Water sample extraction device for water quality detection

Abstract

The utility model belongs to the technical field of water quality detection sampling devices, and particularly relates to a water sample extraction device for water quality detection. The utility model provides a water sample extraction device for water quality detection, and aims to solve the problem that a submersible pump is easy to block or damage due to the fact that the submersible pump needs to be immersed in a water body all the time in the prior art. A water sample extraction device for water quality detection comprises a floater, a support is arranged on the floater, a submersible pump is arranged on the support and comprises a main pump and a standby pump, one of the main pump and the standby pump is submerged into a water sample to be sampled, one of the main pump and the standby pump is submerged into the water sample to be sampled, and the other one of the main pump and the standby pump is submerged into the water sample to be sampled. The main pump, the standby pump and the standby pump do not need to be immersed in the water sample together, and the main pump and the standby pump are not prone to being blocked, so that the main pump and the standby pump are not prone to being damaged.

Description

Technical Field

[0001] The utility model belongs to the technical field of water quality detection sampling devices, and specifically relates to a water sample extraction device used for water quality detection. Background Art

[0002] Water is the source of life. Human beings cannot live without water in their daily life and production activities. The quality of drinking water is closely related to human health. With the development of social economy, scientific progress and the improvement of people's living standards, people's requirements for the quality of drinking water are constantly increasing, and the drinking water quality standards are also constantly developing and improving accordingly. With the development of industrialization, water pollution is becoming more and more serious and needs to be monitored.

[0003] In the prior art, a submersible pump is usually used to extract water samples. However, the submersible pump needs to be immersed in the water body all the time. During long-term use, the submersible pump is prone to clogging, damage, or attachment of a large number of microorganisms. Utility Model Content

[0004] The utility model provides a water sample extraction device for water quality detection, aiming to solve the problem in the prior art that a submersible pump needs to be immersed in water all the time, causing the submersible pump to be easily blocked, damaged or attached with a large number of microorganisms.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A water sample extraction device for water quality detection, comprising a floater, a bracket is arranged on the floater, a submersible pump is arranged on the bracket, the submersible pump comprises a main pump and a backup pump, one of the main pump and the backup pump is submerged in the water sample to be collected;

[0007] The main pump and the standby pump are arranged on the bracket via the same traction rope, and the bracket is provided with a pulley assembly for guiding the traction rope;

[0008] The main pump is provided with a main water outlet pipe, the backup pump is provided with a backup water outlet pipe, and a control valve is provided between the main water outlet pipe and the backup water outlet pipe to control whether the main water outlet pipe and the backup water outlet pipe are connected.

[0009] A further improved solution: the floater is a floating frame, and the floating frame is in the shape of a ship.

[0010] Based on the above technical solution: the floater is a floating frame, and the floating frame is in the shape of a ship. The impact of the water flow on the floater is small, and the floater is not easy to move along the water body.

[0011] A further improved solution: the float is a floating frame, and one end of the float is provided with a water dividing plate for reducing the impact force of water flow.

[0012] Based on the above technical solution: the floater is a floating frame, and a water dividing plate is arranged on the floater. The water dividing plate can separate the water body and reduce the impact of the water flow on the floater.

[0013] A further improved solution: there are two water dividing plates, and the two water dividing plates are arranged in a V shape.

[0014] Based on the above technical solution: the water dividing plate is arranged in a V shape, and the water dividing plate has better water dividing performance.

[0015] A further improved solution: a through hole is provided in the floater for the main pump and the backup pump to pass through, and the through hole passes through the upper and lower end surfaces of the floater.

[0016] Based on the above technical solution: the floater is provided with through holes for the main pump and the backup pump to pass through, the main pump and the backup pump are closer to the middle of the floater, and the floater is not easy to overturn.

[0017] A further improved solution: the support comprises a horizontal frame and a vertical rod arranged on the horizontal frame, there are two vertical rods, the two vertical rods are respectively arranged at two ends of the horizontal frame, and the vertical rods are fixed on the floater.

[0018] Based on the above technical solution: the bracket includes a horizontal frame and a vertical rod arranged on the horizontal frame, there are two vertical rods, and the two vertical rods are used to support the horizontal frame. The horizontal frame is evenly stressed and is not easy to bend.

[0019] A further improved solution: the pulley assembly is arranged on the cross frame, the pulley assembly includes pulleys, there are at least two pulleys, and at least two of the pulleys are arranged along the length direction of the cross frame.

[0020] Based on the above technical solution: the pulley assembly includes a pulley, and there are at least two pulleys. The main pump and the backup pump are positioned by different pulleys respectively, and the main pump and the backup pump are not easy to collide.

[0021] A further improved solution: a mounting plate for mounting the pulley is provided on the cross frame, there are two mounting plates, and all the pulleys are located between the two mounting plates.

[0022] Based on the above technical solution: a mounting plate for mounting the pulley is arranged on the horizontal frame, the pulley is mounted on the horizontal frame through the mounting plate, and the setting position of the pulley is flexible.

[0023] A further improved solution: the mounting plate and the cross frame are an integrated structure, and the pulley is rotatably connected to the mounting plate via a wheel axle.

[0024] Based on the above technical solution: the mounting plate and the cross frame are an integrated structure, and the connection strength between the mounting plate and the cross frame is high.

[0025] A further improved solution: the horizontal frame and the vertical rod are an integrated structure, and the vertical rod is fixed to the floater by threads.

[0026] Based on the above technical solution: the vertical rod is fixed on the floater by means of threads, and the vertical rod and the floater are easy to assemble.

[0027] The beneficial effects of the utility model are:

[0028] The technical solution of the utility model includes a floater, a bracket is arranged on the floater, a submersible pump is arranged on the bracket, the submersible pump includes a main pump and a backup pump, one of the main pump and the backup pump is submerged in the water sample to be collected, when the main water outlet pipe is connected with the backup water outlet pipe, the water output by the main water outlet pipe can enter the backup pump, or the water output by the backup water outlet pipe can enter the main pump, after the water output by the main water outlet pipe enters the backup pump, it impacts the backup pump, causing the backup pump to move downward and submerge into the water sample to be collected, thereby making one of the main pump and the backup pump submerge into the water sample to be collected, the main pump and the backup pump do not need to be immersed in the water sample together, the main pump and the backup pump are not easy to be blocked, damaged or attached with a large number of microorganisms, so as to protect the main pump and the backup pump, and further ensure the authenticity of the monitored water sample. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technical users in this field, other relevant drawings can be obtained based on these drawings without paying creative labor.

[0030] Figure 1 It is a front view of a water sample extraction device for water quality detection of the utility model.

[0031] Figure 2 It is a schematic diagram of the first direction of a water sample extraction device for water quality detection of the utility model.

[0032] Figure 3 It is a schematic diagram of the second direction of a water sample extraction device for water quality detection of the utility model.

[0033] Figure 4 The utility model is a schematic diagram of the working principle of a water sample extraction device for water quality detection.

[0034] Description of the numbers in the figure:

[0035] 1-floater; 2-bracket; 21-cross frame; 22-vertical rod; 23-mounting plate; 3-main pump; 4-backup pump; 5-traction rope; 6-pulley assembly; 7-main water outlet pipe; 8-backup water outlet pipe; 9-control valve. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. Based on the embodiments of the utility model, all other embodiments obtained by users of the technology in this field without creative work belong to the protection scope of the utility model.

[0037] refer to Figures 1 to 4 This embodiment provides a water sample extraction device for water quality detection, including a floater 1, a bracket 2 is provided on the floater 1, a submersible pump is provided on the bracket 2, the submersible pump includes a main pump 3 and a backup pump 4, one of the main pump 3 and the backup pump 4 is submerged in the water sample to be collected;

[0038] The main pump 3 and the standby pump 4 are arranged on the bracket 2 via the same traction rope 5, and the bracket 2 is provided with a pulley assembly 6 for guiding the traction rope 5;

[0039] The main pump 3 is provided with a main water outlet pipe 7, the backup pump 4 is provided with a backup water outlet pipe 8, and a control valve 9 is provided between the main water outlet pipe 7 and the backup water outlet pipe 8 to control whether the main water outlet pipe 7 and the backup water outlet pipe 8 are connected.

[0040] The main pump 3 and the standby pump 4 are common submersible pumps in the prior art.

[0041] The control valve 9 may be a solenoid valve. For example, the control valve 9 may be a solenoid reversing valve.

[0042] The traction rope 5 can be a steel wire or a nylon wire. The traction rope 5 passes around the pulley assembly 6. The main pump 3 and the standby pump 4 can be tied to the two ends of the traction rope 5 respectively.

[0043] Specifically: the floater 1 is a floating frame, and the floating frame is in a boat shape.

[0044] Alternatively: the float 1 is a floating frame, and one end of the float 1 is provided with a water diversion plate for reducing the impact force of water flow.

[0045] There are two water divider plates, which are arranged in a V shape. The water divider plates can be welded to the floating frame, or the water divider plates can also be an integrated structure with the floating frame.

[0046] Wherein: the floater 1 is provided with through holes for the main pump 3 and the backup pump 4 to pass through, and the through holes penetrate the upper and lower end surfaces of the floater 1 .

[0047] refer to Figures 1 to 3 Specifically, the support 2 includes a horizontal frame 21 and a vertical rod 22 arranged on the horizontal frame 21. There are two vertical rods 22, which are respectively arranged at two ends of the horizontal frame 21, and the vertical rods 22 are fixed on the floater 1.

[0048] The pulley assembly 6 is disposed on the cross frame 21 . The pulley assembly 6 includes pulleys. There are at least two pulleys. The at least two pulleys are disposed along the length direction of the cross frame 21 .

[0049] Wherein: the horizontal frame 21 is provided with a mounting plate 23 for mounting the pulley, there are two mounting plates 23 , and all the pulleys are located between the two mounting plates 23 .

[0050] The mounting plate 23 and the cross frame 21 are an integrated structure, and the pulley is rotatably connected to the mounting plate 23 via a wheel axle.

[0051] A rolling bearing may be arranged between the wheel axle and the pulley, a mounting hole for mounting the wheel axle is arranged on the mounting plate 23, and a rolling bearing may be arranged between the wheel axle and the side wall of the mounting hole.

[0052] Specifically, the horizontal frame 21 and the vertical rod 22 are an integrated structure, and the vertical rod 22 is fixed to the floater 1 by threads.

[0053] The vertical rod 22 can also be fixed to the floater 1 by bonding.

[0054] The working principle of this embodiment:

[0055] refer to Figure 4 When the main pump 3 extracts water samples, the control valve 9 disconnects the main water outlet pipe 7 from the backup water outlet pipe 8, and the main water outlet pipe 7 supplies the water sample extracted by the main pump 3 to the detection equipment for detection. After the water sample extracted by the main pump 3 meets the detection requirements, the control valve 9 connects the main water outlet pipe 7 with the backup water outlet pipe 8, and the water sample output by the main pump 3 is supplied to the backup pump 4 along the main water outlet pipe 7 and the backup water outlet pipe 8, and exerts a downward impact on the backup pump 4, and the backup pump 4 moves downward, and pulls the main pump 3 upward through the traction rope 5, so that the backup pump 4 is immersed in the water body, and the main pump 3 leaves the water body. Finally, the main pump 3 stops working.

[0056] When the standby pump 4 extracts water samples, the control valve 9 disconnects the main water outlet pipe 7 from the standby water outlet pipe 8, and the standby water outlet pipe 8 supplies the water sample extracted by the standby pump 4 to the detection equipment for detection. After the water sample extracted by the standby pump 4 meets the detection requirements, the control valve 9 connects the main water outlet pipe 7 with the standby water outlet pipe 8, and the water sample output by the standby pump 4 is supplied to the main pump 3 along the standby water outlet pipe 8 and the main water outlet pipe 7, and exerts a downward impact on the main pump 3, and the main pump 3 moves downward, and the standby pump 4 is pulled upward by the traction rope 5, so that the main pump 3 is immersed in the water body, and the standby pump 4 leaves the water body. Finally, the standby pump 4 stops working.

[0057] The present utility model is not limited to the above optional implementation modes. Under the premise of not conflicting with each other, the various schemes can be combined arbitrarily. Anyone can derive other forms of products under the inspiration of the present utility model. However, no matter what changes are made in their shapes or structures, all technical schemes that fall within the scope defined by the claims of the present utility model fall within the protection scope of the present utility model.

Claims

1. A water sample extraction device for water quality detection, characterized in that: It comprises a floater, the floater is provided with a bracket, the bracket is provided with a submersible pump, the submersible pump comprises a main pump and a backup pump, one of the main pump and the backup pump is submerged in the water sample to be taken; The main pump and the standby pump are arranged on the bracket via the same traction rope, and the bracket is provided with a pulley assembly for guiding the traction rope; The main pump is provided with a main water outlet pipe, the backup pump is provided with a backup water outlet pipe, and a control valve is provided between the main water outlet pipe and the backup water outlet pipe to control whether the main water outlet pipe and the backup water outlet pipe are connected.

2. A water sample extraction device for water quality testing according to claim 1, characterized in that: The floater is a floating frame, and the floating frame is in a boat shape.

3. The water sample extraction device for water quality detection according to claim 1, characterized in that: The float is a floating frame, and one end of the float is provided with a water dividing plate for reducing the impact force of water flow.

4. A water sample extraction device for water quality testing according to claim 3, characterized in that: There are two water dividing plates, and the two water dividing plates are arranged in a V shape.

5. A water sample extraction device for water quality testing according to any one of claims 1 to 4, characterized in that: The float is provided with through holes for the main pump and the backup pump to pass through, and the through holes penetrate the upper and lower end surfaces of the float.

6. The water sample extraction device for water quality testing according to claim 1, characterized in that: The support comprises a horizontal frame and a vertical rod arranged on the horizontal frame. There are two vertical rods, which are respectively arranged at two ends of the horizontal frame, and the vertical rods are fixed on the floater.

7. A water sample extraction device for water quality testing according to claim 6, characterized in that: The pulley assembly is arranged on the cross frame, and the pulley assembly comprises pulleys. There are at least two pulleys, and at least two pulleys are arranged along the length direction of the cross frame.

8. The water sample extraction device for water quality testing according to claim 7, characterized in that: The cross frame is provided with a mounting plate for mounting the pulley, and there are two mounting plates, and all the pulleys are located between the two mounting plates.

9. A water sample extraction device for water quality testing according to claim 8, characterized in that: The mounting plate and the cross frame are an integrated structure, and the pulley is rotatably connected to the mounting plate via a wheel axle.

10. A water sample extraction device for water quality testing according to claim 9, characterized in that: The horizontal frame and the vertical rod are an integrated structure, and the vertical rod is fixed to the floater by threads.

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