CN112649110A - Underground water body quality detection device - Google Patents
Underground water body quality detection device Download PDFInfo
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- CN112649110A CN112649110A CN202110055471.2A CN202110055471A CN112649110A CN 112649110 A CN112649110 A CN 112649110A CN 202110055471 A CN202110055471 A CN 202110055471A CN 112649110 A CN112649110 A CN 112649110A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
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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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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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
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
The invention relates to a device for detecting the quality of underground water body, which comprises an outer shell and an inner shell, wherein the top of the outer shell is provided with a connecting ring used for being connected with a rope, the outer shell comprises a first outer shell section, a second outer shell section and a third outer shell section, the first outer shell section is of a circular cylinder structure, the second outer shell section and the third outer shell section are of a conical cylinder structure with a large top and a small bottom, the inner cavity of the inner shell is provided with at least two sampling piston cavity sections which are sequentially communicated from top to bottom, the upper sampling piston cavity section which is positioned on the upper side in the two adjacent sampling piston cavity sections is defined as an upper sampling piston cavity section, the lower sampling piston cavity section is a lower sampling piston cavity section, the diameter of the lower sampling piston cavity section is smaller than that of the upper sampling piston cavity section, and a winding drum driven by a motor. The invention provides a groundwater water body quality detection device which can simultaneously sample multiple water layers by once lowering and can measure the water temperature of the corresponding water layers.
Description
Technical Field
The invention relates to a groundwater water body quality detection device in the field of water quality detection.
Background
The underground water quality detection of a specific area is a work key point for ensuring water quality safety, the temperature is an important index of water quality, the temperatures of water layers with different depths are different, when the water quality detection is carried out in the prior art, a common method is to salvage a water sample by using a container and then bring the water sample to a laboratory for detection, and the water temperature detection is to additionally send a water temperature detection sensor (usually a thermistor sensor) to a sampling depth to obtain the water temperature of a corresponding sampling position, and then the water temperature detection result and a final water quality detection result of the laboratory are used for evaluating the water quality condition of the water layer with the corresponding height.
The existing water quality detection mode has the following problems: sampling and water temperature measurement of a corresponding water layer are not carried out simultaneously, and a water temperature detection sensor needs to be additionally lowered, so that the detection process is time-consuming and labor-consuming, and the lowering height of the water temperature detection sensor cannot be ensured to be completely consistent with the water quality sampling height, so that the final evaluation on the water quality can be influenced; in addition, during water quality sampling, one sampler can only sample water layer samples at one height generally, and when water quality sampling at a plurality of water layer heights is needed, a plurality of samplers are needed to be respectively put down, and then water temperature detection sensors are correspondingly and respectively put down, so that the water quality detection process is time-consuming and labor-consuming; the water pressure of groundwater can increase along with the water layer degree of depth increase, and when reaching deeper water layer, water pressure is very big, and this water pressure can lead to water temperature to detect sensor's measuring probe to warp, and influences water temperature and detect the precision of water temperature detection sensor.
Disclosure of Invention
The invention aims to provide a groundwater water body quality detection device which can simultaneously sample multiple water layers by once lowering and can measure the water temperature of the corresponding water layers.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a device for detecting the quality of underground water body comprises an outer shell and an inner shell, wherein a connecting ring used for being connected with a rope is arranged at the top of the outer shell, the outer shell comprises a first outer shell section, a second outer shell section and a third outer shell section which are sequentially arranged from top to bottom, the first outer shell section is of a circular cylinder structure, the second outer shell section and the third outer shell section are of a conical cylinder structure with a large top and a small bottom, the inner cavity of the inner shell is provided with at least two sampling piston cavity sections which are sequentially communicated from top to bottom, the upper sampling piston cavity section in the two adjacent sampling piston cavity sections is defined as an upper sampling piston cavity section, the lower sampling piston cavity section is a lower sampling piston cavity section, the diameter of the lower sampling piston cavity section is smaller than that of the upper sampling piston cavity section, a winding drum driven by a motor is arranged between the outer shell and the inner shell, and a circulating, the winding drum drives the circulating transmission belt to reciprocate, the circulating transmission belt comprises an inner side transmission belt part and an outer side transmission belt part, the inner side transmission belt part is coaxially arranged with each sampling piston cavity section, the outer side transmission belt part is positioned outside the sampling piston cavity sections, the periphery of the underground water temperature detection device is used for being matched with the upper side sampling piston cavity section in a sealing and guiding way, the periphery of the underground water temperature detection device is used for being matched with the lower side sampling piston cavity section in a sealing and guiding way, the middle part of the upper side piston plate and the lower side piston plate is provided with a transmission belt perforation hole for the inner side transmission belt part to pass through, the inner side transmission belt is matched with the transmission belt perforation hole in a sealing way, the friction force between the inner side transmission belt and the wall of the transmission belt perforation hole is larger than the friction force between the corresponding piston plate and the inner wall of the corresponding sampling piston, be provided with the gas vent on the inboard casing downside shrouding, be provided with the inlet channel who switches on with the upper end that corresponds sample piston chamber section respectively on shell body, the interior casing, inlet channel department is provided with the feed liquor check valve, is provided with one in the inboard drive belt and can follow the up-and-down direction through corresponding the fenestrate temperature-detecting probe of drive belt.
The transition joint of the outer sides of the first sleeve and the second sleeve and the transition joint of the outer sides of the second sleeve and the third sleeve are arc chamfers.
The inner shell is provided with four reversing pulleys for the circulating transmission belt to change around the warp, namely an upper left pulley, a lower left pulley, an upper right pulley and a lower right pulley, the upper left pulley is arranged at the upper end of a sealing plate on the upper side of the inner shell, the upper right pulley is arranged on the right side of the first sleeve, the lower left pulley is arranged at the lower end of the sealing plate on the lower side of the inner shell, and the lower right pulley is arranged on the third sleeve.
The cone angle of the second outer casing section is less than the cone angle of the third outer casing section, and the right lower pulley is located at the connecting position of the second outer casing section and the third outer casing section.
The invention has the beneficial effects that: the invention has the structural characteristics that a stepped sampling piston cavity section structure is adopted, and each piston plate is driven by a circulating transmission belt to move downwards, so that water quality sampling at multiple depths can be realized by one-time feeding, and meanwhile, the temperature detection of water quality sampled at corresponding depths can be realized by one temperature detection probe. For example, during working, the groundwater temperature detection device is firstly put down to a first sampling depth, the friction force between the circulating transmission belt and the upper piston plate is greater than the friction force between the upper piston plate and the cavity wall of the corresponding sampling piston cavity section, so that the circulating transmission belt can drive the upper piston plate to move downwards, after the upper piston plate crosses the liquid inlet channel of the upper sampling piston cavity section, the upper side of the upper piston plate forms negative pressure, a water sample with the corresponding depth is sucked into the sampling piston cavity section on the upper side of the upper piston plate, and the temperature detection probe on the upper side of the upper piston plate can detect the liquid temperature in the upper sampling piston cavity section, so that the sampling of the same water layer depth is realized, and meanwhile, the temperature measurement is realized, and the liquid pressure on the temperature detection probe on the transmission belt is balanced with the liquid pressure on the transmission belt; after sampling and temperature measurement are finished, the circulating transmission belt stops rotating, the local sewage water temperature detection device is continuously lowered to another depth, the circulating transmission belt continuously rotates, the upper side piston plate is stopped between the upper side sampling piston cavity section and the lower side sampling piston cavity section at the moment, the circulating transmission belt drives the lower side piston plate to move in the lower side sampling piston cavity section, the temperature detection probe also moves from the upper side sampling piston cavity section to the lower side sampling piston cavity section under the driving of the circulating transmission belt, thereby realizing new liquid sampling and temperature measurement, namely the invention can realize that the water body is respectively sampled at the heights of a plurality of water layers by one-time throwing, meanwhile, the water temperature measurement of a plurality of sampling positions can be realized by using one temperature detection probe, the number of the temperature detection probes is small, the product cost is reduced, and the efficiency and the accuracy of water quality detection are improved.
Drawings
FIG. 1 is a schematic block diagram of one embodiment of the present invention;
FIG. 2 is a schematic view of the first sampling piston chamber section being pumped;
FIG. 3 is a schematic view of the second sampling piston chamber section during pumping;
FIG. 4 is a schematic view of the third sampling piston chamber section being pumped;
FIG. 5 is a schematic view of the temperature sensing probe of the present invention engaged with an endless belt;
fig. 6 is a schematic view of fig. 1 with the outer case removed.
Detailed Description
The embodiment of the underground water body quality detection device is shown in figures 1-6: the sampling piston comprises an outer shell 11 and an inner shell 38, wherein the inner shell 38 comprises three sleeves which are sequentially arranged from top to bottom, the diameter of the sleeve which is positioned at the lower part of each two adjacent sleeves is smaller than that of the sleeve which is positioned at the upper part of each two adjacent sleeves, the outer diameter of the sleeve which is positioned at the lower part of each two adjacent sleeves is smaller than that of the sleeve which is positioned at the upper part of each two adjacent sleeves, and inner. The upper end and the lower end of the inner cavity of the inner shell are respectively provided with an inner shell upper side sealing plate 17 and an inner shell lower side sealing plate 2. The lower side sealing plate of the inner shell is provided with an exhaust port 1, and the exhaust port is of an exhaust channel structure which is vertically arranged.
For more convenient description, the three sleeves are respectively named as a first sleeve 8, a second sleeve 5 and a third sleeve 3 from top to bottom, the three sampling piston cavity sections are sequentially named as a first sampling piston cavity section 7, a second sampling piston cavity section 6 and a third sampling piston cavity section 4 from top to bottom, the groundwater water temperature detection device further comprises a piston plate, the periphery of which is used for being in sealing sliding fit with the corresponding sampling piston cavity section, in the embodiment, the piston plate used for being in sealing sliding fit with the first sampling piston cavity section is named as a first piston plate 21, the second piston plate used for being in sealing sliding fit with the second sampling piston cavity section is named as a second piston plate 22, and the third piston plate 23 used for being in sealing sliding fit with the third piston cavity section. The outer shell 11 and the inner shell 38 are provided with liquid inlet channels which are respectively communicated with the upper ends of the corresponding sampling piston cavity sections, the liquid inlet channel connected with the first sampling piston cavity section is called a first liquid inlet channel 10, the liquid inlet channel connected with the second sampling piston cavity section is called a second liquid inlet channel 13, the liquid inlet channel connected with the third sampling piston cavity section is called a third liquid inlet channel 15, all the liquid inlet channels are horizontally arranged, and liquid inlet one-way valves are arranged on all the liquid inlet channels.
A winding drum 29 driven by a motor is arranged between the outer shell and the inner shell, a circulating transmission belt is wound on the winding drum 29 and drives the circulating transmission belt to reciprocate, and the circulating transmission belt comprises an inner side transmission belt part 24 coaxially arranged with each sampling piston cavity section and an outer side transmission belt part 25 positioned outside the sampling piston cavity section. Be provided with four switching-over pulleys that supply circulation drive belt to wind through the switching-over on the interior casing, be left upper pulley 19, left lower pulley, upper right pulley 20 and right lower pulley 31 respectively, left upper pulley 19 sets up in 17 upper ends on the interior casing upside shrouding, and upper right pulley 20 sets up in 8 right sides of first sleeve, and left lower pulley sets up in 2 lower extremes of interior casing downside shrouding, and right lower pulley 31 sets up on third sleeve 3.
Motor and reel 29 are fixed in third sleeve 3 periphery, and the transition junction department of first sleeve 8 and second sleeve 5, the transition junction department of second sleeve and third sleeve are arc chamfer 39, can avoid fish tail circulation drive belt like this, can also make the shared space of reduction outside drive belt part as far as possible simultaneously, outside drive belt can be close to interior casing setting as far as possible, like fig. 1, the outside drive belt part on right side includes the slope part 26 of upside and the vertical part of downside, because of the reason of arc chamfer, therefore the space that slope part and interior casing occupy jointly is less.
The inner side transmission belt is internally provided with a temperature detection probe 30 which can pass through a corresponding transmission belt in the up-down direction, the circulating transmission belt comprises a central reinforcing rib 35 and a rubber layer 34 wrapped on the periphery of the central reinforcing rib, a mounting groove is formed in the rubber layer 34, the temperature detection probe is a thermistor 30 arranged in the mounting groove, a heat-conducting silica gel 37 is arranged on the outer side of the thermistor in the mounting groove, and an inner sealing conducting wire 36 connected with the thermistor is arranged in the rubber layer. The inner wall of the outer shell is fixed with a power supply 27 and a controller, and the power supply and the controller are connected with the motor and the inner sealing conducting wire through a flexible conducting wire 28.
The outer shell comprises a first outer shell section 12, a second outer shell section 14 and a third outer shell section 16 which are sequentially arranged from top to bottom, the first outer shell section 12 is of a circular tube structure, the second outer shell section 14 and the third outer shell section 16 are of tapered tube structures with large upper parts and small lower parts, the taper angle of the second outer shell section 14 is smaller than that of the third outer shell section 16, the right lower pulley 31 is located at the connecting position of the second outer shell section 14 and the third outer shell section 16, the taper angles are inconsistent, so that the second outer shell section is a position where the right lower pulley is far away, and the right lower pulley 31 is guaranteed to have a large enough installation space. Be provided with balancing weight 32 in the third shell body section, be favorable to groundwater temperature detection device to transfer smoothly like this. The upper ends of the inner shell and the outer shell are fixed on a shell end plate 9, and the upper end of the shell end plate is provided with a connecting ring 18 used for being connected with a rope.
The groundwater temperature detection device in the embodiment can realize sampling and water temperature measurement of three water layer depths, when in use, the groundwater temperature detection device is placed to the first water layer depth through the rope, then the circulating transmission belt drives the first piston plate 21, the second piston plate 22 and the third piston 23 plate to move downwards simultaneously, as shown in fig. 2, when the first piston plate 21 passes through the first liquid inlet channel 10, the water layer with the corresponding depth is sucked into the first sampling piston cavity section 7, at this time, the temperature detection probe 30 positioned on the upper side of the first piston plate detects the temperature of the liquid in the first sampling piston cavity section, meanwhile, as the inner side transmission belt part 24 is positioned at the central position of the first sleeve, the water pressures around the temperature detection probe are mutually offset, the temperature detection probe is prevented from being deformed by the water pressure, thereby ensuring the measurement result, the bottom of the first piston plate is contacted with the second sleeve, after the sampling of the first sampling piston cavity section is finished, the circulating transmission belt stops working; then the groundwater temperature detecting device is put down to a second depth, the circulating transmission belt continues to act, at this time, the first piston plate 21 is stopped by the second sleeve 5 and can not continue to move downwards, the second piston plate 22 performs piston motion in the second sleeve 5, the water liquid corresponding to the depth of the water layer is thickened into the cavity section of the second sampling piston, the temperature sensing probe 30 now passes over the first piston plate 21 to allow temperature measurement of the liquid in the second sampling piston chamber section, thus, the temperature detection probes can respectively measure the temperature of the liquid in the cavity sections of the sampling pistons, the number of the temperature detection probes is less, the product cost is reduced, the product structure is simplified, the operation is greatly simplified, because the temperature detection probe needs to be calibrated in advance when in use, only one temperature detection probe is used, which means that only one time of calibration is needed, and the working efficiency is greatly improved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (4)
1. The utility model provides an underground water body quality detection device which characterized in that: the sampling device comprises an outer shell and an inner shell, wherein a connecting ring used for being connected with a rope is arranged at the top of the outer shell, the outer shell comprises a first outer shell section, a second outer shell section and a third outer shell section which are sequentially arranged from top to bottom, the first outer shell section is of a circular cylinder structure, the second outer shell section and the third outer shell section are of conical cylinder structures with large top and small bottom, the inner cavity of the inner shell is provided with at least two sampling piston cavity sections which are sequentially communicated from top to bottom, the sampling piston cavity section which is positioned on the upper side of the two adjacent sampling piston cavity sections is defined as an upper side sampling piston cavity section, the sampling piston cavity section which is positioned on the lower side is a lower side sampling piston cavity section, the diameter of the lower side sampling piston cavity section is smaller than that of the upper side sampling piston cavity section, a winding drum driven by a motor is arranged between the outer shell and, the circulating transmission belt comprises an inner side transmission belt part and an outer side transmission belt part, wherein the inner side transmission belt part is coaxially arranged with each sampling piston cavity section, the outer side transmission belt part is positioned outside the sampling piston cavity sections, the periphery of the upper side piston plate is used for being matched with the upper side sampling piston cavity section in a sealing and guiding manner, the periphery of the lower side piston plate is used for being matched with the lower side sampling piston cavity section in a sealing and guiding manner, the middle parts of the upper side piston plate and the lower side piston plate are provided with transmission belt through holes for the inner side transmission belt part to pass through, the inner side transmission belt is matched with the transmission belt through holes in a sealing manner, the friction force between the inner side transmission belt and the transmission belt through hole wall is larger than the friction force between the corresponding piston plate and the inner wall of the corresponding sampling piston cavity section, the upper end and the, be provided with the gas vent on the inboard casing downside shrouding, be provided with the inlet channel who switches on with the upper end that corresponds sample piston chamber section respectively on shell body, the interior casing, inlet channel department is provided with the feed liquor check valve, is provided with one in the inboard drive belt and can follow the up-and-down direction through corresponding the fenestrate temperature-detecting probe of drive belt.
2. A groundwater water body quality detection apparatus according to claim 1, wherein: the transition joint of the outer sides of the first sleeve and the second sleeve and the transition joint of the outer sides of the second sleeve and the third sleeve are arc chamfers.
3. A groundwater water body quality detection apparatus according to claim 1, wherein: the inner shell is provided with four reversing pulleys for the circulating transmission belt to change around the warp, namely an upper left pulley, a lower left pulley, an upper right pulley and a lower right pulley, the upper left pulley is arranged at the upper end of a sealing plate on the upper side of the inner shell, the upper right pulley is arranged on the right side of the first sleeve, the lower left pulley is arranged at the lower end of the sealing plate on the lower side of the inner shell, and the lower right pulley is arranged on the third sleeve.
4. A groundwater body quality detection apparatus according to claim 3, wherein: the cone angle of the second outer casing section is less than the cone angle of the third outer casing section, and the right lower pulley is located at the connecting position of the second outer casing section and the third outer casing section.
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| CN202110055471.2A CN112649110B (en) | 2021-01-15 | 2021-01-15 | Groundwater water quality detection device |
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| CN202110055471.2A CN112649110B (en) | 2021-01-15 | 2021-01-15 | Groundwater water quality detection device |
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| CN112649110B (en) | 2023-08-15 |
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