CN214066849U

CN214066849U - Atmosphere sampling monitor

Info

Publication number: CN214066849U
Application number: CN202023193558.6U
Authority: CN
Inventors: 朴林; 栗召林; 焉娜; 王伟; 张磊; 张赛
Original assignee: Shanghai Zhixing Environmental Technology Co ltd
Current assignee: Shanghai Zhixing Environmental Technology Co ltd
Priority date: 2020-12-27
Filing date: 2020-12-27
Publication date: 2021-08-27
Anticipated expiration: 2030-12-27

Abstract

The utility model relates to an atmosphere sampling monitor, which comprises a tank body, a tank cover, a first internal thread clamping ring, an air inlet pipe and an air outlet pipe, wherein the first internal thread clamping ring is sleeved outside the opening at the top of the tank body, the tank cover is embedded in the first internal thread clamping ring and tightly pressed above the opening at the top of the tank body through the first internal thread clamping ring in a sealing way, and the air inlet pipe and the air outlet pipe are inserted in the tank cover and are mutually communicated with the inside of the tank body; the tank cover is also internally provided with a monitoring assembly, the bottom of the tank body is also embedded with a detachable sealing plug, and the tank body is also externally sleeved with an insulating tank; the utility model adopts the piezoelectric crystal oscillator method to measure the weight concentration of the floating dust in the atmosphere, has small volume, convenient movement and installation and high test precision; in addition, the structure is simple, and the operation is easy.

Description

Atmosphere sampling monitor

Technical Field

The utility model relates to an atmosphere sample monitor.

Background

The atmospheric pollution is a phenomenon that the concentration of pollutants in the atmosphere reaches a harmful degree so as to destroy an ecological system and normal survival and development conditions of human beings and cause harm to human beings and objects, and the floating dust particles are an important measurement standard influencing the atmospheric pollution degree; in order to monitor the weight concentration of the floating dust in the atmosphere, the gas in the atmosphere needs to be sampled and detected; at present, the methods for measuring the weight concentration of the floating dust in the atmosphere mainly include a gravimetric method, a piezoelectric crystal oscillator method and a beta-ray absorption method.

Most of the existing atmosphere sampling monitors adopt a gravimetric method, namely, a large storage tank is used for containing a certain amount of gas and weighing the gas to compare the weight, so as to obtain the weight and concentration data of the floating dust, but the arrangement of the storage tank causes the whole volume to be large, the movement and the installation to be inconvenient, and the test precision to be low; the equipment required by the beta-ray absorption method has high cost due to complex structure and high difficulty in operation, so the use is less; and is subject to further improvement.

SUMMERY OF THE UTILITY MODEL

To the current situation of above-mentioned prior art, the utility model aims to solve the technical problem that a small so that remove and install, and the measuring accuracy is high, simple structure, easy operation's atmosphere sample monitor is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: an atmosphere sampling monitor is characterized by comprising a tank body, a tank cover, a first internal thread pressing ring, an air inlet pipe and an air outlet pipe, wherein the first internal thread pressing ring is sleeved on the outer side of the opening at the top of the tank body in a screwed mode; the tank cover is also internally provided with a monitoring assembly, the monitoring assembly comprises an upper tank body, a lower tank body, a tank cover, a second internal thread pressing ring, a sheath base and a main body, the lower tank body is vertically arranged in the tank body, the top opening of the lower tank body is embedded in the tank cover, the upper tank body is vertically and detachably fixed at the top of the tank cover and is concentrically arranged with the lower tank body, the bottom opening of the upper tank body and the top opening of the lower tank body are mutually spliced, the second internal thread pressing ring is sleeved and screwed outside the top opening of the upper tank body, and the tank cover is embedded in the second internal thread pressing ring and is tightly pressed above the top opening of the upper tank body through the second internal thread pressing ring in a sealing manner; the utility model discloses a piezoelectric ceramic is characterized in that the piezoelectric ceramic is fixed in the bottom of the piezoelectric ceramic.

Preferably, a detachable sealing plug is embedded in the bottom of the tank body.

Preferably, still the cover is equipped with insulating pot outside the jar body, outwards form the spacing circle on the outer wall of the jar body, the top opening top of insulating pot is tightly in the downside of spacing circle.

Preferably, the top of the tank cover is provided with a counter bore, the center of the bottom surface of the counter bore is provided with a through hole, the lower cylinder body is arranged in the through hole in an inserting mode, a first flanging is formed outwards at the opening at the top of the lower cylinder body, and the first flanging is tightly pressed on the bottom surface of the counter bore.

Preferably, a convex ring is formed outwards at the opening at the bottom of the upper cylinder body, the convex ring is inserted into the counter bore and is pressed tightly at the top of the first flanging, a second flanging is formed outwards on the peripheral surface of the convex ring, and the second flanging is detachably fixed at the top of the tank cover.

Preferably, a check ring is outwards formed on the outer wall of the opening at the top of the tank cover, the lower side of the check ring is attached to the opening at the top of the tank body, and the inner wall of the top of the first internal thread pressing ring is pressed on the upper side of the check ring.

Compared with the prior art, the utility model has the advantages of: the utility model adopts the piezoelectric crystal oscillator method to measure the weight concentration of the floating dust in the atmosphere, has small volume, convenient movement and installation and high test precision; in addition, the structure is simple, and the operation is easy.

Drawings

FIG. 1 is a view showing a structure of a top side of the present invention;

fig. 2 is a sectional structure view of the present invention.

Detailed Description

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

As shown in fig. 1-2, an atmosphere sampling monitor comprises a tank body 1, a tank cover 2, a first internal thread pressing ring 5, an air inlet pipe 3 and an air outlet pipe 4, wherein the first internal thread pressing ring 5 is sleeved and screwed outside the opening at the top of the tank body 1, the tank cover 2 is embedded in the first internal thread pressing ring 5 and is tightly pressed above the opening at the top of the tank body 1 through the first internal thread pressing ring 5 in a sealing manner, and the air inlet pipe 3 and the air outlet pipe 4 are both inserted in the tank cover 2 and are both communicated with the inside of the tank body 1; the tank cover 2 is also provided with a monitoring assembly, the monitoring assembly comprises an upper tank body 6, a lower tank body 7, a tank cover 9, a second internal thread pressing ring 10, a sheath base 11 and a main body, the lower tank body 7 is vertically arranged in the tank body 1, the top opening of the lower tank body 7 is embedded in the tank cover 2, the upper tank body 6 is vertically and detachably fixed at the top of the tank cover 2 and is concentrically arranged with the lower tank body 7, the bottom opening of the upper tank body 6 and the top opening of the lower tank body 7 are mutually spliced, the second internal thread pressing ring 10 is in threaded connection with the outer side of the top opening of the upper tank body 6 in a sleeved mode, and the tank cover 9 is embedded in the second internal thread pressing ring 10 and is tightly sealed and pressed above the top opening of the upper tank body 6 through the second internal thread pressing ring 10; sheath seat 11 is pegged graft in cover 9, the main part is located between barrel 6 and the lower barrel 7, the main part includes piezoelectric crystal 12, oscillator 13, base 14, bolt 15 and circuit board 16, base 14 is located inside barrel 6, circuit board 16 includes two, two circuit boards 16 are all located the inside top that all lies in base 14 of barrel 6, bolt 15 is including a plurality ofly, a plurality of bolts 15 alternate the setting between base 14 and two circuit boards 16 along the circumferencial direction, the spiro union is inserted in cover 9 from up down to all to the screw thread end of every bolt 15, oscillator 13 is fixed in base 14's bottom and is located barrel 6 inside and link to each other with two circuit boards 16, piezoelectric crystal 12 is located inside barrel 7 down, piezoelectric crystal 12's top links to each other with oscillator 13's bottom.

Counter bore 21 has been seted up at the top of cover 2, through-hole 23 has been seted up at the bottom surface center of counter bore 21, lower barrel 7 alternates to set up in through-hole 23, the top opening part of lower barrel 7 outwards is formed with first turn-ups 71, first turn-ups 71 compresses tightly on the bottom surface of counter bore 21, the bottom opening part of going up barrel 6 outwards is formed with protruding circle 61, protruding circle 61 inserts in counter bore 21 and compresses tightly at the top of first turn-ups 71, outwards be formed with second turn-ups 62 on the outer peripheral face of protruding circle 61, the top at cover 2 is fixed to second turn-ups 62 detachable.

A retainer ring 22 is outwards formed on the outer wall of the top opening of the tank cover 2, the lower side of the retainer ring 22 is attached to the top opening of the tank body 1, and the inner wall of the top of the first internal thread pressing ring 5 is tightly pressed on the upper side of the retainer ring 22.

The bottom of the tank body 1 is also embedded with a detachable sealing plug 8.

The outer still cover of jar body 1 is equipped with insulating pot 17, outwards forms spacing circle 101 on the outer wall of jar body 1, and the top opening department top of insulating pot 17 tightly is in the downside of spacing circle 101.

When in use: a power line and a signal line are led into the upper barrel 6 through the sheath seat 11 and are connected with two circuit boards 16; the air in the atmosphere enters the tank body 1 through the air inlet pipe 3 and is exhausted outwards through the air outlet pipe 4, so that a certain amount of air with certain pressure is kept in the tank body 1.

The two circuit boards 16 are electrified to excite the oscillator 13 to work, and then high-frequency oscillation waves are emitted outwards by means of the piezoelectric crystal 12, and the oscillation waves penetrate through the lower cylinder 7 and are in contact with the gas in the tank body 1 to detect the weight concentration of floating dust in the gas, and the principle is the prior art.

The impurities deposited at the bottom of the tank body 1 can be discharged outwards by pulling out the sealing plug 8; the insulating tank 17 can effectively ensure that the tank body 1 is in an insulating state to prevent external static electricity from influencing the oscillation wave.

The utility model adopts the piezoelectric crystal oscillator method to measure the weight concentration of the floating dust in the atmosphere, has small volume, convenient movement and installation and high test precision; in addition, the structure is simple, and the operation is easy.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. An atmosphere sampling monitor is characterized by comprising a tank body, a tank cover, a first internal thread pressing ring, an air inlet pipe and an air outlet pipe, wherein the first internal thread pressing ring is sleeved on the outer side of the opening at the top of the tank body in a screwed mode; the tank cover is also internally provided with a monitoring assembly, the monitoring assembly comprises an upper tank body, a lower tank body, a tank cover, a second internal thread pressing ring, a sheath base and a main body, the lower tank body is vertically arranged in the tank body, the top opening of the lower tank body is embedded in the tank cover, the upper tank body is vertically and detachably fixed at the top of the tank cover and is concentrically arranged with the lower tank body, the bottom opening of the upper tank body and the top opening of the lower tank body are mutually spliced, the second internal thread pressing ring is sleeved and screwed outside the top opening of the upper tank body, and the tank cover is embedded in the second internal thread pressing ring and is tightly pressed above the top opening of the upper tank body through the second internal thread pressing ring in a sealing manner; the utility model discloses a piezoelectric ceramic is characterized in that the piezoelectric ceramic is fixed in the bottom of the piezoelectric ceramic.

2. An atmosphere sampling monitor according to claim 1, wherein a removable sealing plug is embedded in the bottom of the canister.

3. The atmospheric sampling monitor of claim 1, wherein an insulating tank is further sleeved outside the tank body, a limiting ring is formed outwards on the outer wall of the tank body, and an opening at the top of the insulating tank is tightly propped against the lower side of the limiting ring.

4. The atmospheric sampling monitor of claim 1, wherein a counter bore is formed in the top of the tank cover, a through hole is formed in the center of the bottom surface of the counter bore, the lower cylinder is inserted into the through hole, a first flange is outwardly formed at the opening of the top of the lower cylinder, and the first flange is tightly pressed against the bottom surface of the counter bore.

5. The atmospheric sampling monitor of claim 4, wherein the bottom opening of the upper cylinder is formed with a protruding ring outward, the protruding ring is inserted into the counter bore and pressed against the top of the first flange, and the outer peripheral surface of the protruding ring is formed with a second flange outward, and the second flange is detachably fixed on the top of the tank cover.

6. An atmosphere sampling monitor according to claim 1, wherein the outer wall of the top opening of the lid is formed with a retaining ring, the lower side of the retaining ring is attached to the top opening of the tank, and the inner wall of the top of the first internally threaded retaining ring is pressed against the upper side of the retaining ring.