CN207270856U - A kind of portable nutsch filter - Google Patents
A kind of portable nutsch filter Download PDFInfo
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- CN207270856U CN207270856U CN201721091230.9U CN201721091230U CN207270856U CN 207270856 U CN207270856 U CN 207270856U CN 201721091230 U CN201721091230 U CN 201721091230U CN 207270856 U CN207270856 U CN 207270856U
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Abstract
The utility model provides a kind of portable filter, and after collection in worksite sample, separation of solid and liquid is carried out to it, it is characterised in that：Including filtering unit；The suction filtration unit includes sample collection portion, vacuum display unit, vacuum filtration portion, air pressure balance portion, multichannel converter section, and the sample collection portion includes solid collecting device and Liquid Acquisition Apparatus；The solid collecting device and Liquid Acquisition Apparatus are in detachable installation.Integrated portable filter provided by the utility model, the filter integrated design, integrated level are high；Without installation and debugging, a key switch；It is agile compact easy to carry without using glassware material part, it is suitable for vehicle-mounted and field and uses.
Description
Technical field
It the utility model is related to analysis Instrument equipment field, and in particular, to a kind of portable nutsch filter.
Background technology
《The measure inductively coupled plasma emission spectrography of 32 kinds of elements of HJ776-2015 water quality》,《National surface water
Environmental quality monitoring net monitoring Mission Operations guiding book (tentative)》When code requirement is measuring soluble elements, the water of collection
Sample must be loaded in polyethylene liquid-collecting bottle with after 0.45 μm of filtering with microporous membrane immediately at the scene.
The problems such as however, in the market does not have an integration apparatus, and existing equipment is since volume is big, no independent current source is general
Laboratory use is only applicable to, the requirement of new national standard can not be tackled.
Moreover, at present the Suction filtration device that uses of laboratory generally by buying several independent products, such as vacuum pump,
Glass funnel, liquid-collecting bottle etc. are built.Big there are volume, weight is big, not easily shifted, and parts are more, installation and debugging trouble, no
It is adapted to field condition to carry and use.
In addition, the said equipment is in use, the rate of filtration is slow, and there are the performances such as air-tightness are easy when building assembling at the scene
It is unstable, user experience problem of poor.
In addition, when replacing filter membrane using the said equipment, since negative pressure exists.Filter membrane does not allow easily openable, is easy to cause diaphragm
Breakage, and then influence the accuracy of sampling.
The content of utility model
The utility model is intended to overcome drawbacks described above, there is provided a kind of integrated portable nutsch filter, the nutsch filter integration are set
Meter, integrated level are high；Without installation and debugging, a key switch；It is agile compact easy to carry without using glassware material part, fit
It is suitable for vehicle-mounted and field to use.
The utility model provides a kind of portable nutsch filter, and separation of solid and liquid is carried out for collection in worksite sample, and to it,
It is characterized in that：Including filtering unit；
Above-mentioned suction filtration unit includes sample collection portion, vacuum display unit, vacuum filtration portion, air pressure balance portion, multichannel
Converter section；
Sample collection portion is used to gather solid and fluid sample；
Vacuum display unit is used for the vacuum condition in real-time display system；
Vacuum filtration portion is used to discharge the air in system, and produces negative pressure, so that playing makes sample separation of solid and liquid
Effect；
Air pressure balance portion is used to the negative pressure in system being adjusted to normal atmosphere (An), so as to make the solid sample being collected into
Gathered after being easier to demoulding；
Above-mentioned multichannel converter section can turn on one by one including four tunnels, one or two turn on or the path of mutual conduction；I.e., this is more logical
Road converter section contains at least four connectors that can be connected with external equipment, wherein, it can pass through between the path corresponding to the connector
Adjustment to multichannel converter section realizes, the connection between two external equipments, or the connection between three external equipments, or four
Intercommunication between a external equipment；
The first via of above-mentioned multichannel converter section is communicated with sample collection portion, forms the first path；
Second tunnel of above-mentioned multichannel converter section is communicated with vacuum display unit, forms alternate path；
3rd tunnel of above-mentioned multichannel converter section is communicated with vacuum filtration portion, forms third path；
4th tunnel of above-mentioned multichannel converter section is communicated with air pressure balance portion, forms fourth passage；
Wherein, above-mentioned sample collection portion includes solid collecting device and Liquid Acquisition Apparatus；
Above-mentioned solid collecting device and Liquid Acquisition Apparatus are in detachable installation.
The detachable mounting means can be installation to be contacted between solid collecting device and Liquid Acquisition Apparatus, or pass through
Pipeline is connected two equipment.
Further, a kind of portable nutsch filter provided by the utility model, also has a structure in which feature：I.e., on
State the first path and be equipped with protection equipment I；
One end of above-mentioned protection equipment I is connected with Liquid Acquisition Apparatus, and the other end is connected with multichannel converter section.
The protection equipment I can be multiple, it is generally preferable to can be to prevent for the equipment of the equipment, the safety flack etc such as safety flack
The only suck-back of liquid, and the problem of liquid flooding in Liquid Acquisition Apparatus
Further, a kind of portable nutsch filter provided by the utility model, also has a structure in which feature：I.e., on
State in protection equipment I and be equipped with the liquid containing or adsorbing mechanism that can be observed.
The material for referring to the equipment component can be observed by transparent material manufacture or be equipped with form herein.
The adsorbing mechanism, which is generally storage, has calcium oxide, anhydrous phosphorus pentoxide, activated carbon etc. to have dry and absorption water
Point chemical/physical material equipment, for the effect such as system being dried.
Further, a kind of portable nutsch filter provided by the utility model, also has a structure in which feature：I.e., on
State third path and be equipped with protection equipment I I；
One end of above-mentioned protection equipment I I is connected with vacuum filtration portion, and the other end is connected with multichannel converter section.
Protection equipment I I can also be the equipment such as safety flack, filter, and its object is to further prevent falling for liquid
The problems such as inhaling, flow back, overflowing, while can also avoid solid impurity in dust, pipeline etc. from entering vacuum filtration portion, influence vacuum
The problems such as service life of suction filtration portion component.
Further, a kind of portable nutsch filter provided by the utility model, also has a structure in which feature：I.e., on
It is the equipment containing filter mechanism to state protection equipment I I.
Further, a kind of portable nutsch filter provided by the utility model, also has a structure in which feature：I.e., on
State fourth passage and be equipped with one-way conduction mechanism；
One end of above-mentioned one-way conduction mechanism is connected with air pressure balance portion, and the other end is connected with multichannel converter section.
In the case of connecting on four tunnels, needed to carry out open circuit or the path of this pipeline according to practical application.
The one-way conduction mechanism generally selects check valve or similar equipment.
Further, a kind of portable nutsch filter provided by the utility model, also has a structure in which feature：I.e., when
When vacuum filtration portion is in running order, above-mentioned one-way conduction mechanism closes, and air pressure balance portion is in multichannel converter section
Off state；
When vacuum filtration portion is in off working state, above-mentioned one-way conduction mechanism opening, makes air pressure balance portion with leading to more
Road converter section is in channel status.
Further, a kind of portable nutsch filter provided by the utility model, also has a structure in which feature：I.e., on
Stating solid collecting device includes filter membrane, for collecting the solid in sample；
Aforesaid liquid collecting device includes sealing mechanism, after the completion of the liquid in sample is collected, passes through sealing mechanism pair
Liquid Acquisition Apparatus is sealed.
Further, a kind of portable nutsch filter provided by the utility model, also has a structure in which feature：I.e., also
Including housing；
It is provided with above-mentioned housing and grips structure (such as:Handle etc.), and/or dragging structure is (such as：The wheel disc of housing bottom,
Runner etc.)；
Above-mentioned sample collection portion, vacuum display unit, vacuum filtration portion, air pressure balance portion, multichannel converter section are pacified respectively
Inside or outside housing；This kind equipment can be mounted on according to the needs used in housing, and reserves corresponding sample
Product are added or taken out window or installed using part by the way of its inside points is installed outside it and carried out.
Above-mentioned vacuum filtration portion obtains battery powered by the rechargeable battery/in housing or outlet or external power supply supplies
Electricity.In view of the difficulty in outdoor power supply, the vacuum filtration portion that the utility model is selected is preferably minipump, passes through lithium electricity
The problem of power supply can be achieved in the large capacity rechargeable battery such as pond.The diversity used of course for raising, can also install electricity thereon
The equipment such as source line.
Further, a kind of portable nutsch filter provided by the utility model, also has a structure in which feature：Above-mentioned shell
The outside of body is equipped with groove body；
Position-limit mechanism is equipped with above-mentioned groove body；
Above-mentioned solid collecting device is equipped with retaining structure；
Above-mentioned position-limit mechanism and retaining structure match；
Above-mentioned solid collecting device is installed in groove body by retaining structure, and installation fixation is carried out to it by position-limit mechanism
Conciliate installation.
Diversity in view of gathering sample, above-mentioned each structural establishment are formed using the material manufacture of acid-alkali-corrosive-resisting.
The effect of the utility model and effect：
The utility model provides a kind of integrated portable nutsch filter, the nutsch filter integrated design, and integrated level is high；Need not
Installation and debugging, a key switch；Agile compact easy to carry without using glassware material part, being suitable for vehicle-mounted and field makes
With；Pipeline component acid-alkali-corrosive-resisting used in filter liquid.
Preferably, in integrated portable nutsch filter provided by the utility model, by minipump, high-energy power supply,
The experiment equipment such as filter element and liquid collecting device minimizes, integrated；Structure optimization is carried out to filtering head, is convenient for changing filter membrane,
And keep air-tightness good, while accelerate the rate of filtration；Filter element and liquid collecting device are combined as using flexible couplings framework
One, and they are integrated on an instrument and equipment.
Preferably, in integrated portable nutsch filter provided by the utility model, increase pressure release branch, at the end of suction filtration from
Dynamic pressure release.
Brief description of the drawings
The structure diagram for the portable nutsch filter filter element that attached drawing 1, the present embodiment one provide；
The structure diagram for the portable nutsch filter that attached drawing 2, the present embodiment two provide；
The structure diagram for the portable nutsch filter that attached drawing 3, the present embodiment two provide；
The structure diagram for the portable nutsch filter filtering head that attached drawing 4, the present embodiment two provide；
The portable nutsch filter filtering head that attached drawing 5, variation provide is installed on the schematic diagram in groove body.
Embodiment
Embodiment one,
As shown in Figure 1, present embodiments providing a kind of suction filtration module of portable nutsch filter, which is adopted by sample
Collection unit 100, vacuum filtration unit 200, air pressure balance unit 300, vacuum display unit 400 and four-way 500 form；
The sample collection unit 100 includes filtering head 111, liquid-collecting bottle 112, safety flack 120；
Wherein, the liquid outlet of 111 bottom of filtering head is communicated with the liquid inlet of liquid-collecting bottle 112, after the completion of sample collection, warp
Under the action of vacuum filtration portion 200, solid is stayed in filtering head 111 in sample, and the liquid in sample is collected in liquid-collecting bottle 112
It is interior.
Pipeline I is additionally provided with liquid-collecting bottle 112 to communicate with safety flack 120, and pipeline II and four-way are additionally provided with safety flack 120
500 first via communicates；Bottom connections of the pipeline I and pipeline II not with safety flack 120 touches, and is preferably attached to from safety flack
Bottleneck is less than the position of 1/3 length.
The vacuum filtration unit 200 is made of small/micro vacuum pump 210 and filter 220；
Wherein, small/micro vacuum pump 210 takes electricity by charge power supply 211；
220 one end of filter is connected with small/micro vacuum pump 210, and the other end is communicated with the second tunnel of four-way 400.
The air pressure balance unit 300 is made of relief valve 310 and check valve 320；
Wherein, 320 one end of check valve is connected with relief valve 310, and the other end is communicated with the 3rd tunnel of four-way 400, this is unidirectional
Valve 320 is controlled by inside and outside differential pressure, the disconnection or connection of the 3rd road path is automatically adjusted, when vacuum filtration portion is in running order
When, the closed check valve, makes relief valve 310 be in off state with four-way, whole system is in negative pressure state；When vacuum is taken out
When filter portion is in off working state, which opens, and relief valve 310 is at channel status with four-way, so that whole
The internal pressure of a system is balanced with external pressure.
The vacuum display unit 400 is pressure vacuum gauge, can be understood by the reading to pressure vacuum gauge numerical value and read
Under work or off working state, the negative pressure value of system.The pressure vacuum gauge is communicated with the 4th tunnel of four-way 400.
Carrying out practically mode is as follows：The startup nutsch filter power supply (high-energy after the fluid filtered is poured into filter element
Battery), relief valve opens normally off at this time, and vacuum power device is started to work.Air with nutsch filter channel interior leads to
Four-way union to be crossed constantly to be discharged by vacuum power device via filter, the pressure value of pressure vacuum gauge starts to raise,
Due to suction function, filtrate obtained by filtration, purification is collected by liquid collecting device in filter element, and solid particulate matter is by filter membrane (filter paper)
Collect.After collecting filtrate, nutsch filter is closed, relief valve opens normally open at this time, and the internal duct of nutsch filter passes through four
Connection for bbreather pipe is connected via check valve with outside atmosphere so that channel interior negative pressure is released, so as to collect or more
Change filter membrane.So far the filtration duty of nutsch filter is completed.
Embodiment two
The present embodiment two provides a kind of nutsch filter, which is made of the suction filtration module and housing of embodiment one；
As shown in Figures 2 and 3, housing is equipped with groove body, filters first 201 and is installed in the groove body；
Liquid-collecting bottle 202 is installed on the lower section of suction filtration first 201, is connected by silica gel hose；
Safety flack 203 is installed on the side of housing, is connected by hose with liquid-collecting bottle 202；
Vacuum filtration unit is installed on enclosure interior, and the stopping of vacuum pump and operation are controlled by facility switching 204, leads to
The dial plate display 208 of the pressure vacuum gauge for being installed on housing sidepiece is crossed to read system vacuum, passes through electric-quantity display device 206
To read the electricity of rechargeable battery, charged by charging interface 207 to rechargeable battery.
The top of the housing is additionally provided with handle 206, for moving whole collector.
As shown in figure 4, filter first 201 by filter cup 301, filtering cup base 302, screw handle 303, filter membrane 304, O
Type sealing ring 305, filtering sand core 306 and liquid outlet 307 form；
The filter cup 301 is arranged on filtering cup base 302, and side connects, and another time is retractable state, passes through rotation
Twist handle 303 and realize filter cup 301 and the closing for filtering cup base 302 and opening, closed form is realized by O-ring seal 305
Under state, the sealing between filter cup 301, filtering cup base 302；
The filtering cup base 302 is equipped with filtering sand core 306, filters and is equipped with filter membrane between sand core 306 and filter cup 301
304, after the suction filtration of sample is completed, solid sample is persisted on filter membrane 304；
The bottom of the filtering cup base 302 is equipped with liquid outlet 307, and the liquid flowed out at the liquid outlet 307 is soft by silica gel
In pipe path liquid-collecting bottle.
The effect of above-described embodiment and effect：
In the present embodiment, choose minipump and serve as vacuum power device, nutsch filter is built in as core component
Inside, nutsch filter inside configuration high energy battery solve powerup issue as power supply.Meanwhile by by filter element with collection
Liquid device is designed as small-sized removable module, and filter element and liquid collecting device, real according to needed for different filtering requirements is replaceable
The effect using diversity and convenience is showed.
Meanwhile by increasing safety flack between nutsch filter internal duct and liquid collecting device, prevent filtering fluid enters from taking out
The pump housing inside filter.In addition, using pressure vacuum gauge as loine pressure display instrument, Real Time Observation is taken out in nutsch filter work
Whether pipeline working status is normal in filter, there is provided security.
After nutsch filter completes filtration, internal duct is connected with outside atmosphere using relief valve so that pipeline
Internal negative pressure is released, and so as to be easily sampled to solid sample, without worrying the loss and damage of sample, is improved
The accuracy of detection.
In addition, in the present embodiment, the equipment such as all hoses, is made by acid-fast alkali-proof material, improves product
Durability.
Variation：In this variation, the locking and unlocking mode that a kind of filtering head is installed in groove body is illustrated.
As shown in figure 5, the sidepiece of filtering head is provided with shackle member 500, shackle member 500 is equipped with retaining structure 510；
Groove body on housing includes having between groove body face 410a and groove body face 410b, groove body face 410a and groove body face 410b
The parallel space that shackle member 500 passes through can be accommodated；
One groove body face such as 410a is equipped with position-limit mechanism 420；
The position-limit mechanism 420 includes rod-like members 421 and the push and pull bar 422 of its end；
The size and structure on the head of the rod-like members 421 match with retaining structure 510；
During installation, after 500 sliding of shackle member of filtering head is entered groove body, pass through bullet built in position-limit mechanism 420
The elastic reaction of spring, after the head of rod-like members 421 is arranged in retaining structure 510, completes filtering head being installed in groove body；
When use, which finishes, needs to dismantle filtering head, only 422 need to will be pulled handle, you can the unlock of shackle member 500 is realized, so that filtering
Head departs from groove body.
Claims (9)
1. a kind of portable nutsch filter, after collection in worksite sample, separation of solid and liquid is carried out to it, it is characterised in that：Including taking out
Filter unit；
The suction filtration unit includes sample collection portion, vacuum display unit, vacuum filtration portion, air pressure balance portion, multichannel conversion
Portion；
The multichannel converter section can turn on one by one including four tunnels, one or two turn on or the path of mutual conduction；
The first via of the multichannel converter section is communicated with sample collection portion, forms the first path；
Second tunnel of the multichannel converter section is communicated with vacuum display unit, forms alternate path；
3rd tunnel of the multichannel converter section is communicated with vacuum filtration portion, forms third path；
4th tunnel of the multichannel converter section is communicated with air pressure balance portion, forms fourth passage；
Wherein, the sample collection portion includes solid collecting device and Liquid Acquisition Apparatus；
The solid collecting device and Liquid Acquisition Apparatus are detachable installation.
A kind of 2. portable nutsch filter as claimed in claim 1, it is characterised in that：
First path is equipped with protection equipment I；
One end of the protection equipment I is connected with Liquid Acquisition Apparatus, and the other end is connected with multichannel converter section.
A kind of 3. portable nutsch filter as claimed in claim 2, it is characterised in that：
The liquid containing or adsorbing mechanism that can be observed are equipped with the protection equipment I.
A kind of 4. portable nutsch filter as claimed in claim 1, it is characterised in that：
The third path is equipped with protection equipment I I；
One end of the protection equipment I I is connected with vacuum filtration portion, and the other end is connected with multichannel converter section.
A kind of 5. portable nutsch filter as claimed in claim 4, it is characterised in that：
The protection equipment I I is the equipment containing filter mechanism.
A kind of 6. portable nutsch filter as claimed in claim 1, it is characterised in that：
Four path is equipped with one-way conduction mechanism；
One end of the one-way conduction mechanism is connected with air pressure balance portion, and the other end is connected with multichannel converter section.
A kind of 7. portable nutsch filter as claimed in claim 1, it is characterised in that：
The solid collecting device includes filter membrane, for collecting the solid residue after sample filtering；
The Liquid Acquisition Apparatus includes sealing mechanism, after the completion of the liquid in sample is collected, by sealing mechanism to liquid
Collecting device is sealed.
A kind of 8. portable nutsch filter as described in claim 1-7 is any, it is characterised in that：
Further include housing；
It is provided with the housing and grips structure, and/or dragging structure；
The sample collection portion, vacuum display unit, vacuum filtration portion, air pressure balance portion, multichannel converter section are respectively arranged in
Housing it is internal or external；
The vacuum filtration portion obtains battery powered by the rechargeable battery/in housing or outlet or external power supply is powered.
A kind of 9. portable nutsch filter as claimed in claim 8, it is characterised in that：
The outside of the housing is equipped with groove body；
Position-limit mechanism is equipped with the groove body；
The solid collecting device is equipped with retaining structure；
The position-limit mechanism and retaining structure match；
The solid collecting device is installed in groove body by retaining structure, it is carried out by position-limit mechanism to install fixed reconciliation
Installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721091230.9U CN207270856U (en) | 2017-08-29 | 2017-08-29 | A kind of portable nutsch filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721091230.9U CN207270856U (en) | 2017-08-29 | 2017-08-29 | A kind of portable nutsch filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207270856U true CN207270856U (en) | 2018-04-27 |
Family
ID=61985018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721091230.9U Active CN207270856U (en) | 2017-08-29 | 2017-08-29 | A kind of portable nutsch filter |
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| CN (1) | CN207270856U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108579155A (en) * | 2018-07-06 | 2018-09-28 | 中国疾病预防控制中心环境与健康相关产品安全所 | Filter device for the dyeing of two worms |
| CN108744693A (en) * | 2018-05-23 | 2018-11-06 | 上海北裕分析仪器股份有限公司 | The portable nutsch filter of multistage filtering with sealed compartment |
| CN108982163A (en) * | 2018-08-27 | 2018-12-11 | 王汝贵 | A kind of Portable water sample acquisition nutsch filter |
| CN109100204A (en) * | 2018-08-27 | 2018-12-28 | 王汝贵 | A kind of automatic pumping sample presentation acquisition nutsch filter |
| CN111991031A (en) * | 2020-09-03 | 2020-11-27 | 中国科学院动物研究所 | Virus enrichment device and medical diagnosis device |
-
2017
- 2017-08-29 CN CN201721091230.9U patent/CN207270856U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744693A (en) * | 2018-05-23 | 2018-11-06 | 上海北裕分析仪器股份有限公司 | The portable nutsch filter of multistage filtering with sealed compartment |
| CN108579155A (en) * | 2018-07-06 | 2018-09-28 | 中国疾病预防控制中心环境与健康相关产品安全所 | Filter device for the dyeing of two worms |
| CN108579155B (en) * | 2018-07-06 | 2024-04-23 | 中国疾病预防控制中心环境与健康相关产品安全所 | Filter device for dyeing two insects |
| CN108982163A (en) * | 2018-08-27 | 2018-12-11 | 王汝贵 | A kind of Portable water sample acquisition nutsch filter |
| CN109100204A (en) * | 2018-08-27 | 2018-12-28 | 王汝贵 | A kind of automatic pumping sample presentation acquisition nutsch filter |
| CN111991031A (en) * | 2020-09-03 | 2020-11-27 | 中国科学院动物研究所 | Virus enrichment device and medical diagnosis device |
| CN111991031B (en) * | 2020-09-03 | 2022-03-18 | 中国科学院动物研究所 | Virus enrichment device and medical diagnosis device |
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