CN106644610B - Mobile remote unattended liquid level volatile gas automatic detection device and use method thereof - Google Patents
Mobile remote unattended liquid level volatile gas automatic detection device and use method thereof Download PDFInfo
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- CN106644610B CN106644610B CN201710047135.7A CN201710047135A CN106644610B CN 106644610 B CN106644610 B CN 106644610B CN 201710047135 A CN201710047135 A CN 201710047135A CN 106644610 B CN106644610 B CN 106644610B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B2035/006—Unmanned surface vessels, e.g. remotely controlled
- B63B2035/008—Unmanned surface vessels, e.g. remotely controlled remotely controlled
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
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Abstract
The invention discloses a movable remote unattended liquid level volatile gas automatic detection device, which comprises a floating plate and a gas collection chamber, wherein the floating plate is provided with a propeller motor and a propeller, an anchor chain storage box is fixed on the floating plate, an anchor chain motor is arranged on the anchor chain storage box, an anchor chain is arranged in the anchor chain storage box, the anchor chain is connected with an anchor, a pressure sensor is fixed on the anchor chain storage box, the gas collection chamber is provided with a moving door, the upper part of the gas collection chamber is provided with a traction device, the traction device comprises a first gear, a second gear and a driving belt, the driving belt is connected with an electric cylinder, the electric cylinder comprises a cylinder seat and an electric rod, and a power supply, a central control chip and a wireless receiver are fixed on the floating plate or the gas collection chamber. The invention has the advantages of being capable of moving on the water surface by remote control, being capable of being positioned in the middle of the detected water body and being accurate in detection.
Description
Technical Field
The invention belongs to the technical field of gas sampling devices, and particularly relates to a movable remote unattended liquid level volatile gas automatic detection device.
Background
The current in-situ sampling method for the volatile gas in sewage is mainly a closed air chamber method. The unit area of a certain closed container is covered on the water surface of the sewage to be detected, so that the water surface is kept sealed, and the volatilization amount of the detected gas on the sewage surface in the closed container is measured in unit time. The existing sampling device with the closed air chamber structure needs to be used for detecting the liquid level in the middle of a large-scale water body, for example, when the volatilization amount of detected gas at the center of a lake is detected, a detector needs to take a ship to the center of the lake, then the closed air chamber is placed on the water surface, and when the detection is finished, the detector is taken by the ship to go to the center of the lake and is recovered. The closed air chamber structure has three obvious defects, namely, the ship is required to be ridden in each detection, the manpower and material resources are consumed, the detection is inconvenient, the closed air chamber can only be detected on a calm lake surface, once the calm lake surface is encountered, the closed air chamber can be blown away to cause detection failure, and the gas in the closed air chamber and the gas on the lake surface are different in composition when the closed air chamber is just put on the lake surface, and the original gas in the closed air chamber can influence the detection accuracy.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the movable remote unattended liquid level volatile gas automatic detection device which can move on the water surface through remote control, can be positioned in the middle of the detected water body and can accurately detect the volatile gas and the application method thereof.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a gaseous automatic checkout device of portable long-range unmanned on duty liquid level volatilizees, includes kickboard and lower part open-ended gas collection room, is provided with the logical chamber that link up from top to bottom on the kickboard, and gas collection room lower part inserts in leading to the chamber with the kickboard seal fixed, when the kickboard was placed on the surface of water, gas collection room lower limb submergence made the lower part opening of gas collection room closed by the water completely in the aquatic, and gas pumping hole and barometric pressure balance hole have been seted up on gas collection room upper portion, wherein: the floating plate is provided with a propeller motor and a propeller, the propeller motor is connected with the propeller and can drive the propeller to rotate, the propeller is positioned in the floating plate, the propeller extends out of the floating plate and is immersed in water, an anchor chain storage box is fixed on the floating plate, an anchor chain motor is installed on the anchor chain storage box, an anchor chain is placed in the anchor chain storage box, one end of the anchor chain extends out of the anchor chain storage box and is connected with an anchor, the anchor chain can drive the anchor chain to rotate out of the anchor chain storage box or rotate into the anchor chain storage box, a pressure sensor is fixed on the anchor chain storage box, one end of the anchor chain fixed with the anchor penetrates through the pressure sensor, the pressure sensor can sense the tension of the anchor to the anchor chain, a sliding door which is in sealing fit with the gas collection chamber is respectively arranged on the left side and the right side of the gas collection chamber, the upper end of the sliding door is hinged with the upper end of the gas collection chamber, the lower end of the sliding door is a movable end, a pulling device is arranged on the upper part of the gas collection chamber, the traction device comprises a first gear, a second gear and a driving belt, wherein the driving belt is wound on the first gear and the second gear in an 8 shape, an electric cylinder is connected to the driving belt, the electric cylinder comprises a cylinder seat and an electric rod, the electric rod penetrates through the cylinder seat, two ends of the electric rod are connected to the driving belt, the electric cylinder can push the electric rod to move in the cylinder seat, the first gear, the second gear and the cylinder seat are respectively fixed on the upper part of a gas collection chamber, a traction wire is wound on wheel shafts of the first gear and the second gear respectively, the traction wire is respectively fixedly connected with a corresponding sliding door, when the first gear and the second gear rotate, the traction wire can traction the sliding door, the sliding door rotates relative to the gas collection chamber, so that the gas collection chamber is indoor and outdoor transparent, a power supply, a central control chip and a wireless receiver are fixed on a floating plate or the gas collection chamber, the central control chip and a propeller motor, the power supply is respectively connected with and supplies power to the propeller motor, the anchor chain motor, the electric cylinder, the pressure sensor, the central control chip and the wireless receiver, and the wireless receiver is used for receiving onshore instructions and transmitting the instructions to the central control chip.
In order to optimize the technical scheme, the specific measures adopted further comprise:
the box core column is arranged in the anchor chain storage box, the anchor chain is wound on the box core column, the box core column is fixedly connected with the rotating shaft of the anchor chain motor, and when the anchor chain motor rotates, the box core column is driven to rotate, and the anchor chain is rotated out of or into the anchor chain storage box according to the forward rotation or the reverse rotation of the anchor chain motor.
The pressure sensor comprises a sensing plate, the anchor chain penetrates through the sensing plate and is in friction fit with the sensing plate, and the pressure sensor can sense the friction force between the sensing plate and the anchor chain.
The upper part of the gas collection chamber is fixedly provided with a gear seat, the first gear and the second gear are respectively fixed in the corresponding gear seats, and the first gear and the second gear can rotate in the gear seats.
The air extraction hole is used for inserting an air extraction pipe for connecting the gas component detector, and the air pressure balancing hole is used for communicating the gas collection chamber with the outside air, so that the air pressure in the gas collection chamber and the outside air pressure are balanced when the air extraction pipe extracts air.
The lower part of the gas collection chamber is provided with a plurality of fixing plates, the lower part of the floating plate is provided with a fixing groove matched with the fixing plates, and the lower end of the gas collection chamber is inserted into the lower part of the through cavity, so that the fixing plates are fixed in the fixing groove.
The gas collection chamber is made of transparent materials.
The upper part of the gas collection chamber is provided with a bracket, the gas component detector is arranged on the bracket, and the bracket is provided with a rain shielding ceiling above the gas component detector.
The application method of the mobile remote unattended liquid level volatile gas automatic detection device comprises the following steps:
firstly, inserting a gas collection chamber into a through cavity of a floating plate, fixing a fixed plate in a fixed groove, enabling the gas collection chamber to be connected with the floating plate in a sealing mode, inserting one end of an exhaust pipe into an exhaust hole, and connecting the other end of the exhaust pipe with a gas component detector;
step two, placing a movable remote unattended liquid level volatile gas automatic detection device into a detected water body to float, then using a wireless controller to send a command to a central control chip, driving a propeller motor to rotate by the central control chip, opening the detection device to a lake center, and stopping the rotation of the propeller motor by the central control chip after the detection device reaches a proper position;
step three, the central control chip controls the anchor chain motor to rotate positively, the anchor chain is rotated out of the anchor chain storage box, the anchor is continuously sunk into water, the anchor chain can generate constant sliding friction force on the induction plate in the sinking process, after the anchor is sunk, the anchor chain loses tension, the anchor chain cannot sense that the friction force is greatly reduced or lost through the induction plate, the pressure sensor senses that the friction force is specially transmitted to the central control chip, and the central control chip stops the operation of the anchor chain motor;
step four, the central control chip controls the electric cylinder to operate, the electric cylinder drives the first gear and the second gear to rotate, the two sliding doors are opened together, the gas collection chamber is made into a left-right transparent structure, the gas in the gas collection chamber and the lake surface gas are fused into a whole, after one end of time, the central control chip controls the electric cylinder to reversely operate, and the two sliding doors are closed;
step five, the gas component detector extracts gas in the gas collection chamber to detect, and after detection, the gas component detector stores data;
step six, repeating the step four and the step five for a plurality of times after the detection is completed, and obtaining array data;
and seventh, the control chip controls the anchor chain motor to rotate reversely to recover anchors, then drives the propeller motor to operate, and opens the detection device back to the lake side to recover.
The invention relates to a movable remote unattended liquid level volatile gas automatic detection device which mainly comprises two structures of a floating plate and a gas collection chamber, wherein the density of the floating plate is smaller than that of water, so that the gas detection device can float on the water surface, the gas collection chamber is a cover body with an opening at the lower part, when the device floats on the water surface, the opening at the lower part of the gas collection chamber is immersed in water, and the covered water surface volatile gas flows into the gas collection chamber, so that the volatile gas is detected by a detector. Compared with the prior art, the invention has the following advantages:
1. the device is provided with the propeller, the central control chip and the wireless receiver for remote control, and a user can operate the detection device on the shore to move towards the direction of the lake center, so that the user does not need to take a ship, and the consumption of manpower and material resources can be greatly reduced.
2. The anchor can be stopped at the middle part of the detected water body, can resist larger stormy waves and ensures that the detection can be normally carried out.
3. Before detection, the sliding door can be opened to enable the gas in the gas collection chamber to be fully mixed with the lake surface gas, and then the sliding door is closed, so that the components of the gas in the gas collection chamber are consistent with those of the lake surface gas, the detection error is reduced, and the precision is improved.
4. The support is installed on gas acquisition room upper portion, and the support top is provided with the ceiling that keeps off the rain, and gas composition detector can direct mount on gas acquisition room, collects data in real time, when waiting to retrieve the device on the bank, downloads data from gas composition detector again, need not the people and guard on the bank, reduces the manpower consumption.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a side cross-sectional view of FIG. 1;
FIG. 4 is a schematic view of a sliding door when open;
FIG. 5 is a bottom view of the present invention;
fig. 6 is a schematic circuit configuration of the present invention.
Wherein the reference numerals are as follows: the floating plate 1, the through cavity 11, the propeller motor 12, the propeller 13, the anchor chain storage box 14, the box stem 14a, the anchor chain motor 15, the anchor chain 16, the anchor 17, the pressure sensor 18, the sensing plate 18a, the gas collection chamber 2, the gas pumping hole 21, the gas pressure balance hole 22, the sliding door 23, the gear seat 24, the fixing plate 25, the traction device 3, the first gear 31, the second gear 32, the transmission belt 33, the electric cylinder 34, the cylinder seat 34a, the electric rod 34b, the traction wire 35, the power supply 4, the wireless receiver 5, the bracket 6, the gas component detector 61, the gas pumping pipe 62 and the rain shielding ceiling 63.
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
the invention relates to a movable remote unmanned liquid level volatile gas automatic detection device, which comprises a floating plate 1 and a gas collection chamber 2 with an opening at the lower part, wherein a through cavity 11 which is penetrated up and down is arranged on the floating plate 1, the lower part of the gas collection chamber 2 is inserted into the through cavity 11 to be sealed and fixed with the floating plate 1, when the floating plate 1 is placed on a water surface, the lower edge of the gas collection chamber 2 is completely immersed in the water to ensure that the opening at the lower part of the gas collection chamber 2 is closed by a water body, the upper part of the gas collection chamber 2 is provided with a suction hole 21 and a pneumatic balance hole 22, the floating plate 1 is provided with a screw motor 12 and a screw 13, the screw motor 12 is connected with the screw 13 and can drive the screw 13 to rotate, the screw motor 12 is positioned in the floating plate 1, the screw 13 extends out of the floating plate 1 and is immersed in the water, a chain storage box 14 is fixed on the floating plate 1, a chain storage box 15 is arranged on the chain storage box 14, the anchor chain 16 is arranged in the anchor chain storage box 14, one end of the anchor chain 16 extends out of the anchor chain storage box 14 and is connected with an anchor 17, the anchor chain motor 15 can drive the anchor chain 16 to rotate out of the anchor chain storage box 14 or rotate into the anchor chain storage box 14, a pressure sensor 18 is fixed on the anchor chain storage box 14, one end of the anchor chain 16 fixed with the anchor 17 penetrates through the pressure sensor 18, the pressure sensor 18 can sense the tension of the anchor 17 to the anchor chain 16, a sliding door 23 which is in sealing fit with the gas collection chamber 2 is respectively arranged on the left side and the right side of the gas collection chamber 2, the upper end of the sliding door 23 is hinged with the upper end of the gas collection chamber 2, the lower end of the sliding door 23 is a movable end, a traction device 3 is arranged on the upper part of the gas collection chamber 2, the traction device 3 comprises a first gear 31, a second gear 32 and a driving belt 33, the driving belt 33 is wound on the first gear 31 and the second gear 32 in an 8 shape, an electric cylinder 34 is connected on the driving belt 33, the electric cylinder 34 comprises a cylinder seat 34a and an electric rod 34b, the electric rod 34b penetrates through the cylinder seat 34a, two ends of the electric rod 34b are connected to the transmission belt 33, the electric rod 34b can be pushed by the electric cylinder 34 to move in the cylinder seat 34a, the first gear 31, the second gear 32 and the cylinder seat 34a are respectively fixed on the upper part of the gas collection chamber 2, a traction wire 35 is wound on the wheel shafts of the first gear 31 and the second gear 32, the traction wire 35 is respectively fixedly connected with the corresponding sliding door 23, when the first gear 31 and the second gear 32 rotate, the traction wire 35 can pull the sliding door 23, the sliding door 23 rotates relative to the gas collection chamber 2, so that the gas collection chamber 2 is transparent and transparent, a power supply 4, a central control chip and a wireless receiver 5 are fixed on the floating plate 1 or the gas collection chamber 2, the central control chip is connected with the propeller motor 12, the chain motor 15, the electric cylinder 34, the pressure sensor 18 and the wireless receiver 5 and controls the operation of the propeller motor 12, the anchor chain motor 15 and the electric cylinder 34, and the power supply 4 is respectively connected with the electric anchor chain motor 12, the electric anchor chain 18, the pressure sensor 18 and the wireless receiver 5 and the wireless receiver is used for transmitting instructions to the central control chip and the wireless receiver.
In the embodiment, a box stem 14a is disposed in the anchor chain storage box 14, the anchor chain 16 is wound around the box stem 14a, the box stem 14a is fixedly connected with a rotation shaft of the anchor chain motor 15, and when the anchor chain motor 15 rotates, the box stem 14a is driven to rotate, and according to forward rotation or reverse rotation of the anchor chain motor 15, the anchor chain 16 is rotated out of or into the anchor chain storage box 14.
In an embodiment wherein pressure sensor 18 includes a sensing plate 18a, and anchor chain 16 extends through sensing plate 18a and is in frictional engagement with sensing plate 18a, pressure sensor 18 is capable of sensing the amount of friction between sensing plate 18a and anchor chain 16.
In the embodiment, the upper part of the gas collection chamber 2 is fixed with a gear seat 24, the first gear 31 and the second gear 32 are respectively fixed in the corresponding gear seat 24, and the first gear 31 and the second gear 32 can rotate in the gear seat 24.
In the embodiment, the air pumping hole 21 is used for inserting an air pumping pipe for connecting the gas component detector, and the air pressure balancing hole 22 is used for communicating the gas collection chamber 2 with the outside air, so that the air pressure in the gas collection chamber 2 is balanced with the outside air pressure when the air pumping pipe pumps air.
In the embodiment, the lower part of the gas collection chamber 2 is provided with a plurality of fixing plates 25, the lower part of the floating plate 1 is provided with fixing grooves matched with the fixing plates 25, and the lower end of the gas collection chamber 2 is inserted into the lower part of the through cavity 11, so that the fixing plates 23 are fixed in the fixing grooves.
In an embodiment, the gas collection chamber 2 is made of a transparent material.
In the embodiment, the upper part of the gas collection chamber 2 is provided with a bracket 6, the gas composition detector 61 is mounted on the bracket 6, and the bracket 6 is provided with a weather ceiling 63 above the gas composition detector 61.
The central control chip and the wireless receiver 5 are integrated into a whole, so that the structure of the central control chip is not shown in the drawings of the specification, and the central control chip can be a singlechip.
The application method of the mobile remote unattended liquid level volatile gas automatic detection device comprises the following steps:
step one, inserting a gas collection chamber 2 into a through cavity 11 of a floating plate 1, fixing a fixed plate 23 in a fixed groove 12, enabling the gas collection chamber 2 to be in sealing connection with the floating plate 1, inserting one end of an exhaust tube 3 into an exhaust hole 21, and connecting the other end of the exhaust tube 3 with a gas component detector 61;
step two, placing a movable remote unattended liquid level volatile gas automatic detection device into a detected water body to float, then using a wireless controller to send a command to a central control chip, driving a propeller motor 12 to rotate by the central control chip, opening the detection device to a lake center, and stopping the rotation of the propeller motor 12 by the central control chip after the detection device reaches a proper position;
step three, the central control chip controls the anchor chain motor 15 to rotate positively, the anchor chain 16 rotates out of the anchor chain storage box 14, the anchor 17 enters water and continuously sinks, in the sinking process, the anchor chain 16 can generate constant sliding friction force on the induction plate 18a, after the anchor 17 sinks, the anchor chain 16 loses tension, the anchor chain 16 cannot sense that the friction force is greatly reduced or disappears through the induction plate 18a, the signal is specially transmitted to the central control chip, and the central control chip stops the operation of the anchor chain motor 15;
step four, the central control chip controls the electric cylinder 34 to operate, the electric cylinder 34 drives the first gear 31 and the second gear 32 to rotate, the two sliding doors 23 are opened together, the gas collection chamber 2 is made into a left-right transparent structure, the gas in the gas collection chamber 2 and the lake surface gas are fused into a whole, after a certain period of time, the central control chip controls the electric cylinder 34 to reversely operate, and the two sliding doors are closed;
step five, the gas component detector 61 extracts the gas in the gas collection chamber 2 to detect, and after the detection is completed, the gas component detector 61 stores data;
step six, repeating the step four and the step five for a plurality of times after the detection is completed, and obtaining array data;
and step seven, the control chip controls the anchor chain motor 15 to rotate reversely, the anchor 17 is recovered, then the propeller motor 12 is driven to operate, and the detection device is started to return to the lake side for recovery.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the invention without departing from the principles thereof are intended to be within the scope of the invention as set forth in the following claims.
Claims (4)
1. The use method of the mobile remote unattended liquid level volatile gas automatic detection device is characterized in that the mobile remote unattended liquid level volatile gas automatic detection device comprises a floating plate (1) and a gas collection chamber (2) with an opening at the lower part, the floating plate (1) is provided with a through cavity (11) which is vertically communicated, the lower part of the gas collection chamber (2) is inserted into the through cavity (11) to be fixed with the floating plate (1) in a sealing manner, when the floating plate (1) is placed on a water surface, the lower edge of the gas collection chamber (2) is completely immersed in water to enable the opening at the lower part of the gas collection chamber (2) to be closed by a water body, and a suction hole (21) and a gas pressure balance hole (22) are formed in the upper part of the gas collection chamber (2), and the use method is characterized in that: the utility model provides a pressure sensor, a pressure sensor and a pressure sensor, wherein the floating plate (1) is provided with a screw motor (12) and a screw (13), the screw motor (12) is connected with the screw (13) and can drive the screw (13) to rotate, the screw motor (12) is positioned in the floating plate (1), the screw (13) stretches out of the floating plate (1) and is immersed in water, the floating plate (1) is fixedly provided with a chain storage box (14), the chain storage box (14) is provided with a chain motor (15), the chain (16) is arranged in the chain storage box (14), one end of the chain (16) stretches out of the chain storage box (14) and is connected with an anchor (17), the chain motor (15) can drive the chain (16) to stretch out of the chain storage box (14) or be shifted into the chain storage box (14), the chain storage box (14) is fixedly provided with a pressure sensor (18), the chain storage box (16) and the pressure sensor (17) are fixedly connected with a pressure sensor (23) on the two sides of the chain storage box (14) and the pressure sensor (18) respectively, the pressure sensor is fixedly connected with the pressure sensor (18) and the pressure sensor is connected with the pressure sensor (18) through the pressure sensor (18), the upper end of the sliding door (23) is hinged with the upper end of the gas collection chamber (2), the lower end of the sliding door (23) is a movable end, a traction device (3) is arranged at the upper part of the gas collection chamber (2), the traction device (3) comprises a first gear (31) and a second gear (32) and a transmission belt (33), the transmission belt (33) is wound on the first gear (31) and the second gear (32) in an 8 shape, an electric cylinder (34) is connected to the transmission belt (33), the electric cylinder (34) comprises a cylinder seat (34 a) and an electric rod (34 b), the electric rod (34 b) penetrates through the cylinder seat (34 a), two ends of the electric rod (34 b) are connected to the transmission belt (33), the electric rod (34 b) can be pushed to move in the cylinder seat (34 a), the first gear (31), the second gear (32) and the cylinder seat (34 a) are respectively fixed on the first gear (31) and the second gear (35) respectively, and when the first traction door (23) and the second gear (35) are respectively fixed, the first traction door (23) and the second traction door (35) are respectively pulled, the sliding door (23) rotates relative to the gas collection chamber (2), so that the gas collection chamber (2) is transparent inside and outside, a power supply (4), a central control chip and a wireless receiver (5) are fixed on the floating plate (1) or the gas collection chamber (2), the central control chip is connected with the propeller motor (12), the anchor chain motor (15), the electric cylinder (34), the pressure sensor (18) and the wireless receiver (5) and controls the propeller motor (12), the anchor chain motor (15) and the electric cylinder (34) to operate, the power supply (4) is respectively connected with the propeller motor (12), the anchor chain motor (15), the electric cylinder (34), the pressure sensor (18), the central control chip and the wireless receiver (5) to supply power to the central control chip, and the wireless receiver (5) is used for receiving an upper instruction and transmitting the instruction to the central control chip; the pressure sensor (18) comprises a sensing plate (18 a), the anchor chain (16) passes through the sensing plate (18 a) and is in friction fit with the sensing plate (18 a), and the pressure sensor (18) can sense the friction force between the sensing plate (18 a) and the anchor chain (16); the upper part of the gas collection chamber (2) is fixedly provided with a gear seat (24), the first gear (31) and the second gear (32) are respectively fixed in the corresponding gear seat (24), and the first gear (31) and the second gear (32) can rotate in the gear seat (24); the air extraction hole (21) is used for connecting an air extraction pipe (62) of the gas component detector (61), and the air pressure balance hole (22) is used for communicating the gas collection chamber (2) with the outside air, so that the air pressure in the gas collection chamber (2) is balanced with the outside air pressure when the air extraction pipe (62) extracts air; the lower part of the gas collection chamber (2) is provided with a plurality of fixing plates (25), the lower part of the floating plate (1) is provided with a fixing groove matched with the fixing plates (25), and the lower end of the gas collection chamber (2) is inserted into the lower part of the through cavity (11) to fix the fixing plates (25) in the fixing groove; the specific application method of the mobile remote unattended liquid level volatile gas automatic detection device comprises the following steps of:
firstly, inserting a gas collection chamber (2) into a through cavity (11) of a floating plate (1), fixing a fixing plate (25) in a fixing groove, enabling the gas collection chamber (2) to be in sealing connection with the floating plate (1), inserting one end of an exhaust pipe (62) into an exhaust hole (21), and connecting the other end of the exhaust pipe (62) with a gas component detector (61);
step two, placing a movable remote unattended liquid level volatile gas automatic detection device into a detected water body to float, then using a wireless controller to send a command to a central control chip, driving a propeller motor (12) to rotate by the central control chip, opening the detection device to a lake center, and stopping the rotation of the propeller motor (12) by the central control chip after the detection device reaches a proper position;
step three, the central control chip controls the anchor chain motor (15) to rotate positively, the anchor chain (16) rotates out of the anchor chain storage box (14), the anchor (17) enters into water and continuously sinks, in the sinking process, the anchor chain (16) can generate constant sliding friction force on the induction plate (18 a), after the anchor (17) sinks, the anchor chain (16) loses tension, the anchor chain (16) cannot sense friction force through the induction plate (18 a), the pressure sensor (18) greatly reduces or disappears, signals are transmitted to the central control chip, and the central control chip stops the operation of the anchor chain motor (15);
step four, the central control chip controls the electric cylinder (34) to operate, the electric cylinder (34) drives the first gear (31) and the second gear (32) to rotate, the two sliding doors (23) are opened together, the gas collection chamber (2) is in a left-right transparent structure, gas in the gas collection chamber (2) and lake surface gas are fused into a whole, after a certain period of time, the central control chip controls the electric cylinder (34) to operate reversely, and the two sliding doors are closed;
step five, the gas component detector (61) extracts the gas in the gas collection chamber (2) to detect, and after the detection is completed, the gas component detector (61) stores data;
step six, repeating the step four and the step five for a plurality of times after the detection is completed, and obtaining array data;
and seventh, the control chip controls the anchor chain motor (15) to rotate reversely, the anchor (17) is recovered, then the propeller motor (12) is driven to operate, and the detection device is opened to the lake side for recovery.
2. The method for using the mobile remote unattended liquid level volatile gas automatic detection apparatus according to claim 1, wherein the method comprises the following steps: the anchor chain storage box (14) is internally provided with a box core column (14 a), an anchor chain (16) is wound on the box core column (14 a), the box core column (14 a) is fixedly connected with a rotating shaft of an anchor chain motor (15), and when the anchor chain motor (15) rotates, the box core column (14 a) is driven to rotate, and according to forward rotation or reverse rotation of the anchor chain motor (15), the anchor chain (16) is rotated out of or into the anchor chain storage box (14).
3. The method for using the mobile remote unattended liquid level volatile gas automatic detection apparatus according to claim 2, wherein the method comprises the following steps: the gas collection chamber (2) is made of transparent materials.
4. The method for using the mobile remote unattended liquid level volatile gas automatic detection apparatus according to claim 3, wherein the method comprises the following steps: the gas collection room (2) upper portion install support (6), gaseous composition detector (61) install on support (6), support (6) be provided with weather roof (63) above gaseous composition detector (61).
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