CN206143205U - Little biological sampling ware of compressed air - Google Patents

Abstract

The utility model discloses a little biological sampling ware of compressed air for the microorganism is gathered and quantity monitoring technology field, including casing, sampling head and controllable step -down gas circuit system, be equipped with inlet air channel on the sampling head, just be equipped with inlet air channel's culture dish seat in the below of sampling head on the casing, be equipped with the air -out passageway on the culture dish seat, controllable step -down gas circuit system includes the gas circuit and establishes air pressure adjusting valve and the gas flowmeter in the gas circuit, and one end external air source interface on the casing of gas circuit, the other end pass through the inlet air channel butt joint of gas dispersion head and sampling head, and the top of sampling head is equipped with the recess, the tank bottom of recess is equipped with a plurality of micropores, the micropore forms inlet air channel, and the gas dispersion head is the hourglass hopper -shaped of inversion, the lower extreme and the recess cooperation of gas dispersion head. The utility model discloses compare other processing methods, its sample rate is fast, and the particle capture rate is high to it is the sampling method of ideal can calibration really to express out the actual content of bacterium among the compressed air.

Description

A kind of compressed air microorganism sampler

Technical field

This utility model is used for microorganism collection and quantity monitoring technical field, the micro- life of more particularly to a kind of compressed air Thing sampler.

Background technology

With the continuous upgrading of the production technologies such as pharmacy, clean compressed air is applied more and more widely as technique source gas In society all trades and professions, except medicine manufacture, clean compressed air be also widely used in such as brewing, food processing, In the industries such as the production of milk product and beverage, the manufacture of medical apparatus and instruments.Because of directly contact supplementary material or inner packaging material, compression is empty Whether up to standard source of the gas microbial limit is becomes the key factor for directly affecting product quality.Wherein《Quality control of pharmaceutical production is advised Model》（GMP）Article 25 just explicitly point out " the drying air, compressed air and noble gases with medicine directly contact should Purified process, meets production requirement ", but until current, also do not unify legal pharmaceutical grade compressed air quality both at home and abroad Standard, each company standard and technology of preparing it is uneven, have a strong impact on drug quality.

Since production is applied to from compressed air, its microorganism detection method typically has three：1st：Plate contact method, The method is traditional, the original detection method of comparison.2nd, water absorption method.3rd, gas microorganism sampler method borrows Microbial gas in pressing aid contracting air sampler detection compressed air.Three of the above method, plate contact method are simple, but Receive environmental impact factor larger, especially in the higher environment of humidity and temperature that antibacterial easily grows.In air blowing process, do not have There is the strong convection formed with outside ambient air through decompression, have impact on the verity of Detection results.And water absorption method, its early stage Preparation is relatively complicated, and having high demands for equipment is had to be especially tailored；During sampling, gas flow rate adjusts unstable, and and Not all microorganism can be all trapped in water, and also deficiency reacts the microorganism concn in compressed air to experimental result.Finally, it is right Gas microorganism sampler method, has its obvious advantage than first two method.Compressed gas are reduced pressure, will not be with external environment Form convection current.And culture dish is placed in instrument, the impact of external environment is less.But which also has a distinct disadvantage, which adopts rotation The process for exposing of culture dish, as culture dish circumferential location differs larger with the position angular velocity in the center of circle, so, the culture dish center of circle The open-assembly time at position be able to will be grown compared with circumferential location, and the result for causing is exactly that colony counting center of circle position microbe colony can be again Close.

Utility model content

To solve the above problems, this utility model provides a kind of compressed air microorganism sampler.Which adopts Anderson to hit Principle is hit, compressed air after the process of blood pressure lowering current limliting, by selecting different porous sampling heads, reaches Anderson and clashes into 5～8 The stroke speed and sampling rate of level, the microbe granular mixed in making compressed gas clash into and are attached to agar culture in culture dish The surface of base.Other processing methods are compared, its sample rate is fast, particle trapping rate is high, light compact.

This utility model solves the technical scheme adopted by its technical problem：A kind of compressed air microorganism sampler, Including housing, the sampling head and the controllable blood pressure lowering air-channel system being located in the housing of case top are located at, are set on sampling head There is air intake passage, be provided with the culture dish seat just to the air intake passage on the housing below sampling head, on culture dish seat Air-out passage is provided with, the controllable blood pressure lowering air-channel system includes gas circuit and the air pressure regulator being located in the gas circuit and gas stream Gauge, one end of gas circuit external gas source interface on housing, air intake of the other end by gas dispersing head with sampling head lead to Road is docked, and the bottom land that the top of the sampling head has groove, the groove is provided with some micropores, and the micropore forms air intake and leads to Road, gas dispersing head are in inverted funnel-form, the lower end of gas dispersing head and groove fit.

The improvement of technical solutions of the utility model is further used as, the case top is provided with fixing hole, and culture dish seat is embedding It is mounted in the fixing hole, and is fixed by fixed support, the culture dish seat is provided with culture dish fixture, the culture dish folder Tool include pedestal and it is some positioned at the pedestal surrounding and culture dish can be clamped in the buckle at the top of pedestal, the pedestal and Spaced between culture dish seat, pedestal is formed around around to the ventilating duct below pedestal.

The improvement of technical solutions of the utility model is further used as, gas dispersing head is provided with sealing with the mating surface of groove Circle groove, is provided with sealing ring in o-ring groove, the upper end of gas dispersing head is by standard component quick coupling and gas circuit screw thread Connection.

The improvement of technical solutions of the utility model is further used as, the pore arrangement is in vortex wire or some spiral arms Shape, micropore equidistantly distributed or gradually increases to olo.

The improvement of technical solutions of the utility model is further used as, the gas source interface is located on rear side of housing, gas source interface First dividing plate quick connector is set on housing, and the gas circuit is sequentially provided with air pressure regulator, gas flowmeter along airflow direction With the first air flue electromagnetic valve, the air pressure regulator is built in housing left surface, and the adjusting knob of air pressure regulator is stretched out outside housing Side, the gas flowmeter are built in housing right flank, and the adjusting knob of gas flowmeter stretches out hull outside.

The improvement of technical solutions of the utility model is further used as, and in the gas circuit, gas is provided with front side of air pressure regulator Body depurator and the second air flue electromagnetic valve, the controllable gas circuit of the second air flue electromagnetic valve import air pressure tune Jing after gas purifier Section valve is introduced directly into air pressure regulator.

The improvement of technical solutions of the utility model is further used as, circuit board and battery, housing table in the housing, is provided with Face is provided with display, the battery, display, air pressure regulator, the first air flue electromagnetic valve, the second air flue electromagnetic valve with it is described Circuit board connects, and the housing rear is provided with and off switch and the D/C power interface that can be charged the battery.

The improvement of technical solutions of the utility model is further used as, the housing includes upper casing and lower casing, upper casing and lower casing It is fixedly connected, and internally forms the inner chamber that each part is set, the upper casing has inclined inclination angle face, and upper casing is set in inclination angle face Display installing hole is put, the display is the LCD display in the display installing hole.

The improvement of technical solutions of the utility model is further used as, the placement of placement gas purifier in the housing, is provided with Storehouse, is provided with the dress communicated with place position and takes mouth on rear side of the housing, dress is taken mouth and closed by dismountable baffle plate.

The improvement of technical solutions of the utility model is further used as, the air-out passage is connected to housing by gas conduit The second partition quick connector of rear side, second partition quick connector are connected with external air filter.

Compressed air microorganism sampler described in the utility model is the strict industry of food and medicine and other standards Compressed air in microorganism collection design, for the microorganism collection in various types of compact gas and Monitoring of Quantity, can be directly right Compressed gas of the pressure between 0-1MPa are sampled.The method of sampling is based on generally acknowledged Anderson impingement method principle.Coordinate Different porous sampling heads reaches and is equivalent to Anderson principle level V（Or the 6th grade）Sample effect, it is ensured that more than 1 micron （Or 0.65 micron）Granule it is all collected.The sampling theory of adjustable pressure and flow during a kind of microorganism using collection, A controllable blood pressure lowering air-channel system, built-in air pressure regulator and gas flowmeter are provided with, sample rate is fixed value（100L/min or 200L/min）.During collecting sample, the numerical value that can be intuitively shown according to pressure gauge and effusion meter, using air pressure regulator and gas Flowmeter body carries out flow-compensated adjusting when the gas pressure and gas flow in preceding pipeline, keeps the constant of sample rate, Airborne particles uniformly clash into media surface with certain speed, and then ensure the precision of actual samples amount.Compressed air Sampler main body includes rustless steel panel beating housing, control board, LCD display, pad pasting button, gas diffusion head, aluminium alloy Porous sampling head, culture dish seat, gas flowmeter, air pressure regulator, air flue electromagnetic valve, gas particles depurator, each connection are led Pipe and each interface accessory, battery component.And have supporting single-chip microcomputer to be programmed control to equipment operation, and supporting computer is soft Part, can pass through data wire or bluetooth and be connected with computer, the every operational factor of setting equipment, check data storage.The present invention is main Casing body adopt 304 corrosion resistant plates, not corrosion, long service life, on form construction design, good looking appearance, it is lightweight, install Convenient, cleaning maintenance is easy, strong adaptability.The present invention adopts built-in gas flowmeter, air pressure regulator, can vision-control directly perceived Air pressure and gas flow size in passage.Using built-in changeable type gas purifier, the passage that can be flow through to gas is carried out only Change process, it is to avoid air flue it is contaminated and affect the later stage testing result.The present invention selects external air filter, goes out from source of the gas Excessive steam and oil droplet may be contained in the compressed air come, while also solid impurity, in order to reach the target of cleaning, Compressed gas after sampling, can select external air filter.Effect is exactly by the aqueous water in compressed air, fluid oil Drop is separated, and filters off the dust in air and solid impurity, is caught for the powder dust particle of the different-grain diameter in air Catch, adsorb, make expellant gas Quality advance.Can be according to the filtrations for needing selection different of different sample gas and user Device so as to reach corresponding filtering accuracy.Purpose is exactly to obtain the pure air that can reach standard.

The beneficial effects of the utility model：Sampling of this utility model using adjustable pressure during collection microorganism and flow Theory, is provided with a controllable blood pressure lowering air-channel system, built-in air pressure regulator and gas flowmeter, and sample rate is fixed value （100L/min or 200L/min）.During collecting sample, the numerical value that can be intuitively shown according to pressure gauge and effusion meter, using air pressure Regulating valve and gas flowmeter carry out flow-compensated adjusting when the gas pressure and gas flow in preceding pipeline, keep sampling Speed it is constant, airborne particles uniformly clash into media surface with certain speed, and then ensure the essence of actual samples amount Degree.

Which adopts Anderson collision theory, and compressed air is adopted by selecting different porous after the process of blood pressure lowering current limliting Sample head, reaches stroke speed and sampling rate that Anderson clashes into 5～8 grades, and the microbe granular mixed in making compressed gas hits Hit the surface for being attached to agar culture medium in culture dish.Other processing methods are compared, its sample rate is fast, particle trapping rate is high, It is light compact.

The present invention can be applied to the content of microorganisms of compressed gas and determine.Operation principle is hitting of commonly using of pharmacy industry Striking principle, only difference are that the process of " clash into against capture " is completed under stress, and effectively improve gas and adopt The accuracy of sample amount.Massive store, can record 8000 sampled datas automatically（When sample gas marshalling number, sampling quantity, sampling Between etc.）, sample record data can be inquired about at any time；So as to ensure that the true and reliable of air microbe detection.Compare other process Method, its sample rate are fast, and particle trapping rate is high, and can accurately reflect the actual content of antibacterial in compressed air, are A kind of comparatively ideal method of sampling.

Description of the drawings

The utility model is described in further detail below in conjunction with the accompanying drawings：

Fig. 1 is this utility model overall structure diagram；

Fig. 2 is this utility model internal structure schematic diagram；

Fig. 3 is this utility model culture dish holder structure schematic diagram；

Fig. 4 is this utility model sampling head structural representation；

Fig. 5-Fig. 8 is this utility model sampling head structural representation.

Specific embodiment

Reference picture 1- Fig. 8, that show the concrete structure of the preferred embodiment of this utility model.Will be detailed below The construction featuress of each element of this utility model, and if being described to during direction (upper and lower, left and right, before and after), be with Fig. 1 Shown structure is to be not limited thereto with reference to description, but actually used direction of the present utility model.

This utility model provides a kind of compressed air microorganism sampler, including housing 1, is located at adopting at the top of housing 1 Sample head 2 and the controllable blood pressure lowering air-channel system being located in the housing 1, the housing 1 include upper casing 11 and lower casing 12, upper casing 11 It is fixedly connected with lower casing 12, and internally forms the inner chamber that each part is set, sampling head 2 is provided with air intake passage, the housing 1 On be provided with the culture dish seat 3 just to the air intake passage in the lower section of sampling head 2, culture dish seat 3 is provided with air-out passage, described Controllable blood pressure lowering air-channel system includes gas circuit 41 and the air pressure regulator 42 being located in the gas circuit 41 and gas flowmeter 43, and Air gauge position is provided with the top of upper casing 11, one end of the gas circuit 41 is connected to gas source interface on housing 1, and the other end passes through gas Dispersing head 44 is docked with the air intake passage of sampling head 2.

This utility model is provided with a controllable blood pressure lowering using adjustable pressure during collection microorganism and the sampling theory of flow Air-channel system, built-in air pressure regulator and gas flowmeter, sample rate is fixed value（100L/min or 200L/min）.Adopt During collection sample, gas source interface is connected with external air source, can be utilized according to 43 numerical value for showing directly perceived of pressure gauge and gas flowmeter Air pressure regulator 42 and gas flowmeter 43 adjusting when the gas pressure and gas flow in preceding pipeline, carry out it is flow-compensated, Keep the constant of sample rate, airborne particles media surface uniformly to be clashed into certain speed, and then ensure actually to adopt The precision of sample amount.

Wherein, fixing hole is provided with the top of the housing 1, culture dish seat 3 is inlaid in the fixing hole, and by fixed Frame 13 is fixed, and during installation, culture dish seat 3 passes through reserved fixing hole position from outside housing 1, then is passed through by means of fixed support 13 Screw is connected with culture dish seat 3, and fixed support 13 has just been stuck in inside housing 1, and culture dish seat 3 now is just reliable solid It is fixed, internal fixed mode so that profile is more natural, attractive in appearance.The culture dish seat 3 is provided with culture dish fixture, the training Foster ware fixture includes that pedestal 31 and three are located at 31 surrounding of the pedestal and culture dish 32 can be clamped at the top of pedestal 31 Buckle 33, is suitable for the culture dish 32 of a diameter of or 50～90mm.Spaced, pedestal between the pedestal 31 and culture dish seat 3 31 are formed around around to the ventilating duct below pedestal 31, and airborne particles uniformly clash into media surface with certain speed Afterwards, bypass the ventilating duct of 31 surrounding of pedestal, most after air-out passage on Jing culture dishs seat 3 discharge.

The top of the sampling head 2 is provided with groove 21, and the bottom land of the groove 21 is provided with some micropores 22, the micropore 22 Arrangement 22 equidistantly distributed of micropore or gradually increases to olo in vortex wire or some spiral arm shapes, and sampling head 2 can use Go out.Micropore 22 ensures that airborne particles are uniformly distributed when high speed impact is to 32 surface of culture dish, effectively reduces during sampling The possibility that puffball overlaps, reduces microorganism count error.The micropore 22 forms air intake passage, and gas dispersing head 44 is in inversion Funnel-form, lower end and the groove 21 of gas dispersing head 44 coordinate, and are provided with o-ring groove, o-ring groove on a mating Sealing ring 23 is inside provided with, makees sampling head 2 and gas diffusion 44 using high-quality aviation aluminum, which can be used for steam sterilization or 75% Alcohol wipe sterilizes.The upper end of gas dispersing head 44 is threadedly coupled with gas circuit by standard component quick coupling, this connected mode Reliable, efficient, economic, convenience.

The gas source interface is located on rear side of housing 1, and gas source interface arranges the first dividing plate quick connector 45 on housing 1, side Just quickly connect source of the gas, the gas circuit is sequentially provided with air pressure regulator 42, gas flowmeter 43 and the first air flue along airflow direction Electromagnetic valve 46, the first air flue electromagnetic valve 46 are used for the process that whole sampling work after source of the gas is connected in control, the air pressure regulator 42 are built in 1 left surface of housing, and the adjusting knob of air pressure regulator 42 is stretched out on the outside of housing 1, and the gas flowmeter 43 is built in 1 right flank of housing, the adjusting knob of gas flowmeter 43 are stretched out on the outside of housing 1, in operation, are easy to right-hand man while controlling air pressure Regulating valve 42 and gas flowmeter 43, and while the observation of product operational factor situation is understood.Described gas flow is adjustable, can Manually adjust air pressure regulator 42 and gas flowmeter 43 changes pressure and flow inside gas circuit.

Gas purifier 47 and the second air flue electromagnetic valve 48 are provided with the front side of air pressure regulator 42 in the gas circuit, it is described Second air flue electromagnetic valve 48 can control gas circuit and air pressure regulator 42 imported Jing after gas purifier 47 or air pressure tune is introduced directly into Section valve 42, when sampling start before can by the second air flue electromagnetic valve 48 by the air discharged from source of the gas at gas purifier 47 After reason, then air pressure regulator 42, gas flowmeter 43 and the first air flue electromagnetic valve 46 are passed sequentially through, carry out controllable blood pressure lowering gas circuit system The air discharged from source of the gas is directly entered gas by the second air flue electromagnetic valve 48 after the completion of the step by washing away, clearing up for system Pressure regulating valve 43, gas flowmeter 43 and the first air flue electromagnetic valve 46, to complete follow-up sampling work.

Circuit board 5 and battery 6 are provided with the housing 1, and have supporting single-chip microcomputer control to be programmed to equipment operation, And supporting computer software.Full auto-programs are controlled, bulk sampling data-storing, while supporting MANUAL CONTROL mode.Can lead to Cross data wire to be connected with computer, check setting equipment items operational factor, data storage.1 surface of housing is provided with display 7, The battery 6, display 7, air pressure regulator 42, the first air flue electromagnetic valve 46, the second air flue electromagnetic valve 48 with the circuit Plate 5 connects, and 1 rear of the housing is provided with and off switch 8 and the D/C power interface 9 that can be charged to battery 6.Ship type on and off switch 8 The upper electricity of control board 5 and power-off, D/C power interface 9 use round interface, dividing plate quick connector interface to adopt standard to charge Part, is capable of achieving quickly and easily to connect extraneous gas conduit.The upper casing 11 has inclined inclination angle face, and upper casing 11 is in inclination angle face Display installing hole is set, and the display 7 is the LCD display in the display installing hole, LCD display is solid Determine the design of face angle of inclination, facilitate user to observe the data of display screen.Circuit board 5 is fixed on the LCD display back side, button pad pasting Top is divided into square screen display transparent window, and bottom is divided into total six key of two rows or single four key or without button touch control face Plate, button are fillet square or round, sampling setup parameter may be selected, comprising sampling quantity：10～6000L arbitrarily sets（With 10L For unit）, sample gas marshalling number setting, and adjustment gas flowmeter：10～100L/min or 20～200L/min, air pressure Regulating valve：0～1MPa etc..Sampling parameter and relevant information shown by LCD display, sampling quantity size, real-time traffic and surplus Remaining electricity etc. is cheer and bright.Display information can select the language that Chinese display or English or other users need to show.

The place position 14 of placement gas purifier 47 is provided with the housing 1, is provided with rear side of the housing 1 and place position 14 The dress for communicating takes mouth 15, and dress is taken mouth 15 and closed by dismountable baffle plate, just can directly be filled by the baffle plate at dismounting rear portion and be taken, gas The passage that body depurator 47 can be flow through to gas carries out purified treatment, it is to avoid air flue it is contaminated and affect the later stage testing result. Gas purifier 47 is consumable goodss, and after long-time use, clean-up effect can decline.Built-in replaceable air gas depurator 47 mounting structures, just can directly be filled by the baffle plate at dismounting rear portion and be taken.Gas conduit interface also uses easy pulling bayonet joint, so as to Ensure that the work efficiency of microorganism collection.

The air-out passage is connected to the second partition quick connector 49 on rear side of housing 1, second partition by gas conduit Quick connector 49 is connected with external air filter 40.External air filter 40 is optional, from external air filter 40, from Excessive steam and oil droplet may be contained in source of the gas compressed air out, while also solid impurity, in order to reach cleaning Target, can select external air filter 40.Effect is exactly to separate the aqueous water in compressed air, liquid oil droplet, and The dust and solid impurity in air is filtered off, is caught for the powder dust particle of the different-grain diameter in air, adsorbed, the row of making The gaseous mass for going out is improved.Can be according to different sample gas and the filters for needing selection different of user so as to reach phase The filtering accuracy answered.

The mode of this utility model computer connection is data wire or bluetooth, and data wire can be public for 3.5mm audio conversion USB-A types To public special patchcord, or the male to male line of USB-A types, or USB-A turns the male to male connecting lines of USB-B.By data wire or bluetooth It is connected with computer, can be started using bluetooth or infrared remote control control sampling using outside blue-tooth printer print record.This Utility model can transfer data to computer by dedicated data line, preserve experimental record using supporting computer software, can be automatic Record 8000 sampled datas, and can enquiry of historical data, can print current results, excel data forms can be derived, can be arranged Modification equipment items operational factor（Sample gas marshalling number, sampling quantity, sampling time）Deng.

Certainly, the invention is not limited to above-mentioned embodiment, and those of ordinary skill in the art are without prejudice to this Equivalent variations or replacement can also be made on the premise of utility model spirit, the modification of these equivalents or replacement are all contained in the application In claim limited range.

Claims (10)

1. a kind of compressed air microorganism sampler, it is characterised in that：Including housing, it is located at the sampling head of case top and sets Controllable blood pressure lowering air-channel system in the housing, sampling head is provided with air intake passage, in the lower section of sampling head on the housing The culture dish seat just to the air intake passage is provided with, culture dish seat is provided with air-out passage, the controllable blood pressure lowering air-channel system bag Include gas circuit and the air pressure regulator being located in the gas circuit and gas flowmeter, one end of gas circuit external gas source on housing Interface, the other end are docked with the air intake passage of sampling head by gas dispersing head, and the top of the sampling head has groove, described The bottom land of groove is provided with some micropores, and the micropore forms air intake passage, and in inverted funnel-form, gas disperses gas dispersing head The lower end of head and groove fit.

2. compressed air microorganism sampler according to claim 1, it is characterised in that：The case top is provided with fixation Hole, culture dish seat are inlaid in the fixing hole, and are fixed by fixed support, and the culture dish seat is provided with culture dish folder Tool, the culture dish fixture include pedestal and some positioned at the pedestal surrounding and culture dish can be clamped at the top of pedestal Buckle, spaced between the pedestal and culture dish seat, pedestal is formed around around to the ventilating duct below pedestal.

3. compressed air microorganism sampler according to claim 2, it is characterised in that：Gas dispersing head is matched somebody with somebody with groove Conjunction face is provided with o-ring groove, and sealing ring is provided with o-ring groove, and the upper end of gas dispersing head is quickly managed by standard component Joint is threadedly coupled with gas circuit.

4. compressed air microorganism sampler according to claim 3, it is characterised in that：The pore arrangement is in vortex lines Shape or some spiral arm shapes, micropore equidistantly distributed or gradually increase to olo.

5. compressed air microorganism sampler according to claim 1, it is characterised in that：The gas source interface is located at housing Rear side, gas source interface arrange the first dividing plate quick connector on housing, and the gas circuit is sequentially provided with air pressure adjustment along airflow direction Valve, gas flowmeter and the first air flue electromagnetic valve, the air pressure regulator are built in housing left surface, the regulation of air pressure regulator Button stretches out hull outside, and the gas flowmeter is built in housing right flank, and the adjusting knob of gas flowmeter stretches out hull outside.

6. compressed air microorganism sampler according to claim 5, it is characterised in that：In air pressure adjustment in the gas circuit Gas purifier and the second air flue electromagnetic valve, the controllable gas circuit Jing gas purification of the second air flue electromagnetic valve are provided with front side of valve Air pressure regulator is imported after device or air pressure regulator is introduced directly into.

7. compressed air microorganism sampler according to claim 6, it is characterised in that：Circuit board is provided with the housing And battery, surface of shell is provided with display, the battery, display, air pressure regulator, the first air flue electromagnetic valve, the second air flue Electromagnetic valve is connected with the circuit board, and the housing rear is provided with and off switch and the D/C power interface that can be charged the battery.

8. compressed air microorganism sampler according to claim 7, it is characterised in that：The housing includes upper casing with Shell, upper casing are fixedly connected with lower casing, and internally form the inner chamber for arranging each part, and the upper casing has inclined inclination angle face, Upper casing arranges display installing hole in inclination angle face, and the display is the LCD display in the display installing hole.

9. compressed air microorganism sampler according to claim 6, it is characterised in that：Placement gas is provided with the housing The place position of body depurator, is provided with the dress communicated with place position and takes mouth on rear side of the housing, dress takes mouth by dismountable baffle plate Closing.

10. compressed air microorganism sampler according to claim 1, it is characterised in that：The air-out passage passes through gas Body canal is connected to the second partition quick connector on rear side of housing, and second partition quick connector is connected with external air filter.