CN207012814U - Full-automatic film filters suction filtration machine - Google Patents
Full-automatic film filters suction filtration machine Download PDFInfo
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- CN207012814U CN207012814U CN201720853552.6U CN201720853552U CN207012814U CN 207012814 U CN207012814 U CN 207012814U CN 201720853552 U CN201720853552 U CN 201720853552U CN 207012814 U CN207012814 U CN 207012814U
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- cup
- suction filtration
- housing
- pipeline
- full
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Abstract
The utility model discloses a kind of Full-automatic film to filter suction filtration machine, including filtering cup, housing, pipeline, magnetic valve, water pump, liquid sensor and sensors in place, at least two suction filtration cups are 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, which is arranged on, filters the position that cup is connected with housing, and the sensors in place electrically connects 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, and the liquid sensor electrically connects with water pump and magnetic valve respectively.The utility model whole process is not required to artificial judgment and operation, saves manpower and time, substantially increase operating efficiency by sensors in place and liquid sensor sensing control.
Description
Technical field
A kind of Full-automatic film filtering suction filtration machine is the utility model is related to, belongs to the microbial limit detection skill of liquid sample
Art field.
Background technology
The purpose that liquid sample filters is detection liquid sample, 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 is affixed on agar training up
Primary surface is supported, is incubated, after 48 hours, counts the clump count to grow out, according to result, whether control interpretation standard judged result
It is exceeded.The testing result of this method is more accurate, because being applied to larger detection specimen amount, the big error of amount 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 during use：
1. glass wares：1）By the suction filtration glass holder disinfected on bottle,suction, the pipeline of vavuum pump in connection；2）Will
Liquid sample in specimen cup, which imports, to be filtered in cup；3）Start vavuum pump to filter；4）After exhausting, suction filtration cup is removed, removes filter membrane,
5）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,
With syringe sample drawn, remove 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, turns on syringe filter, takes out filter membrane；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, sterilization is needed to handle before use, it is accurate
Standby work is more, causes operating efficiency low, and supporting combined use is cumbersome, and filter cup is not suitable for a large amount of samples to reuse
This progress frequently detects.
Utility model content
In view of above technical problem, the utility model provides a kind of induction type Full-automatic film filtering suction filtration machine, to solve
Need manually to judge and control switch in the prior art, need sterilization to handle before use, and cause operating efficiency low
The problem of.
The utility model is achieved by the following technical solution：
A kind of Full-automatic film filters suction filtration machine, including filters cup, housing, pipeline, magnetic valve, water pump, liquid sensor
And sensors in place, at least one suction filtration cup is installed on the housing, the pipeline, magnetic valve, water pump, liquid sensor and
Sensors in place is respectively positioned in housing, and each described suction filtration cup is connected to water pump by pipeline respectively, on each pipeline
Be provided with magnetic valve, the sensors in place, which is arranged on, filters the position that cup is connected with housing, and the sensors in place respectively with
Water pump and magnetic valve electrical connection；
A circuit board is additionally provided with the housing, the pipe section is placed on the circuit board, and the circuit board is upper
In the liquid sensor is distributed with the position of pipeline both sides, the liquid sensor electrically connects with water pump and magnetic valve respectively.
Using above-mentioned technical proposal, when filtering cup and being arranged on housing, corresponding letter that sensors in place will can sense
Number 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
Liquid sensor on plate can detect corresponding signal, and transmit signals to water pump and magnetic valve, when there is the out-of-date water of liquid flow
Pump and magnetic valve are to be in open mode, when filter cup in liquid exhaust, there is no the out-of-date closed electromagnetic valve of liquid flow in pipeline,
When equal no liquid flows through in all pipelines, water pump is closed, and is now filtered and is stopped, can starting follow-up work.Whole process is
Automatic Control, it is not required to manually be judged and is controlled, save substantial amounts of manpower and time, and each cup that filters is independent fortune
OK, it is independent of each other and disturbs, operating efficiency is higher.
Preferably, the suction filtration cup is disposal plastic cup, the suction filtration cup includes cup, and the upper end of the cup is provided with
Upper end cover, air cleaner is provided with 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, covered with filter membrane on the web plate,
A conduction hole mouth is additionally provided with the bottom end cover, a protective jacket, the conduction hole mouth and cup are arranged with the conduction hole mouth
Connection.
It is arranged such, cup will be filtered and be arranged to disposal plastic cup, when in use can be with taking with very convenient；If
The negative pressure formed during suction filtration can be supplemented by putting air-vent, and air cleaner is set on upper end cover, to entering the air filtered in cup
Filtered, it is therefore prevented that the bacterium in air pollutes into 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, it is distributed with the concave surface at least one
For installing the mounting hole of the suction filtration cup, cup is mounted in each described mounting hole, the suction filtration cup is arranged on should
A groove that Open Side Down is formed in cup, between the wall of cup of the cup and the housing, a packing ring, institute are installed in the groove
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 installs, 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
The drainage installation mouth of the intracavity inter-connection of cup.
Preferably, indicator lamp is also distributed with the sealing ring, the indicator lamp electrically connects 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 to filter the current working condition of 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, a pressure strip for being used to compress the pipeline is provided with the upper surface of the circuit board.
It is arranged such, avoids liquid detection for arbitrarily rocking liquid sensor of pipeline in flow process and cause to miss
Difference.
The beneficial effects of the utility model are：Whole process is sensed by sensors in place and liquid sensor, no
Artificial judgment and Operation switch are needed, and filter membrane installation and the early-stage preparations of sterilization need not be done, saves substantial amounts of manpower
And the time, substantially increase operating efficiency；Multiple suction filtration cups can be filtered simultaneously, each suction filtration cup is independent operating,
It does not interfere with each other and influences, it is random strong, filter 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 present utility model；
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 is the structural representation of the suction filtration cup in Fig. 1；
Fig. 6 is Fig. 5 B-B sectional views；
Fig. 7 is the mounting structure schematic diagram of liquid sensor on circuit boards in Fig. 2；
Fig. 8 is mounting structure schematic diagram of the sensors in place on packing ring in Fig. 4；
Fig. 9 is the structural representation of the cup in Fig. 4.
Embodiment
It will describe in detail in conjunction with specific embodiments with reference to the accompanying drawings below：
As shown in accompanying drawing 1-9 Full-automatic film filtering suction filtration machine, including filter cup 1, housing 2, pipeline 3, magnetic valve 4,
Water pump 5, liquid sensor 71 and sensors in place 81, are provided with least one suction filtration cup 1 on the housing 2, the pipeline 3,
Magnetic 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 respectively
Pipeline 3 is connected to water pump 5, and magnetic valve 4 is provided with the pipeline 3, and the sensors in place 81, which is arranged on, filters cup 1 and housing 2
The position of connection, 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
It is upper that 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 electromagnetism
Valve 4 electrically connects.
From accompanying drawing 5 and accompanying drawing 6 as can be seen that the suction filtration cup 1 is disposal plastic cup, the volume for filtering 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 cleaner 13 is provided with the upper end cover 11, the air-vent 16 on the air cleaner 13 passes through upper end
Lid 11 and atmosphere；
The lower end of the cup 10 has been connected through a screw thread bottom end cover 12, the part being connected in the bottom end cover 12 with cup 10
A web plate 14 is provided with, covered with filter membrane on the web plate 14, is additionally provided with a conduction hole mouth 15 on the bottom end cover 12, this draws
Discharge orifice mouth 15 is connected with cup 10, and a protective jacket is arranged with the conduction hole mouth 15, and it is being set using preceding protective jacket to filter cup
It on conduction hole mouth 15, can prevent liquid from flowing out, use the protective jacket removed when filtering cup 1 on conduction hole mouth 15.
The upper surface part that the housing 2 is can be seen that from Fig. 2 combinations Fig. 3, Fig. 4 and Fig. 9 caves inward to form concave surface
20, it is distributed with least one mounting hole 200 for being used to install the suction filtration cup 1 on the concave surface 20, the mounting hole in the present embodiment
200 are arranged 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, and an opening is formed between the wall of cup of the cup 9 and the housing 2
Downward groove 201, a packing ring 8 is installed in the groove 201, the sensors in place 81 is arranged on the packing ring 8.It is described close
Indicator lamp 82 is also distributed with seal 8, the indicator lamp 82 electrically connects 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
The drainage installation mouth 92 of the intracavity inter-connection of cup 9, drainage installation mouth 92 is convenient to be connected with pipeline 3.
Fig. 2 is referred to, an inclined supporting plate 6 is provided with 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 startup self-detection function, i.e., after the controlling switch of opening suction filtration machine, electricity
Magnet valve 4 and water pump 5 are opened, and the air in pipeline 3 and cup 9 and liquid are evacuated, and avoid the liquid and air of remaining
Interfered to filtering next time.
In use, cup 1 will be filtered in the cup 9 on mounting hole 200, the sensors in place being arranged 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 filtering in the flow ipe 3 of cup 1, 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 filtering the liquid in cup 1 and exhausting, there is no that liquid flow is 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, and to close magnetic valve 4, when equal no liquid flows through in all pipelines, water
Pump 5 is closed, that is, completes suction filtration action.Whole process is sensed by sensors in place 81 and liquid sensor 71, it is not necessary to
Artificial judgment and Operation switch, and filter membrane installation and the preparation of sterilization need not be done, substantial amounts of manpower and time are saved, greatly
Improve operating efficiency greatly；And can be filtered according to the size of sample size, while to multiple suction filtration cups, and each suction filtration cup is
Independent operating, it does not interfere with each other and influences, it is random strong, filter efficiency high.
It should be understood that embodiment is merely to illustrate the utility model rather than limitation the scope of the utility model.In addition should manage
Solution, after the content of the utility model instruction has been read, those skilled in the art can make any various to the utility model
Change and modification, these equivalent form of values equally fall 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 filtering 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）Installation
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
Logical drainage installation mouth（92）.
7. Full-automatic film according to claim 6 filters suction filtration machine, it is characterised in that：The packing ring（8）On be also distributed
There is 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 to be used to compress the pipeline（3）Pressure strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720853552.6U CN207012814U (en) | 2017-07-12 | 2017-07-12 | Full-automatic film filters suction filtration machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720853552.6U CN207012814U (en) | 2017-07-12 | 2017-07-12 | Full-automatic film filters suction filtration machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207012814U true CN207012814U (en) | 2018-02-16 |
Family
ID=61483197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720853552.6U Withdrawn - After Issue CN207012814U (en) | 2017-07-12 | 2017-07-12 | Full-automatic film filters suction filtration machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207012814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107158955A (en) * | 2017-07-12 | 2017-09-15 | 重庆庞通医疗器械有限公司 | Full-automatic film filters suction filtration machine |
-
2017
- 2017-07-12 CN CN201720853552.6U patent/CN207012814U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107158955A (en) * | 2017-07-12 | 2017-09-15 | 重庆庞通医疗器械有限公司 | Full-automatic film filters suction filtration machine |
| CN107158955B (en) * | 2017-07-12 | 2022-10-18 | 重庆庞通医疗器械有限公司 | Full-automatic membrane filtration suction filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180216 Effective date of abandoning: 20221018 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180216 Effective date of abandoning: 20221018 |