CN110836792A - Layered water sample extraction and detection device for water area environment protection detection - Google Patents
Layered water sample extraction and detection device for water area environment protection detection Download PDFInfo
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- CN110836792A CN110836792A CN201911237294.9A CN201911237294A CN110836792A CN 110836792 A CN110836792 A CN 110836792A CN 201911237294 A CN201911237294 A CN 201911237294A CN 110836792 A CN110836792 A CN 110836792A
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- water sample
- sampling
- working rod
- guide wire
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
Abstract
The invention discloses a layered water sample extraction and detection device for water area environment protection detection, which comprises a central control device, a main guide wire, a temperature measurement sensing probe, a micro air pump, a branch guide wire and a water sample sampling cylinder, wherein the main guide wire is arranged on the outer side of the central control device, the other end of the main guide wire is connected with a working box, a working rod is fixed on the lower side of the working box, a scale mark is arranged on the outer side surface of the working rod, the micro air pump is fixedly arranged inside the working box, the main guide wire and a vent pipe are connected to the outer side of the working rod, the branch guide wire is connected to the main guide wire in a branching mode, the temperature measurement sensing probe is connected to the lower portion of the branch guide wire, a connecting piece is arranged on the working rod, and. This waters environmental protection detects with layered water sample extraction detection device can make and fold between two work bars to can make things convenient for receiving and releasing of work bar, improve the availability factor of work bar, also avoid the harmful effects that the work bar overlength brought.
Description
Technical Field
The invention relates to the technical field of water area environment protection detection, in particular to a layered water sample extraction and detection device for water area environment protection detection.
Background
Waters environmental protection detects, thinks of as the name just carries out data detection process to the environment in waters, because people more and more regard to the ecological environment quality in waters at present, so often can carry out environmental protection detection achievement to some specific waters, and in waters environmental protection testing process, can use some detection device, though there are many different kinds of detection device at present, but some are to water sampling detection device's use, still have certain problem.
For example, some water sampling test device is only the simple water sampling work that carries on, can carry out single sampling work moreover, just so can very big reduction the efficiency of water sampling work, simultaneously because the degree of depth that water sampling work required is different, just can lead to some sampling device to have the overlength, the inconvenient problem of using.
Therefore, we propose a layered water sample extraction and detection device for environmental protection detection of water areas, so as to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a layered water sample extraction and detection device for water area environmental protection detection, which solves the problems that the existing water sampling and detection device provided by the background technology can only perform single sampling work, so that the efficiency of water body sampling work is extremely low, and meanwhile, some sampling devices are too long in length and inconvenient to use.
In order to achieve the purpose, the invention provides the following technical scheme: a layered water sample extraction and detection device for water area environment protection detection comprises a central control device, a main guide wire, a temperature measurement sensing probe, a micro air pump, a branch guide wire and a water sample sampling cylinder, wherein the main guide wire is arranged on the outer side of the central control device, the other end of the main guide wire is connected with a working box, a working rod is fixed on the lower side of the working box, a scale mark is arranged on the outer side surface of the working rod, a sampling connecting port and the temperature measurement sensing probe are fixedly arranged on the outer side of the working rod, the micro air pump is fixedly arranged in the working box, the outer side of the working rod is connected with the main guide wire and a vent pipe, the lower end of the vent pipe is connected with the sampling connecting port, the branch guide wire is connected onto the main guide wire in a branching mode, the lower part of the branch guide wire is connected with the temperature measurement sensing probe, a connecting sheet is arranged on the, the upper end side of water sample sampler barrel is connected with and is provided with threaded connection head, and threaded connection head's the outside is connected with the sample connector.
Preferably, the central control device is electrically connected with the temperature measuring sensing probe and the micro air pump through the main guide wire and the branch guide wire.
Preferably, be fixed connection between work box and the work pole, and the width of work box equals the diameter of work pole, and the length of work box equals 3 times of work pole diameter.
Preferably, the working rods and the connecting pieces are of an integrated structure, the working rods form a rotating structure through hexagon socket head cap bolts on the connecting pieces, and the rotating angle of the working rods is 180 degrees.
Preferably, the sampling connectors on the working rod are communicated with the miniature air pump through vent pipes, and the temperature measuring sensing probes on the working rod are connected with the central control device through main guide lines and branch guide lines.
Preferably, the sampling connecting port and the temperature measuring sensing probe are symmetrically arranged on the outer side of the working rod, the sampling connecting port, the temperature measuring sensing probe and the working rod are in sealing connection, and the sampling connecting port and the temperature measuring sensing probe are in one-to-one correspondence with each other in position on the working rod.
Preferably, the hexagon socket head cap screw passes through the connecting piece on 2 working levers and is connected with the nut, and the nut is inlayed in the connecting piece.
Preferably, the sealing plug is made of rubber material, the outer side of the sealing plug is fixedly connected to the outer side of the sampling connecting port, and the front end of the sealing plug is embedded into the sampling connecting port to form a sealing structure with the sampling connecting port.
Preferably, threaded connection head and water sample sampling section of thick bamboo structure as an organic whole, and threaded connection head sets up perpendicularly in the upper end side of water sample sampling section of thick bamboo to be threaded connection between threaded connection head and the sample connector.
Compared with the prior art, the invention has the beneficial effects that: the layered water sample extraction and detection device for water area environmental protection detection;
(1) the connecting pieces, the inner hexagon bolts and the nuts are arranged on the working rods, and the two working rods can be folded through the arrangement of the inner hexagon bolts and the nuts, so that the working rods can be conveniently folded and unfolded, the use efficiency of the working rods is improved, adverse effects caused by overlong working rods are avoided, and meanwhile, due to the existence of the inner hexagon bolts and the nuts, the connecting state between the two working rods can be fixed, and the working state stability of the working rods is ensured;
(2) the working rod is provided with the sampling connecting ports and the temperature measuring sensing probes, and the sampling connecting ports and the temperature measuring sensing probes are in one-to-one correspondence in position, so that the real temperature of a water body sample can be detected differently in the sampling process, the accuracy of detection data is ensured, meanwhile, as the working rod is provided with a plurality of groups of sampling connecting ports and temperature measuring sensing probes, the sampling work can be simultaneously carried out on water bodies with different depths, the efficiency of the water body sampling work is improved, and the use value of the device can be highlighted;
(3) install on the sample connector and seal the stopper, can avoid other sample connectors to appear leaking gas and leaking the condition of leaking water when not using, and then can guarantee the safe normal of device water sample work, simultaneously in water sample working process, the outside of sample connector still is provided with the water sample sampling tube, alright install the sample connector with making the water sample sampling tube on, carry out the synchronous sample work in many places of water, improved the use value of device.
Drawings
FIG. 1 is a schematic overall front view of the present invention;
FIG. 2 is a schematic view of the internal structure of the work box of the present invention;
FIG. 3 is a schematic top view of the working rod joint according to the present invention;
FIG. 4 is a side view of the working rod joint according to the present invention;
FIG. 5 is a schematic view of the working rod unfolding connection structure of the present invention;
FIG. 6 is a schematic top sectional view of a working rod according to the present invention;
FIG. 7 is a schematic side sectional view of a working rod according to the present invention;
fig. 8 is a schematic view of a connection structure of the water sample sampling cylinder and the sampling connection port according to the present invention.
In the figure: 1. a central control device; 2. a main conductor; 3. a working box; 4. a working lever; 5. scale lines; 6. a sampling connection port; 7. a temperature measurement sensing probe; 8. connecting sheets; 9. a micro air pump; 10. a breather pipe; 11. a branch wire; 12. a hexagon socket head cap screw; 13. a nut; 14. sealing the plug; 15. a threaded connector; 16. a water sample sampling tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a layered water sample extraction and detection device for water area environmental protection detection comprises a central control device 1, a main guide line 2, a working box 3, a working rod 4, a scale mark 5, a sampling connecting port 6, a temperature measurement sensing probe 7, a connecting sheet 8, a micro air pump 9, an air pipe 10, a branch guide line 11, an inner hexagon bolt 12, a nut 13, a sealing plug 14, a threaded connecting head 15 and a water sample sampling cylinder 16, wherein the main guide line 2 is arranged on the outer side of the central control device 1, the other end of the main guide line 2 is connected with the working box 3, the working rod 4 is fixed on the lower side of the working box 3, the scale mark 5 is arranged on the outer side surface of the working rod 4, the sampling connecting port 6 and the temperature measurement sensing probe 7 are fixedly arranged on the outer side of the working rod 4, the micro air pump 9 is fixedly arranged inside the working box 3, the main guide line 2 and the air pipe 10 are connected on the, a branch conductor 11 is connected to the main conductor 2 in a tapping mode, the lower portion of the branch conductor 11 is connected with a temperature measuring sensing probe 7, a connecting piece 8 is arranged on the working rod 4, an inner hexagonal bolt 12 and a nut 13 are installed on the connecting piece 8, a sealing plug 14 is fixedly installed on the sampling connecting port 6, a threaded connector 15 is connected to the side edge of the upper end of the water sample sampling cylinder 16, and the outer side of the threaded connector 15 is connected with the sampling connecting port 6.
The central control device 1 is electrically connected with the temperature measuring sensing probe 7 and the micro air pump 9 through the main guide wire 2 and the branch guide wire 11, and can control the device to automatically sample water, so that the water sampling work efficiency is guaranteed.
For fixed connection between work box 3 and the work lever 4, and the width of work box 3 equals the diameter of work lever 4, and the length of work box 3 equals 3 times of the 4 diameters of work lever, can make things convenient for work lever 4 and work box 3 to receive together, has also reduced the produced harmful effects of work box 3.
Be integrated structure between work rod 4 and the connection piece 8, and work rod 4 constitutes rotating-structure each other through hexagon socket head cap screw 12 on the connection piece 8, and work rod 4 turned angle each other is 180, can guarantee that work rod 4 can be stable each other fold up and expand work, has improved work rod 4's availability factor, should avoid work rod 4 because of the harmful effects that the size overlength led to the fact simultaneously.
The sampling connector 6 on the working rod 4 is communicated with the miniature air pump 9 through the vent pipe 10, and the temperature measuring sensing probe 7 on the working rod 4 is connected with the central control device 1 through the main guide wire 2 and the branch guide wire 11, so that the sampling connector 6 can be ensured to be capable of normally performing air extraction sampling work, and meanwhile, the normal performance of water temperature detection work can be ensured.
Hexagon socket head cap screw 12 runs through connection piece 8 on 2 work bars 4 and is connected with nut 13, and nut 13 inlays in connection piece 8, can guarantee 2 stability of connection state between the work bar 4 to guarantee the safety in utilization of work bar 4.
Threaded connection head 15 and water sample sampler barrel 16 be integral structure, and threaded connection head 15 sets up perpendicularly in the upper end side of water sample sampler barrel 16 to be threaded connection between threaded connection head 15 and the sample connector 6, can make things convenient for the normal connection work of water sample sampler barrel 16 and sample connector 6, also made things convenient for the sample work of water sample sampler barrel 16 to the water simultaneously, improved the job stabilization nature of device.
The working principle of the embodiment is as follows: when the layered water sample extraction and detection device for water area environment protection detection is used, firstly, according to the figure 1, the central control device 1 and the working rods 4 are carried to be positioned at a water body sampling position, then the working rods 4 are unfolded, as shown in the figures 3-6, 2 working rods 4 are directly rotated to be in a straight state through the connecting pieces 8 and the hexagon socket head cap bolts 12, after the working rods 4 are unfolded, the hexagon socket head cap bolts 12 can be rotated, the connecting pieces 8 on the 2 working rods 4 are locked through the hexagon socket head cap bolts 12 and the nuts 13, the unfolded state of the working rods 4 can be fixed, and therefore, the preparation work before the working rods 4 are used is completed;
after the working rod 4 is unfolded, a water sample sampling cylinder 16 needs to be installed on the sampling connecting port 6 on the working rod 4, firstly, the installation position of the water sample sampling cylinder 16 needs to be determined according to the scale marks 5 on the working rod 4, so that synchronous sampling work of water bodies with different depths can be carried out, after the installation position on the working rod 4 is determined, as shown in fig. 7-8, a sealing plug 14 on the corresponding sampling connecting port 6 is taken down, and meanwhile, the water sample sampling cylinder 16 can be installed on the corresponding sampling connecting port 6 through a threaded connector 15;
after the water sample sampling tube 16 is arranged on the working rod 4, the working rod 4 can be vertically inserted into water, the approximate depth of the water sample sampling tube 16 is determined through the scale mark 5, after the water sample sampling tube 16 reaches a sampling position along with the working rod 4, the device is connected with an external power supply according to the graph shown in figure 1-2, the work of the temperature measurement sensing probe 7 and the micro air pump 9 can be controlled through the central control device 1, the temperature measurement sensing probe 7 can detect the water temperature of the position of the water sample sampling tube 16 in real time, the temperature data is displayed on the central control device 1 to be recorded, the micro air pump 9 can extract air through the air pipe 10, the water sampling tube 16 can absorb water, water samples with different depths can be extracted, after the sample extraction work is finished, the working rod 4 is extracted, and the water sample sampling tube 16 on the working rod 4 is detached at the same time, because the water sample is arranged in the water sample sampling tube 16, the water suction port is blocked when the water sample sampling tube 16 is dismounted, so that the sample is prevented from spilling out, the working rod 4 can be folded according to the above manner after the water sample sampling tube 16 is dismounted, and the using process of the device is completed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a waters environmental protection detects with layer-stepping water sample extraction detection device, includes central control device (1), main wire (2), temperature measurement sensing probe (7), miniature air pump (9), branch wire (11) and water sample sampling tube (16), its characterized in that: the outer side of the central control device (1) is provided with a main guide line (2), the other end of the main guide line (2) is connected with a working box (3), a working rod (4) is fixed on the lower side of the working box (3), scale marks (5) are arranged on the outer side surface of the working rod (4), a sampling connector (6) and a temperature measuring sensing probe (7) are fixedly arranged on the outer side of the working rod (4), a micro air pump (9) is fixedly arranged inside the working box (3), the outer side of the working rod (4) is connected with the main guide line (2) and a vent pipe (10), the lower end of the vent pipe (10) is connected with the sampling connector (6), a branch guide line (11) is branched on the main guide line (2), the lower part of the branch guide line (11) is connected with the temperature measuring sensing probe (7), a connecting sheet (8) is arranged on the working rod (4), and an inner hexagon bolt (12) and a nut (13), fixed mounting has sealing plug (14) on sample connector (6), the upper end side of water sample sampler barrel (16) is connected with and is provided with threaded connection head (15), and the outside of threaded connection head (15) is connected with sample connector (6).
2. The layered water sample extraction and detection device for environmental protection detection of water areas as claimed in claim 1, wherein: the central control device (1) is electrically connected with the temperature measuring sensing probe (7) and the micro air pump (9) through the main guide wire (2) and the branch guide wire (11).
3. The layered water sample extraction and detection device for environmental protection detection of water areas as claimed in claim 1, wherein: the working box (3) is fixedly connected with the working rod (4), the width of the working box (3) is equal to the diameter of the working rod (4), and the length of the working box (3) is equal to 3 times of the diameter of the working rod (4).
4. The layered water sample extraction and detection device for environmental protection detection of water areas as claimed in claim 1, wherein: the working rods (4) and the connecting pieces (8) are of an integrated structure, the working rods (4) mutually form a rotating structure through the hexagon socket head cap screws (12) on the connecting pieces (8), and the rotating angle of the working rods (4) is 180 degrees.
5. The layered water sample extraction and detection device for environmental protection detection of water areas as claimed in claim 1, wherein: the sampling connecting port (6) on the working rod (4) is communicated with the miniature air pump (9) through an air pipe (10), and the temperature measuring sensing probe (7) on the working rod (4) is connected with the central control device (1) through the main guide wire (2) and the branch guide wire (11).
6. The layered water sample extraction and detection device for environmental protection detection of water areas as claimed in claim 1, wherein: the sampling connecting port (6) and the temperature measuring sensing probe (7) are symmetrically arranged on the outer side of the working rod (4), the sampling connecting port (6) and the temperature measuring sensing probe (7) are in sealing connection with the working rod (4), and the sampling connecting port (6) and the temperature measuring sensing probe (7) are in one-to-one correspondence with each other in positions on the working rod (4).
7. The layered water sample extraction and detection device for environmental protection detection of water areas as claimed in claim 1, wherein: the inner hexagon bolt (12) penetrates through the connecting piece (8) on the 2 working rods (4) and is connected with the nut (13), and the nut (13) is embedded in the connecting piece (8).
8. The layered water sample extraction and detection device for environmental protection detection of water areas as claimed in claim 1, wherein: the sealing plug (14) is made of rubber materials, the outer side of the sealing plug (14) is fixedly connected to the outer side of the sampling connecting port (6), and the front end of the sealing plug (14) is embedded into the sampling connecting port (6) and forms a sealing structure with the sampling connecting port.
9. The layered water sample extraction and detection device for environmental protection detection of water areas as claimed in claim 1, wherein: threaded connection head (15) and water sample sampling tube (16) structure as an organic whole, and threaded connection head (15) set up perpendicularly in the upper end side of water sample sampling tube (16) to be threaded connection between threaded connection head (15) and sample connector (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911237294.9A CN110836792A (en) | 2019-12-05 | 2019-12-05 | Layered water sample extraction and detection device for water area environment protection detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911237294.9A CN110836792A (en) | 2019-12-05 | 2019-12-05 | Layered water sample extraction and detection device for water area environment protection detection |
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| CN110836792A true CN110836792A (en) | 2020-02-25 |
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| CN201911237294.9A Pending CN110836792A (en) | 2019-12-05 | 2019-12-05 | Layered water sample extraction and detection device for water area environment protection detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049315A (en) * | 2021-03-24 | 2021-06-29 | 安徽中青检验认证服务有限公司 | Device and method for detecting water environment quality |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2584355A1 (en) * | 2011-10-20 | 2013-04-24 | Institut Français des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux | Acquisition device for taking measurements and/or collecting samples from a liquid |
| CN207197860U (en) * | 2017-08-16 | 2018-04-06 | 吕杰 | A kind of hydraulic engineering water quality sampling device |
| CN108318296A (en) * | 2018-05-03 | 2018-07-24 | 南京信息工程大学 | A kind of unmanned boat water quality sampling device |
| CN208026497U (en) * | 2017-12-03 | 2018-10-30 | 曹练明 | The tool that contaminant water can be used for quickly detecting and sampled |
| CN208125446U (en) * | 2018-04-30 | 2018-11-20 | 安徽古井贡酒股份有限公司 | A kind of novel and multifunctional fluid sampling device |
| CN209400269U (en) * | 2018-11-16 | 2019-09-17 | 李斌 | A kind of environmental monitoring water-quality sampler |
-
2019
- 2019-12-05 CN CN201911237294.9A patent/CN110836792A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2584355A1 (en) * | 2011-10-20 | 2013-04-24 | Institut Français des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux | Acquisition device for taking measurements and/or collecting samples from a liquid |
| CN207197860U (en) * | 2017-08-16 | 2018-04-06 | 吕杰 | A kind of hydraulic engineering water quality sampling device |
| CN208026497U (en) * | 2017-12-03 | 2018-10-30 | 曹练明 | The tool that contaminant water can be used for quickly detecting and sampled |
| CN208125446U (en) * | 2018-04-30 | 2018-11-20 | 安徽古井贡酒股份有限公司 | A kind of novel and multifunctional fluid sampling device |
| CN108318296A (en) * | 2018-05-03 | 2018-07-24 | 南京信息工程大学 | A kind of unmanned boat water quality sampling device |
| CN209400269U (en) * | 2018-11-16 | 2019-09-17 | 李斌 | A kind of environmental monitoring water-quality sampler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049315A (en) * | 2021-03-24 | 2021-06-29 | 安徽中青检验认证服务有限公司 | Device and method for detecting water environment quality |
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Application publication date: 20200225 |
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