CN108844584A - A kind of device for the dynamic layered environmental monitoring of farmland water quality - Google Patents

A kind of device for the dynamic layered environmental monitoring of farmland water quality Download PDF

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Publication number
CN108844584A
CN108844584A CN201810707647.6A CN201810707647A CN108844584A CN 108844584 A CN108844584 A CN 108844584A CN 201810707647 A CN201810707647 A CN 201810707647A CN 108844584 A CN108844584 A CN 108844584A
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CN
China
Prior art keywords
fixed
water quality
cabinet
environmental monitoring
dynamic layered
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810707647.6A
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Chinese (zh)
Inventor
叶剑鸣
印金汝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Bi Song Data Technology Co Ltd
Original Assignee
Hefei Bi Song Data Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201810707647.6A priority Critical patent/CN108844584A/en
Publication of CN108844584A publication Critical patent/CN108844584A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

The invention discloses a kind of devices for the dynamic layered environmental monitoring of farmland water quality, it is related to water quality monitoring technical field, including cabinet, the bottom of cabinet is fixed with idler wheel, headlamp is respectively fixed at the top of cabinet, first alarm device and solar panels, the first display screen and handle are respectively fixed on the front of cabinet, the top of the first display screen is arranged in handle, paper placing groove is fixed on the left side of cabinet, comparison card is fixed in paper placing groove, guide rail is fixed on the right side of cabinet, electronic sliding block is slidably connected in guide rail, the side of electronic sliding block is fixed with tripod, electric telescopic rod is fixed at the top of tripod.The present invention solves traditional farmland water quality and is difficult to realize dynamic layered monitoring, and be difficult to the problem of remotely controlling by setting water quality monitor, solar powered module, remote computer terminal and electronic sliding block.

Description

A kind of device for the dynamic layered environmental monitoring of farmland water quality
Technical field
The present invention relates to water quality monitoring technical field, specially a kind of dress for the dynamic layered environmental monitoring of farmland water quality It sets.
Background technique
Water quality monitoring is type, the concentration and variation tendency of each pollutant of pollutant in monitoring and measurement water body, is commented The process of valence water quality condition, traditional farmland water quality monitoring is difficult to realize dynamic layered monitoring, and has a single function, it is difficult to realize remote Range monitoring, environmental protection and energy saving is poor, therefore the present invention designs a kind of device for the dynamic layered environmental monitoring of farmland water quality to solve The certainly above problem.
Through retrieving, Chinese patent grant number CN106896844A, Granted publication 2017.06.27 disclose the water of Internet of Things Cultivation water monitoring device is produced, including the first wireless communication control module, the first wireless communication control module are connected separately with biography Sensor module, solar powered module, motor module, LCD MODULE, Keysheet module, indicating lamp module, the first channel radio Letter control module is connected with controlling terminal by way of wireless connection.
Water monitoring device in the patent has the following disadvantages:
1. the dynamic layered monitoring that the water monitoring device is difficult to realize water quality;
2. the water monitoring device has a single function, inconvenient for use.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of dresses for the dynamic layered environmental monitoring of farmland water quality It sets, solves traditional farmland water quality and be difficult to realize dynamic layered monitoring, and be difficult to the problem of remotely controlling.
To achieve the above object, the present invention provides the following technical solutions:
A kind of device for the dynamic layered environmental monitoring of farmland water quality, including cabinet, the bottom of the cabinet are fixed with Idler wheel, is respectively fixed with headlamp, the first alarm device and solar panels at the top of the cabinet, on the front of the cabinet respectively It is fixed with the first display screen and handle, the handle is arranged in the top of the first display screen, fixes on the left side of the cabinet There is paper placing groove, comparison card is provided in the paper placing groove, is fixed with guide rail on the right side of the cabinet, it is described to lead Electronic sliding block is slidably connected in rail, the side of the electronic sliding block is fixed with tripod, is fixed at the top of the tripod The end of electric telescopic rod, the electric telescopic rod is fixedly connected by connector sleeve with one end of probe tube, the probe tube The other end is fixed with coniform head, and the side of the probe tube is fixed with sampling head, is fixed with liquid side by side on the sampling head Level sensor and temperature sensor, the inside of the cabinet are fixed with lower demarcation plate and upper demarcation plate, consolidate on the lower demarcation plate Surely there is water pump, sample bucket is fixed on the water pump, water quality monitor, the water quality monitor are placed on the upper demarcation plate Bottom be fixed with detection probe, in the detection probe insertion sample bucket, the inner bottom of the cabinet is respectively fixed with list Piece microcontroller, solar powered module and wireless network module.
Preferably, the output end of the water quality monitor, liquid level sensor and temperature sensor is and single chip microcontroller Input terminal be electrically connected, the output end of the single chip microcontroller respectively with headlamp, the first display screen, the first alarm device and The input terminal of water pump is electrically connected, and the single chip microcontroller is also through wireless network module and remote computer terminal network Connection, is respectively fixed with second display screen and the second alarm device at the remote computer terminal, the second display screen and the Two alarm devices are electrically connected with remote computer terminal.
Preferably, the output end of the solar powered module is also electrically connected with single chip microcontroller.
Preferably, the outlet of the water pump is connected to by water pipe with sample bucket, and the import of the water pump passes through water pipe and takes The connection of sample head.
Preferably, there are four the sampling head is fixed, four sampling heads are set in qually spaced on the side of probe tube.
Preferably, the water quality monitor and sample bucket are respectively and fixedly provided with four, four water quality monitors and sample bucket It is arranged in a one-to-one correspondence on upper demarcation plate and lower demarcation plate respectively.
Preferably, the headlamp it is fixed there are four, four headlamps be uniformly arranged on top of the box four turn At angle.
Preferably, the solar panels and solar powered module are electrically connected.
The present invention provides a kind of devices for the dynamic layered environmental monitoring of farmland water quality, have following beneficial effect:
(1) probe tube is moved to designated position by control electric telescopic rod by the present invention, will be sampled by electronic sliding block Head into the water after, water is pumped into sample bucket by water pump, then is detected by water quality monitor, result is will test and is transmitted to Single chip microcontroller, while that the liquid level in same place and temperature signal are also transmitted to monolithic is micro- for liquid level sensor and temperature sensor Controller, single chip microcontroller analysis result simultaneously show that first alarm device issues if unqualified on the first display screen The sound reminds staff note that by the way that electronic sliding block and multiple sampling heads is arranged, so that the device can realize the dynamic of water quality Hierarchical monitor.
(2) present invention is by setting remote computer terminal, so that the device can remotely monitor farmland water quality, using more It is convenient.
(3) present invention is by setting solar powered module and solar panels, so that the device can be can be carried out using the sun Monitoring, energy conservation and environmental protection are suitble to field work.
Detailed description of the invention
Fig. 1 is main view of the present invention;
Fig. 2 is box inner structure schematic diagram of the present invention;
Fig. 3 is invention's principle block diagram.
In figure:1 water quality monitor, 2 liquid level sensors, 3 temperature sensors, 4 single chip microcontrollers, 5 solar powered moulds Block, 6 headlamps, 7 first display screens, 8 first alarm devices, 9 water pumps, 10 wireless network modules, 11 remote computer terminals, 12 Two display screens, 13 second alarm devices, 14 cabinets, 15 idler wheels, 16 lower demarcation plates, demarcation plate, 18 sample buckets, 19 detections are visited on 17 Head, 20 solar panels, 21 handles, 22 paper placing grooves, 23 compare cards, 24 guide rails, 25 electronic sliding blocks, 26 tripods, 27 electronic Telescopic rod, 28 probe tubes, 29 sampling heads, 30 coniform heads.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1-3, the present invention provides a kind of technical solution:It is a kind of for the dynamic layered environmental monitoring of farmland water quality Device, including cabinet 14, the bottom of cabinet 14 are fixed with idler wheel 15, and it is alert that the top of cabinet 14 is respectively fixed with headlamp 6, first Device 8 and solar panels 20 are reported, there are four the fixations of headlamp 6, and four headlamps 6 are uniformly arranged on four turnings at 14 top of cabinet To locate, is respectively fixed with the first display screen 7 and handle 21 on the front of cabinet 14, the top of the first display screen 7 is arranged in handle 21, It is fixed with paper placing groove 22 on the left side of cabinet 14, comparison card 23, the right side of cabinet 14 are provided in paper placing groove 22 It is fixed with guide rail 24 on face, electronic sliding block 25 is slidably connected in guide rail 24, the side of electronic sliding block 25 is fixed with tripod 26, The top of tripod 26 is fixed with electric telescopic rod 27, and the end of electric telescopic rod 27 passes through one end of connector sleeve and probe tube 28 It is fixedly connected, the other end of probe tube 28 is fixed with coniform head 30, and the side of probe tube 28 is fixed with sampling head 29, sampling There are four first 29 fixations, and four sampling heads 29 are set in qually spaced on the side of probe tube 28, are fixed with side by side on sampling head 29 Liquid level sensor 2 and temperature sensor 3, the inside of cabinet 14 are fixed with lower demarcation plate 16 and upper demarcation plate 17, lower demarcation plate 16 On be fixed with water pump 9, sample bucket 18 is fixed on water pump 9, water quality monitor 1, water quality monitor 1 are placed on upper demarcation plate 17 Four are respectively and fixedly provided with sample bucket 18, four water quality monitors 1 and sample bucket 18 are arranged in a one-to-one correspondence respectively in upper demarcation plate 17 On lower demarcation plate 16, the bottom of water quality monitor 1 is fixed with detection probe 19, and detection probe 19 is inserted into sample bucket 18, water The outlet of pump 9 is connected to by water pipe with sample bucket 18, and the import of water pump 9 passes through water pipe and is connected to sampling head 29, cabinet 14 it is interior Portion bottom end is respectively fixed with single chip microcontroller 4, solar powered module 5 and wireless network module 10, water quality monitor 1, liquid The output end of level sensor 2 and temperature sensor 3 is electrically connected with the input terminal of single chip microcontroller 4, single chip microcontroller 4 Output end be electrically connected respectively with the input terminal of headlamp 6, the first display screen 7, the first alarm device 8 and water pump 9, and monolithic is micro- Controller 4 is connected to the network also through wireless network module 10 and remote computer terminal 11, is distinguished at remote computer terminal 11 It is fixed with second display screen 12 and the second alarm device 13, second display screen 12 and the second alarm device 13 are and remote computer terminal 11 are electrically connected, and by the way that remote computer terminal 11 is arranged, so that the device can remotely monitor farmland water quality, use is more square Just, the output end of solar powered module 5 is also electrically connected with single chip microcontroller 4, solar panels 20 and solar powered mould Block 5 is electrically connected, by setting solar powered module 5 and solar panels 20, so that the device can be carried out prison using the sun It surveys, energy conservation and environmental protection, is suitble to field work.
In use, probe tube 28 is moved to by designated position by control electric telescopic rod 27, it will by electronic sliding block 25 Sampling head 29 into the water after, water is pumped into sample bucket 18 by water pump 9, then is detected by water quality monitor 1, will be examined It surveys result and is transmitted to single chip microcontroller 4, while liquid level sensor 2 and temperature sensor 3 are also by the liquid level and temperature in same place Signal is transmitted to single chip microcontroller 4, and single chip microcontroller 4 is analyzed result and shown on the first display screen 7, if unqualified Then the first alarm device 8 issues the sound and reminds staff note that by the way that electronic sliding block 25 and multiple sampling heads 29 is arranged, so that should Device can realize the dynamic layered monitoring of water quality.
It can to sum up obtain, the present invention passes through setting water quality monitor 1, solar powered module 5,11 and of remote computer terminal Electronic sliding block 25 solves traditional farmland water quality and is difficult to realize dynamic layered monitoring, and is difficult to the problem of remotely controlling.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (8)

1. a kind of device for the dynamic layered environmental monitoring of farmland water quality, including cabinet (14), it is characterised in that:The cabinet (14) bottom is fixed with idler wheel (15), and headlamp (6), the first alarm device (8) are respectively fixed at the top of the cabinet (14) With solar panels (20), the first display screen (7) and handle (21), the handle are respectively fixed on the front of the cabinet (14) (21) setting is fixed with paper placing groove (22) on the top of the first display screen (7), the left side of the cabinet (14), described It is provided with comparison card (23) in paper placing groove (22), is fixed with guide rail (24) on the right side of the cabinet (14), it is described to lead It being slidably connected electronic sliding block (25) in rail (24), the side of the electronic sliding block (25) is fixed with tripod (26), and described three It is fixed at the top of corner bracket (26) electric telescopic rod (27), the end of the electric telescopic rod (27) passes through connector sleeve and probe tube (28) one end is fixedly connected, and the other end of the probe tube (28) is fixed with coniform head (30), the probe tube (28) Side be fixed with sampling head (29), be fixed with liquid level sensor (2) and temperature sensor side by side on the sampling head (29) (3), the inside of the cabinet (14) is fixed with lower demarcation plate (16) and upper demarcation plate (17), fixes on the lower demarcation plate (16) Have water pump (9), be fixed with sample bucket (18) on the water pump (9), is placed with water quality monitor on the upper demarcation plate (17) (1), the bottom of the water quality monitor (1) is fixed with detection probe (19), and the detection probe (19) is inserted into sample bucket (18) Interior, the inner bottom of the cabinet (14) is respectively fixed with single chip microcontroller (4), solar powered module (5) and wireless network Network module (10).
2. a kind of device for the dynamic layered environmental monitoring of farmland water quality according to claim 1, it is characterised in that:Institute State input of the output end of water quality monitor (1), liquid level sensor (2) and temperature sensor (3) with single chip microcontroller (4) End be electrically connected, the output end of the single chip microcontroller (4) respectively with headlamp (6), the first display screen (7), the first alarm The input terminal of device (8) and water pump (9) be electrically connected, and the single chip microcontroller (4) also through wireless network module (10) with Remote computer terminal (11) network connection, be respectively fixed at the remote computer terminal (11) second display screen (12) and Second alarm device (13), the second display screen (12) and the second alarm device (13) electrically connect with remote computer terminal (11) It connects.
3. a kind of device for the dynamic layered environmental monitoring of farmland water quality according to claim 1, it is characterised in that:Institute The output end for stating solar powered module (5) is also electrically connected with single chip microcontroller (4).
4. a kind of device for the dynamic layered environmental monitoring of farmland water quality according to claim 1, it is characterised in that:Institute The outlet for stating water pump (9) is connected to by water pipe with sample bucket (18), and the import of the water pump (9) passes through water pipe and sampling head (29) Connection.
5. a kind of device for the dynamic layered environmental monitoring of farmland water quality according to claim 1, it is characterised in that:Institute It states there are four sampling head (29) fixations, four sampling heads (29) are set in qually spaced on the side of probe tube (28).
6. a kind of device for the dynamic layered environmental monitoring of farmland water quality according to claim 1, it is characterised in that:Institute It states water quality monitor (1) and sample bucket (18) is respectively and fixedly provided with four, four water quality monitors (1) and sample bucket (18) are respectively It is arranged in a one-to-one correspondence on upper demarcation plate (17) and lower demarcation plate (16).
7. a kind of device for the dynamic layered environmental monitoring of farmland water quality according to claim 1, it is characterised in that:Institute It states there are four headlamp (6) fixations, four headlamps (6) are uniformly arranged on four corners at the top of cabinet (14).
8. a kind of device for the dynamic layered environmental monitoring of farmland water quality according to claim 1, it is characterised in that:Institute Solar panels (20) and solar powered module (5) are stated to be electrically connected.
CN201810707647.6A 2018-07-02 2018-07-02 A kind of device for the dynamic layered environmental monitoring of farmland water quality Pending CN108844584A (en)

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CN201810707647.6A CN108844584A (en) 2018-07-02 2018-07-02 A kind of device for the dynamic layered environmental monitoring of farmland water quality

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CN201810707647.6A CN108844584A (en) 2018-07-02 2018-07-02 A kind of device for the dynamic layered environmental monitoring of farmland water quality

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110146343A (en) * 2019-06-24 2019-08-20 黄河水利职业技术学院 A kind of environmental monitoring sewage sampling device
CN110408524A (en) * 2019-08-13 2019-11-05 郑义鹏 A kind of sampler of bioreactor
CN110672374A (en) * 2019-10-15 2020-01-10 珠海高凌信息科技股份有限公司 Online intelligent water quality monitoring system

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103398874A (en) * 2013-08-14 2013-11-20 中国科学院南京地理与湖泊研究所 Automatic water body stratification synchronous sampling device and sampling method
CN204631024U (en) * 2015-05-28 2015-09-09 吉林大学 A kind of portable real-time water quality monitor
CN204855206U (en) * 2015-09-06 2015-12-09 力合科技(湖南)股份有限公司 Water sample sampling system
CN105784956A (en) * 2016-03-11 2016-07-20 南京信息工程大学 Water body layering sampling testing device
CN205580795U (en) * 2016-05-10 2016-09-14 孙健 Multi -functional water stratified sampling device
CN205826366U (en) * 2016-06-29 2016-12-21 湘潭大学兴湘学院 A kind of water quality Stratified Sampling device that can be accurately positioned
CN106725496A (en) * 2016-12-13 2017-05-31 郑州同心创远生物科技有限公司 A kind of portable body biological information integration collection equipment
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
CN108152471A (en) * 2017-12-08 2018-06-12 台州智子科技有限公司 A kind of automated hierarchical sampling and the water monitoring device of multiple spot detection

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103398874A (en) * 2013-08-14 2013-11-20 中国科学院南京地理与湖泊研究所 Automatic water body stratification synchronous sampling device and sampling method
CN204631024U (en) * 2015-05-28 2015-09-09 吉林大学 A kind of portable real-time water quality monitor
CN204855206U (en) * 2015-09-06 2015-12-09 力合科技(湖南)股份有限公司 Water sample sampling system
CN105784956A (en) * 2016-03-11 2016-07-20 南京信息工程大学 Water body layering sampling testing device
CN205580795U (en) * 2016-05-10 2016-09-14 孙健 Multi -functional water stratified sampling device
CN205826366U (en) * 2016-06-29 2016-12-21 湘潭大学兴湘学院 A kind of water quality Stratified Sampling device that can be accurately positioned
CN106725496A (en) * 2016-12-13 2017-05-31 郑州同心创远生物科技有限公司 A kind of portable body biological information integration collection equipment
CN108152471A (en) * 2017-12-08 2018-06-12 台州智子科技有限公司 A kind of automated hierarchical sampling and the water monitoring device of multiple spot detection
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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110146343A (en) * 2019-06-24 2019-08-20 黄河水利职业技术学院 A kind of environmental monitoring sewage sampling device
CN110408524A (en) * 2019-08-13 2019-11-05 郑义鹏 A kind of sampler of bioreactor
CN110408524B (en) * 2019-08-13 2022-09-09 郑义鹏 Sampling device of bioreactor
CN110672374A (en) * 2019-10-15 2020-01-10 珠海高凌信息科技股份有限公司 Online intelligent water quality monitoring system

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Application publication date: 20181120