CN219675571U - Split type deep sampling device - Google Patents

Abstract

The utility model discloses a split type deep sampling device which is used for sampling liquid deep layer with fixed point and fixed depth and comprises a sampling mechanism used for penetrating into a preset liquid depth position to sample and returning to the liquid level after sampling is finished, and a navigation mechanism used for carrying the sampling mechanism to run to a preset position on the liquid level and releasing the sampling mechanism, wherein the sampling mechanism is provided with a first control device used for controlling the sampling mechanism separated from the navigation mechanism to sink to the preset depth to sample and return to the liquid level after sampling is finished and a signal transmitting device used for transmitting positioning signals to the periphery after the sampling is finished and returning to the liquid level, and the navigation mechanism is provided with a second control device used for receiving signals sent by the signal transmitting device and approaching to the signals and a connecting mechanism used for enabling the sampling mechanism to be connected to the navigation mechanism and run on the liquid level along with the navigation mechanism. The device is suitable for fixed-point fixed-depth deep sampling of various environments and various liquids.

Description

Split type deep sampling device

Technical Field

The utility model relates to the technical field of liquid sampling detection, in particular to a split type deep sampling device.

Background

Liquid sampling is generally carried out by adopting special equipment, and the sampling objects are generally lakes, rivers, oceans, treatment ponds, sewage disposal ponds and the like.

Currently, when liquid sampling is performed, a special container is often required to be manually held to reach a specified place for sampling. However, this approach is subject to environmental constraints, such as wide lakes, rivers, oceans, etc., requiring the arrival of specific vehicles at a given location; and special environments such as a sewage treatment tank, a liquid storage tank, a sewage disposal tank and the like are also easily affected by volatilized gas, so that the physical health of a sampler is affected.

When deep sampling is performed in a specific place, synchronous sampling depth measurement is required to be performed on the site manually while a sampling container is placed manually, so that great potential safety hazard is brought; and when depth is synchronously measured, sampling errors are large due to environmental factors such as liquid flow, visualization, buoyancy, solid matter content, viscosity and the like.

At present, some semi-automatic sewage deep sampling devices exist, but manual field operation is still needed, a certain risk exists, and the operation is not convenient; errors due to manual operation still exist.

Disclosure of Invention

The utility model provides a split type deep sampling device, which aims to solve the technical problems that the existing fixed-point and fixed-depth liquid sampling mode needs manual participation in sampling, the sampling difficulty is high, the error is high and potential safety hazards are easy to generate.

According to one aspect of the utility model, a split type deep sampling device is provided, which is used for liquid deep sampling with fixed point and fixed depth, and comprises a sampling mechanism for going deep to a preset liquid depth position to sample and returning to the liquid level after sampling is finished, and a navigation mechanism for carrying the sampling mechanism to run to a preset position on the liquid level and releasing the sampling mechanism, wherein the sampling mechanism is provided with a first control device for controlling the sampling mechanism separated from the navigation mechanism to sink to the preset depth to sample and return to the liquid level after sampling is finished, and a signal transmitting device for transmitting a positioning signal to the periphery after the sampling is finished and returning to the liquid level, and the navigation mechanism is provided with a second control device for receiving the signal sent by the signal transmitting device and approaching the signal and a connecting mechanism for connecting the sampling mechanism to the navigation mechanism and running on the liquid level along with the navigation mechanism.

Further, the sampling mechanism comprises a shell, and a sampling part for controlling sampling and a sinking and floating part for controlling sinking and floating are arranged in the shell.

Further, the sampling part comprises a sampling channel arranged on the shell and a sampling cavity arranged in the inner cavity of the shell, the sampling cavity is communicated with a liquid sample outside the shell through the sampling channel, and a sampling valve for controlling the liquid sample to enter and exit is arranged on the sampling channel; the sinking and floating part comprises a liquid inlet and outlet channel arranged on the shell, a sinking and floating cavity arranged in the shell, and a liquid inlet and outlet mechanism for controlling liquid inlet or liquid outlet to control the sampling mechanism to sink and float, wherein the liquid inlet and outlet channel is provided with a sinking and floating control valve; the first control device is respectively connected with the sampling valve, the liquid inlet and outlet mechanism and the sinking and floating control valve.

Further, the liquid inlet and outlet mechanism adopts a piston mechanism, the liquid in the sinking and floating cavity is discharged outwards through the piston mechanism to realize the floating of the sampling mechanism, the piston mechanism is pulled inwards to suck external liquid into the sinking and floating cavity to realize the sinking of the sampling mechanism, and the piston mechanism is used for controlling the liquid-gas ratio in the sinking and floating cavity to realize the hovering of the sampling mechanism at a preset depth.

Further, the liquid inlet and outlet mechanism adopts a gas generator which is arranged in the sinking and floating cavity and is filled with compressed gas, the sampling mechanism is enabled to sink by filling a preset amount of liquid in the sinking and floating cavity, the liquid-gas ratio in the sinking and floating cavity is regulated by the gas generator, the sampling mechanism is enabled to hover at a preset depth and sample, the gas is filled into the sinking and floating cavity by the gas generator, so that the liquid in the sinking and floating cavity is discharged, and the floating of the sampling mechanism is further realized.

Further, the sampling mechanism is provided with at least one of a pressure sensor, a positioning module, a temperature sensor, a flow sensor, a conductivity sensor, a gyroscope sensor, a PH sensor, a turbidity sensor, a pickup, a video acquisition device, a timer, an information storage and a wireless signal transceiver.

Further, the signal transmitting device comprises an optical signal transmitting device or a communication signal transmitting device, the signal transmitting device is connected with the first control device, and the first control device is used for controlling the signal transmitting device to transmit signals to the periphery after the sampling mechanism returns to the liquid level after the sampling is finished; the navigation mechanism is provided with an omnidirectional receiver and a directional receiver which are respectively connected with the second control device; the navigation mechanism senses the signal emitted by the sampling mechanism through the omnidirectional receiver, moves towards the direction of the sampling mechanism according to the direction of the signal, enables the sampling mechanism to enter a signal receiving area of the directional receiver, switches the signal receiving of the omnidirectional receiver to the signal receiving of the directional receiver, moves towards the sampling mechanism according to the direction of the directional receiver, and the second control device continuously adjusts the running speed, the position and the direction of the navigation mechanism according to the signal received by the directional receiver, so that the navigation mechanism is in butt joint with the sampling mechanism, and is connected with the sampling mechanism into a whole through the connecting mechanism.

Further, the connecting mechanism adopts a hook lock structure or a magnetic attraction structure; or the connecting mechanism can adopt a carrying platform, and the carrying platform is lifted after moving to the bottom of the sampling mechanism through the navigation mechanism, so that the carrying platform carries the sampling mechanism to operate on the liquid surface.

Further, the navigation mechanism is provided with a driving mechanism for driving the navigation mechanism to directionally operate on the liquid level and a power module for supplying power to the navigation mechanism, the driving mechanism adopts at least one of a power propeller, a steering engine, an air spraying device and a liquid spraying device, and the power module adopts a lithium battery, a solar battery pack or a storage battery.

The utility model has the following beneficial effects:

the split type deep sampling device adopts a combined structure formed by combining a split type sampling mechanism and a navigation mechanism, wherein the navigation mechanism is mainly responsible for liquid level positioning navigation and liquid level navigation, and the sampling mechanism is mainly responsible for deep sampling at a preset depth so as to realize automatic fixed-point and fixed-depth deep sampling. The liquid collecting process comprises the following steps: the method comprises the steps of presetting the sampling depth of a sampling mechanism and a navigation target of the navigation mechanism, connecting the sampling mechanism with the navigation mechanism and putting the sampling mechanism on a liquid surface of a region to be sampled, carrying the sampling mechanism on the liquid surface through the navigation mechanism to navigate on the liquid surface and reach a preset target place, then releasing the sampling mechanism, sinking the sampling mechanism according to the preset sampling depth and sampling the sampling position when the sampling mechanism reaches the preset depth position, returning the sampling mechanism to the liquid surface position and transmitting signals to the periphery through a signal transmitting device, leading the navigation mechanism to be close to the sampling mechanism according to the guidance of the signals transmitted by the sampling mechanism, connecting the sampling mechanism through a connecting mechanism, and then carrying the sampling mechanism back to be recovered through the navigation mechanism so as to finish the liquid sampling work of the fixed-point fixed-depth. The whole sampling process is realized by automation without personnel following, and the method can be suitable for fixed-point and depth-fixed deep sampling of various environments and various liquids. The device is suitable for the fixed-point and fixed-depth deep sampling of various liquid environments such as sewage sampling, industrial wastewater sampling, oil sampling, mixed liquid sampling and the like.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic structural view of a split deep sampling device according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic diagram of the structure of a sampling mechanism according to a preferred embodiment of the present utility model;

fig. 3 is a schematic structural view of a navigation mechanism according to a preferred embodiment of the present utility model.

Legend description:

1. a sampling mechanism; 101. a housing; 102. a sampling unit; 1021. a sampling channel; 1022. a sampling cavity; 1023. a sampling valve; 103. a sinking and floating part; 1031. a liquid inlet and outlet channel; 1032. a sinking and floating cavity; 1033. a liquid inlet and outlet mechanism; 1034. a sinking and floating control valve; 2. a navigation mechanism; 201. a driving mechanism; 202. a power module; 203. an omni-directional receiver; 204. a directional receiver; 3. a first control device; 4. a signal transmitting device; 5. a second control device; 6. and a connecting mechanism.

Detailed Description

Embodiments of the utility model are described in detail below with reference to the attached drawing figures, but the utility model can be practiced in a number of different ways, as defined and covered below.

FIG. 1 is a schematic structural view of a split deep sampling device according to a preferred embodiment of the present utility model; FIG. 2 is a schematic diagram of the structure of a sampling mechanism according to a preferred embodiment of the present utility model; fig. 3 is a schematic structural view of a navigation mechanism according to a preferred embodiment of the present utility model.

As shown in fig. 1 and 2, the split type deep sampling device of the present embodiment is used for deep sampling of liquid at a fixed point and a fixed depth, and comprises a sampling mechanism 1 for going deep to a predetermined liquid depth position for sampling and returning to the liquid surface after sampling is completed, and a navigation mechanism 2 for carrying the sampling mechanism 1 to run to a specified position on the liquid surface and releasing the sampling mechanism 1, wherein the sampling mechanism 1 is provided with a first control device 3 for controlling the sampling mechanism 1 separated from the navigation mechanism 2 to sink to the predetermined depth for sampling and returning to the liquid surface after sampling is completed, and a signal transmitting device 4 for transmitting a positioning signal to the periphery after sampling is completed, and the navigation mechanism 2 is provided with a second control device 5 for receiving the signal sent by the signal transmitting device 4 and approaching the signal, and a connecting mechanism 6 for connecting the sampling mechanism 1 to the navigation mechanism 2 and following the navigation mechanism 2 to run on the liquid surface. The split type deep sampling device adopts a combined structure formed by combining a split type sampling mechanism 1 and a navigation mechanism 2, wherein the navigation mechanism 2 is mainly responsible for liquid level positioning navigation and liquid level navigation, and the sampling mechanism 1 is mainly responsible for deep sampling at a preset depth so as to realize automatic fixed-point and fixed-depth deep sampling. The sampling process specifically comprises the following steps: the sampling depth of the sampling mechanism 1 and the navigation target of the navigation mechanism 2 are preset, the sampling mechanism 1 is connected with the navigation mechanism 2 and placed on the liquid level of the area to be sampled, the navigation mechanism 2 carries the sampling mechanism 1 to navigate on the liquid level and reach a preset target place, then the sampling mechanism 1 is released, the sampling mechanism 1 sinks according to the preset sampling depth and samples at the position reaching the preset depth, then the sampling mechanism returns to the liquid level position and transmits signals to the periphery through the signal transmitting device 4, the navigation mechanism 2 approaches the sampling mechanism 1 according to the guidance of the signals transmitted by the sampling mechanism 1, the sampling mechanism 1 is connected through the connecting mechanism 6, and then the sampling mechanism 1 is brought back to be recovered through the navigation mechanism 2, so that the liquid sampling work with the fixed point and the fixed depth is completed. The whole automatic sampling process is realized without personnel following, and the automatic sampling device is suitable for fixed-point and depth deep sampling of various environments and various types of liquids. The device is suitable for fixed-point depth deep sampling of various liquid environments such as sewage sampling, industrial wastewater sampling, oil sampling, mixed liquid sampling and the like. Alternatively, the movement path and the operating procedure can be preset in the first control device 3: sinking to a preset depth for sampling, returning to a preset control instruction of the liquid level after the liquid sample is sampled, and completing deep sampling and returning operation by means of environment sensing data of each electronic component arranged on the sampling mechanism 1; or the sampling mechanism 1 is provided with a wireless signal receiving and transmitting device, and the wireless signal receiving and transmitting device is kept above the liquid level or around the liquid level before entering the liquid so as to ensure that signals can be normally transmitted and received, and the wireless signal receiving and transmitting device sends instructions of a preset movement route and an operation process to the first control device 3. Alternatively, the route and the operating procedure can be preset in the second control device 5: the navigation mechanism 2 carries the sampling mechanism 1 to navigate to a designated place along the liquid level, releases the sampling mechanism 1, searches the sampling mechanism 1 after the sampling mechanism 1 samples and returns the liquid level, approaches the sampling mechanism 1 and carries the sampling mechanism 1 for returning. Optionally, the navigation mechanism 2 is provided with a wireless signal transceiver, and the wireless signal transceiver is kept above or around the liquid level to ensure that signals can be transmitted and received in real time; through the interaction of the remote control and the wireless signal transceiver, the remote control of the navigation mechanism 2 is further realized.

As shown in fig. 2, the sampling mechanism 1 includes a housing 101, and a sampling portion 102 for controlling sampling and a sink-float portion 103 for controlling sink-float are provided in the housing 101. The sinking and floating part 103 performs sinking and floating depth control, and the sampling part 102 performs sampling operation of a predetermined depth. The sinking and floating part 103 may be as follows: filling liquid, balancing weight, sucking liquid to be extracted and the like; the manner in which the corresponding submerged and floating portion 103 floats up may be: the method is realized by the modes of inflating and draining, releasing the counterweight, draining the sucked liquid to be sampled and the like. The sinking and floating control mode of the sinking and floating part 103 can be adopted and referred to the prior art, such as the sinking and floating technology of the existing submarine, the sinking and floating technology of the existing diving suit, and the like.

As shown in fig. 2, the sampling portion 102 includes a sampling channel 1021 provided on the housing 101 and a sampling chamber 1022 provided in an inner cavity of the housing 101, the sampling chamber 1022 is communicated with a liquid sample outside the housing 101 through the sampling channel 1021, and a sampling valve 1023 for controlling the inlet and outlet of the liquid sample is provided on the sampling channel 1021. The sinking and floating part 103 comprises a liquid inlet and outlet channel 1031 arranged on the shell 101, a sinking and floating cavity 1032 arranged in the shell 101, a liquid inlet and outlet mechanism 1033 for controlling liquid inlet or liquid outlet to control sinking and floating of the sampling mechanism 1, and a sinking and floating control valve 1034 arranged on the liquid inlet and outlet channel 1031. The first control device 3 is respectively connected with the sampling valve 1023, the liquid feeding and discharging mechanism 1033 and the floating control valve 1034, and the sampling valve 1023, the liquid feeding and discharging mechanism 1033 and the floating control valve 1034 are respectively controlled to respectively open or close at different time by respectively controlling the sampling valve 1023, the liquid feeding and discharging mechanism 1033 and the floating control valve 1034, so that the sinking, the sampling and the floating are realized by cooperation. Optionally, after the sailing mechanism 2 releases the sampling mechanism 1, the sampling mechanism 1 is controlled to increase weight (or the preset weight of the sampling mechanism 1 is larger than buoyancy force by the liquid inlet and outlet mechanism 1033 and the floating control valve 1034, the sampling mechanism 1 is not required to increase weight by the liquid inlet and outlet mechanism 1033 and the floating control valve 1034), the sampling mechanism 1 is submerged, when the sampling mechanism 1 approaches to the preset depth, the liquid inlet and outlet mechanism 1033 and the floating control valve 1034 control the sampling mechanism 1 to reduce weight until reaching the preset depth, the sampling valve 1023 is opened to control quantitative sampling, the sampling valve 1023 is closed after the sampling is finished, and the liquid inlet and outlet mechanism 1033 and the floating control valve 1034 control the sampling mechanism 1 to reduce weight and float up until the liquid level is floated. Weight increasing process of sampling mechanism 1: opening a sinking and floating control valve 1034, and pumping external liquid into a sinking and floating cavity 1032 through a liquid inlet and outlet mechanism 1033 to realize weight gain of the sampling mechanism 1, so as to realize sinking of the sampling mechanism 1, wherein the sinking speed is realized by controlling liquid inlet or outlet through the liquid inlet and outlet mechanism 1033; weight reduction process of sampling mechanism 1: the liquid in the sinking and floating cavity 1032 is discharged outwards through the liquid inlet and outlet mechanism 1033 so as to realize weight reduction of the sampling mechanism 1, and further realize floating of the sampling mechanism 1. Alternatively, the liquid inlet and outlet mechanism 1033 may mechanically control liquid inlet and outlet, may use compressed gas to realize liquid inlet and outlet, and may use power to realize liquid inlet and outlet (e.g., liquid pump). In addition, when the sampling cavity 1022 is in communication with the liquid sample outside the housing 101 through the sampling channel 1021 for sampling, the weight of the sampling mechanism 1 will be increased, and at this time, the liquid feeding and discharging mechanism 1033 needs to be controlled slightly to stabilize the sampling height of the sampling mechanism 1. Optionally, a waterproof air film partition is adopted between the sampling cavity 1022 and the sinking and floating cavity 1032, so that when the sampling cavity 1022 samples, the waterproof air film is extruded to cause the sinking and floating cavity 1032 to drain outwards, and further, the self gravity is automatically balanced, so that the suspension depth of the sampling mechanism 1 during sampling is kept stable. Alternatively, the sampling channel 1021 and the liquid inlet and outlet channel 1031 may use the same water inlet, or may use different water inlets. Optionally, the liquid inlet and outlet channels 1031 are provided with a plurality of liquid inlet and outlet channels 1031, each liquid inlet and outlet channel 1031 is correspondingly provided with a floating control valve 1034, the liquid inlet and outlet channels 1031 are respectively communicated to the outside of the sampling mechanism 1 from different directions, and the suspension position and suspension depth of the sampling mechanism 1 in the liquid are finely adjusted and controlled by liquid inlet or liquid outlet from different directions; it is also possible to realize an acceleration movement or a deceleration movement of the sampling mechanism 1 in a predetermined direction in the liquid by opening part of the liquid-feeding and discharging channels 1031 or opening all of the liquid-feeding and discharging channels 1031.

As shown in fig. 2, the liquid feeding and discharging mechanism 1033 adopts a piston mechanism, and the piston mechanism is used for pushing out to discharge the liquid in the sinking and floating cavity 1032 outwards so as to realize the floating of the sampling mechanism 1, and the piston mechanism is used for pulling in to suck the external liquid into the sinking and floating cavity 1032 so as to realize the sinking of the sampling mechanism 1, and the piston mechanism is used for controlling the liquid-gas ratio in the sinking and floating cavity 1032 so as to realize the hovering of the sampling mechanism 1 at a preset depth. The piston mechanism comprises a driving part, a push rod and a piston, and the driving part is connected with the first control device 3.

As shown in fig. 2, the liquid feeding and discharging mechanism 1033 adopts a gas generator which is arranged in the sinking and floating cavity 1032 and is filled with compressed gas, the sampling mechanism 1 is sunk by filling a predetermined amount of liquid in the sinking and floating cavity 1032, the liquid-gas ratio in the sinking and floating cavity 1032 is regulated by the gas generator, the sampling mechanism 1 is hovered and sampled at a predetermined depth, and the gas is filled into the sinking and floating cavity 1032 by the gas generator, so that the liquid in the sinking and floating cavity 1032 is discharged, and the upward floating of the sampling mechanism 1 is realized.

Optionally, a gas generator is arranged in the sampling mechanism 1, the gas generator is communicated to the outside of the sampling mechanism 1 through exhaust channels with different orientations, and the gas is discharged to different exhaust channels through controlling the gas generator, so that the movement of the sampling mechanism 1 in liquid is realized, and the middle suspension position and the suspension depth of the sampling mechanism 1 in the liquid are adjusted.

In this embodiment, the sampling mechanism 1 is provided with at least one of a pressure sensor, a positioning module, a temperature sensor, a flow sensor, a conductivity sensor, a gyroscope sensor, a PH sensor, a turbidity sensor, a sound pickup, a video acquisition device, a timer, an information storage, a wireless signal transceiver, and a controller. The conductivity sensor is a sensor for measuring the conductivity of a solution or the total ion concentration of a water sample, and can be used for judging the water inlet environment of the sampling mechanism 1. The sampling mechanism 1 is also provided with a motion sensor, a water depth measuring instrument, a level meter and the like, and can be provided with other commonly known electronic components or device structures for auxiliary detection, induction and the like for liquid sampling. The temperature sensor may be used as a temperature sensor for sensing the sampling temperature, or may sense the temperature of the surrounding liquid outside the sampling mechanism 1. The pressure sensor can be used for sensing sampling pressure, and depth detection can be realized by matching with other electrical elements. The flow sensor may be used to sense the amount of sample or to sense the flow rate of liquid outside the sampling mechanism 1. The motion sensor may be used to sense the motion profile or motion condition of the sampling mechanism 1. A gyro sensor may be used to sense the moving speed and posture of the sampling mechanism 1. The water depth gauge may be used to sense water depth. The timer may be used to assist the time axis in the operation of the sampling mechanism 1 and thus to know the time at which each of its working steps is located. The positioning module may adopt well-known and commonly used remote positioning (such as a GPS positioning module), near-end positioning (such as infrared positioning, bluetooth positioning and the like). The information storage may be used to record sampling environment information and/or parameter information of the liquid sample. The wireless signal transceiver can be used for receiving and transmitting communication information near or above the liquid level so as to wirelessly transmit the sampling parameter information or receive a remote control instruction and the like.

As shown in fig. 2 and 3, the signal transmitting device 4 includes an optical signal transmitting device or a communication signal transmitting device, the signal transmitting device 4 is connected with the first control device 3, and the first control device 3 controls the signal transmitting device 4 to transmit a signal to the periphery after the sampling mechanism 1 returns to the liquid level after the sampling is completed; the navigation mechanism 2 is provided with an omnidirectional receiver 203 and a directional receiver 204, and the omnidirectional receiver 203 and the directional receiver 204 are respectively connected with the second control device 5; the navigation mechanism 2 senses the signal emitted by the sampling mechanism 1 through the omnidirectional receiver 203, moves towards the sampling mechanism 1 according to the direction of the signal, and enables the sampling mechanism 1 to enter a signal receiving area of the directional receiver 204, the navigation mechanism 2 switches the signal receiving of the omnidirectional receiver 203 to the signal receiving of the directional receiver 204, and moves towards the sampling mechanism 1 according to the direction of the directional receiver 204, and the second control device 5 continuously adjusts the running speed, the position and the direction of the navigation mechanism 2 according to the signal received by the directional receiver 204, so that the navigation mechanism 2 is in butt joint with the sampling mechanism 1, and the navigation mechanism 2 is connected with the sampling mechanism 1 into a whole through the connecting mechanism 6.

Optionally, the signal transmitting device 4 adopts a communication information receiving and transmitting device, the navigation mechanism 2 establishes communication connection with the sampling mechanism 1 by receiving communication signals sent by the sampling mechanism 1 outwards, the navigation mechanism 2 recognizes the position information of the sampling mechanism 1 in real time according to the guidance of the communication connection established with the sampling mechanism, the navigation mechanism 2 navigates to the direction of the sampling mechanism 1 in real time, and the navigation mechanism 2 navigates to the direction of the sampling mechanism 1 according to the navigation.

As shown in fig. 1 and 2, the connecting mechanism 6 adopts a hook lock structure or a magnetic attraction structure; or the connecting mechanism 6 can adopt a carrying platform, and the carrying platform is lifted after being moved to the bottom of the sampling mechanism 1 through the navigation mechanism 2, so that the carrying platform carries the sampling mechanism 1 to operate on the liquid surface. Different connection modes can be selected according to the needs, so that the sampling mechanism 1 is conveniently carried on the navigation mechanism 2, and meanwhile, the sampling mechanism 1 is conveniently released and recovered after sampling.

As shown in fig. 3, the navigation mechanism 2 is provided with a driving mechanism 201 for driving the navigation mechanism 2 to directionally operate on the liquid surface and a power supply module 202 for supplying power to the navigation mechanism 2. The driving mechanism 201 adopts at least one of a power propeller, a steering engine, an air spraying device and a liquid spraying device, and the driving mechanism 201 can also adopt other conventional power devices for underwater navigation. The power module 202 may be a lithium battery, a solar battery pack, or a storage battery, or other well-known power devices that are commonly used to enable the cruising mechanism 2 to continue cruising.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (9)

1. A split deep sampling device is used for liquid deep sampling with fixed point and depth,

characterized by comprising the following steps: a sampling mechanism (1) for going deep to a preset liquid depth position to sample and returning to the liquid level after the sampling is finished, and a navigation mechanism (2) for carrying the sampling mechanism (1) to run to a specified position on the liquid level and releasing the sampling mechanism (1),

the sampling mechanism (1) is provided with a first control device (3) for controlling the sampling mechanism (1) separated from the navigation mechanism (2) to sink to a preset depth for sampling and returning to the liquid level after the sampling is finished, and a signal transmitting device (4) for transmitting a positioning signal to the periphery after the sampling is finished and returning to the liquid level,

the navigation mechanism (2) is provided with a second control device (5) which is used for receiving the signal sent by the signal transmitting device (4) and approaching the signal, and a connecting mechanism (6) which is used for enabling the sampling mechanism (1) to be connected to the navigation mechanism (2) and to follow the navigation mechanism (2) to run on the liquid surface.

2. The split deep sampling device of claim 1, wherein,

the sampling mechanism (1) comprises a shell (101),

a sampling part (102) for controlling sampling and a sinking and floating part (103) for controlling sinking and floating are arranged in the shell (101).

3. The split deep sampling device of claim 2, wherein,

the sampling part (102) comprises a sampling channel (1021) arranged on the shell (101) and a sampling cavity (1022) arranged in the inner cavity of the shell (101), the sampling cavity (1022) is communicated with a liquid sample outside the shell (101) through the sampling channel (1021), and the sampling channel (1021) is provided with a sampling valve (1023) for controlling the liquid sample to enter and exit;

the sinking and floating part (103) comprises a liquid inlet and outlet channel (1031) which is arranged on the shell (101), a sinking and floating cavity (1032) which is arranged in the shell (101) and a liquid inlet and outlet mechanism (1033) which is used for controlling liquid inlet or liquid outlet so as to control the sinking and floating of the sampling mechanism (1), wherein a sinking and floating control valve (1034) is arranged on the liquid inlet and outlet channel (1031);

the first control device (3) is respectively connected with the sampling valve (1023), the liquid inlet and outlet mechanism (1033) and the sinking and floating control valve (1034).

4. The split deep sampling device of claim 3, wherein,

the liquid inlet and outlet mechanism (1033) adopts a piston mechanism, the liquid in the sinking and floating cavity (1032) is discharged outwards through the piston mechanism to realize the floating of the sampling mechanism (1), the piston mechanism is pulled inwards to suck external liquid into the sinking and floating cavity (1032) to realize the sinking of the sampling mechanism (1), and the piston mechanism is used for controlling the liquid-gas ratio in the sinking and floating cavity (1032) to realize the hovering of the sampling mechanism (1) at a preset depth.

5. The split deep sampling device of claim 3, wherein,

the liquid inlet and outlet mechanism (1033) adopts a gas generator which is arranged in the sinking and floating cavity (1032) and filled with compressed gas, a predetermined amount of liquid is filled in the sinking and floating cavity (1032) to enable the sampling mechanism (1) to sink, the liquid-gas ratio in the sinking and floating cavity (1032) is adjusted through the gas generator, the sampling mechanism (1) is further enabled to hover at a predetermined depth and sample, and the gas is filled in the sinking and floating cavity (1032) through the gas generator to enable the liquid in the sinking and floating cavity (1032) to be discharged, so that the floating of the sampling mechanism (1) is achieved.

6. The split deep sampling device of any one of claim 1 to 5, wherein,

the sampling mechanism (1) is provided with at least one of a pressure sensor, a positioning module, a temperature sensor, a flow sensor, a conductivity sensor, a gyroscope sensor, a PH sensor, a turbidity sensor, a pickup, a video acquisition device, a timer, an information storage and a wireless signal transceiver.

7. The split deep sampling device of any one of claim 1 to 5, wherein,

the signal transmitting device (4) comprises an optical signal transmitting device or a communication signal transmitting device, the signal transmitting device (4) is connected with the first control device (3), and the signal transmitting device (4) is controlled by the first control device (3) to transmit signals to the periphery after the sampling mechanism (1) finishes sampling and returns to the liquid level;

the navigation mechanism (2) is provided with an omnidirectional receiver (203) and a directional receiver (204), and the omnidirectional receiver (203) and the directional receiver (204) are respectively connected with the second control device (5);

the navigation mechanism (2) senses signals emitted by the sampling mechanism (1) through the omnidirectional receiver (203), moves towards the sampling mechanism (1) according to the direction of the signals, enables the sampling mechanism (1) to enter a signal receiving area of the directional receiver (204), the navigation mechanism (2) switches the signal receiving of the omnidirectional receiver (203) to the signal receiving of the directional receiver (204), moves towards the sampling mechanism (1) according to the direction of the directional receiver (204), and the second control device (5) continuously adjusts the running speed, the position and the direction of the navigation mechanism (2) according to the signals received by the directional receiver (204), so that the navigation mechanism (2) is in butt joint with the sampling mechanism (1), and enables the navigation mechanism (2) to be connected with the sampling mechanism (1) into a whole through the connecting mechanism (6).

8. The split deep sampling device of any one of claim 1 to 5, wherein,

the connecting mechanism (6) adopts a hook lock structure or a magnetic attraction structure; or alternatively

The connecting mechanism (6) can adopt a carrying platform, the carrying platform is moved to the bottom of the sampling mechanism (1) through the navigation mechanism (2) and then lifted, and then the sampling mechanism (1) is carried by the carrying platform to operate on the liquid level.

9. The split deep sampling device of any one of claim 1 to 5, wherein,

the navigation mechanism (2) is provided with a driving mechanism (201) for driving the navigation mechanism (2) to directionally run on the liquid surface and a power supply module (202) for supplying power to the navigation mechanism (2),

the driving mechanism (201) adopts at least one of a power propeller, a steering engine, an air spraying device and a liquid spraying device, and the power module (202) adopts a lithium battery, a solar battery pack or a storage battery.