Sampling device with adjustable sampling depth

Abstract

The utility model discloses a sampling device with adjustable sampling depth, which comprises a control bearing plate, the top end of which is fixedly provided with a storage battery pack and a controller; the electric telescopic rod is fixedly mounted at the top end of the control bearing plate, and the telescopic end fixedly penetrates through the control bearing plate and extends downwards; the mounting connecting frame is connected with the electric telescopic rod, and a sampling control pipe is fixedly mounted in the middle of the mounting connecting frame; the water sample collecting tank is fixedly mounted at the top end of the sampling control pipe and is used for storing a water body sample; the waterproof electromagnetic valve is fixedly mounted at the bottom end of the sampling control pipe and is used for controlling water body sampling; the water level detection sensor is used for detecting the depth of the bottom end of the waterproof electromagnetic valve and determining the water sampling depth. Water samples are directly collected through the water sample collecting tank, sample transfer is not needed, safety is higher, meanwhile, the water level detection sensor is used for detecting the water sampling depth, sample sampling preciseness can be directly controlled conveniently, and reliability of the water samples is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to water body sampling technical field especially, and it is a kind of sampling device of adjustable sampling depth. BACKGROUND

[0002] In prior art, water quality monitoring is the process of monitoring and measuring the types of pollutants in water, the concentrations of various pollutants and their trends, and evaluating water quality. The monitoring range is very wide, including natural water that has not been polluted and has been polluted, and various industrial wastewater, etc. Due to the differences in substances present in the water body, some substances will sink to the lower part of the water body, so during sampling, water samples at different depths need to be collected.

[0003] According to the search, the patent with the Chinese patent application number 202221856532.1 discloses a water quality detection sampling device with adjustable sampling depth, which includes an outer sleeve rod and an inner sleeve rod, a telescopic mechanism, two door opening mechanisms, two sweeping mechanisms, two protective covers, two sampling boxes and a connecting rod. The outer sleeve rod is sleeved on the outer wall of the inner sleeve rod. The telescopic mechanism is arranged inside the inner sleeve rod. The connecting rod is arranged at the bottom of the inner sleeve rod. The two sampling boxes are arranged at the two ends of the connecting rod respectively. The two protective covers are arranged above the two sampling boxes respectively. The two sweeping mechanisms are arranged in the two protective covers respectively. The two door opening mechanisms are arranged in the two sampling boxes respectively.

[0004] The above-mentioned patent has the following disadvantages: although the device can sample water samples at different depths, the water samples are not directly introduced into the sample storage device, and cannot be used directly, so after sampling, sample transfer is required. For some heavily polluted water bodies, there may be some danger during the transfer process, and it is not conducive to controlling the sampling depth. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art and provides a sampling device with adjustable sampling depth.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A sampling device with adjustable sampling depth includes:

[0008] A control bearing plate has a battery pack and a controller fixedly installed at the top end;

[0009] An electric telescopic rod is fixedly installed at the top end of the control bearing plate, and the telescopic end penetrates the control bearing plate and extends downward;

[0010] A mounting connecting frame is connected with the electric telescopic rod, and a sampling control pipe is fixedly installed in the middle part;

[0011] A water sample collecting tank is fixedly installed at the top end of the sampling control pipe and used for storing the water sample;

[0012] A waterproof electromagnetic valve is fixedly installed at the bottom end of the sampling control pipe and used for controlling the water sampling.

[0013] A water level detection sensor is used for detecting the depth of the bottom end of the waterproof electromagnetic valve and determining the water sampling depth.

[0014] As a further scheme of the present application, a protective connecting pipe is fixedly installed at one side of the valve body of the waterproof electromagnetic valve, the bottom end of the protective connecting pipe is fixedly connected with an adaptive installation pipe, and the water level detection sensor is fixedly installed inside the adaptive installation pipe.

[0015] As a further scheme of the present application, an upward fixed connecting pipe is fixedly connected at one end of the protective connecting pipe, and an exhaust connecting pipe is fixedly connected at the middle of one side of the fixed connecting pipe.

[0016] As a further scheme of the present application, a connecting pipe head is fixedly installed at the top end of the fixed connecting pipe, and a pressure-resistant telescopic pipe is fixedly installed at the top end of the connecting pipe head.

[0017] As a further scheme of the present application, a sealing connecting plug is fixedly installed at the end of the exhaust connecting pipe, and a connecting branch pipe is fixedly installed at one end of the sealing connecting plug.

[0018] As a further scheme of the present application, the connecting branch pipe is fixedly connected at one side of the sampling control pipe, and an anti-corrosion exhaust pipe is arranged inside the connecting branch pipe and plugged with the sealing connecting plug.

[0019] As a further scheme of the present application, a sealing rubber sleeve is fixedly sleeved at the outer wall of the anti-corrosion exhaust pipe, and the sealing rubber sleeve is fixedly installed inside the connecting branch pipe.

[0020] As a further scheme of the present application, a sealing protective sleeve is fixedly installed at the bottom of the inner cavity of the fixed connecting pipe, and the top end of the pressure-resistant telescopic pipe is fixed with the control bearing plate.

[0021] Compared with the prior art, the present application provides a sampling device with adjustable sampling depth, which has the following beneficial effects:

[0022] 1. The sampling device with adjustable sampling depth directly collects the water sample through the water sample collecting tank, without sample transfer, which is safer, and the water level detection sensor is used for detecting the water sampling depth, so as to directly control the rigor of the sample sampling and ensure the reliability of the water sample.

[0023] 2. The sampling device with adjustable sampling depth is designed through pressure-resistant telescopic pipe and sealing protective sleeve, can withstand underwater high-pressure environment, ensures stable operation of the equipment in deep water area, and prevents gas retention from affecting sampling precision.

[0024] The part not involved in the device is the same as or can be realized by the prior art, the utility model has the advantages of simple structure and convenient operation. SHEET

[0025] Figure 1 It is a schematic diagram of the overall assembly of the utility model;

[0026] Figure 2 It is a schematic diagram of the partial sectional structure of the overall assembly of the utility model;

[0027] Figure 3 It is a schematic diagram of the partial sectional structure of the overall assembly of the utility model; Figure 2

[0028] Figure 4 It is a schematic diagram of the partial sectional structure of the overall assembly of the utility model; Figure 2

[0029] In the drawing: 1, control bearing plate; 2, electric telescopic rod; 3, battery pack; 4, controller; 5, lifting connecting cylinder; 6, fixed connecting arm; 7, mounting connecting frame; 8, sampling control pipe; 9, water sample collection tank; 10, waterproof electromagnetic valve; 11, water collecting wide-mouth cover; 12, protective connecting pipe; 13, adaptive installation pipe; 14, fixed connecting pipe; 15, exhaust connecting pipe; 16, connecting pipe head; 17, pressure-resistant telescopic pipe; 18, connecting branch pipe; 19, sealing rubber sleeve; 20, corrosion-resistant exhaust pipe; 21, water level detection sensor; 22, sealing protective sleeve; 23, sealing connection plug. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0031] A sampling device with adjustable sampling depth, as shown in Figures 1 to 4 The top end of the sampling control pipe 8 is threadedly installed with a water sample collection tank 9 for storing water samples, and the bottom end of the sampling control pipe 8 is fixedly installed with a waterproof electromagnetic valve 10 for controlling whether water enters.

[0032] ​​The waterproof electromagnetic valve 10 is integrally formed with a water collecting wide mouth cover 11 at the bottom end, which facilitates the rapid entry of water samples into the sampling control pipe 8. A filter screen can also be installed at the bottom end of the water collecting wide mouth cover 11 for filtering various garbage and impurities in the water body, and the specific mesh number is determined according to the water sample.

[0033] One side of the waterproof electromagnetic valve 10 housing is integrally formed with a wire connecting pipe, and a protective connecting pipe 12 is fixedly installed at the end of the wire connecting pipe. The bottom end of the protective connecting pipe 12 is integrally formed with an adaptive installation pipe 13, and a water level detection sensor 21 is fixedly installed inside the adaptive installation pipe 13. The water level detection sensor 21 is used to detect the depth of the bottom end of the waterproof electromagnetic valve 10 to determine the water sampling depth.

[0034] The end of the protective connecting pipe 12 away from the wire connecting pipe is integrally formed with an upward fixed connecting pipe 14, and a sealing protective sleeve 22 is fixedly installed at the bottom of the inner cavity of the fixed connecting pipe 14. The wires of the waterproof electromagnetic valve 10 and the water level detection sensor 21 pass through the sealing protective sleeve 22. The sealing protective sleeve 22 is used to prevent water from entering the protective connecting pipe 12 and affecting the waterproof electromagnetic valve 10 and the water level detection sensor 21.

[0035] The top end of the fixed connecting pipe 14 is fixedly installed with a connecting pipe head 16, and the top end of the connecting pipe head 16 is fixedly installed with a pressure-resistant expansion pipe 17. The top end of the pressure-resistant expansion pipe 17 is fixed with the control bearing plate 1, which facilitates gas discharge and prevents water samples from entering the fixed connecting pipe 14 and affecting the water sample collection tank 9.

[0036] An exhaust connecting pipe 15 is welded to the middle of one side of the fixed connecting pipe 14, and a sealing connection plug 23 is fixedly installed at the end of the exhaust connecting pipe 15. One end of the sealing connection plug 23 is fixedly installed with a connecting branch pipe 18.

[0037] The connecting branch pipe 18 is welded to one side of the sampling control pipe 8, and a corrosion-resistant exhaust pipe 20 is arranged inside. The corrosion-resistant exhaust pipe 20 includes an integrally formed horizontal section and a vertical section. The end of the horizontal section is inserted into the sealing connection plug 23, and the other end is sleeved with a sealing rubber sleeve 19. The sealing rubber sleeve 19 is fixedly installed inside the connecting branch pipe 18 to prevent water from directly entering the inside of the connecting branch pipe 18. The vertical section is upwardly inserted into the inside of the water sample collection tank 9, and has a gap with the top tank body of the water sample collection tank 9 to facilitate exhaust.

[0038] An electric telescopic rod 2 is fixedly installed at the top middle of the control bearing plate 1. The telescopic end of the electric telescopic rod 2 penetrates through the control bearing plate 1 and extends downward. A lifting connecting cylinder 5 is fixedly installed at the bottom of the extended end of the electric telescopic rod 2. A plurality of fixed connecting arms 6 are equidistantly fixedly connected to the bottom end of the lifting connecting cylinder 5. A mounting connecting frame 7 is fixedly installed at the bottom end of the plurality of fixed connecting arms 6. The mounting connecting frame 7 is fixedly installed at the top of the outer wall of the sampling control pipe 8.

[0039] The top end of the control bearing plate 1 is fixedly installed with a battery pack 3 and a controller 4, the battery pack 3 supplies power for the electric telescopic rod 2, the waterproof electromagnetic valve 10 and the water level detection sensor 21; the controller 4 determines the depth of the waterproof electromagnetic valve 10 according to the data fed back by the water level detection sensor 21, and then controls the opening and closing of the waterproof electromagnetic valve 10.

[0040] Working principle:

[0041] Please refer to Figures 1 to 4 Assemble the device as shown in the figure;

[0042] In use, the control bearing plate 1 is fixed above the water body (the fixing method is determined according to the sampling environment), the electric telescopic rod 2 and the water level detection sensor 21 are started by the controller 4, the electric telescopic rod 2 drives the sampling control pipe 8 to enter the water body through the installation connecting frame 7, when the data fed back by the water level detection sensor 21 shows that the waterproof electromagnetic valve 10 reaches the specified depth, the electric telescopic rod 2 is closed, the electric telescopic rod 2 remains in the current state, and the waterproof electromagnetic valve 10 is opened, the water sample at the specified depth enters the water sample collection tank 9 through the sampling control pipe 8 under the action of water pressure, the control inside the water sample collection tank 9 is discharged through the corrosion-resistant exhaust pipe 20, when the water sample collection tank 9 collects the water body sample, the waterproof electromagnetic valve 10 is closed, the electric telescopic rod 2 is retracted to the initial state, then the whole device is inverted, the water sample collection tank 9 is removed, and the sampling work of the water body sample at the specified depth is completed.

[0043] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A sampling device with adjustable sampling depth, characterized in that, Include: Control bearing plate (1), the top end fixed installation has battery group (3) and controller (4); Electric telescopic rod (2), fixedly installed on the top end of the control bearing plate (1), and the telescopic end is fixedly penetrated through the control bearing plate (1) and extends downward; The installation connecting frame (7) is connected with the electric telescopic rod (2), and the middle part is fixedly installed with the sampling control pipe (8); Water sample collection tank (9), fixedly installed on the top end of the sampling control pipe (8), used for storing water sample; Waterproof electromagnetic valve (10), fixedly installed at the bottom end of the sampling control pipe (8), used for controlling water sampling; Water level detection sensor (21), used for detecting the depth of the bottom end of the waterproof electromagnetic valve (10), determining the water sampling depth.

2. The sampling device of claim 1, wherein: The valve body of the waterproof electromagnetic valve (10) is fixedly installed with a protection connecting pipe (12) on one side, the bottom end of the protection connecting pipe (12) is fixedly connected with an adaptive installation pipe (13), and the water level detection sensor (21) is fixedly installed in the adaptive installation pipe (13).

3. A depth-adjustable sampling device according to claim 2, wherein: One end of the protection connecting pipe (12) is fixedly connected with an upward fixed connecting pipe (14), one side of the fixed connecting pipe (14) is fixedly connected with an exhaust connecting pipe (15).

4. The sampling device of claim 3, wherein: The top end of the fixed connecting pipe (14) is fixedly installed with a connecting pipe head (16), and the top end of the connecting pipe head (16) is fixedly installed with a pressure-resistant telescopic pipe (17).

5. The depth-adjustable sampling device of claim 3, wherein: The end of the exhaust connecting pipe (15) is fixedly installed with a sealing connection plug (23), one end of the sealing connection plug (23) is fixedly installed with a connecting branch pipe (18).

6. A depth-adjustable sampling device according to claim 5, wherein: The connecting branch pipe (18) is fixedly connected to one side of the sampling control pipe (8), and the inside is provided with a corrosion-resistant exhaust pipe (20) inserted with the sealing connection plug (23).

7. A depth-adjustable sampling device according to claim 6, wherein: The outer wall of the corrosion-resistant exhaust pipe (20) is fixedly sleeved with a sealing rubber sleeve (19), and the sealing rubber sleeve (19) is fixedly installed in the connecting branch pipe (18).

8. The depth-adjustable sampling device of claim 4, wherein: The inner cavity bottom of the fixed connecting pipe (14) is fixedly installed with a sealing protective sleeve (22), and the top end of the pressure-resistant telescopic pipe (17) is fixed with the control bearing plate (1).

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