CN108872522A - Portable, multiple parameter water quality testing meter - Google Patents
Portable, multiple parameter water quality testing meter Download PDFInfo
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- CN108872522A CN108872522A CN201810957728.1A CN201810957728A CN108872522A CN 108872522 A CN108872522 A CN 108872522A CN 201810957728 A CN201810957728 A CN 201810957728A CN 108872522 A CN108872522 A CN 108872522A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1886—Water using probes, e.g. submersible probes, buoys
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Abstract
A kind of Portable, multiple parameter water quality testing meter has touch screen, PLC programmable controller, DC power supply, cable, wire spool, multi-parameter water quality detector.Multi-parameter water quality detector has shell, multiple water quality sensors, micro power, waterproof cover.Shell has upper housing, middle casing, lower case, and the front end of cable is connected with the top of upper housing;Multiple water quality sensors and micro power are installed in waterproof cover;The bottom end of lower case has the axially extending bore of circulation aqueous medium, has multiple open slots for the aqueous medium that circulates on the lateral wall of lower case, and the probe of multiple water quality sensors contacts aqueous medium out of cavity that stretch out and enter lower case in waterproof cover.The present invention can outdoors without alternating current in the case where, effectively and rapidly in well aqueous medium carry out many kinds of parameters detection, easy to use, easy to operate, practical, testing result is accurate, convenient for field use, solve underground water quality many kinds of parameters detection needs of problems.
Description
Technical field
The present invention relates to a kind of under well carries out the instrument of water quality detection, specifically a kind of Portable, multiple parameter water quality inspection
Instrument is surveyed, the fields such as hydrogeology, engineering geology, environmental geology are used in.
Background technique
Currently, in field of water quality detection detection mode, there are two main classes, and one type is mainly detected by multi-parameter water quality
The composition such as instrument, cuvette, reaction tube, when detecting water quality, needs first to acquire water sample, the water sample parameter then detected as needed
Different reagents is added, is handled as requested, is finally placed in detector and measures and read, deposited in survey engineering
It is complicated, cumbersome in operating process, the problems such as detection time is long.Another kind of multi-parameter water quality detector is by multiple single-sensors
With the compositions such as transmitter, in the case that this mode consumes that power is larger when detecting water quality outdoor can not be accomplished without alternating current
It uses.
Inventor retrieves following Patents documents:CN104110253A discloses a kind of portable anti-sticking auto-manual water
There is bit test instrument plumb bob, wire spool, survey line, bracket, survey line distributor, survey line to count collector, first motor, the first electricity
Machine drive module, the second motor, the second motor drive module, PLC programmable controller, encoder, touch screen, brush, 24V are straight
Galvanic electricity source.Plumb bob is made of a plastic flexible pipe and iron powder, and the front end of survey line is fixedly connected with plastic flexible pipe.It is wrapped in coiling
Survey line on the reel of disk is electrically connected by its tail end with brush to be connected with PLC programmable controller, the signal of encoder
Output end is connected with the input terminal of PLC programmable controller, and the output end of PLC programmable controller is electric with first and second respectively
The input terminal of machine drive module is connected, and the output end of the first and second motor drive module is electrically connected with the first and second motor.
CN104678065A discloses a kind of mine water inrush on-line monitoring intelligent early-warning system, and there is Workstation host, acousto-optic early warning to fill
It sets, transmitter, integrated intelligent water quality sensor monitoring case, the monitoring case has cylinder, multiple water quality sensors, is set to cylinder
The filter screen at body both ends, be installed on cylinder it is intracorporal in laterally be arranged and extend to the upper stabilier at the filter screen of cylinder both ends and under
Stabilier is installed on that cylinder is intracorporal in longitudinal arrangement and to extend to multiple rows of seperated stabilier at the filter screen of cylinder both ends, upper steady
Multiple deflector holes are all distributed on flowing plate and lower stabilier and multiple rows of seperated stabilier, multiple rows of fission stabilier is located at upper current stabilization
Between plate and lower stabilier, every row's fission stabilier all there is left section of plate and right section of plate and the left section of plate and right section of plate it is separated
And it is connected to the cavity between the upper stabilier of cylinder and lower stabilier.CN2611897Y discloses a kind of Industrial Boiler water quality electronics inspection
Instrument is surveyed, chlorine ion concentration sensor is equipped with, is connected to amplification circuit of electrical signal with chlorine ion concentration sensor, is amplified with electric signal
Circuit is connected to identification comparison circuit, is connected to water quality condition indicating circuit with comparison circuit is identified.CN2498608Y is disclosed
A kind of pipe style water pollution index tester, it includes pipe fitting, valve, voltage-stablizer, pressure gauge and filter, and feature exists
It is made of in described filter upper cover, lower cover and its attaching nut, it is interlaced between cover to fasten and form chamber, chamber
Indoor setting filter membrane, porous supporting plate and sealing ring, filter membrane are clamped between supporting plate, and the connection of attaching nut and cover is spiral shell
Line connection, described upper cover are equipped with the deflation valve nozzle of an interior cavity room;Quick change is additionally provided between filter and pressure gauge
Connector.CN205691171U discloses a kind of online multi-parameter sensor Water Test Kits, is mounted on and accommodates water Jie to be monitored
In the device of matter, for monitoring the water quality parameter of aqueous medium to be monitored comprising first shell, second shell, multiple water quality are surveyed
Measure unit and the cleaning unit for cleaning water quality measuring unit;It is provided in first shell multiple for being situated between by water to be monitored
The through-hole of matter;There is accommodating chamber in first shell;Accommodating chamber has open end, the first end of second shell and the opening of accommodating chamber
End is connected to and in communication with, and the second end of second shell is provided with cover board;Multiple water quality measurement units and the cleaning unit accommodate
In accommodating chamber, and on the inner wall of multiple water quality measurement units and the cleaning unit first end that is mounted on second shell;Second
Signal wire is provided in shell, signal wire is connect with water quality measurement unit waterproof.
How the above technology effectively and rapidly solves the problems, such as that well multi-parameter water quality detects for the present invention, and
Specific guidance program is not provided.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of Portable, multiple parameter water quality testing meters, it can be outdoors
In the case where without alternating current, many kinds of parameters detection effectively and rapidly is carried out to aqueous medium in well, it is easy to use, it is easy to operate, real
With testing result is accurate, uses convenient for field, is readily achieved the task that multi-parameter water quality detects in well, solves underground water quality
The needs of problems of many kinds of parameters detection.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows:
A kind of Portable, multiple parameter water quality testing meter has touch screen, PLC programmable controller, DC power supply, cable, coiling
Disk, multi-parameter water quality detector, the wire spool have reel, cable locking device, bracket, motor, and cable winds are in coiling
On the reel of disk, the left shaft head of above-mentioned wire spool(Outside spindle nose)It is connect with the power output end of motor, motor is fixedly mounted on
On bracket;Above-mentioned cable locking device is rack-mount and is located at the lower section of reel, and cable locking device is by two spool bodies
With support the two spool bodies supporting framework at.The inner end of support frame is fixed on bracket.The output end and PLC of touch screen
The input terminal of programmable controller is connected, and the output end of PLC programmable controller is connected with the input terminal of motor drive module
Connect, the output end of motor drive module is electrically connected with motor, DC power supply respectively with touch screen, PLC programmable controller, electricity
The feeder ear of mechanical, electrical machine drive module is connected.The cable being wrapped on the reel of wire spool passes through its tail end(End)With electricity
Brush is electrically connected and is connected with PLC programmable controller(This structure is prior art, be can refer to disclosed in CN104110253A
Patent specification [0024] section), the tail end of cable is connected with the winding drum.PLC programmable controller control motor operating, into
And the drawing cable line on the reel of wire spool is controlled, touch screen can record and storing data.Its technical solution is that described
Multi-parameter water quality detector has shell, multiple water quality sensors of detectable water quality different parameters, passes for the multiple water quality
The micro power of sensor power supply(Minicell), protection the multiple water quality sensor(Sealing)Waterproof cover can detect water quality
Multiple water quality sensors of different parameters may include TDS sensor, pH sensor, temperature sensor.Shell has upper casing
Body, middle casing, lower case, the lower end of upper housing and the threaded upper ends of middle casing connect, the upper end of lower case and middle case
The bottom end of body is threadedly coupled;The front end of above-mentioned cable be connected with the top of upper housing and make the front end of cable with it is the multiple
Water quality sensor is connected(Waterproof connection, electrical connection), the specific structure that the front end of cable is connected with the top of upper housing is,
The front end of cable is connected on the intracorporal locking device of upper casing by the through-hole on the top of upper housing;It is equipped in waterproof cover described
Multiple water quality sensors and micro power, waterproof cover are set in middle casing;The bottom end of lower case has the sky with lower case
Chamber be connected for the axially extending bore of aqueous medium of circulating, have along its circumferencial direction for the water that circulates on the lateral wall of lower case
Multiple open slots of medium, the probe of the multiple water quality sensor(Probe)The sky of lower case is stretched out and entered from waterproof cover
It is intracavitary and contact the intracorporal aqueous medium of lower casing(Aqueous medium is detected).
In above-mentioned technical proposal, preferred embodiment of the invention be can be:The shell is preferably made of metal material,
Shell is preferably in shuttle shape, and the length of shell is preferably 150 ~ 200mm.The quantity of above-mentioned multiple water quality sensors is preferably 3 ~ 4
It is a.The quantity of above-mentioned open slot is preferably 4, and the length of each open slot is preferably 10mm, and width is preferably 2mm.It is above-mentioned
The internal diameter of middle casing be preferably 20mm.The axially extending bore of the bottom end of above-mentioned lower case is preferably rounded, and diameter is preferably 3 ~
4mm, to prevent the destruction of big suspended particulate and biology to water quality sensor probe.Above-mentioned locking device be preferably nut or
Person's limit body, the front end of cable and the top junction of upper housing are preferably provided with waterproof gasket cement(It is sealed).It is above-mentioned
It is preferably provided with current stabilization disk below the probe of multiple water quality sensors, current stabilization disk is fixed on the inner sidewall of lower case, current stabilization disk tool
Have in horizontally disposed bottom plate, the multiple flap plates being fixedly connected with multiple edges of bottom plate, bottom plate has in for intaking
Heart hole, multiple flap plates are uniformly arranged and are all folded upward at relative to bottom plate in interval, the outer edge of each flap plate(That is outside
Edge, outer edge)All be fixedly connected with the inner sidewall of lower case, angle, that is, bending angle β of each flap plate and bottom plate be 53 o ~
55o, two adjacent flap plates(18b)Between gap(Gap)Form water inlet(Outlet pass), the diameter d of above-mentioned centre bore
With the ratio between the internal diameter D of lower case 10c preferably 1:5.The quantity of above-mentioned multiple flap plates is preferably 8.
The present invention has touch screen, PLC programmable controller, DC power supply, cable, wire spool, multi-parameter water quality detection
Device, the wire spool have reel, cable locking device, bracket, motor, and cable winds are described on the reel of wire spool
Multi-parameter water quality detector has shell, multiple water quality sensors of detectable water quality different parameters, passes for the multiple water quality
The micro power of sensor power supply, the waterproof cover for protecting the multiple water quality sensor.In this way, multi-parameter water quality of the invention detects
Device acquires water sample in well, and multiple water quality sensors detect water sample, and will test in data transmission to touch screen, and
Display is as a result, Portable, multiple parameter water quality testing meter of the invention is easy to use on the touchscreen, and easy to operate, testing result is quasi-
Really.Compared with existing water quality testing meter, the beneficial effects of the invention are as follows fast and accurately provide water quality detection as a result, operation
It is easier.
In conclusion the present invention can outdoors without alternating current in the case where, effectively and rapidly in well aqueous medium carry out it is more
Kind parameter detecting, easy to use, easy to operate, practical, testing result is accurate, uses, is readily achieved more in well convenient for field
The task of parameter water quality detection solves the needs of problems of underground water quality many kinds of parameters detection.
Detailed description of the invention
Fig. 1 is structure schematic diagram of the invention.
Fig. 2 is the structural schematic diagram that motor, bracket, wire spool, reel, cable locking device are connected in the present invention.
Fig. 3 is the structural schematic diagram of multi-parameter water quality detector in the present invention.
Fig. 4 is the cross-sectional view in Fig. 3 along line A-A.
Fig. 5 is the cross-sectional view in Fig. 3 along line B-B.
Fig. 6 is the cross-sectional view in Fig. 3 along line C-C.
Fig. 7 is the structural schematic diagram of current stabilization disk in the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, of the invention(Portable, multiple parameter water quality testing meter)First implementation
Example has(Intelligence)Touch screen 1, PLC programmable controller 3,24V DC power supply 2, cable(Signal wire, survey line, can by copper core and
Insulating materials is made, connecting line)9, wire spool 6, multi-parameter water quality detector 10.Without current stabilization disk in the present embodiment.The coiling
Disk 6 has reel 7, cable locking device 8, bracket 5, motor 4, and cable 9 is wrapped on the reel 7 of wire spool.Above-mentioned wire spool 6
The left shaft head(Outside spindle nose)It is connect with the power output end of motor 4, motor 4 is fixedly mounted on bracket 5.Above-mentioned cable locking
Device 8 is mounted on the lower section on bracket 5 and being located at reel 7, and cable locking device 8 is by two spool bodies 802 and supports the two
The support frame 801 of spool body is constituted.The inner end of support frame 801 is fixed on bracket 5.The output end of touch screen 1 can be compiled with PLC
The input terminal of range controller 3 is connected, and the output end of PLC programmable controller 3 is connected with the input terminal of motor drive module,
The output end of motor drive module is electrically connected with motor 4, DC power supply 2 respectively with touch screen 1, PLC programmable controller 3, electricity
Machine 4, motor drive module feeder ear be connected.The cable 9 being wrapped on the reel of wire spool passes through its tail end(End)With
Brush electrical connection and with PLC programmable controller 3(Signal input part)It is connected, the tail end of cable 9 is connected with the winding drum,.
PLC programmable controller 3 controls the drawing cable line on the reel of the operating of motor and then control wire spool, and touch screen 1 can be remembered
Record and storing data.The multi-parameter water quality detector 10 has multiple water of shell 10 ', detectable water quality different parameters
Matter sensor 12, the micro power powered for the multiple water quality sensor(Minicell)11, the multiple water quality is protected to pass
Sensor(Sealing)Waterproof cover 15, multiple water quality sensors 12 of detectable water quality different parameters may include dissolved oxygen sensing
Device, pH sensor, temperature sensor etc..Shell 10 ' has upper housing 10a, middle casing 10b, lower case 10c, upper casing
The lower end of body 10a is connect with the threaded upper ends of middle casing 10b, the upper end of lower case 10c and the bottom end screw thread of middle casing 10b
Connection.The front end 9a of above-mentioned cable 9 is connected with the top of upper housing 10a and passes the front end of cable and the multiple water quality
Sensor 12 is connected(Waterproof connection, electrical connection).The specific structure that the front end 9a of cable is connected with the top of upper housing 10a
It is that the front end 9a of cable is connected on the intracorporal locking device 16 of upper casing by the through-hole on the top of upper housing 10a.Waterproof cover 15
The multiple water quality sensor 12 and micro power 11 are inside installed, waterproof cover 15 is set in middle casing 10b.Lower case
The bottom end of 10c has the axially extending bore 14 for the aqueous medium that circulates being connected with the cavity of lower case, the outside of lower case 10c
There are multiple open slots 13 for the aqueous medium that circulates along its circumferencial direction on wall, multiple open slots 13 are preferably along the outer of lower case
Side wall circumferencial direction is evenly distributed.The probe of the multiple water quality sensor 12(Probe)It stretches out and enters from waterproof cover 15
The intracorporal aqueous medium of lower casing is contacted in the cavity of lower case 10c(Aqueous medium is detected).
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, above-mentioned shell 10 ' is made of metal material, and shell is in shuttle shape, shell
Length be 150 ~ 200mm(Select 180mm).The quantity of above-mentioned multiple water quality sensors 12 is 3 ~ 4.Above-mentioned open slot
13 quantity is 4, and the length of each open slot is 10mm, width 2mm.Above-mentioned middle casing(10b)Internal diameter be
20mm.The axially extending bore 14 of the bottom end of above-mentioned lower case 10c is rounded, and diameter is 3 ~ 4mm, to prevent big suspended particulate and life
Destruction of the object to water quality sensor probe.Above-mentioned locking device 16 is nut or limit body, the front end 9a and upper casing of cable
The top junction of body 10a is equipped with waterproof gasket cement 17(It is sealed).
It is of the invention as shown in Fig. 6, Fig. 7, Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5(Portable, multiple parameter water quality testing meter)The
Two embodiments are similar with one embodiment, the difference is that multiple water quality sensors 12 described in second embodiment
Probe below be equipped with current stabilization disk 18, current stabilization disk 18 is fixed on the inner sidewall of lower case 10c, and current stabilization disk 18 has to be set in level
The bottom plate 18a set, the multiple flap plate 18b being fixedly connected with multiple edges of bottom plate, the quantity of flap plate 18b are 8.
Bottom plate 18a has the centre bore 18c for water inlet, and the diameter of centre bore 18c is d, between multiple flap plate 18b are in
Every being uniformly arranged and being all folded upward at relative to bottom plate, the outer edge of each flap plate 18b is all solid with the inner sidewall of lower case 10c
Fixed connection(The outer edge of each flap plate 18b be can be by the elastic card of its own on the inner sidewall of lower case 10c), often
Angle, that is, bending angle β of a flap plate 18b and bottom plate 18a is 53 o ~ 55o(Select 54o), adjacent two flap plate 18b it
Between gap formed water inlet 18d.The internal diameter of lower case 10c(Circumference where the outer edge of each flap plate 18b in other words
Diameter)For D, d: D=1:5.The present invention is provided with current stabilization disk 18, current stabilization disk 18 and lower case 10c, open slot 13, axially extending bore
14 collective effects so that water sample multiple water quality sensors 12 probe positions it is more uniform, stablize, it is and existing through testing
Water quality detection(Early warning)Instrument is compared, and detection accuracy improves 30% or more after current stabilization disk 18 is arranged in the present invention, and detection accuracy is higher,
Also a save time and the manpower of detection(Detection time is saved 30% or more), improve detection efficiency(Detection efficiency improves
30% or more).Above-mentioned shell 10 ', current stabilization disk 18 can be made of sheet metal, and waterproof cover 15 can be non-metal shell(Such as modeling
Material, organic glass etc.).
The present invention is substantially divided into three parts, and a part is power pack, is powered using 24V DC power supply;Another part is
Water quality detection part is made of cable, wire spool, multi-parameter water quality detector;A part is intelligent control part again, by(Intelligence
Energy)Touch screen, PLC programmable controller composition.Touch screen interface is divided into two parts:A part is another to be automatically brought into operation part
Part is manual operation section.Be automatically brought into operation for:Detector of the invention is placed near well, and by multi-parameter water quality
Detector and wire spool are placed on well mouth, and cable is fixedly attached on multi-parameter water quality detector.It sets on the touchscreen first
Zero setting point, and on being automatically brought into operation interface, click automatic unwrapping wire, detector(Instrument)It starts to work.When multi-parameter water quality detects
Device(Multiple water quality sensors of detectable water quality different parameters)When reaching the water surface, system receives signal output order simultaneously, from
It is dynamic to stop unwrapping wire.System receives water quality parameter signal and saves data, and detector automatic takeup reaches setting zero point, completes water quality
The detection work of parameter.
In some uncertain water borehole measurement quality of groundwater, manual operation also can be used, equally, will test instrument
It is placed on well side, zero point is set, on touch screen manual operation interface, click manual unwrapping wire, instrument is started to work.When arriving
When up to the water surface, system will appear prompting interface, may be selected to continue unwrapping wire or stopping, when reaching the water level that user needs, system
Stop unwrapping wire, underground multi-parameter water quality detector(Multiple water quality sensors of detectable water quality different parameters)It is concurrent to detect water quality
The number of delivering letters, system receive water quality parameter signal and save data, and user can click manual take-up or automatic takeup, when arrival zero point
When, system is automatically stopped.The smart water quality sensor of 3-4 detectable different parameters can be accommodated in multi-parameter water quality detector,
It may be implemented in underground and multi-parameter detection carried out to water quality, facilitate and operate and reduce user cost.It is a feature of the present invention that examining
Overall process full automatic working can be realized when surveying quality of groundwater, and easy to operate, operation interface is friendly, and is provided with multi-parameter water
Quality detector, it is waterproof and dismantle, the working efficiency of user is improved, the testing cost of user is reduced.
The present invention can outdoors without alternating current in the case where, effectively and rapidly in well aqueous medium carry out many kinds of parameters inspection
It surveys, easy to use, easy to operate, practical, testing result is accurate, uses convenient for field, is readily achieved multi-parameter in well
The task of water quality detection solves the needs of problems of underground water quality many kinds of parameters detection.
Claims (9)
1. a kind of Portable, multiple parameter water quality testing meter has touch screen(1), PLC programmable controller(3), DC power supply
(2), cable(9), wire spool(6), multi-parameter water quality detector(10), the wire spool(6)With reel(7), cable locking
Device(8), bracket(5), motor(4), cable(9)It is wrapped in the reel of wire spool(7)On, it is characterised in that the multi-parameter
Water quality detector(10)With shell(10′), detectable water quality different parameters multiple water quality sensors(12), to be the multiple
The micro power of water quality sensor power supply(11), the multiple water quality sensor of protection waterproof cover(15), shell(10′)Have
Upper housing(10a), middle casing(10b), lower case(10c), upper housing(10a)Lower end and middle casing(10b)Upper end
It is threadedly coupled, lower case(10c)Upper end and middle casing(10b)Bottom end be threadedly coupled;Above-mentioned cable(9)Front end(9a)
With upper housing(10a)Top be connected and make cable front end and the multiple water quality sensor(12)It is connected, cable
Front end(9a)With upper housing(10a)The specific structure that is connected of top be the front end of cable(9a)Pass through upper housing(10a)'s
The through-hole on top is connected to the intracorporal locking device of upper casing(16)On;Waterproof cover(15)The multiple water quality sensor is inside installed
(12)And micro power(11), waterproof cover(15)Set on middle casing(10b)It is interior;Lower case(10c)Bottom end have under
The axially extending bore for the aqueous medium that circulates that the cavity of shell is connected(14), lower case(10c)Lateral wall on along its circumference
Direction has multiple open slots for the aqueous medium that circulates(13), the multiple water quality sensor(12)Probe from waterproof cover
(15)Middle stretching simultaneously enters lower case(10c)Cavity in and contact the intracorporal aqueous medium of lower casing.
2. Portable, multiple parameter water quality testing meter according to claim 1, it is characterised in that above-mentioned shell(10′)By gold
Belong to material to be made, shell is in shuttle shape, and the length of shell is 150 ~ 200mm.
3. Portable, multiple parameter water quality testing meter according to claim 1, it is characterised in that above-mentioned multiple water quality sensing
Device(12)Quantity be 3 ~ 4.
4. Portable, multiple parameter water quality testing meter according to claim 1, it is characterised in that above-mentioned open slot(13)'s
Quantity is 4, and the length of each open slot is 10mm, width 2mm.
5. Portable, multiple parameter water quality testing meter according to claim 1, it is characterised in that above-mentioned middle casing(10b)
Internal diameter be 20mm.
6. Portable, multiple parameter water quality testing meter according to claim 1, it is characterised in that above-mentioned lower case(10c)Bottom
The axially extending bore at end(14)Rounded, diameter is 3 ~ 4mm.
7. Portable, multiple parameter water quality testing meter according to claim 1, it is characterised in that above-mentioned locking device(16)
For nut or limit body, the front end of cable(9a)With upper housing(10a)Top junction be equipped with waterproof gasket cement(17).
8. Portable, multiple parameter water quality testing meter according to claim 1, it is characterised in that above-mentioned multiple water quality sensors
(12)Probe below be equipped with current stabilization disk(18), current stabilization disk(18)It is fixed on lower case(10c)Inner sidewall on, current stabilization disk(18)
With in horizontally disposed bottom plate(18a), multiple flap plates for being fixedly connected with multiple edges of bottom plate(18b), bottom plate(18a)
With the centre bore (18c) for water inlet, multiple flap plates(18b)It is uniformly arranged in interval and is all bent up relative to bottom plate
Folding, each flap plate(18b)Outer edge all with lower case(10c)Inner sidewall be fixedly connected, each flap plate(18b)The bottom of with
Plate(18a)Angle, that is, bending angle(β)For 53 o ~ 55o, two adjacent flap plates(18b)Between gap formed water inlet
(18d), above-mentioned centre bore(18c)Diameter(d)With lower case(10c)Internal diameter(D)The ratio between be 1:5.
9. Portable, multiple parameter water quality testing meter according to claim 8, it is characterised in that above-mentioned multiple flap plates(18b)
Quantity be 8.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110133057A (en) * | 2019-05-17 | 2019-08-16 | 中国海洋大学 | A kind of multi-parameter water quality detection device shell mechanism and its assembly method |
CN111398132A (en) * | 2020-03-12 | 2020-07-10 | 中国地质科学院水文地质环境地质研究所 | Permeability coefficient in-situ intelligent measuring device used in cooperation with water pump |
CN112253249A (en) * | 2020-10-29 | 2021-01-22 | 水利部牧区水利科学研究所 | Hydrogeological parameter acquisition system and method for coal mine goaf |
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CN108120814A (en) * | 2017-12-28 | 2018-06-05 | 河北省地质学会 | Portable, multiple parameter water quality testing meter |
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CN108120814A (en) * | 2017-12-28 | 2018-06-05 | 河北省地质学会 | Portable, multiple parameter water quality testing meter |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110133057A (en) * | 2019-05-17 | 2019-08-16 | 中国海洋大学 | A kind of multi-parameter water quality detection device shell mechanism and its assembly method |
CN111398132A (en) * | 2020-03-12 | 2020-07-10 | 中国地质科学院水文地质环境地质研究所 | Permeability coefficient in-situ intelligent measuring device used in cooperation with water pump |
CN112253249A (en) * | 2020-10-29 | 2021-01-22 | 水利部牧区水利科学研究所 | Hydrogeological parameter acquisition system and method for coal mine goaf |
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