CN214538777U

CN214538777U - Runoff sampling device

Info

Publication number: CN214538777U
Application number: CN202120269798.5U
Authority: CN
Inventors: 王庆凯; 陈鑫; 查贵锋; 张万祝; 冯艳霞; 冒建华
Original assignee: Beijing Enterprises Water China Investment Co Ltd
Current assignee: Beijing Enterprises Water China Investment Co Ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-10-29
Anticipated expiration: 2031-01-29

Abstract

The utility model provides a runoff sampling device relates to rainwater collection device technical field, has solved the lower technical problem of runoff sampling equipment sampling efficiency who exists among the prior art. The device includes footpath flowing water pipe (1) and sampling subassembly, wherein, the sampling subassembly is located the below of footpath flowing water pipe (1) and with footpath flowing water pipe (1) is linked together the front end of sampling subassembly is equipped with flow control valve (4), flow control valve (4) can be through adjusting its valve aperture so that the sampling subassembly gathers different time interval's runoff sample. The utility model discloses a runoff sampling device is equipped with flow control valve through the front end at the sampling subassembly, and flow control valve can be through adjusting its valve aperture so that the sampling subassembly gathers different time interval's runoff sample, can effectively improve sampling efficiency, realizes automatic segmentation sample, has reduced artifical use amount.

Description

Runoff sampling device

Technical Field

The utility model belongs to the technical field of rainwater collection system technique and specifically relates to a runoff sampling device is related to.

Background

Non-point source pollution refers to pollution caused by the fact that soluble or solid pollutants are collected into aquifers, lakes, rivers, shore ecosystems and the like from unspecified places through the runoff process under the action of rainfall and river scouring, and is a pollution problem in the whole space range, and the discharge path and the discharge amount of the pollutants are uncertain. At present, the rainfall continuous sampling of the non-point source treatment facility generally adopts a manual fixed-point acquisition mode, and a water sample needs to be continuously acquired at the same point for multiple times in the rainfall process. If multiple simultaneous sampling points are required, more sampling personnel are required, resulting in a large increase in labor, time, and expense. Although some automatic sampling equipment exists in the market at present, the price is high, the cost is extremely high in the case of multi-point deployment, and the automatic sampling equipment is difficult to popularize in a large amount. If automatic monitoring equipment is adopted, the equipment cost is more burdensome on many projects.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a runoff sampling device to solve the lower technical problem of runoff sampling equipment sampling efficiency who exists among the prior art. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of runoff sampling device, including footpath flowing water pipe and sampling subassembly, wherein, the sampling subassembly is located the below of footpath flowing water pipe and with the footpath flowing water pipe is linked together the front end of sampling subassembly is equipped with flow control valve, flow control valve can be through adjusting its valve aperture so that the sampling subassembly gathers different time interval's runoff sample.

According to a preferred embodiment, the flow control valve comprises a regulating switch and a flow control meter, the regulating switch being connected to the flow control meter for regulating the valve opening of the flow control meter.

According to a preferred embodiment, a first three-way connecting pipe is arranged on the runoff water pipe, the sampling assembly comprises a sampling water inlet pipe, and the sampling water inlet pipe is connected with the first three-way connecting pipe to realize communication with the runoff water pipe.

According to a preferred embodiment, at least one sampling container assembly is connected to the sampling water inlet pipe, and each sampling container assembly is connected with the sampling water inlet pipe through a second three-way connecting pipe;

the tail end of the sampling water inlet pipe is detachably connected with a sealing device.

According to a preferred embodiment, the sampling container assembly comprises a vial adapter port, a container adapter port and a sampling container, wherein the vial adapter port is connected with the second three-way connecting pipe through a connecting pipe, the top end of the container adapter port is connected with the vial adapter port, and the bottom end of the container adapter port is connected with the sampling container.

According to a preferred embodiment, an automatic closure device is provided in the interior of the sampling container, which automatic closure device can automatically close the sampling container at the end of the sampling time of each sampling container assembly.

According to a preferred embodiment, the automatic plugging device comprises a sealing plug, a connecting rod, a fixed shaft, a buoy and a return spring, wherein the top of the connecting rod is connected with the sealing plug, the bottom of the connecting rod is hinged to one end of the fixed shaft, the other end of the fixed shaft is hinged to a rod body of the buoy, the fixed shaft is used for being connected with the end portion of the buoy and is located right above the buoy, the return spring is arranged, and the top of the return spring is fixedly connected with the top wall of a container switching port.

According to a preferred embodiment, the sealing plug is of a frustum structure with a wide upper part and a narrow lower part, and a bayonet matched with the frustum structure of the sealing plug is arranged inside the container adapter; so that at the end of the sampling time, the sealing plug blocks the bayonet position of the container adapter.

According to a preferred embodiment, a drain opening is provided in the container adapter opening at a position that is flush with the bayonet.

According to a preferred embodiment, a water intake is arranged at the bottom of the sampling container, and scale marks are arranged on the sampling container.

Based on the technical scheme, the utility model discloses a runoff sampling device has following technological effect at least:

the utility model provides a pair of runoff sampling device, through the below that is located the runoff water pipe with the sampling subassembly setting and be linked together with the runoff water pipe, even under the shallower condition of runoff water degree of depth, water still can be through in the runoff water pipe gets into the sampling subassembly, and then has increased the suitability of the automatic sampling device of runoff, makes its runoff sampling that is applicable to the different degree of depth. The front end of the sampling assembly is provided with a flow control valve, and the flow control valve can enable the sampling assembly to collect runoff samples at different time intervals by adjusting the opening degree of the valve. The sampling efficiency can be effectively improved, automatic segmented sampling is realized, and the manual use amount is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a runoff sampling device of the present invention;

fig. 2 is a front view of the runoff sampling apparatus of the present invention;

fig. 3 is a top view of the runoff sampling apparatus of the present invention;

FIG. 4 is a plan view of the flow control valve in the runoff sampling apparatus of the present invention

Fig. 5 is a schematic structural diagram of a sampling container assembly in the runoff sampling apparatus of the present invention.

In the figure: 1-water pipe; 2-a first three-way connecting pipe; 3-sampling a water inlet pipe; 4-a flow control valve; 5-a sealing device; 6-a bottle tube switching port; 7-a container transfer port; 8-a second three-way connecting pipe; 9-graduation mark; 10-water intake; 11-a sampling container; 12-floating; 13-a fixed shaft; 14-a return spring; 15-a connecting rod; 16-a sealing plug; 17-a water discharge opening; 18-a regulating switch; 19-flow control meter; 20-bayonet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention will be described in detail with reference to the accompanying drawings 1 to 5.

As shown in fig. 1 to 3, the utility model provides a runoff sampling device, which comprises a runoff water pipe 1 and a sampling assembly. Wherein, the sampling subassembly is located the below of runoff water pipe 1 and is linked together with runoff water pipe 1, is equipped with flow control valve 4 at the front end of sampling subassembly, and flow control valve 4 can be through adjusting its valve aperture so that the sampling subassembly gathers the runoff sample of different time interval. The utility model discloses a runoff sampling device sets up the sampling subassembly in the below of runoff water pipe and be linked together with the runoff water pipe, even under the shallower condition of runoff water degree of depth, water still can be in the runoff water pipe gets into the sampling subassembly, and then has increased the suitability of the automatic sampling device of runoff, makes its runoff sampling that is applicable to the different degree of depth. Be equipped with the flow control valve at the front end of sampling subassembly, through the valve aperture of adjusting the flow control valve so that the sampling subassembly gathers different time interval's runoff sample, can effectively improve sampling efficiency, realize automatic segmentation sample, need not artifical on duty, reduced artifical use amount.

Preferably, as shown in fig. 3 and 4, the flow control valve 4 includes a regulating switch 18 and a flow control table 19, and the regulating switch 18 is connected to the flow control table 19 to regulate the valve opening degree of the flow control table 19. Namely, the flow control meter 19 is adjusted by the adjusting switch 18 to make the valve opening correspond to the sampling time required by each sampling container assembly, so that automatic sampling of each sampling container assembly at different sampling time intervals is realized, and the sampling efficiency is improved.

Preferably, as shown in fig. 1 and 2, a first three-way connection pipe 2 is arranged on the runoff water pipe 1, the sampling assembly comprises a sampling water inlet pipe 3, and the sampling water inlet pipe 3 is connected with the first three-way connection pipe 2 to realize communication with the runoff water pipe 1. Preferably, the sampling water inlet pipe 3 is connected to a lower connector of the first three-way connecting pipe 2, so that the sampling assembly is located at a lower position of the runoff water pipe 1, and the runoff water in the runoff water pipe 1 enters the sampling water inlet pipe 3 through the first three-way connecting pipe 2.

Preferably, at least one sampling container assembly is connected to the sampling water inlet pipe 3, and each sampling container assembly is connected to the sampling water inlet pipe 3 through a second three-way connecting pipe 8. Preferably, each sampling container assembly is connected to the lower connection port of the second three-way connection pipe 8 so that each sampling container assembly is located below the sampling water inlet pipe 3. Therefore, the sampling can be realized after the first sampling container is full and continuously enters the second sampling container through the sampling water inlet pipe 3 for sampling. Preferably, a closing device 5 is detachably connected to the end of the sampling water inlet pipe 3. The sealing device 5 is used for draining the runoff water pipe 1, before sampling, when the inside of the runoff water pipe 1 keeps a continuous water inlet state, the flow control valve 4 is closed firstly, and the sealing device 5 is opened to drain water retained in the sampling water inlet pipe 12; when the water flowing pipe 1 has no water inlet, the water flowing pipe can be directly emptied by opening the sealing device 5.

Preferably, as shown in fig. 2 and 5, the sampling container assembly includes a vial adapter port 6, a container adapter port 7 and a sampling container 11. Wherein, the bottle pipe switching mouth 6 is connected with a second three-way connecting pipe 8 through a connecting pipe, the top end of the container switching mouth 7 is connected with the bottle pipe switching mouth 6, and the bottom end of the container switching mouth 7 is connected with the sampling container 11. The bottle tube adapter port 6 and the container adapter port 7 are detachably connected, and the container adapter port 7 and the sampling container are detachably connected, so that the bottle tube adapter is convenient to install and overhaul in the later period.

Preferably, an automatic closure device is provided inside the sampling container 11, which automatically closes off the sampling container 11 at the end of the sampling time of each sampling container assembly. Specifically, as shown in fig. 5, the automatic plugging device comprises a sealing plug 16, a connecting rod 15, a fixed shaft 13, a float 12 and a return spring 14. Wherein, the top of connecting rod 15 is connected with sealing plug 16, and the bottom of connecting rod 15 is articulated with the one end of fixed axle 13, and the other end of fixed axle 13 is articulated mutually with the body of rod of cursory 12. When the automatic plugging device is in an opening state, the fixed shaft 13 is arranged in a horizontal state, namely, the fixed shaft 13 is horizontally connected with the connecting rod 15 and the rod body of the buoy 12. A return spring 14 is arranged at the end part of the fixed shaft 13 used for connecting the float 12 and positioned right above the float 12, and the top of the return spring 14 is fixedly connected with the top wall of the container adapter 7. Preferably, the sealing plug 16 has a frustum structure with a wide top and a narrow bottom. Preferably, the sealing plug 16 is a rubber stopper. The interior of the container adapter port 7 is provided with a bayonet 20 matched with the frustum structure of the sealing plug 16; so that at the end of the sampling time, the sealing plug 16 blocks the bayonet position of the container adapter 7.

In the sampling process, the water that needs to gather gets into from runoff water pipe 1, get into the sampling container subassembly through first tee junction pipe 2, accessible regulating switch 18 is through adjusting the flow control table in order to adjust different sampling interval time, the water that needs to sample passes through flow control valve 4 after, advance into first sampling container 11, sealing plug 16 is in the open mode this moment, and can continuously satisfy into the water requirement under reset spring 14's effect, when the water level in the sampling container rises to the cursory position, under the effect of fixed axle 13, sealing plug 16 descends and seals bayonet socket 20, water then can get into next sampling container 11 through sampling inlet tube 3, and then reach the purpose of segmentation sampling, until all collection of each sampling container are filled up. The sampling container 11 is connected with the sampling water inlet pipe 3 through the bottle pipe adapter port 6 and can be replaced at any time, and the sampling container 11 can be opened through the container adapter port 7 for maintenance.

Preferably, a water intake 10 is provided at the bottom of the sampling container 11, and a scale mark 9 is further provided on the sampling container 11. When the sampled water needs to be collected in the sampling container 11, the sampled water can be guided out of the container of a sampling person through the water intake 10, and the volume of the sampled water is clearly read through the scale marks 9.

Preferably, a drain opening 17 is provided in the container adapter opening 7 at a position flush with the bayonet 20. So that water above the closure plug can drain through the drain opening 17 after the sampling container is full.

The utility model discloses a runoff sampling device can effectively improve sampling efficiency, and need not artifical on duty, can realize collecting after automatic segmentation sampling and the rain, the artifical use amount that has significantly reduced. Simultaneously because the utility model discloses a runoff sampling device uses conventional tubular product to connect as leading in multiposition such as runoff water pipe or runoff transmission path, greatly reduced the installation cost of device.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a runoff sampling device, its characterized in that includes runoff water pipe (1) and sampling subassembly, wherein, the sampling subassembly is located the below of runoff water pipe (1) and with runoff water pipe (1) is linked together the front end of sampling subassembly is equipped with flow control valve (4), flow control valve (4) can be through adjusting its valve aperture so that sampling subassembly gathers different time interval's runoff sample.

2. A radial flow sampling device according to claim 1, characterized in that the flow control valve (4) comprises a regulating switch (18) and a flow control meter (19), the regulating switch (18) being connected with the flow control meter (19) to regulate the valve opening of the flow control meter (19).

3. A runoff sampling device according to claim 1 wherein a first three-way connecting pipe (2) is arranged on the runoff water pipe (1), the sampling assembly comprises a sampling water inlet pipe (3), and the sampling water inlet pipe (3) is connected with the first three-way connecting pipe (2) to realize the communication with the runoff water pipe (1).

4. A runoff sampling device according to claim 3 wherein at least one sampling container assembly is connected to the sampling water inlet pipe (3), each sampling container assembly being connected to the sampling water inlet pipe (3) by a second three-way connecting pipe (8);

the tail end of the sampling water inlet pipe (3) is detachably connected with a sealing device (5).

5. A runoff sampling device according to claim 4 wherein the sampling container assembly comprises a vial adapter port (6), a container adapter port (7) and a sampling container (11), wherein the vial adapter port (6) is connected to the second three way connection tube (8) by a connection tube, the top end of the container adapter port (7) is connected to the vial adapter port (6), and the bottom end of the container adapter port (7) is connected to the sampling container (11).

6. A runoff sampling device according to claim 5 wherein there is provided an automatic shut off device inside the sampling containers (11) capable of automatically shutting off the sampling containers (11) at the end of the sampling time for each of the sampling container assemblies.

7. The runoff sampling device according to claim 6, wherein the automatic blocking device comprises a sealing plug (16), a connecting rod (15), a fixed shaft (13), a float (12) and a return spring (14), wherein the top of the connecting rod (15) is connected with the sealing plug (16), the bottom of the connecting rod (15) is hinged to one end of the fixed shaft (13), the other end of the fixed shaft (13) is hinged to a rod body of the float (12), the return spring (14) is arranged at the end part of the fixed shaft (13) for connecting the float (12) and is positioned right above the float (12), and the top of the return spring (14) is fixedly connected with the top wall of the container adapter port (7).

8. A runoff sampling apparatus according to claim 7 wherein the sealing plug (16) is of a frustum structure with a wide top and a narrow bottom, and the interior of the container adapting port (7) is provided with a bayonet (20) adapted to the frustum structure of the sealing plug (16); so that at the end of the sampling time, the sealing plug (16) blocks the bayonet position of the container adapter (7).

9. A radial flow sampling device according to claim 8 wherein a drain opening (17) is provided in the container interface (7) at a location which is coplanar with the bayonet (20).

10. A radial flow sampling device according to claim 5, wherein a water intake (10) is provided at the bottom of the sampling container (11), and wherein a scale mark (9) is provided on the sampling container (11).