CN109612783B - Electroless water quality timing sampling device - Google Patents
Electroless water quality timing sampling device Download PDFInfo
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- CN109612783B CN109612783B CN201910101464.4A CN201910101464A CN109612783B CN 109612783 B CN109612783 B CN 109612783B CN 201910101464 A CN201910101464 A CN 201910101464A CN 109612783 B CN109612783 B CN 109612783B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 142
- 238000005070 sampling Methods 0.000 title claims abstract description 58
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000005192 partition Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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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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- Hydrology & Water Resources (AREA)
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- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to an electroless water quality timing sampling device, which effectively solves the problems that the existing electronic sampling equipment is easy to damage by water inflow and the function of mechanical sampling equipment is incomplete; the water pump comprises a fixed block, wherein shaft holes are formed in the fixed block, a plurality of through holes communicated with the shaft holes are uniformly distributed on the circumference of the side wall of the fixed block, a sampling bottle is arranged at the outer hole of each through hole, a rotating shaft is installed in each shaft hole, a water inlet channel is formed in each rotating shaft, the rotating shafts rotate to enable the water inlet channels to be sequentially communicated with the through holes, a horizontal roller is arranged above the fixed block and can drive the rotating shafts to rotate, the roller is divided into three fan-shaped cavities, a liquid inlet and a liquid outlet are formed in each cavity, a water tank is arranged above each roller, a water outlet hole is formed in the bottom of the water tank, and the water pump also comprises an impeller, and the impeller is; the device can adjust the interval duration at will and can work continuously for a long time.
Description
Technical Field
The invention relates to the field of water sampling, in particular to an electroless water quality timing sampling device.
Background
The monitoring of the river water quality is a measure for protecting water resources, and the monitoring of the river water quality is a long-time work; in order to understand the change of the river water quality and analyze the factors influencing the change of the river water quality, the river water body needs to be sampled at regular intervals sometimes; the conventional river water quality timing sampling mainly comprises two modes of manual sampling and automatic sampling, the manual sampling occupies manpower, and the efficiency is low; the existing automatic timing sampling devices are mostly electronic timing equipment, timing is carried out through an electronic timer, and a power source of a switching sampling bottle adopts a power source, because the devices are used in a water environment, electronic elements and the power source are easy to be affected with damp or damaged by water inflow, the water inflow risk of a static water body is easy to control, but for a flowing water body, particularly a flowing water body with high flow rate and large waves, under the action of strong impact and splashing of water flow, the water inflow risk is higher, the risk cannot be completely eliminated even if a waterproof facility is additionally arranged, and river sampling is mostly positioned in the field, and once the device is damaged, timely maintenance cannot be carried out, even the river sampling cannot be found in time; although some mechanical timing sampling devices exist, the mechanical timing sampling devices are all used for timing by adopting reduction transmission devices such as gears and the like, and a spring and the like are used as power sources, so that the timing duration of the devices is limited, the structure is complicated, and multi-stage complex transmission is needed for realizing a long timing interval; in addition, sampling sometimes needs to be carried out in one day, sampling sometimes needs to be carried out within a period of several days, sampling interval change is large, the adjustment interval of the existing mechanical timing device is very inconvenient, time cannot be adjusted randomly, and energy storage elements such as a clockwork spring cannot work continuously.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the electroless water quality timing sampling device, which effectively solves the problems that the existing electronic sampling equipment is easy to damage by water inflow and the function of the mechanical sampling equipment is incomplete.
The technical scheme for solving the problem is that the electroless water quality timing sampling device comprises a fixed block, wherein a vertical shaft hole is formed in the fixed block, a plurality of horizontal through holes with inner ends communicated with the shaft hole are uniformly distributed on the circumference of the side wall of the fixed block, a sampling bottle is arranged at the outer hole opening of each through hole, and the bottle opening of each sampling bottle is aligned to and tightly pressed against the outer hole opening of the through hole; a rotating shaft attached to the rotating shaft is installed in the shaft hole, a circumferential arc-shaped groove is formed in the lower end of the side wall of the rotating shaft, the length of the arc-shaped groove is smaller than the distance between the orifices in the through holes, the rotating shaft rotates to enable the arc-shaped groove to be sequentially communicated with the through holes, a lower orifice is formed in the rotating shaft and communicated with the bottom of the arc-shaped groove, the upper end of the rotating shaft is located in a water inlet channel outside the shaft hole, and a first bevel gear is fixedly connected to the upper end; a horizontal roller is arranged above the fixed block, a hollow shaft with two ends extending out of the roller is fixed at the axis of the roller, a fixed shaft penetrates through the hollow shaft, a radial fixture block is installed on the side wall of one end of the hollow shaft, three positioning grooves are uniformly distributed on the circumference of the corresponding position on the fixed shaft, and a second bevel gear meshed with the first bevel gear is installed at the other end of the hollow shaft; the hollow shaft is provided with three partition plates which divide the roller into three fan-shaped chambers, the fan-shaped angle which each chamber corresponds to is recorded as 0 to 120 degrees along the clockwise direction, the 0-degree position of the cambered surface of each chamber is provided with a liquid inlet, and the 60-degree position is provided with a liquid outlet; a water tank is arranged above the roller, the bottom of the water tank is provided with a water outlet hole, and when the liquid inlet on the cavity is rotated to the highest position, the liquid inlet is positioned right below the water outlet hole; the water tank is characterized by also comprising an impeller, wherein the impeller is connected with a miniature gear pump which can pump water into the water tank through a water pipe.
The device has no electrification and no water fear, can randomly adjust the interval time, and can continuously work for a long time.
Drawings
Fig. 1 is a front view of the present invention.
FIG. 2 is a front sectional view of the position of the fixing block when the arc-shaped groove is opposite to the through hole.
FIG. 3 is a top cross-sectional view of the position of the anchor as the arcuate slot is aligned with the through hole.
FIG. 4 is a top cross-sectional view of the position of the anchor with the arcuate slot between the two through holes.
FIG. 5 is a front cross-sectional view of the water tank and drum position.
Fig. 6 is an enlarged view of a portion B in fig. 5.
Fig. 7 is a front view of the drum position.
Fig. 8 is an enlarged view of a portion C in fig. 7.
The dashed lines in each figure represent the water surface position.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 to 8, the invention comprises a fixed block 1, wherein a vertical shaft hole 2 is formed on the fixed block 1, a plurality of horizontal through holes 3 with inner ends communicated with the shaft hole 2 are uniformly distributed on the circumference of the side wall of the fixed block 1, a sampling bottle 4 is arranged at the outer orifice of each through hole 3, and the bottle mouth of each sampling bottle 4 is aligned to and pressed against the outer orifice of the through hole 3; a rotating shaft 5 attached to the shaft hole 2 is installed in the shaft hole 2, a circumferential arc-shaped groove 6 is formed in the lower end of the side wall of the rotating shaft 5, the length of the arc-shaped groove 6 is smaller than the distance between the inner hole openings of the through holes 3, the rotating shaft 5 rotates to enable the arc-shaped groove 6 to be sequentially communicated with the through holes 3, a lower hole opening formed in the rotating shaft 5 is communicated with the bottom of the arc-shaped groove 6, a water inlet channel 7 is formed in the upper end of the rotating shaft 5 and located outside the shaft hole 2, and a first bevel gear 8 is fixedly connected; a horizontal roller 9 is arranged above the fixed block 1, a hollow shaft 10 with two ends extending out of the roller 9 is fixed at the axis of the roller 9, a fixed shaft 11 penetrates through the hollow shaft 10, a radial fixed block 12 is installed on the side wall of one end of the hollow shaft 10, three positioning grooves 13 are uniformly distributed on the circumference of the corresponding position on the fixed shaft 11, and a second bevel gear 14 meshed with the first bevel gear 8 is installed at the other end of the hollow shaft 10; the hollow shaft 10 is provided with three partition plates 15 which divide the roller 9 into three fan-shaped chambers, the fan-shaped angle of each chamber is marked as 0 to 120 degrees along the clockwise direction, a liquid inlet 16 is arranged at the 0-degree position of the cambered surface of each chamber, and a liquid outlet 17 is arranged at the 60-degree position of the cambered surface of each chamber; a water tank 18 is arranged above the roller 9, a water outlet hole 19 is formed at the bottom of the water tank 18, and when a liquid inlet 16 on the cavity is rotated to the highest position, the liquid inlet 16 is positioned right below the water outlet hole 19; also included is an impeller 20, the impeller 20 being connected to a miniature gear pump 22 which pumps water through a water line 21 into the water tank 18.
The device also comprises a horizontal fixing plate 23, and the fixing block 1, the water tank 18, the roller 9, the impeller 20 and the micro gear pump 22 are all arranged on the fixing plate 23.
A horizontal cylinder 24 is arranged outside the outer port of each through hole 3, the sampling bottle 4 is arranged in the cylinder 24, an end cover 25 is arranged at the outer end of each cylinder 24 in a rotating mode, and a first pressure spring 26 is arranged between each end cover 25 and the bottom of the sampling bottle 4.
In order to effectively seal the bottle mouth of the sampling bottle 4 and the outer ends of the through holes 3, a hollow first conical plug 27 with the small end facing outwards is fixed at the outer end of each through hole 3, the small end of the first conical plug 27 extends into the bottle mouth, and the bottle mouth and the outer wall of the first conical plug 27 are pressed tightly under the action of a first pressure spring 26.
The fixture block 12 is mounted in the following manner: a radial through hole 28 is formed in the side wall of the hollow shaft 10, a plug 29 is screwed at the outer end opening of the through hole 3, the fixture block 12 is installed in the radial through hole 28, and a second pressure spring 30 is installed between the fixture block 12 and the plug 29; the tightening force of the cartridge 12 can be adjusted by screwing the screw 29.
The water outlet hole 19 is a conical hole with a downward small end, a second conical plug 31 is arranged in the conical hole, a horizontal plate 32 positioned above the conical hole is arranged at the bottom of the water tank 18, a vertical bolt 33 is screwed on the horizontal plate 32, and the lower end of the bolt 33 is fixedly connected with the second conical plug 31; the height of the second conical plug 31 can be adjusted through the bolt 33, so that the size of a gap between the second conical plug 31 and the water outlet hole 19 is adjusted, and the water outlet speed of the water outlet hole 19 is adjusted.
The water tank 18 is a tank body with a sealed upper end, and the side wall of the water tank 18 is provided with an overflow hole 34; the upper end seal can prevent sundries from falling into the water tank 18 and can keep the water level in the water tank calm, and the overflow hole 34 can stabilize the water level in the water tank 18 at the same height.
When the device is used specifically, the device is placed at a flowing water body to be sampled, the fixing plate 23 is fixed on a riverbed or a water bank through the supporting legs or the fixing plate is fixed on the riverbed or the water bank, the fixing block 1, the plurality of sampling bottles 4 and the upper ports of the water inlet channel 7 are all positioned below the water surface, the lower part of the impeller 20 is also positioned below the water surface, the roller 9 and the water tank 18 are positioned above the water surface, meanwhile, the water tank 18 is filled with water, and the height of the water surface is at the position of the overflow hole 34.
For convenience of description of the operation of the apparatus, the circumferential direction of the drum 9 is divided into three positions, one, two and three in sequence in the clockwise direction from the upper quadrant point of the side wall of the drum 9, each position spanning 120 degrees.
In an initial state, the arc-shaped groove 6 is positioned in the interval between the inner orifices of the two through holes 3 and is not communicated with any through hole 3, at the moment, the inner end of each through hole 3 is sealed, and water cannot enter each sampling bottle 4; one of the cavities of the roller 9 is located at a position, the liquid inlet 16 of the cavity is located right below the water outlet hole 19, and the clamping block 12 is clamped in one of the positioning grooves 13 at the moment.
After the device is placed, water in the water tank 18 flows into a cavity at one position through the water outlet hole 19 and the liquid inlet hole, meanwhile, the impeller 20 drives the micro gear pump 22 to rotate under the pushing of water flow, the micro gear pump 22 pumps the water into the water tank 18, and redundant water flows out from the overflow hole 34, so that the water surface in the water tank 18 is always kept stable at the position of the overflow hole 34, the water pressure in the water tank 18 is constant, and the water outlet speed of the water outlet hole 19 is constant; the gravity of the water in the cavity at one position can generate a clockwise torque to the roller 9, the torque is larger and larger along with the increasing of the water amount in the cavity, when the torque reaches the sum of the maximum torque which can be generated by the clamping force provided by the fixture block 12 and the positioning groove 13 for the roller 9 and the rotating resistance of the rotating shaft 5, the roller 9 can rotate clockwise, the fixture block 12 is extruded out of the positioning groove 13, after the roller 9 rotates for 120 degrees, the cavity containing the water rotates to a two position, the roller 9 stops rotating at a balanced position, meanwhile, the cavities at the three positions rotate to a position, and the fixture block 12 is clamped in the next positioning groove 13; in the rotation process of the roller 9, the rotating shaft 5 is driven to rotate by the first bevel gear 8 and the second bevel gear 14, and the angle of each rotation of the rotating shaft 5 is equal to the included angle between the inner ends of two adjacent through holes 3; in the rotating process of the rotating shaft 5, the rotating shaft 5 rotates to the next interval from one interval, in the process, the arc-shaped groove 6 passes through the through hole 3, the arc-shaped groove 6 and the through hole 3 relatively enable the through hole 3 to be communicated with the water inlet through hole 3, at the moment, river water enters the sampling bottle 4 through the water inlet channel 7, the arc-shaped groove 6, the through hole 3 and the hollow first conical plug 27, when the arc-shaped groove 6 rotates to the next interval of the through hole 3, the communicated through hole 3 is sealed again, and at the moment, each sampling bottle 4 is in a sealed state.
After the drum 9 rotates 120, the chamber containing water is located at two positions, at this time, the liquid outlet 17 of the chamber is located at the bottommost position, and the water in the chamber is discharged through the liquid outlet 17; when the water amount in the cavity at one position reaches a certain amount again, the roller 9 rotates 120 degrees again, the turntable rotates once again, and the next sampling bottle 4 is opened for sampling and then closed in the process; because the surface of water in the water tank 18 is invariable, the size of apopore 19 is invariable, therefore the velocity of water is invariable, and the time interval between the every two rotations of cylinder 9 is invariable to this realizes the rotation of the timing of pivot 5, and the sampling bottle 4 is regularly sampled.
It should be noted that the maximum water level collected in each chamber at a time should be lower than the position of the liquid outlet 17.
When the sampling interval needs to be adjusted, two methods can be adopted, the first method is to adjust the height of the second conical plug 31 through the bolt 33, the gap between the second conical plug 31 and the water outlet hole 19 is enlarged by upward adjustment, the water outlet speed is increased, the time interval of rotation of the roller 9 is reduced, the sampling time interval is reduced, the gap between the second conical plug 31 and the water outlet hole 19 is reduced by downward adjustment, the water outlet speed is reduced, the time interval of rotation of the roller 9 is increased, and the sampling time interval is increased; the second method is that the screw plug 29 is used for adjusting the pretightening force of the second pressure spring 30 so as to adjust the clamping force of the fixture block 12, the screw plug 29 is screwed inwards, the pretightening force of the second pressure spring 30 is increased, the clamping force of the fixture block 12 is increased, and more water rollers 9 need to be collected in a cavity at one position to rotate, so that the time interval of the rotation of the time rollers 9 is increased, and the time interval of sampling is increased; if the screw plug 29 is screwed outwards, the pretightening force of the second pressure spring 30 is reduced, the clamping force of the clamping block 12 is reduced, and the roller 9 can rotate by collecting less water in the chamber at one position, so that the time interval of the rotation of the roller 9 is reduced, and the time interval of sampling is reduced. The above two structures and methods may be used either singly or in combination.
The invention utilizes the impact force of water flow to pump water into the water tank 18 through the impeller 20, converts the kinetic energy of the water flow into potential energy, converts the potential energy into the kinetic energy of the roller 9 to drive the rotating shaft 5 to rotate for sampling at intervals, replaces a power supply or an energy storage element, can continuously provide power, has no risk of water inlet damage, and is extremely suitable for water environment; timing is carried out through the water flow speed, the timing can be continuously and uninterruptedly carried out as long as the water flow is not stopped, and the working time is not limited at all; in addition, the timing time interval can be adjusted in any stepless mode by adjusting the water flowing speed in the water tank 18 or adjusting the clamping force of the clamping block 12, and the adjusting structure is simple and reliable and is very convenient to adjust.
In conclusion, the timing sampling device is a timing sampling device which is used for a flowing water body, is free of electrification and water fear, can adjust the interval duration at will and can work continuously for a long time.
Claims (7)
1. An electroless water quality timing sampling device comprises a fixed block (1), and is characterized in that the fixed block (1) is provided with a vertical shaft hole (2), the side wall of the fixed block (1) is circumferentially and uniformly provided with a plurality of horizontal through holes (3) with inner ends communicated with the shaft hole (2), the outer orifice of each through hole (3) is provided with a sampling bottle (4), and the orifices of the sampling bottles (4) are aligned with and pressed tightly against the outer orifices of the through holes (3); a rotating shaft (5) attached to the rotating shaft is installed in the shaft hole (2), a circumferential arc-shaped groove (6) is formed in the lower end of the side wall of the rotating shaft (5), the length of the arc-shaped groove (6) is smaller than the distance between the inner hole openings of the through holes (3), the rotating shaft (5) rotates to enable the arc-shaped groove (6) to be sequentially communicated with the through holes (3), a lower hole opening formed in the rotating shaft (5) is communicated with the bottom of the arc-shaped groove (6), a water inlet channel (7) is formed in the upper end of the rotating shaft (5) and located outside the shaft hole (2), and a first bevel gear (8) is fixedly connected to the upper end; a horizontal roller (9) is arranged above the fixed block (1), a hollow shaft (10) with two ends extending out of the roller (9) is fixed at the axis of the roller (9), a fixed shaft (11) penetrates through the hollow shaft (10), a radial clamping block (12) is installed on the side wall of one end of the hollow shaft (10), three positioning grooves (13) are uniformly distributed on the corresponding position circumference of the fixed shaft (11), and a second bevel gear (14) meshed with the first bevel gear (8) is installed at the other end of the hollow shaft (10); the hollow shaft (10) is provided with three partition plates (15) which divide the roller (9) into three fan-shaped chambers, the fan-shaped angle of each chamber is marked as 0-120 degrees along the clockwise direction, a liquid inlet (16) is arranged at the 0-degree position of the cambered surface of each chamber, and a liquid outlet (17) is arranged at the 60-degree position; a water tank (18) is arranged above the roller (9), a water outlet hole (19) is formed in the bottom of the water tank (18), and when a liquid inlet (16) in the cavity rotates to the highest position, the liquid inlet (16) is positioned right below the water outlet hole (19); the water pump also comprises an impeller (20), wherein the impeller (20) is connected with a miniature gear pump (22) which can pump water into the water tank (18) through a water pipe (21).
2. The electroless water quality timing sampling device according to claim 1, further comprising a horizontal fixing plate (23), wherein the fixing block (1), the water tank (18), the drum (9), the impeller (20) and the micro gear pump (22) are all mounted on the fixing plate (23).
3. The electroless water quality timing sampling device according to claim 1, wherein a horizontal cylinder (24) is arranged outside the outer port of each through hole (3), the sampling bottle (4) is arranged in the cylinder (24), an end cover (25) is arranged at the outer end of each cylinder (24) in a rotating manner, and a first pressure spring (26) is arranged between each end cover (25) and the bottom of the sampling bottle (4).
4. The electroless water quality timing sampling device according to claim 1, wherein a hollow first conical plug (27) with the small end facing outwards is fixed at the outer end of each through hole (3), the small end of the first conical plug (27) extends into the bottle mouth, and the bottle mouth is pressed against the outer wall of the first conical plug (27) under the action of the first pressure spring (26).
5. The electroless water quality timing sampling device according to claim 1, wherein the fixture block (12) is mounted in a manner that: a radial through hole (28) is formed in the side wall of the hollow shaft (10), a plug (29) is screwed at the outer end opening of the through hole (3), a clamping block (12) is installed in the radial through hole (28), and a second pressure spring (30) is installed between the clamping block (12) and the plug (29).
6. The electroless water quality timing sampling device according to claim 1, wherein the water outlet hole (19) is a conical hole with a downward small end, a second conical plug (31) is arranged in the conical hole, a horizontal plate (32) positioned above the conical hole is arranged at the bottom of the water tank (18), a vertical bolt (33) is screwed on the horizontal plate (32), and the lower end of the bolt (33) is fixedly connected with the second conical plug (31).
7. The electroless water quality timing sampling device as recited in claim 1, wherein the water tank (18) is a box body with a sealed upper end, and an overflow hole (34) is formed on the side wall of the water tank (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910101464.4A CN109612783B (en) | 2019-01-31 | 2019-01-31 | Electroless water quality timing sampling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910101464.4A CN109612783B (en) | 2019-01-31 | 2019-01-31 | Electroless water quality timing sampling device |
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| CN109612783A CN109612783A (en) | 2019-04-12 |
| CN109612783B true CN109612783B (en) | 2021-05-07 |
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| CN201910101464.4A Active CN109612783B (en) | 2019-01-31 | 2019-01-31 | Electroless water quality timing sampling device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112255019B (en) * | 2020-10-15 | 2024-06-21 | 邬春杨 | Environment-friendly industrial wastewater quick sampling device |
| CN113640058B (en) * | 2021-09-02 | 2023-12-22 | 三峡智慧水务科技有限公司 | Sampling device capable of achieving fixed-point multiple sampling for urban pipeline water quality detection |
| CN114088470B (en) * | 2021-11-18 | 2022-11-22 | 河南农业大学 | Water pollution monitoring sampling device |
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| CN108663237A (en) * | 2018-08-13 | 2018-10-16 | 王锦霞 | A kind of automatic sampling device for discharge outlet water quality monitoring |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130142849A (en) * | 2012-06-20 | 2013-12-30 | 주식회사 우리소재 | Pollution water sample gathering system |
| CN204422270U (en) * | 2015-03-22 | 2015-06-24 | 广东梅雁吉祥水电股份有限公司 | A kind of river sequential sampler |
| CN205426573U (en) * | 2016-03-24 | 2016-08-03 | 王靖 | Environmental protection water sampling instrument |
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