CN106865276B - A kind of tippler funnel feed control system and method - Google Patents
A kind of tippler funnel feed control system and method Download PDFInfo
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- CN106865276B CN106865276B CN201710187041.XA CN201710187041A CN106865276B CN 106865276 B CN106865276 B CN 106865276B CN 201710187041 A CN201710187041 A CN 201710187041A CN 106865276 B CN106865276 B CN 106865276B
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000003213 activating effect Effects 0.000 claims abstract description 130
- 239000003245 coal Substances 0.000 claims abstract description 128
- 238000005303 weighing Methods 0.000 claims abstract description 100
- 230000011664 signaling Effects 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims description 32
- 238000012544 monitoring process Methods 0.000 claims description 27
- 230000004224 protection Effects 0.000 claims description 24
- 238000007599 discharging Methods 0.000 claims description 22
- 230000001105 regulatory effect Effects 0.000 claims description 21
- 102000003712 Complement factor B Human genes 0.000 claims description 6
- 108090000056 Complement factor B Proteins 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 6
- 230000004913 activation Effects 0.000 claims description 5
- 230000008901 benefit Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000007306 turnover Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 1
- RVRCFVVLDHTFFA-UHFFFAOYSA-N heptasodium;tungsten;nonatriacontahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[W].[W].[W].[W].[W].[W].[W].[W].[W].[W].[W] RVRCFVVLDHTFFA-UHFFFAOYSA-N 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- 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
- B65G67/00—Loading or unloading vehicles
- B65G67/02—Loading or unloading land vehicles
- B65G67/24—Unloading land vehicles
- B65G67/32—Unloading land vehicles using fixed tipping installations
- B65G67/48—Vehicle tipplers
-
- 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
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/02—Devices for feeding articles or materials to conveyors
- B65G47/16—Devices for feeding articles or materials to conveyors for feeding materials in bulk
- B65G47/18—Arrangements or applications of hoppers or chutes
- B65G47/19—Arrangements 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, solves the problems, such as that operation driver's workload is excessive.System includes high charge level signaling switch, low level signals switch and controller, controller includes: to be fed control unit successively to open multiple funnel activating feeders for being spaced the predetermined time, and control multiple funnel activating feeders according to default feeding coal percentage and be fed；Discharge coefficient determination unit is used to determine the discharge coefficient of each funnel activating feeder according to the opening sequence of multiple funnel activating feeders, weighing belt registration and default feeding coal percentage；Feeding coal percentage determination unit is used to determine the practical feeding coal percentage of each funnel activating feeder according to weighing belt registration, high charge level signal, low level signals, default adjustment factor and discharge coefficient.The embodiment of the present invention is suitable for tippler feeding process.
Description
Technical field
The present invention relates to automatic control technology fields, and in particular, to a kind of tippler funnel feed control system and side
Method.
Background technique
The process flow of PORT OF HUANGHUA three, Phase IV project tippler dumping C80 vehicle is tippler by four section overturning machine platforms
On loaded vehicle dumping into nine equally distributed funnels, then coal is sent to belt by activating feeder.It is logical to operate driver
The feeding coal percent coefficient in operation interface is overregulated, it can be by the feeding control of each batcher in 0-1350T/h.
In operation process, it is each that operation driver must pluck positive hook personnel close supervision by monitoring camera or inquiry
The material position situation of funnel, and the feed coefficient of each funnel is made it is suitably modified, with guarantee in each funnel there are it is appropriate to
Doses causes the workload for operating driver to ramp in this way.If operation driver, which slightly neglects just, will appear empty bucket or Mao Dou
The case where.Sky bucket will appear big material head when overturning, and gently then spread coal, heavy then can press and stop belt.The coal of funnel is excessive when emitting bucket, can be because
Interfere for tippler overturning with coal and damages equipment.
Summary 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 struggling against using high charge level signaling switch and avoiding the appearance of big material head with low level signals switch, it mentions
Car dumper operation stability has been risen, operating efficiency is improved.
To achieve the goals above, 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 pre-determined distance；
The controller includes:
Be fed control unit, successively open multiple funnel activating feeders for being spaced the predetermined time, and according to preset to
Doses percentage controls the multiple funnel activating feeder feed；
Discharge coefficient determination unit, for the opening sequence according to the multiple funnel activating feeder, weighing belt registration
And the default feeding coal percentage, determine that the discharge coefficient of each funnel activating feeder, the discharge coefficient are funnel
Feeding coal of the activating feeder when feeding coal percentage is 1%；
Feeding coal percentage determination unit, for according to weighing belt registration, high charge level signal, low level signals, default tune
Coefficient and discharge coefficient are saved, determines the practical feeding coal percentage of each funnel activating feeder.
Further, the system also includes cover sheet, the cover sheet is arranged in the high charge level signaling switch
Top.
Further, the length of the high charge level signaling switch is identical as the height that coal when a circulation goes up.
Further, the discharge coefficient determination unit, is also used to basis The discharge coefficient of each funnel activating feeder is calculated, wherein Li+1The funnel activation opened for i+1
The discharge coefficient of batcher, PiThe weighing belt registration for the funnel activating feeder opened for i-th, Pi+1It is opened for i+1
The weighing belt registration of funnel activating feeder, H are the default feeding coal percentage, P0It is 0.
Further, the default adjustment factor includes total feeding coal, funnel discharging coefficient, always discharging coefficient, funnel turn over
Enter amount adjustment factor, low material position coefficient, the integrally-regulated coefficient of funnel and weighing belt protection factor, the feeding coal percentage determines
Unit is also used to according to Fx=[SET* (INx*Tx)*Wx*P*B]/(Lx* G) calculate the practical feed of each funnel activating feeder
Percentage is measured, wherein FxFor the practical feeding coal percentage of x-th of funnel activating feeder, SET is total feeding coal, INxFor xth
The discharging coefficient of a funnel, TxFor the funnel amount of the ploughing under adjustment factor of x-th of funnel, WxFor the low material position coefficient of x-th of funnel, P
For the integrally-regulated coefficient of funnel, B is weighing belt protection factor, LxFor the discharge coefficient of x-th of funnel activating feeder, G is total
Discharge coefficient.
Further, the feeding coal percentage determination unit further include: the first adjustment module receives xth for working as
When the trigger signal of the high charge level signaling switch of a funnel, the funnel amount of the ploughing under adjustment factor of x-th of funnel is increased
And the funnel amount of the ploughing under adjustment factor of remaining funnel is subtractedWherein M is that work cycle number, n have been funnel
Number.
Further, the low material position coefficient WxInitial value is 1, the feeding coal percentage determination unit further include: the
Two adjustment modules, for when receive x-th of funnel low level signals switch trigger signal when, by WxIt is assigned a value of 0.
Further, the feeding coal percentage determination unit further include: third adjustment module monitors belt for working as
When scale registration and the difference of total feeding coal SET are greater than preset value, the integrally-regulated FACTOR P of funnel is adjusted using PID order.
Further, the weighing belt protection factor B initial value is 1, the feeding coal percentage determination unit further include:
4th adjustment module, for when monitoring that weighing belt registration is greater than default out of range value, B to be assigned a value of 0.5；
5th adjustment module will when for after B is assigned a value of 0.5, monitoring that weighing belt registration is less than preset lower limit value
B is assigned a value of 0.9.
The embodiment of the present invention also provides a kind of tippler funnel feeding control method, which is characterized in that the method application
In tippler funnel feed control system described above, which comprises
The interval predetermined time successively opens multiple funnel activating feeders, and according to described in the control of default feeding coal percentage
Multiple funnel activating feeder feeds；
According to the opening sequence of the multiple funnel activating feeder, weighing belt registration and the default feeding coal percentage
Than determining that the discharge coefficient of each funnel activating feeder, the discharge coefficient are funnel activating feeder in feeding coal percentage
Feeding coal when than being 1%；
According to weighing belt registration, high charge level signal, low level signals, default adjustment factor and discharge coefficient, determine each
The practical feeding coal percentage of funnel activating feeder.
Further, described according to the opening sequence of the multiple funnel activating feeder, weighing belt registration and described
Default feeding coal percentage, determines that the discharge coefficient of each funnel activating feeder includes:
According toThe discharge coefficient of each funnel activating feeder is calculated,
Wherein Li+1For the discharge coefficient for the funnel activating feeder that i+1 is opened, PiThe funnel activating feeder opened for i-th
Weighing belt registration, Pi+1For the weighing belt registration for 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 turn over
Enter amount adjustment factor, low material position coefficient, the integrally-regulated coefficient of funnel and weighing belt protection factor, it is described according to weighing belt registration,
High charge level signal, low level signals, default adjustment factor and discharge coefficient, determine the practical feed of each funnel activating feeder
Measuring percentage includes:
According to Fx=[SET* (INx*Tx)*Wx*P*B]/(Lx* G) calculate the practical feeding coal of each funnel activating feeder
Percentage, wherein FxFor the practical feeding coal percentage of x-th of funnel activating feeder, SET is total feeding coal, INxIt is x-th
The discharging coefficient of funnel, TxFor the funnel amount of the ploughing under adjustment factor of x-th of funnel, WxFor the low material position coefficient of x-th of funnel, P is
The integrally-regulated coefficient of funnel, B are weighing belt protection factor, LxFor the discharge coefficient of x-th of funnel activating feeder, G is always to go out
Expect coefficient.
Further, the method also includes:
When receiving the trigger signal of high charge level signaling switch of x-th of funnel, by the funnel amount of ploughing under of x-th of funnel
Adjustment factor increasesAnd the funnel amount of the ploughing under adjustment factor of remaining funnel is subtractedWherein M is to have made
Industry recurring number, n are funnel number.
Further, the low material position coefficient WxInitial value is 1, the method also includes:
When the trigger signal that the low level signals for receiving x-th of funnel switch, by WxIt is assigned a value of 0.
Further, the method also includes:
When the difference for monitoring weighing belt registration and total feeding coal SET is greater than preset value, adjusted using PID order
The integrally-regulated FACTOR P of funnel.
Further, the weighing belt protection factor B initial value is 1, the method also includes:
When monitoring that weighing belt registration is greater than default out of range value, B is assigned a value of 0.5；
After B is assigned a value of 0.5, when monitoring that weighing belt registration is less than preset lower limit value, B is assigned a value of 0.9.
Further, the method also includes:
When monitoring that the weighing belt registration does not change at the appointed time, display weighing belt registration fault alarm is mentioned
Show.
Through the above technical solutions, using high and low level signals monitoring switch tippler funnel activating feeder carry out to
Material avoids the appearance for emitting bucket and big material head, while according to weighing belt registration, high charge level signal, low level signals, default adjusting
Coefficient and discharge coefficient determine the practical feeding coal percentage of each funnel activating feeder, to single funnel activating feeder
Adjusting it is more accurate, improve operating efficiency.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment 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 symbols
1 funnel of operation loaded vehicle 29
3 No. 9 funnel activating feeders, 4 No. 1 funnels
5 No. 16 weighing belts of funnel activating feeder
7 belt, 8 tippler ground
The low level signals switch of 9 high charge level signaling switch 10
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The embodiment of the present invention provides a kind of tippler funnel feed control system, as shown in Figure 1, the system comprises height to expect
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 pre-determined distance；
The controller 13 includes:
It is fed control unit 131, successively opens multiple funnel activating feeders for being spaced the predetermined time, and according to default
Feeding coal percentage controls the multiple funnel activating feeder feed；
Discharge coefficient determination unit 132, for being shown according to opening sequence, the weighing belt of the multiple funnel activating feeder
The several and described default feeding coal percentage determines that the discharge coefficient of each funnel activating feeder, the discharge coefficient are leakage
Struggle against feeding coal of the activating feeder when feeding coal percentage is 1%；
Feeding coal percentage determination unit 133 is used for according to weighing belt registration, high charge level signal, low level signals, presets
Adjustment factor and discharge coefficient determine the practical feeding coal percentage of each funnel activating feeder.
The embodiment of the present invention is by being respectively set high charge level signaling switch and low level signals on the top of funnel and bottom
Switch carries out control feed, and the weighing belt registration by getting, high material to each funnel activating feeder in conjunction with controller
Position signal and low level signals, the practical feed of each funnel activating feeder is determined using default adjustment factor and discharge coefficient
Percentage is measured, 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
The length of number switch is identical as the height of coal rise when a circulation, such as 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 is pacified on high charge level signaling switch top
Mobilizable cover sheet is filled, the cover sheet can be ridged cover board or the cover board of other shapes, as long as can be avoided
Ploughed under when overturning coal stream in funnel by switching damage can, can also facilitate and switch is repaired.
In addition, the low level signals switch is provided at pre-determined distance under the bottom rood beam of each funnel, ten
It, can be to avoid the direct impact of coal stream when overturning under the protection of word beam.Wherein, the pre-determined distance is most 10cm, can be with
Less than 10cm, as long as guaranteeing there is part to deposit coal in funnel, in addition, the low level signals switch can be dipped down with level
It tiltedly at least 30 °, is inserted into coal convenient for the low level signals switch, it is described low after coal is flowed out by funnel activating feeder
Level signals switch exposes from coal, then triggers the low level signals switch.
In addition, after installing the high charge level signaling switch and low level signals switch, due to the difference of coal, coal
Humidity etc. characteristic is not quite similar, and the coal of different-thickness can be stained in the detection bar of level switch, in order to avoid no signal shadow
Overturning efficiency is rung, also wants split and puts line sensitivity adjusting into.
Wherein, the controller is PLC (Programmable Logic Controller, programmable logic controller (PLC)).
Further, the discharge coefficient determination unit 132, is also used to basis The discharge coefficient of each funnel activating feeder is calculated, wherein Li+1The funnel activation opened for i+1
The discharge coefficient of batcher, PiThe weighing belt registration for the funnel activating feeder opened for i-th, Pi+1It is opened for i+1
The weighing belt registration of funnel activating feeder, H are the default feeding coal percentage, P0It is 0.
Further, the default adjustment factor includes total feeding coal, funnel discharging coefficient, always discharging coefficient, funnel turn over
Enter amount adjustment factor, low material position coefficient, the integrally-regulated coefficient of funnel and weighing belt protection factor, the feeding coal percentage determines
Unit 133, is also used to according to Fx=[SET* (INx*Tx)*Wx*P*B]/(Lx* G) calculate the reality of each funnel activating feeder
Feeding coal percentage, wherein FxFor the practical feeding coal percentage of x-th of funnel activating feeder, SET is total feeding coal, INxFor
The discharging coefficient of x-th of funnel, TxFor the funnel amount of the ploughing under adjustment factor of x-th of funnel, WxFor the low material position system of x-th of funnel
Number, P are the integrally-regulated coefficient of funnel, and B is weighing belt protection factor, LxFor the discharge coefficient of x-th of funnel activating feeder, G
For the coefficient that always discharges.
Further, as shown in Fig. 2, the feeding coal percentage determination unit 133 further include:
First adjustment module 21, for when receiving the trigger signal of high charge level signaling switch of x-th of funnel, by
The funnel amount of the ploughing under adjustment factor of x funnel increasesAnd the funnel amount of the ploughing under adjustment factor of remaining funnel is subtractedWherein M is that work cycle number, n have been funnel number.
Further, as shown in figure 3, the low material position coefficient WxInitial value is 1, the feeding coal percentage determination unit
133 further include:
Second adjustment module 31, for when receive x-th of funnel low level signals switch trigger signal when, by Wx
It is assigned a value of 0.
Further, as shown in figure 4, the feeding coal percentage determination unit 133 further include:
Third adjustment module 41, for being preset when the difference for monitoring weighing belt registration and total feeding coal SET is greater than
When value, the integrally-regulated FACTOR P of funnel is adjusted using PID order.
Further, as shown in figure 5, the weighing belt protection factor B initial value is 1, the feeding coal percentage is determined
Unit further include:
4th adjustment module 51, for when monitoring that weighing belt registration is greater than default out of range value, B to be assigned a value of 0.5；
5th adjustment module 52, when for after B is assigned a value of 0.5, monitoring that weighing belt registration is less than preset lower limit value,
B is assigned a value of 0.9.
The tippler funnel feed control system provided through the embodiment of the present invention, sets respectively on the top of funnel and bottom
High charge level signaling switch and low level signals switch are set, control feed is carried out to each funnel activating feeder in conjunction with controller,
And weighing belt registration, high charge level signal and low level signals by getting, it is true using default adjustment factor and discharge coefficient
The practical feeding coal percentage of fixed each funnel activating feeder solves the problems, such as that operation driver's workload is excessive, while benefit
It avoids emitting bucket with high charge level signaling switch and low level signals switch avoids the appearance of big material head, improve car dumper operation and stablize
Property, improve operating efficiency.
Correspondingly, the embodiment of the present invention also provides a kind of tippler funnel feeding control method, and the method is applied to upper
It states in tippler funnel feed control system described in embodiment, as shown in Figure 6, which comprises
601, the interval predetermined time successively opens multiple funnel activating feeders, and controls according to default feeding coal percentage
The multiple funnel activating feeder feed.
Wherein, the setting of the predetermined time is related with the sequence of funnel activating feeder is opened, 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 weighing belt, institute
As long as the setting for stating the predetermined time guarantees the coal that previous funnel activating feeder provides, opened in the latter funnel activating feeder
Weighing belt is reached before opening.Wherein, the default feeding coal percentage can be set as 20%, this value can voluntarily be set by operating driver
It sets.
602, according to the opening sequence of the multiple funnel activating feeder, weighing belt registration and the default feeding coal
Percentage determines that the discharge coefficient of each funnel activating feeder, the discharge coefficient are 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+1For the discharge coefficient for the funnel activating feeder that i+1 is opened, PiThe funnel activating feeder opened for i-th
Weighing belt registration, Pi+1For the weighing belt registration for 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 open funnel activating feeder be No. 9 funnel activating feeders when, No. 9
When the coal that funnel activating feeder provides reaches weighing belt, obtained weighing belt registration is P1, thenIt obtains just
It is the discharge coefficient of No. 9 funnel activating feeders of first unlatching, when the funnel activating feeder that second is opened is No. 8 leakages
It is available at a distance from weighing belt according to weighing belt speed and No. 8 funnel activating feeders when bucket activating feeder, No. 8 leakages
The coal that provides of bucket activating feeder reaches the time of weighing belt, then according to available No. 8 funnels of the time weighing belt activate to
The total amount for the coal that material machine and No. 9 funnel activating feeders provide, works as P2-P1Obtain afterwards be No. 8 funnel activating feeders to
Doses, thenWhat is obtained is exactly the discharge coefficient of No. 8 funnel activating feeders of second unlatching, and subsequent funnel is living
The rest may be inferred for the discharge coefficient of change batcher.
603, it according to weighing belt registration, high charge level signal, low level signals, default adjustment factor and discharge coefficient, determines
The practical feeding coal percentage of each funnel activating feeder.
Wherein, the default adjustment factor includes total feeding coal, funnel discharging coefficient, always discharge coefficient, the funnel amount of ploughing under
Adjustment factor, low material position coefficient, the integrally-regulated coefficient of funnel and weighing belt protection factor, then according to Fx=[SET* (INx*Tx)*
Wx*P*B]/(Lx* G) the practical feeding coal percentage of each funnel activating feeder is calculated, wherein FxFor x-th of funnel activate to
The practical feeding coal percentage of material machine, SET are total feeding coal, INxFor the discharging coefficient of x-th of funnel, TxFor x-th funnel
The funnel amount of ploughing under adjustment factor, WxFor the low material position coefficient of x-th of funnel, P is the integrally-regulated coefficient of funnel, and B is weighing belt guarantor
Protect coefficient, LxFor the discharge coefficient of x-th of funnel activating feeder, G is total discharging coefficient.
When wherein, due to actual job, each parking position 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. TxFor the funnel of x-th of funnel
The amount of ploughing under adjustment factor.In addition, when receiving the trigger signal of high charge level signaling switch of x-th of funnel, by x-th of funnel
The funnel amount of ploughing under adjustment factor increaseAnd the funnel amount of the ploughing under adjustment factor of remaining funnel is subtracted
Wherein M is that work cycle number, n have been funnel number.Wherein, the overturning number of work cycle number as operation.
In addition, when the trigger signal that the low level signals for receiving x-th of funnel switch, by WxIt is assigned a value of 0.
In addition, being ordered when the difference for monitoring weighing belt registration and total feeding coal SET is greater than preset value using PID
It enables and adjusts the integrally-regulated FACTOR P of funnel.Wherein, the interval time of adjusting is a regulating cycle time, i.e., most apart from weighing belt
Time needed for the coal that No. 1 remote funnel activating feeder provides reaches weighing belt.The integrally-regulated coefficient of funnel be for
All funnels, all funnels are adjusted simultaneously.
In addition, the weighing belt protection factor B initial value is 1, when monitoring that weighing belt registration is greater than default out of range value,
B is assigned a value of 0.5；After B is assigned a value of 0.5, when monitoring that weighing belt registration is less than preset lower limit value, B is assigned a value of 0.9.
Wherein, when the default out of range value is set as 8500T/H, when the preset lower limit value is set as 7000T/H, weighing belt registration is monitored
Greater than 8500T/H, then B is assigned a value of 0.5, to be reduced rapidly the feeding coal percentage of all funnels, avoids weighing belt excess mistake
Mostly stopped by pressure.After B is assigned a value of 0.5, when monitoring that weighing belt registration is less than 7000T/H, B is assigned a value of 0.9.The belt
Scale protection factor is also for all funnels, and all funnels are adjusted simultaneously.
In addition, showing weighing belt registration failure when monitoring that the weighing belt registration does not change at the appointed time
Warning note.Wherein, the stipulated time can be a regulating cycle time, can also be bigger than the time, for example, 10 seconds,
During funnel activating feeder is fed, if monitor that the weighing belt registration does not change in 10 seconds, show
Show that weighing belt registration fault alarm prompts, and closes all funnel activating feeders.
To facilitate the understanding of the present invention, it will be overturned below with each for 4 section compartments, and share 9 funnels and corresponding funnel
For activating feeder carries out operation feed, the embodiment of the present invention is described, wherein the coefficient of description is merely illustrative, can not limit
Determine protection scope of the present invention.As shown in fig. 7, ploughing under each leakage according to the correspondence situation of loaded vehicle on overturning machine platform and 9 funnels
The coal amount of bucket is different, and the discharging coefficient of 9 funnels is set as 30:100:60:100:60:100:60:100 from left to right:
30, interval successively opens No. 9 funnel activating feeders for 20 seconds to No. 1 funnel activating feeder, and according to default feeding coal percentage
Than being fed for 20% 9 funnel activating feeders of control, wherein first arrival belt of the feed of No. 9 funnel activating feeders
Scale, and the feed of No. 1 funnel activating feeder is that the last one reaches weighing belt.Later, according toThe discharge coefficient of 9 funnel activating feeders is calculated, wherein Li+1It is opened for i+1
The discharge coefficient of the funnel activating feeder opened, PiThe weighing belt registration for the funnel activating feeder opened for i-th, Pi+1For
The weighing belt registration for the funnel activating feeder that i+1 is opened, H are the default feeding coal percentage, P0It is 0.In determination
After the discharge coefficient of 9 funnel activating feeders, then it is fed according to each discharge coefficient is corresponding, and shown according to weighing belt
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.While determining the practical feeding coal percentage of each funnel activating feeder, need to monitor skin in real time
Belt scale registration, high charge level signal and low level signals, for example, when monitoring that the weighing belt registration does not become at the appointed time
When change, display weighing belt registration fault alarm prompt, or when the difference for monitoring weighing belt registration Yu total feeding coal SET
When greater than preset value, the integrally-regulated FACTOR P of funnel is adjusted using PID order, or preset when monitoring that weighing belt registration is greater than
When out of range value, the weighing belt protection factor B in the default adjustment factor is assigned a value of 0.5；After B is assigned a value of 0.5, monitoring
When being less than preset lower limit value to weighing belt registration, B is assigned a value of 0.9；When the high charge level signaling switch for receiving x-th of funnel
When trigger signal, the funnel amount of the ploughing under adjustment factor of x-th of funnel is increasedAnd by the funnel amount of ploughing under of remaining funnel
Adjustment factor subtractsIt, will be described pre- when the trigger signal that the low level signals for receiving x-th of funnel switch
If the low material position coefficient W in adjustment factorxIt is assigned a value of 0, that is, stops x-th of funnel activating feeder feed.
Through the embodiment of the present invention, first avoid emitting bucket using high charge level signal and low level signals avoid going out for big material head
It is existing, promote car dumper operation stability；Second, since each funnel activating feeder actual conditions are different, it is living to measure each funnel
The discharge coefficient for changing batcher is adjusted more accurately each funnel activating feeder, guarantees the coal load quantity of each funnel substantially
It is identical, it avoids height material position trigger signal often occur, influences operating efficiency；Third is being protected when triggering height level signals
The feeding coal percentage that 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 is controlled using PID order
Overall feeding coal is made, operating efficiency is improved；6th avoids belt feeder from overloading using weighing belt protection factor, especially in special coal types
In the case where, quickly reduce feeding coal.By above-mentioned measure, solves the problems, such as that operation driver's workload is excessive, improve and turn over
Vehicle device operation stability, improves operating efficiency.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (17)
1. a kind of tippler funnel feed control system, which is characterized in that the system comprises high charge level signaling switches, 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 pre-determined distance；
The controller includes:
It is fed control unit, successively opens multiple funnel activating feeders for being spaced the predetermined time, and according to default feeding coal
Percentage controls the multiple funnel activating feeder feed；
Discharge coefficient determination unit, for according to the opening sequence of the multiple funnel activating feeder, weighing belt registration and
The default feeding coal percentage determines that the discharge coefficient of each funnel activating feeder, the discharge coefficient are funnel activation
Feeding coal of the batcher when feeding coal percentage is 1%；
Feeding coal percentage determination unit, for being according to weighing belt registration, high charge level signal, low level signals, default adjust
Several and discharge coefficient, determines the practical feeding coal percentage of each funnel activating feeder.
2. tippler funnel feed control system according to claim 1, which is characterized in that the system also includes protections
Cover board, the cover sheet are arranged on high charge level signaling switch top.
3. tippler funnel feed control system according to claim 1, which is characterized in that the high charge level signaling switch
Length with one circulation when coal go up height it is identical.
4. tippler funnel feed control system according to claim 1, which is characterized in that the discharge coefficient determines single
Member is also used to basisThe discharge coefficient of each funnel activating feeder is calculated,
Wherein Li+1For the discharge coefficient for the funnel activating feeder that i+1 is opened, PiThe funnel activating feeder opened for i-th
Weighing belt registration, Pi+1For the weighing belt registration for 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, which is characterized in that the default adjustment factor packet
It is integrally-regulated to include total feeding coal, funnel discharging coefficient, the coefficient that always discharges, the funnel amount of ploughing under adjustment factor, low material position coefficient, funnel
Coefficient and weighing belt protection factor, the feeding coal percentage determination unit, are also used to according to Fx=[SET* (INx*Tx)*Wx*
P*B]/(Lx* G) the practical feeding coal percentage of each funnel activating feeder is calculated, wherein FxFor x-th of funnel activation feed
The practical feeding coal percentage of machine, SET are total feeding coal, INxFor the discharging coefficient of x-th of funnel, TxFor the leakage of x-th of funnel
Struggle against the amount of ploughing under adjustment factor, WxFor the low material position coefficient of x-th of funnel, P is the integrally-regulated coefficient of funnel, and B is weighing belt protection
Coefficient, LxFor the discharge coefficient of x-th of funnel activating feeder, G is total discharging coefficient.
6. tippler funnel feed control system according to claim 5, which is characterized in that the feeding coal percentage is true
Order member further include:
First adjustment module, for when receiving the trigger signal of high charge level signaling switch of x-th of funnel, x-th to be leaked
The funnel amount of the ploughing under adjustment factor of bucket increasesAnd the funnel amount of the ploughing under adjustment factor of remaining funnel is subtractedWherein M is that work cycle number, n have been funnel number.
7. tippler funnel feed control system according to claim 5, which is characterized in that the low material position coefficient WxJust
Initial value is 1, the feeding coal percentage determination unit further include:
Second adjustment module, for when receive x-th of funnel low level signals switch trigger signal when, by WxIt is assigned a value of
0。
8. tippler funnel feed control system according to claim 5, which is characterized in that the feeding coal percentage is true
Order member further include:
Third adjustment module, for when the difference for monitoring weighing belt registration and total feeding coal SET is greater than preset value, benefit
The integrally-regulated FACTOR P of funnel is adjusted with PID order.
9. tippler funnel feed control system according to claim 5, which is characterized in that the weighing belt protection factor
B initial value is 1, the feeding coal percentage determination unit further include:
4th adjustment module, for when monitoring that weighing belt registration is greater than default out of range value, B to be assigned a value of 0.5；
5th adjustment module assigns B when for after B is assigned a value of 0.5, monitoring that weighing belt registration is less than preset lower limit value
Value is 0.9.
10. a kind of tippler funnel feeding control method, which is characterized in that the method is appointed applied to the claims 1-9
In tippler funnel feed control system described in one, which comprises
The interval predetermined time successively opens multiple funnel activating feeders, and the multiple according to the control of default feeding coal percentage
Funnel activating feeder feed；
According to the opening sequence of the multiple funnel activating feeder, weighing belt registration and the default feeding coal percentage,
Determine the discharge coefficient of each funnel activating feeder, the discharge coefficient is that funnel activating feeder is in feeding coal percentage
Feeding coal when 1%；
According to weighing belt registration, high charge level signal, low level signals, default adjustment factor and discharge coefficient, each funnel is determined
The practical feeding coal percentage of activating feeder.
11. tippler funnel feeding control method according to claim 10, which is characterized in that described according to the multiple
Opening sequence, weighing belt registration and the default feeding coal percentage of funnel activating feeder determine each funnel activation
The discharge coefficient of batcher includes:
According toThe discharge coefficient of each funnel activating feeder is calculated, wherein
Li+1For the discharge coefficient for the funnel activating feeder that i+1 is opened, PiThe skin for the funnel activating feeder opened for i-th
Belt scale registration, Pi+1For the weighing belt registration for 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 method according to claim 10, which is characterized 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
Coefficient and weighing belt protection factor are saved, it is described according to weighing belt registration, high charge level signal, low level signals, default adjustment factor
And discharge coefficient, determine that the practical feeding coal percentage of each funnel activating feeder includes:
According to Fx=[SET* (INx*Tx)*Wx*P*B]/(Lx* G) calculate the practical feeding coal percentage of each funnel activating feeder
Than wherein FxFor the practical feeding coal percentage of x-th of funnel activating feeder, SET is total feeding coal, INxFor x-th of funnel
Discharging coefficient, TxFor the funnel amount of the ploughing under adjustment factor of x-th of funnel, WxFor the low material position coefficient of x-th of funnel, P is funnel
Integrally-regulated coefficient, B are weighing belt protection factor, LxFor the discharge coefficient of x-th of funnel activating feeder, G is total discharging system
Number.
13. tippler funnel feeding control method according to claim 12, which is characterized in that the method also includes:
When receiving the trigger signal of high charge level signaling switch of x-th of funnel, the funnel amount of ploughing under of x-th of funnel is adjusted
Coefficient increasesAnd the funnel amount of the ploughing under adjustment factor of remaining funnel is subtractedWherein M is that operation follows
Number of rings, n are funnel number.
14. tippler funnel feeding control method according to claim 12, which is characterized in that the low material position coefficient Wx
Initial value is 1, the method also includes:
When the trigger signal that the low level signals for receiving x-th of funnel switch, by WxIt is assigned a value of 0.
15. tippler funnel feeding control method according to claim 12, which is characterized in that the method also includes:
When the difference for monitoring weighing belt registration and total feeding coal SET is greater than preset value, funnel is adjusted using PID order
Integrally-regulated FACTOR P.
16. tippler funnel feeding control method according to claim 12, which is characterized in that weighing belt protection system
Number B initial value is 1, the method also includes:
When monitoring that weighing belt registration is greater than default out of range value, B is assigned a value of 0.5；
After B is assigned a value of 0.5, when monitoring that weighing belt registration is less than preset lower limit value, B is assigned a value of 0.9.
17. tippler funnel feeding control method according to claim 10, which is characterized in that the method also includes:
When monitoring that the weighing belt registration does not change at the appointed time, display weighing belt registration fault alarm prompt.
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| CN107153401B (en) * | 2017-06-26 | 2021-05-14 | 中交一航局安装工程有限公司 | Control system and method for simultaneous operation linkage of two car dumpers |
| BR102017020555B1 (en) * | 2017-09-26 | 2020-01-07 | Vale S/A | CONTROL SYSTEM AND CONTROL METHOD FOR WAGON TURNERS |
| CN109827622B (en) * | 2017-11-23 | 2021-07-20 | 中冶长天国际工程有限责任公司 | Activated carbon flue gas purification system and discharge flow measuring method of roller feeder thereof |
| CN109821344A (en) * | 2017-11-23 | 2019-05-31 | 中冶长天国际工程有限责任公司 | Active carbon flue gas purification system, roll feeder discharge flow measurement method |
| CN108016899A (en) * | 2017-11-30 | 2018-05-11 | 上海岫峤机电工程有限公司 | A kind of overturning stability of flow control method |
| CN112987803B (en) * | 2021-02-02 | 2023-01-06 | 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 |
| CN114476580A (en) * | 2021-11-29 | 2022-05-13 | 冶金自动化研究设计院 | Control method for full-automatic feeding of car dumper |
| 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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| JPS5574923A (en) * | 1978-12-01 | 1980-06-05 | Ishikawajima Harima Heavy Ind Co Ltd | Automatic remote operation method of reclaimer |
| CN202670777U (en) * | 2012-07-26 | 2013-01-16 | 中国神华能源股份有限公司 | Material position balance control system |
| CN202670778U (en) * | 2012-07-26 | 2013-01-16 | 中国神华能源股份有限公司 | Silo-based coal blending control system |
| CN202864488U (en) * | 2012-10-31 | 2013-04-10 | 中国神华能源股份有限公司 | Discharging system |
| CN104192530A (en) * | 2014-08-22 | 2014-12-10 | 中国神华能源股份有限公司 | Silo unloading monitoring management system and method |
| CN105523368B (en) * | 2015-12-31 | 2018-05-08 | 中国神华能源股份有限公司 | A kind of full-automatic feeding method of tippler and system |
| CN205352528U (en) * | 2016-01-14 | 2016-06-29 | 秦皇岛班驰输送技术有限公司 | Heavy control system of batch weigher through traffic monitoring |
| CN105947608A (en) * | 2016-07-19 | 2016-09-21 | 鹤壁市煤化机械有限责任公司 | Drum-type sealing gate which has rotating amount adjustment function and is used for activation feeder |
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Address after: 100011 Shenhua building, 22 West Binhe Road, Dongcheng District, Beijing Patentee after: China Shenhua Energy Co.,Ltd. Patentee after: Guoneng Huanghua Port Co.,Ltd. Address before: 100011 Shenhua building, 22 West Binhe Road, Dongcheng District, Beijing Patentee before: China Shenhua Energy Co.,Ltd. Patentee before: SHENHUA HUANGHUA PORT Co.,Ltd. |
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