CN-224231732-U - Shallow circle storehouse deep gas measuring device

CN224231732UCN 224231732 UCN224231732 UCN 224231732UCN-224231732-U

Abstract

The utility model provides a shallow circular bin deep gas measuring device which comprises a main rod, a sampling probe tube, a gas measuring tube, a gas detecting terminal, a temperature measuring cable and a temperature measuring terminal, so as to construct a multi-dimensional grain condition monitoring system. The gas measuring pipe and the temperature measuring cable are integrated inside the main rod, so that the three-in-one three-dimensional gas monitoring module of the sampling probe pipe, the gas measuring pipe and the gas detecting terminal is constructed, and gas path blockage and cable failure caused by deformation due to deep compression of the grain pile can be avoided. And meanwhile, the gas detection collection points are arranged according to different depths, so that a gas collection point position covering the full depth of the grain pile is formed in the whole bin, the gas detection terminal receives a gas sample of the test point position where the gas detection pipe is positioned through the sampling probe pipe, and the gas concentration value of the deep point position is recorded, thereby effectively and accurately detecting the gas concentration of the deep layer of the shallow circular bin grain pile, effectively solving the problem of the environmental monitoring blind area of the deep layer grain pile, reducing the manual operation during gas detection and further improving the management efficiency.

Inventors

FANG ZHIYI
WANG ZHONGMING
CUI MIAO
Fang Jiangkun
WU SHUIFA

Assignees

福建华锐宇智能科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250416

Claims (7)

1. A shallow circular bin deep gas measuring device, which is characterized in that the device comprises: a main rod vertically fixed in the shallow circular bin; The sampling probe tubes are arranged along the height direction of the main rod, and air inlets are distributed on the surfaces of the sampling probe tubes; The gas measuring tube is communicated with the sampling probe tube, penetrates into the main rod and extends upwards out of the top end of the main rod; And the gas detection terminal is connected with the gas detection pipe and is configured to receive all gas samples of the gas detection pipe.
2. The device of claim 1, wherein the top wall and the bottom wall of the shallow circular bin are respectively provided with a detachable fastening buckle corresponding to the installation position of the main rod, the top end and the bottom end of the main rod are respectively provided with a steel wire ring, and the steel wire rings and the fastening buckles form a penetrating fit.
3. The apparatus of claim 2, wherein the gas measuring tube is positioned adjacent to the outside of the main rod relative to the wire loop.
4. The device of claim 2, wherein the cross section of the main rod is cross-shaped, two ends of the steel wire ring are respectively fixed to two corresponding sides of one group of the end parts of the main rod, and the inner parts of the two corresponding sides of the other group of the main rod are respectively provided with the gas measuring tube.
5. The apparatus of claim 1, wherein the sampling probe is secured to the exterior of the main shaft by a clamp connection.
6. The apparatus of claim 1 or 4, wherein the bottom of the sampling probe is provided with a dust vent therethrough.
7. The apparatus of claim 1, further comprising a thermometry cable threaded into the main shaft, one end of the thermometry cable extending outside the main shaft and connected to a thermometry terminal configured to synchronously collect temperature data of the thermometry cable.

Description

Shallow circle storehouse deep gas measuring device Technical Field The utility model relates to the field of shallow circular bin grain condition detection and deep gas detection, in particular to a shallow circular bin deep gas detection device. Background The shallow circular bin is a cylindrical overground granary with the ratio of the height to the diameter of the bin body being less than 1.5, and is mostly a flat-bottom bin, and the main body of the bin wall is mostly a reinforced concrete structure. The current shallow circular bin deep grain condition monitoring main probe detection and embedded sensor detection can only acquire local samples, and full bin sample data with wider coverage cannot be constructed. While the embedded sensor array improves the coverage range, the wiring is complex, and the deep layer of the grain pile is pressed and deformed, so that the gas path is easy to be blocked and the sensor is easy to fail. Disclosure of utility model Aiming at the defects of the background technology, the utility model provides a shallow circular bin deep gas measuring device. The utility model adopts the following technical scheme: a shallow circular bin deep gas measuring device, the device comprising: a main rod vertically fixed in the shallow circular bin; The sampling probe tubes are arranged along the height direction of the main rod, and air inlets are distributed on the surfaces of the sampling probe tubes; The gas measuring tube is communicated with the sampling probe tube, penetrates into the main rod and extends upwards out of the top end of the main rod; And the gas detection terminal is connected with the gas detection pipe and is configured to receive all gas samples of the gas detection pipe. In one possible implementation manner, the top wall and the bottom wall of the shallow circular bin are respectively provided with a detachable fastening buckle corresponding to the installation position of the main rod, the top end and the bottom end of the main rod are respectively provided with a steel wire ring, and the two steel wire rings are respectively matched with the two fastening buckles in a penetrating manner. In one possible implementation, the gas measuring tube is close to the outer side of the main rod relative to the wire ring. In one possible implementation manner, the cross section of the main rod is cross-shaped, two ends of the steel wire ring are respectively fixed to two corresponding sides of one group of end parts of the main rod, and the inner parts of the two corresponding sides of the other group of end parts of the main rod are respectively provided with the gas measuring tube. In one possible implementation, the sampling probe is secured to the outside of the main shaft by a clamp connection. In one possible implementation, the bottom of the sampling probe tube is provided with a dust exhaust hole penetrating through the bottom. In one possible implementation manner, the device further comprises a temperature measuring cable penetrating through the main rod, wherein one end of the temperature measuring cable extends to the outside of the main rod and is connected with a temperature measuring terminal, and the temperature measuring terminal is configured to synchronously collect temperature data of the temperature measuring cable. Compared with the prior art, the three-in-one three-dimensional gas monitoring module for the sampling probe, the gas measuring tube and the gas detection terminal is constructed through the main rod, and the gas measuring tube is integrated in the main rod to form protection, so that gas path blockage caused by deep compression deformation of a grain pile is avoided. In addition, a plurality of sampling probe pipes distributed longitudinally along the main rod form a gas collection point position covering the full depth of the grain pile, and each gas detection probe pipe is connected to a gas detection terminal through a gas detection pipe, so that the gas detection terminal receives a gas sample of a test point position where the gas detection pipe is located through the sampling probe pipe, and the gas concentration value of the deep point position is recorded through concentration analysis and point position marking of the gas detection terminal, thereby effectively and accurately detecting the gas concentration of the deep layer of the shallow circular grain pile, effectively solving the problem of the environmental monitoring blind area of the deep layer grain pile, and reducing manual operation during gas detection, thereby improving the management efficiency. Drawings FIG. 1 is a schematic view of the present utility model disposed in a shallow circular bin. Fig. 2 is an enlarged schematic view at a in fig. 1. Fig. 3 is an enlarged schematic view at B in fig. 1. Fig. 4 is a schematic diagram of a sampling probe connected to the middle section of the main rod. Fig. 5 is a cross-sectional view of the main rod in a top view after