CN110530674B - Lake deep water quality monitoring sample extraction element - Google Patents
Lake deep water quality monitoring sample extraction element Download PDFInfo
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- CN110530674B CN110530674B CN201910867656.6A CN201910867656A CN110530674B CN 110530674 B CN110530674 B CN 110530674B CN 201910867656 A CN201910867656 A CN 201910867656A CN 110530674 B CN110530674 B CN 110530674B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/14—Control of attitude or depth
- B63G8/24—Automatic depth adjustment; Safety equipment for increasing buoyancy, e.g. detachable ballast, floating bodies
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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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
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Abstract
A sample extraction device for monitoring the quality of deep lake water comprises a frame body, a cavity is arranged in the frame body, a test tube component for containing deep water is connected in the inner wall of the lower side of the cavity, a connecting cavity is communicated in the inner wall of the upper side of the cavity, the right inner wall and the right inner wall of the connecting cavity are internally provided with trigger devices which can be used for triggering the device when the device is descended to a preset depth under water, the deep water outside enters the connecting cavity and the cavity by being triggered by the strong deep water pressure, the invention aims to design a device which can conveniently extract deep water samples of lakes, and can avoid the quality sample extraction element that the sample received the influence of shallow layer water as far as possible in the extraction process.
Description
Technical Field
The invention relates to the technical field of water quality sample extraction, in particular to a device for extracting a water quality monitoring sample of deep lake water.
Background
At present, lakes, rivers, seas and the like in China are polluted to different degrees, and in order to treat water quality, the conditions of all parameters in water need to be mastered. The reason is that if the water quality is well treated, the content of each parameter in the water needs to be detected firstly, and if a better effect is to be achieved, the online real-time detection is needed, so that the treated water quality can be guaranteed to reach the standard;
when a lake water quality detection sample is extracted, deeper water needs to be extracted for water quality detection, the traditional deep water quality sample is extracted directly through a bucket, but the deep water sample is easily influenced by shallow water in the ascending process of the bucket in the extraction mode, and finally the detection result is inaccurate.
Disclosure of Invention
In order to solve the problems, the embodiment designs a sample extraction device for monitoring the quality of deep water in a lake, which comprises a frame body, wherein a cavity is arranged in the frame body, a test tube assembly for containing deep water is connected in the inner wall of the lower side of the cavity, a connecting cavity is arranged in the inner wall of the upper side of the cavity in a communicated manner, trigger devices are arranged in the inner wall of the right side and the inner wall of the right side of the connecting cavity, the trigger devices can trigger through the strong pressure of the deep water and enable the external deep water to enter the connecting cavity and the cavity when the device is descended to a preset depth under water, a fixed block is fixedly arranged on the inner wall of the right side of the connecting cavity, a partition-floating assembly is arranged in the fixed block and the frame body, and the partition-floating assembly can trigger when the test tube assembly is filled with the deep water and the cavity and the connecting cavity are filled with the deep water, and then the trigger device is used for isolating the connecting cavity from the outside again, so that the device can be prevented from floating upwards automatically, shallow water enters the test tube assembly to pollute the collected deep water in the floating stage, and meanwhile, the buoyancy of the device can be increased in a mode of an air inflation bag, so that the device can float upwards automatically, when in use, a user only needs to put the device into a lake or sea, the device sinks in water under the action of gravity, when the pressure of the water around the device rises enough to trigger the trigger device, the trigger device is communicated with the outside and the connecting cavity, at the moment, the deep water enters the test tube assembly and fills the test tube assembly, the deep water can be automatically isolated from the cavity when the test tube assembly is filled with the water, and the cavity and the connecting cavity are filled with the deep water, the separation-floating assembly is triggered, so that the frame body is separated from the outside again through the trigger device, and the device is driven to float upwards in a mode of increasing the volume of the device.
Preferably, the test tube assembly comprises a test tube body sleeved in the lower side end face of the frame body, a test tube cavity with an upward opening and communicated with the cavity is arranged in the test tube body, a partition block is arranged in the test tube cavity in a vertically sliding manner, the density of the partition block is smaller than the buoyancy of fresh water so as to float on the water surface, a partition air cavity is arranged in the partition block, an annular air bag containing cavity with an outward opening is arranged in the circular inner wall of the partition air cavity, an annular partition air bag is arranged in the annular air bag containing cavity and communicated with the partition air cavity, an inflation valve is arranged in the lower side inner wall of the partition air cavity in a communicating manner, a first one-way valve is arranged in the inflation valve, a user can inflate the partition air cavity through the inflation valve, and when the partition block is positioned in the test tube cavity, the water can flow through the partition block from top to bottom, when the tube cavity of the test tube is filled with water, the partition block enters the cavity due to buoyancy, at the moment, the gas in the partition gas cavity enters the annular partition gas bag and inflates the annular partition gas bag, and at the moment, the annular partition gas bag is abutted to the inner wall of the cavity so as to partition the cavity on the upper side and the lower side of the partition block.
Preferably, the triggering device comprises an air pressure bin arranged on the right side of the connecting cavity and located in the frame body, a piston slider is slidably arranged in the air pressure bin, a spring is fixedly connected between the lower side end face of the piston slider and the lower side inner wall of the air pressure bin, a pressure testing air bag is arranged on the upper side end face of the frame body, a user can calculate the pressure of the depth of the water sample to be extracted and fill corresponding pressure gas into the pressure testing air bag, the pressure of the reduced depth extrudes the pressure testing air bag through the elastic force larger than the spring and enables the air in the pressure testing air bag to enter the air pressure bin on the upper side of the piston slider, the piston slider can be pushed to descend in the air pressure bin, a lifting chute with an upward opening is arranged in the inner wall on the left side of the air pressure bin, and a water inlet is arranged between the inner wall on the left side of the lifting chute and the inner wall on the right side of the connecting cavity The port, the slidable is provided with the lift slider in the lift spout, when the lift slider gliding to the upside terminal surface of lift slider is less than the water inlet, external water accessible the lift spout with the water inlet enters into connect the intracavity, be connected with between the right side inner wall of lift spout and the left side inner wall of atmospheric pressure storehouse and connect the spout, fixedly connected with can be in connect the spout in the connecting slide between the left side terminal surface of piston slider and the right side terminal surface of lift slider, when the piston slider receives the extrusion that comes from the air in the pressure test gasbag and descends in the atmospheric pressure storehouse, can drive the lift slider descends in the lift spout, can extract the water sample of this degree of depth this moment.
Preferably, the partition-floating assembly comprises a wedge sliding cavity arranged in the fixed block, a first wedge block is slidably arranged in the wedge sliding cavity, a traction wire is fixedly connected to the upper side end face of the first wedge block, the upper end of the traction wire extends out of the upper side end face of the fixed block and is fixedly connected to a foam floating block arranged in the connecting cavity, when the water level in the connecting cavity is higher than that of the foam floating block, the foam floating block can be driven to float upwards, a second wedge block is arranged on the right side of the first wedge block and is positioned in the wedge sliding cavity and can slide left and right, inclined planes which can be matched with each other are respectively arranged on the left side end face of the second wedge block and the right side end face of the first wedge block, when the first wedge block moves upwards, the second wedge block can be pushed to move towards the right side, and a jacking spring is fixedly arranged between the right side end face of the second wedge block and the right side inner wall of the wedge sliding cavity, the second voussoir internal fixation is provided with the gas pitcher, wherein, the right side inner wall internal fixation in voussoir sliding chamber is provided with the gas port, when the right-hand member butt of gas pitcher to the gas port and receive the pushing of power to the right, compressed gas in the gas pitcher can enter into in the gas port, the right side of gas port is linked together is provided with the breather pipe, wherein, the upper end of breather pipe communicate with the atmospheric pressure storehouse, and be located the atmospheric pressure storehouse with the junction of breather pipe is provided with the break off block, be provided with the outside buoyancy gasbag of opening and accomodate the chamber in the right side inner wall in voussoir sliding chamber, the buoyancy gasbag is accomodate the intracavity and is placed folding buoyancy gasbag, the left end of buoyancy gasbag with the lower extreme of breather pipe is linked together, gas accessible in the gas pitcher the breather pipe enters into in the atmospheric pressure storehouse and gaseous pressure is greater than can promote when the pressure of the interior gas of pressure test gasbag piston slider rises in the atmospheric pressure storehouse, and the lifting slide block is driven to rise, so that the water inlet is blocked again, meanwhile, the gas in the gas tank enters the buoyancy gas bag through the vent pipe so as to inflate the buoyancy gas bag to increase the buoyancy of the device, and the device is driven to float out of the water surface.
Preferably, an exhaust device is arranged in the right inner wall of the air pressure bin, the exhaust device comprises an exhaust block fixedly arranged on the right inner wall of the frame body, an exhaust chute communicated with the air pressure bin is arranged in the exhaust block in a left-right penetrating manner, an exhaust slider is slidably arranged in the exhaust chute, an exhaust pipeline is arranged in the exhaust slider, an exhaust port communicated with the exhaust pipeline is arranged in the upper inner wall of the exhaust chute, a return chute is arranged in the upper inner wall of the exhaust chute in a communicating manner, a return slider capable of sliding in the return chute is fixedly arranged on the upper end face of the exhaust slider, a return spring is fixedly connected between the left end face of the return slider and the left inner wall of the return chute, and when a user pushes the exhaust slider to the left side and enables the exhaust pipeline to be communicated with the exhaust port, the gas in the gas pressure cabin can be exhausted through the exhaust pipeline and the exhaust port.
Preferably, the test tube body is made of glass materials, so that the test tube body is more convenient for a user to observe deep water in the test tube body.
Preferably, the test tube body and the support body are connected through threaded connection.
Preferably, an annular balancing weight is fixedly arranged on the lower side end face of the rack body, the balancing weight can increase the gravity of the device, and the device can keep the test tube body in a vertical state with the rack body on the top at the sinking stage.
The invention has the beneficial effects that: the device has a simple structure, is convenient to operate, can be automatically extracted from a sample within a preset depth range when a user only puts the device into water when using the device, can automatically close the opening after the device is sunk into the preset depth range, further reduces the influence of shallow water on the sample, can automatically float upwards after the sample is extracted, is simple and effective, and is worthy of recommendation.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic view of the overall structure of a device for extracting samples for monitoring the water quality of deep water in lakes according to the present invention;
FIG. 2 is an enlarged schematic view of "A" in FIG. 1;
FIG. 3 is an enlarged schematic view of "B" in FIG. 2;
FIG. 4 is a top view of the "blocker block" of FIG. 1;
fig. 5 is a schematic structural view of the tube body in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a device for extracting a sample for monitoring the quality of deep lake water, which is mainly applied to the extraction process of deep lake water or ocean water samples, and the invention is further explained by combining the attached drawings of the invention:
the sample extraction device for monitoring the quality of deep lake water comprises a frame body 101, wherein a cavity 111 is arranged in the frame body 101, a test tube assembly for containing deep water is connected in the inner wall of the lower side of the cavity 111, a connecting cavity 102 is arranged in the inner wall of the upper side of the cavity 111 in a communicating manner, triggering devices are arranged in the inner wall of the right side of the connecting cavity 102 and the inner wall of the right side of the connecting cavity 102, the triggering devices can trigger through strong deep water pressure when the device is descended to a preset depth under water, so that external deep water enters the connecting cavity 102 and the cavity 111, a fixed block 109 is fixedly arranged on the inner wall of the right side of the connecting cavity 102, partition-floating assemblies are arranged in the fixed block 109 and the frame body 101, and can trigger when the test tube assembly is filled with deep water and the cavity 111 and the connecting cavity 102 are filled with deep water, and then the trigger device is used for isolating the connecting cavity 102 from the outside again, so as to prevent the device from floating upwards automatically, when in the floating stage, shallow water enters the test tube assembly to pollute the collected deep water, and simultaneously the buoyancy of the device can be increased by the mode of the air bag, when in use, a user only needs to put the device into a lake or sea, the device sinks in the water under the action of gravity, when the pressure of the water around the device is increased enough to trigger the trigger device, the trigger device is communicated with the outside and the connecting cavity 102, at the moment, the deep water enters the test tube assembly and fills the test tube assembly, and can be automatically isolated from the cavity 111 when the water in the test tube assembly is filled, and when the cavity 111 and the connecting cavity 102 are filled with deep water, the separation-floating assembly is triggered, so that the frame body 101 is separated from the outside again through the trigger device, and the device is driven to float upwards in a mode of increasing the volume of the device.
Beneficially, the test tube assembly includes a test tube body 135 sleeved in the lower side end face of the frame body 101, a test tube lumen 136 having an upward opening and communicating with the cavity 111 is provided in the test tube body 135, a partition block 137 is provided in the test tube lumen 136 in a vertically slidable manner, wherein the density of the partition block 137 is smaller than the buoyancy of fresh water, so as to float on the water surface, a partition air cavity 134 is provided in the partition block 137, an annular air bag receiving cavity 131 having an outward opening is provided in the circular inner wall of the partition air cavity 134, an annular partition air bag 129 is provided in the annular air bag receiving cavity 131, the annular partition air bag 129 is communicated with the partition air cavity 134, an inflation valve 133 is provided in the inner wall of the lower side of the partition air cavity 134 in a communicating manner, a first one-way valve 132 is provided in the inflation valve 133, and a user can inflate the partition air cavity 134 through the inflation valve 133, when the partition block 137 is located in the test tube cavity 136, moisture can flow through the partition block 137 from top to bottom, when the test tube cavity 136 is filled with moisture, the partition block 137 enters the cavity 111 due to buoyancy, at this time, gas in the partition air cavity 134 enters the annular partition air bag 129 and inflates the annular partition air bag 129, at this time, the annular partition air bag 129 abuts against the inner wall of the cavity 111, and the cavity 111 on the upper side and the lower side of the partition block 137 is further partitioned.
Advantageously, the triggering device includes an air pressure chamber 118 disposed at the right side of the connection cavity 102 and located in the frame body 101, a piston slider 123 is slidably disposed in the air pressure chamber 118, a spring is fixedly connected between a lower end surface of the piston slider 123 and a lower inner wall of the air pressure chamber 118, a pressure testing air bag 127 is disposed on an upper end surface of the frame body 101, a user can calculate the pressure of the depth of the water sample to be extracted and fill the pressure testing air bag 127 with gas of corresponding pressure, when the pressure at the reduced depth is greater than the elastic force of the spring to press the pressure testing air bag 127 and make the gas in the pressure testing air bag 127 enter the air pressure chamber 118 at the upper side of the piston slider 123, the piston slider 123 is pushed to descend in the air pressure chamber 118, and a lifting chute 121 with an upward opening is disposed in a left inner wall of the air pressure chamber 118, wherein, a water inlet 126 is arranged between the left inner wall of the lifting chute 121 and the right inner wall of the connecting cavity 102, a lifting slider 125 is slidably arranged in the lifting chute 121, when the lifting slider 125 slides to the position where the upper end surface of the lifting slider 125 is lower than the water inlet 126, external water can enter the connecting cavity 102 through the lifting chute 121 and the water inlet 126, a connecting chute 119 is arranged between the right inner wall of the lifting chute 121 and the left inner wall of the pneumatic chamber 118, a connecting slider 124 capable of sliding up and down in the connecting chute 119 is fixedly connected between the left end surface of the piston slider 123 and the right end surface of the lifting slider 125, when the piston slider 123 is squeezed by air from the pressure testing air bag 127 and descends in the pneumatic chamber 118, the lifting slide 125 can be driven to descend in the lifting chute 121, and at the moment, the water sample at the depth can be extracted.
Advantageously, the partition-floating assembly includes a wedge sliding cavity 105 disposed in the fixed block 109, a first wedge 108 is slidably disposed in the wedge sliding cavity 105, a pull wire 104 is fixedly connected to an upper side end surface of the first wedge 108, an upper end of the pull wire 104 extends out of an upper side end surface of the fixed block 109 and is fixedly connected to a foam floating block 103 disposed in the connection cavity 102, when a water level in the connection cavity 102 is higher than the foam floating block 103, the foam floating block 103 is driven to float, a second wedge 106 is disposed on a right side of the first wedge 108 and located in the wedge sliding cavity 105 and capable of sliding left and right, wherein a left side end surface of the second wedge 106 and a right side end surface of the first wedge 108 are respectively provided with mutually-fitted inclined surfaces, and when the first wedge 108 moves up, the second wedge 106 is pushed to move right, a jacking spring 112 is fixedly arranged between the right side end face of the second wedge block 106 and the right side inner wall of the wedge block sliding cavity 105, a gas tank 107 is fixedly arranged in the second wedge block 106, wherein a gas port 113 is fixedly arranged in the right side inner wall of the wedge block sliding cavity 105, when the right end of the gas tank 107 is abutted to the gas port 113 and pushed by a rightward force, compressed gas in the gas tank 107 can enter the gas port 113, a vent pipe 138 is arranged on the right side of the gas port 113 in a communicated manner, wherein the upper end of the vent pipe 138 is communicated with the gas pressure cabin 118, a partition block 137 is arranged at the joint of the gas pressure cabin 118 and the vent pipe 138, a buoyancy gas bag accommodating cavity 117 with an outward opening is arranged in the right side inner wall of the wedge block sliding cavity 105, a folded buoyancy gas bag 116 is arranged in the buoyancy gas bag accommodating cavity 117, and the left end of the buoyancy gas bag 116 is communicated with the lower end of the vent pipe 138, when the gas in the gas tank 107 enters the gas pressure cabin 118 through the vent pipe 138 and the gas pressure is higher than the pressure of the gas in the pressure test air bag 127, the piston slide block 123 can be pushed to ascend in the gas pressure cabin 118 and drive the lifting slide block 125 to ascend, so that the water inlet 126 is blocked again, and meanwhile, the gas in the gas tank 107 enters the buoyancy air bag 116 through the vent pipe 138 and further inflates the buoyancy air bag 116 to increase the buoyancy of the device, so that the device is driven to float out of the water surface.
Beneficially, an exhaust device is arranged in the right inner wall of the air pressure bin 118, the exhaust device includes an exhaust block 141 fixedly arranged on the right inner wall of the frame body 101, an exhaust chute 144 communicated with the air pressure bin 118 is arranged in the exhaust block 141 in a left-right penetrating manner, an exhaust slider 142 is slidably arranged in the exhaust chute 144, an exhaust pipe 143 is arranged in the exhaust slider 142, an exhaust port 145 communicated with the exhaust pipe 143 is arranged in the upper inner wall of the exhaust chute 144, a return chute 147 is arranged in the upper inner wall of the exhaust chute 144 in a communicating manner, a return slider 146 slidable in the return chute 147 is fixedly arranged on the upper end surface of the exhaust slider 142, and a return spring 148 is fixedly connected between the left end surface of the return slider 146 and the left inner wall of the return chute 147, when the user pushes the exhaust slider 142 to the left side and the exhaust duct 143 is communicated with the exhaust port 145, the gas in the pneumatic chamber 118 can be exhausted through the exhaust duct 143 and the exhaust port 145.
Beneficially, the test tube body 135 is made of glass material, and thus it is more convenient for a user to observe deep water in the test tube body 135.
Advantageously, the test tube body 135 is connected to the frame body 101 by means of a screw connection.
Advantageously, an annular balancing weight 115 is fixedly arranged on the lower end face of the frame body 101, the balancing weight 115 can increase the gravity of the device, and the device can keep the test tube body 135 at the lower position and the frame body 101 at the upper vertical position in the sinking stage.
In an initial state, the piston slider 123 is maximally lifted in the air pressure chamber 118, the upper end surface of the lifting slider 125 is flush with the upper end surface of the frame body 101, the lower end surface of the first wedge 108 is abutted to the lower inner wall of the wedge sliding cavity 105, the air outlet 145 is staggered with the air outlet pipe 143 from left to right, the buoyancy air bag 116 is accommodated in the buoyancy air bag accommodating cavity 117, the partition block 137 is located in the test tube cavity 136, and the annular partition air bag 129 is accommodated in the annular air bag accommodating cavity 131.
When the device is used for extracting deep water samples in lakes or oceans, a user injects gas adaptive to the required sample depth pressure into the pressure test air bag 127 and puts the device into water, in the process of sinking the device, the pressure test air bag 127 is continuously extruded by the external water pressure, when the gas pressure in the pressure test air bag 127 is lower than the pressure of the external water and is extruded by the external water to overcome the spring force and enable the piston slide block 123 to descend in the air pressure bin 118, the piston slide block 123 drives the lifting slide block 125 to descend, when the lifting slide block 125 descends to the lower side of the water inlet 126, the external water enters the frame body 101 through the lifting chute 121 and the water inlet 126 and flows into the test tube cavity 136 through the cavity 111, along with the continuous rising of the liquid level of the water in the test tube cavity 136, the partition block 137 gradually rises, when the partition block 137 rises into the cavity 111, the gas in the partition gas chamber 134 inflates the annular partition gas bag 129 and abuts against the annular inner wall of the cavity 111, so that the cavity 111 on the upper side and the lower side of the partition block 137 is partitioned, at this time, moisture continues to enter the frame body 101, as the liquid level in the frame body 101 continuously rises, the foam floating block 103 rises due to buoyancy of the moisture, and further pulls the first wedge block 108 to rise in the wedge sliding chamber 105, so that the second wedge block 106 is pushed to move to the right side in the wedge sliding chamber 105, and the right end of the gas tank 107 abuts against the gas port 113 and outputs the compressed gas in the gas tank 107 into the vent pipe 138, at this time, the piston slider 123 gradually overcomes the gas pressure from the pressure test gas bag 127 and gradually rises due to the thrust of the compressed gas and the elasticity of the spring, the water inlet 126 is cut off again through the lifting slide block 125, and the buoyancy air bag 116 expands rapidly after being inflated to increase the volume and increase the buoyancy of the device, so that the device is driven to float upwards in water and finally float to the water surface;
when the pneumatic device is used next time, the user only needs to push the exhaust chute 144 to exhaust the gas in the pneumatic bin 118 and replace the spring, so that the pneumatic device can be put into use next time.
The invention has the beneficial effects that: the device has a simple structure, is convenient to operate, can be automatically extracted from a sample within a preset depth range when a user only puts the device into water when using the device, can automatically close the opening after the device is sunk into the preset depth range, further reduces the influence of shallow water on the sample, can automatically float upwards after the sample is extracted, is simple and effective, and is worthy of recommendation.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (5)
1. The utility model provides a deep water quality monitoring sample extraction element in lake which characterized in that: the device comprises a frame body (101), a cavity (111) is arranged in the frame body (101), a test tube assembly used for containing deep water is connected in the inner wall of the lower side of the cavity (111), a connecting cavity (102) is arranged in the inner wall of the upper side of the cavity (111) in a communicated manner, triggering devices are arranged in the inner wall of the right side and the inner wall of the right side of the connecting cavity (102), the triggering devices can trigger through the deep water pressure when the device is lowered to a preset depth under water, so that external deep water enters the connecting cavity (102) and the cavity (111), a fixed block (109) is fixedly arranged on the inner wall of the right side of the connecting cavity (102), a separation-floating assembly is arranged in the fixed block (109) and the frame body (101), and the separation-floating assembly can trigger when the test tube assembly is filled with water and the cavity (111) and the connecting cavity (102) are filled with water, the connection cavity (102) is isolated from the outside again through the trigger device, so that the device can be prevented from floating upwards automatically by preventing shallow water from entering the test tube assembly to pollute the collected deep water in the floating stage and increasing the buoyancy of the device in a mode of an inflatable bag, when the device is used, a user only needs to put the device into a lake or sea, the device sinks in the water under the action of gravity, when the pressure of the water around the device is increased enough to trigger the trigger device, the trigger device is communicated with the outside and the connection cavity (102), at the moment, the deep water enters the test tube assembly and fills the test tube assembly, and the deep water can be isolated from the cavity (111) automatically when the water in the test tube assembly is filled, when the cavity (111) and the connecting cavity (102) are filled with deep water, the separation-floating assembly is triggered, the frame body (101) is separated from the outside again through the trigger device, and the device is driven to float upwards in a mode of increasing the volume of the device; the test tube assembly comprises a test tube body (135) sleeved in the lower side end face of the frame body (101), a test tube cavity (136) with an upward opening and communicated with the cavity (111) is arranged in the test tube body (135), a partition block (137) is arranged in the test tube cavity (136) in a vertically sliding manner, a partition air cavity (134) is arranged in the partition block (137), an annular air bag containing cavity (131) with an outward opening is arranged in the circular inner wall of the partition air cavity (134), an annular partition air bag (129) is arranged in the annular air bag containing cavity (131), the annular partition air bag (129) is communicated with the partition air cavity (134), and an inflation valve (133) is communicated in the inner wall of the lower side of the partition air cavity (134); the triggering device comprises an air pressure bin (118) which is arranged at the right side of the connecting cavity (102) and is positioned in the frame body (101), a piston slider (123) is arranged in the air pressure bin (118) in a sliding manner, a spring is fixedly connected between the lower side end surface of the piston slider (123) and the lower side inner wall of the air pressure bin (118), a pressure testing air bag (127) is arranged on the upper side end surface of the frame body (101), a lifting chute (121) with an upward opening is arranged in the left side inner wall of the air pressure bin (118), a water inlet (126) is communicated between the left side inner wall of the lifting chute (121) and the right side inner wall of the connecting cavity (102), a lifting slider (125) is arranged in the lifting chute (121) in a sliding manner, and when the lifting slider (125) slides to the upper side end surface of the lifting slider (125) and is lower than the water inlet (126), external water can enter the connecting cavity (102) through the lifting chute (121) and the water inlet (126), a connecting chute (119) is communicated between the inner wall of the right side of the lifting chute (121) and the inner wall of the left side of the air pressure bin (118), and a connecting slide block (124) capable of sliding up and down in the connecting chute (119) is fixedly connected between the end surface of the left side of the piston slide block (123) and the end surface of the right side of the lifting slide block (125); the partition-floating assembly comprises a wedge sliding cavity (105) arranged in the fixed block (109), a first wedge (108) is arranged in the wedge sliding cavity (105) in a sliding manner, a traction line (104) is fixedly connected to the upper side end face of the first wedge (108), the upper end of the traction line (104) extends out of the upper side end face of the fixed block (109) and is fixedly connected to a foam floating block (103) arranged in the connecting cavity (102), when the water surface in the connecting cavity (102) is higher than the foam floating block (103), the foam floating block (103) can be driven to float upwards, a second wedge (106) is arranged on the right side of the first wedge (108) and is positioned in the wedge sliding cavity (105) and can slide left and right, wherein inclined planes which can be matched with each other are respectively arranged on the left side end face of the second wedge (106) and the right side end face of the first wedge (108), when the first wedge block (108) moves upwards, the second wedge block (106) can be pushed to move towards the right side, a jacking spring (112) is fixedly arranged between the right side end face of the second wedge block (106) and the right side inner wall of the wedge block sliding cavity (105), a gas tank (107) is fixedly arranged in the second wedge block (106), a gas port (113) is fixedly arranged in the right side inner wall of the wedge block sliding cavity (105), when the right end of the gas tank (107) is abutted to the gas port (113) and pushed by a rightward force, compressed gas in the gas tank (107) can enter the gas port (113), a vent pipe (138) is communicated with the right side of the gas port (113), the upper end of the vent pipe (138) is communicated with the gas pressure bin (118), and a partition block (137) is arranged at the joint of the gas pressure bin (118) and the vent pipe (138), a buoyancy air bag containing cavity (117) with an outward opening is formed in the inner wall of the right side of the wedge block sliding cavity (105), a folded buoyancy air bag (116) is placed in the buoyancy air bag containing cavity (117), and the left end of the buoyancy air bag (116) is communicated with the lower end of the vent pipe (138).
2. The device for sampling and extracting the water quality monitoring sample of the deep water in the lake as claimed in claim 1, wherein: be provided with exhaust apparatus in the right side inner wall of atmospheric pressure storehouse (118), exhaust apparatus is including fixed setting up exhaust piece (141) on support body (101) right side inner wall, what run through about in exhaust piece (141) be provided with exhaust spout (144) that atmospheric pressure storehouse (118) are linked together, slidable is provided with exhaust slider (142) in exhaust spout (144), be provided with exhaust duct (143) in exhaust slider (142), be provided with in the upside inner wall of exhaust spout (144) can with exhaust port (145) that exhaust duct (143) are linked together, the upside inner wall of exhaust spout (144) is intercommunicated in being provided with return spout (147), fixed being provided with on the upside terminal surface of exhaust slider (142) can return slider (146) gliding in return spout (147), the left side terminal surface of return slider (146) with fixedly connected with return between the left side inner wall of return spout (147) A bit spring (148).
3. The device for sampling and extracting the water quality monitoring sample of the deep water in the lake of claim 2, which is characterized in that: the test tube body (135) is made of glass materials, so that a user can observe deep water in the test tube body (135) more conveniently.
4. The device for sampling and extracting the water quality monitoring sample of the deep water in the lake of claim 3, which is characterized in that: the test tube body (135) with connect through threaded connection's mode between the support body (101).
5. The device for sampling and extracting the water quality monitoring sample of the deep water in the lake of claim 4, which is characterized in that: and an annular balancing weight (115) is fixedly arranged on the lower side end face of the frame body (101).
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| CN201910867656.6A CN110530674B (en) | 2019-09-13 | 2019-09-13 | Lake deep water quality monitoring sample extraction element |
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