CN216209491U

CN216209491U - Material static detection device

Info

Publication number: CN216209491U
Application number: CN202122707274.2U
Authority: CN
Inventors: 沈洁; 方建明; 冯文龙
Original assignee: GUANGZHOU SINO-AUTO TECHNOLOGY CO LTD
Current assignee: GUANGZHOU SINO-AUTO TECHNOLOGY CO LTD
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-05
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a material static detection device, which comprises a material pipe and a sensor assembly, wherein the material pipe is provided with a material inlet and a material outlet; the material pipe comprises an inner pipe and an outer pipe; the outer pipe is sleeved with the inner pipe; the inner pipe is provided with an installation groove, and an opening of the installation groove is arranged on the outer wall of the inner pipe; the sensor assembly comprises a current sensor and a signal converter; the current sensor is arranged in the mounting groove; the signal converter is electrically connected with the current sensor; the detection precision is good, the stability is high, the response speed is high, the sensitivity is excellent, and the real-time monitoring can be realized.

Description

Material static detection device

Technical Field

The utility model relates to material conveying equipment, in particular to a material static detection device.

Background

In the process of conveying materials through pipelines, the materials are subjected to static electricity due to friction among the materials, the materials and the pipelines, the materials and conveying media and the pipelines. In many cases, it is very dangerous for the material to be charged with static electricity. Under the condition of explosive dust or gas, when the charge quantity between the charged material and metal objects such as pipelines, bins and the like exceeds a critical value, electrostatic discharge is caused, and then explosion can be caused.

The static detection of the existing pipeline for conveying materials mainly has a sampling cylinder mode, and the sampling cylinder is high in precision but cannot detect in real time.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide the material static detection device which has the advantages of good detection precision, high stability, high response speed and excellent sensitivity and can realize real-time monitoring.

The utility model is realized by adopting the following technical scheme: a material static detection device comprises a material pipe and a sensor assembly; the material pipe comprises an inner pipe and an outer pipe; the outer pipe is sleeved with the inner pipe; the inner pipe is provided with an installation groove, and an opening of the installation groove is arranged on the outer wall of the inner pipe; the sensor assembly comprises a current sensor and a signal converter; the current sensor is arranged in the mounting groove; the signal converter is electrically connected with the current sensor.

Further, the inner pipe is a non-metal inner pipe.

Further, the inner tube is at least 1 section.

Furthermore, the material pipe also comprises a connecting piece; the connecting piece is arranged at the end part of the outer pipe.

Further, the current sensor is a non-contact current sensor.

Further, the number of current sensors is at least 2; at least 2 current sensor current sensors are at different vertical heights.

Further, the current sensor is a hall sensor, a magnetic ring coil or a fluxgate sensor.

Further, the signal converter is arranged on the outer tube.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model is provided with the inner tube and the outer tube, the outer tube protects the inner tube and the current sensor, the sensitivity is not influenced, the stability is high, the service life is long, and the real-time detection can be realized;

2. the inner pipe bears the pressure in the pipeline, the current sensor is arranged in the groove and is not in direct contact with the inner pipe, the current sensor is prevented from being impacted by materials and is not easy to wear and tear, no charge exchange or induction exists between the current sensor and the materials, no discharging risk exists, and the safety coefficient is high;

3. the utility model has no obstruction and interference to the material conveying and flowing, no extra resistance and no extra energy consumption.

Drawings

FIG. 1 is a schematic structural view of the present invention;

in the figure, 1, a material pipe; 11. an inner tube; 111. mounting grooves; 12. an outer tube; 13. a connecting member; 2. a sensor assembly; 21. a current sensor; 22. a signal converter.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and the detailed description below:

example (b):

referring to fig. 1, the material static electricity detection device comprises a material pipe 1 and a sensor assembly 2; the material pipe 1 comprises an inner pipe 11, an outer pipe 12 and a connecting piece 13; the outer pipe 12 is sleeved on the inner pipe 11; an installation groove 111 is arranged on the inner pipe 11, and an opening of the installation groove 111 is arranged on the outer wall of the inner pipe 11; the connecting piece 13 is arranged at the end part of the outer pipe 12 and is used for connecting the detection device to the material transmission channel, and the connecting mode includes, but is not limited to, any connecting mode such as flanges, clamping grooves, quick connectors, clamping hoops, threads, welding, bonding and the like; the sensor assembly 2 includes a current sensor 21 and a signal converter 22; the current sensor 21 is arranged in the mounting groove 111; the signal converter 22 is electrically connected with the current sensor 21; the signal converter 22 is disposed on the outer tube 12.

The inner tube 11 is a non-metal inner tube 11, and includes but is not limited to plastic, ceramic, glass, and the like.

Wherein, the inner tube 11 is at least 1 section, can set for according to installation scene and technology demand.

The current sensor 21 is a hall sensor, a magnetic loop coil, or a fluxgate sensor.

The cross-sectional shape of the inner tube 11 includes, but is not limited to, a circular ring, a polygonal ring, etc.

The material passes through the inner pipe 11, and if the material does not carry static electricity, no current can be generated; if the material is charged with static electricity, current is generated, the current is in direct proportion to the amount of charge passing through the inner tube 11 in unit time, the data can be obtained through the current sensor 21, transmitted to the signal converter 22 and then transmitted to the controller, and the charge amount of the material in unit mass or the charge amount of the material in unit volume can be calculated by matching with the data of the amount of the material passing through the material in unit time.

The cooperation of inner tube 11 and outer tube 12, inner tube 11 bear the inside pressure of pipeline, and outer tube 12 plays the effect of protection, prevents that current sensor 21 from receiving the material impact, and current sensor 21 sets up in the groove not with intraductal direct contact, be difficult to loss and wearing and tearing.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.

Claims

1. A material static detection device comprises a material pipe and a sensor assembly; the material pipe is characterized by comprising an inner pipe and an outer pipe; the outer pipe is sleeved with the inner pipe; the inner pipe is provided with an installation groove, and an opening of the installation groove is arranged on the outer wall of the inner pipe; the sensor assembly includes a current sensor and a signal converter; the current sensor is arranged in the mounting groove; the signal converter is electrically connected with the current sensor.

2. The electrostatic detection device for materials as claimed in claim 1, wherein the inner tube is a non-metal inner tube.

3. The electrostatic detection device for materials as claimed in claim 1, wherein the inner tube is at least 1 section.

4. The electrostatic material detection device as claimed in claim 1, wherein the material tube further comprises a connector; the connecting piece is arranged at the end part of the outer pipe.

5. The electrostatic detection device for materials as claimed in claim 1, characterized in that the current sensor is a non-contact current sensor.

6. The material static electricity detection device according to claim 1, characterized in that the number of the current sensors is at least 2; at least 2 of the current sensors are at different vertical heights.

7. The material static electricity detecting device according to claim 1, characterized in that the current sensor is a hall sensor, a magnetic loop coil or a fluxgate sensor.

8. The electrostatic detection device for materials as claimed in claim 1, wherein the signal converter is disposed on the outer tube.