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CN-224216134-U - Self-cleaning material level detection device

CN224216134UCN 224216134 UCN224216134 UCN 224216134UCN-224216134-U

Abstract

The utility model relates to the technical field of material level detection, in particular to a self-cleaning material level detection device. The device comprises a level gauge and an air tap arranged on the level gauge, wherein one end of the air tap is connected with an air source, the other end of the air tap extends towards a radar lens of the level gauge, and the air tap can form a layer of air pressure diaphragm on the outer side of the radar lens. In the working process of the device, the air tap can form a layer of air pressure diaphragm on the outer side of the radar lens, dust can be prevented from blocking the surface of the radar lens by the air tap, meanwhile, the surface of the radar lens can be cleaned, dirt on the surface of the radar lens is blown away, light rays irradiated by the radar lens cannot be blocked by substances such as coal ash, the detection precision of the level gauge is guaranteed not to be reduced, and the level gauge can work reliably for a long time.

Inventors

  • QI TINGYUE
  • MA JIANXIANG
  • JIANG SIYUAN
  • WANG TONG
  • BAI WEN
  • BAI ZHONGWEI
  • CAO YANBIN

Assignees

  • 鄂尔多斯市国源矿业开发有限责任公司
  • 天津美腾科技股份有限公司

Dates

Publication Date
20260508
Application Date
20250609

Claims (10)

  1. 1. The self-cleaning material level detection device is characterized by comprising a material level indicator (1) and an air tap (2) arranged on the material level indicator (1), wherein one end of the air tap (2) is connected with an air source, the other end of the air tap (2) extends towards a radar lens of the material level indicator (1), and the air tap (2) can form a layer of air pressure diaphragm on the outer side of the radar lens.
  2. 2. Self-cleaning level detection device according to claim 1, characterized in that the number of air nozzles (2) is a plurality and is distributed at intervals around the radar lens.
  3. 3. Self-cleaning level detection device according to claim 1, characterized in that the level gauge (1) comprises a body part and a mounting flange (11) connected, the air tap (2) being connected to the mounting flange (11) by means of an air pipe (3).
  4. 4. A self-cleaning level detection device according to claim 3, wherein the air pipe (3) is L-shaped, one end of the air pipe (3) is fixedly connected with the mounting flange (11), and the other end of the air pipe is bent towards the radar lens, extends and is connected with the air tap (2).
  5. 5. Self-cleaning level detection device according to claim 1, further comprising a light-transmitting partition (4) laid outside the radar lens.
  6. 6. The self-cleaning level detection device according to claim 5, further comprising a baffle plate fixing flange (5) mounted on the level gauge (1), wherein the light-transmitting baffle plate (4) is clamped between the level gauge (1) and the baffle plate fixing flange (5).
  7. 7. A self-cleaning level detection device according to claim 3, characterized in that the body part comprises an antenna module (12), an electronic module (13) and a bluetooth communication module (14), the mounting flange (11) being arranged between the antenna module (12) and the electronic module (13), the bluetooth communication module (14) being arranged on the electronic module (13).
  8. 8. The self-cleaning material level detection device according to claim 7, wherein the antenna module (12) comprises an antenna housing (121), the cross section outline of the antenna housing (121) is petal-shaped and comprises a plurality of sequentially connected petals, and one air tap (2) is arranged between any two adjacent petals.
  9. 9. Self-cleaning level detection device according to claim 7, characterized in that a wiring opening (131) is provided on the electronic module (13).
  10. 10. Self-cleaning level detection device according to any one of claims 1 to 9, characterized in that a solenoid valve is arranged on the line between the air tap (2) and the air source.

Description

Self-cleaning material level detection device Technical Field The utility model relates to the technical field of material level detection, in particular to a self-cleaning material level detection device. Background At present, the domestic intelligent requirements on the coal industry are higher and higher, various optical sensors are put into intelligent construction, but the optical sensors are greatly limited in the scene of dust and coal slime in the coal industry. The level gauge is a sensor for scanning the surface shape and the height of coal in the bin through radar light, and when the level gauge is used, a radar lens of the level gauge stretches into the coal bin to detect the height of materials in the coal bin. Along with the extension of the service time, a layer of coal ash is attached to the surface of the radar lens, even coal slime is attached when the coal quality is wet, and the detection precision of the sensor is affected and even the normal use of the sensor is affected when the attachment quantity of the coal ash and the coal slime is too large. Disclosure of utility model The utility model aims to provide a self-cleaning material level detection device, which solves the technical problems that dirt is easily attached to the surface of a lens of a material level meter in the prior art, and the detection precision and normal use of the material level meter are affected. In order to achieve the above purpose, the present utility model adopts the following technical scheme: A self-cleaning material level detection device comprises a material level gauge and an air tap arranged on the material level gauge, wherein one end of the air tap is connected with an air source, the other end of the air tap extends towards a radar lens of the material level gauge, and the air tap can form a layer of air pressure diaphragm on the outer side of the radar lens. Further, the number of the air nozzles is multiple and the air nozzles are distributed at intervals around the radar lens. Further, the level gauge comprises a main body part and a mounting flange which are connected, and the air tap is connected with the mounting flange through an air pipe. Further, the air pipe is L-shaped, one end of the air pipe is fixedly connected with the mounting flange, and the other end of the air pipe is bent towards the radar lens to extend and connected with the air tap. Further, the radar lens further comprises a light-transmitting baffle plate paved outside the radar lens. Further, the device also comprises a baffle fixing flange arranged on the level gauge, and the light-transmitting baffle is clamped between the level gauge and the baffle fixing flange. Further, the main body part includes antenna module, electronic module and bluetooth communication module, the mounting flange set up in antenna module with between the electronic module, bluetooth communication module set up in on the electronic module. Further, the antenna module comprises an antenna shell, wherein the outer profile of the cross section of the antenna shell is petal-shaped and comprises a plurality of petals which are connected in sequence, and one air tap is arranged between any two adjacent petals. Further, a wiring port is arranged on the electronic module. Further, a solenoid valve is arranged on a pipeline between the air tap and the air source. The utility model has the beneficial effects that: The self-cleaning material level detection device comprises a material level gauge and an air tap arranged on the material level gauge, wherein one end of the air tap is connected with an air source, the other end of the air tap extends towards a radar lens of the material level gauge, and the air tap can form a layer of air pressure diaphragm on the outer side of the radar lens. In the working process of the device, the air tap can form a layer of air pressure diaphragm on the outer side of the radar lens, dust can be prevented from adhering to the surface of the radar lens by the air tap, meanwhile, the surface of the radar lens can be cleaned, dirt on the surface of the radar lens is blown away, light rays irradiated by the radar lens cannot be blocked by substances such as coal ash, the detection precision of the level gauge is ensured not to be reduced, and the level gauge can work reliably for a long time. Drawings In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art. FIG. 1 is a three-dimensional schematic view of a self-cleaning level detection device according to an embodiment of the present utility model; FIG. 2 is a schematic fo