Water body sampling device

Abstract

The utility model relates to the technical field of water quality analysis, and discloses a water body sampling device. The utility model relates to a water body sampling device, which comprises a floating plate, a water body sampling device and a water body sampling device, the depth control assembly is arranged in the floating plate in the direction parallel to the floating plate; the sampling assembly is arranged at the bottom of the floating plate in the direction perpendicular to the floating plate. The water body sampling device provided by the utility model can reach a specified water body sampling site through the floating plate, the sampling assembly is lowered to a specified sampling depth through the depth control assembly, and then a water body with a preset depth is accurately collected through the sampling assembly; through cooperative work of the components, the water body sampling device provided by the utility model can accurately collect a water body with a preset depth, and can effectively reduce the labor cost and the risk of manual collection.

Description

Technical Field

[0001] The utility model relates to the technical field of water quality analysis, in particular to a water body sampling device. Background Art

[0002] Water sampling is the beginning of the entire water quality analysis activity, the first task of water quality analysis, and the basis of all water quality analysis work. The selection and improvement of water sampling technology is of vital importance to the representativeness, effectiveness and accuracy of water sample collection. At present, the commonly used water sampling method is to use the sampling bucket's own weight to sink to a predetermined depth, and then fill the sampling bucket with water at this depth. However, during the sinking process of the sampling bucket, the water will inevitably enter the sampling bucket, resulting in the final collected water containing the water above the specified depth, and the representativeness of the sampling is poor. Therefore, it is necessary to provide a water sampling device that can accurately collect water at a predetermined depth. Utility Model Content

[0003] The utility model aims to provide a water body sampling device, which can accurately sample water bodies of a predetermined depth.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A water sampling device, comprising:

[0006] A floating plate, the floating plate comprising a positioning assembly and a driving assembly;

[0007] Wherein, the positioning component can establish a connection with the server and control the driving component through the server to realize fixed-point water body collection;

[0008] A depth control component, wherein the depth control component is arranged inside the floating plate in a direction parallel to the floating plate;

[0009] A sampling component is arranged at the bottom of the floating plate along a direction perpendicular to the floating plate.

[0010] Furthermore, the depth control component includes:

[0011] A driving wheel and a guide wheel, wherein the driving wheel is arranged at one end of the floating plate, and the guide wheel is arranged at the middle part of the floating plate;

[0012] A cable is wound around the surface of the driving wheel and connected to the sampling component through a guide wheel.

[0013] A first driver is disposed inside the driving wheel, and an output end of the first driver is connected to the driving wheel.

[0014] Furthermore, the sampling component comprises:

[0015] Water collection chamber;

[0016] A venting and sampling port, the venting and sampling port is arranged at the top of the water collection chamber;

[0017] A one-way valve, the one-way valve being arranged at the bottom of the water collection chamber;

[0018] A counterweight is arranged on the outer wall of the bottom of the water collection chamber.

[0019] A second driver is arranged between the inner and outer walls of the water collection chamber, and an output end of the second driver is connected to the one-way valve.

[0020] Furthermore, the water collection chamber comprises an anti-corrosion layer, a heat-insulating layer, a waterproof layer and an anti-corrosion layer from the inner wall to the outer wall.

[0021] Furthermore, the one-way valve comprises:

[0022] A valve connector, the valve connector being threadedly connected to the water collection chamber;

[0023] A spring seat, the spring seat being arranged at the lower end of the valve joint;

[0024] A sealing tenon, the sealing tenon being arranged at the lower end of the spring seat;

[0025] Sealing rubber, the sealing rubber is arranged at the bottom edge of the sealing tenon;

[0026] A spring, one end of which is connected to the spring seat and the other end of which is connected to the sealing tenon;

[0027] A sealing support rod, which is symmetrically arranged at both ends of the sealing tenon and fixedly connected to the valve body, and is composed of a fixed rod and a telescopic rod;

[0028] A sealing tenon groove, the tenon groove is arranged at the lower end of the sealing tenon and is fixedly connected to the valve body;

[0029] A sediment filter is arranged at the lower end of the sealing groove.

[0030] Compared with the prior art, the beneficial effects of the utility model are:

[0031] The utility model provides a water sampling device that can reach a designated water collection site through a floating plate, and lower a sampling component to a designated sampling depth through a depth control component, and then accurately collect water at a predetermined depth through the sampling component; through the coordinated work of these components, the utility model provides a water sampling device that can accurately collect water at a predetermined depth, and can effectively reduce labor costs and risks of manual collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] By reading the detailed description of the preferred embodiment below, various other advantages and benefits will become clear to those of ordinary skill in the art. The accompanying drawings are only used for the purpose of illustrating the preferred embodiment and are not considered to be limiting of the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0033] Figure 1 It is a schematic diagram of the plan structure of the water sampling device;

[0034] Figure 2 It is a schematic diagram of the planar structure of the sampling component;

[0035] Figure 3 This is a schematic diagram of the local structure of the water collection chamber;

[0036] Figure 4 It is a schematic diagram of the local structure of the one-way valve;

[0037] In the figure, 1. floating plate, 2. depth control component, 3. sampling component, 101. positioning component, 102. driving component, 201. driving wheel, 202. guide wheel, 203. cable, 301. water collection chamber, 302. venting and sampling port, 303. one-way valve, 304. counterweight, 3011. anti-corrosion layer, 3012. thermal insulation layer, 3013. waterproof layer, 3031. valve joint, 3032. spring seat, 3033. sealing tenon, 3034. sealing rubber, 3035. spring, 3036. sealing support rod, 3037. sealing tenon groove, 3038. sediment filter. DETAILED DESCRIPTION

[0038] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0039] In the description of the present application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0040] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0041] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0042] Combination Figures 1 to 4 , this embodiment discloses a water sampling device, comprising:

[0043] A floating plate 1, wherein the floating plate 1 comprises a positioning assembly 101 and a driving assembly 102;

[0044] A depth control component 2, wherein the depth control component 2 is arranged inside the floating plate 1 in a direction parallel to the floating plate 1;

[0045] The sampling component 3 is arranged at the bottom of the floating plate 1 along a direction perpendicular to the floating plate 1 .

[0046] It can be understood that the water sampling device disclosed in this embodiment can reach the designated water collection site through the float 1, and lower the sampling component 3 to the designated sampling depth through the depth control component 2, and then accurately collect water at a predetermined depth through the sampling component 3; through the coordinated work of these components, the water sampling device provided in this embodiment can accurately collect water at a predetermined depth, and can effectively reduce labor costs and the risks of manual collection.

[0047] It can be understood that the water sampling device disclosed in this embodiment can establish a connection with the server through the positioning component 101, and provide power to the float 1 through the driving component 102, so that the operator can control the float 1 through the server to reach the designated water collection site, and monitor in real time whether the collection site is accurate; through the synergistic effect of the positioning component 101 and the driving component 102, the water sampling device provided in this embodiment can accurately reach the designated water collection site, effectively reducing labor costs and the risks of manual collection.

[0048] In a specific embodiment of the present application, the depth control component 2 includes:

[0049] A driving wheel 201 and a guide wheel 202, wherein the driving wheel 201 is arranged at one end of the floating plate 1, and the guide wheel 202 is arranged at the middle part of the floating plate 1;

[0050] The cable 203 is wound around the surface of the driving wheel 201 and connected to the sampling component 3 through the guide wheel 202 .

[0051] A first driver is disposed inside the driving wheel 201 , and an output end of the first driver is connected to the driving wheel 201 .

[0052] It can be understood that a water sampling device disclosed in this embodiment can control the depth of water sampling through a depth control component 2; in the specific implementation process, when the float 1 reaches the specified position, the drive wheel 201 receives the sampling depth transmitted by the server, and rotates clockwise to extend the length of the cable 203, and sinks the sampling component 3 to the specified sampling depth through the guide wheel 202 to start water sampling.

[0053] It can be understood that in order to reduce the occurrence of corrosion of the cable 203, the cable 203 used in the water sampling device disclosed in this embodiment is preferably a stainless steel cable 203; the use of the stainless steel cable 203 can not only effectively avoid the corrosion of the cable 203 and extend the service life of the water sampling device of this embodiment, but also the stainless steel cable 203 can effectively reduce the disturbance of the water to the sampling component 3 and improve the accuracy of the collection depth compared to cables 203 made of other materials such as nylon and high molecular polyethylene.

[0054] It can be understood that the water sampling device disclosed in this embodiment drives the driving wheel 201 to rotate clockwise through the first driver, thereby improving the efficiency and accuracy of water collection and reducing labor costs and risks of manual collection.

[0055] In a specific embodiment of the present application, the sampling component 3 includes:

[0056] Water collection chamber 301;

[0057] A venting and sampling port 302, wherein the venting and sampling port 302 is arranged at the top of the water collection chamber 301;

[0058] A one-way valve 303, wherein the one-way valve 303 is arranged at the bottom of the water collection chamber 301;

[0059] The counterweight 304 is arranged on the outer wall of the bottom of the water collection chamber 301 .

[0060] The second driver is arranged between the inner and outer walls of the water collection chamber 301 , and the output end of the second driver is connected to the one-way valve 303 .

[0061] It can be understood that a water sampling device disclosed in this embodiment can accurately collect water at a predetermined depth through the sampling component 3; in the specific implementation process, when the sampling component 3 reaches the preset depth, the one-way valve 303 is opened, and the pressure difference between the inside and outside of the water collection chamber 301 is used to achieve water sampling; the sampling component 3 provided in this embodiment has good sealing properties during the sinking and rising processes. When the preset depth is not reached, the water will not enter the water collection chamber 301, thereby effectively improving the accuracy of water collection.

[0062] It can be understood that the venting and sampling port 302 provided in the water sampling device disclosed in the present embodiment can inject air into the water collection chamber 301 before sampling, so as to realize the sampling of the water body by utilizing the pressure difference between the inside and outside of the water collection chamber 301 in the later stage. In addition, for some special water body inspection items, it is necessary to collect the water body under anaerobic conditions. The operator can use an air pump to extract the air in the water collection chamber 301, or fill it with other inert gases, etc., to realize the collection of water under anaerobic conditions. After sampling, in order to avoid the oxidation and decomposition of the substances to be detected in the water body during the experiment and affect the detection results, the venting and sampling port 302 can be used for small and multiple sampling and detection, thereby improving the accuracy of subsequent analysis and detection.

[0063] It can be understood that the one-way valve 303 provided in the water sampling device disclosed in this embodiment can allow water to enter the water collection chamber 301 in one direction, effectively preventing the water from flowing out of the water collection chamber 301 during the ascending process of the sampling component 3, and allowing external water to enter the water collection chamber 301, thereby effectively improving the accuracy of water collection.

[0064] It can be understood that the counterweight 304 provided in the water sampling device disclosed in this embodiment can increase the weight of the sampling component 3, reduce the disturbance of the water body to the sampling component 3, and improve the accuracy of the collection depth.

[0065] It can be understood that when a water sampling device disclosed in this embodiment reaches a preset depth, the one-way valve 303 is opened by the second driver to start water sampling, thereby improving the efficiency and accuracy of water collection and reducing labor costs and risks of manual collection.

[0066] In a specific embodiment of the present application, the water collection chamber 301 comprises, from the inner wall to the outer wall, an anti-corrosion layer 3011 , a heat-insulating layer 3012 , a waterproof layer 3013 , and an anti-corrosion layer 3011 .

[0067] It can be understood that in order to prevent the corrosive components in the water from causing irreversible damage to the sampling component 3, the water sampling device disclosed in this embodiment is provided with an inner and outer anti-corrosion layer 3011. The material of the inner anti-corrosion layer 3011 is preferably glass, and the glass material can effectively prevent the corrosion of metal ions, organic molecules, etc. on the water collection cavity 301. The outer anti-corrosion layer 3011 is preferably stainless steel, and the stainless steel material can effectively ensure the rigidity of the water collection cavity 301 while avoiding the corrosion of corrosive components in the water to the greatest extent; in the water body detection process, temperature has a certain influence on the detection results. Therefore, in the sampling process, maintaining the temperature of the sampled water can effectively ensure the accuracy of the subsequent laboratory analysis; in addition, in order to prevent water leakage, adding a waterproof layer 3013 can further improve the service life of the sampling component 3.

[0068] In a specific embodiment of the present application, the one-way valve 303 includes:

[0069] A valve connector 3031, wherein the valve connector 3031 is threadedly connected to the water collection chamber 301;

[0070] A spring seat 3032, wherein the spring seat 3032 is arranged at the lower end of the valve connector 3031;

[0071] A sealing tenon 3033, wherein the sealing tenon 3033 is disposed at the lower end of the spring seat 3032;

[0072] Sealing rubber 3034, the sealing rubber 3034 is arranged at the bottom edge of the sealing tenon 3033;

[0073] A spring 3035, one end of which is connected to the spring seat 3032 and the other end of which is connected to the sealing tenon 3033;

[0074] A sealing support rod 3036, which is symmetrically arranged at both ends of the sealing tenon 3033 and fixedly connected to the valve body. The sealing support rod 3036 is composed of a fixed rod and a telescopic rod;

[0075] A sealing tenon groove 3037, which is provided at the lower end of the sealing tenon 3033 and is fixedly connected to the valve body;

[0076] A sediment filter 3038 is provided at the lower end of the sealing groove 3037 .

[0077] It can be understood that the water sampling device disclosed in this embodiment realizes the one-way entry of water into the water collection chamber 301 through the coordinated action of the spring seat 3032, the sealing tenon 3033, the sealing rubber 3034, the spring 3035, the sealing support rod 3036 and the sealing tenon groove 3037, effectively avoiding the outflow of water from the water collection chamber 301 during the rising process of the sampling component 3, and allowing external water to enter the water collection chamber 301, thereby effectively improving the accuracy of water collection.

[0078] It can be understood that, during the sinking process of the sampling component 3, the second driver controls the sealing support rod 3036 of the one-way valve 303 disclosed in the present embodiment to extend, so that the sealing tenon 3033 and the sealing tenon groove 3037 are closed, thereby effectively preventing the entry of water during the sinking process; in addition, in order to further improve the sealing effect of the sealing tenon 3033 and the sealing tenon groove 3037, a sealing rubber 3034 is arranged at the bottom edge of the sealing tenon 3033, thereby effectively improving the sealing effect of the sealing tenon 3033 and the sealing tenon groove 3037, thereby further effectively preventing the entry of water during the sinking process.

[0079] It can be understood that when the sampling assembly 3 reaches the specified collection depth, the second driver of the one-way valve 303 disclosed in this embodiment controls the sealing support rod 3036 to contract, so that a gap that allows water to pass through appears between the sealing tenon 3033 and the sealing tenon groove 3037, and the water sampling is achieved by utilizing the pressure difference between the inside and outside of the water collection chamber 301; in addition, the setting of the spring seat 3032 and the spring 3035 can achieve one-way flow of water during the water collection process, avoid the outflow of water from the water collection chamber 301, and improve the efficiency and accuracy of the water collection.

[0080] It can be understood that the one-way valve 303 disclosed in this embodiment is provided with a sediment filter 3038. The provision of the sediment filter 3038 can effectively intercept the sediment in the water body and avoid the inaccuracy of the analysis result caused by the sediment.

[0081] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or replaced by equivalents, and any modification or equivalent replacement that does not depart from the spirit and scope of the utility model should be included in the scope of protection of the claims of the utility model.

Claims

1. A water sampling device, characterized in that: The water sampling device comprises: A floating plate, the floating plate comprising a positioning assembly and a driving assembly; Wherein, the positioning component can establish a connection with the server and control the driving component through the server to realize fixed-point water body collection; A depth control component, the depth control component is arranged inside the floating plate in a direction parallel to the floating plate, and comprises: A driving wheel and a guide wheel, wherein the driving wheel is arranged at one end of the floating plate, and the guide wheel is arranged at the middle part of the floating plate; A cable, the cable is wound around the surface of the driving wheel and connected to the sampling assembly through a guide wheel; A first driver, wherein the first driver is disposed inside the driving wheel, and an output end of the first driver is connected to the driving wheel; A sampling assembly, which is arranged at the bottom of the floating plate in a direction perpendicular to the floating plate, comprising: Water collection chamber; A venting and sampling port, the venting and sampling port is arranged at the top of the water collection chamber; A one-way valve, the one-way valve being arranged at the bottom of the water collection chamber; A counterweight, the counterweight being arranged on the outer wall at the bottom of the water collection chamber; A second driver is arranged between the inner and outer walls of the water collection chamber, and an output end of the second driver is connected to the one-way valve.

2. A water sampling device according to claim 1, characterized in that: The water collection cavity has an anti-corrosion layer, a heat-insulating layer, a water-proof layer and an anti-corrosion layer in sequence from the inner wall to the outer wall.

3. A water sampling device according to claim 1, characterized in that: The one-way valve comprises: A valve connector, the valve connector being threadedly connected to the water collection chamber; A spring seat, the spring seat being arranged at the lower end of the valve joint; A sealing tenon, the sealing tenon being arranged at the lower end of the spring seat; Sealing rubber, the sealing rubber is arranged at the bottom edge of the sealing tenon; A spring, one end of which is connected to the spring seat and the other end of which is connected to the sealing tenon; A sealing support rod, which is symmetrically arranged at both ends of the sealing tenon and fixedly connected to the valve body, and is composed of a fixed rod and a telescopic rod; A sealing tenon groove, the tenon groove is arranged at the lower end of the sealing tenon and is fixedly connected to the valve body; A sediment filter is arranged at the lower end of the sealing groove.

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