CN109115556B - River water quality detection device - Google Patents
River water quality detection device Download PDFInfo
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- CN109115556B CN109115556B CN201811229427.3A CN201811229427A CN109115556B CN 109115556 B CN109115556 B CN 109115556B CN 201811229427 A CN201811229427 A CN 201811229427A CN 109115556 B CN109115556 B CN 109115556B
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
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Abstract
The invention discloses a river water quality detection device, which comprises a support, a detection device and a sampling device, wherein the support comprises a base and a supporting rod vertically arranged on the base; the detection device comprises a shell, wherein a detection unit and a sample placing groove are arranged in the shell; the detection unit comprises a test electrode, a rotating mechanism for driving the test electrode to rotate and a lifting mechanism for driving the test electrode to move up and down; and a first lifting mechanism for driving the detection device to move up and down is also arranged. The invention provides a river water quality detection device, which integrates sampling and detection into a whole, can directly detect in the sampling process, saves detection steps and has high detection accuracy; in addition, the sampling outer pipe directly extends into the river channel for sampling, so that the influence of movement caused by water flow impact on the detection accuracy is avoided, and the detection accuracy is high.
Description
Technical Field
The invention belongs to the field of experimental instruments, and particularly relates to a riverway water quality detection device.
Background
The river water quality detection comprises the steps of sampling, inspecting and the like, the water taking position and the water taking depth of a river are both required during sampling, at present, a sampling bottle with a rope is usually placed in water for sampling, and due to the difference of water taking environments, the sampling bottle is possibly impacted by water flow in the water to generate displacement, so that the detection precision is influenced; moreover, the common sampling is carried out by the people to the river, then the sample is taken to the laboratory for detection, the test process is complex, and the accuracy of water quality detection is easily influenced due to various external factors in the transportation process.
Disclosure of Invention
The invention mainly solves the technical problem of providing the river channel water quality detection device, which integrates sampling and detection into a whole, can directly detect in the sampling process, saves the detection steps and has high detection accuracy.
In order to solve the technical problems, the invention adopts a technical scheme that: the river water quality detection device comprises a support, a detection device and a sampling device, wherein the support comprises a base and a supporting rod vertically arranged on the base, the detection device is connected with the supporting rod in a sliding mode, the sampling device is connected with the detection device, the sampling device comprises an outer sampling pipe and an inner sampling pipe, the outer sampling pipe is arranged on the outer side of the detection device, the inner sampling pipe is arranged on the inner side of the detection device, the outer sampling pipe comprises a transverse sampling pipe and a vertical sampling pipe which are perpendicular to each other, one end of the transverse sampling pipe is connected to the detection device, and the other end of the transverse sampling pipe is connected with the upper end of the vertical;
the detection device comprises a shell, wherein a detection unit and a sample placement groove are arranged in the shell, the detection unit is connected to the top of the shell, the sample placement groove is connected to the bottom of the shell, a sampling inner tube is arranged above the sample placement groove, and the sampling inner tube is fixedly connected to the side wall of the shell and communicated with a sampling outer tube;
the detection unit comprises a test electrode, a rotating mechanism for driving the test electrode to rotate and a lifting mechanism for driving the test electrode to move up and down, the rotating mechanism comprises a rotating shaft and a first air cylinder, a ratchet wheel is arranged at the upper end of the rotating shaft, the lower end of the rotating shaft penetrates through the top wall of the shell and is positioned in the shell, the ratchet wheel and the first air cylinder are both arranged outside the shell, the first air cylinder is connected with the ratchet wheel, a piston rod of the first air cylinder pushes the ratchet wheel to rotate around the axis of the first air cylinder, the ratchet wheel is also connected with a positioning rod for preventing the ratchet wheel from rotating, and the tail end; the lower end of the rotating shaft is provided with an electrode mounting body, and the test electrodes are provided with a plurality of outer side walls which are uniformly distributed on the electrode mounting body; the second lifting mechanism comprises a rail, a second sliding block and a second air cylinder, the second air cylinder is fixedly connected to the top wall of the shell and located above the sample placing groove, a plurality of sliding grooves are formed in the periphery of the electrode mounting body and correspond to the test electrodes in a one-to-one mode, the rail is arranged in each sliding groove, the test electrodes are fixedly connected to the second sliding block, the second sliding block is connected to the rail and can slide up and down along the rail, a piston rod of the second air cylinder is connected with the test electrodes, and the test electrodes can move up and down under the driving of the second air cylinder;
still be equipped with the first elevating system that the drive detection device reciprocated, first elevating system includes first slider and lead screw, first slider is fixed to be located detection device's back wall, the center of first slider has the screw, the bracing piece is located along the length direction of bracing piece to the lead screw, the screw of first slider with the lead screw meshes mutually, detection device can reciprocate along the lead screw through first slider, the lower extreme of lead screw is connected with the motor, the motor is located in the base.
Further, the periphery cover of pivot is equipped with the bearing, the pivot pass through the bearing with the roof of casing is rotated and is connected.
Furthermore, the ratchet teeth of the ratchet wheel correspond to the test electrodes one by one.
Furthermore, the number of the test electrodes is 6, and the test electrodes are respectively a temperature test electrode, a pH value test electrode, a dissolved oxygen content test electrode, a conductivity test electrode, a hardness-softness test electrode and a turbidity test electrode.
Furthermore, the sampling outer pipe and the sampling inner pipe are both hollow hard pipes.
Furthermore, the lower extreme of sample standpipe is equipped with the filter, the filter with the sample standpipe can be dismantled and be connected.
Still further, the filter includes a metal mesh filter layer.
Further, the detachable connection between the filter and the sampling standpipe is realized by a threaded connection.
Furthermore, the horizontal sampling pipe is a hollow telescopic rod; the sampling vertical pipe is a hollow telescopic rod.
Further, the sampling device is connected with a water pump.
The invention has the beneficial effects that:
the river channel water sampling device comprises a support, a detection device and a sampling device, wherein the sampling device is connected with the detection device, the detection device is arranged on the support, when in detection, the sampling position in a river channel is adjusted through a sampling transverse pipe, a first lifting mechanism and a sampling vertical pipe are used for large adjustment and fine adjustment of sampling depth, the positioning is convenient and accurate, a water pump is started, water in the river channel flows into a sample placing groove along an outer sampling pipe and an inner sampling pipe, a second cylinder firstly pushes a testing needle of one testing electrode to extend into the sample placing groove for testing, after staying for several seconds, a piston rod of the first cylinder pushes a ratchet wheel to enable a rotating shaft to rotate by an angle, the next testing electrode is aligned with the sample placing groove, and then the second cylinder pushes the testing needle of the testing electrode to extend into the sample placing groove for testing, and the steps; the invention combines sampling and detection into a whole, can directly detect in the sampling process, saves the detection steps and has high detection accuracy; in addition, the sampling outer pipe directly extends into the river channel for sampling, and the sampling outer pipe is a hollow hard pipe, so that the influence of movement caused by water flow impact on the detection accuracy is avoided, and the detection accuracy is high;
preferably, the lower end of the sampling vertical pipe is provided with a filter, and the filter comprises a metal mesh filter layer for blocking sand and mud in river water and avoiding influencing the detection result; and the filter can be dismantled with the sample standpipe and be connected, conveniently changes and maintains.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of A1 of FIG. 1 in accordance with the present invention;
fig. 3 is a schematic structural view of the rotating mechanism of the present invention;
FIG. 4 is a first schematic structural view of an electrode mounting body according to the present invention;
FIG. 5 is an enlarged view of A2 in FIG. 4;
FIG. 6 is a second schematic structural view of the electrode assembly of the present invention;
the parts in the drawings are marked as follows:
the device comprises a bracket 1, a base 11, a support rod 12, a detection device 2, a housing 21, a sample placing groove 211, a test electrode 212, an electrode main body 2121, a test needle 2122, a rotating shaft 213, a first air cylinder 214, a shift rod 2141, a first inclined surface 2142, a ratchet wheel 215, a ratchet 2151, a front surface 2152, a back surface 2153, a positioning rod 216, a second inclined surface 2161, a rail 217, a second slider 218, a second air cylinder 219, a spring 22, an electrode mounting body 23, a sampling outer tube 31, a sampling transverse tube 311, a sampling vertical tube 312, a sampling inner tube 32, a sampling device 3, a lead screw 4 and a filter 5.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Example (b): a river water quality detection device is shown in figures 1 to 6 and comprises a support 1, a detection device 2 and a sampling device 3, wherein the support comprises a base 11 and a supporting rod 12 vertically arranged on the base, the detection device is connected with the supporting rod in a sliding manner, the sampling device is connected with the detection device, the sampling device comprises an outer sampling tube 31 and an inner sampling tube 32, the outer sampling tube is arranged on the outer side of the detection device, the inner sampling tube is arranged on the inner side of the detection device, the outer sampling tube comprises a transverse sampling tube 311 and a vertical sampling tube 312 which are perpendicular to each other, one end of the transverse sampling tube is connected with the detection device, the other end of the transverse sampling tube is connected with the upper end of the vertical sampling tube, and the lower end of the vertical sampling;
the detection device comprises a shell 21, wherein a detection unit and a sample placement groove 211 are arranged in the shell, the detection unit is connected to the top of the shell, the sample placement groove is connected to the bottom of the shell, a sampling inner pipe 32 is arranged above the sample placement groove, the sampling inner pipe is fixedly connected to the side wall of the shell and is communicated with a sampling outer pipe, and when sampling is carried out, water in a river channel flows into the sample placement groove along the sampling outer pipe and the sampling inner pipe;
the detection unit comprises a test electrode 212, a rotating mechanism for driving the test electrode to rotate and a lifting mechanism for driving the test electrode to move up and down, the rotating mechanism comprises a rotating shaft 213 and a first air cylinder 214, a ratchet wheel 215 is arranged at the upper end of the rotating shaft, the lower end of the rotating shaft penetrates through the top wall of the shell and is positioned in the shell, the ratchet wheel and the first air cylinder are both arranged outside the shell, a piston rod of the first air cylinder 214 is connected with a shift lever 2141, the shift lever is connected with a ratchet 2151 of the ratchet wheel, the forward rotation direction of the ratchet wheel is defined as the forward direction, the ratchet wheel comprises a front face 2152 and a back face 2153, the contact surface between one end of the shift lever close to the ratchet wheel and the front face of the ratchet wheel is a first inclined plane 2142, the advantage of the first inclined plane is that the shift lever cannot block continuous forward rotation in the process of, the ratchet wheel is further connected with a positioning rod 216 for preventing the ratchet wheel from rotating, the tail end of the positioning rod is fixed to the shell through a spring 22, the contact surface between the free end of the positioning rod and the front face of the ratchet is a second inclined surface 2161, the second inclined surface has the advantages that the positioning rod can prevent the ratchet wheel from rotating but cannot prevent the ratchet wheel from continuing to rotate positively, and the ratchet wheel cannot be influenced by the positioning rod due to the flexibility of the spring, so that the rotation is smoother and more continuous; the lower end of the rotating shaft is provided with an electrode mounting body 23, and the test electrodes are provided with a plurality of outer side walls which are uniformly distributed on the electrode mounting body; the second lifting mechanism comprises a track 217, a second slider 218 and a second cylinder 219, the second cylinder is fixedly connected to the top wall of the shell and located above the sample placement groove, a plurality of sliding grooves are formed in the periphery of the electrode mounting body, the sliding grooves correspond to the test electrodes one to one, the track is arranged in the sliding grooves, the test electrodes are fixedly connected to the second slider, the second slider is connected to the track and can slide up and down along the track, a piston rod of the second cylinder is connected with the test electrodes, and the test electrodes can move up and down under the driving of the second cylinder;
still be equipped with the first elevating system that the drive detection device reciprocated, first elevating system includes first slider and lead screw 4, first slider is fixed to be located detection device's back wall, the center of first slider has the screw, the bracing piece is located along the length direction of bracing piece to the lead screw, the screw of first slider with the lead screw meshes mutually, detection device can reciprocate along the lead screw through first slider, the lower extreme of lead screw is connected with motor (not shown), the motor is located in the base.
The periphery cover of pivot is equipped with the bearing, the pivot pass through the bearing with the roof of casing rotates to be connected.
The ratchets of the ratchet wheel correspond to the test electrodes one by one.
The test electrodes are provided with 6 test electrodes which are respectively a temperature test electrode, a PH value test electrode, a dissolved oxygen content test electrode, a conductivity test electrode, a hardness test electrode and a turbidity test electrode.
The sampling outer pipe and the sampling inner pipe are both hollow hard pipes.
The lower extreme of sample standpipe is equipped with filter 5, the filter with the sample standpipe can be dismantled and be connected.
The filter and the sampling vertical pipe are detachably connected through threads.
Preferably, the filter comprises a metal mesh filter layer.
The horizontal sampling pipe is a hollow telescopic rod; the sampling vertical pipe is a hollow telescopic rod.
The sampling device is connected with a water pump (not shown).
The test electrode comprises a motor body 2121 and a test needle 2122, and during testing, the test needle extends into the sample placing groove to test a sample.
The working process and working principle of the invention are as follows:
during detection, the bracket is fixed on a river bank, the sampling position of the sampling transverse pipe in a river channel is adjusted, the first lifting mechanism and the sampling vertical pipe are used for adjusting the sampling depth greatly and finely, the positioning is convenient and accurate, the water pump is started, water in the river channel flows into the sample placing groove along the sampling outer pipe and the sampling inner pipe, the second cylinder firstly pushes the testing needle of one testing electrode to extend into the sample placing groove for testing, after the water pump stays for a few seconds, the first cylinder pushes the ratchet wheel to enable the rotating shaft to rotate by an angle, the next testing electrode is aligned with the sample placing groove, then the second cylinder pushes the testing needle of the testing electrode to extend into the sample placing groove for testing, and the steps are repeated until all the testing electrodes are tested; the invention combines sampling and detection into a whole, can directly detect in the sampling process, saves the detection steps and has high detection accuracy; in addition, the sampling outer pipe directly extends into the river channel for sampling, and the sampling outer pipe is a hollow hard pipe, so that the influence of movement caused by water flow impact on the detection accuracy is avoided, and the detection accuracy is high.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a river course water quality testing device which characterized in that: the device comprises a support (1), a detection device (2) and a sampling device (3), wherein the support comprises a base (11) and a supporting rod (12) vertically arranged on the base, the detection device is in sliding connection with the supporting rod, the sampling device is connected with the detection device, the sampling device comprises an outer sampling tube (31) and an inner sampling tube (32), the outer sampling tube is arranged on the outer side of the detection device, the inner sampling tube is arranged on the inner side of the detection device, the outer sampling tube comprises a transverse sampling tube (311) and a vertical sampling tube (312) which are perpendicular to each other, one end of the transverse sampling tube is connected with the detection device, and the other end of the transverse sampling tube is connected with the upper;
the detection device comprises a shell (21), wherein a detection unit and a sample placing groove (211) are arranged in the shell, the detection unit is connected to the top of the shell, the sample placing groove is connected to the bottom of the shell, a sampling inner tube (32) is arranged above the sample placing groove, and the sampling inner tube is fixedly connected to the side wall of the shell and communicated with a sampling outer tube;
the detection unit comprises a test electrode (212), a rotating mechanism and a lifting mechanism, wherein the rotating mechanism drives the test electrode to rotate, the lifting mechanism drives the test electrode to move up and down, the rotating mechanism comprises a rotating shaft (213) and a first air cylinder (214), a ratchet wheel (215) is arranged at the upper end of the rotating shaft, the lower end of the rotating shaft penetrates through the top wall of the shell and is located in the shell, the ratchet wheel and the first air cylinder are both arranged outside the shell, the first air cylinder is connected with the ratchet wheel, a piston rod of the first air cylinder pushes the ratchet wheel to rotate around the axis of the ratchet wheel, the ratchet wheel is also connected with a positioning rod (216) for preventing the ratchet wheel from rotating; the lower end of the rotating shaft is provided with an electrode mounting body (23), and the test electrodes are provided with a plurality of outer side walls which are uniformly distributed on the electrode mounting body; the second lifting mechanism comprises a track (217), a second sliding block (218) and a second air cylinder (219), the second air cylinder is fixedly connected to the top wall of the shell and located above the sample placing groove, a plurality of sliding grooves are formed in the periphery of the electrode mounting body and correspond to the test electrodes one to one, the track is arranged in each sliding groove, the test electrodes are fixedly connected to the second sliding block, the second sliding block is connected to the track and can slide up and down along the track, a piston rod of the second air cylinder is connected with the test electrodes, and the test electrodes can move up and down under the driving of the second air cylinder;
the detection device is characterized by also comprising a first lifting mechanism for driving the detection device to move up and down, wherein the first lifting mechanism comprises a first sliding block and a lead screw (4), the first sliding block is fixedly arranged on the rear wall of the detection device, a screw hole is formed in the center of the first sliding block, the lead screw is arranged on the support rod along the length direction of the support rod, the screw hole of the first sliding block is meshed with the lead screw, the detection device can move up and down along the lead screw through the first sliding block, the lower end of the lead screw is connected with a motor, and the motor is arranged in the base;
the number of the test electrodes is 6, and the test electrodes are respectively a temperature test electrode, a PH value test electrode, a dissolved oxygen content test electrode, a conductivity test electrode, a hardness test electrode and a turbidity test electrode;
the lower extreme of sample standpipe is equipped with filter (5), the filter with the sample standpipe can be dismantled and be connected.
2. The river water quality detection device according to claim 1, wherein: the periphery cover of pivot is equipped with the bearing, the pivot pass through the bearing with the roof of casing rotates to be connected.
3. The river water quality detection device according to claim 1, wherein: the ratchets of the ratchet wheel correspond to the test electrodes one by one.
4. The river water quality detection device according to claim 1, wherein: the sampling outer pipe and the sampling inner pipe are both hollow hard pipes.
5. The river water quality detection device according to claim 1, wherein: the filter includes a metal mesh filtration layer.
6. The river water quality detection device according to claim 1, wherein: the filter and the sampling vertical pipe are detachably connected through threads.
7. The river water quality detection device according to claim 1, wherein: the horizontal sampling pipe is a hollow telescopic rod; the sampling vertical pipe is a hollow telescopic rod.
8. The river water quality detection device according to claim 1, wherein: the sampling device is connected with a water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811229427.3A CN109115556B (en) | 2018-10-22 | 2018-10-22 | River water quality detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811229427.3A CN109115556B (en) | 2018-10-22 | 2018-10-22 | River water quality detection device |
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| CN109115556A CN109115556A (en) | 2019-01-01 |
| CN109115556B true CN109115556B (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811229427.3A Active CN109115556B (en) | 2018-10-22 | 2018-10-22 | River water quality detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113029690B (en) * | 2021-03-11 | 2022-08-12 | 江苏国鹰环境科技有限公司 | River course water sampling test equipment convenient to adjust sample position |
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| DE29607630U1 (en) * | 1996-04-26 | 1996-08-08 | Dr. Jungbauer + Partner Umwelt Consult GmbH, 70499 Stuttgart | Groundwater test device |
| CN202648999U (en) * | 2012-04-17 | 2013-01-02 | 北京联合大学 | Water pollution monitoring automatic sampling decision system and sampling device |
| CN202736876U (en) * | 2012-08-16 | 2013-02-13 | 株洲市德光设备制造有限责任公司 | Gas exhauster automatic loading mechanism |
| CN103245704A (en) * | 2013-05-02 | 2013-08-14 | 中国科学院合肥物质科学研究院 | Automatic electrode replacing device of online heavy metal analyzer |
| CN206504899U (en) * | 2017-03-06 | 2017-09-19 | 浙江瑞雪环保科技有限公司 | A kind of sampling of water quality detection means |
| CN207000501U (en) * | 2017-05-23 | 2018-02-13 | 龚鹏鹏 | A kind of water quality detection sample collection car |
| CN107796667A (en) * | 2017-12-11 | 2018-03-13 | 百奥森（江苏）食品安全科技有限公司 | A kind of safe water quality detection sampler |
| CN107884540A (en) * | 2017-12-19 | 2018-04-06 | 苏州市瑞川尔自动化设备有限公司 | Sampling of water quality detection means is used in a kind of environmental protection |
-
2018
- 2018-10-22 CN CN201811229427.3A patent/CN109115556B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29607630U1 (en) * | 1996-04-26 | 1996-08-08 | Dr. Jungbauer + Partner Umwelt Consult GmbH, 70499 Stuttgart | Groundwater test device |
| CN202648999U (en) * | 2012-04-17 | 2013-01-02 | 北京联合大学 | Water pollution monitoring automatic sampling decision system and sampling device |
| CN202736876U (en) * | 2012-08-16 | 2013-02-13 | 株洲市德光设备制造有限责任公司 | Gas exhauster automatic loading mechanism |
| CN103245704A (en) * | 2013-05-02 | 2013-08-14 | 中国科学院合肥物质科学研究院 | Automatic electrode replacing device of online heavy metal analyzer |
| CN206504899U (en) * | 2017-03-06 | 2017-09-19 | 浙江瑞雪环保科技有限公司 | A kind of sampling of water quality detection means |
| CN207000501U (en) * | 2017-05-23 | 2018-02-13 | 龚鹏鹏 | A kind of water quality detection sample collection car |
| CN107796667A (en) * | 2017-12-11 | 2018-03-13 | 百奥森（江苏）食品安全科技有限公司 | A kind of safe water quality detection sampler |
| CN107884540A (en) * | 2017-12-19 | 2018-04-06 | 苏州市瑞川尔自动化设备有限公司 | Sampling of water quality detection means is used in a kind of environmental protection |
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