CN211740760U - Rainwater sampling device - Google Patents

Abstract

The utility model discloses a rainwater sampling device, comprising a device casing, a base is fixedly arranged at the inner bottom of the device casing, a stepping motor is fixedly arranged at the center of the top of the base, and a support ring column is fixedly arranged on the top of the base, The top of the motor shaft of the stepping motor is fixedly connected with a carrier plate, the top of the support ring column is provided with a first chute, the bottom of the carrier plate is provided with a second chute, and the top of the carrier plate is fixed with a snap ring, The snap ring is provided with a sampling bucket, the top of the device casing is provided with a water lead pipe, and the lower end of the water lead pipe is connected with a water pipe inside the device casing. In the rainwater sampling device, five groups of sampling buckets are arranged on the carrier plate, and the five groups of sampling buckets are controlled to rotate in turn by a stepping motor, and the rainwater is collected into the sampling buckets through the water diversion pipe, the water pipe and the funnel, and the rainwater sensor is used to collect the rainwater. It realizes automatic sampling work with the solenoid valve, so as to realize the rainwater sampling work according to the weather changes, with a high degree of automation and easy use.

Description

A rainwater sampling device

technical field

The utility model relates to the technical field of environmental monitoring, in particular to a rainwater sampling device.

Background technique

With the rapid development of urbanization level, the problems of serious urban water pollution and shortage of fresh water resources have become more and more prominent. It has become an important emerging topic to scientifically sample rainwater, an important water resource, analyze and utilize it to implement comprehensive management. The rainwater sampling device is a tool for collecting rainwater. It plays an important role in collecting rainwater and then determining the rainfall type and analyzing the content of various chemical substances in the rainwater.

Most of the existing rainwater sampling devices collect and collect rainwater by manually setting sampling cups at different locations. Due to abnormal weather such as rainstorms, this sampling method requires manual monitoring at any time, wastes human resources, and the degree of automation is not high, which is easy to cause. There is a large error in the rainwater sampling analysis data.

The existing disclosed portable rainwater sampling device for environmental monitoring, application number CN201820403547.X, is realized by installing a filter screen on the inner top of the sampling box body, so as to realize the realization of the flow guide plate, the water inlet pipe, the first water outlet pipe and the second water outlet pipe. Sampling of rainwater, but this portable rainwater sampling device for environmental monitoring can only perform a single rainwater sampling, and cannot perform multiple rainwater sampling according to weather changes. Now a rainwater sampling device is designed, by setting five groups in the device. The sampling bucket realizes the collection of rainwater according to the changes of the world through the electrical connection between the rainwater sensor, the stepping motor and the solenoid valve.

Utility model content

The purpose of the present invention is to provide a rainwater sampling device to solve the problem that the existing automatic feeding device proposed in the above background technology can only perform a single rainwater sampling operation, and cannot perform multiple rainwater sampling operations according to weather changes.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a rainwater sampling device, comprising a device casing, a base is fixed at the inner bottom of the device casing, a stepping motor is fixed at the center of the top of the base, and the base is A support ring column is fixed on the top, a carrier plate is fixedly connected to the top of the motor shaft of the stepping motor, a first chute is opened on the top of the support ring column, and a second chute is opened at the bottom of the carrier plate, and the carrier plate is The top of the plate is fixed with a snap ring, the snap ring is provided with a sampling bucket, the top of the device shell is provided with a water lead pipe, the lower end of the water lead pipe is connected with a water pipe inside the device shell, and the water pipe is connected to the inside of the device shell. A solenoid valve is provided, a funnel is fixedly connected to the bottom end of the water pipe, a battery is fixed on the inner wall of the top of the device shell, a rain sensor is fixed on the outside of the top of the device shell, and a sampling port is opened on the device shell.

Preferably, the stepper motor, the solenoid valve and the rain sensor are all electrically connected to the battery through wires, and the stepper motor, the solenoid valve and the rain sensor are electrically connected.

Preferably, the support ring column is in the shape of a circular cylinder, and the first sliding groove and the second sliding groove are both circular grooves, the first sliding groove and the second sliding groove are arranged correspondingly up and down, and the first sliding groove A plurality of groups of steel balls are engaged in the groove and the second sliding groove, and the steel balls move between the first sliding groove and the second sliding groove.

Preferably, the snap ring is in the shape of a circular cylinder, the top of the sampling bucket is an open structure, and the sampling bucket and the inner wall of the snap ring are connected by a threaded structure.

Preferably, there are five groups of the sampling barrels and the retaining ring, and the five groups of sampling barrels and the retaining ring are arranged in a regular annular array on the top of the carrier plate, and the step angle of the motor shaft of the stepping motor is set to 72°, and The funnel is located directly above one of the sets of sampling buckets.

Preferably, the water diversion pipe is in the shape of an inverted cone, the top of the water diversion pipe is an open structure, and the inner wall of the water diversion pipe is provided with a filter screen matching its shape.

Preferably, the sampling port is provided with a rotating shaft on the device housing, the rotating shaft is movably provided with a switch door, the bottom of the switch door is fixed with a magnetic block, and the bottom of the sampling port is provided with an iron block, the magnetic block It is magnetically connected with the iron block, and there is a pull handle on the outside of the switch door.

Compared with the prior art, the beneficial effect of the present utility model is that: the rainwater sampling device arranges five groups of sampling barrels on the carrier plate, controls the five groups of sampling barrels to rotate in turn through the stepping motor, and passes the water lead pipe and the water pipe. With the funnel, the rainwater is collected into the sampling bucket, and the automatic sampling work is realized through the rainwater sensor and the solenoid valve, so as to realize the rainwater sampling work according to the weather changes, with a high degree of automation and easy to use.

Description of drawings

Fig. 1 is an internal cross-sectional view of a rainwater sampling device of the present utility model;

Fig. 2 is a top-view structural schematic diagram of the bottom of a rainwater sampling device of the present invention;

3 is a schematic top view structure diagram of a carrier plate of a rainwater sampling device of the present invention;

Fig. 4 is an enlarged view of the place A in Fig. 1 of a rainwater sampling device of the present invention;

FIG. 5 is an enlarged view of a rainwater sampling device in FIG. 1 at B of the present invention.

In the figure: 1. Device housing, 2. Base, 3. Stepper motor, 4. Support ring column, 5. Carrier plate, 6. First chute, 7. Second chute, 8. Snap ring, 9 , Sampling bucket, 10, Diversion pipe, 11, Water pipe, 12, Solenoid valve, 13, Funnel, 14, Battery, 15, Rain sensor, 16, Sampling port, 17, Steel ball, 18, Filter screen, 19, Rotary shaft , 20, switch door, 21, magnetic block, 22, iron block, 23, pull handle.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-5, the present utility model provides a technical solution: a rainwater sampling device, comprising a device casing 1, a base 2 is fixed at the inner bottom of the device casing 1, and a stepper is fixed at the center of the top of the base 2 Motor 3, and a support ring column 4 is fixed on the top of the base 2, a carrier plate 5 is fixedly connected to the top of the motor shaft of the stepping motor 3, a first chute 6 is opened on the top of the support ring column 4, and a first chute 6 is opened at the bottom of the carrier plate 5. Two sliding grooves 7, and the support ring column 4 is in the shape of a circular cylinder, and the first sliding groove 6 and the second sliding groove 7 are both circular grooves, and the first sliding groove 6 and the second sliding groove 7 correspond up and down The first chute 6 and the second chute 7 are engaged with multiple groups of steel balls 17, and the steel balls 17 move between the first chute 6 and the second chute 7, so that the The movement between the first chute 6 and the second chute 7 realizes the steady rotation of the carrier plate 5 when the stepping motor 3 is working, and the top of the carrier plate 5 is fixedly provided with a snap ring 8 , and a sampling bucket 9 is arranged in the snap ring 8 , and the snap ring 8 is a circular cylindrical shape, the top of the sampling barrel 9 is an open structure, and the sampling barrel 9 and the inner wall of the snap ring 8 are connected by a threaded structure, so that the sampling barrel 9 can be stably fixed in the snap ring 8, the device The top of the housing 1 is provided with a water diversion pipe 10, and: the water diversion pipe 10 is in the shape of an inverted cone, and the top of the water diversion pipe 10 is an open structure, and the inner wall of the water diversion pipe 10 is provided with a filter screen 18 that matches its shape, which is convenient for the water diversion pipe. 10. Drainage rainwater, and the sundries in the air can be filtered through the filter screen 18 and enter the inside of the device shell 1. The lower end of the water diversion pipe 10 is connected with a water pipe 11 inside the device shell 1, and the water pipe 11 is provided with a solenoid valve. 12, and the bottom end of the water pipe 11 is fixedly connected to a funnel 13, and there are five groups of the sampling buckets 9 and the snap rings 8, and the five groups of sampling buckets 9 and the snap rings 8 are arranged in a regular annular array on the top of the carrier plate 5 , and the step angle of the motor shaft of the stepping motor 3 is set to 72°, and the funnel 13 is located directly above one of the sampling buckets 9, so that the sampling bucket 9 on the carrier plate 5 can be driven by the stepping motor 3 to rotate regularly, thereby The sampling bucket 9 can be rotated to the bottom of the funnel 13 in turn, so as to realize multiple rainwater sampling operations, and the battery 14 is fixed on the inner wall of the top of the device shell 1, and the rain sensor 15 is fixed on the outside of the top of the device shell 1. The rain sensor The model 15 is RSD-BEX, and the stepper motor 3, the solenoid valve 12, and the rain sensor 15 are all electrically connected to the battery 14 through wires, and the stepper motor 3, the solenoid valve 12, and the rain sensor 15 are electrically connected. The battery 14 can be used to supply power to the stepper motor 3, the solenoid valve 12, and the rain sensor 15, and the rain sensor 15 can automatically sense the rainy day, so as to control the solenoid valve 12 to realize the water passing of the water pipe 11, and The stepper motor 3 is controlled to rotate so as to conduct rainwater sampling through the next group of sampling buckets 9, so as to separate and separate sampling from rain and other weather, and the device housing 1 is provided with a sampling port 16, and the sampling port 16 is provided with a rotating shaft 19 On the device housing 1, a switch door 20 is movably arranged on the rotating shaft 19, a magnetic block 21 is fixed at the bottom of the switch door 20, and the sampling port 16 The bottom is provided with an iron block 22, the magnetic block 21 is magnetically connected with the iron block 22, and a pull handle 23 is provided on the outside of the switch door 20, so that it is convenient to control the switch door 20 to open by the pull handle 23, so that the sampling barrel 9 can be taken and taken. Work.

Working principle: When using the rainwater sampling device, first place the device on the plane of the rainwater collection environment. In rainy weather, the rainwater sensor 15 can be sensed, so that the rainwater sensor 15 controls the solenoid valve 12 to open, and the rainwater The water pipe 10, the water pipe 11, the filter screen 18 and the funnel 13 are transported into the sampling bucket 9. In the rainy weather, the rainwater stops, and the solenoid valve 12 is controlled by the rainwater sensor 15 to close, and the rainwater sensor 15 controls the stepping motor. 3. Drive the carrier plate 5 to rotate, so as to rotate the next group of sampling barrels 9 to just below the funnel 13, so that the rainwater collection work can be performed for the next rainfall work, so as to realize the sequential sampling work of the five groups of sampling barrels 9, and the staff can The opening and closing door 20 is opened by pulling the handle 23, and the sampling bucket 9 is screwed out from the snap ring 8 through the threaded structure, so as to realize the collection work of the sampling bucket 9, thereby realizing the rainwater sampling work of the device according to weather changes. Function, the above is the working process of the rainwater sampling device.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principle of the present utility model, any modifications, equivalent replacements, improvements, etc. made shall be included within the protection scope of the present utility model.

Claims (7)

1. A rainwater sampling device, comprising a device housing (1), characterized in that: a base (2) is fixedly provided at the inner bottom of the device housing (1), and a top center of the base (2) is fixedly provided with a base (2). A stepper motor (3), and a support ring column (4) is fixed on the top of the base (2), a carrier plate (5) is fixedly connected to the top of the motor shaft of the stepper motor (3), and the support ring column ( 4) A first chute (6) is provided at the top, a second chute (7) is provided at the bottom of the carrier plate (5), and a snap ring (8) is fixed on the top of the carrier board (5). A sampling bucket (9) is arranged in the ring (8), a water lead pipe (10) is arranged on the top of the device casing (1), and a water passage (11) is connected to the device casing at the lower end of the water lead pipe (10). (1) Inside, a solenoid valve (12) is arranged on the water pipe (11), and a funnel (13) is fixedly connected to the bottom end of the water pipe (11), and a top inner wall of the device casing (1) is fixedly connected with a funnel (13). A storage battery (14) is provided, a rain sensor (15) is fixed on the outer side of the top of the device casing (1), and a sampling port (16) is opened on the device casing (1). 2 . The rainwater sampling device according to claim 1 , wherein the stepper motor (3), the solenoid valve (12), and the rainwater sensor (15) are all electrically connected to the battery (14) through wires. 3 . connected, and the stepping motor (3), the solenoid valve (12) and the rain sensor (15) are electrically connected. 3. A rainwater sampling device according to claim 1, characterized in that: the support ring column (4) is in the shape of a circular cylinder, and the first chute (6) and the second chute (7) Both are annular grooves, the first chute (6) and the second chute (7) are arranged correspondingly up and down, and a plurality of groups of steel balls are engaged in the first chute (6) and the second chute (7). (17), the steel ball (17) moves between the first chute (6) and the second chute (7). 4. A rainwater sampling device according to claim 1, characterized in that: the snap ring (8) is in the shape of a circular cylinder, the top of the sampling bucket (9) is an open structure, and the sampling bucket (9) is connected to the The inner wall of the snap ring (8) is connected by a threaded structure. 5. A rainwater sampling device according to claim 1, characterized in that: the sampling bucket (9) and the snap ring (8) are provided with five groups in total, and the five groups of sampling bucket (9) and the snap ring (8) is arranged in a regular annular array on the top of the carrier plate (5), and the step angle of the motor shaft of the stepping motor (3) is set to 72°, and the funnel (13) is located directly above one of the sampling buckets (9). 6. A rainwater sampling device according to claim 1, characterized in that: the water lead pipe (10) is in the shape of an inverted truncated cone, and the top of the water lead pipe (10) is an open structure, and the inner wall of the water lead pipe (10) has an open structure. There is a filter screen (18) that matches its shape. 7. A rainwater sampling device according to claim 1, characterized in that: the sampling port (16) is provided with a rotating shaft (19) on the device housing (1), and the rotating shaft (19) is movable on the rotating shaft (19). An opening and closing door (20) is provided, a magnetic block (21) is fixed at the bottom of the opening and closing door (20), and an iron block (22) is arranged at the bottom of the sampling port (16). (22) Magnetic connection, and a pull handle (23) is provided on the outside of the opening and closing door (20).

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