CN107158955A - Full-automatic film filters suction filtration machine - Google Patents
Full-automatic film filters suction filtration machine Download PDFInfo
- Publication number
- CN107158955A CN107158955A CN201710566939.8A CN201710566939A CN107158955A CN 107158955 A CN107158955 A CN 107158955A CN 201710566939 A CN201710566939 A CN 201710566939A CN 107158955 A CN107158955 A CN 107158955A
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- Prior art keywords
- cup
- suction filtration
- housing
- pipeline
- full
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/08—Flat membrane modules
- B01D63/087—Single membrane modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Suction filtration machine is filtered the invention discloses a kind of Full-automatic film, including suction filtration cup, housing, pipeline, magnetic valve, water pump, liquid sensor and sensors in place, at least two suction filtrations cup is installed on the housing, the pipeline, magnetic valve, water pump, liquid sensor and sensors in place are located in housing, each described suction filtration cup is connected to water pump by pipeline respectively, magnetic valve is provided with the pipeline, the sensors in place is arranged on the position that suction filtration cup is connected with housing, and the sensors in place is electrically connected with water pump and magnetic valve respectively；A circuit board is additionally provided with the housing, the pipe section is placed on the circuit board, and the liquid sensor is distributed with the position of pipeline both sides on the circuit board, the liquid sensor is electrically connected with water pump and magnetic valve respectively.Whole process of the present invention is sensed by sensors in place and liquid sensor, is not required to artificial judgment and operation, is saved substantial amounts of manpower and time, is substantially increased operating efficiency.
Description
Technical field
Suction filtration machine is filtered the present invention relates to a kind of Full-automatic film, belongs to the microbial limit detection technique field of liquid sample.
Background technology
The purpose of liquid sample suction filtration is detection liquid sample, and such as beverage, pharmacy, biological agent, biological reagent, hospital control
Treat whether exceeded with the limit of microorganism in water, thimerosal etc..
The above is detected in national standard and professional standard（Such as GB, GMP, pharmacopeia）Specified in detection method have filter membrane method,
Its principle is can not to be intercepted at 0.45um bacteriums by filter membrane on filter membrane, then filter membrane is removed, and agar training is affixed on up
Primary surface is supported, is incubated, after 48 hours, the clump count grown out is counted, according to result, whether control interpretation standard judged result
It is exceeded.The testing result of this method is more accurate, because suitable for larger detection specimen amount, and having measured error big will be smaller.
Presently used Suction filtration device is that suction filtration film and sample cup combination are used, manual by filter membrane using preceding needing
It is assembled on special suction filtration cup, then autoclave sterilization, standby.There are several situations when using：
1. glass wares：1）By the suction filtration glass holder disinfected on bottle,suction, the pipeline of vavuum pump in connection；2）By sample
Liquid sample in cup is imported in suction filtration cup；3）Start vavuum pump suction filtration；4）After exhausting, suction filtration cup is removed, filter membrane, 5 is removed）Will
Filter membrane front is attached to the agar surface of agar medium, is incubated.
2. syringe-driven filter：1）In dismountable plastic spike filter（There is a kind of disposable needle-based filter
Device, it is impossible to dismantle, filter membrane is mounted can not to take out in advance）On load onto filter membrane, autoclave sterilization is standby；2）In use,
Syringe sample drawn is used, removes syringe needle, by syringe socket insertion needle formula filter（Sealing state is reached）, 3）With
Thumb press syringe is pressed, and liquid is filtered；4）Syringe is removed, syringe filter is turned on, filter membrane is taken out；5）By filter membrane
Front is attached to the agar surface of agar medium, is incubated.
It can be seen that, existing Suction filtration device is all to need manually to judge and control, and needs sterilization to handle before use, accurate
It is standby to work more, cause operating efficiency low, and supporting combined use is cumbersome, filter cup is not suitable for a large amount of samples to reuse
This progress is frequently detected.
The content of the invention
In view of above technical problem, the present invention provides a kind of induction type Full-automatic film filtering suction filtration machine, it is existing to solve
Need to need sterilization to handle before manually judging and control switch, use in technology, and cause operating efficiency asking lowly
Topic.
The present invention is achieved by the following technical solution：
A kind of Full-automatic film filters suction filtration machine, including suction filtration cup, housing, pipeline, magnetic valve, water pump, liquid sensor and arrives
At least one suction filtration cup, the pipeline, magnetic valve, water pump, liquid sensor and in place are installed on level sensor, the housing
Sensor is respectively positioned in housing, and each described suction filtration cup is connected to water pump by pipeline respectively, is respectively provided with each pipeline
Have a magnetic valve, the sensors in place is arranged on the position that suction filtration cup is connected with housing, and the sensors in place respectively with water pump
With magnetic valve electrical connection；
A circuit board is additionally provided with the housing, the pipe section is placed on the circuit board, and is located at pipe on the circuit board
The liquid sensor is distributed with the position of road both sides, the liquid sensor is electrically connected with water pump and magnetic valve respectively.
Using above-mentioned technical proposal, when suction filtration cup is arranged on housing, sensors in place is by the corresponding signal sensed
Magnetic valve and water pump are transferred to, then magnetic valve and water pump are opened, and suction filtration starts, in liquid inflow pipe, now, positioned at circuit board
On liquid sensor can detect corresponding signal, and water pump and magnetic valve are transmitted signals to, when there is the out-of-date water pump of liquid flow
It is to be in open mode with magnetic valve, when the liquid in suction filtration cup is exhausted, does not have the out-of-date closed electromagnetic valve of liquid flow in pipeline, when
When equal no liquid flows through in all pipelines, water pump is closed, and now suction filtration stops, and can start follow-up work.Whole process is complete
Automatically control, be not required to manually be judged and controlled, save substantial amounts of manpower and time, and each suction filtration cup and corresponding pipe
It is separate operation between road and other filter cups and pipeline, is independent of each other and disturbs, operating efficiency is higher.
Preferably, the suction filtration cup is disposal plastic cup, suction filtration cup includes cup, and the upper end of the cup is provided with
Air cleaner is provided with upper end cover, the upper end cover, the air-vent on the air cleaner passes through the upper end cover and air
Connection；
The lower end of the cup is provided with bottom end cover, and a web plate is provided with the bottom end cover, described covered with filter membrane on the web plate
A conduction hole mouth is additionally provided with bottom end cover, a protective jacket is arranged with the conduction hole mouth, the conduction hole mouth is connected with cup.
It is arranged such, suction filtration cup is arranged to disposal plastic cup, when in use can be with taking with very convenient；If
The air-vent put, which can be supplemented, sets air cleaner in the negative pressure formed during suction filtration, upper end cover, to entering the sky in suction filtration cup
Gas is filtered, it is therefore prevented that the bacterium in air enters filtrate.
Preferably, the cup is in up big and down small cone structure.It is arranged such, beneficial to the flowing of liquid.
Preferably, the upper end cover and bottom end cover are connected through a screw thread with the cup.
Preferably, the upper surface part of the housing caves inward to form concave surface, at least one is distributed with the concave surface
Cup is mounted in mounting hole for installing the suction filtration cup, each described mounting hole, the suction filtration cup is arranged on should
Formed in cup, between the wall of cup of the cup and the housing in a groove that Open Side Down, the groove and a packing ring, institute are installed
Sensors in place is stated to be arranged on the packing ring.
It is arranged such, sensors in place is arranged on packing ring, packing ring is arranged in the groove between cup and housing,
When suction filtration cup is installed, sensors in place can sense corresponding signal, and corresponding signal is transferred into water pump and electromagnetism
Valve, without manually going to judge and manipulating water pump and the opening and closing of magnetic valve.
Preferably, the cup includes the stair-stepping cup body in hollow structure, the upper end diameter of the cup body
More than bottom diameter, and the bottom of the cup body is in funnel type structure, be additionally provided with the lower surface of the cup body one with
Mouth is installed in the drainage of the intracavity inter-connection of cup.
Preferably, indicator lamp is also distributed with the sealing ring, the indicator lamp is electrically connected with the sensors in place.
It is arranged such, when suction filtration cup is installed on housing, sensors in place can sense corresponding signal and pass to finger
Show lamp to open the indicator lamp, operating personnel can determine whether the current working condition of suction filtration cup, side after seeing that the indicator lamp is bright
Operating personnel observation.
It is distributed in preferably, the mounting hole is curved on the concave surface.
Preferably, being provided with an inclined supporting plate on the bottom plate of the housing, the circuit board is fixed on the support
On plate.
Supporting plate is obliquely installed, beneficial to the flowing of liquid in pipeline.
Preferably, being provided with a pressure strip for being used to compress the pipeline on the upper surface of the circuit board.
It is arranged such, it is to avoid liquid detection for arbitrarily rocking liquid sensor of pipeline in flow process causes to miss
Difference.
The beneficial effects of the invention are as follows：Whole process is sensed by sensors in place and liquid sensor, it is not necessary to
Artificial judgment and Operation switch, and need not do filter membrane install and sterilization early-stage preparations, save substantial amounts of manpower and when
Between, substantially increase operating efficiency；Suction filtration can be carried out to multiple suction filtrations cup simultaneously, each suction filtration cup and corresponding pipeline are only
Vertical operation, does not interfere with each other and influences, random strong, suction filtration efficiency high；And it is simple in construction, it is easy to use.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is Fig. 1 internal structure schematic diagram；
Fig. 3 is Fig. 1 top view；
Fig. 4 is the A-A partial sectional views in Fig. 3；
Fig. 5 be Fig. 1 in suction filtration cup structural representation；
Fig. 6 is Fig. 5 B-B sectional views；
Mounting structure schematic diagrams of the Fig. 7 for the liquid sensor in Fig. 2 on circuit boards；
Mounting structure schematic diagrams of the Fig. 8 for the sensors in place in Fig. 4 on packing ring；
Fig. 9 be Fig. 4 in cup structural representation.
Embodiment
It will describe in detail in conjunction with specific embodiments with reference to the accompanying drawings below：
Full-automatic film filtering suction filtration machine as shown in accompanying drawing 1-9, including suction filtration cup 1, housing 2, pipeline 3, magnetic valve 4, water pump
At least one suction filtration cup 1, the pipeline 3, electromagnetism are installed on the 5th, liquid sensor 71 and sensors in place 81, the housing 2
Valve 4, water pump 5, liquid sensor 71 and sensors in place 81 are located in housing 2, and each described suction filtration cup 1 passes through pipeline respectively
3 are connected to water pump 5, and magnetic valve 4 is provided with each pipeline 3, and the sensors in place 81 is arranged on suction filtration cup 1 and shell
The position that body 2 is connected, and the sensors in place 81 electrically connects with water pump 5 and magnetic valve 4 respectively；
A circuit board 7 is additionally provided with the housing 2, the pipeline 3 is partially disposed on the circuit board 7, and the circuit board 7 is upper
In the liquid sensor 71 is distributed with the position of the both sides of pipeline 3, the liquid sensor 71 respectively with water pump 5 and magnetic valve 4
Electrical connection.
From accompanying drawing 5 and accompanying drawing 6 as can be seen that suction filtration cup 1 is disposal plastic cup, the volume of suction filtration cup 1 is 20-
500mL, it includes cup 10, and the cup 10 is in up big and down small cone structure, and the upper end of the cup 10 is connected through a screw thread
There is upper end cover 11, air-vent 16 is provided with the upper end cover 11, filter membrane, the upper end cover 11 and cup are provided with the air-vent 16
One end that body 10 is connected is additionally provided with air cleaner 13；
The lower end of the cup 10 has been connected through a screw thread bottom end cover 12, and the part being connected in the bottom end cover 12 with cup 10 is set
There is a web plate 14, covered with filter membrane on the web plate 14, a conduction hole mouth 15, the conduction hole are additionally provided with the bottom end cover 12
Mouth 15 is connected with cup 10, a protective jacket is arranged with the conduction hole mouth, suction filtration cup is being to be enclosed on drainage using preceding protective jacket
It on hole mouth 15, can prevent liquid from flowing out, the protective jacket on conduction hole mouth 15 is removed during using suction filtration cup 1.
Cave inward to form concave surface from Fig. 2 combinations Fig. 3, Fig. 4 and Fig. 9 upper surface part that can be seen that the housing 2
20, the mounting hole at least one mounting hole 200 for being used to install the suction filtration cup 1, the present embodiment is distributed with the concave surface 20
200 are set to 5, and the mounting hole 200 is curved is distributed on the concave surface 20, in each described mounting hole 200
Cup 9 is installed, the suction filtration cup 1 is arranged in the cup 9, one is formed between the wall of cup of the cup 9 and the housing 2 and is open
One packing ring 8 is installed, the sensors in place 81 is arranged on the packing ring 8 in downward groove 201, the groove 201.It is described close
Indicator lamp 82 is also distributed with seal 8, the indicator lamp 82 is electrically connected with the sensors in place 81.
The cup 9 includes being more than in the stair-stepping cup body 91 of hollow structure, the upper end diameter of the cup body 91
Bottom diameter, and the bottom of the cup body 91 is in funnel type structure, be additionally provided with the lower surface of the cup body 91 one with
Mouth 92 is installed in the drainage of the intracavity inter-connection of cup 9, and the drainage is installed mouth 92 and is conveniently connected with pipeline 3.
Refer to and an inclined supporting plate 6 is provided with Fig. 2, the bottom plate of the housing 2, the circuit board 7 is fixed on this
In supporting plate 6, a pressure strip for being used to compress the pipeline 3 is provided with the upper surface of the circuit board 7.
Full-automatic film filtering suction filtration machine also has after startup self-detection function, that is, the controlling switch for opening suction filtration machine, electricity
Magnet valve 4 and water pump 5 are opened, the air in pipeline 3 and cup 9 and liquid are evacuated, it is to avoid the liquid and air of remaining
Suction filtration next time is interfered.
In use, in the cup 9 that suction filtration cup 1 is arranged on mounting hole 200, being arranged on the sensors in place on packing ring 8
81 can detect corresponding signal, and transmit signals to water pump 5, magnetic valve 4 and indicator lamp 82, to start water pump 5, electromagnetism
Valve 4 and indicator lamp 82, indicator lamp 82 are opened, and suction filtration process starts, and liquid is from suction filtration 1 flow ipe 3 of cup, when flowing through circuit board
When 7, liquid sensor 71 detects corresponding signal, and feeds back to water pump 5 and magnetic valve 4, it is constantly in open mode,
After the liquid in suction filtration cup 1 is exhausted, there is no liquid flow out-of-date in pipeline 3, liquid sensor 71 detects different signals
And the signal is transferred to water pump 5 and magnetic valve 4, to close magnetic valve 4, when in all pipelines 3 without liquid flow it is out-of-date,
Water pump 5 is closed, that is, completes suction filtration action.Whole process is sensed by sensors in place 81 and liquid sensor 71, is not required to
Artificial judgment and Operation switch are wanted, and filter membrane installation and the preparation of sterilization need not be done, substantial amounts of manpower and time is saved,
Substantially increase operating efficiency；And can be according to the size of sample size, while carry out suction filtration to multiple suction filtrations cup, and each suction filtration cup
It is separate operation with corresponding pipeline, does not interfere with each other and influence, random strong, suction filtration efficiency high.
It should be understood that embodiment is only illustrative of the invention and is not intended to limit the scope of the invention.In addition, it is to be understood that readding
Read after the content of the invention lectured, those skilled in the art can make any various changes and modification to the present invention, these
The equivalent form of value equally falls within the application appended claims and limited.
Claims (10)
1. a kind of Full-automatic film filters suction filtration machine, it is characterised in that：Including suction filtration cup（1）, housing（2）, pipeline（3）, electromagnetism
Valve（4）, water pump（5）, liquid sensor（71）And sensors in place（81）, the housing（2）On at least two suction filtrations are installed
Cup（1）, the pipeline（3）, magnetic valve（4）, water pump（5）, liquid sensor（71）And sensors in place（81）Positioned at housing（2）
It is interior, each described suction filtration cup（1）Pass through pipeline respectively（3）It is connected to water pump（5）, the pipeline（3）On be provided with magnetic valve
（4）, the sensors in place（81）It is arranged on suction filtration cup（1）With housing（2）The position of connection, and the sensors in place（81）Point
Not and water pump（5）And magnetic valve（4）Electrical connection；
The housing（2）Inside it is additionally provided with a circuit board（7）, the pipeline（3）It is partially disposed in the circuit board（7）On, and the electricity
Road plate（7）It is upper to be located at pipeline（3）The liquid sensor is distributed with the position of both sides（71）, the liquid sensor（71）Respectively
With water pump（5）And magnetic valve（4）Electrical connection.
2. Full-automatic film according to claim 1 filters suction filtration machine, it is characterised in that：The suction filtration cup（1）For once
Property plastic cup, the suction filtration cup（1）Including cup（10）, the cup（10）Upper end be provided with upper end cover（11）, the upper end cover
（11）On be provided with air cleaner（13）, the air cleaner（13）On air-vent（16）Through the upper end cover（11）With
Atmosphere；
The cup（10）Lower end be provided with bottom end cover（12）, the bottom end cover（12）Inside it is provided with a web plate（14）, the web plate
（14）On covered with filter membrane, the bottom end cover（12）On be additionally provided with a conduction hole mouth（15）, one is arranged with the conduction hole mouth
Protective jacket, the conduction hole mouth（15）With cup（10）Connection.
3. Full-automatic film according to claim 2 filters suction filtration machine, it is characterised in that：The cup（10）Under presenting greatly
Small cone structure.
4. Full-automatic film according to claim 3 filters suction filtration machine, it is characterised in that：The upper end cover（11）And lower end
Lid（12）With the cup（10）It is connected through a screw thread.
5. the Full-automatic film filtering suction filtration machine according to any one of claim 1-4, it is characterised in that：The housing
（2）Upper surface part cave inward to form concave surface（20）, the concave surface（20）On be distributed with least two and be used to described take out be installed
Filter bowl（1）Mounting hole（200）, each described mounting hole（200）Inside it is mounted on cup（9）, the suction filtration cup（1）Install
In the cup（9）It is interior, the cup（9）Wall of cup and the housing（2）Between form the groove that Open Side Down（201）, this is recessed
Groove（201）One packing ring is inside installed（8）, the sensors in place（81）It is arranged on the packing ring（8）On.
6. Full-automatic film according to claim 5 filters suction filtration machine, it is characterised in that：The cup（9）Including in
The stair-stepping cup body of hollow structure（91）, the cup body（91）Upper end diameter be more than bottom diameter, and the cup body
（91）Bottom be in funnel type structure, the cup body（91）Lower surface on be additionally provided with one and cup（9）Inner chamber be connected
Mouth is installed in logical drainage（92）.
7. Full-automatic film according to claim 6 filters suction filtration machine, it is characterised in that：The sealing ring（8）On also divide
It is furnished with indicator lamp（82）, the indicator lamp（82）With the sensors in place（81）Electrical connection.
8. the Full-automatic film filtering suction filtration machine according to claim 6 or 7, it is characterised in that：The mounting hole（200）It is in
Arc is distributed in the concave surface（20）On.
9. Full-automatic film according to claim 1 filters suction filtration machine, it is characterised in that：The housing（2）Bottom plate on
It is provided with an inclined supporting plate（6）, the circuit board（7）It is fixed on the supporting plate（6）On.
10. Full-automatic film according to claim 9 filters suction filtration machine, it is characterised in that：The circuit board（7）Upper end
One is provided with face is used to compress the pipeline（3）Pressure strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710566939.8A CN107158955B (en) | 2017-07-12 | 2017-07-12 | Full-automatic membrane filtration suction filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710566939.8A CN107158955B (en) | 2017-07-12 | 2017-07-12 | Full-automatic membrane filtration suction filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107158955A true CN107158955A (en) | 2017-09-15 |
| CN107158955B CN107158955B (en) | 2022-10-18 |
Family
ID=59823983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710566939.8A Active CN107158955B (en) | 2017-07-12 | 2017-07-12 | Full-automatic membrane filtration suction filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107158955B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050045533A1 (en) * | 2003-08-19 | 2005-03-03 | Fuji Photo Films Co., Ltd. | Extracting apparatus |
| CN1856450A (en) * | 2003-09-23 | 2006-11-01 | 3M创新有限公司 | Reduced pressure water filtration system |
| US20080142426A1 (en) * | 2004-06-29 | 2008-06-19 | Donaldson Company, Inc. | Liquid Filter Arrangement and Methods |
| CN201551883U (en) * | 2009-06-05 | 2010-08-18 | 广东环凯微生物科技有限公司 | Filter membrane filtering system |
| CN102091455A (en) * | 2010-12-16 | 2011-06-15 | 中国科学院高能物理研究所 | Automatic continuous filter |
| CN104729952A (en) * | 2015-03-20 | 2015-06-24 | 西安近代化学研究所 | Continuous automatic device for analyzing gunpowder and explosive components |
| CN207012814U (en) * | 2017-07-12 | 2018-02-16 | 重庆庞通医疗器械有限公司 | Full-automatic film filters suction filtration machine |
-
2017
- 2017-07-12 CN CN201710566939.8A patent/CN107158955B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050045533A1 (en) * | 2003-08-19 | 2005-03-03 | Fuji Photo Films Co., Ltd. | Extracting apparatus |
| CN1856450A (en) * | 2003-09-23 | 2006-11-01 | 3M创新有限公司 | Reduced pressure water filtration system |
| US20080142426A1 (en) * | 2004-06-29 | 2008-06-19 | Donaldson Company, Inc. | Liquid Filter Arrangement and Methods |
| CN201551883U (en) * | 2009-06-05 | 2010-08-18 | 广东环凯微生物科技有限公司 | Filter membrane filtering system |
| CN102091455A (en) * | 2010-12-16 | 2011-06-15 | 中国科学院高能物理研究所 | Automatic continuous filter |
| CN104729952A (en) * | 2015-03-20 | 2015-06-24 | 西安近代化学研究所 | Continuous automatic device for analyzing gunpowder and explosive components |
| CN207012814U (en) * | 2017-07-12 | 2018-02-16 | 重庆庞通医疗器械有限公司 | Full-automatic film filters suction filtration machine |
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| Publication number | Publication date |
|---|---|
| CN107158955B (en) | 2022-10-18 |
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