the sound collector, signals obtained by the sensor and the sound collector are sent to the microcontroller for analysis and judgment, the relay switch interface is controlled to work, the ore emitter is started to freely fall into the ore drop shaft, the drop shaft depth data are obtained after the calculation by the microcontroller, and the drop shaft depth data are transmitted to the server through the network transceiver and the Ethernet. The measuring device is simple in structure, convenient to use, high in reliability, accurate in measurement, convenient and flexible, and convenient for centralized management. Belongs to sound wave detection, is non-contact measurement, and is durable and reliable superior to the heavy hammer type level gauge in the prior art.
Drawings
FIG. 1 is a block diagram of the structure of the present invention;
FIG. 2 is a circuit diagram of a microprocessor;
FIG. 3 is a circuit diagram of a sound collector;
fig. 4 is a circuit diagram of an infrared sensor interface;
FIG. 5 is a circuit diagram of a network transceiver;
FIG. 6 is a circuit diagram of a display screen;
fig. 7 is a circuit diagram of a real-time clock.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The invention provides a drop shaft depth measuring device, which comprises a shell, wherein a display screen, a sensor interface, a relay switch interface, a network transceiver, a sound collector interface and a real-time clock are arranged on the shell, a microcontroller is arranged in the shell, and a memory electrically connected with the microcontroller is arranged in the shell, wherein the display screen, the sensor interface, the relay switch interface, the network transceiver, the sound collector interface and the real-time clock on the shell are all electrically connected with the microcontroller, the sensor interface and the sound collector interface are respectively electrically connected with a sensor and a sound collector arranged in a detected area, the network transceiver is in signal connection with a server through an Ethernet, and the relay switch interface is electrically connected with an ore emitter, as shown in figure 1;
the microcontroller adopts a chip U5 with the model of STM32F103C8T6, and 29 pins of the chip U5 are connected with a sound collector, namely 6 pins of a chip U7 with the model of MAX9184, and the chip is used for collecting the surrounding environment sound where the sound collector is positioned until no sound is emitted, so that the sound of the ore emitter falling into the bottom of the drop shaft can be accurately obtained, as shown in figures 2 and 3;
the infrared sensor interface adopts a photoelectric coupler U3 with the model number TP521-2, wherein: the 1 foot and the 3 foot are connected with a P2 signal port of a sensor P2 with the model of Header8, the 7 foot and the 5 foot are connected with the 18 foot and the 19 foot of the microcontroller U5, and are used for detecting whether a mine car or other equipment exists in the surrounding environment where the sensor is positioned until no mine car or other equipment exists, and eliminating the influence of the mine car or other equipment on whether an ore emitter falls into the bottom of a drop shaft or not, as shown in fig. 2 and 4;
the relay switch interface is SRD-5VDC-SL-C, which is connected with the relay through a conventional triode S80A 50 switch circuit (not shown) is connected with 20 pins of the microcontroller U5, and the relay switch interface is connected with the ore emitter, the ore emitter is controlled by the microcontroller to be put down from the ore pass mouth, the put down time is recorded as T1, then the time of the sound emitted by the ore emitter which is collected by the sound collector and falls to the bottom of the pass is recorded as T2, the pass depth L (m) =1/2 of 9.8 (m/s) 2 ) (T2(s) -T1 (s)) is ignored because the acoustic wave transit time is too fast and the overall measurement time is not greatly affected;
the real-time clock adopts a chip U4 with the model of PCF8563, and pins 5 and 6 of the chip U4 are connected with pins 25 and 26 of the microcontroller U5 and used for controlling the clock running time and recording the time for measuring the drop shaft depth, as shown in figures 2 and 7;
the memory adopts an AT25C64 chip, is connected with the microcontroller and is used for storing the measured drop shaft depth data;
the display screen adopts a liquid crystal control chip U1 with the model number of SSD1306, and 18 feet (DO) and 19 feet (D1) of the liquid crystal control chip are connected with 28 feet and 27 feet of the microcontroller U5 and are used for displaying the measured drop shaft depth data, as shown in figures 2 and 6;
the network transceiver adopts a network chip U2 with the model number of ENCODE28J60 (ENC 28J60 in the figure), and 6 feet, 7 feet, 8 feet and 10 feet of the network transceiver are connected with 16 feet, 17 feet, 15 feet and 14 feet of the microcontroller U5, as shown in figure 5, and the network transceiver is used for uploading the measured drop shaft depth data to a server through Ethernet and TCP/IP protocols, so that the centralized management is convenient.
The drop shaft depth measuring device provided by the invention further comprises a power supply for providing working power.
The invention discloses a method for measuring the depth of a drop shaft based on the measuring device, which comprises the following steps:
1) The method comprises the steps that after signals that no vehicle passes through or signals with shielding objects exist in an environment area are collected through a sensor, the signals are sent to a microcontroller;
2) After the sound collector collects the sound signals in the environment area, the sound signals are sent to the microcontroller;
3) After analysis and judgment are carried out through a microcontroller, after no vehicles pass through the environment area, shielding objects exist and no sound exists, a microcontroller controls a relay switch interface to work, an ore emitter is started to freely fall until the ore emitter falls to the bottom of an ore drop shaft, meanwhile, through a real-time clock, the time when the ore emitter falls down from the drop shaft mouth is recorded as T1, the time when the ore emitter collected by a sound collector falls to the bottom of the ore drop shaft is recorded as T2, and the drop shaft depth L (m) is calculated by the microcontroller according to the following formula:
draw shaft depth L (m) =1/2 x 9.8 (m/s) 2 ） ╳ (T2(s)-T1(s))²；
4) The obtained drop shaft depth is displayed on a display through the microcontroller, the obtained drop shaft depth data are stored in the memory, and meanwhile, the obtained drop shaft depth data are transmitted to the server through the network transceiver and the Ethernet, so that centralized management is facilitated.
Claims (5)
1. A method for measuring the depth of an drop shaft based on the drop shaft depth measuring device is characterized by comprising the following steps:
drop shaft degree of depth measuring device includes: the sensor interface and the sound collector interface are respectively and electrically connected with a sensor and a sound collector arranged in a measured area, the network transceiver is connected with a server through an Ethernet, and the relay switch interface is electrically connected with an ore emitter;
the microcontroller is connected with the sound collector and is used for collecting the surrounding environment sound of the sound collector until no sound is emitted, so that the sound of the ore emitter falling into the bottom of the drop shaft can be accurately obtained;
the microcontroller is connected with the sensor interface, and the sensor interface is connected with the sensor and is used for detecting whether a mine car or other equipment exists in the surrounding environment where the sensor is positioned until no mine car or other equipment exists, so that the influence of the mine car or other equipment on whether an ore emitter falls into the bottom of the drop shaft is eliminated;
the microcontroller is connected with the relay switch interface, and the relay switch interface is connected with the ore emitter and is used for controlling the ore emitter to fall down and recording the time when the ore emitter falls down from the wellhead;
the real-time clock is connected with the microcontroller and used for controlling the clock running time and recording the time for measuring the depth of the drop shaft;
the method comprises the following steps:
1) The method comprises the steps that after signals that no vehicle passes through or signals with shielding objects exist in an environment area are collected through a sensor, the signals are sent to a microcontroller;
2) After the sound collector collects the sound signals in the environment area, the sound signals are sent to the microcontroller;
3) After analysis and judgment are carried out through a microcontroller, after no vehicles pass through the environment area, shielding objects exist and no sound exists, a microcontroller controls a relay switch interface to work, an ore emitter is started to freely fall until the ore emitter falls to the bottom of an ore drop shaft, meanwhile, through a real-time clock, the time when the ore emitter falls down from the drop shaft mouth is recorded as T1, the time when the ore emitter collected by a sound collector falls to the bottom of the ore drop shaft is recorded as T2, and the drop shaft depth L (m) is calculated by the microcontroller according to the following formula:
draw shaft depth L (m) =1/2 x 9.8 (m/s) 2 ） ╳ (T2(s)-T1(s))²；
4) The obtained drop shaft depth is displayed on a display through the microcontroller, the obtained drop shaft depth data are stored in the memory, and meanwhile, the obtained drop shaft depth data are transmitted to the server through the network transceiver and the Ethernet, so that centralized management is facilitated.
2. A method of measuring a drop shaft depth based on a drop shaft depth measuring device according to claim 1, characterized in that the sensor is an infrared sensor or a grating sensor.
3. A method of measuring a drop shaft depth based on a drop shaft depth measuring device according to claim 1, characterized in that the memory is connected to a microcontroller for storing data.
4. A method of measuring a drop shaft depth based on a drop shaft depth measuring device according to claim 1, characterized in that the display screen is connected to a microcontroller for displaying data.
5. A method of measuring a drop shaft depth based on a drop shaft depth measuring device according to claim 1, characterized in that the network transceiver is connected to a microcontroller for uploading data to a server via ethernet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811297204.0A CN109356653B (en) | 2018-11-01 | 2018-11-01 | Drop shaft depth measuring device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811297204.0A CN109356653B (en) | 2018-11-01 | 2018-11-01 | Drop shaft depth measuring device and method |
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| Publication Number | Publication Date |
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| CN109356653A CN109356653A (en) | 2019-02-19 |
| CN109356653B true CN109356653B (en) | 2023-10-24 |
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