CN106865276A - A kind of tippler funnel feed control system and method - Google Patents

A kind of tippler funnel feed control system and method Download PDF

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Publication number
CN106865276A
CN106865276A CN201710187041.XA CN201710187041A CN106865276A CN 106865276 A CN106865276 A CN 106865276A CN 201710187041 A CN201710187041 A CN 201710187041A CN 106865276 A CN106865276 A CN 106865276A
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China
Prior art keywords
funnel
coefficient
belt conveyer
feeding coal
conveyer scale
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CN201710187041.XA
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CN106865276B (en
Inventor
代晓雪
许宁
师伟
刘鑫
宋桂江
薛菲菲
周祥
张帅
石永杰
刘中民
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Guoneng Huanghua Port Co ltd
China Shenhua Energy Co Ltd
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China Shenhua Energy Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G67/00Loading or unloading vehicles
    • B65G67/02Loading or unloading land vehicles
    • B65G67/24Unloading land vehicles
    • B65G67/32Unloading land vehicles using fixed tipping installations
    • B65G67/48Vehicle tipplers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/02Devices for feeding articles or materials to conveyors
    • B65G47/16Devices for feeding articles or materials to conveyors for feeding materials in bulk
    • B65G47/18Arrangements or applications of hoppers or chutes
    • B65G47/19Arrangements or applications of hoppers or chutes having means for controlling material flow, e.g. to prevent overloading

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)

Abstract

The present invention relates to automatic control technology field, a kind of tippler funnel feed control system and method are disclosed, solve the problems, such as that operation driver's workload is excessive.System includes high charge level signaling switch, low level signals switch and controller, and controller includes:Feed control unit opens multiple funnel activating feeders successively for being spaced the scheduled time, and controls multiple funnel activating feeders to be fed according to default feeding coal percentage;Discharge coefficient determining unit determines the discharge coefficient of each funnel activating feeder for the opening sequence according to multiple funnel activating feeders, belt conveyer scale registration and default feeding coal percentage;Feeding coal percentage determining unit is used to, according to belt conveyer scale registration, high charge level signal, low level signals, default adjustment factor and discharge coefficient, determine the actual feeding coal percentage of each funnel activating feeder.The embodiment of the present invention is applied to tippler feeding process.

Description

A kind of tippler funnel feed control system and method
Technical field
The present invention relates to automatic control technology field, in particular it relates to a kind of tippler funnel feed control system and side Method.
Background technology
PORT OF HUANGHUA three, the technological process of Phase IV project tippler dumping C80 vehicles are that tippler saves overturning machine platform by four On loaded vehicle dumping to nine equally distributed funnels in, coal is then delivered to by belt by activating feeder.Operation driver is led to The feeding coal percent coefficient in operation interface is overregulated, can be by the feeding control of each batcher in 0-1350T/h.
In operation process, operation driver must by monitoring camera or inquiry pluck positive hook personnel close supervision each The material position situation of funnel, and feed coefficient to each funnel makes suitably modified, with ensure to be left in each funnel it is appropriate to Doses, so causes to operate the workload of driver to ramp.If operation driver slightly neglects empty bucket just occurring or bucket is emitted Situation.Sky bucket occurs big material head when overturning, and gently then spreads coal, heavy then can press and stop belt.The coal of funnel is excessive when emitting bucket, can be because For tippler upset and coal are interfered and damage equipment.
The content of the invention
The embodiment of the present invention provides a kind of tippler funnel feed control system and method, solves operation driver's workload Excessive problem, while avoiding emitting bucket using high charge level signaling switch and low level signals switch avoids the appearance of big material head, carries Car dumper operation stability has been risen, operating efficiency has been improve.
To achieve these goals, the embodiment of the present invention provides a kind of tippler funnel feed control system, the system Including high charge level signaling switch, low level signals switch and controller,
Wherein, the high charge level signaling switch is vertically arranged in the upper grid of each funnel;
The low level signals switch level is arranged under the bottom rood beam of each funnel at predeterminable range;
The controller includes:
Feed control unit, multiple funnel activating feeders are opened for being spaced the scheduled time successively, and according to preset to Doses percentage controls the multiple funnel activating feeder feed;
Discharge coefficient determining unit, for the opening sequence according to the multiple funnel activating feeder, belt conveyer scale registration And the default feeding coal percentage, determining the discharge coefficient of each funnel activating feeder, the discharge coefficient is funnel Feeding coal of the activating feeder when feeding coal percentage is 1%;
Feeding coal percentage determining unit, for according to belt conveyer scale registration, high charge level signal, low level signals, default tune Section coefficient and discharge coefficient, determine the actual feeding coal percentage of each funnel activating feeder.
Further, the system also includes cover sheet, and the cover sheet is arranged on the high charge level signaling switch Top.
Further, what coal went up when the length of the high charge level signaling switch is with a circulation is highly identical.
Further, the discharge coefficient determining unit, is additionally operable to basis Calculate the discharge coefficient of each funnel activating feeder, wherein Li+1For the funnel activation that i+1 is opened The discharge coefficient of batcher, PiIt is i-th belt conveyer scale registration of the funnel activating feeder of unlatching, Pi+1It is i+1 unlatching The belt conveyer scale registration of funnel activating feeder, H is the default feeding coal percentage, P0It is 0.
Further, the default adjustment factor includes total feeding coal, funnel discharging coefficient, always discharging coefficient, funnel are turned over Enter amount adjustment factor, low material position coefficient, the integrally-regulated coefficient of funnel and belt conveyer scale protection factor, the feeding coal percentage determines Unit, is additionally operable to according to Fx=[SET* (INx*Tx)*Wx*P*B]/(Lx* G) calculate the actual feed of each funnel activating feeder Amount percentage, wherein FxIt is the x-th actual feeding coal percentage of funnel activating feeder, SET is total feeding coal, INxIt is xth The discharging coefficient of individual funnel, TxIt is the x-th funnel amount of ploughing under adjustment factor of funnel, WxIt is x-th low material position coefficient of funnel, P It is the integrally-regulated coefficient of funnel, B is belt conveyer scale protection factor, LxIt is x-th discharge coefficient of funnel activating feeder, G is total Discharging coefficient.
Further, the feeding coal percentage determining unit also includes:First adjustment module, xth is received for working as During the trigger signal of the high charge level signaling switch of individual funnel, the x-th funnel amount of ploughing under adjustment factor of funnel is increased And subtract the funnel amount of the ploughing under adjustment factor of remaining funnelWherein M is work cycle number, and n is funnel Number.
Further, the low material position coefficient WxInitial value is 1, and the feeding coal percentage determining unit also includes:The Two adjustment modules, for when the trigger signal of low level signals switch of x-th funnel is received, by WxIt is entered as 0.
Further, the feeding coal percentage determining unit also includes:3rd adjustment module, belt is monitored for working as When scale registration is more than preset value with the difference of total feeding coal SET, the integrally-regulated FACTOR P of funnel is adjusted using PID orders.
Further, the belt conveyer scale protection factor B initial values are 1, and the feeding coal percentage determining unit also includes:
4th adjustment module, for when monitoring that belt conveyer scale registration is more than default out of range value, B being entered as into 0.5;
5th adjustment module, during for after B is entered as into 0.5, monitoring that belt conveyer scale registration is less than preset lower limit value, will B is entered as 0.9.
The embodiment of the present invention also provides a kind of tippler funnel feeding control method, it is characterised in that methods described application In tippler funnel feed control system described above, methods described includes:
The interval scheduled time opens multiple funnel activating feeders successively, and described according to the control of default feeding coal percentage Multiple funnel activating feeder feeds;
Opening sequence, belt conveyer scale registration and the default feeding coal percentage according to the multiple funnel activating feeder Than, determining the discharge coefficient of each funnel activating feeder, the discharge coefficient is funnel activating feeder in feeding coal percentage Than for 1% when feeding coal;
According to belt conveyer scale registration, high charge level signal, low level signals, default adjustment factor and discharge coefficient, each is determined The actual feeding coal percentage of funnel activating feeder.
Further, the opening sequence according to the multiple funnel activating feeder, belt conveyer scale registration and described Default feeding coal percentage, determining the discharge coefficient of each funnel activating feeder includes:
According toThe discharge coefficient of each funnel activating feeder is calculated, Wherein Li+1It is the discharge coefficient of the funnel activating feeder that i+1 is opened, PiIt is i-th funnel activating feeder of unlatching Belt conveyer scale registration, Pi+1It is the belt conveyer scale registration of the funnel activating feeder that i+1 is opened, H is the default feeding coal hundred Divide ratio, P0It is 0.
Further, the default adjustment factor includes total feeding coal, funnel discharging coefficient, always discharging coefficient, funnel are turned over Enter amount adjustment factor, low material position coefficient, the integrally-regulated coefficient of funnel and belt conveyer scale protection factor, it is described according to belt conveyer scale registration, High charge level signal, low level signals, default adjustment factor and discharge coefficient, determine the actual feed of each funnel activating feeder Amount percentage includes:
According to Fx=[SET* (INx*Tx)*Wx*P*B]/(Lx* G) calculate the actual feeding coal of each funnel activating feeder Percentage, wherein FxIt is the x-th actual feeding coal percentage of funnel activating feeder, SET is total feeding coal, INxIt is x-th The discharging coefficient of funnel, TxIt is the x-th funnel amount of ploughing under adjustment factor of funnel, WxIt is x-th low material position coefficient of funnel, P is The integrally-regulated coefficient of funnel, B is belt conveyer scale protection factor, LxIt is x-th discharge coefficient of funnel activating feeder, G is always to go out Material coefficient.
Further, methods described also includes:
When the trigger signal of x-th high charge level signaling switch of funnel is received, by x-th funnel amount of ploughing under of funnel Adjustment factor increasesAnd subtract the funnel amount of the ploughing under adjustment factor of remaining funnelWherein M is to have made Industry period, n is funnel number.
Further, the low material position coefficient WxInitial value is 1, and methods described also includes:
When the trigger signal of low level signals switch of x-th funnel is received, by WxIt is entered as 0.
Further, methods described also includes:
When monitoring that belt conveyer scale registration is more than preset value with the difference of total feeding coal SET, adjusted using PID orders The integrally-regulated FACTOR P of funnel.
Further, the belt conveyer scale protection factor B initial values are 1, and methods described also includes:
When monitoring that belt conveyer scale registration is more than default out of range value, B is entered as 0.5;
After B is entered as into 0.5, when monitoring that belt conveyer scale registration is less than preset lower limit value, B is entered as 0.9.
Further, methods described also includes:
When monitoring that the belt conveyer scale registration is not changed at the appointed time, display belt conveyer scale registration fault alarm is carried Show.
By above-mentioned technical proposal, using high and low level signals monitoring switch tippler funnel activating feeder carry out to Material, it is to avoid emit the appearance of bucket and big material head, while according to belt conveyer scale registration, high charge level signal, low level signals, default regulation Coefficient and discharge coefficient, determine the actual feeding coal percentage of each funnel activating feeder, to single funnel activating feeder Regulation it is more accurate, improve operating efficiency.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute the part of specification, with following tool Body implementation method is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of schematic diagram of tippler funnel feed control system provided in an embodiment of the present invention;
Fig. 2 is the schematic diagram of another tippler funnel feed control system provided in an embodiment of the present invention;
Fig. 3 is the schematic diagram of another tippler funnel feed control system provided in an embodiment of the present invention;
Fig. 4 is the schematic diagram of another tippler funnel feed control system provided in an embodiment of the present invention;
Fig. 5 is the schematic diagram of another tippler funnel feed control system provided in an embodiment of the present invention;
Fig. 6 is the flow chart of another tippler funnel feeding control method provided in an embodiment of the present invention;
Fig. 7 is a kind of actual job schematic diagram of tippler funnel feed control system provided in an embodiment of the present invention.
Description of reference numerals
1 funnel of operation loaded vehicle 29
3 No. 9 funnel activating feeders, 4 No. 1 funnels
5 No. 1 belt conveyer scales of funnel activating feeder 6
The tippler ground of 7 belt 8
The low level signals switch of 9 high charge level signaling switch 10
Specific embodiment
Specific embodiment of the invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The embodiment of the present invention provides a kind of tippler funnel feed control system, as shown in figure 1, the system includes material high Position signaling switch 11, low level signals switch 12 and controller 13,
Wherein, the high charge level signaling switch 11 is vertically arranged in the upper grid of each funnel;
The low level signals switch 12 is horizontally set under the bottom rood beam of each funnel at predeterminable range;
The controller 13 includes:
Feed control unit 131, multiple funnel activating feeders are opened for being spaced the scheduled time successively, and according to default Feeding coal percentage controls the multiple funnel activating feeder feed;
Discharge coefficient determining unit 132, shows for the opening sequence according to the multiple funnel activating feeder, belt conveyer scale Several and described default feeding coal percentage, determines the discharge coefficient of each funnel activating feeder, and the discharge coefficient is leakage Feeding coal of the bucket activating feeder when feeding coal percentage is 1%;
Feeding coal percentage determining unit 133, for according to belt conveyer scale registration, high charge level signal, low level signals, default Adjustment factor and discharge coefficient, determine the actual feeding coal percentage of each funnel activating feeder.
The embodiment of the present invention is respectively provided with high charge level signaling switch and low level signals by the top and bottom of funnel Switch, feed, and belt conveyer scale registration, material high by getting are controlled to each funnel activating feeder with reference to controller Position signal and low level signals, the actual feed of each funnel activating feeder is determined using default adjustment factor and discharge coefficient Amount percentage, solves the problems, such as that operation driver's workload is excessive, while avoiding emitting bucket and low material using high charge level signaling switch Position signaling switch avoids the appearance of big material head, improves car dumper operation stability, improves operating efficiency.
Wherein, high charge level signaling switch and low level signals switch are radio-frequency guide-admission object-position switch.The high charge level letter Number switch length with one circulation when coal rise it is highly identical, for example can be 1000mm.Wherein, one circulation is Turn over a train.The high charge level signaling switch is fixed on grid using pipe clamp, and in high charge level signaling switch top peace Mobilizable cover sheet is filled, the cover sheet can be the cover plate of ridged cover plate or other shapes, as long as can avoid The coal stream ploughed under during overturning in funnel by switching damage can, can also facilitate and split put capable maintenance into.
In addition, the low level signals switch is provided with predeterminable range under the bottom rood beam of each funnel, ten Under the protection of word beam, the direct impact of coal stream when can avoid overturning.Wherein, the predeterminable range is most 10cm, can be with Less than 10cm, as long as ensureing there is part to deposit coal in funnel, in addition, the low level signals switch can be dipped down with level Tiltedly at least 30 °, it is easy in the low level signals switch insertion coal, it is described low after coal is flowed out by funnel activating feeder Level signals switch exposes from coal, then trigger the low level signals switch.
In addition, after the high charge level signaling switch and low level signals switch is installed, due to the difference of coal, coal Humidity etc. characteristic is not quite similar, and the coal of different-thickness can be stained with the detection bar of stuff level switch, in order to avoid no signal shadow Overturning efficiency is rung, also wants split line sensitivity of putting into adjust.
Wherein, the controller is PLC (Programmable Logic Controller, programmable logic controller (PLC)).
Further, the discharge coefficient determining unit 132, is additionally operable to basis Calculate the discharge coefficient of each funnel activating feeder, wherein Li+1For the funnel activation that i+1 is opened The discharge coefficient of batcher, PiIt is i-th belt conveyer scale registration of the funnel activating feeder of unlatching, Pi+1It is i+1 unlatching The belt conveyer scale registration of funnel activating feeder, H is the default feeding coal percentage, P0It is 0.
Further, the default adjustment factor includes total feeding coal, funnel discharging coefficient, always discharging coefficient, funnel are turned over Enter amount adjustment factor, low material position coefficient, the integrally-regulated coefficient of funnel and belt conveyer scale protection factor, the feeding coal percentage determines Unit 133, is additionally operable to according to Fx=[SET* (INx*Tx)*Wx*P*B]/(Lx* G) calculate the reality of each funnel activating feeder Feeding coal percentage, wherein FxIt is the x-th actual feeding coal percentage of funnel activating feeder, SET is total feeding coal, INxFor X-th discharging coefficient of funnel, TxIt is the x-th funnel amount of ploughing under adjustment factor of funnel, WxIt is x-th low material position system of funnel Number, P is the integrally-regulated coefficient of funnel, and B is belt conveyer scale protection factor, LxIt is x-th discharge coefficient of funnel activating feeder, G It is total discharging coefficient.
Further, as shown in Fig. 2 the feeding coal percentage determining unit 133 also includes:
First adjustment module 21, for when the trigger signal of x-th high charge level signaling switch of funnel is received, by The x funnel amount of the ploughing under adjustment factor of funnel increasesAnd subtract the funnel amount of the ploughing under adjustment factor of remaining funnelWherein M is work cycle number, and n is funnel number.
Further, as shown in figure 3, the low material position coefficient WxInitial value is 1, the feeding coal percentage determining unit 133 also include:
Second adjustment module 31, for when the trigger signal of low level signals switch of x-th funnel is received, by Wx It is entered as 0.
Further, as shown in figure 4, the feeding coal percentage determining unit 133 also includes:
3rd adjustment module 41, monitors the difference of belt conveyer scale registration and total feeding coal SET more than default for working as During value, the integrally-regulated FACTOR P of funnel is adjusted using PID orders.
Further, as shown in figure 5, the belt conveyer scale protection factor B initial values are 1, the feeding coal percentage determines Unit also includes:
4th adjustment module 51, for when monitoring that belt conveyer scale registration is more than default out of range value, B being entered as into 0.5;
5th adjustment module 52, during for after B is entered as into 0.5, monitoring that belt conveyer scale registration is less than preset lower limit value, B is entered as 0.9.
By tippler funnel feed control system provided in an embodiment of the present invention, set respectively on the top and bottom of funnel High charge level signaling switch and low level signals switch are put, feed are controlled to each funnel activating feeder with reference to controller, And belt conveyer scale registration, high charge level signal and low level signals by getting, it is true using default adjustment factor and discharge coefficient The actual feeding coal percentage of fixed each funnel activating feeder, solves the problems, such as that operation driver's workload is excessive, while sharp Avoid emitting bucket with high charge level signaling switch and low level signals switch avoids the appearance of big material head, improve car dumper operation stabilization Property, improve operating efficiency.
Correspondingly, the embodiment of the present invention also provides a kind of tippler funnel feeding control method, and methods described is applied to In stating the tippler funnel feed control system described in embodiment, as shown in fig. 6, methods described includes:
601st, the interval scheduled time opens multiple funnel activating feeders successively, and is controlled according to default feeding coal percentage The multiple funnel activating feeder feed.
Wherein, the setting of the scheduled time is relevant with the order for opening funnel activating feeder, either from apart from skin The nearest funnel activating feeder of belt scale starts, or is fed since the funnel activating feeder farthest apart from belt conveyer scale, institute As long as the setting for stating the scheduled time ensures the coal that previous funnel activating feeder is provided, opened in latter funnel activating feeder Belt conveyer scale is reached before opening.Wherein, the default feeding coal percentage can be set to 20%, and this value can be by operating driver voluntarily to set Put.
602nd, according to the multiple funnel activating feeder opening sequence, belt conveyer scale registration and the default feeding coal Percentage, determines the discharge coefficient of each funnel activating feeder, and the discharge coefficient is funnel activating feeder in feeding coal Feeding coal when percentage is 1%.
According toThe discharge coefficient of each funnel activating feeder is calculated, Wherein Li+1It is the discharge coefficient of the funnel activating feeder that i+1 is opened, PiIt is i-th funnel activating feeder of unlatching Belt conveyer scale registration, Pi+1It is the belt conveyer scale registration of the funnel activating feeder that i+1 is opened, H is the default feeding coal hundred Divide ratio, P0It is 0.
For example, as shown in fig. 7, when first unlatching funnel activating feeder be No. 9 funnel activating feeders when, No. 9 When the coal that funnel activating feeder is given reaches belt conveyer scale, the belt conveyer scale registration for obtaining is P1, thenObtain just It is first No. 9 discharge coefficient of funnel activating feeder of unlatching, when second funnel activating feeder of unlatching is No. 8 leakages During bucket activating feeder, can be obtained with the distance of belt conveyer scale according to belt conveyer scale speed and No. 8 funnel activating feeders, No. 8 leakages The coal that is given of bucket activating feeder reaches the time of belt conveyer scale, then according to the time belt conveyer scale can obtain No. 8 funnels activate to The total amount of the coal that material machine and No. 9 funnel activating feeders are given, works as P2-P1Obtain afterwards be No. 8 funnel activating feeders to Doses, thenWhat is obtained is exactly second No. 8 discharge coefficient of funnel activating feeder of unlatching, and follow-up funnel is lived The rest may be inferred for the discharge coefficient of change batcher.
603rd, according to belt conveyer scale registration, high charge level signal, low level signals, default adjustment factor and discharge coefficient, it is determined that The actual feeding coal percentage of each funnel activating feeder.
Wherein, the default adjustment factor includes total feeding coal, always funnel discharging coefficient, discharging coefficient, the funnel amount of ploughing under Adjustment factor, low material position coefficient, the integrally-regulated coefficient of funnel and belt conveyer scale protection factor, then according to Fx=[SET* (INx*Tx)* Wx*P*B]/(Lx* G) calculate the actual feeding coal percentage of each funnel activating feeder, wherein FxFor x-th funnel activate to The actual feeding coal percentage of material machine, SET is total feeding coal, INxIt is x-th discharging coefficient of funnel, TxIt is x-th funnel The funnel amount of ploughing under adjustment factor, WxIt is x-th low material position coefficient of funnel, P is the integrally-regulated coefficient of funnel, and B is protected for belt conveyer scale Shield coefficient, LxIt is x-th discharge coefficient of funnel activating feeder, G is total discharging coefficient.
When wherein, due to actual job, each parking spot have it is slightly different, therefore plough under every time the coal amount of funnel with The discharging of funnel is also slightly different, therefore to the discharging coefficient IN of each funnelxIt is adjusted, i.e. TxIt is x-th funnel of funnel The amount of ploughing under adjustment factor.In addition, when the trigger signal of x-th high charge level signaling switch of funnel is received, by x-th funnel The funnel amount of ploughing under adjustment factor increaseAnd subtract the funnel amount of the ploughing under adjustment factor of remaining funnel Wherein M is work cycle number, and n is funnel number.Wherein, work cycle number is the overturning number of times of operation.
In addition, when the trigger signal of low level signals switch of x-th funnel is received, by WxIt is entered as 0.
In addition, when monitoring that belt conveyer scale registration is more than preset value with the difference of total feeding coal SET, being ordered using PID The order regulation integrally-regulated FACTOR P of funnel.Wherein, the interval time of regulation is a regulating cycle time, i.e., apart from belt conveyer scale most Time needed for the coal arrival belt conveyer scale that No. 1 remote funnel activating feeder is given.The integrally-regulated coefficient of funnel be for All funnels, all funnels are adjusted simultaneously.
In addition, the belt conveyer scale protection factor B initial values are 1, when monitoring that belt conveyer scale registration is more than default out of range value, B is entered as 0.5;After B is entered as into 0.5, when monitoring that belt conveyer scale registration is less than preset lower limit value, B is entered as 0.9. Wherein, when the default out of range value is set to 8500T/H, when the preset lower limit value is set to 7000T/H, belt conveyer scale registration is monitored More than 8500T/H, then B is entered as 0.5, to reduce the feeding coal percentage of all funnels rapidly, it is to avoid belt conveyer scale excess mistake Stopped by pressure more.After B is entered as into 0.5, when monitoring that belt conveyer scale registration is less than 7000T/H, B is entered as 0.9.The belt Scale protection factor is also directed to all funnels, and all funnels are adjusted simultaneously.
In addition, when monitoring that the belt conveyer scale registration is not changed at the appointed time, showing belt conveyer scale registration failure Alarm.Wherein, the stipulated time can be a regulating cycle time, it is also possible to bigger than the time, for example, 10 seconds, During funnel activating feeder is fed, if monitor that the belt conveyer scale registration was not changed in 10 seconds, show Show that belt conveyer scale registration fault alarm is pointed out, and close all funnel activating feeders.
To be below 4 section compartments with each overturning for the ease of understanding the present invention, have 9 funnels and corresponding funnel Activating feeder is carried out as a example by operation feed, describes the embodiment of the present invention, wherein, the coefficient of description is merely illustrative, can not limit Determine protection scope of the present invention.As shown in fig. 7, according to loaded vehicle on overturning machine platform and the corresponding situation of 9 funnels, ploughing under each leakage The coal amount of bucket is different, and the discharging coefficient of 9 funnels is set into 30 from left to right:100:60:100:60:100:60:100: 30, interval opens No. 9 funnel activating feeders for 20 seconds to No. 1 funnel activating feeder successively, and according to default feeding coal percentage Than being 20% control, 9 funnel activating feeder feeds, wherein first arrival belt of No. 9 feeds of funnel activating feeder Scale, and No. 1 feed of funnel activating feeder is last arrival belt conveyer scale.Afterwards, according toCalculate 9 discharge coefficients of funnel activating feeder, wherein Li+1For i+1 is opened The discharge coefficient of the funnel activating feeder for opening, PiIt is i-th belt conveyer scale registration of the funnel activating feeder of unlatching, Pi+1For The belt conveyer scale registration of the funnel activating feeder that i+1 is opened, H is the default feeding coal percentage, P0It is 0.It is determined that After 9 discharge coefficients of funnel activating feeder, then it is fed according to each discharge coefficient correspondence, and shown according to belt conveyer scale Number, high charge level signal, low level signals, default adjustment factor and discharge coefficient, determine the reality of each funnel activating feeder Feeding coal percentage.It is determined that each funnel activating feeder actual feeding coal percentage while, it is necessary to monitor in real time skin Belt scale registration, high charge level signal and low level signals, for example, work as monitoring that the belt conveyer scale registration does not become at the appointed time During change, the fault alarm prompting of display belt conveyer scale registration, or belt conveyer scale registration ought be monitored with the difference of total feeding coal SET During more than preset value, the integrally-regulated FACTOR P of funnel is adjusted using PID orders, or preset when monitoring that belt conveyer scale registration is more than During out of range value, the belt conveyer scale protection factor B in the default adjustment factor is entered as 0.5;After B is entered as into 0.5, monitoring When being less than preset lower limit value to belt conveyer scale registration, B is entered as 0.9;When receiving x-th high charge level signaling switch of funnel During trigger signal, the x-th funnel amount of ploughing under adjustment factor of funnel is increasedAnd by the funnel amount of ploughing under of remaining funnel Adjustment factor is subtractedWhen the trigger signal of low level signals switch of x-th funnel is received, will be described pre- If the low material position coefficient W in adjustment factorx0 is entered as, that is, stops x-th funnel activating feeder feed.
By the embodiment of the present invention, first avoids emitting bucket and low level signals avoid going out for big material head using high charge level signal It is existing, lift car dumper operation stability;Second is different due to each funnel activating feeder actual conditions, measure the work of each funnel Change the discharge coefficient of batcher, each funnel activating feeder is adjusted more accurate, it is ensured that the coal load quantity of each funnel is substantially It is identical, it is to avoid height material position trigger signal often occur, influence operating efficiency;3rd when height level signals are triggered, and are being protected The feeding coal percentage of each funnel activating feeder is adjusted in the case that the overall feeding coal of card is constant, is adjusted quicker;4th The funnel amount of the ploughing under adjustment factor T of single funnel is adjusted by work cycle numberx, more accurately;5th using PID orders control The overall feeding coal of system, improves operating efficiency;6th avoids belt feeder from overloading using belt conveyer scale protection factor, especially in special coal types In the case of, quickly reduce feeding coal.By above-mentioned measure, solve the problems, such as that operation driver's workload is excessive, improve and turn over Car machine operation stability, improves operating efficiency.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention is not limited to above-mentioned reality The detail in mode is applied, in range of the technology design of the invention, various letters can be carried out to technical scheme Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance In the case of shield, can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to it is various can The combination of energy is no longer separately illustrated.
Additionally, can also be combined between a variety of implementation methods of the invention, as long as it is without prejudice to originally The thought of invention, it should equally be considered as content disclosed in this invention.

Claims (17)

1. a kind of tippler funnel feed control system, it is characterised in that the system includes high charge level signaling switch, low material position Signaling switch and controller,
Wherein, the high charge level signaling switch is vertically arranged in the upper grid of each funnel;
The low level signals switch level is arranged under the bottom rood beam of each funnel at predeterminable range;
The controller includes:
Feed control unit, multiple funnel activating feeders are opened for being spaced the scheduled time successively, and according to default feeding coal Percentage controls the multiple funnel activating feeder feed;
Discharge coefficient determining unit, for the opening sequence according to the multiple funnel activating feeder, belt conveyer scale registration and The default feeding coal percentage, determines the discharge coefficient of each funnel activating feeder, and the discharge coefficient is activated for funnel Feeding coal of the batcher when feeding coal percentage is 1%;
Feeding coal percentage determining unit, for according to belt conveyer scale registration, high charge level signal, low level signals, default regulation system Number and discharge coefficient, determine the actual feeding coal percentage of each funnel activating feeder.
2. tippler funnel feed control system according to claim 1, it is characterised in that the system also includes protection Cover plate, the cover sheet is arranged on the high charge level signaling switch top.
3. tippler funnel feed control system according to claim 1, it is characterised in that the high charge level signaling switch Length with one circulation when coal go up it is highly identical.
4. tippler funnel feed control system according to claim 1, it is characterised in that the discharge coefficient determines single Unit, is additionally operable to basisThe discharge coefficient of each funnel activating feeder is calculated, Wherein Li+1It is the discharge coefficient of the funnel activating feeder that i+1 is opened, PiIt is i-th funnel activating feeder of unlatching Belt conveyer scale registration, Pi+1It is the belt conveyer scale registration of the funnel activating feeder that i+1 is opened, H is the default feeding coal hundred Divide ratio, P0It is 0.
5. tippler funnel feed control system according to claim 1, it is characterised in that the default adjustment factor bag Include total feeding coal, funnel discharging coefficient, always discharging coefficient, the funnel amount of ploughing under adjustment factor, low material position coefficient, funnel are integrally-regulated Coefficient and belt conveyer scale protection factor, the feeding coal percentage determining unit, are additionally operable to according to Fx=[SET* (INx*Tx)*Wx* P*B]/(Lx* G) calculate the actual feeding coal percentage of each funnel activating feeder, wherein FxIt is x-th funnel activation feed The actual feeding coal percentage of machine, SET is total feeding coal, INxIt is x-th discharging coefficient of funnel, TxIt is x-th leakage of funnel The bucket amount of ploughing under adjustment factor, WxIt is x-th low material position coefficient of funnel, P is the integrally-regulated coefficient of funnel, and B is protected for belt conveyer scale Coefficient, LxIt is x-th discharge coefficient of funnel activating feeder, G is total discharging coefficient.
6. tippler funnel feeding control method according to claim 5, it is characterised in that the feeding coal percentage is true Order unit also includes:
First adjustment module, for when the trigger signal of x-th high charge level signaling switch of funnel is received, by x-th leakage The funnel amount of the ploughing under adjustment factor of bucket increasesAnd subtract the funnel amount of the ploughing under adjustment factor of remaining funnelWherein M is work cycle number, and n is funnel number.
7. tippler funnel feed control system according to claim 5, it is characterised in that the low material position coefficient WxJust Initial value is 1, and the feeding coal percentage determining unit also includes:
Second adjustment module, for when the trigger signal of low level signals switch of x-th funnel is received, by WxIt is entered as 0。
8. tippler funnel feed control system according to claim 5, it is characterised in that the feeding coal percentage is true Order unit also includes:
3rd adjustment module, it is sharp for when monitoring that belt conveyer scale registration is more than preset value with the difference of total feeding coal SET The integrally-regulated FACTOR P of funnel is adjusted with PID orders.
9. tippler funnel feeding control method according to claim 5, it is characterised in that the belt conveyer scale protection factor B initial values are 1, and the feeding coal percentage determining unit also includes:
4th adjustment module, for when monitoring that belt conveyer scale registration is more than default out of range value, B being entered as into 0.5;
5th adjustment module, during for after B is entered as into 0.5, monitoring that belt conveyer scale registration is less than preset lower limit value, B is assigned Be worth is 0.9.
10. a kind of tippler funnel feeding control method, it is characterised in that methods described is applied to the claims 1-9 and appoints In tippler funnel feed control system described in one, methods described includes:
The interval scheduled time opens multiple funnel activating feeders successively, and is controlled according to default feeding coal percentage the multiple Funnel activating feeder is fed;
Opening sequence, belt conveyer scale registration and the default feeding coal percentage according to the multiple funnel activating feeder, Determine the discharge coefficient of each funnel activating feeder, the discharge coefficient is in feeding coal percentage for funnel activating feeder Feeding coal when 1%;
According to belt conveyer scale registration, high charge level signal, low level signals, default adjustment factor and discharge coefficient, each funnel is determined The actual feeding coal percentage of activating feeder.
11. tippler funnel feeding control methods according to claim 10, it is characterised in that described according to the multiple The opening sequence of funnel activating feeder, belt conveyer scale registration and the default feeding coal percentage, determine that each funnel is activated The discharge coefficient of batcher includes:
According toThe discharge coefficient of each funnel activating feeder is calculated, wherein Li+1It is the discharge coefficient of the funnel activating feeder that i+1 is opened, PiIt is i-th skin of the funnel activating feeder of unlatching Belt scale registration, Pi+1It is the belt conveyer scale registration of the funnel activating feeder that i+1 is opened, H is the default feeding coal percentage Than P0It is 0.
12. tippler funnel feeding control methods according to claim 10, it is characterised in that the default adjustment factor Including total feeding coal, funnel discharging coefficient, always discharging coefficient, the funnel amount of ploughing under adjustment factor, low material position coefficient, funnel are integrally adjusted Section coefficient and belt conveyer scale protection factor, it is described according to belt conveyer scale registration, high charge level signal, low level signals, default adjustment factor And discharge coefficient, determining the actual feeding coal percentage of each funnel activating feeder includes:
According to Fx=[SET* (INx*Tx)*Wx*P*B]/(Lx* G) calculate the actual feeding coal percentage of each funnel activating feeder Than wherein FxIt is the x-th actual feeding coal percentage of funnel activating feeder, SET is total feeding coal, INxIt is x-th funnel Discharging coefficient, TxIt is the x-th funnel amount of ploughing under adjustment factor of funnel, WxIt is x-th low material position coefficient of funnel, P is funnel Integrally-regulated coefficient, B is belt conveyer scale protection factor, LxIt is x-th discharge coefficient of funnel activating feeder, G is total discharging system Number.
13. tippler funnel feeding control methods according to claim 12, it is characterised in that methods described also includes:
When the trigger signal of x-th high charge level signaling switch of funnel is received, by the x-th funnel amount of ploughing under regulation of funnel Coefficient increasesAnd subtract the funnel amount of the ploughing under adjustment factor of remaining funnelWherein M is followed for operation Number of rings, n is funnel number.
14. tippler funnel feeding control methods according to claim 12, it is characterised in that the low material position coefficient Wx Initial value is 1, and methods described also includes:
When the trigger signal of low level signals switch of x-th funnel is received, by WxIt is entered as 0.
15. tippler funnel feeding control methods according to claim 12, it is characterised in that methods described also includes:
When monitoring that belt conveyer scale registration is more than preset value with the difference of total feeding coal SET, funnel is adjusted using PID orders Integrally-regulated FACTOR P.
16. tippler funnel feeding control methods according to claim 12, it is characterised in that the belt conveyer scale protection system Number B initial values are 1, and methods described also includes:
When monitoring that belt conveyer scale registration is more than default out of range value, B is entered as 0.5;
After B is entered as into 0.5, when monitoring that belt conveyer scale registration is less than preset lower limit value, B is entered as 0.9.
17. tippler funnel feeding control methods according to claim 10, it is characterised in that methods described also includes:
When monitoring that the belt conveyer scale registration is not changed at the appointed time, the fault alarm prompting of display belt conveyer scale registration.
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CN112987803A (en) * 2021-02-02 2021-06-18 桂林鸿程矿山设备制造有限责任公司 Calcium hydroxide feeding and water distribution control system and method and storage medium
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CN107153401A (en) * 2017-06-26 2017-09-12 中交航局安装工程有限公司 A kind of two tipplers are while operation chain control system and its method
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CN114701870A (en) * 2022-02-11 2022-07-05 国能黄骅港务有限责任公司 Tippler feeding system and high material level detection method and device thereof
CN114634007A (en) * 2022-02-11 2022-06-17 国能黄骅港务有限责任公司 Tippler feeding system and low material level detection method and device thereof
CN114634007B (en) * 2022-02-11 2024-03-22 国能黄骅港务有限责任公司 Feeding system of dumper and low material level detection method and device thereof
CN114701870B (en) * 2022-02-11 2024-03-29 国能黄骅港务有限责任公司 Feeding system of dumper and high material level detection method and device thereof

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