Self-cleaning water intake sampling device

Abstract

The application discloses a self-cleaning water sampling device, which comprises a connecting hose, a water pumping pump, a water discharging pump and a water storage box. One end of the connecting hose is connected with a water pumping inlet pipe of the water pumping pump. A water pumping outlet pipe of the water pumping pump and a water discharging inlet pipe of the water discharging pump are respectively connected with the water storage box. The water discharging pump is used for discharging water in the water storage box and cleaning the connecting hose through a water discharging outlet pipe. Before water sampling operation, the water pumping pump does not work, and the water discharging pump discharges clean cleaning water in the water storage box to clean the connecting hose. During water sampling operation, the water discharging pump does not work, and the water pumping pump pumps water samples into the water storage box through the connecting hose for storage. Therefore, the purity of the water samples can be ensured, and the accuracy of water sample detection can be ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sampling devices, in particular to a self-cleaning water sampling device. BACKGROUND

[0002] In a nuclear radiation environment, water samples need to be taken for testing. When sampling, the staff needs to operate an unmanned mobile platform carrying a water sampling device at a safe distance to complete the sampling work.

[0003] However, the existing water sampling device cannot clean the water conveying pipe, which will contaminate the water sample, thereby affecting the detection accuracy of the sample. In addition, only one water sample in a work area can be taken at a time, so the work efficiency is low.

[0004] Therefore, how to provide a water sampling device that can prevent water samples from being contaminated to improve the detection accuracy of water samples is a technical problem that needs to be solved by those skilled in the art at present. SUMMARY

[0005] Therefore, the purpose of the present application is to provide a self-cleaning water sampling device that can effectively prevent water samples from being contaminated and ensure the accuracy of water sample testing. In addition, multiple water samples from different areas can be taken at one time.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0007] A self-cleaning water sampling device comprises a connecting hose, a water pump, a drainage pump and a water storage box. One end of the connecting hose is connected to the water inlet pipe of the water pump. The water outlet pipe of the water pump and the water inlet pipe of the drainage pump are respectively connected to the water storage box. The drainage pump is used to drain the water in the water storage box and clean the connecting hose through the water outlet pipe.

[0008] Preferably, it further comprises a swing mechanism for driving the connecting hose to swing within a predetermined angle range.

[0009] Preferably, the swing mechanism comprises a water collecting elbow, a rocker arm, a hinge support, a pulling arm, a pulling shaft, a connecting disc and a motor. One end of the pulling arm is eccentrically hinged to the connecting disc, and the other end is hinged to the pulling shaft. One end of the rocker arm is hinged to the hinge support, and the other end is connected to the water collecting elbow. One end of the connecting hose passes out of the water collecting elbow, and the other end is connected to the water inlet pipe. The motor is used to drive the connecting disc to rotate.

[0010] Preferably, the end of the water collecting elbow is provided with a connector for fixing the connecting hose.

[0011] Preferably, the box body and the support plate are further included, the support plate is used for supporting the box body and the swing mechanism, and the box body is used for containing the water pumping pump, the water discharging pump and the water storage box.

[0012] Preferably, the connecting hose is connected with the water pumping inlet pipe of the water pumping pump and the water discharging outlet pipe of the water discharging pump through a tee joint.

[0013] Preferably, a plurality of the water storage boxes are included, and a water pumping pipeline switching valve, a water discharging pipeline switching valve and a connecting head are further included, each of the water storage boxes is connected with the water pumping pump through one water pumping outlet pipe and connected with the water discharging pump through one water discharging inlet pipe, the water discharging outlet pipe is connected with the water pumping pipeline switching valve, the water pumping inlet pipe is connected with the connecting head, and the connecting hose is connected with the connecting head.

[0014] Compared with the prior art, the technical scheme has the following advantages:

[0015] The self-cleaning water sampling device provided by the application comprises a connecting hose, a water pumping pump, a water discharging pump and a water storage box, one end of the connecting hose is connected with a water pumping inlet pipe of the water pumping pump, a water pumping outlet pipe of the water pumping pump and a water discharging inlet pipe of the water discharging pump are connected with the water storage box respectively, and the water discharging pump is used for discharging clean washing water in the water storage box and cleaning the connecting hose through a water discharging outlet pipe. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical schemes in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only belong to the embodiments of the application, and those skilled in the art can also obtain other drawings according to the provided drawings without any creative effort.

[0017] Fig. 1 FIG. 1 is a structural schematic diagram of a self-cleaning water sampling device according to one embodiment of the application;

[0018] Fig. 2 FIG. 2 is a structural schematic diagram of a self-cleaning water sampling device according to one embodiment of the application, in which a swing arm is in a swing-up state;

[0019] Fig. 3 FIG. 3 is a structural schematic diagram of a self-cleaning water sampling device according to another embodiment of the application.

[0020] The reference signs are as follows:

[0021] 1 is a water pumping pump, 2 is a water pumping inlet pipe, 3 is a water pumping outlet pipe, 4 is a water storage box, 5 is a water discharging pump, 6 is a water discharging inlet pipe, 7 is a water discharging outlet pipe, 8 is a tee joint, 9 is a box body, 10 is a connecting hose, 11 is a fixing plate, 12 is a motor, 13 is a connecting disc, 14 is a pushing arm, 15 is a hinged support, 16 is a rocker arm, 17 is a hinged shaft, 18 is a pushing shaft, 19 is a water taking elbow, 20 is a joint, 21 is a supporting plate, 22 is a water pumping pipeline switching valve, 23 is a water discharging pipeline switching valve, and 24 is a connecting head. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0023] Please refer to Figs. 1-3 , Fig. 1 which is a structural schematic view of a self-cleaning water sampling device provided in an embodiment of the present application; Fig. 2 which is a structural schematic view of the self-cleaning water sampling device provided in an embodiment of the present application when a rocker arm is in a swing-up state; Fig. 3 which is a structural schematic view of a self-cleaning water sampling device provided in another embodiment of the present application.

[0024] The self-cleaning water sampling device provided in the embodiment of the present application comprises a connecting hose 10, a water pumping pump 1, a water discharging pump 5 and a water storage box 4. One end of the connecting hose 10 is connected with a water pumping inlet pipe 2 of the water pumping pump 1. A water pumping outlet pipe 3 of the water pumping pump 1 and a water discharging inlet pipe 6 of the water discharging pump 5 are respectively connected with the water storage box 4. The water discharging pump 5 is used to discharge the water in the water storage box 4 and clean the connecting hose 10 through a water discharging outlet pipe 7. Before water sampling operation, the water pumping pump 1 does not work, and the water discharging pump 5 discharges the clean cleaning water in the water storage box 4 to clean the connecting hose 10. During water sampling operation, the water discharging pump 5 does not work, and the water pumping pump 1 pumps the water sample into the water storage box 4 through the connecting hose 10 for storage. Therefore, the purity of the water sample collection can be ensured, and the accuracy of water sample detection can be ensured.

[0025] Further, a swing mechanism is further included, which is used to drive the connecting hose 10 to swing within a preset angle range. In specific work, the connecting hose 10 is driven by the swing mechanism to extend into the water sample, and can be recovered and reset after sampling.

[0026] Specifically, the swing mechanism comprises the water taking elbow 19, the rocker arm 16, the hinge support 15, the toggle arm 14, the toggle shaft 18, the connecting disc 13 and the motor 12, one end of the toggle arm 14 is eccentrically hinged to the connecting disc 13, the other end is hinged to the toggle shaft 18, one end of the rocker arm 16 is hinged to the hinge support 15 through the hinge shaft 17, the other end is connected to the elbow, the driving end of the motor 12 is connected to the middle part of the connecting disc 13, in the specific work, the motor 12 drives the connecting disc 13 to rotate, the toggle arm 14 drives the rocker arm 16 to swing around the hinge shaft 17, and then drives the water taking elbow 19 to swing.

[0027] Further, the end of the water taking elbow 19 is provided with the joint 20 for fixing the connecting hose 10. In addition, the box body 9 and the support plate 21 are further included, the support plate 21 is used for supporting the box body 9 and the swing mechanism, the support plate 21 is provided with the fixing plate 11 for installing the motor 12, the box body 9 is used for containing the water pump 1, the drainage pump 5 and the water storage box 4, the connecting hose 10 is connected with the water taking inlet pipe 2 of the water pump 1 and the drainage outlet pipe 7 of the drainage pump 5 through the three-way joint 8 respectively, the bottom end of the three-way joint 8 extends from the bottom of the box body 9, the connecting hose 10 is preferably detachably connected with the end of the three-way joint 8, so that the box body 9 can be moved integrally when being disconnected with the connecting hose 10.

[0028] Still further, a plurality of water storage boxes 4 are included, and the water taking line switching valve 22, the drainage line switching valve 23 and the connecting head 24 are further included, each water storage box 4 is connected with the water pump 1 through one water taking outlet pipe 3 and connected with the drainage pump 5 through one drainage inlet pipe 6, the water taking line switching valve 22 is connected with the drainage pump 5 through one drainage outlet pipe 7, the water pump 1 is connected with the connecting head 24 through the water pump inlet pipe 2, one end of the connecting head 24 extends out of the box body, the connecting hose 10 is preferably detachably connected with the end of the connecting head 24, before the water sampling operation, the water taking line switching valve 22 is connected with the drainage pump 5, the drainage line switching valve 23 is connected with the outlet of one water storage box 4 to communicate with the drainage pump 5, and the clean washing water in the water storage box 4 is drained to clean the water taking line switching valve 22, the water pump 1, the water pump inlet pipe 2 and the connecting hose 10, after the cleaning, the drainage pump 5 is closed, and the water taking line switching valve 22 and the drainage line switching valve 23 cut off the communication; during the water sampling operation, the water taking line switching valve 22 connects the water pump 1 with the water inlet of the water storage box 4 from which the clean washing water is drained to pump the water sample into the water storage box 4 for storage, after the operation, the water pump 1 stops, and the water taking line switching valve 22 cuts off the communication, thereafter, the water taking line switching valve 22 and the drainage line switching valve 23 cannot be connected with the water storage box in which the water sample is stored again. When reaching another sampling position, another water storage box 4 is connected, and the sampling process is as described above, and the water samples in other areas can be sampled by repeating the above process.

[0029] The various embodiments are described in the specification, each of which focuses on differences from other embodiments, and the same or similar parts among the various embodiments can be mutually referred to.

[0030] The self-cleaning water sampling device provided by the application is described in detail above. The principles and implementation modes of the application are described by applying specific examples in this paper, and the above description of the embodiments is only used to help understand the method of the application and its core idea. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the application without departing from the principles of the application, and these improvements and modifications also fall within the protection scope of the claims of the application.

Claims

1. A self-cleaning water intake sampling device, characterized by, The utility model relates to a water cleaning device, comprising: a connecting hose, a water pumping pump, a water discharging pump and a water storage box, one end of the connecting hose is connected with a water pumping inlet pipe of the water pumping pump, a water pumping outlet pipe of the water pumping pump and a water discharging inlet pipe of the water discharging pump are respectively connected with the water storage box, the water discharging pump is used for discharging water in the water storage box and cleaning the connecting hose through a water discharging outlet pipe; a swing mechanism is further included, which is used for driving the connecting hose to swing within a preset angle range; the swing mechanism comprises a water taking elbow, a rocker arm, a hinge support, a pushing arm, a pushing shaft, a connecting disc and a motor, one end of the pushing arm is eccentrically hinged on the connecting disc, the other end is hinged with the pushing shaft, one end of the rocker arm is hinged with the hinge support, the other end is connected with the water taking elbow, one end of the connecting hose is drawn out from the water taking elbow, the other end is connected with the water pumping inlet pipe, the motor is used for driving the connecting disc to rotate; a plurality of the water storage boxes are included, a water pumping pipeline switching valve, a water discharging pipeline switching valve and a connecting head are further included, each water storage box is connected with the water pumping pump through one water pumping outlet pipe and connected with the water discharging pump through one water discharging inlet pipe, the water discharging outlet pipe is connected with the water pumping pipeline switching valve, the water pumping inlet pipe is connected with the connecting head, and the connecting hose is connected with the connecting head.

2. The self-cleaning water intake sampling device of claim 1, wherein, An end of the water taking elbow is provided with a connector for fixing the connecting hose.

3. The self-cleaning water intake sampling device of claim 1, wherein, a box body and a support plate are further included, the support plate is used for supporting the box body and the swing mechanism, and the box body is used for accommodating the water pumping pump, the water discharging pump and the water storage box.

4. The self-cleaning water intake sampling device of claim 1, wherein, The connecting hose is connected with the water pumping inlet pipe of the water pumping pump and the water discharging outlet pipe of the water discharging pump through a tee joint respectively.

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