CN208937377U

CN208937377U - A kind of fluid sampling device

Info

Publication number: CN208937377U
Application number: CN201821148086.2U
Authority: CN
Inventors: 胡淼龙
Original assignee: ZHEJIANG WINS WIRELESS NETWORK TECHNOLOGY Co Ltd
Current assignee: ZHEJIANG WINS WIRELESS NETWORK TECHNOLOGY Co Ltd
Priority date: 2018-07-19
Filing date: 2018-07-19
Publication date: 2019-06-04
Anticipated expiration: 2028-07-19

Abstract

The utility model provides a kind of fluid sampling device, including including sampling bottle (27), sampling bottle stores module (33), water pump (24), it fetches water control module (34), it is characterized by: sampling bottle (27) is located in sampling bottle storage module (33), water pump (24) draws sampling water from monitored waters by its water inlet pipe (25), crosses its outlet pipe (26) for the sampling water and injects the sampling bottle (27)；Water intaking control module (34) exists with water pump (24) to be electrically connected, and controls starting or stoping for water pump by the electrical connection.Can review on-line monitoring as a result, and review the time it is flexible, it is not necessary to immediately enter monitoring field, reduce operator monitoring amount, have practicability.

Description

A kind of fluid sampling device

Technical field

The utility model relates to examine detection field more particularly to a kind of fluid sampling device.

Background technique

Monitoring water quality on line system detects water quality using line analysis instrument and laboratory analytical instrument, passes through acquisition The sample of representative, timeliness and reliability realizes the online auto monitoring to sample.Automatic monitoring system generally comprises Sampling system, pretreatment system, acquisition and control system, on-line monitoring analysis meter, data processing and Transmission system and Remote data management center, these subsystems not only each architectonical, but also cooperate, to complete entire online auto monitoring system Continuously reliably run.

Since nineteen ninety-eight, China has successively built up 100 national surface water in seven big water-based 10 major river valleys It is automatic also to establish a local level surface water quality more than 400 according to environmental management needs successively for Water Automatic Monitoring System, each place Monitoring station realizes automatic water quality monitoring weekly.Current water quality automatic monitoring device has been unable to meet quick hair in manufacture The needs of the water quality monitoring of exhibition, therefore, production domesticization automonitor have wide development prospect and potential selling market.

Multi-parameter water quality online auto monitoring system is suitable for: water head site monitoring, environmental monitoring station, municipal administration are water-treated Journey, city planting ductwork Water quality surveillance, village tap water monitoring；Recirculated cooling water, swimming-pool water operational management, industrial water source circulation benefit With fields such as, industrialized aquicultures.

The software architecture of monitoring water quality on line system can extend hundreds of monitoring node, and each node can configure Multiple sensors.According to practical operation situation, test water quality parameter can be increased, such as: user can choose by traditional biography Sensor is come the water conventional parameter that monitors, such as turbidity, conductivity, oxidation-reduction potential, total organic carbon, ammonia nitrogen, COD, various organic Object, free chlorine, total chlorine, total fluorine, pH value, flow, pressure, temperature etc., meanwhile, it can be according to local water resources condition and past dirt Dye event, selectivity monitor various chemical pollutants.

Monitoring water quality on line system can rapidly and accurately extract important water quality data, and data are presented on clearly In reporting format.The report of one standard includes following information: water conventional index, maximum value, minimum value, average value, system State.

Water quality online analyzer device is generally divided into electrode method and two kinds of photometry by measurement method.

Dividing water quality online analyzer device by the parameter of measurement has following type:

What the design of water intake system was designed mainly for the representativeness, reliability and continuity for meeting water sample, the system Chief component several parts adjusted by: water intake, water pump, water sample conveyance conduit and flow rate form.According to taking The division of water mode is broadly divided into directly taking type and two kinds of float-type, and directly taking type is used mainly for the small environment of SEA LEVEL VARIATION, such as Sewage plant, pollution sources, equipment in tap water culvert pipe water intaking etc., and float-type is used mainly for the biggish environment of SEA LEVEL VARIATION, such as earth's surface Water etc..

Monitoring water quality on line system pretreatment system is primarily to should eliminate interference instrumental analysis and influence instrument makes Factor, and the representativeness of water sample cannot be lost.Pretreated means usually have natural subsidence, physical filtering and infiltration etc.. Pretreated rank is usually determined according to the purity of water sample.Some analysis instruments already have accounted for the pre- of sample introduction in design Processing, need to consider matched use in the system integration.

The control of monitoring water quality on line system data acquisition is mainly by PLC, live industrial personal computer, central station computer and pick-up The composition such as device, executing agency, function mainly have:

(1) automatic running of entire on-line monitoring system is controlled, this part after PLC write-in program mainly by completing；

(2) data for acquiring, storing and transmitting instrumental analysis, this part are mainly transmitted by live industrial personal computer and data acquisition Module cooperation is completed.

Monitoring water quality on line system integration auxiliary system is mainly to protect the fortune of the continuous-stable of on-line monitoring system Row, it needs variation according to field condition and adjusts accordingly.There is the following aspects to need to pay attention on the whole:

(1) cleaning of pipeline: the algae due to dirt remaining in pipeline and therefore multiplied can cause dirt to water sample Dye, so needing to be timed pipeline quantitative cleaning, the mode and content of cleaning are varied, and target is provided to guarantee The authenticity and representativeness of water sample.

(2) guarantee of electric power: the stabilization of electric power is directly related to the accuracy and continuity of instrumental analysis, therefore most first Stable AC network may be selected for access；Secondly, being needed to electric current again before alternating current enters automatic monitoring system Rectification, to cope with the occurrence of sudden electric current is unstable；Finally, if necessary, can be equipped with backup power supply with The normal operation of on-line monitoring system when for having a power failure.

(3) Lightning proof: lightning protection is broadly divided into station lightning protection, power lightning protection and communication lightning protection, the electric current when meeting with lightning stroke Breakdown lightning protection device first is to achieve the purpose that protective meter and system equipment.This point is even more important in the multiple area of thunderstorm, Staff will check the state of lightning protection device as early as possible after thunderstorm occurs, as damage will be replaced in time.

(4) adjust temperature and humidity: suitable temperature and humidity is also critically important for the stable operation of instrument, this partial function master It to be realized by air-conditioning and dehumidification equipment.

Each probe of existing electric pole type multi-parameter water quality monitor (for example, DCT-MWQ-5100/5101) can be freely combined, Independent replacement, plug and play can remote control；Scalability: while multiple factors are monitored, mountable 2-12 sensor；It is more Kind of application: work online for a long time, fast-field evaluation, emergency monitoring, groundwater monitoring, from charged pool；Solid shell: POM material Expect (metacetaldehyde polymer), anti-seawater corrosion, it can underwater 200 meters of normal works；It is compact-sized: diameter 76mm, it is mountable in ruler Very little lesser occasion.

Existing five parameter sensors of water quality use advanced modularized design and advanced digital communication technology, by general Controller and sensor composition can connect pH, dissolved oxygen, conductivity, water temperature and turbidity five on one general purpose controller simultaneously Sensor, and can realize Display on the same screen.Wherein ultrasonic cleaning module built in turbidity transducer, it is ensured that the stabilization to work long hours Property and accuracy.

In patent application field, there is following conductance measurement technology:

Application No. is CN201721555968.6, the utility model of entitled " a kind of conductance instrument ", including Conductivity sensor further includes the exiting signal generating circuit that driving source is provided for conductivity sensor, to conductivity sensor Output signal amplify the amplification and rectification circuit of shaping, DC converting circuit, analog-to-digital conversion circuit and controller, motivate Signal generating circuit includes square wave excitation source and filter circuit, and square wave excitation source, filter circuit, conductivity sensor, amplification are whole Shape circuit, DC converting circuit, analog to digital conversion circuit and controller are sequentially connected, and controller connect with square wave excitation source and is Square wave excitation source provides clock signal, and conductance instrument further includes temperature-compensation circuit, and temperature-compensation circuit is turned by modulus Circuit is changed to connect with controller.

Application No. is CN201710270275.0, it is entitled " measuring device of the conductivity Resistivity testing of water and Method ", device include the measuring circuit being linked in sequence, subtraction circuit, A/D converter circuit, master chip；The measuring circuit with Master chip connection；Its method includes: measuring circuit according to the positive pulse square wave excitation from master chip, and different voltages are loaded into Electrode both ends make to generate alternate forward and reverse electric current in water and amplify, detection, obtain signal voltage V1, V2；Subtraction circuit will be believed Number voltage V1, V2 obtain measuring signal Vout after doing subtraction；Measuring signal Vout is AD converted by A/D converter circuit；Master chip The conductivity or resistivity of water are calculated according to the measuring signal Vout after AD conversion.The utility model uses positive pulse square wave excitation Detected solution, setting excitation amplifying circuit, making conductance cell, there are both forward and reverse directions electric currents to flow through in positive pulse square wave excitation, to support Anti- polarity effect.

Application No. is CN201611172938.7, a kind of entitled " water resource conductivity measurement with temperature-compensating In circuit ", processor module is connect with driving source circuit signal, and excitation source circuit is connect with conductivity probe signal, conductivity Probe is connect with range switch circuit signal, and range switch circuit is connect with true effective value converting circuit signal, and real available value turns It changes circuit to connect with analog to digital conversion circuit signal, analog to digital conversion circuit is connect with processor die block signal, temperature value probe and letter The connection of number conditioning circuit signal, signal conditioning circuit are connect with analog to digital conversion circuit signal, power supply module with it is all other Modular power source connection.The utility model have the function of that auto thermal compensation, range manually adjust, high-precision analog acquires etc. with it is special Point.

Application No. is CN201610583932.2, entitled " a kind of conductivity measuring method, circuit and conductivity are surveyed Amount instrument " provides a kind of conductivity measuring method, this method comprises: generating ac square wave signal；Amplify ac square wave signal；It will Amplified square-wave signal passes through one end of conducting wire connection electrode, and an alternating electric field is generated in electrolyte solution；Pass through electricity The other end detection electrolyte solution of pole results from the faint alternating current letter at conductivity meter electrode both ends in alternating electric field Number；Faint ac current signal is transformed into ac voltage signal；It rectified, filtered to obtain steady dc voltage letter Number；D. c. voltage signal is converted to corresponding conductivity to show.

Application No. is CN201520679587.3, a kind of reality that entitled " high-precision conductivity measurement system " provides With novel, a kind of high-precision conductivity measurement system is disclosed, including the four pole type conductance for measuring liquid medium conductivity Rate sensor, test voltage occurs module and is connected with four pole type conductivity sensor, and generates under the control of control module Test voltage signal is transferred to test pole plate and generates reference voltage signal and is transferred to reference to pole plate；Current sampling module is used for The current signal that four pole type conductivity sensor generates is sampled, current signal is carried out through pre-amplifying module and second level amplification module Output is to control module after signal amplification, and control module is by calculating acquisition conductivity value and showing data letter by display module Breath.Using the technical solution of the utility model, automatically switched by multrirange, it is suitable to be chosen according to different test environment Range ability, while using four pole type conductivity sensor, test voltage can be automatically adjusted according to reference electrode, realized automatic Compensation, to provide measurement accuracy.

Application No. is CN201410828826.7, a kind of entitled " liquid electric conductivity measurement electricity with micro pump The liquid conductivity measurement electrode that pole " provides is made of two electrode, that is, first electrodes, second electrode and micro pump；Two Electrode, that is, first electrode, second electrode are the equal cylindrical straight tube of the unequal height of diameter, and first electrode is the circle for having bottom surface Cylindricality straight tube, second electrode are the cylindrical straight tube without bottom surface；Second electrode is coaxial with first electrode and end face is aligned installation, Two alignment electrode end surfaces are formed, wherein there is corresponding first electrode that end face of bottom surface to be known as the first alignment electrode end surface, Other end is known as the second alignment electrode end surface, and second electrode is surrounded first electrode, stayed between the cylindrical side wall of two electrodes There is uniform gap, the first alignment electrode end surface coaxially connects with the water outlet of micro pump.The innovative point of the technical program exists In preventing electrode surface to form firm electric double layer from assembling and adhering to ion, electrode polarization is avoided.

It is entitled " for measuring the method for conductivity and using this method application No. is CN201310560258.2 The system for measuring conductivity " method of measurement conductivity that provides includes: that conductivity standard solution is utilized to obtain conductance The cell constant of conductometric vessel in pond；It will wish in the solution measured injection conductance cell, and to change by stages in each preset time t The mode of scheduled DC voltage is come to the scheduled DC voltage of electrode application being located in conductance cell；According to voltage and peak value electricity Linear relationship between stream obtains the resistance of the solution as slope, and wherein peak point current is obtained for each voltage measurement 's；And the conductivity of solution is calculated using the resistance of cell constant of conductometric vessel and solution.

Although existing conductivity measuring device can keep preferable performance in light polluted water region, in heavily contaminated water Domain, there are watertights, and unreliable, filthy sundries influences measurement validity and the inflexible disadvantage of temperature calibration, especially cannot be to super The storage of sewage automatic sampling is marked, on-line monitoring result can not be reviewed.

The utility model provides a kind of fluid sampling device, cannot be to super existing for existing conductance measurement technology for overcoming The storage of mark sewage automatic sampling can not carry out reviewing at least one of these disadvantages to on-line monitoring result.

Summary of the invention

The utility model provides a kind of fluid sampling device, includes following module:

Sampling bottle (27), sampling bottle store module (33), and water pump (24) is fetched water control module (34), it is characterised in that:

Sampling bottle (27) is located in sampling bottle storage module (33), and water pump (24) passes through its water inlet pipe (25) from monitored water Sampling water is drawn in domain, is crossed its outlet pipe (26) for the sampling water and is injected the sampling bottle (27)；

Water intaking control module (34) exists with water pump (24) to be electrically connected, and is controlled the starting of water pump by the electrical connection or is stopped Only.

The device that the utility model provides, in which:

Sampling bottle storage module (33) be located at not in underwater or bubble through the water column on protective casing in；

The protective casing is at least one of waterproof, moisture-proof, rain-proof and sun-proof shell.

The device that the utility model provides, in which:

Sampling bottle storage module (33) includes that sampling bottle identifies submodule, for judging whether sampling bottle is in normal Position and at least one of the identity recognition number for obtaining sampling bottle；

Sampling bottle identifies that submodule includes in magnetic switch submodule, microswitch submodule and RFID reading submodule It is at least one.

The device that the utility model provides, in which:

The water inlet of sampling bottle (27) is connected by adapter with the outlet pipe (26) of water pump, which is directly to insert It pulls out formula or formula is tightened in rotation.

The device that the utility model provides, in which:

Water intaking control module (34) includes water intaking judging submodule and water intaking triggers submodule, also, control module of fetching water (34) exist with conductance measurement module (4) and water intaking measurement module (32) and be electrically connected.

The device that the utility model embodiment provides, can overcome cannot be to exceeded dirt existing for existing conductance measurement technology The storage of water automatic sampling can not carry out reviewing at least one of these disadvantages to on-line monitoring result.Online prison can be reviewed Survey as a result, and review the time it is flexible, it is not necessary to immediately enter monitoring field, reduce operator monitoring amount, have practicability.

Other features and advantages of the utility model will illustrate in the following description.

Detailed description of the invention

Fig. 1 is a kind of fluid sampling device composition schematic diagram that the utility model embodiment provides.

In figure, 1, first electrode；2, second electrode；3, water tank room is received；4, conductance measurement module；5, buoyant module；6, prevent Water interlayer；7, temp probe；8, sensor signal lines；9, rf signal line；10, antenna；11, outer line cable；12, outer lines Cable；13, protection cylinder；14, the water surface；15, barrel is protected；16, the first limition orientation component；17, the second limition orientation component；18, First limiting component；19, the second limiting component；20, side wall；21, servo motor；22, driving part；23, head is cleared up；24, water Pump；25, water inlet pipe；26, outlet pipe；27, sampling bottle；28, float；29, mangneto switchs；30, upper cover；31, permeable hole；32, it takes Water gaging module;33, sampling bottle stores module；34, water intaking control module；35, medium is cleared up.

Specific embodiment

The utility model provides a kind of fluid sampling device, cannot be to super existing for existing conductance measurement technology for overcoming The storage of mark sewage automatic sampling can not carry out reviewing at least one of these disadvantages to on-line monitoring result.It can review Line monitoring result, and it is flexible to review the time, it is not necessary to enter monitoring field immediately, reduce operator monitoring amount, there is practicability.

For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with attached drawing to this The embodiment of utility model is described in detail.It should be noted that in the absence of conflict, embodiment in the application and Feature in embodiment can mutual any combination.

With reference to the accompanying drawing, method for detecting position provided by the utility model citing, system citing are illustrated.

Embodiment one, a kind of fluid sampling device citing

It is shown in Figure 1, a kind of fluid sampling device embodiment provided by the utility model, comprising:

The monitored waters is the waters for placing water pump (24) and sampling bottle (27)；

Preferably, the monitored waters is with conductance measurement electrode position distance less than the waters within the scope of 1 meter, The conductance measurement electrode includes first electrode (1) and second electrode (2).

Sampling bottle (27) is used to store the water as sample, and sampling bottle (27) has single port or dual-port structure, described Single-port architecture includes one and both as water inlet or had been used as the bottleneck of water outlet；The dual-port structure include one as into The bottleneck at the mouth of a river and a bottleneck as water outlet.

Further, one float comprising permanent magnet of setting in sampling bottle (27), when the sample water water in sampling bottle When position rises, the float drive it includes permanent magnet rising, when water level is raised to predeterminated position, the permanent magnet reaches predetermined The corresponding mangneto switch (29) of water level, mangneto switch (29) do open or closed movement under the action of magnetic field of permanent magnet, utilize Mangneto switchs the open or closed movement of (29) it may determine that height of water level current in sampling bottle (27) out.

Specifically, the mangneto switch (29) is Hall switch.

The position of the water pump (24) is higher than the water surface (14), to reduce influence or reduction water pump that water oozes to water pump (24) (24) difficulty of waterproofing design.

Further, the movement of the motor of water pump (24) is controlled using the open or closed movement of mangneto switch (29).

The water pump is minisize dc water pump；

Further, the micro pump is the water pump using membrane configuration.

The device that the present embodiment provides, wherein

Specifically, sampling bottle storage module (33) is that sampling bottle (27) provide storage space, weight support power and appearance At least one of state retentivity, there are physical connections or physics to connect between sampling bottle storage module (33) and sampling bottle (27) Touching.

Further, the storage warehouse of sampling bottle storage module (33) is round, rectangular, polygon and compound shape Any one of.

The water pump (24) is located in the protective casing not in underwater or on bubbling through the water column, and water pump (24) includes that driving is electric Machine, driving motor are direct current supply；

The water pump includes the diaphragm that draws water, and is miniature diaphragm motor.

The device that the present embodiment provides, wherein

Whether the sampling bottle is in normal position, refers to whether sampling bottle is in from the outlet pipe (26) of water pump (24) and connects Required position when by sampling water；

The identity recognition number for obtaining sampling bottle, that is, obtain the number information of sampling bottle (27).

The RFID(Radio Frequency Identification) reading submodule, to be carried from sampling bottle (27) RFID chip read data submodule.

The magnetic switch submodule is the submodule based on Hall effect, when sampling bottle (27) are located at normally to by water level When setting (required position when receiving sampling water from the outlet pipe (26) of water pump (24)), the permanent magnetism that sampling bottle (27) carries also is located In the position for effectively triggering the magnetic switch submodule, the movement for opening or closing the magnetic switch by magnetic field；

The microswitch submodule is the switch for executing mechanical action, when sampling bottle (27) are located at normally to by water position When (required position when receiving sampling water from the outlet pipe (26) of water pump (24)), the touch component that is arranged on sampling bottle (27) Active force, the movement for opening or closing the microswitch submodule by the active force are generated to microswitch submodule.

The device that the present embodiment provides, wherein

In the process for sampling bottle (27) being taken out or being placed in sampling bottle storage module (33) from sampling bottle storage module (33) In, the adapter can easily realize switching on and off for sampling bottle (27) and outlet pipe (26) of water pump (24).

Further, the water outlet port of the sampling bottle (27) is covered with elastic pressure, when the hydraulic pressure in sampling bottle is super Out when predetermined value, the capping of elastic pressure described in the hydraulic drives is opened, water outlet of the water in sampling bottle (27) from sampling bottle (27) Port outflow；

In the case where sampling bottle (27) is in taking-up process or tilt state, the elastic pressure capping can be to avoid sampling water Outflow.

The device that the present embodiment provides, wherein

Specifically, the water intaking judging submodule that water intaking control module (34) includes passes through itself and conductance measurement module (4) Electrical connection obtains the conductivity data for being detected liquid, is judged whether to need using the conductivity data to detected water sampling, If it is required, then being electrically connected triggering water pump (24) work between water pump (24) driving circuit by water intaking triggering submodule, lead to The outlet pipes (26) of water pump (24) is crossed to sampling bottle (27) water delivery；Or

The water intaking judging submodule that water intaking control module (34) includes is by it between antenna (10) or External cable (12) Signal transmission passage obtain network side send sampling instruction order, obtain sample instruction order after, pass through water intaking triggering Being electrically connected triggering water pump (24) work between submodule and water pump (24) driving circuit, by the outlet pipes (26) of water pump (24) to Sampling bottle (27) water delivery.

Further, in water pump (24) by the outlet pipe (26) of water pump (24) to during sampling bottle (27) water delivery, Water intaking judging submodule is electrically connected the water amount information obtained in sampling bottle (27) between water intaking measurement module (32) by it, sentences Whether the water in disconnected sampling bottle (27) has reached predetermined amount, if so, being driven by water intaking triggering submodule and water pump (24) Electrical connection between circuit issues the trigger signal to stop pumping, which makes water pump (24) by water pump (24) driving circuit Stop to sampling bottle (27) water delivery.

Conductance measurement module (4) exists with first electrode (1) and second electrode (2) to be electrically connected, and conductance measurement module (4) is logical It crosses its signal transmission passage between antenna (10) or External cable (12) and conductivity measurement data is sent to network side.

The device that the present embodiment provides further includes water intaking measurement module (32), wherein

Water intaking measurement module (32) includes any one of contact type measurement submodule and non-contact measurement submodule；

The contact type measurement submodule is comprising pressure sensor, the microswitch of elastomeric element touch and by with elastic portion Any one of the Hall switch of the mobile magnet triggering of part；

The non-contact measurement submodule includes any one of hall measurement module or laser liquid level gauge.

Specifically, the contact type measurement submodule is located at the outside of sampling bottle (27), including being located at sampling bottle shell Downside, left or right side.

Specifically, the pressure sensor that the contact type measurement submodule includes is capacitance pressure transducer, inductance type Any one of pressure sensor and MEMS(micromechanics) pressure sensor, between contact type measurement submodule and sampling bottle (27) In the presence of directly contacting or there are weight transfer connections；By the weight change of sampling bottle (27) in comparison different time intervals, really Determine the moisture storage capacity in sampling bottle (27).

Specifically, the microswitch that the elastomeric element touches, structure is similar to key switch, the elastomeric element and Exist between sampling bottle (27) and directly contact or there are weight transfer connections, inner storing water amount reaches reservation value in sampling bottle (27) Afterwards, the gravitational force urges microswitch of sampling bottle (27) and its water of storage movement.

Specifically, the Hall switch by the magnet triggering moved with elastomeric element, the elastomeric element and sampling bottle (27) exist between and directly contact or there are weight transfer connections, after sampling bottle (27) inner storing water amount reaches reservation value, sample Telescopic moving, the magnetic of movement with the movement of sampling bottle (27) occur for the gravitational force urges elastomeric element of bottle (27) and its water of storage Body, or the flexible and mobile magnet triggering Hall switch movement with elastomeric element.

Specifically, in non-contact measurement submodule, hall measurement module includes to be located at floating in sampling bottle (27) Magnet and the Hall switch external positioned at sampling bottle (27) corresponding with the magnet；Or

The laser liquid level gauge that non-contact measurement submodule includes includes the laser being located inside or outside sampling bottle (27) Range finder module.

Specifically, it is described in sampling bottle (27) can floating magnet, it is mobile with water level and trigger on location Hall switch.

The device that the present embodiment provides, wherein

The hall measurement module, comprising the float (28) being located in sampling bottle (27), which includes magnet；And And (29) are switched comprising being located at least one external mangneto of sampling bottle (27), mangneto switchs (29) in float (28) and is included Magnet under the action of execute the movement of on or off.

Specifically, when multiple mangneto switches (29) are arranged on the different height in the outside of sampling bottle (27), using not Multiple elevation informations that the available sampling bottle of movement (27) interior water level of the on or off of (29) is switched with the mangneto at height, than Such as, the information that sampling bottle (27) interior water level is in the bottom of sampling bottle can be obtained, acquisition sampling bottle (27) interior water level, which is in, to be taken The information at the middle part of sample bottle.

The device that the present embodiment provides further includes cleaning head (23), wherein

Cleaning head (23) is connected by driving part (22) with the power output part of servo motor (21), in servo motor (21) under driving, head (23) is cleared up and drive the movement in cleaning medium (35) of conductance measurement electrode, pass through movement realization pair The cleaning of deposit on first electrode (1), second electrode (2) external water receiving face.

Specifically, the cleaning head (23) drives the movement in cleaning medium (35) of conductance measurement electrode, including such as down toward A kind of few movement:

It is moved up and down in cleaning medium (35)；

It is moved left and right in cleaning medium (35)；And

It makes rotating motion in cleaning medium (35).

Specifically, by driving conductance measurement electrode to move in cleaning medium, first electrode (1), second will be deposited on Microorganism or dunghill on the water receiving face of electrode (2) expel, to reduce microorganism or dunghill to conductivity measurement amount It influences.

Specifically, the driving part (22) is drive rod or transmission belt.

The servo motor (21) is located at the top of cleaning head (23), passes through between servo motor (21) and cleaning head (23) Driving part (22) transmits power；

Preferably, the position of servo motor (21) is higher than the water surface (14), to reduce the shadow that water oozes to servo motor (21) Ring or reduce the difficulty of servo motor (21) waterproofing design.

The device that the present embodiment provides, wherein

The cleaning medium (35) includes at least one of hairbrush or gravel.

Preferably, the cleaning medium (35) is gravel.

Further, the cleaning medium (35) is located at first electrode (1) and second electrode (2) lower part or side.

The device that the present embodiment provides, wherein

The conductance measurement module (4) is located in waterproof cabin (32), passes through sensor signal lines (8) and first electrode (1) and second electrode (2) realizes electrical connection；

The buoyant module (5) is located at least one position in the inside, outside portion and outer lower part in waterproof cabin (32), Under the action of buoyant module (5), the position of first electrode (1), second electrode (2) and conductance measurement module (4) is with the water surface (14) variation of height and change.

The first electrode (1) and second electrode (2) are all pellet electrode or columnar electrode.

Specifically, the first electrode (1) and second electrode (2), which are located at, receives in water tank room (3), receive water tank room (3) Any position in the lower part of buoyant module (5), side lower part and side.

Preferably, when first electrode (1) and second electrode (2) are all pellet electrode, first electrode (1) and second electrode (2) it is in the same plane；

Preferably, when first electrode (1) and second electrode (2) are all columnar electrode, first electrode (1) and second electrode (2) axis parallel or conllinear.

The bottom of the waterproof cabin (32) is made of waterproof interlayer (6)；Or

The side wall of the waterproof cabin (32) and bottom are made of waterproof interlayer (6)；Or

The waterproof cabin (32) is collectively formed by waterproof interlayer (6) and the side wall (20) of device.

The sensor signal lines (8) be used for conductance measurement module (4) and first electrode (1) and second electrode (2) it Between establish electrical connection；Or

The sensor signal lines (8) be used for conductance measurement module (4) and first electrode (1), second electrode (2) and Electrical connection is established between temp probe (7).

Specifically, sensor signal lines (8) include the conducting wire of two or two or more separate conductives.

First electrode (1, second electrode (2), conductance measurement module (4), buoyant module (5) and the waterproof cabin It (32) is the structure entirety for being physically present connection, which is integrally placed in protection cylinder (13), and with protection cylinder (13) lifting of the water level in and go up and down.

The device that the present embodiment provides, wherein

The conductance measurement module (4) is realized by sensor signal lines (8) and first electrode (1) and second electrode (2) Electrical connection, sensor signal lines (8) pass through waterproof interlayer (6) or upper cover (30) enters waterproof cabin (32)；Also,

The conductance measurement module (4) is electrically connected by rf signal line (9) with antenna (10) realization or the conductance is surveyed Amount module (4) is realized with External cable (12) by outer line cable (11) and is electrically connected.

It is internal or external that the antenna (10) is located at waterproof cabin (32)；

It is internal that the preferably described antenna (10) is located at waterproof cabin (32).

The outer line cable (11) is the conducting wire for guiding cable socket into from conductance measurement module (4), the outer line cable (11) It is realized and is electrically connected with External cable (12) by cable socket.

The External cable (12) is for realizing at least one of following function:

Power supply is provided at least one of conductance measurement module (4), water pump (24) and servo motor (21)；

Control command is sent to conductance measurement module (4)；And

Measurement data is sent to network side.

It is described to include: to network side transmission measurement data

Measurement data is sent to wireless relay nodes by External cable (12), is sent measurement data by the relay node To cloud or background server node.

Specifically, the wireless relay nodes are NB-IOT wireless relay nodes, and NB-IOT wireless relay nodes will measure Data are sent to cellular mobile communications networks or receive control command from cellular mobile communications networks.

The antenna (10), for measuring signal to be sent to network side node by wireless channel.

Specifically, the antenna (10) is LoRa(Long Range) terminal, NB-IOT terminal and WLAN terminal Any one of, the network side node is LoRa(Long Range) base station, cellular mobile communication base station and WLAN Any one of access point.

The device that the present embodiment provides, wherein

The conductance measurement module (4) includes conductance measurement submodule；And

Comprising in data transmission module, measurement control submodule, sampling control submodule and temperature measurement submodule It is at least one.

Described includes conductance measurement submodule, for the conductivity measurement control to water, includes:

The data transmission module, for measurement data to be sent to antenna (10) or is sent to External cable (12), Or, including for receiving control command from antenna (10) or from External cable (12):

The measurement control submodule, for at least one in conductance measurement control and servo motor (21) action control Kind, include:

The sampling control submodule includes for the action control to water pump (24):

The temperature measures submodule, and time window and frequency frequency for measuring temperature control, and includes:

The device that the present embodiment provides, wherein

The buoyant module (5) is located at least one position in the inside, outside portion and outer lower part in waterproof cabin (32), It is characterized by:

When buoyant module (5) is located at the inside in waterproof cabin (32), which is separated out by waterproof interlayer (6) Waterproof cabin (32) in segment space constitute；

When buoyant module (5) is located at the outside portion in waterproof cabin (32), the buoyant module (5) is by water-proof air-inflated sealed compartment Room or the cabin of foamed material filling are constituted；

When buoyant module (5) is located at the following side in waterproof cabin (32), the buoyant module (5) is by water-proof air-inflated sealed compartment Room or the cabin of foamed material filling are constituted.

Specifically, the segment space in waterproof cabin (32) that buoyant module (5) module is separated out by waterproof interlayer (6) It constitutes, comprising:

The space that setting is filled by gas in waterproof cabin (32), the aquatic products capture power of space discharge, the buoyancy are made Block combiner for being made of module (1~2,4~12,18~30).

Specifically, the buoyant module (5) is made of the cabin that water-proof air-inflated seal hatch or foamed material are filled, and is wrapped It includes:

The aquatic products capture power of the cabin discharge of water-proof air-inflated seal hatch or foamed material filling, buoyancy Yu Youmo The block combiner that block (1~2,4~12,18~30) is constituted.

Preferably, the buoyancy is a kind of preferable in the block combiner being made of module (1~2,4~12,18~30) Be achieved in that:

Under buoyancy, the upper port or upper cover (30) of waterproof cabin (32) are higher than the water surface (14).

The device that the present embodiment provides further includes temp probe (7), it is characterised in that:

The temp probe (7) is located at least partially to be received in water tank room (3), and passes through sensor signal lines (8) and electricity It leads measurement module (4) and realizes electrical connection.

The device that the present embodiment provides further includes limiting component, wherein

Limiting component include be located at side wall (20) on the first limiting component (18) and the second limiting component (19) in extremely One few, the limiting component is limiting groove or positive stop strip；Or

Limiting component includes the limit hole being located on the inside of side wall (20).

The side wall (20) is the external side wall for the block combiner being made of module (1~2,4~12,18~30), side wall (20) shape is any one of cylindrical, square column type and Polygonal column shape.

The limiting component is limiting groove, a kind of specific implementation are as follows: the first limiting component (18) and/or second Limiting component (19) is the vertical groove being arranged on side wall (20) outside；

The limiting component is positive stop strip, a kind of specific implementation are as follows: the first limiting component (18) and/or the second limit Position component (19) is the vertical spacing item being arranged on side wall (20) outside；

The limiting component is the limit hole on the inside of side wall (20), a kind of specific implementation are as follows: the first limit Component (18) and/or the second limiting component (19) are the vertical spacing hole being arranged in side wall (20) inner space.

The device that the present embodiment provides further includes protection cylinder (13), wherein

Protection cylinder (13) can accommodate side comprising protecting barrel (15), permeable hole (31), also, containing in the protection cylinder (13) The space for the component that wall (20) and side wall (20) are included.

The protection cylinder (13) is used to provide protection for the block combiner being made of module (1~2,4~12,18~30), It prevents the large-scale position of the block combiner from drifting about, avoids sundries in water from accumulating on the block combiner, especially avoid in water Sundries is receiving accumulation in water tank room (3), and the sundries of this accumulation will affect conductivity measurement and influence pump working；The protection Cylinder (13) is any one of cylindrical, square column type and Polygonal column shape.

The protection barrel (15), for limiting the block combiner being made of module (1~2,4~12,18~30) Position, and the block combiner to be made of module (1~2,4~12,18~30) provides limition orientation structure when moving up and down；Institute Stating limition orientation structure includes at least one of the first limition orientation component (16) and the second limition orientation component (17), limit The rotary motion for the block combiner that guide frame is used to prevent from being made of module (1~2,4~12,18~30), because of the module Combined rotary motion will lead to the winding of External cable (12).

The permeable hole (31) includes multiple permeable holes in protection barrel (15) setting for filtering out sundries in water.

Contain the space that can accommodate the component that side wall (20) and side wall (20) are included in the protection cylinder (13), that is, Contain the space that can accommodate the block combiner being made of module (1~2,4~12,18~30) in casing (13)；The side wall (20) and side wall (20) component that is included includes the block combiner being made of module (1~2,4~12,18~30).

The device that the present embodiment provides, wherein

Limition orientation component is provided in protection barrel (15), the limition orientation component includes the first limition orientation portion At least one of part (16) and the second limition orientation component (17)；

When the limiting component being located on side wall (20) is limiting groove, the limition orientation component is recessed with the limit The guiding raised line of slot cooperation；

When the limiting component being located on side wall (20) is positive stop strip, the limition orientation component is to match with the positive stop strip The guiding groove of conjunction；

When the limiting component being located on the inside of side wall (20) is limit hole, the limition orientation component is to be placed in the limit Guide rod in hole.

Device provided by the embodiment of the utility model can use electronic technology, wireless radio transmission skill in whole or in part Art and Internet technology are realized；The module or unit that device provided by the embodiment of the utility model includes can use Machinery Ministry Part or electronic component are realized.

The above, only the preferred embodiment of the utility model, not is used to limit the guarantor of the utility model Protect range.Technical staff in any field described in the utility model is not departing from spirit disclosed by the utility model and model Under the premise of enclosing, any modification and variation, but the protection model of the utility model can be carried out in the form and details of implementation It encloses and is subject to the confining spectrum of appended claims.

The fluid sampling device that the utility model provides, overcoming cannot be to exceeded dirt existing for existing conductance measurement technology The storage of water automatic sampling can not carry out reviewing at least one of these disadvantages to on-line monitoring result.Online prison can be reviewed Survey as a result, and review the time it is flexible, it is not necessary to immediately enter monitoring field, reduce operator monitoring amount, have practicability.

Claims

1. a kind of fluid sampling device, including sampling bottle (27), sampling bottle stores module (33), water pump (24), water intaking control mould Block (34), it is characterised in that:

Sampling bottle (27) is located in sampling bottle storage module (33), and water pump (24) is drawn by its water inlet pipe (25) from monitored waters Sampling water is taken, its outlet pipe (26) is crossed by the sampling water and injects the sampling bottle (27)；

Water intaking control module (34) exists with water pump (24) to be electrically connected, and controls starting or stoping for water pump by the electrical connection.

2. the apparatus according to claim 1, it is characterised in that:

3. the apparatus according to claim 1, it is characterised in that:

Sampling bottle storage module (33) includes that sampling bottle identifies submodule, for judging whether sampling bottle is in normal position With at least one of the identity recognition number for obtaining sampling bottle；

Sampling bottle identify submodule include magnetic switch submodule, microswitch submodule and RFID reading submodule at least It is a kind of.

4. the apparatus according to claim 1, it is characterised in that:

The water inlet of sampling bottle (27) is connected by adapter with the outlet pipe (26) of water pump, which is direct plug-in Or formula is tightened in rotation.

5. the apparatus according to claim 1, it is characterised in that:

Water intaking control module (34) includes water intaking judging submodule and water intaking triggers submodule, also, fetches water control module (34) Exist with conductance measurement module (4) and water intaking measurement module (32) and is electrically connected.

6. the apparatus according to claim 1 further includes water intaking measurement module (32), it is characterised in that:

The contact type measurement submodule is comprising pressure sensor, the microswitch of elastomeric element touch and by moving with elastomeric element Any one of the Hall switch of dynamic magnet triggering；

7. device according to claim 6, it is characterised in that:

The hall measurement module, comprising the float (28) being located in sampling bottle (27), which includes magnet；Also, (29) are switched comprising being located at least one external mangneto of sampling bottle (27), the magnetic that mangneto switch (29) is included in float (28) The movement of on or off is executed under the action of body.

8. the apparatus according to claim 1 further includes cleaning head (23), it is characterised in that:

Cleaning head (23) is connected by driving part (22) with the power output part of servo motor (21), in servo motor (21) Driving under, cleaning head (23) drive conductance measurement electrode cleaning medium (35) in movement, by the movement realize to first The cleaning of deposit on electrode (1), second electrode (2) external water receiving face.

9. device according to claim 8, it is characterised in that:

The cleaning medium (35) includes at least one of hairbrush or gravel.