CN110836958B - Integrated multifunctional deep sea water body sampling probe - Google Patents
Integrated multifunctional deep sea water body sampling probe Download PDFInfo
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- CN110836958B CN110836958B CN201911032681.9A CN201911032681A CN110836958B CN 110836958 B CN110836958 B CN 110836958B CN 201911032681 A CN201911032681 A CN 201911032681A CN 110836958 B CN110836958 B CN 110836958B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/12—Thermometers specially adapted for specific purposes combined with sampling devices for measuring temperatures of samples of materials
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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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Abstract
The invention relates to an integrated multifunctional deep sea water body sampling probe, and belongs to the technical field of deep sea sampling. The sampling probe comprises a mounting base and a detection sampling unit; the mounting base is provided with a communication hole penetrating through the front end surface and the rear end surface of the mounting base and a side connection hole penetrating from the side surface of the mounting base to be communicated with the communication hole; the detection sampling unit comprises a sampling pipe, a filter head sleeved on the inlet end of the sampling pipe, a temperature detection sensor and a chemical parameter sampling sensor sleeved in the sampling pipe, and a heat-conducting protective sleeve sleeved outside the temperature detection sensor in a watertight manner; the outlet end of the sampling pipe is sleeved in the inlet end of the communicating hole in a watertight manner, the outlet end of the heat-conducting protective sleeve stretches into the communicating hole in a watertight manner, and the temperature signal wire stretches out of the communicating hole; a signal wire of the chemical parameter sampling sensor passes through the communication hole in a watertight manner; the inlet end of the sample conveying pipe is sleeved in the outlet end of the side connecting hole in a watertight manner. The probe can be used for sequence sampling and can be widely applied to the field of ocean exploration.
Description
Technical Field
The invention relates to the technical field of deep sea sampling, in particular to a multifunctional deep sea water body sampling probe integrated with a temperature sensor and a chemical sensor.
Background
The submarine hydrothermal activity plays an important role in regulating the heat exchange process between the earth's interior and the sea water, and obtaining hydrothermal samples is a necessary means for studying hydrothermal activity, and hydrothermal samples are usually sampled by using a sampling probe, for example, a hand-held deep sea air-tight isobaric hydrothermal sampler disclosed in patent document No. CN1837770A, which includes a sampling unit, a temperature detecting unit 19 and a storage unit 20.
Wherein, the sampling unit includes sampling pipe 1 and sampling valve 2, and the liquid outlet of sampling pipe 1 passes through connecting tube and storage unit 20's inlet intercommunication, and sampling valve 2 establishes ties in this connecting tube to control opening and close of this connecting tube. The temperature detection unit 19 comprises a shell, a hydrothermal liquid temperature probe 15, a processing unit and a power supply battery 10, wherein the processing unit and the power supply battery are arranged in a circuit cavity 9 of the shell, and the processing unit comprises an electric plate 11; the hydrothermal temperature probe 15 is mounted on the housing through the watertight connector 12, and the output end of the thermocouple wire in the hydrothermal temperature probe 15 outputs a detection signal to the processing unit through a wire passing through the watertight connector 12 in a watertight manner.
In the working process, a mechanical arm on the deep submergence vehicle clamps the sampler, aligns the sampling pipe 1 and the hydrothermal solution temperature probe 15 with the hydrothermal solution nozzle, and when the measured temperature of the hydrothermal solution nozzle reaches the sampling requirement, the sampling valve 2 is opened, and the hydrothermal solution enters the storage unit 20 through the sampling pipe 1; wherein the sampling tube 1 constitutes the sampling probe in this embodiment. After sampling, the obtained hydrothermal solution is analyzed by chemical parameters on land, and due to the change of environment such as temperature and the mixture of samples sampled for many times, the obtained chemical parameters are difficult to reflect the original parameter information and the sequence sampling required by actual detection is difficult to achieve.
Disclosure of Invention
The invention mainly aims to provide an integrated multifunctional deep-sea water body sampling probe, which can synchronously acquire the temperature and chemical parameters of hydrothermal solution in the original hydrothermal solution environment so as to meet the sequential sampling requirement of actual detection.
In order to achieve the main purpose, the integrated multifunctional deep sea water body sampling probe provided by the invention comprises a mounting base, a detection sampling unit and a sample conveying pipeline unit, wherein the detection sampling unit is fixed on the mounting base; the mounting base is provided with a communication hole penetrating through the front end surface and the rear end surface of the mounting base and a side connection hole penetrating from the side surface of the mounting base to be communicated with the communication hole; the detection sampling unit comprises a sampling pipe, a filter head sleeved on the inlet end of the sampling pipe, a temperature detection sensor and a chemical parameter sampling sensor sleeved in the sampling pipe, and a heat-conducting protective sleeve sleeved outside the temperature detection sensor in a watertight manner; the outlet end of the sampling pipe is sleeved in the inlet end of the communicating hole in a watertight manner, the outlet end of the heat-conducting protective sleeve stretches into the communicating hole in a watertight manner, and the temperature signal wire stretches out of the communicating hole; a signal wire of the chemical parameter sampling sensor passes through the communication hole in a watertight manner; the sample conveying pipeline unit comprises a sample conveying pipe, and the inlet end of the sample conveying pipe is watertight sleeved in the outlet end of the side connecting hole.
Based on the structure, the in-situ sampling of chemical parameters and temperature can be synchronously carried out, the advantages of the sensor and the sampler can be fully exerted by combining the in-situ sampling with the sequence fidelity sampling, the advantages of continuous measurement and real-time data acquisition of the sensor and the advantage of rich samples provided by the sequence sampling can be combined, and unprecedented large quantities of continuous measurement data and sequence fidelity samples can be provided for deep sea research.
The integrated multifunctional deep sea water body sampling probe comprises a mounting shell unit; the mounting shell unit comprises a mounting base, an oil containing cylinder body with one end opening being sleeved outside the outlet end part of the mounting base in a watertight manner, and a sleeving base with the inlet end part being sleeved inside the other end opening of the oil containing cylinder body in a watertight manner; the central area of the sleeving base is provided with a through hole, the outlet end part of the through hole is sleeved with a switching joint in a watertight manner, and a signal wire penetrating through the inlet of the through hole is electrically connected with an external watertight cable through the switching joint. Effectively improving the requirements of the signal line on the watertight working environment.
The more concrete scheme is that the oil containing cylinder body is of a transparent hose structure, and the inner cavity of the oil containing cylinder body is filled with sealing oil; the sleeving base is provided with an oil filling hole which is positioned beside the through hole, and the oil filling hole is detachably sleeved with an oil filling plug; the outer peripheral surface of the outlet end part of the mounting base is provided with an inner groove arranged along the circumferential direction of the mounting base, and the outer peripheral surface of the inlet end part of the sleeving base is provided with an inner groove arranged along the circumferential direction of the sleeving base; the two ends of the oil containing cylinder body are correspondingly sleeved outside the two inner grooves, and the end part of the oil containing cylinder body is sleeved with a hoop used for hooping the end part outside the inner grooves.
The outlet end part of the mounting base comprises a large-diameter port part used for being sleeved in the oil containing cylinder body and a small-diameter port part arranged by extending outwards from the large-diameter port part; the outer peripheral surface of the small-diameter port part is of an external thread structure, and a first clamping groove which is axially arranged along the inner hole wall is formed in the inner hole wall; a watertight joint component is sleeved in the communicating hole part at the inlet end part on the mounting base; the watertight joint component comprises a cushion block, a rubber block, a pressing block and a locking nut which are arranged in the communicating hole part from inside to outside; the rubber block is provided with a central through hole for the heat-conducting protective sleeve to pass through and a side through hole for the signal wire of the chemical parameter sampling sensor to pass through; a second clamping groove which is matched and butted with the first clamping groove is arranged on the outer peripheral surface of the pressing block, and a clamping pin which is coupled and connected with the two clamping grooves is clamped between the two clamping grooves; the locking nut is matched with the external thread structure to abut against the pressing block so as to force the rubber block to be compressed and deformed to be close to the peripheral surface of the sealing signal wire and the peripheral surface of the heat-conducting protective sleeve. Effectively improving the sealing requirement of the front end.
The end part of the rubber block facing the cushion block is a circular truncated cone-shaped protruding positioning part, and a circular truncated cone-shaped positioning groove matched with the protruding positioning part is concavely arranged on the end surface of the cushion block; an inner shoulder is arranged in the communicating hole part, and the end face, far away from the rubber block, of the cushion block is supported on the inner shoulder.
The preferred scheme is that the integrated multifunctional deep sea water body sampling probe comprises a bracket assembly, wherein the bracket assembly comprises a mounting seat, a sleeve fixed on the upper side of the mounting seat and an obliquely-arranged handle fixed on the lower side of the mounting seat; a first convex ring structure with the outer diameter larger than that of the oil containing cylinder is convexly arranged in the middle area of the mounting base; the sleeve is sleeved outside the first convex ring structure and detachably and fixedly connected with the convex ring structure through a screw; the outlet end of the sleeving base is of a second convex ring structure with the outer diameter larger than that of the oil containing cylinder, and the sleeve is tightly sleeved outside the second convex ring structure. The grabbing operation of the manipulator is facilitated, and the hose structure is protected by the sleeve.
The preferred scheme is that the filter head comprises a filter screen, a filter screen sleeve seat, a filter screen compression ring and a probe cover cap; the filter screen sleeve seat is of a cylinder structure, an inner convex ring is convexly arranged in the middle area of an inner cylinder cavity of the cylinder structure, one port is sleeved outside the inlet end of the sampling tube, and the end face of the inner convex ring is abutted against the end face of the sampling tube; the filter screen compression ring and the filter screen are sequentially sleeved in the other port of the cylinder structure; the probe cover cap is provided with a sleeving part sleeved in the other end opening through a thread structure so as to push the filter screen compression ring and force the filter screen to abut against the other end surface of the inner convex ring; in the footpath, the filter screen sleeve seat is arranged on the wall of the filter screen compression ring just opposite to the outer side and is provided with a water inlet hole, and the position on the filter screen compression ring matched with the water inlet hole is provided with a water passing hole butted with the water inlet hole. Effectively reducing the impact damage of impurities in the water flow to the filter screen.
The preferred scheme is that the intercommunicating pore comprises a first internal thread outer end opening part and a first conical sealing inclined conical surface adjacent to the first internal thread outer end opening part, the outlet end part of the sampling tube is fixedly provided with a first clamping sleeve and a first elastic clamping ring sleeved outside the outlet end part, and a first thread pressing cap matched with the first internal thread outer end opening part is sleeved outside the first clamping sleeve and used for tightly pressing the first elastic clamping ring on the first conical sealing inclined cone through the first clamping sleeve.
The preferable scheme is that the side connection hole comprises a second internal thread outer end opening part and a second conical sealing inclined conical surface adjacent to the second internal thread outer end opening part, a second clamping sleeve and a second elastic clamping ring sleeved outside the inlet end part are fixedly arranged at the inlet end part of the sample conveying pipe, and a second threaded pressing cap matched with the second internal thread outer end opening part is sleeved outside the second clamping sleeve and used for pressing the second elastic clamping ring on the second conical sealing inclined conical surface through the second clamping sleeve.
The preferred scheme is that the sampling tube is a titanium tube, and the heat-conducting protective sleeve is a titanium tube with one closed end; the sample conveying pipe is a titanium pipe; the outlet end of the sample delivery tube was connected to the PEEK tube by an adapter.
Drawings
FIG. 1 is an axial cross-sectional view of an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion G of FIG. 2;
FIG. 4 is an enlarged view of a portion J of FIG. 2;
FIG. 5 is an enlarged view of section I of FIG. 3;
FIG. 6 is an enlarged view of a portion A of FIG. 1;
FIG. 7 is an enlarged view of portion F of FIG. 6;
FIG. 8 is an enlarged view of E of FIG. 6;
FIG. 9 is an enlarged view of section K of FIG. 7;
FIG. 10 is an enlarged view of part B of FIG. 1;
FIG. 11 is an enlarged view of a portion H of FIG. 2;
FIG. 12 is an enlarged view of portion C of FIG. 1;
fig. 13 is a partial enlarged view D of fig. 1.
Detailed Description
The invention is further illustrated by the following examples and figures.
In the following embodiments, the structure of the sampling probe in the prior art is mainly improved to achieve the purpose of sequential sampling, and the structure of the storage device for storing the sampled samples can refer to the design of the existing product.
Examples
Referring to fig. 1 to 13, the probe 1 of the present invention includes a mounting case unit 2, a probe sampling unit 3, a sample transfer line unit 4, and a carriage assembly 6.
Referring to fig. 1 to 10, the installation case unit 2 is a watertight case structure, and includes an oil container 26, a left end cap unit 20 watertightly fitted into a left open end of the oil container 26, and a right end cap unit 27 watertightly fitted into a right open end of the oil container 26; in this embodiment, the cartridge body 26 is a transparent hose made of PVC.
The left end cap unit 20 includes a mounting base 21 and a watertight joint assembly 22 nested within the mounting base 21. The mounting base 21 has a cylindrical body, a convex ring structure 210 is formed in a convex manner in the middle area of the outer peripheral surface of the cylindrical body, and a communication hole penetrating through two end faces is formed inside the convex ring structure; the left and right column parts of the bulge loop structure 210 are stepped shafts; the left stepped shaft is an inlet end part, the small-diameter end part forms a second sleeve seat 214, and the large-diameter end part is provided with an installation screw hole 213; the right stepped shaft is an outlet end part, the small-diameter port part forms a first sleeve seat 212, and a first mounting inner groove 212 is concavely formed in the outer peripheral surface of the large-diameter port part; one or more screw holes 2100 are formed in the circumferential surface of the male ring structure 210. The outer peripheral surface of the first socket 212 is provided with an external thread structure 2121, the side wall of the inner hole is concavely formed with a first semi-cylindrical stop groove 2120, the length direction of the semi-cylindrical stop groove is arranged along the axial extension of the mounting base 21, and the semi-cylindrical stop groove penetrates through the open end surface of the first socket 212. The bore 215 at the right major diameter is used to mount the watertight connector assembly 22, and the right end of the bore 215 is convexly provided with an annular fourth internal shoulder 2151. The inner hole of the second socket 214 is a threaded hole 2141, the threaded hole 2141 is communicated with the accommodating cavity 215 through a first communication hole 2140, and the left open end of the communication hole is a truncated cone-shaped first tapered sealing tapered surface 21400, and the large-diameter opening of the first tapered sealing tapered surface is located on the outer side. The mounting screw hole 213 is communicated with the first communication hole 2140 through a second communication hole 2130 extending in the radial direction of the columnar body to form a bypass structure, an outer end opening portion of the second communication hole 2130 is a truncated cone-shaped second tapered sealing inclined conical surface 21300, and a large diameter opening of the first tapered sealing inclined conical surface is positioned on the outer side; wherein the mounting screw hole 213 constitutes a bypass hole in the present embodiment together with the second communication hole 2130.
Referring to fig. 1 to 9, the watertight joint assembly 22 includes, from left to right, a spacer 220, a rubber block 221, a hold-down block 222, a cylindrical pin 224, and a hold-down nut 223, which are arranged in this order. The body of the cushion block 220 is a columnar structure, in this embodiment, the material of the cushion block 220 is titanium alloy; the right end face of the body of the cushion block 220 is concavely provided with a circular truncated cone-shaped positioning groove 2200, the large-diameter opening end of the positioning groove is positioned on the outer side, the bottom face of the circular truncated cone-shaped positioning groove 2200 is provided with a plurality of first through holes 2201, and the specific number is determined according to the number of the signal lines. The body of the rubber block 221 is a columnar structure, a circular truncated cone-shaped positioning portion 2212 for being sleeved in the circular truncated cone-shaped positioning groove 2200 is convexly arranged on the left end face of the rubber block, the small-diameter end portion of the positioning portion is located on the outer side, and a plurality of watertight through holes 2210 matched and butted with the first through holes 2201 are concavely arranged on the top face of the positioning portion. The left end face of the rubber block 221 is fitted with the right end face of the cushion block 220. The pressing block 222 is a cylindrical structure, a first large-diameter wire passing hole 2220 is concavely formed in a middle region of a right end surface of the cylindrical structure, and a plurality of second through holes 2222 matched and butted with the watertight through holes 2210 are formed in the bottom of the first large-diameter wire passing hole. A second semi-cylindrical stop groove 2221 matched with the first semi-cylindrical stop groove 2120 is concavely arranged on the right end portion of the outer peripheral surface of the pressing block 222, the length direction of the second semi-cylindrical stop groove is arranged along the axial direction of the mounting base 21, and the left end of the second semi-cylindrical stop groove penetrates through to the left end surface of the pressing block 222. The first semi-cylindrical stop groove 2120 and the second semi-cylindrical stop groove 2221 are matched with each other to form a complete cylindrical stop groove for accommodating the cylindrical pin 224; the left end face of the pressing block 222 is fitted with the right end face of the rubber block 221, and in this embodiment, the pressing block 222 is made of stainless steel. The inner bore of the gland nut 223 forms a second major diameter wire through hole 2230 that mates with the first major diameter wire through hole 2220. The compression nut 223 is screwed to the external thread structure 2121 of the first socket 212, and in this embodiment, the material of the compression nut 223 is stainless steel. The second semi-cylindrical stop slot 2221 and the first semi-cylindrical stop slot 2120 both constitute a detent in this embodiment, and the cylindrical pin 224 constitutes a detent in this embodiment.
Referring to fig. 1 to 10, the right end cover unit 27 includes a packing base 23 and a watertight seat 28. The main body of the set base 23 has a cylindrical structure, and is provided with a communication hole therein, an outer shoulder 230 at the right end of the outer circumferential surface thereof, and a second mounting groove 231 concavely provided in the middle region of the outer circumferential surface thereof. The middle region of the outer end face of the sleeving base 23 is concavely provided with a small-diameter screw hole 233, the middle region of the inner end face of the end cover is concavely provided with a large-diameter hole 232, the small-diameter screw hole 233 is communicated with the large-diameter hole 232, and the small-diameter screw hole 233 and the large-diameter hole 232 form a stepped hole structure. The area that is close to path screw 233 on the outer terminal surface is equipped with the threaded hole of irritating oil concavely, and in this embodiment, the quantity of the threaded hole of irritating oil is 2. The oil filling plug 236 is screwed into the oil filling threaded hole and fixed to the set base 23.
The band 24 is fitted over the right open end of the canister body 26. in this embodiment, the band 25 is made of stainless steel. The right open end of the oil containing cylinder 26 is sleeved outside the second mounting groove 231 of the sleeving base 23, and the right end face of the oil containing cylinder 26 is abutted against the shoulder table face of the shaft shoulder 230 of the sleeving base 23; the clamp 24 is contracted to clamp the flexible tube tightly, thereby fixing the sheathing base 23 on the right open end of the oil cylinder 26 in a watertight manner. The hoop 25 is sleeved outside the left open end of the oil containing cylinder 26, the left open end of the oil containing cylinder 26 is sleeved outside the first mounting groove 211 of the mounting base 21, and the left end face of the oil containing cylinder 26 abuts against the ring end face of the convex ring 210 of the mounting base 21; the clamp 25 is contracted to clamp the flexible tube, so as to fix the mounting base 21 on the left open end of the oil container 26 in a watertight manner, in this embodiment, the clamp 25 is made of stainless steel. The inner cavity of the installation shell unit 2 is filled with oil, and the oil filling plug 236 is screwed, so that the inner cavity of the installation shell unit 2 is sealed with oil. The left end of the watertight seat 28 is provided with an external thread structure 280 which is screwed and fixed with the small-diameter screw hole 233 of the nesting base 23, so that the watertight seat 28 is fixedly connected to the nesting base 23 in a watertight manner. The right end of the watertight socket 28 is provided with a watertight cable 29 for connecting to an external device and outputting an electrical signal. The watertight socket 28 constitutes an adapter in this embodiment.
Referring to fig. 1 and 2, the bracket 6 includes, from bottom to top, an obliquely disposed handle 60, a mounting seat 61, and a sleeve 62, which are sequentially disposed. The handle 60 is an inverted T-shaped structure. The mounting seat 61 is provided with a mounting groove 610, and the length direction of the mounting groove is arranged along the axial extension of the sleeve 62. The sleeve 62 is partially cut rightward in the axial direction of the sleeve 62 at the tip end portion of the outer peripheral surface thereof so as to fit the oil drum 26. The sleeve 62 has a plurality of through holes 620 formed around its central axis at the left end of its outer peripheral surface. The mounting seat 61 and the handle 60 are fixedly connected, in this embodiment, the mounting seat 61 and the handle 60 are fixedly connected by welding, and in addition, the mounting seat can also be fixedly connected by screwing or the like. The sleeve 62 is fixed in the mounting groove 610 of the mounting seat 61, and in this embodiment, it may be detachably fixed by a screw, detachably fixed by a slot structure, fixed by an adhesive structure, or fixed by a welding structure. The screw 2000 is screwed into the screw hole 2100 provided in the mounting base 21 through the through hole 620 of the sleeve 62, and fixes the mounting case unit 2 inside the sleeve 62. The mechanical arm of the seabed water sampling device is connected with the connecting rod 60 to control the bracket 6, so that the position of the probe 1 can be controlled by the mechanical arm.
Referring to fig. 1 to 12, the detection sampling unit 3 includes a first sleeve 30, a filter head 31 installed on the left open end of the first sleeve 30, a second sleeve 34 and an electrode 33 sleeved in the first sleeve 30, and a thermocouple wire sleeved in the second sleeve 34. The outer peripheral surface of the left open end of the first sleeve 30 is provided with an external thread structure 300, in this embodiment, the first sleeve 30 is a titanium tube. From right to left, the filter head 31 includes a filter screen sleeve seat 310, a filter screen 311, a filter screen compression ring 312, and a probe cover cap 313, which are sequentially disposed. The body of the filter screen sleeve seat 310 is of a cylindrical structure, the cylindrical structure is provided with an inner cavity 3100, the middle part of the inner cavity 3100 is provided with an annular inner convex ring 31000, and the inner wall of the left open end part of the filter screen sleeve seat 310 is provided with an internal thread structure 31002; a plurality of water distribution holes 31001 for water to pass through are uniformly arranged on the inner wall of the filter screen sleeve seat 310 around the central axis thereof; in the axial direction, these water distribution holes are provided between the internal thread structure 31002 and the fifth internal shoulder 31000; in this embodiment, the number of the water distribution holes 31001 is 4. The right open end of the filter screen sleeve seat 310 is provided with an internal thread structure 31003, in this embodiment, the material of the filter screen sleeve seat 310 is titanium alloy. The filter screen compression ring 312 is of a sleeve structure, and the left end portion on the outer peripheral surface of the sleeve structure is uniformly provided with U-shaped holes 3120 matched with the water distribution holes 31001 of the filter base around the central axis of the filter screen sleeve base 310 for guiding the water to enter. The body of the probe cover 313 is a cylinder structure, the outer circumference of the cylinder structure is provided with an external thread structure 3130, the left end surface of the cylinder structure is convexly provided with a cone structure, and in the embodiment, the material of the probe cover 313 is titanium alloy. The probe cover 313 is screwed watertight with the internal thread structure 31002 of the left open end of the screen nest 310 by means of the external thread structure 3130, and presses the screen ring 312 and the screen 311 into the cavity 3100 of the screen nest 310, so that the screen 311 abuts against the fifth internal shoulder 31000. The internal thread structure 31003 at the right open end of the filter screen sleeve holder 310 is screwed with the external thread structure 300 at the left open end of the first connection pipe 30, so that the filter screen sleeve holder 310 is fixedly connected to the left open end of the sleeve 30. The second sleeve 34 is of titanium tube construction with a sealed front end. The right open end of the first sleeve 30 is water-tightly mounted in the second nest of the mounting base 21 by a threaded press cap 101. The left end of the second sleeve 34 is sleeved in the first connecting pipe 30, and the second sleeve 34 passes through the first connecting hole 2140 and the cavity 215 of the mounting base 21, the first through hole 2201 of the cushion block 220, the watertight through hole 2210 of the rubber block 221 and the second through hole 2222 of the pressing block 222 in sequence, and is communicated with the first large-diameter wire passing hole 2220 of the pressing block 222. There is a gap between the second sleeve 34 and the first sleeve 30 for the passage of water samples. The electrode 33 is used for measuring the relevant chemical quantity, and in the embodiment, the electrode 33 is a PH electrode; the electrodes 33 may be replaced with corresponding sensors according to the chemical parameters to be sampled, and are not limited to the electrode structure in the present embodiment. Wherein the first sleeve 30 constitutes the sampling tube in this embodiment and the second sleeve 31 constitutes the thermally conductive protective sleeve in this embodiment.
The water sample transmission unit 4 includes an adapter 41, a third connection pipe 40 sleeved in the left end of the adapter 41, and a fourth connection pipe 42 sleeved in the right end of the adapter 41. A mounting screw hole 412 is concavely provided in a middle region of a left end portion of the adapter 41, and a mounting screw hole 413 is concavely provided in a middle region of a right end portion of the adapter 41. The bottom end of the mounting screw hole 412 extends along the axial direction thereof with a communication hole 410 penetrating through the adapter 41, that is, the mounting screw hole 412 is communicated with the mounting screw hole 413 through the communication hole 410, the left open end of the communication hole 410 is a third sealing inclined surface 4100 in the shape of a circular truncated cone, and the large diameter opening of the sealing inclined surface is positioned at the outer side. The right open end of the communication hole 410 is a truncated cone-shaped fourth sealing inclined surface 4101, and a large diameter portion of the sealing inclined surface is located outside. In this embodiment, the adapter 41 has a titanium tube structure. The third connecting pipe 40 has an L-shaped structure, and in this embodiment, the third connecting pipe 40 is a titanium pipe. The right open end of the fourth connection pipe 42 is watertight connected with the sampler so that the water sample is transferred and stored in the sampler, and in this embodiment, the fourth connection pipe 42 is a PEEK pipe. The left open end of the third connection pipe 40 is water-tightly mounted in the mounting screw hole 213 of the mounting base 21 by the screw cap 100.
In the installation process, the cushion block 220, the rubber block 221 and the pressing block 222 are sequentially pressed into the cavity 215 of the installation base 21, and the left end part of the cushion block 220 abuts against the fourth inner shoulder 2151; the first through hole 2201, the watertight through hole 2210 and the second through hole 2222 are matched in position, and are used for passing through the second sleeve 34 and the signal wire 330 of the electrode 33, and then the compression nut 223 is screwed and fixed with the external thread structure 2121 on the first sleeve 212, so that the compression nut 223 applies pressure to the compression block 222, thereby fixing the spacer 220, the rubber block 221 and the compression block 222 in the cavity 215. During the tightening process of the compression nut 223, as the compression nut 223 continuously presses the compression block 222 and the rubber block 221 in the axial direction, the rubber block 221 is deformed in the radial direction, the watertight through hole 2210 in the rubber block 221 is compressed and contracted, and the second connection pipe 34 and the signal wire 330 are compressed in the radial direction, thereby achieving watertight sealing, and forming a soft thin line sealing structure. Since the cylindrical pin 224 is disposed in the cylindrical stop groove formed by the second semi-cylindrical stop groove 2221 of the pressing block 222 and the first semi-cylindrical stop groove 2120 of the first socket 212, the pressing block 222 is effectively limited from rotating around its axis, thereby effectively avoiding the winding deformation damage of the second connection pipe 34 and the signal wire 330. Wherein the third connection tube 40 constitutes the sample delivery tube in this embodiment.
After extending out from the right open end of the second sleeve 34, the signal wire 320 of the thermocouple wire 32 sequentially passes through the first large-diameter wire passing hole 2220 on the pressing block 222, the second large-diameter wire passing hole 2230 on the pressing nut 223, the inner cavity of the oil containing cylinder 26, the large-diameter hole 232 and the small-diameter screw hole 233, and is connected with the watertight seat 28. The signal wire 330 of the electrode 33 passes through the first connecting hole 2140 and the cavity 215 on the mounting base 21, the first through hole 2201 on the spacer block 220, the watertight through hole 2210 on the rubber block 221, the second through hole 2222 of the pressing block 222, the first large-diameter wire through hole 2220 on the pressing block 222, the second large-diameter wire through hole 2230 on the pressing nut 223, the inner cavity of the oil containing cylinder 26, the large-diameter hole 232 and the small-diameter screw hole 233 in sequence, and is connected with the watertight seat 28.
The right open end of the first connecting pipe 30 is connected to the mounting base 21, the left open end of the third connecting pipe 40 is connected to the adapter 41, the right open end of the third connecting pipe 40 is connected to the adapter 41, and the left open end of the fourth connecting pipe 42 is connected to the adapter 41 in the same manner, and now the mounting manner between the right open end of the first sleeve 30 and the mounting base 21 is exemplarily described, the right open end of the first sleeve 30 passes through the threaded press cap 101, and then the sealing snap ring 104 is sleeved outside the right open end of the first sleeve 30; the screw cap 101 is screwed into the screw hole 2141 of the mounting base 21, and the seal ring 104 abuts against the seal inclined surface 21400, thereby fixing the first sleeve 30 to the mounting base 21 in a watertight manner. Wherein the sealing collar 104 constitutes a resilient collar in this embodiment.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. An integrated multifunctional deep sea water body sampling probe comprises a mounting base, a detection sampling unit and a sample conveying pipeline unit, wherein the detection sampling unit is fixed on the mounting base; the method is characterized in that:
the mounting base is provided with a communication hole penetrating through the front end surface and the rear end surface of the mounting base and a side connection hole penetrating from the side surface of the mounting base to the communication hole; the detection sampling unit comprises a sampling pipe, a filter head sleeved on the inlet end of the sampling pipe, a temperature detection sensor and a chemical parameter sampling sensor sleeved in the sampling pipe, and a heat-conducting protective sleeve sleeved outside the temperature detection sensor in a watertight manner;
the outlet end of the sampling pipe is sleeved in the inlet end of the communicating hole in a watertight manner, the outlet end of the heat-conducting protective sleeve stretches into the communicating hole in a watertight manner, and the temperature signal wire stretches out of the communicating hole; a signal wire of the chemical parameter sampling sensor passes through the communication hole in a watertight manner; the sample conveying pipeline unit comprises a sample conveying pipe, and the inlet end of the sample conveying pipe is sleeved in the outlet end of the side connecting hole in a watertight manner;
the integrated multifunctional deep sea water body sampling probe comprises a mounting shell unit; the mounting shell unit comprises a mounting base, an oil containing cylinder body with one end opening being sleeved outside the outlet end part of the mounting base in a watertight manner, and a sleeving base with the inlet end part being sleeved inside the other end opening of the oil containing cylinder body in a watertight manner; a through hole is formed in the central area of the sleeving base, an adapter joint is sleeved at the outlet end of the through hole in a watertight manner, and a signal wire penetrating through the inlet of the through hole is electrically connected with an external watertight cable through the adapter joint;
the outlet end part of the mounting base comprises a large-diameter port part sleeved in the oil containing cylinder and a small-diameter port part extending outwards from the large-diameter port part; the outer peripheral surface of the small-diameter port part is of an external thread structure, and a first clamping groove which is axially arranged along the inner hole wall is formed in the inner hole wall; a watertight joint component is sleeved in the communicating hole part at the inlet end part of the mounting base; the watertight joint component comprises a cushion block, a rubber block, a pressing block and a locking nut which are arranged in the communication hole part from inside to outside; a central through hole for the heat-conducting protective sleeve to pass through and a side through hole for the signal wire of the chemical parameter sampling sensor to pass through are formed in the rubber block; a second clamping groove which is matched and butted with the first clamping groove is arranged on the outer peripheral surface of the pressing block, and a clamping pin which is coupled and connected with the two clamping grooves is clamped between the two clamping grooves; the locking nut is matched with the external thread structure to abut against the pressing block so as to force the rubber block to be compressed and deformed to be close to the peripheral surface of the sealing signal wire and the peripheral surface of the heat-conducting protective sleeve.
2. The integrated multifunctional deep sea water body sampling probe of claim 1, wherein:
the oil containing cylinder body is of a transparent hose structure, and the inner cavity of the oil containing cylinder body is filled with sealing oil; the sleeving base is provided with an oil filling hole which is positioned beside the through hole, and the oil filling hole is detachably sleeved with an oil filling plug; the outer peripheral surface of the outlet end part of the mounting base is provided with an inner groove arranged along the circumferential direction of the mounting base, and the outer peripheral surface of the inlet end part of the sleeving base is provided with an inner groove arranged along the circumferential direction of the sleeving base; the two ends of the oil containing cylinder body are correspondingly sleeved outside the two inner grooves, and a hoop used for hooping the end outside the inner grooves is sleeved outside the end of the oil containing cylinder body.
3. The integrated multifunctional deep sea water body sampling probe of claim 1, wherein:
the end part of the rubber block facing the cushion block is a circular truncated cone-shaped protruding positioning part, and a circular truncated cone-shaped positioning groove matched with the protruding positioning part is concavely arranged on the end surface of the cushion block;
an inner shoulder is arranged in the communicating hole part, and the end face, far away from the rubber block, of the cushion block is supported on the inner shoulder.
4. The integrated multifunctional deep sea water body sampling probe of any one of claims 1 to 3, wherein:
the integrated multifunctional deep sea water body sampling probe comprises a bracket assembly, wherein the bracket assembly comprises a mounting seat, a sleeve fixed on the upper side of the mounting seat and an obliquely-arranged handle fixed on the lower side of the mounting seat; a first convex ring structure with the outer diameter larger than that of the oil containing cylinder is convexly arranged in the middle area of the mounting base; the sleeve is sleeved outside the first convex ring structure and detachably and fixedly connected with the convex ring structure through a screw; the outlet end part of the sleeving base is a second convex ring structure with the outer diameter larger than that of the oil containing cylinder body, and the sleeve is tightly sleeved outside the second convex ring structure.
5. The integrated multifunctional deep sea water body sampling probe of claim 4, wherein:
the filter head comprises a filter screen, a filter screen sleeve seat, a filter screen compression ring and a probe cap; the filter screen sleeve seat is of a cylinder structure, an inner convex ring is convexly arranged in the middle area of an inner cylinder cavity of the cylinder structure, one port is sleeved outside the inlet end of the sampling tube, and the end face of the inner convex ring is abutted against the end face of the sampling tube; the filter screen compression ring and the filter screen are sequentially sleeved in the other port of the cylinder structure; the probe cover cap is provided with a sleeving part sleeved in the other port through a thread structure so as to push the filter screen compression ring and force the filter screen to abut against the other end face of the inner convex ring; in the radial direction, the filter screen sleeve seat is arranged on the wall of the filter screen compression ring, which is just opposite to the outer side, and a water inlet hole which is butted with the water inlet hole is arranged at the position, matched with the water inlet hole, on the filter screen compression ring.
6. The integrated multifunctional deep sea water body sampling probe of claim 4, wherein:
the communicating hole comprises a first internal thread outer end opening part and a first conical sealing inclined conical surface adjacent to the first internal thread outer end opening part, a first clamping sleeve and a first elastic clamping ring sleeved outside the outlet end part are fixedly arranged at the outlet end part of the sampling tube, and a first thread pressing cap matched with the first internal thread outer end opening part is sleeved outside the first clamping sleeve and used for tightly pressing the first elastic clamping ring on the first conical sealing inclined conical surface through the first clamping sleeve.
7. The integrated multifunctional deep sea water body sampling probe of any one of claims 1 to 3, wherein:
the filter head comprises a filter screen, a filter screen sleeve seat, a filter screen compression ring and a probe cap; the filter screen sleeve seat is of a cylinder structure, an inner convex ring is convexly arranged in the middle area of an inner cylinder cavity of the cylinder structure, one port is sleeved outside the inlet end of the sampling tube, and the end face of the inner convex ring is abutted against the end face of the sampling tube; the filter screen compression ring and the filter screen are sequentially sleeved in the other port of the cylinder structure; the probe cover cap is provided with a sleeving part sleeved in the other port through a thread structure so as to push the filter screen compression ring and force the filter screen to abut against the other end face of the inner convex ring; in the radial direction, the filter screen sleeve seat is arranged on the wall of the filter screen compression ring, which is just opposite to the outer side, and a water inlet hole which is butted with the water inlet hole is arranged at the position, matched with the water inlet hole, on the filter screen compression ring.
8. The integrated multifunctional deep sea water body sampling probe of any one of claims 1 to 3, wherein:
the communicating hole comprises a first internal thread outer end opening part and a first conical sealing inclined conical surface adjacent to the first internal thread outer end opening part, a first clamping sleeve and a first elastic clamping ring sleeved outside the outlet end part are fixedly arranged at the outlet end part of the sampling tube, and a first thread pressing cap matched with the first internal thread outer end opening part is sleeved outside the first clamping sleeve and used for tightly pressing the first elastic clamping ring on the first conical sealing inclined conical surface through the first clamping sleeve.
9. The integrated multifunctional deep sea water body sampling probe of any one of claims 1 to 3, wherein:
the side connection hole comprises a second internal thread outer end opening part and a second conical sealing inclined conical surface which is adjacent to the second internal thread outer end opening part, a second clamping sleeve and a second elastic clamping ring sleeved outside the inlet end part are fixedly arranged at the inlet end part of the sample conveying pipe, and a second threaded pressing cap matched with the second internal thread outer end opening part is sleeved outside the second clamping sleeve and used for tightly pressing the second elastic clamping ring on the second conical sealing inclined conical surface through the second clamping sleeve.
10. The integrated multifunctional deep sea water body sampling probe of any one of claims 1 to 3, wherein:
the sampling pipe is a titanium pipe, and the heat-conducting protective sleeve is a titanium pipe with one closed end; the sample conveying pipe is a titanium pipe; the outlet end of the sample delivery tube is connected to a PEEK tube by an adapter.
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