CN209372645U - A kind of aerosol sampler - Google Patents

Abstract

The utility model discloses a kind of aerosol samplers, including box body, the cassette upper end is fixedly connected with mounting plate, and mounting plate upper end is fixedly connected with vacuum pump, the vacuum pump air entry is fixedly connected with flowmeter, the hose left end is fixedly connected with inlet cylinder, fixed bracket is fixedly connected on the outside of the inlet cylinder, filter tip inner ring is fixedly connected with inside the Rose Box, the Rose Box left end is fixedly connected with screen pipe, and engaging frame is fixedly connected with inside screen pipe, and fastener is fixedly connected on the outside of screen pipe, the screen pipe left end is connected together and has fixed lid, and fixed lid inside is fixedly connected with pressing block, the fixed outer side of lid characteristic of stock is connected with fastening device, and fastening device is mutually clamped with fastener.The aerosol sampler facilitates the installation of filter paper, while replacement is simple time saving, the rate of experiment sampling is increased, to improve the bulk life time of device.

Description

A kind of aerosol sampler

Technical field

The utility model relates to sampling of aerosol technical field, specially a kind of aerosol sampler.

Background technique

Aerosol sampler is a kind of for acquiring the sampling apparatus of radioaerosol in air, and aerosol sampler will Radioaerosol in air is collected and is analyzed, thus obtain data, in order to which relevant departments make adjustment to air quality, Promote the depollution of environment.

But existing aerosol sampler, it can be very troublesome during replacing filter paper, so that testing inspection There are many troubles for process, while the replacement of filter paper affects the speed of experiment sampling, and filter paper replacement is less to will lead to experiment knot Fruit inaccuracy, while existing aerosol sampler is poor to the protection of instrument, causes device lifetime too low.

Utility model content

The purpose of this utility model is to provide a kind of aerosol samplers, existing to solve to propose in above-mentioned background technique Aerosol sampler, can be very troublesome during replacing filter paper so that testing inspection process is there are many troubles, The replacement of filter paper simultaneously affects the speed of experiment sampling, and filter paper replacement is less to will lead to experimental result inaccuracy, while existing Aerosol sampler it is poor to the protection of instrument, lead to the problem that device lifetime is too low.

To achieve the above object, the utility model provides the following technical solutions: a kind of aerosol sampler, including box body, The cassette upper end is fixedly connected with mounting plate, and mounting plate upper end is fixedly connected with vacuum pump, and the vacuum pump gas outlet is worn It crosses tray interior and extends to box body front end, the vacuum pump air entry is fixedly connected with flowmeter, and the fixed company in flowmeter left end It is connected to hose, the hose left end is fixedly connected with inlet cylinder, fixed bracket is fixedly connected on the outside of the inlet cylinder, and fixed Pedestal lower end is fixedly connected with mounting plate, and the inlet cylinder left end is fixedly connected with air inlet pipe, and air inlet pipe left end is fixedly connected There is Rose Box, filter tip inner ring is fixedly connected with inside the Rose Box, the Rose Box left end is fixedly connected with screen pipe, and It is fixedly connected with engaging frame inside screen pipe, and engages to be connected together inside frame and have filter paper, be fixedly connected on the outside of the screen pipe There is PIPS detector, and PIPS detector upper end is fixedly connected with preamplifier, the screen pipe left end extends across box body On the outside of to box body, and fastener is fixedly connected on the outside of screen pipe, the fastener is located at PIPS detector left end, and the screen pipe is left End is connected together and has fixed lid, and fixed lid inside is fixedly connected with pressing block, and the fixed outer side of lid characteristic of stock is connected with locking Device, and fastening device is mutually clamped with fastener.

Preferably, the horizontal centre line overlap of the mounting plate and box body, and the length and width of mounting plate are less than the length and width of box body.

Preferably, the inlet cylinder is adapted with fixed bracket, and the horizontal centre line overlap of inlet cylinder and box body.

Preferably, the diameter on the outside of the filter tip inner ring is equal with the diameter inside Rose Box, and Rose Box and filtering The horizontal centre line overlap of pipe.

Preferably, the filter paper can filter the radioaerosol particle that partial size is greater than 0.3 micron, and the shape of filter paper It is adapted with the shape of engaging frame.

Preferably, the fastening device is adapted with fastener, and in the level about fixed lid of fastening device and fastener Heart line is symmetrically distributed with two groups.

Compared with prior art, the utility model has the beneficial effects that the aerosol sampler, is adopted in existing aerosol It is added fixed lid, engaging frame and Rose Box on sample device, filter paper is directly fastened on engaging frame by increasing engaging frame, Facilitate the installation of filter paper, while being respectively arranged with fastener and fastening device on fixed lid and engaging frame, makes the installation of filter paper and tear open Unloading seems simpler, at the same the replacement of filter paper only need by remove it is fixed cover and take out filter paper, while change it is new i.e. Can, replacement is simple time saving, increases the rate of experiment sampling, while repeatedly replacing filter paper, can increase the accuracy of experiment, mistake The gas of sucking can be carried out secondary filter by filter box, a degree of protection be carried out to inlet cylinder and follow-up equipment, to mention The bulk life time of high device.

Detailed description of the invention

Fig. 1 is the utility model schematic perspective view；

Fig. 2 is the utility model section structural schematic diagram；

Fig. 3 is the fixed lid Unclosing structure schematic diagram of the utility model.

In figure: 1, box body；2, mounting plate；3, vacuum pump；4, flowmeter；5, hose；6, inlet cylinder；7, fixed bracket；8, Air inlet pipe；9, Rose Box；10, filter tip inner ring；11, screen pipe；12, engage frame；13, filter paper；14, PIPS detector；15, block Part；16, fixed lid；17, pressing block；18, fastening device；19, preamplifier.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of aerosol sampler, including box body 1, box 1 upper end of body is fixedly connected with mounting plate 2, and 2 upper end of mounting plate is fixedly connected with vacuum pump 3, and 3 gas outlet of vacuum pump passes through box body For 1 internal stretch to 1 front end of box body, 3 air entry of vacuum pump is fixedly connected with flowmeter 4, and 4 left end of flowmeter be fixedly connected with it is soft Pipe 5,5 left end of hose are fixedly connected with inlet cylinder 6, and fixed bracket 7, and fixed 7 lower end of bracket are fixedly connected on the outside of inlet cylinder 6 It is fixedly connected with mounting plate 2,6 left end of inlet cylinder is fixedly connected with air inlet pipe 8, and 8 left end of air inlet pipe is fixedly connected with Rose Box 9, filter tip inner ring 10 is fixedly connected with inside Rose Box 9, and 9 left end of Rose Box is fixedly connected with screen pipe 11, and screen pipe 11 Inside is fixedly connected with engaging frame 12, and engages and be connected together inside frame 12 and have filter paper 13, is fixedly connected on the outside of screen pipe 11 PIPS detector 14, and 14 upper end of PIPS detector is fixedly connected with preamplifier 19,11 left end of screen pipe passes through box body 1 and prolongs 1 outside of box body is extended to, and is fixedly connected with fastener 15 on the outside of screen pipe 11, fastener 15 is located at 14 left end of PIPS detector, filtering 11 left end of pipe, which is connected together, fixed lid 16, and pressing block 17 is fixedly connected with inside fixed lid 16, fixed 16 outside characteristic of stock of lid It is connected with fastening device 18, and fastening device 18 is mutually clamped with fastener 15.

Further, the horizontal centre line overlap of mounting plate 2 and box body 1, and the length and width of mounting plate 2 are less than the length of box body 1 Width, guarantees that device integrally can be normally mounted on inside box body 1, carries out a degree of outside to the device inside box body 1 Protection, the entirety for increasing device benefit from the service life.

Further, inlet cylinder 6 is adapted with fixed bracket 7, and the horizontal centre line overlap of inlet cylinder 6 and box body 1, and Inflator can fully absorb the aerosol in air and be analyzed, and fixed bracket 7 can help inlet cylinder 6 to be consolidated It is fixed, increase the stability of device entirety.

Further, the diameter in 10 outside of filter tip inner ring is equal with the diameter inside Rose Box 9, and Rose Box 9 and mistake The horizontal centre line overlap of chimney filter 11, filter tip inner ring 10 can carry out secondary filter to the air entered inside Rose Box 9, from And a degree of internal protection is carried out to inlet cylinder 6 and follow up device, to reduce internal corrosion.

Further, filter paper 13 can filter the radioaerosol particle that partial size is greater than 0.3 micron, and the shape of filter paper 13 Shape is adapted with the shape of engaging frame 12, and the radioaerosol particle that partial size is greater than 0.3 micron can be stayed in filter by filter paper 13 On paper 13, so that PIPS detector 14 be facilitated to analyze radioaerosol particle.

Further, fastening device 18 is adapted with fastener 15, and fastening device 18 and fastener 15 about fixed lid 16 Horizontal center line be symmetrically distributed with two groups, fixed lid 16 can be fastened on 11 left end of screen pipe by fastening device 18, thus complete The fixation of pairs of filter paper 13, in order to the installation and replacement of filter paper 13.

Working principle: as shown in Figure 1, first opening vacuum pump 3, vacuum pump 3 sucks air from screen pipe 11, by It is internally provided with engaging frame 12 in screen pipe 11, and is engaged and is connected together inside frame 12 and has filter paper 13, so filter paper 13 is by air Radioaerosol particle of the middle partial size greater than 0.3 micron is absorbed, while PIPS detector 14 puts 13 inside of filter paper Penetrating property aerosol particle carries out concentration analysis, and is converted to the pulse signal of concentration value, while preamplifier 19 visits PIPS It surveys the pulse signal that device 14 issues to amplify, is handled convenient for following digital, enter Rose Box 9 with Airflow, and by filter tip After inner ring 10 carries out secondary filter, entered inside flowmeter 4 by hose 5, flowmeter 4 measures gas flow, convenient Calculating penetrating property aerosol particle concentration, last filtered gas are discharged from vacuum pump 3, locking to unclamp when replacement filter paper 13 Device 18 takes down fixed lid 16, and the filter paper 13 being fastened on inside engaging frame 12 is taken out, and more renews, then by fastening device 18 are mutually clamped with fastener 15.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of aerosol sampler, including box body (1), it is characterised in that: box body (1) upper end is fixedly connected with mounting plate (2), and mounting plate (2) upper end is fixedly connected with vacuum pump (3), and vacuum pump (3) gas outlet passes through box body (1) internal stretch To box body (1) front end, vacuum pump (3) air entry is fixedly connected with flowmeter (4), and flowmeter (4) left end is fixedly connected Have hose (5), hose (5) left end is fixedly connected with inlet cylinder (6), is fixedly connected with fixation on the outside of the inlet cylinder (6) Bracket (7), and fixed bracket (7) lower end is fixedly connected with mounting plate (2), inlet cylinder (6) left end is fixedly connected with air inlet It manages (8), and air inlet pipe (8) left end is fixedly connected with Rose Box (9), is fixedly connected in filter tip inside the Rose Box (9) Ring (10), Rose Box (9) left end are fixedly connected with screen pipe (11), and are fixedly connected with engaging frame inside screen pipe (11) (12), and being connected together inside engaging frame (12) has filter paper (13), and PIPS detection is fixedly connected on the outside of the screen pipe (11) Device (14), and PIPS detector (14) upper end is fixedly connected with preamplifier (19), screen pipe (11) left end passes through box Body (1) extends on the outside of box body (1), and is fixedly connected with fastener (15) on the outside of screen pipe (11), and the fastener (15) is located at PIPS detector (14) left end, screen pipe (11) left end, which is connected together, fixed lid (16), and solid inside fixed lid (16) Surely be connected with pressing block (17), characteristic of stock is connected with fastening device (18) on the outside of the fixed lid (16), and fastening device (18) with Fastener (15) is mutually clamped.

2. a kind of aerosol sampler according to claim 1, it is characterised in that: the mounting plate (2) and box body (1) Horizontal centre line overlap, and the length and width of mounting plate (2) are less than the length and width of box body (1).

3. a kind of aerosol sampler according to claim 1, it is characterised in that: the inlet cylinder (6) and fixed bracket (7) it is adapted, and the horizontal centre line overlap of inlet cylinder (6) and box body (1).

4. a kind of aerosol sampler according to claim 1, it is characterised in that: on the outside of the filter tip inner ring (10) Diameter is equal with the internal diameter of Rose Box (9), and the horizontal centre line overlap of Rose Box (9) and screen pipe (11).

5. a kind of aerosol sampler according to claim 1, it is characterised in that: the filter paper (13) can filter partial size Radioaerosol particle greater than 0.3 micron, and the shape of filter paper (13) is adapted with the shape of engaging frame (12).

6. a kind of aerosol sampler according to claim 1, it is characterised in that: the fastening device (18) and fastener (15) it is adapted, and fastening device (18) and the horizontal center line about fixed lid (16) of fastener (15) are symmetrically distributed with two Group.