CN220356746U - Automatic water sample collection device for water area detection - Google Patents
Automatic water sample collection device for water area detection Download PDFInfo
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- CN220356746U CN220356746U CN202322325527.9U CN202322325527U CN220356746U CN 220356746 U CN220356746 U CN 220356746U CN 202322325527 U CN202322325527 U CN 202322325527U CN 220356746 U CN220356746 U CN 220356746U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 146
- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 238000005070 sampling Methods 0.000 claims abstract description 45
- 238000002955 isolation Methods 0.000 claims abstract description 26
- 239000000523 sample Substances 0.000 claims description 33
- 238000007789 sealing Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000003643 water by type Substances 0.000 claims 1
- 239000002352 surface water Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model belongs to the technical field of water area detection, and discloses an automatic water sample collection device for water area detection, which comprises a sampling cylinder, wherein the sampling cylinder is connected with a rope, a second water inlet pipe, a balancing weight, a water outlet pipe, a collecting cylinder and an air pump; a sliding isolation plate is arranged in the sampling cylinder and divides the interior of the sampling cylinder into an upper cavity and a lower cavity; the upper chamber is connected with a telescopic sleeve, and the air pump is communicated with the upper chamber through an air conveying pipe; the second water inlet pipe and the water outlet pipe are communicated with the lower cavity; the second water inlet pipe is connected with a first one-way valve and a first water inlet pipe, and a filter screen is connected in the first water inlet pipe; the water outlet pipe is provided with a second one-way valve, a wedge-shaped baffle ring and an elastic ball, the elastic ball is connected with the sliding isolation plate through a connecting rope, and the water outlet end of the water outlet pipe is movably connected with the collecting cylinder; the utility model solves the problems of inaccurate water sample collection position, water sample mixing and incapability of collecting water samples in different depth intervals at one time, and is suitable for water sample collection in water area detection.
Description
Technical Field
The utility model relates to the technical field of water area detection, in particular to an automatic water sample collection device for water area detection.
Background
The water is a life source, people cannot leave water in life and production activities, the safety of the water source is closely related to the health of the people, water area detection is an important step for evaluating the safety of the water source, when the water area detection is carried out, the water body needs to be sampled, the sampled water body sample cannot be surface water and bottom water, and the water body 0.5-1 meter below the water surface is generally collected by using a clean device for draining; the existing sampling device is generally placed in a water body by matching a rope with a collection barrel, and is lifted after the water body is estimated to sink to a proper position, and the device is convenient and quick to use, but on one hand, no physical reference object exists, the actual descent depth of the device is estimated by naked eyes, so that the water sample collection position is inaccurate, on the other hand, in the process of lifting the collection barrel after the sampling is finished, the water sample is easy to mix with the surface water of a water area, and the detection error is further enlarged; in addition, the existing sampling device can only collect water samples in one depth interval in one operation, and is inconvenient to compare and reference.
Disclosure of Invention
The utility model aims to provide an automatic water sample collecting device for water area detection, so as to solve the problems that the water sample collecting position is inaccurate, water samples are mixed and water samples in different depth intervals cannot be collected at one time.
In order to achieve the above object, the present utility model provides the following technical solutions:
the basic technical scheme provided by the utility model is as follows: the automatic water sample collecting device for water area detection comprises a sampling cylinder, wherein the sampling cylinder is connected with a rope, a second water inlet pipe, a balancing weight, a water outlet pipe, a collecting cylinder and an air pump, and a plurality of buoyancy balls are arranged on the rope in a penetrating manner; a sliding isolation plate is arranged in the sampling cylinder, the sliding isolation plate is in sliding fit with the sampling cylinder through a rubber ring, and the sliding isolation plate divides the interior of the sampling cylinder into an upper chamber and a lower chamber which are mutually independent;
the upper chamber is connected with a telescopic sleeve for supporting the sliding isolation plate, and the air pump is communicated with the upper chamber through an air conveying pipe;
the second water inlet pipe and the water outlet pipe are communicated with the lower cavity; the second water inlet pipe is connected with a first one-way valve, the other end of the first one-way valve is connected with a first water inlet pipe in a threaded manner, and a filter screen is fixedly connected in the first water inlet pipe; the inside of the water outlet pipe is sequentially provided with a wedge-shaped baffle ring and an elastic ball from top to bottom, the elastic ball is connected with the sliding isolation plate through a connecting rope, a second one-way valve is connected to the water outlet pipe below the elastic ball, and the water outlet end of the water outlet pipe is movably connected with the collecting cylinder;
the top of the collecting cylinder is provided with an exhaust valve, and the air outlet end of the exhaust valve is connected with a third one-way valve.
The principle of the basic technical scheme is as follows: under the action of gravity of the balancing weight, the elastic ball is suspended in a first depth interval while overcoming the buoyancy, the pressure in the upper chamber is smaller than the pressure in the lower chamber, the sliding isolation plate slides upwards under the action of the pressure, the lower chamber absorbs water to the outside to maintain the balance of internal air pressure, when the sliding isolation plate slides to the topmost end, the elastic ball is pulled upwards through the connecting rope, so that the elastic ball is clamped in the wedge-shaped baffle ring to form a sealing switch, water cannot flow out independently, the total weight is increased after water absorption, and the elastic ball is suspended in a second depth interval while overcoming the buoyancy;
the upper chamber is inflated, so that the internal pressure is higher than the pressure in the lower chamber, the sliding isolation plate slides downwards under the action of the pressure, the elastic ball slides out of the wedge-shaped baffle ring under the action of the pressure, water samples in a first depth interval in the lower chamber are discharged into the collecting cylinder to be collected, air suction is continued after the inflation is finished, and at the moment, the water samples in a second depth interval are sucked in the sampling cylinder;
the buoyancy ball and the balancing weight enable the sampling cylinder to be suspended in a designated water layer under the action of buoyancy.
The basic technical scheme has the beneficial effects that: under the action of the collecting cylinder, the air pump, the telescopic sleeve, the sliding isolation plate, the one-way valve and the water inlet and outlet pipe, the water body can be sampled and stored only by controlling the air pump, the automation degree of the utility model is improved, and under the combined action of the pressure intensity, the elastic ball and the wedge-shaped baffle ring, the water sample in the lower chamber is not easy to leak and is not easy to be polluted by external water, so that the collected water sample is not mixed with surface water greatly when the utility model is pulled out of the water surface, and the detection accuracy is further ensured; under the matched use of the rope, the buoyancy ball and the balancing weight, the position of the buoyancy ball on the rope is adjusted, so that the submergence depth of the collection barrel can be specified, and the sampling in an incorrect water layer is prevented; the rubber ring is convenient for the sliding isolation plate to slide and fills the gap, so that the upper cavity and the lower cavity are kept closed; under the action of the filter screen, the impurities in the water area are prevented from entering to cause the blockage of the water pipe or influence the detection result; under the action of the configuration block, the sampling cylinder cannot float upwards due to overlarge buoyancy when filled with air, so that the situation that surface water is sucked after floating upwards is prevented; under the action of the collecting cylinder, the water samples in different depth intervals are conveniently sampled and collected at one time; under the action of the third one-way valve, water is prevented from flowing backward into the exhaust valve, so that the exhaust valve can work normally under water; the water outlet pipe is movably connected with the collecting cylinder, so that the water outlet pipe is conveniently disconnected to discharge the water sample in the water tank.
Preferably, the sampling tube is connected with a pressure sensor, a first sealing ring is fixedly connected at the joint of the pressure sensor and the sampling tube, and a detection probe of the pressure sensor is also arranged in the upper cavity.
Through the arrangement, the pressure sensor can more intuitively display the pressure in the upper cavity to an operator, so that the operator can conveniently check the pressure sensor before operation, the good sealing performance is ensured, and further the normal operation of the inflation and deflation work is ensured.
Preferably, the connection part of the gas delivery pipe and the sampling cylinder is fixedly connected with a second sealing ring.
Through the arrangement, the perfect air tightness of the upper cavity is ensured, and the air leakage of the upper cavity is prevented.
Preferably, the volume of the collection canister is greater than the volume of the lower chamber.
Through the arrangement, the water sample in the initial depth range can be completely collected by the collecting cylinder, and the water sample is prevented from remaining in the lower chamber and being mixed with the water sample sucked for the second time.
Preferably, the second water inlet pipe and the water outlet pipe are both arranged at the bottom of the lower cavity.
Through the arrangement, the water inlet and the water outlet are ensured to be positioned below the sliding isolation plate all the time, and the water inlet of the upper cavity is prevented from influencing sampling.
Preferably, the telescopic length of the telescopic sleeve is not less than the height of the inside of the sampling tube.
Through above-mentioned setting, conveniently drain the water in the cavity down, prevent to influence follow-up detection.
Preferably, the telescopic sleeves are three groups, the upper ends of the three groups of telescopic sleeves are fixedly connected with the upper side wall of the sampling tube, and the lower ends of the three groups of telescopic sleeves are fixedly connected with the sliding isolation plate.
Through the arrangement, the triangular structure is stable, so that the use stability of the utility model is improved, the fixed arrangement at the two ends is convenient for stretching and contracting, and the situation of dead locking is prevented.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is an enlarged schematic view of FIG. 2 at A;
the names of the corresponding marks in the drawings are:
rope 1, buoyancy ball 2, pressure sensor 3, first sealing washer 4, upper chamber 5, telescopic tube 6, sampling tube 7, slip division board 8, lower chamber 9, second inlet tube 10, balancing weight 11, first check valve 12, first inlet tube 13, filter screen 14, second check valve 15, outlet pipe 16, rubber circle 17, second sealing washer 18, gas delivery pipe 19, air pump 20, elastic ball 21, wedge baffle 22, connecting wire 23, collection tube 24, discharge valve 25, third check valve 26.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and embodiments:
as shown in fig. 1 to 3, an automatic water sample collecting device for water area detection comprises a sampling tube 7, wherein the sampling tube 7 is connected with a collecting tube 24, a rope 1, a pressure sensor 3, a second water inlet tube 10, a balancing weight 11, a water outlet tube 16 and an air pump 20, and a plurality of buoyancy balls 2 are arranged on the rope 1 in a penetrating manner; a sliding isolation plate 8 is arranged in the sampling tube 7, the sliding isolation plate 8 is in sliding fit with the sampling tube 7 through a rubber ring 17, and the sliding isolation plate 8 divides the interior of the sampling tube 7 into an upper chamber 5 and a lower chamber 9 which are mutually independent;
three groups of telescopic sleeves 6 for supporting the sliding isolation plate 8 are connected in the upper chamber 5, the upper ends of the three groups of telescopic sleeves 6 are fixedly connected with the upper side wall of the sampling cylinder 7, the lower ends of the three groups of telescopic sleeves 6 are fixedly connected with the sliding isolation plate 8, the telescopic length of the telescopic sleeves 6 is not smaller than the height of the inside of the sampling cylinder 7, a detection probe of the pressure sensor 3 is also arranged in the upper chamber 5, an air pump 20 is communicated with the upper chamber 5 through an air conveying pipe 19, and the connection parts of the air conveying pipe 19 and the pressure sensor 3 and the sampling cylinder 7 are respectively fixedly connected with a second sealing ring 18 and a first sealing ring 4;
the second water inlet pipe 10 and the water outlet pipe 16 are communicated with the bottom of the lower chamber 9; the second water inlet pipe 10 is connected with a first one-way valve 12, the other end of the first one-way valve 12 is connected with a first water inlet pipe 13 in a threaded manner, and the first water inlet pipe 13 is fixedly connected with a filter screen 14; a wedge-shaped baffle ring 22 and an elastic ball 21 are sequentially arranged in the water outlet pipe 16 from top to bottom, the elastic ball 21 is connected with the sliding isolation plate 8 through a connecting rope 23, a second one-way valve 15 is connected to the water outlet pipe 16 positioned below the elastic ball 21, and the water outlet end of the water outlet pipe 16 is movably connected with a collecting cylinder 24;
the top of the collection cylinder 24 is provided with an exhaust valve 25, and the air outlet end of the exhaust valve 25 is connected with a third one-way valve 26.
The specific implementation process is as follows:
firstly checking the sealing performance of the buoyancy ball through the pressure sensor 3, ensuring that the position of the buoyancy ball 2 on the rope 1 is regulated after the buoyancy ball is intact, enabling the length of the rope 1 between the buoyancy ball 2 and the sampling tube 7 to be 0.5-1 meter, then throwing the sampling tube 7 into a designated water area after cleaning the buoyancy ball on the shore, sinking to a proper position in a first depth interval, starting the air pump 20 to charge air into the upper chamber 5, enabling the telescopic sleeve 6 to slide downwards, and discharging air or liquid in the lower chamber 9 from the water outlet pipe 16; after the gas or liquid is discharged, the air pump 20 is regulated to pump the gas in the upper chamber 5, the telescopic sleeve 6 slides upwards, the lower chamber 9 sucks water from the first water inlet pipe 13, the filter screen 14 keeps the impurities out, the air pump 20 is inflated again after the water sample is sucked, the sucked water sample is discharged into the collecting cylinder 24, the water sample stays slightly after the water sample is discharged, the air pump 20 sucks again when the suspension balance is reached, the water sample in the second depth interval is sucked again in the sampling cylinder 7, the internal air pressure of the sampling cylinder 7 is kept to lift the water sample out of the water surface, the connection between the water outlet pipe 16 and the collecting cylinder 24 is disconnected, the water sample discharged from the water outlet pipe 16 and the water sample in the collecting cylinder 24 are collected again, and the water samples in the two different depth intervals can be used for subsequent detection.
The foregoing is merely exemplary embodiments of the present utility model, and detailed technical solutions or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (7)
1. The utility model provides a waters detects with automatic water sample collection system, includes a sampling tube, its characterized in that: the sampling tube is connected with a rope, a second water inlet pipe, a balancing weight, a water outlet pipe, a collecting tube and an air pump, and a plurality of buoyancy balls are arranged on the rope in a penetrating manner; a sliding isolation plate is arranged in the sampling cylinder, the sliding isolation plate is in sliding fit with the sampling cylinder through a rubber ring, and the sliding isolation plate divides the interior of the sampling cylinder into an upper chamber and a lower chamber which are mutually independent;
the upper chamber is connected with a telescopic sleeve for supporting the sliding isolation plate, and the air pump is communicated with the upper chamber through an air conveying pipe;
the second water inlet pipe and the water outlet pipe are communicated with the lower cavity; the second water inlet pipe is connected with a first one-way valve, the other end of the first one-way valve is connected with a first water inlet pipe in a threaded manner, and a filter screen is fixedly connected in the first water inlet pipe; the inside of the water outlet pipe is sequentially provided with a wedge-shaped baffle ring and an elastic ball from top to bottom, the elastic ball is connected with the sliding isolation plate through a connecting rope, a second one-way valve is connected to the water outlet pipe below the elastic ball, and the water outlet end of the water outlet pipe is movably connected with the collecting cylinder;
the top of the collecting cylinder is provided with an exhaust valve, and the air outlet end of the exhaust valve is connected with a third one-way valve.
2. An automated water sample collection device for water detection as defined in claim 1 wherein: the pressure sensor is connected to the sampling tube, a first sealing ring is fixedly connected to the joint of the pressure sensor and the sampling tube, and a detection probe of the pressure sensor is also arranged in the upper cavity.
3. An automated water sample collection device for water detection as defined in claim 1 wherein: and a second sealing ring is fixedly connected at the joint of the gas conveying pipe and the sampling cylinder.
4. An automated water sample collection device for water detection as defined in claim 1 wherein: the volume of the collection cylinder is greater than the volume of the lower chamber.
5. An automated water sample collection device for water detection as defined in claim 1 wherein: the second water inlet pipe and the water outlet pipe are both arranged at the bottom of the lower cavity.
6. An automated water sample collection device for water detection as defined in claim 5 wherein: the telescopic length of the telescopic sleeve is not smaller than the height of the inside of the sampling tube.
7. An automated water sample collection device for water detection as defined in claim 6 wherein: the telescopic sleeves are three groups, the upper ends of the three groups of telescopic sleeves are fixedly connected with the upper side wall of the sampling tube, and the lower ends of the three groups of telescopic sleeves are fixedly connected with the sliding isolation plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322325527.9U CN220356746U (en) | 2023-08-29 | 2023-08-29 | Automatic water sample collection device for water area detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322325527.9U CN220356746U (en) | 2023-08-29 | 2023-08-29 | Automatic water sample collection device for water area detection |
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| Publication Number | Publication Date |
|---|---|
| CN220356746U true CN220356746U (en) | 2024-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322325527.9U Active CN220356746U (en) | 2023-08-29 | 2023-08-29 | Automatic water sample collection device for water area detection |
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| Country | Link |
|---|---|
| CN (1) | CN220356746U (en) |
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2023
- 2023-08-29 CN CN202322325527.9U patent/CN220356746U/en active Active
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