CN108928613A - Irregular shape material volume estimation device and method in fixed channel conveying - Google Patents
Irregular shape material volume estimation device and method in fixed channel conveying Download PDFInfo
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- CN108928613A CN108928613A CN201811187080.0A CN201811187080A CN108928613A CN 108928613 A CN108928613 A CN 108928613A CN 201811187080 A CN201811187080 A CN 201811187080A CN 108928613 A CN108928613 A CN 108928613A
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- irregular shape
- time interval
- metallic rod
- shape material
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0208—Control or detection relating to the transported articles
Abstract
A kind of the invention discloses irregular shape materials in fixed channel transmission process volume estimation device and method, described device includes metallic rod, support frame, conveyer belt, transfer passage, rotational potentiometer, controller and computer；The conveyer belt of traveling is arranged in transfer passage, and irregular shape material is stacked on a moving belt；Support frame is fixed among transmission channel, is located above conveyer belt, and several equidistant metallic rods of vertical hanging on support frame, rotational potentiometer is fixed on the junction of each metallic rod and support frame；Each rotational potentiometer is electrically connected with controller, and controller is electrically connected by 485 buses with computer.By the device and method, the volume of material passed through in Fixed Time Interval can be evaluated whether, the speed that the transmission speed or feeding inlet for controlling transmission belt are launched achievees the effect that material uniformly conveys.
Description
Technical field
A kind of the present invention relates to irregular shape materials in fixed channel conveying volume estimation device and method, belongs to survey
Amount and control technology field.
Background technique
When the irregular shape material such as house refuse, coal, sandstone, the earthwork is conveyed with transmission belt, it is often required to this
The real-time estimation when volume of a little irregular shape materials carries out.Volume is too big, is reduced by the speed of feeding inlet dispensing；Conversely, body
Product is too small, then the speed for increasing feeding inlet dispensing realizes irregular shape material transportation process to control the conveying capacity of material
Intelligent control.
Summary of the invention
Goal of the invention: in order to realize that irregular shape material volume of material in fixed channel transmission process uniformly conveys,
The invention proposes a kind of volume estimation installation method of irregular shape material in fixed channel transmission process.Pass through the dress
It sets and method, can be evaluated whether the volume of material passed through in Fixed Time Interval, the transmission speed or feeding inlet for controlling transmission belt are thrown
The speed put achievees the effect that material uniformly conveys.
Technical scheme is as follows:
A kind of irregular shape material volume estimation device in fixed channel transmission process, described device includes metal
Bar, support frame, conveyer belt, transfer passage, rotational potentiometer, controller and computer；The conveyer belt setting of traveling is logical in conveying
In road, irregular shape material is stacked on a moving belt；Support frame as described above is fixed among transmission channel, is located on conveyer belt
Square, several equidistant metallic rods of vertical hanging on support frame as described above, rotational potentiometer is fixed on each metallic rod and support
The junction of frame；Each rotational potentiometer is electrically connected with controller, and the controller passes through 485 buses and the electromechanical phase of calculating
Even.
A kind of irregular shape material volume estimation method in fixed channel transmission process, utilizes above-mentioned device, step
Suddenly include:
(1) irregular shape material passes through below metallic rod, obtains metallic rod deviation angle using rotational potentiometer；
(2) irregular shape volume of material mathematical model is established；
(3) irregular shape volume of material is estimated；
(4) dynamic display system state parameter and curve on computers.
The foundation of mathematical model includes the following steps: in above-mentioned steps (2)
(3.1) each physical quantity of preface model is established, comprising: time of measuring interval τ, metallic rod hitch point and conveyer belt
Height difference H, metal pole length l, conveyor belt speed v, the angle α of time interval start time metallic rod and vertical directioni, the time
It is spaced the angle β of finish time metallic rod and vertical directioni, the height h for the material that time interval start time detects1, the time
The height h for the material that interval finish time detects2, the horizontal distance s of time interval start time metallic rod bottom and top1,
The horizontal distance s of time interval finish time metallic rod bottom and top2, real time interval delta s, real time interval delta s
The area s for the cross section that interior material passes throughLadder, divider then volume of material V between two adjacent metal barsi, irregular shape material
Total volume V；
(3.2) the irregular real-time height h of shape material is calculated1, h2；
(3.3) real time interval delta s is calculated；
(3.4) the irregular shape material total volume V of Fixed Time Interval τ is estimated.
The concrete operations of above-mentioned steps (3.2) are as follows:
(4.1) α is measuredi, βi；
(4.2) time interval start time height of materials h is calculated1=H-lcos α1, calculate time interval finish time object
Expect height h2=H-lcos β1。
The concrete operations of above-mentioned steps (3.3) are as follows:
(5.1) s is measured1, s2；
(5.2) actual interval time Δ s=τ v+ (s is calculated1-s2)=τ v+l (sin α1-sinβ1)。
The concrete operations of above-mentioned steps (3.4) are as follows:
(6.1) s is calculatedLadder,
(6.2) V is estimatedi,
(6.3) material total volume V is estimated,
Advantageous effects of the invention:
A kind of irregular shape material of the present invention piles up volume estimation method in fixed channel transmission process, using equidistantly simultaneously
The method for arranging metallic rod angle measurement constructs volume appraising model, estimates that Fixed Time Interval is logical in fixed channel transmission process
The volume for the irregular shape material heap crossed controls conveying speed or feeding inlet is thrown according to the volume data of each time interval
The speed put achievees the effect that material uniformly conveys.
Detailed description of the invention
Fig. 1 is irregular shape volume of material evaluation method frame diagram；
Fig. 2 is volume estimation mathematical model flow chart；
The position Fig. 3 metallic rod measuring device schematic diagram；
In fig. 3, serial number mark is as follows: 1- metallic rod, 2- conveyer belt, 3- transfer passage, 4- rotational potentiometer, 5- control
Device processed, 6- computer, the irregular shape material of 7-, 8- support frame.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
As shown in figure 3, a kind of irregular shape material volume estimation device, described device in fixed channel transmission process
Including metallic rod 1, support frame 8, conveyer belt 2, transfer passage 3, rotational potentiometer 4, controller 5 and computer 6；The transmission of traveling
Band 2 is arranged in transfer passage 3, and irregular shape material 7 is stacked on conveyor belt 2；Support frame as described above 8 is fixed on transmission channel
Among 3, it is located at 2 top of conveyer belt, several equidistant metallic rods 1 of vertical hanging on support frame as described above 8, rotational potentiometer 4 is consolidated
It is scheduled on the junction of each metallic rod 1 and support frame 8；Each rotational potentiometer 4 is electrically connected with controller 5, the control
Device 5 is electrically connected by 485 buses with computer 6.
As shown in Figure 1 and Figure 2, a kind of irregular shape material volume estimation method in fixed channel transmission process, utilizes
Above-mentioned device, step include:
(1) irregular shape material 7 passes through below metallic rod 1, obtains 1 deviation angle of metallic rod using rotational potentiometer 4
Degree；
The principle of rotational potentiometer: circular potentiometer both ends add fixed voltage Vi, the electric shock of a sliding with
The rotation of central axis slide to the other end from one end of potentiometer, so that the rotation angle, φ of output voltage Vo and central axis is kept one
(wherein, r is the resistance value of unit angle variation, and R is for fixed relationship, generally also linear relationship, i.e. Vo=r Φ Vi/R=K Φ
The resistance value of entire potentiometer, K is coefficient).
(2) irregular shape volume of material mathematical model is established；
(2.1) each physical quantity of preface model is established, comprising: time of measuring interval τ, metallic rod hitch point and conveyer belt
Height difference H, metal pole length l, conveyor belt speed v, the angle α of time interval start time metallic rod and vertical directioni, the time
It is spaced the angle β of finish time metallic rod and vertical directioni, the height h for the material that time interval start time detects1, the time
The height h for the material that interval finish time detects2, the horizontal distance s of time interval start time metallic rod bottom and top1,
The horizontal distance s of time interval finish time metallic rod bottom and top2, real time interval delta s, real time interval delta s
The area s for the cross section that interior material passes throughLadder, divider then volume of material V between two adjacent metal barsi, irregular shape material
Total volume V；
(2.2) the irregular instant height h of shape material heap is calculated1、h2, time interval start time height of materials h1=H-
l·cosα1, time interval finish time height of materials h2=H-lcos β1。
(2.3) s is measured1, s2。
(2.4) because time interval starts, to terminate deviation angle from time interval different, measurement real time interval with consolidate
Interval τ of fixing time is inconsistent.Therefore real time interval delta s=τ v+ (s is calculated1-s2)=τ v+l (sin α1-sinβ1)。
(2.5) it using the direction for fixing channel conveyor advance as horizontal axis, using the direction of the band perpendicular to transmission as the longitudinal axis, cuts
The cross section that material heap passes through in Fixed Time Interval τ is taken, the edge of material heap can be arbitrary shape, in minimum time τ,
It can about be waited the area trapezoidal for dash area by we, and error is small, and convenient for estimation, trapezoidal area is
(2.6) fixed transfer passage is divided into n region by n metallic rod, and the volume of each region measurement is Vi(i=1,
2,3 .. ..., n),
(2.7) by n V of estimationiResults added obtains the irregular shape material heap total volume V of Fixed Time Interval τ,
(3) irregular shape volume of material is estimated；
(4) dynamic display system state parameter and curve on computers.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of irregular shape material volume estimation device in fixed channel transmission process, it is characterised in that: described device
Including metallic rod, support frame, conveyer belt, transfer passage, rotational potentiometer, controller and computer；The conveyer belt of traveling is arranged
In transfer passage, irregular shape material is stacked on a moving belt；Support frame as described above is fixed among transmission channel, is located at and is passed
Band top, several equidistant metallic rods of vertical hanging on support frame as described above are sent, rotational potentiometer is fixed on each metallic rod
With the junction of support frame；Each rotational potentiometer is electrically connected with controller, and the controller passes through 485 buses and computer
It is electrically connected.
2. a kind of irregular shape material volume estimation method in fixed channel transmission process, it is characterised in that wanted using right
Device described in asking 1, step include:
(1) irregular shape material passes through below metallic rod, obtains metallic rod deviation angle using rotational potentiometer；
(2) irregular shape volume of material mathematical model is established；
(3) irregular shape volume of material is estimated；
(4) dynamic display system state parameter and curve on computers.
3. irregular shape material according to claim 2 volume estimation method in fixed channel transmission process, special
Sign is that the foundation of mathematical model in the step (2) includes the following steps:
(3.1) each physical quantity of preface model is established, comprising: time of measuring interval τ, metallic rod hitch point and belt heights
Poor H, metal pole length l, conveyor belt speed ν, the angle α of time interval start time metallic rod and vertical directioni, time interval
The angle β of finish time metallic rod and vertical directioni, the height h for the material that time interval start time detects1, time interval
The height h for the material that finish time detects2, the horizontal distance s of time interval start time metallic rod bottom and top1, the time
It is spaced the horizontal distance s of finish time metallic rod bottom and top2, object in real time interval delta s, real time interval delta s
Expect the area s of the cross section passed throughLadder, divider then volume of material V between two adjacent metal barsi, irregular shape material it is total
Volume V；
(3.2) the irregular real-time height h of shape material is calculated1, h2；
(3.3) real time interval delta s is calculated；
(3.4) the irregular shape material total volume V of Fixed Time Interval τ is estimated.
4. volume estimation method of the irregular shape material according to claim 3 in fixed channel transmission process,
It is characterized in that: the concrete operations of the step (3.2) are as follows:
(4.1) α is measuredi, βi；
(4.2) time interval start time height of materials h is calculated1=H-lcos α1, it is high to calculate time interval finish time material
Spend h2=H-lcos β1。
5. volume estimation method of the irregular shape material according to claim 3 in fixed channel transmission process,
It is characterized in that: the concrete operations of the step (3.3) are as follows:
(5.1) s is measured1, s2；
(5.2) actual interval time Δ s=τ v+ (s is calculated1-s2)=τ v+l (sin α1-sinβ1)。
6. volume estimation method of the irregular shape material according to claim 3 during fixed channel transfer,
It is characterized in that: the concrete operations of the step (3.4) are as follows:
(6.1) s is calculatedLadder,
(6.2) V is estimatedi,
(6.3) material total volume V is estimated,
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811187080.0A CN108928613B (en) | 2018-10-12 | 2018-10-12 | Method for estimating volume of irregular-shape material in fixed channel conveying process |
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| CN201811187080.0A CN108928613B (en) | 2018-10-12 | 2018-10-12 | Method for estimating volume of irregular-shape material in fixed channel conveying process |
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| CN108928613B CN108928613B (en) | 2020-08-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109823794A (en) * | 2019-03-11 | 2019-05-31 | 河北工程大学 | A kind of metering device and method of belt machine-made egg-shaped or honey-comb coal briquets flow |
| CN110155657A (en) * | 2019-05-21 | 2019-08-23 | 河海大学常州校区 | Rubbish travelling speed control device and method in a kind of waste incineration and generating electricity |
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| CN106197599A (en) * | 2016-06-23 | 2016-12-07 | 中国神华能源股份有限公司 | For measuring the system and method for coal conveying belt amount |
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| CN108928613B (en) | 2020-08-18 |
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