CN103852400A - Device for automatically acquiring silo storage flow condition information - Google Patents

Device for automatically acquiring silo storage flow condition information Download PDF

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Publication number
CN103852400A
CN103852400A CN201410127480.8A CN201410127480A CN103852400A CN 103852400 A CN103852400 A CN 103852400A CN 201410127480 A CN201410127480 A CN 201410127480A CN 103852400 A CN103852400 A CN 103852400A
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CN
China
Prior art keywords
silo
transparent
speed camera
funnel part
bin stock
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Pending
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CN201410127480.8A
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Chinese (zh)
Inventor
孙巍巍
卢赛
张园
张百涛
赵志强
董浩林
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Nanjing University of Science and Technology
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Nanjing University of Science and Technology
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Application filed by Nanjing University of Science and Technology filed Critical Nanjing University of Science and Technology
Priority to CN201410127480.8A priority Critical patent/CN103852400A/en
Publication of CN103852400A publication Critical patent/CN103852400A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a device for automatically acquiring silo storage flow condition information. The device comprises a transparent silo, a silo bracket, a high-speed camera bracket and a high-speed camera, wherein the silo is divided into a cylinder part and a funnel part; the funnel part is arranged on the lower part; the silo bracket is fixedly connected to one end of the funnel part of the transparent silo; a gap is formed between an opening of the funnel part of the transparent silo and the bottom end of the silo bracket; one side of the transparent silo is fixedly connected with the high-speed camera bracket; the high-speed camera is arranged on the high-speed camera bracket; a switching valve is arranged at the opening of the funnel part of the transparent silo; a switching valve sensor is arranged on the switching valve; and the switching valve sensor is connected with a switch of the high-speed camera. According to the device, the flow state of feed storage in the silo can be timely and rapidly acquired, so that a flow model in the silo is conveniently analyzed.

Description

Silo bin stock flow regime information automatic acquisition device
Technical field
The invention belongs to silo bin stock flow detection field, particularly a kind of silo bin stock flow regime information automatic acquisition device.
Background technology
In existing silo flow channel test method, bin stock flow channel is mainly adopted to artificial observation.Roughly judge the flow characteristics of bin stock in silo by artificial observation, but artificial observation is owing to being subject to the impact of human factor, the result of different personnel's observations differs larger.And observed result can only pass through written record, cannot set up can be for the model of post analysis research; Be not easy to system silo bin stock flow state is analyzed and studied.
Summary of the invention
The object of the present invention is to provide a kind of can collection the flow state of the bin stock in silo quickly, to analyze the silo bin stock flow pattern automatic information collecting device of flow model in silo.
The technical solution that realizes the object of the invention is:
A kind of silo bin stock flow regime information automatic acquisition device, comprises transparent silo, silo support, high-speed photography machine support and high-speed camera; Silo is divided into column part and funnel part, funnel part under, silo support is connected in funnel part one end of transparent silo, there is space the bottom of the opening of the funnel part of transparent silo and silo support, one side of transparent silo is fixed with high-speed photography machine support, and high-speed camera is arranged on high-speed photography machine support, and the opening part of the funnel part of transparent silo arranges switch valve, switch valve sensor is set on switch valve, and switch valve sensor is connected with the switch of high-speed camera.
The present invention compared with prior art, its remarkable advantage:
(1) the present invention adopts high-speed camera to gather the flow state of bin stock in silo, and collecting efficiency is high, and the flow regime information obtaining is more linear.
(2) the present invention adopts transparent silo, and the position variation of observable and collection has overcome the limitation that can only observe at silo top at present.
(3) the present invention arranges switch valve and sensor at the opening part of the funnel part of silo, can realize the robotization of information acquisition, improves the real-time gathering.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram of silo bin stock flow regime information automatic acquisition device of the present invention.
Fig. 2 is the structure schematic top plan view of silo bin stock flow regime information automatic acquisition device of the present invention.
Embodiment
In conjunction with Fig. 1 and Fig. 2:
A kind of silo bin stock of the present invention flow regime information automatic acquisition device, comprises transparent silo 2, silo support 4, high-speed photography machine support 5 and high-speed camera 1; Silo is divided into column part and funnel part, funnel part under, silo support is connected in funnel part one end of transparent silo 2, there is space the bottom of the opening of the funnel part of transparent silo 2 and silo support 4, one side of transparent silo 2 is fixed with high-speed photography machine support 5, and high-speed camera 1 is arranged on high-speed photography machine support 5, and the opening part of the funnel part of transparent silo 2 arranges switch valve, switch valve sensor is set on switch valve, and switch valve sensor is connected with the switch of high-speed camera 1.
In transparent silo 2 column parts, be provided with transparent plate 6 along the diameter of cylindrical cross-section, wherein, the length of transparent plate 6 is identical with the height of transparent silo 2 column parts, transparent plate 6 width are identical with the cylindrical cross-section diameter of transparent silo 2 column parts, and the plate face of transparent plate is vertical with the shooting direction of high-speed camera 1.
Transparent silo 2 and transparent plate 6 are organic glass material.
In transparent silo 2, pack test bin stock 3 into, open the switch valve of transparent silo 2 funnel part opening parts, signal is passed to high-speed camera 1 by switch valve sensor on switch valve, and high-speed camera 1 is started working, and gathers the flow state image information of silo 1 interior bin stock.If transparent plate 6 is set, only by transparent plate 6 that separate and high-speed camera 1 away from transparent silo 2 in part pack test bin stock 3 into, taken test bin stock 3 flow states of high-speed camera 1 are in a plane, more directly perceived like this.High-speed camera 1 collects linear image information, and the later stage can process gathering the image information of coming, and conveniently sets up the three-dimensional dimension of flow channel, and then analyzes flow pattern.
Embodiment 1:
A kind of silo bin stock flow regime information automatic acquisition device, comprises transparent silo 2, silo support 4, high-speed photography machine support 5 and high-speed camera 1; Silo is divided into column part and funnel part, funnel part under, silo support is connected in funnel part one end of transparent silo 2, there is space the bottom of the opening of the funnel part of transparent silo 2 and silo support 4, one side of transparent silo 2 is fixed with high-speed photography machine support 5, and high-speed camera 1 is arranged on high-speed photography machine support 5, and the opening part of the funnel part of transparent silo 2 arranges switch valve, switch valve sensor is set on switch valve, and switch valve sensor is connected with the switch of high-speed camera 1.
The high H=1000mm of transparent silo 2 column part, inner diameter D=500mm, wall thickness is 10mm, continuous for realizing discharging, funnel angle is 60 °, funnel part opening diameter is 100mm, test bin stock 3 adopts the glass bead (white and black) of particle diameter 3mm left and right, for clearly observing the motion conditions of bin stock in storehouse, with with the transparent plate 6 of transparent silo 2 bulkhead organic glass material of the same race, bunker being separated into two semicircle storehouses, in a semicircle storehouse away from high-speed camera 1, pack white glass ball into, pack skim particle diameter and the similar black glass ball of white glass ball into every 100mm, totally 10 layers, each discharge process is all taken continuously to the bin stock flow state photo being shown by black glass ball.
The digital image file of the test bin stock 3 that use high-speed camera 1 gathers.In digital picture,, before discharging, the interior bin stock of transparent silo 2 is not static, each layer of black glass ball is all surface level, from starting discharging, within the scope of the 2/3H of top, storehouse, black glass ball thin layer still keeps level, illustrates that the bin stock flowing velocity of sustained height equates, this part of bin stock is made overall flow.Near 2/3H, black thin layer starts recessed.Again down, concavity more very, and develops into funnel-form, and in the middle of illustrating, the flowing velocity of bin stock is large, and the flowing velocity of periphery bin stock is little, and funnel flows.Near 2/3H, be that overall flow becomes the mobile zone of transition of funnel-form.
Embodiment 2:
A kind of silo bin stock flow regime information automatic acquisition device, comprises transparent silo 2, silo support 4, high-speed photography machine support 5 and high-speed camera 1; Silo is divided into column part and funnel part, funnel part under, silo support is connected in funnel part one end of transparent silo 2, there is space the bottom of the opening of the funnel part of transparent silo 2 and silo support 4, one side of transparent silo 2 is fixed with high-speed photography machine support 5, and high-speed camera 1 is arranged on high-speed photography machine support 5, and the opening part of the funnel part of transparent silo 2 arranges switch valve, switch valve sensor is set on switch valve, and switch valve sensor is connected with the switch of high-speed camera 1.
The high H=500mm in storehouse, inner diameter D=500mm, wall thickness is 10mm, continuous for realizing discharging, funnel angle is 60 °, and pars infundibularis office opening diameter is 100mm, test bin stock 3 adopts the glass bead (white and black) of particle diameter 3mm left and right, pack skim particle diameter and the similar black glass ball of white glass ball into every 100mm, totally 5 layers, each discharge process is all taken continuously to the bin stock flow state photo being shown by black glass ball.
The digital image file of the test bin stock 3 that use high-speed camera 1 gathers.In digital picture,, before discharging, the interior bin stock of transparent silo 2 is not static, and each layer of black glass ball is all surface level, and from starting discharging, black thin layer starts recessed.Again down, concavity more very, and develops into funnel-form, and in the middle of illustrating, the flowing velocity of bin stock is large, and the flowing velocity of periphery bin stock is little, and funnel flows.Shallow storehouse is because its ratio of height to diameter is smaller, and bin stock is a kind of liquid form all the time.

Claims (3)

1. a silo bin stock flow regime information automatic acquisition device, is characterized in that: comprise transparent silo (2), silo support (4), high-speed photography machine support (5) and high-speed camera (1); Silo is divided into column part and funnel part, funnel part under, silo support is connected in funnel part one end of transparent silo (2), there is space the bottom of the opening of the funnel part of transparent silo (2) and silo support (4), one side of transparent silo (2) is fixed with high-speed photography machine support (5), high-speed camera (1) is arranged on high-speed photography machine support (5), the opening part of transparent silo (2) funnel part arranges switch valve, switch valve sensor is set on switch valve, and switch valve sensor is connected with the switch of high-speed camera (1).
2. silo bin stock flow regime information automatic acquisition device according to claim 1, it is characterized in that: in described transparent silo (2) column part, be provided with transparent plate (6) along the diameter of cylindrical cross-section, wherein, the length of transparent plate (6) is identical with the height of transparent silo (2) column part, transparent plate (6) width is identical with the cylindrical cross-section diameter of transparent silo (2) column part, and the plate face of transparent plate is vertical with the shooting direction of high-speed camera (1).
3. silo bin stock flow regime information automatic acquisition device according to claim 1 and 2, is characterized in that: described transparent silo (2) and transparent plate (6) are organic glass material.
CN201410127480.8A 2014-03-31 2014-03-31 Device for automatically acquiring silo storage flow condition information Pending CN103852400A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104914006A (en) * 2015-05-22 2015-09-16 东北大学 Experiment device and experiment method for detecting flow regularity of granular mixtures in silo
CN115285537A (en) * 2022-07-21 2022-11-04 长沙市奇俊机电科技有限公司 Bin experiment system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1118431A (en) * 1995-07-19 1996-03-13 冶金工业部北京钢铁设计研究总院 Method for metering storage in stock-bin and its apparatus
DE19532248C2 (en) * 1995-09-01 1998-10-15 Rheinische Kalksteinwerke Device for measuring the properties of bulk goods
CN203811505U (en) * 2014-03-31 2014-09-03 南京理工大学 Automatic collecting device of silo storage flow state information

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1118431A (en) * 1995-07-19 1996-03-13 冶金工业部北京钢铁设计研究总院 Method for metering storage in stock-bin and its apparatus
DE19532248C2 (en) * 1995-09-01 1998-10-15 Rheinische Kalksteinwerke Device for measuring the properties of bulk goods
CN203811505U (en) * 2014-03-31 2014-09-03 南京理工大学 Automatic collecting device of silo storage flow state information

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
屠居贤 等: "筒仓贮料的流动形式与仓壁压力研究", 《力学与实践》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104914006A (en) * 2015-05-22 2015-09-16 东北大学 Experiment device and experiment method for detecting flow regularity of granular mixtures in silo
CN104914006B (en) * 2015-05-22 2017-10-17 东北大学 A kind of experimental provision and experimental method for being used to measure bulk solid flowing law in the silo
CN115285537A (en) * 2022-07-21 2022-11-04 长沙市奇俊机电科技有限公司 Bin experiment system
CN115285537B (en) * 2022-07-21 2023-09-01 长沙市奇俊机电科技有限公司 Stock bin experiment system

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Application publication date: 20140611