CN209858285U - Runoff water sample collection system - Google Patents

Abstract

The utility model discloses a runoff water sample collection device, which comprises a sampling box, a filtering and collecting device located inside the sampling box, a water sample packing device, a sampling bottle device and a driving device; the water sample packing device consists of The rotating chamber driven by the driving device, the rotating supporting light column at the bottom of the rotating chamber and the guide pipe connected to the water outlet at the bottom of the rotating chamber, the top of the rotating chamber is rotatably connected to the bottom outlet of the filtering and collecting device . The sampling bottle device includes an annular support plate sleeved on the rotating support light column, and several sampling bottles arranged on the fluid injection circle in the draft tube, and the sampling bottles are fixed on the annular support plate. The utility model can filter impurities, and the sample quality is higher, and continuous sampling can be realized through the rotation of the rotary bin, without manual collection, and the sampling is more standardized.

Description

A runoff water sample collection device

technical field

The utility model relates to the technical field of water sample collection, in particular to a runoff water sample collection device.

Background technique

For areas rich in rainwater and forest resources, the water quality of forest areas often deteriorates. Current research believes that the main factor is that the dissolved nutrients carried by trees are collected into surface runoff under the action of rainfall and enter the water bodies of forest areas to cause pollution. Different tree species Therefore, the research on surface runoff water samples is of great significance for the follow-up water pollution control. The existing sampling devices mainly use sampling bottles for collection, and the sampling and transportation rely heavily on manual labor, and the standardization of sampling and sample quality There are also certain problems.

Utility model content

In order to solve the technical problems in the prior art that sampling and transportation rely heavily on labor, and there are certain problems in sampling standardization and sample quality, the utility model provides a runoff water sample collection device to solve the above problems.

The technical solution adopted by the utility model to solve the technical problem is: a runoff water sample collection device, including a sampling box, a filter collection device located inside the sampling box, a water sample packing device, a sampling bottle device and a driving device; The filter collection device is located on the top of the sampling box.

The water sample dispensing device includes a rotary bin with an annular ring gear at the bottom, a rotating support light column located at the bottom of the rotary bin, and a guide tube connected to the water outlet at the bottom of the rotary bin. The outlet at the bottom of the filtering and collecting device is rotatably connected, and a control valve is provided at the water outlet of the rotating chamber.

The sampling bottle device includes an annular support plate sleeved on the rotating support light column, and several sampling bottles arranged on the fluid injection circumference in the draft tube, and the sampling bottles are fixed on the annular support plate.

The driving device includes a servo motor, a driving gear connected to the output shaft of the servo motor, and a bevel gear meshed with the annular ring gear, the bevel gear is driven to rotate by the driving gear, and the bevel gear The rotary bin can be driven to rotate.

Further, the filter collection device includes a first filter device located on the uppermost layer and hinged to the sampling box on one side, a second filter device located in the middle, and a funnel-shaped confluence tank located below the second filter device, The size of the filter holes of the second filter device is smaller than that of the first filter device, and the top of the rotary bin is rotatably socketed with the bottom outlet of the funnel-shaped confluence tank.

Further, the first filter device includes a first filter plate and several cross-distributed vertical rods located above the first filter plate, and the second filter device is a second filter with a smaller pore diameter than the first filter plate. filter plate.

Further, the sampling bottle device also includes a position-limiting deflector fixedly socketed on the rotating support light column above the support plate, and the top surface of the limit-limiting deflector is provided with The bottom surface is provided with a plurality of water outlet holes that pass through the annular limit groove and are directly opposite to the mouth of the sampling bottle below. The mouth of the sampling bottle and the limit deflector The outlet hole is screwed.

Further, the sampling bottle device also includes a lifting mechanism that is socketed under the support plate and drives the support plate to reciprocate vertically. The middle part of the sampling bottle is a foldable bottle body, and the sampling bottle There is also a liquid level gauge inside.

Preferably, several placement grooves suitable for placing the sampling bottles are uniformly distributed on the support plate, and the depth of the placement grooves is 1/2 to 2/3 of the height of the sampling bottle in a normal state.

Further, the driving device also includes several transmission gears and cams, the cams are located below the active side of the first filter plate, the top surface of the sampling box corresponding to the cams is an elastic waterproof layer, and the cams pass through several Periodically lift the movable side of the first filter plate after transmission by the transmission gear.

Further, the runoff water sample collection device also includes U-shaped positioning rods located in the insertion channels on opposite sides of the sampling box, the bottom of the U-shaped positioning rod is tapered, and the U-shaped positioning rod is along the height direction. A fixed limit block that cannot be disengaged from the insertion channel and an elastic limit block that can be disengaged from the insertion channel are also provided in turn, and the fixed limit block is located at the U-shaped opening of the U-shaped positioning rod and the elastic between the limit blocks.

Further, the runoff water sample collection device further includes a controller, and the controller is respectively connected with the control valve, the liquid level gauge, the lifting mechanism and the servo motor.

Further, an annular groove is provided around the annular limiting groove on the limiting deflector, and the bottom of the annular groove is connected to the bottom of the annular limiting groove in a mesh form.

The beneficial effects of the utility model are:

(1) The runoff water sample collection device described in the utility model can filter impurities, and the sample quality is higher, and continuous sampling can be realized through the rotation of the rotating chamber, without manual collection, and the sampling is more standardized.

(2) The runoff water sample collection device described in the utility model can be connected with a controller, the operation automation degree is high, and remote operation can also be realized.

(3) The runoff water sample collection device described in the utility model can fix the sampling box on the soil ground through the U-shaped positioning rod, and the U-shaped positioning rod can be used as a handle. The box body is convenient to use and transport, and the structure is stable and reliable. And the cost is lower.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a schematic cross-sectional view of a specific embodiment of the runoff water sample collection device described in the present invention;

Fig. 2 is a schematic structural view of the first filter device in a specific embodiment of the runoff water sample collection device described in the present invention;

Fig. 3 is a schematic diagram of the top view structure of the limiting deflector in the specific embodiment of the runoff water sample collection device described in the present invention;

Fig. 4 is a schematic diagram of the connection structure between the sampling bottle and the limiting deflector in the specific embodiment of the runoff water sample collection device described in the present invention;

Fig. 5 is a schematic structural diagram of a U-shaped positioning rod in a specific embodiment of the runoff water sample collection device described in the present invention.

In the figure, 1. sampling box, 2. filter collection device, 22. first filter device, 221. handle, 222. vertical pole, 223. first filter plate, 21. second filter device, 23. funnel-shaped confluence tank , 3, water sample packaging device, 31, water outlet, 32, rotating support beam, 33, guide tube, 34, sealing ring, 35, annular ring gear, 41, limit deflector, 411, annular limit Groove, 412, annular groove, 42, support plate, 43, placement groove, 44, lifting mechanism, 45, sampling bottle, 6, driving device, 61, bevel gear, 62, driving gear, 63, transmission gear, 64, Cam, 7, U-shaped positioning rod, 71, elastic limit block, 72, fixed limit block.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "vertical", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of description The present invention and simplified description do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the present invention.

In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance. In addition, in the description of the present utility model, unless otherwise specified, "several" means two or more.

Embodiment 1, as shown in FIG. 1 , a runoff water sample collection device includes a sampling box 1 , a filtering and collecting device 2 inside the sampling box 1 , a water sample packing device 3 , a sampling bottle device and a driving device 6 .

The filtering and collecting device 2 is located on the top of the sampling box 1, and is used to filter the water flow and improve the sample quality. Specifically, the filter collection device 2 includes a first filter device 22 located on the uppermost floor and one side hinged to the sampling box 1, a second filter device 21 located in the middle, and a funnel-shaped confluence tank 23 located below the second filter device 21, The size of the filter holes of the second filter device 21 is smaller than that of the first filter device 22 .

The water sample dispensing device 3 comprises a rotary bin provided with an annular ring gear 35 at the bottom, a rotating support column 32 positioned at the bottom of the rotary bin and a draft tube 33 connected to the water outlet 31 at the bottom of the rotary bin, the top of the rotary bin is connected to the The outlet at the bottom of the funnel-shaped confluence tank 23 can be rotatably socketed, and a sealing ring 34 is provided at the joint to prevent water from overflowing during rotation.

The sampling bottle device includes an annular support plate 42 sleeved on the rotating support light column 32, and several sampling bottles 45 arranged on the fluid injection circumference in the draft tube 33, and the sampling bottles 45 are fixed on the annular support plate 42 , the "fixing" can be detachable or non-detachable. In order to facilitate the removal of samples, it is preferable to use a detachable fixed connection method. The utility model adopts but is not limited to the following connection methods: evenly distributed on the support plate 42 Several placing grooves 43 suitable for placing sampling bottles 45, the groove depth of placing grooves 43 is 1/2 to 2/3 of the height of the sampling bottle 45 in normal state, only for the shrinkable sampling bottle 45, the " "Normal state" refers to the state where the bottle body is under the least stress.

The driving device 6 includes a servo motor, a driving gear 62 connected to the output shaft of the servo motor, and a bevel gear 61 meshing with the annular ring gear 35. The bevel gear 61 is driven to rotate by the driving gear 62, and the bevel gear 61 can drive the rotating bin to rotate. .

One side of the first filter device 22 is hinged with the sampling box 1. After sampling, the first filter device 22 can be turned upside down to pour out the sundries mixed on it. Through two-stage filtration, some smaller sundries can be filtered out. , the second filtering device 21 is directly mounted on the funnel-shaped confluence tank 23, and subsequent cleaning is very convenient. The annular ring gear 35 at the bottom of the rotary bin meshes with the bevel gear 61 on the right, and rotates under the drive of the servo motor. When the annular ring gear 35 at the bottom of the rotating bin rotates, it can drive the guide tube 33 to rotate accordingly, and the collected water samples are respectively flowed into different sampling bottles 45 in turn. A control valve is provided at the water outlet 31 of the rotating bin for After the collection is completed, close the water outlet 31 and wait for recovery.

Embodiment 2, on the basis of Embodiment 1, as shown in FIG. 2 , the first filter device 22 includes a first filter plate 223 and several cross-distributed vertical rods 222 above the first filter plate 223, the The second filter device 21 is a second filter plate with a smaller pore diameter than the first filter plate 223 . The vertical rod 222 is arranged above the first filter plate 223, which can prevent the washed leaves from covering the filter plate below, causing most of the runoff to flow directly above the sampling device. Preferably, a handle 221 is also provided on the movable side (ie, the right side in FIG. 2 ) of the first filter plate 223 shown.

Embodiment 3, in order to avoid that the water sample flowing out of the draft tube 33 cannot accurately enter the sampling bottle 45, on the basis of Embodiment 1 or Embodiment 2, the sampling bottle device described in this embodiment also includes a Rotating support beam 32 is fixedly socketed with a limit deflector 41. The top surface of the limit deflector 41 is provided with an annular limit groove 411 suitable for the circular movement of the flow guide tube 33, and the bottom surface is provided with an annular limit groove. 411 runs through and is opposite to a plurality of water outlet holes of the sampling bottle 45 bottlenecks below, the bottleneck of the sampling bottle 45 is screwed with the water outlet hole of the limiting deflector 41, and the limiting deflector 41 can be connected to the flow guide tube 33. The trajectory of the movement is accurately limited, and the water sample is accurately flowed into the sampling bottle 45 through the water outlet hole.

Preferably, as shown in Figure 3, an annular groove 412 is also provided around the annular limiting groove 411 on the limiting deflector 41, the lower part of the annular groove 412 is inclined, and the bottom of the annular groove 412 is connected to the bottom of the annular limiting groove 411. The mesh connection can make the water sample flowing out of the diversion tube 33 flow back into the front sampling bottle 45/rear sampling bottle 45 during the shifting process, and can also play a role of slow flow at the same time, preventing the water from flowing too quickly and overflowing into the tank. in vivo.

Embodiment 4, on the basis of Embodiment 1 or Embodiment 2 or Embodiment 3, as shown in Fig. 1 and Fig. 5, the runoff water sample collection device also includes sockets located on opposite sides of the sampling box 1 The U-shaped positioning rod 7 in the channel, the bottom of the U-shaped positioning rod 7 is tapered, and the U-shaped positioning rod 7 is also successively provided with a fixed limit block 72 and a detachable stopper 72 along the height direction that cannot escape from the insertion channel. The elastic limit block 71 of the insertion channel, and the fixed limit block 72 is located between the U-shaped opening of the U-shaped positioning rod 7 and the elastic limit block 71 . The elastic limit block 71 is two V-shaped blocks connected by a spring in the middle. When the U-shaped positioning rod 7 is used as a handle to carry the sampling box 1, it is pulled out to the elastic limit block 71. At this time, the U-shaped positioning rod 7 The taper at the bottom is hidden in the box, and the elastic limit block 71 is stuck on the outside of the insertion channel, which can ensure that the bottom does not come out; when the U-shaped positioning rod 7 is used as a fixed structure, after selecting a suitable position, press down The U-shaped positioning rod 7 presses the elastic limit block 71 into the insertion channel, so that it can be fixed with the bottom soil to avoid displacement and the like.

Embodiment 5, on the basis of Embodiment 2, the driving device 6 also includes several transmission gears 63 and cams 64, as shown in Figure 1, the cams 64 are positioned at the movable side of the first filter plate 223, that is, the lower right side, and the sampling box 1 The part of the top surface corresponding to the cam 64 is an elastic waterproof layer, and the cam 64 periodically lifts the right side of the first filter plate 223 after being driven by several transmission gears 63 . When the servo motor rotates, in addition to driving the bevel gear 61 to drive the rotation of the rotating chamber, it can also drive the cam 64 connected through the transmission. During the periodic rotation of the cam 64, the cam 64 can lift the right side of the first filter plate 223 above. side, and will not allow water to enter the box. When installed, the right side of the first filter plate 223 corresponds to the beginning of the water flow direction. During the periodic lifting process, the sundries mixed in the upper part can be washed away by the lower water flow, or gravity The function slides down to avoid accumulation, and the cam 64 can be set to a suitable shape according to needs, and the second filter plate plays a full filtering role in a short time.

As preferably, the sampling bottle device also includes a lifting mechanism 44 which is sleeved under the support plate 42 and drives the support plate 42 to perform vertical reciprocating motion. As shown in FIG. 4 , the middle part of the sampling bottle 45 is a foldable bottle body. The height adjustment of the support plate 42 can realize the change of capacity, and the expansion and contraction amount of the lifting mechanism 44 corresponding to several groups of fixed capacities can be set as required, and the liquid level gauge in the sampling bottle 45 is used to collect data, when the sampling bottle 45 When the bottom of the bottle is clamped with the placement groove 43, when taking out the sampling bottle 45, only need to lower the support plate 42 to a low place, unscrew the joint between the sampling bottle 45 and the limiting deflector 41, seal the mouth of the bottle, and lift Mechanism 44 is prior art, can adopt but not limited to gear and screw rod drive lifting, cylinder promotes lifting etc.

Preferably, the runoff water sample collection device also includes a controller, the controller is respectively connected with the control valve, the liquid level gauge, the lifting mechanism 44 and the servo motor, and can be controlled by field instruments. ; Or perform remote control by connecting the controller with a wireless communication module. The controller is an ordinary single-chip microcomputer, and the model of the controller used in this embodiment is MR-D0808-S.

When in use, the rainfall can be estimated based on weather information, experience and other information, and an appropriate sampling volume can be set. After the sampling is completed, the control valve at the bottom of the rotary chamber is closed, waiting for the follow-up device to be recovered. The sampling box 1 can be opened on the side to facilitate sampling. The bottles 45 are taken out one by one, and after taking out, the mouths of the sampling bottles 45 are sealed.

In this specification, schematic representations of the terms do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments.

Inspired by the above ideal embodiment according to the utility model, through the above description content, relevant staff can completely make various changes and modifications within the scope of not deviating from the technical idea of the utility model. The technical scope of this utility model is not limited to the content in the description, but must be determined according to the scope of the claims.

Claims (10)

1. A runoff water sample collection device, characterized in that: comprising a sampling box (1), a filter collection device (2) positioned inside the sampling box (1), a water sample packing device (3), a sampling bottle device And a driving device (6); the filter collection device (2) is located at the top of the sampling box (1); The water sample dispensing device (3) includes a rotary bin with an annular ring gear (35) at the bottom, a rotating support beam (32) at the bottom of the rotary bin and a water outlet (31) at the bottom of the rotary bin. Connected guide pipe (33), the top of the rotary bin is rotatably connected to the bottom outlet of the filter collection device (2), and a control valve is provided at the water outlet (31) of the rotary bin; The sampling bottle device includes an annular support plate (42) sleeved on the rotating support light column (32), and several sampling bottles (45) arranged on the fluid injection circle in the guide tube (33). ), the sampling bottle (45) is fixed on the circular support plate (42); The driving device (6) includes a servo motor, a drive gear (62) connected to the output shaft of the servo motor and a bevel gear (61) meshed with the ring gear (35), the bevel gear ( 61) Driven to rotate by the driving gear (62), the bevel gear (61) can drive the rotating bin to rotate. 2. The runoff water sample collection device according to claim 1, characterized in that: the filter collection device (2) comprises a first filter device (22) located on the uppermost layer and one side hinged to the sampling box (1) ), the second filter device (21) at the middle, and the funnel-shaped confluence tank (23) located below the second filter device (21), the second filter device (21) is that the filter hole is smaller than the first The size of the filter hole of a filter device (22), the top of the rotary bin is rotatably socketed with the bottom outlet of the funnel-shaped confluence tank (23). 3. The runoff water sample collection device according to claim 2, characterized in that: the first filter device (22) comprises a first filter plate (223) and several filter plates above the first filter plate (223). Vertical rods (222) distributed across, the second filter device (21) is a second filter plate with a smaller pore diameter than the first filter plate (223). 4. The runoff water sample collection device according to claim 1, characterized in that: the sampling bottle device also includes a stop fixedly socketed on the support plate (42) and the rotating support beam (32) deflector (41), the top surface of the limit deflector (41) is provided with an annular limit groove (411) suitable for the circular movement of the guide tube (33), and the bottom surface is provided with an annular limit groove (411). The slot (411) runs through and is directly opposite to the mouth of the sampling bottle (45) below, and the mouth of the sampling bottle (45) is screwed to the water outlet of the limiting deflector (41). . 5. The runoff water sample collection device according to claim 1, characterized in that: the sampling bottle device also includes a socket socket under the support plate (42), driving the support plate (42) to make a vertical A reciprocating lifting mechanism (44), the middle part of the sampling bottle (45) is a foldable bottle body, and a liquid level gauge is also arranged in the sampling bottle (45). 6. The runoff water sample collection device according to claim 5, characterized in that: several placement grooves (43) suitable for placing the sampling bottles (45) are evenly distributed on the support plate (42), the The groove depth of the placement groove (43) is 1/2～2/3 of the height of the sampling bottle (45) under normal state. 7. The runoff water sample collection device according to claim 2, characterized in that: the driving device (6) also includes several transmission gears (63) and cams (64), and the cams (64) are located at the first filter The position below the movable side of the plate (223), the part of the top surface of the sampling box (1) corresponding to the cam (64) is an elastic waterproof layer, and the cam (64) is periodically rotated after being driven by several transmission gears (63). Lift the movable side of the first filter plate (223). 8. The runoff water sample collection device according to claim 1, characterized in that: the runoff water sample collection device also includes U-shaped positioning rods ( 7), the bottom of the U-shaped positioning rod (7) is tapered, and the U-shaped positioning rod (7) is also sequentially provided with a fixed limit block (72) that cannot escape from the insertion channel along the height direction and a removable The elastic limit block (71) of the insertion channel, and the fixed limit block (72) is located between the U-shaped opening of the U-shaped positioning rod (7) and the elastic limit block (71). 9. The runoff water sample collection device according to claim 5, characterized in that: the runoff water sample collection device also includes a controller, and the controller is respectively connected to the control valve, the liquid level gauge, the The lifting mechanism (44) is electrically connected with the servo motor. 10. The runoff water sample collection device according to claim 4, characterized in that: an annular groove (412) is also provided around the upper annular limiting groove (411) of the limiting deflector (41), and the annular groove (412) is The bottom of the groove (412) is connected to the bottom of the annular limiting groove (411) in a mesh shape.