CN207452145U

CN207452145U - A kind of pipeline biomembrane sampling system based on electric drive

Info

Publication number: CN207452145U
Application number: CN201720847576.0U
Authority: CN
Inventors: 申屠华斌
Original assignee: Shanghai Water Engineering Design and Research Institute Co Ltd
Current assignee: Shanghai Water Engineering Design and Research Institute Co Ltd
Priority date: 2017-07-13
Filing date: 2017-07-13
Publication date: 2018-06-05
Anticipated expiration: 2027-07-13

Abstract

A kind of pipeline biomembrane sampling system and the method for sampling based on electric drive disclosed in the utility model, including sampling apparatus, water storage device and sampling driving and water injector, driving mechanism and water spraying mechanism are integrated in sampling driving and water injector, water spraying mechanism is connected with water storage device, driving mechanism is connected with sampling apparatus by a telescoping mechanism, and driving sampling apparatus rotation is sampled；Water spray end in water spraying mechanism is located at the output terminal one side of driving mechanism.The utility model takes into full account the characteristics of actual pipeline biomembrane sampling, can preferably be applied to the sampling situations of different tubing and caliber, avoid living contaminants caused by artificial sample, the error generated when reducing quantitative.Researcher is facilitated to carry out biomembrane sampling to the municipal water supply pipeline of different tubing, different tube diameters simultaneously, the water that scrub can control to spray during sampling, and scrub speed and the time in each region of pipeline are adjusted as needed, efficiency and convenience are taken into account, avoids some shortcomings of conventional method.

Description

A kind of pipeline biomembrane sampling system based on electric drive

Technical field

It is more particularly to a kind of based on electrical line biomembrane sampling system the utility model is related to biomembrane sampling technique field System and the method for sampling, have the characteristics that Labor-saving high-efficiency compared with the traditional-handwork biomembrane method of sampling, effectively improve correlation The work efficiency of area research personnel.

Background technology

In the water supply line of municipal network system, due to microorganism secretion extracellular polymeric, a large amount of microorganisms are mutually viscous It is attached and be attached to inner-walls of duct, so as to form biomembrane.

Biomembrane is conducive to the variation that pathogenic microorganisms adapts to water-power environment, and provides necessary nutrition and growth for them Place ensures the required every physiological metabolism activity of existence.Therefore, most microorganisms in pipe network are all enriched in biology In film, the important preposition link that sampling also becomes pipeline microbe research is carried out to biomembrane.However current pipeline biology Film sampling routine has that the preciseness and normalization for making research work are challenged.

Current traditional-handwork operation usually in pilot scale platform or tears tube field progress open, and there are mainly two types of methods：One is Sampling is directly scraped in inner-walls of duct using cotton swab, this way describes more in current pertinent literature, but actually adopts The efficiency and poor quality of sample, the biomembrane sample gathered is difficult representative；It is another then be using hairbrush sample, will tear open Pipeline placement or padded with certain angle of inclination vertically is unloaded, sterile water is squeezed out into elution in pipeline in the wash bottle of pipeline one end Wall, while scrubbed the biomembrane adhered to thereon using hairbrush, finally by inserts such as the leacheate being collected into and mortars Sterile sampling bottle is transferred to through pallet.

Above-mentioned conventional method there are the problem of have：

(1) operating process on biomembrane sampling is in the industry there is no unified standard, during academic exchange Cause difficulty；

(2) process is cumbersome, inefficiency, and at least operator brush of starting is needed to manage and collect leacheate per segment pipe, The time spent in the case where being short of hands is longer；

(3) it cannot be guaranteed that pipeline internal sample is complete, the position at the pipeline under dismantling close to both ends samples more thoroughly, and manages Road central region is inevitably omitted；

(4) line size is various in municipal network system, manually tube brush diameter selection underaction used in sampling； (5) overlong time that the pipeline that pilot scale platform unloads is stored in experimental place easily by the middle living contaminants of air, is difficult to simultaneously Reach the requirement of sterile working.

Utility model content

The utility model aims to overcome that the deficiencies in the prior art, to simplify pipeline biomembrane sampling operation, specification It samples flow and a kind of pipeline biomembrane sampling system based on electric drive is provided.The pipeline biomembrane based on electric drive is adopted Sample system takes into full account the characteristics of actual pipeline biomembrane sampling, can preferably be applied to the sampling situations of different tubing and caliber, Living contaminants caused by avoiding artificial sample, the error generated when reducing quantitative.Facilitate researcher to different tubing, no simultaneously Municipal water supply pipeline with caliber carries out biomembrane sampling, and when sampling can control the water that scrub sprays, and adjust as needed The scrub speed in each region of pipeline and time, efficiency and convenience are taken into account, avoid some shortcomings of conventional method.

In order to realize foregoing invention purpose, technical solution is as follows used by the utility model:

A kind of pipeline biomembrane sampling system based on electric drive, including sampling apparatus, water storage device and sampling driving And water injector, the driving mechanism and water spraying mechanism of the sampling apparatus are integrated in the sampling driving and water injector, Water inlet end in the water spraying mechanism is connected with the water storage device, and the output terminal of the driving mechanism leads to the sampling apparatus It crosses a telescoping mechanism and connects and pass through the telescoping mechanism and the sampling apparatus rotation is driven to be sampled；In the water spraying mechanism Water spray end be located at the output terminal one side of the driving mechanism.

In a preferred embodiment of the utility model, the sampling apparatus is a removable changing brush head.

In a preferred embodiment of the utility model, a diameter of 1cm, 3cm, 5cm of the removable changing brush head or 10cm。

In a preferred embodiment of the utility model, the telescoping mechanism is a Telescopic rotary axis, this is scalable Rotation axis by more piece rotation axis is telescopically connected and formed successively, wherein from the sampling driving and water injector number, first segment rotation The first end of shaft and the output terminal of the driving mechanism are sequentially connected, and the second end of first segment rotation axis is revolved with the described second section The first end of shaft stretches and is sequentially connected, and so on, the second end of upper section rotation axis and the first of next section rotation axis End is flexible and is sequentially connected, and the second end of final section rotation axis is detachably sequentially connected with the removable changing brush head.

In a preferred embodiment of the utility model, flexible locating button is provided between the rotation axis of two adjacent sections, The flexible locating button is realizing being fixedly connected between two adjacent sections rotation axis.

In a preferred embodiment of the utility model, the water storage device is in series by multiple sliceable wash bottles, There are one bottle, the bottle is interior to be had there are one water containing chamber each sliceable wash bottle tool, to be set respectively at the both ends of the bottle There are one male connection and a female adapter, from the sampling driving and water injector number, first sliceable to wash Bottle female adapter be threadedly coupled with the water inlet end in the water spraying mechanism, the female adapter of second sliceable wash bottle and The male connection of first sliceable wash bottle is threadedly coupled, and so on, the external screw thread of a upper sliceable wash bottle connects Head is threadedly coupled with the female adapter of next sliceable wash bottle, is revolved in the male connection of the last one sliceable wash bottle There is a spiral cover.

In a preferred embodiment of the utility model, the center of gravity of the water storage device is located at sampling apparatus rotation On the coaxial extension line of central axis.

In a preferred embodiment of the utility model, the sampling driving and water injector include a housing and integrate In the driving mechanism and water spraying mechanism of the in vivo sampling apparatus of the shell, wherein the driving mechanism of the sampling apparatus includes It is arranged on the in vivo rechargeable battery of the shell, circuit board, driving motor and the rotation master for forming the driving mechanism output terminal Switch on axis and the setting housing, the rechargeable battery and the circuit board electrical connection, the circuit board pass through institute State switch be electrically connected with the driving motor, the live spindle axis set on the housing and the first end of the live spindle and The output shaft of the driving motor is sequentially connected, the second end of the live spindle stretch out the housing and with the scalable rotation The first end connection of first segment rotation axis in shaft；

The water spraying mechanism is including being arranged on the in vivo hose of the shell, sliding configuration is opened in the in vivo water supply of the shell Driving mechanism is closed, further include the sparge pipe at the water spray end for forming the water spraying mechanism and forms the water inlet end in the water spraying mechanism Water supply connector, be provided with a Water supply switch valve on the hose, the confession water-driven end in the Water supply switch valve driving mechanism It is drivingly connected with the Water supply switch valve, the operating side in the Water supply switch valve driving mechanism is located at outside the housing；The water spray By one 360 ° of turning joint installations on the housing, the end that enters of the sparge pipe is connected pipe with one end of the hose, The outlet of the sparge pipe is located at outside the housing；On the housing, which enters end for the water supply connector installation Be connected outside the housing and with the female adapter of first sliceable wash bottle, the outlet of the water supply connector with it is described The other end connection of hose.

In a preferred embodiment of the utility model, the electricity exposed outside the housing is provided on the circuit board Source indicator light and charge port.

In a preferred embodiment of the utility model, the switch is rotating speed driving switch.

In a preferred embodiment of the utility model, the water spraying mechanism further include a pressurization water bottle, pressurizing valve with And pressurizing valve resetting spring, the valve body of the pressurizing valve are mounted on the bottle of the pressurization water bottle, the work in the pressurizing valve One end of plug is stretched into the bottle chamber of the pressurization water bottle, and the pressurizing valve resetting spring is arranged on the bottle chamber of the pressurization water bottle Interior, which contacts with the pressurization water bottle bottle, the other end and the piston contact in the pressurizing valve, The piston other end in the pressurizing valve is connected with the pressurised driving end in the Water supply switch valve driving mechanism；The pressurization water bottle It is connected with the other end of the hose, the outlet of the water supply connector is connected by a check valve with the pressurization water bottle, should Check valve controls the water in the sliceable wash bottle to flow into the pressurization water bottle, and the water in the pressurization water bottle will not flow back to institute It states in sliceable wash bottle.

In a preferred embodiment of the utility model, the Water supply switch valve driving mechanism includes one and forms the water supply The trigger of operating side in driving mechanism for switches, a drive rod and a pair of supporting rod for carrying sliding slot, a pair carry the branch of sliding slot Strut is mounted in the housing, a pair of of sliding pin is configured on the drive rod, a pair of of sliding pin is slidably supported on a pair respectively In the sliding slot of supporting rod；The trigger is connected with the drive rod and is located at outside the housing, and confession is provided on the drive rod Water drive moved end and pressurised driving end.

As a result of as above technical solution, pipeline biomembrane sampling system of the utility model based on electric drive is abundant The characteristics of considering actual pipeline biomembrane sampling can preferably be applied to the sampling situations of different tubing and caliber, avoid manually adopting Living contaminants caused by sample, the error generated when reducing quantitative.Facilitate city of the researcher to different tubing, different tube diameters simultaneously Political affairs water supply line carries out biomembrane sampling, and when sampling can control the water that scrub sprays, and adjust each region of pipeline as needed Scrub speed and the time, take into account efficiency and convenience, avoid some shortcomings of conventional method.

Description of the drawings

Fig. 1 is pipeline biomembrane sampling system structure diagram of the utility model based on electric drive.

Fig. 2 is the structure of the sampling apparatus structure in pipeline biomembrane sampling system of the utility model based on electric drive Schematic diagram.

Fig. 3 is the telescoping mechanism structural representation in pipeline biomembrane sampling system of the utility model based on electric drive Figure.

Fig. 4 is sampling driving and water injector in pipeline biomembrane sampling system of the utility model based on electric drive Structure diagram.

Fig. 5 is that the structure of the detachable wash bottle in pipeline biomembrane sampling system of the utility model based on electric drive is shown It is intended to.

Specific embodiment

Referring to Fig. 1, a kind of pipeline biomembrane sampling system based on electric drive shown in figure, including sampling apparatus 100th, water storage device 200 and sampling driving and water injector 300, sampling is integrated with sampling in driving and water injector 300 The driving mechanism and water spraying mechanism (being described in detail below) of device, the water inlet end in water spraying mechanism are connected with water storage device 200, The output terminal of driving mechanism, which is connected by a telescoping mechanism 400 with sampling apparatus 100 and passes through telescoping mechanism, drives sampling apparatus 100 rotations are sampled；Water spray end in water spraying mechanism is located at the output terminal one side of driving mechanism.

Referring to Fig. 2, sampling apparatus 100 be a removable changing brush head 110, removable changing brush head 110 be equipped with four kinds of different sizes into Set supply, removable 110 diameter of changing brush head are respectively 1cm, 3cm, 5cm and 10cm, and can independently be selected according to operation pipeline section feature can Change brush head diameter.The removable changing brush head 110 of the recommendation 1cm diameters of DN40 and following caliber, DN125 and following caliber The removable changing brush head 110 of recommendation 3cm diameters, the removable changing brush head 110 of the recommendation 5cm diameters of below DN300 calibers, The removable changing brush head 110 of the recommendation 10cm diameters of DN300 and more than caliber.A shaft bar is connected on removable changing brush head 110 120, shaft bar 120 is provided with a turret head 121 with one end that telescoping mechanism 400 is connected, and is so connected with telescoping mechanism 400 Afterwards, be not in shifting phenomena when rotation.

Referring to Fig. 3, telescoping mechanism 400 is a Telescopic rotary axis, the Telescopic rotary axis by three section rotation axis 410, 420th, 430 be telescopically connected composition successively, three section rotation axis 410,420,430 are made of stainless steels, diameter from thick to thin, Rotation axis 410 is most thick, and rotation axis 420 is taken second place, and rotation axis 430 is most thin.Three section rotation axis 410,420,430 length be respectively 208mm、200mm、200mm.The output terminal of 410 one end of rotation axis and driving mechanism is sequentially connected, the other end of rotation axis 410 It stretches and is sequentially connected with one end of rotation axis 420, the other end of rotation axis 420 and one end of rotation axis 430 are stretched and be driven Connection, the other end of rotation axis 430 are provided with hexagonal internal bore 431, and the turret head 121 on shaft bar 120 is inserted into when connecting Hexagonal internal bore 431 in rotation axis 430 so that the two is not in shifting phenomena when rotation.

Flexible locating button 440 is provided between rotation axis 410 and rotation axis 420, between rotation axis 420 and rotation axis 430 Flexible locating button 450 is provided with, when not working, rotation axis 420 is returned in the endoporus of rotation axis 410, and rotation axis 430 is retracted Into the endoporus of rotation axis 420, during work, it is certain that rotation axis 420 by the locating button 440 that stretches is extended into rotation axis 410 Length, rotation axis 430 extends the certain length of rotation axis 420 by flexible locating button 450, so as to change telescoping mechanism 400 Overall length.

(also may be used certainly with reference to referring to Fig. 1 and Fig. 5, water storage device 200 is in series by two sliceable wash bottles 210,220 With multiple).The capacity of sliceable wash bottle 210,220 is 250mL, is made of PVC material.Sliceable wash bottle 210,220 has There are one bottle 211,221, there are one water containing chambers for the interior tool of bottle 211,221.One is respectively arranged at the both ends of bottle 211,221 A male connection 212,222 and a female adapter 213,223.

The female adapter 213 of sliceable wash bottle 210 is threadedly coupled with the water inlet end in water spraying mechanism, sliceable wash bottle 220 female adapter 223 is threadedly coupled with the male connection 212 of sliceable wash bottle 210, in the outer of sliceable wash bottle 220 A spiral cover 230 is rotary on nipple 213.The center of gravity of two sliceable wash bottles 210,220 is located in the rotation of sampling apparatus 100 On the coaxial extension line of mandrel line, the pipeline biomembrane sampling system based on electric drive can so be kept to be balanced when using steady It is fixed.

Referring to Fig. 3, sampling driving and water injector 300 include a housing 310 and the sampling apparatus being integrated in housing 310 Driving mechanism and water spraying mechanism.

The driving mechanism of sampling apparatus includes the rechargeable battery 321 being arranged in housing 310, circuit board 322, driving Rotating speed driving switch 325 on motor 323 and the live spindle 324 of composition driving mechanism output terminal and setting housing 310, Rechargeable battery 321 is electrically connected with circuit board 322, and circuit board 322 is electrically connected by rotating speed driving switch 325 and driving motor 323 It connects.

Driving motor 323 is supported on by electric machine support 326 in housing 310, the output shaft of the driving motor 323 and rotation One end of main shaft 324 is sequentially connected, and live spindle 324 is set on the housing 310 by 327 axis of bearing, live spindle 324 it is another One end is stretched out housing 310 and is connected with the rotation axis 410 in Telescopic rotary axis.

Rotating speed driving switch 325 is provided with high speed, middling speed, low speed, stopping fourth gear, to realize to 232 rotating speed of driving motor Control, with the different sampling request of correspondence.

The power supply indicator 328 and charge port 329 exposed outside housing 310 is provided on 322 plate of circuit, passes through charge port 329 and circuit board 322 can charge to rechargeable battery 321.

Water spraying mechanism includes the Water supply switch valve of hose 331, sliding configuration in housing 310 being arranged in housing 310 Driving mechanism, the pressurization water bottle 334 being arranged in housing 310, pressurizing valve 335 and pressurizing valve resetting spring 336, further include structure Into the water supply connector 333 of the water inlet end in the sparge pipe 332 and composition water spraying mechanism at the water spray end of water spraying mechanism.

One hard tube 337 is installed in housing 310, hose 331 is mounted in hard tube 337, to protect hose 331. A Water supply switch valve 331a is provided on hose 331, one end of hose 331 can be directly connected with water supply connector 333, It can be connected with pressurization water bottle 334, in specific embodiment of the present utility model, one end of hose 331 is and the water bottle that pressurizes 334 connections.

Sparge pipe 332 is installed on the housing 310 by one 360 ° of turning joints 338 so that the angle of run of sparge pipe 332 It spends freely adjustable.360 ° of turning joints 338 can be a ball.The other end of hose 331 and the end that enters of sparge pipe 332 connect It connects, the outlet of sparge pipe 332 is located at outside housing 310.

The valve body of pressurizing valve 335 is mounted on the bottle of pressurization water bottle 334, and one end of the piston in pressurizing valve 335 is stretched into It pressurizes in the bottle chamber of water bottle 334, pressurizing valve resetting spring 336 is arranged on the bottle intracavitary of pressurization water bottle 334, which resets bullet 336 one end of spring is contacted with pressurization 334 bottle of water bottle, the other end and the piston contact in pressurizing valve 335.

Water supply connector 333 is installed on the housing 310, and the outlet of water supply connector 333 passes through a check valve (not shown) It is connected with pressurization water bottle 334, which controls the water in sliceable wash bottle 210,220 to flow into pressurization water bottle 334, pressure (hydraulic) water Water in bottle 334 will not be flowed back in sliceable wash bottle 210,220.The end that enters of water supply connector 333 is located at outside housing 310 and with that can spell The female adapter 213 for connecing wash bottle 210 connects.

Water supply switch valve driving mechanism includes a trigger 411, one for forming the operating side in Water supply switch valve driving mechanism and drives Bar 412 and a pair of supporting rod 413,414 for carrying sliding slot 413a, 414a, a pair carry the supporting rod of sliding slot 413a, 414a 413rd, 414 it is mounted in housing 310, a pair of of sliding pin 412a, 412b, a pair of of sliding pin 412a, 412b is configured on drive rod 412 It is slidably supported on respectively in sliding slot 413a, 414a of a pair of support rods 413,414；Trigger 411 is connected with drive rod 412 and position In outside housing 310,

It is provided on drive rod 412 for water-driven end 412c and pressurised driving end 412d, for water-driven end 412c with supplying water It switchs 331a to be drivingly connected, pressurised driving end 412d and the other end of the piston in pressurizing valve 335 are drivingly connected.

In its natural state, without finger cocking 411, under the effect of pressurizing valve resetting spring 336, pressurizing valve 335 In piston, the drive rod 412 in Water supply switch valve driving mechanism be in initial position, Water supply switch valve 331a, which is in, closes shape State, two sliceable wash bottles 210,220 and the sterile water to pressurize in water bottle 334 will not pass through hose 331 and flow into sparge pipe 332 In and sprayed by sparge pipe 332.In the operating condition, with finger cocking 411, trigger 411 drives drive rod 412 to work Locality moves, and the pressurised driving end 412d on drive rod 412 forces the piston in pressurizing valve 335 that pressurizing valve is being overcome to reset It is moved after the resistance of spring 336 to compression aspect, while the confession water-driven end 412c on drive rod 412 beats Water supply switch valve 331a It opens, the sterile water to pressurize at this time in water bottle 334 is flowed into sparge pipe 332 by hose 331 and sprayed by sparge pipe 332.Pine Trigger 411 is opened, under the effect of pressurizing valve resetting spring 336, the drive in piston, Water supply switch valve driving mechanism in pressurizing valve 335 Lever 412 returns to initial position, and the pressure pressurizeed at this time in water bottle 334 reduces, and check valve starts, sliceable wash bottle 210,220 In sterile water add to pressurization water bottle 334 in.

The method of sampling of the above-mentioned pipeline biomembrane sampling system based on electric drive, comprises the following steps：

(1) sterilization step

Sampling starts to carry out the sliceable wash bottle 210,220 in water storage device 200 and sampling driving and water injector 300 Alcohol disinfecting, in sampling apparatus 100 removable changing brush head 110, receive biomembrane leacheate pallet and stent need by High-temperature sterilization processing；

(2) sterile water step is filled

It is filled to the pressurization water bottle 334 in the sliceable wash bottle 210,220 and water spraying mechanism in water storage device 200 sterile Water；

(3) sampling step

The lower pipeline of dismounting is vertically placed on stent, the stent stands on the center of pallet；The pipe sampled as needed The suitably removable changing brush head 110 of road feature selecting, the pipeline feature sampled as needed and sampling location adjust telescoping mechanism 400 Length is to suitable position；Then removable changing brush head 110 is put in into pipeline from one end of pipeline, while also by the spray in water spraying mechanism Water pipe 332 is stretched into pipeline, and with finger cocking 411, trigger 411 drives drive rod 412 to be moved to operating position direction, Pressurised driving end 412d on drive rod 412 forces the piston in pressurizing valve 335 overcoming the resistance of pressurizing valve resetting spring 336 Backward compression aspect moves, while the confession water-driven end 412c on drive rod 412 opens Water supply switch valve 331a, at this time pressure (hydraulic) water Sterile water in bottle 334 is flowed into sparge pipe 332 by hose 331 and sprayed by sparge pipe 332, by sterile water wash in The inner wall of pipeline.

The rotating speed of driving motor 323 is adjusted using rotating speed driving switch 325 simultaneously, driving motor 323 passes through telescoping mechanism The 400 removable changing brush heads 110 of driving are with the inner wall of certain speed spin friction pipeline, the biology that will be attached on the inner wall of pipeline Film is flowed to the sterile water of ejection in pallet with deposit；After sampling, trigger 411 is unclamped, in pressurizing valve resetting spring Under 336 effects, the drive rod 412 in piston, Water supply switch valve driving mechanism in pressurizing valve 335 is in initial position, supplies water Switch 331a is closed, and the sterile water in two sliceable wash bottles 210,220 and pressurization water bottle 334 will not pass through soft water Pipe 331 is flowed into sparge pipe 332 and sprayed by sparge pipe 332.Rotating speed driving switch 325 is threaded to lock catch simultaneously.From pipeline Middle to take out removable changing brush head 110, then by pipeline and stent removal pallet, being transferred to using object for being collected into pallet is sterile In sampling bottle；

If pipeline is long, can repeat the above steps (3) from the other end of the pipeline.

During sampling, according to inner-walls of duct actual conditions, rotating speed driving switch 325 can be set top gear by sampling when starting Position, sampling are adjusted to low gear before terminating.

Claims

1. a kind of pipeline biomembrane sampling system based on electric drive, which is characterized in that including sampling apparatus, water storage device and Sampling driving and water injector are integrated with driving mechanism and the spray of the sampling apparatus in the sampling driving and water injector Water dispenser structure, the water inlet end in the water spraying mechanism are connected with the water storage device, and the output terminal of the driving mechanism is adopted with described Sampling device, which is connected by a telescoping mechanism and passes through the telescoping mechanism, drives the sampling apparatus rotation to be sampled；The spray Water spray end in water dispenser structure is located at the output terminal one side of the driving mechanism.

2. a kind of pipeline biomembrane sampling system based on electric drive as described in claim 1, which is characterized in that described to adopt Sampling device is a removable changing brush head.

3. a kind of pipeline biomembrane sampling system based on electric drive as claimed in claim 2, which is characterized in that it is described can Change a diameter of 1cm, 3cm, 5cm or 10cm of brush head.

4. a kind of pipeline biomembrane sampling system based on electric drive as claimed in claim 2, which is characterized in that described to stretch Contracting mechanism is a Telescopic rotary axis, which is telescopically connected successively by more piece rotation axis forms, wherein from described Sampling driving and water injector number rise, and the first end of first segment rotation axis and the output terminal of the driving mechanism are sequentially connected, the The first end of the second end of one section rotation axis and the second section rotation axis stretches and is sequentially connected, and so on, upper section rotation axis Second end and the first end of next section rotation axis stretch and be sequentially connected, the second end of final section rotation axis with it is described removable Changing brush head is detachably sequentially connected.

5. a kind of pipeline biomembrane sampling system based on electric drive as claimed in claim 4, which is characterized in that adjacent two It is provided with flexible locating button between the rotation axis of section, the flexible locating button is realizing the fixation between two adjacent sections rotation axis Connection.

A kind of 6. pipeline biomembrane sampling system based on electric drive as claimed in claim 4, which is characterized in that the storage Water installations are in series by multiple sliceable wash bottles, and each sliceable wash bottle tool is there are one bottle, and there are one the interior tools of the bottle Water containing chamber is respectively arranged with a male connection and a female adapter at the both ends of the bottle, is driven from the sampling Dynamic and water injector number rises, and the female adapter of first sliceable wash bottle connects with the water inlet end screw thread in the water spraying mechanism It connecing, the female adapter of second sliceable wash bottle is threadedly coupled with the male connection of first sliceable wash bottle, according to Secondary to analogize, the male connection of a upper sliceable wash bottle is threadedly coupled with the female adapter of next sliceable wash bottle, A spiral cover is rotary in the male connection of the last one sliceable wash bottle.

A kind of 7. pipeline biomembrane sampling system based on electric drive as claimed in claim 6, which is characterized in that the storage The center of gravity of water installations is located on the coaxial extension line of the sampling apparatus center of rotation axis.

8. a kind of pipeline biomembrane sampling system based on electric drive as claimed in claim 7, which is characterized in that described to adopt Sample drives and water injector includes a housing and is integrated in the driving mechanism and sprinkler of the in vivo sampling apparatus of the shell Structure, wherein the driving mechanism of the sampling apparatus includes being arranged on the in vivo rechargeable battery of the shell, circuit board, driving motor With the switch on the live spindle of the composition driving mechanism output terminal and the setting housing, the rechargeable battery and institute Circuit board electrical connection is stated, the circuit board is electrically connected by the switch with the driving motor, and the live spindle axis is located at On the housing and the output shaft of the first end of the live spindle and the driving motor is sequentially connected, and the of the live spindle Two ends are stretched out the housing and are connected with the first end of the first segment rotation axis in the Telescopic rotary axis；

The water spraying mechanism includes being arranged on the in vivo hose of the shell, sliding configuration in the in vivo Water supply switch valve drive of the shell Motivation structure, further include the sparge pipe at the water spray end for forming the water spraying mechanism and form water inlet end in the water spraying mechanism into Water swivel, is provided with a Water supply switch valve on the hose, confession water-driven end and institute in the Water supply switch valve driving mechanism It states Water supply switch valve to be drivingly connected, the operating side in the Water supply switch valve driving mechanism is located at outside the housing；The sparge pipe leads to Cross one 360 ° of turning joint installations on the housing, the end that enters of the sparge pipe is connected with one end of the hose, described The outlet of sparge pipe is located at outside the housing；On the housing, the end that enters of the water supply connector is located at for the water supply connector installation The housing is outer and is connected with the female adapter of first sliceable wash bottle, the outlet of the water supply connector and the soft water The other end connection of pipe.

9. a kind of pipeline biomembrane sampling system based on electric drive as claimed in claim 8, which is characterized in that described The power supply indicator and charge port exposed outside the housing is provided on circuit board.

10. a kind of pipeline biomembrane sampling system based on electric drive as claimed in claim 8, which is characterized in that described It switchs as rotating speed driving switch.

11. a kind of pipeline biomembrane sampling system based on electric drive as claimed in claim 8, which is characterized in that described Water spraying mechanism further includes a pressurization water bottle, pressurizing valve and pressurizing valve resetting spring, and the valve body of the pressurizing valve is mounted on described It pressurizes on the bottle of water bottle, one end of the piston in the pressurizing valve is stretched into the bottle chamber of the pressurization water bottle, the pressurizing valve Resetting spring is arranged on the bottle intracavitary of the pressurization water bottle, which connects with the pressurization water bottle bottle It touches, the other end and the piston contact in the pressurizing valve, the piston other end in the pressurizing valve drives with the Water supply switch valve Pressurised driving end connection in mechanism；The pressurization water bottle is connected with the other end of the hose, and the water supply connector goes out End is connected by a check valve with the pressurization water bottle, which controls the water in the sliceable wash bottle to flow into the pressurization In water bottle, the water in the pressurization water bottle will not be flowed back in the sliceable wash bottle.

12. a kind of pipeline biomembrane sampling system based on electric drive as claimed in claim 8, which is characterized in that described Water supply switch valve driving mechanism includes trigger, a drive rod and a pair of the operating side in a composition Water supply switch valve driving mechanism Supporting rod with sliding slot, supporting rod of a pair with sliding slot are mounted in the housing, and one is configured on the drive rod To sliding pin, a pair of of sliding pin is slidably supported in the sliding slot of a pair of support rods respectively；The trigger is connected with the drive rod and position In outside the housing, it is provided on the drive rod for water-driven end and pressurised driving end.