CN216160259U

CN216160259U - A wind dirt sampling device for gaseous detection

Info

Publication number: CN216160259U
Application number: CN202122222596.8U
Authority: CN
Inventors: 郑磊; 胡立兴; 郑宝利; 郭仁杰; 张士雷
Original assignee: Guangyuan Testing Co ltd
Current assignee: Guangyuan Testing Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-04-01
Anticipated expiration: 2031-09-14

Abstract

The utility model provides a wind and dust sampling device for gas detection, which relates to the technical field of wind and dust sampling, and comprises a base, wherein one end of the base is fixedly connected with a driving device, the output end of the driving device is detachably connected with a turntable, the turntable is detachably connected with at least two dust collecting pipes, the upper part of the base is fixedly connected with an air pump, the other end of the air pump is connected with a sleeve, a sampling detector is arranged inside the sleeve, when the dust collecting pipes rotate along with the turntable, each dust collecting pipe sequentially has a through position with an air outlet of the air pump, the rotation of the driving device is controlled by a time delay device, the dust in a period of time can be collected, when the set time is up, the next dust collecting pipe can move to the position for collecting the dust and collects the dust again, this kind of structure can be so that the sampling detector gathers a plurality of samples, is favorable to the data analysis in later stage, excellent in use effect.

Description

A wind dirt sampling device for gaseous detection

Technical Field

The utility model relates to the technical field of wind dust sampling, in particular to a wind dust sampling device for gas detection.

Background

Gas detection is an important link in environmental monitoring, and factories with more dust need to detect air quality and wind dust. For example flour mill and coal processing factory, because after the inside dust of factory building reaches certain concentration, meet naked light or electric spark will have the danger of explosion, these all need use wind and dust sampling device to the inside of the very high mill of environmental dust quality requirement for inside dust concentration of real-time supervision factory building and the inside ventilation quality of factory building, thereby can inside ventilation and the dust of real-time supervision factory building, when the inside air of factory building is unusual, send the early warning in advance, avoid dangerous the emergence.

A wind dust sampling device is disclosed in a Chinese patent with an authorization publication number of CN212180389U, and the adopted technical scheme is as follows: the utility model provides a wind dirt sampling device includes L shape mounting panel, there is the swinging arms a side of L shape mounting panel through round pin axle swing joint, the one end swing joint of swinging arms has the probe steel pipe, the swinging arms has horizontal connecting rod through probe steel pipe swing joint, horizontal connecting rod has the initiative bull stick through round pin axle swing joint, the one end fixedly connected with axis of rotation of initiative bull stick, the one end fixedly connected with of probe steel pipe connects the trachea, connect two three-way solenoid valves of tracheal one end fixedly connected with, the other end fixedly connected with go-between of probe steel pipe, the one end fixedly connected with guard net of go-between, the inner wall of probe steel pipe passes through connecting rod fixedly connected with sampling detector.

However, the technical scheme has the following defects that the collected samples are single, and the samples in different time periods are not separately collected, so that the result of later-stage data analysis is inaccurate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wind dust sampling device, and aims to solve the problem that samples are not collected in different time periods in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a wind dirt sampling device for gaseous detection, includes the base, the one end fixedly connected with drive arrangement of base, drive arrangement's output can be dismantled and is connected with a carousel, can dismantle on the carousel and be connected with two at least dust collecting ducts, the upper portion fixedly connected with aspiration pump of base, the other end fixedly connected with sleeve pipe of aspiration pump, sheathed tube internally mounted has the sampling detector, and when the dust collecting duct followed the carousel and rotated, every dust collecting duct had the position relation that link up with the gas outlet of aspiration pump in proper order.

In order to prevent floaters such as poplar wadding in the air from blocking the air dust sampling device, the utility model has the further technical scheme that one end of the sleeve is movably connected with a protective net cover.

In order to facilitate the dust collecting pipe to be placed on the turntable, the utility model adopts the further technical scheme that the surface of the turntable is provided with a pipe supporting hole.

Preferably, the upper end fixedly connected with support frame of base, fixedly connected with baffle on the support frame, one side fixedly connected with aspiration pump of baffle, the other end of aspiration pump is connected with a sleeve pipe, sheathed tube internally mounted has the sampling detector.

In order to enable the upper end opening of the dust collecting pipe and the partition plate to be in a relatively sealed state and enable the pipe opening of the dust collecting pipe to be communicated with the air outlet of the air extracting pump, the utility model adopts the further technical scheme that one side of the partition plate is provided with an annular groove, the annular groove is provided with a through hole, and the diameter of the through hole, the width of a groove in the groove and the diameter of the pipe opening of the dust collecting pipe are equal.

In order to avoid the error of the sample caused by the condensation of water vapor on the surface of the sampling detector, the utility model has the further technical scheme that the inner surface of one end of the sleeve is provided with a heating resistor.

In order to realize the time-interval sampling of the wind dust, the utility model adopts the further technical scheme that a time delay device is arranged on the base, and the rotation of the driving device is controlled by the time delay device.

The utility model has the beneficial effects that:

1. when the sampling detector is used for collecting dust, the rotation of the delay device controls the driving device, the dust can be collected in a period of time, when the set time is reached, the driving device drives the next dust collecting pipe to move to the position of the through hole of the partition plate, the dust is collected again, the sampling detector can collect a plurality of samples by the aid of the structure, data analysis in the later period is facilitated, and the using effect is better.

2. According to the utility model, through the heating resistor arranged on the inner surface of one end of the sleeve, the error of the collected sample caused by water vapor condensation on the surface of the sampling detector can be avoided.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

FIG. 2 is a schematic diagram of a separator according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a bushing, a sampling detector, and a protective mesh enclosure in an embodiment of the utility model.

Fig. 4 is a schematic structural diagram of a turntable according to an embodiment of the present invention.

In the figure: 1-base, 2-driving device, 3-rotary table, 4-dust collecting pipe, 5-supporting frame, 6-clapboard, 7-air pump, 8-sleeve, 9-sampling detector, 10-protective screen, 11-pipe hole, 12-annular groove, 13-through hole, 14-heating resistor, 15-time delay device.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1-4, a wind dust sampling device for gas detection comprises a base 1, one end of the base 1 is fixedly connected with a driving device 2, preferably, the driving device 2 is a servo motor, the output end of the driving device 2 is detachably connected with a turntable 3, the output end of the driving device 2 is provided with a mounting plate, the mounting plate is detachably connected with the turntable 3 through a bolt assembly, the rotary table 3 is detachably connected with at least two dust collecting pipes 4, specifically, the rotary table 3 is provided with at least two pipe supporting holes 11, the dust collecting pipes 4 are arranged on the pipe supporting holes 11, an air pump 7 is fixedly connected with the upper part of the base 1, the other end of the air pump 7 is connected with a sleeve 8, a sampling detector 9 is arranged inside the sleeve 8, when the dust collecting pipes 4 rotate along with the rotary plate 3, each dust collecting pipe 4 has a through position with the air outlet of the air suction pump 7 in turn.

In this embodiment, when the air is pumped from the outside of the device to the inside of the device by the air pump 7, when the air passes through the air dust sampling detector 9, if the concentration value of the air dust in the air reaches the safety value set by the sampling detector 9, the sampling detector 9 will send out a safety alarm, and at the same time, the air continues to enter the dust collecting pipe 4 through the sleeve 8 and the air pump 7 under the action of the air pump 7, the driving device 2 is detachably connected with the rotary plate 3, each rotation of the driving device 2 is controlled by the time delay device 15, the driving device 2 drives the rotary plate 3 and the dust collecting pipe 4 on the rotary plate 3 to rotate, when the driving device 2 stops rotating, only one dust collecting pipe 4 can be communicated with the through hole 13 on the partition plate 6, when the time set by the time delay device 15 is reached, the driving device 2 is controlled to rotate again, so that the next dust collecting pipe 4 is communicated with the through hole 13 on the partition plate 6, the wind dust samples in different time periods are collected and stored respectively through the device.

Specifically, fixedly connected with support frame 5 on the base 1, fixedly connected with baffle 6 on the support frame 5, one side fixedly connected with aspiration pump 7 of baffle 6, the other end of aspiration pump 7 is connected with a sleeve pipe 8, the internally mounted of sleeve pipe 8 has sampling detector 9, and the fixed connection assurance device steady operation in each position.

Further, when the air is sucked to the device from the outside of the device by the air suction pump 7, impurities such as cotton wool can be filtered by the protection net cover 10, and the protection net cover 10 and the sleeve 8 are detachably connected, so that the protection net cover 10 is convenient to clean.

Preferably, the turntable 3 is provided with the pipe-holding hole 11, and the upper diameter of the dust collecting pipe 4 is larger than the lower diameter, so that the dust collecting pipe 4 can be stably and conveniently placed on the turntable 3, and the sample loss caused by the unstable placement of the dust collecting pipe 4 is prevented.

Specifically, the dust collecting pipe 4 rotates in an annular groove 12 of the partition plate 6, a through hole 13 is formed in the annular groove 12, the pipe opening of the dust collecting pipe 4 is communicated with the through hole 13 formed in the annular groove 12, the annular groove 12 is arranged to enable the pipe opening of the dust collecting pipe 4 and the partition plate 6 to be in a relatively sealed state, and the through hole 13 is favorable for collecting wind and dust.

Preferably, a heating resistor 14 is installed on the inner surface of one end of the sleeve 8, so that moisture can be prevented from being condensed on the sampling detector 9, and the reliability of the sample can be improved.

Furthermore, the driving device 2 is controlled to rotate by using the time delay device 15, so that the driving device 2 can be ensured to rotate at regular time, and the efficiency of sample collection can be improved.

It should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a wind dirt sampling device for gaseous detection, characterized by, includes base (1), the one end fixedly connected with drive arrangement (2) of base (1), the output of drive arrangement (2) can be dismantled and is connected with a carousel (3), can dismantle on carousel (3) and be connected with two at least dust collecting tubes (4), the upper portion fixedly connected with aspiration pump (7) of base (1), the other end of aspiration pump (7) is connected with sleeve pipe (8), the internally mounted of sleeve pipe (8) has sampling detector (9), and when carousel (3) rotation was followed in dust collecting tube (4), every dust collecting tube (4) had the position of lining up with the gas outlet of aspiration pump (7) in proper order.

2. The wind dust sampling device for gas detection according to claim 1, wherein a support frame (5) is fixedly connected to the other end of the base (1), a partition plate (6) is fixedly connected to the support frame (5), an air pump (7) is fixedly connected to one side of the partition plate (6), a sleeve (8) is fixedly connected to the other end of the air pump (7), and a sampling detector (9) is installed inside the sleeve (8).

3. A wind and dust sampling device for gas detection according to claim 1, wherein a protective screen (10) is detachably connected to one end of the sleeve (8).

4. A wind and dust sampling device for gas detection according to claim 1, wherein the surface of the rotary disc (3) is provided with a pipe hole (11).

5. A wind and dust sampling device for gas detection according to claim 2, wherein one side of the partition plate (6) is provided with an annular groove (12), and the annular groove (12) is provided with a through hole (13).

6. A wind and dust sampling apparatus for gas detection according to claim 1, wherein the inner surface of one end of the sleeve (8) is provided with a heating resistor (14).

7. A wind and dust sampling device for gas detection according to any one of claims 1-6, wherein a time delay device (15) is mounted on the base (1), and the rotation of the driving device (2) is controlled by the time delay device (15).