CN108181134B

CN108181134B - Rainfall runoff sampler

Info

Publication number: CN108181134B
Application number: CN201810175202.8A
Authority: CN
Inventors: 何霜; 梁新强; 王志荣; 黄武; 赵子熠; 孙涛; 刘枫
Original assignee: Zhejiang Hengmei Environmental Protection Technology Co ltd
Current assignee: Zhejiang Hengmei Environmental Protection Technology Co ltd
Priority date: 2018-03-02
Filing date: 2018-03-02
Publication date: 2023-09-08
Anticipated expiration: 2038-03-02
Also published as: CN108181134A

Abstract

The invention relates to a rainfall runoff sampler, a water outlet of the rainfall runoff sampler extends downwards to form a water outlet channel penetrating through an upper liquid discharge channel and extending into a sampling chamber, the rainfall runoff sampler is provided with a transmission connecting piece which is accommodated in the upper liquid discharge channel and can drive a spray head to rotate relative to a liquid storage chamber, a diversion device which is convenient for water flow to act on the transmission connecting piece and drive the spray head to rotate is further arranged in the upper liquid discharge channel, under the condition of no electric drive, potential energy of water is converted into kinetic energy for spraying water to rotate simultaneously, collected water samples can be uniformly sprayed into a plurality of sampling bottles, meanwhile, a water inlet, a water outlet, an electromagnetic valve and a sensor are mutually matched to discharge suspended matters and sediments in liquid in a target water area out of a water tank, the collected water samples are ensured to be pure and are not interfered by other factors, the arrangement of a solar cell panel can ensure that an external power supply is not needed, and the stored electric energy of the solar cell panel is used for working of various electric elements.

Description

Rainfall runoff sampler

Technical Field

The invention relates to the field of water sample collectors, in particular to a rainfall runoff sampler.

Background

The sampling work of storm runoff generally needs to be carried out in the field, the sampling condition is more difficult, the current sampler is mostly electric drive, the internal power supply of the sampler is realized through long-distance setting up power line, so as to drive the water pump and the stepping motor used for sampling to work, but in many cases, the setting up position of sampling point is far away from population gathering place, setting up power line is very inconvenient, meanwhile, long-distance cable can cause unstable voltage and electric energy loss, in such cases, portable small-sized sampler appears, for example, chinese patent application number CN201710742523.7 (publication number CN107389379 a) discloses a portable device for urban drainage pipe network water sample collection, the device comprises a power module, a collecting module and a sampling head module, wherein the power module is connected with the collecting module through a pipeline, and the sampling head module is connected with the collecting module through a pipeline, so as to realize sampling work. However, the portable sampler is also limited, the portable sampler usually needs manual operation, under severe weather conditions, the safety of sampling personnel cannot be guaranteed, the portable sampler is extremely small in sampling amount each time and can not meet the requirement of experimental detection in many cases, and secondly, the conventional sampler can only collect one bottle at a time when collecting a large amount of water, and when a large amount of water is required to be collected, the action of repeatedly filling water into different sampling bottles needs to be taken for many times, so that once rainfall is short in time, the problem that the collected sample cannot accurately reflect water quality can be caused.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art, and provides the rainfall runoff sampler which is energy-saving and environment-friendly, does not need an external power supply, can finish sampling of a plurality of sampling bottles at one time and can uniformly spray.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a rainfall runoff sampler, includes sampling chamber, high-level water tank, water pump and solar cell panel, the high-level water tank is located the sampling chamber top, the lateral wall of high-level water tank has set gradually water inlet, upper liquid discharge port and the deposit liquid discharge port of intercommunication target waters from top to bottom, be provided with a delivery port between upper liquid discharge port and the deposit liquid discharge port, upper liquid discharge port passes through upper liquid discharge channel intercommunication target waters, the delivery port downwardly extending has one to run through upper liquid discharge channel and stretch into the water outlet channel of sampling chamber, the water outlet channel includes upper portion intercommunication liquid storage chamber, lower part shower nozzle of delivery port and be located drive connecting piece between liquid storage chamber and the shower nozzle, drive connecting piece holding in upper liquid discharge channel and can drive the shower nozzle for the liquid storage chamber rotates, still be provided with in the upper liquid discharge channel and be convenient for rivers are acted on the drive connecting piece and drive shower nozzle pivoted guiding device.

In order to realize the rotation of the spray head relative to the liquid storage chamber and complete the spraying action, preferably, the transmission connecting piece comprises a connecting sleeve sleeved on the upper part of the spray head and a plurality of blades arranged on the peripheral wall of the connecting sleeve, and the blades can drive the transmission connecting piece to drive the spray head to rotate under the action of water flow.

In order to ensure that the high-position water flow potential energy is converted into the kinetic energy of the rotation of the spray head, preferably, the upper liquid discharge channel comprises a vertical part and a horizontal part, the transmission connecting piece is positioned at the head end of the horizontal part, and the front end of the transmission connecting piece is provided with the flow guiding device.

In order to guide water flow to the blades on one side of the spray head and enable the spray head to rotate clockwise or anticlockwise, preferably, the flow guiding device comprises a flow guiding plate and a movable plate connected with the free end of the flow guiding plate, the thickness of the free end of the flow guiding plate is larger than that of the fixed end, the movable plate is tangential to the peripheral wall of the connecting sleeve, and a spring for keeping the fit trend of the movable plate to the peripheral wall of the connecting sleeve is further arranged between the flow guiding plate and the movable plate.

Preferably, a sealing ring for forming a seal between the upper layer liquid discharge channel and the water outlet channel is also sleeved on the peripheral wall of the spray head.

In order to ensure that the floater smoothly moves up and down along with the water surface in the liquid storage chamber, preferably, the top of the liquid storage chamber is provided with a pressure sensor, the liquid storage chamber is also internally provided with a floater which can move up and down along with the liquid level in the water outlet channel and is matched with the pressure sensor, the floater is annular and is attached to the inner wall of the liquid storage chamber, a clamping part limiting the downward movement of the floater is arranged between the liquid storage chamber and the spray head, and a third electromagnetic valve for spacing the liquid storage chamber and the spray head is arranged below the clamping part.

In order to realize circumferential water jet of the spray head, preferably, a plurality of water spray ends are arranged on the peripheral wall of the spray head at intervals, and the caliber of the water spray ends gradually decreases outwards along the radial direction of the spray head.

For realizing the control to inflow and liquid level height, preferably still be provided with on the high-level tank lateral wall with the liquid level sensor that upper liquid discharge port lower surface is flush, be provided with first solenoid valve on the deposit liquid discharge port, water inlet department is provided with the second solenoid valve, first solenoid valve, second solenoid valve and third solenoid valve all are connected with pressure sensor electricity, the second solenoid valve is connected with liquid level sensor electricity.

In order to ensure the storage and supply of the electric energy, preferably, the water pump is arranged between the water inlet and the target water area, the top of the high-level water tank is provided with a rain sensor electrically connected with the water pump, and the solar panel is arranged at the top of the high-level water tank and is electrically connected with the first electromagnetic valve, the second electromagnetic valve, the liquid level sensor, the pressure sensor, the third electromagnetic valve, the rain sensor and the water pump respectively.

Preferably, the sampling chamber is provided with a sampling bottle support, the sampling bottle support is provided with a circular supporting table surface, the thickness of the supporting table surface gradually decreases from the circular edge to the circle center, a slow flow groove is formed in the circle center of the supporting table surface, the bottom of the slow flow groove is communicated with a residual liquid groove below through a drain pipe, and a plurality of trays which are matched with the supporting table surface and can horizontally place the sampling bottle are arranged on the supporting table surface at intervals.

Compared with the prior art, the invention has the advantages that: the water outlet of the rainfall runoff sampler downwards extends to form a water outlet channel penetrating through an upper liquid discharging channel and extending into a sampling chamber, the water outlet channel comprises a liquid storage chamber, a lower spray head and a transmission connecting piece, the upper liquid storage chamber is communicated with the water outlet, the transmission connecting piece is arranged in the upper liquid discharging channel and can drive the spray head to rotate relative to the liquid storage chamber, a flow guiding device which is convenient for water flow to act on the transmission connecting piece and drive the spray head to rotate is further arranged in the upper liquid discharging channel, potential energy of water can be converted into kinetic energy of spray water of the spray head under the condition of no electric drive, collected water samples can be uniformly sprayed into a plurality of sampling bottles through the rotating design, meanwhile, suspended matters and sediments in target water areas are discharged out of the water tank through the matching of electromagnetic valves and sensors, the collected water samples are guaranteed to be pure and are not interfered by other factors, the arrangement of a solar cell panel can also be guaranteed not to be externally connected, a standby power supply is also not required to be replaced, and the solar cell panel is required to be arranged inside to be driven through an electric energy storage element, and the electric energy pump is used for driving the water pump.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic view of the mating of the deflector and the drive connection of the present invention;

fig. 3 is a schematic diagram showing the cooperation of the spray head and the liquid storage chamber at a in fig. 1.

Detailed Description

The invention is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 3, in the present embodiment, the rainfall runoff sampler includes a sampling chamber 2, a head tank 1, a water pump 3 and a solar panel 4, the head tank 1 is located above the sampling chamber 2, a water inlet 11 for communicating with a target water area, an upper liquid discharge port 12 and a sedimentary liquid discharge port 13 are sequentially provided on the side wall of the head tank 1 from top to bottom, a water outlet 14 is provided between the upper liquid discharge port 12 and the sedimentary liquid discharge port 13, and the upper liquid discharge port 12 communicates with the target water area through an upper liquid discharge channel 15.

In this embodiment, the water outlet 14 extends downward to form a water outlet channel 5 penetrating through the upper liquid discharge channel 15 and extending into the sampling chamber 2, the water outlet channel 5 includes a liquid storage chamber 51 with an upper portion communicating with the water outlet 14, a lower nozzle 52, and a transmission connecting member 16 located between the liquid storage chamber 51 and the nozzle 52, the transmission connecting member 16 is accommodated in the upper liquid discharge channel 15 and can drive the nozzle 52 to rotate relative to the liquid storage chamber 51, a deflector 17 is further disposed in the upper liquid discharge channel 15 and is convenient for water flow to act on the transmission connecting member 16 and drive the nozzle 52 to rotate, wherein the transmission connecting member 16 includes a connecting sleeve 161 sleeved on the upper portion of the nozzle 52 and a plurality of blades 162 disposed on an outer peripheral wall of the connecting sleeve 161, the blades 162 can drive the transmission connecting member 16 under the water flow to drive the nozzle 52 to rotate, the upper liquid discharge channel 15 in this embodiment includes a vertical portion 151 and a horizontal portion 152, the transmission connecting member 16 is located at a head end of the horizontal portion 152, a deflector 17 is further disposed at a front end of the transmission connecting member 16, the deflector 17 includes a deflector 171 and a deflector 172 connected to a deflector plate 171 and a deflector plate 172 at a free end of the deflector 172, and a deflector plate 172 is further disposed at a free end of the deflector 172 and a free end of the deflector plate 172 is in contact with the deflector 172, and a deflector plate 172 is disposed at a free end of the deflector plate 172 is disposed at the free end of the deflector plate 172, and has a free end of the deflector plate 172 is disposed at the deflector plate 172.

The top of the liquid storage chamber 51 is provided with a pressure sensor 511, the liquid storage chamber 51 is internally provided with a floater 53 which can move up and down along with the liquid level in the water outlet channel 5 and is matched with the pressure sensor 511, the floater 53 is annular and is attached to the inner wall of the liquid storage chamber 51, a clamping part 54 which limits the downward movement of the floater 53 is arranged between the liquid storage chamber 51 and the spray head 52, a third electromagnetic valve 55 which separates the liquid storage chamber 51 and the spray head 52 is arranged below the clamping part 54, the outer peripheral wall of the spray head 52 is provided with a plurality of water spraying ends 521 at intervals, the caliber of the water spraying ends 521 is gradually reduced from the radial direction along the spray head 52 to the outer peripheral wall of the spray head 52, and a sealing ring 18 which forms a seal between the upper liquid outlet channel 15 and the water outlet channel 5 is also sleeved on the outer peripheral wall of the spray head 52.

In this embodiment, the side wall of the head tank 1 is further provided with a liquid level sensor 7 flush with the lower surface of the upper liquid discharge outlet 12, the deposition liquid discharge outlet 13 is provided with a first electromagnetic valve 131, the water inlet 11 is provided with a second electromagnetic valve 111, the first electromagnetic valve 131, the second electromagnetic valve 111 and the third electromagnetic valve 55 are all electrically connected with the pressure sensor 511, the second electromagnetic valve 111 is electrically connected with the liquid level sensor 7, the water pump 3 is arranged between the water inlet 11 and the target water area, the top of the head tank 1 is provided with a rain sensor 6 electrically connected with the water pump 3, and the solar panel 4 is arranged at the top of the head tank 1 and is electrically connected with the first electromagnetic valve 131, the second electromagnetic valve 111, the liquid level sensor 7, the pressure sensor 511, the third electromagnetic valve 55, the rain sensor 6 and the water pump 3 respectively.

The sampling chamber 2 is internally provided with a sampling bottle support 8, the sampling bottle support 8 is provided with a circular supporting table top 81, the thickness of the supporting table top 81 is gradually reduced from the circular edge to the circle center, the circle center of the supporting table top 81 is provided with a slow flow groove 84, the bottom of the slow flow groove 84 is communicated with the lower residual liquid groove 21 through a drain pipe 82, and the supporting table top 81 is also provided with a plurality of trays 83 which are matched with the supporting table top 81 and can horizontally place the sampling bottle 9 at intervals.

When the rain comes, the rain sensor 6 arranged at the top of the high-level water tank 1 collects signals and sends the signals to the water pump 3 to enable the water pump 3 to work, water is supplied to the high-level water tank 1 from a target water area, at the moment, the first electromagnetic valve 131 and the second electromagnetic valve 111 are not connected, the sediment liquid outlet 13 and the water outlet 14 are closed, the high-level water tank 1 is gradually filled with water pumped by the water pump 3, the liquid level sensor 7 with the same height as the upper liquid outlet 12 is triggered at the same time, the water entering at the earlier stage is layered into upper suspension liquid after standing due to the fact that the water tank is filled with the water for a certain time, the sediment liquid and the clear liquid at the middle layer at the lower stage are discharged to the upper liquid outlet 15 through the upper liquid outlet 12, the liquid level sensor 7 sends the signals to the second electromagnetic valve 111 at the water outlet 14, the second electromagnetic valve 111 is opened, and the clear liquid at the middle layer flows into the water outlet 5 from the water outlet 14.

Since the liquid storage chamber 51 and the spray head 52 are separated by the third electromagnetic valve 55, the liquid storage chamber 51 is gradually filled with water flowing into the water outlet channel 5, when the water is not stored, the float 53 is positioned on the clamping part 54, in the water storage process, the height of the float 53 gradually rises along with the water flow, the water storage speed cannot be influenced due to the annular design of the float 53, when the liquid storage chamber 51 is fully filled with water, the float 53 is pressed against the pressure sensor 511 under the action of buoyancy, the pressure sensor 511 receives a signal, the second electromagnetic valve 111 at the water outlet 14 is closed, the third electromagnetic valve 55 between the liquid storage chamber 51 and the spray head 52 is opened, the first electromagnetic valve 131 at the sediment outlet 13 is opened, at the moment, redundant waste water of the water tank 1 is discharged back to a target water area through the sediment outlet 13 to avoid wasting resources, the water stored in the liquid storage chamber 51 falls to the spray head 52 along with the water inlet 521 with the gradually reduced caliber, the water inlet head 521 is sprayed out along with the increasing of the pressure in the depth, the water inlet head 1 is positioned at the high position, the water inlet head 521 is sprayed, the water column of the water inlet 521 falls into different ranges, the water inlet 9 is placed in the different ranges, the water inlet head 1 is sprayed at the lower pressure, the water inlet head 521 is sprayed the water outlet is at the lower distance, the water inlet bottle is more than the lower than the water outlet is more high.

In the above process, the water flow discharged from the upper liquid discharge port 12 to the upper liquid discharge channel 15 is accelerated by the vertical portion 151, flows to the horizontal portion 152, acts on the transmission connector 16 at the head end of the horizontal portion 152, and acts on the vane 162 at one side of the transmission connector 16 by the deflector 171 and the movable plate 172, so that the vane 162 drives the spray head 52 to rotate clockwise or anticlockwise relative to the liquid storage chamber 51, after the previous vane 162 rotates, the movable plate 172 is moved away from the spray head 52 by the vane 162, and at this time, under the dual actions of the water flow pressure and the spring 173, the movable plate 172 is closed towards the spray head 52 again, and acts on the next vane 162, so as to continuously push the spray head 52 to rotate relative to the liquid storage chamber 51.

Here, to ensure that each sampling bottle 9 is filled with water, the reservoir 51 has a volume V ₁ Greater than the total volume V of a plurality of sampling bottles 9 ₂ During the spraying process, the water sprayed onto the supporting table 81 is collected at the center of the supporting table 81 due to the design that the thickness of the supporting table 81 from the edge to the center of the circle is reduced, discharged through the drain pipe 82, and finally discharged to the target water area through the residual liquid discharge port 22. The slow flow groove 84 at the center of the supporting table 81 can prevent the water flow which is gathered together from impacting and overflowing.

Claims

1. The utility model provides a rainfall runoff sampler, includes sampling chamber (2), high-level water tank (1), water pump (3) and solar cell panel (4), high-level water tank (1) are located sampling chamber (2) top, the lateral wall of high-level water tank (1) has set gradually water inlet (11), upper liquid discharge port (12) and deposit liquid discharge port (13) in the intercommunication target waters from top to bottom, be provided with a delivery port (14) between upper liquid discharge port (12) and the deposit liquid discharge port (13), upper liquid discharge port (12) are through upper liquid discharge channel (15) intercommunication target waters, its characterized in that:

the water outlet (14) is downwards extended to form a water outlet channel (5) penetrating through the upper liquid discharge channel (15) and extending into the sampling chamber (2), the water outlet channel (5) comprises a liquid storage chamber (51) with the upper part communicated with the water outlet (14), a lower spray head (52) and a transmission connecting piece (16) positioned between the liquid storage chamber (51) and the spray head (52), the transmission connecting piece (16) is accommodated in the upper liquid discharge channel (15) and can drive the spray head (52) to rotate relative to the liquid storage chamber (51), and a flow guiding device (17) which is convenient for water flow to act on the transmission connecting piece (16) and drive the spray head (52) to rotate is further arranged in the upper liquid discharge channel (15);

the transmission connecting piece (16) comprises a connecting sleeve (161) sleeved on the upper part of the spray head (52) and a plurality of blades (162) arranged on the peripheral wall of the connecting sleeve (161), and the blades (162) can drive the transmission connecting piece (16) to drive the spray head (52) to rotate under the action of water flow;

the upper liquid discharge channel (15) comprises a vertical part (151) and a horizontal part (152), the transmission connecting piece (16) is positioned at the head end of the horizontal part (152), and the front end of the transmission connecting piece (16) is provided with the flow guiding device (17);

the flow guiding device (17) comprises a flow guiding plate (171) and a movable plate (172) connected to the free end of the flow guiding plate (171), the thickness of the free end of the flow guiding plate (171) is larger than that of the fixed end, the movable plate (172) is tangential to the peripheral wall of the connecting sleeve (161), and a spring (173) for keeping the bonding trend of the movable plate (172) to the peripheral wall of the connecting sleeve (161) is further arranged between the flow guiding plate (171) and the movable plate (172);

the utility model discloses a liquid storage device, including liquid storage room (51), liquid storage room (51) top is provided with a pressure sensor (511), still be provided with in liquid storage room (51) and follow the inside liquid level of water outlet channel (5) reciprocates and adapt float (53) of pressure sensor (511), float (53) are annular and laminate mutually with liquid storage room (51) inner wall, be provided with between liquid storage room (51) and shower nozzle (52) spacing joint portion (54) that float (53) moved downwards, joint portion (54) below is provided with third solenoid valve (55) of interval liquid storage room (51) and shower nozzle (52).

2. A rainfall runoff sampler as claimed in claim 1 wherein: the peripheral wall of the spray head (52) is also sleeved with a sealing ring (18) for forming a seal between the upper layer liquid discharge channel (15) and the water outlet channel (5).

3. A rainfall runoff sampler as claimed in claim 1 wherein: a plurality of water spraying ends (521) are arranged on the peripheral wall of the spray head (52) at intervals, and the caliber of the water spraying ends (521) gradually decreases outwards along the radial direction of the spray head (52).

4. A rainfall runoff sampler according to claim 3 wherein: the high-level water tank is characterized in that a liquid level sensor (7) flush with the lower surface of the upper liquid discharge outlet (12) is further arranged on the side wall of the high-level water tank (1), a first electromagnetic valve (131) is arranged on the deposition liquid discharge outlet (13), a second electromagnetic valve (111) is arranged at the water inlet (11), the first electromagnetic valve (131), the second electromagnetic valve (111) and the third electromagnetic valve (55) are electrically connected with the pressure sensor (511), and the second electromagnetic valve (111) is electrically connected with the liquid level sensor (7).

5. A rainfall runoff sampler as claimed in claim 4 wherein: the solar water heater is characterized in that the water pump (3) is arranged between the water inlet (11) and the target water area, a rainfall sensor (6) electrically connected with the water pump (3) is arranged at the top of the high-level water tank (1), and the solar cell panel (4) is arranged at the top of the high-level water tank (1) and is electrically connected with the first electromagnetic valve (131), the second electromagnetic valve (111), the liquid level sensor (7), the pressure sensor (511), the third electromagnetic valve (55), the rainfall sensor (6) and the water pump (3) respectively.

6. A rainfall runoff sampler according to any one of claims 1 to 5 wherein: be provided with sampling bottle support (8) in sampling room (2), sampling bottle support (8) have a circular shape support mesa (81), the thickness of support mesa (81) diminishes gradually to the centre of a circle by circular edge, the centre of a circle department of support mesa (81) has seted up slow flow groove (84), slow flow groove (84) bottom is linked together with below residual liquid groove (21) through drain pipe (82), still the interval is provided with a plurality of adaptations on support mesa (81) and can be with tray (83) that sampling bottle (9) level was placed.