CN111239333A - Device and method suitable for monitoring air environments of different heights of cave - Google Patents

Device and method suitable for monitoring air environments of different heights of cave Download PDF

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Publication number
CN111239333A
CN111239333A CN201910918557.6A CN201910918557A CN111239333A CN 111239333 A CN111239333 A CN 111239333A CN 201910918557 A CN201910918557 A CN 201910918557A CN 111239333 A CN111239333 A CN 111239333A
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monitoring
different heights
cave
sensor
air environment
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CN201910918557.6A
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周忠发
范宝祥
朱粲粲
薛冰清
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Guizhou Education University
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Guizhou Education University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0031General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06Systems determining position data of a target
    • G01S17/08Systems determining position data of a target for measuring distance only

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Food Science & Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Immunology (AREA)
  • Medicinal Chemistry (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

The invention discloses a device and a method suitable for monitoring air environments at different heights of a cave, and the device comprises a monitoring device, an automatic telescopic rod and a telescopic bracket base, wherein the monitoring device is connected with the top end of the automatic telescopic rod, the telescopic bracket base is connected with the bottom end of the automatic telescopic rod, the monitoring device comprises a shell, and a laser range finder, a temperature sensor, a humidity sensor and a CO sensor which are all positioned in the shell2A concentration sensor. The method can measure the height of the cave monitoring point, and conveniently calculate different heights of vertical monitoring; the air environment indexes at different heights can be stably and effectively monitored; the invention has the characteristics of simple use method, high accuracy, convenient operation, cost saving and convenient carrying.

Description

Device and method suitable for monitoring air environments of different heights of cave
Technical Field
The invention relates to the technical field of environment monitoring, in particular to a device and a method suitable for monitoring air environments of caves at different heights.
Background
At present, the monitoring method for the air environment with different heights in cave air generally fixes an air environment monitoring instrument on a telescopic rod, namely, the instrument is hung on a hook at the front section of the telescopic rod, or a pulley is adopted, one end is hung on a heavy object, the other end is hung on the instrument, and the instrument is lifted to a certain height by utilizing the pulley. However, in the actual monitoring process, due to the complexity of the cave structure, the heights monitored in different places generally need to be considered, and the height of the existing telescopic rod cannot meet the requirements of monitoring at different heights in the cave, and the telescopic rod is inconvenient to carry and not strong in practicability. Meanwhile, in the process of monitoring air environments with different heights, because the air environments with different heights are monitored, when the instrument reaches a target height, the air environment monitoring instrument can be stable after waiting for a certain time, but because the rod is held by people unstably and the measurement time is long, the interference on monitoring is increased, the requirement on the monitoring precision cannot be well met, and therefore the measurement instrument configuration which is convenient, stable and convenient to carry is needed.
Disclosure of Invention
The invention aims to provide an independent, convenient and cost-saving device and method suitable for monitoring air environments with different heights of a cave.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a device suitable for cave CO-altitude air circumstance monitoring, it includes monitoring devices, automatic telescopic link and telescoping shoring column base, monitoring devices can dismantle with the top of automatic telescopic link and be connected, the telescoping shoring column base can be dismantled with the bottom of automatic telescopic link and be connected, monitoring devices includes the shell and all lies in laser range finder, temperature sensor, humidity transducer and the CO of shell2A concentration sensor, the laser range finder is arranged at the upper part of the shell, one side of the shell is provided with a plurality of vent holes, and the temperature sensor, the humidity sensor and the CO are arranged2The concentration sensors are arranged in parallel and are respectively communicated with the vent holes, and the temperature sensor, the humidity sensor and the CO are2The concentration sensors are spaced apart from each other by a sealing plate.
In some embodiments, the monitoring device further comprises a power source that is in communication with the laser range finder, the temperature sensor, the humidity sensor, and the CO2The concentration sensor is electrically connected.
In some embodiments, the monitoring device further comprises a display screen fixed to one side of the housing, the display screen being connected to the power supply, the laser range finder, the temperature sensor, the humidity sensor, and the CO, respectively2The concentration sensor is electrically connected.
In some embodiments, the device further comprises a data receiving and controlling device, the monitoring device further comprises a bluetooth, the bluetooth is fixed in the shell, and the bluetooth and the laser range finder, the temperature sensor, the humidity sensor and the CO are arranged in the shell2The concentration sensor is electrically connected.
In some embodiments, the monitoring device further comprises an external charging interface, a power switch and a charging indicator light, wherein the external charging interface, the power switch and the charging indicator light are all connected with the power supply and are all arranged at the edge of the shell.
In some embodiments, the monitoring device further includes a USB interface, and the USB interface is electrically connected to the display screen.
In some embodiments, the telescoping support base includes a base securing ring and telescoping struts, one end of the telescoping struts being hinged to the base securing ring, the telescoping struts being arranged in 3 groups.
The invention also provides a monitoring method suitable for air environments with different heights of the cave, which comprises the following steps:
1) mounting the telescoping support base to the measurement position: unfolding a telescopic strut of a telescopic bracket base and lifting the telescopic strut;
2) starting up and preheating the device: starting up and preheating the device by pressing a power switch;
3) measuring the height of the cave by using a laser range finder, and calculating different heights of vertical monitoring of cave monitoring points;
4) setting monitoring states and monitoring parameters required by the instrument;
5) the automatic telescopic rod is stretched to enable the monitoring instrument to be lifted to the height for drawing detection;
6) and starting the relevant instrument to measure the concentration, the temperature and the humidity of the CO2, and reading the measured data on a display screen.
In some embodiments, the monitoring parameters in step 4 include time interval of data logging, different heights whether automatic monitoring and vertical monitoring are enabled.
In some embodiments, the related instrument started in step 6) is connected to an external device through a bluetooth connection instrument or an external USB interface, so as to adjust and control the device at any time to achieve a desired state of the device.
The invention has the beneficial effects that: the monitoring instrument provided by the invention is provided with the laser range finder, can measure the height of the cave monitoring point, and can conveniently calculate different heights of vertical monitoring. The monitoring instrument is also provided with an automatic telescopic rod, so that the measuring requirements of different heights in the cave air environment can be met, and data can be effectively acquired. The monitoring instrument provided by the invention is provided with the base, so that the air environment indexes with different heights can be stably and effectively monitored. The invention has the characteristics of simple use method, high accuracy, convenient operation, cost saving and convenient carrying.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for monitoring air environment at different heights in a cave according to the present invention;
FIG. 2 is a schematic external view of the apparatus of FIG. 1 adapted for use in monitoring the air environment at different heights in a cavern;
FIG. 3 is a schematic diagram of the internal structure of the apparatus shown in FIG. 2, which is suitable for monitoring the air environment at different heights in the cavern;
fig. 4 is a schematic structural diagram of the connection part of the automatic telescopic rod and the telescopic bracket base of the device suitable for monitoring the air environment at different heights of the cave shown in fig. 1.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
Example 1
Fig. 1-4 schematically show an apparatus for monitoring the air environment at different heights in a cave according to an embodiment of the invention.
Referring to fig. 1-4, the device suitable for monitoring the air environment of different heights of a cave comprises a monitoring device 1, an automatic telescopic rod 3 and a telescopic bracket base 4, wherein the monitoring device 1 is detachably connected with the top end of the automatic telescopic rod 3, and the telescopic bracket base 4 is detachably connected with the bottom end of the automatic telescopic rod 3.
The monitoring device 1 comprises a shell 11, and a laser range finder 12, a temperature sensor 13, a humidity sensor 14, a CO2 concentration sensor 15, a power supply 16, a display screen 17, an external charging interface 18, a power switch 19, a charging indicator light 20, a USB interface 21, a key 22 and Bluetooth which are all positioned in the shell 11.
The laser range finder 12 is positioned at the upper part of the shell 11, a plurality of vent holes 111 are arranged at one side of the shell 11, the temperature sensor 13, the humidity sensor 14 and the CO2 concentration sensor 15 are arranged in parallel and respectively communicated with the vent holes 111, and the temperature sensor 13, the humidity sensor 14 and the CO2 concentration sensor 15 are mutually separated by a sealing plate. The temperature sensor 13 is located on the left side of the CO2 concentration sensor 15 and the humidity sensor 14 is located on the right side of the CO2 concentration sensor 15. The temperature sensor 13 mainly receives the air temperature signal and converts it into digital signal to be displayed on the screen. The humidity sensor 14 is mainly used for receiving the air humidity signal and converting the air humidity signal into a digital signal to be displayed on a screen. The CO2 concentration sensor 15 mainly receives the air CO2 concentration signal and converts the signal into a digital signal to be displayed on a screen. The laser range finder 12 is mainly used for measuring the height of a cave monitoring point and calculating different heights of vertical monitoring.
The power supply 16 is the main power supply equipment in the device, a non-detachable storage battery is arranged in the power supply 16, and the power supply 16 is electrically connected with the laser distance measuring instrument 12, the temperature sensor 13, the humidity sensor 14 and the CO2 concentration sensor 15 and can provide electric energy for the laser distance measuring instrument 12, the temperature sensor 13, the humidity sensor 14 and the CO2 concentration sensor 15.
The display screen 17 is fixed on one side of the shell 11, and the display screen 17 is electrically connected with the power supply 16, the laser range finder 12, the temperature sensor 13, the humidity sensor 14 and the CO2 concentration sensor 15 respectively. The display screen 17 is mainly used for displaying indexes such as temperature, humidity and CO2 concentration of air with different heights, and connecting conditions and electric quantity of instruments and external equipment.
The key 22 is connected with a plurality of related components, the key 22 comprises three types of keys, namely a regulating module, a fixing module and a direction module, the buttons of the regulating module are mainly used for setting related parameters of a sensor, the fixing module is mainly used for controlling the ascending, descending and fixing of the telescopic rod, and the direction module can select and open corresponding programs in a screen.
The bluetooth is fixed in shell 11, bluetooth and laser rangefinder 12, temperature sensor 13, humidity transducer 14 and CO2 concentration sensor 15 electric connection. Bluetooth and external data receiving and controlling means wireless connection, mainly used are connected with the external equipment to effectively control the instrument and carry out the monitoring activity in vertical monitoring process.
External interface 18 that charges, switch 19 and charge indicator 20 all are connected with power 16 and all set up in the edge of shell 11. The external charging interface 18 is connected with a power supply through a wire, and is mainly used for supplying power to the instrument or supplementing electric energy. The power switch 19 is mainly used for controlling the working state and stop of the instrument and controlling whether the power supply is electrified or not. The charge indicator light 20 mainly indicates the charging state of the instrument and is divided into two light colors of charging and full charging.
The USB interface 21 is electrically connected to the display 17 through a wire. The device is mainly used for connecting an external data receiving and controlling device, such as a mobile phone or a flat panel.
The automatic telescopic rod 3 comprises a telescopic sleeve pipe set, a telescopic driving mechanism positioned in the telescopic sleeve pipe set, a positive and negative motor for controlling the telescopic driving mechanism and an automatic telescopic button. The telescopic sleeve group is at least provided with three sections of sleeves, the sleeves do not rotate mutually and are provided with an anti-falling mechanism, and the telescopic driving mechanism comprises at least three mutually screwed screws. Through controlling the positive and negative motors, the screws which are in threaded connection with each other rotate to change the length of the telescopic driving mechanism, and the telescopic driving mechanism drives the telescopic sleeve group to realize the functions of automatic expansion and contraction and realize stable positioning within the telescopic length range.
The telescopic bracket base 4 includes a base fixing ring 41 and telescopic struts 42, one end of the telescopic struts 42 is hinged with the base fixing ring 41, and the telescopic struts 42 are set to 3 groups. The telescopic supporting rod 42 mainly comprises a plurality of layers of rod pieces which are mutually sleeved, the diameter of the inner layer telescopic rod is smaller than that of the outer layer, a fixed supporting part is arranged at the position with different heights of each telescopic rod, and a slidable button is arranged beside the interface of each telescopic rod, so that the telescopic rods can be fixed on a certain length according to the set height. The foldable air environment monitoring instrument is foldable and telescopic, so that the air environment monitoring instrument can be stably carried out.
Example 2
The invention also provides a monitoring method suitable for air environments with different heights of the cave, which comprises the following steps:
1) mounting the telescoping support base to the measurement position: unfolding the telescopic strut 42 of the telescopic bracket base 4 and lifting the telescopic strut 42; the fixed button is slid to a movable state, the torsion ring is rotated, the telescopic rod is lifted, and the fixed button is rotated to a locking state.
2) Starting up and preheating the device: starting up and preheating the device by pressing a power switch 19;
3) measuring the height of the cave by using a laser range finder 12, and calculating different heights of vertical monitoring of cave monitoring points;
4) setting monitoring states and monitoring parameters required by the instrument;
the monitoring parameters include the time interval for recording data, whether automatic monitoring and different heights of vertical monitoring are enabled.
5) The automatic telescopic rod 3 is stretched to enable the monitoring instrument to be lifted to the height for drawing detection;
6) and starting the relevant instrument to measure the concentration, the temperature and the humidity of the CO2, and reading the measured data on a display screen. The instrument is connected by Bluetooth, the instrument is started to measure the concentration, temperature and humidity of CO2, the measuring time is generally 5 minutes, and finally, data are read on a display screen. If the Bluetooth connection has problems, an external USB interface can be used for connecting to external equipment, and the equipment can be regulated and controlled at any time to reach the required state of the equipment.
The above description is only for the embodiments of the present invention, and it is obvious to those skilled in the art that various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims (10)

1. The device suitable for monitoring the air environments of different heights of a cave is characterized by comprising a monitoring device (1), an automatic telescopic rod (3) and a telescopic bracket base (4), wherein the monitoring device (1) is detachably connected with the top end of the automatic telescopic rod (3), and the telescopic bracket base (4) is detachably connected with the bottom end of the automatic telescopic rod (3); the monitoring device (1) comprises a shell (11), and a laser range finder (12), a temperature sensor (13), a humidity sensor (14) and CO which are positioned in the shell (11)2A concentration sensor (15), wherein the laser range finder (12) is positioned at the upper part of the shell (11); a plurality of vent holes (111) are formed in one side of the shell (11), and the temperature sensor (13), the humidity sensor (14) and the CO are connected2The concentration sensors (15) are arranged in parallel and are respectively communicated with the vent holes (111), and the temperature sensor (13), the humidity sensor (14) and the CO are arranged in parallel2The concentration sensors (15) are spaced apart from each other by a sealing plate.
2. Device for the detection of the air environment at different heights in a cave according to claim 1, characterized in that the monitoring device (1) further comprises a power supply (16), and the power supply (16) is connected with the laser range finder (12), the temperature sensor (13), the humidity sensor (14) and the CO2The concentration sensor (15) is electrically connected.
3. Device for the air environment monitoring of different heights of a cave according to claim 2, characterized in that the monitoring device (1) further comprises a display screen (17), the display screen (17) is fixed on one side of the casing (11), and the display screen (17) is respectively connected with the power supply (16), the laser range finder (12), the temperature sensor (13), the humidity sensor (14) and the CO2The concentration sensor (15) is electrically connected.
4. According to claimThe device suitable for monitoring the air environment of the cave at different heights is characterized by further comprising a data receiving and controlling device, the monitoring device (1) further comprises a Bluetooth, the Bluetooth is fixed in the shell (11), and the Bluetooth, the laser range finder (12), the temperature sensor (13), the humidity sensor (14) and the CO are connected through the Bluetooth, the laser range finder (13), the humidity sensor (14) and the CO2The concentration sensor (15) is electrically connected.
5. The device for monitoring the air environment of the cave at different heights is characterized in that the monitoring device (1) further comprises an external charging interface (18), a power switch (19) and a charging indicator lamp (20), wherein the external charging interface (18), the power switch (19) and the charging indicator lamp (20) are connected with a power source (16) and are arranged at the edge of the shell (11).
6. The device for monitoring the air environment at different heights in the cave according to claim 3, wherein the monitoring device (1) further comprises a USB interface (21), and the USB interface (21) is electrically connected with the display screen (17).
7. The device for monitoring the air environment at different heights of the cave in accordance with claim 3, wherein the telescopic bracket base (4) comprises a base fixing ring (41) and telescopic struts (42), one end of each telescopic strut (42) is hinged with the base fixing ring (41), and the telescopic struts (42) are arranged into 3 groups.
8. A method for monitoring air environment at different heights of a cave is characterized by comprising the following steps:
1) mounting the telescoping support base to the measurement position: unfolding a telescopic strut of a telescopic bracket base and lifting the telescopic strut;
2) starting up and preheating the device: starting up and preheating the device by pressing a power switch;
3) measuring the height of the cave by using a laser range finder, and calculating different heights of vertical monitoring of cave monitoring points;
4) setting monitoring states and monitoring parameters required by the instrument;
5) the automatic telescopic rod is stretched to enable the monitoring instrument to be lifted to the height for drawing detection;
6) the instrument was started to measure the CO2 concentration, temperature and humidity, and the measured data were read on the display screen.
9. The method for monitoring the air environment in the cave at different heights according to claim 8, wherein the monitoring parameters in the step 4 comprise time intervals for recording data, and whether the automatic monitoring and the vertical monitoring are enabled at different heights.
10. The method for monitoring the air environment at different heights in the cave according to claim 8, wherein the relevant instruments started in the step 6) are connected with the instruments through Bluetooth or are connected with external equipment through an external USB interface, so that the equipment can be regulated and controlled to reach the required state at any time.
CN201910918557.6A 2019-09-26 2019-09-26 Device and method suitable for monitoring air environments of different heights of cave Pending CN111239333A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118090657A (en) * 2024-02-28 2024-05-28 南通大学 Cave carbon dioxide concentration detector combining long-term mode and short-term mode and detection method thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3016268U (en) * 1995-03-28 1995-09-26 東洋熱工業株式会社 Temperature / humidity / wind velocity measuring device
CN201508339U (en) * 2009-09-26 2010-06-16 邯郸派瑞电器有限公司 Air mass monitor with USB interface
CN206671282U (en) * 2017-03-29 2017-11-24 泉州市中知信息科技有限公司 A kind of device of environmental monitoring inorganization sampling
CN206891482U (en) * 2017-05-22 2018-01-16 成都大学 A kind of Temperature Humidity Sensor
CN207751837U (en) * 2018-01-30 2018-08-21 领航高企(北京)科技有限公司 A kind of environment monitoring device
CN208721659U (en) * 2018-09-14 2019-04-09 石家庄泽辰新能源科技有限公司 A kind of air monitering equipment convenient to use
CN208998850U (en) * 2018-12-19 2019-06-18 长春光华学院 A kind of environment monitoring device based on wireless sensor network
CN209342677U (en) * 2018-09-29 2019-09-03 江苏中聚检测服务有限公司 The air detection instrument that the air in different height space is detected
CN211553903U (en) * 2019-09-26 2020-09-22 贵州师范大学 Device suitable for cave different altitude air circumstance monitoring

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3016268U (en) * 1995-03-28 1995-09-26 東洋熱工業株式会社 Temperature / humidity / wind velocity measuring device
CN201508339U (en) * 2009-09-26 2010-06-16 邯郸派瑞电器有限公司 Air mass monitor with USB interface
CN206671282U (en) * 2017-03-29 2017-11-24 泉州市中知信息科技有限公司 A kind of device of environmental monitoring inorganization sampling
CN206891482U (en) * 2017-05-22 2018-01-16 成都大学 A kind of Temperature Humidity Sensor
CN207751837U (en) * 2018-01-30 2018-08-21 领航高企(北京)科技有限公司 A kind of environment monitoring device
CN208721659U (en) * 2018-09-14 2019-04-09 石家庄泽辰新能源科技有限公司 A kind of air monitering equipment convenient to use
CN209342677U (en) * 2018-09-29 2019-09-03 江苏中聚检测服务有限公司 The air detection instrument that the air in different height space is detected
CN208998850U (en) * 2018-12-19 2019-06-18 长春光华学院 A kind of environment monitoring device based on wireless sensor network
CN211553903U (en) * 2019-09-26 2020-09-22 贵州师范大学 Device suitable for cave different altitude air circumstance monitoring

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118090657A (en) * 2024-02-28 2024-05-28 南通大学 Cave carbon dioxide concentration detector combining long-term mode and short-term mode and detection method thereof

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