CN201154848Y - Solid flow speed controlling equipment - Google Patents
Solid flow speed controlling equipment Download PDFInfo
- Publication number
- CN201154848Y CN201154848Y CNU200820032674XU CN200820032674U CN201154848Y CN 201154848 Y CN201154848 Y CN 201154848Y CN U200820032674X U CNU200820032674X U CN U200820032674XU CN 200820032674 U CN200820032674 U CN 200820032674U CN 201154848 Y CN201154848 Y CN 201154848Y
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- Prior art keywords
- circuit
- feeding
- comparison operation
- box body
- control
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- Expired - Fee Related
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Abstract
The utility model discloses a control device for solid velocity in the conveying field of particle material. The device comprises a box body; wherein, the upper part of the box body is provided with a feeding hole and the lower part of the box body is provided with a discharge hole; the feeding hole is provided with a feeding door connected with an adjusting mechanism for the feeding door; an arc feed chute is arranged between the feeding hole and the discharge hole in the box body; the end close to the feeding hole on the arc feed chute is arranged on a rotating pivot by a rotating shaft; the rotating pivot is arranged on the box body; the discharge end of the arc feed chute suspends under a force sensor; the force sensor detects the weight component of the discharge end of the feed chute and transfers signals to a control circuit, which drives the adjusting mechanism to regulate the opening degree of the feeding door; when in working, material is input from the feeding hole, tensile force detected by the force sensor is calculated by the control circuit to generate output signals which can regulate the opening degree of the feeding door so as to realize real-time and accurate control of particle velocity. The device has high accuracy of control, no injury to raw materials in the metering process so the device is applicable to industries, such as agriculture, the chemical industry and coal, etc.
Description
Technical field
The utility model relates to a kind of feedway of granule materials, particularly is used for the device of the dynamic flow control of particulate matter.
Background technology
At present, domestic particulate matter flow detector major part is only applicable to big flow detection (as industries such as coal and chemical industry), and its accuracy of detection is lower; Also have some low discharge dynamic metering devices, owing to used device such as belted electronic balance, volume is big, and the cost height is difficult to satisfy the demand of part industry spot.
The utility model content
The purpose of this utility model provides a kind of low cost, high-precision solid velocity control convenience, makes it can carry out the solid material flow velocity and controls in real time.
Implementation of the present utility model is as follows: a kind of solid velocity control convenience, comprise casing, and casing top is provided with inlet point, and lower box is provided with discharging opening, and described inlet point place is provided with feeding gate, and feeding gate is connected with the bin gate regulating mechanism; Be provided with arc in the casing between inlet point and discharging opening and drop down hopper, arc drops down on the hopper and is installed on the pivot point through rotating shaft near inlet point one end, and described pivot point is arranged on the casing; The other end that corresponding arc with discharging opening drops down hopper is suspended in the force gauge below; This device also includes control circuit, described control circuit is made up of set amount input circuit, detection limit input circuit, comparison operation circuit and output circuit, the set amount input circuit is used to set the materials flow flow velocity and this signal is passed to the comparison operation circuit, the detection limit input circuit passes to the comparison operation circuit with the power that force gauge detects, the comparison operation circuit obtains operation values with the two paths of signals of importing and passes to output circuit after comparison operation, and then sends the aperture of bin gate conditioning signal through bin gate regulating mechanism control feeding gate by output circuit.
In the utility model when work,, the solid granular material enters from inlet point, and drops to arc and drop down in the hopper, and material drops down on the hopper from arc and moves to discharging opening; By gravity, arc drops down hopper and rotates around pivot point, make force gauge experience downward pulling force, force gauge is converted to electric signal input comparison operation circuit with the force signal that detects, the comparison operation circuit is exported corresponding bin gate conditioning signal to regulate the aperture of feeding gate after calculation process, drop down the weight component and the rapid-result certain functional relation of incoming flow of hopper discharge port end,, can realize accuracy control the particle flow velocity so control constitutes an inverse feedback; The utility model utilizes closed loop control to realize the real-time control of flow, and it is simple in structure, is easy to realize that with low cost, control accuracy height, metering process can be widely used in industries such as agricultural, chemical industry and coal to the raw material zero damage.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further elaborated:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the control circuit functional block diagram.
Wherein: 1 inlet point, 2 pivot points, 3 arcs drop down hopper, 4 casings, 5 discharging openings, 6 force gauges, 7 bin gate regulating mechanisms, 8 feeding gates.
The specific embodiment
As Fig. 1 and 2, for a kind of solid velocity control convenience, comprise casing 4, casing 4 tops are provided with inlet point 1, and casing 4 bottoms are provided with discharging opening 5, and described inlet point 1 place is provided with feeding gate 8, and feeding gate 8 is connected with bin gate regulating mechanism 7; Be provided with arc in the casing 4 between inlet point 1 and discharging opening 5 and drop down hopper 3, arc drops down on the hopper 3 and is installed on the pivot point 2 through rotating shaft near inlet point 1 one ends, and described pivot point 2 is arranged on the casing 4; The other end that drops down hopper 3 with discharging opening 5 corresponding arcs is suspended in force gauge 6 belows; This device also includes control circuit, control circuit is made up of set amount input circuit, detection limit input circuit, comparison operation circuit and output circuit, the set amount input circuit is used to set the materials flow flow velocity and this signal is passed to the comparison operation circuit, the detection limit input circuit passes to the comparison operation circuit with force gauge 6 detected power, the comparison operation circuit obtains operation values with the two paths of signals of importing and passes to output circuit after comparison operation, and then sends the aperture of bin gate conditioning signal through bin gate regulating mechanism 7 control feeding gates 8 by output circuit.
During work, the solid granular material enters from inlet point 1, and drops to arc and drop down in the hopper 3, and material drops down on the hopper 3 to discharging opening 5 motions from arc; By gravity, arc drops down hopper 3 and rotates around pivot point 2, make force gauge 6 experience downward pulling force, the electric signal input comparison operation circuit that force gauge 6 is converted to the force signal that detects, the comparison operation circuit is exported corresponding bin gate conditioning signal to regulate the aperture of feeding gate 8 after calculation process, drop down the weight component and the rapid-result certain functional relation of incoming flow of hopper discharge port end,, can realize accuracy control the granule materials flow velocity so control constitutes an inverse feedback.Set amount is used to set materials flow speed, when detected materials flow speed and set amount generation deviation, can constantly change the discharge door aperture by closed loop feedback, until making materials flow speed reach setting value.
Claims (1)
1, a kind of solid velocity control convenience is characterized in that: comprise casing, casing top is provided with inlet point, and lower box is provided with discharging opening, and described inlet point place is provided with feeding gate, and feeding gate is connected with the bin gate regulating mechanism; Be provided with arc in the casing between inlet point and discharging opening and drop down hopper, arc drops down on the hopper and is installed on the pivot point through rotating shaft near inlet point one end, and described pivot point is arranged on the casing; The other end that corresponding arc with discharging opening drops down hopper is suspended in the force gauge below; This device also includes control circuit, described control circuit is made up of set amount input circuit, detection limit input circuit, comparison operation circuit and output circuit, the set amount input circuit is used to set the materials flow flow velocity and this signal is passed to the comparison operation circuit, the detection limit input circuit passes to the comparison operation circuit with the power that force gauge detects, the comparison operation circuit obtains operation values with the two paths of signals of importing and passes to output circuit after comparison operation, send the aperture of bin gate conditioning signal through bin gate regulating mechanism control feeding gate by output circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820032674XU CN201154848Y (en) | 2008-02-26 | 2008-02-26 | Solid flow speed controlling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820032674XU CN201154848Y (en) | 2008-02-26 | 2008-02-26 | Solid flow speed controlling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201154848Y true CN201154848Y (en) | 2008-11-26 |
Family
ID=40102634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820032674XU Expired - Fee Related CN201154848Y (en) | 2008-02-26 | 2008-02-26 | Solid flow speed controlling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201154848Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956994A (en) * | 2010-09-25 | 2011-01-26 | 孙家鼎 | Quantitative-type powder feeder |
| CN104944021A (en) * | 2015-06-11 | 2015-09-30 | 山东钢铁股份有限公司 | Storage bin |
| CN105966848A (en) * | 2016-07-06 | 2016-09-28 | 福建龙净脱硫脱硝工程有限公司 | Star type feeding valve |
| CN108554307A (en) * | 2018-06-01 | 2018-09-21 | 郑州格德格瑞机械工程有限公司 | A kind of gravity type wheat measurer |
-
2008
- 2008-02-26 CN CNU200820032674XU patent/CN201154848Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956994A (en) * | 2010-09-25 | 2011-01-26 | 孙家鼎 | Quantitative-type powder feeder |
| CN104944021A (en) * | 2015-06-11 | 2015-09-30 | 山东钢铁股份有限公司 | Storage bin |
| CN105966848A (en) * | 2016-07-06 | 2016-09-28 | 福建龙净脱硫脱硝工程有限公司 | Star type feeding valve |
| CN108554307A (en) * | 2018-06-01 | 2018-09-21 | 郑州格德格瑞机械工程有限公司 | A kind of gravity type wheat measurer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081126 Termination date: 20110226 |